cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

cam.h (4590B)

      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 without
      9 * modification, are permitted provided that the following conditions
     10 * are met:
     11 * 1. Redistributions of source code must retain the above copyright
     12 *    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 products
     15 *    derived from this software without specific prior written permission.
     16 *
     17 * Alternatively, this software may be distributed under the terms of the
     18 * GNU General Public License ("GPL").
     19 *
     20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
     24 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     30 * SUCH DAMAGE.
     31 *
     32 * $Id: //depot/aic7xxx/linux/drivers/scsi/aic7xxx/cam.h#15 $
     33 */
     34
     35#ifndef _AIC7XXX_CAM_H
     36#define _AIC7XXX_CAM_H 1
     37
     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 preserve
     76	 * transaction ordering.  This typically occurs
     77	 * when the SIM recognizes an error that should
     78	 * freeze the queue and must place additional
     79	 * requests for the target at the sim level
     80	 * back into the XPT queue.
     81	 */
     82	CAM_REQUEUE_REQ,
     83	CAM_DEV_QFRZN		= 0x40,
     84
     85	CAM_STATUS_MASK		= 0x3F
     86} 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 */