quota/quota.h

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (c) 2005 Silicon Graphics, Inc.
   4  * All Rights Reserved.
   5  */
   6 #ifndef XFS_QUOTA_QUOTA_H_
   7 #define XFS_QUOTA_QUOTA_H_
   8
   9 #include "xqm.h"
  10 #include "libfrog/paths.h"
  11 #include "libfrog/projects.h"
  12 #include <stdbool.h>
  13
  14 /*
  15  * Different forms of XFS quota
  16  */
  17 enum {
  18         XFS_BLOCK_QUOTA =       0x1,
  19         XFS_INODE_QUOTA =       0x2,
  20         XFS_RTBLOCK_QUOTA =     0x4,
  21 };
  22
  23 /*
  24  * System call definitions mapping to platform-specific quotactl
  25  */
  26 extern int xfsquotactl(int __cmd, const char *__device,
  27                         uint __type, uint __id, void * __addr);
  28 enum {
  29         XFS_QUOTAON,    /* enable accounting/enforcement */
  30         XFS_QUOTAOFF,   /* disable accounting/enforcement */
  31         XFS_GETQUOTA,   /* get disk limits and usage */
  32         XFS_SETQLIM,    /* set disk limits */
  33         XFS_GETQSTAT,   /* get quota subsystem status */
  34         XFS_QUOTARM,    /* free disk space used by dquots */
  35         XFS_QSYNC,      /* flush delayed allocate space */
  36         XFS_GETQSTATV,  /* newer version of quota stats */
  37         XFS_GETNEXTQUOTA, /* get disk limits and usage */
  38 };
  39
  40 /*
  41  * Utility routines
  42  */
  43 extern char *type_to_string(uint __type);
  44 extern char *form_to_string(uint __form);
  45 extern char *time_to_string(time64_t __time, uint __flags);
  46 extern char *bbs_to_string(uint64_t __v, char *__c, uint __size);
  47 extern char *num_to_string(uint64_t __v, char *__c, uint __size);
  48 extern char *pct_to_string(uint64_t __v, uint64_t __t, char *__c, uint __s);
  49
  50 extern FILE *fopen_write_secure(char *__filename);
  51
  52 /*
  53  * Various utility routine flags
  54  */
  55 enum {
  56         NO_HEADER_FLAG =        0x0001, /* don't print header */
  57         VERBOSE_FLAG =          0x0002, /* increase verbosity */
  58         HUMAN_FLAG =            0x0004, /* human-readable values */
  59         QUOTA_FLAG =            0x0008, /* uid/gid/prid over-quota (soft) */
  60         LIMIT_FLAG =            0x0010, /* uid/gid/prid over-limit (hard) */
  61         ALL_MOUNTS_FLAG =       0x0020, /* iterate over every mounted xfs */
  62         TERSE_FLAG =            0x0040, /* decrease verbosity */
  63         HISTOGRAM_FLAG =        0x0080, /* histogram format output */
  64         DEFAULTS_FLAG =         0x0100, /* use value as a default */
  65         ABSOLUTE_FLAG =         0x0200, /* absolute time, not related to now */
  66         NO_LOOKUP_FLAG =        0x0400, /* skip name lookups, just report ID */
  67         GETNEXTQUOTA_FLAG =     0x0800, /* use getnextquota quotactl */
  68 };
  69
  70 /*
  71  * Identifier (uid/gid/prid) cache routines
  72  */
  73 #define NMAX 32
  74 extern char *uid_to_name(uint32_t __uid);
  75 extern char *gid_to_name(uint32_t __gid);
  76 extern char *prid_to_name(uint32_t __prid);
  77 extern bool isdigits_only(const char *);
  78
  79 time64_t decode_timer(const struct fs_disk_quota *d, __s32 timer_lo,
  80                 __s8 timer_hi);
  81
  82 #endif /* XFS_QUOTA_QUOTA_H_ */