| /* SPDX-License-Identifier: LGPL-2.1 */ |
| /* |
| * Copyright (c) 1995-2005 Silicon Graphics, Inc. |
| * All Rights Reserved. |
| */ |
| #ifndef __XFS_FS_H__ |
| #define __XFS_FS_H__ |
| |
| /* |
| * SGI's XFS filesystem's major stuff (constants, structures) |
| */ |
| |
| /* |
| * Direct I/O attribute record used with XFS_IOC_DIOINFO |
| * d_miniosz is the min xfer size, xfer size multiple and file seek offset |
| * alignment. |
| */ |
| #ifndef HAVE_DIOATTR |
| struct dioattr { |
| __u32 d_mem; /* data buffer memory alignment */ |
| __u32 d_miniosz; /* min xfer size */ |
| __u32 d_maxiosz; /* max xfer size */ |
| }; |
| #endif |
| |
| /* |
| * Structure for XFS_IOC_GETBMAP. |
| * On input, fill in bmv_offset and bmv_length of the first structure |
| * to indicate the area of interest in the file, and bmv_entries with |
| * the number of array elements given back. The first structure is |
| * updated on return to give the offset and length for the next call. |
| */ |
| #ifndef HAVE_GETBMAP |
| struct getbmap { |
| __s64 bmv_offset; /* file offset of segment in blocks */ |
| __s64 bmv_block; /* starting block (64-bit daddr_t) */ |
| __s64 bmv_length; /* length of segment, blocks */ |
| __s32 bmv_count; /* # of entries in array incl. 1st */ |
| __s32 bmv_entries; /* # of entries filled in (output) */ |
| }; |
| #endif |
| |
| /* |
| * Structure for XFS_IOC_GETBMAPX. Fields bmv_offset through bmv_entries |
| * are used exactly as in the getbmap structure. The getbmapx structure |
| * has additional bmv_iflags and bmv_oflags fields. The bmv_iflags field |
| * is only used for the first structure. It contains input flags |
| * specifying XFS_IOC_GETBMAPX actions. The bmv_oflags field is filled |
| * in by the XFS_IOC_GETBMAPX command for each returned structure after |
| * the first. |
| */ |
| #ifndef HAVE_GETBMAPX |
| struct getbmapx { |
| __s64 bmv_offset; /* file offset of segment in blocks */ |
| __s64 bmv_block; /* starting block (64-bit daddr_t) */ |
| __s64 bmv_length; /* length of segment, blocks */ |
| __s32 bmv_count; /* # of entries in array incl. 1st */ |
| __s32 bmv_entries; /* # of entries filled in (output). */ |
| __s32 bmv_iflags; /* input flags (1st structure) */ |
| __s32 bmv_oflags; /* output flags (after 1st structure)*/ |
| __s32 bmv_unused1; /* future use */ |
| __s32 bmv_unused2; /* future use */ |
| }; |
| #endif |
| |
| /* bmv_iflags values - set by XFS_IOC_GETBMAPX caller. */ |
| #define BMV_IF_ATTRFORK 0x1 /* return attr fork rather than data */ |
| #define BMV_IF_NO_DMAPI_READ 0x2 /* Do not generate DMAPI read event */ |
| #define BMV_IF_PREALLOC 0x4 /* rtn status BMV_OF_PREALLOC if req */ |
| #define BMV_IF_DELALLOC 0x8 /* rtn status BMV_OF_DELALLOC if req */ |
| #define BMV_IF_NO_HOLES 0x10 /* Do not return holes */ |
| #define BMV_IF_COWFORK 0x20 /* return CoW fork rather than data */ |
| #define BMV_IF_VALID \ |
| (BMV_IF_ATTRFORK|BMV_IF_NO_DMAPI_READ|BMV_IF_PREALLOC| \ |
| BMV_IF_DELALLOC|BMV_IF_NO_HOLES|BMV_IF_COWFORK) |
| |
| /* bmv_oflags values - returned for each non-header segment */ |
| #define BMV_OF_PREALLOC 0x1 /* segment = unwritten pre-allocation */ |
| #define BMV_OF_DELALLOC 0x2 /* segment = delayed allocation */ |
| #define BMV_OF_LAST 0x4 /* segment is the last in the file */ |
| #define BMV_OF_SHARED 0x8 /* segment shared with another file */ |
| |
| /* fmr_owner special values for FS_IOC_GETFSMAP */ |
| #define XFS_FMR_OWN_FREE FMR_OWN_FREE /* free space */ |
| #define XFS_FMR_OWN_UNKNOWN FMR_OWN_UNKNOWN /* unknown owner */ |
| #define XFS_FMR_OWN_FS FMR_OWNER('X', 1) /* static fs metadata */ |
| #define XFS_FMR_OWN_LOG FMR_OWNER('X', 2) /* journalling log */ |
| #define XFS_FMR_OWN_AG FMR_OWNER('X', 3) /* per-AG metadata */ |
| #define XFS_FMR_OWN_INOBT FMR_OWNER('X', 4) /* inode btree blocks */ |
| #define XFS_FMR_OWN_INODES FMR_OWNER('X', 5) /* inodes */ |
| #define XFS_FMR_OWN_REFC FMR_OWNER('X', 6) /* refcount tree */ |
| #define XFS_FMR_OWN_COW FMR_OWNER('X', 7) /* cow staging */ |
| #define XFS_FMR_OWN_DEFECTIVE FMR_OWNER('X', 8) /* bad blocks */ |
| |
| /* |
| * Structure for XFS_IOC_FSSETDM. |
| * For use by backup and restore programs to set the XFS on-disk inode |
| * fields di_dmevmask and di_dmstate. These must be set to exactly and |
| * only values previously obtained via xfs_bulkstat! (Specifically the |
