linux-headers (unknown)
1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2
3 #ifndef _LINUX_F2FS_H
4 #define _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 /* _LINUX_F2FS_H */
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