1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0+ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright (C) 2017 Oracle. All Rights Reserved. 4*4882a593Smuzhiyun * Author: Darrick J. Wong <darrick.wong@oracle.com> 5*4882a593Smuzhiyun */ 6*4882a593Smuzhiyun #ifndef __XFS_FSMAP_H__ 7*4882a593Smuzhiyun #define __XFS_FSMAP_H__ 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun struct fsmap; 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun /* internal fsmap representation */ 12*4882a593Smuzhiyun struct xfs_fsmap { 13*4882a593Smuzhiyun dev_t fmr_device; /* device id */ 14*4882a593Smuzhiyun uint32_t fmr_flags; /* mapping flags */ 15*4882a593Smuzhiyun uint64_t fmr_physical; /* device offset of segment */ 16*4882a593Smuzhiyun uint64_t fmr_owner; /* owner id */ 17*4882a593Smuzhiyun xfs_fileoff_t fmr_offset; /* file offset of segment */ 18*4882a593Smuzhiyun xfs_filblks_t fmr_length; /* length of segment, blocks */ 19*4882a593Smuzhiyun }; 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun struct xfs_fsmap_head { 22*4882a593Smuzhiyun uint32_t fmh_iflags; /* control flags */ 23*4882a593Smuzhiyun uint32_t fmh_oflags; /* output flags */ 24*4882a593Smuzhiyun unsigned int fmh_count; /* # of entries in array incl. input */ 25*4882a593Smuzhiyun unsigned int fmh_entries; /* # of entries filled in (output). */ 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun struct xfs_fsmap fmh_keys[2]; /* low and high keys */ 28*4882a593Smuzhiyun }; 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun void xfs_fsmap_to_internal(struct xfs_fsmap *dest, struct fsmap *src); 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun int xfs_getfsmap(struct xfs_mount *mp, struct xfs_fsmap_head *head, 33*4882a593Smuzhiyun struct fsmap *out_recs); 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun #endif /* __XFS_FSMAP_H__ */ 36