1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved. 24 * Copyright 2014 Nexenta Systems, Inc. All rights reserved. 25 * Copyright (c) 2014, Joyent, Inc. All rights reserved. 26 * Copyright 2014 OmniTI Computer Consulting, Inc. All rights reserved. 27 * Copyright (c) 2014, Tegile Systems Inc. All rights reserved. 28 */ 29 30 /* 31 * Copyright (c) 2000 to 2010, LSI Corporation. 32 * All rights reserved. 33 * 34 * Redistribution and use in source and binary forms of all code within 35 * this file that is exclusively owned by LSI, with or without 36 * modification, is permitted provided that, in addition to the CDDL 1.0 37 * License requirements, the following conditions are met: 38 * 39 * Neither the name of the author nor the names of its contributors may be 40 * used to endorse or promote products derived from this software without 41 * specific prior written permission. 42 * 43 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 44 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 45 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 46 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 47 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 48 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 49 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 50 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 51 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 52 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 53 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH 54 * DAMAGE. 55 */ 56 57 /* 58 * mptsas - This is a driver based on LSI Logic's MPT2.0/2.5 interface. 59 * 60 */ 61 62 #if defined(lint) || defined(DEBUG) 63 #define MPTSAS_DEBUG 64 #endif 65 66 /* 67 * standard header files. 68 */ 69 #include <sys/note.h> 70 #include <sys/scsi/scsi.h> 71 #include <sys/pci.h> 72 #include <sys/file.h> 73 #include <sys/policy.h> 74 #include <sys/model.h> 75 #include <sys/sysevent.h> 76 #include <sys/sysevent/eventdefs.h> 77 #include <sys/sysevent/dr.h> 78 #include <sys/sata/sata_defs.h> 79 #include <sys/scsi/generic/sas.h> 80 #include <sys/scsi/impl/scsi_sas.h> 81 82 #pragma pack(1) 83 #include <sys/scsi/adapters/mpt_sas/mpi/mpi2_type.h> 84 #include <sys/scsi/adapters/mpt_sas/mpi/mpi2.h> 85 #include <sys/scsi/adapters/mpt_sas/mpi/mpi2_cnfg.h> 86 #include <sys/scsi/adapters/mpt_sas/mpi/mpi2_init.h> 87 #include <sys/scsi/adapters/mpt_sas/mpi/mpi2_ioc.h> 88 #include <sys/scsi/adapters/mpt_sas/mpi/mpi2_sas.h> 89 #include <sys/scsi/adapters/mpt_sas/mpi/mpi2_tool.h> 90 #include <sys/scsi/adapters/mpt_sas/mpi/mpi2_raid.h> 91 #pragma pack() 92 93 /* 94 * private header files. 95 * 96 */ 97 #include <sys/scsi/impl/scsi_reset_notify.h> 98 #include <sys/scsi/adapters/mpt_sas/mptsas_var.h> 99 #include <sys/scsi/adapters/mpt_sas/mptsas_ioctl.h> 100 #include <sys/scsi/adapters/mpt_sas/mptsas_smhba.h> 101 #include <sys/scsi/adapters/mpt_sas/mptsas_hash.h> 102 #include <sys/raidioctl.h> 103 104 #include <sys/fs/dv_node.h> /* devfs_clean */ 105 106 /* 107 * FMA header files 108 */ 109 #include <sys/ddifm.h> 110 #include <sys/fm/protocol.h> 111 #include <sys/fm/util.h> 112 #include <sys/fm/io/ddi.h> 113 114 /* 115 * autoconfiguration data and routines. 116 */ 117 static int mptsas_attach(dev_info_t *dip, ddi_attach_cmd_t cmd); 118 static int mptsas_detach(dev_info_t *devi, ddi_detach_cmd_t cmd); 119 static int mptsas_power(dev_info_t *dip, int component, int level); 120 121 /* 122 * cb_ops function 123 */ 124 static int mptsas_ioctl(dev_t dev, int cmd, intptr_t data, int mode, 125 cred_t *credp, int *rval); 126 #ifdef __sparc 127 static int mptsas_reset(dev_info_t *devi, ddi_reset_cmd_t cmd); 128 #else /* __sparc */ 129 static int mptsas_quiesce(dev_info_t *devi); 130 #endif /* __sparc */ 131 132 /* 133 * Resource initilaization for hardware 134 */ 135 static void mptsas_setup_cmd_reg(mptsas_t *mpt); 136 static void mptsas_disable_bus_master(mptsas_t *mpt); 137 static void mptsas_hba_fini(mptsas_t *mpt); 138 static void mptsas_cfg_fini(mptsas_t *mptsas_blkp); 139 static int mptsas_hba_setup(mptsas_t *mpt); 140 static void mptsas_hba_teardown(mptsas_t *mpt); 141 static int mptsas_config_space_init(mptsas_t *mpt); 142 static void mptsas_config_space_fini(mptsas_t *mpt); 143 static void mptsas_iport_register(mptsas_t *mpt); 144 static int mptsas_smp_setup(mptsas_t *mpt); 145 static void mptsas_smp_teardown(mptsas_t *mpt); 146 static int mptsas_cache_create(mptsas_t *mpt); 147 static void mptsas_cache_destroy(mptsas_t *mpt); 148 static int mptsas_alloc_request_frames(mptsas_t *mpt); 149 static int mptsas_alloc_sense_bufs(mptsas_t *mpt); 150 static int mptsas_alloc_reply_frames(mptsas_t *mpt); 151 static int mptsas_alloc_free_queue(mptsas_t *mpt); 152 static int mptsas_alloc_post_queue(mptsas_t *mpt); 153 static void mptsas_alloc_reply_args(mptsas_t *mpt); 154 static int mptsas_alloc_extra_sgl_frame(mptsas_t *mpt, mptsas_cmd_t *cmd); 155 static void mptsas_free_extra_sgl_frame(mptsas_t *mpt, mptsas_cmd_t *cmd); 156 static int mptsas_init_chip(mptsas_t *mpt, int first_time); 157 158 /* 159 * SCSA function prototypes 160 */ 161 static int mptsas_scsi_start(struct scsi_address *ap, struct scsi_pkt *pkt); 162 static int mptsas_scsi_reset(struct scsi_address *ap, int level); 163 static int mptsas_scsi_abort(struct scsi_address *ap, struct scsi_pkt *pkt); 164 static int mptsas_scsi_getcap(struct scsi_address *ap, char *cap, int tgtonly); 165 static int mptsas_scsi_setcap(struct scsi_address *ap, char *cap, int value, 166 int tgtonly); 167 static void mptsas_scsi_dmafree(struct scsi_address *ap, struct scsi_pkt *pkt); 168 static struct scsi_pkt *mptsas_scsi_init_pkt(struct scsi_address *ap, 169 struct scsi_pkt *pkt, struct buf *bp, int cmdlen, int statuslen, 170 int tgtlen, int flags, int (*callback)(), caddr_t arg); 171 static void mptsas_scsi_sync_pkt(struct scsi_address *ap, struct scsi_pkt *pkt); 172 static void mptsas_scsi_destroy_pkt(struct scsi_address *ap, 173 struct scsi_pkt *pkt); 174 static int mptsas_scsi_tgt_init(dev_info_t *hba_dip, dev_info_t *tgt_dip, 175 scsi_hba_tran_t *hba_tran, struct scsi_device *sd); 176 static void mptsas_scsi_tgt_free(dev_info_t *hba_dip, dev_info_t *tgt_dip, 177 scsi_hba_tran_t *hba_tran, struct scsi_device *sd); 178 static int mptsas_scsi_reset_notify(struct scsi_address *ap, int flag, 179 void (*callback)(caddr_t), caddr_t arg); 180 static int mptsas_get_name(struct scsi_device *sd, char *name, int len); 181 static int mptsas_get_bus_addr(struct scsi_device *sd, char *name, int len); 182 static int mptsas_scsi_quiesce(dev_info_t *dip); 183 static int mptsas_scsi_unquiesce(dev_info_t *dip); 184 static int mptsas_bus_config(dev_info_t *pdip, uint_t flags, 185 ddi_bus_config_op_t op, void *arg, dev_info_t **childp); 186 187 /* 188 * SMP functions 189 */ 190 static int mptsas_smp_start(struct smp_pkt *smp_pkt); 191 192 /* 193 * internal function prototypes. 194 */ 195 static void mptsas_list_add(mptsas_t *mpt); 196 static void mptsas_list_del(mptsas_t *mpt); 197 198 static int mptsas_quiesce_bus(mptsas_t *mpt); 199 static int mptsas_unquiesce_bus(mptsas_t *mpt); 200 201 static int mptsas_alloc_handshake_msg(mptsas_t *mpt, size_t alloc_size); 202 static void mptsas_free_handshake_msg(mptsas_t *mpt); 203 204 static void mptsas_ncmds_checkdrain(void *arg); 205 206 static int mptsas_prepare_pkt(mptsas_cmd_t *cmd); 207 static int mptsas_accept_pkt(mptsas_t *mpt, mptsas_cmd_t *sp); 208 static int mptsas_accept_txwq_and_pkt(mptsas_t *mpt, mptsas_cmd_t *sp); 209 static void mptsas_accept_tx_waitq(mptsas_t *mpt); 210 211 static int mptsas_do_detach(dev_info_t *dev); 212 static int mptsas_do_scsi_reset(mptsas_t *mpt, uint16_t devhdl); 213 static int mptsas_do_scsi_abort(mptsas_t *mpt, int target, int lun, 214 struct scsi_pkt *pkt); 215 static int mptsas_scsi_capchk(char *cap, int tgtonly, int *cidxp); 216 217 static void mptsas_handle_qfull(mptsas_t *mpt, mptsas_cmd_t *cmd); 218 static void mptsas_handle_event(void *args); 219 static int mptsas_handle_event_sync(void *args); 220 static void mptsas_handle_dr(void *args); 221 static void mptsas_handle_topo_change(mptsas_topo_change_list_t *topo_node, 222 dev_info_t *pdip); 223 224 static void mptsas_restart_cmd(void *); 225 226 static void mptsas_flush_hba(mptsas_t *mpt); 227 static void mptsas_flush_target(mptsas_t *mpt, ushort_t target, int lun, 228 uint8_t tasktype); 229 static void mptsas_set_pkt_reason(mptsas_t *mpt, mptsas_cmd_t *cmd, 230 uchar_t reason, uint_t stat); 231 232 static uint_t mptsas_intr(caddr_t arg1, caddr_t arg2); 233 static void mptsas_process_intr(mptsas_t *mpt, 234 pMpi2ReplyDescriptorsUnion_t reply_desc_union); 235 static void mptsas_handle_scsi_io_success(mptsas_t *mpt, 236 pMpi2ReplyDescriptorsUnion_t reply_desc); 237 static void mptsas_handle_address_reply(mptsas_t *mpt, 238 pMpi2ReplyDescriptorsUnion_t reply_desc); 239 static int mptsas_wait_intr(mptsas_t *mpt, int polltime); 240 static void mptsas_sge_setup(mptsas_t *mpt, mptsas_cmd_t *cmd, 241 uint32_t *control, pMpi2SCSIIORequest_t frame, ddi_acc_handle_t acc_hdl); 242 243 static void mptsas_watch(void *arg); 244 static void mptsas_watchsubr(mptsas_t *mpt); 245 static void mptsas_cmd_timeout(mptsas_t *mpt, mptsas_target_t *ptgt); 246 247 static void mptsas_start_passthru(mptsas_t *mpt, mptsas_cmd_t *cmd); 248 static int mptsas_do_passthru(mptsas_t *mpt, uint8_t *request, uint8_t *reply, 249 uint8_t *data, uint32_t request_size, uint32_t reply_size, 250 uint32_t data_size, uint32_t direction, uint8_t *dataout, 251 uint32_t dataout_size, short timeout, int mode); 252 static int mptsas_free_devhdl(mptsas_t *mpt, uint16_t devhdl); 253 254 static uint8_t mptsas_get_fw_diag_buffer_number(mptsas_t *mpt, 255 uint32_t unique_id); 256 static void mptsas_start_diag(mptsas_t *mpt, mptsas_cmd_t *cmd); 257 static int mptsas_post_fw_diag_buffer(mptsas_t *mpt, 258 mptsas_fw_diagnostic_buffer_t *pBuffer, uint32_t *return_code); 259 static int mptsas_release_fw_diag_buffer(mptsas_t *mpt, 260 mptsas_fw_diagnostic_buffer_t *pBuffer, uint32_t *return_code, 261 uint32_t diag_type); 262 static int mptsas_diag_register(mptsas_t *mpt, 263 mptsas_fw_diag_register_t *diag_register, uint32_t *return_code); 264 static int mptsas_diag_unregister(mptsas_t *mpt, 265 mptsas_fw_diag_unregister_t *diag_unregister, uint32_t *return_code); 266 static int mptsas_diag_query(mptsas_t *mpt, mptsas_fw_diag_query_t *diag_query, 267 uint32_t *return_code); 268 static int mptsas_diag_read_buffer(mptsas_t *mpt, 269 mptsas_diag_read_buffer_t *diag_read_buffer, uint8_t *ioctl_buf, 270 uint32_t *return_code, int ioctl_mode); 271 static int mptsas_diag_release(mptsas_t *mpt, 272 mptsas_fw_diag_release_t *diag_release, uint32_t *return_code); 273 static int mptsas_do_diag_action(mptsas_t *mpt, uint32_t action, 274 uint8_t *diag_action, uint32_t length, uint32_t *return_code, 275 int ioctl_mode); 276 static int mptsas_diag_action(mptsas_t *mpt, mptsas_diag_action_t *data, 277 int mode); 278 279 static int mptsas_pkt_alloc_extern(mptsas_t *mpt, mptsas_cmd_t *cmd, 280 int cmdlen, int tgtlen, int statuslen, int kf); 281 static void mptsas_pkt_destroy_extern(mptsas_t *mpt, mptsas_cmd_t *cmd); 282 283 static int mptsas_kmem_cache_constructor(void *buf, void *cdrarg, int kmflags); 284 static void mptsas_kmem_cache_destructor(void *buf, void *cdrarg); 285 286 static int mptsas_cache_frames_constructor(void *buf, void *cdrarg, 287 int kmflags); 288 static void mptsas_cache_frames_destructor(void *buf, void *cdrarg); 289 290 static void mptsas_check_scsi_io_error(mptsas_t *mpt, pMpi2SCSIIOReply_t reply, 291 mptsas_cmd_t *cmd); 292 static void mptsas_check_task_mgt(mptsas_t *mpt, 293 pMpi2SCSIManagementReply_t reply, mptsas_cmd_t *cmd); 294 static int mptsas_send_scsi_cmd(mptsas_t *mpt, struct scsi_address *ap, 295 mptsas_target_t *ptgt, uchar_t *cdb, int cdblen, struct buf *data_bp, 296 int *resid); 297 298 static int mptsas_alloc_active_slots(mptsas_t *mpt, int flag); 299 static void mptsas_free_active_slots(mptsas_t *mpt); 300 static int mptsas_start_cmd(mptsas_t *mpt, mptsas_cmd_t *cmd); 301 302 static void mptsas_restart_hba(mptsas_t *mpt); 303 static void mptsas_restart_waitq(mptsas_t *mpt); 304 305 static void mptsas_deliver_doneq_thread(mptsas_t *mpt); 306 static void mptsas_doneq_add(mptsas_t *mpt, mptsas_cmd_t *cmd); 307 static void mptsas_doneq_mv(mptsas_t *mpt, uint64_t t); 308 309 static mptsas_cmd_t *mptsas_doneq_thread_rm(mptsas_t *mpt, uint64_t t); 310 static void mptsas_doneq_empty(mptsas_t *mpt); 311 static void mptsas_doneq_thread(mptsas_doneq_thread_arg_t *arg); 312 313 static mptsas_cmd_t *mptsas_waitq_rm(mptsas_t *mpt); 314 static void mptsas_waitq_delete(mptsas_t *mpt, mptsas_cmd_t *cmd); 315 static mptsas_cmd_t *mptsas_tx_waitq_rm(mptsas_t *mpt); 316 static void mptsas_tx_waitq_delete(mptsas_t *mpt, mptsas_cmd_t *cmd); 317 318 319 static void mptsas_start_watch_reset_delay(); 320 static void mptsas_setup_bus_reset_delay(mptsas_t *mpt); 321 static void mptsas_watch_reset_delay(void *arg); 322 static int mptsas_watch_reset_delay_subr(mptsas_t *mpt); 323 324 /* 325 * helper functions 326 */ 327 static void mptsas_dump_cmd(mptsas_t *mpt, mptsas_cmd_t *cmd); 328 329 static dev_info_t *mptsas_find_child(dev_info_t *pdip, char *name); 330 static dev_info_t *mptsas_find_child_phy(dev_info_t *pdip, uint8_t phy); 331 static dev_info_t *mptsas_find_child_addr(dev_info_t *pdip, uint64_t sasaddr, 332 int lun); 333 static mdi_pathinfo_t *mptsas_find_path_addr(dev_info_t *pdip, uint64_t sasaddr, 334 int lun); 335 static mdi_pathinfo_t *mptsas_find_path_phy(dev_info_t *pdip, uint8_t phy); 336 static dev_info_t *mptsas_find_smp_child(dev_info_t *pdip, char *str_wwn); 337 338 static int mptsas_parse_address(char *name, uint64_t *wwid, uint8_t *phy, 339 int *lun); 340 static int mptsas_parse_smp_name(char *name, uint64_t *wwn); 341 342 static mptsas_target_t *mptsas_phy_to_tgt(mptsas_t *mpt, 343 mptsas_phymask_t phymask, uint8_t phy); 344 static mptsas_target_t *mptsas_wwid_to_ptgt(mptsas_t *mpt, 345 mptsas_phymask_t phymask, uint64_t wwid); 346 static mptsas_smp_t *mptsas_wwid_to_psmp(mptsas_t *mpt, 347 mptsas_phymask_t phymask, uint64_t wwid); 348 349 static int mptsas_inquiry(mptsas_t *mpt, mptsas_target_t *ptgt, int lun, 350 uchar_t page, unsigned char *buf, int len, int *rlen, uchar_t evpd); 351 352 static int mptsas_get_target_device_info(mptsas_t *mpt, uint32_t page_address, 353 uint16_t *handle, mptsas_target_t **pptgt); 354 static void mptsas_update_phymask(mptsas_t *mpt); 355 356 static int mptsas_send_sep(mptsas_t *mpt, mptsas_target_t *ptgt, 357 uint32_t *status, uint8_t cmd); 358 static dev_info_t *mptsas_get_dip_from_dev(dev_t dev, 359 mptsas_phymask_t *phymask); 360 static mptsas_target_t *mptsas_addr_to_ptgt(mptsas_t *mpt, char *addr, 361 mptsas_phymask_t phymask); 362 static int mptsas_flush_led_status(mptsas_t *mpt, mptsas_target_t *ptgt); 363 364 365 /* 366 * Enumeration / DR functions 367 */ 368 static void mptsas_config_all(dev_info_t *pdip); 369 static int mptsas_config_one_addr(dev_info_t *pdip, uint64_t sasaddr, int lun, 370 dev_info_t **lundip); 371 static int mptsas_config_one_phy(dev_info_t *pdip, uint8_t phy, int lun, 372 dev_info_t **lundip); 373 374 static int mptsas_config_target(dev_info_t *pdip, mptsas_target_t *ptgt); 375 static int mptsas_offline_target(dev_info_t *pdip, char *name); 376 377 static int mptsas_config_raid(dev_info_t *pdip, uint16_t target, 378 dev_info_t **dip); 379 380 static int mptsas_config_luns(dev_info_t *pdip, mptsas_target_t *ptgt); 381 static int mptsas_probe_lun(dev_info_t *pdip, int lun, 382 dev_info_t **dip, mptsas_target_t *ptgt); 383 384 static int mptsas_create_lun(dev_info_t *pdip, struct scsi_inquiry *sd_inq, 385 dev_info_t **dip, mptsas_target_t *ptgt, int lun); 386 387 static int mptsas_create_phys_lun(dev_info_t *pdip, struct scsi_inquiry *sd, 388 char *guid, dev_info_t **dip, mptsas_target_t *ptgt, int lun); 389 static int mptsas_create_virt_lun(dev_info_t *pdip, struct scsi_inquiry *sd, 390 char *guid, dev_info_t **dip, mdi_pathinfo_t **pip, mptsas_target_t *ptgt, 391 int lun); 392 393 static void mptsas_offline_missed_luns(dev_info_t *pdip, 394 uint16_t *repluns, int lun_cnt, mptsas_target_t *ptgt); 395 static int mptsas_offline_lun(dev_info_t *pdip, dev_info_t *rdip, 396 mdi_pathinfo_t *rpip, uint_t flags); 397 398 static int mptsas_config_smp(dev_info_t *pdip, uint64_t sas_wwn, 399 dev_info_t **smp_dip); 400 static int mptsas_offline_smp(dev_info_t *pdip, mptsas_smp_t *smp_node, 401 uint_t flags); 402 403 static int mptsas_event_query(mptsas_t *mpt, mptsas_event_query_t *data, 404 int mode, int *rval); 405 static int mptsas_event_enable(mptsas_t *mpt, mptsas_event_enable_t *data, 406 int mode, int *rval); 407 static int mptsas_event_report(mptsas_t *mpt, mptsas_event_report_t *data, 408 int mode, int *rval); 409 static void mptsas_record_event(void *args); 410 static int mptsas_reg_access(mptsas_t *mpt, mptsas_reg_access_t *data, 411 int mode); 412 413 mptsas_target_t *mptsas_tgt_alloc(mptsas_t *, uint16_t, uint64_t, 414 uint32_t, mptsas_phymask_t, uint8_t); 415 static mptsas_smp_t *mptsas_smp_alloc(mptsas_t *, mptsas_smp_t *); 416 static int mptsas_online_smp(dev_info_t *pdip, mptsas_smp_t *smp_node, 417 dev_info_t **smp_dip); 418 419 /* 420 * Power management functions 421 */ 422 static int mptsas_get_pci_cap(mptsas_t *mpt); 423 static int mptsas_init_pm(mptsas_t *mpt); 424 425 /* 426 * MPT MSI tunable: 427 * 428 * By default MSI is enabled on all supported platforms. 429 */ 430 boolean_t mptsas_enable_msi = B_TRUE; 431 boolean_t mptsas_physical_bind_failed_page_83 = B_FALSE; 432 433 /* 434 * Global switch for use of MPI2.5 FAST PATH. 435 * We don't really know what FAST PATH actually does, so if it is suspected 436 * to cause problems it can be turned off by setting this variable to B_FALSE. 437 */ 438 boolean_t mptsas_use_fastpath = B_TRUE; 439 440 static int mptsas_register_intrs(mptsas_t *); 441 static void mptsas_unregister_intrs(mptsas_t *); 442 static int mptsas_add_intrs(mptsas_t *, int); 443 static void mptsas_rem_intrs(mptsas_t *); 444 445 /* 446 * FMA Prototypes 447 */ 448 static void mptsas_fm_init(mptsas_t *mpt); 449 static void mptsas_fm_fini(mptsas_t *mpt); 450 static int mptsas_fm_error_cb(dev_info_t *, ddi_fm_error_t *, const void *); 451 452 extern pri_t minclsyspri, maxclsyspri; 453 454 /* 455 * This device is created by the SCSI pseudo nexus driver (SCSI vHCI). It is 456 * under this device that the paths to a physical device are created when 457 * MPxIO is used. 458 */ 459 extern dev_info_t *scsi_vhci_dip; 460 461 /* 462 * Tunable timeout value for Inquiry VPD page 0x83 463 * By default the value is 30 seconds. 464 */ 465 int mptsas_inq83_retry_timeout = 30; 466 467 /* 468 * This is used to allocate memory for message frame storage, not for 469 * data I/O DMA. All message frames must be stored in the first 4G of 470 * physical memory. 471 */ 472 ddi_dma_attr_t mptsas_dma_attrs = { 473 DMA_ATTR_V0, /* attribute layout version */ 474 0x0ull, /* address low - should be 0 (longlong) */ 475 0xffffffffull, /* address high - 32-bit max range */ 476 0x00ffffffull, /* count max - max DMA object size */ 477 4, /* allocation alignment requirements */ 478 0x78, /* burstsizes - binary encoded values */ 479 1, /* minxfer - gran. of DMA engine */ 480 0x00ffffffull, /* maxxfer - gran. of DMA engine */ 481 0xffffffffull, /* max segment size (DMA boundary) */ 482 MPTSAS_MAX_DMA_SEGS, /* scatter/gather list length */ 483 512, /* granularity - device transfer size */ 484 0 /* flags, set to 0 */ 485 }; 486 487 /* 488 * This is used for data I/O DMA memory allocation. (full 64-bit DMA 489 * physical addresses are supported.) 490 */ 491 ddi_dma_attr_t mptsas_dma_attrs64 = { 492 DMA_ATTR_V0, /* attribute layout version */ 493 0x0ull, /* address low - should be 0 (longlong) */ 494 0xffffffffffffffffull, /* address high - 64-bit max */ 495 0x00ffffffull, /* count max - max DMA object size */ 496 4, /* allocation alignment requirements */ 497 0x78, /* burstsizes - binary encoded values */ 498 1, /* minxfer - gran. of DMA engine */ 499 0x00ffffffull, /* maxxfer - gran. of DMA engine */ 500 0xffffffffull, /* max segment size (DMA boundary) */ 501 MPTSAS_MAX_DMA_SEGS, /* scatter/gather list length */ 502 512, /* granularity - device transfer size */ 503 0 /* flags, set to 0 */ 504 }; 505 506 ddi_device_acc_attr_t mptsas_dev_attr = { 507 DDI_DEVICE_ATTR_V1, 508 DDI_STRUCTURE_LE_ACC, 509 DDI_STRICTORDER_ACC, 510 DDI_DEFAULT_ACC 511 }; 512 513 static struct cb_ops mptsas_cb_ops = { 514 scsi_hba_open, /* open */ 515 scsi_hba_close, /* close */ 516 nodev, /* strategy */ 517 nodev, /* print */ 518 nodev, /* dump */ 519 nodev, /* read */ 520 nodev, /* write */ 521 mptsas_ioctl, /* ioctl */ 522 nodev, /* devmap */ 523 nodev, /* mmap */ 524 nodev, /* segmap */ 525 nochpoll, /* chpoll */ 526 ddi_prop_op, /* cb_prop_op */ 527 NULL, /* streamtab */ 528 D_MP, /* cb_flag */ 529 CB_REV, /* rev */ 530 nodev, /* aread */ 531 nodev /* awrite */ 532 }; 533 534 static struct dev_ops mptsas_ops = { 535 DEVO_REV, /* devo_rev, */ 536 0, /* refcnt */ 537 ddi_no_info, /* info */ 538 nulldev, /* identify */ 539 nulldev, /* probe */ 540 mptsas_attach, /* attach */ 541 mptsas_detach, /* detach */ 542 #ifdef __sparc 543 mptsas_reset, 544 #else 545 nodev, /* reset */ 546 #endif /* __sparc */ 547 &mptsas_cb_ops, /* driver operations */ 548 NULL, /* bus operations */ 549 mptsas_power, /* power management */ 550 #ifdef __sparc 551 ddi_quiesce_not_needed 552 #else 553 mptsas_quiesce /* quiesce */ 554 #endif /* __sparc */ 555 }; 556 557 558 #define MPTSAS_MOD_STRING "MPTSAS HBA Driver 00.00.00.24" 559 560 static struct modldrv modldrv = { 561 &mod_driverops, /* Type of module. This one is a driver */ 562 MPTSAS_MOD_STRING, /* Name of the module. */ 563 &mptsas_ops, /* driver ops */ 564 }; 565 566 static struct modlinkage modlinkage = { 567 MODREV_1, &modldrv, NULL 568 }; 569 #define TARGET_PROP "target" 570 #define LUN_PROP "lun" 571 #define LUN64_PROP "lun64" 572 #define SAS_PROP "sas-mpt" 573 #define MDI_GUID "wwn" 574 #define NDI_GUID "guid" 575 #define MPTSAS_DEV_GONE "mptsas_dev_gone" 576 577 /* 578 * Local static data 579 */ 580 #if defined(MPTSAS_DEBUG) 581 /* 582 * Flags to indicate which debug messages are to be printed and which go to the 583 * debug log ring buffer. Default is to not print anything, and to log 584 * everything except the watchsubr() output which normally happens every second. 585 */ 586 uint32_t mptsas_debugprt_flags = 0x0; 587 uint32_t mptsas_debuglog_flags = ~(1U << 30); 588 #endif /* defined(MPTSAS_DEBUG) */ 589 uint32_t mptsas_debug_resets = 0; 590 591 static kmutex_t mptsas_global_mutex; 592 static void *mptsas_state; /* soft state ptr */ 593 static krwlock_t mptsas_global_rwlock; 594 595 static kmutex_t mptsas_log_mutex; 596 static char mptsas_log_buf[256]; 597 _NOTE(MUTEX_PROTECTS_DATA(mptsas_log_mutex, mptsas_log_buf)) 598 599 static mptsas_t *mptsas_head, *mptsas_tail; 600 static clock_t mptsas_scsi_watchdog_tick; 601 static clock_t mptsas_tick; 602 static timeout_id_t mptsas_reset_watch; 603 static timeout_id_t mptsas_timeout_id; 604 static int mptsas_timeouts_enabled = 0; 605 606 /* 607 * Default length for extended auto request sense buffers. 608 * All sense buffers need to be under the same alloc because there 609 * is only one common top 32bits (of 64bits) address register. 610 * Most requests only require 32 bytes, but some request >256. 611 * We use rmalloc()/rmfree() on this additional memory to manage the 612 * "extended" requests. 613 */ 614 int mptsas_extreq_sense_bufsize = 256*64; 615 616 /* 617 * We believe that all software resrictions of having to run with DMA 618 * attributes to limit allocation to the first 4G are removed. 619 * However, this flag remains to enable quick switchback should suspicious 620 * problems emerge. 621 * Note that scsi_alloc_consistent_buf() does still adhere to allocating 622 * 32 bit addressable memory, but we can cope if that is changed now. 623 */ 624 int mptsas_use_64bit_msgaddr = 1; 625 626 /* 627 * warlock directives 628 */ 629 _NOTE(SCHEME_PROTECTS_DATA("unique per pkt", scsi_pkt \ 630 mptsas_cmd NcrTableIndirect buf scsi_cdb scsi_status)) 631 _NOTE(SCHEME_PROTECTS_DATA("unique per pkt", smp_pkt)) 632 _NOTE(SCHEME_PROTECTS_DATA("stable data", scsi_device scsi_address)) 633 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", mptsas_tgt_private)) 634 _NOTE(SCHEME_PROTECTS_DATA("No Mutex Needed", scsi_hba_tran::tran_tgt_private)) 635 636 /* 637 * SM - HBA statics 638 */ 639 char *mptsas_driver_rev = MPTSAS_MOD_STRING; 640 641 #ifdef MPTSAS_DEBUG 642 void debug_enter(char *); 643 #endif 644 645 /* 646 * Notes: 647 * - scsi_hba_init(9F) initializes SCSI HBA modules 648 * - must call scsi_hba_fini(9F) if modload() fails 649 */ 650 int 651 _init(void) 652 { 653 int status; 654 /* CONSTCOND */ 655 ASSERT(NO_COMPETING_THREADS); 656 657 NDBG0(("_init")); 658 659 status = ddi_soft_state_init(&mptsas_state, MPTSAS_SIZE, 660 MPTSAS_INITIAL_SOFT_SPACE); 661 if (status != 0) { 662 return (status); 663 } 664 665 if ((status = scsi_hba_init(&modlinkage)) != 0) { 666 ddi_soft_state_fini(&mptsas_state); 667 return (status); 668 } 669 670 mutex_init(&mptsas_global_mutex, NULL, MUTEX_DRIVER, NULL); 671 rw_init(&mptsas_global_rwlock, NULL, RW_DRIVER, NULL); 672 mutex_init(&mptsas_log_mutex, NULL, MUTEX_DRIVER, NULL); 673 674 if ((status = mod_install(&modlinkage)) != 0) { 675 mutex_destroy(&mptsas_log_mutex); 676 rw_destroy(&mptsas_global_rwlock); 677 mutex_destroy(&mptsas_global_mutex); 678 ddi_soft_state_fini(&mptsas_state); 679 scsi_hba_fini(&modlinkage); 680 } 681 682 return (status); 683 } 684 685 /* 686 * Notes: 687 * - scsi_hba_fini(9F) uninitializes SCSI HBA modules 688 */ 689 int 690 _fini(void) 691 { 692 int status; 693 /* CONSTCOND */ 694 ASSERT(NO_COMPETING_THREADS); 695 696 NDBG0(("_fini")); 697 698 if ((status = mod_remove(&modlinkage)) == 0) { 699 ddi_soft_state_fini(&mptsas_state); 700 scsi_hba_fini(&modlinkage); 701 mutex_destroy(&mptsas_global_mutex); 702 rw_destroy(&mptsas_global_rwlock); 703 mutex_destroy(&mptsas_log_mutex); 704 } 705 return (status); 706 } 707 708 /* 709 * The loadable-module _info(9E) entry point 710 */ 711 int 712 _info(struct modinfo *modinfop) 713 { 714 /* CONSTCOND */ 715 ASSERT(NO_COMPETING_THREADS); 716 NDBG0(("mptsas _info")); 717 718 return (mod_info(&modlinkage, modinfop)); 719 } 720 721 static int 722 mptsas_target_eval_devhdl(const void *op, void *arg) 723 { 724 uint16_t dh = *(uint16_t *)arg; 725 const mptsas_target_t *tp = op; 726 727 return ((int)tp->m_devhdl - (int)dh); 728 } 729 730 static int 731 mptsas_target_eval_slot(const void *op, void *arg) 732 { 733 mptsas_led_control_t *lcp = arg; 734 const mptsas_target_t *tp = op; 735 736 if (tp->m_enclosure != lcp->Enclosure) 737 return ((int)tp->m_enclosure - (int)lcp->Enclosure); 738 739 return ((int)tp->m_slot_num - (int)lcp->Slot); 740 } 741 742 static int 743 mptsas_target_eval_nowwn(const void *op, void *arg) 744 { 745 uint8_t phy = *(uint8_t *)arg; 746 const mptsas_target_t *tp = op; 747 748 if (tp->m_addr.mta_wwn != 0) 749 return (-1); 750 751 return ((int)tp->m_phynum - (int)phy); 752 } 753 754 static int 755 mptsas_smp_eval_devhdl(const void *op, void *arg) 756 { 757 uint16_t dh = *(uint16_t *)arg; 758 const mptsas_smp_t *sp = op; 759 760 return ((int)sp->m_devhdl - (int)dh); 761 } 762 763 static uint64_t 764 mptsas_target_addr_hash(const void *tp) 765 { 766 const mptsas_target_addr_t *tap = tp; 767 768 return ((tap->mta_wwn & 0xffffffffffffULL) | 769 ((uint64_t)tap->mta_phymask << 48)); 770 } 771 772 static int 773 mptsas_target_addr_cmp(const void *a, const void *b) 774 { 775 const mptsas_target_addr_t *aap = a; 776 const mptsas_target_addr_t *bap = b; 777 778 if (aap->mta_wwn < bap->mta_wwn) 779 return (-1); 780 if (aap->mta_wwn > bap->mta_wwn) 781 return (1); 782 return ((int)bap->mta_phymask - (int)aap->mta_phymask); 783 } 784 785 static void 786 mptsas_target_free(void *op) 787 { 788 kmem_free(op, sizeof (mptsas_target_t)); 789 } 790 791 static void 792 mptsas_smp_free(void *op) 793 { 794 kmem_free(op, sizeof (mptsas_smp_t)); 795 } 796 797 static void 798 mptsas_destroy_hashes(mptsas_t *mpt) 799 { 800 mptsas_target_t *tp; 801 mptsas_smp_t *sp; 802 803 for (tp = refhash_first(mpt->m_targets); tp != NULL; 804 tp = refhash_next(mpt->m_targets, tp)) { 805 refhash_remove(mpt->m_targets, tp); 806 } 807 for (sp = refhash_first(mpt->m_smp_targets); sp != NULL; 808 sp = refhash_next(mpt->m_smp_targets, sp)) { 809 refhash_remove(mpt->m_smp_targets, sp); 810 } 811 refhash_destroy(mpt->m_targets); 812 refhash_destroy(mpt->m_smp_targets); 813 mpt->m_targets = NULL; 814 mpt->m_smp_targets = NULL; 815 } 816 817 static int 818 mptsas_iport_attach(dev_info_t *dip, ddi_attach_cmd_t cmd) 819 { 820 dev_info_t *pdip; 821 mptsas_t *mpt; 822 scsi_hba_tran_t *hba_tran; 823 char *iport = NULL; 824 char phymask[MPTSAS_MAX_PHYS]; 825 mptsas_phymask_t phy_mask = 0; 826 int dynamic_port = 0; 827 uint32_t page_address; 828 char initiator_wwnstr[MPTSAS_WWN_STRLEN]; 829 int rval = DDI_FAILURE; 830 int i = 0; 831 uint8_t numphys = 0; 832 uint8_t phy_id; 833 uint8_t phy_port = 0; 834 uint16_t attached_devhdl = 0; 835 uint32_t dev_info; 836 uint64_t attached_sas_wwn; 837 uint16_t dev_hdl; 838 uint16_t pdev_hdl; 839 uint16_t bay_num, enclosure, io_flags; 840 char attached_wwnstr[MPTSAS_WWN_STRLEN]; 841 842 /* CONSTCOND */ 843 ASSERT(NO_COMPETING_THREADS); 844 845 switch (cmd) { 846 case DDI_ATTACH: 847 break; 848 849 case DDI_RESUME: 850 /* 851 * If this a scsi-iport node, nothing to do here. 852 */ 853 return (DDI_SUCCESS); 854 855 default: 856 return (DDI_FAILURE); 857 } 858 859 pdip = ddi_get_parent(dip); 860 861 if ((hba_tran = ndi_flavorv_get(pdip, SCSA_FLAVOR_SCSI_DEVICE)) == 862 NULL) { 863 cmn_err(CE_WARN, "Failed attach iport because fail to " 864 "get tran vector for the HBA node"); 865 return (DDI_FAILURE); 866 } 867 868 mpt = TRAN2MPT(hba_tran); 869 ASSERT(mpt != NULL); 870 if (mpt == NULL) 871 return (DDI_FAILURE); 872 873 if ((hba_tran = ndi_flavorv_get(dip, SCSA_FLAVOR_SCSI_DEVICE)) == 874 NULL) { 875 mptsas_log(mpt, CE_WARN, "Failed attach iport because fail to " 876 "get tran vector for the iport node"); 877 return (DDI_FAILURE); 878 } 879 880 /* 881 * Overwrite parent's tran_hba_private to iport's tran vector 882 */ 883 hba_tran->tran_hba_private = mpt; 884 885 ddi_report_dev(dip); 886 887 /* 888 * Get SAS address for initiator port according dev_handle 889 */ 890 iport = ddi_get_name_addr(dip); 891 if (iport && strncmp(iport, "v0", 2) == 0) { 892 if (ddi_prop_update_int(DDI_DEV_T_NONE, dip, 893 MPTSAS_VIRTUAL_PORT, 1) != 894 DDI_PROP_SUCCESS) { 895 (void) ddi_prop_remove(DDI_DEV_T_NONE, dip, 896 MPTSAS_VIRTUAL_PORT); 897 mptsas_log(mpt, CE_WARN, "mptsas virtual port " 898 "prop update failed"); 899 return (DDI_FAILURE); 900 } 901 return (DDI_SUCCESS); 902 } 903 904 mutex_enter(&mpt->m_mutex); 905 for (i = 0; i < MPTSAS_MAX_PHYS; i++) { 906 bzero(phymask, sizeof (phymask)); 907 (void) sprintf(phymask, 908 "%x", mpt->m_phy_info[i].phy_mask); 909 if (strcmp(phymask, iport) == 0) { 910 break; 911 } 912 } 913 914 if (i == MPTSAS_MAX_PHYS) { 915 mptsas_log(mpt, CE_WARN, "Failed attach port %s because port" 916 "seems not exist", iport); 917 mutex_exit(&mpt->m_mutex); 918 return (DDI_FAILURE); 919 } 920 921 phy_mask = mpt->m_phy_info[i].phy_mask; 922 923 if (mpt->m_phy_info[i].port_flags & AUTO_PORT_CONFIGURATION) 924 dynamic_port = 1; 925 else 926 dynamic_port = 0; 927 928 /* 929 * Update PHY info for smhba 930 */ 931 if (mptsas_smhba_phy_init(mpt)) { 932 mutex_exit(&mpt->m_mutex); 933 mptsas_log(mpt, CE_WARN, "mptsas phy update " 934 "failed"); 935 return (DDI_FAILURE); 936 } 937 938 mutex_exit(&mpt->m_mutex); 939 940 numphys = 0; 941 for (i = 0; i < MPTSAS_MAX_PHYS; i++) { 942 if ((phy_mask >> i) & 0x01) { 943 numphys++; 944 } 945 } 946 947 bzero(initiator_wwnstr, sizeof (initiator_wwnstr)); 948 (void) sprintf(initiator_wwnstr, "w%016"PRIx64, 949 mpt->un.m_base_wwid); 950 951 if (ddi_prop_update_string(DDI_DEV_T_NONE, dip, 952 SCSI_ADDR_PROP_INITIATOR_PORT, initiator_wwnstr) != 953 DDI_PROP_SUCCESS) { 954 (void) ddi_prop_remove(DDI_DEV_T_NONE, 955 dip, SCSI_ADDR_PROP_INITIATOR_PORT); 956 mptsas_log(mpt, CE_WARN, "mptsas Initiator port " 957 "prop update failed"); 958 return (DDI_FAILURE); 959 } 960 if (ddi_prop_update_int(DDI_DEV_T_NONE, dip, 961 MPTSAS_NUM_PHYS, numphys) != 962 DDI_PROP_SUCCESS) { 963 (void) ddi_prop_remove(DDI_DEV_T_NONE, dip, MPTSAS_NUM_PHYS); 964 return (DDI_FAILURE); 965 } 966 967 if (ddi_prop_update_int(DDI_DEV_T_NONE, dip, 968 "phymask", phy_mask) != 969 DDI_PROP_SUCCESS) { 970 (void) ddi_prop_remove(DDI_DEV_T_NONE, dip, "phymask"); 971 mptsas_log(mpt, CE_WARN, "mptsas phy mask " 972 "prop update failed"); 973 return (DDI_FAILURE); 974 } 975 976 if (ddi_prop_update_int(DDI_DEV_T_NONE, dip, 977 "dynamic-port", dynamic_port) != 978 DDI_PROP_SUCCESS) { 979 (void) ddi_prop_remove(DDI_DEV_T_NONE, dip, "dynamic-port"); 980 mptsas_log(mpt, CE_WARN, "mptsas dynamic port " 981 "prop update failed"); 982 return (DDI_FAILURE); 983 } 984 if (ddi_prop_update_int(DDI_DEV_T_NONE, dip, 985 MPTSAS_VIRTUAL_PORT, 0) != 986 DDI_PROP_SUCCESS) { 987 (void) ddi_prop_remove(DDI_DEV_T_NONE, dip, 988 MPTSAS_VIRTUAL_PORT); 989 mptsas_log(mpt, CE_WARN, "mptsas virtual port " 990 "prop update failed"); 991 return (DDI_FAILURE); 992 } 993 mptsas_smhba_set_all_phy_props(mpt, dip, numphys, phy_mask, 994 &attached_devhdl); 995 996 mutex_enter(&mpt->m_mutex); 997 page_address = (MPI2_SAS_DEVICE_PGAD_FORM_HANDLE & 998 MPI2_SAS_DEVICE_PGAD_FORM_MASK) | (uint32_t)attached_devhdl; 999 rval = mptsas_get_sas_device_page0(mpt, page_address, &dev_hdl, 1000 &attached_sas_wwn, &dev_info, &phy_port, &phy_id, 1001 &pdev_hdl, &bay_num, &enclosure, &io_flags); 1002 if (rval != DDI_SUCCESS) { 1003 mptsas_log(mpt, CE_WARN, 1004 "Failed to get device page0 for handle:%d", 1005 attached_devhdl); 1006 mutex_exit(&mpt->m_mutex); 1007 return (DDI_FAILURE); 1008 } 1009 1010 for (i = 0; i < MPTSAS_MAX_PHYS; i++) { 1011 bzero(phymask, sizeof (phymask)); 1012 (void) sprintf(phymask, "%x", mpt->m_phy_info[i].phy_mask); 1013 if (strcmp(phymask, iport) == 0) { 1014 (void) sprintf(&mpt->m_phy_info[i].smhba_info.path[0], 1015 "%x", 1016 mpt->m_phy_info[i].phy_mask); 1017 } 1018 } 1019 mutex_exit(&mpt->m_mutex); 1020 1021 bzero(attached_wwnstr, sizeof (attached_wwnstr)); 1022 (void) sprintf(attached_wwnstr, "w%016"PRIx64, 1023 attached_sas_wwn); 1024 if (ddi_prop_update_string(DDI_DEV_T_NONE, dip, 1025 SCSI_ADDR_PROP_ATTACHED_PORT, attached_wwnstr) != 1026 DDI_PROP_SUCCESS) { 1027 (void) ddi_prop_remove(DDI_DEV_T_NONE, 1028 dip, SCSI_ADDR_PROP_ATTACHED_PORT); 1029 return (DDI_FAILURE); 1030 } 1031 1032 /* Create kstats for each phy on this iport */ 1033 1034 mptsas_create_phy_stats(mpt, iport, dip); 1035 1036 /* 1037 * register sas hba iport with mdi (MPxIO/vhci) 1038 */ 1039 if (mdi_phci_register(MDI_HCI_CLASS_SCSI, 1040 dip, 0) == MDI_SUCCESS) { 1041 mpt->m_mpxio_enable = TRUE; 1042 } 1043 return (DDI_SUCCESS); 1044 } 1045 1046 /* 1047 * Notes: 1048 * Set up all device state and allocate data structures, 1049 * mutexes, condition variables, etc. for device operation. 1050 * Add interrupts needed. 1051 * Return DDI_SUCCESS if device is ready, else return DDI_FAILURE. 1052 */ 1053 static int 1054 mptsas_attach(dev_info_t *dip, ddi_attach_cmd_t cmd) 1055 { 1056 mptsas_t *mpt = NULL; 1057 int instance, i, j; 1058 int doneq_thread_num; 1059 char intr_added = 0; 1060 char map_setup = 0; 1061 char config_setup = 0; 1062 char hba_attach_setup = 0; 1063 char smp_attach_setup = 0; 1064 char mutex_init_done = 0; 1065 char event_taskq_create = 0; 1066 char dr_taskq_create = 0; 1067 char doneq_thread_create = 0; 1068 char added_watchdog = 0; 1069 scsi_hba_tran_t *hba_tran; 1070 uint_t mem_bar = MEM_SPACE; 1071 int rval = DDI_FAILURE; 1072 1073 /* CONSTCOND */ 1074 ASSERT(NO_COMPETING_THREADS); 1075 1076 if (scsi_hba_iport_unit_address(dip)) { 1077 return (mptsas_iport_attach(dip, cmd)); 1078 } 1079 1080 switch (cmd) { 1081 case DDI_ATTACH: 1082 break; 1083 1084 case DDI_RESUME: 1085 if ((hba_tran = ddi_get_driver_private(dip)) == NULL) 1086 return (DDI_FAILURE); 1087 1088 mpt = TRAN2MPT(hba_tran); 1089 1090 if (!mpt) { 1091 return (DDI_FAILURE); 1092 } 1093 1094 /* 1095 * Reset hardware and softc to "no outstanding commands" 1096 * Note that a check condition can result on first command 1097 * to a target. 1098 */ 1099 mutex_enter(&mpt->m_mutex); 1100 1101 /* 1102 * raise power. 1103 */ 1104 if (mpt->m_options & MPTSAS_OPT_PM) { 1105 mutex_exit(&mpt->m_mutex); 1106 (void) pm_busy_component(dip, 0); 1107 rval = pm_power_has_changed(dip, 0, PM_LEVEL_D0); 1108 if (rval == DDI_SUCCESS) { 1109 mutex_enter(&mpt->m_mutex); 1110 } else { 1111 /* 1112 * The pm_raise_power() call above failed, 1113 * and that can only occur if we were unable 1114 * to reset the hardware. This is probably 1115 * due to unhealty hardware, and because 1116 * important filesystems(such as the root 1117 * filesystem) could be on the attached disks, 1118 * it would not be a good idea to continue, 1119 * as we won't be entirely certain we are 1120 * writing correct data. So we panic() here 1121 * to not only prevent possible data corruption, 1122 * but to give developers or end users a hope 1123 * of identifying and correcting any problems. 1124 */ 1125 fm_panic("mptsas could not reset hardware " 1126 "during resume"); 1127 } 1128 } 1129 1130 mpt->m_suspended = 0; 1131 1132 /* 1133 * Reinitialize ioc 1134 */ 1135 mpt->m_softstate |= MPTSAS_SS_MSG_UNIT_RESET; 1136 if (mptsas_init_chip(mpt, FALSE) == DDI_FAILURE) { 1137 mutex_exit(&mpt->m_mutex); 1138 if (mpt->m_options & MPTSAS_OPT_PM) { 1139 (void) pm_idle_component(dip, 0); 1140 } 1141 fm_panic("mptsas init chip fail during resume"); 1142 } 1143 /* 1144 * mptsas_update_driver_data needs interrupts so enable them 1145 * first. 1146 */ 1147 MPTSAS_ENABLE_INTR(mpt); 1148 mptsas_update_driver_data(mpt); 1149 1150 /* start requests, if possible */ 1151 mptsas_restart_hba(mpt); 1152 1153 mutex_exit(&mpt->m_mutex); 1154 1155 /* 1156 * Restart watch thread 1157 */ 1158 mutex_enter(&mptsas_global_mutex); 1159 if (mptsas_timeout_id == 0) { 1160 mptsas_timeout_id = timeout(mptsas_watch, NULL, 1161 mptsas_tick); 1162 mptsas_timeouts_enabled = 1; 1163 } 1164 mutex_exit(&mptsas_global_mutex); 1165 1166 /* report idle status to pm framework */ 1167 if (mpt->m_options & MPTSAS_OPT_PM) { 1168 (void) pm_idle_component(dip, 0); 1169 } 1170 1171 return (DDI_SUCCESS); 1172 1173 default: 1174 return (DDI_FAILURE); 1175 1176 } 1177 1178 instance = ddi_get_instance(dip); 1179 1180 /* 1181 * Allocate softc information. 1182 */ 1183 if (ddi_soft_state_zalloc(mptsas_state, instance) != DDI_SUCCESS) { 1184 mptsas_log(NULL, CE_WARN, 1185 "mptsas%d: cannot allocate soft state", instance); 1186 goto fail; 1187 } 1188 1189 mpt = ddi_get_soft_state(mptsas_state, instance); 1190 1191 if (mpt == NULL) { 1192 mptsas_log(NULL, CE_WARN, 1193 "mptsas%d: cannot get soft state", instance); 1194 goto fail; 1195 } 1196 1197 /* Indicate that we are 'sizeof (scsi_*(9S))' clean. */ 1198 scsi_size_clean(dip); 1199 1200 mpt->m_dip = dip; 1201 mpt->m_instance = instance; 1202 1203 /* Make a per-instance copy of the structures */ 1204 mpt->m_io_dma_attr = mptsas_dma_attrs64; 1205 if (mptsas_use_64bit_msgaddr) { 1206 mpt->m_msg_dma_attr = mptsas_dma_attrs64; 1207 } else { 1208 mpt->m_msg_dma_attr = mptsas_dma_attrs; 1209 } 1210 mpt->m_reg_acc_attr = mptsas_dev_attr; 1211 mpt->m_dev_acc_attr = mptsas_dev_attr; 1212 1213 /* 1214 * Size of individual request sense buffer 1215 */ 1216 mpt->m_req_sense_size = EXTCMDS_STATUS_SIZE; 1217 1218 /* 1219 * Initialize FMA 1220 */ 1221 mpt->m_fm_capabilities = ddi_getprop(DDI_DEV_T_ANY, mpt->m_dip, 1222 DDI_PROP_CANSLEEP | DDI_PROP_DONTPASS, "fm-capable", 1223 DDI_FM_EREPORT_CAPABLE | DDI_FM_ACCCHK_CAPABLE | 1224 DDI_FM_DMACHK_CAPABLE | DDI_FM_ERRCB_CAPABLE); 1225 1226 mptsas_fm_init(mpt); 1227 1228 if (mptsas_alloc_handshake_msg(mpt, 1229 sizeof (Mpi2SCSITaskManagementRequest_t)) == DDI_FAILURE) { 1230 mptsas_log(mpt, CE_WARN, "cannot initialize handshake msg."); 1231 goto fail; 1232 } 1233 1234 /* 1235 * Setup configuration space 1236 */ 1237 if (mptsas_config_space_init(mpt) == FALSE) { 1238 mptsas_log(mpt, CE_WARN, "mptsas_config_space_init failed"); 1239 goto fail; 1240 } 1241 config_setup++; 1242 1243 if (ddi_regs_map_setup(dip, mem_bar, (caddr_t *)&mpt->m_reg, 1244 0, 0, &mpt->m_reg_acc_attr, &mpt->m_datap) != DDI_SUCCESS) { 1245 mptsas_log(mpt, CE_WARN, "map setup failed"); 1246 goto fail; 1247 } 1248 map_setup++; 1249 1250 /* 1251 * A taskq is created for dealing with the event handler 1252 */ 1253 if ((mpt->m_event_taskq = ddi_taskq_create(dip, "mptsas_event_taskq", 1254 1, TASKQ_DEFAULTPRI, 0)) == NULL) { 1255 mptsas_log(mpt, CE_NOTE, "ddi_taskq_create failed"); 1256 goto fail; 1257 } 1258 event_taskq_create++; 1259 1260 /* 1261 * A taskq is created for dealing with dr events 1262 */ 1263 if ((mpt->m_dr_taskq = ddi_taskq_create(dip, 1264 "mptsas_dr_taskq", 1265 1, TASKQ_DEFAULTPRI, 0)) == NULL) { 1266 mptsas_log(mpt, CE_NOTE, "ddi_taskq_create for discovery " 1267 "failed"); 1268 goto fail; 1269 } 1270 dr_taskq_create++; 1271 1272 mpt->m_doneq_thread_threshold = ddi_prop_get_int(DDI_DEV_T_ANY, dip, 1273 0, "mptsas_doneq_thread_threshold_prop", 10); 1274 mpt->m_doneq_length_threshold = ddi_prop_get_int(DDI_DEV_T_ANY, dip, 1275 0, "mptsas_doneq_length_threshold_prop", 8); 1276 mpt->m_doneq_thread_n = ddi_prop_get_int(DDI_DEV_T_ANY, dip, 1277 0, "mptsas_doneq_thread_n_prop", 8); 1278 1279 if (mpt->m_doneq_thread_n) { 1280 cv_init(&mpt->m_doneq_thread_cv, NULL, CV_DRIVER, NULL); 1281 mutex_init(&mpt->m_doneq_mutex, NULL, MUTEX_DRIVER, NULL); 1282 1283 mutex_enter(&mpt->m_doneq_mutex); 1284 mpt->m_doneq_thread_id = 1285 kmem_zalloc(sizeof (mptsas_doneq_thread_list_t) 1286 * mpt->m_doneq_thread_n, KM_SLEEP); 1287 1288 for (j = 0; j < mpt->m_doneq_thread_n; j++) { 1289 cv_init(&mpt->m_doneq_thread_id[j].cv, NULL, 1290 CV_DRIVER, NULL); 1291 mutex_init(&mpt->m_doneq_thread_id[j].mutex, NULL, 1292 MUTEX_DRIVER, NULL); 1293 mutex_enter(&mpt->m_doneq_thread_id[j].mutex); 1294 mpt->m_doneq_thread_id[j].flag |= 1295 MPTSAS_DONEQ_THREAD_ACTIVE; 1296 mpt->m_doneq_thread_id[j].arg.mpt = mpt; 1297 mpt->m_doneq_thread_id[j].arg.t = j; 1298 mpt->m_doneq_thread_id[j].threadp = 1299 thread_create(NULL, 0, mptsas_doneq_thread, 1300 &mpt->m_doneq_thread_id[j].arg, 1301 0, &p0, TS_RUN, minclsyspri); 1302 mpt->m_doneq_thread_id[j].donetail = 1303 &mpt->m_doneq_thread_id[j].doneq; 1304 mutex_exit(&mpt->m_doneq_thread_id[j].mutex); 1305 } 1306 mutex_exit(&mpt->m_doneq_mutex); 1307 doneq_thread_create++; 1308 } 1309 1310 /* 1311 * Disable hardware interrupt since we're not ready to 1312 * handle it yet. 1313 */ 1314 MPTSAS_DISABLE_INTR(mpt); 1315 if (mptsas_register_intrs(mpt) == FALSE) 1316 goto fail; 1317 intr_added++; 1318 1319 /* Initialize mutex used in interrupt handler */ 1320 mutex_init(&mpt->m_mutex, NULL, MUTEX_DRIVER, 1321 DDI_INTR_PRI(mpt->m_intr_pri)); 1322 mutex_init(&mpt->m_passthru_mutex, NULL, MUTEX_DRIVER, NULL); 1323 mutex_init(&mpt->m_tx_waitq_mutex, NULL, MUTEX_DRIVER, 1324 DDI_INTR_PRI(mpt->m_intr_pri)); 1325 for (i = 0; i < MPTSAS_MAX_PHYS; i++) { 1326 mutex_init(&mpt->m_phy_info[i].smhba_info.phy_mutex, 1327 NULL, MUTEX_DRIVER, 1328 DDI_INTR_PRI(mpt->m_intr_pri)); 1329 } 1330 1331 cv_init(&mpt->m_cv, NULL, CV_DRIVER, NULL); 1332 cv_init(&mpt->m_passthru_cv, NULL, CV_DRIVER, NULL); 1333 cv_init(&mpt->m_fw_cv, NULL, CV_DRIVER, NULL); 1334 cv_init(&mpt->m_config_cv, NULL, CV_DRIVER, NULL); 1335 cv_init(&mpt->m_fw_diag_cv, NULL, CV_DRIVER, NULL); 1336 mutex_init_done++; 1337 1338 mutex_enter(&mpt->m_mutex); 1339 /* 1340 * Initialize power management component 1341 */ 1342 if (mpt->m_options & MPTSAS_OPT_PM) { 1343 if (mptsas_init_pm(mpt)) { 1344 mutex_exit(&mpt->m_mutex); 1345 mptsas_log(mpt, CE_WARN, "mptsas pm initialization " 1346 "failed"); 1347 goto fail; 1348 } 1349 } 1350 1351 /* 1352 * Initialize chip using Message Unit Reset, if allowed 1353 */ 1354 mpt->m_softstate |= MPTSAS_SS_MSG_UNIT_RESET; 1355 if (mptsas_init_chip(mpt, TRUE) == DDI_FAILURE) { 1356 mutex_exit(&mpt->m_mutex); 1357 mptsas_log(mpt, CE_WARN, "mptsas chip initialization failed"); 1358 goto fail; 1359 } 1360 1361 mpt->m_targets = refhash_create(MPTSAS_TARGET_BUCKET_COUNT, 1362 mptsas_target_addr_hash, mptsas_target_addr_cmp, 1363 mptsas_target_free, sizeof (mptsas_target_t), 1364 offsetof(mptsas_target_t, m_link), 1365 offsetof(mptsas_target_t, m_addr), KM_SLEEP); 1366 1367 /* 1368 * Fill in the phy_info structure and get the base WWID 1369 */ 1370 if (mptsas_get_manufacture_page5(mpt) == DDI_FAILURE) { 1371 mptsas_log(mpt, CE_WARN, 1372 "mptsas_get_manufacture_page5 failed!"); 1373 goto fail; 1374 } 1375 1376 if (mptsas_get_sas_io_unit_page_hndshk(mpt)) { 1377 mptsas_log(mpt, CE_WARN, 1378 "mptsas_get_sas_io_unit_page_hndshk failed!"); 1379 goto fail; 1380 } 1381 1382 if (mptsas_get_manufacture_page0(mpt) == DDI_FAILURE) { 1383 mptsas_log(mpt, CE_WARN, 1384 "mptsas_get_manufacture_page0 failed!"); 1385 goto fail; 1386 } 1387 1388 mutex_exit(&mpt->m_mutex); 1389 1390 /* 1391 * Register the iport for multiple port HBA 1392 */ 1393 mptsas_iport_register(mpt); 1394 1395 /* 1396 * initialize SCSI HBA transport structure 1397 */ 1398 if (mptsas_hba_setup(mpt) == FALSE) 1399 goto fail; 1400 hba_attach_setup++; 1401 1402 if (mptsas_smp_setup(mpt) == FALSE) 1403 goto fail; 1404 smp_attach_setup++; 1405 1406 if (mptsas_cache_create(mpt) == FALSE) 1407 goto fail; 1408 1409 mpt->m_scsi_reset_delay = ddi_prop_get_int(DDI_DEV_T_ANY, 1410 dip, 0, "scsi-reset-delay", SCSI_DEFAULT_RESET_DELAY); 1411 if (mpt->m_scsi_reset_delay == 0) { 1412 mptsas_log(mpt, CE_NOTE, 1413 "scsi_reset_delay of 0 is not recommended," 1414 " resetting to SCSI_DEFAULT_RESET_DELAY\n"); 1415 mpt->m_scsi_reset_delay = SCSI_DEFAULT_RESET_DELAY; 1416 } 1417 1418 /* 1419 * Initialize the wait and done FIFO queue 1420 */ 1421 mpt->m_donetail = &mpt->m_doneq; 1422 mpt->m_waitqtail = &mpt->m_waitq; 1423 mpt->m_tx_waitqtail = &mpt->m_tx_waitq; 1424 mpt->m_tx_draining = 0; 1425 1426 /* 1427 * ioc cmd queue initialize 1428 */ 1429 mpt->m_ioc_event_cmdtail = &mpt->m_ioc_event_cmdq; 1430 mpt->m_dev_handle = 0xFFFF; 1431 1432 MPTSAS_ENABLE_INTR(mpt); 1433 1434 /* 1435 * enable event notification 1436 */ 1437 mutex_enter(&mpt->m_mutex); 1438 if (mptsas_ioc_enable_event_notification(mpt)) { 1439 mutex_exit(&mpt->m_mutex); 1440 goto fail; 1441 } 1442 mutex_exit(&mpt->m_mutex); 1443 1444 /* 1445 * used for mptsas_watch 1446 */ 1447 mptsas_list_add(mpt); 1448 1449 mutex_enter(&mptsas_global_mutex); 1450 if (mptsas_timeouts_enabled == 0) { 1451 mptsas_scsi_watchdog_tick = ddi_prop_get_int(DDI_DEV_T_ANY, 1452 dip, 0, "scsi-watchdog-tick", DEFAULT_WD_TICK); 1453 1454 mptsas_tick = mptsas_scsi_watchdog_tick * 1455 drv_usectohz((clock_t)1000000); 1456 1457 mptsas_timeout_id = timeout(mptsas_watch, NULL, mptsas_tick); 1458 mptsas_timeouts_enabled = 1; 1459 } 1460 mutex_exit(&mptsas_global_mutex); 1461 added_watchdog++; 1462 1463 /* 1464 * Initialize PHY info for smhba. 1465 * This requires watchdog to be enabled otherwise if interrupts 1466 * don't work the system will hang. 1467 */ 1468 if (mptsas_smhba_setup(mpt)) { 1469 mptsas_log(mpt, CE_WARN, "mptsas phy initialization " 1470 "failed"); 1471 goto fail; 1472 } 1473 1474 /* Check all dma handles allocated in attach */ 1475 if ((mptsas_check_dma_handle(mpt->m_dma_req_frame_hdl) 1476 != DDI_SUCCESS) || 1477 (mptsas_check_dma_handle(mpt->m_dma_req_sense_hdl) 1478 != DDI_SUCCESS) || 1479 (mptsas_check_dma_handle(mpt->m_dma_reply_frame_hdl) 1480 != DDI_SUCCESS) || 1481 (mptsas_check_dma_handle(mpt->m_dma_free_queue_hdl) 1482 != DDI_SUCCESS) || 1483 (mptsas_check_dma_handle(mpt->m_dma_post_queue_hdl) 1484 != DDI_SUCCESS) || 1485 (mptsas_check_dma_handle(mpt->m_hshk_dma_hdl) 1486 != DDI_SUCCESS)) { 1487 goto fail; 1488 } 1489 1490 /* Check all acc handles allocated in attach */ 1491 if ((mptsas_check_acc_handle(mpt->m_datap) != DDI_SUCCESS) || 1492 (mptsas_check_acc_handle(mpt->m_acc_req_frame_hdl) 1493 != DDI_SUCCESS) || 1494 (mptsas_check_acc_handle(mpt->m_acc_req_sense_hdl) 1495 != DDI_SUCCESS) || 1496 (mptsas_check_acc_handle(mpt->m_acc_reply_frame_hdl) 1497 != DDI_SUCCESS) || 1498 (mptsas_check_acc_handle(mpt->m_acc_free_queue_hdl) 1499 != DDI_SUCCESS) || 1500 (mptsas_check_acc_handle(mpt->m_acc_post_queue_hdl) 1501 != DDI_SUCCESS) || 1502 (mptsas_check_acc_handle(mpt->m_hshk_acc_hdl) 1503 != DDI_SUCCESS) || 1504 (mptsas_check_acc_handle(mpt->m_config_handle) 1505 != DDI_SUCCESS)) { 1506 goto fail; 1507 } 1508 1509 /* 1510 * After this point, we are not going to fail the attach. 1511 */ 1512 1513 /* Print message of HBA present */ 1514 ddi_report_dev(dip); 1515 1516 /* report idle status to pm framework */ 1517 if (mpt->m_options & MPTSAS_OPT_PM) { 1518 (void) pm_idle_component(dip, 0); 1519 } 1520 1521 return (DDI_SUCCESS); 1522 1523 fail: 1524 mptsas_log(mpt, CE_WARN, "attach failed"); 1525 mptsas_fm_ereport(mpt, DDI_FM_DEVICE_NO_RESPONSE); 1526 ddi_fm_service_impact(mpt->m_dip, DDI_SERVICE_LOST); 1527 if (mpt) { 1528 /* deallocate in reverse order */ 1529 if (added_watchdog) { 1530 mptsas_list_del(mpt); 1531 mutex_enter(&mptsas_global_mutex); 1532 1533 if (mptsas_timeout_id && (mptsas_head == NULL)) { 1534 timeout_id_t tid = mptsas_timeout_id; 1535 mptsas_timeouts_enabled = 0; 1536 mptsas_timeout_id = 0; 1537 mutex_exit(&mptsas_global_mutex); 1538 (void) untimeout(tid); 1539 mutex_enter(&mptsas_global_mutex); 1540 } 1541 mutex_exit(&mptsas_global_mutex); 1542 } 1543 1544 mptsas_cache_destroy(mpt); 1545 1546 if (smp_attach_setup) { 1547 mptsas_smp_teardown(mpt); 1548 } 1549 if (hba_attach_setup) { 1550 mptsas_hba_teardown(mpt); 1551 } 1552 1553 if (mpt->m_targets) 1554 refhash_destroy(mpt->m_targets); 1555 if (mpt->m_smp_targets) 1556 refhash_destroy(mpt->m_smp_targets); 1557 1558 if (mpt->m_active) { 1559 mptsas_free_active_slots(mpt); 1560 } 1561 if (intr_added) { 1562 mptsas_unregister_intrs(mpt); 1563 } 1564 1565 if (doneq_thread_create) { 1566 mutex_enter(&mpt->m_doneq_mutex); 1567 doneq_thread_num = mpt->m_doneq_thread_n; 1568 for (j = 0; j < mpt->m_doneq_thread_n; j++) { 1569 mutex_enter(&mpt->m_doneq_thread_id[j].mutex); 1570 mpt->m_doneq_thread_id[j].flag &= 1571 (~MPTSAS_DONEQ_THREAD_ACTIVE); 1572 cv_signal(&mpt->m_doneq_thread_id[j].cv); 1573 mutex_exit(&mpt->m_doneq_thread_id[j].mutex); 1574 } 1575 while (mpt->m_doneq_thread_n) { 1576 cv_wait(&mpt->m_doneq_thread_cv, 1577 &mpt->m_doneq_mutex); 1578 } 1579 for (j = 0; j < doneq_thread_num; j++) { 1580 cv_destroy(&mpt->m_doneq_thread_id[j].cv); 1581 mutex_destroy(&mpt->m_doneq_thread_id[j].mutex); 1582 } 1583 kmem_free(mpt->m_doneq_thread_id, 1584 sizeof (mptsas_doneq_thread_list_t) 1585 * doneq_thread_num); 1586 mutex_exit(&mpt->m_doneq_mutex); 1587 cv_destroy(&mpt->m_doneq_thread_cv); 1588 mutex_destroy(&mpt->m_doneq_mutex); 1589 } 1590 if (event_taskq_create) { 1591 ddi_taskq_destroy(mpt->m_event_taskq); 1592 } 1593 if (dr_taskq_create) { 1594 ddi_taskq_destroy(mpt->m_dr_taskq); 1595 } 1596 if (mutex_init_done) { 1597 mutex_destroy(&mpt->m_tx_waitq_mutex); 1598 mutex_destroy(&mpt->m_passthru_mutex); 1599 mutex_destroy(&mpt->m_mutex); 1600 for (i = 0; i < MPTSAS_MAX_PHYS; i++) { 1601 mutex_destroy( 1602 &mpt->m_phy_info[i].smhba_info.phy_mutex); 1603 } 1604 cv_destroy(&mpt->m_cv); 1605 cv_destroy(&mpt->m_passthru_cv); 1606 cv_destroy(&mpt->m_fw_cv); 1607 cv_destroy(&mpt->m_config_cv); 1608 cv_destroy(&mpt->m_fw_diag_cv); 1609 } 1610 1611 if (map_setup) { 1612 mptsas_cfg_fini(mpt); 1613 } 1614 if (config_setup) { 1615 mptsas_config_space_fini(mpt); 1616 } 1617 mptsas_free_handshake_msg(mpt); 1618 mptsas_hba_fini(mpt); 1619 1620 mptsas_fm_fini(mpt); 1621 ddi_soft_state_free(mptsas_state, instance); 1622 ddi_prop_remove_all(dip); 1623 } 1624 return (DDI_FAILURE); 1625 } 1626 1627 static int 1628 mptsas_suspend(dev_info_t *devi) 1629 { 1630 mptsas_t *mpt, *g; 1631 scsi_hba_tran_t *tran; 1632 1633 if (scsi_hba_iport_unit_address(devi)) { 1634 return (DDI_SUCCESS); 1635 } 1636 1637 if ((tran = ddi_get_driver_private(devi)) == NULL) 1638 return (DDI_SUCCESS); 1639 1640 mpt = TRAN2MPT(tran); 1641 if (!mpt) { 1642 return (DDI_SUCCESS); 1643 } 1644 1645 mutex_enter(&mpt->m_mutex); 1646 1647 if (mpt->m_suspended++) { 1648 mutex_exit(&mpt->m_mutex); 1649 return (DDI_SUCCESS); 1650 } 1651 1652 /* 1653 * Cancel timeout threads for this mpt 1654 */ 1655 if (mpt->m_quiesce_timeid) { 1656 timeout_id_t tid = mpt->m_quiesce_timeid; 1657 mpt->m_quiesce_timeid = 0; 1658 mutex_exit(&mpt->m_mutex); 1659 (void) untimeout(tid); 1660 mutex_enter(&mpt->m_mutex); 1661 } 1662 1663 if (mpt->m_restart_cmd_timeid) { 1664 timeout_id_t tid = mpt->m_restart_cmd_timeid; 1665 mpt->m_restart_cmd_timeid = 0; 1666 mutex_exit(&mpt->m_mutex); 1667 (void) untimeout(tid); 1668 mutex_enter(&mpt->m_mutex); 1669 } 1670 1671 mutex_exit(&mpt->m_mutex); 1672 1673 (void) pm_idle_component(mpt->m_dip, 0); 1674 1675 /* 1676 * Cancel watch threads if all mpts suspended 1677 */ 1678 rw_enter(&mptsas_global_rwlock, RW_WRITER); 1679 for (g = mptsas_head; g != NULL; g = g->m_next) { 1680 if (!g->m_suspended) 1681 break; 1682 } 1683 rw_exit(&mptsas_global_rwlock); 1684 1685 mutex_enter(&mptsas_global_mutex); 1686 if (g == NULL) { 1687 timeout_id_t tid; 1688 1689 mptsas_timeouts_enabled = 0; 1690 if (mptsas_timeout_id) { 1691 tid = mptsas_timeout_id; 1692 mptsas_timeout_id = 0; 1693 mutex_exit(&mptsas_global_mutex); 1694 (void) untimeout(tid); 1695 mutex_enter(&mptsas_global_mutex); 1696 } 1697 if (mptsas_reset_watch) { 1698 tid = mptsas_reset_watch; 1699 mptsas_reset_watch = 0; 1700 mutex_exit(&mptsas_global_mutex); 1701 (void) untimeout(tid); 1702 mutex_enter(&mptsas_global_mutex); 1703 } 1704 } 1705 mutex_exit(&mptsas_global_mutex); 1706 1707 mutex_enter(&mpt->m_mutex); 1708 1709 /* 1710 * If this mpt is not in full power(PM_LEVEL_D0), just return. 1711 */ 1712 if ((mpt->m_options & MPTSAS_OPT_PM) && 1713 (mpt->m_power_level != PM_LEVEL_D0)) { 1714 mutex_exit(&mpt->m_mutex); 1715 return (DDI_SUCCESS); 1716 } 1717 1718 /* Disable HBA interrupts in hardware */ 1719 MPTSAS_DISABLE_INTR(mpt); 1720 /* 1721 * Send RAID action system shutdown to sync IR 1722 */ 1723 mptsas_raid_action_system_shutdown(mpt); 1724 1725 mutex_exit(&mpt->m_mutex); 1726 1727 /* drain the taskq */ 1728 ddi_taskq_wait(mpt->m_event_taskq); 1729 ddi_taskq_wait(mpt->m_dr_taskq); 1730 1731 return (DDI_SUCCESS); 1732 } 1733 1734 #ifdef __sparc 1735 /*ARGSUSED*/ 1736 static int 1737 mptsas_reset(dev_info_t *devi, ddi_reset_cmd_t cmd) 1738 { 1739 mptsas_t *mpt; 1740 scsi_hba_tran_t *tran; 1741 1742 /* 1743 * If this call is for iport, just return. 1744 */ 1745 if (scsi_hba_iport_unit_address(devi)) 1746 return (DDI_SUCCESS); 1747 1748 if ((tran = ddi_get_driver_private(devi)) == NULL) 1749 return (DDI_SUCCESS); 1750 1751 if ((mpt = TRAN2MPT(tran)) == NULL) 1752 return (DDI_SUCCESS); 1753 1754 /* 1755 * Send RAID action system shutdown to sync IR. Disable HBA 1756 * interrupts in hardware first. 1757 */ 1758 MPTSAS_DISABLE_INTR(mpt); 1759 mptsas_raid_action_system_shutdown(mpt); 1760 1761 return (DDI_SUCCESS); 1762 } 1763 #else /* __sparc */ 1764 /* 1765 * quiesce(9E) entry point. 1766 * 1767 * This function is called when the system is single-threaded at high 1768 * PIL with preemption disabled. Therefore, this function must not be 1769 * blocked. 1770 * 1771 * This function returns DDI_SUCCESS on success, or DDI_FAILURE on failure. 1772 * DDI_FAILURE indicates an error condition and should almost never happen. 1773 */ 1774 static int 1775 mptsas_quiesce(dev_info_t *devi) 1776 { 1777 mptsas_t *mpt; 1778 scsi_hba_tran_t *tran; 1779 1780 /* 1781 * If this call is for iport, just return. 1782 */ 1783 if (scsi_hba_iport_unit_address(devi)) 1784 return (DDI_SUCCESS); 1785 1786 if ((tran = ddi_get_driver_private(devi)) == NULL) 1787 return (DDI_SUCCESS); 1788 1789 if ((mpt = TRAN2MPT(tran)) == NULL) 1790 return (DDI_SUCCESS); 1791 1792 /* Disable HBA interrupts in hardware */ 1793 MPTSAS_DISABLE_INTR(mpt); 1794 /* Send RAID action system shutdonw to sync IR */ 1795 mptsas_raid_action_system_shutdown(mpt); 1796 1797 return (DDI_SUCCESS); 1798 } 1799 #endif /* __sparc */ 1800 1801 /* 1802 * detach(9E). Remove all device allocations and system resources; 1803 * disable device interrupts. 1804 * Return DDI_SUCCESS if done; DDI_FAILURE if there's a problem. 1805 */ 1806 static int 1807 mptsas_detach(dev_info_t *devi, ddi_detach_cmd_t cmd) 1808 { 1809 /* CONSTCOND */ 1810 ASSERT(NO_COMPETING_THREADS); 1811 NDBG0(("mptsas_detach: dip=0x%p cmd=0x%p", (void *)devi, (void *)cmd)); 1812 1813 switch (cmd) { 1814 case DDI_DETACH: 1815 return (mptsas_do_detach(devi)); 1816 1817 case DDI_SUSPEND: 1818 return (mptsas_suspend(devi)); 1819 1820 default: 1821 return (DDI_FAILURE); 1822 } 1823 /* NOTREACHED */ 1824 } 1825 1826 static int 1827 mptsas_do_detach(dev_info_t *dip) 1828 { 1829 mptsas_t *mpt; 1830 scsi_hba_tran_t *tran; 1831 int circ = 0; 1832 int circ1 = 0; 1833 mdi_pathinfo_t *pip = NULL; 1834 int i; 1835 int doneq_thread_num = 0; 1836 1837 NDBG0(("mptsas_do_detach: dip=0x%p", (void *)dip)); 1838 1839 if ((tran = ndi_flavorv_get(dip, SCSA_FLAVOR_SCSI_DEVICE)) == NULL) 1840 return (DDI_FAILURE); 1841 1842 mpt = TRAN2MPT(tran); 1843 if (!mpt) { 1844 return (DDI_FAILURE); 1845 } 1846 /* 1847 * Still have pathinfo child, should not detach mpt driver 1848 */ 1849 if (scsi_hba_iport_unit_address(dip)) { 1850 if (mpt->m_mpxio_enable) { 1851 /* 1852 * MPxIO enabled for the iport 1853 */ 1854 ndi_devi_enter(scsi_vhci_dip, &circ1); 1855 ndi_devi_enter(dip, &circ); 1856 while (pip = mdi_get_next_client_path(dip, NULL)) { 1857 if (mdi_pi_free(pip, 0) == MDI_SUCCESS) { 1858 continue; 1859 } 1860 ndi_devi_exit(dip, circ); 1861 ndi_devi_exit(scsi_vhci_dip, circ1); 1862 NDBG12(("detach failed because of " 1863 "outstanding path info")); 1864 return (DDI_FAILURE); 1865 } 1866 ndi_devi_exit(dip, circ); 1867 ndi_devi_exit(scsi_vhci_dip, circ1); 1868 (void) mdi_phci_unregister(dip, 0); 1869 } 1870 1871 ddi_prop_remove_all(dip); 1872 1873 return (DDI_SUCCESS); 1874 } 1875 1876 /* Make sure power level is D0 before accessing registers */ 1877 if (mpt->m_options & MPTSAS_OPT_PM) { 1878 (void) pm_busy_component(dip, 0); 1879 if (mpt->m_power_level != PM_LEVEL_D0) { 1880 if (pm_raise_power(dip, 0, PM_LEVEL_D0) != 1881 DDI_SUCCESS) { 1882 mptsas_log(mpt, CE_WARN, 1883 "mptsas%d: Raise power request failed.", 1884 mpt->m_instance); 1885 (void) pm_idle_component(dip, 0); 1886 return (DDI_FAILURE); 1887 } 1888 } 1889 } 1890 1891 /* 1892 * Send RAID action system shutdown to sync IR. After action, send a 1893 * Message Unit Reset. Since after that DMA resource will be freed, 1894 * set ioc to READY state will avoid HBA initiated DMA operation. 1895 */ 1896 mutex_enter(&mpt->m_mutex); 1897 MPTSAS_DISABLE_INTR(mpt); 1898 mptsas_raid_action_system_shutdown(mpt); 1899 mpt->m_softstate |= MPTSAS_SS_MSG_UNIT_RESET; 1900 (void) mptsas_ioc_reset(mpt, FALSE); 1901 mutex_exit(&mpt->m_mutex); 1902 mptsas_rem_intrs(mpt); 1903 ddi_taskq_destroy(mpt->m_event_taskq); 1904 ddi_taskq_destroy(mpt->m_dr_taskq); 1905 1906 if (mpt->m_doneq_thread_n) { 1907 mutex_enter(&mpt->m_doneq_mutex); 1908 doneq_thread_num = mpt->m_doneq_thread_n; 1909 for (i = 0; i < mpt->m_doneq_thread_n; i++) { 1910 mutex_enter(&mpt->m_doneq_thread_id[i].mutex); 1911 mpt->m_doneq_thread_id[i].flag &= 1912 (~MPTSAS_DONEQ_THREAD_ACTIVE); 1913 cv_signal(&mpt->m_doneq_thread_id[i].cv); 1914 mutex_exit(&mpt->m_doneq_thread_id[i].mutex); 1915 } 1916 while (mpt->m_doneq_thread_n) { 1917 cv_wait(&mpt->m_doneq_thread_cv, 1918 &mpt->m_doneq_mutex); 1919 } 1920 for (i = 0; i < doneq_thread_num; i++) { 1921 cv_destroy(&mpt->m_doneq_thread_id[i].cv); 1922 mutex_destroy(&mpt->m_doneq_thread_id[i].mutex); 1923 } 1924 kmem_free(mpt->m_doneq_thread_id, 1925 sizeof (mptsas_doneq_thread_list_t) 1926 * doneq_thread_num); 1927 mutex_exit(&mpt->m_doneq_mutex); 1928 cv_destroy(&mpt->m_doneq_thread_cv); 1929 mutex_destroy(&mpt->m_doneq_mutex); 1930 } 1931 1932 scsi_hba_reset_notify_tear_down(mpt->m_reset_notify_listf); 1933 1934 mptsas_list_del(mpt); 1935 1936 /* 1937 * Cancel timeout threads for this mpt 1938 */ 1939 mutex_enter(&mpt->m_mutex); 1940 if (mpt->m_quiesce_timeid) { 1941 timeout_id_t tid = mpt->m_quiesce_timeid; 1942 mpt->m_quiesce_timeid = 0; 1943 mutex_exit(&mpt->m_mutex); 1944 (void) untimeout(tid); 1945 mutex_enter(&mpt->m_mutex); 1946 } 1947 1948 if (mpt->m_restart_cmd_timeid) { 1949 timeout_id_t tid = mpt->m_restart_cmd_timeid; 1950 mpt->m_restart_cmd_timeid = 0; 1951 mutex_exit(&mpt->m_mutex); 1952 (void) untimeout(tid); 1953 mutex_enter(&mpt->m_mutex); 1954 } 1955 1956 mutex_exit(&mpt->m_mutex); 1957 1958 /* 1959 * last mpt? ... if active, CANCEL watch threads. 1960 */ 1961 mutex_enter(&mptsas_global_mutex); 1962 if (mptsas_head == NULL) { 1963 timeout_id_t tid; 1964 /* 1965 * Clear mptsas_timeouts_enable so that the watch thread 1966 * gets restarted on DDI_ATTACH 1967 */ 1968 mptsas_timeouts_enabled = 0; 1969 if (mptsas_timeout_id) { 1970 tid = mptsas_timeout_id; 1971 mptsas_timeout_id = 0; 1972 mutex_exit(&mptsas_global_mutex); 1973 (void) untimeout(tid); 1974 mutex_enter(&mptsas_global_mutex); 1975 } 1976 if (mptsas_reset_watch) { 1977 tid = mptsas_reset_watch; 1978 mptsas_reset_watch = 0; 1979 mutex_exit(&mptsas_global_mutex); 1980 (void) untimeout(tid); 1981 mutex_enter(&mptsas_global_mutex); 1982 } 1983 } 1984 mutex_exit(&mptsas_global_mutex); 1985 1986 /* 1987 * Delete Phy stats 1988 */ 1989 mptsas_destroy_phy_stats(mpt); 1990 1991 mptsas_destroy_hashes(mpt); 1992 1993 /* 1994 * Delete nt_active. 