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111 lines
4.5 KiB
111 lines
4.5 KiB
/*
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* Data structures and definitions for the CAM system.
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*
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* Copyright (c) 1997 Justin T. Gibbs.
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* Copyright (c) 2000 Adaptec Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL").
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: //depot/aic7xxx/linux/drivers/scsi/aic7xxx/cam.h#15 $
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*/
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#ifndef _AIC7XXX_CAM_H
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#define _AIC7XXX_CAM_H 1
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#include <linux/types.h>
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#define CAM_BUS_WILDCARD ((u_int)~0)
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#define CAM_TARGET_WILDCARD ((u_int)~0)
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#define CAM_LUN_WILDCARD ((u_int)~0)
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/* CAM Status field values */
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typedef enum {
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CAM_REQ_INPROG, /* CCB request is in progress */
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CAM_REQ_CMP, /* CCB request completed without error */
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CAM_REQ_ABORTED, /* CCB request aborted by the host */
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CAM_UA_ABORT, /* Unable to abort CCB request */
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CAM_REQ_CMP_ERR, /* CCB request completed with an error */
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CAM_BUSY, /* CAM subsytem is busy */
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CAM_REQ_INVALID, /* CCB request was invalid */
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CAM_PATH_INVALID, /* Supplied Path ID is invalid */
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CAM_SEL_TIMEOUT, /* Target Selection Timeout */
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CAM_CMD_TIMEOUT, /* Command timeout */
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CAM_SCSI_STATUS_ERROR, /* SCSI error, look at error code in CCB */
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CAM_SCSI_BUS_RESET, /* SCSI Bus Reset Sent/Received */
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CAM_UNCOR_PARITY, /* Uncorrectable parity error occurred */
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CAM_AUTOSENSE_FAIL, /* Autosense: request sense cmd fail */
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CAM_NO_HBA, /* No HBA Detected Error */
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CAM_DATA_RUN_ERR, /* Data Overrun error */
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CAM_UNEXP_BUSFREE, /* Unexpected Bus Free */
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CAM_SEQUENCE_FAIL, /* Protocol Violation */
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CAM_CCB_LEN_ERR, /* CCB length supplied is inadequate */
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CAM_PROVIDE_FAIL, /* Unable to provide requested capability */
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CAM_BDR_SENT, /* A SCSI BDR msg was sent to target */
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CAM_REQ_TERMIO, /* CCB request terminated by the host */
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CAM_UNREC_HBA_ERROR, /* Unrecoverable Host Bus Adapter Error */
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CAM_REQ_TOO_BIG, /* The request was too large for this host */
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CAM_UA_TERMIO, /* Unable to terminate I/O CCB request */
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CAM_MSG_REJECT_REC, /* Message Reject Received */
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CAM_DEV_NOT_THERE, /* SCSI Device Not Installed/there */
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CAM_RESRC_UNAVAIL, /* Resource Unavailable */
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/*
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* This request should be requeued to preserve
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* transaction ordering. This typically occurs
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* when the SIM recognizes an error that should
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* freeze the queue and must place additional
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* requests for the target at the sim level
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* back into the XPT queue.
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*/
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CAM_REQUEUE_REQ,
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CAM_DEV_QFRZN = 0x40,
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CAM_STATUS_MASK = 0x3F
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} cam_status;
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/*
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* Definitions for the asynchronous callback CCB fields.
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*/
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typedef enum {
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AC_GETDEV_CHANGED = 0x800,/* Getdev info might have changed */
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AC_INQ_CHANGED = 0x400,/* Inquiry info might have changed */
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AC_TRANSFER_NEG = 0x200,/* New transfer settings in effect */
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AC_LOST_DEVICE = 0x100,/* A device went away */
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AC_FOUND_DEVICE = 0x080,/* A new device was found */
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AC_PATH_DEREGISTERED = 0x040,/* A path has de-registered */
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AC_PATH_REGISTERED = 0x020,/* A new path has been registered */
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AC_SENT_BDR = 0x010,/* A BDR message was sent to target */
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AC_SCSI_AEN = 0x008,/* A SCSI AEN has been received */
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AC_UNSOL_RESEL = 0x002,/* Unsolicited reselection occurred */
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AC_BUS_RESET = 0x001 /* A SCSI bus reset occurred */
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} ac_code;
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typedef enum {
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CAM_DIR_IN = DMA_FROM_DEVICE,
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CAM_DIR_OUT = DMA_TO_DEVICE,
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CAM_DIR_NONE = DMA_NONE,
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} ccb_flags;
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#endif /* _AIC7XXX_CAM_H */
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