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 #ifdef HAVE_LINUX_FIEMAP_H 14 #include <linux/fiemap.h> 15 #endif 16 #ifdef HAVE_LINUX_FS_H 17 #include <linux/fs.h> 18 #endif 19 20 #include <sys/types.h> 21 22 #ifdef UNUSED 23 #elif defined(__GNUC__) 24 # define UNUSED(x) UNUSED_ ## x __attribute__((unused)) 25 #elif defined(__LCLINT__) 26 # define UNUSED(x) x 27 #elif defined(__cplusplus) 28 # define UNUSED(x) 29 #else 30 # define UNUSED(x) x 31 #endif 32 33 typedef u_int64_t u64; 34 typedef u_int32_t u32; 35 typedef u_int16_t u16; 36 typedef u_int8_t u8; 37 38 #ifndef HAVE_LINUX_TYPES_H 39 typedef u8 __u8; 40 typedef u16 __u16; 41 typedef u32 __u32; 42 typedef u16 __le16; 43 typedef u32 __le32; 44 typedef u16 __be16; 45 typedef u32 __be32; 46 #endif 47 48 #define F2FS_BLKSIZE 4096 49 #define NEW_ADDR 0xFFFFFFFF 50 51 #ifndef FS_IOC_GETFLAGS 52 #define FS_IOC_GETFLAGS _IOR('f', 1, long) 53 #endif 54 #ifndef FS_IOC_SETFLAGS 55 #define FS_IOC_SETFLAGS _IOW('f', 2, long) 56 #endif 57 58 #define F2FS_IOCTL_MAGIC 0xf5 59 #define F2FS_IOC_GETFLAGS FS_IOC_GETFLAGS 60 #define F2FS_IOC_SETFLAGS FS_IOC_SETFLAGS 61 62 #define F2FS_IOC_START_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 1) 63 #define F2FS_IOC_COMMIT_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 2) 64 #define F2FS_IOC_START_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 3) 65 #define F2FS_IOC_RELEASE_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 4) 66 #define F2FS_IOC_ABORT_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 5) 67 #define F2FS_IOC_GARBAGE_COLLECT _IOW(F2FS_IOCTL_MAGIC, 6, __u32) 68 #define F2FS_IOC_WRITE_CHECKPOINT _IO(F2FS_IOCTL_MAGIC, 7) 69 #define F2FS_IOC_DEFRAGMENT _IOWR(F2FS_IOCTL_MAGIC, 8, \ 70 struct f2fs_defragment) 71 #define F2FS_IOC_MOVE_RANGE _IOWR(F2FS_IOCTL_MAGIC, 9, \ 72 struct f2fs_move_range) 73 #define F2FS_IOC_FLUSH_DEVICE _IOW(F2FS_IOCTL_MAGIC, 10, \ 74 struct f2fs_flush_device) 75 #define F2FS_IOC_GARBAGE_COLLECT_RANGE _IOW(F2FS_IOCTL_MAGIC, 11, \ 76 struct f2fs_gc_range) 77 #define F2FS_IOC_GET_FEATURES _IOR(F2FS_IOCTL_MAGIC, 12, __u32) 78 #define F2FS_IOC_SET_PIN_FILE _IOW(F2FS_IOCTL_MAGIC, 13, __u32) 79 #define F2FS_IOC_GET_PIN_FILE _IOR(F2FS_IOCTL_MAGIC, 14, __u32) 80 #define F2FS_IOC_PRECACHE_EXTENTS _IO(F2FS_IOCTL_MAGIC, 15) 81 #define F2FS_IOC_RESIZE_FS _IOW(F2FS_IOCTL_MAGIC, 16, __u64) 82 #define F2FS_IOC_GET_COMPRESS_BLOCKS _IOR(F2FS_IOCTL_MAGIC, 17, __u64) 83 #define F2FS_IOC_RELEASE_COMPRESS_BLOCKS \ 84 _IOR(F2FS_IOCTL_MAGIC, 18, __u64) 85 #define F2FS_IOC_RESERVE_COMPRESS_BLOCKS \ 86 _IOR(F2FS_IOCTL_MAGIC, 19, __u64) 87 #define F2FS_IOC_GET_COMPRESS_OPTION _IOR(F2FS_IOCTL_MAGIC, 21, \ 88 struct f2fs_comp_option) 89 #define F2FS_IOC_SET_COMPRESS_OPTION _IOW(F2FS_IOCTL_MAGIC, 22, \ 90 struct f2fs_comp_option) 91 #define F2FS_IOC_DECOMPRESS_FILE _IO(F2FS_IOCTL_MAGIC, 23) 92 #define F2FS_IOC_COMPRESS_FILE _IO(F2FS_IOCTL_MAGIC, 24) 93 94 #ifndef FSCRYPT_POLICY_V1 95 #define FSCRYPT_POLICY_V1 0 96 #define FSCRYPT_KEY_DESCRIPTOR_SIZE 8 97 struct fscrypt_policy_v1 { 98 __u8 version; 99 __u8 contents_encryption_mode; 100 __u8 filenames_encryption_mode; 101 __u8 flags; 102 __u8 master_key_descriptor[FSCRYPT_KEY_DESCRIPTOR_SIZE]; 103 }; 104 #endif 105 #ifndef FS_IOC_GET_ENCRYPTION_POLICY 106 #define FS_IOC_GET_ENCRYPTION_POLICY _IOW('f', 21, struct fscrypt_policy_v1) 107 #endif 