xref: /src/sys/dev/ic/aic7xxx_cam.h

/*	$NetBSD: aic7xxx_cam.h,v 1.3.38.1 2006/04/19 03:24:37 elad 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 subsytem 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,			/* 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 */