1 | /* $NetBSD: linux_sg.h,v 1.3 2005/12/11 12:20:19 christos Exp $ */ |
2 | |
3 | /* |
4 | * Copyright (c) 2004 Soren S. Jorvang. All rights reserved. |
5 | * |
6 | * Redistribution and use in source and binary forms, with or without |
7 | * modification, are permitted provided that the following conditions |
8 | * are met: |
9 | * 1. Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions, and the following disclaimer. |
11 | * 2. Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
14 | * |
15 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
16 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
17 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
18 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
19 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
20 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
21 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
22 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
23 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
24 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
25 | * SUCH DAMAGE. |
26 | */ |
27 | |
28 | #ifndef _LINUX_SG_H |
29 | #define _LINUX_SG_H |
30 | |
31 | /* sg driver version 3 */ |
32 | #define LINUX_SG_EMULATED_HOST _LINUX_IO('"', 0x03) |
33 | #define LINUX_SG_SET_TRANSFORM _LINUX_IO('"', 0x04) |
34 | #define LINUX_SG_GET_TRANSFORM _LINUX_IO('"', 0x05) |
35 | #define LINUX_SG_SET_RESERVED_SIZE _LINUX_IO('"', 0x75) |
36 | #define LINUX_SG_GET_RESERVED_SIZE _LINUX_IO('"', 0x72) |
37 | #define LINUX_SG_GET_SCSI_ID _LINUX_IO('"', 0x76) |
38 | #define LINUX_SG_SET_FORCE_LOW_DMA _LINUX_IO('"', 0x79) |
39 | #define LINUX_SG_GET_LOW_DMA _LINUX_IO('"', 0x7a) |
40 | #define LINUX_SG_SET_FORCE_PACK_ID _LINUX_IO('"', 0x7b) |
41 | #define LINUX_SG_GET_PACK_ID _LINUX_IO('"', 0x7c) |
42 | #define LINUX_SG_GET_NUM_WAITING _LINUX_IO('"', 0x7d) |
43 | #define LINUX_SG_GET_SG_TABLESIZE _LINUX_IO('"', 0x7f) |
44 | #define LINUX_SG_GET_VERSION_NUM _LINUX_IO('"', 0x82) |
45 | #define LINUX_SG_SCSI_RESET _LINUX_IO('"', 0x84) |
46 | #define LINUX_SG_IO _LINUX_IO('"', 0x85) |
47 | #define LINUX_SG_GET_REQUEST_TABLE _LINUX_IO('"', 0x86) |
48 | #define LINUX_SG_SET_KEEP_ORPHAN _LINUX_IO('"', 0x87) |
49 | #define LINUX_SG_GET_KEEP_ORPHAN _LINUX_IO('"', 0x88) |
50 | #define LINUX_SG_GET_ACCESS_COUNT _LINUX_IO('"', 0x89) |
51 | /* sg driver version 2 */ |
52 | #define LINUX_SG_SET_TIMEOUT _LINUX_IO('"', 0x01) |
53 | #define LINUX_SG_GET_TIMEOUT _LINUX_IO('"', 0x02) |
54 | #define LINUX_SG_GET_COMMAND_Q _LINUX_IO('"', 0x70) |
55 | #define LINUX_SG_SET_COMMAND_Q _LINUX_IO('"', 0x71) |
56 | #define LINUX_SG_SET_DEBUG _LINUX_IO('"', 0x7e) |
57 | #define LINUX_SG_NEXT_CMD_LEN _LINUX_IO('"', 0x83) |
58 | |
59 | |
60 | struct linux_sg_io_hdr { |
61 | int interface_id; |
62 | #define SG_DXFER_NONE -1 |
63 | #define SG_DXFER_TO_DEV -2 |
64 | #define SG_DXFER_FROM_DEV -3 |
65 | #define SG_DXFER_TO_FROM_DEV -4 |
66 | #define SG_DXFER_UNKNOWN -5 |
67 | int dxfer_direction; |
68 | unsigned char cmd_len; |
69 | unsigned char mx_sb_len; |
70 | unsigned short iovec_count; |
71 | unsigned int dxfer_len; |
72 | void *dxferp; |
73 | unsigned char *cmdp; |
74 | unsigned char *sbp; |
75 | unsigned int timeout; |
76 | unsigned int flags; |
77 | int pack_id; |
78 | void *usr_ptr; |
79 | unsigned char status; |
80 | unsigned char masked_status; |
81 | unsigned char msg_status; |
82 | unsigned char sb_len_wr; |
83 | unsigned short host_status; |
84 | unsigned short driver_status; |
85 | int resid; |
86 | unsigned int duration; |
87 | unsigned int info; |
88 | }; |
89 | |
90 | #define SG_MAX_SENSE 16 |
91 | |
92 | /* |
93 | * Host codes |
94 | */ |
95 | #define LINUX_DID_OK 0x00 /* OK */ |
96 | #define LINUX_DID_NO_CONNECT 0x01 /* timeout during connect */ |
97 | #define LINUX_DID_BUS_BUSY 0x02 /* timeout during command */ |
98 | #define LINUX_DID_TIME_OUT 0x03 /* other timeout */ |
99 | #define LINUX_DID_BAD_TARGET 0x04 /* bad target */ |
100 | #define LINUX_DID_ABORT 0x05 /* abort */ |
101 | #define LINUX_DID_PARITY 0x06 /* parity error */ |
102 | #define LINUX_DID_ERROR 0x07 /* internal error */ |
103 | #define LINUX_DID_RESET 0x08 /* reset by somebody */ |
104 | #define LINUX_DID_BAD_INTR 0x09 /* unexpected interrupt */ |
105 | #define LINUX_DID_PASSTHROUGH 0x0a /* passthrough */ |
106 | #define LINUX_DID_SOFT_ERROR 0x0b /* low driver wants retry */ |
107 | #define LINUX_DID_IMM_RETRY 0x0c /* retry without decreasing retrycnt */ |
108 | |
109 | /* |
110 | * Driver codes |
111 | */ |
112 | #define LINUX_DRIVER_BUSY 0x01 |
113 | #define LINUX_DRIVER_SOFT 0x02 |
114 | #define LINUX_DRIVER_MEDIA 0x03 |
115 | #define LINUX_DRIVER_ERROR 0x04 |
116 | |
117 | #define LINUX_DRIVER_INVALID 0x05 |
118 | #define LINUX_DRIVER_TIMEOUT 0x06 |
119 | #define LINUX_DRIVER_HARD 0x07 |
120 | #define LINUX_DRIVER_SENSE 0x08 |
121 | |
122 | #define LINUX_SUGGEST_RETRY 0x10 |
123 | #define LINUX_SUGGEST_ABORT 0x20 |
124 | #define LINUX_SUGGEST_REMAP 0x30 |
125 | #define LINUX_SUGGEST_DIE 0x40 |
126 | #define LINUX_SUGGEST_SENSE 0x80 |
127 | #define LINUX_SUGGEST_IS_OK 0xff |
128 | |
129 | #define LINUX_DRIVER_MASK 0x0f |
130 | #define LINUX_SUGGEST_MASK 0xf0 |
131 | |
132 | #endif /* !_LINUX_SG_H */ |
133 | |