1/****************************************************************************
2 ****************************************************************************
3 ***
4 ***   This header was automatically generated from a Linux kernel header
5 ***   of the same name, to make information necessary for userspace to
6 ***   call into the kernel available to libc.  It contains only constants,
7 ***   structures, and macros generated from the original header, and thus,
8 ***   contains no copyrightable information.
9 ***
10 ****************************************************************************
11 ****************************************************************************/
12#ifndef _LINUX_DM_IOCTL_V4_H
13#define _LINUX_DM_IOCTL_V4_H
14
15#include <linux/types.h>
16
17#define DM_DIR "mapper"
18#define DM_MAX_TYPE_NAME 16
19#define DM_NAME_LEN 128
20#define DM_UUID_LEN 129
21
22struct dm_ioctl {
23
24 uint32_t version[3];
25 uint32_t data_size;
26
27 uint32_t data_start;
28
29 uint32_t target_count;
30 int32_t open_count;
31 uint32_t flags;
32 uint32_t event_nr;
33 uint32_t padding;
34
35 uint64_t dev;
36
37 char name[DM_NAME_LEN];
38 char uuid[DM_UUID_LEN];
39 char data[7];
40};
41
42struct dm_target_spec {
43 uint64_t sector_start;
44 uint64_t length;
45 int32_t status;
46
47 uint32_t next;
48
49 char target_type[DM_MAX_TYPE_NAME];
50
51};
52
53struct dm_target_deps {
54 uint32_t count;
55 uint32_t padding;
56 uint64_t dev[0];
57};
58
59struct dm_name_list {
60 uint64_t dev;
61 uint32_t next;
62 char name[0];
63};
64
65struct dm_target_versions {
66 uint32_t next;
67 uint32_t version[3];
68
69 char name[0];
70};
71
72struct dm_target_msg {
73 uint64_t sector;
74
75 char message[0];
76};
77
78enum {
79
80 DM_VERSION_CMD = 0,
81 DM_REMOVE_ALL_CMD,
82 DM_LIST_DEVICES_CMD,
83
84 DM_DEV_CREATE_CMD,
85 DM_DEV_REMOVE_CMD,
86 DM_DEV_RENAME_CMD,
87 DM_DEV_SUSPEND_CMD,
88 DM_DEV_STATUS_CMD,
89 DM_DEV_WAIT_CMD,
90
91 DM_TABLE_LOAD_CMD,
92 DM_TABLE_CLEAR_CMD,
93 DM_TABLE_DEPS_CMD,
94 DM_TABLE_STATUS_CMD,
95
96 DM_LIST_VERSIONS_CMD,
97 DM_TARGET_MSG_CMD,
98 DM_DEV_SET_GEOMETRY_CMD
99};
100
101#define DM_IOCTL 0xfd
102
103#define DM_VERSION _IOWR(DM_IOCTL, DM_VERSION_CMD, struct dm_ioctl)
104#define DM_REMOVE_ALL _IOWR(DM_IOCTL, DM_REMOVE_ALL_CMD, struct dm_ioctl)
105#define DM_LIST_DEVICES _IOWR(DM_IOCTL, DM_LIST_DEVICES_CMD, struct dm_ioctl)
106
107#define DM_DEV_CREATE _IOWR(DM_IOCTL, DM_DEV_CREATE_CMD, struct dm_ioctl)
108#define DM_DEV_REMOVE _IOWR(DM_IOCTL, DM_DEV_REMOVE_CMD, struct dm_ioctl)
109#define DM_DEV_RENAME _IOWR(DM_IOCTL, DM_DEV_RENAME_CMD, struct dm_ioctl)
110#define DM_DEV_SUSPEND _IOWR(DM_IOCTL, DM_DEV_SUSPEND_CMD, struct dm_ioctl)
111#define DM_DEV_STATUS _IOWR(DM_IOCTL, DM_DEV_STATUS_CMD, struct dm_ioctl)
112#define DM_DEV_WAIT _IOWR(DM_IOCTL, DM_DEV_WAIT_CMD, struct dm_ioctl)
113
114#define DM_TABLE_LOAD _IOWR(DM_IOCTL, DM_TABLE_LOAD_CMD, struct dm_ioctl)
115#define DM_TABLE_CLEAR _IOWR(DM_IOCTL, DM_TABLE_CLEAR_CMD, struct dm_ioctl)
116#define DM_TABLE_DEPS _IOWR(DM_IOCTL, DM_TABLE_DEPS_CMD, struct dm_ioctl)
117#define DM_TABLE_STATUS _IOWR(DM_IOCTL, DM_TABLE_STATUS_CMD, struct dm_ioctl)
118
119#define DM_LIST_VERSIONS _IOWR(DM_IOCTL, DM_LIST_VERSIONS_CMD, struct dm_ioctl)
120
121#define DM_TARGET_MSG _IOWR(DM_IOCTL, DM_TARGET_MSG_CMD, struct dm_ioctl)
122#define DM_DEV_SET_GEOMETRY _IOWR(DM_IOCTL, DM_DEV_SET_GEOMETRY_CMD, struct dm_ioctl)
123
124#define DM_VERSION_MAJOR 4
125#define DM_VERSION_MINOR 14
126#define DM_VERSION_PATCHLEVEL 0
127#define DM_VERSION_EXTRA "-ioctl (2008-04-23)"
128
129#define DM_READONLY_FLAG (1 << 0)
130#define DM_SUSPEND_FLAG (1 << 1)
131#define DM_PERSISTENT_DEV_FLAG (1 << 3)
132
133#define DM_STATUS_TABLE_FLAG (1 << 4)
134
135#define DM_ACTIVE_PRESENT_FLAG (1 << 5)
136#define DM_INACTIVE_PRESENT_FLAG (1 << 6)
137
138#define DM_BUFFER_FULL_FLAG (1 << 8)
139
140#define DM_SKIP_BDGET_FLAG (1 << 9)
141
142#define DM_SKIP_LOCKFS_FLAG (1 << 10)
143
144#define DM_NOFLUSH_FLAG (1 << 11)
145
146#endif
147