drivers/scsi/aic7xxx/cam.h

root/drivers/scsi/aic7xxx/cam.h
/*
 * 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.
 *
 * $Id: //depot/aic7xxx/linux/drivers/scsi/aic7xxx/cam.h#15 $
 */

#ifndef _AIC7XXX_CAM_H
#define _AIC7XXX_CAM_H 1

#include <linux/types.h>

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

/* CAM Status field values */
typedef enum {
        CAM_REQ_INPROG,         /* CCB request is in progress */
        CAM_REQ_CMP,            /* CCB request completed without error */
        CAM_REQ_ABORTED,        /* CCB request aborted by the host */
        CAM_UA_ABORT,           /* Unable to abort CCB request */
        CAM_REQ_CMP_ERR,        /* CCB request completed with an error */
        CAM_BUSY,               /* CAM subsystem is busy */
        CAM_REQ_INVALID,        /* CCB request was invalid */
        CAM_PATH_INVALID,       /* Supplied Path ID is invalid */
        CAM_SEL_TIMEOUT,        /* Target Selection Timeout */
        CAM_CMD_TIMEOUT,        /* Command timeout */
        CAM_SCSI_STATUS_ERROR,  /* SCSI error, look at error code in CCB */
        CAM_SCSI_BUS_RESET,     /* SCSI Bus Reset Sent/Received */
        CAM_UNCOR_PARITY,       /* Uncorrectable parity error occurred */
        CAM_AUTOSENSE_FAIL,     /* Autosense: request sense cmd fail */
        CAM_NO_HBA,             /* No HBA Detected Error */
        CAM_DATA_RUN_ERR,       /* Data Overrun error */
        CAM_UNEXP_BUSFREE,      /* Unexpected Bus Free */
        CAM_SEQUENCE_FAIL,      /* Protocol Violation */
        CAM_CCB_LEN_ERR,        /* CCB length supplied is inadequate */
        CAM_PROVIDE_FAIL,       /* Unable to provide requested capability */
        CAM_BDR_SENT,           /* 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,
        CAM_DEV_QFRZN           = 0x40,

        CAM_STATUS_MASK         = 0x3F
} cam_status;

/*
 * Definitions for the asynchronous callback CCB fields.
 */
typedef enum {
        AC_GETDEV_CHANGED       = 0x800,/* Getdev info might have changed */
        AC_INQ_CHANGED          = 0x400,/* Inquiry info might have changed */
        AC_TRANSFER_NEG         = 0x200,/* New transfer settings in effect */
        AC_LOST_DEVICE          = 0x100,/* A device went away */
        AC_FOUND_DEVICE         = 0x080,/* A new device was found */
        AC_PATH_DEREGISTERED    = 0x040,/* A path has de-registered */
        AC_PATH_REGISTERED      = 0x020,/* A new path has been registered */
        AC_SENT_BDR             = 0x010,/* A BDR message was sent to target */
        AC_SCSI_AEN             = 0x008,/* A SCSI AEN has been received */
        AC_UNSOL_RESEL          = 0x002,/* Unsolicited reselection occurred */
        AC_BUS_RESET            = 0x001 /* A SCSI bus reset occurred */
} ac_code;

typedef enum {
        CAM_DIR_IN              = DMA_FROM_DEVICE,
        CAM_DIR_OUT             = DMA_TO_DEVICE,
        CAM_DIR_NONE            = DMA_NONE,
} ccb_flags;

#endif /* _AIC7XXX_CAM_H */
Linux
