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cam.h
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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 */
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  */
83  CAM_DEV_QFRZN = 0x40,
84 
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 {
109 } ccb_flags;
110 
111 #endif /* _AIC7XXX_CAM_H */