| * struct xfs_bstat fields bs_dmevmask and bs_dmstate.) |
| */ |
| #ifndef HAVE_FSDMIDATA |
| struct fsdmidata { |
| __u32 fsd_dmevmask; /* corresponds to di_dmevmask */ |
| __u16 fsd_padding; |
| __u16 fsd_dmstate; /* corresponds to di_dmstate */ |
| }; |
| #endif |
| |
| /* |
| * File segment locking set data type for 64 bit access. |
| * Also used for all the RESV/FREE interfaces. |
| */ |
| typedef struct xfs_flock64 { |
| __s16 l_type; |
| __s16 l_whence; |
| __s64 l_start; |
| __s64 l_len; /* len == 0 means until end of file */ |
| __s32 l_sysid; |
| __u32 l_pid; |
| __s32 l_pad[4]; /* reserve area */ |
| } xfs_flock64_t; |
| |
| /* |
| * Output for XFS_IOC_FSGEOMETRY_V1 |
| */ |
| struct xfs_fsop_geom_v1 { |
| __u32 blocksize; /* filesystem (data) block size */ |
| __u32 rtextsize; /* realtime extent size */ |
| __u32 agblocks; /* fsblocks in an AG */ |
| __u32 agcount; /* number of allocation groups */ |
| __u32 logblocks; /* fsblocks in the log */ |
| __u32 sectsize; /* (data) sector size, bytes */ |
| __u32 inodesize; /* inode size in bytes */ |
| __u32 imaxpct; /* max allowed inode space(%) */ |
| __u64 datablocks; /* fsblocks in data subvolume */ |
| __u64 rtblocks; /* fsblocks in realtime subvol */ |
| __u64 rtextents; /* rt extents in realtime subvol*/ |
| __u64 logstart; /* starting fsblock of the log */ |
| unsigned char uuid[16]; /* unique id of the filesystem */ |
| __u32 sunit; /* stripe unit, fsblocks */ |
| __u32 swidth; /* stripe width, fsblocks */ |
| __s32 version; /* structure version */ |
| __u32 flags; /* superblock version flags */ |
| __u32 logsectsize; /* log sector size, bytes */ |
| __u32 rtsectsize; /* realtime sector size, bytes */ |
| __u32 dirblocksize; /* directory block size, bytes */ |
| }; |
| |
| /* |
| * Output for XFS_IOC_FSGEOMETRY_V4 |
| */ |
| struct xfs_fsop_geom_v4 { |
| __u32 blocksize; /* filesystem (data) block size */ |
| __u32 rtextsize; /* realtime extent size */ |
| __u32 agblocks; /* fsblocks in an AG */ |
| __u32 agcount; /* number of allocation groups */ |
| __u32 logblocks; /* fsblocks in the log */ |
| __u32 sectsize; /* (data) sector size, bytes */ |
| __u32 inodesize; /* inode size in bytes */ |
| __u32 imaxpct; /* max allowed inode space(%) */ |
| __u64 datablocks; /* fsblocks in data subvolume */ |
| __u64 rtblocks; /* fsblocks in realtime subvol */ |
| __u64 rtextents; /* rt extents in realtime subvol*/ |
| __u64 logstart; /* starting fsblock of the log */ |
| unsigned char uuid[16]; /* unique id of the filesystem */ |
| __u32 sunit; /* stripe unit, fsblocks */ |
| __u32 swidth; /* stripe width, fsblocks */ |
| __s32 version; /* structure version */ |
| __u32 flags; /* superblock version flags */ |
| __u32 logsectsize; /* log sector size, bytes */ |
| __u32 rtsectsize; /* realtime sector size, bytes */ |
| __u32 dirblocksize; /* directory block size, bytes */ |
| __u32 logsunit; /* log stripe unit, bytes */ |
| }; |
| |
| /* |
| * Output for XFS_IOC_FSGEOMETRY |
| */ |
| struct xfs_fsop_geom { |
| __u32 blocksize; /* filesystem (data) block size */ |
| __u32 rtextsize; /* realtime extent size */ |
| __u32 agblocks; /* fsblocks in an AG */ |
| __u32 agcount; /* number of allocation groups */ |
| __u32 logblocks; /* fsblocks in the log */ |
| __u32 sectsize; /* (data) sector size, bytes */ |
| __u32 inodesize; /* inode size in bytes */ |
| __u32 imaxpct; /* max allowed inode space(%) */ |
| __u64 datablocks; /* fsblocks in data subvolume */ |
| __u64 rtblocks; /* fsblocks in realtime subvol */ |
| __u64 rtextents; /* rt extents in realtime subvol*/ |
| __u64 logstart; /* starting fsblock of the log */ |
| unsigned char uuid[16]; /* unique id of the filesystem */ |
| __u32 sunit; /* stripe unit, fsblocks */ |
| __u32 swidth; /* stripe width, fsblocks */ |
| __s32 version; /* structure version */ |
| __u32 flags; /* superblock version flags */ |
| __u32 logsectsize; /* log sector size, bytes */ |
| __u32 rtsectsize; /* realtime sector size, bytes */ |
| __u32 dirblocksize; /* directory block size, bytes */ |
| __u32 logsunit; /* log stripe unit, bytes */ |
| uint32_t sick; /* o: unhealthy fs & rt metadata */ |
| uint32_t checked; /* o: checked fs & rt metadata */ |
| __u64 reserved[17]; /* reserved space */ |
| }; |
| |
| #define XFS_FSOP_GEOM_SICK_COUNTERS (1 << 0) /* summary counters */ |
