/* * quota.h -- minimal definitions of kernel quota constants */ #define MAXQUOTAS 2 #define USRQUOTA 0 /* element used for user quotas */ #define GRPQUOTA 1 /* element used for group quotas */ /* * 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_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 */ /* Flags that indicate which fields in dqblk structure 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 dqblk { u_int64_t dqb_bhardlimit; /* absolute limit on disk quota blocks alloc */ u_int64_t dqb_bsoftlimit; /* preferred limit on disk quota blocks */ u_int64_t dqb_curspace; /* current quota block count */ u_int64_t dqb_ihardlimit; /* maximum # allocated inodes */ u_int64_t dqb_isoftlimit; /* preferred inode limit */ u_int64_t dqb_curinodes; /* current # allocated inodes */ u_int64_t dqb_btime; /* time limit for excessive disk use */ u_int64_t dqb_itime; /* time limit for excessive files */ u_int32_t dqb_valid; /* bitmask of QIF_* constants */ }; /* * Shorthand notation. */ #define dq_bhardlimit dq_dqb.dqb_bhardlimit #define dq_bsoftlimit dq_dqb.dqb_bsoftlimit #define dq_curspace dq_dqb.dqb_curspace #define dq_valid dq_dqb.dqb_valid #define dq_ihardlimit dq_dqb.dqb_ihardlimit #define dq_isoftlimit dq_dqb.dqb_isoftlimit #define dq_curinodes dq_dqb.dqb_curinodes #define dq_btime dq_dqb.dqb_btime #define dq_itime dq_dqb.dqb_itime #define dqoff(UID) ((loff_t)((UID) * sizeof (struct dqblk))) /* Flags that indicate which fields in dqinfo structure are valid. */ #define IIF_BGRACE 1 #define IIF_IGRACE 2 #define IIF_FLAGS 4 #define IIF_ALL (IIF_BGRACE | IIF_IGRACE | IIF_FLAGS) struct dqinfo { u_int64_t dqi_bgrace; u_int64_t dqi_igrace; u_int32_t dqi_flags; u_int32_t dqi_valid; }; extern int quotactl(int __cmd, const char *__special, int __id, caddr_t __addr);