1 /* 2 * ioctl.h - f2fs ioctl header 3 * 4 * Authors: Jaegeuk Kim <jaegeuk@kernel.org> 5 */ 6 7 #include <sys/types.h> 8 #include <sys/ioctl.h> 9 10 #ifdef HAVE_LINUX_TYPES_H 11 #include <linux/types.h> 12 #endif 13 #include <sys/types.h> 14 15 #ifdef UNUSED 16 #elif defined(__GNUC__) 17 # define UNUSED(x) UNUSED_ ## x __attribute__((unused)) 18 #elif defined(__LCLINT__) 19 # define UNUSED(x) x 20 #elif defined(__cplusplus) 21 # define UNUSED(x) 22 #else 23 # define UNUSED(x) x 24 #endif 25 26 typedef u_int64_t u64; 27 typedef u_int32_t u32; 28 typedef u_int16_t u16; 29 typedef u_int8_t u8; 30 31 #ifndef HAVE_LINUX_TYPES_H 32 typedef u8 __u8; 33 typedef u16 __u16; 34 typedef u32 __u32; 35 typedef u16 __le16; 36 typedef u32 __le32; 37 typedef u16 __be16; 38 typedef u32 __be32; 39 #endif 40 41 #ifndef FS_IOC_GETFLAGS 42 #define FS_IOC_GETFLAGS _IOR('f', 1, long) 43 #endif 44 45 #define F2FS_IOCTL_MAGIC 0xf5 46 #define F2FS_IOC_GETFLAGS FS_IOC_GETFLAGS 47 48 #define F2FS_IOC_START_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 1) 49 #define F2FS_IOC_COMMIT_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 2) 50 #define F2FS_IOC_START_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 3) 51 #define F2FS_IOC_RELEASE_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 4) 52 #define F2FS_IOC_ABORT_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 5) 53 #define F2FS_IOC_GARBAGE_COLLECT _IOW(F2FS_IOCTL_MAGIC, 6, __u32) 54 #define F2FS_IOC_WRITE_CHECKPOINT _IO(F2FS_IOCTL_MAGIC, 7) 55 #define F2FS_IOC_DEFRAGMENT _IOWR(F2FS_IOCTL_MAGIC, 8, \ 56 struct f2fs_defragment) 57 #define F2FS_IOC_MOVE_RANGE _IOWR(F2FS_IOCTL_MAGIC, 9, \ 58 struct f2fs_move_range) 59 #define F2FS_IOC_FLUSH_DEVICE _IOW(F2FS_IOCTL_MAGIC, 10, \ 60 struct f2fs_flush_device) 61 #define F2FS_IOC_GARBAGE_COLLECT_RANGE _IOW(F2FS_IOCTL_MAGIC, 11, \ 62 struct f2fs_gc_range) 63 #define F2FS_IOC_GET_FEATURES _IOR(F2FS_IOCTL_MAGIC, 12, __u32) 64 #define F2FS_IOC_SET_PIN_FILE _IOW(F2FS_IOCTL_MAGIC, 13, __u32) 65 #define F2FS_IOC_GET_PIN_FILE _IOR(F2FS_IOCTL_MAGIC, 14, __u32) 66 #define F2FS_IOC_PRECACHE_EXTENTS _IO(F2FS_IOCTL_MAGIC, 15) 67 68 #define F2FS_IOC_SET_ENCRYPTION_POLICY FS_IOC_SET_ENCRYPTION_POLICY 69 #define F2FS_IOC_GET_ENCRYPTION_POLICY FS_IOC_GET_ENCRYPTION_POLICY 70 #define F2FS_IOC_GET_ENCRYPTION_PWSALT FS_IOC_GET_ENCRYPTION_PWSALT 71 72 /* 73 * Inode flags 74 */ 75 #define F2FS_NOCOW_FL 0x00800000 /* Do not cow file */ 76 77 /* 78 * should be same as XFS_IOC_GOINGDOWN. 79 * Flags for going down operation used by FS_IOC_GOINGDOWN 80 */ 81 #define F2FS_IOC_SHUTDOWN _IOR('X', 125, __u32) /* Shutdown */ 82 #define F2FS_GOING_DOWN_FULLSYNC 0x0 /* going down with full sync */ 83 #define F2FS_GOING_DOWN_METASYNC 0x1 /* going down with metadata */ 84 #define F2FS_GOING_DOWN_NOSYNC 0x2 /* going down */ 85 #define F2FS_GOING_DOWN_METAFLUSH 0x3 /* going down with meta flush */ 86 #define F2FS_GOING_DOWN_NEED_FSCK 0x4 /* going down to trigger fsck */ 87 #define F2FS_GOING_DOWN_MAX 0x5 88 89 #if defined(__KERNEL__) && defined(CONFIG_COMPAT) 90 /* 91 * ioctl commands in 32 bit emulation 92 */ 93 #define F2FS_IOC32_GETFLAGS FS_IOC32_GETFLAGS 94 #define F2FS_IOC32_SETFLAGS FS_IOC32_SETFLAGS 95 #define F2FS_IOC32_GETVERSION FS_IOC32_GETVERSION 96 #endif 97 98 #define F2FS_IOC_FSGETXATTR FS_IOC_FSGETXATTR 99 #define F2FS_IOC_FSSETXATTR FS_IOC_FSSETXATTR 100 101 struct f2fs_gc_range { 102 u32 sync; 103 u64 start; 104 u64 len; 105 }; 106 107 struct f2fs_defragment { 108 u64 start; 109 u64 len; 110 }; 111 112 struct f2fs_move_range { 113 u32 dst_fd; /* destination fd */ 114 u64 pos_in; /* start position in src_fd */ 115 u64 pos_out; /* start position in dst_fd */ 116 u64 len; /* size to move */ 117 }; 118 119 struct f2fs_flush_device { 120 u32 dev_num; /* device number to flush */ 121 u32 segments; /* # of segments to flush */ 122 }; 123