| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame] | 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 */ |
| 45 | typedef 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 | */ |
| 91 | typedef 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 | |
| 105 | typedef 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 */ |