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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Definitions of structures for vfsv0 quota format
*/
#ifndef _LINUX_QUOTAIO_V2_H
#define _LINUX_QUOTAIO_V2_H
#include <linux/types.h>
#include <linux/quota.h>
/*
* Definitions of magics and versions of current quota files
*/
#define V2_INITQMAGICS {\
0xd9c01f11, /* USRQUOTA */\
0xd9c01927, /* GRPQUOTA */\
0xd9c03f14, /* PRJQUOTA */\
}
#define V2_INITQVERSIONS {\
1, /* USRQUOTA */\
1, /* GRPQUOTA */\
1, /* PRJQUOTA */\
}
/* First generic header */
struct v2_disk_dqheader {
__le32 dqh_magic; /* Magic number identifying file */
__le32 dqh_version; /* File version */
};
/*
* The following structure defines the format of the disk quota file
* (as it appears on disk) - the file is a radix tree whose leaves point
* to blocks of these structures.
*/
struct v2r0_disk_dqblk {
__le32 dqb_id; /* id this quota applies to */
__le32 dqb_ihardlimit; /* absolute limit on allocated inodes */
__le32 dqb_isoftlimit; /* preferred inode limit */
__le32 dqb_curinodes; /* current # allocated inodes */
__le32 dqb_bhardlimit; /* absolute limit on disk space (in QUOTABLOCK_SIZE) */
__le32 dqb_bsoftlimit; /* preferred limit on disk space (in QUOTABLOCK_SIZE) */
__le64 dqb_curspace; /* current space occupied (in bytes) */
__le64 dqb_btime; /* time limit for excessive disk use */
__le64 dqb_itime; /* time limit for excessive inode use */
};
struct v2r1_disk_dqblk {
__le32 dqb_id; /* id this quota applies to */
__le32 dqb_pad;
__le64 dqb_ihardlimit; /* absolute limit on allocated inodes */
__le64 dqb_isoftlimit; /* preferred inode limit */
__le64 dqb_curinodes; /* current # allocated inodes */
__le64 dqb_bhardlimit; /* absolute limit on disk space (in QUOTABLOCK_SIZE) */
__le64 dqb_bsoftlimit; /* preferred limit on disk space (in QUOTABLOCK_SIZE) */
__le64 dqb_curspace; /* current space occupied (in bytes) */
__le64 dqb_btime; /* time limit for excessive disk use */
__le64 dqb_itime; /* time limit for excessive inode use */
};
/* Header with type and version specific information */
struct v2_disk_dqinfo {
__le32 dqi_bgrace; /* Time before block soft limit becomes hard limit */
__le32 dqi_igrace; /* Time before inode soft limit becomes hard limit */
__le32 dqi_flags; /* Flags for quotafile (DQF_*) */
__le32 dqi_blocks; /* Number of blocks in file */
__le32 dqi_free_blk; /* Number of first free block in the list */
__le32 dqi_free_entry; /* Number of block with at least one free entry */
};
#define V2_DQINFOOFF sizeof(struct v2_disk_dqheader) /* Offset of info header in file */
#define V2_DQBLKSIZE_BITS 10 /* Size of leaf block in tree */
#endif /* _LINUX_QUOTAIO_V2_H */
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