1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2*4882a593Smuzhiyun 3*4882a593Smuzhiyun #ifndef _UAPI_LINUX_F2FS_H 4*4882a593Smuzhiyun #define _UAPI_LINUX_F2FS_H 5*4882a593Smuzhiyun #include <linux/types.h> 6*4882a593Smuzhiyun #include <linux/ioctl.h> 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun /* 9*4882a593Smuzhiyun * f2fs-specific ioctl commands 10*4882a593Smuzhiyun */ 11*4882a593Smuzhiyun #define F2FS_IOCTL_MAGIC 0xf5 12*4882a593Smuzhiyun #define F2FS_IOC_START_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 1) 13*4882a593Smuzhiyun #define F2FS_IOC_COMMIT_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 2) 14*4882a593Smuzhiyun #define F2FS_IOC_START_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 3) 15*4882a593Smuzhiyun #define F2FS_IOC_RELEASE_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 4) 16*4882a593Smuzhiyun #define F2FS_IOC_ABORT_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 5) 17*4882a593Smuzhiyun #define F2FS_IOC_GARBAGE_COLLECT _IOW(F2FS_IOCTL_MAGIC, 6, __u32) 18*4882a593Smuzhiyun #define F2FS_IOC_WRITE_CHECKPOINT _IO(F2FS_IOCTL_MAGIC, 7) 19*4882a593Smuzhiyun #define F2FS_IOC_DEFRAGMENT _IOWR(F2FS_IOCTL_MAGIC, 8, \ 20*4882a593Smuzhiyun struct f2fs_defragment) 21*4882a593Smuzhiyun #define F2FS_IOC_MOVE_RANGE _IOWR(F2FS_IOCTL_MAGIC, 9, \ 22*4882a593Smuzhiyun struct f2fs_move_range) 23*4882a593Smuzhiyun #define F2FS_IOC_FLUSH_DEVICE _IOW(F2FS_IOCTL_MAGIC, 10, \ 24*4882a593Smuzhiyun struct f2fs_flush_device) 25*4882a593Smuzhiyun #define F2FS_IOC_GARBAGE_COLLECT_RANGE _IOW(F2FS_IOCTL_MAGIC, 11, \ 26*4882a593Smuzhiyun struct f2fs_gc_range) 27*4882a593Smuzhiyun #define F2FS_IOC_GET_FEATURES _IOR(F2FS_IOCTL_MAGIC, 12, __u32) 28*4882a593Smuzhiyun #define F2FS_IOC_SET_PIN_FILE _IOW(F2FS_IOCTL_MAGIC, 13, __u32) 29*4882a593Smuzhiyun #define F2FS_IOC_GET_PIN_FILE _IOR(F2FS_IOCTL_MAGIC, 14, __u32) 30*4882a593Smuzhiyun #define F2FS_IOC_PRECACHE_EXTENTS _IO(F2FS_IOCTL_MAGIC, 15) 31*4882a593Smuzhiyun #define F2FS_IOC_RESIZE_FS _IOW(F2FS_IOCTL_MAGIC, 16, __u64) 32*4882a593Smuzhiyun #define F2FS_IOC_GET_COMPRESS_BLOCKS _IOR(F2FS_IOCTL_MAGIC, 17, __u64) 33*4882a593Smuzhiyun #define F2FS_IOC_RELEASE_COMPRESS_BLOCKS \ 34*4882a593Smuzhiyun _IOR(F2FS_IOCTL_MAGIC, 18, __u64) 35*4882a593Smuzhiyun #define F2FS_IOC_RESERVE_COMPRESS_BLOCKS \ 36*4882a593Smuzhiyun _IOR(F2FS_IOCTL_MAGIC, 19, __u64) 37*4882a593Smuzhiyun #define F2FS_IOC_SEC_TRIM_FILE _IOW(F2FS_IOCTL_MAGIC, 20, \ 38*4882a593Smuzhiyun struct f2fs_sectrim_range) 39*4882a593Smuzhiyun #define F2FS_IOC_GET_COMPRESS_OPTION _IOR(F2FS_IOCTL_MAGIC, 21, \ 40*4882a593Smuzhiyun struct f2fs_comp_option) 41*4882a593Smuzhiyun #define F2FS_IOC_SET_COMPRESS_OPTION _IOW(F2FS_IOCTL_MAGIC, 22, \ 42*4882a593Smuzhiyun struct f2fs_comp_option) 43*4882a593Smuzhiyun #define F2FS_IOC_DECOMPRESS_FILE _IO(F2FS_IOCTL_MAGIC, 23) 44*4882a593Smuzhiyun #define F2FS_IOC_COMPRESS_FILE _IO(F2FS_IOCTL_MAGIC, 24) 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun /* 47*4882a593Smuzhiyun * should be same as XFS_IOC_GOINGDOWN. 