twe(4): Sync with FreeBSD.
[dragonfly.git] / sys / dev / raid / twe / tweio.h
CommitLineData
984263bc
MD
1/*-
2 * Copyright (c) 2000 Michael Smith
a062d8a7
HP
3 * Copyright (c) 2003 Paul Saab
4 * Copyright (c) 2003 Vinod Kashyap
984263bc
MD
5 * Copyright (c) 2000 BSDi
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
f21d89e9 29 * $FreeBSD: src/sys/dev/twe/tweio.h,v 1.6 2012/11/17 01:52:19 svnexp Exp $
984263bc
MD
30 */
31
99dd49c5 32#include <sys/ioccom.h>
984263bc
MD
33
34/*
35 * User-space command
36 *
37 * Note that the command's scatter/gather list will be computed by the
38 * driver, and cannot be filled in by the consumer.
39 */
40struct twe_usercommand {
41 TWE_Command tu_command; /* command ready for the controller */
42 void *tu_data; /* pointer to data in userspace */
43 size_t tu_size; /* userspace data length */
44};
45
46#define TWEIO_COMMAND _IOWR('T', 100, struct twe_usercommand)
47
48/*
49 * Command queue statistics
50 */
51#define TWEQ_FREE 0
52#define TWEQ_BIO 1
53#define TWEQ_READY 2
54#define TWEQ_BUSY 3
55#define TWEQ_COMPLETE 4
56#define TWEQ_COUNT 5 /* total number of queues */
57
58struct twe_qstat {
59 u_int32_t q_length;
60 u_int32_t q_max;
a062d8a7 61 u_int32_t q_min;
984263bc
MD
62};
63
64/*
65 * Statistics request
66 */
67union twe_statrequest {
68 u_int32_t ts_item;
69 struct twe_qstat ts_qstat;
70};
71
72#define TWEIO_STATS _IOWR('T', 101, union twe_statrequest)
73
74/*
75 * AEN listen
76 */
a062d8a7
HP
77#define TWEIO_AEN_POLL _IOR('T', 102, u_int16_t)
78#define TWEIO_AEN_WAIT _IOR('T', 103, u_int16_t)
984263bc
MD
79
80/*
81 * Controller parameter access
82 */
83struct twe_paramcommand {
84 u_int16_t tp_table_id;
85 u_int8_t tp_param_id;
86 void *tp_data;
87 u_int8_t tp_size;
88};
89
90#define TWEIO_SET_PARAM _IOW ('T', 104, struct twe_paramcommand)
91#define TWEIO_GET_PARAM _IOW ('T', 105, struct twe_paramcommand)
92
93/*
94 * Request a controller soft-reset
95 */
96#define TWEIO_RESET _IO ('T', 106)
0a62b1be
DR
97
98/*
99 * Request a drive addition or deletion
100 */
101struct twe_drivecommand {
102 int td_unit;
103};
104
105#define TWEIO_ADD_UNIT _IOW ('U', 107, int)
106#define TWEIO_DEL_UNIT _IOW ('U', 108, int)