1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
|
/*
md_u.h : user <=> kernel API between Linux raidtools and RAID drivers
Copyright (C) 1998 Ingo Molnar
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
You should have received a copy of the GNU General Public License
(for example /usr/src/linux/COPYING); if not, write to the Free
Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef _MD_U_H
#define _MD_U_H
/* ioctls */
/* status */
#define RAID_VERSION _IOR (MD_MAJOR, 0x10, mdu_version_t)
#define GET_ARRAY_INFO _IOR (MD_MAJOR, 0x11, mdu_array_info_t)
#define GET_DISK_INFO _IOR (MD_MAJOR, 0x12, mdu_disk_info_t)
#define PRINT_RAID_DEBUG _IO (MD_MAJOR, 0x13)
#define RAID_AUTORUN _IO (MD_MAJOR, 0x14)
#define GET_BITMAP_FILE _IOR (MD_MAJOR, 0x15, mdu_bitmap_file_t)
/* configuration */
#define CLEAR_ARRAY _IO (MD_MAJOR, 0x20)
#define ADD_NEW_DISK _IOW (MD_MAJOR, 0x21, mdu_disk_info_t)
#define HOT_REMOVE_DISK _IO (MD_MAJOR, 0x22)
#define SET_ARRAY_INFO _IOW (MD_MAJOR, 0x23, mdu_array_info_t)
#define SET_DISK_INFO _IO (MD_MAJOR, 0x24)
#define WRITE_RAID_INFO _IO (MD_MAJOR, 0x25)
#define UNPROTECT_ARRAY _IO (MD_MAJOR, 0x26)
#define PROTECT_ARRAY _IO (MD_MAJOR, 0x27)
#define HOT_ADD_DISK _IO (MD_MAJOR, 0x28)
#define SET_DISK_FAULTY _IO (MD_MAJOR, 0x29)
#define SET_BITMAP_FILE _IOW (MD_MAJOR, 0x2b, int)
/* usage */
#define RUN_ARRAY _IOW (MD_MAJOR, 0x30, mdu_param_t)
#define START_ARRAY _IO (MD_MAJOR, 0x31)
#define STOP_ARRAY _IO (MD_MAJOR, 0x32)
#define STOP_ARRAY_RO _IO (MD_MAJOR, 0x33)
#define RESTART_ARRAY_RW _IO (MD_MAJOR, 0x34)
#define CLUSTERED_DISK_NACK _IO (MD_MAJOR, 0x35)
typedef struct mdu_version_s {
int major;
int minor;
int patchlevel;
} mdu_version_t;
typedef struct mdu_array_info_s {
/*
* Generic constant information
*/
int major_version;
int minor_version;
int patch_version;
int ctime;
int level;
int size;
int nr_disks;
int raid_disks;
int md_minor;
int not_persistent;
/*
* Generic state information
*/
int utime; /* 0 Superblock update time */
int state; /* 1 State bits (clean, ...) */
int active_disks; /* 2 Number of currently active disks */
int working_disks; /* 3 Number of working disks */
int failed_disks; /* 4 Number of failed disks */
int spare_disks; /* 5 Number of spare disks */
/*
* Personality information
*/
int layout; /* 0 the array's physical layout */
int chunk_size; /* 1 chunk size in bytes */
} mdu_array_info_t;
typedef struct mdu_disk_info_s {
/*
* configuration/status of one particular disk
*/
int number;
int major;
int minor;
int raid_disk;
int state;
} mdu_disk_info_t;
typedef struct mdu_start_info_s {
/*
* configuration/status of one particular disk
*/
int major;
int minor;
int raid_disk;
int state;
} mdu_start_info_t;
typedef struct mdu_bitmap_file_s
{
char pathname[4096];
} mdu_bitmap_file_t;
typedef struct mdu_param_s
{
int personality; /* 1,2,3,4 */
int chunk_size; /* in bytes */
int max_fault; /* unused for now */
} mdu_param_t;
#endif
|
