FreeBSD/Linux Kernel Cross Reference
sys/dev/mly/mlyio.h
1 /*-
2 * Copyright (c) 2001 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 * $FreeBSD: releng/6.4/sys/dev/mly/mlyio.h 79695 2001-07-14 00:12:23Z msmith $
27 */
28
29 /********************************************************************************
30 * Control structures exchanged through the GAM interface with userland
31 * management tools.
32 *
33 * The member naming here is consistent with the Linux driver, with which this
34 * interface is basically compatible.
35 */
36 struct mly_user_command
37 {
38 unsigned char ControllerNumber;
39 union mly_command_packet CommandMailbox;
40 int DataTransferLength;
41 int RequestSenseLength;
42 void *DataTransferBuffer;
43 void *RequestSenseBuffer;
44 int CommandStatus; /* not in the Linux structure */
45 };
46
47 #define MLYIO_COMMAND _IOWR('M', 200, struct mly_user_command)
48
49 struct mly_user_health
50 {
51 unsigned char ControllerNumber;
52 void *HealthStatusBuffer;
53 };
54
55 #define MLYIO_HEALTH _IOW('M', 201, struct mly_user_health)
56
57 /*
58 * Command queue statistics
59 */
60
61 #define MLYQ_FREE 0
62 #define MLYQ_BUSY 1
63 #define MLYQ_COMPLETE 2
64 #define MLYQ_COUNT 3
65
66 struct mly_qstat
67 {
68 u_int32_t q_length;
69 u_int32_t q_max;
70 };
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