2 * Copyright (c) 1999 Michael Smith
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
33 #include <sys/ioccom.h>
36 * Fetch the driver's interface version.
38 #define AMR_IO_VERSION_NUMBER 0x01
39 #define AMR_IO_VERSION _IOR('A', 0x200, int)
42 * Pass a command from userspace through to the adapter.
44 * Note that in order to be code-compatible with the Linux
45 * interface where possible, the formatting of the au_cmd field is
46 * somewhat Interesting.
48 * For normal commands, the layout is (fields from struct amr_mailbox_ioctl):
56 * For SCSI passthrough commands, the layout is:
58 * 0 AMR_CMD_PASS (0x3)
62 * 3+cdb_len passthrough control byte (timeout, ars, islogical)
63 * 4+cdb_len reserved, 0
68 struct amr_user_ioctl {
69 unsigned char au_cmd[32]; /* command text from userspace */
70 void *au_buffer; /* data buffer in userspace */
71 unsigned long au_length; /* data buffer size (0 == no data) */
72 int au_direction; /* data transfer direction */
73 #define AMR_IO_NODATA 0
75 #define AMR_IO_WRITE 2
76 int au_status; /* command status returned by adapter */
79 #define AMR_IO_COMMAND _IOWR('A', 0x201, struct amr_user_ioctl)