1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * Data structures and definitions for the CAM system. 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * Copyright (c) 1997 Justin T. Gibbs. 5*4882a593Smuzhiyun * Copyright (c) 2000 Adaptec Inc. 6*4882a593Smuzhiyun * All rights reserved. 7*4882a593Smuzhiyun * 8*4882a593Smuzhiyun * Redistribution and use in source and binary forms, with or without 9*4882a593Smuzhiyun * modification, are permitted provided that the following conditions 10*4882a593Smuzhiyun * are met: 11*4882a593Smuzhiyun * 1. Redistributions of source code must retain the above copyright 12*4882a593Smuzhiyun * notice, this list of conditions, and the following disclaimer, 13*4882a593Smuzhiyun * without modification. 14*4882a593Smuzhiyun * 2. The name of the author may not be used to endorse or promote products 15*4882a593Smuzhiyun * derived from this software without specific prior written permission. 16*4882a593Smuzhiyun * 17*4882a593Smuzhiyun * Alternatively, this software may be distributed under the terms of the 18*4882a593Smuzhiyun * GNU General Public License ("GPL"). 19*4882a593Smuzhiyun * 20*4882a593Smuzhiyun * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21*4882a593Smuzhiyun * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22*4882a593Smuzhiyun * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23*4882a593Smuzhiyun * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 24*4882a593Smuzhiyun * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25*4882a593Smuzhiyun * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26*4882a593Smuzhiyun * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27*4882a593Smuzhiyun * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28*4882a593Smuzhiyun * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29*4882a593Smuzhiyun * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30*4882a593Smuzhiyun * SUCH DAMAGE. 31*4882a593Smuzhiyun * 32*4882a593Smuzhiyun * $Id: //depot/aic7xxx/linux/drivers/scsi/aic7xxx/cam.h#15 $ 33*4882a593Smuzhiyun */ 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun #ifndef _AIC7XXX_CAM_H 36*4882a593Smuzhiyun #define _AIC7XXX_CAM_H 1 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun #include <linux/types.h> 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun #define CAM_BUS_WILDCARD ((u_int)~0) 41*4882a593Smuzhiyun #define CAM_TARGET_WILDCARD ((u_int)~0) 42*4882a593Smuzhiyun #define CAM_LUN_WILDCARD ((u_int)~0) 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun /* CAM Status field values */ 45*4882a593Smuzhiyun typedef enum { 46*4882a593Smuzhiyun CAM_REQ_INPROG, /* CCB request is in progress */ 47*4882a593Smuzhiyun CAM_REQ_CMP, /* CCB request completed without error */ 48*4882a593Smuzhiyun CAM_REQ_ABORTED, /* CCB request aborted by the host */ 49*4882a593Smuzhiyun CAM_UA_ABORT, /* Unable to abort CCB request */ 50*4882a593Smuzhiyun CAM_REQ_CMP_ERR, /* CCB request completed with an error */ 51*4882a593Smuzhiyun CAM_BUSY, /* CAM subsystem is busy */ 52*4882a593Smuzhiyun CAM_REQ_INVALID, /* CCB request was invalid */ 53*4882a593Smuzhiyun CAM_PATH_INVALID, /* Supplied Path ID is invalid */ 54*4882a593Smuzhiyun CAM_SEL_TIMEOUT, /* Target Selection Timeout */ 55*4882a593Smuzhiyun CAM_CMD_TIMEOUT, /* Command timeout */ 56*4882a593Smuzhiyun CAM_SCSI_STATUS_ERROR, /* SCSI