1995 */ 1996 mutex_enter(&mpt->m_mutex); 1997 mptsas_free_active_slots(mpt); 1998 mutex_exit(&mpt->m_mutex); 1999 2000 /* deallocate everything that was allocated in mptsas_attach */ 2001 mptsas_cache_destroy(mpt); 2002 2003 mptsas_hba_fini(mpt); 2004 mptsas_cfg_fini(mpt); 2005 2006 /* Lower the power informing PM Framework */ 2007 if (mpt->m_options & MPTSAS_OPT_PM) { 2008 if (pm_lower_power(dip, 0, PM_LEVEL_D3) != DDI_SUCCESS) 2009 mptsas_log(mpt, CE_WARN, 2010 "!mptsas%d: Lower power request failed " 2011 "during detach, ignoring.", 2012 mpt->m_instance); 2013 } 2014 2015 mutex_destroy(&mpt->m_tx_waitq_mutex); 2016 mutex_destroy(&mpt->m_passthru_mutex); 2017 mutex_destroy(&mpt->m_mutex); 2018 for (i = 0; i < MPTSAS_MAX_PHYS; i++) { 2019 mutex_destroy(&mpt->m_phy_info[i].smhba_info.phy_mutex); 2020 } 2021 cv_destroy(&mpt->m_cv); 2022 cv_destroy(&mpt->m_passthru_cv); 2023 cv_destroy(&mpt->m_fw_cv); 2024 cv_destroy(&mpt->m_config_cv); 2025 cv_destroy(&mpt->m_fw_diag_cv); 2026 2027 2028 mptsas_smp_teardown(mpt); 2029 mptsas_hba_teardown(mpt); 2030 2031 mptsas_config_space_fini(mpt); 2032 2033 mptsas_free_handshake_msg(mpt); 2034 2035 mptsas_fm_fini(mpt); 2036 ddi_soft_state_free(mptsas_state, ddi_get_instance(dip)); 2037 ddi_prop_remove_all(dip); 2038 2039 return (DDI_SUCCESS); 2040 } 2041 2042 static void 2043 mptsas_list_add(mptsas_t *mpt) 2044 { 2045 rw_enter(&mptsas_global_rwlock, RW_WRITER); 2046 2047 if (mptsas_head == NULL) { 2048 mptsas_head = mpt; 2049 } else { 2050 mptsas_tail->m_next = mpt; 2051 } 2052 mptsas_tail = mpt; 2053 rw_exit(&mptsas_global_rwlock); 2054 } 2055 2056 static void 2057 mptsas_list_del(mptsas_t *mpt) 2058 { 2059 mptsas_t *m; 2060 /* 2061 * Remove device instance from the global linked list 2062 */ 2063 rw_enter(&mptsas_global_rwlock, RW_WRITER); 2064 if (mptsas_head == mpt) { 2065 m = mptsas_head = mpt->m_next; 2066 } else { 2067 for (m = mptsas_head; m != NULL; m = m->m_next) { 2068 if (m->m_next == mpt) { 2069 m->m_next = mpt->m_next; 2070 break; 2071 } 2072 } 2073 if (m == NULL) { 2074 mptsas_log(mpt, CE_PANIC, "Not in softc list!"); 2075 } 2076 } 2077 2078 if (mptsas_tail == mpt) { 2079 mptsas_tail = m; 2080 } 2081 rw_exit(&mptsas_global_rwlock); 2082 } 2083 2084 static int 2085 mptsas_alloc_handshake_msg(mptsas_t *mpt, size_t alloc_size) 2086 { 2087 ddi_dma_attr_t task_dma_attrs; 2088 2089 mpt->m_hshk_dma_size = 0; 2090 task_dma_attrs = mpt->m_msg_dma_attr; 2091 task_dma_attrs.dma_attr_sgllen = 1; 2092 task_dma_attrs.dma_attr_granular = (uint32_t)(alloc_size); 2093 2094 /* allocate Task Management ddi_dma resources */ 2095 if (mptsas_dma_addr_create(mpt, task_dma_attrs, 2096 &mpt->m_hshk_dma_hdl, &mpt->m_hshk_acc_hdl, &mpt->m_hshk_memp, 2097 alloc_size, NULL) == FALSE) { 2098 return (DDI_FAILURE); 2099 } 2100 mpt->m_hshk_dma_size = alloc_size; 2101 2102 return (DDI_SUCCESS); 2103 } 2104 2105 static void 2106 mptsas_free_handshake_msg(mptsas_t *mpt) 2107 { 2108 if (mpt->m_hshk_dma_size == 0) 2109 return; 2110 mptsas_dma_addr_destroy(&mpt->m_hshk_dma_hdl, &mpt->m_hshk_acc_hdl); 2111 mpt->m_hshk_dma_size = 0; 2112 } 2113 2114 static int 2115 mptsas_hba_setup(mptsas_t *mpt) 2116 { 2117 scsi_hba_tran_t *hba_tran; 2118 int tran_flags; 2119 2120 /* Allocate a transport structure */ 2121 hba_tran = mpt->m_tran = scsi_hba_tran_alloc(mpt->m_dip, 2122 SCSI_HBA_CANSLEEP); 2123 ASSERT(mpt->m_tran != NULL); 2124 2125 hba_tran->tran_hba_private = mpt; 2126 hba_tran->tran_tgt_private = NULL; 2127 2128 hba_tran->tran_tgt_init = mptsas_scsi_tgt_init; 2129 hba_tran->tran_tgt_free = mptsas_scsi_tgt_free; 2130 2131 hba_tran->tran_start = mptsas_scsi_start; 2132 hba_tran->tran_reset = mptsas_scsi_reset; 2133 hba_tran->tran_abort = mptsas_scsi_abort; 2134 hba_tran->tran_getcap = mptsas_scsi_getcap; 2135 hba_tran->tran_setcap = mptsas_scsi_setcap; 2136 hba_tran->tran_init_pkt = mptsas_scsi_init_pkt; 2137 hba_tran->tran_destroy_pkt = mptsas_scsi_destroy_pkt; 2138 2139 hba_tran->tran_dmafree = mptsas_scsi_dmafree; 2140 hba_tran->tran_sync_pkt = mptsas_scsi_sync_pkt; 2141 hba_tran->tran_reset_notify = mptsas_scsi_reset_notify; 2142 2143 hba_tran->tran_get_bus_addr = mptsas_get_bus_addr; 2144 hba_tran->tran_get_name = mptsas_get_name; 2145 2146 hba_tran->tran_quiesce = mptsas_scsi_quiesce; 2147 hba_tran->tran_unquiesce = mptsas_scsi_unquiesce; 2148 hba_tran->tran_bus_reset = NULL; 2149 2150 hba_tran->tran_add_eventcall = NULL; 2151 hba_tran->tran_get_eventcookie = NULL; 2152 hba_tran->tran_post_event = NULL; 2153 hba_tran->tran_remove_eventcall = NULL; 2154 2155 hba_tran->tran_bus_config = mptsas_bus_config; 2156 2157 hba_tran->tran_interconnect_type = INTERCONNECT_SAS; 2158 2159 /* 2160 * All children of the HBA are iports. We need tran was cloned. 2161 * So we pass the flags to SCSA. SCSI_HBA_TRAN_CLONE will be 2162 * inherited to iport's tran vector. 2163 */ 2164 tran_flags = (SCSI_HBA_HBA | SCSI_HBA_TRAN_CLONE); 2165 2166 if (scsi_hba_attach_setup(mpt->m_dip, &mpt->m_msg_dma_attr, 2167 hba_tran, tran_flags) != DDI_SUCCESS) { 2168 mptsas_log(mpt, CE_WARN, "hba attach setup failed"); 2169 scsi_hba_tran_free(hba_tran); 2170 mpt->m_tran = NULL; 2171 return (FALSE); 2172 } 2173 return (TRUE); 2174 } 2175 2176 static void 2177 mptsas_hba_teardown(mptsas_t *mpt) 2178 { 2179 (void) scsi_hba_detach(mpt->m_dip); 2180 if (mpt->m_tran != NULL) { 2181 scsi_hba_tran_free(mpt->m_tran); 2182 mpt->m_tran = NULL; 2183 } 2184 } 2185 2186 static void 2187 mptsas_iport_register(mptsas_t *mpt) 2188 { 2189 int i, j; 2190 mptsas_phymask_t mask = 0x0; 2191 /* 2192 * initial value of mask is 0 2193 */ 2194 mutex_enter(&mpt->m_mutex); 2195 for (i = 0; i < mpt->m_num_phys; i++) { 2196 mptsas_phymask_t phy_mask = 0x0; 2197 char phy_mask_name[MPTSAS_MAX_PHYS]; 2198 uint8_t current_port; 2199 2200 if (mpt->m_phy_info[i].attached_devhdl == 0) 2201 continue; 2202 2203 bzero(phy_mask_name, sizeof (phy_mask_name)); 2204 2205 current_port = mpt->m_phy_info[i].port_num; 2206 2207 if ((mask & (1 << i)) != 0) 2208 continue; 2209 2210 for (j = 0; j < mpt->m_num_phys; j++) { 2211 if (mpt->m_phy_info[j].attached_devhdl && 2212 (mpt->m_phy_info[j].port_num == current_port)) { 2213 phy_mask |= (1 << j); 2214 } 2215 } 2216 mask = mask | phy_mask; 2217 2218 for (j = 0; j < mpt->m_num_phys; j++) { 2219 if ((phy_mask >> j) & 0x01) { 2220 mpt->m_phy_info[j].phy_mask = phy_mask; 2221 } 2222 } 2223 2224 (void) sprintf(phy_mask_name, "%x", phy_mask); 2225 2226 mutex_exit(&mpt->m_mutex); 2227 /* 2228 * register a iport 2229 */ 2230 (void) scsi_hba_iport_register(mpt->m_dip, phy_mask_name); 2231 mutex_enter(&mpt->m_mutex); 2232 } 2233 mutex_exit(&mpt->m_mutex); 2234 /* 2235 * register a virtual port for RAID volume always 2236 */ 2237 (void) scsi_hba_iport_register(mpt->m_dip, "v0"); 2238 2239 } 2240 2241 static int 2242 mptsas_smp_setup(mptsas_t *mpt) 2243 { 2244 mpt->m_smptran = smp_hba_tran_alloc(mpt->m_dip); 2245 ASSERT(mpt->m_smptran != NULL); 2246 mpt->m_smptran->smp_tran_hba_private = mpt; 2247 mpt->m_smptran->smp_tran_start = mptsas_smp_start; 2248 if (smp_hba_attach_setup(mpt->m_dip, mpt->m_smptran) != DDI_SUCCESS) { 2249 mptsas_log(mpt, CE_WARN, "smp attach setup failed"); 2250 smp_hba_tran_free(mpt->m_smptran); 2251 mpt->m_smptran = NULL; 2252 return (FALSE); 2253 } 2254 /* 2255 * Initialize smp hash table 2256 */ 2257 mpt->m_smp_targets = refhash_create(MPTSAS_SMP_BUCKET_COUNT, 2258 mptsas_target_addr_hash, mptsas_target_addr_cmp, 2259 mptsas_smp_free, sizeof (mptsas_smp_t), 2260 offsetof(mptsas_smp_t, m_link), offsetof(mptsas_smp_t, m_addr), 2261 KM_SLEEP); 2262 mpt->m_smp_devhdl = 0xFFFF; 2263 2264 return (TRUE); 2265 } 2266 2267 static void 2268 mptsas_smp_teardown(mptsas_t *mpt) 2269 { 2270 (void) smp_hba_detach(mpt->m_dip); 2271 if (mpt->m_smptran != NULL) { 2272 smp_hba_tran_free(mpt->m_smptran); 2273 mpt->m_smptran = NULL; 2274 } 2275 mpt->m_smp_devhdl = 0; 2276 } 2277 2278 static int 2279 mptsas_cache_create(mptsas_t *mpt) 2280 { 2281 int instance = mpt->m_instance; 2282 char buf[64]; 2283 2284 /* 2285 * create kmem cache for packets 2286 */ 2287 (void) sprintf(buf, "mptsas%d_cache", instance); 2288 mpt->m_kmem_cache = kmem_cache_create(buf, 2289 sizeof (struct mptsas_cmd) + scsi_pkt_size(), 8, 2290 mptsas_kmem_cache_constructor, mptsas_kmem_cache_destructor, 2291 NULL, (void *)mpt, NULL, 0); 2292 2293 if (mpt->m_kmem_cache == NULL) { 2294 mptsas_log(mpt, CE_WARN, "creating kmem cache failed"); 2295 return (FALSE); 2296 } 2297 2298 /* 2299 * create kmem cache for extra SGL frames if SGL cannot 2300 * be accomodated into main request frame. 2301 */ 2302 (void) sprintf(buf, "mptsas%d_cache_frames", instance); 2303 mpt->m_cache_frames = kmem_cache_create(buf, 2304 sizeof (mptsas_cache_frames_t), 8, 2305 mptsas_cache_frames_constructor, mptsas_cache_frames_destructor, 2306 NULL, (void *)mpt, NULL, 0); 2307 2308 if (mpt->m_cache_frames == NULL) { 2309 mptsas_log(mpt, CE_WARN, "creating cache for frames failed"); 2310 return (FALSE); 2311 } 2312 2313 return (TRUE); 2314 } 2315 2316 static void 2317 mptsas_cache_destroy(mptsas_t *mpt) 2318 { 2319 /* deallocate in reverse order */ 2320 if (mpt->m_cache_frames) { 2321 kmem_cache_destroy(mpt->m_cache_frames); 2322 mpt->m_cache_frames = NULL; 2323 } 2324 if (mpt->m_kmem_cache) { 2325 kmem_cache_destroy(mpt->m_kmem_cache); 2326 mpt->m_kmem_cache = NULL; 2327 } 2328 } 2329 2330 static int 2331 mptsas_power(dev_info_t *dip, int component, int level) 2332 { 2333 #ifndef __lock_lint 2334 _NOTE(ARGUNUSED(component)) 2335 #endif 2336 mptsas_t *mpt; 2337 int rval = DDI_SUCCESS; 2338 int polls = 0; 2339 uint32_t ioc_status; 2340 2341 if (scsi_hba_iport_unit_address(dip) != 0) 2342 return (DDI_SUCCESS); 2343 2344 mpt = ddi_get_soft_state(mptsas_state, ddi_get_instance(dip)); 2345 if (mpt == NULL) { 2346 return (DDI_FAILURE); 2347 } 2348 2349 mutex_enter(&mpt->m_mutex); 2350 2351 /* 2352 * If the device is busy, don't lower its power level 2353 */ 2354 if (mpt->m_busy && (mpt->m_power_level > level)) { 2355 mutex_exit(&mpt->m_mutex); 2356 return (DDI_FAILURE); 2357 } 2358 switch (level) { 2359 case PM_LEVEL_D0: 2360 NDBG11(("mptsas%d: turning power ON.", mpt->m_instance)); 2361 MPTSAS_POWER_ON(mpt); 2362 /* 2363 * Wait up to 30 seconds for IOC to come out of reset. 2364 */ 2365 while (((ioc_status = ddi_get32(mpt->m_datap, 2366 &mpt->m_reg->Doorbell)) & 2367 MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_RESET) { 2368 if (polls++ > 3000) { 2369 break; 2370 } 2371 delay(drv_usectohz(10000)); 2372 } 2373 /* 2374 * If IOC is not in operational state, try to hard reset it. 2375 */ 2376 if ((ioc_status & MPI2_IOC_STATE_MASK) != 2377 MPI2_IOC_STATE_OPERATIONAL) { 2378 mpt->m_softstate &= ~MPTSAS_SS_MSG_UNIT_RESET; 2379 if (mptsas_restart_ioc(mpt) == DDI_FAILURE) { 2380 mptsas_log(mpt, CE_WARN, 2381 "mptsas_power: hard reset failed"); 2382 mutex_exit(&mpt->m_mutex); 2383 return (DDI_FAILURE); 2384 } 2385 } 2386 mpt->m_power_level = PM_LEVEL_D0; 2387 break; 2388 case PM_LEVEL_D3: 2389 NDBG11(("mptsas%d: turning power OFF.", mpt->m_instance)); 2390 MPTSAS_POWER_OFF(mpt); 2391 break; 2392 default: 2393 mptsas_log(mpt, CE_WARN, "mptsas%d: unknown power level <%x>.", 2394 mpt->m_instance, level); 2395 rval = DDI_FAILURE; 2396 break; 2397 } 2398 mutex_exit(&mpt->m_mutex); 2399 return (rval); 2400 } 2401 2402 /* 2403 * Initialize configuration space and figure out which 2404 * chip and revison of the chip the mpt driver is using. 2405 */ 2406 static int 2407 mptsas_config_space_init(mptsas_t *mpt) 2408 { 2409 NDBG0(("mptsas_config_space_init")); 2410 2411 if (mpt->m_config_handle != NULL) 2412 return (TRUE); 2413 2414 if (pci_config_setup(mpt->m_dip, 2415 &mpt->m_config_handle) != DDI_SUCCESS) { 2416 mptsas_log(mpt, CE_WARN, "cannot map configuration space."); 2417 return (FALSE); 2418 } 2419 2420 /* 2421 * This is a workaround for a XMITS ASIC bug which does not 2422 * drive the CBE upper bits. 2423 */ 2424 if (pci_config_get16(mpt->m_config_handle, PCI_CONF_STAT) & 2425 PCI_STAT_PERROR) { 2426 pci_config_put16(mpt->m_config_handle, PCI_CONF_STAT, 2427 PCI_STAT_PERROR); 2428 } 2429 2430 mptsas_setup_cmd_reg(mpt); 2431 2432 /* 2433 * Get the chip device id: 2434 */ 2435 mpt->m_devid = pci_config_get16(mpt->m_config_handle, PCI_CONF_DEVID); 2436 2437 /* 2438 * Save the revision. 2439 */ 2440 mpt->m_revid = pci_config_get8(mpt->m_config_handle, PCI_CONF_REVID); 2441 2442 /* 2443 * Save the SubSystem Vendor and Device IDs 2444 */ 2445 mpt->m_svid = pci_config_get16(mpt->m_config_handle, PCI_CONF_SUBVENID); 2446 mpt->m_ssid = pci_config_get16(mpt->m_config_handle, PCI_CONF_SUBSYSID); 2447 2448 /* 2449 * Set the latency timer to 0x40 as specified by the upa -> pci 2450 * bridge chip design team. This may be done by the sparc pci 2451 * bus nexus driver, but the driver should make sure the latency 2452 * timer is correct for performance reasons. 2453 */ 2454 pci_config_put8(mpt->m_config_handle, PCI_CONF_LATENCY_TIMER, 2455 MPTSAS_LATENCY_TIMER); 2456 2457 (void) mptsas_get_pci_cap(mpt); 2458 return (TRUE); 2459 } 2460 2461 static void 2462 mptsas_config_space_fini(mptsas_t *mpt) 2463 { 2464 if (mpt->m_config_handle != NULL) { 2465 mptsas_disable_bus_master(mpt); 2466 pci_config_teardown(&mpt->m_config_handle); 2467 mpt->m_config_handle = NULL; 2468 } 2469 } 2470 2471 static void 2472 mptsas_setup_cmd_reg(mptsas_t *mpt) 2473 { 2474 ushort_t cmdreg; 2475 2476 /* 2477 * Set the command register to the needed values. 2478 */ 2479 cmdreg = pci_config_get16(mpt->m_config_handle, PCI_CONF_COMM); 2480 cmdreg |= (PCI_COMM_ME | PCI_COMM_SERR_ENABLE | 2481 PCI_COMM_PARITY_DETECT | PCI_COMM_MAE); 2482 cmdreg &= ~PCI_COMM_IO; 2483 pci_config_put16(mpt->m_config_handle, PCI_CONF_COMM, cmdreg); 2484 } 2485 2486 static void 2487 mptsas_disable_bus_master(mptsas_t *mpt) 2488 { 2489 ushort_t cmdreg; 2490 2491 /* 2492 * Clear the master enable bit in the PCI command register. 2493 * This prevents any bus mastering activity like DMA. 2494 */ 2495 cmdreg = pci_config_get16(mpt->m_config_handle, PCI_CONF_COMM); 2496 cmdreg &= ~PCI_COMM_ME; 2497 pci_config_put16(mpt->m_config_handle, PCI_CONF_COMM, cmdreg); 2498 } 2499 2500 int 2501 mptsas_dma_alloc(mptsas_t *mpt, mptsas_dma_alloc_state_t *dma_statep) 2502 { 2503 ddi_dma_attr_t attrs; 2504 2505 attrs = mpt->m_io_dma_attr; 2506 attrs.dma_attr_sgllen = 1; 2507 2508 ASSERT(dma_statep != NULL); 2509 2510 if (mptsas_dma_addr_create(mpt, attrs, &dma_statep->handle, 2511 &dma_statep->accessp, &dma_statep->memp, dma_statep->size, 2512 &dma_statep->cookie) == FALSE) { 2513 return (DDI_FAILURE); 2514 } 2515 2516 return (DDI_SUCCESS); 2517 } 2518 2519 void 2520 mptsas_dma_free(mptsas_dma_alloc_state_t *dma_statep) 2521 { 2522 ASSERT(dma_statep != NULL); 2523 mptsas_dma_addr_destroy(&dma_statep->handle, &dma_statep->accessp); 2524 dma_statep->size = 0; 2525 } 2526 2527 int 2528 mptsas_do_dma(mptsas_t *mpt, uint32_t size, int var, int (*callback)()) 2529 { 2530 ddi_dma_attr_t attrs; 2531 ddi_dma_handle_t dma_handle; 2532 caddr_t memp; 2533 ddi_acc_handle_t accessp; 2534 int rval; 2535 2536 ASSERT(mutex_owned(&mpt->m_mutex)); 2537 2538 attrs = mpt->m_msg_dma_attr; 2539 attrs.dma_attr_sgllen = 1; 2540 attrs.dma_attr_granular = size; 2541 2542 if (mptsas_dma_addr_create(mpt, attrs, &dma_handle, 2543 &accessp, &memp, size, NULL) == FALSE) { 2544 return (DDI_FAILURE); 2545 } 2546 2547 rval = (*callback) (mpt, memp, var, accessp); 2548 2549 if ((mptsas_check_dma_handle(dma_handle) != DDI_SUCCESS) || 2550 (mptsas_check_acc_handle(accessp) != DDI_SUCCESS)) { 2551 ddi_fm_service_impact(mpt->m_dip, DDI_SERVICE_UNAFFECTED); 2552 rval = DDI_FAILURE; 2553 } 2554 2555 mptsas_dma_addr_destroy(&dma_handle, &accessp); 2556 return (rval); 2557 2558 } 2559 2560 static int 2561 mptsas_alloc_request_frames(mptsas_t *mpt) 2562 { 2563 ddi_dma_attr_t frame_dma_attrs; 2564 caddr_t memp; 2565 ddi_dma_cookie_t cookie; 2566 size_t mem_size; 2567 2568 /* 2569 * re-alloc when it has already alloced 2570 */ 2571 if (mpt->m_dma_req_frame_hdl) 2572 mptsas_dma_addr_destroy(&mpt->m_dma_req_frame_hdl, 2573 &mpt->m_acc_req_frame_hdl); 2574 2575 /* 2576 * The size of the request frame pool is: 2577 * Number of Request Frames * Request Frame Size 2578 */ 2579 mem_size = mpt->m_max_requests * mpt->m_req_frame_size; 2580 2581 /* 2582 * set the DMA attributes. System Request Message Frames must be 2583 * aligned on a 16-byte boundry. 2584 */ 2585 frame_dma_attrs = mpt->m_msg_dma_attr; 2586 frame_dma_attrs.dma_attr_align = 16; 2587 frame_dma_attrs.dma_attr_sgllen = 1; 2588 2589 /* 2590 * allocate the request frame pool. 2591 */ 2592 if (mptsas_dma_addr_create(mpt, frame_dma_attrs, 2593 &mpt->m_dma_req_frame_hdl, &mpt->m_acc_req_frame_hdl, &memp, 2594 mem_size, &cookie) == FALSE) { 2595 return (DDI_FAILURE); 2596 } 2597 2598 /* 2599 * Store the request frame memory address. This chip uses this 2600 * address to dma to and from the driver's frame. The second 2601 * address is the address mpt uses to fill in the frame. 2602 */ 2603 mpt->m_req_frame_dma_addr = cookie.dmac_laddress; 2604 mpt->m_req_frame = memp; 2605 2606 /* 2607 * Clear the request frame pool. 2608 */ 2609 bzero(mpt->m_req_frame, mem_size); 2610 2611 return (DDI_SUCCESS); 2612 } 2613 2614 static int 2615 mptsas_alloc_sense_bufs(mptsas_t *mpt) 2616 { 2617 ddi_dma_attr_t sense_dma_attrs; 2618 caddr_t memp; 2619 ddi_dma_cookie_t cookie; 2620 size_t mem_size; 2621 int num_extrqsense_bufs; 2622 2623 /* 2624 * re-alloc when it has already alloced 2625 */ 2626 if (mpt->m_dma_req_sense_hdl) { 2627 rmfreemap(mpt->m_erqsense_map); 2628 mptsas_dma_addr_destroy(&mpt->m_dma_req_sense_hdl, 2629 &mpt->m_acc_req_sense_hdl); 2630 } 2631 2632 /* 2633 * The size of the request sense pool is: 2634 * (Number of Request Frames - 2 ) * Request Sense Size + 2635 * extra memory for extended sense requests. 2636 */ 2637 mem_size = ((mpt->m_max_requests - 2) * mpt->m_req_sense_size) + 2638 mptsas_extreq_sense_bufsize; 2639 2640 /* 2641 * set the DMA attributes. ARQ buffers 2642 * aligned on a 16-byte boundry. 2643 */ 2644 sense_dma_attrs = mpt->m_msg_dma_attr; 2645 sense_dma_attrs.dma_attr_align = 16; 2646 sense_dma_attrs.dma_attr_sgllen = 1; 2647 2648 /* 2649 * allocate the request sense buffer pool. 2650 */ 2651 if (mptsas_dma_addr_create(mpt, sense_dma_attrs, 2652 &mpt->m_dma_req_sense_hdl, &mpt->m_acc_req_sense_hdl, &memp, 2653 mem_size, &cookie) == FALSE) { 2654 return (DDI_FAILURE); 2655 } 2656 2657 /* 2658 * Store the request sense base memory address. This chip uses this 2659 * address to dma the request sense data. The second 2660 * address is the address mpt uses to access the data. 2661 * The third is the base for the extended rqsense buffers. 2662 */ 2663 mpt->m_req_sense_dma_addr = cookie.dmac_laddress; 2664 mpt->m_req_sense = memp; 2665 memp += (mpt->m_max_requests - 2) * mpt->m_req_sense_size; 2666 mpt->m_extreq_sense = memp; 2667 2668 /* 2669 * The extra memory is divided up into multiples of the base 2670 * buffer size in order to allocate via rmalloc(). 2671 * Note that the rmallocmap cannot start at zero! 2672 */ 2673 num_extrqsense_bufs = mptsas_extreq_sense_bufsize / 2674 mpt->m_req_sense_size; 2675 mpt->m_erqsense_map = rmallocmap_wait(num_extrqsense_bufs); 2676 rmfree(mpt->m_erqsense_map, num_extrqsense_bufs, 1); 2677 2678 /* 2679 * Clear the pool. 2680 */ 2681 bzero(mpt->m_req_sense, mem_size); 2682 2683 return (DDI_SUCCESS); 2684 } 2685 2686 static int 2687 mptsas_alloc_reply_frames(mptsas_t *mpt) 2688 { 2689 ddi_dma_attr_t frame_dma_attrs; 2690 caddr_t memp; 2691 ddi_dma_cookie_t cookie; 2692 size_t mem_size; 2693 2694 /* 2695 * re-alloc when it has already alloced 2696 */ 2697 if (mpt->m_dma_reply_frame_hdl) { 2698 mptsas_dma_addr_destroy(&mpt->m_dma_reply_frame_hdl, 2699 &mpt->m_acc_reply_frame_hdl); 2700 } 2701 2702 /* 2703 * The size of the reply frame pool is: 2704 * Number of Reply Frames * Reply Frame Size 2705 */ 2706 mem_size = mpt->m_max_replies * mpt->m_reply_frame_size; 2707 2708 /* 2709 * set the DMA attributes. System Reply Message Frames must be 2710 * aligned on a 4-byte boundry. This is the default. 2711 */ 2712 frame_dma_attrs = mpt->m_msg_dma_attr; 2713 frame_dma_attrs.dma_attr_sgllen = 1; 2714 2715 /* 2716 * allocate the reply frame pool 2717 */ 2718 if (mptsas_dma_addr_create(mpt, frame_dma_attrs, 2719 &mpt->m_dma_reply_frame_hdl, &mpt->m_acc_reply_frame_hdl, &memp, 2720 mem_size, &cookie) == FALSE) { 2721 return (DDI_FAILURE); 2722 } 2723 2724 /* 2725 * Store the reply frame memory address. This chip uses this 2726 * address to dma to and from the driver's frame. The second 2727 * address is the address mpt uses to process the frame. 2728 */ 2729 mpt->m_reply_frame_dma_addr = cookie.dmac_laddress; 2730 mpt->m_reply_frame = memp; 2731 2732 /* 2733 * Clear the reply frame pool. 2734 */ 2735 bzero(mpt->m_reply_frame, mem_size); 2736 2737 return (DDI_SUCCESS); 2738 } 2739 2740 static int 2741 mptsas_alloc_free_queue(mptsas_t *mpt) 2742 { 2743 ddi_dma_attr_t frame_dma_attrs; 2744 caddr_t memp; 2745 ddi_dma_cookie_t cookie; 2746 size_t mem_size; 2747 2748 /* 2749 * re-alloc when it has already alloced 2750 */ 2751 if (mpt->m_dma_free_queue_hdl) { 2752 mptsas_dma_addr_destroy(&mpt->m_dma_free_queue_hdl, 2753 &mpt->m_acc_free_queue_hdl); 2754 } 2755 2756 /* 2757 * The reply free queue size is: 2758 * Reply Free Queue Depth * 4 2759 * The "4" is the size of one 32 bit address (low part of 64-bit 2760 * address) 2761 */ 2762 mem_size = mpt->m_free_queue_depth * 4; 2763 2764 /* 2765 * set the DMA attributes The Reply Free Queue must be aligned on a 2766 * 16-byte boundry. 2767 */ 2768 frame_dma_attrs = mpt->m_msg_dma_attr; 2769 frame_dma_attrs.dma_attr_align = 16; 2770 frame_dma_attrs.dma_attr_sgllen = 1; 2771 2772 /* 2773 * allocate the reply free queue 2774 */ 2775 if (mptsas_dma_addr_create(mpt, frame_dma_attrs, 2776 &mpt->m_dma_free_queue_hdl, &mpt->m_acc_free_queue_hdl, &memp, 2777 mem_size, &cookie) == FALSE) { 2778 return (DDI_FAILURE); 2779 } 2780 2781 /* 2782 * Store the reply free queue memory address. This chip uses this 2783 * address to read from the reply free queue. The second address 2784 * is the address mpt uses to manage the queue. 2785 */ 2786 mpt->m_free_queue_dma_addr = cookie.dmac_laddress; 2787 mpt->m_free_queue = memp; 2788 2789 /* 2790 * Clear the reply free queue memory. 2791 */ 2792 bzero(mpt->m_free_queue, mem_size); 2793 2794 return (DDI_SUCCESS); 2795 } 2796 2797 static int 2798 mptsas_alloc_post_queue(mptsas_t *mpt) 2799 { 2800 ddi_dma_attr_t frame_dma_attrs; 2801 caddr_t memp; 2802 ddi_dma_cookie_t cookie; 2803 size_t mem_size; 2804 2805 /* 2806 * re-alloc when it has already alloced 2807 */ 2808 if (mpt->m_dma_post_queue_hdl) { 2809 mptsas_dma_addr_destroy(&mpt->m_dma_post_queue_hdl, 2810 &mpt->m_acc_post_queue_hdl); 2811 } 2812 2813 /* 2814 * The reply descriptor post queue size is: 2815 * Reply Descriptor Post Queue Depth * 8 2816 * The "8" is the size of each descriptor (8 bytes or 64 bits). 2817 */ 2818 mem_size = mpt->m_post_queue_depth * 8; 2819 2820 /* 2821 * set the DMA attributes. The Reply Descriptor Post Queue must be 2822 * aligned on a 16-byte boundry. 2823 */ 2824 frame_dma_attrs = mpt->m_msg_dma_attr; 2825 frame_dma_attrs.dma_attr_align = 16; 2826 frame_dma_attrs.dma_attr_sgllen = 1; 2827 2828 /* 2829 * allocate the reply post queue 2830 */ 2831 if (mptsas_dma_addr_create(mpt, frame_dma_attrs, 2832 &mpt->m_dma_post_queue_hdl, &mpt->m_acc_post_queue_hdl, &memp, 2833 mem_size, &cookie) == FALSE) { 2834 return (DDI_FAILURE); 2835 } 2836 2837 /* 2838 * Store the reply descriptor post queue memory address. This chip 2839 * uses this address to write to the reply descriptor post queue. The 2840 * second address is the address mpt uses to manage the queue. 2841 */ 2842 mpt->m_post_queue_dma_addr = cookie.dmac_laddress; 2843 mpt->m_post_queue = memp; 2844 2845 /* 2846 * Clear the reply post queue memory. 2847 */ 2848 bzero(mpt->m_post_queue, mem_size); 2849 2850 return (DDI_SUCCESS); 2851 } 2852 2853 static void 2854 mptsas_alloc_reply_args(mptsas_t *mpt) 2855 { 2856 if (mpt->m_replyh_args == NULL) { 2857 mpt->m_replyh_args = kmem_zalloc(sizeof (m_replyh_arg_t) * 2858 mpt->m_max_replies, KM_SLEEP); 2859 } 2860 } 2861 2862 static int 2863 mptsas_alloc_extra_sgl_frame(mptsas_t *mpt, mptsas_cmd_t *cmd) 2864 { 2865 mptsas_cache_frames_t *frames = NULL; 2866 if (cmd->cmd_extra_frames == NULL) { 2867 frames = kmem_cache_alloc(mpt->m_cache_frames, KM_NOSLEEP); 2868 if (frames == NULL) { 2869 return (DDI_FAILURE); 2870 } 2871 cmd->cmd_extra_frames = frames; 2872 } 2873 return (DDI_SUCCESS); 2874 } 2875 2876 static void 2877 mptsas_free_extra_sgl_frame(mptsas_t *mpt, mptsas_cmd_t *cmd) 2878 { 2879 if (cmd->cmd_extra_frames) { 2880 kmem_cache_free(mpt->m_cache_frames, 2881 (void *)cmd->cmd_extra_frames); 2882 cmd->cmd_extra_frames = NULL; 2883 } 2884 } 2885 2886 static void 2887 mptsas_cfg_fini(mptsas_t *mpt) 2888 { 2889 NDBG0(("mptsas_cfg_fini")); 2890 ddi_regs_map_free(&mpt->m_datap); 2891 } 2892 2893 static void 2894 mptsas_hba_fini(mptsas_t *mpt) 2895 { 2896 NDBG0(("mptsas_hba_fini")); 2897 2898 /* 2899 * Free up any allocated memory 2900 */ 2901 if (mpt->m_dma_req_frame_hdl) { 2902 mptsas_dma_addr_destroy(&mpt->m_dma_req_frame_hdl, 2903 &mpt->m_acc_req_frame_hdl); 2904 } 2905 2906 if (mpt->m_dma_req_sense_hdl) { 2907 rmfreemap(mpt->m_erqsense_map); 2908 mptsas_dma_addr_destroy(&mpt->m_dma_req_sense_hdl, 2909 &mpt->m_acc_req_sense_hdl); 2910 } 2911 2912 if (mpt->m_dma_reply_frame_hdl) { 2913 mptsas_dma_addr_destroy(&mpt->m_dma_reply_frame_hdl, 2914 &mpt->m_acc_reply_frame_hdl); 2915 } 2916 2917 if (mpt->m_dma_free_queue_hdl) { 2918 mptsas_dma_addr_destroy(&mpt->m_dma_free_queue_hdl, 2919 &mpt->m_acc_free_queue_hdl); 2920 } 2921 2922 if (mpt->m_dma_post_queue_hdl) { 2923 mptsas_dma_addr_destroy(&mpt->m_dma_post_queue_hdl, 2924 &mpt->m_acc_post_queue_hdl); 2925 } 2926 2927 if (mpt->m_replyh_args != NULL) { 2928 kmem_free(mpt->m_replyh_args, sizeof (m_replyh_arg_t) 2929 * mpt->m_max_replies); 2930 } 2931 } 2932 2933 static int 2934 mptsas_name_child(dev_info_t *lun_dip, char *name, int len) 2935 { 2936 int lun = 0; 2937 char *sas_wwn = NULL; 2938 int phynum = -1; 2939 int reallen = 0; 2940 2941 /* Get the target num */ 2942 lun = ddi_prop_get_int(DDI_DEV_T_ANY, lun_dip, DDI_PROP_DONTPASS, 2943 LUN_PROP, 0); 2944 2945 if ((phynum = ddi_prop_get_int(DDI_DEV_T_ANY, lun_dip, 2946 DDI_PROP_DONTPASS, "sata-phy", -1)) != -1) { 2947 /* 2948 * Stick in the address of form "pPHY,LUN" 2949 */ 2950 reallen = snprintf(name, len, "p%x,%x", phynum, lun); 2951 } else if (ddi_prop_lookup_string(DDI_DEV_T_ANY, lun_dip, 2952 DDI_PROP_DONTPASS, SCSI_ADDR_PROP_TARGET_PORT, &sas_wwn) 2953 == DDI_PROP_SUCCESS) { 2954 /* 2955 * Stick in the address of the form "wWWN,LUN" 2956 */ 2957 reallen = snprintf(name, len, "%s,%x", sas_wwn, lun); 2958 ddi_prop_free(sas_wwn); 2959 } else { 2960 return (DDI_FAILURE); 2961 } 2962 2963 ASSERT(reallen < len); 2964 if (reallen >= len) { 2965 mptsas_log(0, CE_WARN, "!mptsas_get_name: name parameter " 2966 "length too small, it needs to be %d bytes", reallen + 1); 2967 } 2968 return (DDI_SUCCESS); 2969 } 2970 2971 /* 2972 * tran_tgt_init(9E) - target device instance initialization 2973 */ 2974 static int 2975 mptsas_scsi_tgt_init(dev_info_t *hba_dip, dev_info_t *tgt_dip, 2976 scsi_hba_tran_t *hba_tran, struct scsi_device *sd) 2977 { 2978 #ifndef __lock_lint 2979 _NOTE(ARGUNUSED(hba_tran)) 2980 #endif 2981 2982 /* 2983 * At this point, the scsi_device structure already exists 2984 * and has been initialized. 2985 * 2986 * Use this function to allocate target-private data structures, 2987 * if needed by this HBA. Add revised flow-control and queue 2988 * properties for child here, if desired and if you can tell they 2989 * support tagged queueing by now. 2990 */ 2991 mptsas_t *mpt; 2992 int lun = sd->sd_address.a_lun; 2993 mdi_pathinfo_t *pip = NULL; 2994 mptsas_tgt_private_t *tgt_private = NULL; 2995 mptsas_target_t *ptgt = NULL; 2996 char *psas_wwn = NULL; 2997 mptsas_phymask_t phymask = 0; 2998 uint64_t sas_wwn = 0; 2999 mptsas_target_addr_t addr; 3000 mpt = SDEV2MPT(sd); 3001 3002 ASSERT(scsi_hba_iport_unit_address(hba_dip) != 0); 3003 3004 NDBG0(("mptsas_scsi_tgt_init: hbadip=0x%p tgtdip=0x%p lun=%d", 3005 (void *)hba_dip, (void *)tgt_dip, lun)); 3006 3007 if (ndi_dev_is_persistent_node(tgt_dip) == 0) { 3008 (void) ndi_merge_node(tgt_dip, mptsas_name_child); 3009 ddi_set_name_addr(tgt_dip, NULL); 3010 return (DDI_FAILURE); 3011 } 3012 /* 3013 * phymask is 0 means the virtual port for RAID 3014 */ 3015 phymask = (mptsas_phymask_t)ddi_prop_get_int(DDI_DEV_T_ANY, hba_dip, 0, 3016 "phymask", 0); 3017 if (mdi_component_is_client(tgt_dip, NULL) == MDI_SUCCESS) { 3018 if ((pip = (void *)(sd->sd_private)) == NULL) { 3019 /* 3020 * Very bad news if this occurs. Somehow scsi_vhci has 3021 * lost the pathinfo node for this target. 3022 */ 3023 return (DDI_NOT_WELL_FORMED); 3024 } 3025 3026 if (mdi_prop_lookup_int(pip, LUN_PROP, &lun) != 3027 DDI_PROP_SUCCESS) { 3028 mptsas_log(mpt, CE_WARN, "Get lun property failed\n"); 3029 return (DDI_FAILURE); 3030 } 3031 3032 if (mdi_prop_lookup_string(pip, SCSI_ADDR_PROP_TARGET_PORT, 3033 &psas_wwn) == MDI_SUCCESS) { 3034 if (scsi_wwnstr_to_wwn(psas_wwn, &sas_wwn)) { 3035 sas_wwn = 0; 3036 } 3037 (void) mdi_prop_free(psas_wwn); 3038 } 3039 } else { 3040 lun = ddi_prop_get_int(DDI_DEV_T_ANY, tgt_dip, 3041 DDI_PROP_DONTPASS, LUN_PROP, 0); 3042 if (ddi_prop_lookup_string(DDI_DEV_T_ANY, tgt_dip, 3043 DDI_PROP_DONTPASS, SCSI_ADDR_PROP_TARGET_PORT, &psas_wwn) == 3044 DDI_PROP_SUCCESS) { 3045 if (scsi_wwnstr_to_wwn(psas_wwn, &sas_wwn)) { 3046 sas_wwn = 0; 3047 } 3048 ddi_prop_free(psas_wwn); 3049 } else { 3050 sas_wwn = 0; 3051 } 3052 } 3053 3054 ASSERT((sas_wwn != 0) || (phymask != 0)); 3055 addr.mta_wwn = sas_wwn; 3056 addr.mta_phymask = phymask; 3057 mutex_enter(&mpt->m_mutex); 3058 ptgt = refhash_lookup(mpt->m_targets, &addr); 3059 mutex_exit(&mpt->m_mutex); 3060 if (ptgt == NULL) { 3061 mptsas_log(mpt, CE_WARN, "!tgt_init: target doesn't exist or " 3062 "gone already! phymask:%x, saswwn %"PRIx64, phymask, 3063 sas_wwn); 3064 return (DDI_FAILURE); 3065 } 3066 if (hba_tran->tran_tgt_private == NULL) { 3067 tgt_private = kmem_zalloc(sizeof (mptsas_tgt_private_t), 3068 KM_SLEEP); 3069 tgt_private->t_lun = lun; 3070 tgt_private->t_private = ptgt; 3071 hba_tran->tran_tgt_private = tgt_private; 3072 } 3073 3074 if (mdi_component_is_client(tgt_dip, NULL) == MDI_SUCCESS) { 3075 return (DDI_SUCCESS); 3076 } 3077 mutex_enter(&mpt->m_mutex); 3078 3079 if (ptgt->m_deviceinfo & 3080 (MPI2_SAS_DEVICE_INFO_SATA_DEVICE | 3081 MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE)) { 3082 uchar_t *inq89 = NULL; 3083 int inq89_len = 0x238; 3084 int reallen = 0; 3085 int rval = 0; 3086 struct sata_id *sid = NULL; 3087 char model[SATA_ID_MODEL_LEN + 1]; 3088 char fw[SATA_ID_FW_LEN + 1]; 3089 char *vid, *pid; 3090 int i; 3091 3092 mutex_exit(&mpt->m_mutex); 3093 /* 3094 * According SCSI/ATA Translation -2 (SAT-2) revision 01a 3095 * chapter 12.4.2 VPD page 89h includes 512 bytes ATA IDENTIFY 3096 * DEVICE data or ATA IDENTIFY PACKET DEVICE data. 3097 */ 3098 inq89 = kmem_zalloc(inq89_len, KM_SLEEP); 3099 rval = mptsas_inquiry(mpt, ptgt, 0, 0x89, 3100 inq89, inq89_len, &reallen, 1); 3101 3102 if (rval != 0) { 3103 if (inq89 != NULL) { 3104 kmem_free(inq89, inq89_len); 3105 } 3106 3107 mptsas_log(mpt, CE_WARN, "!mptsas request inquiry page " 3108 "0x89 for SATA target:%x failed!", ptgt->m_devhdl); 3109 return (DDI_SUCCESS); 3110 } 3111 sid = (void *)(&inq89[60]); 3112 3113 swab(sid->ai_model, model, SATA_ID_MODEL_LEN); 3114 swab(sid->ai_fw, fw, SATA_ID_FW_LEN); 3115 3116 model[SATA_ID_MODEL_LEN] = 0; 3117 fw[SATA_ID_FW_LEN] = 0; 3118 3119 /* 3120 * split model into into vid/pid 3121 */ 3122 for (i = 0, pid = model; i < SATA_ID_MODEL_LEN; i++, pid++) 3123 if ((*pid == ' ') || (*pid == '\t')) 3124 break; 3125 if (i < SATA_ID_MODEL_LEN) { 3126 vid = model; 3127 /* 3128 * terminate vid, establish pid 3129 */ 3130 *pid++ = 0; 3131 } else { 3132 /* 3133 * vid will stay "ATA ", the rule is same 3134 * as sata framework implementation. 3135 */ 3136 vid = NULL; 3137 /* 3138 * model is all pid 3139 */ 3140 pid = model; 3141 } 3142 3143 /* 3144 * override SCSA "inquiry-*" properties 3145 */ 3146 if (vid) 3147 (void) scsi_device_prop_update_inqstring(sd, 3148 INQUIRY_VENDOR_ID, vid, strlen(vid)); 3149 if (pid) 3150 (void) scsi_device_prop_update_inqstring(sd, 3151 INQUIRY_PRODUCT_ID, pid, strlen(pid)); 3152 (void) scsi_device_prop_update_inqstring(sd, 3153 INQUIRY_REVISION_ID, fw, strlen(fw)); 3154 3155 if (inq89 != NULL) { 3156 kmem_free(inq89, inq89_len); 3157 } 3158 } else { 3159 mutex_exit(&mpt->m_mutex); 3160 } 3161 3162 return (DDI_SUCCESS); 3163 } 3164 /* 3165 * tran_tgt_free(9E) - target device instance deallocation 3166 */ 3167 static void 3168 mptsas_scsi_tgt_free(dev_info_t *hba_dip, dev_info_t *tgt_dip, 3169 scsi_hba_tran_t *hba_tran, struct scsi_device *sd) 3170 { 3171 #ifndef __lock_lint 3172 _NOTE(ARGUNUSED(hba_dip, tgt_dip, hba_tran, sd)) 3173 #endif 3174 3175 mptsas_tgt_private_t *tgt_private = hba_tran->tran_tgt_private; 3176 3177 if (tgt_private != NULL) { 3178 kmem_free(tgt_private, sizeof (mptsas_tgt_private_t)); 3179 hba_tran->tran_tgt_private = NULL; 3180 } 3181 } 3182 3183 /* 3184 * scsi_pkt handling 3185 * 3186 * Visible to the external world via the transport structure. 3187 */ 3188 3189 /* 3190 * Notes: 3191 * - transport the command to the addressed SCSI target/lun device 3192 * - normal operation is to schedule the command to be transported, 3193 * and return TRAN_ACCEPT if this is successful. 3194 * - if NO_INTR, tran_start must poll device for command completion 3195 */ 3196 static int 3197 mptsas_scsi_start(struct scsi_address *ap, struct scsi_pkt *pkt) 3198 { 3199 #ifndef __lock_lint 3200 _NOTE(ARGUNUSED(ap)) 3201 #endif 3202 mptsas_t *mpt = PKT2MPT(pkt); 3203 mptsas_cmd_t *cmd = PKT2CMD(pkt); 3204 int rval; 3205 mptsas_target_t *ptgt = cmd->cmd_tgt_addr; 3206 3207 NDBG1(("mptsas_scsi_start: pkt=0x%p", (void *)pkt)); 3208 ASSERT(ptgt); 3209 if (ptgt == NULL) 3210 return (TRAN_FATAL_ERROR); 3211 3212 /* 3213 * prepare the pkt before taking mutex. 3214 */ 3215 rval = mptsas_prepare_pkt(cmd); 3216 if (rval != TRAN_ACCEPT) { 3217 return (rval); 3218 } 3219 3220 /* 3221 * Send the command to target/lun, however your HBA requires it. 3222 * If busy, return TRAN_BUSY; if there's some other formatting error 3223 * in the packet, return TRAN_BADPKT; otherwise, fall through to the 3224 * return of TRAN_ACCEPT. 3225 * 3226 * Remember that access to shared resources, including the mptsas_t 3227 * data structure and the HBA hardware registers, must be protected 3228 * with mutexes, here and everywhere. 3229 * 3230 * Also remember that at interrupt time, you'll get an argument 3231 * to the interrupt handler which is a pointer to your mptsas_t 3232 * structure; you'll have to remember which commands are outstanding 3233 * and which scsi_pkt is the currently-running command so the 3234 * interrupt handler can refer to the pkt to set completion 3235 * status, call the target driver back through pkt_comp, etc. 3236 * 3237 * If the instance lock is held by other thread, don't spin to wait 3238 * for it. Instead, queue the cmd and next time when the instance lock 3239 * is not held, accept all the queued cmd. A extra tx_waitq is 3240 * introduced to protect the queue. 3241 * 3242 * The polled cmd will not be queud and accepted as usual. 3243 * 3244 * Under the tx_waitq mutex, record whether a thread is draining 3245 * the tx_waitq. An IO requesting thread that finds the instance 3246 * mutex contended appends to the tx_waitq and while holding the 3247 * tx_wait mutex, if the draining flag is not set, sets it and then 3248 * proceeds to spin for the instance mutex. This scheme ensures that 3249 * the last cmd in a burst be processed. 3250 * 3251 * we enable this feature only when the helper threads are enabled, 3252 * at which we think the loads are heavy. 3253 * 3254 * per instance mutex m_tx_waitq_mutex is introduced to protect the 3255 * m_tx_waitqtail, m_tx_waitq, m_tx_draining. 3256 */ 3257 3258 if (mpt->m_doneq_thread_n) { 3259 if (mutex_tryenter(&mpt->m_mutex) != 0) { 3260 rval = mptsas_accept_txwq_and_pkt(mpt, cmd); 3261 mutex_exit(&mpt->m_mutex); 3262 } else if (cmd->cmd_pkt_flags & FLAG_NOINTR) { 3263 mutex_enter(&mpt->m_mutex); 3264 rval = mptsas_accept_txwq_and_pkt(mpt, cmd); 3265 mutex_exit(&mpt->m_mutex); 3266 } else { 3267 mutex_enter(&mpt->m_tx_waitq_mutex); 3268 /* 3269 * ptgt->m_dr_flag is protected by m_mutex or 3270 * m_tx_waitq_mutex. In this case, m_tx_waitq_mutex 3271 * is acquired. 3272 */ 3273 if (ptgt->m_dr_flag == MPTSAS_DR_INTRANSITION) { 3274 if (cmd->cmd_pkt_flags & FLAG_NOQUEUE) { 3275 /* 3276 * The command should be allowed to 3277 * retry by returning TRAN_BUSY to 3278 * to stall the I/O's which come from 3279 * scsi_vhci since the device/path is 3280 * in unstable state now. 3281 */ 3282 mutex_exit(&mpt->m_tx_waitq_mutex); 3283 return (TRAN_BUSY); 3284 } else { 3285 /* 3286 * The device is offline, just fail the 3287 * command by returning 3288 * TRAN_FATAL_ERROR. 3289 */ 3290 mutex_exit(&mpt->m_tx_waitq_mutex); 3291 return (TRAN_FATAL_ERROR); 3292 } 3293 } 3294 if (mpt->m_tx_draining) { 3295 cmd->cmd_flags |= CFLAG_TXQ; 3296 *mpt->m_tx_waitqtail = cmd; 3297 mpt->m_tx_waitqtail = &cmd->cmd_linkp; 3298 mutex_exit(&mpt->m_tx_waitq_mutex); 3299 } else { /* drain the queue */ 3300 mpt->m_tx_draining = 1; 3301 mutex_exit(&mpt->m_tx_waitq_mutex); 3302 mutex_enter(&mpt->m_mutex); 3303 rval = mptsas_accept_txwq_and_pkt(mpt, cmd); 3304 mutex_exit(&mpt->m_mutex); 3305 } 3306 } 3307 } else { 3308 mutex_enter(&mpt->m_mutex); 3309 /* 3310 * ptgt->m_dr_flag is protected by m_mutex or m_tx_waitq_mutex 3311 * in this case, m_mutex is acquired. 3312 */ 3313 if (ptgt->m_dr_flag == MPTSAS_DR_INTRANSITION) { 3314 if (cmd->cmd_pkt_flags & FLAG_NOQUEUE) { 3315 /* 3316 * commands should be allowed to retry by 3317 * returning TRAN_BUSY to stall the I/O's 3318 * which come from scsi_vhci since the device/ 3319 * path is in unstable state now. 3320 */ 3321 mutex_exit(&mpt->m_mutex); 3322 return (TRAN_BUSY); 3323 } else { 3324 /* 3325 * The device is offline, just fail the 3326 * command by returning TRAN_FATAL_ERROR. 3327 */ 3328 mutex_exit(&mpt->m_mutex); 3329 return (TRAN_FATAL_ERROR); 3330 } 3331 } 3332 rval = mptsas_accept_pkt(mpt, cmd); 3333 mutex_exit(&mpt->m_mutex); 3334 } 3335 3336 return (rval); 3337 } 3338 3339 /* 3340 * Accept all the queued cmds(if any) before accept the current one. 3341 */ 3342 static int 3343 mptsas_accept_txwq_and_pkt(mptsas_t *mpt, mptsas_cmd_t *cmd) 3344 { 3345 int rval; 3346 mptsas_target_t *ptgt = cmd->cmd_tgt_addr; 3347 3348 ASSERT(mutex_owned(&mpt->m_mutex)); 3349 /* 3350 * The call to mptsas_accept_tx_waitq() must always be performed 3351 * because that is where mpt->m_tx_draining is cleared. 3352 */ 3353 mutex_enter(&mpt->m_tx_waitq_mutex); 3354 mptsas_accept_tx_waitq(mpt); 3355 mutex_exit(&mpt->m_tx_waitq_mutex); 3356 /* 3357 * ptgt->m_dr_flag is protected by m_mutex or m_tx_waitq_mutex 3358 * in this case, m_mutex is acquired. 3359 */ 3360 if (ptgt->m_dr_flag == MPTSAS_DR_INTRANSITION) { 3361 if (cmd->cmd_pkt_flags & FLAG_NOQUEUE) { 3362 /* 3363 * The command should be allowed to retry by returning 3364 * TRAN_BUSY to stall the I/O's which come from 3365 * scsi_vhci since the device/path is in unstable state 3366 * now. 3367 */ 3368 return (TRAN_BUSY); 3369 } else { 3370 /* 3371 * The device is offline, just fail the command by 3372 * return TRAN_FATAL_ERROR. 3373 */ 3374 return (TRAN_FATAL_ERROR); 3375 } 3376 } 3377 rval = mptsas_accept_pkt(mpt, cmd); 3378 3379 return (rval); 3380 } 3381 3382 static int 3383 mptsas_accept_pkt(mptsas_t *mpt, mptsas_cmd_t *cmd) 3384 { 3385 int rval = TRAN_ACCEPT; 3386 mptsas_target_t *ptgt = cmd->cmd_tgt_addr; 3387 3388 NDBG1(("mptsas_accept_pkt: cmd=0x%p", (void *)cmd)); 3389 3390 ASSERT(mutex_owned(&mpt->m_mutex)); 3391 3392 if ((cmd->cmd_flags & CFLAG_PREPARED) == 0) { 3393 rval = mptsas_prepare_pkt(cmd); 3394 if (rval != TRAN_ACCEPT) { 3395 cmd->cmd_flags &= ~CFLAG_TRANFLAG; 3396 return (rval); 3397 } 3398 } 3399 3400 /* 3401 * reset the throttle if we were draining 3402 */ 3403 if ((ptgt->m_t_ncmds == 0) && 3404 (ptgt->m_t_throttle == DRAIN_THROTTLE)) { 3405 NDBG23(("reset throttle")); 3406 ASSERT(ptgt->m_reset_delay == 0); 3407 mptsas_set_throttle(mpt, ptgt, MAX_THROTTLE); 3408 } 3409 3410 /* 3411 * If HBA is being reset, the DevHandles are being re-initialized, 3412 * which means that they could be invalid even if the target is still 3413 * attached. Check if being reset and if DevHandle is being 3414 * re-initialized. If this is the case, return BUSY so the I/O can be 3415 * retried later. 3416 */ 3417 if ((ptgt->m_devhdl == MPTSAS_INVALID_DEVHDL) && mpt->m_in_reset) { 3418 mptsas_set_pkt_reason(mpt, cmd, CMD_RESET, STAT_BUS_RESET); 3419 if (cmd->cmd_flags & CFLAG_TXQ) { 3420 mptsas_doneq_add(mpt, cmd); 3421 mptsas_doneq_empty(mpt); 3422 return (rval); 3423 } else { 3424 return (TRAN_BUSY); 3425 } 3426 } 3427 3428 /* 3429 * If device handle has already been invalidated, just 3430 * fail the command. In theory, command from scsi_vhci 3431 * client is impossible send down command with invalid 3432 * devhdl since devhdl is set after path offline, target 3433 * driver is not suppose to select a offlined path. 3434 */ 3435 if (ptgt->m_devhdl == MPTSAS_INVALID_DEVHDL) { 3436 NDBG3(("rejecting command, it might because invalid devhdl " 3437 "request.")); 3438 mptsas_set_pkt_reason(mpt, cmd, CMD_DEV_GONE, STAT_TERMINATED); 3439 if (cmd->cmd_flags & CFLAG_TXQ) { 3440 mptsas_doneq_add(mpt, cmd); 3441 mptsas_doneq_empty(mpt); 3442 return (rval); 3443 } else { 3444 return (TRAN_FATAL_ERROR); 3445 } 3446 } 3447 /* 3448 * The first case is the normal case. mpt gets a command from the 3449 * target driver and starts it. 3450 * Since SMID 0 is reserved and the TM slot is reserved, the actual max 3451 * commands is m_max_requests - 2. 3452 */ 3453 if ((mpt->m_ncmds <= (mpt->m_max_requests - 2)) && 3454 (ptgt->m_t_throttle > HOLD_THROTTLE) && 3455 (ptgt->m_t_ncmds < ptgt->m_t_throttle) && 3456 (ptgt->m_reset_delay == 0) && 3457 (ptgt->m_t_nwait == 0) && 3458 ((cmd->cmd_pkt_flags & FLAG_NOINTR) == 0)) { 3459 if (mptsas_save_cmd(mpt, cmd) == TRUE) { 3460 (void) mptsas_start_cmd(mpt, cmd); 3461 } else { 3462 mptsas_waitq_add(mpt, cmd); 3463 } 3464 } else { 3465 /* 3466 * Add this pkt to the work queue 3467 */ 3468 mptsas_waitq_add(mpt, cmd); 3469 3470 if (cmd->cmd_pkt_flags & FLAG_NOINTR) { 3471 (void) mptsas_poll(mpt, cmd, MPTSAS_POLL_TIME); 3472 3473 /* 3474 * Only flush the doneq if this is not a TM 3475 * cmd. For TM cmds the flushing of the 3476 * doneq will be done in those routines. 3477 */ 3478 if ((cmd->cmd_flags & CFLAG_TM_CMD) == 0) { 3479 mptsas_doneq_empty(mpt); 3480 } 3481 } 3482 } 3483 return (rval); 3484 } 3485 3486 int 3487 mptsas_save_cmd(mptsas_t *mpt, mptsas_cmd_t *cmd) 3488 { 3489 mptsas_slots_t *slots = mpt->m_active; 3490 uint_t slot, start_rotor; 3491 mptsas_target_t *ptgt = cmd->cmd_tgt_addr; 3492 3493 ASSERT(MUTEX_HELD(&mpt->m_mutex)); 3494 3495 /* 3496 * Account for reserved TM request slot and reserved SMID of 0. 3497 */ 3498 ASSERT(slots->m_n_normal == (mpt->m_max_requests - 2)); 3499 3500 /* 3501 * Find the next available slot, beginning at m_rotor. If no slot is 3502 * available, we'll return FALSE to indicate that. This mechanism 3503 * considers only the normal slots, not the reserved slot 0 nor the 3504 * task management slot m_n_normal + 1. The rotor is left to point to 3505 * the normal slot after the one we select, unless we select the last 3506 * normal slot in which case it returns to slot 1. 3507 */ 3508 start_rotor = slots->m_rotor; 3509 do { 3510 slot = slots->m_rotor++; 3511 if (slots->m_rotor > slots->m_n_normal) 3512 slots->m_rotor = 1; 3513 3514 if (slots->m_rotor == start_rotor) 3515 break; 3516 } while (slots->m_slot[slot] != NULL); 3517 3518 if (slots->m_slot[slot] != NULL) 3519 return (FALSE); 3520 3521 ASSERT(slot != 0 && slot <= slots->m_n_normal); 3522 3523 cmd->cmd_slot = slot; 3524 slots->m_slot[slot] = cmd; 3525 mpt->m_ncmds++; 3526 3527 /* 3528 * only increment per target ncmds if this is not a 3529 * command that has no target associated with it (i.e. a 3530 * event acknoledgment) 3531 */ 3532 if ((cmd->cmd_flags & CFLAG_CMDIOC) == 0) { 3533 /* 3534 * Expiration time is set in mptsas_start_cmd 3535 */ 3536 ptgt->m_t_ncmds++; 3537 cmd->cmd_active_expiration = 0; 3538 } else { 3539 /* 3540 * Initialize expiration time for passthrough commands, 3541 */ 3542 cmd->cmd_active_expiration = gethrtime() + 3543 (hrtime_t)cmd->cmd_pkt->pkt_time * NANOSEC; 3544 } 3545 return (TRUE); 3546 } 3547 3548 /* 3549 * prepare the pkt: 3550 * the pkt may have been resubmitted or just reused so 3551 * initialize some fields and do some checks. 3552 */ 3553 static int 3554 mptsas_prepare_pkt(mptsas_cmd_t *cmd) 3555 { 3556 struct scsi_pkt *pkt = CMD2PKT(cmd); 3557 3558 NDBG1(("mptsas_prepare_pkt: cmd=0x%p", (void *)cmd)); 3559 3560 /* 3561 * Reinitialize some fields that need it; the packet may 3562 * have been resubmitted 3563 */ 3564 pkt->pkt_reason = CMD_CMPLT; 3565 pkt->pkt_state = 0; 3566 pkt->pkt_statistics = 0; 3567 pkt->pkt_resid = 0; 3568 cmd->cmd_age = 0; 3569 cmd->cmd_pkt_flags = pkt->pkt_flags; 3570 3571 /* 3572 * zero status byte. 3573 */ 3574 *(pkt->pkt_scbp) = 0; 3575 3576 if (cmd->cmd_flags & CFLAG_DMAVALID) { 3577 pkt->pkt_resid = cmd->cmd_dmacount; 3578 3579 /* 3580 * consistent packets need to be sync'ed first 3581 * (only for data going out) 3582 */ 3583 if ((cmd->cmd_flags & CFLAG_CMDIOPB) && 3584 (cmd->cmd_flags & CFLAG_DMASEND)) { 3585 (void) ddi_dma_sync(cmd->cmd_dmahandle, 0, 0, 3586 DDI_DMA_SYNC_FORDEV); 3587 } 3588 } 3589 3590 cmd->cmd_flags = 3591 (cmd->cmd_flags & ~(CFLAG_TRANFLAG)) | 3592 CFLAG_PREPARED | CFLAG_IN_TRANSPORT; 3593 3594 return (TRAN_ACCEPT); 3595 } 3596 3597 /* 3598 * tran_init_pkt(9E) - allocate scsi_pkt(9S) for command 3599 * 3600 * One of three possibilities: 3601 * - allocate scsi_pkt 3602 * - allocate scsi_pkt and DMA resources 3603 * - allocate DMA resources to an already-allocated pkt 3604 */ 3605 static struct scsi_pkt * 3606 mptsas_scsi_init_pkt(struct scsi_address *ap, struct scsi_pkt *pkt, 3607 struct buf *bp, int cmdlen, int statuslen, int tgtlen, int flags, 3608 int (*callback)(), caddr_t arg) 3609 { 3610 mptsas_cmd_t *cmd, *new_cmd; 3611 mptsas_t *mpt = ADDR2MPT(ap); 3612 int failure = 1; 3613 uint_t oldcookiec; 3614 mptsas_target_t *ptgt = NULL; 3615 int rval; 3616 mptsas_tgt_private_t *tgt_private; 3617 int kf; 3618 3619 kf = (callback == SLEEP_FUNC)? KM_SLEEP: KM_NOSLEEP; 3620 3621 tgt_private = (mptsas_tgt_private_t *)ap->a_hba_tran-> 3622 tran_tgt_private; 3623 ASSERT(tgt_private != NULL); 3624 if (tgt_private == NULL) { 3625 return (NULL); 3626 } 3627 ptgt = tgt_private->t_private; 3628 ASSERT(ptgt != NULL); 3629 if (ptgt == NULL) 3630 return (NULL); 3631 ap->a_target = ptgt->m_devhdl; 3632 ap->a_lun = tgt_private->t_lun; 3633 3634 ASSERT(callback == NULL_FUNC || callback == SLEEP_FUNC); 3635 #ifdef MPTSAS_TEST_EXTRN_ALLOC 3636 statuslen *= 100; tgtlen *= 4; 3637 #endif 3638 NDBG3(("mptsas_scsi_init_pkt:\n" 3639 "\ttgt=%d in=0x%p bp=0x%p clen=%d slen=%d tlen=%d flags=%x", 3640 ap->a_target, (void *)pkt, (void *)bp, 3641 cmdlen, statuslen, tgtlen, flags)); 3642 3643 /* 3644 * Allocate the new packet. 3645 */ 3646 if (pkt == NULL) { 3647 ddi_dma_handle_t save_dma_handle; 3648 3649 cmd = kmem_cache_alloc(mpt->m_kmem_cache, kf); 3650 3651 if (cmd) { 3652 save_dma_handle = cmd->cmd_dmahandle; 3653 bzero(cmd, sizeof (*cmd) + scsi_pkt_size()); 3654 cmd->cmd_dmahandle = save_dma_handle; 3655 3656 pkt = (void *)((uchar_t *)cmd + 3657 sizeof (struct mptsas_cmd)); 3658 pkt->pkt_ha_private = (opaque_t)cmd; 3659 pkt->pkt_address = *ap; 3660 pkt->pkt_private = (opaque_t)cmd->cmd_pkt_private; 3661 pkt->pkt_scbp = (opaque_t)&cmd->cmd_scb; 3662 pkt->pkt_cdbp = (opaque_t)&cmd->cmd_cdb; 3663 cmd->cmd_pkt = (struct scsi_pkt *)pkt; 3664 cmd->cmd_cdblen = (uchar_t)cmdlen; 3665 cmd->cmd_scblen = statuslen; 3666 cmd->cmd_rqslen = SENSE_LENGTH; 3667 cmd->cmd_tgt_addr = ptgt; 3668 failure = 0; 3669 } 3670 3671 if (failure || (cmdlen > sizeof (cmd->cmd_cdb)) || 3672 (tgtlen > PKT_PRIV_LEN) || 3673 (statuslen > EXTCMDS_STATUS_SIZE)) { 3674 if (failure == 0) { 3675 /* 3676 * if extern alloc fails, all will be 3677 * deallocated, including cmd 3678 */ 3679 failure = mptsas_pkt_alloc_extern(mpt, cmd, 3680 cmdlen, tgtlen, statuslen, kf); 3681 } 3682 if (failure) { 3683 /* 3684 * if extern allocation fails, it will 3685 * deallocate the new pkt as well 3686 */ 3687 return (NULL); 3688 } 3689 } 3690 new_cmd = cmd; 3691 3692 } else { 3693 cmd = PKT2CMD(pkt); 3694 new_cmd = NULL; 3695 } 3696 3697 3698 /* grab cmd->cmd_cookiec here as oldcookiec */ 3699 3700 oldcookiec = cmd->cmd_cookiec; 3701 3702 /* 3703 * If the dma was broken up into PARTIAL transfers cmd_nwin will be 3704 * greater than 0 and we'll need to grab the next dma window 3705 */ 3706 /* 3707 * SLM-not doing extra command frame right now; may add later 3708 */ 3709 3710 if (cmd->cmd_nwin > 0) { 3711 3712 /* 3713 * Make sure we havn't gone past the the total number 3714 * of windows 3715 */ 3716 if (++cmd->cmd_winindex >= cmd->cmd_nwin) { 3717 return (NULL); 3718 } 3719 if (ddi_dma_getwin(cmd->cmd_dmahandle, cmd->cmd_winindex, 3720 &cmd->cmd_dma_offset, &cmd->cmd_dma_len, 3721 &cmd->cmd_cookie, &cmd->cmd_cookiec) == DDI_FAILURE) { 3722 return (NULL); 3723 } 3724 goto get_dma_cookies; 3725 } 3726 3727 3728 if (flags & PKT_XARQ) { 3729 cmd->cmd_flags |= CFLAG_XARQ; 3730 } 3731 3732 /* 3733 * DMA resource allocation. This version assumes your 3734 * HBA has some sort of bus-mastering or onboard DMA capability, with a 3735 * scatter-gather list of length MPTSAS_MAX_DMA_SEGS, as given in the 3736 * ddi_dma_attr_t structure and passed to scsi_impl_dmaget. 3737 */ 3738 if (bp && (bp->b_bcount != 0) && 3739 (cmd->cmd_flags & CFLAG_DMAVALID) == 0) { 3740 3741 int cnt, dma_flags; 3742 mptti_t *dmap; /* ptr to the S/G list */ 3743 3744 /* 3745 * Set up DMA memory and position to the next DMA segment. 3746 */ 3747 ASSERT(cmd->cmd_dmahandle != NULL); 3748 3749 if (bp->b_flags & B_READ) { 3750 dma_flags = DDI_DMA_READ; 3751 cmd->cmd_flags &= ~CFLAG_DMASEND; 3752 } else { 3753 dma_flags = DDI_DMA_WRITE; 3754 cmd->cmd_flags |= CFLAG_DMASEND; 3755 } 3756 if (flags & PKT_CONSISTENT) { 3757 cmd->cmd_flags |= CFLAG_CMDIOPB; 3758 dma_flags |= DDI_DMA_CONSISTENT; 3759 } 3760 3761 if (flags & PKT_DMA_PARTIAL) { 3762 dma_flags |= DDI_DMA_PARTIAL; 3763 } 3764 3765 /* 3766 * workaround for byte hole issue on psycho and 3767 * schizo pre 2.1 3768 */ 3769 if ((bp->b_flags & B_READ) && ((bp->b_flags & 3770 (B_PAGEIO|B_REMAPPED)) != B_PAGEIO) && 3771 ((uintptr_t)bp->b_un.b_addr & 0x7)) { 3772 dma_flags |= DDI_DMA_CONSISTENT; 3773 } 3774 3775 rval = ddi_dma_buf_bind_handle(cmd->cmd_dmahandle, bp, 3776 dma_flags, callback, arg, 3777 &cmd->cmd_cookie, &cmd->cmd_cookiec); 3778 if (rval == DDI_DMA_PARTIAL_MAP) { 3779 (void) ddi_dma_numwin(cmd->cmd_dmahandle, 3780 &cmd->cmd_nwin); 3781 cmd->cmd_winindex = 0; 3782 (void) ddi_dma_getwin(cmd->cmd_dmahandle, 3783 cmd->cmd_winindex, &cmd->cmd_dma_offset, 3784 &cmd->cmd_dma_len, &cmd->cmd_cookie, 3785 &cmd->cmd_cookiec); 3786 } else if (rval && (rval != DDI_DMA_MAPPED)) { 3787 switch (rval) { 3788 case DDI_DMA_NORESOURCES: 3789 bioerror(bp, 0); 3790 break; 3791 case DDI_DMA_BADATTR: 3792 case DDI_DMA_NOMAPPING: 3793 bioerror(bp, EFAULT); 3794 break; 3795 case DDI_DMA_TOOBIG: 3796 default: 3797 bioerror(bp, EINVAL); 3798 break; 3799 } 3800 cmd->cmd_flags &= ~CFLAG_DMAVALID; 3801 if (new_cmd) { 3802 mptsas_scsi_destroy_pkt(ap, pkt); 3803 } 3804 return ((struct scsi_pkt *)NULL); 3805 } 3806 3807 get_dma_cookies: 3808 cmd->cmd_flags |= CFLAG_DMAVALID; 3809 ASSERT(cmd->cmd_cookiec > 0); 3810 3811 if (cmd->cmd_cookiec > MPTSAS_MAX_CMD_SEGS) { 3812 mptsas_log(mpt, CE_NOTE, "large cookiec received %d\n", 3813 cmd->cmd_cookiec); 3814 bioerror(bp, EINVAL); 3815 if (new_cmd) { 3816 mptsas_scsi_destroy_pkt(ap, pkt); 3817 } 3818 return ((struct scsi_pkt *)NULL); 3819 } 3820 3821 /* 3822 * Allocate extra SGL buffer if needed. 3823 */ 3824 if ((cmd->cmd_cookiec > MPTSAS_MAX_FRAME_SGES64(mpt)) && 3825 (cmd->cmd_extra_frames == NULL)) { 3826 if (mptsas_alloc_extra_sgl_frame(mpt, cmd) == 3827 DDI_FAILURE) { 3828 mptsas_log(mpt, CE_WARN, "MPT SGL mem alloc " 3829 "failed"); 3830 bioerror(bp, ENOMEM); 3831 if (new_cmd) { 3832 mptsas_scsi_destroy_pkt(ap, pkt); 3833 } 3834 return ((struct scsi_pkt *)NULL); 3835 } 3836 } 3837 3838 /* 3839 * Always use scatter-gather transfer 3840 * Use the loop below to store physical addresses of 3841 * DMA segments, from the DMA cookies, into your HBA's 3842 * scatter-gather list. 3843 * We need to ensure we have enough kmem alloc'd 3844 * for the sg entries since we are no longer using an 3845 * array inside mptsas_cmd_t. 3846 * 3847 * We check cmd->cmd_cookiec against oldcookiec so 3848 * the scatter-gather list is correctly allocated 3849 */ 3850 3851 if (oldcookiec != cmd->cmd_cookiec) { 3852 if (cmd->cmd_sg != (mptti_t *)NULL) { 3853 kmem_free(cmd->cmd_sg, sizeof (mptti_t) * 3854 oldcookiec); 3855 cmd->cmd_sg = NULL; 3856 } 3857 } 3858 3859 if (cmd->cmd_sg == (mptti_t *)NULL) { 3860 cmd->cmd_sg = kmem_alloc((size_t)(sizeof (mptti_t)* 3861 cmd->cmd_cookiec), kf); 3862 3863 if (cmd->cmd_sg == (mptti_t *)NULL) { 3864 mptsas_log(mpt, CE_WARN, 3865 "unable to kmem_alloc enough memory " 3866 "for scatter/gather list"); 3867 /* 3868 * if we have an ENOMEM condition we need to behave 3869 * the same way as the rest of this routine 3870 */ 3871 3872 bioerror(bp, ENOMEM); 3873 if (new_cmd) { 3874 mptsas_scsi_destroy_pkt(ap, pkt); 3875 } 3876 return ((struct scsi_pkt *)NULL); 3877 } 3878 } 3879 3880 dmap = cmd->cmd_sg; 3881 3882 ASSERT(cmd->cmd_cookie.dmac_size != 0); 3883 3884 /* 3885 * store the first segment into the S/G list 3886 */ 3887 dmap->count = cmd->cmd_cookie.dmac_size; 3888 dmap->addr.address64.Low = (uint32_t) 3889 (cmd->cmd_cookie.dmac_laddress & 0xffffffffull); 3890 dmap->addr.address64.High = (uint32_t) 3891 (cmd->cmd_cookie.dmac_laddress >> 32); 3892 3893 /* 3894 * dmacount counts the size of the dma for this window 3895 * (if partial dma is being used). totaldmacount 3896 * keeps track of the total amount of dma we have 3897 * transferred for all the windows (needed to calculate 3898 * the resid value below). 3899 */ 3900 cmd->cmd_dmacount = cmd->cmd_cookie.dmac_size; 3901 cmd->cmd_totaldmacount += cmd->cmd_cookie.dmac_size; 3902 3903 /* 3904 * We already stored the first DMA scatter gather segment, 3905 * start at 1 if we need to store more. 3906 */ 3907 for (cnt = 1; cnt < cmd->cmd_cookiec; cnt++) { 3908 /* 3909 * Get next DMA cookie 3910 */ 3911 ddi_dma_nextcookie(cmd->cmd_dmahandle, 3912 &cmd->cmd_cookie); 3913 dmap++; 3914 3915 cmd->cmd_dmacount += cmd->cmd_cookie.dmac_size; 3916 cmd->cmd_totaldmacount += cmd->cmd_cookie.dmac_size; 3917 3918 /* 3919 * store the segment parms into the S/G list 3920 */ 3921 dmap->count = cmd->cmd_cookie.dmac_size; 3922 dmap->addr.address64.Low = (uint32_t) 3923 (cmd->cmd_cookie.dmac_laddress & 0xffffffffull); 3924 dmap->addr.address64.High = (uint32_t) 3925 (cmd->cmd_cookie.dmac_laddress >> 32); 3926 } 3927 3928 /* 3929 * If this was partially allocated we set the resid 3930 * the amount of data NOT transferred in this window 3931 * If there is only one window, the resid will be 0 3932 */ 3933 pkt->pkt_resid = (bp->b_bcount - cmd->cmd_totaldmacount); 3934 NDBG3(("mptsas_scsi_init_pkt: cmd_dmacount=%d.", 3935 cmd->cmd_dmacount)); 3936 } 3937 return (pkt); 3938 } 3939 3940 /* 3941 * tran_destroy_pkt(9E) - scsi_pkt(9s) deallocation 3942 * 3943 * Notes: 3944 * - also frees DMA resources if allocated 3945 * - implicit DMA synchonization 3946 */ 3947 static void 3948 mptsas_scsi_destroy_pkt(struct scsi_address *ap, struct scsi_pkt *pkt) 3949 { 3950 mptsas_cmd_t *cmd = PKT2CMD(pkt); 3951 mptsas_t *mpt = ADDR2MPT(ap); 3952 3953 NDBG3(("mptsas_scsi_destroy_pkt: target=%d pkt=0x%p", 3954 ap->a_target, (void *)pkt)); 3955 3956 if (cmd->cmd_flags & CFLAG_DMAVALID) { 3957 (void) ddi_dma_unbind_handle(cmd->cmd_dmahandle); 3958 cmd->cmd_flags &= ~CFLAG_DMAVALID; 3959 } 3960 3961 if (cmd->cmd_sg) { 3962 kmem_free(cmd->cmd_sg, sizeof (mptti_t) * cmd->cmd_cookiec); 3963 cmd->cmd_sg = NULL; 3964 } 3965 3966 mptsas_free_extra_sgl_frame(mpt, cmd); 3967 3968 if ((cmd->cmd_flags & 3969 (CFLAG_FREE | CFLAG_CDBEXTERN | CFLAG_PRIVEXTERN | 3970 CFLAG_SCBEXTERN)) == 0) { 3971 cmd->cmd_flags = CFLAG_FREE; 3972 kmem_cache_free(mpt->m_kmem_cache, (void *)cmd); 3973 } else { 3974 mptsas_pkt_destroy_extern(mpt, cmd); 3975 } 3976 } 3977 3978 /* 3979 * kmem cache constructor and destructor: 3980 * When constructing, we bzero the cmd and allocate the dma handle 3981 * When destructing, just free the dma handle 3982 */ 3983 static int 3984 mptsas_kmem_cache_constructor(void *buf, void *cdrarg, int kmflags) 3985 { 3986 mptsas_cmd_t *cmd = buf; 3987 mptsas_t *mpt = cdrarg; 3988 int (*callback)(caddr_t); 3989 3990 callback = (kmflags == KM_SLEEP)? DDI_DMA_SLEEP: DDI_DMA_DONTWAIT; 3991 3992 NDBG4(("mptsas_kmem_cache_constructor")); 3993 3994 /* 3995 * allocate a dma handle 3996 */ 3997 if ((ddi_dma_alloc_handle(mpt->m_dip, &mpt->m_io_dma_attr, callback, 3998 NULL, &cmd->cmd_dmahandle)) != DDI_SUCCESS) { 3999 cmd->cmd_dmahandle = NULL; 4000 return (-1); 4001 } 4002 return (0); 4003 } 4004 4005 static void 4006 mptsas_kmem_cache_destructor(void *buf, void *cdrarg) 4007 { 4008 #ifndef __lock_lint 4009 _NOTE(ARGUNUSED(cdrarg)) 4010 #endif 4011 mptsas_cmd_t *cmd = buf; 4012 4013 NDBG4(("mptsas_kmem_cache_destructor")); 4014 4015 if (cmd->cmd_dmahandle) { 4016 ddi_dma_free_handle(&cmd->cmd_dmahandle); 4017 cmd->cmd_dmahandle = NULL; 4018 } 4019 } 4020 4021 static int 4022 mptsas_cache_frames_constructor(void *buf, void *cdrarg, int kmflags) 4023 { 4024 mptsas_cache_frames_t *p = buf; 4025 mptsas_t *mpt = cdrarg; 4026 ddi_dma_attr_t frame_dma_attr; 4027 size_t mem_size, alloc_len; 4028 ddi_dma_cookie_t cookie; 4029 uint_t ncookie; 4030 int (*callback)(caddr_t) = (kmflags == KM_SLEEP) 4031 ? DDI_DMA_SLEEP: DDI_DMA_DONTWAIT; 4032 4033 frame_dma_attr = mpt->m_msg_dma_attr; 4034 frame_dma_attr.dma_attr_align = 0x10; 4035 frame_dma_attr.dma_attr_sgllen = 1; 4036 4037 if (ddi_dma_alloc_handle(mpt->m_dip, &frame_dma_attr, callback, NULL, 4038 &p->m_dma_hdl) != DDI_SUCCESS) { 4039 mptsas_log(mpt, CE_WARN, "Unable to allocate dma handle for" 4040 " extra SGL."); 4041 return (DDI_FAILURE); 4042 } 4043 4044 mem_size = (mpt->m_max_request_frames - 1) * mpt->m_req_frame_size; 4045 4046 if (ddi_dma_mem_alloc(p->m_dma_hdl, mem_size, &mpt->m_dev_acc_attr, 4047 DDI_DMA_CONSISTENT, callback, NULL, (caddr_t *)&p->m_frames_addr, 4048 &alloc_len, &p->m_acc_hdl) != DDI_SUCCESS) { 4049 ddi_dma_free_handle(&p->m_dma_hdl); 4050 p->m_dma_hdl = NULL; 4051 mptsas_log(mpt, CE_WARN, "Unable to allocate dma memory for" 4052 " extra SGL."); 4053 return (DDI_FAILURE); 4054 } 4055 4056 if (ddi_dma_addr_bind_handle(p->m_dma_hdl, NULL, p->m_frames_addr, 4057 alloc_len, DDI_DMA_RDWR | DDI_DMA_CONSISTENT, callback, NULL, 4058 &cookie, &ncookie) != DDI_DMA_MAPPED) { 4059 (void) ddi_dma_mem_free(&p->m_acc_hdl); 4060 ddi_dma_free_handle(&p->m_dma_hdl); 4061 p->m_dma_hdl = NULL; 4062 mptsas_log(mpt, CE_WARN, "Unable to bind DMA resources for" 4063 " extra SGL"); 4064 return (DDI_FAILURE); 4065 } 4066 4067 /* 4068 * Store the SGL memory address. This chip uses this 4069 * address to dma to and from the driver. The second 4070 * address is the address mpt uses to fill in the SGL. 4071 */ 4072 p->m_phys_addr = cookie.dmac_laddress; 4073 4074 return (DDI_SUCCESS); 4075 } 4076 4077 static void 4078 mptsas_cache_frames_destructor(void *buf, void *cdrarg) 4079 { 4080 #ifndef __lock_lint 4081 _NOTE(ARGUNUSED(cdrarg)) 4082 #endif 4083 mptsas_cache_frames_t *p = buf; 4084 if (p->m_dma_hdl != NULL) { 4085 (void) ddi_dma_unbind_handle(p->m_dma_hdl); 4086 (void) ddi_dma_mem_free(&p->m_acc_hdl); 4087 ddi_dma_free_handle(&p->m_dma_hdl); 4088 p->m_phys_addr = NULL; 4089 p->m_frames_addr = NULL; 4090 p->m_dma_hdl = NULL; 4091 p->m_acc_hdl = NULL; 4092 } 4093 4094 } 4095 4096 /* 4097 * Figure out if we need to use a different method for the request 4098 * sense buffer and allocate from the map if necessary. 