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
65struct f2fs_gc_range {
66	__u32 sync;
67	__u64 start;
68	__u64 len;
69};
70
71struct f2fs_defragment {
72	__u64 start;
73	__u64 len;
74};
75
76struct 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
83struct f2fs_flush_device {
84	__u32 dev_num;		/* device number to flush */
85	__u32 segments;		/* # of segments to flush */
86};
87
88struct f2fs_sectrim_range {
89	__u64 start;
90	__u64 len;
91	__u64 flags;
92};
93
94struct f2fs_comp_option {
95	__u8 algorithm;
96	__u8 log_cluster_size;
97};
98
99#endif /* _UAPI_LINUX_F2FS_H */
100