1fa4320ceSChao Yu /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2fa4320ceSChao Yu 3fa4320ceSChao Yu #ifndef _UAPI_LINUX_F2FS_H 4fa4320ceSChao Yu #define _UAPI_LINUX_F2FS_H 5fa4320ceSChao Yu #include <linux/types.h> 6fa4320ceSChao Yu #include <linux/ioctl.h> 7fa4320ceSChao Yu 8fa4320ceSChao Yu /* 9fa4320ceSChao Yu * f2fs-specific ioctl commands 10fa4320ceSChao Yu */ 11fa4320ceSChao Yu #define F2FS_IOCTL_MAGIC 0xf5 12fa4320ceSChao Yu #define F2FS_IOC_START_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 1) 13fa4320ceSChao Yu #define F2FS_IOC_COMMIT_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 2) 14fa4320ceSChao Yu #define F2FS_IOC_START_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 3) 15fa4320ceSChao Yu #define F2FS_IOC_RELEASE_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 4) 1623339e57SDaeho Jeong #define F2FS_IOC_ABORT_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 5) 17fa4320ceSChao Yu #define F2FS_IOC_GARBAGE_COLLECT _IOW(F2FS_IOCTL_MAGIC, 6, __u32) 18fa4320ceSChao Yu #define F2FS_IOC_WRITE_CHECKPOINT _IO(F2FS_IOCTL_MAGIC, 7) 19fa4320ceSChao Yu #define F2FS_IOC_DEFRAGMENT _IOWR(F2FS_IOCTL_MAGIC, 8, \ 20fa4320ceSChao Yu struct f2fs_defragment) 21fa4320ceSChao Yu #define F2FS_IOC_MOVE_RANGE _IOWR(F2FS_IOCTL_MAGIC, 9, \ 22fa4320ceSChao Yu struct f2fs_move_range) 23fa4320ceSChao Yu #define F2FS_IOC_FLUSH_DEVICE _IOW(F2FS_IOCTL_MAGIC, 10, \ 24fa4320ceSChao Yu struct f2fs_flush_device) 25fa4320ceSChao Yu #define F2FS_IOC_GARBAGE_COLLECT_RANGE _IOW(F2FS_IOCTL_MAGIC, 11, \ 26fa4320ceSChao Yu struct f2fs_gc_range) 27fa4320ceSChao Yu #define F2FS_IOC_GET_FEATURES _IOR(F2FS_IOCTL_MAGIC, 12, __u32) 28fa4320ceSChao Yu #define F2FS_IOC_SET_PIN_FILE _IOW(F2FS_IOCTL_MAGIC, 13, __u32) 29fa4320ceSChao Yu #define F2FS_IOC_GET_PIN_FILE _IOR(F2FS_IOCTL_MAGIC, 14, __u32) 30fa4320ceSChao Yu #define F2FS_IOC_PRECACHE_EXTENTS _IO(F2FS_IOCTL_MAGIC, 15) 31fa4320ceSChao Yu #define F2FS_IOC_RESIZE_FS _IOW(F2FS_IOCTL_MAGIC, 16, __u64) 32fa4320ceSChao Yu #define F2FS_IOC_GET_COMPRESS_BLOCKS _IOR(F2FS_IOCTL_MAGIC, 17, __u64) 33fa4320ceSChao Yu #define F2FS_IOC_RELEASE_COMPRESS_BLOCKS \ 34fa4320ceSChao Yu _IOR(F2FS_IOCTL_MAGIC, 18, __u64) 35fa4320ceSChao Yu #define F2FS_IOC_RESERVE_COMPRESS_BLOCKS \ 36fa4320ceSChao Yu _IOR(F2FS_IOCTL_MAGIC, 19, __u64) 37fa4320ceSChao Yu #define F2FS_IOC_SEC_TRIM_FILE _IOW(F2FS_IOCTL_MAGIC, 20, \ 38fa4320ceSChao Yu struct f2fs_sectrim_range) 399e2a5f8cSDaeho Jeong #define F2FS_IOC_GET_COMPRESS_OPTION _IOR(F2FS_IOCTL_MAGIC, 21, \ 409e2a5f8cSDaeho Jeong struct f2fs_comp_option) 41e1e8debeSDaeho Jeong #define F2FS_IOC_SET_COMPRESS_OPTION _IOW(F2FS_IOCTL_MAGIC, 22, \ 42e1e8debeSDaeho Jeong struct f2fs_comp_option) 435fdb322fSDaeho Jeong #define F2FS_IOC_DECOMPRESS_FILE _IO(F2FS_IOCTL_MAGIC, 23) 445fdb322fSDaeho Jeong #define F2FS_IOC_COMPRESS_FILE _IO(F2FS_IOCTL_MAGIC, 24) 45*41e8f85aSDaeho Jeong #define F2FS_IOC_START_ATOMIC_REPLACE _IO(F2FS_IOCTL_MAGIC, 25) 46fa4320ceSChao Yu 47fa4320ceSChao Yu /* 48fa4320ceSChao Yu * should be same as XFS_IOC_GOINGDOWN. 49fa4320ceSChao Yu * Flags for going down operation used by FS_IOC_GOINGDOWN 50fa4320ceSChao Yu */ 51fa4320ceSChao Yu #define F2FS_IOC_SHUTDOWN _IOR('X', 125, __u32) /* Shutdown */ 52fa4320ceSChao Yu #define F2FS_GOING_DOWN_FULLSYNC 0x0 /* going down with full sync */ 53fa4320ceSChao Yu #define F2FS_GOING_DOWN_METASYNC 0x1 /* going down with metadata */ 54fa4320ceSChao Yu #define F2FS_GOING_DOWN_NOSYNC 0x2 /* going down */ 55fa4320ceSChao Yu #define F2FS_GOING_DOWN_METAFLUSH 0x3 /* going down with meta flush */ 56fa4320ceSChao Yu #define F2FS_GOING_DOWN_NEED_FSCK 0x4 /* going down to trigger fsck */ 57fa4320ceSChao Yu 58fa4320ceSChao Yu /* 59fa4320ceSChao Yu * Flags used by F2FS_IOC_SEC_TRIM_FILE 60fa4320ceSChao Yu */ 61fa4320ceSChao Yu #define F2FS_TRIM_FILE_DISCARD 0x1 /* send discard command */ 62fa4320ceSChao Yu #define F2FS_TRIM_FILE_ZEROOUT 0x2 /* zero out */ 63fa4320ceSChao Yu #define F2FS_TRIM_FILE_MASK 0x3 64fa4320ceSChao Yu 65fa4320ceSChao Yu struct f2fs_gc_range { 66fa4320ceSChao Yu __u32 sync; 67fa4320ceSChao Yu __u64 start; 68fa4320ceSChao Yu __u64 len; 69fa4320ceSChao Yu }; 70fa4320ceSChao Yu 71fa4320ceSChao Yu struct f2fs_defragment { 72fa4320ceSChao Yu __u64 start; 73fa4320ceSChao Yu __u64 len; 74fa4320ceSChao Yu }; 75fa4320ceSChao Yu 76fa4320ceSChao Yu struct f2fs_move_range { 77fa4320ceSChao Yu __u32 dst_fd; /* destination fd */ 78fa4320ceSChao Yu __u64 pos_in; /* start position in src_fd */ 79fa4320ceSChao Yu __u64 pos_out; /* start position in dst_fd */ 80fa4320ceSChao Yu __u64 len; /* size to move */ 81fa4320ceSChao Yu }; 82fa4320ceSChao Yu 83fa4320ceSChao Yu struct f2fs_flush_device { 84fa4320ceSChao Yu __u32 dev_num; /* device number to flush */ 85fa4320ceSChao Yu __u32 segments; /* # of segments to flush */ 86fa4320ceSChao Yu }; 87fa4320ceSChao Yu 88fa4320ceSChao Yu struct f2fs_sectrim_range { 89fa4320ceSChao Yu __u64 start; 90fa4320ceSChao Yu __u64 len; 91fa4320ceSChao Yu __u64 flags; 92fa4320ceSChao Yu }; 93fa4320ceSChao Yu 949e2a5f8cSDaeho Jeong struct f2fs_comp_option { 959e2a5f8cSDaeho Jeong __u8 algorithm; 969e2a5f8cSDaeho Jeong __u8 log_cluster_size; 979e2a5f8cSDaeho Jeong }; 989e2a5f8cSDaeho Jeong 99fa4320ceSChao Yu #endif /* _UAPI_LINUX_F2FS_H */ 100