48*4882a593Smuzhiyun * Flags for going down operation used by FS_IOC_GOINGDOWN 49*4882a593Smuzhiyun */ 50*4882a593Smuzhiyun #define F2FS_IOC_SHUTDOWN _IOR('X', 125, __u32) /* Shutdown */ 51*4882a593Smuzhiyun #define F2FS_GOING_DOWN_FULLSYNC 0x0 /* going down with full sync */ 52*4882a593Smuzhiyun #define F2FS_GOING_DOWN_METASYNC 0x1 /* going down with metadata */ 53*4882a593Smuzhiyun #define F2FS_GOING_DOWN_NOSYNC 0x2 /* going down */ 54*4882a593Smuzhiyun #define F2FS_GOING_DOWN_METAFLUSH 0x3 /* going down with meta flush */ 55*4882a593Smuzhiyun #define F2FS_GOING_DOWN_NEED_FSCK 0x4 /* going down to trigger fsck */ 56*4882a593Smuzhiyun 57*4882a593Smuzhiyun /* 58*4882a593Smuzhiyun * Flags used by F2FS_IOC_SEC_TRIM_FILE 59*4882a593Smuzhiyun */ 60*4882a593Smuzhiyun #define F2FS_TRIM_FILE_DISCARD 0x1 /* send discard command */ 61*4882a593Smuzhiyun #define F2FS_TRIM_FILE_ZEROOUT 0x2 /* zero out */ 62*4882a593Smuzhiyun #define F2FS_TRIM_FILE_MASK 0x3 63*4882a593Smuzhiyun 64*4882a593Smuzhiyun struct f2fs_gc_range { 65*4882a593Smuzhiyun __u32 sync; 66*4882a593Smuzhiyun __u64 start; 67*4882a593Smuzhiyun __u64 len; 68*4882a593Smuzhiyun }; 69*4882a593Smuzhiyun 70*4882a593Smuzhiyun struct f2fs_defragment { 71*4882a593Smuzhiyun __u64 start; 72*4882a593Smuzhiyun __u64 len; 73*4882a593Smuzhiyun }; 74*4882a593Smuzhiyun 75*4882a593Smuzhiyun struct f2fs_move_range { 76*4882a593Smuzhiyun __u32 dst_fd; /* destination fd */ 77*4882a593Smuzhiyun __u64 pos_in; /* start position in src_fd */ 78*4882a593Smuzhiyun __u64 pos_out; /* start position in dst_fd */ 79*4882a593Smuzhiyun __u64 len; /* size to move */ 80*4882a593Smuzhiyun }; 81*4882a593Smuzhiyun 82*4882a593Smuzhiyun struct f2fs_flush_device { 83*4882a593Smuzhiyun __u32 dev_num; /* device number to flush */ 84*4882a593Smuzhiyun __u32 segments; /* # of segments to flush */ 85*4882a593Smuzhiyun }; 86*4882a593Smuzhiyun 87*4882a593Smuzhiyun struct f2fs_sectrim_range { 88*4882a593Smuzhiyun __u64 start; 89*4882a593Smuzhiyun __u64 len; 90*4882a593Smuzhiyun __u64 flags; 91*4882a593Smuzhiyun }; 92*4882a593Smuzhiyun 93*4882a593Smuzhiyun struct f2fs_comp_option { 94*4882a593Smuzhiyun __u8 algorithm; 95*4882a593Smuzhiyun __u8 log_cluster_size; 96*4882a593Smuzhiyun }; 97*4882a593Smuzhiyun 98*4882a593Smuzhiyun #endif /* _UAPI_LINUX_F2FS_H */ 99