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-rw-r--r--include/linux/raid/Kbuild2
-rw-r--r--include/linux/raid/md_u.h141
-rw-r--r--include/uapi/linux/raid/Kbuild2
-rw-r--r--include/uapi/linux/raid/md_p.h (renamed from include/linux/raid/md_p.h)0
-rw-r--r--include/uapi/linux/raid/md_u.h155
5 files changed, 158 insertions, 142 deletions
diff --git a/include/linux/raid/Kbuild b/include/linux/raid/Kbuild
index 2415a64c5e51..e69de29bb2d1 100644
--- a/include/linux/raid/Kbuild
+++ b/include/linux/raid/Kbuild
@@ -1,2 +0,0 @@
1header-y += md_p.h
2header-y += md_u.h
diff --git a/include/linux/raid/md_u.h b/include/linux/raid/md_u.h
index fb1abb3367e9..358c04bfbe2a 100644
--- a/include/linux/raid/md_u.h
+++ b/include/linux/raid/md_u.h
@@ -11,149 +11,10 @@
11 (for example /usr/src/linux/COPYING); if not, write to the Free 11 (for example /usr/src/linux/COPYING); if not, write to the Free
12 Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 12 Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
13*/ 13*/
14
15#ifndef _MD_U_H 14#ifndef _MD_U_H
16#define _MD_U_H 15#define _MD_U_H
17 16
18/* 17#include <uapi/linux/raid/md_u.h>
19 * Different major versions are not compatible.
20 * Different minor versions are only downward compatible.
21 * Different patchlevel versions are downward and upward compatible.
22 */
23#define MD_MAJOR_VERSION 0
24#define MD_MINOR_VERSION 90
25/*
26 * MD_PATCHLEVEL_VERSION indicates kernel functionality.
27 * >=1 means different superblock formats are selectable using SET_ARRAY_INFO
28 * and major_version/minor_version accordingly
29 * >=2 means that Internal bitmaps are supported by setting MD_SB_BITMAP_PRESENT
30 * in the super status byte
31 * >=3 means that bitmap superblock version 4 is supported, which uses
32 * little-ending representation rather than host-endian
33 */
34#define MD_PATCHLEVEL_VERSION 3
35
36/* ioctls */
37
38/* status */
39#define RAID_VERSION _IOR (MD_MAJOR, 0x10, mdu_version_t)
40#define GET_ARRAY_INFO _IOR (MD_MAJOR, 0x11, mdu_array_info_t)
41#define GET_DISK_INFO _IOR (MD_MAJOR, 0x12, mdu_disk_info_t)
42#define PRINT_RAID_DEBUG _IO (MD_MAJOR, 0x13)
43#define RAID_AUTORUN _IO (MD_MAJOR, 0x14)
44#define GET_BITMAP_FILE _IOR (MD_MAJOR, 0x15, mdu_bitmap_file_t)
45
46/* configuration */
47#define CLEAR_ARRAY _IO (MD_MAJOR, 0x20)
48#define ADD_NEW_DISK _IOW (MD_MAJOR, 0x21, mdu_disk_info_t)
49#define HOT_REMOVE_DISK _IO (MD_MAJOR, 0x22)
50#define SET_ARRAY_INFO _IOW (MD_MAJOR, 0x23, mdu_array_info_t)
51#define SET_DISK_INFO _IO (MD_MAJOR, 0x24)
52#define WRITE_RAID_INFO _IO (MD_MAJOR, 0x25)
53#define UNPROTECT_ARRAY _IO (MD_MAJOR, 0x26)
54#define PROTECT_ARRAY _IO (MD_MAJOR, 0x27)
55#define HOT_ADD_DISK _IO (MD_MAJOR, 0x28)
56#define SET_DISK_FAULTY _IO (MD_MAJOR, 0x29)
57#define HOT_GENERATE_ERROR _IO (MD_MAJOR, 0x2a)
58#define SET_BITMAP_FILE _IOW (MD_MAJOR, 0x2b, int)
59 18
60/* usage */
61#define RUN_ARRAY _IOW (MD_MAJOR, 0x30, mdu_param_t)
62/* 0x31 was START_ARRAY */
63#define STOP_ARRAY _IO (MD_MAJOR, 0x32)
64#define STOP_ARRAY_RO _IO (MD_MAJOR, 0x33)
65#define RESTART_ARRAY_RW _IO (MD_MAJOR, 0x34)
66
67/* 63 partitions with the alternate major number (mdp) */
68#define MdpMinorShift 6
69#ifdef __KERNEL__
70extern int mdp_major; 19extern int mdp_major;
71#endif
72
73typedef struct mdu_version_s {
74 int major;
