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6cbd5570 CM |
1 | /* |
2 | * Copyright (C) 2007 Oracle. All rights reserved. | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or | |
5 | * modify it under the terms of the GNU General Public | |
6 | * License v2 as published by the Free Software Foundation. | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
11 | * General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public | |
14 | * License along with this program; if not, write to the | |
15 | * Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
16 | * Boston, MA 021110-1307, USA. | |
17 | */ | |
18 | ||
c5739bba CM |
19 | #ifndef __IOCTL_ |
20 | #define __IOCTL_ | |
21 | #include <linux/ioctl.h> | |
22 | ||
23 | #define BTRFS_IOCTL_MAGIC 0x94 | |
24 | #define BTRFS_VOL_NAME_MAX 255 | |
c071fcfd | 25 | #define BTRFS_PATH_NAME_MAX 4087 |
8a4b83cc | 26 | |
c071fcfd | 27 | /* this should be 4k */ |
c5739bba | 28 | struct btrfs_ioctl_vol_args { |
3de4586c | 29 | __s64 fd; |
8a4b83cc | 30 | char name[BTRFS_PATH_NAME_MAX + 1]; |
c5739bba CM |
31 | }; |
32 | ||
c071fcfd CM |
33 | struct btrfs_ioctl_clone_range_args { |
34 | __s64 src_fd; | |
35 | __u64 src_offset, src_length; | |
36 | __u64 dest_offset; | |
37 | }; | |
38 | ||
c5739bba CM |
39 | #define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, \ |
40 | struct btrfs_ioctl_vol_args) | |
6702ed49 | 41 | #define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, \ |
8352d8a4 | 42 | struct btrfs_ioctl_vol_args) |
edbd8d4e CM |
43 | #define BTRFS_IOC_RESIZE _IOW(BTRFS_IOCTL_MAGIC, 3, \ |
44 | struct btrfs_ioctl_vol_args) | |
8a4b83cc CM |
45 | #define BTRFS_IOC_SCAN_DEV _IOW(BTRFS_IOCTL_MAGIC, 4, \ |
46 | struct btrfs_ioctl_vol_args) | |
6bf13c0c SW |
47 | /* trans start and trans end are dangerous, and only for |
48 | * use by applications that know how to avoid the | |
49 | * resulting deadlocks | |
50 | */ | |
51 | #define BTRFS_IOC_TRANS_START _IO(BTRFS_IOCTL_MAGIC, 6) | |
52 | #define BTRFS_IOC_TRANS_END _IO(BTRFS_IOCTL_MAGIC, 7) | |
53 | #define BTRFS_IOC_SYNC _IO(BTRFS_IOCTL_MAGIC, 8) | |
54 | ||
f2eb0a24 | 55 | #define BTRFS_IOC_CLONE _IOW(BTRFS_IOCTL_MAGIC, 9, int) |
788f20eb CM |
56 | #define BTRFS_IOC_ADD_DEV _IOW(BTRFS_IOCTL_MAGIC, 10, \ |
57 | struct btrfs_ioctl_vol_args) | |
58 | #define BTRFS_IOC_RM_DEV _IOW(BTRFS_IOCTL_MAGIC, 11, \ | |
59 | struct btrfs_ioctl_vol_args) | |
60 | #define BTRFS_IOC_BALANCE _IOW(BTRFS_IOCTL_MAGIC, 12, \ | |
61 | struct btrfs_ioctl_vol_args) | |
c5c9cd4d SW |
62 | |
63 | #define BTRFS_IOC_CLONE_RANGE _IOW(BTRFS_IOCTL_MAGIC, 13, \ | |
64 | struct btrfs_ioctl_clone_range_args) | |
65 | ||
3de4586c CM |
66 | #define BTRFS_IOC_SUBVOL_CREATE _IOW(BTRFS_IOCTL_MAGIC, 14, \ |
67 | struct btrfs_ioctl_vol_args) | |
68 | ||
c5739bba | 69 | #endif |