| #define XFS_FSOP_GEOM_SICK_UQUOTA (1 << 1) /* user quota */ |
| #define XFS_FSOP_GEOM_SICK_GQUOTA (1 << 2) /* group quota */ |
| #define XFS_FSOP_GEOM_SICK_PQUOTA (1 << 3) /* project quota */ |
| #define XFS_FSOP_GEOM_SICK_RT_BITMAP (1 << 4) /* realtime bitmap */ |
| #define XFS_FSOP_GEOM_SICK_RT_SUMMARY (1 << 5) /* realtime summary */ |
| |
| /* Output for XFS_FS_COUNTS */ |
| typedef struct xfs_fsop_counts { |
| __u64 freedata; /* free data section blocks */ |
| __u64 freertx; /* free rt extents */ |
| __u64 freeino; /* free inodes */ |
| __u64 allocino; /* total allocated inodes */ |
| } xfs_fsop_counts_t; |
| |
| /* Input/Output for XFS_GET_RESBLKS and XFS_SET_RESBLKS */ |
| typedef struct xfs_fsop_resblks { |
| __u64 resblks; |
| __u64 resblks_avail; |
| } xfs_fsop_resblks_t; |
| |
| #define XFS_FSOP_GEOM_VERSION 0 |
| #define XFS_FSOP_GEOM_VERSION_V5 5 |
| |
| #define XFS_FSOP_GEOM_FLAGS_ATTR (1 << 0) /* attributes in use */ |
| #define XFS_FSOP_GEOM_FLAGS_NLINK (1 << 1) /* 32-bit nlink values */ |
| #define XFS_FSOP_GEOM_FLAGS_QUOTA (1 << 2) /* quotas enabled */ |
| #define XFS_FSOP_GEOM_FLAGS_IALIGN (1 << 3) /* inode alignment */ |
| #define XFS_FSOP_GEOM_FLAGS_DALIGN (1 << 4) /* large data alignment */ |
| #define XFS_FSOP_GEOM_FLAGS_SHARED (1 << 5) /* read-only shared */ |
| #define XFS_FSOP_GEOM_FLAGS_EXTFLG (1 << 6) /* special extent flag */ |
| #define XFS_FSOP_GEOM_FLAGS_DIRV2 (1 << 7) /* directory version 2 */ |
| #define XFS_FSOP_GEOM_FLAGS_LOGV2 (1 << 8) /* log format version 2 */ |
| #define XFS_FSOP_GEOM_FLAGS_SECTOR (1 << 9) /* sector sizes >1BB */ |
| #define XFS_FSOP_GEOM_FLAGS_ATTR2 (1 << 10) /* inline attributes rework */ |
| #define XFS_FSOP_GEOM_FLAGS_PROJID32 (1 << 11) /* 32-bit project IDs */ |
| #define XFS_FSOP_GEOM_FLAGS_DIRV2CI (1 << 12) /* ASCII only CI names */ |
| /* -- Do not use -- (1 << 13) SGI parent pointers */ |
| #define XFS_FSOP_GEOM_FLAGS_LAZYSB (1 << 14) /* lazy superblock counters */ |
| #define XFS_FSOP_GEOM_FLAGS_V5SB (1 << 15) /* version 5 superblock */ |
| #define XFS_FSOP_GEOM_FLAGS_FTYPE (1 << 16) /* inode directory types */ |
| #define XFS_FSOP_GEOM_FLAGS_FINOBT (1 << 17) /* free inode btree */ |
| #define XFS_FSOP_GEOM_FLAGS_SPINODES (1 << 18) /* sparse inode chunks */ |
| #define XFS_FSOP_GEOM_FLAGS_RMAPBT (1 << 19) /* reverse mapping btree */ |
| #define XFS_FSOP_GEOM_FLAGS_REFLINK (1 << 20) /* files can share blocks */ |
| |
| /* |
| * Minimum and maximum sizes need for growth checks. |
| * |
| * Block counts are in units of filesystem blocks, not basic blocks. |
| */ |
| #define XFS_MIN_AG_BLOCKS 64 |
| #define XFS_MIN_LOG_BLOCKS 512ULL |
| #define XFS_MAX_LOG_BLOCKS (1024 * 1024ULL) |
| #define XFS_MIN_LOG_BYTES (10 * 1024 * 1024ULL) |
| |
| /* |
| * Limits on sb_agblocks/sb_agblklog -- mkfs won't format AGs smaller than |
| * 16MB or larger than 1TB. |
| */ |
| #define XFS_MIN_AG_BYTES (1ULL << 24) /* 16 MB */ |
| #define XFS_MAX_AG_BYTES (1ULL << 40) /* 1 TB */ |
| |
| /* keep the maximum size under 2^31 by a small amount */ |
| #define XFS_MAX_LOG_BYTES \ |
| ((2 * 1024 * 1024 * 1024ULL) - XFS_MIN_LOG_BYTES) |
| |
| /* Used for sanity checks on superblock */ |
| #define XFS_MAX_DBLOCKS(s) ((xfs_rfsblock_t)(s)->sb_agcount * (s)->sb_agblocks) |
| #define XFS_MIN_DBLOCKS(s) ((xfs_rfsblock_t)((s)->sb_agcount - 1) * \ |
| (s)->sb_agblocks + XFS_MIN_AG_BLOCKS) |
| |
| /* |
| * Output for XFS_IOC_AG_GEOMETRY |
| */ |
| struct xfs_ag_geometry { |
| uint32_t ag_number; /* i/o: AG number */ |
| uint32_t ag_length; /* o: length in blocks */ |
| uint32_t ag_freeblks; /* o: free space */ |
| uint32_t ag_icount; /* o: inodes allocated */ |
| uint32_t ag_ifree; /* o: inodes free */ |
| uint32_t ag_sick; /* o: sick things in ag */ |
| uint32_t ag_checked; /* o: checked metadata in ag */ |
| uint32_t ag_flags; /* i/o: flags for this ag */ |
| uint64_t ag_reserved[12];/* o: zero */ |
| }; |
| #define XFS_AG_GEOM_SICK_SB (1 << 0) /* superblock */ |
| #define XFS_AG_GEOM_SICK_AGF (1 << 1) /* AGF header */ |
| #define XFS_AG_GEOM_SICK_AGFL (1 << 2) /* AGFL header */ |
| #define XFS_AG_GEOM_SICK_AGI (1 << 3) /* AGI header */ |
| #define XFS_AG_GEOM_SICK_BNOBT (1 << 4) /* free space by block */ |
| #define XFS_AG_GEOM_SICK_CNTBT (1 << 5) /* free space by length */ |