4099 */ 4100 static boolean_t 4101 mptsas_cmdarqsize(mptsas_t *mpt, mptsas_cmd_t *cmd, size_t senselength, int kf) 4102 { 4103 if (senselength > mpt->m_req_sense_size) { 4104 unsigned long i; 4105 4106 /* Sense length is limited to an 8 bit value in MPI Spec. */ 4107 if (senselength > 255) 4108 senselength = 255; 4109 cmd->cmd_extrqschunks = (senselength + 4110 (mpt->m_req_sense_size - 1))/mpt->m_req_sense_size; 4111 i = (kf == KM_SLEEP ? rmalloc_wait : rmalloc) 4112 (mpt->m_erqsense_map, cmd->cmd_extrqschunks); 4113 4114 if (i == 0) 4115 return (B_FALSE); 4116 4117 cmd->cmd_extrqslen = (uint16_t)senselength; 4118 cmd->cmd_extrqsidx = i - 1; 4119 cmd->cmd_arq_buf = mpt->m_extreq_sense + 4120 (cmd->cmd_extrqsidx * mpt->m_req_sense_size); 4121 } else { 4122 cmd->cmd_rqslen = (uchar_t)senselength; 4123 } 4124 4125 return (B_TRUE); 4126 } 4127 4128 /* 4129 * allocate and deallocate external pkt space (ie. not part of mptsas_cmd) 4130 * for non-standard length cdb, pkt_private, status areas 4131 * if allocation fails, then deallocate all external space and the pkt 4132 */ 4133 /* ARGSUSED */ 4134 static int 4135 mptsas_pkt_alloc_extern(mptsas_t *mpt, mptsas_cmd_t *cmd, 4136 int cmdlen, int tgtlen, int statuslen, int kf) 4137 { 4138 caddr_t cdbp, scbp, tgt; 4139 4140 NDBG3(("mptsas_pkt_alloc_extern: " 4141 "cmd=0x%p cmdlen=%d tgtlen=%d statuslen=%d kf=%x", 4142 (void *)cmd, cmdlen, tgtlen, statuslen, kf)); 4143 4144 tgt = cdbp = scbp = NULL; 4145 cmd->cmd_scblen = statuslen; 4146 cmd->cmd_privlen = (uchar_t)tgtlen; 4147 4148 if (cmdlen > sizeof (cmd->cmd_cdb)) { 4149 if ((cdbp = kmem_zalloc((size_t)cmdlen, kf)) == NULL) { 4150 goto fail; 4151 } 4152 cmd->cmd_pkt->pkt_cdbp = (opaque_t)cdbp; 4153 cmd->cmd_flags |= CFLAG_CDBEXTERN; 4154 } 4155 if (tgtlen > PKT_PRIV_LEN) { 4156 if ((tgt = kmem_zalloc((size_t)tgtlen, kf)) == NULL) { 4157 goto fail; 4158 } 4159 cmd->cmd_flags |= CFLAG_PRIVEXTERN; 4160 cmd->cmd_pkt->pkt_private = tgt; 4161 } 4162 if (statuslen > EXTCMDS_STATUS_SIZE) { 4163 if ((scbp = kmem_zalloc((size_t)statuslen, kf)) == NULL) { 4164 goto fail; 4165 } 4166 cmd->cmd_flags |= CFLAG_SCBEXTERN; 4167 cmd->cmd_pkt->pkt_scbp = (opaque_t)scbp; 4168 4169 /* allocate sense data buf for DMA */ 4170 if (mptsas_cmdarqsize(mpt, cmd, statuslen - 4171 MPTSAS_GET_ITEM_OFF(struct scsi_arq_status, sts_sensedata), 4172 kf) == B_FALSE) 4173 goto fail; 4174 } 4175 return (0); 4176 fail: 4177 mptsas_pkt_destroy_extern(mpt, cmd); 4178 return (1); 4179 } 4180 4181 /* 4182 * deallocate external pkt space and deallocate the pkt 4183 */ 4184 static void 4185 mptsas_pkt_destroy_extern(mptsas_t *mpt, mptsas_cmd_t *cmd) 4186 { 4187 NDBG3(("mptsas_pkt_destroy_extern: cmd=0x%p", (void *)cmd)); 4188 4189 if (cmd->cmd_flags & CFLAG_FREE) { 4190 mptsas_log(mpt, CE_PANIC, 4191 "mptsas_pkt_destroy_extern: freeing free packet"); 4192 _NOTE(NOT_REACHED) 4193 /* NOTREACHED */ 4194 } 4195 if (cmd->cmd_extrqslen != 0) { 4196 rmfree(mpt->m_erqsense_map, cmd->cmd_extrqschunks, 4197 cmd->cmd_extrqsidx + 1); 4198 } 4199 if (cmd->cmd_flags & CFLAG_CDBEXTERN) { 4200 kmem_free(cmd->cmd_pkt->pkt_cdbp, (size_t)cmd->cmd_cdblen); 4201 } 4202 if (cmd->cmd_flags & CFLAG_SCBEXTERN) { 4203 kmem_free(cmd->cmd_pkt->pkt_scbp, (size_t)cmd->cmd_scblen); 4204 } 4205 if (cmd->cmd_flags & CFLAG_PRIVEXTERN) { 4206 kmem_free(cmd->cmd_pkt->pkt_private, (size_t)cmd->cmd_privlen); 4207 } 4208 cmd->cmd_flags = CFLAG_FREE; 4209 kmem_cache_free(mpt->m_kmem_cache, (void *)cmd); 4210 } 4211 4212 /* 4213 * tran_sync_pkt(9E) - explicit DMA synchronization 4214 */ 4215 /*ARGSUSED*/ 4216 static void 4217 mptsas_scsi_sync_pkt(struct scsi_address *ap, struct scsi_pkt *pkt) 4218 { 4219 mptsas_cmd_t *cmd = PKT2CMD(pkt); 4220 4221 NDBG3(("mptsas_scsi_sync_pkt: target=%d, pkt=0x%p", 4222 ap->a_target, (void *)pkt)); 4223 4224 if (cmd->cmd_dmahandle) { 4225 (void) ddi_dma_sync(cmd->cmd_dmahandle, 0, 0, 4226 (cmd->cmd_flags & CFLAG_DMASEND) ? 4227 DDI_DMA_SYNC_FORDEV : DDI_DMA_SYNC_FORCPU); 4228 } 4229 } 4230 4231 /* 4232 * tran_dmafree(9E) - deallocate DMA resources allocated for command 4233 */ 4234 /*ARGSUSED*/ 4235 static void 4236 mptsas_scsi_dmafree(struct scsi_address *ap, struct scsi_pkt *pkt) 4237 { 4238 mptsas_cmd_t *cmd = PKT2CMD(pkt); 4239 mptsas_t *mpt = ADDR2MPT(ap); 4240 4241 NDBG3(("mptsas_scsi_dmafree: target=%d pkt=0x%p", 4242 ap->a_target, (void *)pkt)); 4243 4244 if (cmd->cmd_flags & CFLAG_DMAVALID) { 4245 (void) ddi_dma_unbind_handle(cmd->cmd_dmahandle); 4246 cmd->cmd_flags &= ~CFLAG_DMAVALID; 4247 } 4248 4249 mptsas_free_extra_sgl_frame(mpt, cmd); 4250 } 4251 4252 static void 4253 mptsas_pkt_comp(struct scsi_pkt *pkt, mptsas_cmd_t *cmd) 4254 { 4255 if ((cmd->cmd_flags & CFLAG_CMDIOPB) && 4256 (!(cmd->cmd_flags & CFLAG_DMASEND))) { 4257 (void) ddi_dma_sync(cmd->cmd_dmahandle, 0, 0, 4258 DDI_DMA_SYNC_FORCPU); 4259 } 4260 (*pkt->pkt_comp)(pkt); 4261 } 4262 4263 static void 4264 mptsas_sge_mainframe(mptsas_cmd_t *cmd, pMpi2SCSIIORequest_t frame, 4265 ddi_acc_handle_t acc_hdl, uint_t cookiec, uint32_t end_flags) 4266 { 4267 pMpi2SGESimple64_t sge; 4268 mptti_t *dmap; 4269 uint32_t flags; 4270 4271 dmap = cmd->cmd_sg; 4272 4273 sge = (pMpi2SGESimple64_t)(&frame->SGL); 4274 while (cookiec--) { 4275 ddi_put32(acc_hdl, 4276 &sge->Address.Low, dmap->addr.address64.Low); 4277 ddi_put32(acc_hdl, 4278 &sge->Address.High, dmap->addr.address64.High); 4279 ddi_put32(acc_hdl, &sge->FlagsLength, 4280 dmap->count); 4281 flags = ddi_get32(acc_hdl, &sge->FlagsLength); 4282 flags |= ((uint32_t) 4283 (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | 4284 MPI2_SGE_FLAGS_SYSTEM_ADDRESS | 4285 MPI2_SGE_FLAGS_64_BIT_ADDRESSING) << 4286 MPI2_SGE_FLAGS_SHIFT); 4287 4288 /* 4289 * If this is the last cookie, we set the flags 4290 * to indicate so 4291 */ 4292 if (cookiec == 0) { 4293 flags |= end_flags; 4294 } 4295 if (cmd->cmd_flags & CFLAG_DMASEND) { 4296 flags |= (MPI2_SGE_FLAGS_HOST_TO_IOC << 4297 MPI2_SGE_FLAGS_SHIFT); 4298 } else { 4299 flags |= (MPI2_SGE_FLAGS_IOC_TO_HOST << 4300 MPI2_SGE_FLAGS_SHIFT); 4301 } 4302 ddi_put32(acc_hdl, &sge->FlagsLength, flags); 4303 dmap++; 4304 sge++; 4305 } 4306 } 4307 4308 static void 4309 mptsas_sge_chain(mptsas_t *mpt, mptsas_cmd_t *cmd, 4310 pMpi2SCSIIORequest_t frame, ddi_acc_handle_t acc_hdl) 4311 { 4312 pMpi2SGESimple64_t sge; 4313 pMpi2SGEChain64_t sgechain; 4314 uint64_t nframe_phys_addr; 4315 uint_t cookiec; 4316 mptti_t *dmap; 4317 uint32_t flags; 4318 4319 /* 4320 * Save the number of entries in the DMA 4321 * Scatter/Gather list 4322 */ 4323 cookiec = cmd->cmd_cookiec; 4324 4325 /* 4326 * Hereby we start to deal with multiple frames. 4327 * The process is as follows: 4328 * 1. Determine how many frames are needed for SGL element 4329 * storage; Note that all frames are stored in contiguous 4330 * memory space and in 64-bit DMA mode each element is 4331 * 3 double-words (12 bytes) long. 4332 * 2. Fill up the main frame. We need to do this separately 4333 * since it contains the SCSI IO request header and needs 4334 * dedicated processing. Note that the last 4 double-words 4335 * of the SCSI IO header is for SGL element storage 4336 * (MPI2_SGE_IO_UNION). 4337 * 3. Fill the chain element in the main frame, so the DMA 4338 * engine can use the following frames. 4339 * 4. Enter a loop to fill the remaining frames. Note that the 4340 * last frame contains no chain element. The remaining 4341 * frames go into the mpt SGL buffer allocated on the fly, 4342 * not immediately following the main message frame, as in 4343 * Gen1. 4344 * Some restrictions: 4345 * 1. For 64-bit DMA, the simple element and chain element 4346 * are both of 3 double-words (12 bytes) in size, even 4347 * though all frames are stored in the first 4G of mem 4348 * range and the higher 32-bits of the address are always 0. 4349 * 2. On some controllers (like the 1064/1068), a frame can 4350 * hold SGL elements with the last 1 or 2 double-words 4351 * (4 or 8 bytes) un-used. On these controllers, we should 4352 * recognize that there's not enough room for another SGL 4353 * element and move the sge pointer to the next frame. 4354 */ 4355 int i, j, k, l, frames, sgemax; 4356 int temp; 4357 uint8_t chainflags; 4358 uint16_t chainlength; 4359 mptsas_cache_frames_t *p; 4360 4361 /* 4362 * Sgemax is the number of SGE's that will fit 4363 * each extra frame and frames is total 4364 * number of frames we'll need. 1 sge entry per 4365 * frame is reseverd for the chain element thus the -1 below. 4366 */ 4367 sgemax = ((mpt->m_req_frame_size / sizeof (MPI2_SGE_SIMPLE64)) 4368 - 1); 4369 temp = (cookiec - (MPTSAS_MAX_FRAME_SGES64(mpt) - 1)) / sgemax; 4370 4371 /* 4372 * A little check to see if we need to round up the number 4373 * of frames we need 4374 */ 4375 if ((cookiec - (MPTSAS_MAX_FRAME_SGES64(mpt) - 1)) - (temp * 4376 sgemax) > 1) { 4377 frames = (temp + 1); 4378 } else { 4379 frames = temp; 4380 } 4381 dmap = cmd->cmd_sg; 4382 sge = (pMpi2SGESimple64_t)(&frame->SGL); 4383 4384 /* 4385 * First fill in the main frame 4386 */ 4387 j = MPTSAS_MAX_FRAME_SGES64(mpt) - 1; 4388 mptsas_sge_mainframe(cmd, frame, acc_hdl, j, 4389 ((uint32_t)(MPI2_SGE_FLAGS_LAST_ELEMENT) << 4390 MPI2_SGE_FLAGS_SHIFT)); 4391 dmap += j; 4392 sge += j; 4393 j++; 4394 4395 /* 4396 * Fill in the chain element in the main frame. 4397 * About calculation on ChainOffset: 4398 * 1. Struct msg_scsi_io_request has 4 double-words (16 bytes) 4399 * in the end reserved for SGL element storage 4400 * (MPI2_SGE_IO_UNION); we should count it in our 4401 * calculation. See its definition in the header file. 4402 * 2. Constant j is the counter of the current SGL element 4403 * that will be processed, and (j - 1) is the number of 4404 * SGL elements that have been processed (stored in the 4405 * main frame). 4406 * 3. ChainOffset value should be in units of double-words (4 4407 * bytes) so the last value should be divided by 4. 4408 */ 4409 ddi_put8(acc_hdl, &frame->ChainOffset, 4410 (sizeof (MPI2_SCSI_IO_REQUEST) - 4411 sizeof (MPI2_SGE_IO_UNION) + 4412 (j - 1) * sizeof (MPI2_SGE_SIMPLE64)) >> 2); 4413 sgechain = (pMpi2SGEChain64_t)sge; 4414 chainflags = (MPI2_SGE_FLAGS_CHAIN_ELEMENT | 4415 MPI2_SGE_FLAGS_SYSTEM_ADDRESS | 4416 MPI2_SGE_FLAGS_64_BIT_ADDRESSING); 4417 ddi_put8(acc_hdl, &sgechain->Flags, chainflags); 4418 4419 /* 4420 * The size of the next frame is the accurate size of space 4421 * (in bytes) used to store the SGL elements. j is the counter 4422 * of SGL elements. (j - 1) is the number of SGL elements that 4423 * have been processed (stored in frames). 4424 */ 4425 if (frames >= 2) { 4426 ASSERT(mpt->m_req_frame_size >= sizeof (MPI2_SGE_SIMPLE64)); 4427 chainlength = mpt->m_req_frame_size / 4428 sizeof (MPI2_SGE_SIMPLE64) * 4429 sizeof (MPI2_SGE_SIMPLE64); 4430 } else { 4431 chainlength = ((cookiec - (j - 1)) * 4432 sizeof (MPI2_SGE_SIMPLE64)); 4433 } 4434 4435 p = cmd->cmd_extra_frames; 4436 4437 ddi_put16(acc_hdl, &sgechain->Length, chainlength); 4438 ddi_put32(acc_hdl, &sgechain->Address.Low, p->m_phys_addr); 4439 ddi_put32(acc_hdl, &sgechain->Address.High, p->m_phys_addr >> 32); 4440 4441 /* 4442 * If there are more than 2 frames left we have to 4443 * fill in the next chain offset to the location of 4444 * the chain element in the next frame. 4445 * sgemax is the number of simple elements in an extra 4446 * frame. Note that the value NextChainOffset should be 4447 * in double-words (4 bytes). 4448 */ 4449 if (frames >= 2) { 4450 ddi_put8(acc_hdl, &sgechain->NextChainOffset, 4451 (sgemax * sizeof (MPI2_SGE_SIMPLE64)) >> 2); 4452 } else { 4453 ddi_put8(acc_hdl, &sgechain->NextChainOffset, 0); 4454 } 4455 4456 /* 4457 * Jump to next frame; 4458 * Starting here, chain buffers go into the per command SGL. 4459 * This buffer is allocated when chain buffers are needed. 4460 */ 4461 sge = (pMpi2SGESimple64_t)p->m_frames_addr; 4462 i = cookiec; 4463 4464 /* 4465 * Start filling in frames with SGE's. If we 4466 * reach the end of frame and still have SGE's 4467 * to fill we need to add a chain element and 4468 * use another frame. j will be our counter 4469 * for what cookie we are at and i will be 4470 * the total cookiec. k is the current frame 4471 */ 4472 for (k = 1; k <= frames; k++) { 4473 for (l = 1; (l <= (sgemax + 1)) && (j <= i); j++, l++) { 4474 4475 /* 4476 * If we have reached the end of frame 4477 * and we have more SGE's to fill in 4478 * we have to fill the final entry 4479 * with a chain element and then 4480 * continue to the next frame 4481 */ 4482 if ((l == (sgemax + 1)) && (k != frames)) { 4483 sgechain = (pMpi2SGEChain64_t)sge; 4484 j--; 4485 chainflags = ( 4486 MPI2_SGE_FLAGS_CHAIN_ELEMENT | 4487 MPI2_SGE_FLAGS_SYSTEM_ADDRESS | 4488 MPI2_SGE_FLAGS_64_BIT_ADDRESSING); 4489 ddi_put8(p->m_acc_hdl, 4490 &sgechain->Flags, chainflags); 4491 /* 4492 * k is the frame counter and (k + 1) 4493 * is the number of the next frame. 4494 * Note that frames are in contiguous 4495 * memory space. 4496 */ 4497 nframe_phys_addr = p->m_phys_addr + 4498 (mpt->m_req_frame_size * k); 4499 ddi_put32(p->m_acc_hdl, 4500 &sgechain->Address.Low, 4501 nframe_phys_addr); 4502 ddi_put32(p->m_acc_hdl, 4503 &sgechain->Address.High, 4504 nframe_phys_addr >> 32); 4505 4506 /* 4507 * If there are more than 2 frames left 4508 * we have to next chain offset to 4509 * the location of the chain element 4510 * in the next frame and fill in the 4511 * length of the next chain 4512 */ 4513 if ((frames - k) >= 2) { 4514 ddi_put8(p->m_acc_hdl, 4515 &sgechain->NextChainOffset, 4516 (sgemax * 4517 sizeof (MPI2_SGE_SIMPLE64)) 4518 >> 2); 4519 ddi_put16(p->m_acc_hdl, 4520 &sgechain->Length, 4521 mpt->m_req_frame_size / 4522 sizeof (MPI2_SGE_SIMPLE64) * 4523 sizeof (MPI2_SGE_SIMPLE64)); 4524 } else { 4525 /* 4526 * This is the last frame. Set 4527 * the NextChainOffset to 0 and 4528 * Length is the total size of 4529 * all remaining simple elements 4530 */ 4531 ddi_put8(p->m_acc_hdl, 4532 &sgechain->NextChainOffset, 4533 0); 4534 ddi_put16(p->m_acc_hdl, 4535 &sgechain->Length, 4536 (cookiec - j) * 4537 sizeof (MPI2_SGE_SIMPLE64)); 4538 } 4539 4540 /* Jump to the next frame */ 4541 sge = (pMpi2SGESimple64_t) 4542 ((char *)p->m_frames_addr + 4543 (int)mpt->m_req_frame_size * k); 4544 4545 continue; 4546 } 4547 4548 ddi_put32(p->m_acc_hdl, 4549 &sge->Address.Low, 4550 dmap->addr.address64.Low); 4551 ddi_put32(p->m_acc_hdl, 4552 &sge->Address.High, 4553 dmap->addr.address64.High); 4554 ddi_put32(p->m_acc_hdl, 4555 &sge->FlagsLength, dmap->count); 4556 flags = ddi_get32(p->m_acc_hdl, 4557 &sge->FlagsLength); 4558 flags |= ((uint32_t)( 4559 MPI2_SGE_FLAGS_SIMPLE_ELEMENT | 4560 MPI2_SGE_FLAGS_SYSTEM_ADDRESS | 4561 MPI2_SGE_FLAGS_64_BIT_ADDRESSING) << 4562 MPI2_SGE_FLAGS_SHIFT); 4563 4564 /* 4565 * If we are at the end of the frame and 4566 * there is another frame to fill in 4567 * we set the last simple element as last 4568 * element 4569 */ 4570 if ((l == sgemax) && (k != frames)) { 4571 flags |= ((uint32_t) 4572 (MPI2_SGE_FLAGS_LAST_ELEMENT) << 4573 MPI2_SGE_FLAGS_SHIFT); 4574 } 4575 4576 /* 4577 * If this is the final cookie we 4578 * indicate it by setting the flags 4579 */ 4580 if (j == i) { 4581 flags |= ((uint32_t) 4582 (MPI2_SGE_FLAGS_LAST_ELEMENT | 4583 MPI2_SGE_FLAGS_END_OF_BUFFER | 4584 MPI2_SGE_FLAGS_END_OF_LIST) << 4585 MPI2_SGE_FLAGS_SHIFT); 4586 } 4587 if (cmd->cmd_flags & CFLAG_DMASEND) { 4588 flags |= 4589 (MPI2_SGE_FLAGS_HOST_TO_IOC << 4590 MPI2_SGE_FLAGS_SHIFT); 4591 } else { 4592 flags |= 4593 (MPI2_SGE_FLAGS_IOC_TO_HOST << 4594 MPI2_SGE_FLAGS_SHIFT); 4595 } 4596 ddi_put32(p->m_acc_hdl, 4597 &sge->FlagsLength, flags); 4598 dmap++; 4599 sge++; 4600 } 4601 } 4602 4603 /* 4604 * Sync DMA with the chain buffers that were just created 4605 */ 4606 (void) ddi_dma_sync(p->m_dma_hdl, 0, 0, DDI_DMA_SYNC_FORDEV); 4607 } 4608 4609 static void 4610 mptsas_ieee_sge_mainframe(mptsas_cmd_t *cmd, pMpi2SCSIIORequest_t frame, 4611 ddi_acc_handle_t acc_hdl, uint_t cookiec, uint8_t end_flag) 4612 { 4613 pMpi2IeeeSgeSimple64_t ieeesge; 4614 mptti_t *dmap; 4615 uint8_t flags; 4616 4617 dmap = cmd->cmd_sg; 4618 4619 NDBG1(("mptsas_ieee_sge_mainframe: cookiec=%d, %s", cookiec, 4620 cmd->cmd_flags & CFLAG_DMASEND?"Out":"In")); 4621 4622 ieeesge = (pMpi2IeeeSgeSimple64_t)(&frame->SGL); 4623 while (cookiec--) { 4624 ddi_put32(acc_hdl, 4625 &ieeesge->Address.Low, dmap->addr.address64.Low); 4626 ddi_put32(acc_hdl, 4627 &ieeesge->Address.High, dmap->addr.address64.High); 4628 ddi_put32(acc_hdl, &ieeesge->Length, 4629 dmap->count); 4630 NDBG1(("mptsas_ieee_sge_mainframe: len=%d", dmap->count)); 4631 flags = (MPI2_IEEE_SGE_FLAGS_SIMPLE_ELEMENT | 4632 MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR); 4633 4634 /* 4635 * If this is the last cookie, we set the flags 4636 * to indicate so 4637 */ 4638 if (cookiec == 0) { 4639 flags |= end_flag; 4640 } 4641 4642 ddi_put8(acc_hdl, &ieeesge->Flags, flags); 4643 dmap++; 4644 ieeesge++; 4645 } 4646 } 4647 4648 static void 4649 mptsas_ieee_sge_chain(mptsas_t *mpt, mptsas_cmd_t *cmd, 4650 pMpi2SCSIIORequest_t frame, ddi_acc_handle_t acc_hdl) 4651 { 4652 pMpi2IeeeSgeSimple64_t ieeesge; 4653 pMpi25IeeeSgeChain64_t ieeesgechain; 4654 uint64_t nframe_phys_addr; 4655 uint_t cookiec; 4656 mptti_t *dmap; 4657 uint8_t flags; 4658 4659 /* 4660 * Save the number of entries in the DMA 4661 * Scatter/Gather list 4662 */ 4663 cookiec = cmd->cmd_cookiec; 4664 4665 NDBG1(("mptsas_ieee_sge_chain: cookiec=%d", cookiec)); 4666 4667 /* 4668 * Hereby we start to deal with multiple frames. 4669 * The process is as follows: 4670 * 1. Determine how many frames are needed for SGL element 4671 * storage; Note that all frames are stored in contiguous 4672 * memory space and in 64-bit DMA mode each element is 4673 * 4 double-words (16 bytes) long. 4674 * 2. Fill up the main frame. We need to do this separately 4675 * since it contains the SCSI IO request header and needs 4676 * dedicated processing. Note that the last 4 double-words 4677 * of the SCSI IO header is for SGL element storage 4678 * (MPI2_SGE_IO_UNION). 4679 * 3. Fill the chain element in the main frame, so the DMA 4680 * engine can use the following frames. 4681 * 4. Enter a loop to fill the remaining frames. Note that the 4682 * last frame contains no chain element. The remaining 4683 * frames go into the mpt SGL buffer allocated on the fly, 4684 * not immediately following the main message frame, as in 4685 * Gen1. 4686 * Restrictions: 4687 * For 64-bit DMA, the simple element and chain element 4688 * are both of 4 double-words (16 bytes) in size, even 4689 * though all frames are stored in the first 4G of mem 4690 * range and the higher 32-bits of the address are always 0. 4691 */ 4692 int i, j, k, l, frames, sgemax; 4693 int temp; 4694 uint8_t chainflags; 4695 uint32_t chainlength; 4696 mptsas_cache_frames_t *p; 4697 4698 /* 4699 * Sgemax is the number of SGE's that will fit 4700 * each extra frame and frames is total 4701 * number of frames we'll need. 1 sge entry per 4702 * frame is reseverd for the chain element thus the -1 below. 4703 */ 4704 sgemax = ((mpt->m_req_frame_size / sizeof (MPI2_IEEE_SGE_SIMPLE64)) 4705 - 1); 4706 temp = (cookiec - (MPTSAS_MAX_FRAME_SGES64(mpt) - 1)) / sgemax; 4707 4708 /* 4709 * A little check to see if we need to round up the number 4710 * of frames we need 4711 */ 4712 if ((cookiec - (MPTSAS_MAX_FRAME_SGES64(mpt) - 1)) - (temp * 4713 sgemax) > 1) { 4714 frames = (temp + 1); 4715 } else { 4716 frames = temp; 4717 } 4718 NDBG1(("mptsas_ieee_sge_chain: temp=%d, frames=%d", temp, frames)); 4719 dmap = cmd->cmd_sg; 4720 ieeesge = (pMpi2IeeeSgeSimple64_t)(&frame->SGL); 4721 4722 /* 4723 * First fill in the main frame 4724 */ 4725 j = MPTSAS_MAX_FRAME_SGES64(mpt) - 1; 4726 mptsas_ieee_sge_mainframe(cmd, frame, acc_hdl, j, 0); 4727 dmap += j; 4728 ieeesge += j; 4729 j++; 4730 4731 /* 4732 * Fill in the chain element in the main frame. 4733 * About calculation on ChainOffset: 4734 * 1. Struct msg_scsi_io_request has 4 double-words (16 bytes) 4735 * in the end reserved for SGL element storage 4736 * (MPI2_SGE_IO_UNION); we should count it in our 4737 * calculation. See its definition in the header file. 4738 * 2. Constant j is the counter of the current SGL element 4739 * that will be processed, and (j - 1) is the number of 4740 * SGL elements that have been processed (stored in the 4741 * main frame). 4742 * 3. ChainOffset value should be in units of quad-words (16 4743 * bytes) so the last value should be divided by 16. 4744 */ 4745 ddi_put8(acc_hdl, &frame->ChainOffset, 4746 (sizeof (MPI2_SCSI_IO_REQUEST) - 4747 sizeof (MPI2_SGE_IO_UNION) + 4748 (j - 1) * sizeof (MPI2_IEEE_SGE_SIMPLE64)) >> 4); 4749 ieeesgechain = (pMpi25IeeeSgeChain64_t)ieeesge; 4750 chainflags = (MPI2_IEEE_SGE_FLAGS_CHAIN_ELEMENT | 4751 MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR); 4752 ddi_put8(acc_hdl, &ieeesgechain->Flags, chainflags); 4753 4754 /* 4755 * The size of the next frame is the accurate size of space 4756 * (in bytes) used to store the SGL elements. j is the counter 4757 * of SGL elements. (j - 1) is the number of SGL elements that 4758 * have been processed (stored in frames). 4759 */ 4760 if (frames >= 2) { 4761 ASSERT(mpt->m_req_frame_size >= 4762 sizeof (MPI2_IEEE_SGE_SIMPLE64)); 4763 chainlength = mpt->m_req_frame_size / 4764 sizeof (MPI2_IEEE_SGE_SIMPLE64) * 4765 sizeof (MPI2_IEEE_SGE_SIMPLE64); 4766 } else { 4767 chainlength = ((cookiec - (j - 1)) * 4768 sizeof (MPI2_IEEE_SGE_SIMPLE64)); 4769 } 4770 4771 p = cmd->cmd_extra_frames; 4772 4773 ddi_put32(acc_hdl, &ieeesgechain->Length, chainlength); 4774 ddi_put32(acc_hdl, &ieeesgechain->Address.Low, p->m_phys_addr); 4775 ddi_put32(acc_hdl, &ieeesgechain->Address.High, p->m_phys_addr >> 32); 4776 4777 /* 4778 * If there are more than 2 frames left we have to 4779 * fill in the next chain offset to the location of 4780 * the chain element in the next frame. 4781 * sgemax is the number of simple elements in an extra 4782 * frame. Note that the value NextChainOffset should be 4783 * in double-words (4 bytes). 4784 */ 4785 if (frames >= 2) { 4786 ddi_put8(acc_hdl, &ieeesgechain->NextChainOffset, 4787 (sgemax * sizeof (MPI2_IEEE_SGE_SIMPLE64)) >> 4); 4788 } else { 4789 ddi_put8(acc_hdl, &ieeesgechain->NextChainOffset, 0); 4790 } 4791 4792 /* 4793 * Jump to next frame; 4794 * Starting here, chain buffers go into the per command SGL. 4795 * This buffer is allocated when chain buffers are needed. 4796 */ 4797 ieeesge = (pMpi2IeeeSgeSimple64_t)p->m_frames_addr; 4798 i = cookiec; 4799 4800 /* 4801 * Start filling in frames with SGE's. If we 4802 * reach the end of frame and still have SGE's 4803 * to fill we need to add a chain element and 4804 * use another frame. j will be our counter 4805 * for what cookie we are at and i will be 4806 * the total cookiec. k is the current frame 4807 */ 4808 for (k = 1; k <= frames; k++) { 4809 for (l = 1; (l <= (sgemax + 1)) && (j <= i); j++, l++) { 4810 4811 /* 4812 * If we have reached the end of frame 4813 * and we have more SGE's to fill in 4814 * we have to fill the final entry 4815 * with a chain element and then 4816 * continue to the next frame 4817 */ 4818 if ((l == (sgemax + 1)) && (k != frames)) { 4819 ieeesgechain = (pMpi25IeeeSgeChain64_t)ieeesge; 4820 j--; 4821 chainflags = 4822 MPI2_IEEE_SGE_FLAGS_CHAIN_ELEMENT | 4823 MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR; 4824 ddi_put8(p->m_acc_hdl, 4825 &ieeesgechain->Flags, chainflags); 4826 /* 4827 * k is the frame counter and (k + 1) 4828 * is the number of the next frame. 4829 * Note that frames are in contiguous 4830 * memory space. 4831 */ 4832 nframe_phys_addr = p->m_phys_addr + 4833 (mpt->m_req_frame_size * k); 4834 ddi_put32(p->m_acc_hdl, 4835 &ieeesgechain->Address.Low, 4836 nframe_phys_addr); 4837 ddi_put32(p->m_acc_hdl, 4838 &ieeesgechain->Address.High, 4839 nframe_phys_addr >> 32); 4840 4841 /* 4842 * If there are more than 2 frames left 4843 * we have to next chain offset to 4844 * the location of the chain element 4845 * in the next frame and fill in the 4846 * length of the next chain 4847 */ 4848 if ((frames - k) >= 2) { 4849 ddi_put8(p->m_acc_hdl, 4850 &ieeesgechain->NextChainOffset, 4851 (sgemax * 4852 sizeof (MPI2_IEEE_SGE_SIMPLE64)) 4853 >> 4); 4854 ASSERT(mpt->m_req_frame_size >= 4855 sizeof (MPI2_IEEE_SGE_SIMPLE64)); 4856 ddi_put32(p->m_acc_hdl, 4857 &ieeesgechain->Length, 4858 mpt->m_req_frame_size / 4859 sizeof (MPI2_IEEE_SGE_SIMPLE64) * 4860 sizeof (MPI2_IEEE_SGE_SIMPLE64)); 4861 } else { 4862 /* 4863 * This is the last frame. Set 4864 * the NextChainOffset to 0 and 4865 * Length is the total size of 4866 * all remaining simple elements 4867 */ 4868 ddi_put8(p->m_acc_hdl, 4869 &ieeesgechain->NextChainOffset, 4870 0); 4871 ddi_put32(p->m_acc_hdl, 4872 &ieeesgechain->Length, 4873 (cookiec - j) * 4874 sizeof (MPI2_IEEE_SGE_SIMPLE64)); 4875 } 4876 4877 /* Jump to the next frame */ 4878 ieeesge = (pMpi2IeeeSgeSimple64_t) 4879 ((char *)p->m_frames_addr + 4880 (int)mpt->m_req_frame_size * k); 4881 4882 continue; 4883 } 4884 4885 ddi_put32(p->m_acc_hdl, 4886 &ieeesge->Address.Low, 4887 dmap->addr.address64.Low); 4888 ddi_put32(p->m_acc_hdl, 4889 &ieeesge->Address.High, 4890 dmap->addr.address64.High); 4891 ddi_put32(p->m_acc_hdl, 4892 &ieeesge->Length, dmap->count); 4893 flags = (MPI2_IEEE_SGE_FLAGS_SIMPLE_ELEMENT | 4894 MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR); 4895 4896 /* 4897 * If we are at the end of the frame and 4898 * there is another frame to fill in 4899 * do we need to do anything? 4900 * if ((l == sgemax) && (k != frames)) { 4901 * } 4902 */ 4903 4904 /* 4905 * If this is the final cookie set end of list. 4906 */ 4907 if (j == i) { 4908 flags |= MPI25_IEEE_SGE_FLAGS_END_OF_LIST; 4909 } 4910 4911 ddi_put8(p->m_acc_hdl, &ieeesge->Flags, flags); 4912 dmap++; 4913 ieeesge++; 4914 } 4915 } 4916 4917 /* 4918 * Sync DMA with the chain buffers that were just created 4919 */ 4920 (void) ddi_dma_sync(p->m_dma_hdl, 0, 0, DDI_DMA_SYNC_FORDEV); 4921 } 4922 4923 static void 4924 mptsas_sge_setup(mptsas_t *mpt, mptsas_cmd_t *cmd, uint32_t *control, 4925 pMpi2SCSIIORequest_t frame, ddi_acc_handle_t acc_hdl) 4926 { 4927 ASSERT(cmd->cmd_flags & CFLAG_DMAVALID); 4928 4929 NDBG1(("mptsas_sge_setup: cookiec=%d", cmd->cmd_cookiec)); 4930 4931 /* 4932 * Set read/write bit in control. 4933 */ 4934 if (cmd->cmd_flags & CFLAG_DMASEND) { 4935 *control |= MPI2_SCSIIO_CONTROL_WRITE; 4936 } else { 4937 *control |= MPI2_SCSIIO_CONTROL_READ; 4938 } 4939 4940 ddi_put32(acc_hdl, &frame->DataLength, cmd->cmd_dmacount); 4941 4942 /* 4943 * We have 4 cases here. First where we can fit all the 4944 * SG elements into the main frame, and the case 4945 * where we can't. The SG element is also different when using 4946 * MPI2.5 interface. 4947 * If we have more cookies than we can attach to a frame 4948 * we will need to use a chain element to point 4949 * a location of memory where the rest of the S/G 4950 * elements reside. 4951 */ 4952 if (cmd->cmd_cookiec <= MPTSAS_MAX_FRAME_SGES64(mpt)) { 4953 if (mpt->m_MPI25) { 4954 mptsas_ieee_sge_mainframe(cmd, frame, acc_hdl, 4955 cmd->cmd_cookiec, 4956 MPI25_IEEE_SGE_FLAGS_END_OF_LIST); 4957 } else { 4958 mptsas_sge_mainframe(cmd, frame, acc_hdl, 4959 cmd->cmd_cookiec, 4960 ((uint32_t)(MPI2_SGE_FLAGS_LAST_ELEMENT 4961 | MPI2_SGE_FLAGS_END_OF_BUFFER 4962 | MPI2_SGE_FLAGS_END_OF_LIST) << 4963 MPI2_SGE_FLAGS_SHIFT)); 4964 } 4965 } else { 4966 if (mpt->m_MPI25) { 4967 mptsas_ieee_sge_chain(mpt, cmd, frame, acc_hdl); 4968 } else { 4969 mptsas_sge_chain(mpt, cmd, frame, acc_hdl); 4970 } 4971 } 4972 } 4973 4974 /* 4975 * Interrupt handling 4976 * Utility routine. Poll for status of a command sent to HBA 4977 * without interrupts (a FLAG_NOINTR command). 4978 */ 4979 int 4980 mptsas_poll(mptsas_t *mpt, mptsas_cmd_t *poll_cmd, int polltime) 4981 { 4982 int rval = TRUE; 4983 4984 NDBG5(("mptsas_poll: cmd=0x%p", (void *)poll_cmd)); 4985 4986 if ((poll_cmd->cmd_flags & CFLAG_TM_CMD) == 0) { 4987 mptsas_restart_hba(mpt); 4988 } 4989 4990 /* 4991 * Wait, using drv_usecwait(), long enough for the command to 4992 * reasonably return from the target if the target isn't 4993 * "dead". A polled command may well be sent from scsi_poll, and 4994 * there are retries built in to scsi_poll if the transport 4995 * accepted the packet (TRAN_ACCEPT). scsi_poll waits 1 second 4996 * and retries the transport up to scsi_poll_busycnt times 4997 * (currently 60) if 4998 * 1. pkt_reason is CMD_INCOMPLETE and pkt_state is 0, or 4999 * 2. pkt_reason is CMD_CMPLT and *pkt_scbp has STATUS_BUSY 5000 * 5001 * limit the waiting to avoid a hang in the event that the 5002 * cmd never gets started but we are still receiving interrupts 5003 */ 5004 while (!(poll_cmd->cmd_flags & CFLAG_FINISHED)) { 5005 if (mptsas_wait_intr(mpt, polltime) == FALSE) { 5006 NDBG5(("mptsas_poll: command incomplete")); 5007 rval = FALSE; 5008 break; 5009 } 5010 } 5011 5012 if (rval == FALSE) { 5013 5014 /* 5015 * this isn't supposed to happen, the hba must be wedged 5016 * Mark this cmd as a timeout. 5017 */ 5018 mptsas_set_pkt_reason(mpt, poll_cmd, CMD_TIMEOUT, 5019 (STAT_TIMEOUT|STAT_ABORTED)); 5020 5021 if (poll_cmd->cmd_queued == FALSE) { 5022 5023 NDBG5(("mptsas_poll: not on waitq")); 5024 5025 poll_cmd->cmd_pkt->pkt_state |= 5026 (STATE_GOT_BUS|STATE_GOT_TARGET|STATE_SENT_CMD); 5027 } else { 5028 5029 /* find and remove it from the waitq */ 5030 NDBG5(("mptsas_poll: delete from waitq")); 5031 mptsas_waitq_delete(mpt, poll_cmd); 5032 } 5033 5034 } 5035 mptsas_fma_check(mpt, poll_cmd); 5036 NDBG5(("mptsas_poll: done")); 5037 return (rval); 5038 } 5039 5040 /* 5041 * Used for polling cmds and TM function 5042 */ 5043 static int 5044 mptsas_wait_intr(mptsas_t *mpt, int polltime) 5045 { 5046 int cnt; 5047 pMpi2ReplyDescriptorsUnion_t reply_desc_union; 5048 uint32_t int_mask; 5049 5050 NDBG5(("mptsas_wait_intr")); 5051 5052 mpt->m_polled_intr = 1; 5053 5054 /* 5055 * Get the current interrupt mask and disable interrupts. When 5056 * re-enabling ints, set mask to saved value. 5057 */ 5058 int_mask = ddi_get32(mpt->m_datap, &mpt->m_reg->HostInterruptMask); 5059 MPTSAS_DISABLE_INTR(mpt); 5060 5061 /* 5062 * Keep polling for at least (polltime * 1000) seconds 5063 */ 5064 for (cnt = 0; cnt < polltime; cnt++) { 5065 (void) ddi_dma_sync(mpt->m_dma_post_queue_hdl, 0, 0, 5066 DDI_DMA_SYNC_FORCPU); 5067 5068 reply_desc_union = (pMpi2ReplyDescriptorsUnion_t) 5069 MPTSAS_GET_NEXT_REPLY(mpt, mpt->m_post_index); 5070 5071 if (ddi_get32(mpt->m_acc_post_queue_hdl, 5072 &reply_desc_union->Words.Low) == 0xFFFFFFFF || 5073 ddi_get32(mpt->m_acc_post_queue_hdl, 5074 &reply_desc_union->Words.High) == 0xFFFFFFFF) { 5075 drv_usecwait(1000); 5076 continue; 5077 } 5078 5079 /* 5080 * The reply is valid, process it according to its 5081 * type. 5082 */ 5083 mptsas_process_intr(mpt, reply_desc_union); 5084 5085 if (++mpt->m_post_index == mpt->m_post_queue_depth) { 5086 mpt->m_post_index = 0; 5087 } 5088 5089 /* 5090 * Update the global reply index 5091 */ 5092 ddi_put32(mpt->m_datap, 5093 &mpt->m_reg->ReplyPostHostIndex, mpt->m_post_index); 5094 mpt->m_polled_intr = 0; 5095 5096 /* 5097 * Re-enable interrupts and quit. 5098 */ 5099 ddi_put32(mpt->m_datap, &mpt->m_reg->HostInterruptMask, 5100 int_mask); 5101 return (TRUE); 5102 5103 } 5104 5105 /* 5106 * Clear polling flag, re-enable interrupts and quit. 5107 */ 5108 mpt->m_polled_intr = 0; 5109 ddi_put32(mpt->m_datap, &mpt->m_reg->HostInterruptMask, int_mask); 5110 return (FALSE); 5111 } 5112 5113 static void 5114 mptsas_handle_scsi_io_success(mptsas_t *mpt, 5115 pMpi2ReplyDescriptorsUnion_t reply_desc) 5116 { 5117 pMpi2SCSIIOSuccessReplyDescriptor_t scsi_io_success; 5118 uint16_t SMID; 5119 mptsas_slots_t *slots = mpt->m_active; 5120 mptsas_cmd_t *cmd = NULL; 5121 struct scsi_pkt *pkt; 5122 5123 ASSERT(mutex_owned(&mpt->m_mutex)); 5124 5125 scsi_io_success = (pMpi2SCSIIOSuccessReplyDescriptor_t)reply_desc; 5126 SMID = ddi_get16(mpt->m_acc_post_queue_hdl, &scsi_io_success->SMID); 5127 5128 /* 5129 * This is a success reply so just complete the IO. First, do a sanity 5130 * check on the SMID. The final slot is used for TM requests, which 5131 * would not come into this reply handler. 5132 */ 5133 if ((SMID == 0) || (SMID > slots->m_n_normal)) { 5134 mptsas_log(mpt, CE_WARN, "?Received invalid SMID of %d\n", 5135 SMID); 5136 ddi_fm_service_impact(mpt->m_dip, DDI_SERVICE_UNAFFECTED); 5137 return; 5138 } 5139 5140 cmd = slots->m_slot[SMID]; 5141 5142 /* 5143 * print warning and return if the slot is empty 5144 */ 5145 if (cmd == NULL) { 5146 mptsas_log(mpt, CE_WARN, "?NULL command for successful SCSI IO " 5147 "in slot %d", SMID); 5148 return; 5149 } 5150 5151 pkt = CMD2PKT(cmd); 5152 pkt->pkt_state |= (STATE_GOT_BUS | STATE_GOT_TARGET | STATE_SENT_CMD | 5153 STATE_GOT_STATUS); 5154 if (cmd->cmd_flags & CFLAG_DMAVALID) { 5155 pkt->pkt_state |= STATE_XFERRED_DATA; 5156 } 5157 pkt->pkt_resid = 0; 5158 5159 if (cmd->cmd_flags & CFLAG_PASSTHRU) { 5160 cmd->cmd_flags |= CFLAG_FINISHED; 5161 cv_broadcast(&mpt->m_passthru_cv); 5162 return; 5163 } else { 5164 mptsas_remove_cmd(mpt, cmd); 5165 } 5166 5167 if (cmd->cmd_flags & CFLAG_RETRY) { 5168 /* 5169 * The target returned QFULL or busy, do not add tihs 5170 * pkt to the doneq since the hba will retry 5171 * this cmd. 5172 * 5173 * The pkt has already been resubmitted in 5174 * mptsas_handle_qfull() or in mptsas_check_scsi_io_error(). 5175 * Remove this cmd_flag here. 5176 */ 5177 cmd->cmd_flags &= ~CFLAG_RETRY; 5178 } else { 5179 mptsas_doneq_add(mpt, cmd); 5180 } 5181 } 5182 5183 static void 5184 mptsas_handle_address_reply(mptsas_t *mpt, 5185 pMpi2ReplyDescriptorsUnion_t reply_desc) 5186 { 5187 pMpi2AddressReplyDescriptor_t address_reply; 5188 pMPI2DefaultReply_t reply; 5189 mptsas_fw_diagnostic_buffer_t *pBuffer; 5190 uint32_t reply_addr, reply_frame_dma_baseaddr; 5191 uint16_t SMID, iocstatus; 5192 mptsas_slots_t *slots = mpt->m_active; 5193 mptsas_cmd_t *cmd = NULL; 5194 uint8_t function, buffer_type; 5195 m_replyh_arg_t *args; 5196 int reply_frame_no; 5197 5198 ASSERT(mutex_owned(&mpt->m_mutex)); 5199 5200 address_reply = (pMpi2AddressReplyDescriptor_t)reply_desc; 5201 reply_addr = ddi_get32(mpt->m_acc_post_queue_hdl, 5202 &address_reply->ReplyFrameAddress); 5203 SMID = ddi_get16(mpt->m_acc_post_queue_hdl, &address_reply->SMID); 5204 5205 /* 5206 * If reply frame is not in the proper range we should ignore this 5207 * message and exit the interrupt handler. 5208 */ 5209 reply_frame_dma_baseaddr = mpt->m_reply_frame_dma_addr & 0xffffffffu; 5210 if ((reply_addr < reply_frame_dma_baseaddr) || 5211 (reply_addr >= (reply_frame_dma_baseaddr + 5212 (mpt->m_reply_frame_size * mpt->m_max_replies))) || 5213 ((reply_addr - reply_frame_dma_baseaddr) % 5214 mpt->m_reply_frame_size != 0)) { 5215 mptsas_log(mpt, CE_WARN, "?Received invalid reply frame " 5216 "address 0x%x\n", reply_addr); 5217 ddi_fm_service_impact(mpt->m_dip, DDI_SERVICE_UNAFFECTED); 5218 return; 5219 } 5220 5221 (void) ddi_dma_sync(mpt->m_dma_reply_frame_hdl, 0, 0, 5222 DDI_DMA_SYNC_FORCPU); 5223 reply = (pMPI2DefaultReply_t)(mpt->m_reply_frame + (reply_addr - 5224 reply_frame_dma_baseaddr)); 5225 function = ddi_get8(mpt->m_acc_reply_frame_hdl, &reply->Function); 5226 5227 NDBG31(("mptsas_handle_address_reply: function 0x%x, reply_addr=0x%x", 5228 function, reply_addr)); 5229 5230 /* 5231 * don't get slot information and command for events since these values 5232 * don't exist 5233 */ 5234 if ((function != MPI2_FUNCTION_EVENT_NOTIFICATION) && 5235 (function != MPI2_FUNCTION_DIAG_BUFFER_POST)) { 5236 /* 5237 * This could be a TM reply, which use the last allocated SMID, 5238 * so allow for that. 5239 */ 5240 if ((SMID == 0) || (SMID > (slots->m_n_normal + 1))) { 5241 mptsas_log(mpt, CE_WARN, "?Received invalid SMID of " 5242 "%d\n", SMID); 5243 ddi_fm_service_impact(mpt->m_dip, 5244 DDI_SERVICE_UNAFFECTED); 5245 return; 5246 } 5247 5248 cmd = slots->m_slot[SMID]; 5249 5250 /* 5251 * print warning and return if the slot is empty 5252 */ 5253 if (cmd == NULL) { 5254 mptsas_log(mpt, CE_WARN, "?NULL command for address " 5255 "reply in slot %d", SMID); 5256 return; 5257 } 5258 if ((cmd->cmd_flags & 5259 (CFLAG_PASSTHRU | CFLAG_CONFIG | CFLAG_FW_DIAG))) { 5260 cmd->cmd_rfm = reply_addr; 5261 cmd->cmd_flags |= CFLAG_FINISHED; 5262 cv_broadcast(&mpt->m_passthru_cv); 5263 cv_broadcast(&mpt->m_config_cv); 5264 cv_broadcast(&mpt->m_fw_diag_cv); 5265 return; 5266 } else if (!(cmd->cmd_flags & CFLAG_FW_CMD)) { 5267 mptsas_remove_cmd(mpt, cmd); 5268 } 5269 NDBG31(("\t\tmptsas_process_intr: slot=%d", SMID)); 5270 } 5271 /* 5272 * Depending on the function, we need to handle 5273 * the reply frame (and cmd) differently. 5274 */ 5275 switch (function) { 5276 case MPI2_FUNCTION_SCSI_IO_REQUEST: 5277 mptsas_check_scsi_io_error(mpt, (pMpi2SCSIIOReply_t)reply, cmd); 5278 break; 5279 case MPI2_FUNCTION_SCSI_TASK_MGMT: 5280 cmd->cmd_rfm = reply_addr; 5281 mptsas_check_task_mgt(mpt, (pMpi2SCSIManagementReply_t)reply, 5282 cmd); 5283 break; 5284 case MPI2_FUNCTION_FW_DOWNLOAD: 5285 cmd->cmd_flags |= CFLAG_FINISHED; 5286 cv_signal(&mpt->m_fw_cv); 5287 break; 5288 case MPI2_FUNCTION_EVENT_NOTIFICATION: 5289 reply_frame_no = (reply_addr - reply_frame_dma_baseaddr) / 5290 mpt->m_reply_frame_size; 5291 args = &mpt->m_replyh_args[reply_frame_no]; 5292 args->mpt = (void *)mpt; 5293 args->rfm = reply_addr; 5294 5295 /* 5296 * Record the event if its type is enabled in 5297 * this mpt instance by ioctl. 5298 */ 5299 mptsas_record_event(args); 5300 5301 /* 5302 * Handle time critical events 5303 * NOT_RESPONDING/ADDED only now 5304 */ 5305 if (mptsas_handle_event_sync(args) == DDI_SUCCESS) { 5306 /* 5307 * Would not return main process, 5308 * just let taskq resolve ack action 5309 * and ack would be sent in taskq thread 5310 */ 5311 NDBG20(("send mptsas_handle_event_sync success")); 5312 } 5313 5314 if (mpt->m_in_reset) { 5315 NDBG20(("dropping event received during reset")); 5316 return; 5317 } 5318 5319 if ((ddi_taskq_dispatch(mpt->m_event_taskq, mptsas_handle_event, 5320 (void *)args, DDI_NOSLEEP)) != DDI_SUCCESS) { 5321 mptsas_log(mpt, CE_WARN, "No memory available" 5322 "for dispatch taskq"); 5323 /* 5324 * Return the reply frame to the free queue. 5325 */ 5326 ddi_put32(mpt->m_acc_free_queue_hdl, 5327 &((uint32_t *)(void *) 5328 mpt->m_free_queue)[mpt->m_free_index], reply_addr); 5329 (void) ddi_dma_sync(mpt->m_dma_free_queue_hdl, 0, 0, 5330 DDI_DMA_SYNC_FORDEV); 5331 if (++mpt->m_free_index == mpt->m_free_queue_depth) { 5332 mpt->m_free_index = 0; 5333 } 5334 5335 ddi_put32(mpt->m_datap, 5336 &mpt->m_reg->ReplyFreeHostIndex, mpt->m_free_index); 5337 } 5338 return; 5339 case MPI2_FUNCTION_DIAG_BUFFER_POST: 5340 /* 5341 * If SMID is 0, this implies that the reply is due to a 5342 * release function with a status that the buffer has been 5343 * released. Set the buffer flags accordingly. 5344 */ 5345 if (SMID == 0) { 5346 iocstatus = ddi_get16(mpt->m_acc_reply_frame_hdl, 5347 &reply->IOCStatus); 5348 buffer_type = ddi_get8(mpt->m_acc_reply_frame_hdl, 5349 &(((pMpi2DiagBufferPostReply_t)reply)->BufferType)); 5350 if (iocstatus == MPI2_IOCSTATUS_DIAGNOSTIC_RELEASED) { 5351 pBuffer = 5352 &mpt->m_fw_diag_buffer_list[buffer_type]; 5353 pBuffer->valid_data = TRUE; 5354 pBuffer->owned_by_firmware = FALSE; 5355 pBuffer->immediate = FALSE; 5356 } 5357 } else { 5358 /* 5359 * Normal handling of diag post reply with SMID. 5360 */ 5361 cmd = slots->m_slot[SMID]; 5362 5363 /* 5364 * print warning and return if the slot is empty 5365 */ 5366 if (cmd == NULL) { 5367 mptsas_log(mpt, CE_WARN, "?NULL command for " 5368 "address reply in slot %d", SMID); 5369 return; 5370 } 5371 cmd->cmd_rfm = reply_addr; 5372 cmd->cmd_flags |= CFLAG_FINISHED; 5373 cv_broadcast(&mpt->m_fw_diag_cv); 5374 } 5375 return; 5376 default: 5377 mptsas_log(mpt, CE_WARN, "Unknown function 0x%x ", function); 5378 break; 5379 } 5380 5381 /* 5382 * Return the reply frame to the free queue. 5383 */ 5384 ddi_put32(mpt->m_acc_free_queue_hdl, 5385 &((uint32_t *)(void *)mpt->m_free_queue)[mpt->m_free_index], 5386 reply_addr); 5387 (void) ddi_dma_sync(mpt->m_dma_free_queue_hdl, 0, 0, 5388 DDI_DMA_SYNC_FORDEV); 5389 if (++mpt->m_free_index == mpt->m_free_queue_depth) { 5390 mpt->m_free_index = 0; 5391 } 5392 ddi_put32(mpt->m_datap, &mpt->m_reg->ReplyFreeHostIndex, 5393 mpt->m_free_index); 5394 5395 if (cmd->cmd_flags & CFLAG_FW_CMD) 5396 return; 5397 5398 if (cmd->cmd_flags & CFLAG_RETRY) { 5399 /* 5400 * The target returned QFULL or busy, do not add this 5401 * pkt to the doneq since the hba will retry 5402 * this cmd. 5403 * 5404 * The pkt has already been resubmitted in 5405 * mptsas_handle_qfull() or in mptsas_check_scsi_io_error(). 5406 * Remove this cmd_flag here. 5407 */ 5408 cmd->cmd_flags &= ~CFLAG_RETRY; 5409 } else { 5410 mptsas_doneq_add(mpt, cmd); 5411 } 5412 } 5413 5414 #ifdef MPTSAS_DEBUG 5415 static uint8_t mptsas_last_sense[256]; 5416 #endif 5417 5418 static void 5419 mptsas_check_scsi_io_error(mptsas_t *mpt, pMpi2SCSIIOReply_t reply, 5420 mptsas_cmd_t *cmd) 5421 { 5422 uint8_t scsi_status, scsi_state; 5423 uint16_t ioc_status, cmd_rqs_len; 5424 uint32_t xferred, sensecount, responsedata, loginfo = 0; 5425 struct scsi_pkt *pkt; 5426 struct scsi_arq_status *arqstat; 5427 mptsas_target_t *ptgt = cmd->cmd_tgt_addr; 5428 uint8_t *sensedata = NULL; 5429 uint64_t sas_wwn; 5430 uint8_t phy; 5431 char wwn_str[MPTSAS_WWN_STRLEN]; 5432 5433 scsi_status = ddi_get8(mpt->m_acc_reply_frame_hdl, &reply->SCSIStatus); 5434 ioc_status = ddi_get16(mpt->m_acc_reply_frame_hdl, &reply->IOCStatus); 5435 scsi_state = ddi_get8(mpt->m_acc_reply_frame_hdl, &reply->SCSIState); 5436 xferred = ddi_get32(mpt->m_acc_reply_frame_hdl, &reply->TransferCount); 5437 sensecount = ddi_get32(mpt->m_acc_reply_frame_hdl, &reply->SenseCount); 5438 responsedata = ddi_get32(mpt->m_acc_reply_frame_hdl, 5439 &reply->ResponseInfo); 5440 5441 if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) { 5442 sas_wwn = ptgt->m_addr.mta_wwn; 5443 phy = ptgt->m_phynum; 5444 if (sas_wwn == 0) { 5445 (void) sprintf(wwn_str, "p%x", phy); 5446 } else { 5447 (void) sprintf(wwn_str, "w%016"PRIx64, sas_wwn); 5448 } 5449 loginfo = ddi_get32(mpt->m_acc_reply_frame_hdl, 5450 &reply->IOCLogInfo); 5451 mptsas_log(mpt, CE_NOTE, 5452 "?Log info 0x%x received for target %d %s.\n" 5453 "\tscsi_status=0x%x, ioc_status=0x%x, scsi_state=0x%x", 5454 loginfo, Tgt(cmd), wwn_str, scsi_status, ioc_status, 5455 scsi_state); 5456 } 5457 5458 NDBG31(("\t\tscsi_status=0x%x, ioc_status=0x%x, scsi_state=0x%x", 5459 scsi_status, ioc_status, scsi_state)); 5460 5461 pkt = CMD2PKT(cmd); 5462 *(pkt->pkt_scbp) = scsi_status; 5463 5464 if (loginfo == 0x31170000) { 5465 /* 5466 * if loginfo PL_LOGINFO_CODE_IO_DEVICE_MISSING_DELAY_RETRY 5467 * 0x31170000 comes, that means the device missing delay 5468 * is in progressing, the command need retry later. 5469 */ 5470 *(pkt->pkt_scbp) = STATUS_BUSY; 5471 return; 5472 } 5473 5474 if ((scsi_state & MPI2_SCSI_STATE_NO_SCSI_STATUS) && 5475 ((ioc_status & MPI2_IOCSTATUS_MASK) == 5476 MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE)) { 5477 pkt->pkt_reason = CMD_INCOMPLETE; 5478 pkt->pkt_state |= STATE_GOT_BUS; 5479 if (ptgt->m_reset_delay == 0) { 5480 mptsas_set_throttle(mpt, ptgt, 5481 DRAIN_THROTTLE); 5482 } 5483 return; 5484 } 5485 5486 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) { 5487 responsedata &= 0x000000FF; 5488 if (responsedata & MPTSAS_SCSI_RESPONSE_CODE_TLR_OFF) { 5489 mptsas_log(mpt, CE_NOTE, "Do not support the TLR\n"); 5490 pkt->pkt_reason = CMD_TLR_OFF; 5491 return; 5492 } 5493 } 5494 5495 5496 switch (scsi_status) { 5497 case MPI2_SCSI_STATUS_CHECK_CONDITION: 5498 pkt->pkt_resid = (cmd->cmd_dmacount - xferred); 5499 arqstat = (void*)(pkt->pkt_scbp); 5500 arqstat->sts_rqpkt_status = *((struct scsi_status *) 5501 (pkt->pkt_scbp)); 5502 pkt->pkt_state |= (STATE_GOT_BUS | STATE_GOT_TARGET | 5503 STATE_SENT_CMD | STATE_GOT_STATUS | STATE_ARQ_DONE); 5504 if (cmd->cmd_flags & CFLAG_XARQ) { 5505 pkt->pkt_state |= STATE_XARQ_DONE; 5506 } 5507 if (pkt->pkt_resid != cmd->cmd_dmacount) { 5508 pkt->pkt_state |= STATE_XFERRED_DATA; 5509 } 5510 arqstat->sts_rqpkt_reason = pkt->pkt_reason; 5511 arqstat->sts_rqpkt_state = pkt->pkt_state; 5512 arqstat->sts_rqpkt_state |= STATE_XFERRED_DATA; 5513 arqstat->sts_rqpkt_statistics = pkt->pkt_statistics; 5514 sensedata = (uint8_t *)&arqstat->sts_sensedata; 5515 cmd_rqs_len = cmd->cmd_extrqslen ? 5516 cmd->cmd_extrqslen : cmd->cmd_rqslen; 5517 (void) ddi_dma_sync(mpt->m_dma_req_sense_hdl, 0, 0, 5518 DDI_DMA_SYNC_FORKERNEL); 5519 #ifdef MPTSAS_DEBUG 5520 bcopy(cmd->cmd_arq_buf, mptsas_last_sense, 5521 ((cmd_rqs_len >= sizeof (mptsas_last_sense)) ? 5522 sizeof (mptsas_last_sense):cmd_rqs_len)); 5523 #endif 5524 bcopy((uchar_t *)cmd->cmd_arq_buf, sensedata, 5525 ((cmd_rqs_len >= sensecount) ? sensecount : 5526 cmd_rqs_len)); 5527 arqstat->sts_rqpkt_resid = (cmd_rqs_len - sensecount); 5528 cmd->cmd_flags |= CFLAG_CMDARQ; 5529 /* 5530 * Set proper status for pkt if autosense was valid 5531 */ 5532 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) { 5533 struct scsi_status zero_status = { 0 }; 5534 arqstat->sts_rqpkt_status = zero_status; 5535 } 5536 5537 /* 5538 * ASC=0x47 is parity error 5539 * ASC=0x48 is initiator detected error received 5540 */ 5541 if ((scsi_sense_key(sensedata) == KEY_ABORTED_COMMAND) && 5542 ((scsi_sense_asc(sensedata) == 0x47) || 5543 (scsi_sense_asc(sensedata) == 0x48))) { 5544 mptsas_log(mpt, CE_NOTE, "Aborted_command!"); 5545 } 5546 5547 /* 5548 * ASC/ASCQ=0x3F/0x0E means report_luns data changed 5549 * ASC/ASCQ=0x25/0x00 means invalid lun 5550 */ 5551 if (((scsi_sense_key(sensedata) == KEY_UNIT_ATTENTION) && 5552 (scsi_sense_asc(sensedata) == 0x3F) && 5553 (scsi_sense_ascq(sensedata) == 0x0E)) || 5554 ((scsi_sense_key(sensedata) == KEY_ILLEGAL_REQUEST) && 5555 (scsi_sense_asc(sensedata) == 0x25) && 5556 (scsi_sense_ascq(sensedata) == 0x00))) { 5557 mptsas_topo_change_list_t *topo_node = NULL; 5558 5559 topo_node = kmem_zalloc( 5560 sizeof (mptsas_topo_change_list_t), 5561 KM_NOSLEEP); 5562 if (topo_node == NULL) { 5563 mptsas_log(mpt, CE_NOTE, "No memory" 5564 "resource for handle SAS dynamic" 5565 "reconfigure.\n"); 5566 break; 5567 } 5568 topo_node->mpt = mpt; 5569 topo_node->event = MPTSAS_DR_EVENT_RECONFIG_TARGET; 5570 topo_node->un.phymask = ptgt->m_addr.mta_phymask; 5571 topo_node->devhdl = ptgt->m_devhdl; 5572 topo_node->object = (void *)ptgt; 5573 topo_node->flags = MPTSAS_TOPO_FLAG_LUN_ASSOCIATED; 5574 5575 if ((ddi_taskq_dispatch(mpt->m_dr_taskq, 5576 mptsas_handle_dr, 5577 (void *)topo_node, 5578 DDI_NOSLEEP)) != DDI_SUCCESS) { 5579 kmem_free(topo_node, 5580 sizeof (mptsas_topo_change_list_t)); 5581 mptsas_log(mpt, CE_NOTE, "mptsas start taskq" 5582 "for handle SAS dynamic reconfigure" 5583 "failed. \n"); 5584 } 5585 } 5586 break; 5587 case MPI2_SCSI_STATUS_GOOD: 5588 switch (ioc_status & MPI2_IOCSTATUS_MASK) { 5589 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE: 5590 pkt->pkt_reason = CMD_DEV_GONE; 5591 pkt->pkt_state |= STATE_GOT_BUS; 5592 if (ptgt->m_reset_delay == 0) { 5593 mptsas_set_throttle(mpt, ptgt, DRAIN_THROTTLE); 5594 } 5595 NDBG31(("lost disk for target%d, command:%x", 5596 Tgt(cmd), pkt->pkt_cdbp[0])); 5597 break; 5598 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN: 5599 NDBG31(("data overrun: xferred=%d", xferred)); 5600 NDBG31(("dmacount=%d", cmd->cmd_dmacount)); 5601 pkt->pkt_reason = CMD_DATA_OVR; 5602 pkt->pkt_state |= (STATE_GOT_BUS | STATE_GOT_TARGET 5603 | STATE_SENT_CMD | STATE_GOT_STATUS 5604 | STATE_XFERRED_DATA); 5605 pkt->pkt_resid = 0; 5606 break; 5607 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: 5608 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN: 5609 NDBG31(("data underrun: xferred=%d", xferred)); 5610 NDBG31(("dmacount=%d", cmd->cmd_dmacount)); 5611 pkt->pkt_state |= (STATE_GOT_BUS | STATE_GOT_TARGET 5612 | STATE_SENT_CMD | STATE_GOT_STATUS); 5613 pkt->pkt_resid = (cmd->cmd_dmacount - xferred); 5614 if (pkt->pkt_resid != cmd->cmd_dmacount) { 5615 pkt->pkt_state |= STATE_XFERRED_DATA; 5616 } 5617 break; 5618 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED: 5619 if (cmd->cmd_active_expiration <= gethrtime()) { 5620 /* 5621 * When timeout requested, propagate 5622 * proper reason and statistics to 5623 * target drivers. 5624 */ 5625 mptsas_set_pkt_reason(mpt, cmd, CMD_TIMEOUT, 5626 STAT_BUS_RESET | STAT_TIMEOUT); 5627 } else { 5628 mptsas_set_pkt_reason(mpt, cmd, CMD_RESET, 5629 STAT_BUS_RESET); 5630 } 5631 break; 5632 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED: 5633 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED: 5634 mptsas_set_pkt_reason(mpt, 5635 cmd, CMD_RESET, STAT_DEV_RESET); 5636 break; 5637 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR: 5638 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: 5639 pkt->pkt_state |= (STATE_GOT_BUS | STATE_GOT_TARGET); 5640 mptsas_set_pkt_reason(mpt, 5641 cmd, CMD_TERMINATED, STAT_TERMINATED); 5642 break; 5643 case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES: 5644 case MPI2_IOCSTATUS_BUSY: 5645 /* 5646 * set throttles to drain 5647 */ 5648 for (ptgt = refhash_first(mpt->m_targets); ptgt != NULL; 5649 ptgt = refhash_next(mpt->m_targets, ptgt)) { 5650 mptsas_set_throttle(mpt, ptgt, DRAIN_THROTTLE); 5651 } 5652 5653 /* 5654 * retry command 5655 */ 5656 cmd->cmd_flags |= CFLAG_RETRY; 5657 cmd->cmd_pkt_flags |= FLAG_HEAD; 5658 5659 (void) mptsas_accept_pkt(mpt, cmd); 5660 break; 5661 default: 5662 mptsas_log(mpt, CE_WARN, 5663 "unknown ioc_status = %x\n", ioc_status); 5664 mptsas_log(mpt, CE_CONT, "scsi_state = %x, transfer " 5665 "count = %x, scsi_status = %x", scsi_state, 5666 xferred, scsi_status); 5667 break; 5668 } 5669 break; 5670 case MPI2_SCSI_STATUS_TASK_SET_FULL: 5671 mptsas_handle_qfull(mpt, cmd); 5672 break; 5673 case MPI2_SCSI_STATUS_BUSY: 5674 NDBG31(("scsi_status busy received")); 5675 break; 5676 case MPI2_SCSI_STATUS_RESERVATION_CONFLICT: 5677 NDBG31(("scsi_status reservation conflict received")); 5678 break; 5679 default: 5680 mptsas_log(mpt, CE_WARN, "scsi_status=%x, ioc_status=%x\n", 5681 scsi_status, ioc_status); 5682 mptsas_log(mpt, CE_WARN, 5683 "mptsas_process_intr: invalid scsi status\n"); 5684 break; 5685 } 5686 } 5687 5688 static void 5689 mptsas_check_task_mgt(mptsas_t *mpt, pMpi2SCSIManagementReply_t reply, 5690 mptsas_cmd_t *cmd) 5691 { 5692 uint8_t task_type; 5693 uint16_t ioc_status; 5694 uint32_t log_info; 5695 uint16_t dev_handle; 5696 struct scsi_pkt *pkt = CMD2PKT(cmd); 5697 5698 task_type = ddi_get8(mpt->m_acc_reply_frame_hdl, &reply->TaskType); 5699 ioc_status = ddi_get16(mpt->m_acc_reply_frame_hdl, &reply->IOCStatus); 5700 log_info = ddi_get32(mpt->m_acc_reply_frame_hdl, &reply->IOCLogInfo); 5701 dev_handle = ddi_get16(mpt->m_acc_reply_frame_hdl, &reply->DevHandle); 5702 5703 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { 5704 mptsas_log(mpt, CE_WARN, "mptsas_check_task_mgt: Task 0x%x " 5705 "failed. IOCStatus=0x%x IOCLogInfo=0x%x target=%d\n", 5706 task_type, ioc_status, log_info, dev_handle); 5707 pkt->pkt_reason = CMD_INCOMPLETE; 5708 return; 5709 } 5710 5711 switch (task_type) { 5712 case MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK: 5713 case MPI2_SCSITASKMGMT_TASKTYPE_CLEAR_TASK_SET: 5714 case MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK: 5715 case MPI2_SCSITASKMGMT_TASKTYPE_CLR_ACA: 5716 case MPI2_SCSITASKMGMT_TASKTYPE_QRY_TASK_SET: 5717 case MPI2_SCSITASKMGMT_TASKTYPE_QRY_UNIT_ATTENTION: 5718 break; 5719 case MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET: 5720 case MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET: 5721 case MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET: 5722 /* 5723 * Check for invalid DevHandle of 0 in case application 5724 * sends bad command. DevHandle of 0 could cause problems. 5725 */ 5726 if (dev_handle == 0) { 5727 mptsas_log(mpt, CE_WARN, "!Can't flush target with" 5728 " DevHandle of 0."); 5729 } else { 5730 mptsas_flush_target(mpt, dev_handle, Lun(cmd), 5731 task_type); 5732 } 5733 break; 5734 default: 5735 mptsas_log(mpt, CE_WARN, "Unknown task management type %d.", 5736 task_type); 5737 mptsas_log(mpt, CE_WARN, "ioc status = %x", ioc_status); 5738 break; 5739 } 5740 } 5741 5742 static void 5743 mptsas_doneq_thread(mptsas_doneq_thread_arg_t *arg) 5744 { 5745 mptsas_t *mpt = arg->mpt; 5746 uint64_t t = arg->t; 5747 mptsas_cmd_t *cmd; 5748 struct scsi_pkt *pkt; 5749 mptsas_doneq_thread_list_t *item = &mpt->m_doneq_thread_id[t]; 5750 5751 mutex_enter(&item->mutex); 5752 while (item->flag & MPTSAS_DONEQ_THREAD_ACTIVE) { 5753 if (!item->doneq) { 5754 cv_wait(&item->cv, &item->mutex); 5755 } 5756 pkt = NULL; 5757 if ((cmd = mptsas_doneq_thread_rm(mpt, t)) != NULL) { 5758 cmd->cmd_flags |= CFLAG_COMPLETED; 5759 pkt = CMD2PKT(cmd); 5760 } 5761 mutex_exit(&item->mutex); 5762 if (pkt) { 5763 mptsas_pkt_comp(pkt, cmd); 5764 } 5765 mutex_enter(&item->mutex); 5766 } 5767 mutex_exit(&item->mutex); 5768 mutex_enter(&mpt->m_doneq_mutex); 5769 mpt->m_doneq_thread_n--; 5770 cv_broadcast(&mpt->m_doneq_thread_cv); 5771 mutex_exit(&mpt->m_doneq_mutex); 5772 } 5773 5774 5775 /* 5776 * mpt interrupt handler. 5777 */ 5778 static uint_t 5779 mptsas_intr(caddr_t arg1, caddr_t arg2) 5780 { 5781 mptsas_t *mpt = (void *)arg1; 5782 pMpi2ReplyDescriptorsUnion_t reply_desc_union; 5783 uchar_t did_reply = FALSE; 5784 5785 NDBG1(("mptsas_intr: arg1 0x%p arg2 0x%p", (void *)arg1, (void *)arg2)); 5786 5787 mutex_enter(&mpt->m_mutex); 5788 5789 /* 5790 * If interrupts are shared by two channels then check whether this 5791 * interrupt is genuinely for this channel by making sure first the 5792 * chip is in high power state. 5793 */ 5794 if ((mpt->m_options & MPTSAS_OPT_PM) && 5795 (mpt->m_power_level != PM_LEVEL_D0)) { 5796 mutex_exit(&mpt->m_mutex); 5797 return (DDI_INTR_UNCLAIMED); 5798 } 5799 5800 /* 5801 * If polling, interrupt was triggered by some shared interrupt because 5802 * IOC interrupts are disabled during polling, so polling routine will 5803 * handle any replies. Considering this, if polling is happening, 5804 * return with interrupt unclaimed. 5805 */ 5806 if (mpt->m_polled_intr) { 5807 mutex_exit(&mpt->m_mutex); 5808 mptsas_log(mpt, CE_WARN, "mpt_sas: Unclaimed interrupt"); 5809 return (DDI_INTR_UNCLAIMED); 5810 } 5811 5812 /* 5813 * Read the istat register. 5814 */ 5815 if ((INTPENDING(mpt)) != 0) { 5816 /* 5817 * read fifo until empty. 5818 */ 5819 #ifndef __lock_lint 5820 _NOTE(CONSTCOND) 5821 #endif 5822 while (TRUE) { 5823 (void) ddi_dma_sync(mpt->m_dma_post_queue_hdl, 0, 0, 5824 DDI_DMA_SYNC_FORCPU); 5825 reply_desc_union = (pMpi2ReplyDescriptorsUnion_t) 5826 MPTSAS_GET_NEXT_REPLY(mpt, mpt->m_post_index); 5827 5828 if (ddi_get32(mpt->m_acc_post_queue_hdl, 5829 &reply_desc_union->Words.Low) == 0xFFFFFFFF || 5830 ddi_get32(mpt->m_acc_post_queue_hdl, 5831 &reply_desc_union->Words.High) == 0xFFFFFFFF) { 5832 break; 5833 } 5834 5835 /* 5836 * The reply is valid, process it according to its 5837 * type. Also, set a flag for updating the reply index 5838 * after they've all been processed. 5839 */ 5840 did_reply = TRUE; 5841 5842 mptsas_process_intr(mpt, reply_desc_union); 5843 5844 /* 5845 * Increment post index and roll over if needed. 5846 */ 5847 if (++mpt->m_post_index == mpt->m_post_queue_depth) { 5848 mpt->m_post_index = 0; 5849 } 5850 } 5851 5852 /* 5853 * Update the global reply index if at least one reply was 5854 * processed. 5855 */ 5856 if (did_reply) { 5857 ddi_put32(mpt->m_datap, 5858 &mpt->m_reg->ReplyPostHostIndex, mpt->m_post_index); 5859 } 5860 } else { 5861 mutex_exit(&mpt->m_mutex); 5862 return (DDI_INTR_UNCLAIMED); 5863 } 5864 NDBG1(("mptsas_intr complete")); 5865 5866 /* 5867 * If no helper threads are created, process the doneq in ISR. If 5868 * helpers are created, use the doneq length as a metric to measure the 5869 * load on the interrupt CPU. If it is long enough, which indicates the 5870 * load is heavy, then we deliver the IO completions to the helpers. 5871 * This measurement has some limitations, although it is simple and 5872 * straightforward and works well for most of the cases at present. 5873 */ 5874 if (!mpt->m_doneq_thread_n || 5875 (mpt->m_doneq_len <= mpt->m_doneq_length_threshold)) { 5876 mptsas_doneq_empty(mpt); 5877 } else { 5878 mptsas_deliver_doneq_thread(mpt); 5879 } 5880 5881 /* 5882 * If there are queued cmd, start them now. 5883 */ 5884 if (mpt->m_waitq != NULL) { 5885 mptsas_restart_waitq(mpt); 5886 } 5887 5888 mutex_exit(&mpt->m_mutex); 5889 return (DDI_INTR_CLAIMED); 5890 } 5891 5892 static void 5893 mptsas_process_intr(mptsas_t *mpt, 5894 pMpi2ReplyDescriptorsUnion_t reply_desc_union) 5895 { 5896 uint8_t reply_type; 5897 5898 ASSERT(mutex_owned(&mpt->m_mutex)); 5899 5900 /* 5901 * The reply is valid, process it according to its 5902 * type. Also, set a flag for updated the reply index 5903 * after they've all been processed. 5904 */ 5905 reply_type = ddi_get8(mpt->m_acc_post_queue_hdl, 5906 &reply_desc_union->Default.ReplyFlags); 5907 reply_type &= MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK; 5908 if (reply_type == MPI2_RPY_DESCRIPT_FLAGS_SCSI_IO_SUCCESS || 5909 reply_type == MPI25_RPY_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO_SUCCESS) { 5910 mptsas_handle_scsi_io_success(mpt, reply_desc_union); 5911 } else if (reply_type == MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY) { 5912 mptsas_handle_address_reply(mpt, reply_desc_union); 5913 } else { 5914 mptsas_log(mpt, CE_WARN, "?Bad reply type %x", reply_type); 5915 ddi_fm_service_impact(mpt->m_dip, DDI_SERVICE_UNAFFECTED); 5916 } 5917 5918 /* 5919 * Clear the reply descriptor for re-use and increment 5920 * index. 5921 */ 5922 ddi_put64(mpt->m_acc_post_queue_hdl, 5923 &((uint64_t *)(void *)mpt->m_post_queue)[mpt->m_post_index], 5924 0xFFFFFFFFFFFFFFFF); 5925 (void) ddi_dma_sync(mpt->m_dma_post_queue_hdl, 0, 0, 5926 DDI_DMA_SYNC_FORDEV); 5927 } 5928 5929 /* 5930 * handle qfull condition 5931 */ 5932 static void 5933 mptsas_handle_qfull(mptsas_t *mpt, mptsas_cmd_t *cmd) 5934 { 5935 mptsas_target_t *ptgt = cmd->cmd_tgt_addr; 5936 5937 if ((++cmd->cmd_qfull_retries > ptgt->m_qfull_retries) || 5938 (ptgt->m_qfull_retries == 0)) { 5939 /* 5940 * We have exhausted the retries on QFULL, or, 5941 * the target driver has indicated that it 5942 * wants to handle QFULL itself by setting 5943 * qfull-retries capability to 0. In either case 5944 * we want the target driver's QFULL handling 5945 * to kick in. We do this by having pkt_reason 5946 * as CMD_CMPLT and pkt_scbp as STATUS_QFULL. 5947 */ 5948 mptsas_set_throttle(mpt, ptgt, DRAIN_THROTTLE); 5949 } else { 5950 if (ptgt->m_reset_delay == 0) { 5951 ptgt->m_t_throttle = 5952 max((ptgt->m_t_ncmds - 2), 0); 5953 } 5954 5955 cmd->cmd_pkt_flags |= FLAG_HEAD; 5956 cmd->cmd_flags &= ~(CFLAG_TRANFLAG); 5957 cmd->cmd_flags |= CFLAG_RETRY; 5958 5959 (void) mptsas_accept_pkt(mpt, cmd); 5960 5961 /* 5962 * when target gives queue full status with no commands 5963 * outstanding (m_t_ncmds == 0), throttle is set to 0 5964 * (HOLD_THROTTLE), and the queue full handling start 5965 * (see psarc/1994/313); if there are commands outstanding, 5966 * throttle is set to (m_t_ncmds - 2) 5967 */ 5968 if (ptgt->m_t_throttle == HOLD_THROTTLE) { 5969 /* 5970 * By setting throttle to QFULL_THROTTLE, we 5971 * avoid submitting new commands and in 5972 * mptsas_restart_cmd find out slots which need 5973 * their throttles to be cleared. 5974 */ 5975 mptsas_set_throttle(mpt, ptgt, QFULL_THROTTLE); 5976 if (mpt->m_restart_cmd_timeid == 0) { 5977 mpt->m_restart_cmd_timeid = 5978 timeout(mptsas_restart_cmd, mpt, 5979 ptgt->m_qfull_retry_interval); 5980 } 5981 } 5982 } 5983 } 5984 5985 mptsas_phymask_t 5986 mptsas_physport_to_phymask(mptsas_t *mpt, uint8_t physport) 5987 { 5988 mptsas_phymask_t phy_mask = 0; 5989 uint8_t i = 0; 5990 5991 NDBG20(("mptsas%d physport_to_phymask enter", mpt->m_instance)); 5992 5993 ASSERT(mutex_owned(&mpt->m_mutex)); 5994 5995 /* 5996 * If physport is 0xFF, this is a RAID volume. Use phymask of 0. 5997 */ 5998 if (physport == 0xFF) { 5999 return (0); 6000 } 6001 6002 for (i = 0; i < MPTSAS_MAX_PHYS; i++) { 6003 if (mpt->m_phy_info[i].attached_devhdl && 6004 (mpt->m_phy_info[i].phy_mask != 0) && 6005 (mpt->m_phy_info[i].port_num == physport)) { 6006 phy_mask = mpt->m_phy_info[i].phy_mask; 6007 break; 6008 } 6009 } 6010 NDBG20(("mptsas%d physport_to_phymask:physport :%x phymask :%x, ", 6011 mpt->m_instance, physport, phy_mask)); 6012 return (phy_mask); 6013 } 6014 6015 /* 6016 * mpt free device handle after device gone, by use of passthrough 6017 */ 6018 static int 6019 mptsas_free_devhdl(mptsas_t *mpt, uint16_t devhdl) 6020 { 6021 Mpi2SasIoUnitControlRequest_t req; 6022 Mpi2SasIoUnitControlReply_t rep; 6023 int ret; 6024 6025 ASSERT(mutex_owned(&mpt->m_mutex)); 6026 6027 /* 6028 * Need to compose a SAS IO Unit Control request message 6029 * and call mptsas_do_passthru() function 6030 */ 6031 bzero(&req, sizeof (req)); 6032 bzero(&rep, sizeof (rep)); 6033 6034 req.Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL; 6035 req.Operation = MPI2_SAS_OP_REMOVE_DEVICE; 6036 req.DevHandle = LE_16(devhdl); 6037 6038 ret = mptsas_do_passthru(mpt, (uint8_t *)&req, (uint8_t *)&rep, NULL, 6039 sizeof (req), sizeof (rep), NULL, 0, NULL, 0, 60, FKIOCTL); 6040 if (ret != 0) { 6041 cmn_err(CE_WARN, "mptsas_free_devhdl: passthru SAS IO Unit " 6042 "Control error %d", ret); 6043 return (DDI_FAILURE); 6044 } 6045 6046 /* do passthrough success, check the ioc status */ 6047 if (LE_16(rep.IOCStatus) != MPI2_IOCSTATUS_SUCCESS) { 6048 cmn_err(CE_WARN, "mptsas_free_devhdl: passthru SAS IO Unit " 6049 "Control IOCStatus %d", LE_16(rep.IOCStatus)); 6050 return (DDI_FAILURE); 6051 } 6052 6053 return (DDI_SUCCESS); 6054 } 6055 6056 static void 6057 mptsas_update_phymask(mptsas_t *mpt) 6058 { 6059 mptsas_phymask_t mask = 0, phy_mask; 6060 char *phy_mask_name; 6061 uint8_t current_port; 6062 int i, j; 6063 6064 NDBG20(("mptsas%d update phymask ", mpt->m_instance)); 6065 6066 ASSERT(mutex_owned(&mpt->m_mutex)); 6067 6068 (void) mptsas_get_sas_io_unit_page(mpt); 6069 6070 phy_mask_name = kmem_zalloc(MPTSAS_MAX_PHYS, KM_SLEEP); 6071 6072 for (i = 0; i < mpt->m_num_phys; i++) { 6073 phy_mask = 0x00; 6074 6075 if (mpt->m_phy_info[i].attached_devhdl == 0) 6076 continue; 6077 6078 bzero(phy_mask_name, sizeof (phy_mask_name)); 6079 6080 current_port = mpt->m_phy_info[i].port_num; 6081 6082 if ((mask & (1 << i)) != 0) 6083 continue; 6084 6085 for (j = 0; j < mpt->m_num_phys; j++) { 6086 if (mpt->m_phy_info[j].attached_devhdl && 6087 (mpt->m_phy_info[j].port_num == current_port)) { 6088 phy_mask |= (1 << j); 6089 } 6090 } 6091 mask = mask | phy_mask; 6092 6093 for (j = 0; j < mpt->m_num_phys; j++) { 6094 if ((phy_mask >> j) & 0x01) { 6095 mpt->m_phy_info[j].phy_mask = phy_mask; 6096 } 6097 } 6098 6099 (void) sprintf(phy_mask_name, "%x", phy_mask); 6100 6101 mutex_exit(&mpt->m_mutex); 6102 /* 6103 * register a iport, if the port has already been existed 6104 * SCSA will do nothing and just return. 6105 */ 6106 (void) scsi_hba_iport_register(mpt->m_dip, phy_mask_name); 6107 mutex_enter(&mpt->m_mutex); 6108 } 6109 kmem_free(phy_mask_name, MPTSAS_MAX_PHYS); 6110 NDBG20(("mptsas%d update phymask return", mpt->m_instance)); 6111 } 6112 6113 /* 6114 * mptsas_handle_dr is a task handler for DR, the DR action includes: 6115 * 1. Directly attched Device Added/Removed. 6116 * 2. Expander Device Added/Removed. 6117 * 3. Indirectly Attached Device Added/Expander. 6118 * 4. LUNs of a existing device status change. 6119 * 5. RAID volume created/deleted. 6120 * 6. Member of RAID volume is released because of RAID deletion. 6121 * 7. Physical disks are removed because of RAID creation. 