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5253 kmem_alloc/kmem_zalloc won't fail with KM_SLEEP
5254 getrbuf won't fail with KM_SLEEP


   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  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25 
  26 #pragma ident   "%Z%%M% %I%     %E% SMI"
  27 
  28 /*
  29  * This is the Beep module for supporting keyboard beep for keyboards
  30  * that do not have the beeping feature within themselves
  31  *
  32  */
  33 
  34 #include <sys/types.h>
  35 #include <sys/conf.h>
  36 
  37 #include <sys/ddi.h>
  38 #include <sys/sunddi.h>
  39 #include <sys/modctl.h>
  40 #include <sys/ddi_impldefs.h>
  41 #include <sys/kmem.h>
  42 
  43 #include <sys/beep.h>
  44 #include <sys/inttypes.h>
  45 
  46 /*
  47  * Debug stuff


  95             (unsigned long) beep_on_func,
  96             (unsigned long) beep_off_func,
  97             (unsigned long) beep_freq_func));
  98 
  99         mutex_enter(&beep_state.mutex);
 100 
 101         if (beep_state.mode != BEEP_UNINIT) {
 102                 mutex_exit(&beep_state.mutex);
 103                 BEEP_DEBUG((CE_WARN,
 104                     "beep_init : beep_state already initialized."));
 105                 return (DDI_SUCCESS);
 106         }
 107 
 108         queue = kmem_zalloc(sizeof (beep_entry_t) * beep_queue_size,
 109             KM_SLEEP);
 110 
 111         BEEP_DEBUG1((CE_CONT,
 112             "beep_init : beep_queue kmem_zalloc(%d) = 0x%lx.",
 113             (int)sizeof (beep_entry_t) * beep_queue_size,
 114             (unsigned long)queue));
 115 
 116         if (queue == NULL) {
 117                 BEEP_DEBUG((CE_WARN,
 118                     "beep_init : kmem_zalloc of beep_queue failed."));
 119                 return (DDI_FAILURE);
 120         }
 121 
 122         beep_state.arg = arg;
 123         beep_state.mode = BEEP_OFF;
 124         beep_state.beep_freq = beep_freq_func;
 125         beep_state.beep_on = beep_on_func;
 126         beep_state.beep_off = beep_off_func;
 127         beep_state.timeout_id = 0;
 128 
 129         beep_state.queue_head = 0;
 130         beep_state.queue_tail = 0;
 131         beep_state.queue_size = beep_queue_size;
 132         beep_state.queue = queue;
 133 
 134         mutex_exit(&beep_state.mutex);
 135 
 136         BEEP_DEBUG1((CE_CONT, "beep_init : done."));
 137         return (DDI_SUCCESS);
 138 }
 139 
 140 




   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  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25 


  26 /*
  27  * This is the Beep module for supporting keyboard beep for keyboards
  28  * that do not have the beeping feature within themselves
  29  *
  30  */
  31 
  32 #include <sys/types.h>
  33 #include <sys/conf.h>
  34 
  35 #include <sys/ddi.h>
  36 #include <sys/sunddi.h>
  37 #include <sys/modctl.h>
  38 #include <sys/ddi_impldefs.h>
  39 #include <sys/kmem.h>
  40 
  41 #include <sys/beep.h>
  42 #include <sys/inttypes.h>
  43 
  44 /*
  45  * Debug stuff


  93             (unsigned long) beep_on_func,
  94             (unsigned long) beep_off_func,
  95             (unsigned long) beep_freq_func));
  96 
  97         mutex_enter(&beep_state.mutex);
  98 
  99         if (beep_state.mode != BEEP_UNINIT) {
 100                 mutex_exit(&beep_state.mutex);
 101                 BEEP_DEBUG((CE_WARN,
 102                     "beep_init : beep_state already initialized."));
 103                 return (DDI_SUCCESS);
 104         }
 105 
 106         queue = kmem_zalloc(sizeof (beep_entry_t) * beep_queue_size,
 107             KM_SLEEP);
 108 
 109         BEEP_DEBUG1((CE_CONT,
 110             "beep_init : beep_queue kmem_zalloc(%d) = 0x%lx.",
 111             (int)sizeof (beep_entry_t) * beep_queue_size,
 112             (unsigned long)queue));






 113 
 114         beep_state.arg = arg;
 115         beep_state.mode = BEEP_OFF;
 116         beep_state.beep_freq = beep_freq_func;
 117         beep_state.beep_on = beep_on_func;
 118         beep_state.beep_off = beep_off_func;
 119         beep_state.timeout_id = 0;
 120 
 121         beep_state.queue_head = 0;
 122         beep_state.queue_tail = 0;
 123         beep_state.queue_size = beep_queue_size;
 124         beep_state.queue = queue;
 125 
 126         mutex_exit(&beep_state.mutex);
 127 
 128         BEEP_DEBUG1((CE_CONT, "beep_init : done."));
 129         return (DDI_SUCCESS);
 130 }
 131 
 132