108 109 #ifndef FSCRYPT_POLICY_V2 110 #define FSCRYPT_POLICY_V2 2 111 #define FSCRYPT_KEY_IDENTIFIER_SIZE 16 112 struct fscrypt_policy_v2 { 113 __u8 version; 114 __u8 contents_encryption_mode; 115 __u8 filenames_encryption_mode; 116 __u8 flags; 117 __u8 __reserved[4]; 118 __u8 master_key_identifier[FSCRYPT_KEY_IDENTIFIER_SIZE]; 119 }; 120 /* Struct passed to FS_IOC_GET_ENCRYPTION_POLICY_EX */ 121 struct fscrypt_get_policy_ex_arg { 122 __u64 policy_size; /* input/output */ 123 union { 124 __u8 version; 125 struct fscrypt_policy_v1 v1; 126 struct fscrypt_policy_v2 v2; 127 } policy; /* output */ 128 }; 129 #endif 130 #ifndef FS_IOC_GET_ENCRYPTION_POLICY_EX 131 #define FS_IOC_GET_ENCRYPTION_POLICY_EX _IOWR('f', 22, __u8[9]) /* size + version */ 132 #endif 133 134 #define F2FS_IOC_SET_ENCRYPTION_POLICY FS_IOC_SET_ENCRYPTION_POLICY 135 #define F2FS_IOC_GET_ENCRYPTION_POLICY FS_IOC_GET_ENCRYPTION_POLICY 136 #define F2FS_IOC_GET_ENCRYPTION_PWSALT FS_IOC_GET_ENCRYPTION_PWSALT 137 138 #define FS_IOC_ENABLE_VERITY _IO('f', 133) 139 140 /* 141 * Inode flags 142 */ 143 #define F2FS_NOCOW_FL 0x00800000 /* Do not cow file */ 144 145 /* 146 * should be same as XFS_IOC_GOINGDOWN. 147 * Flags for going down operation used by FS_IOC_GOINGDOWN 148 */ 149 #define F2FS_IOC_SHUTDOWN _IOR('X', 125, __u32) /* Shutdown */ 150 #define F2FS_GOING_DOWN_FULLSYNC 0x0 /* going down with full sync */ 151 #define F2FS_GOING_DOWN_METASYNC 0x1 /* going down with metadata */ 152 #define F2FS_GOING_DOWN_NOSYNC 0x2 /* going down */ 153 #define F2FS_GOING_DOWN_METAFLUSH 0x3 /* going down with meta flush */ 154 #define F2FS_GOING_DOWN_NEED_FSCK 0x4 /* going down to trigger fsck */ 155 #define F2FS_GOING_DOWN_MAX 0x5 156 157 #if defined(__KERNEL__) && defined(CONFIG_COMPAT) 158 /* 159 * ioctl commands in 32 bit emulation 160 */ 161 #define F2FS_IOC32_GETFLAGS FS_IOC32_GETFLAGS 162 #define F2FS_IOC32_SETFLAGS FS_IOC32_SETFLAGS 163 #define F2FS_IOC32_GETVERSION FS_IOC32_GETVERSION 164 #endif 165 166 #define F2FS_IOC_FSGETXATTR FS_IOC_FSGETXATTR 167 #define F2FS_IOC_FSSETXATTR FS_IOC_FSSETXATTR 168 169 #ifndef FS_ENCRYPT_FL 170 #define FS_ENCRYPT_FL 0x00000800 /* Encrypted file */ 171 #endif 172 #ifndef FS_VERITY_FL 173 #define FS_VERITY_FL 0x00100000 /* Verity protected inode */ 174 #endif 175 #ifndef FS_INLINE_DATA_FL 176 #define FS_INLINE_DATA_FL 0x10000000 /* Inline data for regular/symlink files */ 177 #endif 178 #ifndef FS_NOCOW_FL 179 #define FS_NOCOW_FL 0x00800000 /* Do not cow file */ 180 #endif 181 #ifndef FS_NOCOMP_FL 182 #define FS_NOCOMP_FL 0x00000400 /* Don't compress */ 183 #endif 184 #ifndef FS_COMPR_FL 185 #define FS_COMPR_FL 0x00000004 /* Compress file */ 186 #endif 187 #ifndef FS_CASEFOLD_FL 188 #define FS_CASEFOLD_FL 0x40000000 /* Folder is case insensitive */ 189 #endif 190 191 struct f2fs_gc_range { 192 u32 sync; 193 u64 start; 194 u64 len; 195 }; 196 197 struct f2fs_defragment { 198 u64 start; 199 u64 len; 200 }; 201 202 struct f2fs_move_range { 203 u32 dst_fd; /* destination fd */ 204 u64 pos_in; /* start position in src_fd */ 205 u64 pos_out; /* start position in dst_fd */ 206 u64 len; /* size to move */ 207 }; 208 209 struct f2fs_flush_device { 210 u32 dev_num; /* device number to flush */ 211 u32 segments; /* # of segments to flush */ 212 }; 213 214 struct f2fs_comp_option { 215 u8 algorithm; 216 u8 log_cluster_size; 217 }; 218