amrio.h revision 106225 
1/*-
2 * Copyright (c) 1999 Michael Smith
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * Copyright (c) 2002 Eric Moore
27 * Copyright (c) 2002 LSI Logic Corporation
28 * All rights reserved.
29 *
30 * Redistribution and use in source and binary forms, with or without
31 * modification, are permitted provided that the following conditions
32 * are met:
33 * 1. Redistributions of source code must retain the above copyright
34 *    notice, this list of conditions and the following disclaimer.
35 * 2. Redistributions in binary form must reproduce the above copyright
36 *    notice, this list of conditions and the following disclaimer in the
37 *    documentation and/or other materials provided with the distribution.
38 * 3. The party using or redistributing the source code and binary forms
39 *    agrees to the disclaimer below and the terms and conditions set forth
40 *    herein.
41 *
42 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
43 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
44 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
45 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
46 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
47 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
48 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
49 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
50 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
51 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52 * SUCH DAMAGE.
53 *
54 *
55 *	$FreeBSD: head/sys/dev/amr/amrio.h 106225 2002-10-30 22:00:11Z emoore $
56 */
57
58/*
59 * ioctl interface
60 */
61
62#include <sys/ioccom.h>
63
64/*
65 * Fetch the driver's interface version.
66 */
67#define AMR_IO_VERSION_NUMBER	0x01
68#define AMR_IO_VERSION	_IOR('A', 0x200, int)
69
70/*
71 * Pass a command from userspace through to the adapter.
72 *
73 * Note that in order to be code-compatible with the Linux
74 * interface where possible, the formatting of the au_cmd field is
75 * somewhat Interesting.
76 *
77 * For normal commands, the layout is (fields from struct amr_mailbox_ioctl):
78 *
79 * 0		mb_command
80 * 1		mb_channel
81 * 2		mb_param
82 * 3		mb_pad[0]
83 * 4		mb_drive
84 *
85 * For SCSI passthrough commands, the layout is:
86 *
87 * 0		AMR_CMD_PASS	(0x3)
88 * 1		reserved, 0
89 * 2		cdb length
90 * 3		cdb data
91 * 3+cdb_len	passthrough control byte (timeout, ars, islogical)
92 * 4+cdb_len	reserved, 0
93 * 5+cdb_len	channel
94 * 6+cdb_len	target
95 */
96
97struct amr_user_ioctl {
98    unsigned char	au_cmd[32];	/* command text from userspace */
99    void		*au_buffer;	/* data buffer in userspace */
100    unsigned long	au_length;	/* data buffer size (0 == no data) */
101    int			au_direction;	/* data transfer direction */
102#define AMR_IO_NODATA	0
103#define AMR_IO_READ	1
104#define AMR_IO_WRITE	2
105    int			au_status;	/* command status returned by adapter */
106};
107
108#define AMR_IO_COMMAND	_IOWR('A', 0x201, struct amr_user_ioctl)
109
110