xref: /freebsd/sys/dev/mlx/mlxio.h (revision f0a75d274af375d15b97b830966b99a02b7db911)
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  *	$FreeBSD$
27  */
28 
29 #include <sys/ioccom.h>
30 
31 /*
32  * System Disk ioctls
33  */
34 
35 /* system disk status values */
36 #define MLX_SYSD_ONLINE		0x03
37 #define MLX_SYSD_CRITICAL	0x04
38 #define MLX_SYSD_OFFLINE	0xff
39 
40 #define MLXD_STATUS		_IOR ('M', 100, int)
41 #define MLXD_CHECKASYNC		_IOR ('M', 101, int)	/* command result returned in argument */
42 
43 /*
44  * Controller ioctls
45  */
46 struct mlx_pause
47 {
48     int		mp_which;
49 #define MLX_PAUSE_ALL		0xff
50 #define MLX_PAUSE_CANCEL	0x00
51     int		mp_when;
52     int		mp_howlong;
53 };
54 
55 struct mlx_usercommand
56 {
57     /* data buffer */
58     size_t	mu_datasize;	/* size of databuffer */
59     void	*mu_buf;	/* address in userspace of databuffer */
60     int		mu_bufptr;	/* offset into command mailbox to place databuffer address */
61 
62     /* command */
63     u_int16_t	mu_status;	/* command status returned */
64     u_int8_t	mu_command[16];	/* command mailbox contents */
65 
66     /* wrapper */
67     int		mu_error;	/* result of submission to driver */
68 
69 };
70 
71 struct mlx_rebuild_request
72 {
73     int		rr_channel;
74     int		rr_target;
75     int		rr_status;
76 };
77 
78 struct mlx_rebuild_status
79 {
80     u_int16_t	rs_code;
81 #define MLX_REBUILDSTAT_REBUILDCHECK	0x0000
82 #define MLX_REBUILDSTAT_ADDCAPACITY	0x0400
83 #define MLX_REBUILDSTAT_ADDCAPACITYINIT	0x0500
84 #define MLX_REBUILDSTAT_IDLE		0xffff
85     u_int16_t	rs_drive;
86     int		rs_size;
87     int		rs_remaining;
88 };
89 
90 #define MLX_NEXT_CHILD		_IOWR('M', 0, int)
91 #define MLX_RESCAN_DRIVES	_IO  ('M', 1)
92 #define MLX_DETACH_DRIVE	_IOW ('M', 2, int)
93 #define MLX_PAUSE_CHANNEL	_IOW ('M', 3, struct mlx_pause)
94 #define MLX_COMMAND		_IOWR('M', 4, struct mlx_usercommand)
95 #define MLX_REBUILDASYNC	_IOWR('M', 5, struct mlx_rebuild_request)
96 #define MLX_REBUILDSTAT		_IOR ('M', 6, struct mlx_rebuild_status)
97 #define MLX_GET_SYSDRIVE	_IOWR('M', 7, int)
98