root/sys/dev/ic/aic7xxx_cam.h
/*      $NetBSD: aic7xxx_cam.h,v 1.6 2022/01/01 10:32:29 msaitoh Exp $  */

/*
 * Data structures and definitions for the CAM system.
 *
 * Copyright (c) 1997 Justin T. Gibbs.
 * Copyright (c) 2000 Adaptec Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions, and the following disclaimer,
 *    without modification.
 * 2. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * Alternatively, this software may be distributed under the terms of the
 * GNU General Public License ("GPL").
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 */
/*
 * Ported from FreeBSD by Pascal Renauld, Network Storage Solutions, Inc. - April 2003
 */

#ifndef _AIC7XXX_CAM_H
#define _AIC7XXX_CAM_H

#define SCSI_REV_2      2


#define CAM_BUS_WILDCARD ((u_int)~0)
#define CAM_TARGET_WILDCARD ((u_int)~0)
#define CAM_LUN_WILDCARD -1

/*
 * XXX translate FreeBSD SCSI status byte values to NetBSD, and define
 * a few more.
 */
#define SCSI_STATUS_OK                  SCSI_OK
#define SCSI_STATUS_CHECK_COND          SCSI_CHECK
#define SCSI_STATUS_COND_MET            0x04
#define SCSI_STATUS_BUSY                SCSI_BUSY
#define SCSI_STATUS_INTERMED            SCSI_INTERM
#define SCSI_STATUS_INTERMED_COND_MET   0x14
#define SCSI_STATUS_RESERV_CONFLICT     0x18
#define SCSI_STATUS_CMD_TERMINATED      SCSI_TERMINATED
#define SCSI_STATUS_QUEUE_FULL          SCSI_QUEUE_FULL

/* CAM Status field values */
typedef enum {
        CAM_REQ_INPROG = XS_STS_DONE,           /* CCB request is in progress */
        CAM_REQ_CMP = XS_NOERROR,               /* CCB request completed without error */
        CAM_REQ_ABORTED = XS_DRIVER_STUFFUP,    /* CCB request aborted by the host */
        CAM_UA_ABORT,                           /* Unable to abort CCB request */
        CAM_REQ_CMP_ERR = XS_DRIVER_STUFFUP,    /* CCB request completed with an error */
        CAM_BUSY = XS_BUSY,                     /* CAM subsystem is busy */
        CAM_REQ_INVALID = XS_DRIVER_STUFFUP,    /* CCB request was invalid */
        CAM_PATH_INVALID,                       /* Supplied Path ID is invalid */
        CAM_SEL_TIMEOUT = XS_SELTIMEOUT,        /* Target Selection Timeout */
        CAM_CMD_TIMEOUT = XS_TIMEOUT,           /* Command timeout */
        CAM_SCSI_STATUS_ERROR,                  /* SCSI error, look at error code in CCB */
        CAM_SCSI_BUS_RESET = XS_RESET,          /* SCSI Bus Reset Sent/Received */
        CAM_UNCOR_PARITY = XS_DRIVER_STUFFUP,   /* Uncorrectable parity error occurred */
        CAM_AUTOSENSE_FAIL = XS_DRIVER_STUFFUP, /* Autosense: request sense cmd fail */
        CAM_NO_HBA = XS_DRIVER_STUFFUP,         /* No HBA Detected Error */
        CAM_DATA_RUN_ERR = XS_DRIVER_STUFFUP,   /* Data Overrun error */
        CAM_UNEXP_BUSFREE = XS_DRIVER_STUFFUP,  /* Unexpected Bus Free */
        CAM_SEQUENCE_FAIL = XS_DRIVER_STUFFUP,  /* Protocol Violation */
        CAM_CCB_LEN_ERR,                        /* CCB length supplied is inadequate */
        CAM_PROVIDE_FAIL,                       /* Unable to provide requested capability */
        CAM_BDR_SENT = XS_RESET,                /* A SCSI BDR msg was sent to target */
        CAM_REQ_TERMIO,                         /* CCB request terminated by the host */
        CAM_UNREC_HBA_ERROR,                    /* Unrecoverable Host Bus Adapter Error */
        CAM_REQ_TOO_BIG,                        /* The request was too large for this host */
        CAM_UA_TERMIO,                          /* Unable to terminate I/O CCB request */
        CAM_MSG_REJECT_REC,                     /* Message Reject Received */
        CAM_DEV_NOT_THERE,                      /* SCSI Device Not Installed/there */
        CAM_RESRC_UNAVAIL,                      /* Resource Unavailable */
        /*
         * This request should be requeued to preserve
         * transaction ordering.  This typically occurs
         * when the SIM recognizes an error that should
         * freeze the queue and must place additional
         * requests for the target at the sim level
         * back into the XPT queue.
         */
        CAM_REQUEUE_REQ = XS_REQUEUE,
        CAM_DEV_QFRZN           = 0x40,

        CAM_STATUS_MASK         = 0x3F
} cam_status;

typedef enum {
        CAM_DIR_IN              = XS_CTL_DATA_IN,
        CAM_DIR_OUT             = XS_CTL_DATA_OUT,
} ccb_flags;

typedef enum {
        AC_BUS_RESET            =       0x001,
        AC_UNSOL_RESEL          =       0x002,
        AC_SCSI_AEN             =       0x008,
        AC_SENT_BDR             =       0x010,
        AC_PATH_REGISTERED      =       0x020,
        AC_PATH_DEREGISTERED    =       0x040,
        AC_FOUND_DEVICE         =       0x080,
        AC_LOST_DEVICE          =       0x100,
        AC_TRANSFER_NEG         =       0x200,
        AC_INQ_CHANGED          =       0x400,
        AC_GETDEV_CHANGED       =       0x800,
} ac_code;

#endif /* _AIC7XXX_CAM_H */