usr/src/uts/common/sys/emul64cmd.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 _SYS_SCSI_ADAPTERS_EMUL64CMD_H
  28 #define _SYS_SCSI_ADAPTERS_EMUL64CMD_H
  29
  30 #pragma ident   "%Z%%M% %I%     %E% SMI"
  31
  32 #include <sys/scsi/scsi_types.h>
  33
  34 #ifdef  __cplusplus
  35 extern "C" {
  36 #endif
  37
  38 #define PKT2CMD(pkt)            ((struct emul64_cmd *)(pkt)->pkt_ha_private)
  39 #define CMD2PKT(sp)             ((sp)->cmd_pkt)
  40
  41 /*
  42  * Per-command EMUL64 private data
  43  *
  44  *      - Allocated at same time as scsi_pkt by scsi_hba_pkt_alloc(9E)
  45  *      - Pointed to by pkt_ha_private field in scsi_pkt
  46  */
  47 struct emul64_cmd {
  48
  49         struct scsi_pkt         *cmd_pkt;       /* scsi_pkt reference */
  50         struct emul64_cmd               *cmd_forw;      /* queue link */
  51         unsigned char           *cmd_addr;      /* b_un.b_addr */
  52         clock_t                 cmd_deadline;   /* cmd completion time */
  53         uint32_t                cmd_flags;      /* private flags */
  54         uint32_t                cmd_count;      /* b_bcount */
  55         uint_t                  cmd_cdblen;     /* length of cdb */
  56         uint_t                  cmd_scblen;     /* length of scb */
  57         struct emul64           *cmd_emul64;
  58 };
  59
  60
  61
  62 /*
  63  * These are the defined flags for this structure.
  64  */
  65 #define CFLAG_FINISHED          0x0001  /* command completed */
  66 #define CFLAG_COMPLETED         0x0002  /* completion routine called */
  67 #define CFLAG_IN_TRANSPORT      0x0004  /* in use by emul64 driver */
  68 #define CFLAG_TRANFLAG          0x000f  /* transport part of flags */
  69 #define CFLAG_DMAVALID          0x0010  /* dma mapping valid */
  70 #define CFLAG_DMASEND           0x0020  /* data is going 'out' */
  71 #define CFLAG_CMDIOPB           0x0040  /* this is an 'iopb' packet */
  72 #define CFLAG_FREE              0x0080  /* packet is on free list */
  73 #define CFLAG_DMA_PARTIAL       0x0100  /* partial xfer OK */
  74
  75 #ifdef  __cplusplus
  76 }
  77 #endif
  78
  79 #endif  /* _SYS_SCSI_ADAPTERS_EMUL64CMD_H */