6122 */ 6123 static void 6124 mptsas_handle_dr(void *args) { 6125 mptsas_topo_change_list_t *topo_node = NULL; 6126 mptsas_topo_change_list_t *save_node = NULL; 6127 mptsas_t *mpt; 6128 dev_info_t *parent = NULL; 6129 mptsas_phymask_t phymask = 0; 6130 char *phy_mask_name; 6131 uint8_t flags = 0, physport = 0xff; 6132 uint8_t port_update = 0; 6133 uint_t event; 6134 6135 topo_node = (mptsas_topo_change_list_t *)args; 6136 6137 mpt = topo_node->mpt; 6138 event = topo_node->event; 6139 flags = topo_node->flags; 6140 6141 phy_mask_name = kmem_zalloc(MPTSAS_MAX_PHYS, KM_SLEEP); 6142 6143 NDBG20(("mptsas%d handle_dr enter", mpt->m_instance)); 6144 6145 switch (event) { 6146 case MPTSAS_DR_EVENT_RECONFIG_TARGET: 6147 if ((flags == MPTSAS_TOPO_FLAG_DIRECT_ATTACHED_DEVICE) || 6148 (flags == MPTSAS_TOPO_FLAG_EXPANDER_ATTACHED_DEVICE) || 6149 (flags == MPTSAS_TOPO_FLAG_RAID_PHYSDRV_ASSOCIATED)) { 6150 /* 6151 * Direct attached or expander attached device added 6152 * into system or a Phys Disk that is being unhidden. 6153 */ 6154 port_update = 1; 6155 } 6156 break; 6157 case MPTSAS_DR_EVENT_RECONFIG_SMP: 6158 /* 6159 * New expander added into system, it must be the head 6160 * of topo_change_list_t 6161 */ 6162 port_update = 1; 6163 break; 6164 default: 6165 port_update = 0; 6166 break; 6167 } 6168 /* 6169 * All cases port_update == 1 may cause initiator port form change 6170 */ 6171 mutex_enter(&mpt->m_mutex); 6172 if (mpt->m_port_chng && port_update) { 6173 /* 6174 * mpt->m_port_chng flag indicates some PHYs of initiator 6175 * port have changed to online. So when expander added or 6176 * directly attached device online event come, we force to 6177 * update port information by issueing SAS IO Unit Page and 6178 * update PHYMASKs. 6179 */ 6180 (void) mptsas_update_phymask(mpt); 6181 mpt->m_port_chng = 0; 6182 6183 } 6184 mutex_exit(&mpt->m_mutex); 6185 while (topo_node) { 6186 phymask = 0; 6187 if (parent == NULL) { 6188 physport = topo_node->un.physport; 6189 event = topo_node->event; 6190 flags = topo_node->flags; 6191 if (event & (MPTSAS_DR_EVENT_OFFLINE_TARGET | 6192 MPTSAS_DR_EVENT_OFFLINE_SMP)) { 6193 /* 6194 * For all offline events, phymask is known 6195 */ 6196 phymask = topo_node->un.phymask; 6197 goto find_parent; 6198 } 6199 if (event & MPTSAS_TOPO_FLAG_REMOVE_HANDLE) { 6200 goto handle_topo_change; 6201 } 6202 if (flags & MPTSAS_TOPO_FLAG_LUN_ASSOCIATED) { 6203 phymask = topo_node->un.phymask; 6204 goto find_parent; 6205 } 6206 6207 if ((flags == 6208 MPTSAS_TOPO_FLAG_RAID_PHYSDRV_ASSOCIATED) && 6209 (event == MPTSAS_DR_EVENT_RECONFIG_TARGET)) { 6210 /* 6211 * There is no any field in IR_CONFIG_CHANGE 6212 * event indicate physport/phynum, let's get 6213 * parent after SAS Device Page0 request. 6214 */ 6215 goto handle_topo_change; 6216 } 6217 6218 mutex_enter(&mpt->m_mutex); 6219 if (flags == MPTSAS_TOPO_FLAG_DIRECT_ATTACHED_DEVICE) { 6220 /* 6221 * If the direct attached device added or a 6222 * phys disk is being unhidden, argument 6223 * physport actually is PHY#, so we have to get 6224 * phymask according PHY#. 6225 */ 6226 physport = mpt->m_phy_info[physport].port_num; 6227 } 6228 6229 /* 6230 * Translate physport to phymask so that we can search 6231 * parent dip. 6232 */ 6233 phymask = mptsas_physport_to_phymask(mpt, 6234 physport); 6235 mutex_exit(&mpt->m_mutex); 6236 6237 find_parent: 6238 bzero(phy_mask_name, MPTSAS_MAX_PHYS); 6239 /* 6240 * For RAID topology change node, write the iport name 6241 * as v0. 6242 */ 6243 if (flags & MPTSAS_TOPO_FLAG_RAID_ASSOCIATED) { 6244 (void) sprintf(phy_mask_name, "v0"); 6245 } else { 6246 /* 6247 * phymask can bo 0 if the drive has been 6248 * pulled by the time an add event is 6249 * processed. If phymask is 0, just skip this 6250 * event and continue. 6251 */ 6252 if (phymask == 0) { 6253 mutex_enter(&mpt->m_mutex); 6254 save_node = topo_node; 6255 topo_node = topo_node->next; 6256 ASSERT(save_node); 6257 kmem_free(save_node, 6258 sizeof (mptsas_topo_change_list_t)); 6259 mutex_exit(&mpt->m_mutex); 6260 6261 parent = NULL; 6262 continue; 6263 } 6264 (void) sprintf(phy_mask_name, "%x", phymask); 6265 } 6266 parent = scsi_hba_iport_find(mpt->m_dip, 6267 phy_mask_name); 6268 if (parent == NULL) { 6269 mptsas_log(mpt, CE_WARN, "Failed to find an " 6270 "iport, should not happen!"); 6271 goto out; 6272 } 6273 6274 } 6275 ASSERT(parent); 6276 handle_topo_change: 6277 6278 mutex_enter(&mpt->m_mutex); 6279 /* 6280 * If HBA is being reset, don't perform operations depending 6281 * on the IOC. We must free the topo list, however. 6282 */ 6283 if (!mpt->m_in_reset) 6284 mptsas_handle_topo_change(topo_node, parent); 6285 else 6286 NDBG20(("skipping topo change received during reset")); 6287 save_node = topo_node; 6288 topo_node = topo_node->next; 6289 ASSERT(save_node); 6290 kmem_free(save_node, sizeof (mptsas_topo_change_list_t)); 6291 mutex_exit(&mpt->m_mutex); 6292 6293 if ((flags == MPTSAS_TOPO_FLAG_DIRECT_ATTACHED_DEVICE) || 6294 (flags == MPTSAS_TOPO_FLAG_RAID_PHYSDRV_ASSOCIATED) || 6295 (flags == MPTSAS_TOPO_FLAG_RAID_ASSOCIATED)) { 6296 /* 6297 * If direct attached device associated, make sure 6298 * reset the parent before start the next one. But 6299 * all devices associated with expander shares the 6300 * parent. Also, reset parent if this is for RAID. 6301 */ 6302 parent = NULL; 6303 } 6304 } 6305 out: 6306 kmem_free(phy_mask_name, MPTSAS_MAX_PHYS); 6307 } 6308 6309 static void 6310 mptsas_handle_topo_change(mptsas_topo_change_list_t *topo_node, 6311 dev_info_t *parent) 6312 { 6313 mptsas_target_t *ptgt = NULL; 6314 mptsas_smp_t *psmp = NULL; 6315 mptsas_t *mpt = (void *)topo_node->mpt; 6316 uint16_t devhdl; 6317 uint16_t attached_devhdl; 6318 uint64_t sas_wwn = 0; 6319 int rval = 0; 6320 uint32_t page_address; 6321 uint8_t phy, flags; 6322 char *addr = NULL; 6323 dev_info_t *lundip; 6324 int circ = 0, circ1 = 0; 6325 char attached_wwnstr[MPTSAS_WWN_STRLEN]; 6326 6327 NDBG20(("mptsas%d handle_topo_change enter, devhdl 0x%x," 6328 "event 0x%x, flags 0x%x", mpt->m_instance, topo_node->devhdl, 6329 topo_node->event, topo_node->flags)); 6330 6331 ASSERT(mutex_owned(&mpt->m_mutex)); 6332 6333 switch (topo_node->event) { 6334 case MPTSAS_DR_EVENT_RECONFIG_TARGET: 6335 { 6336 char *phy_mask_name; 6337 mptsas_phymask_t phymask = 0; 6338 6339 if (topo_node->flags == MPTSAS_TOPO_FLAG_RAID_ASSOCIATED) { 6340 /* 6341 * Get latest RAID info. 6342 */ 6343 (void) mptsas_get_raid_info(mpt); 6344 ptgt = refhash_linear_search(mpt->m_targets, 6345 mptsas_target_eval_devhdl, &topo_node->devhdl); 6346 if (ptgt == NULL) 6347 break; 6348 } else { 6349 ptgt = (void *)topo_node->object; 6350 } 6351 6352 if (ptgt == NULL) { 6353 /* 6354 * If a Phys Disk was deleted, RAID info needs to be 6355 * updated to reflect the new topology. 6356 */ 6357 (void) mptsas_get_raid_info(mpt); 6358 6359 /* 6360 * Get sas device page 0 by DevHandle to make sure if 6361 * SSP/SATA end device exist. 6362 */ 6363 page_address = (MPI2_SAS_DEVICE_PGAD_FORM_HANDLE & 6364 MPI2_SAS_DEVICE_PGAD_FORM_MASK) | 6365 topo_node->devhdl; 6366 6367 rval = mptsas_get_target_device_info(mpt, page_address, 6368 &devhdl, &ptgt); 6369 if (rval == DEV_INFO_WRONG_DEVICE_TYPE) { 6370 mptsas_log(mpt, CE_NOTE, 6371 "mptsas_handle_topo_change: target %d is " 6372 "not a SAS/SATA device. \n", 6373 topo_node->devhdl); 6374 } else if (rval == DEV_INFO_FAIL_ALLOC) { 6375 mptsas_log(mpt, CE_NOTE, 6376 "mptsas_handle_topo_change: could not " 6377 "allocate memory. \n"); 6378 } 6379 /* 6380 * If rval is DEV_INFO_PHYS_DISK than there is nothing 6381 * else to do, just leave. 6382 */ 6383 if (rval != DEV_INFO_SUCCESS) { 6384 return; 6385 } 6386 } 6387 6388 ASSERT(ptgt->m_devhdl == topo_node->devhdl); 6389 6390 mutex_exit(&mpt->m_mutex); 6391 flags = topo_node->flags; 6392 6393 if (flags == MPTSAS_TOPO_FLAG_RAID_PHYSDRV_ASSOCIATED) { 6394 phymask = ptgt->m_addr.mta_phymask; 6395 phy_mask_name = kmem_zalloc(MPTSAS_MAX_PHYS, KM_SLEEP); 6396 (void) sprintf(phy_mask_name, "%x", phymask); 6397 parent = scsi_hba_iport_find(mpt->m_dip, 6398 phy_mask_name); 6399 kmem_free(phy_mask_name, MPTSAS_MAX_PHYS); 6400 if (parent == NULL) { 6401 mptsas_log(mpt, CE_WARN, "Failed to find a " 6402 "iport for PD, should not happen!"); 6403 mutex_enter(&mpt->m_mutex); 6404 break; 6405 } 6406 } 6407 6408 if (flags == MPTSAS_TOPO_FLAG_RAID_ASSOCIATED) { 6409 ndi_devi_enter(parent, &circ1); 6410 (void) mptsas_config_raid(parent, topo_node->devhdl, 6411 &lundip); 6412 ndi_devi_exit(parent, circ1); 6413 } else { 6414 /* 6415 * hold nexus for bus configure 6416 */ 6417 ndi_devi_enter(scsi_vhci_dip, &circ); 6418 ndi_devi_enter(parent, &circ1); 6419 rval = mptsas_config_target(parent, ptgt); 6420 /* 6421 * release nexus for bus configure 6422 */ 6423 ndi_devi_exit(parent, circ1); 6424 ndi_devi_exit(scsi_vhci_dip, circ); 6425 6426 /* 6427 * Add parent's props for SMHBA support 6428 */ 6429 if (flags == MPTSAS_TOPO_FLAG_DIRECT_ATTACHED_DEVICE) { 6430 bzero(attached_wwnstr, 6431 sizeof (attached_wwnstr)); 6432 (void) sprintf(attached_wwnstr, "w%016"PRIx64, 6433 ptgt->m_addr.mta_wwn); 6434 if (ddi_prop_update_string(DDI_DEV_T_NONE, 6435 parent, 6436 SCSI_ADDR_PROP_ATTACHED_PORT, 6437 attached_wwnstr) 6438 != DDI_PROP_SUCCESS) { 6439 (void) ddi_prop_remove(DDI_DEV_T_NONE, 6440 parent, 6441 SCSI_ADDR_PROP_ATTACHED_PORT); 6442 mptsas_log(mpt, CE_WARN, "Failed to" 6443 "attached-port props"); 6444 return; 6445 } 6446 if (ddi_prop_update_int(DDI_DEV_T_NONE, parent, 6447 MPTSAS_NUM_PHYS, 1) != 6448 DDI_PROP_SUCCESS) { 6449 (void) ddi_prop_remove(DDI_DEV_T_NONE, 6450 parent, MPTSAS_NUM_PHYS); 6451 mptsas_log(mpt, CE_WARN, "Failed to" 6452 " create num-phys props"); 6453 return; 6454 } 6455 6456 /* 6457 * Update PHY info for smhba 6458 */ 6459 mutex_enter(&mpt->m_mutex); 6460 if (mptsas_smhba_phy_init(mpt)) { 6461 mutex_exit(&mpt->m_mutex); 6462 mptsas_log(mpt, CE_WARN, "mptsas phy" 6463 " update failed"); 6464 return; 6465 } 6466 mutex_exit(&mpt->m_mutex); 6467 6468 /* 6469 * topo_node->un.physport is really the PHY# 6470 * for direct attached devices 6471 */ 6472 mptsas_smhba_set_one_phy_props(mpt, parent, 6473 topo_node->un.physport, &attached_devhdl); 6474 6475 if (ddi_prop_update_int(DDI_DEV_T_NONE, parent, 6476 MPTSAS_VIRTUAL_PORT, 0) != 6477 DDI_PROP_SUCCESS) { 6478 (void) ddi_prop_remove(DDI_DEV_T_NONE, 6479 parent, MPTSAS_VIRTUAL_PORT); 6480 mptsas_log(mpt, CE_WARN, 6481 "mptsas virtual-port" 6482 "port prop update failed"); 6483 return; 6484 } 6485 } 6486 } 6487 mutex_enter(&mpt->m_mutex); 6488 6489 NDBG20(("mptsas%d handle_topo_change to online devhdl:%x, " 6490 "phymask:%x.", mpt->m_instance, ptgt->m_devhdl, 6491 ptgt->m_addr.mta_phymask)); 6492 break; 6493 } 6494 case MPTSAS_DR_EVENT_OFFLINE_TARGET: 6495 { 6496 devhdl = topo_node->devhdl; 6497 ptgt = refhash_linear_search(mpt->m_targets, 6498 mptsas_target_eval_devhdl, &devhdl); 6499 if (ptgt == NULL) 6500 break; 6501 6502 sas_wwn = ptgt->m_addr.mta_wwn; 6503 phy = ptgt->m_phynum; 6504 6505 addr = kmem_zalloc(SCSI_MAXNAMELEN, KM_SLEEP); 6506 6507 if (sas_wwn) { 6508 (void) sprintf(addr, "w%016"PRIx64, sas_wwn); 6509 } else { 6510 (void) sprintf(addr, "p%x", phy); 6511 } 6512 ASSERT(ptgt->m_devhdl == devhdl); 6513 6514 if ((topo_node->flags == MPTSAS_TOPO_FLAG_RAID_ASSOCIATED) || 6515 (topo_node->flags == 6516 MPTSAS_TOPO_FLAG_RAID_PHYSDRV_ASSOCIATED)) { 6517 /* 6518 * Get latest RAID info if RAID volume status changes 6519 * or Phys Disk status changes 6520 */ 6521 (void) mptsas_get_raid_info(mpt); 6522 } 6523 /* 6524 * Abort all outstanding command on the device 6525 */ 6526 rval = mptsas_do_scsi_reset(mpt, devhdl); 6527 if (rval) { 6528 NDBG20(("mptsas%d handle_topo_change to reset target " 6529 "before offline devhdl:%x, phymask:%x, rval:%x", 6530 mpt->m_instance, ptgt->m_devhdl, 6531 ptgt->m_addr.mta_phymask, rval)); 6532 } 6533 6534 mutex_exit(&mpt->m_mutex); 6535 6536 ndi_devi_enter(scsi_vhci_dip, &circ); 6537 ndi_devi_enter(parent, &circ1); 6538 rval = mptsas_offline_target(parent, addr); 6539 ndi_devi_exit(parent, circ1); 6540 ndi_devi_exit(scsi_vhci_dip, circ); 6541 NDBG20(("mptsas%d handle_topo_change to offline devhdl:%x, " 6542 "phymask:%x, rval:%x", mpt->m_instance, 6543 ptgt->m_devhdl, ptgt->m_addr.mta_phymask, rval)); 6544 6545 kmem_free(addr, SCSI_MAXNAMELEN); 6546 6547 /* 6548 * Clear parent's props for SMHBA support 6549 */ 6550 flags = topo_node->flags; 6551 if (flags == MPTSAS_TOPO_FLAG_DIRECT_ATTACHED_DEVICE) { 6552 bzero(attached_wwnstr, sizeof (attached_wwnstr)); 6553 if (ddi_prop_update_string(DDI_DEV_T_NONE, parent, 6554 SCSI_ADDR_PROP_ATTACHED_PORT, attached_wwnstr) != 6555 DDI_PROP_SUCCESS) { 6556 (void) ddi_prop_remove(DDI_DEV_T_NONE, parent, 6557 SCSI_ADDR_PROP_ATTACHED_PORT); 6558 mptsas_log(mpt, CE_WARN, "mptsas attached port " 6559 "prop update failed"); 6560 break; 6561 } 6562 if (ddi_prop_update_int(DDI_DEV_T_NONE, parent, 6563 MPTSAS_NUM_PHYS, 0) != 6564 DDI_PROP_SUCCESS) { 6565 (void) ddi_prop_remove(DDI_DEV_T_NONE, parent, 6566 MPTSAS_NUM_PHYS); 6567 mptsas_log(mpt, CE_WARN, "mptsas num phys " 6568 "prop update failed"); 6569 break; 6570 } 6571 if (ddi_prop_update_int(DDI_DEV_T_NONE, parent, 6572 MPTSAS_VIRTUAL_PORT, 1) != 6573 DDI_PROP_SUCCESS) { 6574 (void) ddi_prop_remove(DDI_DEV_T_NONE, parent, 6575 MPTSAS_VIRTUAL_PORT); 6576 mptsas_log(mpt, CE_WARN, "mptsas virtual port " 6577 "prop update failed"); 6578 break; 6579 } 6580 } 6581 6582 mutex_enter(&mpt->m_mutex); 6583 ptgt->m_led_status = 0; 6584 (void) mptsas_flush_led_status(mpt, ptgt); 6585 if (rval == DDI_SUCCESS) { 6586 refhash_remove(mpt->m_targets, ptgt); 6587 ptgt = NULL; 6588 } else { 6589 /* 6590 * clean DR_INTRANSITION flag to allow I/O down to 6591 * PHCI driver since failover finished. 6592 * Invalidate the devhdl 6593 */ 6594 ptgt->m_devhdl = MPTSAS_INVALID_DEVHDL; 6595 ptgt->m_tgt_unconfigured = 0; 6596 mutex_enter(&mpt->m_tx_waitq_mutex); 6597 ptgt->m_dr_flag = MPTSAS_DR_INACTIVE; 6598 mutex_exit(&mpt->m_tx_waitq_mutex); 6599 } 6600 6601 /* 6602 * Send SAS IO Unit Control to free the dev handle 6603 */ 6604 if ((flags == MPTSAS_TOPO_FLAG_DIRECT_ATTACHED_DEVICE) || 6605 (flags == MPTSAS_TOPO_FLAG_EXPANDER_ATTACHED_DEVICE)) { 6606 rval = mptsas_free_devhdl(mpt, devhdl); 6607 6608 NDBG20(("mptsas%d handle_topo_change to remove " 6609 "devhdl:%x, rval:%x", mpt->m_instance, devhdl, 6610 rval)); 6611 } 6612 6613 break; 6614 } 6615 case MPTSAS_TOPO_FLAG_REMOVE_HANDLE: 6616 { 6617 devhdl = topo_node->devhdl; 6618 /* 6619 * If this is the remove handle event, do a reset first. 6620 */ 6621 if (topo_node->event == MPTSAS_TOPO_FLAG_REMOVE_HANDLE) { 6622 rval = mptsas_do_scsi_reset(mpt, devhdl); 6623 if (rval) { 6624 NDBG20(("mpt%d reset target before remove " 6625 "devhdl:%x, rval:%x", mpt->m_instance, 6626 devhdl, rval)); 6627 } 6628 } 6629 6630 /* 6631 * Send SAS IO Unit Control to free the dev handle 6632 */ 6633 rval = mptsas_free_devhdl(mpt, devhdl); 6634 NDBG20(("mptsas%d handle_topo_change to remove " 6635 "devhdl:%x, rval:%x", mpt->m_instance, devhdl, 6636 rval)); 6637 break; 6638 } 6639 case MPTSAS_DR_EVENT_RECONFIG_SMP: 6640 { 6641 mptsas_smp_t smp; 6642 dev_info_t *smpdip; 6643 6644 devhdl = topo_node->devhdl; 6645 6646 page_address = (MPI2_SAS_EXPAND_PGAD_FORM_HNDL & 6647 MPI2_SAS_EXPAND_PGAD_FORM_MASK) | (uint32_t)devhdl; 6648 rval = mptsas_get_sas_expander_page0(mpt, page_address, &smp); 6649 if (rval != DDI_SUCCESS) { 6650 mptsas_log(mpt, CE_WARN, "failed to online smp, " 6651 "handle %x", devhdl); 6652 return; 6653 } 6654 6655 psmp = mptsas_smp_alloc(mpt, &smp); 6656 if (psmp == NULL) { 6657 return; 6658 } 6659 6660 mutex_exit(&mpt->m_mutex); 6661 ndi_devi_enter(parent, &circ1); 6662 (void) mptsas_online_smp(parent, psmp, &smpdip); 6663 ndi_devi_exit(parent, circ1); 6664 6665 mutex_enter(&mpt->m_mutex); 6666 break; 6667 } 6668 case MPTSAS_DR_EVENT_OFFLINE_SMP: 6669 { 6670 devhdl = topo_node->devhdl; 6671 uint32_t dev_info; 6672 6673 psmp = refhash_linear_search(mpt->m_smp_targets, 6674 mptsas_smp_eval_devhdl, &devhdl); 6675 if (psmp == NULL) 6676 break; 6677 /* 6678 * The mptsas_smp_t data is released only if the dip is offlined 6679 * successfully. 6680 */ 6681 mutex_exit(&mpt->m_mutex); 6682 6683 ndi_devi_enter(parent, &circ1); 6684 rval = mptsas_offline_smp(parent, psmp, NDI_DEVI_REMOVE); 6685 ndi_devi_exit(parent, circ1); 6686 6687 dev_info = psmp->m_deviceinfo; 6688 if ((dev_info & DEVINFO_DIRECT_ATTACHED) == 6689 DEVINFO_DIRECT_ATTACHED) { 6690 if (ddi_prop_update_int(DDI_DEV_T_NONE, parent, 6691 MPTSAS_VIRTUAL_PORT, 1) != 6692 DDI_PROP_SUCCESS) { 6693 (void) ddi_prop_remove(DDI_DEV_T_NONE, parent, 6694 MPTSAS_VIRTUAL_PORT); 6695 mptsas_log(mpt, CE_WARN, "mptsas virtual port " 6696 "prop update failed"); 6697 return; 6698 } 6699 /* 6700 * Check whether the smp connected to the iport, 6701 */ 6702 if (ddi_prop_update_int(DDI_DEV_T_NONE, parent, 6703 MPTSAS_NUM_PHYS, 0) != 6704 DDI_PROP_SUCCESS) { 6705 (void) ddi_prop_remove(DDI_DEV_T_NONE, parent, 6706 MPTSAS_NUM_PHYS); 6707 mptsas_log(mpt, CE_WARN, "mptsas num phys" 6708 "prop update failed"); 6709 return; 6710 } 6711 /* 6712 * Clear parent's attached-port props 6713 */ 6714 bzero(attached_wwnstr, sizeof (attached_wwnstr)); 6715 if (ddi_prop_update_string(DDI_DEV_T_NONE, parent, 6716 SCSI_ADDR_PROP_ATTACHED_PORT, attached_wwnstr) != 6717 DDI_PROP_SUCCESS) { 6718 (void) ddi_prop_remove(DDI_DEV_T_NONE, parent, 6719 SCSI_ADDR_PROP_ATTACHED_PORT); 6720 mptsas_log(mpt, CE_WARN, "mptsas attached port " 6721 "prop update failed"); 6722 return; 6723 } 6724 } 6725 6726 mutex_enter(&mpt->m_mutex); 6727 NDBG20(("mptsas%d handle_topo_change to remove devhdl:%x, " 6728 "rval:%x", mpt->m_instance, psmp->m_devhdl, rval)); 6729 if (rval == DDI_SUCCESS) { 6730 refhash_remove(mpt->m_smp_targets, psmp); 6731 } else { 6732 psmp->m_devhdl = MPTSAS_INVALID_DEVHDL; 6733 } 6734 6735 bzero(attached_wwnstr, sizeof (attached_wwnstr)); 6736 6737 break; 6738 } 6739 default: 6740 return; 6741 } 6742 } 6743 6744 /* 6745 * Record the event if its type is enabled in mpt instance by ioctl. 6746 */ 6747 static void 6748 mptsas_record_event(void *args) 6749 { 6750 m_replyh_arg_t *replyh_arg; 6751 pMpi2EventNotificationReply_t eventreply; 6752 uint32_t event, rfm; 6753 mptsas_t *mpt; 6754 int i, j; 6755 uint16_t event_data_len; 6756 boolean_t sendAEN = FALSE; 6757 6758 replyh_arg = (m_replyh_arg_t *)args; 6759 rfm = replyh_arg->rfm; 6760 mpt = replyh_arg->mpt; 6761 6762 eventreply = (pMpi2EventNotificationReply_t) 6763 (mpt->m_reply_frame + (rfm - 6764 (mpt->m_reply_frame_dma_addr & 0xffffffffu))); 6765 event = ddi_get16(mpt->m_acc_reply_frame_hdl, &eventreply->Event); 6766 6767 6768 /* 6769 * Generate a system event to let anyone who cares know that a 6770 * LOG_ENTRY_ADDED event has occurred. This is sent no matter what the 6771 * event mask is set to. 6772 */ 6773 if (event == MPI2_EVENT_LOG_ENTRY_ADDED) { 6774 sendAEN = TRUE; 6775 } 6776 6777 /* 6778 * Record the event only if it is not masked. Determine which dword 6779 * and bit of event mask to test. 6780 */ 6781 i = (uint8_t)(event / 32); 6782 j = (uint8_t)(event % 32); 6783 if ((i < 4) && ((1 << j) & mpt->m_event_mask[i])) { 6784 i = mpt->m_event_index; 6785 mpt->m_events[i].Type = event; 6786 mpt->m_events[i].Number = ++mpt->m_event_number; 6787 bzero(mpt->m_events[i].Data, MPTSAS_MAX_EVENT_DATA_LENGTH * 4); 6788 event_data_len = ddi_get16(mpt->m_acc_reply_frame_hdl, 6789 &eventreply->EventDataLength); 6790 6791 if (event_data_len > 0) { 6792 /* 6793 * Limit data to size in m_event entry 6794 */ 6795 if (event_data_len > MPTSAS_MAX_EVENT_DATA_LENGTH) { 6796 event_data_len = MPTSAS_MAX_EVENT_DATA_LENGTH; 6797 } 6798 for (j = 0; j < event_data_len; j++) { 6799 mpt->m_events[i].Data[j] = 6800 ddi_get32(mpt->m_acc_reply_frame_hdl, 6801 &(eventreply->EventData[j])); 6802 } 6803 6804 /* 6805 * check for index wrap-around 6806 */ 6807 if (++i == MPTSAS_EVENT_QUEUE_SIZE) { 6808 i = 0; 6809 } 6810 mpt->m_event_index = (uint8_t)i; 6811 6812 /* 6813 * Set flag to send the event. 6814 */ 6815 sendAEN = TRUE; 6816 } 6817 } 6818 6819 /* 6820 * Generate a system event if flag is set to let anyone who cares know 6821 * that an event has occurred. 6822 */ 6823 if (sendAEN) { 6824 (void) ddi_log_sysevent(mpt->m_dip, DDI_VENDOR_LSI, "MPT_SAS", 6825 "SAS", NULL, NULL, DDI_NOSLEEP); 6826 } 6827 } 6828 6829 #define SMP_RESET_IN_PROGRESS MPI2_EVENT_SAS_TOPO_LR_SMP_RESET_IN_PROGRESS 6830 /* 6831 * handle sync events from ioc in interrupt 6832 * return value: 6833 * DDI_SUCCESS: The event is handled by this func 6834 * DDI_FAILURE: Event is not handled 6835 */ 6836 static int 6837 mptsas_handle_event_sync(void *args) 6838 { 6839 m_replyh_arg_t *replyh_arg; 6840 pMpi2EventNotificationReply_t eventreply; 6841 uint32_t event, rfm; 6842 mptsas_t *mpt; 6843 uint_t iocstatus; 6844 6845 replyh_arg = (m_replyh_arg_t *)args; 6846 rfm = replyh_arg->rfm; 6847 mpt = replyh_arg->mpt; 6848 6849 ASSERT(mutex_owned(&mpt->m_mutex)); 6850 6851 eventreply = (pMpi2EventNotificationReply_t) 6852 (mpt->m_reply_frame + (rfm - 6853 (mpt->m_reply_frame_dma_addr & 0xffffffffu))); 6854 event = ddi_get16(mpt->m_acc_reply_frame_hdl, &eventreply->Event); 6855 6856 if (iocstatus = ddi_get16(mpt->m_acc_reply_frame_hdl, 6857 &eventreply->IOCStatus)) { 6858 if (iocstatus == MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) { 6859 mptsas_log(mpt, CE_WARN, 6860 "!mptsas_handle_event_sync: event 0x%x, " 6861 "IOCStatus=0x%x, " 6862 "IOCLogInfo=0x%x", event, iocstatus, 6863 ddi_get32(mpt->m_acc_reply_frame_hdl, 6864 &eventreply->IOCLogInfo)); 6865 } else { 6866 mptsas_log(mpt, CE_WARN, 6867 "mptsas_handle_event_sync: event 0x%x, " 6868 "IOCStatus=0x%x, " 6869 "(IOCLogInfo=0x%x)", event, iocstatus, 6870 ddi_get32(mpt->m_acc_reply_frame_hdl, 6871 &eventreply->IOCLogInfo)); 6872 } 6873 } 6874 6875 /* 6876 * figure out what kind of event we got and handle accordingly 6877 */ 6878 switch (event) { 6879 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: 6880 { 6881 pMpi2EventDataSasTopologyChangeList_t sas_topo_change_list; 6882 uint8_t num_entries, expstatus, phy; 6883 uint8_t phystatus, physport, state, i; 6884 uint8_t start_phy_num, link_rate; 6885 uint16_t dev_handle, reason_code; 6886 uint16_t enc_handle, expd_handle; 6887 char string[80], curr[80], prev[80]; 6888 mptsas_topo_change_list_t *topo_head = NULL; 6889 mptsas_topo_change_list_t *topo_tail = NULL; 6890 mptsas_topo_change_list_t *topo_node = NULL; 6891 mptsas_target_t *ptgt; 6892 mptsas_smp_t *psmp; 6893 uint8_t flags = 0, exp_flag; 6894 smhba_info_t *pSmhba = NULL; 6895 6896 NDBG20(("mptsas_handle_event_sync: SAS topology change")); 6897 6898 sas_topo_change_list = (pMpi2EventDataSasTopologyChangeList_t) 6899 eventreply->EventData; 6900 6901 enc_handle = ddi_get16(mpt->m_acc_reply_frame_hdl, 6902 &sas_topo_change_list->EnclosureHandle); 6903 expd_handle = ddi_get16(mpt->m_acc_reply_frame_hdl, 6904 &sas_topo_change_list->ExpanderDevHandle); 6905 num_entries = ddi_get8(mpt->m_acc_reply_frame_hdl, 6906 &sas_topo_change_list->NumEntries); 6907 start_phy_num = ddi_get8(mpt->m_acc_reply_frame_hdl, 6908 &sas_topo_change_list->StartPhyNum); 6909 expstatus = ddi_get8(mpt->m_acc_reply_frame_hdl, 6910 &sas_topo_change_list->ExpStatus); 6911 physport = ddi_get8(mpt->m_acc_reply_frame_hdl, 6912 &sas_topo_change_list->PhysicalPort); 6913 6914 string[0] = 0; 6915 if (expd_handle) { 6916 flags = MPTSAS_TOPO_FLAG_EXPANDER_ASSOCIATED; 6917 switch (expstatus) { 6918 case MPI2_EVENT_SAS_TOPO_ES_ADDED: 6919 (void) sprintf(string, " added"); 6920 /* 6921 * New expander device added 6922 */ 6923 mpt->m_port_chng = 1; 6924 topo_node = kmem_zalloc( 6925 sizeof (mptsas_topo_change_list_t), 6926 KM_SLEEP); 6927 topo_node->mpt = mpt; 6928 topo_node->event = MPTSAS_DR_EVENT_RECONFIG_SMP; 6929 topo_node->un.physport = physport; 6930 topo_node->devhdl = expd_handle; 6931 topo_node->flags = flags; 6932 topo_node->object = NULL; 6933 if (topo_head == NULL) { 6934 topo_head = topo_tail = topo_node; 6935 } else { 6936 topo_tail->next = topo_node; 6937 topo_tail = topo_node; 6938 } 6939 break; 6940 case MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING: 6941 (void) sprintf(string, " not responding, " 6942 "removed"); 6943 psmp = refhash_linear_search(mpt->m_smp_targets, 6944 mptsas_smp_eval_devhdl, &expd_handle); 6945 if (psmp == NULL) 6946 break; 6947 6948 topo_node = kmem_zalloc( 6949 sizeof (mptsas_topo_change_list_t), 6950 KM_SLEEP); 6951 topo_node->mpt = mpt; 6952 topo_node->un.phymask = 6953 psmp->m_addr.mta_phymask; 6954 topo_node->event = MPTSAS_DR_EVENT_OFFLINE_SMP; 6955 topo_node->devhdl = expd_handle; 6956 topo_node->flags = flags; 6957 topo_node->object = NULL; 6958 if (topo_head == NULL) { 6959 topo_head = topo_tail = topo_node; 6960 } else { 6961 topo_tail->next = topo_node; 6962 topo_tail = topo_node; 6963 } 6964 break; 6965 case MPI2_EVENT_SAS_TOPO_ES_RESPONDING: 6966 break; 6967 case MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING: 6968 (void) sprintf(string, " not responding, " 6969 "delaying removal"); 6970 break; 6971 default: 6972 break; 6973 } 6974 } else { 6975 flags = MPTSAS_TOPO_FLAG_DIRECT_ATTACHED_DEVICE; 6976 } 6977 6978 NDBG20(("SAS TOPOLOGY CHANGE for enclosure %x expander %x%s\n", 6979 enc_handle, expd_handle, string)); 6980 for (i = 0; i < num_entries; i++) { 6981 phy = i + start_phy_num; 6982 phystatus = ddi_get8(mpt->m_acc_reply_frame_hdl, 6983 &sas_topo_change_list->PHY[i].PhyStatus); 6984 dev_handle = ddi_get16(mpt->m_acc_reply_frame_hdl, 6985 &sas_topo_change_list->PHY[i].AttachedDevHandle); 6986 reason_code = phystatus & MPI2_EVENT_SAS_TOPO_RC_MASK; 6987 /* 6988 * Filter out processing of Phy Vacant Status unless 6989 * the reason code is "Not Responding". Process all 6990 * other combinations of Phy Status and Reason Codes. 6991 */ 6992 if ((phystatus & 6993 MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT) && 6994 (reason_code != 6995 MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING)) { 6996 continue; 6997 } 6998 curr[0] = 0; 6999 prev[0] = 0; 7000 string[0] = 0; 7001 switch (reason_code) { 7002 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED: 7003 { 7004 NDBG20(("mptsas%d phy %d physical_port %d " 7005 "dev_handle %d added", mpt->m_instance, phy, 7006 physport, dev_handle)); 7007 link_rate = ddi_get8(mpt->m_acc_reply_frame_hdl, 7008 &sas_topo_change_list->PHY[i].LinkRate); 7009 state = (link_rate & 7010 MPI2_EVENT_SAS_TOPO_LR_CURRENT_MASK) >> 7011 MPI2_EVENT_SAS_TOPO_LR_CURRENT_SHIFT; 7012 switch (state) { 7013 case MPI2_EVENT_SAS_TOPO_LR_PHY_DISABLED: 7014 (void) sprintf(curr, "is disabled"); 7015 break; 7016 case MPI2_EVENT_SAS_TOPO_LR_NEGOTIATION_FAILED: 7017 (void) sprintf(curr, "is offline, " 7018 "failed speed negotiation"); 7019 break; 7020 case MPI2_EVENT_SAS_TOPO_LR_SATA_OOB_COMPLETE: 7021 (void) sprintf(curr, "SATA OOB " 7022 "complete"); 7023 break; 7024 case SMP_RESET_IN_PROGRESS: 7025 (void) sprintf(curr, "SMP reset in " 7026 "progress"); 7027 break; 7028 case MPI2_EVENT_SAS_TOPO_LR_RATE_1_5: 7029 (void) sprintf(curr, "is online at " 7030 "1.5 Gbps"); 7031 break; 7032 case MPI2_EVENT_SAS_TOPO_LR_RATE_3_0: 7033 (void) sprintf(curr, "is online at 3.0 " 7034 "Gbps"); 7035 break; 7036 case MPI2_EVENT_SAS_TOPO_LR_RATE_6_0: 7037 (void) sprintf(curr, "is online at 6.0 " 7038 "Gbps"); 7039 break; 7040 case MPI25_EVENT_SAS_TOPO_LR_RATE_12_0: 7041 (void) sprintf(curr, 7042 "is online at 12.0 Gbps"); 7043 break; 7044 default: 7045 (void) sprintf(curr, "state is " 7046 "unknown"); 7047 break; 7048 } 7049 /* 7050 * New target device added into the system. 7051 * Set association flag according to if an 7052 * expander is used or not. 7053 */ 7054 exp_flag = 7055 MPTSAS_TOPO_FLAG_EXPANDER_ATTACHED_DEVICE; 7056 if (flags == 7057 MPTSAS_TOPO_FLAG_EXPANDER_ASSOCIATED) { 7058 flags = exp_flag; 7059 } 7060 topo_node = kmem_zalloc( 7061 sizeof (mptsas_topo_change_list_t), 7062 KM_SLEEP); 7063 topo_node->mpt = mpt; 7064 topo_node->event = 7065 MPTSAS_DR_EVENT_RECONFIG_TARGET; 7066 if (expd_handle == 0) { 7067 /* 7068 * Per MPI 2, if expander dev handle 7069 * is 0, it's a directly attached 7070 * device. So driver use PHY to decide 7071 * which iport is associated 7072 */ 7073 physport = phy; 7074 mpt->m_port_chng = 1; 7075 } 7076 topo_node->un.physport = physport; 7077 topo_node->devhdl = dev_handle; 7078 topo_node->flags = flags; 7079 topo_node->object = NULL; 7080 if (topo_head == NULL) { 7081 topo_head = topo_tail = topo_node; 7082 } else { 7083 topo_tail->next = topo_node; 7084 topo_tail = topo_node; 7085 } 7086 break; 7087 } 7088 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING: 7089 { 7090 NDBG20(("mptsas%d phy %d physical_port %d " 7091 "dev_handle %d removed", mpt->m_instance, 7092 phy, physport, dev_handle)); 7093 /* 7094 * Set association flag according to if an 7095 * expander is used or not. 7096 */ 7097 exp_flag = 7098 MPTSAS_TOPO_FLAG_EXPANDER_ATTACHED_DEVICE; 7099 if (flags == 7100 MPTSAS_TOPO_FLAG_EXPANDER_ASSOCIATED) { 7101 flags = exp_flag; 7102 } 7103 /* 7104 * Target device is removed from the system 7105 * Before the device is really offline from 7106 * from system. 7107 */ 7108 ptgt = refhash_linear_search(mpt->m_targets, 7109 mptsas_target_eval_devhdl, &dev_handle); 7110 /* 7111 * If ptgt is NULL here, it means that the 7112 * DevHandle is not in the hash table. This is 7113 * reasonable sometimes. For example, if a 7114 * disk was pulled, then added, then pulled 7115 * again, the disk will not have been put into 7116 * the hash table because the add event will 7117 * have an invalid phymask. BUT, this does not 7118 * mean that the DevHandle is invalid. The 7119 * controller will still have a valid DevHandle 7120 * that must be removed. To do this, use the 7121 * MPTSAS_TOPO_FLAG_REMOVE_HANDLE event. 7122 */ 7123 if (ptgt == NULL) { 7124 topo_node = kmem_zalloc( 7125 sizeof (mptsas_topo_change_list_t), 7126 KM_SLEEP); 7127 topo_node->mpt = mpt; 7128 topo_node->un.phymask = 0; 7129 topo_node->event = 7130 MPTSAS_TOPO_FLAG_REMOVE_HANDLE; 7131 topo_node->devhdl = dev_handle; 7132 topo_node->flags = flags; 7133 topo_node->object = NULL; 7134 if (topo_head == NULL) { 7135 topo_head = topo_tail = 7136 topo_node; 7137 } else { 7138 topo_tail->next = topo_node; 7139 topo_tail = topo_node; 7140 } 7141 break; 7142 } 7143 7144 /* 7145 * Update DR flag immediately avoid I/O failure 7146 * before failover finish. Pay attention to the 7147 * mutex protect, we need grab m_tx_waitq_mutex 7148 * during set m_dr_flag because we won't add 7149 * the following command into waitq, instead, 7150 * we need return TRAN_BUSY in the tran_start 7151 * context. 7152 */ 7153 mutex_enter(&mpt->m_tx_waitq_mutex); 7154 ptgt->m_dr_flag = MPTSAS_DR_INTRANSITION; 7155 mutex_exit(&mpt->m_tx_waitq_mutex); 7156 7157 topo_node = kmem_zalloc( 7158 sizeof (mptsas_topo_change_list_t), 7159 KM_SLEEP); 7160 topo_node->mpt = mpt; 7161 topo_node->un.phymask = 7162 ptgt->m_addr.mta_phymask; 7163 topo_node->event = 7164 MPTSAS_DR_EVENT_OFFLINE_TARGET; 7165 topo_node->devhdl = dev_handle; 7166 topo_node->flags = flags; 7167 topo_node->object = NULL; 7168 if (topo_head == NULL) { 7169 topo_head = topo_tail = topo_node; 7170 } else { 7171 topo_tail->next = topo_node; 7172 topo_tail = topo_node; 7173 } 7174 break; 7175 } 7176 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED: 7177 link_rate = ddi_get8(mpt->m_acc_reply_frame_hdl, 7178 &sas_topo_change_list->PHY[i].LinkRate); 7179 state = (link_rate & 7180 MPI2_EVENT_SAS_TOPO_LR_CURRENT_MASK) >> 7181 MPI2_EVENT_SAS_TOPO_LR_CURRENT_SHIFT; 7182 pSmhba = &mpt->m_phy_info[i].smhba_info; 7183 pSmhba->negotiated_link_rate = state; 7184 switch (state) { 7185 case MPI2_EVENT_SAS_TOPO_LR_PHY_DISABLED: 7186 (void) sprintf(curr, "is disabled"); 7187 mptsas_smhba_log_sysevent(mpt, 7188 ESC_SAS_PHY_EVENT, 7189 SAS_PHY_REMOVE, 7190 &mpt->m_phy_info[i].smhba_info); 7191 mpt->m_phy_info[i].smhba_info. 7192 negotiated_link_rate 7193 = 0x1; 7194 break; 7195 case MPI2_EVENT_SAS_TOPO_LR_NEGOTIATION_FAILED: 7196 (void) sprintf(curr, "is offline, " 7197 "failed speed negotiation"); 7198 mptsas_smhba_log_sysevent(mpt, 7199 ESC_SAS_PHY_EVENT, 7200 SAS_PHY_OFFLINE, 7201 &mpt->m_phy_info[i].smhba_info); 7202 break; 7203 case MPI2_EVENT_SAS_TOPO_LR_SATA_OOB_COMPLETE: 7204 (void) sprintf(curr, "SATA OOB " 7205 "complete"); 7206 break; 7207 case SMP_RESET_IN_PROGRESS: 7208 (void) sprintf(curr, "SMP reset in " 7209 "progress"); 7210 break; 7211 case MPI2_EVENT_SAS_TOPO_LR_RATE_1_5: 7212 (void) sprintf(curr, "is online at " 7213 "1.5 Gbps"); 7214 if ((expd_handle == 0) && 7215 (enc_handle == 1)) { 7216 mpt->m_port_chng = 1; 7217 } 7218 mptsas_smhba_log_sysevent(mpt, 7219 ESC_SAS_PHY_EVENT, 7220 SAS_PHY_ONLINE, 7221 &mpt->m_phy_info[i].smhba_info); 7222 break; 7223 case MPI2_EVENT_SAS_TOPO_LR_RATE_3_0: 7224 (void) sprintf(curr, "is online at 3.0 " 7225 "Gbps"); 7226 if ((expd_handle == 0) && 7227 (enc_handle == 1)) { 7228 mpt->m_port_chng = 1; 7229 } 7230 mptsas_smhba_log_sysevent(mpt, 7231 ESC_SAS_PHY_EVENT, 7232 SAS_PHY_ONLINE, 7233 &mpt->m_phy_info[i].smhba_info); 7234 break; 7235 case MPI2_EVENT_SAS_TOPO_LR_RATE_6_0: 7236 (void) sprintf(curr, "is online at " 7237 "6.0 Gbps"); 7238 if ((expd_handle == 0) && 7239 (enc_handle == 1)) { 7240 mpt->m_port_chng = 1; 7241 } 7242 mptsas_smhba_log_sysevent(mpt, 7243 ESC_SAS_PHY_EVENT, 7244 SAS_PHY_ONLINE, 7245 &mpt->m_phy_info[i].smhba_info); 7246 break; 7247 case MPI25_EVENT_SAS_TOPO_LR_RATE_12_0: 7248 (void) sprintf(curr, "is online at " 7249 "12.0 Gbps"); 7250 if ((expd_handle == 0) && 7251 (enc_handle == 1)) { 7252 mpt->m_port_chng = 1; 7253 } 7254 mptsas_smhba_log_sysevent(mpt, 7255 ESC_SAS_PHY_EVENT, 7256 SAS_PHY_ONLINE, 7257 &mpt->m_phy_info[i].smhba_info); 7258 break; 7259 default: 7260 (void) sprintf(curr, "state is " 7261 "unknown"); 7262 break; 7263 } 7264 7265 state = (link_rate & 7266 MPI2_EVENT_SAS_TOPO_LR_PREV_MASK) >> 7267 MPI2_EVENT_SAS_TOPO_LR_PREV_SHIFT; 7268 switch (state) { 7269 case MPI2_EVENT_SAS_TOPO_LR_PHY_DISABLED: 7270 (void) sprintf(prev, ", was disabled"); 7271 break; 7272 case MPI2_EVENT_SAS_TOPO_LR_NEGOTIATION_FAILED: 7273 (void) sprintf(prev, ", was offline, " 7274 "failed speed negotiation"); 7275 break; 7276 case MPI2_EVENT_SAS_TOPO_LR_SATA_OOB_COMPLETE: 7277 (void) sprintf(prev, ", was SATA OOB " 7278 "complete"); 7279 break; 7280 case SMP_RESET_IN_PROGRESS: 7281 (void) sprintf(prev, ", was SMP reset " 7282 "in progress"); 7283 break; 7284 case MPI2_EVENT_SAS_TOPO_LR_RATE_1_5: 7285 (void) sprintf(prev, ", was online at " 7286 "1.5 Gbps"); 7287 break; 7288 case MPI2_EVENT_SAS_TOPO_LR_RATE_3_0: 7289 (void) sprintf(prev, ", was online at " 7290 "3.0 Gbps"); 7291 break; 7292 case MPI2_EVENT_SAS_TOPO_LR_RATE_6_0: 7293 (void) sprintf(prev, ", was online at " 7294 "6.0 Gbps"); 7295 break; 7296 case MPI25_EVENT_SAS_TOPO_LR_RATE_12_0: 7297 (void) sprintf(prev, ", was online at " 7298 "12.0 Gbps"); 7299 break; 7300 default: 7301 break; 7302 } 7303 (void) sprintf(&string[strlen(string)], "link " 7304 "changed, "); 7305 break; 7306 case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE: 7307 continue; 7308 case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING: 7309 (void) sprintf(&string[strlen(string)], 7310 "target not responding, delaying " 7311 "removal"); 7312 break; 7313 } 7314 NDBG20(("mptsas%d phy %d DevHandle %x, %s%s%s\n", 7315 mpt->m_instance, phy, dev_handle, string, curr, 7316 prev)); 7317 } 7318 if (topo_head != NULL) { 7319 /* 7320 * Launch DR taskq to handle topology change 7321 */ 7322 if ((ddi_taskq_dispatch(mpt->m_dr_taskq, 7323 mptsas_handle_dr, (void *)topo_head, 7324 DDI_NOSLEEP)) != DDI_SUCCESS) { 7325 while (topo_head != NULL) { 7326 topo_node = topo_head; 7327 topo_head = topo_head->next; 7328 kmem_free(topo_node, 7329 sizeof (mptsas_topo_change_list_t)); 7330 } 7331 mptsas_log(mpt, CE_NOTE, "mptsas start taskq " 7332 "for handle SAS DR event failed. \n"); 7333 } 7334 } 7335 break; 7336 } 7337 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: 7338 { 7339 Mpi2EventDataIrConfigChangeList_t *irChangeList; 7340 mptsas_topo_change_list_t *topo_head = NULL; 7341 mptsas_topo_change_list_t *topo_tail = NULL; 7342 mptsas_topo_change_list_t *topo_node = NULL; 7343 mptsas_target_t *ptgt; 7344 uint8_t num_entries, i, reason; 7345 uint16_t volhandle, diskhandle; 7346 7347 irChangeList = (pMpi2EventDataIrConfigChangeList_t) 7348 eventreply->EventData; 7349 num_entries = ddi_get8(mpt->m_acc_reply_frame_hdl, 7350 &irChangeList->NumElements); 7351 7352 NDBG20(("mptsas%d IR_CONFIGURATION_CHANGE_LIST event received", 7353 mpt->m_instance)); 7354 7355 for (i = 0; i < num_entries; i++) { 7356 reason = ddi_get8(mpt->m_acc_reply_frame_hdl, 7357 &irChangeList->ConfigElement[i].ReasonCode); 7358 volhandle = ddi_get16(mpt->m_acc_reply_frame_hdl, 7359 &irChangeList->ConfigElement[i].VolDevHandle); 7360 diskhandle = ddi_get16(mpt->m_acc_reply_frame_hdl, 7361 &irChangeList->ConfigElement[i].PhysDiskDevHandle); 7362 7363 switch (reason) { 7364 case MPI2_EVENT_IR_CHANGE_RC_ADDED: 7365 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED: 7366 { 7367 NDBG20(("mptsas %d volume added\n", 7368 mpt->m_instance)); 7369 7370 topo_node = kmem_zalloc( 7371 sizeof (mptsas_topo_change_list_t), 7372 KM_SLEEP); 7373 7374 topo_node->mpt = mpt; 7375 topo_node->event = 7376 MPTSAS_DR_EVENT_RECONFIG_TARGET; 7377 topo_node->un.physport = 0xff; 7378 topo_node->devhdl = volhandle; 7379 topo_node->flags = 7380 MPTSAS_TOPO_FLAG_RAID_ASSOCIATED; 7381 topo_node->object = NULL; 7382 if (topo_head == NULL) { 7383 topo_head = topo_tail = topo_node; 7384 } else { 7385 topo_tail->next = topo_node; 7386 topo_tail = topo_node; 7387 } 7388 break; 7389 } 7390 case MPI2_EVENT_IR_CHANGE_RC_REMOVED: 7391 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED: 7392 { 7393 NDBG20(("mptsas %d volume deleted\n", 7394 mpt->m_instance)); 7395 ptgt = refhash_linear_search(mpt->m_targets, 7396 mptsas_target_eval_devhdl, &volhandle); 7397 if (ptgt == NULL) 7398 break; 7399 7400 /* 7401 * Clear any flags related to volume 7402 */ 7403 (void) mptsas_delete_volume(mpt, volhandle); 7404 7405 /* 7406 * Update DR flag immediately avoid I/O failure 7407 */ 7408 mutex_enter(&mpt->m_tx_waitq_mutex); 7409 ptgt->m_dr_flag = MPTSAS_DR_INTRANSITION; 7410 mutex_exit(&mpt->m_tx_waitq_mutex); 7411 7412 topo_node = kmem_zalloc( 7413 sizeof (mptsas_topo_change_list_t), 7414 KM_SLEEP); 7415 topo_node->mpt = mpt; 7416 topo_node->un.phymask = 7417 ptgt->m_addr.mta_phymask; 7418 topo_node->event = 7419 MPTSAS_DR_EVENT_OFFLINE_TARGET; 7420 topo_node->devhdl = volhandle; 7421 topo_node->flags = 7422 MPTSAS_TOPO_FLAG_RAID_ASSOCIATED; 7423 topo_node->object = (void *)ptgt; 7424 if (topo_head == NULL) { 7425 topo_head = topo_tail = topo_node; 7426 } else { 7427 topo_tail->next = topo_node; 7428 topo_tail = topo_node; 7429 } 7430 break; 7431 } 7432 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED: 7433 case MPI2_EVENT_IR_CHANGE_RC_HIDE: 7434 { 7435 ptgt = refhash_linear_search(mpt->m_targets, 7436 mptsas_target_eval_devhdl, &diskhandle); 7437 if (ptgt == NULL) 7438 break; 7439 7440 /* 7441 * Update DR flag immediately avoid I/O failure 7442 */ 7443 mutex_enter(&mpt->m_tx_waitq_mutex); 7444 ptgt->m_dr_flag = MPTSAS_DR_INTRANSITION; 7445 mutex_exit(&mpt->m_tx_waitq_mutex); 7446 7447 topo_node = kmem_zalloc( 7448 sizeof (mptsas_topo_change_list_t), 7449 KM_SLEEP); 7450 topo_node->mpt = mpt; 7451 topo_node->un.phymask = 7452 ptgt->m_addr.mta_phymask; 7453 topo_node->event = 7454 MPTSAS_DR_EVENT_OFFLINE_TARGET; 7455 topo_node->devhdl = diskhandle; 7456 topo_node->flags = 7457 MPTSAS_TOPO_FLAG_RAID_PHYSDRV_ASSOCIATED; 7458 topo_node->object = (void *)ptgt; 7459 if (topo_head == NULL) { 7460 topo_head = topo_tail = topo_node; 7461 } else { 7462 topo_tail->next = topo_node; 7463 topo_tail = topo_node; 7464 } 7465 break; 7466 } 7467 case MPI2_EVENT_IR_CHANGE_RC_UNHIDE: 7468 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED: 7469 { 7470 /* 7471 * The physical drive is released by a IR 7472 * volume. But we cannot get the the physport 7473 * or phynum from the event data, so we only 7474 * can get the physport/phynum after SAS 7475 * Device Page0 request for the devhdl. 7476 */ 7477 topo_node = kmem_zalloc( 7478 sizeof (mptsas_topo_change_list_t), 7479 KM_SLEEP); 7480 topo_node->mpt = mpt; 7481 topo_node->un.phymask = 0; 7482 topo_node->event = 7483 MPTSAS_DR_EVENT_RECONFIG_TARGET; 7484 topo_node->devhdl = diskhandle; 7485 topo_node->flags = 7486 MPTSAS_TOPO_FLAG_RAID_PHYSDRV_ASSOCIATED; 7487 topo_node->object = NULL; 7488 mpt->m_port_chng = 1; 7489 if (topo_head == NULL) { 7490 topo_head = topo_tail = topo_node; 7491 } else { 7492 topo_tail->next = topo_node; 7493 topo_tail = topo_node; 7494 } 7495 break; 7496 } 7497 default: 7498 break; 7499 } 7500 } 7501 7502 if (topo_head != NULL) { 7503 /* 7504 * Launch DR taskq to handle topology change 7505 */ 7506 if ((ddi_taskq_dispatch(mpt->m_dr_taskq, 7507 mptsas_handle_dr, (void *)topo_head, 7508 DDI_NOSLEEP)) != DDI_SUCCESS) { 7509 while (topo_head != NULL) { 7510 topo_node = topo_head; 7511 topo_head = topo_head->next; 7512 kmem_free(topo_node, 7513 sizeof (mptsas_topo_change_list_t)); 7514 } 7515 mptsas_log(mpt, CE_NOTE, "mptsas start taskq " 7516 "for handle SAS DR event failed. \n"); 7517 } 7518 } 7519 break; 7520 } 7521 default: 7522 return (DDI_FAILURE); 7523 } 7524 7525 return (DDI_SUCCESS); 7526 } 7527 7528 /* 7529 * handle events from ioc 7530 */ 7531 static void 7532 mptsas_handle_event(void *args) 7533 { 7534 m_replyh_arg_t *replyh_arg; 7535 pMpi2EventNotificationReply_t eventreply; 7536 uint32_t event, iocloginfo, rfm; 7537 uint32_t status; 7538 uint8_t port; 7539 mptsas_t *mpt; 7540 uint_t iocstatus; 7541 7542 replyh_arg = (m_replyh_arg_t *)args; 7543 rfm = replyh_arg->rfm; 7544 mpt = replyh_arg->mpt; 7545 7546 mutex_enter(&mpt->m_mutex); 7547 /* 7548 * If HBA is being reset, drop incoming event. 7549 */ 7550 if (mpt->m_in_reset) { 7551 NDBG20(("dropping event received prior to reset")); 7552 mutex_exit(&mpt->m_mutex); 7553 return; 7554 } 7555 7556 eventreply = (pMpi2EventNotificationReply_t) 7557 (mpt->m_reply_frame + (rfm - 7558 (mpt->m_reply_frame_dma_addr & 0xffffffffu))); 7559 event = ddi_get16(mpt->m_acc_reply_frame_hdl, &eventreply->Event); 7560 7561 if (iocstatus = ddi_get16(mpt->m_acc_reply_frame_hdl, 7562 &eventreply->IOCStatus)) { 7563 if (iocstatus == MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) { 7564 mptsas_log(mpt, CE_WARN, 7565 "!mptsas_handle_event: IOCStatus=0x%x, " 7566 "IOCLogInfo=0x%x", iocstatus, 7567 ddi_get32(mpt->m_acc_reply_frame_hdl, 7568 &eventreply->IOCLogInfo)); 7569 } else { 7570 mptsas_log(mpt, CE_WARN, 7571 "mptsas_handle_event: IOCStatus=0x%x, " 7572 "IOCLogInfo=0x%x", iocstatus, 7573 ddi_get32(mpt->m_acc_reply_frame_hdl, 7574 &eventreply->IOCLogInfo)); 7575 } 7576 } 7577 7578 /* 7579 * figure out what kind of event we got and handle accordingly 7580 */ 7581 switch (event) { 7582 case MPI2_EVENT_LOG_ENTRY_ADDED: 7583 break; 7584 case MPI2_EVENT_LOG_DATA: 7585 iocloginfo = ddi_get32(mpt->m_acc_reply_frame_hdl, 7586 &eventreply->IOCLogInfo); 7587 NDBG20(("mptsas %d log info %x received.\n", mpt->m_instance, 7588 iocloginfo)); 7589 break; 7590 case MPI2_EVENT_STATE_CHANGE: 7591 NDBG20(("mptsas%d state change.", mpt->m_instance)); 7592 break; 7593 case MPI2_EVENT_HARD_RESET_RECEIVED: 7594 NDBG20(("mptsas%d event change.", mpt->m_instance)); 7595 break; 7596 case MPI2_EVENT_SAS_DISCOVERY: 7597 { 7598 MPI2_EVENT_DATA_SAS_DISCOVERY *sasdiscovery; 7599 char string[80]; 7600 uint8_t rc; 7601 7602 sasdiscovery = 7603 (pMpi2EventDataSasDiscovery_t)eventreply->EventData; 7604 7605 rc = ddi_get8(mpt->m_acc_reply_frame_hdl, 7606 &sasdiscovery->ReasonCode); 7607 port = ddi_get8(mpt->m_acc_reply_frame_hdl, 7608 &sasdiscovery->PhysicalPort); 7609 status = ddi_get32(mpt->m_acc_reply_frame_hdl, 7610 &sasdiscovery->DiscoveryStatus); 7611 7612 string[0] = 0; 7613 switch (rc) { 7614 case MPI2_EVENT_SAS_DISC_RC_STARTED: 7615 (void) sprintf(string, "STARTING"); 7616 break; 7617 case MPI2_EVENT_SAS_DISC_RC_COMPLETED: 7618 (void) sprintf(string, "COMPLETED"); 7619 break; 7620 default: 7621 (void) sprintf(string, "UNKNOWN"); 7622 break; 7623 } 7624 7625 NDBG20(("SAS DISCOVERY is %s for port %d, status %x", string, 7626 port, status)); 7627 7628 break; 7629 } 7630 case MPI2_EVENT_EVENT_CHANGE: 7631 NDBG20(("mptsas%d event change.", mpt->m_instance)); 7632 break; 7633 case MPI2_EVENT_TASK_SET_FULL: 7634 { 7635 pMpi2EventDataTaskSetFull_t taskfull; 7636 7637 taskfull = (pMpi2EventDataTaskSetFull_t)eventreply->EventData; 7638 7639 NDBG20(("TASK_SET_FULL received for mptsas%d, depth %d\n", 7640 mpt->m_instance, ddi_get16(mpt->m_acc_reply_frame_hdl, 7641 &taskfull->CurrentDepth))); 7642 break; 7643 } 7644 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: 7645 { 7646 /* 7647 * SAS TOPOLOGY CHANGE LIST Event has already been handled 7648 * in mptsas_handle_event_sync() of interrupt context 7649 */ 7650 break; 7651 } 7652 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: 7653 { 7654 pMpi2EventDataSasEnclDevStatusChange_t encstatus; 7655 uint8_t rc; 7656 char string[80]; 7657 7658 encstatus = (pMpi2EventDataSasEnclDevStatusChange_t) 7659 eventreply->EventData; 7660 7661 rc = ddi_get8(mpt->m_acc_reply_frame_hdl, 7662 &encstatus->ReasonCode); 7663 switch (rc) { 7664 case MPI2_EVENT_SAS_ENCL_RC_ADDED: 7665 (void) sprintf(string, "added"); 7666 break; 7667 case MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING: 7668 (void) sprintf(string, ", not responding"); 7669 break; 7670 default: 7671 break; 7672 } 7673 NDBG20(("mptsas%d ENCLOSURE STATUS CHANGE for enclosure " 7674 "%x%s\n", mpt->m_instance, 7675 ddi_get16(mpt->m_acc_reply_frame_hdl, 7676 &encstatus->EnclosureHandle), string)); 7677 break; 7678 } 7679 7680 /* 7681 * MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE is handled by 7682 * mptsas_handle_event_sync,in here just send ack message. 7683 */ 7684 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: 7685 { 7686 pMpi2EventDataSasDeviceStatusChange_t statuschange; 7687 uint8_t rc; 7688 uint16_t devhdl; 7689 uint64_t wwn = 0; 7690 uint32_t wwn_lo, wwn_hi; 7691 7692 statuschange = (pMpi2EventDataSasDeviceStatusChange_t) 7693 eventreply->EventData; 7694 rc = ddi_get8(mpt->m_acc_reply_frame_hdl, 7695 &statuschange->ReasonCode); 7696 wwn_lo = ddi_get32(mpt->m_acc_reply_frame_hdl, 7697 (uint32_t *)(void *)&statuschange->SASAddress); 7698 wwn_hi = ddi_get32(mpt->m_acc_reply_frame_hdl, 7699 (uint32_t *)(void *)&statuschange->SASAddress + 1); 7700 wwn = ((uint64_t)wwn_hi << 32) | wwn_lo; 7701 devhdl = ddi_get16(mpt->m_acc_reply_frame_hdl, 7702 &statuschange->DevHandle); 7703 7704 NDBG13(("MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE wwn is %"PRIx64, 7705 wwn)); 7706 7707 switch (rc) { 7708 case MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA: 7709 NDBG20(("SMART data received, ASC/ASCQ = %02x/%02x", 7710 ddi_get8(mpt->m_acc_reply_frame_hdl, 7711 &statuschange->ASC), 7712 ddi_get8(mpt->m_acc_reply_frame_hdl, 7713 &statuschange->ASCQ))); 7714 break; 7715 7716 case MPI2_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED: 7717 NDBG20(("Device not supported")); 7718 break; 7719 7720 case MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET: 7721 NDBG20(("IOC internally generated the Target Reset " 7722 "for devhdl:%x", devhdl)); 7723 break; 7724 7725 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET: 7726 NDBG20(("IOC's internally generated Target Reset " 7727 "completed for devhdl:%x", devhdl)); 7728 break; 7729 7730 case MPI2_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL: 7731 NDBG20(("IOC internally generated Abort Task")); 7732 break; 7733 7734 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_TASK_ABORT_INTERNAL: 7735 NDBG20(("IOC's internally generated Abort Task " 7736 "completed")); 7737 break; 7738 7739 case MPI2_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL: 7740 NDBG20(("IOC internally generated Abort Task Set")); 7741 break; 7742 7743 case MPI2_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL: 7744 NDBG20(("IOC internally generated Clear Task Set")); 7745 break; 7746 7747 case MPI2_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL: 7748 NDBG20(("IOC internally generated Query Task")); 7749 break; 7750 7751 case MPI2_EVENT_SAS_DEV_STAT_RC_ASYNC_NOTIFICATION: 7752 NDBG20(("Device sent an Asynchronous Notification")); 7753 break; 7754 7755 default: 7756 break; 7757 } 7758 break; 7759 } 7760 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: 7761 { 7762 /* 7763 * IR TOPOLOGY CHANGE LIST Event has already been handled 7764 * in mpt_handle_event_sync() of interrupt context 7765 */ 7766 break; 7767 } 7768 case MPI2_EVENT_IR_OPERATION_STATUS: 7769 { 7770 Mpi2EventDataIrOperationStatus_t *irOpStatus; 7771 char reason_str[80]; 7772 uint8_t rc, percent; 7773 uint16_t handle; 7774 7775 irOpStatus = (pMpi2EventDataIrOperationStatus_t) 7776 eventreply->EventData; 7777 rc = ddi_get8(mpt->m_acc_reply_frame_hdl, 7778 &irOpStatus->RAIDOperation); 7779 percent = ddi_get8(mpt->m_acc_reply_frame_hdl, 7780 &irOpStatus->PercentComplete); 7781 handle = ddi_get16(mpt->m_acc_reply_frame_hdl, 7782 &irOpStatus->VolDevHandle); 7783 7784 switch (rc) { 7785 case MPI2_EVENT_IR_RAIDOP_RESYNC: 7786 (void) sprintf(reason_str, "resync"); 7787 break; 7788 case MPI2_EVENT_IR_RAIDOP_ONLINE_CAP_EXPANSION: 7789 (void) sprintf(reason_str, "online capacity " 7790 "expansion"); 7791 break; 7792 case MPI2_EVENT_IR_RAIDOP_CONSISTENCY_CHECK: 7793 (void) sprintf(reason_str, "consistency check"); 7794 break; 7795 default: 7796 (void) sprintf(reason_str, "unknown reason %x", 7797 rc); 7798 } 7799 7800 NDBG20(("mptsas%d raid operational status: (%s)" 7801 "\thandle(0x%04x), percent complete(%d)\n", 7802 mpt->m_instance, reason_str, handle, percent)); 7803 break; 7804 } 7805 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: 7806 { 7807 pMpi2EventDataSasBroadcastPrimitive_t sas_broadcast; 7808 uint8_t phy_num; 7809 uint8_t primitive; 7810 7811 sas_broadcast = (pMpi2EventDataSasBroadcastPrimitive_t) 7812 eventreply->EventData; 7813 7814 phy_num = ddi_get8(mpt->m_acc_reply_frame_hdl, 7815 &sas_broadcast->PhyNum); 7816 primitive = ddi_get8(mpt->m_acc_reply_frame_hdl, 7817 &sas_broadcast->Primitive); 7818 7819 switch (primitive) { 7820 case MPI2_EVENT_PRIMITIVE_CHANGE: 7821 mptsas_smhba_log_sysevent(mpt, 7822 ESC_SAS_HBA_PORT_BROADCAST, 7823 SAS_PORT_BROADCAST_CHANGE, 7824 &mpt->m_phy_info[phy_num].smhba_info); 7825 break; 7826 case MPI2_EVENT_PRIMITIVE_SES: 7827 mptsas_smhba_log_sysevent(mpt, 7828 ESC_SAS_HBA_PORT_BROADCAST, 7829 SAS_PORT_BROADCAST_SES, 7830 &mpt->m_phy_info[phy_num].smhba_info); 7831 break; 7832 case MPI2_EVENT_PRIMITIVE_EXPANDER: 7833 mptsas_smhba_log_sysevent(mpt, 7834 ESC_SAS_HBA_PORT_BROADCAST, 7835 SAS_PORT_BROADCAST_D01_4, 7836 &mpt->m_phy_info[phy_num].smhba_info); 7837 break; 7838 case MPI2_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT: 7839 mptsas_smhba_log_sysevent(mpt, 7840 ESC_SAS_HBA_PORT_BROADCAST, 7841 SAS_PORT_BROADCAST_D04_7, 7842 &mpt->m_phy_info[phy_num].smhba_info); 7843 break; 7844 case MPI2_EVENT_PRIMITIVE_RESERVED3: 7845 mptsas_smhba_log_sysevent(mpt, 7846 ESC_SAS_HBA_PORT_BROADCAST, 7847 SAS_PORT_BROADCAST_D16_7, 7848 &mpt->m_phy_info[phy_num].smhba_info); 7849 break; 7850 case MPI2_EVENT_PRIMITIVE_RESERVED4: 7851 mptsas_smhba_log_sysevent(mpt, 7852 ESC_SAS_HBA_PORT_BROADCAST, 7853 SAS_PORT_BROADCAST_D29_7, 7854 &mpt->m_phy_info[phy_num].smhba_info); 7855 break; 7856 case MPI2_EVENT_PRIMITIVE_CHANGE0_RESERVED: 7857 mptsas_smhba_log_sysevent(mpt, 7858 ESC_SAS_HBA_PORT_BROADCAST, 7859 SAS_PORT_BROADCAST_D24_0, 7860 &mpt->m_phy_info[phy_num].smhba_info); 7861 break; 7862 case MPI2_EVENT_PRIMITIVE_CHANGE1_RESERVED: 7863 mptsas_smhba_log_sysevent(mpt, 7864 ESC_SAS_HBA_PORT_BROADCAST, 7865 SAS_PORT_BROADCAST_D27_4, 7866 &mpt->m_phy_info[phy_num].smhba_info); 7867 break; 7868 default: 7869 NDBG16(("mptsas%d: unknown BROADCAST PRIMITIVE" 7870 " %x received", 7871 mpt->m_instance, primitive)); 7872 break; 7873 } 7874 NDBG16(("mptsas%d sas broadcast primitive: " 7875 "\tprimitive(0x%04x), phy(%d) complete\n", 7876 mpt->m_instance, primitive, phy_num)); 7877 break; 7878 } 7879 case MPI2_EVENT_IR_VOLUME: 7880 { 7881 Mpi2EventDataIrVolume_t *irVolume; 7882 uint16_t devhandle; 7883 uint32_t state; 7884 int config, vol; 7885 uint8_t found = FALSE; 7886 7887 irVolume = (pMpi2EventDataIrVolume_t)eventreply->EventData; 7888 state = ddi_get32(mpt->m_acc_reply_frame_hdl, 7889 &irVolume->NewValue); 7890 devhandle = ddi_get16(mpt->m_acc_reply_frame_hdl, 7891 &irVolume->VolDevHandle); 7892 7893 NDBG20(("EVENT_IR_VOLUME event is received")); 7894 7895 /* 7896 * Get latest RAID info and then find the DevHandle for this 7897 * event in the configuration. If the DevHandle is not found 7898 * just exit the event. 7899 */ 7900 (void) mptsas_get_raid_info(mpt); 7901 for (config = 0; (config < mpt->m_num_raid_configs) && 7902 (!found); config++) { 7903 for (vol = 0; vol < MPTSAS_MAX_RAIDVOLS; vol++) { 7904 if (mpt->m_raidconfig[config].m_raidvol[vol]. 7905 m_raidhandle == devhandle) { 7906 found = TRUE; 7907 break; 7908 } 7909 } 7910 } 7911 if (!found) { 7912 break; 7913 } 7914 7915 switch (irVolume->ReasonCode) { 7916 case MPI2_EVENT_IR_VOLUME_RC_SETTINGS_CHANGED: 7917 { 7918 uint32_t i; 7919 mpt->m_raidconfig[config].m_raidvol[vol].m_settings = 7920 state; 7921 7922 i = state & MPI2_RAIDVOL0_SETTING_MASK_WRITE_CACHING; 7923 mptsas_log(mpt, CE_NOTE, " Volume %d settings changed" 7924 ", auto-config of hot-swap drives is %s" 7925 ", write caching is %s" 7926 ", hot-spare pool mask is %02x\n", 7927 vol, state & 7928 MPI2_RAIDVOL0_SETTING_AUTO_CONFIG_HSWAP_DISABLE 7929 ? "disabled" : "enabled", 7930 i == MPI2_RAIDVOL0_SETTING_UNCHANGED 7931 ? "controlled by member disks" : 7932 i == MPI2_RAIDVOL0_SETTING_DISABLE_WRITE_CACHING 7933 ? "disabled" : 7934 i == MPI2_RAIDVOL0_SETTING_ENABLE_WRITE_CACHING 7935 ? "enabled" : 7936 "incorrectly set", 7937 (state >> 16) & 0xff); 7938 break; 7939 } 7940 case MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED: 7941 { 7942 mpt->m_raidconfig[config].m_raidvol[vol].m_state = 7943 (uint8_t)state; 7944 7945 mptsas_log(mpt, CE_NOTE, 7946 "Volume %d is now %s\n", vol, 7947 state == MPI2_RAID_VOL_STATE_OPTIMAL 7948 ? "optimal" : 7949 state == MPI2_RAID_VOL_STATE_DEGRADED 7950 ? "degraded" : 7951 state == MPI2_RAID_VOL_STATE_ONLINE 7952 ? "online" : 7953 state == MPI2_RAID_VOL_STATE_INITIALIZING 7954 ? "initializing" : 7955 state == MPI2_RAID_VOL_STATE_FAILED 7956 ? "failed" : 7957 state == MPI2_RAID_VOL_STATE_MISSING 7958 ? "missing" : 7959 "state unknown"); 7960 break; 7961 } 7962 case MPI2_EVENT_IR_VOLUME_RC_STATUS_FLAGS_CHANGED: 7963 { 7964 mpt->m_raidconfig[config].m_raidvol[vol]. 7965 m_statusflags = state; 7966 7967 mptsas_log(mpt, CE_NOTE, 7968 " Volume %d is now %s%s%s%s%s%s%s%s%s\n", 7969 vol, 7970 state & MPI2_RAIDVOL0_STATUS_FLAG_ENABLED 7971 ? ", enabled" : ", disabled", 7972 state & MPI2_RAIDVOL0_STATUS_FLAG_QUIESCED 7973 ? ", quiesced" : "", 7974 state & MPI2_RAIDVOL0_STATUS_FLAG_VOLUME_INACTIVE 7975 ? ", inactive" : ", active", 7976 state & 7977 MPI2_RAIDVOL0_STATUS_FLAG_BAD_BLOCK_TABLE_FULL 7978 ? ", bad block table is full" : "", 7979 state & 7980 MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS 7981 ? ", resync in progress" : "", 7982 state & MPI2_RAIDVOL0_STATUS_FLAG_BACKGROUND_INIT 7983 ? ", background initialization in progress" : "", 7984 state & 7985 MPI2_RAIDVOL0_STATUS_FLAG_CAPACITY_EXPANSION 7986 ? ", capacity expansion in progress" : "", 7987 state & 7988 MPI2_RAIDVOL0_STATUS_FLAG_CONSISTENCY_CHECK 7989 ? ", consistency check in progress" : "", 7990 state & MPI2_RAIDVOL0_STATUS_FLAG_DATA_SCRUB 7991 ? ", data scrub in progress" : ""); 7992 break; 7993 } 7994 default: 7995 break; 7996 } 7997 break; 7998 } 7999 case MPI2_EVENT_IR_PHYSICAL_DISK: 8000 { 8001 Mpi2EventDataIrPhysicalDisk_t *irPhysDisk; 8002 uint16_t devhandle, enchandle, slot; 8003 uint32_t status, state; 8004 uint8_t physdisknum, reason; 8005 8006 irPhysDisk = (Mpi2EventDataIrPhysicalDisk_t *) 8007 eventreply->EventData; 8008 physdisknum = ddi_get8(mpt->m_acc_reply_frame_hdl, 8009 &irPhysDisk->PhysDiskNum); 8010 devhandle = ddi_get16(mpt->m_acc_reply_frame_hdl, 8011 &irPhysDisk->PhysDiskDevHandle); 8012 enchandle = ddi_get16(mpt->m_acc_reply_frame_hdl, 8013 &irPhysDisk->EnclosureHandle); 8014 slot = ddi_get16(mpt->m_acc_reply_frame_hdl, 8015 &irPhysDisk->Slot); 8016 state = ddi_get32(mpt->m_acc_reply_frame_hdl, 8017 &irPhysDisk->NewValue); 8018 reason = ddi_get8(mpt->m_acc_reply_frame_hdl, 8019 &irPhysDisk->ReasonCode); 8020 8021 NDBG20(("EVENT_IR_PHYSICAL_DISK event is received")); 8022 8023 switch (reason) { 8024 case MPI2_EVENT_IR_PHYSDISK_RC_SETTINGS_CHANGED: 8025 mptsas_log(mpt, CE_NOTE, 8026 " PhysDiskNum %d with DevHandle 0x%x in slot %d " 8027 "for enclosure with handle 0x%x is now in hot " 8028 "spare pool %d", 8029 physdisknum, devhandle, slot, enchandle, 8030 (state >> 16) & 0xff); 8031 break; 8032 8033 case MPI2_EVENT_IR_PHYSDISK_RC_STATUS_FLAGS_CHANGED: 8034 status = state; 8035 mptsas_log(mpt, CE_NOTE, 8036 " PhysDiskNum %d with DevHandle 0x%x in slot %d " 8037 "for enclosure with handle 0x%x is now " 8038 "%s%s%s%s%s\n", physdisknum, devhandle, slot, 8039 enchandle, 8040 status & MPI2_PHYSDISK0_STATUS_FLAG_INACTIVE_VOLUME 8041 ? ", inactive" : ", active", 8042 status & MPI2_PHYSDISK0_STATUS_FLAG_OUT_OF_SYNC 8043 ? ", out of sync" : "", 8044 status & MPI2_PHYSDISK0_STATUS_FLAG_QUIESCED 8045 ? ", quiesced" : "", 8046 status & 8047 MPI2_PHYSDISK0_STATUS_FLAG_WRITE_CACHE_ENABLED 8048 ? ", write cache enabled" : "", 8049 status & MPI2_PHYSDISK0_STATUS_FLAG_OCE_TARGET 8050 ? ", capacity expansion target" : ""); 8051 break; 8052 8053 case MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED: 8054 mptsas_log(mpt, CE_NOTE, 8055 " PhysDiskNum %d with DevHandle 0x%x in slot %d " 8056 "for enclosure with handle 0x%x is now %s\n", 8057 physdisknum, devhandle, slot, enchandle, 8058 state == MPI2_RAID_PD_STATE_OPTIMAL 8059 ? "optimal" : 8060 state == MPI2_RAID_PD_STATE_REBUILDING 8061 ? "rebuilding" : 8062 state == MPI2_RAID_PD_STATE_DEGRADED 8063 ? "degraded" : 8064 state == MPI2_RAID_PD_STATE_HOT_SPARE 8065 ? "a hot spare" : 8066 state == MPI2_RAID_PD_STATE_ONLINE 8067 ? "online" : 8068 state == MPI2_RAID_PD_STATE_OFFLINE 8069 ? "offline" : 8070 state == MPI2_RAID_PD_STATE_NOT_COMPATIBLE 8071 ? "not compatible" : 8072 state == MPI2_RAID_PD_STATE_NOT_CONFIGURED 8073 ? "not configured" : 8074 "state unknown"); 8075 break; 8076 } 8077 break; 8078 } 8079 default: 8080 NDBG20(("mptsas%d: unknown event %x received", 8081 mpt->m_instance, event)); 8082 break; 8083 } 8084 8085 /* 8086 * Return the reply frame to the free queue. 8087 */ 8088 ddi_put32(mpt->m_acc_free_queue_hdl, 8089 &((uint32_t *)(void *)mpt->m_free_queue)[mpt->m_free_index], rfm); 8090 (void) ddi_dma_sync(mpt->m_dma_free_queue_hdl, 0, 0, 8091 DDI_DMA_SYNC_FORDEV); 8092 if (++mpt->m_free_index == mpt->m_free_queue_depth) { 8093 mpt->m_free_index = 0; 8094 } 8095 ddi_put32(mpt->m_datap, &mpt->m_reg->ReplyFreeHostIndex, 8096 mpt->m_free_index); 8097 mutex_exit(&mpt->m_mutex); 8098 } 8099 8100 /* 8101 * invoked from timeout() to restart qfull cmds with throttle == 0 8102 */ 8103 static void 8104 mptsas_restart_cmd(void *arg) 8105 { 8106 mptsas_t *mpt = arg; 8107 mptsas_target_t *ptgt = NULL; 8108 8109 mutex_enter(&mpt->m_mutex); 8110 8111 mpt->m_restart_cmd_timeid = 0; 8112 8113 for (ptgt = refhash_first(mpt->m_targets); ptgt != NULL; 8114 ptgt = refhash_next(mpt->m_targets, ptgt)) { 8115 if (ptgt->m_reset_delay == 0) { 8116 if (ptgt->m_t_throttle == QFULL_THROTTLE) { 8117 mptsas_set_throttle(mpt, ptgt, 8118 MAX_THROTTLE); 8119 } 8120 } 8121 } 8122 mptsas_restart_hba(mpt); 8123 mutex_exit(&mpt->m_mutex); 8124 } 8125 8126 void 8127 mptsas_remove_cmd(mptsas_t *mpt, mptsas_cmd_t *cmd) 8128 { 8129 int slot; 8130 mptsas_slots_t *slots = mpt->m_active; 8131 mptsas_target_t *ptgt = cmd->cmd_tgt_addr; 8132 8133 ASSERT(cmd != NULL); 8134 ASSERT(cmd->cmd_queued == FALSE); 8135 8136 /* 8137 * Task Management cmds are removed in their own routines. Also, 8138 * we don't want to modify timeout based on TM cmds. 8139 */ 8140 if (cmd->cmd_flags & CFLAG_TM_CMD) { 8141 return; 8142 } 8143 8144 slot = cmd->cmd_slot; 8145 8146 /* 8147 * remove the cmd. 8148 */ 8149 if (cmd == slots->m_slot[slot]) { 8150 NDBG31(("mptsas_remove_cmd: removing cmd=0x%p, flags " 8151 "0x%x", (void *)cmd, cmd->cmd_flags)); 8152 slots->m_slot[slot] = NULL; 8153 mpt->m_ncmds--; 8154 8155 /* 8156 * only decrement per target ncmds if command 8157 * has a target associated with it. 8158 */ 8159 if ((cmd->cmd_flags & CFLAG_CMDIOC) == 0) { 8160 ptgt->m_t_ncmds--; 8161 /* 8162 * reset throttle if we just ran an untagged command 8163 * to a tagged target 8164 */ 8165 if ((ptgt->m_t_ncmds == 0) && 8166 ((cmd->cmd_pkt_flags & FLAG_TAGMASK) == 0)) { 8167 mptsas_set_throttle(mpt, ptgt, MAX_THROTTLE); 8168 } 8169 8170 /* 8171 * Remove this command from the active queue. 8172 */ 8173 if (cmd->cmd_active_expiration != 0) { 8174 TAILQ_REMOVE(&ptgt->m_active_cmdq, cmd, 8175 cmd_active_link); 8176 cmd->cmd_active_expiration = 0; 8177 } 8178 } 8179 } 8180 8181 /* 8182 * This is all we need to do for ioc commands. 8183 */ 8184 if (cmd->cmd_flags & CFLAG_CMDIOC) { 8185 mptsas_return_to_pool(mpt, cmd); 8186 return; 8187 } 8188 8189 ASSERT(cmd != slots->m_slot[cmd->cmd_slot]); 8190 } 8191 8192 /* 8193 * accept all cmds on the tx_waitq if any and then 8194 * start a fresh request from the top of the device queue. 8195 * 8196 * since there are always cmds queued on the tx_waitq, and rare cmds on 8197 * the instance waitq, so this function should not be invoked in the ISR, 8198 * the mptsas_restart_waitq() is invoked in the ISR instead. otherwise, the 8199 * burden belongs to the IO dispatch CPUs is moved the interrupt CPU. 8200 */ 8201 static void 8202 mptsas_restart_hba(mptsas_t *mpt) 8203 { 8204 ASSERT(mutex_owned(&mpt->m_mutex)); 8205 8206 mutex_enter(&mpt->m_tx_waitq_mutex); 8207 if (mpt->m_tx_waitq) { 8208 mptsas_accept_tx_waitq(mpt); 8209 } 8210 mutex_exit(&mpt->m_tx_waitq_mutex); 8211 mptsas_restart_waitq(mpt); 8212 } 8213 8214 /* 8215 * start a fresh request from the top of the device queue 8216 */ 8217 static void 8218 mptsas_restart_waitq(mptsas_t *mpt) 8219 { 8220 mptsas_cmd_t *cmd, *next_cmd; 8221 mptsas_target_t *ptgt = NULL; 8222 8223 NDBG1(("mptsas_restart_waitq: mpt=0x%p", (void *)mpt)); 8224 8225 ASSERT(mutex_owned(&mpt->m_mutex)); 8226 8227 /* 8228 * If there is a reset delay, don't start any cmds. Otherwise, start 8229 * as many cmds as possible. 