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 */ |
112 | |