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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 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 */ | |
3a4fa0a2 | 51 | CAM_BUSY, /* CAM subsystem is busy */ |
1da177e4 LT |
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 { | |
be7db055 | 106 | CAM_DIR_IN = DMA_FROM_DEVICE, |
107 | CAM_DIR_OUT = DMA_TO_DEVICE, | |
108 | CAM_DIR_NONE = DMA_NONE, | |
1da177e4 LT |
109 | } ccb_flags; |
110 | ||
111 | #endif /* _AIC7XXX_CAM_H */ |