8230 * Since SMID 0 is reserved and the TM slot is reserved, the actual max 8231 * commands is m_max_requests - 2. 8232 */ 8233 cmd = mpt->m_waitq; 8234 8235 while (cmd != NULL) { 8236 next_cmd = cmd->cmd_linkp; 8237 if (cmd->cmd_flags & CFLAG_PASSTHRU) { 8238 if (mptsas_save_cmd(mpt, cmd) == TRUE) { 8239 /* 8240 * passthru command get slot need 8241 * set CFLAG_PREPARED. 8242 */ 8243 cmd->cmd_flags |= CFLAG_PREPARED; 8244 mptsas_waitq_delete(mpt, cmd); 8245 mptsas_start_passthru(mpt, cmd); 8246 } 8247 cmd = next_cmd; 8248 continue; 8249 } 8250 if (cmd->cmd_flags & CFLAG_CONFIG) { 8251 if (mptsas_save_cmd(mpt, cmd) == TRUE) { 8252 /* 8253 * Send the config page request and delete it 8254 * from the waitq. 8255 */ 8256 cmd->cmd_flags |= CFLAG_PREPARED; 8257 mptsas_waitq_delete(mpt, cmd); 8258 mptsas_start_config_page_access(mpt, cmd); 8259 } 8260 cmd = next_cmd; 8261 continue; 8262 } 8263 if (cmd->cmd_flags & CFLAG_FW_DIAG) { 8264 if (mptsas_save_cmd(mpt, cmd) == TRUE) { 8265 /* 8266 * Send the FW Diag request and delete if from 8267 * the waitq. 8268 */ 8269 cmd->cmd_flags |= CFLAG_PREPARED; 8270 mptsas_waitq_delete(mpt, cmd); 8271 mptsas_start_diag(mpt, cmd); 8272 } 8273 cmd = next_cmd; 8274 continue; 8275 } 8276 8277 ptgt = cmd->cmd_tgt_addr; 8278 if (ptgt && (ptgt->m_t_throttle == DRAIN_THROTTLE) && 8279 (ptgt->m_t_ncmds == 0)) { 8280 mptsas_set_throttle(mpt, ptgt, MAX_THROTTLE); 8281 } 8282 if ((mpt->m_ncmds <= (mpt->m_max_requests - 2)) && 8283 (ptgt && (ptgt->m_reset_delay == 0)) && 8284 (ptgt && (ptgt->m_t_ncmds < 8285 ptgt->m_t_throttle))) { 8286 if (mptsas_save_cmd(mpt, cmd) == TRUE) { 8287 mptsas_waitq_delete(mpt, cmd); 8288 (void) mptsas_start_cmd(mpt, cmd); 8289 } 8290 } 8291 cmd = next_cmd; 8292 } 8293 } 8294 /* 8295 * Cmds are queued if tran_start() doesn't get the m_mutexlock(no wait). 8296 * Accept all those queued cmds before new cmd is accept so that the 8297 * cmds are sent in order. 8298 */ 8299 static void 8300 mptsas_accept_tx_waitq(mptsas_t *mpt) 8301 { 8302 mptsas_cmd_t *cmd; 8303 8304 ASSERT(mutex_owned(&mpt->m_mutex)); 8305 ASSERT(mutex_owned(&mpt->m_tx_waitq_mutex)); 8306 8307 /* 8308 * A Bus Reset could occur at any time and flush the tx_waitq, 8309 * so we cannot count on the tx_waitq to contain even one cmd. 8310 * And when the m_tx_waitq_mutex is released and run 8311 * mptsas_accept_pkt(), the tx_waitq may be flushed. 8312 */ 8313 cmd = mpt->m_tx_waitq; 8314 for (;;) { 8315 if ((cmd = mpt->m_tx_waitq) == NULL) { 8316 mpt->m_tx_draining = 0; 8317 break; 8318 } 8319 if ((mpt->m_tx_waitq = cmd->cmd_linkp) == NULL) { 8320 mpt->m_tx_waitqtail = &mpt->m_tx_waitq; 8321 } 8322 cmd->cmd_linkp = NULL; 8323 mutex_exit(&mpt->m_tx_waitq_mutex); 8324 if (mptsas_accept_pkt(mpt, cmd) != TRAN_ACCEPT) 8325 cmn_err(CE_WARN, "mpt: mptsas_accept_tx_waitq: failed " 8326 "to accept cmd on queue\n"); 8327 mutex_enter(&mpt->m_tx_waitq_mutex); 8328 } 8329 } 8330 8331 8332 /* 8333 * mpt tag type lookup 8334 */ 8335 static char mptsas_tag_lookup[] = 8336 {0, MSG_HEAD_QTAG, MSG_ORDERED_QTAG, 0, MSG_SIMPLE_QTAG}; 8337 8338 static int 8339 mptsas_start_cmd(mptsas_t *mpt, mptsas_cmd_t *cmd) 8340 { 8341 struct scsi_pkt *pkt = CMD2PKT(cmd); 8342 uint32_t control = 0; 8343 caddr_t mem, arsbuf; 8344 pMpi2SCSIIORequest_t io_request; 8345 ddi_dma_handle_t dma_hdl = mpt->m_dma_req_frame_hdl; 8346 ddi_acc_handle_t acc_hdl = mpt->m_acc_req_frame_hdl; 8347 mptsas_target_t *ptgt = cmd->cmd_tgt_addr; 8348 uint16_t SMID, io_flags = 0; 8349 uint8_t ars_size; 8350 uint64_t request_desc; 8351 uint32_t ars_dmaaddrlow; 8352 mptsas_cmd_t *c; 8353 8354 NDBG1(("mptsas_start_cmd: cmd=0x%p, flags 0x%x", (void *)cmd, 8355 cmd->cmd_flags)); 8356 8357 /* 8358 * Set SMID and increment index. Rollover to 1 instead of 0 if index 8359 * is at the max. 0 is an invalid SMID, so we call the first index 1. 8360 */ 8361 SMID = cmd->cmd_slot; 8362 8363 /* 8364 * It is possible for back to back device reset to 8365 * happen before the reset delay has expired. That's 8366 * ok, just let the device reset go out on the bus. 8367 */ 8368 if ((cmd->cmd_pkt_flags & FLAG_NOINTR) == 0) { 8369 ASSERT(ptgt->m_reset_delay == 0); 8370 } 8371 8372 /* 8373 * if a non-tagged cmd is submitted to an active tagged target 8374 * then drain before submitting this cmd; SCSI-2 allows RQSENSE 8375 * to be untagged 8376 */ 8377 if (((cmd->cmd_pkt_flags & FLAG_TAGMASK) == 0) && 8378 (ptgt->m_t_ncmds > 1) && 8379 ((cmd->cmd_flags & CFLAG_TM_CMD) == 0) && 8380 (*(cmd->cmd_pkt->pkt_cdbp) != SCMD_REQUEST_SENSE)) { 8381 if ((cmd->cmd_pkt_flags & FLAG_NOINTR) == 0) { 8382 NDBG23(("target=%d, untagged cmd, start draining\n", 8383 ptgt->m_devhdl)); 8384 8385 if (ptgt->m_reset_delay == 0) { 8386 mptsas_set_throttle(mpt, ptgt, DRAIN_THROTTLE); 8387 } 8388 8389 mptsas_remove_cmd(mpt, cmd); 8390 cmd->cmd_pkt_flags |= FLAG_HEAD; 8391 mptsas_waitq_add(mpt, cmd); 8392 } 8393 return (DDI_FAILURE); 8394 } 8395 8396 /* 8397 * Set correct tag bits. 8398 */ 8399 if (cmd->cmd_pkt_flags & FLAG_TAGMASK) { 8400 switch (mptsas_tag_lookup[((cmd->cmd_pkt_flags & 8401 FLAG_TAGMASK) >> 12)]) { 8402 case MSG_SIMPLE_QTAG: 8403 control |= MPI2_SCSIIO_CONTROL_SIMPLEQ; 8404 break; 8405 case MSG_HEAD_QTAG: 8406 control |= MPI2_SCSIIO_CONTROL_HEADOFQ; 8407 break; 8408 case MSG_ORDERED_QTAG: 8409 control |= MPI2_SCSIIO_CONTROL_ORDEREDQ; 8410 break; 8411 default: 8412 mptsas_log(mpt, CE_WARN, "mpt: Invalid tag type\n"); 8413 break; 8414 } 8415 } else { 8416 if (*(cmd->cmd_pkt->pkt_cdbp) != SCMD_REQUEST_SENSE) { 8417 ptgt->m_t_throttle = 1; 8418 } 8419 control |= MPI2_SCSIIO_CONTROL_SIMPLEQ; 8420 } 8421 8422 if (cmd->cmd_pkt_flags & FLAG_TLR) { 8423 control |= MPI2_SCSIIO_CONTROL_TLR_ON; 8424 } 8425 8426 mem = mpt->m_req_frame + (mpt->m_req_frame_size * SMID); 8427 io_request = (pMpi2SCSIIORequest_t)mem; 8428 if (cmd->cmd_extrqslen != 0) { 8429 /* 8430 * Mapping of the buffer was done in mptsas_pkt_alloc_extern(). 8431 * Calculate the DMA address with the same offset. 8432 */ 8433 arsbuf = cmd->cmd_arq_buf; 8434 ars_size = cmd->cmd_extrqslen; 8435 ars_dmaaddrlow = (mpt->m_req_sense_dma_addr + 8436 ((uintptr_t)arsbuf - (uintptr_t)mpt->m_req_sense)) & 8437 0xffffffffu; 8438 } else { 8439 arsbuf = mpt->m_req_sense + (mpt->m_req_sense_size * (SMID-1)); 8440 cmd->cmd_arq_buf = arsbuf; 8441 ars_size = mpt->m_req_sense_size; 8442 ars_dmaaddrlow = (mpt->m_req_sense_dma_addr + 8443 (mpt->m_req_sense_size * (SMID-1))) & 8444 0xffffffffu; 8445 } 8446 bzero(io_request, sizeof (Mpi2SCSIIORequest_t)); 8447 bzero(arsbuf, ars_size); 8448 8449 ddi_put8(acc_hdl, &io_request->SGLOffset0, offsetof 8450 (MPI2_SCSI_IO_REQUEST, SGL) / 4); 8451 mptsas_init_std_hdr(acc_hdl, io_request, ptgt->m_devhdl, Lun(cmd), 0, 8452 MPI2_FUNCTION_SCSI_IO_REQUEST); 8453 8454 (void) ddi_rep_put8(acc_hdl, (uint8_t *)pkt->pkt_cdbp, 8455 io_request->CDB.CDB32, cmd->cmd_cdblen, DDI_DEV_AUTOINCR); 8456 8457 io_flags = cmd->cmd_cdblen; 8458 if (mptsas_use_fastpath && 8459 ptgt->m_io_flags & MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH) { 8460 io_flags |= MPI25_SCSIIO_IOFLAGS_FAST_PATH; 8461 request_desc = MPI25_REQ_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO; 8462 } else { 8463 request_desc = MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO; 8464 } 8465 ddi_put16(acc_hdl, &io_request->IoFlags, io_flags); 8466 /* 8467 * setup the Scatter/Gather DMA list for this request 8468 */ 8469 if (cmd->cmd_cookiec > 0) { 8470 mptsas_sge_setup(mpt, cmd, &control, io_request, acc_hdl); 8471 } else { 8472 ddi_put32(acc_hdl, &io_request->SGL.MpiSimple.FlagsLength, 8473 ((uint32_t)MPI2_SGE_FLAGS_LAST_ELEMENT | 8474 MPI2_SGE_FLAGS_END_OF_BUFFER | 8475 MPI2_SGE_FLAGS_SIMPLE_ELEMENT | 8476 MPI2_SGE_FLAGS_END_OF_LIST) << MPI2_SGE_FLAGS_SHIFT); 8477 } 8478 8479 /* 8480 * save ARQ information 8481 */ 8482 ddi_put8(acc_hdl, &io_request->SenseBufferLength, ars_size); 8483 ddi_put32(acc_hdl, &io_request->SenseBufferLowAddress, ars_dmaaddrlow); 8484 8485 ddi_put32(acc_hdl, &io_request->Control, control); 8486 8487 NDBG31(("starting message=%d(0x%p), with cmd=0x%p", 8488 SMID, (void *)io_request, (void *)cmd)); 8489 8490 (void) ddi_dma_sync(dma_hdl, 0, 0, DDI_DMA_SYNC_FORDEV); 8491 (void) ddi_dma_sync(mpt->m_dma_req_sense_hdl, 0, 0, 8492 DDI_DMA_SYNC_FORDEV); 8493 8494 /* 8495 * Build request descriptor and write it to the request desc post reg. 8496 */ 8497 request_desc |= (SMID << 16); 8498 request_desc |= (uint64_t)ptgt->m_devhdl << 48; 8499 MPTSAS_START_CMD(mpt, request_desc); 8500 8501 /* 8502 * Start timeout. 8503 */ 8504 cmd->cmd_active_expiration = 8505 gethrtime() + (hrtime_t)pkt->pkt_time * NANOSEC; 8506 #ifdef MPTSAS_TEST 8507 /* 8508 * Force timeouts to happen immediately. 8509 */ 8510 if (mptsas_test_timeouts) 8511 cmd->cmd_active_expiration = gethrtime(); 8512 #endif 8513 c = TAILQ_FIRST(&ptgt->m_active_cmdq); 8514 if (c == NULL || 8515 c->cmd_active_expiration < cmd->cmd_active_expiration) { 8516 /* 8517 * Common case is that this is the last pending expiration 8518 * (or queue is empty). Insert at head of the queue. 8519 */ 8520 TAILQ_INSERT_HEAD(&ptgt->m_active_cmdq, cmd, cmd_active_link); 8521 } else { 8522 /* 8523 * Queue is not empty and first element expires later than 8524 * this command. Search for element expiring sooner. 8525 */ 8526 while ((c = TAILQ_NEXT(c, cmd_active_link)) != NULL) { 8527 if (c->cmd_active_expiration < 8528 cmd->cmd_active_expiration) { 8529 TAILQ_INSERT_BEFORE(c, cmd, cmd_active_link); 8530 break; 8531 } 8532 } 8533 if (c == NULL) { 8534 /* 8535 * No element found expiring sooner, append to 8536 * non-empty queue. 8537 */ 8538 TAILQ_INSERT_TAIL(&ptgt->m_active_cmdq, cmd, 8539 cmd_active_link); 8540 } 8541 } 8542 8543 if ((mptsas_check_dma_handle(dma_hdl) != DDI_SUCCESS) || 8544 (mptsas_check_acc_handle(acc_hdl) != DDI_SUCCESS)) { 8545 ddi_fm_service_impact(mpt->m_dip, DDI_SERVICE_UNAFFECTED); 8546 return (DDI_FAILURE); 8547 } 8548 return (DDI_SUCCESS); 8549 } 8550 8551 /* 8552 * Select a helper thread to handle current doneq 8553 */ 8554 static void 8555 mptsas_deliver_doneq_thread(mptsas_t *mpt) 8556 { 8557 uint64_t t, i; 8558 uint32_t min = 0xffffffff; 8559 mptsas_doneq_thread_list_t *item; 8560 8561 for (i = 0; i < mpt->m_doneq_thread_n; i++) { 8562 item = &mpt->m_doneq_thread_id[i]; 8563 /* 8564 * If the completed command on help thread[i] less than 8565 * doneq_thread_threshold, then pick the thread[i]. Otherwise 8566 * pick a thread which has least completed command. 8567 */ 8568 8569 mutex_enter(&item->mutex); 8570 if (item->len < mpt->m_doneq_thread_threshold) { 8571 t = i; 8572 mutex_exit(&item->mutex); 8573 break; 8574 } 8575 if (item->len < min) { 8576 min = item->len; 8577 t = i; 8578 } 8579 mutex_exit(&item->mutex); 8580 } 8581 mutex_enter(&mpt->m_doneq_thread_id[t].mutex); 8582 mptsas_doneq_mv(mpt, t); 8583 cv_signal(&mpt->m_doneq_thread_id[t].cv); 8584 mutex_exit(&mpt->m_doneq_thread_id[t].mutex); 8585 } 8586 8587 /* 8588 * move the current global doneq to the doneq of thead[t] 8589 */ 8590 static void 8591 mptsas_doneq_mv(mptsas_t *mpt, uint64_t t) 8592 { 8593 mptsas_cmd_t *cmd; 8594 mptsas_doneq_thread_list_t *item = &mpt->m_doneq_thread_id[t]; 8595 8596 ASSERT(mutex_owned(&item->mutex)); 8597 while ((cmd = mpt->m_doneq) != NULL) { 8598 if ((mpt->m_doneq = cmd->cmd_linkp) == NULL) { 8599 mpt->m_donetail = &mpt->m_doneq; 8600 } 8601 cmd->cmd_linkp = NULL; 8602 *item->donetail = cmd; 8603 item->donetail = &cmd->cmd_linkp; 8604 mpt->m_doneq_len--; 8605 item->len++; 8606 } 8607 } 8608 8609 void 8610 mptsas_fma_check(mptsas_t *mpt, mptsas_cmd_t *cmd) 8611 { 8612 struct scsi_pkt *pkt = CMD2PKT(cmd); 8613 8614 /* Check all acc and dma handles */ 8615 if ((mptsas_check_acc_handle(mpt->m_datap) != 8616 DDI_SUCCESS) || 8617 (mptsas_check_acc_handle(mpt->m_acc_req_frame_hdl) != 8618 DDI_SUCCESS) || 8619 (mptsas_check_acc_handle(mpt->m_acc_req_sense_hdl) != 8620 DDI_SUCCESS) || 8621 (mptsas_check_acc_handle(mpt->m_acc_reply_frame_hdl) != 8622 DDI_SUCCESS) || 8623 (mptsas_check_acc_handle(mpt->m_acc_free_queue_hdl) != 8624 DDI_SUCCESS) || 8625 (mptsas_check_acc_handle(mpt->m_acc_post_queue_hdl) != 8626 DDI_SUCCESS) || 8627 (mptsas_check_acc_handle(mpt->m_hshk_acc_hdl) != 8628 DDI_SUCCESS) || 8629 (mptsas_check_acc_handle(mpt->m_config_handle) != 8630 DDI_SUCCESS)) { 8631 ddi_fm_service_impact(mpt->m_dip, 8632 DDI_SERVICE_UNAFFECTED); 8633 ddi_fm_acc_err_clear(mpt->m_config_handle, 8634 DDI_FME_VER0); 8635 pkt->pkt_reason = CMD_TRAN_ERR; 8636 pkt->pkt_statistics = 0; 8637 } 8638 if ((mptsas_check_dma_handle(mpt->m_dma_req_frame_hdl) != 8639 DDI_SUCCESS) || 8640 (mptsas_check_dma_handle(mpt->m_dma_req_sense_hdl) != 8641 DDI_SUCCESS) || 8642 (mptsas_check_dma_handle(mpt->m_dma_reply_frame_hdl) != 8643 DDI_SUCCESS) || 8644 (mptsas_check_dma_handle(mpt->m_dma_free_queue_hdl) != 8645 DDI_SUCCESS) || 8646 (mptsas_check_dma_handle(mpt->m_dma_post_queue_hdl) != 8647 DDI_SUCCESS) || 8648 (mptsas_check_dma_handle(mpt->m_hshk_dma_hdl) != 8649 DDI_SUCCESS)) { 8650 ddi_fm_service_impact(mpt->m_dip, 8651 DDI_SERVICE_UNAFFECTED); 8652 pkt->pkt_reason = CMD_TRAN_ERR; 8653 pkt->pkt_statistics = 0; 8654 } 8655 if (cmd->cmd_dmahandle && 8656 (mptsas_check_dma_handle(cmd->cmd_dmahandle) != DDI_SUCCESS)) { 8657 ddi_fm_service_impact(mpt->m_dip, DDI_SERVICE_UNAFFECTED); 8658 pkt->pkt_reason = CMD_TRAN_ERR; 8659 pkt->pkt_statistics = 0; 8660 } 8661 if ((cmd->cmd_extra_frames && 8662 ((mptsas_check_dma_handle(cmd->cmd_extra_frames->m_dma_hdl) != 8663 DDI_SUCCESS) || 8664 (mptsas_check_acc_handle(cmd->cmd_extra_frames->m_acc_hdl) != 8665 DDI_SUCCESS)))) { 8666 ddi_fm_service_impact(mpt->m_dip, DDI_SERVICE_UNAFFECTED); 8667 pkt->pkt_reason = CMD_TRAN_ERR; 8668 pkt->pkt_statistics = 0; 8669 } 8670 } 8671 8672 /* 8673 * These routines manipulate the queue of commands that 8674 * are waiting for their completion routines to be called. 8675 * The queue is usually in FIFO order but on an MP system 8676 * it's possible for the completion routines to get out 8677 * of order. If that's a problem you need to add a global 8678 * mutex around the code that calls the completion routine 8679 * in the interrupt handler. 8680 */ 8681 static void 8682 mptsas_doneq_add(mptsas_t *mpt, mptsas_cmd_t *cmd) 8683 { 8684 struct scsi_pkt *pkt = CMD2PKT(cmd); 8685 8686 NDBG31(("mptsas_doneq_add: cmd=0x%p", (void *)cmd)); 8687 8688 ASSERT((cmd->cmd_flags & CFLAG_COMPLETED) == 0); 8689 cmd->cmd_linkp = NULL; 8690 cmd->cmd_flags |= CFLAG_FINISHED; 8691 cmd->cmd_flags &= ~CFLAG_IN_TRANSPORT; 8692 8693 mptsas_fma_check(mpt, cmd); 8694 8695 /* 8696 * only add scsi pkts that have completion routines to 8697 * the doneq. no intr cmds do not have callbacks. 8698 */ 8699 if (pkt && (pkt->pkt_comp)) { 8700 *mpt->m_donetail = cmd; 8701 mpt->m_donetail = &cmd->cmd_linkp; 8702 mpt->m_doneq_len++; 8703 } 8704 } 8705 8706 static mptsas_cmd_t * 8707 mptsas_doneq_thread_rm(mptsas_t *mpt, uint64_t t) 8708 { 8709 mptsas_cmd_t *cmd; 8710 mptsas_doneq_thread_list_t *item = &mpt->m_doneq_thread_id[t]; 8711 8712 /* pop one off the done queue */ 8713 if ((cmd = item->doneq) != NULL) { 8714 /* if the queue is now empty fix the tail pointer */ 8715 NDBG31(("mptsas_doneq_thread_rm: cmd=0x%p", (void *)cmd)); 8716 if ((item->doneq = cmd->cmd_linkp) == NULL) { 8717 item->donetail = &item->doneq; 8718 } 8719 cmd->cmd_linkp = NULL; 8720 item->len--; 8721 } 8722 return (cmd); 8723 } 8724 8725 static void 8726 mptsas_doneq_empty(mptsas_t *mpt) 8727 { 8728 if (mpt->m_doneq && !mpt->m_in_callback) { 8729 mptsas_cmd_t *cmd, *next; 8730 struct scsi_pkt *pkt; 8731 8732 mpt->m_in_callback = 1; 8733 cmd = mpt->m_doneq; 8734 mpt->m_doneq = NULL; 8735 mpt->m_donetail = &mpt->m_doneq; 8736 mpt->m_doneq_len = 0; 8737 8738 mutex_exit(&mpt->m_mutex); 8739 /* 8740 * run the completion routines of all the 8741 * completed commands 8742 */ 8743 while (cmd != NULL) { 8744 next = cmd->cmd_linkp; 8745 cmd->cmd_linkp = NULL; 8746 /* run this command's completion routine */ 8747 cmd->cmd_flags |= CFLAG_COMPLETED; 8748 pkt = CMD2PKT(cmd); 8749 mptsas_pkt_comp(pkt, cmd); 8750 cmd = next; 8751 } 8752 mutex_enter(&mpt->m_mutex); 8753 mpt->m_in_callback = 0; 8754 } 8755 } 8756 8757 /* 8758 * These routines manipulate the target's queue of pending requests 8759 */ 8760 void 8761 mptsas_waitq_add(mptsas_t *mpt, mptsas_cmd_t *cmd) 8762 { 8763 NDBG7(("mptsas_waitq_add: cmd=0x%p", (void *)cmd)); 8764 mptsas_target_t *ptgt = cmd->cmd_tgt_addr; 8765 cmd->cmd_queued = TRUE; 8766 if (ptgt) 8767 ptgt->m_t_nwait++; 8768 if (cmd->cmd_pkt_flags & FLAG_HEAD) { 8769 if ((cmd->cmd_linkp = mpt->m_waitq) == NULL) { 8770 mpt->m_waitqtail = &cmd->cmd_linkp; 8771 } 8772 mpt->m_waitq = cmd; 8773 } else { 8774 cmd->cmd_linkp = NULL; 8775 *(mpt->m_waitqtail) = cmd; 8776 mpt->m_waitqtail = &cmd->cmd_linkp; 8777 } 8778 } 8779 8780 static mptsas_cmd_t * 8781 mptsas_waitq_rm(mptsas_t *mpt) 8782 { 8783 mptsas_cmd_t *cmd; 8784 mptsas_target_t *ptgt; 8785 NDBG7(("mptsas_waitq_rm")); 8786 8787 MPTSAS_WAITQ_RM(mpt, cmd); 8788 8789 NDBG7(("mptsas_waitq_rm: cmd=0x%p", (void *)cmd)); 8790 if (cmd) { 8791 ptgt = cmd->cmd_tgt_addr; 8792 if (ptgt) { 8793 ptgt->m_t_nwait--; 8794 ASSERT(ptgt->m_t_nwait >= 0); 8795 } 8796 } 8797 return (cmd); 8798 } 8799 8800 /* 8801 * remove specified cmd from the middle of the wait queue. 8802 */ 8803 static void 8804 mptsas_waitq_delete(mptsas_t *mpt, mptsas_cmd_t *cmd) 8805 { 8806 mptsas_cmd_t *prevp = mpt->m_waitq; 8807 mptsas_target_t *ptgt = cmd->cmd_tgt_addr; 8808 8809 NDBG7(("mptsas_waitq_delete: mpt=0x%p cmd=0x%p", 8810 (void *)mpt, (void *)cmd)); 8811 if (ptgt) { 8812 ptgt->m_t_nwait--; 8813 ASSERT(ptgt->m_t_nwait >= 0); 8814 } 8815 8816 if (prevp == cmd) { 8817 if ((mpt->m_waitq = cmd->cmd_linkp) == NULL) 8818 mpt->m_waitqtail = &mpt->m_waitq; 8819 8820 cmd->cmd_linkp = NULL; 8821 cmd->cmd_queued = FALSE; 8822 NDBG7(("mptsas_waitq_delete: mpt=0x%p cmd=0x%p", 8823 (void *)mpt, (void *)cmd)); 8824 return; 8825 } 8826 8827 while (prevp != NULL) { 8828 if (prevp->cmd_linkp == cmd) { 8829 if ((prevp->cmd_linkp = cmd->cmd_linkp) == NULL) 8830 mpt->m_waitqtail = &prevp->cmd_linkp; 8831 8832 cmd->cmd_linkp = NULL; 8833 cmd->cmd_queued = FALSE; 8834 NDBG7(("mptsas_waitq_delete: mpt=0x%p cmd=0x%p", 8835 (void *)mpt, (void *)cmd)); 8836 return; 8837 } 8838 prevp = prevp->cmd_linkp; 8839 } 8840 cmn_err(CE_PANIC, "mpt: mptsas_waitq_delete: queue botch"); 8841 } 8842 8843 static mptsas_cmd_t * 8844 mptsas_tx_waitq_rm(mptsas_t *mpt) 8845 { 8846 mptsas_cmd_t *cmd; 8847 NDBG7(("mptsas_tx_waitq_rm")); 8848 8849 MPTSAS_TX_WAITQ_RM(mpt, cmd); 8850 8851 NDBG7(("mptsas_tx_waitq_rm: cmd=0x%p", (void *)cmd)); 8852 8853 return (cmd); 8854 } 8855 8856 /* 8857 * remove specified cmd from the middle of the tx_waitq. 8858 */ 8859 static void 8860 mptsas_tx_waitq_delete(mptsas_t *mpt, mptsas_cmd_t *cmd) 8861 { 8862 mptsas_cmd_t *prevp = mpt->m_tx_waitq; 8863 8864 NDBG7(("mptsas_tx_waitq_delete: mpt=0x%p cmd=0x%p", 8865 (void *)mpt, (void *)cmd)); 8866 8867 if (prevp == cmd) { 8868 if ((mpt->m_tx_waitq = cmd->cmd_linkp) == NULL) 8869 mpt->m_tx_waitqtail = &mpt->m_tx_waitq; 8870 8871 cmd->cmd_linkp = NULL; 8872 cmd->cmd_queued = FALSE; 8873 NDBG7(("mptsas_tx_waitq_delete: mpt=0x%p cmd=0x%p", 8874 (void *)mpt, (void *)cmd)); 8875 return; 8876 } 8877 8878 while (prevp != NULL) { 8879 if (prevp->cmd_linkp == cmd) { 8880 if ((prevp->cmd_linkp = cmd->cmd_linkp) == NULL) 8881 mpt->m_tx_waitqtail = &prevp->cmd_linkp; 8882 8883 cmd->cmd_linkp = NULL; 8884 cmd->cmd_queued = FALSE; 8885 NDBG7(("mptsas_tx_waitq_delete: mpt=0x%p cmd=0x%p", 8886 (void *)mpt, (void *)cmd)); 8887 return; 8888 } 8889 prevp = prevp->cmd_linkp; 8890 } 8891 cmn_err(CE_PANIC, "mpt: mptsas_tx_waitq_delete: queue botch"); 8892 } 8893 8894 /* 8895 * device and bus reset handling 8896 * 8897 * Notes: 8898 * - RESET_ALL: reset the controller 8899 * - RESET_TARGET: reset the target specified in scsi_address 8900 */ 8901 static int 8902 mptsas_scsi_reset(struct scsi_address *ap, int level) 8903 { 8904 mptsas_t *mpt = ADDR2MPT(ap); 8905 int rval; 8906 mptsas_tgt_private_t *tgt_private; 8907 mptsas_target_t *ptgt = NULL; 8908 8909 tgt_private = (mptsas_tgt_private_t *)ap->a_hba_tran->tran_tgt_private; 8910 ptgt = tgt_private->t_private; 8911 if (ptgt == NULL) { 8912 return (FALSE); 8913 } 8914 NDBG22(("mptsas_scsi_reset: target=%d level=%d", ptgt->m_devhdl, 8915 level)); 8916 8917 mutex_enter(&mpt->m_mutex); 8918 /* 8919 * if we are not in panic set up a reset delay for this target 8920 */ 8921 if (!ddi_in_panic()) { 8922 mptsas_setup_bus_reset_delay(mpt); 8923 } else { 8924 drv_usecwait(mpt->m_scsi_reset_delay * 1000); 8925 } 8926 rval = mptsas_do_scsi_reset(mpt, ptgt->m_devhdl); 8927 mutex_exit(&mpt->m_mutex); 8928 8929 /* 8930 * The transport layer expect to only see TRUE and 8931 * FALSE. Therefore, we will adjust the return value 8932 * if mptsas_do_scsi_reset returns FAILED. 8933 */ 8934 if (rval == FAILED) 8935 rval = FALSE; 8936 return (rval); 8937 } 8938 8939 static int 8940 mptsas_do_scsi_reset(mptsas_t *mpt, uint16_t devhdl) 8941 { 8942 int rval = FALSE; 8943 uint8_t config, disk; 8944 8945 ASSERT(mutex_owned(&mpt->m_mutex)); 8946 8947 if (mptsas_debug_resets) { 8948 mptsas_log(mpt, CE_WARN, "mptsas_do_scsi_reset: target=%d", 8949 devhdl); 8950 } 8951 8952 /* 8953 * Issue a Target Reset message to the target specified but not to a 8954 * disk making up a raid volume. Just look through the RAID config 8955 * Phys Disk list of DevHandles. If the target's DevHandle is in this 8956 * list, then don't reset this target. 8957 */ 8958 for (config = 0; config < mpt->m_num_raid_configs; config++) { 8959 for (disk = 0; disk < MPTSAS_MAX_DISKS_IN_CONFIG; disk++) { 8960 if (devhdl == mpt->m_raidconfig[config]. 8961 m_physdisk_devhdl[disk]) { 8962 return (TRUE); 8963 } 8964 } 8965 } 8966 8967 rval = mptsas_ioc_task_management(mpt, 8968 MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, devhdl, 0, NULL, 0, 0); 8969 8970 mptsas_doneq_empty(mpt); 8971 return (rval); 8972 } 8973 8974 static int 8975 mptsas_scsi_reset_notify(struct scsi_address *ap, int flag, 8976 void (*callback)(caddr_t), caddr_t arg) 8977 { 8978 mptsas_t *mpt = ADDR2MPT(ap); 8979 8980 NDBG22(("mptsas_scsi_reset_notify: tgt=%d", ap->a_target)); 8981 8982 return (scsi_hba_reset_notify_setup(ap, flag, callback, arg, 8983 &mpt->m_mutex, &mpt->m_reset_notify_listf)); 8984 } 8985 8986 static int 8987 mptsas_get_name(struct scsi_device *sd, char *name, int len) 8988 { 8989 dev_info_t *lun_dip = NULL; 8990 8991 ASSERT(sd != NULL); 8992 ASSERT(name != NULL); 8993 lun_dip = sd->sd_dev; 8994 ASSERT(lun_dip != NULL); 8995 8996 if (mptsas_name_child(lun_dip, name, len) == DDI_SUCCESS) { 8997 return (1); 8998 } else { 8999 return (0); 9000 } 9001 } 9002 9003 static int 9004 mptsas_get_bus_addr(struct scsi_device *sd, char *name, int len) 9005 { 9006 return (mptsas_get_name(sd, name, len)); 9007 } 9008 9009 void 9010 mptsas_set_throttle(mptsas_t *mpt, mptsas_target_t *ptgt, int what) 9011 { 9012 9013 NDBG25(("mptsas_set_throttle: throttle=%x", what)); 9014 9015 /* 9016 * if the bus is draining/quiesced, no changes to the throttles 9017 * are allowed. Not allowing change of throttles during draining 9018 * limits error recovery but will reduce draining time 9019 * 9020 * all throttles should have been set to HOLD_THROTTLE 9021 */ 9022 if (mpt->m_softstate & (MPTSAS_SS_QUIESCED | MPTSAS_SS_DRAINING)) { 9023 return; 9024 } 9025 9026 if (what == HOLD_THROTTLE) { 9027 ptgt->m_t_throttle = HOLD_THROTTLE; 9028 } else if (ptgt->m_reset_delay == 0) { 9029 ptgt->m_t_throttle = what; 9030 } 9031 } 9032 9033 /* 9034 * Clean up from a device reset. 9035 * For the case of target reset, this function clears the waitq of all 9036 * commands for a particular target. For the case of abort task set, this 9037 * function clears the waitq of all commonds for a particular target/lun. 9038 */ 9039 static void 9040 mptsas_flush_target(mptsas_t *mpt, ushort_t target, int lun, uint8_t tasktype) 9041 { 9042 mptsas_slots_t *slots = mpt->m_active; 9043 mptsas_cmd_t *cmd, *next_cmd; 9044 int slot; 9045 uchar_t reason; 9046 uint_t stat; 9047 hrtime_t timestamp; 9048 9049 NDBG25(("mptsas_flush_target: target=%d lun=%d", target, lun)); 9050 9051 timestamp = gethrtime(); 9052 9053 /* 9054 * Make sure the I/O Controller has flushed all cmds 9055 * that are associated with this target for a target reset 9056 * and target/lun for abort task set. 9057 * Account for TM requests, which use the last SMID. 9058 */ 9059 for (slot = 0; slot <= mpt->m_active->m_n_normal; slot++) { 9060 if ((cmd = slots->m_slot[slot]) == NULL) 9061 continue; 9062 reason = CMD_RESET; 9063 stat = STAT_DEV_RESET; 9064 switch (tasktype) { 9065 case MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET: 9066 if (Tgt(cmd) == target) { 9067 if (cmd->cmd_active_expiration <= timestamp) { 9068 /* 9069 * When timeout requested, propagate 9070 * proper reason and statistics to 9071 * target drivers. 9072 */ 9073 reason = CMD_TIMEOUT; 9074 stat |= STAT_TIMEOUT; 9075 } 9076 NDBG25(("mptsas_flush_target discovered non-" 9077 "NULL cmd in slot %d, tasktype 0x%x", slot, 9078 tasktype)); 9079 mptsas_dump_cmd(mpt, cmd); 9080 mptsas_remove_cmd(mpt, cmd); 9081 mptsas_set_pkt_reason(mpt, cmd, reason, stat); 9082 mptsas_doneq_add(mpt, cmd); 9083 } 9084 break; 9085 case MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET: 9086 reason = CMD_ABORTED; 9087 stat = STAT_ABORTED; 9088 /*FALLTHROUGH*/ 9089 case MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET: 9090 if ((Tgt(cmd) == target) && (Lun(cmd) == lun)) { 9091 9092 NDBG25(("mptsas_flush_target discovered non-" 9093 "NULL cmd in slot %d, tasktype 0x%x", slot, 9094 tasktype)); 9095 mptsas_dump_cmd(mpt, cmd); 9096 mptsas_remove_cmd(mpt, cmd); 9097 mptsas_set_pkt_reason(mpt, cmd, reason, 9098 stat); 9099 mptsas_doneq_add(mpt, cmd); 9100 } 9101 break; 9102 default: 9103 break; 9104 } 9105 } 9106 9107 /* 9108 * Flush the waitq and tx_waitq of this target's cmds 9109 */ 9110 cmd = mpt->m_waitq; 9111 9112 reason = CMD_RESET; 9113 stat = STAT_DEV_RESET; 9114 9115 switch (tasktype) { 9116 case MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET: 9117 while (cmd != NULL) { 9118 next_cmd = cmd->cmd_linkp; 9119 if (Tgt(cmd) == target) { 9120 mptsas_waitq_delete(mpt, cmd); 9121 mptsas_set_pkt_reason(mpt, cmd, 9122 reason, stat); 9123 mptsas_doneq_add(mpt, cmd); 9124 } 9125 cmd = next_cmd; 9126 } 9127 mutex_enter(&mpt->m_tx_waitq_mutex); 9128 cmd = mpt->m_tx_waitq; 9129 while (cmd != NULL) { 9130 next_cmd = cmd->cmd_linkp; 9131 if (Tgt(cmd) == target) { 9132 mptsas_tx_waitq_delete(mpt, cmd); 9133 mutex_exit(&mpt->m_tx_waitq_mutex); 9134 mptsas_set_pkt_reason(mpt, cmd, 9135 reason, stat); 9136 mptsas_doneq_add(mpt, cmd); 9137 mutex_enter(&mpt->m_tx_waitq_mutex); 9138 } 9139 cmd = next_cmd; 9140 } 9141 mutex_exit(&mpt->m_tx_waitq_mutex); 9142 break; 9143 case MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET: 9144 reason = CMD_ABORTED; 9145 stat = STAT_ABORTED; 9146 /*FALLTHROUGH*/ 9147 case MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET: 9148 while (cmd != NULL) { 9149 next_cmd = cmd->cmd_linkp; 9150 if ((Tgt(cmd) == target) && (Lun(cmd) == lun)) { 9151 mptsas_waitq_delete(mpt, cmd); 9152 mptsas_set_pkt_reason(mpt, cmd, 9153 reason, stat); 9154 mptsas_doneq_add(mpt, cmd); 9155 } 9156 cmd = next_cmd; 9157 } 9158 mutex_enter(&mpt->m_tx_waitq_mutex); 9159 cmd = mpt->m_tx_waitq; 9160 while (cmd != NULL) { 9161 next_cmd = cmd->cmd_linkp; 9162 if ((Tgt(cmd) == target) && (Lun(cmd) == lun)) { 9163 mptsas_tx_waitq_delete(mpt, cmd); 9164 mutex_exit(&mpt->m_tx_waitq_mutex); 9165 mptsas_set_pkt_reason(mpt, cmd, 9166 reason, stat); 9167 mptsas_doneq_add(mpt, cmd); 9168 mutex_enter(&mpt->m_tx_waitq_mutex); 9169 } 9170 cmd = next_cmd; 9171 } 9172 mutex_exit(&mpt->m_tx_waitq_mutex); 9173 break; 9174 default: 9175 mptsas_log(mpt, CE_WARN, "Unknown task management type %d.", 9176 tasktype); 9177 break; 9178 } 9179 } 9180 9181 /* 9182 * Clean up hba state, abort all outstanding command and commands in waitq 9183 * reset timeout of all targets. 9184 */ 9185 static void 9186 mptsas_flush_hba(mptsas_t *mpt) 9187 { 9188 mptsas_slots_t *slots = mpt->m_active; 9189 mptsas_cmd_t *cmd; 9190 int slot; 9191 9192 NDBG25(("mptsas_flush_hba")); 9193 9194 /* 9195 * The I/O Controller should have already sent back 9196 * all commands via the scsi I/O reply frame. Make 9197 * sure all commands have been flushed. 9198 * Account for TM request, which use the last SMID. 9199 */ 9200 for (slot = 0; slot <= mpt->m_active->m_n_normal; slot++) { 9201 if ((cmd = slots->m_slot[slot]) == NULL) 9202 continue; 9203 9204 if (cmd->cmd_flags & CFLAG_CMDIOC) { 9205 /* 9206 * Need to make sure to tell everyone that might be 9207 * waiting on this command that it's going to fail. If 9208 * we get here, this command will never timeout because 9209 * the active command table is going to be re-allocated, 9210 * so there will be nothing to check against a time out. 9211 * Instead, mark the command as failed due to reset. 9212 */ 9213 mptsas_set_pkt_reason(mpt, cmd, CMD_RESET, 9214 STAT_BUS_RESET); 9215 if ((cmd->cmd_flags & 9216 (CFLAG_PASSTHRU | CFLAG_CONFIG | CFLAG_FW_DIAG))) { 9217 cmd->cmd_flags |= CFLAG_FINISHED; 9218 cv_broadcast(&mpt->m_passthru_cv); 9219 cv_broadcast(&mpt->m_config_cv); 9220 cv_broadcast(&mpt->m_fw_diag_cv); 9221 } 9222 continue; 9223 } 9224 9225 NDBG25(("mptsas_flush_hba discovered non-NULL cmd in slot %d", 9226 slot)); 9227 mptsas_dump_cmd(mpt, cmd); 9228 9229 mptsas_remove_cmd(mpt, cmd); 9230 mptsas_set_pkt_reason(mpt, cmd, CMD_RESET, STAT_BUS_RESET); 9231 mptsas_doneq_add(mpt, cmd); 9232 } 9233 9234 /* 9235 * Flush the waitq. 9236 */ 9237 while ((cmd = mptsas_waitq_rm(mpt)) != NULL) { 9238 mptsas_set_pkt_reason(mpt, cmd, CMD_RESET, STAT_BUS_RESET); 9239 if ((cmd->cmd_flags & CFLAG_PASSTHRU) || 9240 (cmd->cmd_flags & CFLAG_CONFIG) || 9241 (cmd->cmd_flags & CFLAG_FW_DIAG)) { 9242 cmd->cmd_flags |= CFLAG_FINISHED; 9243 cv_broadcast(&mpt->m_passthru_cv); 9244 cv_broadcast(&mpt->m_config_cv); 9245 cv_broadcast(&mpt->m_fw_diag_cv); 9246 } else { 9247 mptsas_doneq_add(mpt, cmd); 9248 } 9249 } 9250 9251 /* 9252 * Flush the tx_waitq 9253 */ 9254 mutex_enter(&mpt->m_tx_waitq_mutex); 9255 while ((cmd = mptsas_tx_waitq_rm(mpt)) != NULL) { 9256 mutex_exit(&mpt->m_tx_waitq_mutex); 9257 mptsas_set_pkt_reason(mpt, cmd, CMD_RESET, STAT_BUS_RESET); 9258 mptsas_doneq_add(mpt, cmd); 9259 mutex_enter(&mpt->m_tx_waitq_mutex); 9260 } 9261 mutex_exit(&mpt->m_tx_waitq_mutex); 9262 9263 /* 9264 * Drain the taskqs prior to reallocating resources. 9265 */ 9266 mutex_exit(&mpt->m_mutex); 9267 ddi_taskq_wait(mpt->m_event_taskq); 9268 ddi_taskq_wait(mpt->m_dr_taskq); 9269 mutex_enter(&mpt->m_mutex); 9270 } 9271 9272 /* 9273 * set pkt_reason and OR in pkt_statistics flag 9274 */ 9275 static void 9276 mptsas_set_pkt_reason(mptsas_t *mpt, mptsas_cmd_t *cmd, uchar_t reason, 9277 uint_t stat) 9278 { 9279 #ifndef __lock_lint 9280 _NOTE(ARGUNUSED(mpt)) 9281 #endif 9282 9283 NDBG25(("mptsas_set_pkt_reason: cmd=0x%p reason=%x stat=%x", 9284 (void *)cmd, reason, stat)); 9285 9286 if (cmd) { 9287 if (cmd->cmd_pkt->pkt_reason == CMD_CMPLT) { 9288 cmd->cmd_pkt->pkt_reason = reason; 9289 } 9290 cmd->cmd_pkt->pkt_statistics |= stat; 9291 } 9292 } 9293 9294 static void 9295 mptsas_start_watch_reset_delay() 9296 { 9297 NDBG22(("mptsas_start_watch_reset_delay")); 9298 9299 mutex_enter(&mptsas_global_mutex); 9300 if (mptsas_reset_watch == NULL && mptsas_timeouts_enabled) { 9301 mptsas_reset_watch = timeout(mptsas_watch_reset_delay, NULL, 9302 drv_usectohz((clock_t) 9303 MPTSAS_WATCH_RESET_DELAY_TICK * 1000)); 9304 ASSERT(mptsas_reset_watch != NULL); 9305 } 9306 mutex_exit(&mptsas_global_mutex); 9307 } 9308 9309 static void 9310 mptsas_setup_bus_reset_delay(mptsas_t *mpt) 9311 { 9312 mptsas_target_t *ptgt = NULL; 9313 9314 ASSERT(MUTEX_HELD(&mpt->m_mutex)); 9315 9316 NDBG22(("mptsas_setup_bus_reset_delay")); 9317 for (ptgt = refhash_first(mpt->m_targets); ptgt != NULL; 9318 ptgt = refhash_next(mpt->m_targets, ptgt)) { 9319 mptsas_set_throttle(mpt, ptgt, HOLD_THROTTLE); 9320 ptgt->m_reset_delay = mpt->m_scsi_reset_delay; 9321 } 9322 9323 mptsas_start_watch_reset_delay(); 9324 } 9325 9326 /* 9327 * mptsas_watch_reset_delay(_subr) is invoked by timeout() and checks every 9328 * mpt instance for active reset delays 9329 */ 9330 static void 9331 mptsas_watch_reset_delay(void *arg) 9332 { 9333 #ifndef __lock_lint 9334 _NOTE(ARGUNUSED(arg)) 9335 #endif 9336 9337 mptsas_t *mpt; 9338 int not_done = 0; 9339 9340 NDBG22(("mptsas_watch_reset_delay")); 9341 9342 mutex_enter(&mptsas_global_mutex); 9343 mptsas_reset_watch = 0; 9344 mutex_exit(&mptsas_global_mutex); 9345 rw_enter(&mptsas_global_rwlock, RW_READER); 9346 for (mpt = mptsas_head; mpt != NULL; mpt = mpt->m_next) { 9347 if (mpt->m_tran == 0) { 9348 continue; 9349 } 9350 mutex_enter(&mpt->m_mutex); 9351 not_done += mptsas_watch_reset_delay_subr(mpt); 9352 mutex_exit(&mpt->m_mutex); 9353 } 9354 rw_exit(&mptsas_global_rwlock); 9355 9356 if (not_done) { 9357 mptsas_start_watch_reset_delay(); 9358 } 9359 } 9360 9361 static int 9362 mptsas_watch_reset_delay_subr(mptsas_t *mpt) 9363 { 9364 int done = 0; 9365 int restart = 0; 9366 mptsas_target_t *ptgt = NULL; 9367 9368 NDBG22(("mptsas_watch_reset_delay_subr: mpt=0x%p", (void *)mpt)); 9369 9370 ASSERT(mutex_owned(&mpt->m_mutex)); 9371 9372 for (ptgt = refhash_first(mpt->m_targets); ptgt != NULL; 9373 ptgt = refhash_next(mpt->m_targets, ptgt)) { 9374 if (ptgt->m_reset_delay != 0) { 9375 ptgt->m_reset_delay -= 9376 MPTSAS_WATCH_RESET_DELAY_TICK; 9377 if (ptgt->m_reset_delay <= 0) { 9378 ptgt->m_reset_delay = 0; 9379 mptsas_set_throttle(mpt, ptgt, 9380 MAX_THROTTLE); 9381 restart++; 9382 } else { 9383 done = -1; 9384 } 9385 } 9386 } 9387 9388 if (restart > 0) { 9389 mptsas_restart_hba(mpt); 9390 } 9391 return (done); 9392 } 9393 9394 #ifdef MPTSAS_TEST 9395 static void 9396 mptsas_test_reset(mptsas_t *mpt, int target) 9397 { 9398 mptsas_target_t *ptgt = NULL; 9399 9400 if (mptsas_rtest == target) { 9401 if (mptsas_do_scsi_reset(mpt, target) == TRUE) { 9402 mptsas_rtest = -1; 9403 } 9404 if (mptsas_rtest == -1) { 9405 NDBG22(("mptsas_test_reset success")); 9406 } 9407 } 9408 } 9409 #endif 9410 9411 /* 9412 * abort handling: 9413 * 9414 * Notes: 9415 * - if pkt is not NULL, abort just that command 9416 * - if pkt is NULL, abort all outstanding commands for target 9417 */ 9418 static int 9419 mptsas_scsi_abort(struct scsi_address *ap, struct scsi_pkt *pkt) 9420 { 9421 mptsas_t *mpt = ADDR2MPT(ap); 9422 int rval; 9423 mptsas_tgt_private_t *tgt_private; 9424 int target, lun; 9425 9426 tgt_private = (mptsas_tgt_private_t *)ap->a_hba_tran-> 9427 tran_tgt_private; 9428 ASSERT(tgt_private != NULL); 9429 target = tgt_private->t_private->m_devhdl; 9430 lun = tgt_private->t_lun; 9431 9432 NDBG23(("mptsas_scsi_abort: target=%d.%d", target, lun)); 9433 9434 mutex_enter(&mpt->m_mutex); 9435 rval = mptsas_do_scsi_abort(mpt, target, lun, pkt); 9436 mutex_exit(&mpt->m_mutex); 9437 return (rval); 9438 } 9439 9440 static int 9441 mptsas_do_scsi_abort(mptsas_t *mpt, int target, int lun, struct scsi_pkt *pkt) 9442 { 9443 mptsas_cmd_t *sp = NULL; 9444 mptsas_slots_t *slots = mpt->m_active; 9445 int rval = FALSE; 9446 9447 ASSERT(mutex_owned(&mpt->m_mutex)); 9448 9449 /* 9450 * Abort the command pkt on the target/lun in ap. If pkt is 9451 * NULL, abort all outstanding commands on that target/lun. 9452 * If you can abort them, return 1, else return 0. 9453 * Each packet that's aborted should be sent back to the target 9454 * driver through the callback routine, with pkt_reason set to 9455 * CMD_ABORTED. 9456 * 9457 * abort cmd pkt on HBA hardware; clean out of outstanding 9458 * command lists, etc. 9459 */ 9460 if (pkt != NULL) { 9461 /* abort the specified packet */ 9462 sp = PKT2CMD(pkt); 9463 9464 if (sp->cmd_queued) { 9465 NDBG23(("mptsas_do_scsi_abort: queued sp=0x%p aborted", 9466 (void *)sp)); 9467 mptsas_waitq_delete(mpt, sp); 9468 mptsas_set_pkt_reason(mpt, sp, CMD_ABORTED, 9469 STAT_ABORTED); 9470 mptsas_doneq_add(mpt, sp); 9471 rval = TRUE; 9472 goto done; 9473 } 9474 9475 /* 9476 * Have mpt firmware abort this command 9477 */ 9478 9479 if (slots->m_slot[sp->cmd_slot] != NULL) { 9480 rval = mptsas_ioc_task_management(mpt, 9481 MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, target, 9482 lun, NULL, 0, 0); 9483 9484 /* 9485 * The transport layer expects only TRUE and FALSE. 9486 * Therefore, if mptsas_ioc_task_management returns 9487 * FAILED we will return FALSE. 9488 */ 9489 if (rval == FAILED) 9490 rval = FALSE; 9491 goto done; 9492 } 9493 } 9494 9495 /* 9496 * If pkt is NULL then abort task set 9497 */ 9498 rval = mptsas_ioc_task_management(mpt, 9499 MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET, target, lun, NULL, 0, 0); 9500 9501 /* 9502 * The transport layer expects only TRUE and FALSE. 9503 * Therefore, if mptsas_ioc_task_management returns 9504 * FAILED we will return FALSE. 9505 */ 9506 if (rval == FAILED) 9507 rval = FALSE; 9508 9509 #ifdef MPTSAS_TEST 9510 if (rval && mptsas_test_stop) { 9511 debug_enter("mptsas_do_scsi_abort"); 9512 } 9513 #endif 9514 9515 done: 9516 mptsas_doneq_empty(mpt); 9517 return (rval); 9518 } 9519 9520 /* 9521 * capability handling: 9522 * (*tran_getcap). Get the capability named, and return its value. 9523 */ 9524 static int 9525 mptsas_scsi_getcap(struct scsi_address *ap, char *cap, int tgtonly) 9526 { 9527 mptsas_t *mpt = ADDR2MPT(ap); 9528 int ckey; 9529 int rval = FALSE; 9530 9531 NDBG24(("mptsas_scsi_getcap: target=%d, cap=%s tgtonly=%x", 9532 ap->a_target, cap, tgtonly)); 9533 9534 mutex_enter(&mpt->m_mutex); 9535 9536 if ((mptsas_scsi_capchk(cap, tgtonly, &ckey)) != TRUE) { 9537 mutex_exit(&mpt->m_mutex); 9538 return (UNDEFINED); 9539 } 9540 9541 switch (ckey) { 9542 case SCSI_CAP_DMA_MAX: 9543 rval = (int)mpt->m_msg_dma_attr.dma_attr_maxxfer; 9544 break; 9545 case SCSI_CAP_ARQ: 9546 rval = TRUE; 9547 break; 9548 case SCSI_CAP_MSG_OUT: 9549 case SCSI_CAP_PARITY: 9550 case SCSI_CAP_UNTAGGED_QING: 9551 rval = TRUE; 9552 break; 9553 case SCSI_CAP_TAGGED_QING: 9554 rval = TRUE; 9555 break; 9556 case SCSI_CAP_RESET_NOTIFICATION: 9557 rval = TRUE; 9558 break; 9559 case SCSI_CAP_LINKED_CMDS: 9560 rval = FALSE; 9561 break; 9562 case SCSI_CAP_QFULL_RETRIES: 9563 rval = ((mptsas_tgt_private_t *)(ap->a_hba_tran-> 9564 tran_tgt_private))->t_private->m_qfull_retries; 9565 break; 9566 case SCSI_CAP_QFULL_RETRY_INTERVAL: 9567 rval = drv_hztousec(((mptsas_tgt_private_t *) 9568 (ap->a_hba_tran->tran_tgt_private))-> 9569 t_private->m_qfull_retry_interval) / 1000; 9570 break; 9571 case SCSI_CAP_CDB_LEN: 9572 rval = CDB_GROUP4; 9573 break; 9574 case SCSI_CAP_INTERCONNECT_TYPE: 9575 rval = INTERCONNECT_SAS; 9576 break; 9577 case SCSI_CAP_TRAN_LAYER_RETRIES: 9578 if (mpt->m_ioc_capabilities & 9579 MPI2_IOCFACTS_CAPABILITY_TLR) 9580 rval = TRUE; 9581 else 9582 rval = FALSE; 9583 break; 9584 default: 9585 rval = UNDEFINED; 9586 break; 9587 } 9588 9589 NDBG24(("mptsas_scsi_getcap: %s, rval=%x", cap, rval)); 9590 9591 mutex_exit(&mpt->m_mutex); 9592 return (rval); 9593 } 9594 9595 /* 9596 * (*tran_setcap). Set the capability named to the value given. 9597 */ 9598 static int 9599 mptsas_scsi_setcap(struct scsi_address *ap, char *cap, int value, int tgtonly) 9600 { 9601 mptsas_t *mpt = ADDR2MPT(ap); 9602 int ckey; 9603 int rval = FALSE; 9604 9605 NDBG24(("mptsas_scsi_setcap: target=%d, cap=%s value=%x tgtonly=%x", 9606 ap->a_target, cap, value, tgtonly)); 9607 9608 if (!tgtonly) { 9609 return (rval); 9610 } 9611 9612 mutex_enter(&mpt->m_mutex); 9613 9614 if ((mptsas_scsi_capchk(cap, tgtonly, &ckey)) != TRUE) { 9615 mutex_exit(&mpt->m_mutex); 9616 return (UNDEFINED); 9617 } 9618 9619 switch (ckey) { 9620 case SCSI_CAP_DMA_MAX: 9621 case SCSI_CAP_MSG_OUT: 9622 case SCSI_CAP_PARITY: 9623 case SCSI_CAP_INITIATOR_ID: 9624 case SCSI_CAP_LINKED_CMDS: 9625 case SCSI_CAP_UNTAGGED_QING: 9626 case SCSI_CAP_RESET_NOTIFICATION: 9627 /* 9628 * None of these are settable via 9629 * the capability interface. 9630 */ 9631 break; 9632 case SCSI_CAP_ARQ: 9633 /* 9634 * We cannot turn off arq so return false if asked to 9635 */ 9636 if (value) { 9637 rval = TRUE; 9638 } else { 9639 rval = FALSE; 9640 } 9641 break; 9642 case SCSI_CAP_TAGGED_QING: 9643 mptsas_set_throttle(mpt, ((mptsas_tgt_private_t *) 9644 (ap->a_hba_tran->tran_tgt_private))->t_private, 9645 MAX_THROTTLE); 9646 rval = TRUE; 9647 break; 9648 case SCSI_CAP_QFULL_RETRIES: 9649 ((mptsas_tgt_private_t *)(ap->a_hba_tran->tran_tgt_private))-> 9650 t_private->m_qfull_retries = (uchar_t)value; 9651 rval = TRUE; 9652 break; 9653 case SCSI_CAP_QFULL_RETRY_INTERVAL: 9654 ((mptsas_tgt_private_t *)(ap->a_hba_tran->tran_tgt_private))-> 9655 t_private->m_qfull_retry_interval = 9656 drv_usectohz(value * 1000); 9657 rval = TRUE; 9658 break; 9659 default: 9660 rval = UNDEFINED; 9661 break; 9662 } 9663 mutex_exit(&mpt->m_mutex); 9664 return (rval); 9665 } 9666 9667 /* 9668 * Utility routine for mptsas_ifsetcap/ifgetcap 9669 */ 9670 /*ARGSUSED*/ 9671 static int 9672 mptsas_scsi_capchk(char *cap, int tgtonly, int *cidxp) 9673 { 9674 NDBG24(("mptsas_scsi_capchk: cap=%s", cap)); 9675 9676 if (!cap) 9677 return (FALSE); 9678 9679 *cidxp = scsi_hba_lookup_capstr(cap); 9680 return (TRUE); 9681 } 9682 9683 static int 9684 mptsas_alloc_active_slots(mptsas_t *mpt, int flag) 9685 { 9686 mptsas_slots_t *old_active = mpt->m_active; 9687 mptsas_slots_t *new_active; 9688 size_t size; 9689 9690 /* 9691 * if there are active commands, then we cannot 9692 * change size of active slots array. 9693 */ 9694 ASSERT(mpt->m_ncmds == 0); 9695 9696 size = MPTSAS_SLOTS_SIZE(mpt); 9697 new_active = kmem_zalloc(size, flag); 9698 if (new_active == NULL) { 9699 NDBG1(("new active alloc failed")); 9700 return (-1); 9701 } 9702 /* 9703 * Since SMID 0 is reserved and the TM slot is reserved, the 9704 * number of slots that can be used at any one time is 9705 * m_max_requests - 2. 9706 */ 9707 new_active->m_n_normal = (mpt->m_max_requests - 2); 9708 new_active->m_size = size; 9709 new_active->m_rotor = 1; 9710 if (old_active) 9711 mptsas_free_active_slots(mpt); 9712 mpt->m_active = new_active; 9713 9714 return (0); 9715 } 9716 9717 static void 9718 mptsas_free_active_slots(mptsas_t *mpt) 9719 { 9720 mptsas_slots_t *active = mpt->m_active; 9721 size_t size; 9722 9723 if (active == NULL) 9724 return; 9725 size = active->m_size; 9726 kmem_free(active, size); 9727 mpt->m_active = NULL; 9728 } 9729 9730 /* 9731 * Error logging, printing, and debug print routines. 9732 */ 9733 static char *mptsas_label = "mpt_sas"; 9734 9735 /*PRINTFLIKE3*/ 9736 void 9737 mptsas_log(mptsas_t *mpt, int level, char *fmt, ...) 9738 { 9739 dev_info_t *dev; 9740 va_list ap; 9741 9742 if (mpt) { 9743 dev = mpt->m_dip; 9744 } else { 9745 dev = 0; 9746 } 9747 9748 mutex_enter(&mptsas_log_mutex); 9749 9750 va_start(ap, fmt); 9751 (void) vsprintf(mptsas_log_buf, fmt, ap); 9752 va_end(ap); 9753 9754 if (level == CE_CONT) { 9755 scsi_log(dev, mptsas_label, level, "%s\n", mptsas_log_buf); 9756 } else { 9757 scsi_log(dev, mptsas_label, level, "%s", mptsas_log_buf); 9758 } 9759 9760 mutex_exit(&mptsas_log_mutex); 9761 } 9762 9763 #ifdef MPTSAS_DEBUG 9764 /* 9765 * Use a circular buffer to log messages to private memory. 9766 * Increment idx atomically to minimize risk to miss lines. 9767 * It's fast and does not hold up the proceedings too much. 9768 */ 9769 static const size_t mptsas_dbglog_linecnt = MPTSAS_DBGLOG_LINECNT; 9770 static const size_t mptsas_dbglog_linelen = MPTSAS_DBGLOG_LINELEN; 9771 static char mptsas_dbglog_bufs[MPTSAS_DBGLOG_LINECNT][MPTSAS_DBGLOG_LINELEN]; 9772 static uint32_t mptsas_dbglog_idx = 0; 9773 9774 /*PRINTFLIKE1*/ 9775 void 9776 mptsas_debug_log(char *fmt, ...) 9777 { 9778 va_list ap; 9779 uint32_t idx; 9780 9781 idx = atomic_inc_32_nv(&mptsas_dbglog_idx) & 9782 (mptsas_dbglog_linecnt - 1); 9783 9784 va_start(ap, fmt); 9785 (void) vsnprintf(mptsas_dbglog_bufs[idx], 9786 mptsas_dbglog_linelen, fmt, ap); 9787 va_end(ap); 9788 } 9789 9790 /*PRINTFLIKE1*/ 9791 void 9792 mptsas_printf(char *fmt, ...) 9793 { 9794 dev_info_t *dev = 0; 9795 va_list ap; 9796 9797 mutex_enter(&mptsas_log_mutex); 9798 9799 va_start(ap, fmt); 9800 (void) vsprintf(mptsas_log_buf, fmt, ap); 9801 va_end(ap); 9802 9803 #ifdef PROM_PRINTF 9804 prom_printf("%s:\t%s\n", mptsas_label, mptsas_log_buf); 9805 #else 9806 scsi_log(dev, mptsas_label, CE_CONT, "!%s\n", mptsas_log_buf); 9807 #endif 9808 mutex_exit(&mptsas_log_mutex); 9809 } 9810 #endif 9811 9812 /* 9813 * timeout handling 9814 */ 9815 static void 9816 mptsas_watch(void *arg) 9817 { 9818 #ifndef __lock_lint 9819 _NOTE(ARGUNUSED(arg)) 9820 #endif 9821 9822 mptsas_t *mpt; 9823 uint32_t doorbell; 9824 9825 NDBG30(("mptsas_watch")); 9826 9827 rw_enter(&mptsas_global_rwlock, RW_READER); 9828 for (mpt = mptsas_head; mpt != (mptsas_t *)NULL; mpt = mpt->m_next) { 9829 9830 mutex_enter(&mpt->m_mutex); 9831 9832 /* Skip device if not powered on */ 9833 if (mpt->m_options & MPTSAS_OPT_PM) { 9834 if (mpt->m_power_level == PM_LEVEL_D0) { 9835 (void) pm_busy_component(mpt->m_dip, 0); 9836 mpt->m_busy = 1; 9837 } else { 9838 mutex_exit(&mpt->m_mutex); 9839 continue; 9840 } 9841 } 9842 9843 /* 9844 * Check if controller is in a FAULT state. If so, reset it. 9845 */ 9846 doorbell = ddi_get32(mpt->m_datap, &mpt->m_reg->Doorbell); 9847 if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) { 9848 doorbell &= MPI2_DOORBELL_DATA_MASK; 9849 mptsas_log(mpt, CE_WARN, "MPT Firmware Fault, " 9850 "code: %04x", doorbell); 9851 mpt->m_softstate &= ~MPTSAS_SS_MSG_UNIT_RESET; 9852 if ((mptsas_restart_ioc(mpt)) == DDI_FAILURE) { 9853 mptsas_log(mpt, CE_WARN, "Reset failed" 9854 "after fault was detected"); 9855 } 9856 } 9857 9858 /* 9859 * For now, always call mptsas_watchsubr. 9860 */ 9861 mptsas_watchsubr(mpt); 9862 9863 if (mpt->m_options & MPTSAS_OPT_PM) { 9864 mpt->m_busy = 0; 9865 (void) pm_idle_component(mpt->m_dip, 0); 9866 } 9867 9868 mutex_exit(&mpt->m_mutex); 9869 } 9870 rw_exit(&mptsas_global_rwlock); 9871 9872 mutex_enter(&mptsas_global_mutex); 9873 if (mptsas_timeouts_enabled) 9874 mptsas_timeout_id = timeout(mptsas_watch, NULL, mptsas_tick); 9875 mutex_exit(&mptsas_global_mutex); 9876 } 9877 9878 static void 9879 mptsas_watchsubr(mptsas_t *mpt) 9880 { 9881 int i; 9882 mptsas_cmd_t *cmd; 9883 mptsas_target_t *ptgt = NULL; 9884 hrtime_t timestamp = gethrtime(); 9885 9886 ASSERT(MUTEX_HELD(&mpt->m_mutex)); 9887 9888 NDBG30(("mptsas_watchsubr: mpt=0x%p", (void *)mpt)); 9889 9890 #ifdef MPTSAS_TEST 9891 if (mptsas_enable_untagged) { 9892 mptsas_test_untagged++; 9893 } 9894 #endif 9895 9896 /* 9897 * Check for commands stuck in active slot 9898 * Account for TM requests, which use the last SMID. 9899 */ 9900 for (i = 0; i <= mpt->m_active->m_n_normal; i++) { 9901 if ((cmd = mpt->m_active->m_slot[i]) != NULL) { 9902 if (cmd->cmd_active_expiration <= timestamp) { 9903 if ((cmd->cmd_flags & CFLAG_CMDIOC) == 0) { 9904 /* 9905 * There seems to be a command stuck 9906 * in the active slot. Drain throttle. 9907 */ 9908 mptsas_set_throttle(mpt, 9909 cmd->cmd_tgt_addr, 9910 DRAIN_THROTTLE); 9911 } else if (cmd->cmd_flags & 9912 (CFLAG_PASSTHRU | CFLAG_CONFIG | 9913 CFLAG_FW_DIAG)) { 9914 /* 9915 * passthrough command timeout 9916 */ 9917 cmd->cmd_flags |= (CFLAG_FINISHED | 9918 CFLAG_TIMEOUT); 9919 cv_broadcast(&mpt->m_passthru_cv); 9920 cv_broadcast(&mpt->m_config_cv); 9921 cv_broadcast(&mpt->m_fw_diag_cv); 9922 } 9923 } 9924 } 9925 } 9926 9927 for (ptgt = refhash_first(mpt->m_targets); ptgt != NULL; 9928 ptgt = refhash_next(mpt->m_targets, ptgt)) { 9929 /* 9930 * If we were draining due to a qfull condition, 9931 * go back to full throttle. 9932 */ 9933 if ((ptgt->m_t_throttle < MAX_THROTTLE) && 9934 (ptgt->m_t_throttle > HOLD_THROTTLE) && 9935 (ptgt->m_t_ncmds < ptgt->m_t_throttle)) { 9936 mptsas_set_throttle(mpt, ptgt, MAX_THROTTLE); 9937 mptsas_restart_hba(mpt); 9938 } 9939 9940 cmd = TAILQ_LAST(&ptgt->m_active_cmdq, mptsas_active_cmdq); 9941 if (cmd == NULL) 9942 continue; 9943 9944 if (cmd->cmd_active_expiration <= timestamp) { 9945 /* 9946 * Earliest command timeout expired. Drain throttle. 9947 */ 9948 mptsas_set_throttle(mpt, ptgt, DRAIN_THROTTLE); 9949 9950 /* 9951 * Check for remaining commands. 9952 */ 9953 cmd = TAILQ_FIRST(&ptgt->m_active_cmdq); 9954 if (cmd->cmd_active_expiration > timestamp) { 9955 /* 9956 * Wait for remaining commands to complete or 9957 * time out. 9958 */ 9959 NDBG23(("command timed out, pending drain")); 9960 continue; 9961 } 9962 9963 /* 9964 * All command timeouts expired. 9965 */ 9966 mptsas_log(mpt, CE_NOTE, "Timeout of %d seconds " 9967 "expired with %d commands on target %d lun %d.", 9968 cmd->cmd_pkt->pkt_time, ptgt->m_t_ncmds, 9969 ptgt->m_devhdl, Lun(cmd)); 9970 9971 mptsas_cmd_timeout(mpt, ptgt); 9972 } else if (cmd->cmd_active_expiration <= 9973 timestamp + (hrtime_t)mptsas_scsi_watchdog_tick * NANOSEC) { 9974 NDBG23(("pending timeout")); 9975 mptsas_set_throttle(mpt, ptgt, DRAIN_THROTTLE); 9976 } 9977 } 9978 } 9979 9980 /* 9981 * timeout recovery 9982 */ 9983 static void 9984 mptsas_cmd_timeout(mptsas_t *mpt, mptsas_target_t *ptgt) 9985 { 9986 uint16_t devhdl; 9987 uint64_t sas_wwn; 9988 uint8_t phy; 9989 char wwn_str[MPTSAS_WWN_STRLEN]; 9990 9991 devhdl = ptgt->m_devhdl; 9992 sas_wwn = ptgt->m_addr.mta_wwn; 9993 phy = ptgt->m_phynum; 9994 if (sas_wwn == 0) { 9995 (void) sprintf(wwn_str, "p%x", phy); 9996 } else { 9997 (void) sprintf(wwn_str, "w%016"PRIx64, sas_wwn); 9998 } 9999 10000 NDBG29(("mptsas_cmd_timeout: target=%d", devhdl)); 10001 mptsas_log(mpt, CE_WARN, "Disconnected command timeout for " 10002 "target %d %s, enclosure %u", devhdl, wwn_str, 10003 ptgt->m_enclosure); 10004 10005 /* 10006 * Abort all outstanding commands on the device. 10007 */ 10008 NDBG29(("mptsas_cmd_timeout: device reset")); 10009 if (mptsas_do_scsi_reset(mpt, devhdl) != TRUE) { 10010 mptsas_log(mpt, CE_WARN, "Target %d reset for command timeout " 10011 "recovery failed!", devhdl); 10012 } 10013 } 10014 10015 /* 10016 * Device / Hotplug control 10017 */ 10018 static int 10019 mptsas_scsi_quiesce(dev_info_t *dip) 10020 { 10021 mptsas_t *mpt; 10022 scsi_hba_tran_t *tran; 10023 10024 tran = ddi_get_driver_private(dip); 10025 if (tran == NULL || (mpt = TRAN2MPT(tran)) == NULL) 10026 return (-1); 10027 10028 return (mptsas_quiesce_bus(mpt)); 10029 } 10030 10031 static int 10032 mptsas_scsi_unquiesce(dev_info_t *dip) 10033 { 10034 mptsas_t *mpt; 10035 scsi_hba_tran_t *tran; 10036 10037 tran = ddi_get_driver_private(dip); 10038 if (tran == NULL || (mpt = TRAN2MPT(tran)) == NULL) 10039 return (-1); 10040 10041 return (mptsas_unquiesce_bus(mpt)); 10042 } 10043 10044 static int 10045 mptsas_quiesce_bus(mptsas_t *mpt) 10046 { 10047 mptsas_target_t *ptgt = NULL; 10048 10049 NDBG28(("mptsas_quiesce_bus")); 10050 mutex_enter(&mpt->m_mutex); 10051 10052 /* Set all the throttles to zero */ 10053 for (ptgt = refhash_first(mpt->m_targets); ptgt != NULL; 10054 ptgt = refhash_next(mpt->m_targets, ptgt)) { 10055 mptsas_set_throttle(mpt, ptgt, HOLD_THROTTLE); 10056 } 10057 10058 /* If there are any outstanding commands in the queue */ 10059 if (mpt->m_ncmds) { 10060 mpt->m_softstate |= MPTSAS_SS_DRAINING; 10061 mpt->m_quiesce_timeid = timeout(mptsas_ncmds_checkdrain, 10062 mpt, drv_sectohz(MPTSAS_QUIESCE_TIMEOUT)); 10063 if (cv_wait_sig(&mpt->m_cv, &mpt->m_mutex) == 0) { 10064 /* 10065 * Quiesce has been interrupted 10066 */ 10067 mpt->m_softstate &= ~MPTSAS_SS_DRAINING; 10068 for (ptgt = refhash_first(mpt->m_targets); ptgt != NULL; 10069 ptgt = refhash_next(mpt->m_targets, ptgt)) { 10070 mptsas_set_throttle(mpt, ptgt, MAX_THROTTLE); 10071 } 10072 mptsas_restart_hba(mpt); 10073 if (mpt->m_quiesce_timeid != 0) { 10074 timeout_id_t tid = mpt->m_quiesce_timeid; 10075 mpt->m_quiesce_timeid = 0; 10076 mutex_exit(&mpt->m_mutex); 10077 (void) untimeout(tid); 10078 return (-1); 10079 } 10080 mutex_exit(&mpt->m_mutex); 10081 return (-1); 10082 } else { 10083 /* Bus has been quiesced */ 10084 ASSERT(mpt->m_quiesce_timeid == 0); 10085 mpt->m_softstate &= ~MPTSAS_SS_DRAINING; 10086 mpt->m_softstate |= MPTSAS_SS_QUIESCED; 10087 mutex_exit(&mpt->m_mutex); 10088 return (0); 10089 } 10090 } 10091 /* Bus was not busy - QUIESCED */ 10092 mutex_exit(&mpt->m_mutex); 10093 10094 return (0); 10095 } 10096 10097 static int 10098 mptsas_unquiesce_bus(mptsas_t *mpt) 10099 { 10100 mptsas_target_t *ptgt = NULL; 10101 10102 NDBG28(("mptsas_unquiesce_bus")); 10103 mutex_enter(&mpt->m_mutex); 10104 mpt->m_softstate &= ~MPTSAS_SS_QUIESCED; 10105 for (ptgt = refhash_first(mpt->m_targets); ptgt != NULL; 10106 ptgt = refhash_next(mpt->m_targets, ptgt)) { 10107 mptsas_set_throttle(mpt, ptgt, MAX_THROTTLE); 10108 } 10109 mptsas_restart_hba(mpt); 10110 mutex_exit(&mpt->m_mutex); 10111 return (0); 10112 } 10113 10114 static void 10115 mptsas_ncmds_checkdrain(void *arg) 10116 { 10117 mptsas_t *mpt = arg; 10118 mptsas_target_t *ptgt = NULL; 10119 10120 mutex_enter(&mpt->m_mutex); 10121 if (mpt->m_softstate & MPTSAS_SS_DRAINING) { 10122 mpt->m_quiesce_timeid = 0; 10123 if (mpt->m_ncmds == 0) { 10124 /* Command queue has been drained */ 10125 cv_signal(&mpt->m_cv); 10126 } else { 10127 /* 10128 * The throttle may have been reset because 10129 * of a SCSI bus reset 10130 */ 10131 for (ptgt = refhash_first(mpt->m_targets); ptgt != NULL; 10132 ptgt = refhash_next(mpt->m_targets, ptgt)) { 10133 mptsas_set_throttle(mpt, ptgt, HOLD_THROTTLE); 10134 } 10135 10136 mpt->m_quiesce_timeid = timeout(mptsas_ncmds_checkdrain, 10137 mpt, drv_sectohz(MPTSAS_QUIESCE_TIMEOUT)); 10138 } 10139 } 10140 mutex_exit(&mpt->m_mutex); 10141 } 10142 10143 /*ARGSUSED*/ 10144 static void 10145 mptsas_dump_cmd(mptsas_t *mpt, mptsas_cmd_t *cmd) 10146 { 10147 int i; 10148 uint8_t *cp = (uchar_t *)cmd->cmd_pkt->pkt_cdbp; 10149 char buf[128]; 10150 10151 buf[0] = '\0'; 10152 NDBG25(("?Cmd (0x%p) dump for Target %d Lun %d:\n", (void *)cmd, 10153 Tgt(cmd), Lun(cmd))); 10154 (void) sprintf(&buf[0], "\tcdb=["); 10155 for (i = 0; i < (int)cmd->cmd_cdblen; i++) { 10156 (void) sprintf(&buf[strlen(buf)], " 0x%x", *cp++); 10157 } 10158 (void) sprintf(&buf[strlen(buf)], " ]"); 10159 NDBG25(("?%s\n", buf)); 10160 NDBG25(("?pkt_flags=0x%x pkt_statistics=0x%x pkt_state=0x%x\n", 10161 cmd->cmd_pkt->pkt_flags, cmd->cmd_pkt->pkt_statistics, 10162 cmd->cmd_pkt->pkt_state)); 10163 NDBG25(("?pkt_scbp=0x%x cmd_flags=0x%x\n", cmd->cmd_pkt->pkt_scbp ? 10164 *(cmd->cmd_pkt->pkt_scbp) : 0, cmd->cmd_flags)); 10165 } 10166 10167 static void 10168 mptsas_passthru_sge(ddi_acc_handle_t acc_hdl, mptsas_pt_request_t *pt, 10169 pMpi2SGESimple64_t sgep) 10170 { 10171 uint32_t sge_flags; 10172 uint32_t data_size, dataout_size; 10173 ddi_dma_cookie_t data_cookie; 10174 ddi_dma_cookie_t dataout_cookie; 10175 10176 data_size = pt->data_size; 10177 dataout_size = pt->dataout_size; 10178 data_cookie = pt->data_cookie; 10179 dataout_cookie = pt->dataout_cookie; 10180 10181 if (dataout_size) { 10182 sge_flags = dataout_size | 10183 ((uint32_t)(MPI2_SGE_FLAGS_SIMPLE_ELEMENT | 10184 MPI2_SGE_FLAGS_END_OF_BUFFER | 10185 MPI2_SGE_FLAGS_HOST_TO_IOC | 10186 MPI2_SGE_FLAGS_64_BIT_ADDRESSING) << 10187 MPI2_SGE_FLAGS_SHIFT); 10188 ddi_put32(acc_hdl, &sgep->FlagsLength, sge_flags); 10189 ddi_put32(acc_hdl, &sgep->Address.Low, 10190 (uint32_t)(dataout_cookie.dmac_laddress & 10191 0xffffffffull)); 10192 ddi_put32(acc_hdl, &sgep->Address.High, 10193 (uint32_t)(dataout_cookie.dmac_laddress 10194 >> 32)); 10195 sgep++; 10196 } 10197 sge_flags = data_size; 10198 sge_flags |= ((uint32_t)(MPI2_SGE_FLAGS_SIMPLE_ELEMENT | 10199 MPI2_SGE_FLAGS_LAST_ELEMENT | 10200 MPI2_SGE_FLAGS_END_OF_BUFFER | 10201 MPI2_SGE_FLAGS_END_OF_LIST | 10202 MPI2_SGE_FLAGS_64_BIT_ADDRESSING) << 10203 MPI2_SGE_FLAGS_SHIFT); 10204 if (pt->direction == MPTSAS_PASS_THRU_DIRECTION_WRITE) { 10205 sge_flags |= ((uint32_t)(MPI2_SGE_FLAGS_HOST_TO_IOC) << 10206 MPI2_SGE_FLAGS_SHIFT); 10207 } else { 10208 sge_flags |= ((uint32_t)(MPI2_SGE_FLAGS_IOC_TO_HOST) << 10209 MPI2_SGE_FLAGS_SHIFT); 10210 } 10211 ddi_put32(acc_hdl, &sgep->FlagsLength, 10212 sge_flags); 10213 ddi_put32(acc_hdl, &sgep->Address.Low, 10214 (uint32_t)(data_cookie.dmac_laddress & 10215 0xffffffffull)); 10216 ddi_put32(acc_hdl, &sgep->Address.High, 10217 (uint32_t)(data_cookie.dmac_laddress >> 32)); 10218 } 10219 10220 static void 10221 mptsas_passthru_ieee_sge(ddi_acc_handle_t acc_hdl, mptsas_pt_request_t *pt, 10222 pMpi2IeeeSgeSimple64_t ieeesgep) 10223 { 10224 uint8_t sge_flags; 10225 uint32_t data_size, dataout_size; 10226 ddi_dma_cookie_t data_cookie; 10227 ddi_dma_cookie_t dataout_cookie; 10228 10229 data_size = pt->data_size; 10230 dataout_size = pt->dataout_size; 10231 data_cookie = pt->data_cookie; 10232 dataout_cookie = pt->dataout_cookie; 10233 10234 sge_flags = (MPI2_IEEE_SGE_FLAGS_SIMPLE_ELEMENT | 10235 MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR); 10236 if (dataout_size) { 10237 ddi_put32(acc_hdl, &ieeesgep->Length, dataout_size); 10238 ddi_put32(acc_hdl, &ieeesgep->Address.Low, 10239 (uint32_t)(dataout_cookie.dmac_laddress & 10240 0xffffffffull)); 10241 ddi_put32(acc_hdl, &ieeesgep->Address.High, 10242 (uint32_t)(dataout_cookie.dmac_laddress >> 32)); 10243 ddi_put8(acc_hdl, &ieeesgep->Flags, sge_flags); 10244 ieeesgep++; 10245 } 10246 sge_flags |= MPI25_IEEE_SGE_FLAGS_END_OF_LIST; 10247 ddi_put32(acc_hdl, &ieeesgep->Length, data_size); 10248 ddi_put32(acc_hdl, &ieeesgep->Address.Low, 10249 (uint32_t)(data_cookie.dmac_laddress & 0xffffffffull)); 10250 ddi_put32(acc_hdl, &ieeesgep->Address.High, 10251 (uint32_t)(data_cookie.dmac_laddress >> 32)); 10252 ddi_put8(acc_hdl, &ieeesgep->Flags, sge_flags); 10253 } 10254 10255 static void 10256 mptsas_start_passthru(mptsas_t *mpt, mptsas_cmd_t *cmd) 10257 { 10258 caddr_t memp; 10259 pMPI2RequestHeader_t request_hdrp; 10260 struct scsi_pkt *pkt = cmd->cmd_pkt; 10261 mptsas_pt_request_t *pt = pkt->pkt_ha_private; 10262 uint32_t request_size; 10263 uint32_t i; 10264 uint64_t request_desc = 0; 10265 uint8_t desc_type; 10266 uint16_t SMID; 10267 uint8_t *request, function; 10268 ddi_dma_handle_t dma_hdl = mpt->m_dma_req_frame_hdl; 10269 ddi_acc_handle_t acc_hdl = mpt->m_acc_req_frame_hdl; 10270 10271 desc_type = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; 10272 10273 request = pt->request; 10274 request_size = pt->request_size; 10275 10276 SMID = cmd->cmd_slot; 10277 10278 /* 10279 * Store the passthrough message in memory location 10280 * corresponding to our slot number 10281 */ 10282 memp = mpt->m_req_frame + (mpt->m_req_frame_size * SMID); 10283 request_hdrp = (pMPI2RequestHeader_t)memp; 10284 bzero(memp, mpt->m_req_frame_size); 10285 10286 for (i = 0; i < request_size; i++) { 10287 bcopy(request + i, memp + i, 1); 10288 } 10289 10290 NDBG15(("mptsas_start_passthru: Func 0x%x, MsgFlags 0x%x, " 10291 "size=%d, in %d, out %d, SMID %d", request_hdrp->Function, 10292 request_hdrp->MsgFlags, request_size, 10293 pt->data_size, pt->dataout_size, SMID)); 10294 10295 /* 10296 * Add an SGE, even if the length is zero. 10297 */ 10298 if (mpt->m_MPI25 && pt->simple == 0) { 10299 mptsas_passthru_ieee_sge(acc_hdl, pt, 10300 (pMpi2IeeeSgeSimple64_t) 10301 ((uint8_t *)request_hdrp + pt->sgl_offset)); 10302 } else { 10303 mptsas_passthru_sge(acc_hdl, pt, 10304 (pMpi2SGESimple64_t) 10305 ((uint8_t *)request_hdrp + pt->sgl_offset)); 10306 } 10307 10308 function = request_hdrp->Function; 10309 if ((function == MPI2_FUNCTION_SCSI_IO_REQUEST) || 10310 (function == MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) { 10311 pMpi2SCSIIORequest_t scsi_io_req; 10312 caddr_t arsbuf; 10313 uint8_t ars_size; 10314 uint32_t ars_dmaaddrlow; 10315 10316 NDBG15(("mptsas_start_passthru: Is SCSI IO Req")); 10317 scsi_io_req = (pMpi2SCSIIORequest_t)request_hdrp; 10318 10319 if (cmd->cmd_extrqslen != 0) { 10320 /* 10321 * Mapping of the buffer was done in 10322 * mptsas_do_passthru(). 10323 * Calculate the DMA address with the same offset. 10324 */ 10325 arsbuf = cmd->cmd_arq_buf; 10326 ars_size = cmd->cmd_extrqslen; 10327 ars_dmaaddrlow = (mpt->m_req_sense_dma_addr + 10328 ((uintptr_t)arsbuf - (uintptr_t)mpt->m_req_sense)) & 10329 0xffffffffu; 10330 } else { 10331 arsbuf = mpt->m_req_sense + 10332 (mpt->m_req_sense_size * (SMID-1)); 10333 cmd->cmd_arq_buf = arsbuf; 10334 ars_size = mpt->m_req_sense_size; 10335 ars_dmaaddrlow = (mpt->m_req_sense_dma_addr + 10336 (mpt->m_req_sense_size * (SMID-1))) & 10337 0xffffffffu; 10338 } 10339 bzero(arsbuf, ars_size); 10340 10341 ddi_put8(acc_hdl, &scsi_io_req->SenseBufferLength, ars_size); 10342 ddi_put32(acc_hdl, &scsi_io_req->SenseBufferLowAddress, 10343 ars_dmaaddrlow); 10344 10345 /* 10346 * Put SGE for data and data_out buffer at the end of 10347 * scsi_io_request message header.(64 bytes in total) 10348 * Set SGLOffset0 value 10349 */ 10350 ddi_put8(acc_hdl, &scsi_io_req->SGLOffset0, 10351 offsetof(MPI2_SCSI_IO_REQUEST, SGL) / 4); 10352 10353 /* 10354 * Setup descriptor info. RAID passthrough must use the 10355 * default request descriptor which is already set, so if this 10356 * is a SCSI IO request, change the descriptor to SCSI IO. 10357 */ 10358 if (function == MPI2_FUNCTION_SCSI_IO_REQUEST) { 10359 desc_type = MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO; 10360 request_desc = ((uint64_t)ddi_get16(acc_hdl, 10361 &scsi_io_req->DevHandle) << 48); 10362 } 10363 (void) ddi_dma_sync(mpt->m_dma_req_sense_hdl, 0, 0, 10364 DDI_DMA_SYNC_FORDEV); 10365 } 10366 10367 /* 10368 * We must wait till the message has been completed before 10369 * beginning the next message so we wait for this one to 10370 * finish. 