xref: /freebsd/sys/dev/mlx/mlxio.h (revision 6829dae12bb055451fa467da4589c43bd03b1e64)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 1999 Michael Smith
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  *
28  *	$FreeBSD$
29  */
30 
31 #include <sys/ioccom.h>
32 
33 /*
34  * System Disk ioctls
35  */
36 
37 /* system disk status values */
38 #define MLX_SYSD_ONLINE		0x03
39 #define MLX_SYSD_CRITICAL	0x04
40 #define MLX_SYSD_OFFLINE	0xff
41 
42 #define MLXD_STATUS		_IOR ('M', 100, int)
43 #define MLXD_CHECKASYNC		_IOR ('M', 101, int)	/* command result returned in argument */
44 
45 /*
46  * Controller ioctls
47  */
48 struct mlx_pause
49 {
50     int		mp_which;
51 #define MLX_PAUSE_ALL		0xff
52 #define MLX_PAUSE_CANCEL	0x00
53     int		mp_when;
54     int		mp_howlong;
55 };
56 
57 struct mlx_usercommand
58 {
59     /* data buffer */
60     size_t	mu_datasize;	/* size of databuffer */
61     void	*mu_buf;	/* address in userspace of databuffer */
62     int		mu_bufptr;	/* offset into command mailbox to place databuffer address */
63 
64     /* command */
65     u_int16_t	mu_status;	/* command status returned */
66     u_int8_t	mu_command[16];	/* command mailbox contents */
67 
68     /* wrapper */
69     int		mu_error;	/* result of submission to driver */
70 
71 };
72 
73 struct mlx_rebuild_request
74 {
75     int		rr_channel;
76     int		rr_target;
77     int		rr_status;
78 };
79 
80 struct mlx_rebuild_status
81 {
82     u_int16_t	rs_code;
83 #define MLX_REBUILDSTAT_REBUILDCHECK	0x0000
84 #define MLX_REBUILDSTAT_ADDCAPACITY	0x0400
85 #define MLX_REBUILDSTAT_ADDCAPACITYINIT	0x0500
86 #define MLX_REBUILDSTAT_IDLE		0xffff
87     u_int16_t	rs_drive;
88     int		rs_size;
89     int		rs_remaining;
90 };
91 
92 #define MLX_NEXT_CHILD		_IOWR('M', 0, int)
93 #define MLX_RESCAN_DRIVES	_IO  ('M', 1)
94 #define MLX_DETACH_DRIVE	_IOW ('M', 2, int)
95 #define MLX_PAUSE_CHANNEL	_IOW ('M', 3, struct mlx_pause)
96 #define MLX_COMMAND		_IOWR('M', 4, struct mlx_usercommand)
97 #define MLX_REBUILDASYNC	_IOWR('M', 5, struct mlx_rebuild_request)
98 #define MLX_REBUILDSTAT		_IOR ('M', 6, struct mlx_rebuild_status)
99 #define MLX_GET_SYSDRIVE	_IOWR('M', 7, int)
100