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1/*2 * Data structures and definitions for the CAM system.3 *4 * Copyright (c) 1997 Justin T. Gibbs.5 * Copyright (c) 2000 Adaptec Inc.6 * All rights reserved.7 *8 * Redistribution and use in source and binary forms, with or without9 * modification, are permitted provided that the following conditions10 * are met:11 * 1. Redistributions of source code must retain the above copyright12 *    notice, this list of conditions, and the following disclaimer,13 *    without modification.14 * 2. The name of the author may not be used to endorse or promote products15 *    derived from this software without specific prior written permission.16 *17 * Alternatively, this software may be distributed under the terms of the18 * GNU General Public License ("GPL").19 *20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR24 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF30 * SUCH DAMAGE.31 *32 * $Id: //depot/aic7xxx/linux/drivers/scsi/aic7xxx/cam.h#15 $33 */34 35#ifndef _AIC7XXX_CAM_H36#define _AIC7XXX_CAM_H 137 38#include <linux/types.h>39 40#define	CAM_BUS_WILDCARD ((u_int)~0)41#define	CAM_TARGET_WILDCARD ((u_int)~0)42#define	CAM_LUN_WILDCARD ((u_int)~0)43 44/* CAM Status field values */45typedef enum {46	CAM_REQ_INPROG,		/* CCB request is in progress */47	CAM_REQ_CMP,		/* CCB request completed without error */48	CAM_REQ_ABORTED,	/* CCB request aborted by the host */49	CAM_UA_ABORT,		/* Unable to abort CCB request */50	CAM_REQ_CMP_ERR,	/* CCB request completed with an error */51	CAM_BUSY,		/* CAM subsystem is busy */52	CAM_REQ_INVALID,	/* CCB request was invalid */53	CAM_PATH_INVALID,	/* Supplied Path ID is invalid */54	CAM_SEL_TIMEOUT,	/* Target Selection Timeout */55	CAM_CMD_TIMEOUT,	/* Command timeout */56	CAM_SCSI_STATUS_ERROR,	/* SCSI error, look at error code in CCB */57	CAM_SCSI_BUS_RESET,	/* SCSI Bus Reset Sent/Received */58	CAM_UNCOR_PARITY,	/* Uncorrectable parity error occurred */59	CAM_AUTOSENSE_FAIL,	/* Autosense: request sense cmd fail */60	CAM_NO_HBA,		/* No HBA Detected Error */61	CAM_DATA_RUN_ERR,	/* Data Overrun error */62	CAM_UNEXP_BUSFREE,	/* Unexpected Bus Free */63	CAM_SEQUENCE_FAIL,	/* Protocol Violation */64	CAM_CCB_LEN_ERR,	/* CCB length supplied is inadequate */65	CAM_PROVIDE_FAIL,	/* Unable to provide requested capability */66	CAM_BDR_SENT,		/* A SCSI BDR msg was sent to target */67	CAM_REQ_TERMIO,		/* CCB request terminated by the host */68	CAM_UNREC_HBA_ERROR,	/* Unrecoverable Host Bus Adapter Error */69	CAM_REQ_TOO_BIG,	/* The request was too large for this host */70	CAM_UA_TERMIO,		/* Unable to terminate I/O CCB request */71	CAM_MSG_REJECT_REC,	/* Message Reject Received */72	CAM_DEV_NOT_THERE,	/* SCSI Device Not Installed/there */73	CAM_RESRC_UNAVAIL,	/* Resource Unavailable */74	/*75	 * This request should be requeued to preserve76	 * transaction ordering.  This typically occurs77	 * when the SIM recognizes an error that should78	 * freeze the queue and must place additional79	 * requests for the target at the sim level80	 * back into the XPT queue.81	 */82	CAM_REQUEUE_REQ,83	CAM_DEV_QFRZN		= 0x40,84 85	CAM_STATUS_MASK		= 0x3F86} cam_status;87 88/*89 * Definitions for the asynchronous callback CCB fields.90 */91typedef enum {92	AC_GETDEV_CHANGED	= 0x800,/* Getdev info might have changed */93	AC_INQ_CHANGED		= 0x400,/* Inquiry info might have changed */94	AC_TRANSFER_NEG		= 0x200,/* New transfer settings in effect */95	AC_LOST_DEVICE		= 0x100,/* A device went away */96	AC_FOUND_DEVICE		= 0x080,/* A new device was found */97	AC_PATH_DEREGISTERED	= 0x040,/* A path has de-registered */98	AC_PATH_REGISTERED	= 0x020,/* A new path has been registered */99	AC_SENT_BDR		= 0x010,/* A BDR message was sent to target */100	AC_SCSI_AEN		= 0x008,/* A SCSI AEN has been received */101	AC_UNSOL_RESEL		= 0x002,/* Unsolicited reselection occurred */102	AC_BUS_RESET		= 0x001 /* A SCSI bus reset occurred */103} ac_code;104 105typedef enum {106	CAM_DIR_IN		= DMA_FROM_DEVICE,107	CAM_DIR_OUT		= DMA_TO_DEVICE,108	CAM_DIR_NONE		= DMA_NONE,109} ccb_flags;110 111#endif /* _AIC7XXX_CAM_H */112