10371 */ 10372 (void) ddi_dma_sync(dma_hdl, 0, 0, DDI_DMA_SYNC_FORDEV); 10373 request_desc |= (SMID << 16) + desc_type; 10374 cmd->cmd_rfm = NULL; 10375 MPTSAS_START_CMD(mpt, request_desc); 10376 if ((mptsas_check_dma_handle(dma_hdl) != DDI_SUCCESS) || 10377 (mptsas_check_acc_handle(acc_hdl) != DDI_SUCCESS)) { 10378 ddi_fm_service_impact(mpt->m_dip, DDI_SERVICE_UNAFFECTED); 10379 } 10380 } 10381 10382 typedef void (mptsas_pre_f)(mptsas_t *, mptsas_pt_request_t *); 10383 static mptsas_pre_f mpi_pre_ioc_facts; 10384 static mptsas_pre_f mpi_pre_port_facts; 10385 static mptsas_pre_f mpi_pre_fw_download; 10386 static mptsas_pre_f mpi_pre_fw_25_download; 10387 static mptsas_pre_f mpi_pre_fw_upload; 10388 static mptsas_pre_f mpi_pre_fw_25_upload; 10389 static mptsas_pre_f mpi_pre_sata_passthrough; 10390 static mptsas_pre_f mpi_pre_smp_passthrough; 10391 static mptsas_pre_f mpi_pre_config; 10392 static mptsas_pre_f mpi_pre_sas_io_unit_control; 10393 static mptsas_pre_f mpi_pre_scsi_io_req; 10394 10395 /* 10396 * Prepare the pt for a SAS2 FW_DOWNLOAD request. 10397 */ 10398 static void 10399 mpi_pre_fw_download(mptsas_t *mpt, mptsas_pt_request_t *pt) 10400 { 10401 pMpi2FWDownloadTCSGE_t tcsge; 10402 pMpi2FWDownloadRequest req; 10403 10404 /* 10405 * If SAS3, call separate function. 10406 */ 10407 if (mpt->m_MPI25) { 10408 mpi_pre_fw_25_download(mpt, pt); 10409 return; 10410 } 10411 10412 /* 10413 * User requests should come in with the Transaction 10414 * context element where the SGL will go. Putting the 10415 * SGL after that seems to work, but don't really know 10416 * why. Other drivers tend to create an extra SGL and 10417 * refer to the TCE through that. 10418 */ 10419 req = (pMpi2FWDownloadRequest)pt->request; 10420 tcsge = (pMpi2FWDownloadTCSGE_t)&req->SGL; 10421 if (tcsge->ContextSize != 0 || tcsge->DetailsLength != 12 || 10422 tcsge->Flags != MPI2_SGE_FLAGS_TRANSACTION_ELEMENT) { 10423 mptsas_log(mpt, CE_WARN, "FW Download tce invalid!"); 10424 } 10425 10426 pt->sgl_offset = offsetof(MPI2_FW_DOWNLOAD_REQUEST, SGL) + 10427 sizeof (*tcsge); 10428 if (pt->request_size != pt->sgl_offset) 10429 NDBG15(("mpi_pre_fw_download(): Incorrect req size, " 10430 "0x%x, should be 0x%x, dataoutsz 0x%x", 10431 (int)pt->request_size, (int)pt->sgl_offset, 10432 (int)pt->dataout_size)); 10433 if (pt->data_size < sizeof (MPI2_FW_DOWNLOAD_REPLY)) 10434 NDBG15(("mpi_pre_fw_download(): Incorrect rep size, " 10435 "0x%x, should be 0x%x", pt->data_size, 10436 (int)sizeof (MPI2_FW_DOWNLOAD_REPLY))); 10437 } 10438 10439 /* 10440 * Prepare the pt for a SAS3 FW_DOWNLOAD request. 10441 */ 10442 static void 10443 mpi_pre_fw_25_download(mptsas_t *mpt, mptsas_pt_request_t *pt) 10444 { 10445 pMpi2FWDownloadTCSGE_t tcsge; 10446 pMpi2FWDownloadRequest req2; 10447 pMpi25FWDownloadRequest req25; 10448 10449 /* 10450 * User requests should come in with the Transaction 10451 * context element where the SGL will go. The new firmware 10452 * Doesn't use TCE and has space in the main request for 10453 * this information. So move to the right place. 10454 */ 10455 req2 = (pMpi2FWDownloadRequest)pt->request; 10456 req25 = (pMpi25FWDownloadRequest)pt->request; 10457 tcsge = (pMpi2FWDownloadTCSGE_t)&req2->SGL; 10458 if (tcsge->ContextSize != 0 || tcsge->DetailsLength != 12 || 10459 tcsge->Flags != MPI2_SGE_FLAGS_TRANSACTION_ELEMENT) { 10460 mptsas_log(mpt, CE_WARN, "FW Download tce invalid!"); 10461 } 10462 req25->ImageOffset = tcsge->ImageOffset; 10463 req25->ImageSize = tcsge->ImageSize; 10464 10465 pt->sgl_offset = offsetof(MPI25_FW_DOWNLOAD_REQUEST, SGL); 10466 if (pt->request_size != pt->sgl_offset) 10467 NDBG15(("mpi_pre_fw_25_download(): Incorrect req size, " 10468 "0x%x, should be 0x%x, dataoutsz 0x%x", 10469 pt->request_size, pt->sgl_offset, 10470 pt->dataout_size)); 10471 if (pt->data_size < sizeof (MPI2_FW_DOWNLOAD_REPLY)) 10472 NDBG15(("mpi_pre_fw_25_download(): Incorrect rep size, " 10473 "0x%x, should be 0x%x", pt->data_size, 10474 (int)sizeof (MPI2_FW_UPLOAD_REPLY))); 10475 } 10476 10477 /* 10478 * Prepare the pt for a SAS2 FW_UPLOAD request. 10479 */ 10480 static void 10481 mpi_pre_fw_upload(mptsas_t *mpt, mptsas_pt_request_t *pt) 10482 { 10483 pMpi2FWUploadTCSGE_t tcsge; 10484 pMpi2FWUploadRequest_t req; 10485 10486 /* 10487 * If SAS3, call separate function. 10488 */ 10489 if (mpt->m_MPI25) { 10490 mpi_pre_fw_25_upload(mpt, pt); 10491 return; 10492 } 10493 10494 /* 10495 * User requests should come in with the Transaction 10496 * context element where the SGL will go. Putting the 10497 * SGL after that seems to work, but don't really know 10498 * why. Other drivers tend to create an extra SGL and 10499 * refer to the TCE through that. 10500 */ 10501 req = (pMpi2FWUploadRequest_t)pt->request; 10502 tcsge = (pMpi2FWUploadTCSGE_t)&req->SGL; 10503 if (tcsge->ContextSize != 0 || tcsge->DetailsLength != 12 || 10504 tcsge->Flags != MPI2_SGE_FLAGS_TRANSACTION_ELEMENT) { 10505 mptsas_log(mpt, CE_WARN, "FW Upload tce invalid!"); 10506 } 10507 10508 pt->sgl_offset = offsetof(MPI2_FW_UPLOAD_REQUEST, SGL) + 10509 sizeof (*tcsge); 10510 if (pt->request_size != pt->sgl_offset) 10511 NDBG15(("mpi_pre_fw_upload(): Incorrect req size, " 10512 "0x%x, should be 0x%x, dataoutsz 0x%x", 10513 pt->request_size, pt->sgl_offset, 10514 pt->dataout_size)); 10515 if (pt->data_size < sizeof (MPI2_FW_UPLOAD_REPLY)) 10516 NDBG15(("mpi_pre_fw_upload(): Incorrect rep size, " 10517 "0x%x, should be 0x%x", pt->data_size, 10518 (int)sizeof (MPI2_FW_UPLOAD_REPLY))); 10519 } 10520 10521 /* 10522 * Prepare the pt a SAS3 FW_UPLOAD request. 10523 */ 10524 static void 10525 mpi_pre_fw_25_upload(mptsas_t *mpt, mptsas_pt_request_t *pt) 10526 { 10527 pMpi2FWUploadTCSGE_t tcsge; 10528 pMpi2FWUploadRequest_t req2; 10529 pMpi25FWUploadRequest_t req25; 10530 10531 /* 10532 * User requests should come in with the Transaction 10533 * context element where the SGL will go. The new firmware 10534 * Doesn't use TCE and has space in the main request for 10535 * this information. So move to the right place. 10536 */ 10537 req2 = (pMpi2FWUploadRequest_t)pt->request; 10538 req25 = (pMpi25FWUploadRequest_t)pt->request; 10539 tcsge = (pMpi2FWUploadTCSGE_t)&req2->SGL; 10540 if (tcsge->ContextSize != 0 || tcsge->DetailsLength != 12 || 10541 tcsge->Flags != MPI2_SGE_FLAGS_TRANSACTION_ELEMENT) { 10542 mptsas_log(mpt, CE_WARN, "FW Upload tce invalid!"); 10543 } 10544 req25->ImageOffset = tcsge->ImageOffset; 10545 req25->ImageSize = tcsge->ImageSize; 10546 10547 pt->sgl_offset = offsetof(MPI25_FW_UPLOAD_REQUEST, SGL); 10548 if (pt->request_size != pt->sgl_offset) 10549 NDBG15(("mpi_pre_fw_25_upload(): Incorrect req size, " 10550 "0x%x, should be 0x%x, dataoutsz 0x%x", 10551 pt->request_size, pt->sgl_offset, 10552 pt->dataout_size)); 10553 if (pt->data_size < sizeof (MPI2_FW_UPLOAD_REPLY)) 10554 NDBG15(("mpi_pre_fw_25_upload(): Incorrect rep size, " 10555 "0x%x, should be 0x%x", pt->data_size, 10556 (int)sizeof (MPI2_FW_UPLOAD_REPLY))); 10557 } 10558 10559 /* 10560 * Prepare the pt for an IOC_FACTS request. 10561 */ 10562 static void 10563 mpi_pre_ioc_facts(mptsas_t *mpt, mptsas_pt_request_t *pt) 10564 { 10565 #ifndef __lock_lint 10566 _NOTE(ARGUNUSED(mpt)) 10567 #endif 10568 if (pt->request_size != sizeof (MPI2_IOC_FACTS_REQUEST)) 10569 NDBG15(("mpi_pre_ioc_facts(): Incorrect req size, " 10570 "0x%x, should be 0x%x, dataoutsz 0x%x", 10571 pt->request_size, 10572 (int)sizeof (MPI2_IOC_FACTS_REQUEST), 10573 pt->dataout_size)); 10574 if (pt->data_size != sizeof (MPI2_IOC_FACTS_REPLY)) 10575 NDBG15(("mpi_pre_ioc_facts(): Incorrect rep size, " 10576 "0x%x, should be 0x%x", pt->data_size, 10577 (int)sizeof (MPI2_IOC_FACTS_REPLY))); 10578 pt->sgl_offset = (uint16_t)pt->request_size; 10579 } 10580 10581 /* 10582 * Prepare the pt for a PORT_FACTS request. 10583 */ 10584 static void 10585 mpi_pre_port_facts(mptsas_t *mpt, mptsas_pt_request_t *pt) 10586 { 10587 #ifndef __lock_lint 10588 _NOTE(ARGUNUSED(mpt)) 10589 #endif 10590 if (pt->request_size != sizeof (MPI2_PORT_FACTS_REQUEST)) 10591 NDBG15(("mpi_pre_port_facts(): Incorrect req size, " 10592 "0x%x, should be 0x%x, dataoutsz 0x%x", 10593 pt->request_size, 10594 (int)sizeof (MPI2_PORT_FACTS_REQUEST), 10595 pt->dataout_size)); 10596 if (pt->data_size != sizeof (MPI2_PORT_FACTS_REPLY)) 10597 NDBG15(("mpi_pre_port_facts(): Incorrect rep size, " 10598 "0x%x, should be 0x%x", pt->data_size, 10599 (int)sizeof (MPI2_PORT_FACTS_REPLY))); 10600 pt->sgl_offset = (uint16_t)pt->request_size; 10601 } 10602 10603 /* 10604 * Prepare pt for a SATA_PASSTHROUGH request. 10605 */ 10606 static void 10607 mpi_pre_sata_passthrough(mptsas_t *mpt, mptsas_pt_request_t *pt) 10608 { 10609 #ifndef __lock_lint 10610 _NOTE(ARGUNUSED(mpt)) 10611 #endif 10612 pt->sgl_offset = offsetof(MPI2_SATA_PASSTHROUGH_REQUEST, SGL); 10613 if (pt->request_size != pt->sgl_offset) 10614 NDBG15(("mpi_pre_sata_passthrough(): Incorrect req size, " 10615 "0x%x, should be 0x%x, dataoutsz 0x%x", 10616 pt->request_size, pt->sgl_offset, 10617 pt->dataout_size)); 10618 if (pt->data_size != sizeof (MPI2_SATA_PASSTHROUGH_REPLY)) 10619 NDBG15(("mpi_pre_sata_passthrough(): Incorrect rep size, " 10620 "0x%x, should be 0x%x", pt->data_size, 10621 (int)sizeof (MPI2_SATA_PASSTHROUGH_REPLY))); 10622 } 10623 10624 static void 10625 mpi_pre_smp_passthrough(mptsas_t *mpt, mptsas_pt_request_t *pt) 10626 { 10627 #ifndef __lock_lint 10628 _NOTE(ARGUNUSED(mpt)) 10629 #endif 10630 pt->sgl_offset = offsetof(MPI2_SMP_PASSTHROUGH_REQUEST, SGL); 10631 if (pt->request_size != pt->sgl_offset) 10632 NDBG15(("mpi_pre_smp_passthrough(): Incorrect req size, " 10633 "0x%x, should be 0x%x, dataoutsz 0x%x", 10634 pt->request_size, pt->sgl_offset, 10635 pt->dataout_size)); 10636 if (pt->data_size != sizeof (MPI2_SMP_PASSTHROUGH_REPLY)) 10637 NDBG15(("mpi_pre_smp_passthrough(): Incorrect rep size, " 10638 "0x%x, should be 0x%x", pt->data_size, 10639 (int)sizeof (MPI2_SMP_PASSTHROUGH_REPLY))); 10640 } 10641 10642 /* 10643 * Prepare pt for a CONFIG request. 10644 */ 10645 static void 10646 mpi_pre_config(mptsas_t *mpt, mptsas_pt_request_t *pt) 10647 { 10648 #ifndef __lock_lint 10649 _NOTE(ARGUNUSED(mpt)) 10650 #endif 10651 pt->sgl_offset = offsetof(MPI2_CONFIG_REQUEST, PageBufferSGE); 10652 if (pt->request_size != pt->sgl_offset) 10653 NDBG15(("mpi_pre_config(): Incorrect req size, 0x%x, " 10654 "should be 0x%x, dataoutsz 0x%x", pt->request_size, 10655 pt->sgl_offset, pt->dataout_size)); 10656 if (pt->data_size != sizeof (MPI2_CONFIG_REPLY)) 10657 NDBG15(("mpi_pre_config(): Incorrect rep size, 0x%x, " 10658 "should be 0x%x", pt->data_size, 10659 (int)sizeof (MPI2_CONFIG_REPLY))); 10660 pt->simple = 1; 10661 } 10662 10663 /* 10664 * Prepare pt for a SCSI_IO_REQ request. 10665 */ 10666 static void 10667 mpi_pre_scsi_io_req(mptsas_t *mpt, mptsas_pt_request_t *pt) 10668 { 10669 #ifndef __lock_lint 10670 _NOTE(ARGUNUSED(mpt)) 10671 #endif 10672 pt->sgl_offset = offsetof(MPI2_SCSI_IO_REQUEST, SGL); 10673 if (pt->request_size != pt->sgl_offset) 10674 NDBG15(("mpi_pre_config(): Incorrect req size, 0x%x, " 10675 "should be 0x%x, dataoutsz 0x%x", pt->request_size, 10676 pt->sgl_offset, 10677 pt->dataout_size)); 10678 if (pt->data_size != sizeof (MPI2_SCSI_IO_REPLY)) 10679 NDBG15(("mpi_pre_config(): Incorrect rep size, 0x%x, " 10680 "should be 0x%x", pt->data_size, 10681 (int)sizeof (MPI2_SCSI_IO_REPLY))); 10682 } 10683 10684 /* 10685 * Prepare the mptsas_cmd for a SAS_IO_UNIT_CONTROL request. 10686 */ 10687 static void 10688 mpi_pre_sas_io_unit_control(mptsas_t *mpt, mptsas_pt_request_t *pt) 10689 { 10690 #ifndef __lock_lint 10691 _NOTE(ARGUNUSED(mpt)) 10692 #endif 10693 pt->sgl_offset = (uint16_t)pt->request_size; 10694 } 10695 10696 /* 10697 * A set of functions to prepare an mptsas_cmd for the various 10698 * supported requests. 10699 */ 10700 static struct mptsas_func { 10701 U8 Function; 10702 char *Name; 10703 mptsas_pre_f *f_pre; 10704 } mptsas_func_list[] = { 10705 { MPI2_FUNCTION_IOC_FACTS, "IOC_FACTS", mpi_pre_ioc_facts }, 10706 { MPI2_FUNCTION_PORT_FACTS, "PORT_FACTS", mpi_pre_port_facts }, 10707 { MPI2_FUNCTION_FW_DOWNLOAD, "FW_DOWNLOAD", mpi_pre_fw_download }, 10708 { MPI2_FUNCTION_FW_UPLOAD, "FW_UPLOAD", mpi_pre_fw_upload }, 10709 { MPI2_FUNCTION_SATA_PASSTHROUGH, "SATA_PASSTHROUGH", 10710 mpi_pre_sata_passthrough }, 10711 { MPI2_FUNCTION_SMP_PASSTHROUGH, "SMP_PASSTHROUGH", 10712 mpi_pre_smp_passthrough}, 10713 { MPI2_FUNCTION_SCSI_IO_REQUEST, "SCSI_IO_REQUEST", 10714 mpi_pre_scsi_io_req}, 10715 { MPI2_FUNCTION_CONFIG, "CONFIG", mpi_pre_config}, 10716 { MPI2_FUNCTION_SAS_IO_UNIT_CONTROL, "SAS_IO_UNIT_CONTROL", 10717 mpi_pre_sas_io_unit_control }, 10718 { 0xFF, NULL, NULL } /* list end */ 10719 }; 10720 10721 static void 10722 mptsas_prep_sgl_offset(mptsas_t *mpt, mptsas_pt_request_t *pt) 10723 { 10724 pMPI2RequestHeader_t hdr; 10725 struct mptsas_func *f; 10726 10727 hdr = (pMPI2RequestHeader_t)pt->request; 10728 10729 for (f = mptsas_func_list; f->f_pre != NULL; f++) { 10730 if (hdr->Function == f->Function) { 10731 f->f_pre(mpt, pt); 10732 NDBG15(("mptsas_prep_sgl_offset: Function %s," 10733 " sgl_offset 0x%x", f->Name, 10734 pt->sgl_offset)); 10735 return; 10736 } 10737 } 10738 NDBG15(("mptsas_prep_sgl_offset: Unknown Function 0x%02x," 10739 " returning req_size 0x%x for sgl_offset", 10740 hdr->Function, pt->request_size)); 10741 pt->sgl_offset = (uint16_t)pt->request_size; 10742 } 10743 10744 10745 static int 10746 mptsas_do_passthru(mptsas_t *mpt, uint8_t *request, uint8_t *reply, 10747 uint8_t *data, uint32_t request_size, uint32_t reply_size, 10748 uint32_t data_size, uint32_t direction, uint8_t *dataout, 10749 uint32_t dataout_size, short timeout, int mode) 10750 { 10751 mptsas_pt_request_t pt; 10752 mptsas_dma_alloc_state_t data_dma_state; 10753 mptsas_dma_alloc_state_t dataout_dma_state; 10754 caddr_t memp; 10755 mptsas_cmd_t *cmd = NULL; 10756 struct scsi_pkt *pkt; 10757 uint32_t reply_len = 0, sense_len = 0; 10758 pMPI2RequestHeader_t request_hdrp; 10759 pMPI2RequestHeader_t request_msg; 10760 pMPI2DefaultReply_t reply_msg; 10761 Mpi2SCSIIOReply_t rep_msg; 10762 int rvalue; 10763 int i, status = 0, pt_flags = 0, rv = 0; 10764 uint8_t function; 10765 10766 ASSERT(mutex_owned(&mpt->m_mutex)); 10767 10768 reply_msg = (pMPI2DefaultReply_t)(&rep_msg); 10769 bzero(reply_msg, sizeof (MPI2_DEFAULT_REPLY)); 10770 request_msg = kmem_zalloc(request_size, KM_SLEEP); 10771 10772 mutex_exit(&mpt->m_mutex); 10773 /* 10774 * copy in the request buffer since it could be used by 10775 * another thread when the pt request into waitq 10776 */ 10777 if (ddi_copyin(request, request_msg, request_size, mode)) { 10778 mutex_enter(&mpt->m_mutex); 10779 status = EFAULT; 10780 mptsas_log(mpt, CE_WARN, "failed to copy request data"); 10781 goto out; 10782 } 10783 NDBG27(("mptsas_do_passthru: mode 0x%x, size 0x%x, Func 0x%x", 10784 mode, request_size, request_msg->Function)); 10785 mutex_enter(&mpt->m_mutex); 10786 10787 function = request_msg->Function; 10788 if (function == MPI2_FUNCTION_SCSI_TASK_MGMT) { 10789 pMpi2SCSITaskManagementRequest_t task; 10790 task = (pMpi2SCSITaskManagementRequest_t)request_msg; 10791 mptsas_setup_bus_reset_delay(mpt); 10792 rv = mptsas_ioc_task_management(mpt, task->TaskType, 10793 task->DevHandle, (int)task->LUN[1], reply, reply_size, 10794 mode); 10795 10796 if (rv != TRUE) { 10797 status = EIO; 10798 mptsas_log(mpt, CE_WARN, "task management failed"); 10799 } 10800 goto out; 10801 } 10802 10803 if (data_size != 0) { 10804 data_dma_state.size = data_size; 10805 if (mptsas_dma_alloc(mpt, &data_dma_state) != DDI_SUCCESS) { 10806 status = ENOMEM; 10807 mptsas_log(mpt, CE_WARN, "failed to alloc DMA " 10808 "resource"); 10809 goto out; 10810 } 10811 pt_flags |= MPTSAS_DATA_ALLOCATED; 10812 if (direction == MPTSAS_PASS_THRU_DIRECTION_WRITE) { 10813 mutex_exit(&mpt->m_mutex); 10814 for (i = 0; i < data_size; i++) { 10815 if (ddi_copyin(data + i, (uint8_t *) 10816 data_dma_state.memp + i, 1, mode)) { 10817 mutex_enter(&mpt->m_mutex); 10818 status = EFAULT; 10819 mptsas_log(mpt, CE_WARN, "failed to " 10820 "copy read data"); 10821 goto out; 10822 } 10823 } 10824 mutex_enter(&mpt->m_mutex); 10825 } 10826 } else { 10827 bzero(&data_dma_state, sizeof (data_dma_state)); 10828 } 10829 10830 if (dataout_size != 0) { 10831 dataout_dma_state.size = dataout_size; 10832 if (mptsas_dma_alloc(mpt, &dataout_dma_state) != DDI_SUCCESS) { 10833 status = ENOMEM; 10834 mptsas_log(mpt, CE_WARN, "failed to alloc DMA " 10835 "resource"); 10836 goto out; 10837 } 10838 pt_flags |= MPTSAS_DATAOUT_ALLOCATED; 10839 mutex_exit(&mpt->m_mutex); 10840 for (i = 0; i < dataout_size; i++) { 10841 if (ddi_copyin(dataout + i, (uint8_t *) 10842 dataout_dma_state.memp + i, 1, mode)) { 10843 mutex_enter(&mpt->m_mutex); 10844 mptsas_log(mpt, CE_WARN, "failed to copy out" 10845 " data"); 10846 status = EFAULT; 10847 goto out; 10848 } 10849 } 10850 mutex_enter(&mpt->m_mutex); 10851 } else { 10852 bzero(&dataout_dma_state, sizeof (dataout_dma_state)); 10853 } 10854 10855 if ((rvalue = (mptsas_request_from_pool(mpt, &cmd, &pkt))) == -1) { 10856 status = EAGAIN; 10857 mptsas_log(mpt, CE_NOTE, "event ack command pool is full"); 10858 goto out; 10859 } 10860 pt_flags |= MPTSAS_REQUEST_POOL_CMD; 10861 10862 bzero((caddr_t)cmd, sizeof (*cmd)); 10863 bzero((caddr_t)pkt, scsi_pkt_size()); 10864 bzero((caddr_t)&pt, sizeof (pt)); 10865 10866 cmd->ioc_cmd_slot = (uint32_t)(rvalue); 10867 10868 pt.request = (uint8_t *)request_msg; 10869 pt.direction = direction; 10870 pt.simple = 0; 10871 pt.request_size = request_size; 10872 pt.data_size = data_size; 10873 pt.dataout_size = dataout_size; 10874 pt.data_cookie = data_dma_state.cookie; 10875 pt.dataout_cookie = dataout_dma_state.cookie; 10876 mptsas_prep_sgl_offset(mpt, &pt); 10877 10878 /* 10879 * Form a blank cmd/pkt to store the acknowledgement message 10880 */ 10881 pkt->pkt_cdbp = (opaque_t)&cmd->cmd_cdb[0]; 10882 pkt->pkt_scbp = (opaque_t)&cmd->cmd_scb; 10883 pkt->pkt_ha_private = (opaque_t)&pt; 10884 pkt->pkt_flags = FLAG_HEAD; 10885 pkt->pkt_time = timeout; 10886 cmd->cmd_pkt = pkt; 10887 cmd->cmd_flags = CFLAG_CMDIOC | CFLAG_PASSTHRU; 10888 10889 if ((function == MPI2_FUNCTION_SCSI_IO_REQUEST) || 10890 (function == MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) { 10891 uint8_t com, cdb_group_id; 10892 boolean_t ret; 10893 10894 pkt->pkt_cdbp = ((pMpi2SCSIIORequest_t)request_msg)->CDB.CDB32; 10895 com = pkt->pkt_cdbp[0]; 10896 cdb_group_id = CDB_GROUPID(com); 10897 switch (cdb_group_id) { 10898 case CDB_GROUPID_0: cmd->cmd_cdblen = CDB_GROUP0; break; 10899 case CDB_GROUPID_1: cmd->cmd_cdblen = CDB_GROUP1; break; 10900 case CDB_GROUPID_2: cmd->cmd_cdblen = CDB_GROUP2; break; 10901 case CDB_GROUPID_4: cmd->cmd_cdblen = CDB_GROUP4; break; 10902 case CDB_GROUPID_5: cmd->cmd_cdblen = CDB_GROUP5; break; 10903 default: 10904 NDBG27(("mptsas_do_passthru: SCSI_IO, reserved " 10905 "CDBGROUP 0x%x requested!", cdb_group_id)); 10906 break; 10907 } 10908 10909 reply_len = sizeof (MPI2_SCSI_IO_REPLY); 10910 sense_len = reply_size - reply_len; 10911 ret = mptsas_cmdarqsize(mpt, cmd, sense_len, KM_SLEEP); 10912 VERIFY(ret == B_TRUE); 10913 } else { 10914 reply_len = reply_size; 10915 sense_len = 0; 10916 } 10917 10918 NDBG27(("mptsas_do_passthru: %s, dsz 0x%x, dosz 0x%x, replen 0x%x, " 10919 "snslen 0x%x", 10920 (direction == MPTSAS_PASS_THRU_DIRECTION_WRITE)?"Write":"Read", 10921 data_size, dataout_size, reply_len, sense_len)); 10922 10923 /* 10924 * Save the command in a slot 10925 */ 10926 if (mptsas_save_cmd(mpt, cmd) == TRUE) { 10927 /* 10928 * Once passthru command get slot, set cmd_flags 10929 * CFLAG_PREPARED. 10930 */ 10931 cmd->cmd_flags |= CFLAG_PREPARED; 10932 mptsas_start_passthru(mpt, cmd); 10933 } else { 10934 mptsas_waitq_add(mpt, cmd); 10935 } 10936 10937 while ((cmd->cmd_flags & CFLAG_FINISHED) == 0) { 10938 cv_wait(&mpt->m_passthru_cv, &mpt->m_mutex); 10939 } 10940 10941 NDBG27(("mptsas_do_passthru: Cmd complete, flags 0x%x, rfm 0x%x " 10942 "pktreason 0x%x", cmd->cmd_flags, cmd->cmd_rfm, 10943 pkt->pkt_reason)); 10944 10945 if (cmd->cmd_flags & CFLAG_PREPARED) { 10946 memp = mpt->m_req_frame + (mpt->m_req_frame_size * 10947 cmd->cmd_slot); 10948 request_hdrp = (pMPI2RequestHeader_t)memp; 10949 } 10950 10951 if (cmd->cmd_flags & CFLAG_TIMEOUT) { 10952 status = ETIMEDOUT; 10953 mptsas_log(mpt, CE_WARN, "passthrough command timeout"); 10954 pt_flags |= MPTSAS_CMD_TIMEOUT; 10955 goto out; 10956 } 10957 10958 if (cmd->cmd_rfm) { 10959 /* 10960 * cmd_rfm is zero means the command reply is a CONTEXT 10961 * reply and no PCI Write to post the free reply SMFA 10962 * because no reply message frame is used. 10963 * cmd_rfm is non-zero means the reply is a ADDRESS 10964 * reply and reply message frame is used. 10965 */ 10966 pt_flags |= MPTSAS_ADDRESS_REPLY; 10967 (void) ddi_dma_sync(mpt->m_dma_reply_frame_hdl, 0, 0, 10968 DDI_DMA_SYNC_FORCPU); 10969 reply_msg = (pMPI2DefaultReply_t) 10970 (mpt->m_reply_frame + (cmd->cmd_rfm - 10971 (mpt->m_reply_frame_dma_addr & 0xffffffffu))); 10972 } 10973 10974 mptsas_fma_check(mpt, cmd); 10975 if (pkt->pkt_reason == CMD_TRAN_ERR) { 10976 status = EAGAIN; 10977 mptsas_log(mpt, CE_WARN, "passthru fma error"); 10978 goto out; 10979 } 10980 if (pkt->pkt_reason == CMD_RESET) { 10981 status = EAGAIN; 10982 mptsas_log(mpt, CE_WARN, "ioc reset abort passthru"); 10983 goto out; 10984 } 10985 10986 if (pkt->pkt_reason == CMD_INCOMPLETE) { 10987 status = EIO; 10988 mptsas_log(mpt, CE_WARN, "passthrough command incomplete"); 10989 goto out; 10990 } 10991 10992 mutex_exit(&mpt->m_mutex); 10993 if (cmd->cmd_flags & CFLAG_PREPARED) { 10994 function = request_hdrp->Function; 10995 if ((function == MPI2_FUNCTION_SCSI_IO_REQUEST) || 10996 (function == MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) { 10997 reply_len = sizeof (MPI2_SCSI_IO_REPLY); 10998 sense_len = cmd->cmd_extrqslen ? 10999 min(sense_len, cmd->cmd_extrqslen) : 11000 min(sense_len, cmd->cmd_rqslen); 11001 } else { 11002 reply_len = reply_size; 11003 sense_len = 0; 11004 } 11005 11006 for (i = 0; i < reply_len; i++) { 11007 if (ddi_copyout((uint8_t *)reply_msg + i, reply + i, 1, 11008 mode)) { 11009 mutex_enter(&mpt->m_mutex); 11010 status = EFAULT; 11011 mptsas_log(mpt, CE_WARN, "failed to copy out " 11012 "reply data"); 11013 goto out; 11014 } 11015 } 11016 for (i = 0; i < sense_len; i++) { 11017 if (ddi_copyout((uint8_t *)request_hdrp + 64 + i, 11018 reply + reply_len + i, 1, mode)) { 11019 mutex_enter(&mpt->m_mutex); 11020 status = EFAULT; 11021 mptsas_log(mpt, CE_WARN, "failed to copy out " 11022 "sense data"); 11023 goto out; 11024 } 11025 } 11026 } 11027 11028 if (data_size) { 11029 if (direction != MPTSAS_PASS_THRU_DIRECTION_WRITE) { 11030 (void) ddi_dma_sync(data_dma_state.handle, 0, 0, 11031 DDI_DMA_SYNC_FORCPU); 11032 for (i = 0; i < data_size; i++) { 11033 if (ddi_copyout((uint8_t *)( 11034 data_dma_state.memp + i), data + i, 1, 11035 mode)) { 11036 mutex_enter(&mpt->m_mutex); 11037 status = EFAULT; 11038 mptsas_log(mpt, CE_WARN, "failed to " 11039 "copy out the reply data"); 11040 goto out; 11041 } 11042 } 11043 } 11044 } 11045 mutex_enter(&mpt->m_mutex); 11046 out: 11047 /* 11048 * Put the reply frame back on the free queue, increment the free 11049 * index, and write the new index to the free index register. But only 11050 * if this reply is an ADDRESS reply. 11051 */ 11052 if (pt_flags & MPTSAS_ADDRESS_REPLY) { 11053 ddi_put32(mpt->m_acc_free_queue_hdl, 11054 &((uint32_t *)(void *)mpt->m_free_queue)[mpt->m_free_index], 11055 cmd->cmd_rfm); 11056 (void) ddi_dma_sync(mpt->m_dma_free_queue_hdl, 0, 0, 11057 DDI_DMA_SYNC_FORDEV); 11058 if (++mpt->m_free_index == mpt->m_free_queue_depth) { 11059 mpt->m_free_index = 0; 11060 } 11061 ddi_put32(mpt->m_datap, &mpt->m_reg->ReplyFreeHostIndex, 11062 mpt->m_free_index); 11063 } 11064 if (cmd) { 11065 if (cmd->cmd_extrqslen != 0) { 11066 rmfree(mpt->m_erqsense_map, cmd->cmd_extrqschunks, 11067 cmd->cmd_extrqsidx + 1); 11068 } 11069 if (cmd->cmd_flags & CFLAG_PREPARED) { 11070 mptsas_remove_cmd(mpt, cmd); 11071 pt_flags &= (~MPTSAS_REQUEST_POOL_CMD); 11072 } 11073 } 11074 if (pt_flags & MPTSAS_REQUEST_POOL_CMD) 11075 mptsas_return_to_pool(mpt, cmd); 11076 if (pt_flags & MPTSAS_DATA_ALLOCATED) { 11077 if (mptsas_check_dma_handle(data_dma_state.handle) != 11078 DDI_SUCCESS) { 11079 ddi_fm_service_impact(mpt->m_dip, 11080 DDI_SERVICE_UNAFFECTED); 11081 status = EFAULT; 11082 } 11083 mptsas_dma_free(&data_dma_state); 11084 } 11085 if (pt_flags & MPTSAS_DATAOUT_ALLOCATED) { 11086 if (mptsas_check_dma_handle(dataout_dma_state.handle) != 11087 DDI_SUCCESS) { 11088 ddi_fm_service_impact(mpt->m_dip, 11089 DDI_SERVICE_UNAFFECTED); 11090 status = EFAULT; 11091 } 11092 mptsas_dma_free(&dataout_dma_state); 11093 } 11094 if (pt_flags & MPTSAS_CMD_TIMEOUT) { 11095 if ((mptsas_restart_ioc(mpt)) == DDI_FAILURE) { 11096 mptsas_log(mpt, CE_WARN, "mptsas_restart_ioc failed"); 11097 } 11098 } 11099 if (request_msg) 11100 kmem_free(request_msg, request_size); 11101 NDBG27(("mptsas_do_passthru: Done status 0x%x", status)); 11102 11103 return (status); 11104 } 11105 11106 static int 11107 mptsas_pass_thru(mptsas_t *mpt, mptsas_pass_thru_t *data, int mode) 11108 { 11109 /* 11110 * If timeout is 0, set timeout to default of 60 seconds. 11111 */ 11112 if (data->Timeout == 0) { 11113 data->Timeout = MPTSAS_PASS_THRU_TIME_DEFAULT; 11114 } 11115 11116 if (((data->DataSize == 0) && 11117 (data->DataDirection == MPTSAS_PASS_THRU_DIRECTION_NONE)) || 11118 ((data->DataSize != 0) && 11119 ((data->DataDirection == MPTSAS_PASS_THRU_DIRECTION_READ) || 11120 (data->DataDirection == MPTSAS_PASS_THRU_DIRECTION_WRITE) || 11121 ((data->DataDirection == MPTSAS_PASS_THRU_DIRECTION_BOTH) && 11122 (data->DataOutSize != 0))))) { 11123 if (data->DataDirection == MPTSAS_PASS_THRU_DIRECTION_BOTH) { 11124 data->DataDirection = MPTSAS_PASS_THRU_DIRECTION_READ; 11125 } else { 11126 data->DataOutSize = 0; 11127 } 11128 /* 11129 * Send passthru request messages 11130 */ 11131 return (mptsas_do_passthru(mpt, 11132 (uint8_t *)((uintptr_t)data->PtrRequest), 11133 (uint8_t *)((uintptr_t)data->PtrReply), 11134 (uint8_t *)((uintptr_t)data->PtrData), 11135 data->RequestSize, data->ReplySize, 11136 data->DataSize, data->DataDirection, 11137 (uint8_t *)((uintptr_t)data->PtrDataOut), 11138 data->DataOutSize, data->Timeout, mode)); 11139 } else { 11140 return (EINVAL); 11141 } 11142 } 11143 11144 static uint8_t 11145 mptsas_get_fw_diag_buffer_number(mptsas_t *mpt, uint32_t unique_id) 11146 { 11147 uint8_t index; 11148 11149 for (index = 0; index < MPI2_DIAG_BUF_TYPE_COUNT; index++) { 11150 if (mpt->m_fw_diag_buffer_list[index].unique_id == unique_id) { 11151 return (index); 11152 } 11153 } 11154 11155 return (MPTSAS_FW_DIAGNOSTIC_UID_NOT_FOUND); 11156 } 11157 11158 static void 11159 mptsas_start_diag(mptsas_t *mpt, mptsas_cmd_t *cmd) 11160 { 11161 pMpi2DiagBufferPostRequest_t pDiag_post_msg; 11162 pMpi2DiagReleaseRequest_t pDiag_release_msg; 11163 struct scsi_pkt *pkt = cmd->cmd_pkt; 11164 mptsas_diag_request_t *diag = pkt->pkt_ha_private; 11165 uint32_t i; 11166 uint64_t request_desc; 11167 11168 ASSERT(mutex_owned(&mpt->m_mutex)); 11169 11170 /* 11171 * Form the diag message depending on the post or release function. 11172 */ 11173 if (diag->function == MPI2_FUNCTION_DIAG_BUFFER_POST) { 11174 pDiag_post_msg = (pMpi2DiagBufferPostRequest_t) 11175 (mpt->m_req_frame + (mpt->m_req_frame_size * 11176 cmd->cmd_slot)); 11177 bzero(pDiag_post_msg, mpt->m_req_frame_size); 11178 ddi_put8(mpt->m_acc_req_frame_hdl, &pDiag_post_msg->Function, 11179 diag->function); 11180 ddi_put8(mpt->m_acc_req_frame_hdl, &pDiag_post_msg->BufferType, 11181 diag->pBuffer->buffer_type); 11182 ddi_put8(mpt->m_acc_req_frame_hdl, 11183 &pDiag_post_msg->ExtendedType, 11184 diag->pBuffer->extended_type); 11185 ddi_put32(mpt->m_acc_req_frame_hdl, 11186 &pDiag_post_msg->BufferLength, 11187 diag->pBuffer->buffer_data.size); 11188 for (i = 0; i < (sizeof (pDiag_post_msg->ProductSpecific) / 4); 11189 i++) { 11190 ddi_put32(mpt->m_acc_req_frame_hdl, 11191 &pDiag_post_msg->ProductSpecific[i], 11192 diag->pBuffer->product_specific[i]); 11193 } 11194 ddi_put32(mpt->m_acc_req_frame_hdl, 11195 &pDiag_post_msg->BufferAddress.Low, 11196 (uint32_t)(diag->pBuffer->buffer_data.cookie.dmac_laddress 11197 & 0xffffffffull)); 11198 ddi_put32(mpt->m_acc_req_frame_hdl, 11199 &pDiag_post_msg->BufferAddress.High, 11200 (uint32_t)(diag->pBuffer->buffer_data.cookie.dmac_laddress 11201 >> 32)); 11202 } else { 11203 pDiag_release_msg = (pMpi2DiagReleaseRequest_t) 11204 (mpt->m_req_frame + (mpt->m_req_frame_size * 11205 cmd->cmd_slot)); 11206 bzero(pDiag_release_msg, mpt->m_req_frame_size); 11207 ddi_put8(mpt->m_acc_req_frame_hdl, 11208 &pDiag_release_msg->Function, diag->function); 11209 ddi_put8(mpt->m_acc_req_frame_hdl, 11210 &pDiag_release_msg->BufferType, 11211 diag->pBuffer->buffer_type); 11212 } 11213 11214 /* 11215 * Send the message 11216 */ 11217 (void) ddi_dma_sync(mpt->m_dma_req_frame_hdl, 0, 0, 11218 DDI_DMA_SYNC_FORDEV); 11219 request_desc = (cmd->cmd_slot << 16) + 11220 MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; 11221 cmd->cmd_rfm = NULL; 11222 MPTSAS_START_CMD(mpt, request_desc); 11223 if ((mptsas_check_dma_handle(mpt->m_dma_req_frame_hdl) != 11224 DDI_SUCCESS) || 11225 (mptsas_check_acc_handle(mpt->m_acc_req_frame_hdl) != 11226 DDI_SUCCESS)) { 11227 ddi_fm_service_impact(mpt->m_dip, DDI_SERVICE_UNAFFECTED); 11228 } 11229 } 11230 11231 static int 11232 mptsas_post_fw_diag_buffer(mptsas_t *mpt, 11233 mptsas_fw_diagnostic_buffer_t *pBuffer, uint32_t *return_code) 11234 { 11235 mptsas_diag_request_t diag; 11236 int status, slot_num, post_flags = 0; 11237 mptsas_cmd_t *cmd = NULL; 11238 struct scsi_pkt *pkt; 11239 pMpi2DiagBufferPostReply_t reply; 11240 uint16_t iocstatus; 11241 uint32_t iocloginfo, transfer_length; 11242 11243 /* 11244 * If buffer is not enabled, just leave. 11245 */ 11246 *return_code = MPTSAS_FW_DIAG_ERROR_POST_FAILED; 11247 if (!pBuffer->enabled) { 11248 status = DDI_FAILURE; 11249 goto out; 11250 } 11251 11252 /* 11253 * Clear some flags initially. 11254 */ 11255 pBuffer->force_release = FALSE; 11256 pBuffer->valid_data = FALSE; 11257 pBuffer->owned_by_firmware = FALSE; 11258 11259 /* 11260 * Get a cmd buffer from the cmd buffer pool 11261 */ 11262 if ((slot_num = (mptsas_request_from_pool(mpt, &cmd, &pkt))) == -1) { 11263 status = DDI_FAILURE; 11264 mptsas_log(mpt, CE_NOTE, "command pool is full: Post FW Diag"); 11265 goto out; 11266 } 11267 post_flags |= MPTSAS_REQUEST_POOL_CMD; 11268 11269 bzero((caddr_t)cmd, sizeof (*cmd)); 11270 bzero((caddr_t)pkt, scsi_pkt_size()); 11271 11272 cmd->ioc_cmd_slot = (uint32_t)(slot_num); 11273 11274 diag.pBuffer = pBuffer; 11275 diag.function = MPI2_FUNCTION_DIAG_BUFFER_POST; 11276 11277 /* 11278 * Form a blank cmd/pkt to store the acknowledgement message 11279 */ 11280 pkt->pkt_ha_private = (opaque_t)&diag; 11281 pkt->pkt_flags = FLAG_HEAD; 11282 pkt->pkt_time = 60; 11283 cmd->cmd_pkt = pkt; 11284 cmd->cmd_flags = CFLAG_CMDIOC | CFLAG_FW_DIAG; 11285 11286 /* 11287 * Save the command in a slot 11288 */ 11289 if (mptsas_save_cmd(mpt, cmd) == TRUE) { 11290 /* 11291 * Once passthru command get slot, set cmd_flags 11292 * CFLAG_PREPARED. 11293 */ 11294 cmd->cmd_flags |= CFLAG_PREPARED; 11295 mptsas_start_diag(mpt, cmd); 11296 } else { 11297 mptsas_waitq_add(mpt, cmd); 11298 } 11299 11300 while ((cmd->cmd_flags & CFLAG_FINISHED) == 0) { 11301 cv_wait(&mpt->m_fw_diag_cv, &mpt->m_mutex); 11302 } 11303 11304 if (cmd->cmd_flags & CFLAG_TIMEOUT) { 11305 status = DDI_FAILURE; 11306 mptsas_log(mpt, CE_WARN, "Post FW Diag command timeout"); 11307 goto out; 11308 } 11309 11310 /* 11311 * cmd_rfm points to the reply message if a reply was given. Check the 11312 * IOCStatus to make sure everything went OK with the FW diag request 11313 * and set buffer flags. 11314 */ 11315 if (cmd->cmd_rfm) { 11316 post_flags |= MPTSAS_ADDRESS_REPLY; 11317 (void) ddi_dma_sync(mpt->m_dma_reply_frame_hdl, 0, 0, 11318 DDI_DMA_SYNC_FORCPU); 11319 reply = (pMpi2DiagBufferPostReply_t)(mpt->m_reply_frame + 11320 (cmd->cmd_rfm - 11321 (mpt->m_reply_frame_dma_addr & 0xffffffffu))); 11322 11323 /* 11324 * Get the reply message data 11325 */ 11326 iocstatus = ddi_get16(mpt->m_acc_reply_frame_hdl, 11327 &reply->IOCStatus); 11328 iocloginfo = ddi_get32(mpt->m_acc_reply_frame_hdl, 11329 &reply->IOCLogInfo); 11330 transfer_length = ddi_get32(mpt->m_acc_reply_frame_hdl, 11331 &reply->TransferLength); 11332 11333 /* 11334 * If post failed quit. 11335 */ 11336 if (iocstatus != MPI2_IOCSTATUS_SUCCESS) { 11337 status = DDI_FAILURE; 11338 NDBG13(("post FW Diag Buffer failed: IOCStatus=0x%x, " 11339 "IOCLogInfo=0x%x, TransferLength=0x%x", iocstatus, 11340 iocloginfo, transfer_length)); 11341 goto out; 11342 } 11343 11344 /* 11345 * Post was successful. 11346 */ 11347 pBuffer->valid_data = TRUE; 11348 pBuffer->owned_by_firmware = TRUE; 11349 *return_code = MPTSAS_FW_DIAG_ERROR_SUCCESS; 11350 status = DDI_SUCCESS; 11351 } 11352 11353 out: 11354 /* 11355 * Put the reply frame back on the free queue, increment the free 11356 * index, and write the new index to the free index register. But only 11357 * if this reply is an ADDRESS reply. 11358 */ 11359 if (post_flags & MPTSAS_ADDRESS_REPLY) { 11360 ddi_put32(mpt->m_acc_free_queue_hdl, 11361 &((uint32_t *)(void *)mpt->m_free_queue)[mpt->m_free_index], 11362 cmd->cmd_rfm); 11363 (void) ddi_dma_sync(mpt->m_dma_free_queue_hdl, 0, 0, 11364 DDI_DMA_SYNC_FORDEV); 11365 if (++mpt->m_free_index == mpt->m_free_queue_depth) { 11366 mpt->m_free_index = 0; 11367 } 11368 ddi_put32(mpt->m_datap, &mpt->m_reg->ReplyFreeHostIndex, 11369 mpt->m_free_index); 11370 } 11371 if (cmd && (cmd->cmd_flags & CFLAG_PREPARED)) { 11372 mptsas_remove_cmd(mpt, cmd); 11373 post_flags &= (~MPTSAS_REQUEST_POOL_CMD); 11374 } 11375 if (post_flags & MPTSAS_REQUEST_POOL_CMD) { 11376 mptsas_return_to_pool(mpt, cmd); 11377 } 11378 11379 return (status); 11380 } 11381 11382 static int 11383 mptsas_release_fw_diag_buffer(mptsas_t *mpt, 11384 mptsas_fw_diagnostic_buffer_t *pBuffer, uint32_t *return_code, 11385 uint32_t diag_type) 11386 { 11387 mptsas_diag_request_t diag; 11388 int status, slot_num, rel_flags = 0; 11389 mptsas_cmd_t *cmd = NULL; 11390 struct scsi_pkt *pkt; 11391 pMpi2DiagReleaseReply_t reply; 11392 uint16_t iocstatus; 11393 uint32_t iocloginfo; 11394 11395 /* 11396 * If buffer is not enabled, just leave. 11397 */ 11398 *return_code = MPTSAS_FW_DIAG_ERROR_RELEASE_FAILED; 11399 if (!pBuffer->enabled) { 11400 mptsas_log(mpt, CE_NOTE, "This buffer type is not supported " 11401 "by the IOC"); 11402 status = DDI_FAILURE; 11403 goto out; 11404 } 11405 11406 /* 11407 * Clear some flags initially. 11408 */ 11409 pBuffer->force_release = FALSE; 11410 pBuffer->valid_data = FALSE; 11411 pBuffer->owned_by_firmware = FALSE; 11412 11413 /* 11414 * Get a cmd buffer from the cmd buffer pool 11415 */ 11416 if ((slot_num = (mptsas_request_from_pool(mpt, &cmd, &pkt))) == -1) { 11417 status = DDI_FAILURE; 11418 mptsas_log(mpt, CE_NOTE, "command pool is full: Release FW " 11419 "Diag"); 11420 goto out; 11421 } 11422 rel_flags |= MPTSAS_REQUEST_POOL_CMD; 11423 11424 bzero((caddr_t)cmd, sizeof (*cmd)); 11425 bzero((caddr_t)pkt, scsi_pkt_size()); 11426 11427 cmd->ioc_cmd_slot = (uint32_t)(slot_num); 11428 11429 diag.pBuffer = pBuffer; 11430 diag.function = MPI2_FUNCTION_DIAG_RELEASE; 11431 11432 /* 11433 * Form a blank cmd/pkt to store the acknowledgement message 11434 */ 11435 pkt->pkt_ha_private = (opaque_t)&diag; 11436 pkt->pkt_flags = FLAG_HEAD; 11437 pkt->pkt_time = 60; 11438 cmd->cmd_pkt = pkt; 11439 cmd->cmd_flags = CFLAG_CMDIOC | CFLAG_FW_DIAG; 11440 11441 /* 11442 * Save the command in a slot 11443 */ 11444 if (mptsas_save_cmd(mpt, cmd) == TRUE) { 11445 /* 11446 * Once passthru command get slot, set cmd_flags 11447 * CFLAG_PREPARED. 11448 */ 11449 cmd->cmd_flags |= CFLAG_PREPARED; 11450 mptsas_start_diag(mpt, cmd); 11451 } else { 11452 mptsas_waitq_add(mpt, cmd); 11453 } 11454 11455 while ((cmd->cmd_flags & CFLAG_FINISHED) == 0) { 11456 cv_wait(&mpt->m_fw_diag_cv, &mpt->m_mutex); 11457 } 11458 11459 if (cmd->cmd_flags & CFLAG_TIMEOUT) { 11460 status = DDI_FAILURE; 11461 mptsas_log(mpt, CE_WARN, "Release FW Diag command timeout"); 11462 goto out; 11463 } 11464 11465 /* 11466 * cmd_rfm points to the reply message if a reply was given. Check the 11467 * IOCStatus to make sure everything went OK with the FW diag request 11468 * and set buffer flags. 11469 */ 11470 if (cmd->cmd_rfm) { 11471 rel_flags |= MPTSAS_ADDRESS_REPLY; 11472 (void) ddi_dma_sync(mpt->m_dma_reply_frame_hdl, 0, 0, 11473 DDI_DMA_SYNC_FORCPU); 11474 reply = (pMpi2DiagReleaseReply_t)(mpt->m_reply_frame + 11475 (cmd->cmd_rfm - 11476 (mpt->m_reply_frame_dma_addr & 0xffffffffu))); 11477 11478 /* 11479 * Get the reply message data 11480 */ 11481 iocstatus = ddi_get16(mpt->m_acc_reply_frame_hdl, 11482 &reply->IOCStatus); 11483 iocloginfo = ddi_get32(mpt->m_acc_reply_frame_hdl, 11484 &reply->IOCLogInfo); 11485 11486 /* 11487 * If release failed quit. 11488 */ 11489 if ((iocstatus != MPI2_IOCSTATUS_SUCCESS) || 11490 pBuffer->owned_by_firmware) { 11491 status = DDI_FAILURE; 11492 NDBG13(("release FW Diag Buffer failed: " 11493 "IOCStatus=0x%x, IOCLogInfo=0x%x", iocstatus, 11494 iocloginfo)); 11495 goto out; 11496 } 11497 11498 /* 11499 * Release was successful. 11500 */ 11501 *return_code = MPTSAS_FW_DIAG_ERROR_SUCCESS; 11502 status = DDI_SUCCESS; 11503 11504 /* 11505 * If this was for an UNREGISTER diag type command, clear the 11506 * unique ID. 11507 */ 11508 if (diag_type == MPTSAS_FW_DIAG_TYPE_UNREGISTER) { 11509 pBuffer->unique_id = MPTSAS_FW_DIAG_INVALID_UID; 11510 } 11511 } 11512 11513 out: 11514 /* 11515 * Put the reply frame back on the free queue, increment the free 11516 * index, and write the new index to the free index register. But only 11517 * if this reply is an ADDRESS reply. 11518 */ 11519 if (rel_flags & MPTSAS_ADDRESS_REPLY) { 11520 ddi_put32(mpt->m_acc_free_queue_hdl, 11521 &((uint32_t *)(void *)mpt->m_free_queue)[mpt->m_free_index], 11522 cmd->cmd_rfm); 11523 (void) ddi_dma_sync(mpt->m_dma_free_queue_hdl, 0, 0, 11524 DDI_DMA_SYNC_FORDEV); 11525 if (++mpt->m_free_index == mpt->m_free_queue_depth) { 11526 mpt->m_free_index = 0; 11527 } 11528 ddi_put32(mpt->m_datap, &mpt->m_reg->ReplyFreeHostIndex, 11529 mpt->m_free_index); 11530 } 11531 if (cmd && (cmd->cmd_flags & CFLAG_PREPARED)) { 11532 mptsas_remove_cmd(mpt, cmd); 11533 rel_flags &= (~MPTSAS_REQUEST_POOL_CMD); 11534 } 11535 if (rel_flags & MPTSAS_REQUEST_POOL_CMD) { 11536 mptsas_return_to_pool(mpt, cmd); 11537 } 11538 11539 return (status); 11540 } 11541 11542 static int 11543 mptsas_diag_register(mptsas_t *mpt, mptsas_fw_diag_register_t *diag_register, 11544 uint32_t *return_code) 11545 { 11546 mptsas_fw_diagnostic_buffer_t *pBuffer; 11547 uint8_t extended_type, buffer_type, i; 11548 uint32_t buffer_size; 11549 uint32_t unique_id; 11550 int status; 11551 11552 ASSERT(mutex_owned(&mpt->m_mutex)); 11553 11554 extended_type = diag_register->ExtendedType; 11555 buffer_type = diag_register->BufferType; 11556 buffer_size = diag_register->RequestedBufferSize; 11557 unique_id = diag_register->UniqueId; 11558 11559 /* 11560 * Check for valid buffer type 11561 */ 11562 if (buffer_type >= MPI2_DIAG_BUF_TYPE_COUNT) { 11563 *return_code = MPTSAS_FW_DIAG_ERROR_INVALID_PARAMETER; 11564 return (DDI_FAILURE); 11565 } 11566 11567 /* 11568 * Get the current buffer and look up the unique ID. The unique ID 11569 * should not be found. If it is, the ID is already in use. 11570 */ 11571 i = mptsas_get_fw_diag_buffer_number(mpt, unique_id); 11572 pBuffer = &mpt->m_fw_diag_buffer_list[buffer_type]; 11573 if (i != MPTSAS_FW_DIAGNOSTIC_UID_NOT_FOUND) { 11574 *return_code = MPTSAS_FW_DIAG_ERROR_INVALID_UID; 11575 return (DDI_FAILURE); 11576 } 11577 11578 /* 11579 * The buffer's unique ID should not be registered yet, and the given 11580 * unique ID cannot be 0. 11581 */ 11582 if ((pBuffer->unique_id != MPTSAS_FW_DIAG_INVALID_UID) || 11583 (unique_id == MPTSAS_FW_DIAG_INVALID_UID)) { 11584 *return_code = MPTSAS_FW_DIAG_ERROR_INVALID_UID; 11585 return (DDI_FAILURE); 11586 } 11587 11588 /* 11589 * If this buffer is already posted as immediate, just change owner. 11590 */ 11591 if (pBuffer->immediate && pBuffer->owned_by_firmware && 11592 (pBuffer->unique_id == MPTSAS_FW_DIAG_INVALID_UID)) { 11593 pBuffer->immediate = FALSE; 11594 pBuffer->unique_id = unique_id; 11595 return (DDI_SUCCESS); 11596 } 11597 11598 /* 11599 * Post a new buffer after checking if it's enabled. The DMA buffer 11600 * that is allocated will be contiguous (sgl_len = 1). 11601 */ 11602 if (!pBuffer->enabled) { 11603 *return_code = MPTSAS_FW_DIAG_ERROR_NO_BUFFER; 11604 return (DDI_FAILURE); 11605 } 11606 bzero(&pBuffer->buffer_data, sizeof (mptsas_dma_alloc_state_t)); 11607 pBuffer->buffer_data.size = buffer_size; 11608 if (mptsas_dma_alloc(mpt, &pBuffer->buffer_data) != DDI_SUCCESS) { 11609 mptsas_log(mpt, CE_WARN, "failed to alloc DMA resource for " 11610 "diag buffer: size = %d bytes", buffer_size); 11611 *return_code = MPTSAS_FW_DIAG_ERROR_NO_BUFFER; 11612 return (DDI_FAILURE); 11613 } 11614 11615 /* 11616 * Copy the given info to the diag buffer and post the buffer. 11617 */ 11618 pBuffer->buffer_type = buffer_type; 11619 pBuffer->immediate = FALSE; 11620 if (buffer_type == MPI2_DIAG_BUF_TYPE_TRACE) { 11621 for (i = 0; i < (sizeof (pBuffer->product_specific) / 4); 11622 i++) { 11623 pBuffer->product_specific[i] = 11624 diag_register->ProductSpecific[i]; 11625 } 11626 } 11627 pBuffer->extended_type = extended_type; 11628 pBuffer->unique_id = unique_id; 11629 status = mptsas_post_fw_diag_buffer(mpt, pBuffer, return_code); 11630 11631 if (mptsas_check_dma_handle(pBuffer->buffer_data.handle) != 11632 DDI_SUCCESS) { 11633 mptsas_log(mpt, CE_WARN, "Check of DMA handle failed in " 11634 "mptsas_diag_register."); 11635 ddi_fm_service_impact(mpt->m_dip, DDI_SERVICE_UNAFFECTED); 11636 status = DDI_FAILURE; 11637 } 11638 11639 /* 11640 * In case there was a failure, free the DMA buffer. 11641 */ 11642 if (status == DDI_FAILURE) { 11643 mptsas_dma_free(&pBuffer->buffer_data); 11644 } 11645 11646 return (status); 11647 } 11648 11649 static int 11650 mptsas_diag_unregister(mptsas_t *mpt, 11651 mptsas_fw_diag_unregister_t *diag_unregister, uint32_t *return_code) 11652 { 11653 mptsas_fw_diagnostic_buffer_t *pBuffer; 11654 uint8_t i; 11655 uint32_t unique_id; 11656 int status; 11657 11658 ASSERT(mutex_owned(&mpt->m_mutex)); 11659 11660 unique_id = diag_unregister->UniqueId; 11661 11662 /* 11663 * Get the current buffer and look up the unique ID. The unique ID 11664 * should be there. 11665 */ 11666 i = mptsas_get_fw_diag_buffer_number(mpt, unique_id); 11667 if (i == MPTSAS_FW_DIAGNOSTIC_UID_NOT_FOUND) { 11668 *return_code = MPTSAS_FW_DIAG_ERROR_INVALID_UID; 11669 return (DDI_FAILURE); 11670 } 11671 11672 pBuffer = &mpt->m_fw_diag_buffer_list[i]; 11673 11674 /* 11675 * Try to release the buffer from FW before freeing it. If release 11676 * fails, don't free the DMA buffer in case FW tries to access it 11677 * later. If buffer is not owned by firmware, can't release it. 11678 */ 11679 if (!pBuffer->owned_by_firmware) { 11680 status = DDI_SUCCESS; 11681 } else { 11682 status = mptsas_release_fw_diag_buffer(mpt, pBuffer, 11683 return_code, MPTSAS_FW_DIAG_TYPE_UNREGISTER); 11684 } 11685 11686 /* 11687 * At this point, return the current status no matter what happens with 11688 * the DMA buffer. 11689 */ 11690 pBuffer->unique_id = MPTSAS_FW_DIAG_INVALID_UID; 11691 if (status == DDI_SUCCESS) { 11692 if (mptsas_check_dma_handle(pBuffer->buffer_data.handle) != 11693 DDI_SUCCESS) { 11694 mptsas_log(mpt, CE_WARN, "Check of DMA handle failed " 11695 "in mptsas_diag_unregister."); 11696 ddi_fm_service_impact(mpt->m_dip, 11697 DDI_SERVICE_UNAFFECTED); 11698 } 11699 mptsas_dma_free(&pBuffer->buffer_data); 11700 } 11701 11702 return (status); 11703 } 11704 11705 static int 11706 mptsas_diag_query(mptsas_t *mpt, mptsas_fw_diag_query_t *diag_query, 11707 uint32_t *return_code) 11708 { 11709 mptsas_fw_diagnostic_buffer_t *pBuffer; 11710 uint8_t i; 11711 uint32_t unique_id; 11712 11713 ASSERT(mutex_owned(&mpt->m_mutex)); 11714 11715 unique_id = diag_query->UniqueId; 11716 11717 /* 11718 * If ID is valid, query on ID. 11719 * If ID is invalid, query on buffer type. 11720 */ 11721 if (unique_id == MPTSAS_FW_DIAG_INVALID_UID) { 11722 i = diag_query->BufferType; 11723 if (i >= MPI2_DIAG_BUF_TYPE_COUNT) { 11724 *return_code = MPTSAS_FW_DIAG_ERROR_INVALID_UID; 11725 return (DDI_FAILURE); 11726 } 11727 } else { 11728 i = mptsas_get_fw_diag_buffer_number(mpt, unique_id); 11729 if (i == MPTSAS_FW_DIAGNOSTIC_UID_NOT_FOUND) { 11730 *return_code = MPTSAS_FW_DIAG_ERROR_INVALID_UID; 11731 return (DDI_FAILURE); 11732 } 11733 } 11734 11735 /* 11736 * Fill query structure with the diag buffer info. 11737 */ 11738 pBuffer = &mpt->m_fw_diag_buffer_list[i]; 11739 diag_query->BufferType = pBuffer->buffer_type; 11740 diag_query->ExtendedType = pBuffer->extended_type; 11741 if (diag_query->BufferType == MPI2_DIAG_BUF_TYPE_TRACE) { 11742 for (i = 0; i < (sizeof (diag_query->ProductSpecific) / 4); 11743 i++) { 11744 diag_query->ProductSpecific[i] = 11745 pBuffer->product_specific[i]; 11746 } 11747 } 11748 diag_query->TotalBufferSize = pBuffer->buffer_data.size; 11749 diag_query->DriverAddedBufferSize = 0; 11750 diag_query->UniqueId = pBuffer->unique_id; 11751 diag_query->ApplicationFlags = 0; 11752 diag_query->DiagnosticFlags = 0; 11753 11754 /* 11755 * Set/Clear application flags 11756 */ 11757 if (pBuffer->immediate) { 11758 diag_query->ApplicationFlags &= ~MPTSAS_FW_DIAG_FLAG_APP_OWNED; 11759 } else { 11760 diag_query->ApplicationFlags |= MPTSAS_FW_DIAG_FLAG_APP_OWNED; 11761 } 11762 if (pBuffer->valid_data || pBuffer->owned_by_firmware) { 11763 diag_query->ApplicationFlags |= 11764 MPTSAS_FW_DIAG_FLAG_BUFFER_VALID; 11765 } else { 11766 diag_query->ApplicationFlags &= 11767 ~MPTSAS_FW_DIAG_FLAG_BUFFER_VALID; 11768 } 11769 if (pBuffer->owned_by_firmware) { 11770 diag_query->ApplicationFlags |= 11771 MPTSAS_FW_DIAG_FLAG_FW_BUFFER_ACCESS; 11772 } else { 11773 diag_query->ApplicationFlags &= 11774 ~MPTSAS_FW_DIAG_FLAG_FW_BUFFER_ACCESS; 11775 } 11776 11777 return (DDI_SUCCESS); 11778 } 11779 11780 static int 11781 mptsas_diag_read_buffer(mptsas_t *mpt, 11782 mptsas_diag_read_buffer_t *diag_read_buffer, uint8_t *ioctl_buf, 11783 uint32_t *return_code, int ioctl_mode) 11784 { 11785 mptsas_fw_diagnostic_buffer_t *pBuffer; 11786 uint8_t i, *pData; 11787 uint32_t unique_id, byte; 11788 int status; 11789 11790 ASSERT(mutex_owned(&mpt->m_mutex)); 11791 11792 unique_id = diag_read_buffer->UniqueId; 11793 11794 /* 11795 * Get the current buffer and look up the unique ID. The unique ID 11796 * should be there. 11797 */ 11798 i = mptsas_get_fw_diag_buffer_number(mpt, unique_id); 11799 if (i == MPTSAS_FW_DIAGNOSTIC_UID_NOT_FOUND) { 11800 *return_code = MPTSAS_FW_DIAG_ERROR_INVALID_UID; 11801 return (DDI_FAILURE); 11802 } 11803 11804 pBuffer = &mpt->m_fw_diag_buffer_list[i]; 11805 11806 /* 11807 * Make sure requested read is within limits 11808 */ 11809 if (diag_read_buffer->StartingOffset + diag_read_buffer->BytesToRead > 11810 pBuffer->buffer_data.size) { 11811 *return_code = MPTSAS_FW_DIAG_ERROR_INVALID_PARAMETER; 11812 return (DDI_FAILURE); 11813 } 11814 11815 /* 11816 * Copy the requested data from DMA to the diag_read_buffer. The DMA 11817 * buffer that was allocated is one contiguous buffer. 11818 */ 11819 pData = (uint8_t *)(pBuffer->buffer_data.memp + 11820 diag_read_buffer->StartingOffset); 11821 (void) ddi_dma_sync(pBuffer->buffer_data.handle, 0, 0, 11822 DDI_DMA_SYNC_FORCPU); 11823 for (byte = 0; byte < diag_read_buffer->BytesToRead; byte++) { 11824 if (ddi_copyout(pData + byte, ioctl_buf + byte, 1, ioctl_mode) 11825 != 0) { 11826 return (DDI_FAILURE); 11827 } 11828 } 11829 diag_read_buffer->Status = 0; 11830 11831 /* 11832 * Set or clear the Force Release flag. 11833 */ 11834 if (pBuffer->force_release) { 11835 diag_read_buffer->Flags |= MPTSAS_FW_DIAG_FLAG_FORCE_RELEASE; 11836 } else { 11837 diag_read_buffer->Flags &= ~MPTSAS_FW_DIAG_FLAG_FORCE_RELEASE; 11838 } 11839 11840 /* 11841 * If buffer is to be reregistered, make sure it's not already owned by 11842 * firmware first. 11843 */ 11844 status = DDI_SUCCESS; 11845 if (!pBuffer->owned_by_firmware) { 11846 if (diag_read_buffer->Flags & MPTSAS_FW_DIAG_FLAG_REREGISTER) { 11847 status = mptsas_post_fw_diag_buffer(mpt, pBuffer, 11848 return_code); 11849 } 11850 } 11851 11852 return (status); 11853 } 11854 11855 static int 11856 mptsas_diag_release(mptsas_t *mpt, mptsas_fw_diag_release_t *diag_release, 11857 uint32_t *return_code) 11858 { 11859 mptsas_fw_diagnostic_buffer_t *pBuffer; 11860 uint8_t i; 11861 uint32_t unique_id; 11862 int status; 11863 11864 ASSERT(mutex_owned(&mpt->m_mutex)); 11865 11866 unique_id = diag_release->UniqueId; 11867 11868 /* 11869 * Get the current buffer and look up the unique ID. The unique ID 11870 * should be there. 11871 */ 11872 i = mptsas_get_fw_diag_buffer_number(mpt, unique_id); 11873 if (i == MPTSAS_FW_DIAGNOSTIC_UID_NOT_FOUND) { 11874 *return_code = MPTSAS_FW_DIAG_ERROR_INVALID_UID; 11875 return (DDI_FAILURE); 11876 } 11877 11878 pBuffer = &mpt->m_fw_diag_buffer_list[i]; 11879 11880 /* 11881 * If buffer is not owned by firmware, it's already been released. 11882 */ 11883 if (!pBuffer->owned_by_firmware) { 11884 *return_code = MPTSAS_FW_DIAG_ERROR_ALREADY_RELEASED; 11885 return (DDI_FAILURE); 11886 } 11887 11888 /* 11889 * Release the buffer. 11890 */ 11891 status = mptsas_release_fw_diag_buffer(mpt, pBuffer, return_code, 11892 MPTSAS_FW_DIAG_TYPE_RELEASE); 11893 return (status); 11894 } 11895 11896 static int 11897 mptsas_do_diag_action(mptsas_t *mpt, uint32_t action, uint8_t *diag_action, 11898 uint32_t length, uint32_t *return_code, int ioctl_mode) 11899 { 11900 mptsas_fw_diag_register_t diag_register; 11901 mptsas_fw_diag_unregister_t diag_unregister; 11902 mptsas_fw_diag_query_t diag_query; 11903 mptsas_diag_read_buffer_t diag_read_buffer; 11904 mptsas_fw_diag_release_t diag_release; 11905 int status = DDI_SUCCESS; 11906 uint32_t original_return_code, read_buf_len; 11907 11908 ASSERT(mutex_owned(&mpt->m_mutex)); 11909 11910 original_return_code = *return_code; 11911 *return_code = MPTSAS_FW_DIAG_ERROR_SUCCESS; 11912 11913 switch (action) { 11914 case MPTSAS_FW_DIAG_TYPE_REGISTER: 11915 if (!length) { 11916 *return_code = 11917 MPTSAS_FW_DIAG_ERROR_INVALID_PARAMETER; 11918 status = DDI_FAILURE; 11919 break; 11920 } 11921 if (ddi_copyin(diag_action, &diag_register, 11922 sizeof (diag_register), ioctl_mode) != 0) { 11923 return (DDI_FAILURE); 11924 } 11925 status = mptsas_diag_register(mpt, &diag_register, 11926 return_code); 11927 break; 11928 11929 case MPTSAS_FW_DIAG_TYPE_UNREGISTER: 11930 if (length < sizeof (diag_unregister)) { 11931 *return_code = 11932 MPTSAS_FW_DIAG_ERROR_INVALID_PARAMETER; 11933 status = DDI_FAILURE; 11934 break; 11935 } 11936 if (ddi_copyin(diag_action, &diag_unregister, 11937 sizeof (diag_unregister), ioctl_mode) != 0) { 11938 return (DDI_FAILURE); 11939 } 11940 status = mptsas_diag_unregister(mpt, &diag_unregister, 11941 return_code); 11942 break; 11943 11944 case MPTSAS_FW_DIAG_TYPE_QUERY: 11945 if (length < sizeof (diag_query)) { 11946 *return_code = 11947 MPTSAS_FW_DIAG_ERROR_INVALID_PARAMETER; 11948 status = DDI_FAILURE; 11949 break; 11950 } 11951 if (ddi_copyin(diag_action, &diag_query, 11952 sizeof (diag_query), ioctl_mode) != 0) { 11953 return (DDI_FAILURE); 11954 } 11955 status = mptsas_diag_query(mpt, &diag_query, 11956 return_code); 11957 if (status == DDI_SUCCESS) { 11958 if (ddi_copyout(&diag_query, diag_action, 11959 sizeof (diag_query), ioctl_mode) != 0) { 11960 return (DDI_FAILURE); 11961 } 11962 } 11963 break; 11964 11965 case MPTSAS_FW_DIAG_TYPE_READ_BUFFER: 11966 if (ddi_copyin(diag_action, &diag_read_buffer, 11967 sizeof (diag_read_buffer) - 4, ioctl_mode) != 0) { 11968 return (DDI_FAILURE); 11969 } 11970 read_buf_len = sizeof (diag_read_buffer) - 11971 sizeof (diag_read_buffer.DataBuffer) + 11972 diag_read_buffer.BytesToRead; 11973 if (length < read_buf_len) { 11974 *return_code = 11975 MPTSAS_FW_DIAG_ERROR_INVALID_PARAMETER; 11976 status = DDI_FAILURE; 11977 break; 11978 } 11979 status = mptsas_diag_read_buffer(mpt, 11980 &diag_read_buffer, diag_action + 11981 sizeof (diag_read_buffer) - 4, return_code, 11982 ioctl_mode); 11983 if (status == DDI_SUCCESS) { 11984 if (ddi_copyout(&diag_read_buffer, diag_action, 11985 sizeof (diag_read_buffer) - 4, ioctl_mode) 11986 != 0) { 11987 return (DDI_FAILURE); 11988 } 11989 } 11990 break; 11991 11992 case MPTSAS_FW_DIAG_TYPE_RELEASE: 11993 if (length < sizeof (diag_release)) { 11994 *return_code = 11995 MPTSAS_FW_DIAG_ERROR_INVALID_PARAMETER; 11996 status = DDI_FAILURE; 11997 break; 11998 } 11999 if (ddi_copyin(diag_action, &diag_release, 12000 sizeof (diag_release), ioctl_mode) != 0) { 12001 return (DDI_FAILURE); 12002 } 12003 status = mptsas_diag_release(mpt, &diag_release, 12004 return_code); 12005 break; 12006 12007 default: 12008 *return_code = MPTSAS_FW_DIAG_ERROR_INVALID_PARAMETER; 12009 status = DDI_FAILURE; 12010 break; 12011 } 12012 12013 if ((status == DDI_FAILURE) && 12014 (original_return_code == MPTSAS_FW_DIAG_NEW) && 12015 (*return_code != MPTSAS_FW_DIAG_ERROR_SUCCESS)) { 12016 status = DDI_SUCCESS; 12017 } 12018 12019 return (status); 12020 } 12021 12022 static int 12023 mptsas_diag_action(mptsas_t *mpt, mptsas_diag_action_t *user_data, int mode) 12024 { 12025 int status; 12026 mptsas_diag_action_t driver_data; 12027 12028 ASSERT(mutex_owned(&mpt->m_mutex)); 12029 12030 /* 12031 * Copy the user data to a driver data buffer. 12032 */ 12033 if (ddi_copyin(user_data, &driver_data, sizeof (mptsas_diag_action_t), 12034 mode) == 0) { 12035 /* 12036 * Send diag action request if Action is valid 12037 */ 12038 if (driver_data.Action == MPTSAS_FW_DIAG_TYPE_REGISTER || 12039 driver_data.Action == MPTSAS_FW_DIAG_TYPE_UNREGISTER || 12040 driver_data.Action == MPTSAS_FW_DIAG_TYPE_QUERY || 12041 driver_data.Action == MPTSAS_FW_DIAG_TYPE_READ_BUFFER || 12042 driver_data.Action == MPTSAS_FW_DIAG_TYPE_RELEASE) { 12043 status = mptsas_do_diag_action(mpt, driver_data.Action, 12044 (void *)(uintptr_t)driver_data.PtrDiagAction, 12045 driver_data.Length, &driver_data.ReturnCode, 12046 mode); 12047 if (status == DDI_SUCCESS) { 12048 if (ddi_copyout(&driver_data.ReturnCode, 12049 &user_data->ReturnCode, 12050 sizeof (user_data->ReturnCode), mode) 12051 != 0) { 12052 status = EFAULT; 12053 } else { 12054 status = 0; 12055 } 12056 } else { 12057 status = EIO; 12058 } 12059 } else { 12060 status = EINVAL; 12061 } 12062 } else { 12063 status = EFAULT; 12064 } 12065 12066 return (status); 12067 } 12068 12069 /* 12070 * This routine handles the "event query" ioctl. 12071 */ 12072 static int 12073 mptsas_event_query(mptsas_t *mpt, mptsas_event_query_t *data, int mode, 12074 int *rval) 12075 { 12076 int status; 12077 mptsas_event_query_t driverdata; 12078 uint8_t i; 12079 12080 driverdata.Entries = MPTSAS_EVENT_QUEUE_SIZE; 12081 12082 mutex_enter(&mpt->m_mutex); 12083 for (i = 0; i < 4; i++) { 12084 driverdata.Types[i] = mpt->m_event_mask[i]; 12085 } 12086 mutex_exit(&mpt->m_mutex); 12087 12088 if (ddi_copyout(&driverdata, data, sizeof (driverdata), mode) != 0) { 12089 status = EFAULT; 12090 } else { 12091 *rval = MPTIOCTL_STATUS_GOOD; 12092 status = 0; 12093 } 12094 12095 return (status); 12096 } 12097 12098 /* 12099 * This routine handles the "event enable" ioctl. 12100 */ 12101 static int 12102 mptsas_event_enable(mptsas_t *mpt, mptsas_event_enable_t *data, int mode, 12103 int *rval) 12104 { 12105 int status; 12106 mptsas_event_enable_t driverdata; 12107 uint8_t i; 12108 12109 if (ddi_copyin(data, &driverdata, sizeof (driverdata), mode) == 0) { 12110 mutex_enter(&mpt->m_mutex); 12111 for (i = 0; i < 4; i++) { 12112 mpt->m_event_mask[i] = driverdata.Types[i]; 12113 } 12114 mutex_exit(&mpt->m_mutex); 12115 12116 *rval = MPTIOCTL_STATUS_GOOD; 12117 status = 0; 12118 } else { 12119 status = EFAULT; 12120 } 12121 return (status); 12122 } 12123 12124 /* 12125 * This routine handles the "event report" ioctl. 12126 */ 12127 static int 12128 mptsas_event_report(mptsas_t *mpt, mptsas_event_report_t *data, int mode, 12129 int *rval) 12130 { 12131 int status; 12132 mptsas_event_report_t driverdata; 12133 12134 mutex_enter(&mpt->m_mutex); 12135 12136 if (ddi_copyin(&data->Size, &driverdata.Size, sizeof (driverdata.Size), 12137 mode) == 0) { 12138 if (driverdata.Size >= sizeof (mpt->m_events)) { 12139 if (ddi_copyout(mpt->m_events, data->Events, 12140 sizeof (mpt->m_events), mode) != 0) { 12141 status = EFAULT; 12142 } else { 12143 if (driverdata.Size > sizeof (mpt->m_events)) { 12144 driverdata.Size = 12145 sizeof (mpt->m_events); 12146 if (ddi_copyout(&driverdata.Size, 12147 &data->Size, 12148 sizeof (driverdata.Size), 12149 mode) != 0) { 12150 status = EFAULT; 12151 } else { 12152 *rval = MPTIOCTL_STATUS_GOOD; 12153 status = 0; 12154 } 12155 } else { 12156 *rval = MPTIOCTL_STATUS_GOOD; 12157 status = 0; 12158 } 12159 } 12160 } else { 12161 *rval = MPTIOCTL_STATUS_LEN_TOO_SHORT; 12162 status = 0; 12163 } 12164 } else { 12165 status = EFAULT; 12166 } 12167 12168 mutex_exit(&mpt->m_mutex); 12169 return (status); 12170 } 12171 12172 static void 12173 mptsas_lookup_pci_data(mptsas_t *mpt, mptsas_adapter_data_t *adapter_data) 12174 { 12175 int *reg_data; 12176 uint_t reglen; 12177 12178 /* 12179 * Lookup the 'reg' property and extract the other data 12180 */ 12181 if (ddi_prop_lookup_int_array(DDI_DEV_T_ANY, mpt->m_dip, 12182 DDI_PROP_DONTPASS, "reg", ®_data, ®len) == 12183 DDI_PROP_SUCCESS) { 12184 /* 12185 * Extract the PCI data from the 'reg' property first DWORD. 12186 * The entry looks like the following: 12187 * First DWORD: 12188 * Bits 0 - 7 8-bit Register number 12189 * Bits 8 - 10 3-bit Function number 12190 * Bits 11 - 15 5-bit Device number 12191 * Bits 16 - 23 8-bit Bus number 12192 * Bits 24 - 25 2-bit Address Space type identifier 12193 * 12194 */ 12195 adapter_data->PciInformation.u.bits.BusNumber = 12196 (reg_data[0] & 0x00FF0000) >> 16; 12197 adapter_data->PciInformation.u.bits.DeviceNumber = 12198 (reg_data[0] & 0x0000F800) >> 11; 12199 adapter_data->PciInformation.u.bits.FunctionNumber = 12200 (reg_data[0] & 0x00000700) >> 8; 12201 ddi_prop_free((void *)reg_data); 12202 } else { 12203 /* 12204 * If we can't determine the PCI data then we fill in FF's for 12205 * the data to indicate this. 12206 */ 12207 adapter_data->PCIDeviceHwId = 0xFFFFFFFF; 12208 adapter_data->MpiPortNumber = 0xFFFFFFFF; 12209 adapter_data->PciInformation.u.AsDWORD = 0xFFFFFFFF; 12210 } 12211 12212 /* 12213 * Saved in the mpt->m_fwversion 12214 */ 12215 adapter_data->MpiFirmwareVersion = mpt->m_fwversion; 12216 } 12217 12218 static void 12219 mptsas_read_adapter_data(mptsas_t *mpt, mptsas_adapter_data_t *adapter_data) 12220 { 12221 char *driver_verstr = MPTSAS_MOD_STRING; 12222 12223 mptsas_lookup_pci_data(mpt, adapter_data); 12224 adapter_data->AdapterType = mpt->m_MPI25 ? 12225 MPTIOCTL_ADAPTER_TYPE_SAS3 : 12226 MPTIOCTL_ADAPTER_TYPE_SAS2; 12227 adapter_data->PCIDeviceHwId = (uint32_t)mpt->m_devid; 12228 adapter_data->PCIDeviceHwRev = (uint32_t)mpt->m_revid; 12229 adapter_data->SubSystemId = (uint32_t)mpt->m_ssid; 12230 adapter_data->SubsystemVendorId = (uint32_t)mpt->m_svid; 12231 (void) strcpy((char *)&adapter_data->DriverVersion[0], driver_verstr); 12232 adapter_data->BiosVersion = 0; 12233 (void) mptsas_get_bios_page3(mpt, &adapter_data->BiosVersion); 12234 } 12235 12236 static void 12237 mptsas_read_pci_info(mptsas_t *mpt, mptsas_pci_info_t *pci_info) 12238 { 12239 int *reg_data, i; 12240 uint_t reglen; 12241 12242 /* 12243 * Lookup the 'reg' property and extract the other data 12244 */ 12245 if (ddi_prop_lookup_int_array(DDI_DEV_T_ANY, mpt->m_dip, 12246 DDI_PROP_DONTPASS, "reg", ®_data, ®len) == 12247 DDI_PROP_SUCCESS) { 12248 /* 12249 * Extract the PCI data from the 'reg' property first DWORD. 12250 * The entry looks like the following: 12251 * First DWORD: 12252 * Bits 8 - 10 3-bit Function number 12253 * Bits 11 - 15 5-bit Device number 12254 * Bits 16 - 23 8-bit Bus number 12255 */ 12256 pci_info->BusNumber = (reg_data[0] & 0x00FF0000) >> 16; 12257 pci_info->DeviceNumber = (reg_data[0] & 0x0000F800) >> 11; 12258 pci_info->FunctionNumber = (reg_data[0] & 0x00000700) >> 8; 12259 ddi_prop_free((void *)reg_data); 12260 } else { 12261 /* 12262 * If we can't determine the PCI info then we fill in FF's for 12263 * the data to indicate this. 12264 */ 12265 pci_info->BusNumber = 0xFFFFFFFF; 12266 pci_info->DeviceNumber = 0xFF; 12267 pci_info->FunctionNumber = 0xFF; 12268 } 12269 12270 /* 12271 * Now get the interrupt vector and the pci header. The vector can 12272 * only be 0 right now. The header is the first 256 bytes of config 12273 * space. 12274 */ 12275 pci_info->InterruptVector = 0; 12276 for (i = 0; i < sizeof (pci_info->PciHeader); i++) { 12277 pci_info->PciHeader[i] = pci_config_get8(mpt->m_config_handle, 12278 i); 12279 } 12280 } 12281 12282 static int 12283 mptsas_reg_access(mptsas_t *mpt, mptsas_reg_access_t *data, int mode) 12284 { 12285 int status = 0; 12286 mptsas_reg_access_t driverdata; 12287 12288 mutex_enter(&mpt->m_mutex); 12289 if (ddi_copyin(data, &driverdata, sizeof (driverdata), mode) == 0) { 12290 switch (driverdata.Command) { 12291 /* 12292 * IO access is not supported. 