| #define XFS_AG_GEOM_SICK_INOBT (1 << 6) /* inode index */ |
| #define XFS_AG_GEOM_SICK_FINOBT (1 << 7) /* free inode index */ |
| #define XFS_AG_GEOM_SICK_RMAPBT (1 << 8) /* reverse mappings */ |
| #define XFS_AG_GEOM_SICK_REFCNTBT (1 << 9) /* reference counts */ |
| |
| /* |
| * Structures for XFS_IOC_FSGROWFSDATA, XFS_IOC_FSGROWFSLOG & XFS_IOC_FSGROWFSRT |
| */ |
| typedef struct xfs_growfs_data { |
| __u64 newblocks; /* new data subvol size, fsblocks */ |
| __u32 imaxpct; /* new inode space percentage limit */ |
| } xfs_growfs_data_t; |
| |
| typedef struct xfs_growfs_log { |
| __u32 newblocks; /* new log size, fsblocks */ |
| __u32 isint; /* 1 if new log is internal */ |
| } xfs_growfs_log_t; |
| |
| typedef struct xfs_growfs_rt { |
| __u64 newblocks; /* new realtime size, fsblocks */ |
| __u32 extsize; /* new realtime extent size, fsblocks */ |
| } xfs_growfs_rt_t; |
| |
| |
| /* |
| * Structures returned from ioctl XFS_IOC_FSBULKSTAT & XFS_IOC_FSBULKSTAT_SINGLE |
| */ |
| typedef struct xfs_bstime { |
| __kernel_long_t tv_sec; /* seconds */ |
| __s32 tv_nsec; /* and nanoseconds */ |
| } xfs_bstime_t; |
| |
| struct xfs_bstat { |
| __u64 bs_ino; /* inode number */ |
| __u16 bs_mode; /* type and mode */ |
| __u16 bs_nlink; /* number of links */ |
| __u32 bs_uid; /* user id */ |
| __u32 bs_gid; /* group id */ |
| __u32 bs_rdev; /* device value */ |
| __s32 bs_blksize; /* block size */ |
| __s64 bs_size; /* file size */ |
| xfs_bstime_t bs_atime; /* access time */ |
| xfs_bstime_t bs_mtime; /* modify time */ |
| xfs_bstime_t bs_ctime; /* inode change time */ |
| int64_t bs_blocks; /* number of blocks */ |
| __u32 bs_xflags; /* extended flags */ |
| __s32 bs_extsize; /* extent size */ |
| __s32 bs_extents; /* number of extents */ |
| __u32 bs_gen; /* generation count */ |
| __u16 bs_projid_lo; /* lower part of project id */ |
| #define bs_projid bs_projid_lo /* (previously just bs_projid) */ |
| __u16 bs_forkoff; /* inode fork offset in bytes */ |
| __u16 bs_projid_hi; /* higher part of project id */ |
| uint16_t bs_sick; /* sick inode metadata */ |
| uint16_t bs_checked; /* checked inode metadata */ |
| unsigned char bs_pad[2]; /* pad space, unused */ |
| __u32 bs_cowextsize; /* cow extent size */ |
| __u32 bs_dmevmask; /* DMIG event mask */ |
| __u16 bs_dmstate; /* DMIG state info */ |
| __u16 bs_aextents; /* attribute number of extents */ |
| }; |
| |
| /* New bulkstat structure that reports v5 features and fixes padding issues */ |
| struct xfs_bulkstat { |
| uint64_t bs_ino; /* inode number */ |
| uint64_t bs_size; /* file size */ |
| |
| uint64_t bs_blocks; /* number of blocks */ |
| uint64_t bs_xflags; /* extended flags */ |
| |
| int64_t bs_atime; /* access time, seconds */ |
| int64_t bs_mtime; /* modify time, seconds */ |
| |
| int64_t bs_ctime; /* inode change time, seconds */ |
| int64_t bs_btime; /* creation time, seconds */ |
| |
| uint32_t bs_gen; /* generation count */ |
| uint32_t bs_uid; /* user id */ |
| uint32_t bs_gid; /* group id */ |
| uint32_t bs_projectid; /* project id */ |
| |
| uint32_t bs_atime_nsec; /* access time, nanoseconds */ |
| uint32_t bs_mtime_nsec; /* modify time, nanoseconds */ |
| uint32_t bs_ctime_nsec; /* inode change time, nanoseconds */ |
| uint32_t bs_btime_nsec; /* creation time, nanoseconds */ |
| |
| uint32_t bs_blksize; /* block size */ |
| uint32_t bs_rdev; /* device value */ |
| uint32_t bs_cowextsize_blks; /* cow extent size hint, blocks */ |
| uint32_t bs_extsize_blks; /* extent size hint, blocks */ |
| |
| uint32_t bs_nlink; /* number of links */ |
| uint32_t bs_extents; /* number of extents */ |
| uint32_t bs_aextents; /* attribute number of extents */ |
| uint16_t bs_version; /* structure version */ |
| uint16_t bs_forkoff; /* inode fork offset in bytes */ |
| |
| uint16_t bs_sick; /* sick inode metadata */ |
| uint16_t bs_checked; /* checked inode metadata */ |
| uint16_t bs_mode; /* type and mode */ |
| uint16_t bs_pad2; /* zeroed */ |
| |
| uint64_t bs_pad[7]; /* zeroed */ |
| }; |
| |
| #define XFS_BULKSTAT_VERSION_V1 (1) |
| #define XFS_BULKSTAT_VERSION_V5 (5) |
| |
| /* bs_sick flags */ |
| #define XFS_BS_SICK_INODE (1 << 0) /* inode core */ |
| #define XFS_BS_SICK_BMBTD (1 << 1) /* data fork */ |
| #define XFS_BS_SICK_BMBTA (1 << 2) /* attr fork */ |
| #define XFS_BS_SICK_BMBTC (1 << 3) /* cow fork */ |
