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 #define F2FS_IOC_GET_DEV_ALIAS_FILE _IOR(F2FS_IOCTL_MAGIC, 26, __u32) 47 #define F2FS_IOC_IO_PRIO _IOW(F2FS_IOCTL_MAGIC, 27, __u32) 48 #define F2FS_IOC_RESERVE_DEV_ALIAS _IO(F2FS_IOCTL_MAGIC, 28) 49 #define F2FS_IOC_RELEASE_DEV_ALIAS _IO(F2FS_IOCTL_MAGIC, 29) 50 #define F2FS_IOC_GET_DEV_ALIAS_STATUS _IOR(F2FS_IOCTL_MAGIC, 30, __u32) 51 52 /* 53 * should be same as XFS_IOC_GOINGDOWN. 54 * Flags for going down operation used by FS_IOC_GOINGDOWN 55 */ 56 #define F2FS_IOC_SHUTDOWN _IOR('X', 125, __u32) /* Shutdown */ 57 #define F2FS_GOING_DOWN_FULLSYNC 0x0 /* going down with full sync */ 58 #define F2FS_GOING_DOWN_METASYNC 0x1 /* going down with metadata */ 59 #define F2FS_GOING_DOWN_NOSYNC 0x2 /* going down */ 60 #define F2FS_GOING_DOWN_METAFLUSH 0x3 /* going down with meta flush */ 61 #define F2FS_GOING_DOWN_NEED_FSCK 0x4 /* going down to trigger fsck */ 62 63 /* 64 * Flags used by F2FS_IOC_SEC_TRIM_FILE 65 */ 66 #define F2FS_TRIM_FILE_DISCARD 0x1 /* send discard command */ 67 #define F2FS_TRIM_FILE_ZEROOUT 0x2 /* zero out */ 68 #define F2FS_TRIM_FILE_MASK 0x3 69 70 /* for F2FS_IOC_IO_PRIO */ 71 enum { 72 F2FS_IOPRIO_WRITE = 1, /* high write priority */ 73 F2FS_IOPRIO_MAX, 74 }; 75 76 /* for F2FS_IOC_GET_DEV_ALIAS_STATUS */ 77 #define F2FS_DEV_ALIAS_STATUS_RELEASED 0 78 #define F2FS_DEV_ALIAS_STATUS_RESERVED 1 79 80 struct f2fs_gc_range { 81 __u32 sync; 82 __u64 start; 83 __u64 len; 84 }; 85 86 struct f2fs_defragment { 87 __u64 start; 88 __u64 len; 89 }; 90 91 struct f2fs_move_range { 92 __u32 dst_fd; /* destination fd */ 93 __u64 pos_in; /* start position in src_fd */ 94 __u64 pos_out; /* start position in dst_fd */ 95 __u64 len; /* size to move */ 96 }; 97 98 struct f2fs_flush_device { 99 __u32 dev_num; /* device number to flush */ 100 __u32 segments; /* # of segments to flush */ 101 }; 102 103 struct f2fs_sectrim_range { 104 __u64 start; 105 __u64 len; 106 __u64 flags; 107 }; 108 109 struct f2fs_comp_option { 110 __u8 algorithm; 111 __u8 log_cluster_size; 112 }; 113 114 #endif /* _UAPI_LINUX_F2FS_H */ 115