sys/dev/ic/aic7xxx_cam.h

   1 /*      $NetBSD: aic7xxx_cam.h,v 1.3 2003/04/20 11:17:20 fvdl Exp $     */
   2
   3 /*
   4  * Data structures and definitions for the CAM system.
   5  *
   6  * Copyright (c) 1997 Justin T. Gibbs.
   7  * Copyright (c) 2000 Adaptec Inc.
   8  * All rights reserved.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions, and the following disclaimer,
  15  *    without modification.
  16  * 2. The name of the author may not be used to endorse or promote products
  17  *    derived from this software without specific prior written permission.
  18  *
  19  * Alternatively, this software may be distributed under the terms of the
  20  * GNU General Public License ("GPL").
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
  26  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  *
  34  */
  35 /*
  36  * Ported from FreeBSD by Pascal Renauld, Network Storage Solutions, Inc. - April 2003
  37  */
  38
  39 #ifndef _AIC7XXX_CAM_H
  40 #define _AIC7XXX_CAM_H
  41
  42 #define SCSI_REV_2      2
  43
  44
  45 #define CAM_BUS_WILDCARD ((u_int)~0)
  46 #define CAM_TARGET_WILDCARD ((u_int)~0)
  47 #define CAM_LUN_WILDCARD -1
  48
  49 /*
  50  * XXX translate FreeBSD SCSI status byte values to NetBSD, and define
  51  * a few more.
  52  */
  53 #define SCSI_STATUS_OK                  SCSI_OK
  54 #define SCSI_STATUS_CHECK_COND          SCSI_CHECK
  55 #define SCSI_STATUS_COND_MET            0x04
  56 #define SCSI_STATUS_BUSY                SCSI_BUSY
  57 #define SCSI_STATUS_INTERMED            SCSI_INTERM
  58 #define SCSI_STATUS_INTERMED_COND_MET   0x14
  59 #define SCSI_STATUS_RESERV_CONFLICT     0x18
  60 #define SCSI_STATUS_CMD_TERMINATED      SCSI_TERMINATED
  61 #define SCSI_STATUS_QUEUE_FULL          SCSI_QUEUE_FULL
  62
  63 /* CAM Status field values */
  64 typedef enum {
  65         CAM_REQ_INPROG = XS_STS_DONE,           /* CCB request is in progress */
  66         CAM_REQ_CMP = XS_NOERROR,               /* CCB request completed without error */
  67         CAM_REQ_ABORTED = XS_DRIVER_STUFFUP,    /* CCB request aborted by the host */
  68         CAM_UA_ABORT,                           /* Unable to abort CCB request */
  69         CAM_REQ_CMP_ERR = XS_DRIVER_STUFFUP,    /* CCB request completed with an error */
  70         CAM_BUSY = XS_BUSY,                     /* CAM subsytem is busy */
  71         CAM_REQ_INVALID = XS_DRIVER_STUFFUP,    /* CCB request was invalid */
  72         CAM_PATH_INVALID,                       /* Supplied Path ID is invalid */
  73         CAM_SEL_TIMEOUT = XS_SELTIMEOUT,        /* Target Selection Timeout */
  74         CAM_CMD_TIMEOUT,                        /* Command timeout */
  75         CAM_SCSI_STATUS_ERROR,                  /* SCSI error, look at error code in CCB */
  76         CAM_SCSI_BUS_RESET = XS_RESET,          /* SCSI Bus Reset Sent/Received */
  77         CAM_UNCOR_PARITY = XS_DRIVER_STUFFUP,   /* Uncorrectable parity error occurred */
  78         CAM_AUTOSENSE_FAIL = XS_DRIVER_STUFFUP, /* Autosense: request sense cmd fail */
  79         CAM_NO_HBA = XS_DRIVER_STUFFUP,         /* No HBA Detected Error */
  80         CAM_DATA_RUN_ERR = XS_DRIVER_STUFFUP,   /* Data Overrun error */
  81         CAM_UNEXP_BUSFREE = XS_DRIVER_STUFFUP,  /* Unexpected Bus Free */
  82         CAM_SEQUENCE_FAIL = XS_DRIVER_STUFFUP,  /* Protocol Violation */
  83         CAM_CCB_LEN_ERR,                        /* CCB length supplied is inadequate */
  84         CAM_PROVIDE_FAIL,                       /* Unable to provide requested capability */
  85         CAM_BDR_SENT = XS_RESET,                /* A SCSI BDR msg was sent to target */
  86         CAM_REQ_TERMIO,                         /* CCB request terminated by the host */
  87         CAM_UNREC_HBA_ERROR,                    /* Unrecoverable Host Bus Adapter Error */
  88         CAM_REQ_TOO_BIG,                        /* The request was too large for this host */
  89         CAM_UA_TERMIO,                          /* Unable to terminate I/O CCB request */
  90         CAM_MSG_REJECT_REC,                     /* Message Reject Received */
  91         CAM_DEV_NOT_THERE,                      /* SCSI Device Not Installed/there */
  92         CAM_RESRC_UNAVAIL,                      /* Resource Unavailable */
  93         /*
  94          * This request should be requeued to preserve
  95          * transaction ordering.  This typically occurs
  96          * when the SIM recognizes an error that should
  97          * freeze the queue and must place additional
  98          * requests for the target at the sim level
  99          * back into the XPT queue.
 100          */
 101         CAM_REQUEUE_REQ = XS_REQUEUE,
 102         CAM_DEV_QFRZN           = 0x40,
 103
 104         CAM_STATUS_MASK         = 0x3F
 105 } cam_status;
 106
 107 typedef enum {
 108         CAM_DIR_IN              = XS_CTL_DATA_IN,
 109         CAM_DIR_OUT             = XS_CTL_DATA_OUT,
 110 } ccb_flags;
 111
 112 typedef enum {
 113         AC_BUS_RESET            =       0x001,
 114         AC_UNSOL_RESEL          =       0x002,
 115         AC_SCSI_AEN             =       0x008,
 116         AC_SENT_BDR             =       0x010,
 117         AC_PATH_REGISTERED      =       0x020,
 118         AC_PATH_DEREGISTERED    =       0x040,
 119         AC_FOUND_DEVICE         =       0x080,
 120         AC_LOST_DEVICE          =       0x100,
 121         AC_TRANSFER_NEG         =       0x200,
 122         AC_INQ_CHANGED          =       0x400,
 123         AC_GETDEV_CHANGED       =       0x800,
 124 } ac_code;
 125
 126 #endif /* _AIC7XXX_CAM_H */