usr/src/lib/libbc/inc/include/scsi/impl/uscsi.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 2005 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #ifndef _SCSI_IMPL_USCSI_H
  28 #define _SCSI_IMPL_USCSI_H
  29
  30 #pragma ident   "%Z%%M% %I%     %E% SMI"
  31
  32 /*
  33  * Defines for user SCSI commands
  34  */
  35
  36 #ifdef  __cplusplus
  37 extern "C" {
  38 #endif
  39
  40 /*
  41  * definition for user-scsi command structure
  42  */
  43 struct uscsi_cmd {
  44         caddr_t uscsi_cdb;
  45         int     uscsi_cdblen;
  46         caddr_t uscsi_bufaddr;
  47         int     uscsi_buflen;
  48         unsigned char   uscsi_status;
  49         int     uscsi_flags;
  50 };
  51
  52 /*
  53  * flags for uscsi_flags field
  54  */
  55 #define USCSI_SILENT    0x01    /* no error messages */
  56 #define USCSI_DIAGNOSE  0x02    /* fail if any error occurs */
  57 #define USCSI_ISOLATE   0x04    /* isolate from normal commands */
  58 #define USCSI_READ      0x08    /* get data from device */
  59 #define USCSI_WRITE     0xFFF7  /* use to zero the READ bit in uscsi_flags */
  60
  61 /*
  62  * User SCSI io control command
  63  */
  64 #define USCSICMD        _IOWR('u', 1, struct uscsi_cmd) /* user scsi command */
  65
  66 /*
  67  * user scsi status bit masks
  68  */
  69
  70 #define USCSI_STATUS_GOOD                       0x00
  71 #define USCSI_STATUS_CHECK                      0x02
  72 #define USCSI_STATUS_MET                        0x04
  73 #define USCSI_STATUS_BUSY                       0x08
  74 #define USCSI_STATUS_INTERMEDIATE               0x10
  75 #define USCSI_STATUS_RESERVATION_CONFLICT       \
  76         (USCSI_STATUS_INTERMEDIATE | USCSI_STATUS_BUSY)
  77
  78 #ifdef  __cplusplus
  79 }
  80 #endif
  81
  82 #endif  /* _SCSI_IMPL_USCSI_H */