| #define XFS_BS_SICK_DIR (1 << 4) /* directory */ |
| #define XFS_BS_SICK_XATTR (1 << 5) /* extended attributes */ |
| #define XFS_BS_SICK_SYMLINK (1 << 6) /* symbolic link remote target */ |
| #define XFS_BS_SICK_PARENT (1 << 7) /* parent pointers */ |
| |
| /* |
| * Project quota id helpers (previously projid was 16bit only |
| * and using two 16bit values to hold new 32bit projid was chosen |
| * to retain compatibility with "old" filesystems). |
| */ |
| static inline uint32_t |
| bstat_get_projid(const struct xfs_bstat *bs) |
| { |
| return (uint32_t)bs->bs_projid_hi << 16 | bs->bs_projid_lo; |
| } |
| |
| /* |
| * The user-level BulkStat Request interface structure. |
| */ |
| struct xfs_fsop_bulkreq { |
| __u64 __user *lastip; /* last inode # pointer */ |
| __s32 icount; /* count of entries in buffer */ |
| void __user *ubuffer;/* user buffer for inode desc. */ |
| __s32 __user *ocount; /* output count pointer */ |
| }; |
| |
| /* |
| * Structures returned from xfs_inumbers routine (XFS_IOC_FSINUMBERS). |
| */ |
| struct xfs_inogrp { |
| __u64 xi_startino; /* starting inode number */ |
| __s32 xi_alloccount; /* # bits set in allocmask */ |
| __u64 xi_allocmask; /* mask of allocated inodes */ |
| }; |
| |
| /* New inumbers structure that reports v5 features and fixes padding issues */ |
| struct xfs_inumbers { |
| uint64_t xi_startino; /* starting inode number */ |
| uint64_t xi_allocmask; /* mask of allocated inodes */ |
| uint8_t xi_alloccount; /* # bits set in allocmask */ |
| uint8_t xi_version; /* version */ |
| uint8_t xi_padding[6]; /* zero */ |
| }; |
| |
| #define XFS_INUMBERS_VERSION_V1 (1) |
| #define XFS_INUMBERS_VERSION_V5 (5) |
| |
| /* Header for bulk inode requests. */ |
| struct xfs_bulk_ireq { |
| uint64_t ino; /* I/O: start with this inode */ |
| uint32_t flags; /* I/O: operation flags */ |
| uint32_t icount; /* I: count of entries in buffer */ |
| uint32_t ocount; /* O: count of entries filled out */ |
| uint32_t agno; /* I: see comment for IREQ_AGNO */ |
| uint64_t reserved[5]; /* must be zero */ |
| }; |
| |
| /* |
| * Only return results from the specified @agno. If @ino is zero, start |
| * with the first inode of @agno. |
| */ |
| #define XFS_BULK_IREQ_AGNO (1 << 0) |
| |
| /* |
| * Return bulkstat information for a single inode, where @ino value is a |
| * special value, not a literal inode number. See the XFS_BULK_IREQ_SPECIAL_* |
| * values below. Not compatible with XFS_BULK_IREQ_AGNO. |
| */ |
| #define XFS_BULK_IREQ_SPECIAL (1 << 1) |
| |
| #define XFS_BULK_IREQ_FLAGS_ALL (XFS_BULK_IREQ_AGNO | \ |
| XFS_BULK_IREQ_SPECIAL) |
| |
| /* Operate on the root directory inode. */ |
| #define XFS_BULK_IREQ_SPECIAL_ROOT (1) |
| |
| /* |
| * ioctl structures for v5 bulkstat and inumbers requests |
| */ |
| struct xfs_bulkstat_req { |
| struct xfs_bulk_ireq hdr; |
| struct xfs_bulkstat bulkstat[]; |
| }; |
| #define XFS_BULKSTAT_REQ_SIZE(nr) (sizeof(struct xfs_bulkstat_req) + \ |
| (nr) * sizeof(struct xfs_bulkstat)) |
| |
| struct xfs_inumbers_req { |
| struct xfs_bulk_ireq hdr; |
| struct xfs_inumbers inumbers[]; |
| }; |
| #define XFS_INUMBERS_REQ_SIZE(nr) (sizeof(struct xfs_inumbers_req) + \ |
| (nr) * sizeof(struct xfs_inumbers)) |
| |
| /* |
| * Error injection. |
| */ |
| typedef struct xfs_error_injection { |
| __s32 fd; |
| __s32 errtag; |
| } xfs_error_injection_t; |
| |
| |
| /* |
| * Speculative preallocation trimming. |
| */ |
| #define XFS_EOFBLOCKS_VERSION 1 |
| struct xfs_fs_eofblocks { |
| __u32 eof_version; |
| __u32 eof_flags; |
| uid_t eof_uid; |
| gid_t eof_gid; |
| prid_t eof_prid; |
| __u32 pad32; |
| __u64 eof_min_file_size; |
| __u64 pad64[12]; |
| }; |
| |
| /* eof_flags values */ |
| #define XFS_EOF_FLAGS_SYNC (1 << 0) /* sync/wait mode scan */ |
| #define XFS_EOF_FLAGS_UID (1 << 1) /* filter by uid */ |
| #define XFS_EOF_FLAGS_GID (1 << 2) /* filter by gid */ |
| #define XFS_EOF_FLAGS_PRID (1 << 3) /* filter by project id */ |
| #define XFS_EOF_FLAGS_MINFILESIZE (1 << 4) /* filter by min file size */ |
| #define XFS_EOF_FLAGS_UNION (1 << 5) /* union filter algorithm; |
| * kernel only, not included in |
| * valid mask */ |
| #define XFS_EOF_FLAGS_VALID \ |
| (XFS_EOF_FLAGS_SYNC | \ |
| XFS_EOF_FLAGS_UID | \ |
| XFS_EOF_FLAGS_GID | \ |
| XFS_EOF_FLAGS_PRID | \ |