75 int minor;
76 int patchlevel;
77} mdu_version_t;
78
79typedef struct mdu_array_info_s {
80 /*
81 * Generic constant information
82 */
83 int major_version;
84 int minor_version;
85 int patch_version;
86 int ctime;
87 int level;
88 int size;
89 int nr_disks;
90 int raid_disks;
91 int md_minor;
92 int not_persistent;
93
94 /*
95 * Generic state information
96 */
97 int utime; /* 0 Superblock update time */
98 int state; /* 1 State bits (clean, ...) */
99 int active_disks; /* 2 Number of currently active disks */
100 int working_disks; /* 3 Number of working disks */
101 int failed_disks; /* 4 Number of failed disks */
102 int spare_disks; /* 5 Number of spare disks */
103
104 /*
105 * Personality information
106 */
107 int layout; /* 0 the array's physical layout */
108 int chunk_size; /* 1 chunk size in bytes */
109
110} mdu_array_info_t;
111
112/* non-obvious values for 'level' */
113#define LEVEL_MULTIPATH (-4)
114#define LEVEL_LINEAR (-1)
115#define LEVEL_FAULTY (-5)
116
117/* we need a value for 'no level specified' and 0
118 * means 'raid0', so we need something else. This is
119 * for internal use only
120 */
121#define LEVEL_NONE (-1000000)
122
123typedef struct mdu_disk_info_s {
124 /*
125 * configuration/status of one particular disk
126 */
127 int number;
128 int major;
129 int minor;
130 int raid_disk;
131 int state;
132
133} mdu_disk_info_t;
134
135typedef struct mdu_start_info_s {
136 /*
137 * configuration/status of one particular disk
138 */
139 int major;
140 int minor;
141 int raid_disk;
142 int state;
143
144} mdu_start_info_t;
145
146typedef struct mdu_bitmap_file_s
147{
148 char pathname[4096];
149} mdu_bitmap_file_t;
150
151typedef struct mdu_param_s
152{
153 int personality; /* 1,2,3,4 */
154 int chunk_size; /* in bytes */
155 int max_fault; /* unused for now */
156} mdu_param_t;
157
158#endif 20#endif
159
diff --git a/include/uapi/linux/raid/Kbuild b/include/uapi/linux/raid/Kbuild
index aafaa5aa54d4..e2c3d25405d7 100644
--- a/include/uapi/linux/raid/Kbuild
+++ b/include/uapi/linux/raid/Kbuild
@@ -1 +1,3 @@
1# UAPI Header export list 1# UAPI Header export list
2header-y += md_p.h
3header-y += md_u.h
diff --git a/include/linux/raid/md_p.h b/include/uapi/linux/raid/md_p.h
index ee753536ab70..ee753536ab70 100644
--- a/include/linux/raid/md_p.h
+++ b/include/uapi/linux/raid/md_p.h
diff --git a/include/uapi/linux/raid/md_u.h b/include/uapi/linux/raid/md_u.h
new file mode 100644
index 000000000000..4133e744e4e6
--- /dev/null
+++ b/include/uapi/linux/raid/md_u.h
@@ -0,0 +1,155 @@
1/*
2 md_u.h : user <=> kernel API between Linux raidtools and RAID drivers
3 Copyright (C) 1998 Ingo Molnar
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2, or (at your option)
8 any later version.
9
10 You should have received a copy of the GNU General Public License
11 (for example /usr/src/linux/COPYING); if not, write to the Free
12 Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
13*/
14
15#ifndef _UAPI_MD_U_H
16#define _UAPI_MD_U_H
17
18/*
19 * Different major versions are not compatible.
20 * Different minor versions are only downward compatible.
21 * Different patchlevel versions are downward and upward compatible.
22 */
23#define MD_MAJOR_VERSION 0
24#define MD_MINOR_VERSION 90
25/*
26 * MD_PATCHLEVEL_VERSION indicates kernel functionality.