12293 */ 12294 case REG_IO_READ: 12295 case REG_IO_WRITE: 12296 mptsas_log(mpt, CE_WARN, "IO access is not " 12297 "supported. Use memory access."); 12298 status = EINVAL; 12299 break; 12300 12301 case REG_MEM_READ: 12302 driverdata.RegData = ddi_get32(mpt->m_datap, 12303 (uint32_t *)(void *)mpt->m_reg + 12304 driverdata.RegOffset); 12305 if (ddi_copyout(&driverdata.RegData, 12306 &data->RegData, 12307 sizeof (driverdata.RegData), mode) != 0) { 12308 mptsas_log(mpt, CE_WARN, "Register " 12309 "Read Failed"); 12310 status = EFAULT; 12311 } 12312 break; 12313 12314 case REG_MEM_WRITE: 12315 ddi_put32(mpt->m_datap, 12316 (uint32_t *)(void *)mpt->m_reg + 12317 driverdata.RegOffset, 12318 driverdata.RegData); 12319 break; 12320 12321 default: 12322 status = EINVAL; 12323 break; 12324 } 12325 } else { 12326 status = EFAULT; 12327 } 12328 12329 mutex_exit(&mpt->m_mutex); 12330 return (status); 12331 } 12332 12333 static int 12334 led_control(mptsas_t *mpt, intptr_t data, int mode) 12335 { 12336 int ret = 0; 12337 mptsas_led_control_t lc; 12338 mptsas_target_t *ptgt; 12339 12340 if (ddi_copyin((void *)data, &lc, sizeof (lc), mode) != 0) { 12341 return (EFAULT); 12342 } 12343 12344 if ((lc.Command != MPTSAS_LEDCTL_FLAG_SET && 12345 lc.Command != MPTSAS_LEDCTL_FLAG_GET) || 12346 lc.Led < MPTSAS_LEDCTL_LED_MIN || 12347 lc.Led > MPTSAS_LEDCTL_LED_MAX || 12348 (lc.Command == MPTSAS_LEDCTL_FLAG_SET && lc.LedStatus != 0 && 12349 lc.LedStatus != 1)) { 12350 return (EINVAL); 12351 } 12352 12353 if ((lc.Command == MPTSAS_LEDCTL_FLAG_SET && (mode & FWRITE) == 0) || 12354 (lc.Command == MPTSAS_LEDCTL_FLAG_GET && (mode & FREAD) == 0)) 12355 return (EACCES); 12356 12357 /* Locate the target we're interrogating... */ 12358 mutex_enter(&mpt->m_mutex); 12359 ptgt = refhash_linear_search(mpt->m_targets, 12360 mptsas_target_eval_slot, &lc); 12361 if (ptgt == NULL) { 12362 /* We could not find a target for that enclosure/slot. */ 12363 mutex_exit(&mpt->m_mutex); 12364 return (ENOENT); 12365 } 12366 12367 if (lc.Command == MPTSAS_LEDCTL_FLAG_SET) { 12368 /* Update our internal LED state. */ 12369 ptgt->m_led_status &= ~(1 << (lc.Led - 1)); 12370 ptgt->m_led_status |= lc.LedStatus << (lc.Led - 1); 12371 12372 /* Flush it to the controller. */ 12373 ret = mptsas_flush_led_status(mpt, ptgt); 12374 mutex_exit(&mpt->m_mutex); 12375 return (ret); 12376 } 12377 12378 /* Return our internal LED state. */ 12379 lc.LedStatus = (ptgt->m_led_status >> (lc.Led - 1)) & 1; 12380 mutex_exit(&mpt->m_mutex); 12381 12382 if (ddi_copyout(&lc, (void *)data, sizeof (lc), mode) != 0) { 12383 return (EFAULT); 12384 } 12385 12386 return (0); 12387 } 12388 12389 static int 12390 get_disk_info(mptsas_t *mpt, intptr_t data, int mode) 12391 { 12392 uint16_t i = 0; 12393 uint16_t count = 0; 12394 int ret = 0; 12395 mptsas_target_t *ptgt; 12396 mptsas_disk_info_t *di; 12397 STRUCT_DECL(mptsas_get_disk_info, gdi); 12398 12399 if ((mode & FREAD) == 0) 12400 return (EACCES); 12401 12402 STRUCT_INIT(gdi, get_udatamodel()); 12403 12404 if (ddi_copyin((void *)data, STRUCT_BUF(gdi), STRUCT_SIZE(gdi), 12405 mode) != 0) { 12406 return (EFAULT); 12407 } 12408 12409 /* Find out how many targets there are. */ 12410 mutex_enter(&mpt->m_mutex); 12411 for (ptgt = refhash_first(mpt->m_targets); ptgt != NULL; 12412 ptgt = refhash_next(mpt->m_targets, ptgt)) { 12413 count++; 12414 } 12415 mutex_exit(&mpt->m_mutex); 12416 12417 /* 12418 * If we haven't been asked to copy out information on each target, 12419 * then just return the count. 12420 */ 12421 STRUCT_FSET(gdi, DiskCount, count); 12422 if (STRUCT_FGETP(gdi, PtrDiskInfoArray) == NULL) 12423 goto copy_out; 12424 12425 /* 12426 * If we haven't been given a large enough buffer to copy out into, 12427 * let the caller know. 12428 */ 12429 if (STRUCT_FGET(gdi, DiskInfoArraySize) < 12430 count * sizeof (mptsas_disk_info_t)) { 12431 ret = ENOSPC; 12432 goto copy_out; 12433 } 12434 12435 di = kmem_zalloc(count * sizeof (mptsas_disk_info_t), KM_SLEEP); 12436 12437 mutex_enter(&mpt->m_mutex); 12438 for (ptgt = refhash_first(mpt->m_targets); ptgt != NULL; 12439 ptgt = refhash_next(mpt->m_targets, ptgt)) { 12440 if (i >= count) { 12441 /* 12442 * The number of targets changed while we weren't 12443 * looking, so give up. 12444 */ 12445 refhash_rele(mpt->m_targets, ptgt); 12446 mutex_exit(&mpt->m_mutex); 12447 kmem_free(di, count * sizeof (mptsas_disk_info_t)); 12448 return (EAGAIN); 12449 } 12450 di[i].Instance = mpt->m_instance; 12451 di[i].Enclosure = ptgt->m_enclosure; 12452 di[i].Slot = ptgt->m_slot_num; 12453 di[i].SasAddress = ptgt->m_addr.mta_wwn; 12454 i++; 12455 } 12456 mutex_exit(&mpt->m_mutex); 12457 STRUCT_FSET(gdi, DiskCount, i); 12458 12459 /* Copy out the disk information to the caller. */ 12460 if (ddi_copyout((void *)di, STRUCT_FGETP(gdi, PtrDiskInfoArray), 12461 i * sizeof (mptsas_disk_info_t), mode) != 0) { 12462 ret = EFAULT; 12463 } 12464 12465 kmem_free(di, count * sizeof (mptsas_disk_info_t)); 12466 12467 copy_out: 12468 if (ddi_copyout(STRUCT_BUF(gdi), (void *)data, STRUCT_SIZE(gdi), 12469 mode) != 0) { 12470 ret = EFAULT; 12471 } 12472 12473 return (ret); 12474 } 12475 12476 static int 12477 mptsas_ioctl(dev_t dev, int cmd, intptr_t data, int mode, cred_t *credp, 12478 int *rval) 12479 { 12480 int status = 0; 12481 mptsas_t *mpt; 12482 mptsas_update_flash_t flashdata; 12483 mptsas_pass_thru_t passthru_data; 12484 mptsas_adapter_data_t adapter_data; 12485 mptsas_pci_info_t pci_info; 12486 int copylen; 12487 12488 int iport_flag = 0; 12489 dev_info_t *dip = NULL; 12490 mptsas_phymask_t phymask = 0; 12491 struct devctl_iocdata *dcp = NULL; 12492 char *addr = NULL; 12493 mptsas_target_t *ptgt = NULL; 12494 12495 *rval = MPTIOCTL_STATUS_GOOD; 12496 if (secpolicy_sys_config(credp, B_FALSE) != 0) { 12497 return (EPERM); 12498 } 12499 12500 mpt = ddi_get_soft_state(mptsas_state, MINOR2INST(getminor(dev))); 12501 if (mpt == NULL) { 12502 /* 12503 * Called from iport node, get the states 12504 */ 12505 iport_flag = 1; 12506 dip = mptsas_get_dip_from_dev(dev, &phymask); 12507 if (dip == NULL) { 12508 return (ENXIO); 12509 } 12510 mpt = DIP2MPT(dip); 12511 } 12512 /* Make sure power level is D0 before accessing registers */ 12513 mutex_enter(&mpt->m_mutex); 12514 if (mpt->m_options & MPTSAS_OPT_PM) { 12515 (void) pm_busy_component(mpt->m_dip, 0); 12516 if (mpt->m_power_level != PM_LEVEL_D0) { 12517 mutex_exit(&mpt->m_mutex); 12518 if (pm_raise_power(mpt->m_dip, 0, PM_LEVEL_D0) != 12519 DDI_SUCCESS) { 12520 mptsas_log(mpt, CE_WARN, 12521 "mptsas%d: mptsas_ioctl: Raise power " 12522 "request failed.", mpt->m_instance); 12523 (void) pm_idle_component(mpt->m_dip, 0); 12524 return (ENXIO); 12525 } 12526 } else { 12527 mutex_exit(&mpt->m_mutex); 12528 } 12529 } else { 12530 mutex_exit(&mpt->m_mutex); 12531 } 12532 12533 if (iport_flag) { 12534 status = scsi_hba_ioctl(dev, cmd, data, mode, credp, rval); 12535 if (status != 0) { 12536 goto out; 12537 } 12538 /* 12539 * The following code control the OK2RM LED, it doesn't affect 12540 * the ioctl return status. 12541 */ 12542 if ((cmd == DEVCTL_DEVICE_ONLINE) || 12543 (cmd == DEVCTL_DEVICE_OFFLINE)) { 12544 if (ndi_dc_allochdl((void *)data, &dcp) != 12545 NDI_SUCCESS) { 12546 goto out; 12547 } 12548 addr = ndi_dc_getaddr(dcp); 12549 ptgt = mptsas_addr_to_ptgt(mpt, addr, phymask); 12550 if (ptgt == NULL) { 12551 NDBG14(("mptsas_ioctl led control: tgt %s not " 12552 "found", addr)); 12553 ndi_dc_freehdl(dcp); 12554 goto out; 12555 } 12556 mutex_enter(&mpt->m_mutex); 12557 if (cmd == DEVCTL_DEVICE_ONLINE) { 12558 ptgt->m_tgt_unconfigured = 0; 12559 } else if (cmd == DEVCTL_DEVICE_OFFLINE) { 12560 ptgt->m_tgt_unconfigured = 1; 12561 } 12562 if (cmd == DEVCTL_DEVICE_OFFLINE) { 12563 ptgt->m_led_status |= 12564 (1 << (MPTSAS_LEDCTL_LED_OK2RM - 1)); 12565 } else { 12566 ptgt->m_led_status &= 12567 ~(1 << (MPTSAS_LEDCTL_LED_OK2RM - 1)); 12568 } 12569 (void) mptsas_flush_led_status(mpt, ptgt); 12570 mutex_exit(&mpt->m_mutex); 12571 ndi_dc_freehdl(dcp); 12572 } 12573 goto out; 12574 } 12575 switch (cmd) { 12576 case MPTIOCTL_GET_DISK_INFO: 12577 status = get_disk_info(mpt, data, mode); 12578 break; 12579 case MPTIOCTL_LED_CONTROL: 12580 status = led_control(mpt, data, mode); 12581 break; 12582 case MPTIOCTL_UPDATE_FLASH: 12583 if (ddi_copyin((void *)data, &flashdata, 12584 sizeof (struct mptsas_update_flash), mode)) { 12585 status = EFAULT; 12586 break; 12587 } 12588 12589 mutex_enter(&mpt->m_mutex); 12590 if (mptsas_update_flash(mpt, 12591 (caddr_t)(long)flashdata.PtrBuffer, 12592 flashdata.ImageSize, flashdata.ImageType, mode)) { 12593 status = EFAULT; 12594 } 12595 12596 /* 12597 * Reset the chip to start using the new 12598 * firmware. Reset if failed also. 12599 */ 12600 mpt->m_softstate &= ~MPTSAS_SS_MSG_UNIT_RESET; 12601 if (mptsas_restart_ioc(mpt) == DDI_FAILURE) { 12602 status = EFAULT; 12603 } 12604 mutex_exit(&mpt->m_mutex); 12605 break; 12606 case MPTIOCTL_PASS_THRU: 12607 /* 12608 * The user has requested to pass through a command to 12609 * be executed by the MPT firmware. Call our routine 12610 * which does this. Only allow one passthru IOCTL at 12611 * one time. Other threads will block on 12612 * m_passthru_mutex, which is of adaptive variant. 12613 */ 12614 if (ddi_copyin((void *)data, &passthru_data, 12615 sizeof (mptsas_pass_thru_t), mode)) { 12616 status = EFAULT; 12617 break; 12618 } 12619 mutex_enter(&mpt->m_passthru_mutex); 12620 mutex_enter(&mpt->m_mutex); 12621 status = mptsas_pass_thru(mpt, &passthru_data, mode); 12622 mutex_exit(&mpt->m_mutex); 12623 mutex_exit(&mpt->m_passthru_mutex); 12624 12625 break; 12626 case MPTIOCTL_GET_ADAPTER_DATA: 12627 /* 12628 * The user has requested to read adapter data. Call 12629 * our routine which does this. 12630 */ 12631 bzero(&adapter_data, sizeof (mptsas_adapter_data_t)); 12632 if (ddi_copyin((void *)data, (void *)&adapter_data, 12633 sizeof (mptsas_adapter_data_t), mode)) { 12634 status = EFAULT; 12635 break; 12636 } 12637 if (adapter_data.StructureLength >= 12638 sizeof (mptsas_adapter_data_t)) { 12639 adapter_data.StructureLength = (uint32_t) 12640 sizeof (mptsas_adapter_data_t); 12641 copylen = sizeof (mptsas_adapter_data_t); 12642 mutex_enter(&mpt->m_mutex); 12643 mptsas_read_adapter_data(mpt, &adapter_data); 12644 mutex_exit(&mpt->m_mutex); 12645 } else { 12646 adapter_data.StructureLength = (uint32_t) 12647 sizeof (mptsas_adapter_data_t); 12648 copylen = sizeof (adapter_data.StructureLength); 12649 *rval = MPTIOCTL_STATUS_LEN_TOO_SHORT; 12650 } 12651 if (ddi_copyout((void *)(&adapter_data), (void *)data, 12652 copylen, mode) != 0) { 12653 status = EFAULT; 12654 } 12655 break; 12656 case MPTIOCTL_GET_PCI_INFO: 12657 /* 12658 * The user has requested to read pci info. Call 12659 * our routine which does this. 12660 */ 12661 bzero(&pci_info, sizeof (mptsas_pci_info_t)); 12662 mutex_enter(&mpt->m_mutex); 12663 mptsas_read_pci_info(mpt, &pci_info); 12664 mutex_exit(&mpt->m_mutex); 12665 if (ddi_copyout((void *)(&pci_info), (void *)data, 12666 sizeof (mptsas_pci_info_t), mode) != 0) { 12667 status = EFAULT; 12668 } 12669 break; 12670 case MPTIOCTL_RESET_ADAPTER: 12671 mutex_enter(&mpt->m_mutex); 12672 mpt->m_softstate &= ~MPTSAS_SS_MSG_UNIT_RESET; 12673 if ((mptsas_restart_ioc(mpt)) == DDI_FAILURE) { 12674 mptsas_log(mpt, CE_WARN, "reset adapter IOCTL " 12675 "failed"); 12676 status = EFAULT; 12677 } 12678 mutex_exit(&mpt->m_mutex); 12679 break; 12680 case MPTIOCTL_DIAG_ACTION: 12681 /* 12682 * The user has done a diag buffer action. Call our 12683 * routine which does this. Only allow one diag action 12684 * at one time. 12685 */ 12686 mutex_enter(&mpt->m_mutex); 12687 if (mpt->m_diag_action_in_progress) { 12688 mutex_exit(&mpt->m_mutex); 12689 return (EBUSY); 12690 } 12691 mpt->m_diag_action_in_progress = 1; 12692 status = mptsas_diag_action(mpt, 12693 (mptsas_diag_action_t *)data, mode); 12694 mpt->m_diag_action_in_progress = 0; 12695 mutex_exit(&mpt->m_mutex); 12696 break; 12697 case MPTIOCTL_EVENT_QUERY: 12698 /* 12699 * The user has done an event query. Call our routine 12700 * which does this. 12701 */ 12702 status = mptsas_event_query(mpt, 12703 (mptsas_event_query_t *)data, mode, rval); 12704 break; 12705 case MPTIOCTL_EVENT_ENABLE: 12706 /* 12707 * The user has done an event enable. Call our routine 12708 * which does this. 12709 */ 12710 status = mptsas_event_enable(mpt, 12711 (mptsas_event_enable_t *)data, mode, rval); 12712 break; 12713 case MPTIOCTL_EVENT_REPORT: 12714 /* 12715 * The user has done an event report. Call our routine 12716 * which does this. 12717 */ 12718 status = mptsas_event_report(mpt, 12719 (mptsas_event_report_t *)data, mode, rval); 12720 break; 12721 case MPTIOCTL_REG_ACCESS: 12722 /* 12723 * The user has requested register access. Call our 12724 * routine which does this. 12725 */ 12726 status = mptsas_reg_access(mpt, 12727 (mptsas_reg_access_t *)data, mode); 12728 break; 12729 default: 12730 status = scsi_hba_ioctl(dev, cmd, data, mode, credp, 12731 rval); 12732 break; 12733 } 12734 12735 out: 12736 return (status); 12737 } 12738 12739 int 12740 mptsas_restart_ioc(mptsas_t *mpt) 12741 { 12742 int rval = DDI_SUCCESS; 12743 mptsas_target_t *ptgt = NULL; 12744 12745 ASSERT(mutex_owned(&mpt->m_mutex)); 12746 12747 /* 12748 * Set a flag telling I/O path that we're processing a reset. This is 12749 * needed because after the reset is complete, the hash table still 12750 * needs to be rebuilt. If I/Os are started before the hash table is 12751 * rebuilt, I/O errors will occur. This flag allows I/Os to be marked 12752 * so that they can be retried. 12753 */ 12754 mpt->m_in_reset = TRUE; 12755 12756 /* 12757 * Set all throttles to HOLD 12758 */ 12759 for (ptgt = refhash_first(mpt->m_targets); ptgt != NULL; 12760 ptgt = refhash_next(mpt->m_targets, ptgt)) { 12761 mptsas_set_throttle(mpt, ptgt, HOLD_THROTTLE); 12762 } 12763 12764 /* 12765 * Disable interrupts 12766 */ 12767 MPTSAS_DISABLE_INTR(mpt); 12768 12769 /* 12770 * Abort all commands: outstanding commands, commands in waitq and 12771 * tx_waitq. 12772 */ 12773 mptsas_flush_hba(mpt); 12774 12775 /* 12776 * Reinitialize the chip. 12777 */ 12778 if (mptsas_init_chip(mpt, FALSE) == DDI_FAILURE) { 12779 rval = DDI_FAILURE; 12780 } 12781 12782 /* 12783 * Enable interrupts again 12784 */ 12785 MPTSAS_ENABLE_INTR(mpt); 12786 12787 /* 12788 * If mptsas_init_chip was successful, update the driver data. 12789 */ 12790 if (rval == DDI_SUCCESS) { 12791 mptsas_update_driver_data(mpt); 12792 } 12793 12794 /* 12795 * Reset the throttles 12796 */ 12797 for (ptgt = refhash_first(mpt->m_targets); ptgt != NULL; 12798 ptgt = refhash_next(mpt->m_targets, ptgt)) { 12799 mptsas_set_throttle(mpt, ptgt, MAX_THROTTLE); 12800 } 12801 12802 mptsas_doneq_empty(mpt); 12803 mptsas_restart_hba(mpt); 12804 12805 if (rval != DDI_SUCCESS) { 12806 mptsas_fm_ereport(mpt, DDI_FM_DEVICE_NO_RESPONSE); 12807 ddi_fm_service_impact(mpt->m_dip, DDI_SERVICE_LOST); 12808 } 12809 12810 /* 12811 * Clear the reset flag so that I/Os can continue. 12812 */ 12813 mpt->m_in_reset = FALSE; 12814 12815 return (rval); 12816 } 12817 12818 static int 12819 mptsas_init_chip(mptsas_t *mpt, int first_time) 12820 { 12821 ddi_dma_cookie_t cookie; 12822 uint32_t i; 12823 int rval; 12824 12825 /* 12826 * Check to see if the firmware image is valid 12827 */ 12828 if (ddi_get32(mpt->m_datap, &mpt->m_reg->HostDiagnostic) & 12829 MPI2_DIAG_FLASH_BAD_SIG) { 12830 mptsas_log(mpt, CE_WARN, "mptsas bad flash signature!"); 12831 goto fail; 12832 } 12833 12834 /* 12835 * Reset the chip 12836 */ 12837 rval = mptsas_ioc_reset(mpt, first_time); 12838 if (rval == MPTSAS_RESET_FAIL) { 12839 mptsas_log(mpt, CE_WARN, "hard reset failed!"); 12840 goto fail; 12841 } 12842 12843 if ((rval == MPTSAS_SUCCESS_MUR) && (!first_time)) { 12844 goto mur; 12845 } 12846 /* 12847 * Setup configuration space 12848 */ 12849 if (mptsas_config_space_init(mpt) == FALSE) { 12850 mptsas_log(mpt, CE_WARN, "mptsas_config_space_init " 12851 "failed!"); 12852 goto fail; 12853 } 12854 12855 /* 12856 * IOC facts can change after a diag reset so all buffers that are 12857 * based on these numbers must be de-allocated and re-allocated. Get 12858 * new IOC facts each time chip is initialized. 12859 */ 12860 if (mptsas_ioc_get_facts(mpt) == DDI_FAILURE) { 12861 mptsas_log(mpt, CE_WARN, "mptsas_ioc_get_facts failed"); 12862 goto fail; 12863 } 12864 12865 if (mptsas_alloc_active_slots(mpt, KM_SLEEP)) { 12866 goto fail; 12867 } 12868 /* 12869 * Allocate request message frames, reply free queue, reply descriptor 12870 * post queue, and reply message frames using latest IOC facts. 12871 */ 12872 if (mptsas_alloc_request_frames(mpt) == DDI_FAILURE) { 12873 mptsas_log(mpt, CE_WARN, "mptsas_alloc_request_frames failed"); 12874 goto fail; 12875 } 12876 if (mptsas_alloc_sense_bufs(mpt) == DDI_FAILURE) { 12877 mptsas_log(mpt, CE_WARN, "mptsas_alloc_sense_bufs failed"); 12878 goto fail; 12879 } 12880 if (mptsas_alloc_free_queue(mpt) == DDI_FAILURE) { 12881 mptsas_log(mpt, CE_WARN, "mptsas_alloc_free_queue failed!"); 12882 goto fail; 12883 } 12884 if (mptsas_alloc_post_queue(mpt) == DDI_FAILURE) { 12885 mptsas_log(mpt, CE_WARN, "mptsas_alloc_post_queue failed!"); 12886 goto fail; 12887 } 12888 if (mptsas_alloc_reply_frames(mpt) == DDI_FAILURE) { 12889 mptsas_log(mpt, CE_WARN, "mptsas_alloc_reply_frames failed!"); 12890 goto fail; 12891 } 12892 12893 mur: 12894 /* 12895 * Re-Initialize ioc to operational state 12896 */ 12897 if (mptsas_ioc_init(mpt) == DDI_FAILURE) { 12898 mptsas_log(mpt, CE_WARN, "mptsas_ioc_init failed"); 12899 goto fail; 12900 } 12901 12902 mptsas_alloc_reply_args(mpt); 12903 12904 /* 12905 * Initialize reply post index. Reply free index is initialized after 12906 * the next loop. 12907 */ 12908 mpt->m_post_index = 0; 12909 12910 /* 12911 * Initialize the Reply Free Queue with the physical addresses of our 12912 * reply frames. 12913 */ 12914 cookie.dmac_address = mpt->m_reply_frame_dma_addr & 0xffffffffu; 12915 for (i = 0; i < mpt->m_max_replies; i++) { 12916 ddi_put32(mpt->m_acc_free_queue_hdl, 12917 &((uint32_t *)(void *)mpt->m_free_queue)[i], 12918 cookie.dmac_address); 12919 cookie.dmac_address += mpt->m_reply_frame_size; 12920 } 12921 (void) ddi_dma_sync(mpt->m_dma_free_queue_hdl, 0, 0, 12922 DDI_DMA_SYNC_FORDEV); 12923 12924 /* 12925 * Initialize the reply free index to one past the last frame on the 12926 * queue. This will signify that the queue is empty to start with. 12927 */ 12928 mpt->m_free_index = i; 12929 ddi_put32(mpt->m_datap, &mpt->m_reg->ReplyFreeHostIndex, i); 12930 12931 /* 12932 * Initialize the reply post queue to 0xFFFFFFFF,0xFFFFFFFF's. 12933 */ 12934 for (i = 0; i < mpt->m_post_queue_depth; i++) { 12935 ddi_put64(mpt->m_acc_post_queue_hdl, 12936 &((uint64_t *)(void *)mpt->m_post_queue)[i], 12937 0xFFFFFFFFFFFFFFFF); 12938 } 12939 (void) ddi_dma_sync(mpt->m_dma_post_queue_hdl, 0, 0, 12940 DDI_DMA_SYNC_FORDEV); 12941 12942 /* 12943 * Enable ports 12944 */ 12945 if (mptsas_ioc_enable_port(mpt) == DDI_FAILURE) { 12946 mptsas_log(mpt, CE_WARN, "mptsas_ioc_enable_port failed"); 12947 goto fail; 12948 } 12949 12950 /* 12951 * enable events 12952 */ 12953 if (mptsas_ioc_enable_event_notification(mpt)) { 12954 mptsas_log(mpt, CE_WARN, 12955 "mptsas_ioc_enable_event_notification failed"); 12956 goto fail; 12957 } 12958 12959 /* 12960 * We need checks in attach and these. 12961 * chip_init is called in mult. places 12962 */ 12963 12964 if ((mptsas_check_dma_handle(mpt->m_dma_req_frame_hdl) != 12965 DDI_SUCCESS) || 12966 (mptsas_check_dma_handle(mpt->m_dma_req_sense_hdl) != 12967 DDI_SUCCESS) || 12968 (mptsas_check_dma_handle(mpt->m_dma_reply_frame_hdl) != 12969 DDI_SUCCESS) || 12970 (mptsas_check_dma_handle(mpt->m_dma_free_queue_hdl) != 12971 DDI_SUCCESS) || 12972 (mptsas_check_dma_handle(mpt->m_dma_post_queue_hdl) != 12973 DDI_SUCCESS) || 12974 (mptsas_check_dma_handle(mpt->m_hshk_dma_hdl) != 12975 DDI_SUCCESS)) { 12976 ddi_fm_service_impact(mpt->m_dip, DDI_SERVICE_UNAFFECTED); 12977 goto fail; 12978 } 12979 12980 /* Check all acc handles */ 12981 if ((mptsas_check_acc_handle(mpt->m_datap) != DDI_SUCCESS) || 12982 (mptsas_check_acc_handle(mpt->m_acc_req_frame_hdl) != 12983 DDI_SUCCESS) || 12984 (mptsas_check_acc_handle(mpt->m_acc_req_sense_hdl) != 12985 DDI_SUCCESS) || 12986 (mptsas_check_acc_handle(mpt->m_acc_reply_frame_hdl) != 12987 DDI_SUCCESS) || 12988 (mptsas_check_acc_handle(mpt->m_acc_free_queue_hdl) != 12989 DDI_SUCCESS) || 12990 (mptsas_check_acc_handle(mpt->m_acc_post_queue_hdl) != 12991 DDI_SUCCESS) || 12992 (mptsas_check_acc_handle(mpt->m_hshk_acc_hdl) != 12993 DDI_SUCCESS) || 12994 (mptsas_check_acc_handle(mpt->m_config_handle) != 12995 DDI_SUCCESS)) { 12996 ddi_fm_service_impact(mpt->m_dip, DDI_SERVICE_UNAFFECTED); 12997 goto fail; 12998 } 12999 13000 return (DDI_SUCCESS); 13001 13002 fail: 13003 return (DDI_FAILURE); 13004 } 13005 13006 static int 13007 mptsas_get_pci_cap(mptsas_t *mpt) 13008 { 13009 ushort_t caps_ptr, cap, cap_count; 13010 13011 if (mpt->m_config_handle == NULL) 13012 return (FALSE); 13013 /* 13014 * Check if capabilities list is supported and if so, 13015 * get initial capabilities pointer and clear bits 0,1. 13016 */ 13017 if (pci_config_get16(mpt->m_config_handle, PCI_CONF_STAT) 13018 & PCI_STAT_CAP) { 13019 caps_ptr = P2ALIGN(pci_config_get8(mpt->m_config_handle, 13020 PCI_CONF_CAP_PTR), 4); 13021 } else { 13022 caps_ptr = PCI_CAP_NEXT_PTR_NULL; 13023 } 13024 13025 /* 13026 * Walk capabilities if supported. 13027 */ 13028 for (cap_count = 0; caps_ptr != PCI_CAP_NEXT_PTR_NULL; ) { 13029 13030 /* 13031 * Check that we haven't exceeded the maximum number of 13032 * capabilities and that the pointer is in a valid range. 13033 */ 13034 if (++cap_count > 48) { 13035 mptsas_log(mpt, CE_WARN, 13036 "too many device capabilities.\n"); 13037 break; 13038 } 13039 if (caps_ptr < 64) { 13040 mptsas_log(mpt, CE_WARN, 13041 "capabilities pointer 0x%x out of range.\n", 13042 caps_ptr); 13043 break; 13044 } 13045 13046 /* 13047 * Get next capability and check that it is valid. 13048 * For now, we only support power management. 13049 */ 13050 cap = pci_config_get8(mpt->m_config_handle, caps_ptr); 13051 switch (cap) { 13052 case PCI_CAP_ID_PM: 13053 mptsas_log(mpt, CE_NOTE, 13054 "?mptsas%d supports power management.\n", 13055 mpt->m_instance); 13056 mpt->m_options |= MPTSAS_OPT_PM; 13057 13058 /* Save PMCSR offset */ 13059 mpt->m_pmcsr_offset = caps_ptr + PCI_PMCSR; 13060 break; 13061 /* 13062 * The following capabilities are valid. Any others 13063 * will cause a message to be logged. 13064 */ 13065 case PCI_CAP_ID_VPD: 13066 case PCI_CAP_ID_MSI: 13067 case PCI_CAP_ID_PCIX: 13068 case PCI_CAP_ID_PCI_E: 13069 case PCI_CAP_ID_MSI_X: 13070 break; 13071 default: 13072 mptsas_log(mpt, CE_NOTE, 13073 "?mptsas%d unrecognized capability " 13074 "0x%x.\n", mpt->m_instance, cap); 13075 break; 13076 } 13077 13078 /* 13079 * Get next capabilities pointer and clear bits 0,1. 13080 */ 13081 caps_ptr = P2ALIGN(pci_config_get8(mpt->m_config_handle, 13082 (caps_ptr + PCI_CAP_NEXT_PTR)), 4); 13083 } 13084 return (TRUE); 13085 } 13086 13087 static int 13088 mptsas_init_pm(mptsas_t *mpt) 13089 { 13090 char pmc_name[16]; 13091 char *pmc[] = { 13092 NULL, 13093 "0=Off (PCI D3 State)", 13094 "3=On (PCI D0 State)", 13095 NULL 13096 }; 13097 uint16_t pmcsr_stat; 13098 13099 if (mptsas_get_pci_cap(mpt) == FALSE) { 13100 return (DDI_FAILURE); 13101 } 13102 /* 13103 * If PCI's capability does not support PM, then don't need 13104 * to registe the pm-components 13105 */ 13106 if (!(mpt->m_options & MPTSAS_OPT_PM)) 13107 return (DDI_SUCCESS); 13108 /* 13109 * If power management is supported by this chip, create 13110 * pm-components property for the power management framework 13111 */ 13112 (void) sprintf(pmc_name, "NAME=mptsas%d", mpt->m_instance); 13113 pmc[0] = pmc_name; 13114 if (ddi_prop_update_string_array(DDI_DEV_T_NONE, mpt->m_dip, 13115 "pm-components", pmc, 3) != DDI_PROP_SUCCESS) { 13116 mpt->m_options &= ~MPTSAS_OPT_PM; 13117 mptsas_log(mpt, CE_WARN, 13118 "mptsas%d: pm-component property creation failed.", 13119 mpt->m_instance); 13120 return (DDI_FAILURE); 13121 } 13122 13123 /* 13124 * Power on device. 13125 */ 13126 (void) pm_busy_component(mpt->m_dip, 0); 13127 pmcsr_stat = pci_config_get16(mpt->m_config_handle, 13128 mpt->m_pmcsr_offset); 13129 if ((pmcsr_stat & PCI_PMCSR_STATE_MASK) != PCI_PMCSR_D0) { 13130 mptsas_log(mpt, CE_WARN, "mptsas%d: Power up the device", 13131 mpt->m_instance); 13132 pci_config_put16(mpt->m_config_handle, mpt->m_pmcsr_offset, 13133 PCI_PMCSR_D0); 13134 } 13135 if (pm_power_has_changed(mpt->m_dip, 0, PM_LEVEL_D0) != DDI_SUCCESS) { 13136 mptsas_log(mpt, CE_WARN, "pm_power_has_changed failed"); 13137 return (DDI_FAILURE); 13138 } 13139 mpt->m_power_level = PM_LEVEL_D0; 13140 /* 13141 * Set pm idle delay. 13142 */ 13143 mpt->m_pm_idle_delay = ddi_prop_get_int(DDI_DEV_T_ANY, 13144 mpt->m_dip, 0, "mptsas-pm-idle-delay", MPTSAS_PM_IDLE_TIMEOUT); 13145 13146 return (DDI_SUCCESS); 13147 } 13148 13149 static int 13150 mptsas_register_intrs(mptsas_t *mpt) 13151 { 13152 dev_info_t *dip; 13153 int intr_types; 13154 13155 dip = mpt->m_dip; 13156 13157 /* Get supported interrupt types */ 13158 if (ddi_intr_get_supported_types(dip, &intr_types) != DDI_SUCCESS) { 13159 mptsas_log(mpt, CE_WARN, "ddi_intr_get_supported_types " 13160 "failed\n"); 13161 return (FALSE); 13162 } 13163 13164 NDBG6(("ddi_intr_get_supported_types() returned: 0x%x", intr_types)); 13165 13166 /* 13167 * Try MSI, but fall back to FIXED 13168 */ 13169 if (mptsas_enable_msi && (intr_types & DDI_INTR_TYPE_MSI)) { 13170 if (mptsas_add_intrs(mpt, DDI_INTR_TYPE_MSI) == DDI_SUCCESS) { 13171 NDBG0(("Using MSI interrupt type")); 13172 mpt->m_intr_type = DDI_INTR_TYPE_MSI; 13173 return (TRUE); 13174 } 13175 } 13176 if (intr_types & DDI_INTR_TYPE_FIXED) { 13177 if (mptsas_add_intrs(mpt, DDI_INTR_TYPE_FIXED) == DDI_SUCCESS) { 13178 NDBG0(("Using FIXED interrupt type")); 13179 mpt->m_intr_type = DDI_INTR_TYPE_FIXED; 13180 return (TRUE); 13181 } else { 13182 NDBG0(("FIXED interrupt registration failed")); 13183 return (FALSE); 13184 } 13185 } 13186 13187 return (FALSE); 13188 } 13189 13190 static void 13191 mptsas_unregister_intrs(mptsas_t *mpt) 13192 { 13193 mptsas_rem_intrs(mpt); 13194 } 13195 13196 /* 13197 * mptsas_add_intrs: 13198 * 13199 * Register FIXED or MSI interrupts. 13200 */ 13201 static int 13202 mptsas_add_intrs(mptsas_t *mpt, int intr_type) 13203 { 13204 dev_info_t *dip = mpt->m_dip; 13205 int avail, actual, count = 0; 13206 int i, flag, ret; 13207 13208 NDBG6(("mptsas_add_intrs:interrupt type 0x%x", intr_type)); 13209 13210 /* Get number of interrupts */ 13211 ret = ddi_intr_get_nintrs(dip, intr_type, &count); 13212 if ((ret != DDI_SUCCESS) || (count <= 0)) { 13213 mptsas_log(mpt, CE_WARN, "ddi_intr_get_nintrs() failed, " 13214 "ret %d count %d\n", ret, count); 13215 13216 return (DDI_FAILURE); 13217 } 13218 13219 /* Get number of available interrupts */ 13220 ret = ddi_intr_get_navail(dip, intr_type, &avail); 13221 if ((ret != DDI_SUCCESS) || (avail == 0)) { 13222 mptsas_log(mpt, CE_WARN, "ddi_intr_get_navail() failed, " 13223 "ret %d avail %d\n", ret, avail); 13224 13225 return (DDI_FAILURE); 13226 } 13227 13228 if (avail < count) { 13229 mptsas_log(mpt, CE_NOTE, "ddi_intr_get_nvail returned %d, " 13230 "navail() returned %d", count, avail); 13231 } 13232 13233 /* Mpt only have one interrupt routine */ 13234 if ((intr_type == DDI_INTR_TYPE_MSI) && (count > 1)) { 13235 count = 1; 13236 } 13237 13238 /* Allocate an array of interrupt handles */ 13239 mpt->m_intr_size = count * sizeof (ddi_intr_handle_t); 13240 mpt->m_htable = kmem_alloc(mpt->m_intr_size, KM_SLEEP); 13241 13242 flag = DDI_INTR_ALLOC_NORMAL; 13243 13244 /* call ddi_intr_alloc() */ 13245 ret = ddi_intr_alloc(dip, mpt->m_htable, intr_type, 0, 13246 count, &actual, flag); 13247 13248 if ((ret != DDI_SUCCESS) || (actual == 0)) { 13249 mptsas_log(mpt, CE_WARN, "ddi_intr_alloc() failed, ret %d\n", 13250 ret); 13251 kmem_free(mpt->m_htable, mpt->m_intr_size); 13252 return (DDI_FAILURE); 13253 } 13254 13255 /* use interrupt count returned or abort? */ 13256 if (actual < count) { 13257 mptsas_log(mpt, CE_NOTE, "Requested: %d, Received: %d\n", 13258 count, actual); 13259 } 13260 13261 mpt->m_intr_cnt = actual; 13262 13263 /* 13264 * Get priority for first msi, assume remaining are all the same 13265 */ 13266 if ((ret = ddi_intr_get_pri(mpt->m_htable[0], 13267 &mpt->m_intr_pri)) != DDI_SUCCESS) { 13268 mptsas_log(mpt, CE_WARN, "ddi_intr_get_pri() failed %d\n", ret); 13269 13270 /* Free already allocated intr */ 13271 for (i = 0; i < actual; i++) { 13272 (void) ddi_intr_free(mpt->m_htable[i]); 13273 } 13274 13275 kmem_free(mpt->m_htable, mpt->m_intr_size); 13276 return (DDI_FAILURE); 13277 } 13278 13279 /* Test for high level mutex */ 13280 if (mpt->m_intr_pri >= ddi_intr_get_hilevel_pri()) { 13281 mptsas_log(mpt, CE_WARN, "mptsas_add_intrs: " 13282 "Hi level interrupt not supported\n"); 13283 13284 /* Free already allocated intr */ 13285 for (i = 0; i < actual; i++) { 13286 (void) ddi_intr_free(mpt->m_htable[i]); 13287 } 13288 13289 kmem_free(mpt->m_htable, mpt->m_intr_size); 13290 return (DDI_FAILURE); 13291 } 13292 13293 /* Call ddi_intr_add_handler() */ 13294 for (i = 0; i < actual; i++) { 13295 if ((ret = ddi_intr_add_handler(mpt->m_htable[i], mptsas_intr, 13296 (caddr_t)mpt, (caddr_t)(uintptr_t)i)) != DDI_SUCCESS) { 13297 mptsas_log(mpt, CE_WARN, "ddi_intr_add_handler() " 13298 "failed %d\n", ret); 13299 13300 /* Free already allocated intr */ 13301 for (i = 0; i < actual; i++) { 13302 (void) ddi_intr_free(mpt->m_htable[i]); 13303 } 13304 13305 kmem_free(mpt->m_htable, mpt->m_intr_size); 13306 return (DDI_FAILURE); 13307 } 13308 } 13309 13310 if ((ret = ddi_intr_get_cap(mpt->m_htable[0], &mpt->m_intr_cap)) 13311 != DDI_SUCCESS) { 13312 mptsas_log(mpt, CE_WARN, "ddi_intr_get_cap() failed %d\n", ret); 13313 13314 /* Free already allocated intr */ 13315 for (i = 0; i < actual; i++) { 13316 (void) ddi_intr_free(mpt->m_htable[i]); 13317 } 13318 13319 kmem_free(mpt->m_htable, mpt->m_intr_size); 13320 return (DDI_FAILURE); 13321 } 13322 13323 /* 13324 * Enable interrupts 13325 */ 13326 if (mpt->m_intr_cap & DDI_INTR_FLAG_BLOCK) { 13327 /* Call ddi_intr_block_enable() for MSI interrupts */ 13328 (void) ddi_intr_block_enable(mpt->m_htable, mpt->m_intr_cnt); 13329 } else { 13330 /* Call ddi_intr_enable for MSI or FIXED interrupts */ 13331 for (i = 0; i < mpt->m_intr_cnt; i++) { 13332 (void) ddi_intr_enable(mpt->m_htable[i]); 13333 } 13334 } 13335 return (DDI_SUCCESS); 13336 } 13337 13338 /* 13339 * mptsas_rem_intrs: 13340 * 13341 * Unregister FIXED or MSI interrupts 13342 */ 13343 static void 13344 mptsas_rem_intrs(mptsas_t *mpt) 13345 { 13346 int i; 13347 13348 NDBG6(("mptsas_rem_intrs")); 13349 13350 /* Disable all interrupts */ 13351 if (mpt->m_intr_cap & DDI_INTR_FLAG_BLOCK) { 13352 /* Call ddi_intr_block_disable() */ 13353 (void) ddi_intr_block_disable(mpt->m_htable, mpt->m_intr_cnt); 13354 } else { 13355 for (i = 0; i < mpt->m_intr_cnt; i++) { 13356 (void) ddi_intr_disable(mpt->m_htable[i]); 13357 } 13358 } 13359 13360 /* Call ddi_intr_remove_handler() */ 13361 for (i = 0; i < mpt->m_intr_cnt; i++) { 13362 (void) ddi_intr_remove_handler(mpt->m_htable[i]); 13363 (void) ddi_intr_free(mpt->m_htable[i]); 13364 } 13365 13366 kmem_free(mpt->m_htable, mpt->m_intr_size); 13367 } 13368 13369 /* 13370 * The IO fault service error handling callback function 13371 */ 13372 /*ARGSUSED*/ 13373 static int 13374 mptsas_fm_error_cb(dev_info_t *dip, ddi_fm_error_t *err, const void *impl_data) 13375 { 13376 /* 13377 * as the driver can always deal with an error in any dma or 13378 * access handle, we can just return the fme_status value. 13379 */ 13380 pci_ereport_post(dip, err, NULL); 13381 return (err->fme_status); 13382 } 13383 13384 /* 13385 * mptsas_fm_init - initialize fma capabilities and register with IO 13386 * fault services. 13387 */ 13388 static void 13389 mptsas_fm_init(mptsas_t *mpt) 13390 { 13391 /* 13392 * Need to change iblock to priority for new MSI intr 13393 */ 13394 ddi_iblock_cookie_t fm_ibc; 13395 13396 /* Only register with IO Fault Services if we have some capability */ 13397 if (mpt->m_fm_capabilities) { 13398 /* Adjust access and dma attributes for FMA */ 13399 mpt->m_reg_acc_attr.devacc_attr_access = DDI_FLAGERR_ACC; 13400 mpt->m_msg_dma_attr.dma_attr_flags |= DDI_DMA_FLAGERR; 13401 mpt->m_io_dma_attr.dma_attr_flags |= DDI_DMA_FLAGERR; 13402 13403 /* 13404 * Register capabilities with IO Fault Services. 13405 * mpt->m_fm_capabilities will be updated to indicate 13406 * capabilities actually supported (not requested.) 13407 */ 13408 ddi_fm_init(mpt->m_dip, &mpt->m_fm_capabilities, &fm_ibc); 13409 13410 /* 13411 * Initialize pci ereport capabilities if ereport 13412 * capable (should always be.) 13413 */ 13414 if (DDI_FM_EREPORT_CAP(mpt->m_fm_capabilities) || 13415 DDI_FM_ERRCB_CAP(mpt->m_fm_capabilities)) { 13416 pci_ereport_setup(mpt->m_dip); 13417 } 13418 13419 /* 13420 * Register error callback if error callback capable. 13421 */ 13422 if (DDI_FM_ERRCB_CAP(mpt->m_fm_capabilities)) { 13423 ddi_fm_handler_register(mpt->m_dip, 13424 mptsas_fm_error_cb, (void *) mpt); 13425 } 13426 } 13427 } 13428 13429 /* 13430 * mptsas_fm_fini - Releases fma capabilities and un-registers with IO 13431 * fault services. 13432 * 13433 */ 13434 static void 13435 mptsas_fm_fini(mptsas_t *mpt) 13436 { 13437 /* Only unregister FMA capabilities if registered */ 13438 if (mpt->m_fm_capabilities) { 13439 13440 /* 13441 * Un-register error callback if error callback capable. 13442 */ 13443 13444 if (DDI_FM_ERRCB_CAP(mpt->m_fm_capabilities)) { 13445 ddi_fm_handler_unregister(mpt->m_dip); 13446 } 13447 13448 /* 13449 * Release any resources allocated by pci_ereport_setup() 13450 */ 13451 13452 if (DDI_FM_EREPORT_CAP(mpt->m_fm_capabilities) || 13453 DDI_FM_ERRCB_CAP(mpt->m_fm_capabilities)) { 13454 pci_ereport_teardown(mpt->m_dip); 13455 } 13456 13457 /* Unregister from IO Fault Services */ 13458 ddi_fm_fini(mpt->m_dip); 13459 13460 /* Adjust access and dma attributes for FMA */ 13461 mpt->m_reg_acc_attr.devacc_attr_access = DDI_DEFAULT_ACC; 13462 mpt->m_msg_dma_attr.dma_attr_flags &= ~DDI_DMA_FLAGERR; 13463 mpt->m_io_dma_attr.dma_attr_flags &= ~DDI_DMA_FLAGERR; 13464 13465 } 13466 } 13467 13468 int 13469 mptsas_check_acc_handle(ddi_acc_handle_t handle) 13470 { 13471 ddi_fm_error_t de; 13472 13473 if (handle == NULL) 13474 return (DDI_FAILURE); 13475 ddi_fm_acc_err_get(handle, &de, DDI_FME_VER0); 13476 return (de.fme_status); 13477 } 13478 13479 int 13480 mptsas_check_dma_handle(ddi_dma_handle_t handle) 13481 { 13482 ddi_fm_error_t de; 13483 13484 if (handle == NULL) 13485 return (DDI_FAILURE); 13486 ddi_fm_dma_err_get(handle, &de, DDI_FME_VER0); 13487 return (de.fme_status); 13488 } 13489 13490 void 13491 mptsas_fm_ereport(mptsas_t *mpt, char *detail) 13492 { 13493 uint64_t ena; 13494 char buf[FM_MAX_CLASS]; 13495 13496 (void) snprintf(buf, FM_MAX_CLASS, "%s.%s", DDI_FM_DEVICE, detail); 13497 ena = fm_ena_generate(0, FM_ENA_FMT1); 13498 if (DDI_FM_EREPORT_CAP(mpt->m_fm_capabilities)) { 13499 ddi_fm_ereport_post(mpt->m_dip, buf, ena, DDI_NOSLEEP, 13500 FM_VERSION, DATA_TYPE_UINT8, FM_EREPORT_VERS0, NULL); 13501 } 13502 } 13503 13504 static int 13505 mptsas_get_target_device_info(mptsas_t *mpt, uint32_t page_address, 13506 uint16_t *dev_handle, mptsas_target_t **pptgt) 13507 { 13508 int rval; 13509 uint32_t dev_info; 13510 uint64_t sas_wwn; 13511 mptsas_phymask_t phymask; 13512 uint8_t physport, phynum, config, disk; 13513 uint64_t devicename; 13514 uint16_t pdev_hdl; 13515 mptsas_target_t *tmp_tgt = NULL; 13516 uint16_t bay_num, enclosure, io_flags; 13517 13518 ASSERT(*pptgt == NULL); 13519 13520 rval = mptsas_get_sas_device_page0(mpt, page_address, dev_handle, 13521 &sas_wwn, &dev_info, &physport, &phynum, &pdev_hdl, 13522 &bay_num, &enclosure, &io_flags); 13523 if (rval != DDI_SUCCESS) { 13524 rval = DEV_INFO_FAIL_PAGE0; 13525 return (rval); 13526 } 13527 13528 if ((dev_info & (MPI2_SAS_DEVICE_INFO_SSP_TARGET | 13529 MPI2_SAS_DEVICE_INFO_SATA_DEVICE | 13530 MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE)) == NULL) { 13531 rval = DEV_INFO_WRONG_DEVICE_TYPE; 13532 return (rval); 13533 } 13534 13535 /* 13536 * Check if the dev handle is for a Phys Disk. If so, set return value 13537 * and exit. Don't add Phys Disks to hash. 13538 */ 13539 for (config = 0; config < mpt->m_num_raid_configs; config++) { 13540 for (disk = 0; disk < MPTSAS_MAX_DISKS_IN_CONFIG; disk++) { 13541 if (*dev_handle == mpt->m_raidconfig[config]. 13542 m_physdisk_devhdl[disk]) { 13543 rval = DEV_INFO_PHYS_DISK; 13544 return (rval); 13545 } 13546 } 13547 } 13548 13549 /* 13550 * Get SATA Device Name from SAS device page0 for 13551 * sata device, if device name doesn't exist, set mta_wwn to 13552 * 0 for direct attached SATA. For the device behind the expander 13553 * we still can use STP address assigned by expander. 13554 */ 13555 if (dev_info & (MPI2_SAS_DEVICE_INFO_SATA_DEVICE | 13556 MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE)) { 13557 mutex_exit(&mpt->m_mutex); 13558 /* alloc a tmp_tgt to send the cmd */ 13559 tmp_tgt = kmem_zalloc(sizeof (struct mptsas_target), 13560 KM_SLEEP); 13561 tmp_tgt->m_devhdl = *dev_handle; 13562 tmp_tgt->m_deviceinfo = dev_info; 13563 tmp_tgt->m_qfull_retries = QFULL_RETRIES; 13564 tmp_tgt->m_qfull_retry_interval = 13565 drv_usectohz(QFULL_RETRY_INTERVAL * 1000); 13566 tmp_tgt->m_t_throttle = MAX_THROTTLE; 13567 devicename = mptsas_get_sata_guid(mpt, tmp_tgt, 0); 13568 kmem_free(tmp_tgt, sizeof (struct mptsas_target)); 13569 mutex_enter(&mpt->m_mutex); 13570 if (devicename != 0 && (((devicename >> 56) & 0xf0) == 0x50)) { 13571 sas_wwn = devicename; 13572 } else if (dev_info & MPI2_SAS_DEVICE_INFO_DIRECT_ATTACH) { 13573 sas_wwn = 0; 13574 } 13575 } 13576 13577 phymask = mptsas_physport_to_phymask(mpt, physport); 13578 *pptgt = mptsas_tgt_alloc(mpt, *dev_handle, sas_wwn, 13579 dev_info, phymask, phynum); 13580 if (*pptgt == NULL) { 13581 mptsas_log(mpt, CE_WARN, "Failed to allocated target" 13582 "structure!"); 13583 rval = DEV_INFO_FAIL_ALLOC; 13584 return (rval); 13585 } 13586 (*pptgt)->m_io_flags = io_flags; 13587 (*pptgt)->m_enclosure = enclosure; 13588 (*pptgt)->m_slot_num = bay_num; 13589 return (DEV_INFO_SUCCESS); 13590 } 13591 13592 uint64_t 13593 mptsas_get_sata_guid(mptsas_t *mpt, mptsas_target_t *ptgt, int lun) 13594 { 13595 uint64_t sata_guid = 0, *pwwn = NULL; 13596 int target = ptgt->m_devhdl; 13597 uchar_t *inq83 = NULL; 13598 int inq83_len = 0xFF; 13599 uchar_t *dblk = NULL; 13600 int inq83_retry = 3; 13601 int rval = DDI_FAILURE; 13602 13603 inq83 = kmem_zalloc(inq83_len, KM_SLEEP); 13604 13605 inq83_retry: 13606 rval = mptsas_inquiry(mpt, ptgt, lun, 0x83, inq83, 13607 inq83_len, NULL, 1); 13608 if (rval != DDI_SUCCESS) { 13609 mptsas_log(mpt, CE_WARN, "!mptsas request inquiry page " 13610 "0x83 for target:%x, lun:%x failed!", target, lun); 13611 goto out; 13612 } 13613 /* According to SAT2, the first descriptor is logic unit name */ 13614 dblk = &inq83[4]; 13615 if ((dblk[1] & 0x30) != 0) { 13616 mptsas_log(mpt, CE_WARN, "!Descriptor is not lun associated."); 13617 goto out; 13618 } 13619 pwwn = (uint64_t *)(void *)(&dblk[4]); 13620 if ((dblk[4] & 0xf0) == 0x50) { 13621 sata_guid = BE_64(*pwwn); 13622 goto out; 13623 } else if (dblk[4] == 'A') { 13624 NDBG20(("SATA drive has no NAA format GUID.")); 13625 goto out; 13626 } else { 13627 /* The data is not ready, wait and retry */ 13628 inq83_retry--; 13629 if (inq83_retry <= 0) { 13630 goto out; 13631 } 13632 NDBG20(("The GUID is not ready, retry...")); 13633 delay(drv_sectohz(1)); 13634 goto inq83_retry; 13635 } 13636 out: 13637 kmem_free(inq83, inq83_len); 13638 return (sata_guid); 13639 } 13640 13641 static int 13642 mptsas_inquiry(mptsas_t *mpt, mptsas_target_t *ptgt, int lun, uchar_t page, 13643 unsigned char *buf, int len, int *reallen, uchar_t evpd) 13644 { 13645 uchar_t cdb[CDB_GROUP0]; 13646 struct scsi_address ap; 13647 struct buf *data_bp = NULL; 13648 int resid = 0; 13649 int ret = DDI_FAILURE; 13650 13651 ASSERT(len <= 0xffff); 13652 13653 ap.a_target = MPTSAS_INVALID_DEVHDL; 13654 ap.a_lun = (uchar_t)(lun); 13655 ap.a_hba_tran = mpt->m_tran; 13656 13657 data_bp = scsi_alloc_consistent_buf(&ap, 13658 (struct buf *)NULL, len, B_READ, NULL_FUNC, NULL); 13659 if (data_bp == NULL) { 13660 return (ret); 13661 } 13662 bzero(cdb, CDB_GROUP0); 13663 cdb[0] = SCMD_INQUIRY; 13664 cdb[1] = evpd; 13665 cdb[2] = page; 13666 cdb[3] = (len & 0xff00) >> 8; 13667 cdb[4] = (len & 0x00ff); 13668 cdb[5] = 0; 13669 13670 ret = mptsas_send_scsi_cmd(mpt, &ap, ptgt, &cdb[0], CDB_GROUP0, data_bp, 13671 &resid); 13672 if (ret == DDI_SUCCESS) { 13673 if (reallen) { 13674 *reallen = len - resid; 13675 } 13676 bcopy((caddr_t)data_bp->b_un.b_addr, buf, len); 13677 } 13678 if (data_bp) { 13679 scsi_free_consistent_buf(data_bp); 13680 } 13681 return (ret); 13682 } 13683 13684 static int 13685 mptsas_send_scsi_cmd(mptsas_t *mpt, struct scsi_address *ap, 13686 mptsas_target_t *ptgt, uchar_t *cdb, int cdblen, struct buf *data_bp, 13687 int *resid) 13688 { 13689 struct scsi_pkt *pktp = NULL; 13690 scsi_hba_tran_t *tran_clone = NULL; 13691 mptsas_tgt_private_t *tgt_private = NULL; 13692 int ret = DDI_FAILURE; 13693 13694 /* 13695 * scsi_hba_tran_t->tran_tgt_private is used to pass the address 13696 * information to scsi_init_pkt, allocate a scsi_hba_tran structure 13697 * to simulate the cmds from sd 13698 */ 13699 tran_clone = kmem_alloc( 13700 sizeof (scsi_hba_tran_t), KM_SLEEP); 13701 if (tran_clone == NULL) { 13702 goto out; 13703 } 13704 bcopy((caddr_t)mpt->m_tran, 13705 (caddr_t)tran_clone, sizeof (scsi_hba_tran_t)); 13706 tgt_private = kmem_alloc( 13707 sizeof (mptsas_tgt_private_t), KM_SLEEP); 13708 if (tgt_private == NULL) { 13709 goto out; 13710 } 13711 tgt_private->t_lun = ap->a_lun; 13712 tgt_private->t_private = ptgt; 13713 tran_clone->tran_tgt_private = tgt_private; 13714 ap->a_hba_tran = tran_clone; 13715 13716 pktp = scsi_init_pkt(ap, (struct scsi_pkt *)NULL, 13717 data_bp, cdblen, sizeof (struct scsi_arq_status), 13718 0, PKT_CONSISTENT, NULL, NULL); 13719 if (pktp == NULL) { 13720 goto out; 13721 } 13722 bcopy(cdb, pktp->pkt_cdbp, cdblen); 13723 pktp->pkt_flags = FLAG_NOPARITY; 13724 if (scsi_poll(pktp) < 0) { 13725 goto out; 13726 } 13727 if (((struct scsi_status *)pktp->pkt_scbp)->sts_chk) { 13728 goto out; 13729 } 13730 if (resid != NULL) { 13731 *resid = pktp->pkt_resid; 13732 } 13733 13734 ret = DDI_SUCCESS; 13735 out: 13736 if (pktp) { 13737 scsi_destroy_pkt(pktp); 13738 } 13739 if (tran_clone) { 13740 kmem_free(tran_clone, sizeof (scsi_hba_tran_t)); 13741 } 13742 if (tgt_private) { 13743 kmem_free(tgt_private, sizeof (mptsas_tgt_private_t)); 13744 } 13745 return (ret); 13746 } 13747 static int 13748 mptsas_parse_address(char *name, uint64_t *wwid, uint8_t *phy, int *lun) 13749 { 13750 char *cp = NULL; 13751 char *ptr = NULL; 13752 size_t s = 0; 13753 char *wwid_str = NULL; 13754 char *lun_str = NULL; 13755 long lunnum; 13756 long phyid = -1; 13757 int rc = DDI_FAILURE; 13758 13759 ptr = name; 13760 ASSERT(ptr[0] == 'w' || ptr[0] == 'p'); 13761 ptr++; 13762 if ((cp = strchr(ptr, ',')) == NULL) { 13763 return (DDI_FAILURE); 13764 } 13765 13766 wwid_str = kmem_zalloc(SCSI_MAXNAMELEN, KM_SLEEP); 13767 s = (uintptr_t)cp - (uintptr_t)ptr; 13768 13769 bcopy(ptr, wwid_str, s); 13770 wwid_str[s] = '\0'; 13771 13772 ptr = ++cp; 13773 13774 if ((cp = strchr(ptr, '\0')) == NULL) { 13775 goto out; 13776 } 13777 lun_str = kmem_zalloc(SCSI_MAXNAMELEN, KM_SLEEP); 13778 s = (uintptr_t)cp - (uintptr_t)ptr; 13779 13780 bcopy(ptr, lun_str, s); 13781 lun_str[s] = '\0'; 13782 13783 if (name[0] == 'p') { 13784 rc = ddi_strtol(wwid_str, NULL, 0x10, &phyid); 13785 } else { 13786 rc = scsi_wwnstr_to_wwn(wwid_str, wwid); 13787 } 13788 if (rc != DDI_SUCCESS) 13789 goto out; 13790 13791 if (phyid != -1) { 13792 ASSERT(phyid < MPTSAS_MAX_PHYS); 13793 *phy = (uint8_t)phyid; 13794 } 13795 rc = ddi_strtol(lun_str, NULL, 0x10, &lunnum); 13796 if (rc != 0) 13797 goto out; 13798 13799 *lun = (int)lunnum; 13800 rc = DDI_SUCCESS; 13801 out: 13802 if (wwid_str) 13803 kmem_free(wwid_str, SCSI_MAXNAMELEN); 13804 if (lun_str) 13805 kmem_free(lun_str, SCSI_MAXNAMELEN); 13806 13807 return (rc); 13808 } 13809 13810 /* 13811 * mptsas_parse_smp_name() is to parse sas wwn string 13812 * which format is "wWWN" 13813 */ 13814 static int 13815 mptsas_parse_smp_name(char *name, uint64_t *wwn) 13816 { 13817 char *ptr = name; 13818 13819 if (*ptr != 'w') { 13820 return (DDI_FAILURE); 13821 } 13822 13823 ptr++; 13824 if (scsi_wwnstr_to_wwn(ptr, wwn)) { 13825 return (DDI_FAILURE); 13826 } 13827 return (DDI_SUCCESS); 13828 } 13829 13830 static int 13831 mptsas_bus_config(dev_info_t *pdip, uint_t flag, 13832 ddi_bus_config_op_t op, void *arg, dev_info_t **childp) 13833 { 13834 int ret = NDI_FAILURE; 13835 int circ = 0; 13836 int circ1 = 0; 13837 mptsas_t *mpt; 13838 char *ptr = NULL; 13839 char *devnm = NULL; 13840 uint64_t wwid = 0; 13841 uint8_t phy = 0xFF; 13842 int lun = 0; 13843 uint_t mflags = flag; 13844 int bconfig = TRUE; 13845 13846 if (scsi_hba_iport_unit_address(pdip) == 0) { 13847 return (DDI_FAILURE); 13848 } 13849 13850 mpt = DIP2MPT(pdip); 13851 if (!mpt) { 13852 return (DDI_FAILURE); 13853 } 13854 /* 13855 * Hold the nexus across the bus_config 13856 */ 13857 ndi_devi_enter(scsi_vhci_dip, &circ); 13858 ndi_devi_enter(pdip, &circ1); 13859 switch (op) { 13860 case BUS_CONFIG_ONE: 13861 /* parse wwid/target name out of name given */ 13862 if ((ptr = strchr((char *)arg, '@')) == NULL) { 13863 ret = NDI_FAILURE; 13864 break; 13865 } 13866 ptr++; 13867 if (strncmp((char *)arg, "smp", 3) == 0) { 13868 /* 13869 * This is a SMP target device 13870 */ 13871 ret = mptsas_parse_smp_name(ptr, &wwid); 13872 if (ret != DDI_SUCCESS) { 13873 ret = NDI_FAILURE; 13874 break; 13875 } 13876 ret = mptsas_config_smp(pdip, wwid, childp); 13877 } else if ((ptr[0] == 'w') || (ptr[0] == 'p')) { 13878 /* 13879 * OBP could pass down a non-canonical form 13880 * bootpath without LUN part when LUN is 0. 13881 * So driver need adjust the string. 13882 */ 13883 if (strchr(ptr, ',') == NULL) { 13884 devnm = kmem_zalloc(SCSI_MAXNAMELEN, KM_SLEEP); 13885 (void) sprintf(devnm, "%s,0", (char *)arg); 13886 ptr = strchr(devnm, '@'); 13887 ptr++; 13888 } 13889 13890 /* 13891 * The device path is wWWID format and the device 13892 * is not SMP target device. 13893 */ 13894 ret = mptsas_parse_address(ptr, &wwid, &phy, &lun); 13895 if (ret != DDI_SUCCESS) { 13896 ret = NDI_FAILURE; 13897 break; 13898 } 13899 *childp = NULL; 13900 if (ptr[0] == 'w') { 13901 ret = mptsas_config_one_addr(pdip, wwid, 13902 lun, childp); 13903 } else if (ptr[0] == 'p') { 13904 ret = mptsas_config_one_phy(pdip, phy, lun, 13905 childp); 13906 } 13907 13908 /* 13909 * If this is CD/DVD device in OBP path, the 13910 * ndi_busop_bus_config can be skipped as config one 13911 * operation is done above. 13912 */ 13913 if ((ret == NDI_SUCCESS) && (*childp != NULL) && 13914 (strcmp(ddi_node_name(*childp), "cdrom") == 0) && 13915 (strncmp((char *)arg, "disk", 4) == 0)) { 13916 bconfig = FALSE; 13917 ndi_hold_devi(*childp); 13918 } 13919 } else { 13920 ret = NDI_FAILURE; 13921 break; 13922 } 13923 13924 /* 13925 * DDI group instructed us to use this flag. 13926 */ 13927 mflags |= NDI_MDI_FALLBACK; 13928 break; 13929 case BUS_CONFIG_DRIVER: 13930 case BUS_CONFIG_ALL: 13931 mptsas_config_all(pdip); 13932 ret = NDI_SUCCESS; 13933 break; 13934 } 13935 13936 if ((ret == NDI_SUCCESS) && bconfig) { 13937 ret = ndi_busop_bus_config(pdip, mflags, op, 13938 (devnm == NULL) ? arg : devnm, childp, 0); 13939 } 13940 13941 ndi_devi_exit(pdip, circ1); 13942 ndi_devi_exit(scsi_vhci_dip, circ); 13943 if (devnm != NULL) 13944 kmem_free(devnm, SCSI_MAXNAMELEN); 13945 return (ret); 13946 } 13947 13948 static int 13949 mptsas_probe_lun(dev_info_t *pdip, int lun, dev_info_t **dip, 13950 mptsas_target_t *ptgt) 13951 { 13952 int rval = DDI_FAILURE; 13953 struct scsi_inquiry *sd_inq = NULL; 13954 mptsas_t *mpt = DIP2MPT(pdip); 13955 13956 sd_inq = (struct scsi_inquiry *)kmem_alloc(SUN_INQSIZE, KM_SLEEP); 13957 13958 rval = mptsas_inquiry(mpt, ptgt, lun, 0, (uchar_t *)sd_inq, 13959 SUN_INQSIZE, 0, (uchar_t)0); 13960 13961 if ((rval == DDI_SUCCESS) && MPTSAS_VALID_LUN(sd_inq)) { 13962 rval = mptsas_create_lun(pdip, sd_inq, dip, ptgt, lun); 13963 } else { 13964 rval = DDI_FAILURE; 13965 } 13966 13967 kmem_free(sd_inq, SUN_INQSIZE); 13968 return (rval); 13969 } 13970 13971 static int 13972 mptsas_config_one_addr(dev_info_t *pdip, uint64_t sasaddr, int lun, 13973 dev_info_t **lundip) 13974 { 13975 int rval; 13976 mptsas_t *mpt = DIP2MPT(pdip); 13977 int phymask; 13978 mptsas_target_t *ptgt = NULL; 13979 13980 /* 13981 * Get the physical port associated to the iport 13982 */ 13983 phymask = ddi_prop_get_int(DDI_DEV_T_ANY, pdip, 0, 13984 "phymask", 0); 13985 13986 ptgt = mptsas_wwid_to_ptgt(mpt, phymask, sasaddr); 13987 if (ptgt == NULL) { 13988 /* 13989 * didn't match any device by searching 13990 */ 13991 return (DDI_FAILURE); 13992 } 13993 /* 13994 * If the LUN already exists and the status is online, 13995 * we just return the pointer to dev_info_t directly. 13996 * For the mdi_pathinfo node, we'll handle it in 13997 * mptsas_create_virt_lun() 13998 * TODO should be also in mptsas_handle_dr 13999 */ 14000 14001 *lundip = mptsas_find_child_addr(pdip, sasaddr, lun); 14002 if (*lundip != NULL) { 14003 /* 14004 * TODO Another senario is, we hotplug the same disk 14005 * on the same slot, the devhdl changed, is this 14006 * possible? 14007 * tgt_private->t_private != ptgt 14008 */ 14009 if (sasaddr != ptgt->m_addr.mta_wwn) { 14010 /* 14011 * The device has changed although the devhdl is the 14012 * same (Enclosure mapping mode, change drive on the 14013 * same slot) 14014 */ 14015 return (DDI_FAILURE); 14016 } 14017 return (DDI_SUCCESS); 14018 } 14019 14020 if (phymask == 0) { 14021 /* 14022 * Configure IR volume 14023 */ 14024 rval = mptsas_config_raid(pdip, ptgt->m_devhdl, lundip); 14025 return (rval); 14026 } 14027 rval = mptsas_probe_lun(pdip, lun, lundip, ptgt); 14028 14029 return (rval); 14030 } 14031 14032 static int 14033 mptsas_config_one_phy(dev_info_t *pdip, uint8_t phy, int lun, 14034 dev_info_t **lundip) 14035 { 14036 int rval; 14037 mptsas_t *mpt = DIP2MPT(pdip); 14038 mptsas_phymask_t phymask; 14039 mptsas_target_t *ptgt = NULL; 14040 14041 /* 14042 * Get the physical port associated to the iport 14043 */ 14044 phymask = (mptsas_phymask_t)ddi_prop_get_int(DDI_DEV_T_ANY, pdip, 0, 14045 "phymask", 0); 14046 14047 ptgt = mptsas_phy_to_tgt(mpt, phymask, phy); 14048 if (ptgt == NULL) { 14049 /* 14050 * didn't match any device by searching 14051 */ 14052 return (DDI_FAILURE); 14053 } 14054 14055 /* 14056 * If the LUN already exists and the status is online, 14057 * we just return the pointer to dev_info_t directly. 14058 * For the mdi_pathinfo node, we'll handle it in 14059 * mptsas_create_virt_lun(). 14060 */ 14061 14062 *lundip = mptsas_find_child_phy(pdip, phy); 14063 if (*lundip != NULL) { 14064 return (DDI_SUCCESS); 14065 } 14066 14067 rval = mptsas_probe_lun(pdip, lun, lundip, ptgt); 14068 14069 return (rval); 14070 } 14071 14072 static int 14073 mptsas_retrieve_lundata(int lun_cnt, uint8_t *buf, uint16_t *lun_num, 14074 uint8_t *lun_addr_type) 14075 { 14076 uint32_t lun_idx = 0; 14077 14078 ASSERT(lun_num != NULL); 14079 ASSERT(lun_addr_type != NULL); 14080 14081 lun_idx = (lun_cnt + 1) * MPTSAS_SCSI_REPORTLUNS_ADDRESS_SIZE; 14082 /* determine report luns addressing type */ 14083 switch (buf[lun_idx] & MPTSAS_SCSI_REPORTLUNS_ADDRESS_MASK) { 14084 /* 14085 * Vendors in the field have been found to be concatenating 14086 * bus/target/lun to equal the complete lun value instead 14087 * of switching to flat space addressing 14088 */ 14089 /* 00b - peripheral device addressing method */ 14090 case MPTSAS_SCSI_REPORTLUNS_ADDRESS_PERIPHERAL: 14091 /* FALLTHRU */ 14092 /* 10b - logical unit addressing method */ 14093 case MPTSAS_SCSI_REPORTLUNS_ADDRESS_LOGICAL_UNIT: 14094 /* FALLTHRU */ 14095 /* 01b - flat space addressing method */ 14096 case MPTSAS_SCSI_REPORTLUNS_ADDRESS_FLAT_SPACE: 14097 /* byte0 bit0-5=msb lun byte1 bit0-7=lsb lun */ 14098 *lun_addr_type = (buf[lun_idx] & 14099 MPTSAS_SCSI_REPORTLUNS_ADDRESS_MASK) >> 6; 14100 *lun_num = (buf[lun_idx] & 0x3F) << 8; 14101 *lun_num |= buf[lun_idx + 1]; 14102 return (DDI_SUCCESS); 14103 default: 14104 return (DDI_FAILURE); 14105 } 14106 } 14107 14108 static int 14109 mptsas_config_luns(dev_info_t *pdip, mptsas_target_t *ptgt) 14110 { 14111 struct buf *repluns_bp = NULL; 14112 struct scsi_address ap; 14113 uchar_t cdb[CDB_GROUP5]; 14114 int ret = DDI_FAILURE; 14115 int retry = 0; 14116 int lun_list_len = 0; 14117 uint16_t lun_num = 0; 14118 uint8_t lun_addr_type = 0; 14119 uint32_t lun_cnt = 0; 14120 uint32_t lun_total = 0; 14121 dev_info_t *cdip = NULL; 14122 uint16_t *saved_repluns = NULL; 14123 char *buffer = NULL; 14124 int buf_len = 128; 14125 mptsas_t *mpt = DIP2MPT(pdip); 14126 uint64_t sas_wwn = 0; 14127 uint8_t phy = 0xFF; 14128 uint32_t dev_info = 0; 14129 14130 mutex_enter(&mpt->m_mutex); 14131 sas_wwn = ptgt->m_addr.mta_wwn; 14132 phy = ptgt->m_phynum; 14133 dev_info = ptgt->m_deviceinfo; 14134 mutex_exit(&mpt->m_mutex); 14135 14136 if (sas_wwn == 0) { 14137 /* 14138 * It's a SATA without Device Name 14139 * So don't try multi-LUNs 14140 */ 14141 if (mptsas_find_child_phy(pdip, phy)) { 14142 return (DDI_SUCCESS); 14143 } else { 14144 /* 14145 * need configure and create node 14146 */ 14147 return (DDI_FAILURE); 14148 } 14149 } 14150 14151 /* 14152 * WWN (SAS address or Device Name exist) 14153 */ 14154 if (dev_info & (MPI2_SAS_DEVICE_INFO_SATA_DEVICE | 14155 MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE)) { 14156 /* 14157 * SATA device with Device Name 14158 * So don't try multi-LUNs 14159 */ 14160 if (mptsas_find_child_addr(pdip, sas_wwn, 0)) { 14161 return (DDI_SUCCESS); 14162 } else { 14163 return (DDI_FAILURE); 14164 } 14165 } 14166 14167 do { 14168 ap.a_target = MPTSAS_INVALID_DEVHDL; 14169 ap.a_lun = 0; 14170 ap.a_hba_tran = mpt->m_tran; 14171 repluns_bp = scsi_alloc_consistent_buf(&ap, 14172 (struct buf *)NULL, buf_len, B_READ, NULL_FUNC, NULL); 14173 if (repluns_bp == NULL) { 14174 retry++; 14175 continue; 14176 } 14177 bzero(cdb, CDB_GROUP5); 14178 cdb[0] = SCMD_REPORT_LUNS; 14179 cdb[6] = (buf_len & 0xff000000) >> 24; 14180 cdb[7] = (buf_len & 0x00ff0000) >> 16; 14181 cdb[8] = (buf_len & 0x0000ff00) >> 8; 14182 cdb[9] = (buf_len & 0x000000ff); 14183 14184 ret = mptsas_send_scsi_cmd(mpt, &ap, ptgt, &cdb[0], CDB_GROUP5, 14185 repluns_bp, NULL); 14186 if (ret != DDI_SUCCESS) { 14187 scsi_free_consistent_buf(repluns_bp); 14188 retry++; 14189 continue; 14190 } 14191 lun_list_len = BE_32(*(int *)((void *)( 14192 repluns_bp->b_un.b_addr))); 14193 if (buf_len >= lun_list_len + 8) { 14194 ret = DDI_SUCCESS; 14195 break; 14196 } 14197 scsi_free_consistent_buf(repluns_bp); 14198 buf_len = lun_list_len + 8; 14199 14200 } while (retry < 3); 14201 14202 if (ret != DDI_SUCCESS) 14203 return (ret); 14204 buffer = (char *)repluns_bp->b_un.b_addr; 14205 /* 14206 * find out the number of luns returned by the SCSI ReportLun call 14207 * and allocate buffer space 14208 */ 14209 lun_total = lun_list_len / MPTSAS_SCSI_REPORTLUNS_ADDRESS_SIZE; 14210 saved_repluns = kmem_zalloc(sizeof (uint16_t) * lun_total, KM_SLEEP); 14211 if (saved_repluns == NULL) { 14212 scsi_free_consistent_buf(repluns_bp); 14213 return (DDI_FAILURE); 14214 } 14215 for (lun_cnt = 0; lun_cnt < lun_total; lun_cnt++) { 14216 if (mptsas_retrieve_lundata(lun_cnt, (uint8_t *)(buffer), 14217 &lun_num, &lun_addr_type) != DDI_SUCCESS) { 14218 continue; 14219 } 14220 saved_repluns[lun_cnt] = lun_num; 14221 if (cdip = mptsas_find_child_addr(pdip, sas_wwn, lun_num)) 14222 ret = DDI_SUCCESS; 14223 else 14224 ret = mptsas_probe_lun(pdip, lun_num, &cdip, 14225 ptgt); 14226 if ((ret == DDI_SUCCESS) && (cdip != NULL)) { 14227 (void) ndi_prop_remove(DDI_DEV_T_NONE, cdip, 14228 MPTSAS_DEV_GONE); 14229 } 14230 } 14231 mptsas_offline_missed_luns(pdip, saved_repluns, lun_total, ptgt); 14232 kmem_free(saved_repluns, sizeof (uint16_t) * lun_total); 14233 scsi_free_consistent_buf(repluns_bp); 14234 return (DDI_SUCCESS); 14235 } 14236 14237 static int 14238 mptsas_config_raid(dev_info_t *pdip, uint16_t target, dev_info_t **dip) 14239 { 14240 int rval = DDI_FAILURE; 14241 struct scsi_inquiry *sd_inq = NULL; 14242 mptsas_t *mpt = DIP2MPT(pdip); 14243 mptsas_target_t *ptgt = NULL; 14244 14245 mutex_enter(&mpt->m_mutex); 14246 ptgt = refhash_linear_search(mpt->m_targets, 14247 mptsas_target_eval_devhdl, &target); 14248 mutex_exit(&mpt->m_mutex); 14249 if (ptgt == NULL) { 14250 mptsas_log(mpt, CE_WARN, "Volume with VolDevHandle of 0x%x " 14251 "not found.", target); 14252 return (rval); 14253 } 14254 14255 sd_inq = (struct scsi_inquiry *)kmem_alloc(SUN_INQSIZE, KM_SLEEP); 14256 rval = mptsas_inquiry(mpt, ptgt, 0, 0, (uchar_t *)sd_inq, 14257 SUN_INQSIZE, 0, (uchar_t)0); 14258 14259 if ((rval == DDI_SUCCESS) && MPTSAS_VALID_LUN(sd_inq)) { 14260 rval = mptsas_create_phys_lun(pdip, sd_inq, NULL, dip, ptgt, 14261 0); 14262 } else { 14263 rval = DDI_FAILURE; 14264 } 14265 14266 kmem_free(sd_inq, SUN_INQSIZE); 14267 return (rval); 14268 } 14269 14270 /* 14271 * configure all RAID volumes for virtual iport 14272 */ 14273 static void 14274 mptsas_config_all_viport(dev_info_t *pdip) 14275 { 14276 mptsas_t *mpt = DIP2MPT(pdip); 14277 int config, vol; 14278 int target; 14279 dev_info_t *lundip = NULL; 14280 14281 /* 14282 * Get latest RAID info and search for any Volume DevHandles. If any 14283 * are found, configure the volume. 14284 */ 14285 mutex_enter(&mpt->m_mutex); 14286 for (config = 0; config < mpt->m_num_raid_configs; config++) { 14287 for (vol = 0; vol < MPTSAS_MAX_RAIDVOLS; vol++) { 14288 if (mpt->m_raidconfig[config].m_raidvol[vol].m_israid 14289 == 1) { 14290 target = mpt->m_raidconfig[config]. 14291 m_raidvol[vol].m_raidhandle; 14292 mutex_exit(&mpt->m_mutex); 14293 (void) mptsas_config_raid(pdip, target, 14294 &lundip); 14295 mutex_enter(&mpt->m_mutex); 14296 } 14297 } 14298 } 14299 mutex_exit(&mpt->m_mutex); 14300 } 14301 14302 static void 14303 mptsas_offline_missed_luns(dev_info_t *pdip, uint16_t *repluns, 14304 int lun_cnt, mptsas_target_t *ptgt) 14305 { 14306 dev_info_t *child = NULL, *savechild = NULL; 14307 mdi_pathinfo_t *pip = NULL, *savepip = NULL; 14308 uint64_t sas_wwn, wwid; 14309 uint8_t phy; 14310 int lun; 14311 int i; 14312 int find; 14313 char *addr; 14314 char *nodename; 14315 mptsas_t *mpt = DIP2MPT(pdip); 14316 14317 mutex_enter(&mpt->m_mutex); 14318 wwid = ptgt->m_addr.mta_wwn; 14319 mutex_exit(&mpt->m_mutex); 14320 14321 child = ddi_get_child(pdip); 14322 while (child) { 14323 find = 0; 14324 savechild = child; 14325 child = ddi_get_next_sibling(child); 14326 14327 nodename = ddi_node_name(savechild); 14328 if (strcmp(nodename, "smp") == 0) { 14329 continue; 14330 } 14331 14332 addr = ddi_get_name_addr(savechild); 14333 if (addr == NULL) { 14334 continue; 14335 } 14336 14337 if (mptsas_parse_address(addr, &sas_wwn, &phy, &lun) != 14338 DDI_SUCCESS) { 14339 continue; 14340 } 14341 14342 if (wwid == sas_wwn) { 14343 for (i = 0; i < lun_cnt; i++) { 14344 if (repluns[i] == lun) { 14345 find = 1; 14346 break; 14347 } 14348 } 14349 } else { 14350 continue; 14351 } 14352 if (find == 0) { 14353 /* 14354 * The lun has not been there already 14355 */ 14356 (void) mptsas_offline_lun(pdip, savechild, NULL, 14357 NDI_DEVI_REMOVE); 14358 } 14359 } 14360 14361 pip = mdi_get_next_client_path(pdip, NULL); 14362 while (pip) { 14363 find = 0; 14364 savepip = pip; 14365 addr = MDI_PI(pip)->pi_addr; 14366 14367 pip = mdi_get_next_client_path(pdip, pip); 14368 14369 if (addr == NULL) { 14370 continue; 14371 } 14372 14373 if (mptsas_parse_address(addr, &sas_wwn, &phy, 14374 &lun) != DDI_SUCCESS) { 14375 continue; 14376 } 14377 14378 if (sas_wwn == wwid) { 14379 for (i = 0; i < lun_cnt; i++) { 14380 if (repluns[i] == lun) { 14381 find = 1; 14382 break; 14383 } 14384 } 14385 } else { 14386 continue; 14387 } 14388 14389 if (find == 0) { 14390 /* 14391 * The lun has not been there already 14392 */ 14393 (void) mptsas_offline_lun(pdip, NULL, savepip, 14394 NDI_DEVI_REMOVE); 14395 } 14396 } 14397 } 14398 14399 void 14400 mptsas_update_hashtab(struct mptsas *mpt) 14401 { 14402 uint32_t page_address; 14403 int rval = 0; 14404 uint16_t dev_handle; 14405 mptsas_target_t *ptgt = NULL; 14406 mptsas_smp_t smp_node; 14407 14408 /* 14409 * Get latest RAID info. 14410 */ 14411 (void) mptsas_get_raid_info(mpt); 14412 14413 dev_handle = mpt->m_smp_devhdl; 14414 for (; mpt->m_done_traverse_smp == 0; ) { 14415 page_address = (MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL & 14416 MPI2_SAS_EXPAND_PGAD_FORM_MASK) | (uint32_t)dev_handle; 14417 if (mptsas_get_sas_expander_page0(mpt, page_address, &smp_node) 14418 != DDI_SUCCESS) { 14419 break; 14420 } 14421 mpt->m_smp_devhdl = dev_handle = smp_node.m_devhdl; 14422 (void) mptsas_smp_alloc(mpt, &smp_node); 14423 } 14424 14425 /* 14426 * Config target devices 14427 */ 14428 dev_handle = mpt->m_dev_handle; 14429 14430 /* 14431 * Do loop to get sas device page 0 by GetNextHandle till the 14432 * the last handle. If the sas device is a SATA/SSP target, 14433 * we try to config it. 14434 */ 14435 for (; mpt->m_done_traverse_dev == 0; ) { 14436 ptgt = NULL; 14437 page_address = 14438 (MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE & 14439 MPI2_SAS_DEVICE_PGAD_FORM_MASK) | 14440 (uint32_t)dev_handle; 14441 rval = mptsas_get_target_device_info(mpt, page_address, 14442 &dev_handle, &ptgt); 14443 if ((rval == DEV_INFO_FAIL_PAGE0) || 14444 (rval == DEV_INFO_FAIL_ALLOC)) { 14445 break; 14446 } 14447 14448 mpt->m_dev_handle = dev_handle; 14449 } 14450 14451 } 14452 14453 void 14454 mptsas_update_driver_data(struct mptsas *mpt) 14455 { 14456 mptsas_target_t *tp; 14457 mptsas_smp_t *sp; 14458 14459 ASSERT(MUTEX_HELD(&mpt->m_mutex)); 14460 14461 /* 14462 * TODO after hard reset, update the driver data structures 14463 * 1. update port/phymask mapping table mpt->m_phy_info 14464 * 2. invalid all the entries in hash table 14465 * m_devhdl = 0xffff and m_deviceinfo = 0 14466 * 3. call sas_device_page/expander_page to update hash table 14467 */ 14468 mptsas_update_phymask(mpt); 14469 14470 /* 14471 * Remove all the devhdls for existing entries but leave their 14472 * addresses alone. In update_hashtab() below, we'll find all 14473 * targets that are still present and reassociate them with 14474 * their potentially new devhdls. Leaving the targets around in 14475 * this fashion allows them to be used on the tx waitq even 14476 * while IOC reset is occurring. 