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
60struct 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