27 * >=1 means different superblock formats are selectable using SET_ARRAY_INFO
28 * and major_version/minor_version accordingly
29 * >=2 means that Internal bitmaps are supported by setting MD_SB_BITMAP_PRESENT
30 * in the super status byte
31 * >=3 means that bitmap superblock version 4 is supported, which uses
32 * little-ending representation rather than host-endian
33 */
34#define MD_PATCHLEVEL_VERSION 3
35
36/* ioctls */
37
38/* status */
39#define RAID_VERSION _IOR (MD_MAJOR, 0x10, mdu_version_t)
40#define GET_ARRAY_INFO _IOR (MD_MAJOR, 0x11, mdu_array_info_t)
41#define GET_DISK_INFO _IOR (MD_MAJOR, 0x12, mdu_disk_info_t)
42#define PRINT_RAID_DEBUG _IO (MD_MAJOR, 0x13)
43#define RAID_AUTORUN _IO (MD_MAJOR, 0x14)
44#define GET_BITMAP_FILE _IOR (MD_MAJOR, 0x15, mdu_bitmap_file_t)
45
46/* configuration */
47#define CLEAR_ARRAY _IO (MD_MAJOR, 0x20)
48#define ADD_NEW_DISK _IOW (MD_MAJOR, 0x21, mdu_disk_info_t)
49#define HOT_REMOVE_DISK _IO (MD_MAJOR, 0x22)
50#define SET_ARRAY_INFO _IOW (MD_MAJOR, 0x23, mdu_array_info_t)
51#define SET_DISK_INFO _IO (MD_MAJOR, 0x24)
52#define WRITE_RAID_INFO _IO (MD_MAJOR, 0x25)
53#define UNPROTECT_ARRAY _IO (MD_MAJOR, 0x26)
54#define PROTECT_ARRAY _IO (MD_MAJOR, 0x27)
55#define HOT_ADD_DISK _IO (MD_MAJOR, 0x28)
56#define SET_DISK_FAULTY _IO (MD_MAJOR, 0x29)
57#define HOT_GENERATE_ERROR _IO (MD_MAJOR, 0x2a)
58#define SET_BITMAP_FILE _IOW (MD_MAJOR, 0x2b, int)
59
60/* usage */
61#define RUN_ARRAY _IOW (MD_MAJOR, 0x30, mdu_param_t)
62/* 0x31 was START_ARRAY */
63#define STOP_ARRAY _IO (MD_MAJOR, 0x32)
64#define STOP_ARRAY_RO _IO (MD_MAJOR, 0x33)
65#define RESTART_ARRAY_RW _IO (MD_MAJOR, 0x34)
66
67/* 63 partitions with the alternate major number (mdp) */
68#define MdpMinorShift 6
69
70typedef struct mdu_version_s {
71 int major;
72 int minor;
73 int patchlevel;
74} mdu_version_t;
75
76typedef struct mdu_array_info_s {
77 /*
78 * Generic constant information
79 */
80 int major_version;
81 int minor_version;
82 int patch_version;
83 int ctime;
84 int level;
85 int size;
86 int nr_disks;
87 int raid_disks;
88 int md_minor;
89 int not_persistent;
90
91 /*
92 * Generic state information
93 */
94 int utime; /* 0 Superblock update time */
95 int state; /* 1 State bits (clean, ...) */
96 int active_disks; /* 2 Number of currently active disks */
97 int working_disks; /* 3 Number of working disks */
98 int failed_disks; /* 4 Number of failed disks */
99 int spare_disks; /* 5 Number of spare disks */
100
101 /*
102 * Personality information
103 */
104 int layout; /* 0 the array's physical layout */
105 int chunk_size; /* 1 chunk size in bytes */
106
107} mdu_array_info_t;
108
109/* non-obvious values for 'level' */
110#define LEVEL_MULTIPATH (-4)
111#define LEVEL_LINEAR (-1)
112#define LEVEL_FAULTY (-5)
113
114/* we need a value for 'no level specified' and 0
115 * means 'raid0', so we need something else. This is
116 * for internal use only
117 */
118#define LEVEL_NONE (-1000000)
119
120typedef struct mdu_disk_info_s {
121 /*
122 * configuration/status of one particular disk
123 */
124 int number;
125 int major;
126 int minor;
127 int raid_disk;
128 int state;
129
130} mdu_disk_info_t;
131
132typedef struct mdu_start_info_s {
133 /*
134 * configuration/status of one particular disk
135 */
136 int major;
137 int minor;
138 int raid_disk;
139 int state;
140
141} mdu_start_info_t;
142
143typedef struct mdu_bitmap_file_s
144{
145 char pathname[4096];
146} mdu_bitmap_file_t;
147
148typedef struct mdu_param_s
149{
150 int personality; /* 1,2,3,4 */
151 int chunk_size; /* in bytes */
152 int max_fault; /* unused for now */
153} mdu_param_t;
154
155#endif /* _UAPI_MD_U_H */
generated by cgit v1.2.2 (git 2.25.0) at 2025-12-28 01:18:44 -0500