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#ifndef GUARD_QUOTA_H
#define GUARD_QUOTA_H
#include <sys/types.h>
#include <stdint.h>
typedef u_int32_t qid_t; /* Type in which we store ids in memory */
typedef int64_t qsize_t; /* Type in which we store size limitations */
#define QSIZE_MAX INT64_MAX /* Maximum value storable in qsize_t */
#define MAXQUOTAS 3
#define USRQUOTA 0 /* element used for user quotas */
#define GRPQUOTA 1 /* element used for group quotas */
#define PRJQUOTA 2 /* element used for project quotas */
/*
* Definitions for the default names of the quotas files.
* N_ is gettext magic for static strings
*/
#define N_(x) (x)
#define INITQFNAMES { \
N_("user"), /* USRQUOTA */ \
N_("group"), /* GRPQUOTA */ \
N_("project"), /* PRJQUOTA */ \
N_("undefined"), \
}
/*
* Definitions of magics and versions of current quota files
*/
#define INITQMAGICS {\
0xd9c01f11, /* USRQUOTA */\
0xd9c01927 /* GRPQUOTA */\
}
/* Size of blocks in which are counted size limits in generic utility parts */
#define QUOTABLOCK_BITS 10
#define QUOTABLOCK_SIZE (1 << QUOTABLOCK_BITS)
/* Conversion routines from and to quota blocks */
#define qb2kb(x) ((x) << (QUOTABLOCK_BITS-10))
#define kb2qb(x) ((x) >> (QUOTABLOCK_BITS-10))
#define toqb(x) (((x) + QUOTABLOCK_SIZE - 1) >> QUOTABLOCK_BITS)
/*
* Command definitions for the 'quotactl' system call.
* The commands are broken into a main command defined below
* and a subcommand that is used to convey the type of
* quota that is being manipulated (see above).
*/
#define SUBCMDMASK 0x00ff
#define SUBCMDSHIFT 8
#define QCMD(cmd, type) (((cmd) << SUBCMDSHIFT) | ((type) & SUBCMDMASK))
#define Q_6_5_QUOTAON 0x0100 /* enable quotas */
#define Q_6_5_QUOTAOFF 0x0200 /* disable quotas */
#define Q_6_5_SYNC 0x0600 /* sync disk copy of a filesystems quotas */
#define Q_SYNC 0x800001 /* sync disk copy of a filesystems quotas */
#define Q_QUOTAON 0x800002 /* turn quotas on */
#define Q_QUOTAOFF 0x800003 /* turn quotas off */
#define Q_GETFMT 0x800004 /* get quota format used on given filesystem */
#define Q_GETINFO 0x800005 /* get information about quota files */
#define Q_SETINFO 0x800006 /* set information about quota files */
#define Q_GETQUOTA 0x800007 /* get user quota structure */
#define Q_SETQUOTA 0x800008 /* set user quota structure */
#define Q_GETNEXTQUOTA 0x800009 /* get disk limits and usage >= ID */
/*
* Quota structure used for communication with userspace via quotactl
* Following flags are used to specify which fields are valid
*/
#define QIF_BLIMITS 1
#define QIF_SPACE 2
#define QIF_ILIMITS 4
#define QIF_INODES 8
#define QIF_BTIME 16
#define QIF_ITIME 32
#define QIF_LIMITS (QIF_BLIMITS | QIF_ILIMITS)
#define QIF_USAGE (QIF_SPACE | QIF_INODES)
#define QIF_TIMES (QIF_BTIME | QIF_ITIME)
#define QIF_ALL (QIF_LIMITS | QIF_USAGE | QIF_TIMES)
struct if_dqblk {
