usr/src/uts/sun/sys/dada/conf/device.h

   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, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright (c) 1996, by Sun Microsystems, Inc.
  24  * All rights reserved.
  25  */
  26
  27 /*
  28  * DCD device structure.
  29  *
  30  *      All DCD target drivers will have one of these per target/lun.
  31  *      It will be created by a parent device and stored as driver private
  32  *      data in that device's dev_info_t (and thus can be retrieved by
  33  *      the function ddi_get_driver_private).
  34  */
  35
  36 #ifndef _SYS_DCD_CONF_DEVICE_H
  37 #define _SYS_DCD_CONF_DEVICE_H
  38
  39 #pragma ident   "%Z%%M% %I%     %E% SMI"
  40
  41 #include <sys/dada/dada_types.h>
  42
  43 #ifdef  __cplusplus
  44 extern "C" {
  45 #endif
  46
  47 struct dcd_device {
  48         /*
  49          * Routing info for this device.
  50          */
  51
  52         struct dcd_address      *dcd_address;
  53
  54         /*
  55          * Cross-reference to our dev_info_t.
  56          */
  57
  58         dev_info_t              *dcd_dev;
  59
  60         /*
  61          * Mutex for this device, initialized by
  62          * parent prior to calling probe or attach
  63          * routine.
  64          */
  65
  66         kmutex_t                dcd_mutex;
  67
  68         /*
  69          * Reserved, do not use.
  70          */
  71
  72         void                    *dcd_reserved;
  73
  74
  75         /*
  76          * If dcd_probe is used to probe out this device,
  77          * a dcd_identify data structure will be allocated
  78          * and an IDENTIFY command will be run to fill it in.
  79          *
  80          */
  81
  82         struct dcd_identify     *dcd_ident;
  83
  84         /*
  85          * More detailed information is 'private' information, i.e., is
  86          * only pertinent to Target drivers.
  87          */
  88
  89         caddr_t                 dcd_private;
  90
  91 };
  92
  93
  94 #ifdef  _KERNEL
  95 #ifdef  __STDC__
  96 extern int dcd_probe(struct dcd_device *devp, int (*callback)());
  97 extern void dcd_unprobe(struct dcd_device *devp);
  98 #else   /* __STDC__ */
  99 extern int dcd_probe();
 100 extern void dcd_unprobe();
 101 #endif  /* __STDC__ */
 102 #endif  /* _KERNEL */
 103
 104 #ifdef  __cplusplus
 105 }
 106 #endif
 107
 108 #endif  /* _SYS_DCD_CONF_DEVICE_H */