| XFS_EOF_FLAGS_MINFILESIZE) |
| |
| |
| /* |
| * The user-level Handle Request interface structure. |
| */ |
| typedef struct xfs_fsop_handlereq { |
| __u32 fd; /* fd for FD_TO_HANDLE */ |
| void __user *path; /* user pathname */ |
| __u32 oflags; /* open flags */ |
| void __user *ihandle;/* user supplied handle */ |
| __u32 ihandlen; /* user supplied length */ |
| void __user *ohandle;/* user buffer for handle */ |
| __u32 __user *ohandlen;/* user buffer length */ |
| } xfs_fsop_handlereq_t; |
| |
| /* |
| * Compound structures for passing args through Handle Request interfaces |
| * xfs_fssetdm_by_handle, xfs_attrlist_by_handle, xfs_attrmulti_by_handle |
| * - ioctls: XFS_IOC_FSSETDM_BY_HANDLE, XFS_IOC_ATTRLIST_BY_HANDLE, and |
| * XFS_IOC_ATTRMULTI_BY_HANDLE |
| */ |
| |
| typedef struct xfs_fsop_setdm_handlereq { |
| struct xfs_fsop_handlereq hreq; /* handle information */ |
| struct fsdmidata __user *data; /* DMAPI data */ |
| } xfs_fsop_setdm_handlereq_t; |
| |
| /* |
| * Flags passed in xfs_attr_multiop.am_flags for the attr ioctl interface. |
| * |
| * NOTE: Must match the values declared in libattr without the XFS_IOC_ prefix. |
| */ |
| #define XFS_IOC_ATTR_ROOT 0x0002 /* use attrs in root namespace */ |
| #define XFS_IOC_ATTR_SECURE 0x0008 /* use attrs in security namespace */ |
| #define XFS_IOC_ATTR_CREATE 0x0010 /* fail if attr already exists */ |
| #define XFS_IOC_ATTR_REPLACE 0x0020 /* fail if attr does not exist */ |
| |
| typedef struct xfs_attrlist_cursor { |
| __u32 opaque[4]; |
| } xfs_attrlist_cursor_t; |
| |
| /* |
| * Define how lists of attribute names are returned to userspace from the |
| * XFS_IOC_ATTRLIST_BY_HANDLE ioctl. struct xfs_attrlist is the header at the |
| * beginning of the returned buffer, and a each entry in al_offset contains the |
| * relative offset of an xfs_attrlist_ent containing the actual entry. |
| * |
| * NOTE: struct xfs_attrlist must match struct attrlist defined in libattr, and |
| * struct xfs_attrlist_ent must match struct attrlist_ent defined in libattr. |
| */ |
| struct xfs_attrlist { |
| __s32 al_count; /* number of entries in attrlist */ |
| __s32 al_more; /* T/F: more attrs (do call again) */ |
| __s32 al_offset[1]; /* byte offsets of attrs [var-sized] */ |
| }; |
| |
| struct xfs_attrlist_ent { /* data from attr_list() */ |
| __u32 a_valuelen; /* number bytes in value of attr */ |
| char a_name[1]; /* attr name (NULL terminated) */ |
| }; |
| |
| typedef struct xfs_fsop_attrlist_handlereq { |
| struct xfs_fsop_handlereq hreq; /* handle interface structure */ |
| struct xfs_attrlist_cursor pos; /* opaque cookie, list offset */ |
| __u32 flags; /* which namespace to use */ |
| __u32 buflen; /* length of buffer supplied */ |
| void __user *buffer; /* returned names */ |
| } xfs_fsop_attrlist_handlereq_t; |
| |
| typedef struct xfs_attr_multiop { |
| __u32 am_opcode; |
| #define ATTR_OP_GET 1 /* return the indicated attr's value */ |
| #define ATTR_OP_SET 2 /* set/create the indicated attr/value pair */ |
| #define ATTR_OP_REMOVE 3 /* remove the indicated attr */ |
| __s32 am_error; |
| void __user *am_attrname; |
| void __user *am_attrvalue; |
| __u32 am_length; |
| __u32 am_flags; /* XFS_IOC_ATTR_* */ |
| } xfs_attr_multiop_t; |
| |
| typedef struct xfs_fsop_attrmulti_handlereq { |
| struct xfs_fsop_handlereq hreq; /* handle interface structure */ |
| __u32 opcount;/* count of following multiop */ |
| struct xfs_attr_multiop __user *ops; /* attr_multi data */ |
| } xfs_fsop_attrmulti_handlereq_t; |
| |
| /* |
| * per machine unique filesystem identifier types. |
| */ |
| typedef struct { __u32 val[2]; } xfs_fsid_t; /* file system id type */ |
| |
| typedef struct xfs_fid { |
| __u16 fid_len; /* length of remainder */ |
| __u16 fid_pad; |
| __u32 fid_gen; /* generation number */ |
| __u64 fid_ino; /* 64 bits inode number */ |
| } xfs_fid_t; |
| |
| typedef struct xfs_handle { |
| union { |
| __s64 align; /* force alignment of ha_fid */ |
| xfs_fsid_t _ha_fsid; /* unique file system identifier */ |
| } ha_u; |
| xfs_fid_t ha_fid; /* file system specific file ID */ |
| } xfs_handle_t; |
| #define ha_fsid ha_u._ha_fsid |
| |
| /* |
| * Structure passed to XFS_IOC_SWAPEXT |
| */ |
| typedef struct xfs_swapext |
| { |
| int64_t sx_version; /* version */ |
| #define XFS_SX_VERSION 0 |