14477 */ 14478 for (tp = refhash_first(mpt->m_targets); tp != NULL; 14479 tp = refhash_next(mpt->m_targets, tp)) { 14480 tp->m_devhdl = MPTSAS_INVALID_DEVHDL; 14481 tp->m_deviceinfo = 0; 14482 tp->m_dr_flag = MPTSAS_DR_INACTIVE; 14483 } 14484 for (sp = refhash_first(mpt->m_smp_targets); sp != NULL; 14485 sp = refhash_next(mpt->m_smp_targets, sp)) { 14486 sp->m_devhdl = MPTSAS_INVALID_DEVHDL; 14487 sp->m_deviceinfo = 0; 14488 } 14489 mpt->m_done_traverse_dev = 0; 14490 mpt->m_done_traverse_smp = 0; 14491 mpt->m_dev_handle = mpt->m_smp_devhdl = MPTSAS_INVALID_DEVHDL; 14492 mptsas_update_hashtab(mpt); 14493 } 14494 14495 static void 14496 mptsas_config_all(dev_info_t *pdip) 14497 { 14498 dev_info_t *smpdip = NULL; 14499 mptsas_t *mpt = DIP2MPT(pdip); 14500 int phymask = 0; 14501 mptsas_phymask_t phy_mask; 14502 mptsas_target_t *ptgt = NULL; 14503 mptsas_smp_t *psmp; 14504 14505 /* 14506 * Get the phymask associated to the iport 14507 */ 14508 phymask = ddi_prop_get_int(DDI_DEV_T_ANY, pdip, 0, 14509 "phymask", 0); 14510 14511 /* 14512 * Enumerate RAID volumes here (phymask == 0). 14513 */ 14514 if (phymask == 0) { 14515 mptsas_config_all_viport(pdip); 14516 return; 14517 } 14518 14519 mutex_enter(&mpt->m_mutex); 14520 14521 if (!mpt->m_done_traverse_dev || !mpt->m_done_traverse_smp) { 14522 mptsas_update_hashtab(mpt); 14523 } 14524 14525 for (psmp = refhash_first(mpt->m_smp_targets); psmp != NULL; 14526 psmp = refhash_next(mpt->m_smp_targets, psmp)) { 14527 phy_mask = psmp->m_addr.mta_phymask; 14528 if (phy_mask == phymask) { 14529 smpdip = NULL; 14530 mutex_exit(&mpt->m_mutex); 14531 (void) mptsas_online_smp(pdip, psmp, &smpdip); 14532 mutex_enter(&mpt->m_mutex); 14533 } 14534 } 14535 14536 for (ptgt = refhash_first(mpt->m_targets); ptgt != NULL; 14537 ptgt = refhash_next(mpt->m_targets, ptgt)) { 14538 phy_mask = ptgt->m_addr.mta_phymask; 14539 if (phy_mask == phymask) { 14540 mutex_exit(&mpt->m_mutex); 14541 (void) mptsas_config_target(pdip, ptgt); 14542 mutex_enter(&mpt->m_mutex); 14543 } 14544 } 14545 mutex_exit(&mpt->m_mutex); 14546 } 14547 14548 static int 14549 mptsas_config_target(dev_info_t *pdip, mptsas_target_t *ptgt) 14550 { 14551 int rval = DDI_FAILURE; 14552 dev_info_t *tdip; 14553 14554 rval = mptsas_config_luns(pdip, ptgt); 14555 if (rval != DDI_SUCCESS) { 14556 /* 14557 * The return value means the SCMD_REPORT_LUNS 14558 * did not execute successfully. The target maybe 14559 * doesn't support such command. 14560 */ 14561 rval = mptsas_probe_lun(pdip, 0, &tdip, ptgt); 14562 } 14563 return (rval); 14564 } 14565 14566 /* 14567 * Return fail if not all the childs/paths are freed. 14568 * if there is any path under the HBA, the return value will be always fail 14569 * because we didn't call mdi_pi_free for path 14570 */ 14571 static int 14572 mptsas_offline_target(dev_info_t *pdip, char *name) 14573 { 14574 dev_info_t *child = NULL, *prechild = NULL; 14575 mdi_pathinfo_t *pip = NULL, *savepip = NULL; 14576 int tmp_rval, rval = DDI_SUCCESS; 14577 char *addr, *cp; 14578 size_t s; 14579 mptsas_t *mpt = DIP2MPT(pdip); 14580 14581 child = ddi_get_child(pdip); 14582 while (child) { 14583 addr = ddi_get_name_addr(child); 14584 prechild = child; 14585 child = ddi_get_next_sibling(child); 14586 14587 if (addr == NULL) { 14588 continue; 14589 } 14590 if ((cp = strchr(addr, ',')) == NULL) { 14591 continue; 14592 } 14593 14594 s = (uintptr_t)cp - (uintptr_t)addr; 14595 14596 if (strncmp(addr, name, s) != 0) { 14597 continue; 14598 } 14599 14600 tmp_rval = mptsas_offline_lun(pdip, prechild, NULL, 14601 NDI_DEVI_REMOVE); 14602 if (tmp_rval != DDI_SUCCESS) { 14603 rval = DDI_FAILURE; 14604 if (ndi_prop_create_boolean(DDI_DEV_T_NONE, 14605 prechild, MPTSAS_DEV_GONE) != 14606 DDI_PROP_SUCCESS) { 14607 mptsas_log(mpt, CE_WARN, "mptsas driver " 14608 "unable to create property for " 14609 "SAS %s (MPTSAS_DEV_GONE)", addr); 14610 } 14611 } 14612 } 14613 14614 pip = mdi_get_next_client_path(pdip, NULL); 14615 while (pip) { 14616 addr = MDI_PI(pip)->pi_addr; 14617 savepip = pip; 14618 pip = mdi_get_next_client_path(pdip, pip); 14619 if (addr == NULL) { 14620 continue; 14621 } 14622 14623 if ((cp = strchr(addr, ',')) == NULL) { 14624 continue; 14625 } 14626 14627 s = (uintptr_t)cp - (uintptr_t)addr; 14628 14629 if (strncmp(addr, name, s) != 0) { 14630 continue; 14631 } 14632 14633 (void) mptsas_offline_lun(pdip, NULL, savepip, 14634 NDI_DEVI_REMOVE); 14635 /* 14636 * driver will not invoke mdi_pi_free, so path will not 14637 * be freed forever, return DDI_FAILURE. 14638 */ 14639 rval = DDI_FAILURE; 14640 } 14641 return (rval); 14642 } 14643 14644 static int 14645 mptsas_offline_lun(dev_info_t *pdip, dev_info_t *rdip, 14646 mdi_pathinfo_t *rpip, uint_t flags) 14647 { 14648 int rval = DDI_FAILURE; 14649 char *devname; 14650 dev_info_t *cdip, *parent; 14651 14652 if (rpip != NULL) { 14653 parent = scsi_vhci_dip; 14654 cdip = mdi_pi_get_client(rpip); 14655 } else if (rdip != NULL) { 14656 parent = pdip; 14657 cdip = rdip; 14658 } else { 14659 return (DDI_FAILURE); 14660 } 14661 14662 /* 14663 * Make sure node is attached otherwise 14664 * it won't have related cache nodes to 14665 * clean up. i_ddi_devi_attached is 14666 * similiar to i_ddi_node_state(cdip) >= 14667 * DS_ATTACHED. 14668 */ 14669 if (i_ddi_devi_attached(cdip)) { 14670 14671 /* Get full devname */ 14672 devname = kmem_alloc(MAXNAMELEN + 1, KM_SLEEP); 14673 (void) ddi_deviname(cdip, devname); 14674 /* Clean cache */ 14675 (void) devfs_clean(parent, devname + 1, 14676 DV_CLEAN_FORCE); 14677 kmem_free(devname, MAXNAMELEN + 1); 14678 } 14679 if (rpip != NULL) { 14680 if (MDI_PI_IS_OFFLINE(rpip)) { 14681 rval = DDI_SUCCESS; 14682 } else { 14683 rval = mdi_pi_offline(rpip, 0); 14684 } 14685 } else { 14686 rval = ndi_devi_offline(cdip, flags); 14687 } 14688 14689 return (rval); 14690 } 14691 14692 static dev_info_t * 14693 mptsas_find_smp_child(dev_info_t *parent, char *str_wwn) 14694 { 14695 dev_info_t *child = NULL; 14696 char *smp_wwn = NULL; 14697 14698 child = ddi_get_child(parent); 14699 while (child) { 14700 if (ddi_prop_lookup_string(DDI_DEV_T_ANY, child, 14701 DDI_PROP_DONTPASS, SMP_WWN, &smp_wwn) 14702 != DDI_SUCCESS) { 14703 child = ddi_get_next_sibling(child); 14704 continue; 14705 } 14706 14707 if (strcmp(smp_wwn, str_wwn) == 0) { 14708 ddi_prop_free(smp_wwn); 14709 break; 14710 } 14711 child = ddi_get_next_sibling(child); 14712 ddi_prop_free(smp_wwn); 14713 } 14714 return (child); 14715 } 14716 14717 static int 14718 mptsas_offline_smp(dev_info_t *pdip, mptsas_smp_t *smp_node, uint_t flags) 14719 { 14720 int rval = DDI_FAILURE; 14721 char *devname; 14722 char wwn_str[MPTSAS_WWN_STRLEN]; 14723 dev_info_t *cdip; 14724 14725 (void) sprintf(wwn_str, "%"PRIx64, smp_node->m_addr.mta_wwn); 14726 14727 cdip = mptsas_find_smp_child(pdip, wwn_str); 14728 14729 if (cdip == NULL) 14730 return (DDI_SUCCESS); 14731 14732 /* 14733 * Make sure node is attached otherwise 14734 * it won't have related cache nodes to 14735 * clean up. i_ddi_devi_attached is 14736 * similiar to i_ddi_node_state(cdip) >= 14737 * DS_ATTACHED. 14738 */ 14739 if (i_ddi_devi_attached(cdip)) { 14740 14741 /* Get full devname */ 14742 devname = kmem_alloc(MAXNAMELEN + 1, KM_SLEEP); 14743 (void) ddi_deviname(cdip, devname); 14744 /* Clean cache */ 14745 (void) devfs_clean(pdip, devname + 1, 14746 DV_CLEAN_FORCE); 14747 kmem_free(devname, MAXNAMELEN + 1); 14748 } 14749 14750 rval = ndi_devi_offline(cdip, flags); 14751 14752 return (rval); 14753 } 14754 14755 static dev_info_t * 14756 mptsas_find_child(dev_info_t *pdip, char *name) 14757 { 14758 dev_info_t *child = NULL; 14759 char *rname = NULL; 14760 int rval = DDI_FAILURE; 14761 14762 rname = kmem_zalloc(SCSI_MAXNAMELEN, KM_SLEEP); 14763 14764 child = ddi_get_child(pdip); 14765 while (child) { 14766 rval = mptsas_name_child(child, rname, SCSI_MAXNAMELEN); 14767 if (rval != DDI_SUCCESS) { 14768 child = ddi_get_next_sibling(child); 14769 bzero(rname, SCSI_MAXNAMELEN); 14770 continue; 14771 } 14772 14773 if (strcmp(rname, name) == 0) { 14774 break; 14775 } 14776 child = ddi_get_next_sibling(child); 14777 bzero(rname, SCSI_MAXNAMELEN); 14778 } 14779 14780 kmem_free(rname, SCSI_MAXNAMELEN); 14781 14782 return (child); 14783 } 14784 14785 14786 static dev_info_t * 14787 mptsas_find_child_addr(dev_info_t *pdip, uint64_t sasaddr, int lun) 14788 { 14789 dev_info_t *child = NULL; 14790 char *name = NULL; 14791 char *addr = NULL; 14792 14793 name = kmem_zalloc(SCSI_MAXNAMELEN, KM_SLEEP); 14794 addr = kmem_zalloc(SCSI_MAXNAMELEN, KM_SLEEP); 14795 (void) sprintf(name, "%016"PRIx64, sasaddr); 14796 (void) sprintf(addr, "w%s,%x", name, lun); 14797 child = mptsas_find_child(pdip, addr); 14798 kmem_free(name, SCSI_MAXNAMELEN); 14799 kmem_free(addr, SCSI_MAXNAMELEN); 14800 return (child); 14801 } 14802 14803 static dev_info_t * 14804 mptsas_find_child_phy(dev_info_t *pdip, uint8_t phy) 14805 { 14806 dev_info_t *child; 14807 char *addr; 14808 14809 addr = kmem_zalloc(SCSI_MAXNAMELEN, KM_SLEEP); 14810 (void) sprintf(addr, "p%x,0", phy); 14811 child = mptsas_find_child(pdip, addr); 14812 kmem_free(addr, SCSI_MAXNAMELEN); 14813 return (child); 14814 } 14815 14816 static mdi_pathinfo_t * 14817 mptsas_find_path_phy(dev_info_t *pdip, uint8_t phy) 14818 { 14819 mdi_pathinfo_t *path; 14820 char *addr = NULL; 14821 14822 addr = kmem_zalloc(SCSI_MAXNAMELEN, KM_SLEEP); 14823 (void) sprintf(addr, "p%x,0", phy); 14824 path = mdi_pi_find(pdip, NULL, addr); 14825 kmem_free(addr, SCSI_MAXNAMELEN); 14826 return (path); 14827 } 14828 14829 static mdi_pathinfo_t * 14830 mptsas_find_path_addr(dev_info_t *parent, uint64_t sasaddr, int lun) 14831 { 14832 mdi_pathinfo_t *path; 14833 char *name = NULL; 14834 char *addr = NULL; 14835 14836 name = kmem_zalloc(SCSI_MAXNAMELEN, KM_SLEEP); 14837 addr = kmem_zalloc(SCSI_MAXNAMELEN, KM_SLEEP); 14838 (void) sprintf(name, "%016"PRIx64, sasaddr); 14839 (void) sprintf(addr, "w%s,%x", name, lun); 14840 path = mdi_pi_find(parent, NULL, addr); 14841 kmem_free(name, SCSI_MAXNAMELEN); 14842 kmem_free(addr, SCSI_MAXNAMELEN); 14843 14844 return (path); 14845 } 14846 14847 static int 14848 mptsas_create_lun(dev_info_t *pdip, struct scsi_inquiry *sd_inq, 14849 dev_info_t **lun_dip, mptsas_target_t *ptgt, int lun) 14850 { 14851 int i = 0; 14852 uchar_t *inq83 = NULL; 14853 int inq83_len1 = 0xFF; 14854 int inq83_len = 0; 14855 int rval = DDI_FAILURE; 14856 ddi_devid_t devid; 14857 char *guid = NULL; 14858 int target = ptgt->m_devhdl; 14859 mdi_pathinfo_t *pip = NULL; 14860 mptsas_t *mpt = DIP2MPT(pdip); 14861 14862 /* 14863 * For DVD/CD ROM and tape devices and optical 14864 * devices, we won't try to enumerate them under 14865 * scsi_vhci, so no need to try page83 14866 */ 14867 if (sd_inq && (sd_inq->inq_dtype == DTYPE_RODIRECT || 14868 sd_inq->inq_dtype == DTYPE_OPTICAL || 14869 sd_inq->inq_dtype == DTYPE_ESI)) 14870 goto create_lun; 14871 14872 /* 14873 * The LCA returns good SCSI status, but corrupt page 83 data the first 14874 * time it is queried. The solution is to keep trying to request page83 14875 * and verify the GUID is not (DDI_NOT_WELL_FORMED) in 14876 * mptsas_inq83_retry_timeout seconds. If the timeout expires, driver 14877 * give up to get VPD page at this stage and fail the enumeration. 14878 */ 14879 14880 inq83 = kmem_zalloc(inq83_len1, KM_SLEEP); 14881 14882 for (i = 0; i < mptsas_inq83_retry_timeout; i++) { 14883 rval = mptsas_inquiry(mpt, ptgt, lun, 0x83, inq83, 14884 inq83_len1, &inq83_len, 1); 14885 if (rval != 0) { 14886 mptsas_log(mpt, CE_WARN, "!mptsas request inquiry page " 14887 "0x83 for target:%x, lun:%x failed!", target, lun); 14888 if (mptsas_physical_bind_failed_page_83 != B_FALSE) 14889 goto create_lun; 14890 goto out; 14891 } 14892 /* 14893 * create DEVID from inquiry data 14894 */ 14895 if ((rval = ddi_devid_scsi_encode( 14896 DEVID_SCSI_ENCODE_VERSION_LATEST, NULL, (uchar_t *)sd_inq, 14897 sizeof (struct scsi_inquiry), NULL, 0, inq83, 14898 (size_t)inq83_len, &devid)) == DDI_SUCCESS) { 14899 /* 14900 * extract GUID from DEVID 14901 */ 14902 guid = ddi_devid_to_guid(devid); 14903 14904 /* 14905 * Do not enable MPXIO if the strlen(guid) is greater 14906 * than MPTSAS_MAX_GUID_LEN, this constrain would be 14907 * handled by framework later. 14908 */ 14909 if (guid && (strlen(guid) > MPTSAS_MAX_GUID_LEN)) { 14910 ddi_devid_free_guid(guid); 14911 guid = NULL; 14912 if (mpt->m_mpxio_enable == TRUE) { 14913 mptsas_log(mpt, CE_NOTE, "!Target:%x, " 14914 "lun:%x doesn't have a valid GUID, " 14915 "multipathing for this drive is " 14916 "not enabled", target, lun); 14917 } 14918 } 14919 14920 /* 14921 * devid no longer needed 14922 */ 14923 ddi_devid_free(devid); 14924 break; 14925 } else if (rval == DDI_NOT_WELL_FORMED) { 14926 /* 14927 * return value of ddi_devid_scsi_encode equal to 14928 * DDI_NOT_WELL_FORMED means DEVID_RETRY, it worth 14929 * to retry inquiry page 0x83 and get GUID. 14930 */ 14931 NDBG20(("Not well formed devid, retry...")); 14932 delay(drv_sectohz(1)); 14933 continue; 14934 } else { 14935 mptsas_log(mpt, CE_WARN, "!Encode devid failed for " 14936 "path target:%x, lun:%x", target, lun); 14937 rval = DDI_FAILURE; 14938 goto create_lun; 14939 } 14940 } 14941 14942 if (i == mptsas_inq83_retry_timeout) { 14943 mptsas_log(mpt, CE_WARN, "!Repeated page83 requests timeout " 14944 "for path target:%x, lun:%x", target, lun); 14945 } 14946 14947 rval = DDI_FAILURE; 14948 14949 create_lun: 14950 if ((guid != NULL) && (mpt->m_mpxio_enable == TRUE)) { 14951 rval = mptsas_create_virt_lun(pdip, sd_inq, guid, lun_dip, &pip, 14952 ptgt, lun); 14953 } 14954 if (rval != DDI_SUCCESS) { 14955 rval = mptsas_create_phys_lun(pdip, sd_inq, guid, lun_dip, 14956 ptgt, lun); 14957 14958 } 14959 out: 14960 if (guid != NULL) { 14961 /* 14962 * guid no longer needed 14963 */ 14964 ddi_devid_free_guid(guid); 14965 } 14966 if (inq83 != NULL) 14967 kmem_free(inq83, inq83_len1); 14968 return (rval); 14969 } 14970 14971 static int 14972 mptsas_create_virt_lun(dev_info_t *pdip, struct scsi_inquiry *inq, char *guid, 14973 dev_info_t **lun_dip, mdi_pathinfo_t **pip, mptsas_target_t *ptgt, int lun) 14974 { 14975 int target; 14976 char *nodename = NULL; 14977 char **compatible = NULL; 14978 int ncompatible = 0; 14979 int mdi_rtn = MDI_FAILURE; 14980 int rval = DDI_FAILURE; 14981 char *old_guid = NULL; 14982 mptsas_t *mpt = DIP2MPT(pdip); 14983 char *lun_addr = NULL; 14984 char *wwn_str = NULL; 14985 char *attached_wwn_str = NULL; 14986 char *component = NULL; 14987 uint8_t phy = 0xFF; 14988 uint64_t sas_wwn; 14989 int64_t lun64 = 0; 14990 uint32_t devinfo; 14991 uint16_t dev_hdl; 14992 uint16_t pdev_hdl; 14993 uint64_t dev_sas_wwn; 14994 uint64_t pdev_sas_wwn; 14995 uint32_t pdev_info; 14996 uint8_t physport; 14997 uint8_t phy_id; 14998 uint32_t page_address; 14999 uint16_t bay_num, enclosure, io_flags; 15000 char pdev_wwn_str[MPTSAS_WWN_STRLEN]; 15001 uint32_t dev_info; 15002 15003 mutex_enter(&mpt->m_mutex); 15004 target = ptgt->m_devhdl; 15005 sas_wwn = ptgt->m_addr.mta_wwn; 15006 devinfo = ptgt->m_deviceinfo; 15007 phy = ptgt->m_phynum; 15008 mutex_exit(&mpt->m_mutex); 15009 15010 if (sas_wwn) { 15011 *pip = mptsas_find_path_addr(pdip, sas_wwn, lun); 15012 } else { 15013 *pip = mptsas_find_path_phy(pdip, phy); 15014 } 15015 15016 if (*pip != NULL) { 15017 *lun_dip = MDI_PI(*pip)->pi_client->ct_dip; 15018 ASSERT(*lun_dip != NULL); 15019 if (ddi_prop_lookup_string(DDI_DEV_T_ANY, *lun_dip, 15020 (DDI_PROP_DONTPASS | DDI_PROP_NOTPROM), 15021 MDI_CLIENT_GUID_PROP, &old_guid) == DDI_SUCCESS) { 15022 if (strncmp(guid, old_guid, strlen(guid)) == 0) { 15023 /* 15024 * Same path back online again. 15025 */ 15026 (void) ddi_prop_free(old_guid); 15027 if ((!MDI_PI_IS_ONLINE(*pip)) && 15028 (!MDI_PI_IS_STANDBY(*pip)) && 15029 (ptgt->m_tgt_unconfigured == 0)) { 15030 rval = mdi_pi_online(*pip, 0); 15031 mutex_enter(&mpt->m_mutex); 15032 ptgt->m_led_status = 0; 15033 (void) mptsas_flush_led_status(mpt, 15034 ptgt); 15035 mutex_exit(&mpt->m_mutex); 15036 } else { 15037 rval = DDI_SUCCESS; 15038 } 15039 if (rval != DDI_SUCCESS) { 15040 mptsas_log(mpt, CE_WARN, "path:target: " 15041 "%x, lun:%x online failed!", target, 15042 lun); 15043 *pip = NULL; 15044 *lun_dip = NULL; 15045 } 15046 return (rval); 15047 } else { 15048 /* 15049 * The GUID of the LUN has changed which maybe 15050 * because customer mapped another volume to the 15051 * same LUN. 15052 */ 15053 mptsas_log(mpt, CE_WARN, "The GUID of the " 15054 "target:%x, lun:%x was changed, maybe " 15055 "because someone mapped another volume " 15056 "to the same LUN", target, lun); 15057 (void) ddi_prop_free(old_guid); 15058 if (!MDI_PI_IS_OFFLINE(*pip)) { 15059 rval = mdi_pi_offline(*pip, 0); 15060 if (rval != MDI_SUCCESS) { 15061 mptsas_log(mpt, CE_WARN, "path:" 15062 "target:%x, lun:%x offline " 15063 "failed!", target, lun); 15064 *pip = NULL; 15065 *lun_dip = NULL; 15066 return (DDI_FAILURE); 15067 } 15068 } 15069 if (mdi_pi_free(*pip, 0) != MDI_SUCCESS) { 15070 mptsas_log(mpt, CE_WARN, "path:target:" 15071 "%x, lun:%x free failed!", target, 15072 lun); 15073 *pip = NULL; 15074 *lun_dip = NULL; 15075 return (DDI_FAILURE); 15076 } 15077 } 15078 } else { 15079 mptsas_log(mpt, CE_WARN, "Can't get client-guid " 15080 "property for path:target:%x, lun:%x", target, lun); 15081 *pip = NULL; 15082 *lun_dip = NULL; 15083 return (DDI_FAILURE); 15084 } 15085 } 15086 scsi_hba_nodename_compatible_get(inq, NULL, 15087 inq->inq_dtype, NULL, &nodename, &compatible, &ncompatible); 15088 15089 /* 15090 * if nodename can't be determined then print a message and skip it 15091 */ 15092 if (nodename == NULL) { 15093 mptsas_log(mpt, CE_WARN, "mptsas driver found no compatible " 15094 "driver for target%d lun %d dtype:0x%02x", target, lun, 15095 inq->inq_dtype); 15096 return (DDI_FAILURE); 15097 } 15098 15099 wwn_str = kmem_zalloc(MPTSAS_WWN_STRLEN, KM_SLEEP); 15100 /* The property is needed by MPAPI */ 15101 (void) sprintf(wwn_str, "%016"PRIx64, sas_wwn); 15102 15103 lun_addr = kmem_zalloc(SCSI_MAXNAMELEN, KM_SLEEP); 15104 if (guid) { 15105 (void) sprintf(lun_addr, "w%s,%x", wwn_str, lun); 15106 (void) sprintf(wwn_str, "w%016"PRIx64, sas_wwn); 15107 } else { 15108 (void) sprintf(lun_addr, "p%x,%x", phy, lun); 15109 (void) sprintf(wwn_str, "p%x", phy); 15110 } 15111 15112 mdi_rtn = mdi_pi_alloc_compatible(pdip, nodename, 15113 guid, lun_addr, compatible, ncompatible, 15114 0, pip); 15115 if (mdi_rtn == MDI_SUCCESS) { 15116 15117 if (mdi_prop_update_string(*pip, MDI_GUID, 15118 guid) != DDI_SUCCESS) { 15119 mptsas_log(mpt, CE_WARN, "mptsas driver unable to " 15120 "create prop for target %d lun %d (MDI_GUID)", 15121 target, lun); 15122 mdi_rtn = MDI_FAILURE; 15123 goto virt_create_done; 15124 } 15125 15126 if (mdi_prop_update_int(*pip, LUN_PROP, 15127 lun) != DDI_SUCCESS) { 15128 mptsas_log(mpt, CE_WARN, "mptsas driver unable to " 15129 "create prop for target %d lun %d (LUN_PROP)", 15130 target, lun); 15131 mdi_rtn = MDI_FAILURE; 15132 goto virt_create_done; 15133 } 15134 lun64 = (int64_t)lun; 15135 if (mdi_prop_update_int64(*pip, LUN64_PROP, 15136 lun64) != DDI_SUCCESS) { 15137 mptsas_log(mpt, CE_WARN, "mptsas driver unable to " 15138 "create prop for target %d (LUN64_PROP)", 15139 target); 15140 mdi_rtn = MDI_FAILURE; 15141 goto virt_create_done; 15142 } 15143 if (mdi_prop_update_string_array(*pip, "compatible", 15144 compatible, ncompatible) != 15145 DDI_PROP_SUCCESS) { 15146 mptsas_log(mpt, CE_WARN, "mptsas driver unable to " 15147 "create prop for target %d lun %d (COMPATIBLE)", 15148 target, lun); 15149 mdi_rtn = MDI_FAILURE; 15150 goto virt_create_done; 15151 } 15152 if (sas_wwn && (mdi_prop_update_string(*pip, 15153 SCSI_ADDR_PROP_TARGET_PORT, wwn_str) != DDI_PROP_SUCCESS)) { 15154 mptsas_log(mpt, CE_WARN, "mptsas driver unable to " 15155 "create prop for target %d lun %d " 15156 "(target-port)", target, lun); 15157 mdi_rtn = MDI_FAILURE; 15158 goto virt_create_done; 15159 } else if ((sas_wwn == 0) && (mdi_prop_update_int(*pip, 15160 "sata-phy", phy) != DDI_PROP_SUCCESS)) { 15161 /* 15162 * Direct attached SATA device without DeviceName 15163 */ 15164 mptsas_log(mpt, CE_WARN, "mptsas driver unable to " 15165 "create prop for SAS target %d lun %d " 15166 "(sata-phy)", target, lun); 15167 mdi_rtn = MDI_FAILURE; 15168 goto virt_create_done; 15169 } 15170 mutex_enter(&mpt->m_mutex); 15171 15172 page_address = (MPI2_SAS_DEVICE_PGAD_FORM_HANDLE & 15173 MPI2_SAS_DEVICE_PGAD_FORM_MASK) | 15174 (uint32_t)ptgt->m_devhdl; 15175 rval = mptsas_get_sas_device_page0(mpt, page_address, 15176 &dev_hdl, &dev_sas_wwn, &dev_info, &physport, 15177 &phy_id, &pdev_hdl, &bay_num, &enclosure, &io_flags); 15178 if (rval != DDI_SUCCESS) { 15179 mutex_exit(&mpt->m_mutex); 15180 mptsas_log(mpt, CE_WARN, "mptsas unable to get " 15181 "parent device for handle %d", page_address); 15182 mdi_rtn = MDI_FAILURE; 15183 goto virt_create_done; 15184 } 15185 15186 page_address = (MPI2_SAS_DEVICE_PGAD_FORM_HANDLE & 15187 MPI2_SAS_DEVICE_PGAD_FORM_MASK) | (uint32_t)pdev_hdl; 15188 rval = mptsas_get_sas_device_page0(mpt, page_address, 15189 &dev_hdl, &pdev_sas_wwn, &pdev_info, &physport, 15190 &phy_id, &pdev_hdl, &bay_num, &enclosure, &io_flags); 15191 if (rval != DDI_SUCCESS) { 15192 mutex_exit(&mpt->m_mutex); 15193 mptsas_log(mpt, CE_WARN, "mptsas unable to get" 15194 "device info for handle %d", page_address); 15195 mdi_rtn = MDI_FAILURE; 15196 goto virt_create_done; 15197 } 15198 15199 mutex_exit(&mpt->m_mutex); 15200 15201 /* 15202 * If this device direct attached to the controller 15203 * set the attached-port to the base wwid 15204 */ 15205 if ((ptgt->m_deviceinfo & DEVINFO_DIRECT_ATTACHED) 15206 != DEVINFO_DIRECT_ATTACHED) { 15207 (void) sprintf(pdev_wwn_str, "w%016"PRIx64, 15208 pdev_sas_wwn); 15209 } else { 15210 /* 15211 * Update the iport's attached-port to guid 15212 */ 15213 if (sas_wwn == 0) { 15214 (void) sprintf(wwn_str, "p%x", phy); 15215 } else { 15216 (void) sprintf(wwn_str, "w%016"PRIx64, sas_wwn); 15217 } 15218 if (ddi_prop_update_string(DDI_DEV_T_NONE, 15219 pdip, SCSI_ADDR_PROP_ATTACHED_PORT, wwn_str) != 15220 DDI_PROP_SUCCESS) { 15221 mptsas_log(mpt, CE_WARN, 15222 "mptsas unable to create " 15223 "property for iport target-port" 15224 " %s (sas_wwn)", 15225 wwn_str); 15226 mdi_rtn = MDI_FAILURE; 15227 goto virt_create_done; 15228 } 15229 15230 (void) sprintf(pdev_wwn_str, "w%016"PRIx64, 15231 mpt->un.m_base_wwid); 15232 } 15233 15234 if (mdi_prop_update_string(*pip, 15235 SCSI_ADDR_PROP_ATTACHED_PORT, pdev_wwn_str) != 15236 DDI_PROP_SUCCESS) { 15237 mptsas_log(mpt, CE_WARN, "mptsas unable to create " 15238 "property for iport attached-port %s (sas_wwn)", 15239 attached_wwn_str); 15240 mdi_rtn = MDI_FAILURE; 15241 goto virt_create_done; 15242 } 15243 15244 15245 if (inq->inq_dtype == 0) { 15246 component = kmem_zalloc(MAXPATHLEN, KM_SLEEP); 15247 /* 15248 * set obp path for pathinfo 15249 */ 15250 (void) snprintf(component, MAXPATHLEN, 15251 "disk@%s", lun_addr); 15252 15253 if (mdi_pi_pathname_obp_set(*pip, component) != 15254 DDI_SUCCESS) { 15255 mptsas_log(mpt, CE_WARN, "mpt_sas driver " 15256 "unable to set obp-path for object %s", 15257 component); 15258 mdi_rtn = MDI_FAILURE; 15259 goto virt_create_done; 15260 } 15261 } 15262 15263 *lun_dip = MDI_PI(*pip)->pi_client->ct_dip; 15264 if (devinfo & (MPI2_SAS_DEVICE_INFO_SATA_DEVICE | 15265 MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE)) { 15266 if ((ndi_prop_update_int(DDI_DEV_T_NONE, *lun_dip, 15267 "pm-capable", 1)) != 15268 DDI_PROP_SUCCESS) { 15269 mptsas_log(mpt, CE_WARN, "mptsas driver" 15270 "failed to create pm-capable " 15271 "property, target %d", target); 15272 mdi_rtn = MDI_FAILURE; 15273 goto virt_create_done; 15274 } 15275 } 15276 /* 15277 * Create the phy-num property 15278 */ 15279 if (mdi_prop_update_int(*pip, "phy-num", 15280 ptgt->m_phynum) != DDI_SUCCESS) { 15281 mptsas_log(mpt, CE_WARN, "mptsas driver unable to " 15282 "create phy-num property for target %d lun %d", 15283 target, lun); 15284 mdi_rtn = MDI_FAILURE; 15285 goto virt_create_done; 15286 } 15287 NDBG20(("new path:%s onlining,", MDI_PI(*pip)->pi_addr)); 15288 mdi_rtn = mdi_pi_online(*pip, 0); 15289 if (mdi_rtn == MDI_SUCCESS) { 15290 mutex_enter(&mpt->m_mutex); 15291 ptgt->m_led_status = 0; 15292 (void) mptsas_flush_led_status(mpt, ptgt); 15293 mutex_exit(&mpt->m_mutex); 15294 } 15295 if (mdi_rtn == MDI_NOT_SUPPORTED) { 15296 mdi_rtn = MDI_FAILURE; 15297 } 15298 virt_create_done: 15299 if (*pip && mdi_rtn != MDI_SUCCESS) { 15300 (void) mdi_pi_free(*pip, 0); 15301 *pip = NULL; 15302 *lun_dip = NULL; 15303 } 15304 } 15305 15306 scsi_hba_nodename_compatible_free(nodename, compatible); 15307 if (lun_addr != NULL) { 15308 kmem_free(lun_addr, SCSI_MAXNAMELEN); 15309 } 15310 if (wwn_str != NULL) { 15311 kmem_free(wwn_str, MPTSAS_WWN_STRLEN); 15312 } 15313 if (component != NULL) { 15314 kmem_free(component, MAXPATHLEN); 15315 } 15316 15317 return ((mdi_rtn == MDI_SUCCESS) ? DDI_SUCCESS : DDI_FAILURE); 15318 } 15319 15320 static int 15321 mptsas_create_phys_lun(dev_info_t *pdip, struct scsi_inquiry *inq, 15322 char *guid, dev_info_t **lun_dip, mptsas_target_t *ptgt, int lun) 15323 { 15324 int target; 15325 int rval; 15326 int ndi_rtn = NDI_FAILURE; 15327 uint64_t be_sas_wwn; 15328 char *nodename = NULL; 15329 char **compatible = NULL; 15330 int ncompatible = 0; 15331 int instance = 0; 15332 mptsas_t *mpt = DIP2MPT(pdip); 15333 char *wwn_str = NULL; 15334 char *component = NULL; 15335 char *attached_wwn_str = NULL; 15336 uint8_t phy = 0xFF; 15337 uint64_t sas_wwn; 15338 uint32_t devinfo; 15339 uint16_t dev_hdl; 15340 uint16_t pdev_hdl; 15341 uint64_t pdev_sas_wwn; 15342 uint64_t dev_sas_wwn; 15343 uint32_t pdev_info; 15344 uint8_t physport; 15345 uint8_t phy_id; 15346 uint32_t page_address; 15347 uint16_t bay_num, enclosure, io_flags; 15348 char pdev_wwn_str[MPTSAS_WWN_STRLEN]; 15349 uint32_t dev_info; 15350 int64_t lun64 = 0; 15351 15352 mutex_enter(&mpt->m_mutex); 15353 target = ptgt->m_devhdl; 15354 sas_wwn = ptgt->m_addr.mta_wwn; 15355 devinfo = ptgt->m_deviceinfo; 15356 phy = ptgt->m_phynum; 15357 mutex_exit(&mpt->m_mutex); 15358 15359 /* 15360 * generate compatible property with binding-set "mpt" 15361 */ 15362 scsi_hba_nodename_compatible_get(inq, NULL, inq->inq_dtype, NULL, 15363 &nodename, &compatible, &ncompatible); 15364 15365 /* 15366 * if nodename can't be determined then print a message and skip it 15367 */ 15368 if (nodename == NULL) { 15369 mptsas_log(mpt, CE_WARN, "mptsas found no compatible driver " 15370 "for target %d lun %d", target, lun); 15371 return (DDI_FAILURE); 15372 } 15373 15374 ndi_rtn = ndi_devi_alloc(pdip, nodename, 15375 DEVI_SID_NODEID, lun_dip); 15376 15377 /* 15378 * if lun alloc success, set props 15379 */ 15380 if (ndi_rtn == NDI_SUCCESS) { 15381 15382 if (ndi_prop_update_int(DDI_DEV_T_NONE, 15383 *lun_dip, LUN_PROP, lun) != 15384 DDI_PROP_SUCCESS) { 15385 mptsas_log(mpt, CE_WARN, "mptsas unable to create " 15386 "property for target %d lun %d (LUN_PROP)", 15387 target, lun); 15388 ndi_rtn = NDI_FAILURE; 15389 goto phys_create_done; 15390 } 15391 15392 lun64 = (int64_t)lun; 15393 if (ndi_prop_update_int64(DDI_DEV_T_NONE, 15394 *lun_dip, LUN64_PROP, lun64) != 15395 DDI_PROP_SUCCESS) { 15396 mptsas_log(mpt, CE_WARN, "mptsas unable to create " 15397 "property for target %d lun64 %d (LUN64_PROP)", 15398 target, lun); 15399 ndi_rtn = NDI_FAILURE; 15400 goto phys_create_done; 15401 } 15402 if (ndi_prop_update_string_array(DDI_DEV_T_NONE, 15403 *lun_dip, "compatible", compatible, ncompatible) 15404 != DDI_PROP_SUCCESS) { 15405 mptsas_log(mpt, CE_WARN, "mptsas unable to create " 15406 "property for target %d lun %d (COMPATIBLE)", 15407 target, lun); 15408 ndi_rtn = NDI_FAILURE; 15409 goto phys_create_done; 15410 } 15411 15412 /* 15413 * We need the SAS WWN for non-multipath devices, so 15414 * we'll use the same property as that multipathing 15415 * devices need to present for MPAPI. If we don't have 15416 * a WWN (e.g. parallel SCSI), don't create the prop. 15417 */ 15418 wwn_str = kmem_zalloc(MPTSAS_WWN_STRLEN, KM_SLEEP); 15419 (void) sprintf(wwn_str, "w%016"PRIx64, sas_wwn); 15420 if (sas_wwn && ndi_prop_update_string(DDI_DEV_T_NONE, 15421 *lun_dip, SCSI_ADDR_PROP_TARGET_PORT, wwn_str) 15422 != DDI_PROP_SUCCESS) { 15423 mptsas_log(mpt, CE_WARN, "mptsas unable to " 15424 "create property for SAS target %d lun %d " 15425 "(target-port)", target, lun); 15426 ndi_rtn = NDI_FAILURE; 15427 goto phys_create_done; 15428 } 15429 15430 be_sas_wwn = BE_64(sas_wwn); 15431 if (sas_wwn && ndi_prop_update_byte_array( 15432 DDI_DEV_T_NONE, *lun_dip, "port-wwn", 15433 (uchar_t *)&be_sas_wwn, 8) != DDI_PROP_SUCCESS) { 15434 mptsas_log(mpt, CE_WARN, "mptsas unable to " 15435 "create property for SAS target %d lun %d " 15436 "(port-wwn)", target, lun); 15437 ndi_rtn = NDI_FAILURE; 15438 goto phys_create_done; 15439 } else if ((sas_wwn == 0) && (ndi_prop_update_int( 15440 DDI_DEV_T_NONE, *lun_dip, "sata-phy", phy) != 15441 DDI_PROP_SUCCESS)) { 15442 /* 15443 * Direct attached SATA device without DeviceName 15444 */ 15445 mptsas_log(mpt, CE_WARN, "mptsas unable to " 15446 "create property for SAS target %d lun %d " 15447 "(sata-phy)", target, lun); 15448 ndi_rtn = NDI_FAILURE; 15449 goto phys_create_done; 15450 } 15451 15452 if (ndi_prop_create_boolean(DDI_DEV_T_NONE, 15453 *lun_dip, SAS_PROP) != DDI_PROP_SUCCESS) { 15454 mptsas_log(mpt, CE_WARN, "mptsas unable to" 15455 "create property for SAS target %d lun %d" 15456 " (SAS_PROP)", target, lun); 15457 ndi_rtn = NDI_FAILURE; 15458 goto phys_create_done; 15459 } 15460 if (guid && (ndi_prop_update_string(DDI_DEV_T_NONE, 15461 *lun_dip, NDI_GUID, guid) != DDI_SUCCESS)) { 15462 mptsas_log(mpt, CE_WARN, "mptsas unable " 15463 "to create guid property for target %d " 15464 "lun %d", target, lun); 15465 ndi_rtn = NDI_FAILURE; 15466 goto phys_create_done; 15467 } 15468 15469 /* 15470 * The following code is to set properties for SM-HBA support, 15471 * it doesn't apply to RAID volumes 15472 */ 15473 if (ptgt->m_addr.mta_phymask == 0) 15474 goto phys_raid_lun; 15475 15476 mutex_enter(&mpt->m_mutex); 15477 15478 page_address = (MPI2_SAS_DEVICE_PGAD_FORM_HANDLE & 15479 MPI2_SAS_DEVICE_PGAD_FORM_MASK) | 15480 (uint32_t)ptgt->m_devhdl; 15481 rval = mptsas_get_sas_device_page0(mpt, page_address, 15482 &dev_hdl, &dev_sas_wwn, &dev_info, 15483 &physport, &phy_id, &pdev_hdl, 15484 &bay_num, &enclosure, &io_flags); 15485 if (rval != DDI_SUCCESS) { 15486 mutex_exit(&mpt->m_mutex); 15487 mptsas_log(mpt, CE_WARN, "mptsas unable to get" 15488 "parent device for handle %d.", page_address); 15489 ndi_rtn = NDI_FAILURE; 15490 goto phys_create_done; 15491 } 15492 15493 page_address = (MPI2_SAS_DEVICE_PGAD_FORM_HANDLE & 15494 MPI2_SAS_DEVICE_PGAD_FORM_MASK) | (uint32_t)pdev_hdl; 15495 rval = mptsas_get_sas_device_page0(mpt, page_address, 15496 &dev_hdl, &pdev_sas_wwn, &pdev_info, &physport, 15497 &phy_id, &pdev_hdl, &bay_num, &enclosure, &io_flags); 15498 if (rval != DDI_SUCCESS) { 15499 mutex_exit(&mpt->m_mutex); 15500 mptsas_log(mpt, CE_WARN, "mptsas unable to create " 15501 "device for handle %d.", page_address); 15502 ndi_rtn = NDI_FAILURE; 15503 goto phys_create_done; 15504 } 15505 15506 mutex_exit(&mpt->m_mutex); 15507 15508 /* 15509 * If this device direct attached to the controller 15510 * set the attached-port to the base wwid 15511 */ 15512 if ((ptgt->m_deviceinfo & DEVINFO_DIRECT_ATTACHED) 15513 != DEVINFO_DIRECT_ATTACHED) { 15514 (void) sprintf(pdev_wwn_str, "w%016"PRIx64, 15515 pdev_sas_wwn); 15516 } else { 15517 /* 15518 * Update the iport's attached-port to guid 15519 */ 15520 if (sas_wwn == 0) { 15521 (void) sprintf(wwn_str, "p%x", phy); 15522 } else { 15523 (void) sprintf(wwn_str, "w%016"PRIx64, sas_wwn); 15524 } 15525 if (ddi_prop_update_string(DDI_DEV_T_NONE, 15526 pdip, SCSI_ADDR_PROP_ATTACHED_PORT, wwn_str) != 15527 DDI_PROP_SUCCESS) { 15528 mptsas_log(mpt, CE_WARN, 15529 "mptsas unable to create " 15530 "property for iport target-port" 15531 " %s (sas_wwn)", 15532 wwn_str); 15533 ndi_rtn = NDI_FAILURE; 15534 goto phys_create_done; 15535 } 15536 15537 (void) sprintf(pdev_wwn_str, "w%016"PRIx64, 15538 mpt->un.m_base_wwid); 15539 } 15540 15541 if (ndi_prop_update_string(DDI_DEV_T_NONE, 15542 *lun_dip, SCSI_ADDR_PROP_ATTACHED_PORT, pdev_wwn_str) != 15543 DDI_PROP_SUCCESS) { 15544 mptsas_log(mpt, CE_WARN, 15545 "mptsas unable to create " 15546 "property for iport attached-port %s (sas_wwn)", 15547 attached_wwn_str); 15548 ndi_rtn = NDI_FAILURE; 15549 goto phys_create_done; 15550 } 15551 15552 if (IS_SATA_DEVICE(dev_info)) { 15553 if (ndi_prop_update_string(DDI_DEV_T_NONE, 15554 *lun_dip, MPTSAS_VARIANT, "sata") != 15555 DDI_PROP_SUCCESS) { 15556 mptsas_log(mpt, CE_WARN, 15557 "mptsas unable to create " 15558 "property for device variant "); 15559 ndi_rtn = NDI_FAILURE; 15560 goto phys_create_done; 15561 } 15562 } 15563 15564 if (IS_ATAPI_DEVICE(dev_info)) { 15565 if (ndi_prop_update_string(DDI_DEV_T_NONE, 15566 *lun_dip, MPTSAS_VARIANT, "atapi") != 15567 DDI_PROP_SUCCESS) { 15568 mptsas_log(mpt, CE_WARN, 15569 "mptsas unable to create " 15570 "property for device variant "); 15571 ndi_rtn = NDI_FAILURE; 15572 goto phys_create_done; 15573 } 15574 } 15575 15576 phys_raid_lun: 15577 /* 15578 * if this is a SAS controller, and the target is a SATA 15579 * drive, set the 'pm-capable' property for sd and if on 15580 * an OPL platform, also check if this is an ATAPI 15581 * device. 15582 */ 15583 instance = ddi_get_instance(mpt->m_dip); 15584 if (devinfo & (MPI2_SAS_DEVICE_INFO_SATA_DEVICE | 15585 MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE)) { 15586 NDBG2(("mptsas%d: creating pm-capable property, " 15587 "target %d", instance, target)); 15588 15589 if ((ndi_prop_update_int(DDI_DEV_T_NONE, 15590 *lun_dip, "pm-capable", 1)) != 15591 DDI_PROP_SUCCESS) { 15592 mptsas_log(mpt, CE_WARN, "mptsas " 15593 "failed to create pm-capable " 15594 "property, target %d", target); 15595 ndi_rtn = NDI_FAILURE; 15596 goto phys_create_done; 15597 } 15598 15599 } 15600 15601 if ((inq->inq_dtype == 0) || (inq->inq_dtype == 5)) { 15602 /* 15603 * add 'obp-path' properties for devinfo 15604 */ 15605 bzero(wwn_str, sizeof (wwn_str)); 15606 (void) sprintf(wwn_str, "%016"PRIx64, sas_wwn); 15607 component = kmem_zalloc(MAXPATHLEN, KM_SLEEP); 15608 if (guid) { 15609 (void) snprintf(component, MAXPATHLEN, 15610 "disk@w%s,%x", wwn_str, lun); 15611 } else { 15612 (void) snprintf(component, MAXPATHLEN, 15613 "disk@p%x,%x", phy, lun); 15614 } 15615 if (ddi_pathname_obp_set(*lun_dip, component) 15616 != DDI_SUCCESS) { 15617 mptsas_log(mpt, CE_WARN, "mpt_sas driver " 15618 "unable to set obp-path for SAS " 15619 "object %s", component); 15620 ndi_rtn = NDI_FAILURE; 15621 goto phys_create_done; 15622 } 15623 } 15624 /* 15625 * Create the phy-num property for non-raid disk 15626 */ 15627 if (ptgt->m_addr.mta_phymask != 0) { 15628 if (ndi_prop_update_int(DDI_DEV_T_NONE, 15629 *lun_dip, "phy-num", ptgt->m_phynum) != 15630 DDI_PROP_SUCCESS) { 15631 mptsas_log(mpt, CE_WARN, "mptsas driver " 15632 "failed to create phy-num property for " 15633 "target %d", target); 15634 ndi_rtn = NDI_FAILURE; 15635 goto phys_create_done; 15636 } 15637 } 15638 phys_create_done: 15639 /* 15640 * If props were setup ok, online the lun 15641 */ 15642 if (ndi_rtn == NDI_SUCCESS) { 15643 /* 15644 * Try to online the new node 15645 */ 15646 ndi_rtn = ndi_devi_online(*lun_dip, NDI_ONLINE_ATTACH); 15647 } 15648 if (ndi_rtn == NDI_SUCCESS) { 15649 mutex_enter(&mpt->m_mutex); 15650 ptgt->m_led_status = 0; 15651 (void) mptsas_flush_led_status(mpt, ptgt); 15652 mutex_exit(&mpt->m_mutex); 15653 } 15654 15655 /* 15656 * If success set rtn flag, else unwire alloc'd lun 15657 */ 15658 if (ndi_rtn != NDI_SUCCESS) { 15659 NDBG12(("mptsas driver unable to online " 15660 "target %d lun %d", target, lun)); 15661 ndi_prop_remove_all(*lun_dip); 15662 (void) ndi_devi_free(*lun_dip); 15663 *lun_dip = NULL; 15664 } 15665 } 15666 15667 scsi_hba_nodename_compatible_free(nodename, compatible); 15668 15669 if (wwn_str != NULL) { 15670 kmem_free(wwn_str, MPTSAS_WWN_STRLEN); 15671 } 15672 if (component != NULL) { 15673 kmem_free(component, MAXPATHLEN); 15674 } 15675 15676 15677 return ((ndi_rtn == NDI_SUCCESS) ? DDI_SUCCESS : DDI_FAILURE); 15678 } 15679 15680 static int 15681 mptsas_probe_smp(dev_info_t *pdip, uint64_t wwn) 15682 { 15683 mptsas_t *mpt = DIP2MPT(pdip); 15684 struct smp_device smp_sd; 15685 15686 /* XXX An HBA driver should not be allocating an smp_device. */ 15687 bzero(&smp_sd, sizeof (struct smp_device)); 15688 smp_sd.smp_sd_address.smp_a_hba_tran = mpt->m_smptran; 15689 bcopy(&wwn, smp_sd.smp_sd_address.smp_a_wwn, SAS_WWN_BYTE_SIZE); 15690 15691 if (smp_probe(&smp_sd) != DDI_PROBE_SUCCESS) 15692 return (NDI_FAILURE); 15693 return (NDI_SUCCESS); 15694 } 15695 15696 static int 15697 mptsas_config_smp(dev_info_t *pdip, uint64_t sas_wwn, dev_info_t **smp_dip) 15698 { 15699 mptsas_t *mpt = DIP2MPT(pdip); 15700 mptsas_smp_t *psmp = NULL; 15701 int rval; 15702 int phymask; 15703 15704 /* 15705 * Get the physical port associated to the iport 15706 * PHYMASK TODO 15707 */ 15708 phymask = ddi_prop_get_int(DDI_DEV_T_ANY, pdip, 0, 15709 "phymask", 0); 15710 /* 15711 * Find the smp node in hash table with specified sas address and 15712 * physical port 15713 */ 15714 psmp = mptsas_wwid_to_psmp(mpt, phymask, sas_wwn); 15715 if (psmp == NULL) { 15716 return (DDI_FAILURE); 15717 } 15718 15719 rval = mptsas_online_smp(pdip, psmp, smp_dip); 15720 15721 return (rval); 15722 } 15723 15724 static int 15725 mptsas_online_smp(dev_info_t *pdip, mptsas_smp_t *smp_node, 15726 dev_info_t **smp_dip) 15727 { 15728 char wwn_str[MPTSAS_WWN_STRLEN]; 15729 char attached_wwn_str[MPTSAS_WWN_STRLEN]; 15730 int ndi_rtn = NDI_FAILURE; 15731 int rval = 0; 15732 mptsas_smp_t dev_info; 15733 uint32_t page_address; 15734 mptsas_t *mpt = DIP2MPT(pdip); 15735 uint16_t dev_hdl; 15736 uint64_t sas_wwn; 15737 uint64_t smp_sas_wwn; 15738 uint8_t physport; 15739 uint8_t phy_id; 15740 uint16_t pdev_hdl; 15741 uint8_t numphys = 0; 15742 uint16_t i = 0; 15743 char phymask[MPTSAS_MAX_PHYS]; 15744 char *iport = NULL; 15745 mptsas_phymask_t phy_mask = 0; 15746 uint16_t attached_devhdl; 15747 uint16_t bay_num, enclosure, io_flags; 15748 15749 (void) sprintf(wwn_str, "%"PRIx64, smp_node->m_addr.mta_wwn); 15750 15751 /* 15752 * Probe smp device, prevent the node of removed device from being 15753 * configured succesfully 15754 */ 15755 if (mptsas_probe_smp(pdip, smp_node->m_addr.mta_wwn) != NDI_SUCCESS) { 15756 return (DDI_FAILURE); 15757 } 15758 15759 if ((*smp_dip = mptsas_find_smp_child(pdip, wwn_str)) != NULL) { 15760 return (DDI_SUCCESS); 15761 } 15762 15763 ndi_rtn = ndi_devi_alloc(pdip, "smp", DEVI_SID_NODEID, smp_dip); 15764 15765 /* 15766 * if lun alloc success, set props 15767 */ 15768 if (ndi_rtn == NDI_SUCCESS) { 15769 /* 15770 * Set the flavor of the child to be SMP flavored 15771 */ 15772 ndi_flavor_set(*smp_dip, SCSA_FLAVOR_SMP); 15773 15774 if (ndi_prop_update_string(DDI_DEV_T_NONE, 15775 *smp_dip, SMP_WWN, wwn_str) != 15776 DDI_PROP_SUCCESS) { 15777 mptsas_log(mpt, CE_WARN, "mptsas unable to create " 15778 "property for smp device %s (sas_wwn)", 15779 wwn_str); 15780 ndi_rtn = NDI_FAILURE; 15781 goto smp_create_done; 15782 } 15783 (void) sprintf(wwn_str, "w%"PRIx64, smp_node->m_addr.mta_wwn); 15784 if (ndi_prop_update_string(DDI_DEV_T_NONE, 15785 *smp_dip, SCSI_ADDR_PROP_TARGET_PORT, wwn_str) != 15786 DDI_PROP_SUCCESS) { 15787 mptsas_log(mpt, CE_WARN, "mptsas unable to create " 15788 "property for iport target-port %s (sas_wwn)", 15789 wwn_str); 15790 ndi_rtn = NDI_FAILURE; 15791 goto smp_create_done; 15792 } 15793 15794 mutex_enter(&mpt->m_mutex); 15795 15796 page_address = (MPI2_SAS_EXPAND_PGAD_FORM_HNDL & 15797 MPI2_SAS_EXPAND_PGAD_FORM_MASK) | smp_node->m_devhdl; 15798 rval = mptsas_get_sas_expander_page0(mpt, page_address, 15799 &dev_info); 15800 if (rval != DDI_SUCCESS) { 15801 mutex_exit(&mpt->m_mutex); 15802 mptsas_log(mpt, CE_WARN, 15803 "mptsas unable to get expander " 15804 "parent device info for %x", page_address); 15805 ndi_rtn = NDI_FAILURE; 15806 goto smp_create_done; 15807 } 15808 15809 smp_node->m_pdevhdl = dev_info.m_pdevhdl; 15810 page_address = (MPI2_SAS_DEVICE_PGAD_FORM_HANDLE & 15811 MPI2_SAS_DEVICE_PGAD_FORM_MASK) | 15812 (uint32_t)dev_info.m_pdevhdl; 15813 rval = mptsas_get_sas_device_page0(mpt, page_address, 15814 &dev_hdl, &sas_wwn, &smp_node->m_pdevinfo, &physport, 15815 &phy_id, &pdev_hdl, &bay_num, &enclosure, &io_flags); 15816 if (rval != DDI_SUCCESS) { 15817 mutex_exit(&mpt->m_mutex); 15818 mptsas_log(mpt, CE_WARN, "mptsas unable to get " 15819 "device info for %x", page_address); 15820 ndi_rtn = NDI_FAILURE; 15821 goto smp_create_done; 15822 } 15823 15824 page_address = (MPI2_SAS_DEVICE_PGAD_FORM_HANDLE & 15825 MPI2_SAS_DEVICE_PGAD_FORM_MASK) | 15826 (uint32_t)dev_info.m_devhdl; 15827 rval = mptsas_get_sas_device_page0(mpt, page_address, 15828 &dev_hdl, &smp_sas_wwn, &smp_node->m_deviceinfo, 15829 &physport, &phy_id, &pdev_hdl, &bay_num, &enclosure, 15830 &io_flags); 15831 if (rval != DDI_SUCCESS) { 15832 mutex_exit(&mpt->m_mutex); 15833 mptsas_log(mpt, CE_WARN, "mptsas unable to get " 15834 "device info for %x", page_address); 15835 ndi_rtn = NDI_FAILURE; 15836 goto smp_create_done; 15837 } 15838 mutex_exit(&mpt->m_mutex); 15839 15840 /* 15841 * If this smp direct attached to the controller 15842 * set the attached-port to the base wwid 15843 */ 15844 if ((smp_node->m_deviceinfo & DEVINFO_DIRECT_ATTACHED) 15845 != DEVINFO_DIRECT_ATTACHED) { 15846 (void) sprintf(attached_wwn_str, "w%016"PRIx64, 15847 sas_wwn); 15848 } else { 15849 (void) sprintf(attached_wwn_str, "w%016"PRIx64, 15850 mpt->un.m_base_wwid); 15851 } 15852 15853 if (ndi_prop_update_string(DDI_DEV_T_NONE, 15854 *smp_dip, SCSI_ADDR_PROP_ATTACHED_PORT, attached_wwn_str) != 15855 DDI_PROP_SUCCESS) { 15856 mptsas_log(mpt, CE_WARN, "mptsas unable to create " 15857 "property for smp attached-port %s (sas_wwn)", 15858 attached_wwn_str); 15859 ndi_rtn = NDI_FAILURE; 15860 goto smp_create_done; 15861 } 15862 15863 if (ndi_prop_create_boolean(DDI_DEV_T_NONE, 15864 *smp_dip, SMP_PROP) != DDI_PROP_SUCCESS) { 15865 mptsas_log(mpt, CE_WARN, "mptsas unable to " 15866 "create property for SMP %s (SMP_PROP) ", 15867 wwn_str); 15868 ndi_rtn = NDI_FAILURE; 15869 goto smp_create_done; 15870 } 15871 15872 /* 15873 * check the smp to see whether it direct 15874 * attached to the controller 15875 */ 15876 if ((smp_node->m_deviceinfo & DEVINFO_DIRECT_ATTACHED) 15877 != DEVINFO_DIRECT_ATTACHED) { 15878 goto smp_create_done; 15879 } 15880 numphys = ddi_prop_get_int(DDI_DEV_T_ANY, pdip, 15881 DDI_PROP_DONTPASS, MPTSAS_NUM_PHYS, -1); 15882 if (numphys > 0) { 15883 goto smp_create_done; 15884 } 15885 /* 15886 * this iport is an old iport, we need to 15887 * reconfig the props for it. 15888 */ 15889 if (ddi_prop_update_int(DDI_DEV_T_NONE, pdip, 15890 MPTSAS_VIRTUAL_PORT, 0) != 15891 DDI_PROP_SUCCESS) { 15892 (void) ddi_prop_remove(DDI_DEV_T_NONE, pdip, 15893 MPTSAS_VIRTUAL_PORT); 15894 mptsas_log(mpt, CE_WARN, "mptsas virtual port " 15895 "prop update failed"); 15896 goto smp_create_done; 15897 } 15898 15899 mutex_enter(&mpt->m_mutex); 15900 numphys = 0; 15901 iport = ddi_get_name_addr(pdip); 15902 for (i = 0; i < MPTSAS_MAX_PHYS; i++) { 15903 bzero(phymask, sizeof (phymask)); 15904 (void) sprintf(phymask, 15905 "%x", mpt->m_phy_info[i].phy_mask); 15906 if (strcmp(phymask, iport) == 0) { 15907 phy_mask = mpt->m_phy_info[i].phy_mask; 15908 break; 15909 } 15910 } 15911 15912 for (i = 0; i < MPTSAS_MAX_PHYS; i++) { 15913 if ((phy_mask >> i) & 0x01) { 15914 numphys++; 15915 } 15916 } 15917 /* 15918 * Update PHY info for smhba 15919 */ 15920 if (mptsas_smhba_phy_init(mpt)) { 15921 mutex_exit(&mpt->m_mutex); 15922 mptsas_log(mpt, CE_WARN, "mptsas phy update " 15923 "failed"); 15924 goto smp_create_done; 15925 } 15926 mutex_exit(&mpt->m_mutex); 15927 15928 mptsas_smhba_set_all_phy_props(mpt, pdip, numphys, phy_mask, 15929 &attached_devhdl); 15930 15931 if (ddi_prop_update_int(DDI_DEV_T_NONE, pdip, 15932 MPTSAS_NUM_PHYS, numphys) != 15933 DDI_PROP_SUCCESS) { 15934 (void) ddi_prop_remove(DDI_DEV_T_NONE, pdip, 15935 MPTSAS_NUM_PHYS); 15936 mptsas_log(mpt, CE_WARN, "mptsas update " 15937 "num phys props failed"); 15938 goto smp_create_done; 15939 } 15940 /* 15941 * Add parent's props for SMHBA support 15942 */ 15943 if (ddi_prop_update_string(DDI_DEV_T_NONE, pdip, 15944 SCSI_ADDR_PROP_ATTACHED_PORT, wwn_str) != 15945 DDI_PROP_SUCCESS) { 15946 (void) ddi_prop_remove(DDI_DEV_T_NONE, pdip, 15947 SCSI_ADDR_PROP_ATTACHED_PORT); 15948 mptsas_log(mpt, CE_WARN, "mptsas update iport" 15949 "attached-port failed"); 15950 goto smp_create_done; 15951 } 15952 15953 smp_create_done: 15954 /* 15955 * If props were setup ok, online the lun 15956 */ 15957 if (ndi_rtn == NDI_SUCCESS) { 15958 /* 15959 * Try to online the new node 15960 */ 15961 ndi_rtn = ndi_devi_online(*smp_dip, NDI_ONLINE_ATTACH); 15962 } 15963 15964 /* 15965 * If success set rtn flag, else unwire alloc'd lun 15966 */ 15967 if (ndi_rtn != NDI_SUCCESS) { 15968 NDBG12(("mptsas unable to online " 15969 "SMP target %s", wwn_str)); 15970 ndi_prop_remove_all(*smp_dip); 15971 (void) ndi_devi_free(*smp_dip); 15972 } 15973 } 15974 15975 return ((ndi_rtn == NDI_SUCCESS) ? DDI_SUCCESS : DDI_FAILURE); 15976 } 15977 15978 /* smp transport routine */ 15979 static int mptsas_smp_start(struct smp_pkt *smp_pkt) 15980 { 15981 uint64_t wwn; 15982 Mpi2SmpPassthroughRequest_t req; 15983 Mpi2SmpPassthroughReply_t rep; 15984 uint32_t direction = 0; 15985 mptsas_t *mpt; 15986 int ret; 15987 uint64_t tmp64; 15988 15989 mpt = (mptsas_t *)smp_pkt->smp_pkt_address-> 15990 smp_a_hba_tran->smp_tran_hba_private; 15991 15992 bcopy(smp_pkt->smp_pkt_address->smp_a_wwn, &wwn, SAS_WWN_BYTE_SIZE); 15993 /* 15994 * Need to compose a SMP request message 15995 * and call mptsas_do_passthru() function 15996 */ 15997 bzero(&req, sizeof (req)); 15998 bzero(&rep, sizeof (rep)); 15999 req.PassthroughFlags = 0; 16000 req.PhysicalPort = 0xff; 16001 req.ChainOffset = 0; 16002 req.Function = MPI2_FUNCTION_SMP_PASSTHROUGH; 16003 16004 if ((smp_pkt->smp_pkt_reqsize & 0xffff0000ul) != 0) { 16005 smp_pkt->smp_pkt_reason = ERANGE; 16006 return (DDI_FAILURE); 16007 } 16008 req.RequestDataLength = LE_16((uint16_t)(smp_pkt->smp_pkt_reqsize - 4)); 16009 16010 req.MsgFlags = 0; 16011 tmp64 = LE_64(wwn); 16012 bcopy(&tmp64, &req.SASAddress, SAS_WWN_BYTE_SIZE); 16013 if (smp_pkt->smp_pkt_rspsize > 0) { 16014 direction |= MPTSAS_PASS_THRU_DIRECTION_READ; 16015 } 16016 if (smp_pkt->smp_pkt_reqsize > 0) { 16017 direction |= MPTSAS_PASS_THRU_DIRECTION_WRITE; 16018 } 16019 16020 mutex_enter(&mpt->m_mutex); 16021 ret = mptsas_do_passthru(mpt, (uint8_t *)&req, (uint8_t *)&rep, 16022 (uint8_t *)smp_pkt->smp_pkt_rsp, 16023 offsetof(Mpi2SmpPassthroughRequest_t, SGL), sizeof (rep), 16024 smp_pkt->smp_pkt_rspsize - 4, direction, 16025 (uint8_t *)smp_pkt->smp_pkt_req, smp_pkt->smp_pkt_reqsize - 4, 16026 smp_pkt->smp_pkt_timeout, FKIOCTL); 16027 mutex_exit(&mpt->m_mutex); 16028 if (ret != 0) { 16029 cmn_err(CE_WARN, "smp_start do passthru error %d", ret); 16030 smp_pkt->smp_pkt_reason = (uchar_t)(ret); 16031 return (DDI_FAILURE); 16032 } 16033 /* do passthrough success, check the smp status */ 16034 if (LE_16(rep.IOCStatus) != MPI2_IOCSTATUS_SUCCESS) { 16035 switch (LE_16(rep.IOCStatus)) { 16036 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE: 16037 smp_pkt->smp_pkt_reason = ENODEV; 16038 break; 16039 case MPI2_IOCSTATUS_SAS_SMP_DATA_OVERRUN: 16040 smp_pkt->smp_pkt_reason = EOVERFLOW; 16041 break; 16042 case MPI2_IOCSTATUS_SAS_SMP_REQUEST_FAILED: 16043 smp_pkt->smp_pkt_reason = EIO; 16044 break; 16045 default: 16046 mptsas_log(mpt, CE_NOTE, "smp_start: get unknown ioc" 16047 "status:%x", LE_16(rep.IOCStatus)); 16048 smp_pkt->smp_pkt_reason = EIO; 16049 break; 16050 } 16051 return (DDI_FAILURE); 16052 } 16053 if (rep.SASStatus != MPI2_SASSTATUS_SUCCESS) { 16054 mptsas_log(mpt, CE_NOTE, "smp_start: get error SAS status:%x", 16055 rep.SASStatus); 16056 smp_pkt->smp_pkt_reason = EIO; 16057 return (DDI_FAILURE); 16058 } 16059 16060 return (DDI_SUCCESS); 16061 } 16062 16063 /* 16064 * If we didn't get a match, we need to get sas page0 for each device, and 16065 * untill we get a match. If failed, return NULL 16066 */ 16067 static mptsas_target_t * 16068 mptsas_phy_to_tgt(mptsas_t *mpt, mptsas_phymask_t phymask, uint8_t phy) 16069 { 16070 int i, j = 0; 16071 int rval = 0; 16072 uint16_t cur_handle; 16073 uint32_t page_address; 16074 mptsas_target_t *ptgt = NULL; 16075 16076 /* 16077 * PHY named device must be direct attached and attaches to 16078 * narrow port, if the iport is not parent of the device which 16079 * we are looking for. 16080 */ 16081 for (i = 0; i < MPTSAS_MAX_PHYS; i++) { 16082 if ((1 << i) & phymask) 16083 j++; 16084 } 16085 16086 if (j > 1) 16087 return (NULL); 16088 16089 /* 16090 * Must be a narrow port and single device attached to the narrow port 16091 * So the physical port num of device which is equal to the iport's 16092 * port num is the device what we are looking for. 16093 */ 16094 16095 if (mpt->m_phy_info[phy].phy_mask != phymask) 16096 return (NULL); 16097 16098 mutex_enter(&mpt->m_mutex); 16099 16100 ptgt = refhash_linear_search(mpt->m_targets, mptsas_target_eval_nowwn, 16101 &phy); 16102 if (ptgt != NULL) { 16103 mutex_exit(&mpt->m_mutex); 16104 return (ptgt); 16105 } 16106 16107 if (mpt->m_done_traverse_dev) { 16108 mutex_exit(&mpt->m_mutex); 16109 return (NULL); 16110 } 16111 16112 /* If didn't get a match, come here */ 16113 cur_handle = mpt->m_dev_handle; 16114 for (; ; ) { 16115 ptgt = NULL; 16116 page_address = (MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE & 16117 MPI2_SAS_DEVICE_PGAD_FORM_MASK) | (uint32_t)cur_handle; 16118 rval = mptsas_get_target_device_info(mpt, page_address, 16119 &cur_handle, &ptgt); 16120 if ((rval == DEV_INFO_FAIL_PAGE0) || 16121 (rval == DEV_INFO_FAIL_ALLOC)) { 16122 break; 16123 } 16124 if ((rval == DEV_INFO_WRONG_DEVICE_TYPE) || 16125 (rval == DEV_INFO_PHYS_DISK)) { 16126 continue; 16127 } 16128 mpt->m_dev_handle = cur_handle; 16129 16130 if ((ptgt->m_addr.mta_wwn == 0) && (ptgt->m_phynum == phy)) { 16131 break; 16132 } 16133 } 16134 16135 mutex_exit(&mpt->m_mutex); 16136 return (ptgt); 16137 } 16138 16139 /* 16140 * The ptgt->m_addr.mta_wwn contains the wwid for each disk. 16141 * For Raid volumes, we need to check m_raidvol[x].m_raidwwid 16142 * If we didn't get a match, we need to get sas page0 for each device, and 16143 * untill we get a match 16144 * If failed, return NULL 16145 */ 16146 static mptsas_target_t * 16147 mptsas_wwid_to_ptgt(mptsas_t *mpt, mptsas_phymask_t phymask, uint64_t wwid) 16148 { 16149 int rval = 0; 16150 uint16_t cur_handle; 16151 uint32_t page_address; 16152 mptsas_target_t *tmp_tgt = NULL; 16153 mptsas_target_addr_t addr; 16154 16155 addr.mta_wwn = wwid; 16156 addr.mta_phymask = phymask; 16157 mutex_enter(&mpt->m_mutex); 16158 tmp_tgt = refhash_lookup(mpt->m_targets, &addr); 16159 if (tmp_tgt != NULL) { 16160 mutex_exit(&mpt->m_mutex); 16161 return (tmp_tgt); 16162 } 16163 16164 if (phymask == 0) { 16165 /* 16166 * It's IR volume 16167 */ 16168 rval = mptsas_get_raid_info(mpt); 16169 if (rval) { 16170 tmp_tgt = refhash_lookup(mpt->m_targets, &addr); 16171 } 16172 mutex_exit(&mpt->m_mutex); 16173 return (tmp_tgt); 16174 } 16175 16176 if (mpt->m_done_traverse_dev) { 16177 mutex_exit(&mpt->m_mutex); 16178 return (NULL); 16179 } 16180 16181 /* If didn't get a match, come here */ 16182 cur_handle = mpt->m_dev_handle; 16183 for (;;) { 16184 tmp_tgt = NULL; 16185 page_address = (MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE & 16186 MPI2_SAS_DEVICE_PGAD_FORM_MASK) | cur_handle; 16187 rval = mptsas_get_target_device_info(mpt, page_address, 16188 &cur_handle, &tmp_tgt); 16189 if ((rval == DEV_INFO_FAIL_PAGE0) || 16190 (rval == DEV_INFO_FAIL_ALLOC)) { 16191 tmp_tgt = NULL; 16192 break; 16193 } 16194 if ((rval == DEV_INFO_WRONG_DEVICE_TYPE) || 16195 (rval == DEV_INFO_PHYS_DISK)) { 16196 continue; 16197 } 16198 mpt->m_dev_handle = cur_handle; 16199 if ((tmp_tgt->m_addr.mta_wwn) && 16200 (tmp_tgt->m_addr.mta_wwn == wwid) && 16201 (tmp_tgt->m_addr.mta_phymask == phymask)) { 16202 break; 16203 } 16204 } 16205 16206 mutex_exit(&mpt->m_mutex); 16207 return (tmp_tgt); 16208 } 16209 16210 static mptsas_smp_t * 16211 mptsas_wwid_to_psmp(mptsas_t *mpt, mptsas_phymask_t phymask, uint64_t wwid) 16212 { 16213 int rval = 0; 16214 uint16_t cur_handle; 16215 uint32_t page_address; 16216 mptsas_smp_t smp_node, *psmp = NULL; 16217 mptsas_target_addr_t addr; 16218 16219 addr.mta_wwn = wwid; 16220 addr.mta_phymask = phymask; 16221 mutex_enter(&mpt->m_mutex); 16222 psmp = refhash_lookup(mpt->m_smp_targets, &addr); 16223 if (psmp != NULL) { 16224 mutex_exit(&mpt->m_mutex); 16225 return (psmp); 16226 } 16227 16228 if (mpt->m_done_traverse_smp) { 16229 mutex_exit(&mpt->m_mutex); 16230 return (NULL); 16231 } 16232 16233 /* If didn't get a match, come here */ 16234 cur_handle = mpt->m_smp_devhdl; 16235 for (;;) { 16236 psmp = NULL; 16237 page_address = (MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL & 16238 MPI2_SAS_EXPAND_PGAD_FORM_MASK) | (uint32_t)cur_handle; 16239 rval = mptsas_get_sas_expander_page0(mpt, page_address, 16240 &smp_node); 16241 if (rval != DDI_SUCCESS) { 16242 break; 16243 } 16244 mpt->m_smp_devhdl = cur_handle = smp_node.m_devhdl; 16245 psmp = mptsas_smp_alloc(mpt, &smp_node); 16246 ASSERT(psmp); 16247 if ((psmp->m_addr.mta_wwn) && (psmp->m_addr.mta_wwn == wwid) && 16248 (psmp->m_addr.mta_phymask == phymask)) { 16249 break; 16250 } 16251 } 16252 16253 mutex_exit(&mpt->m_mutex); 16254 return (psmp); 16255 } 16256 16257 mptsas_target_t * 16258 mptsas_tgt_alloc(mptsas_t *mpt, uint16_t devhdl, uint64_t wwid, 16259 uint32_t devinfo, mptsas_phymask_t phymask, uint8_t phynum) 16260 { 16261 mptsas_target_t *tmp_tgt = NULL; 16262 mptsas_target_addr_t addr; 16263 16264 addr.mta_wwn = wwid; 16265 addr.mta_phymask = phymask; 16266 tmp_tgt = refhash_lookup(mpt->m_targets, &addr); 16267 if (tmp_tgt != NULL) { 16268 NDBG20(("Hash item already exist")); 16269 tmp_tgt->m_deviceinfo = devinfo; 16270 tmp_tgt->m_devhdl = devhdl; /* XXX - duplicate? */ 16271 return (tmp_tgt); 16272 } 16273 tmp_tgt = kmem_zalloc(sizeof (struct mptsas_target), KM_SLEEP); 16274 if (tmp_tgt == NULL) { 16275 cmn_err(CE_WARN, "Fatal, allocated tgt failed"); 16276 return (NULL); 16277 } 16278 tmp_tgt->m_devhdl = devhdl; 16279 tmp_tgt->m_addr.mta_wwn = wwid; 16280 tmp_tgt->m_deviceinfo = devinfo; 16281 tmp_tgt->m_addr.mta_phymask = phymask; 16282 tmp_tgt->m_phynum = phynum; 16283 /* Initialized the tgt structure */ 16284 tmp_tgt->m_qfull_retries = QFULL_RETRIES; 16285 tmp_tgt->m_qfull_retry_interval = 16286 drv_usectohz(QFULL_RETRY_INTERVAL * 1000); 16287 tmp_tgt->m_t_throttle = MAX_THROTTLE; 16288 TAILQ_INIT(&tmp_tgt->m_active_cmdq); 16289 16290 refhash_insert(mpt->m_targets, tmp_tgt); 16291 16292 return (tmp_tgt); 16293 } 16294 16295 static void 16296 mptsas_smp_target_copy(mptsas_smp_t *src, mptsas_smp_t *dst) 16297 { 16298 dst->m_devhdl = src->m_devhdl; 16299 dst->m_deviceinfo = src->m_deviceinfo; 16300 dst->m_pdevhdl = src->m_pdevhdl; 16301 dst->m_pdevinfo = src->m_pdevinfo; 16302 } 16303 16304 static mptsas_smp_t * 16305 mptsas_smp_alloc(mptsas_t *mpt, mptsas_smp_t *data) 16306 { 16307 mptsas_target_addr_t addr; 16308 mptsas_smp_t *ret_data; 16309 16310 addr.mta_wwn = data->m_addr.mta_wwn; 16311 addr.mta_phymask = data->m_addr.mta_phymask; 16312 ret_data = refhash_lookup(mpt->m_smp_targets, &addr); 16313 /* 16314 * If there's already a matching SMP target, update its fields 16315 * in place. Since the address is not changing, it's safe to do 16316 * this. We cannot just bcopy() here because the structure we've 16317 * been given has invalid hash links. 16318 */ 16319 if (ret_data != NULL) { 16320 mptsas_smp_target_copy(data, ret_data); 16321 return (ret_data); 16322 } 16323 16324 ret_data = kmem_alloc(sizeof (mptsas_smp_t), KM_SLEEP); 16325 bcopy(data, ret_data, sizeof (mptsas_smp_t)); 16326 refhash_insert(mpt->m_smp_targets, ret_data); 16327 return (ret_data); 16328 } 16329 16330 /* 16331 * Functions for SGPIO LED support 16332 */ 16333 static dev_info_t * 16334 mptsas_get_dip_from_dev(dev_t dev, mptsas_phymask_t *phymask) 16335 { 16336 dev_info_t *dip; 16337 int prop; 16338 dip = e_ddi_hold_devi_by_dev(dev, 0); 16339 if (dip == NULL) 16340 return (dip); 16341 prop = ddi_prop_get_int(DDI_DEV_T_ANY, dip, 0, 16342 "phymask", 0); 16343 *phymask = (mptsas_phymask_t)prop; 16344 ddi_release_devi(dip); 16345 return (dip); 16346 } 16347 static mptsas_target_t * 16348 mptsas_addr_to_ptgt(mptsas_t *mpt, char *addr, mptsas_phymask_t phymask) 16349 { 16350 uint8_t phynum; 16351 uint64_t wwn; 16352 int lun; 16353 mptsas_target_t *ptgt = NULL; 16354 16355 if (mptsas_parse_address(addr, &wwn, &phynum, &lun) != DDI_SUCCESS) { 16356 return (NULL); 16357 } 16358 if (addr[0] == 'w') { 16359 ptgt = mptsas_wwid_to_ptgt(mpt, (int)phymask, wwn); 16360 } else { 16361 ptgt = mptsas_phy_to_tgt(mpt, (int)phymask, phynum); 16362 } 16363 return (ptgt); 16364 } 16365 16366 static int 16367 mptsas_flush_led_status(mptsas_t *mpt, mptsas_target_t *ptgt) 16368 { 16369 uint32_t slotstatus = 0; 16370 16371 /* Build an MPI2 Slot Status based on our view of the world */ 16372 if (ptgt->m_led_status & (1 << (MPTSAS_LEDCTL_LED_IDENT - 1))) 16373 slotstatus |= MPI2_SEP_REQ_SLOTSTATUS_IDENTIFY_REQUEST; 16374 if (ptgt->m_led_status & (1 << (MPTSAS_LEDCTL_LED_FAIL - 1))) 16375 slotstatus |= MPI2_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT; 16376 if (ptgt->m_led_status & (1 << (MPTSAS_LEDCTL_LED_OK2RM - 1))) 16377 slotstatus |= MPI2_SEP_REQ_SLOTSTATUS_REQUEST_REMOVE; 16378 16379 /* Write it to the controller */ 16380 NDBG14(("mptsas_ioctl: set LED status %x for slot %x", 16381 slotstatus, ptgt->m_slot_num)); 16382 return (mptsas_send_sep(mpt, ptgt, &slotstatus, 16383 MPI2_SEP_REQ_ACTION_WRITE_STATUS)); 16384 } 16385 16386 /* 16387 * send sep request, use enclosure/slot addressing 16388 */ 16389 static int 16390 mptsas_send_sep(mptsas_t *mpt, mptsas_target_t *ptgt, 16391 uint32_t *status, uint8_t act) 16392 { 16393 Mpi2SepRequest_t req; 16394 Mpi2SepReply_t rep; 16395 int ret; 16396 16397 ASSERT(mutex_owned(&mpt->m_mutex)); 16398 16399 /* 16400 * We only support SEP control of directly-attached targets, in which 16401 * case the "SEP" we're talking to is a virtual one contained within 16402 * the HBA itself. This is necessary because DA targets typically have 16403 * no other mechanism for LED control. Targets for which a separate 16404 * enclosure service processor exists should be controlled via ses(7d) 16405 * or sgen(7d). Furthermore, since such requests can time out, they 16406 * should be made in user context rather than in response to 16407 * asynchronous fabric changes. 16408 * 16409 * In addition, we do not support this operation for RAID volumes, 16410 * since there is no slot associated with them. 16411 */ 16412 if (!(ptgt->m_deviceinfo & DEVINFO_DIRECT_ATTACHED) || 16413 ptgt->m_addr.mta_phymask == 0) { 16414 return (ENOTTY); 16415 } 16416 16417 bzero(&req, sizeof (req)); 16418 bzero(&rep, sizeof (rep)); 16419 16420 req.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR; 16421 req.Action = act; 16422 req.Flags = MPI2_SEP_REQ_FLAGS_ENCLOSURE_SLOT_ADDRESS; 16423 req.EnclosureHandle = LE_16(ptgt->m_enclosure); 16424 req.Slot = LE_16(ptgt->m_slot_num); 16425 if (act == MPI2_SEP_REQ_ACTION_WRITE_STATUS) { 16426 req.SlotStatus = LE_32(*status); 16427 } 16428 ret = mptsas_do_passthru(mpt, (uint8_t *)&req, (uint8_t *)&rep, NULL, 16429 sizeof (req), sizeof (rep), NULL, 0, NULL, 0, 60, FKIOCTL); 16430 if (ret != 0) { 16431 mptsas_log(mpt, CE_NOTE, "mptsas_send_sep: passthru SEP " 16432 "Processor Request message error %d", ret); 16433 return (ret); 16434 } 16435 /* do passthrough success, check the ioc status */ 16436 if (LE_16(rep.IOCStatus) != MPI2_IOCSTATUS_SUCCESS) { 16437 mptsas_log(mpt, CE_NOTE, "send_sep act %x: ioc " 16438 "status:%x loginfo %x", act, LE_16(rep.IOCStatus), 16439 LE_32(rep.IOCLogInfo)); 16440 switch (LE_16(rep.IOCStatus) & MPI2_IOCSTATUS_MASK) { 16441 case MPI2_IOCSTATUS_INVALID_FUNCTION: 16442 case MPI2_IOCSTATUS_INVALID_VPID: 16443 case MPI2_IOCSTATUS_INVALID_FIELD: 16444 case MPI2_IOCSTATUS_INVALID_STATE: 16445 case MPI2_IOCSTATUS_OP_STATE_NOT_SUPPORTED: 16446 case MPI2_IOCSTATUS_CONFIG_INVALID_ACTION: 16447 case MPI2_IOCSTATUS_CONFIG_INVALID_TYPE: 16448 case MPI2_IOCSTATUS_CONFIG_INVALID_PAGE: 16449 case MPI2_IOCSTATUS_CONFIG_INVALID_DATA: 16450 case MPI2_IOCSTATUS_CONFIG_NO_DEFAULTS: 16451 return (EINVAL); 16452 case MPI2_IOCSTATUS_BUSY: 16453 return (EBUSY); 16454 case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES: 16455 return (EAGAIN); 16456 case MPI2_IOCSTATUS_INVALID_SGL: 16457 case MPI2_IOCSTATUS_INTERNAL_ERROR: 16458 case MPI2_IOCSTATUS_CONFIG_CANT_COMMIT: 16459 default: 16460 return (EIO); 16461 } 16462 } 16463 if (act != MPI2_SEP_REQ_ACTION_WRITE_STATUS) { 16464 *status = LE_32(rep.SlotStatus); 16465 } 16466 16467 return (0); 16468 } 16469 16470 int 16471 mptsas_dma_addr_create(mptsas_t *mpt, ddi_dma_attr_t dma_attr, 16472 ddi_dma_handle_t *dma_hdp, ddi_acc_handle_t *acc_hdp, caddr_t *dma_memp, 16473 uint32_t alloc_size, ddi_dma_cookie_t *cookiep) 16474 { 16475 ddi_dma_cookie_t new_cookie; 16476 size_t alloc_len; 16477 uint_t ncookie; 16478 16479 if (cookiep == NULL) 16480 cookiep = &new_cookie; 16481 16482 if (ddi_dma_alloc_handle(mpt->m_dip, &dma_attr, DDI_DMA_SLEEP, 16483 NULL, dma_hdp) != DDI_SUCCESS) { 16484 return (FALSE); 16485 } 16486 16487 if (ddi_dma_mem_alloc(*dma_hdp, alloc_size, &mpt->m_dev_acc_attr, 16488 DDI_DMA_CONSISTENT, DDI_DMA_SLEEP, NULL, dma_memp, &alloc_len, 16489 acc_hdp) != DDI_SUCCESS) { 16490 ddi_dma_free_handle(dma_hdp); 16491 *dma_hdp = NULL; 16492 return (FALSE); 16493 } 16494 16495 if (ddi_dma_addr_bind_handle(*dma_hdp, NULL, *dma_memp, alloc_len, 16496 (DDI_DMA_RDWR | DDI_DMA_CONSISTENT), DDI_DMA_SLEEP, NULL, 16497 cookiep, &ncookie) != DDI_DMA_MAPPED) { 16498 (void) ddi_dma_mem_free(acc_hdp); 16499 ddi_dma_free_handle(dma_hdp); 16500 *dma_hdp = NULL; 16501 return (FALSE); 16502 } 16503 16504 return (TRUE); 16505 } 16506 16507 void 16508 mptsas_dma_addr_destroy(ddi_dma_handle_t *dma_hdp, ddi_acc_handle_t *acc_hdp) 16509 { 16510 if (*dma_hdp == NULL) 16511 return; 16512 16513 (void) ddi_dma_unbind_handle(*dma_hdp); 16514 (void) ddi_dma_mem_free(acc_hdp); 16515 ddi_dma_free_handle(dma_hdp); 16516 *dma_hdp = NULL; 16517 }