u_int64_t dqb_bhardlimit;
u_int64_t dqb_bsoftlimit;
u_int64_t dqb_curspace;
u_int64_t dqb_ihardlimit;
u_int64_t dqb_isoftlimit;
u_int64_t dqb_curinodes;
u_int64_t dqb_btime;
u_int64_t dqb_itime;
u_int32_t dqb_valid;
};
struct if_nextdqblk {
u_int64_t dqb_bhardlimit;
u_int64_t dqb_bsoftlimit;
u_int64_t dqb_curspace;
u_int64_t dqb_ihardlimit;
u_int64_t dqb_isoftlimit;
u_int64_t dqb_curinodes;
u_int64_t dqb_btime;
u_int64_t dqb_itime;
u_int32_t dqb_valid;
u_int32_t dqb_id;
};
/*
* Structure used for setting quota information about file via quotactl
* Following flags are used to specify which fields are valid
*/
#define IIF_BGRACE 1
#define IIF_IGRACE 2
#define IIF_FLAGS 4
#define IIF_ALL (IIF_BGRACE | IIF_IGRACE | IIF_FLAGS)
#define DQF_SYS_FILE 0x10000 /* Quota stored in a system file */
struct if_dqinfo {
u_int64_t dqi_bgrace;
u_int64_t dqi_igrace;
u_int32_t dqi_flags;
u_int32_t dqi_valid;
};
/*
* Definitions for quota netlink interface
*/
#define QUOTA_NL_NOWARN 0
#define QUOTA_NL_IHARDWARN 1 /* Inode hardlimit reached */
#define QUOTA_NL_ISOFTLONGWARN 2 /* Inode grace time expired */
#define QUOTA_NL_ISOFTWARN 3 /* Inode softlimit reached */
#define QUOTA_NL_BHARDWARN 4 /* Block hardlimit reached */
#define QUOTA_NL_BSOFTLONGWARN 5 /* Block grace time expired */
#define QUOTA_NL_BSOFTWARN 6 /* Block softlimit reached */
#define QUOTA_NL_IHARDBELOW 7 /* Usage got below inode hardlimit */
#define QUOTA_NL_ISOFTBELOW 8 /* Usage got below inode softlimit */
#define QUOTA_NL_BHARDBELOW 9 /* Usage got below block hardlimit */
#define QUOTA_NL_BSOFTBELOW 10 /* Usage got below block softlimit */
enum {
QUOTA_NL_C_UNSPEC,
QUOTA_NL_C_WARNING,
ENUM_QUOTA_NL_C_MAX,
};
#define QUOTA_NL_C_MAX (ENUM_QUOTA_NL_C_MAX - 1)
enum {
QUOTA_NL_A_UNSPEC,
QUOTA_NL_A_QTYPE,
QUOTA_NL_A_EXCESS_ID,
QUOTA_NL_A_WARNING,
QUOTA_NL_A_DEV_MAJOR,
QUOTA_NL_A_DEV_MINOR,
QUOTA_NL_A_CAUSED_ID,
ENUM_QUOTA_NL_A_MAX,
};
#define QUOTA_NL_A_MAX (ENUM_QUOTA_NL_A_MAX - 1)
/* Quota format identifiers */
#define QFMT_VFS_OLD 1
#define QFMT_VFS_V0 2
#define QFMT_OCFS2 3
#define QFMT_VFS_V1 4
/* Flags supported by kernel */
#define V1_DQF_RSQUASH 1
/* Ioctl for getting quota size */
#include <sys/ioctl.h>
#ifndef FIOQSIZE
#if defined(__alpha__) || defined(__powerpc__) || defined(__sh__) || defined(__sparc__) || defined(__sparc64__)
#define FIOQSIZE _IOR('f', 128, loff_t)
#elif defined(__arm__) || defined(__mc68000__) || defined(__s390__)
#define FIOQSIZE 0x545E
#elif defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__ia64__) || defined(__parisc__) || defined(__cris__) || defined(__hppa__) || defined(__x86_64__)
#define FIOQSIZE 0x5460
#elif defined(__mips__) || defined(__mips64__)
#define FIOQSIZE 0x6667
#endif
#endif
long quotactl(int, const char *, qid_t, caddr_t);
#endif /* _QUOTA_ */
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