| int64_t sx_fdtarget; /* fd of target file */ |
| int64_t sx_fdtmp; /* fd of tmp file */ |
| xfs_off_t sx_offset; /* offset into file */ |
| xfs_off_t sx_length; /* leng from offset */ |
| char sx_pad[16]; /* pad space, unused */ |
| struct xfs_bstat sx_stat; /* stat of target b4 copy */ |
| } xfs_swapext_t; |
| |
| /* |
| * Flags for going down operation |
| */ |
| #define XFS_FSOP_GOING_FLAGS_DEFAULT 0x0 /* going down */ |
| #define XFS_FSOP_GOING_FLAGS_LOGFLUSH 0x1 /* flush log but not data */ |
| #define XFS_FSOP_GOING_FLAGS_NOLOGFLUSH 0x2 /* don't flush log nor data */ |
| |
| /* metadata scrubbing */ |
| struct xfs_scrub_metadata { |
| __u32 sm_type; /* What to check? */ |
| __u32 sm_flags; /* flags; see below. */ |
| __u64 sm_ino; /* inode number. */ |
| __u32 sm_gen; /* inode generation. */ |
| __u32 sm_agno; /* ag number. */ |
| __u64 sm_reserved[5]; /* pad to 64 bytes */ |
| }; |
| |
| /* |
| * Metadata types and flags for scrub operation. |
| */ |
| |
| /* Scrub subcommands. */ |
| #define XFS_SCRUB_TYPE_PROBE 0 /* presence test ioctl */ |
| #define XFS_SCRUB_TYPE_SB 1 /* superblock */ |
| #define XFS_SCRUB_TYPE_AGF 2 /* AG free header */ |
| #define XFS_SCRUB_TYPE_AGFL 3 /* AG free list */ |
| #define XFS_SCRUB_TYPE_AGI 4 /* AG inode header */ |
| #define XFS_SCRUB_TYPE_BNOBT 5 /* freesp by block btree */ |
| #define XFS_SCRUB_TYPE_CNTBT 6 /* freesp by length btree */ |
| #define XFS_SCRUB_TYPE_INOBT 7 /* inode btree */ |
| #define XFS_SCRUB_TYPE_FINOBT 8 /* free inode btree */ |
| #define XFS_SCRUB_TYPE_RMAPBT 9 /* reverse mapping btree */ |
| #define XFS_SCRUB_TYPE_REFCNTBT 10 /* reference count btree */ |
| #define XFS_SCRUB_TYPE_INODE 11 /* inode record */ |
| #define XFS_SCRUB_TYPE_BMBTD 12 /* data fork block mapping */ |
| #define XFS_SCRUB_TYPE_BMBTA 13 /* attr fork block mapping */ |
| #define XFS_SCRUB_TYPE_BMBTC 14 /* CoW fork block mapping */ |
| #define XFS_SCRUB_TYPE_DIR 15 /* directory */ |
| #define XFS_SCRUB_TYPE_XATTR 16 /* extended attribute */ |
| #define XFS_SCRUB_TYPE_SYMLINK 17 /* symbolic link */ |
| #define XFS_SCRUB_TYPE_PARENT 18 /* parent pointers */ |
| #define XFS_SCRUB_TYPE_RTBITMAP 19 /* realtime bitmap */ |
| #define XFS_SCRUB_TYPE_RTSUM 20 /* realtime summary */ |
| #define XFS_SCRUB_TYPE_UQUOTA 21 /* user quotas */ |
| #define XFS_SCRUB_TYPE_GQUOTA 22 /* group quotas */ |
| #define XFS_SCRUB_TYPE_PQUOTA 23 /* project quotas */ |
| #define XFS_SCRUB_TYPE_FSCOUNTERS 24 /* fs summary counters */ |
| |
| /* Number of scrub subcommands. */ |
| #define XFS_SCRUB_TYPE_NR 25 |
| |
| /* i: Repair this metadata. */ |
| #define XFS_SCRUB_IFLAG_REPAIR (1 << 0) |
| |
| /* o: Metadata object needs repair. */ |
| #define XFS_SCRUB_OFLAG_CORRUPT (1 << 1) |
| |
| /* |
| * o: Metadata object could be optimized. It's not corrupt, but |
| * we could improve on it somehow. |
| */ |
| #define XFS_SCRUB_OFLAG_PREEN (1 << 2) |
| |
| /* o: Cross-referencing failed. */ |
| #define XFS_SCRUB_OFLAG_XFAIL (1 << 3) |
| |
| /* o: Metadata object disagrees with cross-referenced metadata. */ |
| #define XFS_SCRUB_OFLAG_XCORRUPT (1 << 4) |
| |
| /* o: Scan was not complete. */ |
| #define XFS_SCRUB_OFLAG_INCOMPLETE (1 << 5) |
| |
| /* o: Metadata object looked funny but isn't corrupt. */ |
| #define XFS_SCRUB_OFLAG_WARNING (1 << 6) |
| |
| /* |
| * o: IFLAG_REPAIR was set but metadata object did not need fixing or |
| * optimization and has therefore not been altered. |
| */ |
| #define XFS_SCRUB_OFLAG_NO_REPAIR_NEEDED (1 << 7) |
| |
| #define XFS_SCRUB_FLAGS_IN (XFS_SCRUB_IFLAG_REPAIR) |
| #define XFS_SCRUB_FLAGS_OUT (XFS_SCRUB_OFLAG_CORRUPT | \ |
| XFS_SCRUB_OFLAG_PREEN | \ |
| XFS_SCRUB_OFLAG_XFAIL | \ |
| XFS_SCRUB_OFLAG_XCORRUPT | \ |
| XFS_SCRUB_OFLAG_INCOMPLETE | \ |
| XFS_SCRUB_OFLAG_WARNING | \ |
| XFS_SCRUB_OFLAG_NO_REPAIR_NEEDED) |
| #define XFS_SCRUB_FLAGS_ALL (XFS_SCRUB_FLAGS_IN | XFS_SCRUB_FLAGS_OUT) |
| |
| /* |
| * ioctl limits |
| */ |
| #ifdef XATTR_LIST_MAX |
| # define XFS_XATTR_LIST_MAX XATTR_LIST_MAX |
| #else |
| # define XFS_XATTR_LIST_MAX 65536 |
| #endif |
| |
| |
| /* |
| * ioctl commands that are used by Linux filesystems |
| */ |
| #define XFS_IOC_GETXFLAGS FS_IOC_GETFLAGS |
| #define XFS_IOC_SETXFLAGS FS_IOC_SETFLAGS |
| #define XFS_IOC_GETVERSION FS_IOC_GETVERSION |
| |
| /* |
| * ioctl commands that replace IRIX fcntl()'s |
