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/*
* 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#11 $
*/
#ifndef _AIC7XXX_CAM_H
#define _AIC7XXX_CAM_H 1
/* Provide a mapping from CAM constructs to Linux SCSI constructs */
#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 {
/* CCB request is in progress */
CAM_REQ_INPROG = 0x3F, /* Some value unused by Linux */
/* CCB request completed without error */
CAM_REQ_CMP = DID_OK,
/* CCB request aborted by the host */
CAM_REQ_ABORTED = DID_ABORT,
/* Unable to abort CCB request */
CAM_UA_ABORT = DID_ERROR,
/* CCB request completed with an error */
CAM_REQ_CMP_ERR = DID_ERROR,
/* CAM subsytem is busy */
CAM_BUSY = DID_BUS_BUSY,
/* CCB request was invalid */
CAM_REQ_INVALID = DID_BAD_TARGET,
/* Supplied Path ID is invalid */
CAM_PATH_INVALID = DID_BAD_TARGET,
/* Target Selection Timeout */
CAM_SEL_TIMEOUT = DID_NO_CONNECT,
/* Command timeout */
CAM_CMD_TIMEOUT = DID_ERROR, /*
* Should never occur in Linux
* as the upper level code
* handles all timeout processing.
*/
/* SCSI error, look at error code in CCB */
CAM_SCSI_STATUS_ERROR = DID_OK, /* Linux looks at status byte */
/* SCSI Bus Reset Sent/Received */
CAM_SCSI_BUS_RESET = DID_RESET,
/* Uncorrectable parity error occurred */
CAM_UNCOR_PARITY = DID_PARITY,
/* Autosense: request sense cmd fail */
CAM_AUTOSENSE_FAIL = DID_ERROR,
/* No HBA Detected Error */
CAM_NO_HBA = DID_ERROR,
/* Data Overrun error */
CAM_DATA_RUN_ERR = DID_ERROR,
/* Unexpected Bus Free */
CAM_UNEXP_BUSFREE = DID_ERROR,
/* CCB length supplied is inadequate */
CAM_CCB_LEN_ERR = DID_ERROR,
/* Unable to provide requested capability */
CAM_PROVIDE_FAIL = DID_ERROR,
/* A SCSI BDR msg was sent to target */
CAM_BDR_SENT = DID_RESET,
/* CCB request terminated by the host */
CAM_REQ_TERMIO = DID_ERROR,
/* Unrecoverable Host Bus Adapter Error */
CAM_UNREC_HBA_ERROR = DID_ERROR,
/* The request was too large for this host */
CAM_REQ_TOO_BIG = DID_ERROR,
/*
* 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 = DID_BUS_BUSY,
CAM_STATUS_MASK = 0x3F
} cam_status;
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,3,0)
#define SCSI_DATA_READ 1
#define SCSI_DATA_WRITE 2
#define SCSI_DATA_NONE 3
#endif
/*
* 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 = SCSI_DATA_READ,
CAM_DIR_OUT = SCSI_DATA_WRITE,
CAM_DIR_NONE = SCSI_DATA_NONE
} ccb_flags;
#endif /* _AIC7XXX_CAM_H */
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