1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
2 | |
3 | #ifndef _UAPI_LINUX_F2FS_H |
4 | #define _UAPI_LINUX_F2FS_H |
5 | #include <linux/types.h> |
6 | #include <linux/ioctl.h> |
7 | |
8 | /* |
9 | * f2fs-specific ioctl commands |
10 | */ |
11 | #define F2FS_IOCTL_MAGIC 0xf5 |
12 | #define F2FS_IOC_START_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 1) |
13 | #define F2FS_IOC_COMMIT_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 2) |
14 | #define F2FS_IOC_START_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 3) |
15 | #define F2FS_IOC_RELEASE_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 4) |
16 | #define F2FS_IOC_ABORT_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 5) |
17 | #define F2FS_IOC_GARBAGE_COLLECT _IOW(F2FS_IOCTL_MAGIC, 6, __u32) |
18 | #define F2FS_IOC_WRITE_CHECKPOINT _IO(F2FS_IOCTL_MAGIC, 7) |
19 | #define F2FS_IOC_DEFRAGMENT _IOWR(F2FS_IOCTL_MAGIC, 8, \ |
20 | struct f2fs_defragment) |
21 | #define F2FS_IOC_MOVE_RANGE _IOWR(F2FS_IOCTL_MAGIC, 9, \ |
22 | struct f2fs_move_range) |
23 | #define F2FS_IOC_FLUSH_DEVICE _IOW(F2FS_IOCTL_MAGIC, 10, \ |
24 | struct f2fs_flush_device) |
25 | #define F2FS_IOC_GARBAGE_COLLECT_RANGE _IOW(F2FS_IOCTL_MAGIC, 11, \ |
26 | struct f2fs_gc_range) |
27 | #define F2FS_IOC_GET_FEATURES _IOR(F2FS_IOCTL_MAGIC, 12, __u32) |
28 | #define F2FS_IOC_SET_PIN_FILE _IOW(F2FS_IOCTL_MAGIC, 13, __u32) |
29 | #define F2FS_IOC_GET_PIN_FILE _IOR(F2FS_IOCTL_MAGIC, 14, __u32) |
30 | #define F2FS_IOC_PRECACHE_EXTENTS _IO(F2FS_IOCTL_MAGIC, 15) |
31 | #define F2FS_IOC_RESIZE_FS _IOW(F2FS_IOCTL_MAGIC, 16, __u64) |
32 | #define F2FS_IOC_GET_COMPRESS_BLOCKS _IOR(F2FS_IOCTL_MAGIC, 17, __u64) |
33 | #define F2FS_IOC_RELEASE_COMPRESS_BLOCKS \ |
34 | _IOR(F2FS_IOCTL_MAGIC, 18, __u64) |
35 | #define F2FS_IOC_RESERVE_COMPRESS_BLOCKS \ |
36 | _IOR(F2FS_IOCTL_MAGIC, 19, __u64) |
37 | #define F2FS_IOC_SEC_TRIM_FILE _IOW(F2FS_IOCTL_MAGIC, 20, \ |
38 | struct f2fs_sectrim_range) |
39 | #define F2FS_IOC_GET_COMPRESS_OPTION _IOR(F2FS_IOCTL_MAGIC, 21, \ |
40 | struct f2fs_comp_option) |
41 | #define F2FS_IOC_SET_COMPRESS_OPTION _IOW(F2FS_IOCTL_MAGIC, 22, \ |
42 | struct f2fs_comp_option) |
43 | #define F2FS_IOC_DECOMPRESS_FILE _IO(F2FS_IOCTL_MAGIC, 23) |
44 | #define F2FS_IOC_COMPRESS_FILE _IO(F2FS_IOCTL_MAGIC, 24) |
45 | #define F2FS_IOC_START_ATOMIC_REPLACE _IO(F2FS_IOCTL_MAGIC, 25) |
46 | |
47 | /* |
48 | * should be same as XFS_IOC_GOINGDOWN. |
49 | * Flags for going down operation used by FS_IOC_GOINGDOWN |
50 | */ |
51 | #define F2FS_IOC_SHUTDOWN _IOR('X', 125, __u32) /* Shutdown */ |
52 | #define F2FS_GOING_DOWN_FULLSYNC 0x0 /* going down with full sync */ |
53 | #define F2FS_GOING_DOWN_METASYNC 0x1 /* going down with metadata */ |
54 | #define F2FS_GOING_DOWN_NOSYNC 0x2 /* going down */ |
55 | #define F2FS_GOING_DOWN_METAFLUSH 0x3 /* going down with meta flush */ |
56 | #define F2FS_GOING_DOWN_NEED_FSCK 0x4 /* going down to trigger fsck */ |
57 | |
58 | /* |
59 | * Flags used by F2FS_IOC_SEC_TRIM_FILE |
60 | */ |
61 | #define F2FS_TRIM_FILE_DISCARD 0x1 /* send discard command */ |
62 | #define F2FS_TRIM_FILE_ZEROOUT 0x2 /* zero out */ |
63 | #define F2FS_TRIM_FILE_MASK 0x3 |
64 | |
65 | struct f2fs_gc_range { |
66 | __u32 sync; |
67 | __u64 start; |
68 | __u64 len; |
69 | }; |
70 | |
71 | struct f2fs_defragment { |
72 | __u64 start; |
73 | __u64 len; |
74 | }; |
75 | |
76 | struct f2fs_move_range { |
77 | __u32 dst_fd; /* destination fd */ |
78 | __u64 pos_in; /* start position in src_fd */ |
79 | __u64 pos_out; /* start position in dst_fd */ |
80 | __u64 len; /* size to move */ |
81 | }; |
82 | |
83 | struct f2fs_flush_device { |
84 | __u32 dev_num; /* device number to flush */ |
85 | __u32 segments; /* # of segments to flush */ |
86 | }; |
87 | |
88 | struct f2fs_sectrim_range { |
89 | __u64 start; |
90 | __u64 len; |
91 | __u64 flags; |
92 | }; |
93 | |
94 | struct f2fs_comp_option { |
95 | __u8 algorithm; |
96 | __u8 log_cluster_size; |
97 | }; |
98 | |
99 | #endif /* _UAPI_LINUX_F2FS_H */ |
100 | |