error, look at error code in CCB */ 57*4882a593Smuzhiyun CAM_SCSI_BUS_RESET, /* SCSI Bus Reset Sent/Received */ 58*4882a593Smuzhiyun CAM_UNCOR_PARITY, /* Uncorrectable parity error occurred */ 59*4882a593Smuzhiyun CAM_AUTOSENSE_FAIL, /* Autosense: request sense cmd fail */ 60*4882a593Smuzhiyun CAM_NO_HBA, /* No HBA Detected Error */ 61*4882a593Smuzhiyun CAM_DATA_RUN_ERR, /* Data Overrun error */ 62*4882a593Smuzhiyun CAM_UNEXP_BUSFREE, /* Unexpected Bus Free */ 63*4882a593Smuzhiyun CAM_SEQUENCE_FAIL, /* Protocol Violation */ 64*4882a593Smuzhiyun CAM_CCB_LEN_ERR, /* CCB length supplied is inadequate */ 65*4882a593Smuzhiyun CAM_PROVIDE_FAIL, /* Unable to provide requested capability */ 66*4882a593Smuzhiyun CAM_BDR_SENT, /* A SCSI BDR msg was sent to target */ 67*4882a593Smuzhiyun CAM_REQ_TERMIO, /* CCB request terminated by the host */ 68*4882a593Smuzhiyun CAM_UNREC_HBA_ERROR, /* Unrecoverable Host Bus Adapter Error */ 69*4882a593Smuzhiyun CAM_REQ_TOO_BIG, /* The request was too large for this host */ 70*4882a593Smuzhiyun CAM_UA_TERMIO, /* Unable to terminate I/O CCB request */ 71*4882a593Smuzhiyun CAM_MSG_REJECT_REC, /* Message Reject Received */ 72*4882a593Smuzhiyun CAM_DEV_NOT_THERE, /* SCSI Device Not Installed/there */ 73*4882a593Smuzhiyun CAM_RESRC_UNAVAIL, /* Resource Unavailable */ 74*4882a593Smuzhiyun /* 75*4882a593Smuzhiyun * This request should be requeued to preserve 76*4882a593Smuzhiyun * transaction ordering. This typically occurs 77*4882a593Smuzhiyun * when the SIM recognizes an error that should 78*4882a593Smuzhiyun * freeze the queue and must place additional 79*4882a593Smuzhiyun * requests for the target at the sim level 80*4882a593Smuzhiyun * back into the XPT queue. 81*4882a593Smuzhiyun */ 82*4882a593Smuzhiyun CAM_REQUEUE_REQ, 83*4882a593Smuzhiyun CAM_DEV_QFRZN = 0x40, 84*4882a593Smuzhiyun 85*4882a593Smuzhiyun CAM_STATUS_MASK = 0x3F 86*4882a593Smuzhiyun } cam_status; 87*4882a593Smuzhiyun 88*4882a593Smuzhiyun /* 89*4882a593Smuzhiyun * Definitions for the asynchronous callback CCB fields. 90*4882a593Smuzhiyun */ 91*4882a593Smuzhiyun typedef enum { 92*4882a593Smuzhiyun AC_GETDEV_CHANGED = 0x800,/* Getdev info might have changed */ 93*4882a593Smuzhiyun AC_INQ_CHANGED = 0x400,/* Inquiry info might have changed */ 94*4882a593Smuzhiyun AC_TRANSFER_NEG = 0x200,/* New transfer settings in effect */ 95*4882a593Smuzhiyun AC_LOST_DEVICE = 0x100,/* A device went away */ 96*4882a593Smuzhiyun AC_FOUND_DEVICE = 0x080,/* A new device was found */ 97*4882a593Smuzhiyun AC_PATH_DEREGISTERED = 0x040,/* A path has de-registered */ 98*4882a593Smuzhiyun AC_PATH_REGISTERED = 0x020,/* A new path has been registered */ 99*4882a593Smuzhiyun AC_SENT_BDR = 0x010,/* A BDR message was sent to target */ 100*4882a593Smuzhiyun AC_SCSI_AEN = 0x008,/* A SCSI AEN has been received */ 101*4882a593Smuzhiyun AC_UNSOL_RESEL = 0x002,/* Unsolicited reselection occurred */ 102*4882a593Smuzhiyun AC_BUS_RESET = 0x001 /* A SCSI bus reset occurred */ 103*4882a593Smuzhiyun } ac_code; 104*4882a593Smuzhiyun 105*4882a593Smuzhiyun typedef enum { 106*4882a593Smuzhiyun CAM_DIR_IN = DMA_FROM_DEVICE, 107*4882a593Smuzhiyun CAM_DIR_OUT = DMA_TO_DEVICE, 108*4882a593Smuzhiyun CAM_DIR_NONE = DMA_NONE, 109*4882a593Smuzhiyun } ccb_flags; 110*4882a593Smuzhiyun 111*4882a593Smuzhiyun #endif /* _AIC7XXX_CAM_H */ 112