xref: /dragonfly/sys/dev/raid/amr/amrio.h (revision ae24b5e0)
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: src/sys/dev/amr/amrio.h,v 1.7 2005/12/14 03:26:49 scottl Exp $
56  */
57 
58 /*
59  * ioctl interface
60  */
61 
62 #include <sys/ioccom.h>
63 #include <sys/param.h>
64 
65 /*
66  * Fetch the driver's interface version.
67  */
68 #define AMR_IO_VERSION_NUMBER	153
69 #define AMR_IO_VERSION	_IOR('A', 0x200, int)
70 
71 /*
72  * Pass a command from userspace through to the adapter.
73  *
74  * Note that in order to be code-compatible with the Linux
75  * interface where possible, the formatting of the au_cmd field is
76  * somewhat Interesting.
77  *
78  * For normal commands, the layout is (fields from struct amr_mailbox_ioctl):
79  *
80  * 0		mb_command
81  * 1		mb_channel
82  * 2		mb_param
83  * 3		mb_pad[0]
84  * 4		mb_drive
85  *
86  * For SCSI passthrough commands, the layout is:
87  *
88  * 0		AMR_CMD_PASS	(0x3)
89  * 1		reserved, 0
90  * 2		cdb length
91  * 3		cdb data
92  * 3+cdb_len	passthrough control byte (timeout, ars, islogical)
93  * 4+cdb_len	reserved, 0
94  * 5+cdb_len	channel
95  * 6+cdb_len	target
96  */
97 
98 struct amr_user_ioctl {
99     unsigned char	au_cmd[32];	/* command text from userspace */
100     void		*au_buffer;	/* data buffer in userspace */
101     unsigned long	au_length;	/* data buffer size (0 == no data) */
102     int			au_direction;	/* data transfer direction */
103 #define AMR_IO_NODATA	0
104 #define AMR_IO_READ	1
105 #define AMR_IO_WRITE	2
106     int			au_status;	/* command status returned by adapter */
107 };
108 
109 #define AMR_IO_COMMAND	_IOWR('A', 0x201, struct amr_user_ioctl)
110 
111 #if defined(__x86_64__)
112 
113 struct amr_user_ioctl32 {
114     unsigned char	au_cmd[32];	/* command text from userspace */
115     u_int32_t		au_buffer;	/* 32-bit pointer to uspace buf */
116     u_int32_t		au_length;	/* length of the uspace buffer */
117     int32_t		au_direction;	/* data transfer direction */
118     int32_t		au_status;	/* command status returned by adapter */
119 };
120 
121 #	define AMR_IO_COMMAND32	_IOWR('A', 0x201, struct amr_user_ioctl32)
122 #endif
123