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#ifndef _QUOTA_H
#define _QUOTA_H
#include <sys/types.h>
typedef u_int32_t qid_t; /* Type in which we store ids in memory */
typedef u_int64_t qsize_t; /* Type in which we store size limitations */
#define MAXQUOTAS 2
#define USRQUOTA 0 /* element used for user quotas */
#define GRPQUOTA 1 /* element used for group quotas */
/*
* Definitions for the default names of the quotas files.
*/
#define INITQFNAMES { \
"user", /* USRQUOTA */ \
"group", /* GRPQUOTA */ \
"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_QUOTAON 0x0100 /* enable quotas */
#define Q_QUOTAOFF 0x0200 /* disable quotas */
#define Q_SYNC 0x0600 /* sync disk copy of a filesystems quotas */
#define Q_GETSTATS 0x1100 /* get collected stats */
struct dqstats {
u_int32_t lookups;
u_int32_t drops;
u_int32_t reads;
u_int32_t writes;
u_int32_t cache_hits;
u_int32_t allocated_dquots;
u_int32_t free_dquots;
u_int32_t syncs;
u_int32_t version;
};
/* 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__)
#define FIOQSIZE 0x5460
#elif defined(__mips__) || defined(__mips64__)
#define FIOQSIZE 0x6667
#endif
#endif
long quotactl __P((int, const char *, qid_t, caddr_t));
#endif /* _QUOTA_ */
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