| * For 'documentation' purposed more than anything else, |
| * the "cmd #" field reflects the IRIX fcntl number. |
| */ |
| #define XFS_IOC_ALLOCSP _IOW ('X', 10, struct xfs_flock64) |
| #define XFS_IOC_FREESP _IOW ('X', 11, struct xfs_flock64) |
| #define XFS_IOC_DIOINFO _IOR ('X', 30, struct dioattr) |
| #define XFS_IOC_FSGETXATTR FS_IOC_FSGETXATTR |
| #define XFS_IOC_FSSETXATTR FS_IOC_FSSETXATTR |
| #define XFS_IOC_ALLOCSP64 _IOW ('X', 36, struct xfs_flock64) |
| #define XFS_IOC_FREESP64 _IOW ('X', 37, struct xfs_flock64) |
| #define XFS_IOC_GETBMAP _IOWR('X', 38, struct getbmap) |
| #define XFS_IOC_FSSETDM _IOW ('X', 39, struct fsdmidata) |
| #define XFS_IOC_RESVSP _IOW ('X', 40, struct xfs_flock64) |
| #define XFS_IOC_UNRESVSP _IOW ('X', 41, struct xfs_flock64) |
| #define XFS_IOC_RESVSP64 _IOW ('X', 42, struct xfs_flock64) |
| #define XFS_IOC_UNRESVSP64 _IOW ('X', 43, struct xfs_flock64) |
| #define XFS_IOC_GETBMAPA _IOWR('X', 44, struct getbmap) |
| #define XFS_IOC_FSGETXATTRA _IOR ('X', 45, struct fsxattr) |
| /* XFS_IOC_SETBIOSIZE ---- deprecated 46 */ |
| /* XFS_IOC_GETBIOSIZE ---- deprecated 47 */ |
| #define XFS_IOC_GETBMAPX _IOWR('X', 56, struct getbmap) |
| #define XFS_IOC_ZERO_RANGE _IOW ('X', 57, struct xfs_flock64) |
| #define XFS_IOC_FREE_EOFBLOCKS _IOR ('X', 58, struct xfs_fs_eofblocks) |
| /* XFS_IOC_GETFSMAP ------ hoisted 59 */ |
| #define XFS_IOC_SCRUB_METADATA _IOWR('X', 60, struct xfs_scrub_metadata) |
| #define XFS_IOC_AG_GEOMETRY _IOWR('X', 61, struct xfs_ag_geometry) |
| |
| /* |
| * ioctl commands that replace IRIX syssgi()'s |
| */ |
| #define XFS_IOC_FSGEOMETRY_V1 _IOR ('X', 100, struct xfs_fsop_geom_v1) |
| #define XFS_IOC_FSBULKSTAT _IOWR('X', 101, struct xfs_fsop_bulkreq) |
| #define XFS_IOC_FSBULKSTAT_SINGLE _IOWR('X', 102, struct xfs_fsop_bulkreq) |
| #define XFS_IOC_FSINUMBERS _IOWR('X', 103, struct xfs_fsop_bulkreq) |
| #define XFS_IOC_PATH_TO_FSHANDLE _IOWR('X', 104, struct xfs_fsop_handlereq) |
| #define XFS_IOC_PATH_TO_HANDLE _IOWR('X', 105, struct xfs_fsop_handlereq) |
| #define XFS_IOC_FD_TO_HANDLE _IOWR('X', 106, struct xfs_fsop_handlereq) |
| #define XFS_IOC_OPEN_BY_HANDLE _IOWR('X', 107, struct xfs_fsop_handlereq) |
| #define XFS_IOC_READLINK_BY_HANDLE _IOWR('X', 108, struct xfs_fsop_handlereq) |
| #define XFS_IOC_SWAPEXT _IOWR('X', 109, struct xfs_swapext) |
| #define XFS_IOC_FSGROWFSDATA _IOW ('X', 110, struct xfs_growfs_data) |
| #define XFS_IOC_FSGROWFSLOG _IOW ('X', 111, struct xfs_growfs_log) |
| #define XFS_IOC_FSGROWFSRT _IOW ('X', 112, struct xfs_growfs_rt) |
| #define XFS_IOC_FSCOUNTS _IOR ('X', 113, struct xfs_fsop_counts) |
| #define XFS_IOC_SET_RESBLKS _IOWR('X', 114, struct xfs_fsop_resblks) |
| #define XFS_IOC_GET_RESBLKS _IOR ('X', 115, struct xfs_fsop_resblks) |
| #define XFS_IOC_ERROR_INJECTION _IOW ('X', 116, struct xfs_error_injection) |
| #define XFS_IOC_ERROR_CLEARALL _IOW ('X', 117, struct xfs_error_injection) |
| /* XFS_IOC_ATTRCTL_BY_HANDLE -- deprecated 118 */ |
| |
| #define XFS_IOC_FREEZE _IOWR('X', 119, int) /* aka FIFREEZE */ |
| #define XFS_IOC_THAW _IOWR('X', 120, int) /* aka FITHAW */ |
| |
| #define XFS_IOC_FSSETDM_BY_HANDLE _IOW ('X', 121, struct xfs_fsop_setdm_handlereq) |
| #define XFS_IOC_ATTRLIST_BY_HANDLE _IOW ('X', 122, struct xfs_fsop_attrlist_handlereq) |
| #define XFS_IOC_ATTRMULTI_BY_HANDLE _IOW ('X', 123, struct xfs_fsop_attrmulti_handlereq) |
| #define XFS_IOC_FSGEOMETRY_V4 _IOR ('X', 124, struct xfs_fsop_geom_v4) |
| #define XFS_IOC_GOINGDOWN _IOR ('X', 125, uint32_t) |
| #define XFS_IOC_FSGEOMETRY _IOR ('X', 126, struct xfs_fsop_geom) |
| #define XFS_IOC_BULKSTAT _IOR ('X', 127, struct xfs_bulkstat_req) |
| #define XFS_IOC_INUMBERS _IOR ('X', 128, struct xfs_inumbers_req) |
| /* XFS_IOC_GETFSUUID ---------- deprecated 140 */ |
| |
| |
| #ifndef HAVE_BBMACROS |
| /* |
| * Block I/O parameterization. A basic block (BB) is the lowest size of |
| * filesystem allocation, and must equal 512. Length units given to bio |
| * routines are in BB's. |
| */ |
| #define BBSHIFT 9 |
| #define BBSIZE (1<<BBSHIFT) |
| #define BBMASK (BBSIZE-1) |
| #define BTOBB(bytes) (((__u64)(bytes) + BBSIZE - 1) >> BBSHIFT) |
| #define BTOBBT(bytes) ((__u64)(bytes) >> BBSHIFT) |
| #define BBTOB(bbs) ((bbs) << BBSHIFT) |
| #endif |
| |
| #endif /* __XFS_FS_H__ */ |
