--- /dev/null
+#ifndef _SAMBA_LINUX_QUOTA_H_
+#define _SAMBA_LINUX_QUOTA_H_
+/*
+ Unix SMB/CIFS implementation.
+ Copyright (C) Andrew Tridgell 1994-2002
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+/*
+ This file is needed because Quota support on Linux has
+ been broken since Linus kernel 2.4.x. It will only get
+ better (and this file be removed) when all the distributions
+ ship a glibc with a working quota.h file. This is very
+ bad. JRA.
+
+ Original file came from Christoph Hellwig <hch@infradead.org>.
+ Massaged into one nasty include file (to stop us having to
+ add multiple files into Samba just for Linux braindamage)
+ by JRA.
+*/
+
+#undef QUOTABLOCK_SIZE
+
+#ifndef _QUOTAIO_LINUX_V1
+#define _QUOTAIO_LINUX_V1
+
+/*
+ * Headerfile for old quotafile format
+ */
+
+#include <sys/types.h>
+
+#define V1_DQBLK_SIZE_BITS 10
+#define V1_DQBLK_SIZE (1 << V1_DQBLK_SIZE_BITS) /* Size of one quota block in bytes in old format */
+
+#define V1_DQOFF(__id) ((loff_t) ((__id) * sizeof(struct v1_disk_dqblk)))
+
+/* Structure of quota on disk */
+struct v1_disk_dqblk {
+ u_int32_t dqb_bhardlimit; /* absolute limit on disk blks alloc */
+ u_int32_t dqb_bsoftlimit; /* preferred limit on disk blks */
+ u_int32_t dqb_curblocks; /* current block count */
+ u_int32_t dqb_ihardlimit; /* maximum # allocated inodes */
+ u_int32_t dqb_isoftlimit; /* preferred limit on inodes */
+ u_int32_t dqb_curinodes; /* current # allocated inodes */
+ time_t dqb_btime; /* time limit for excessive disk use */
+ time_t dqb_itime; /* time limit for excessive files */
+} __attribute__ ((packed));
+
+/* Structure used for communication with kernel */
+struct v1_kern_dqblk {
+ u_int32_t dqb_bhardlimit; /* absolute limit on disk blks alloc */
+ u_int32_t dqb_bsoftlimit; /* preferred limit on disk blks */
+ u_int32_t dqb_curblocks; /* current block count */
+ u_int32_t dqb_ihardlimit; /* maximum # allocated inodes */
+ u_int32_t dqb_isoftlimit; /* preferred inode limit */
+ u_int32_t dqb_curinodes; /* current # allocated inodes */
+ time_t dqb_btime; /* time limit for excessive disk use */
+ time_t dqb_itime; /* time limit for excessive files */
+};
+
+struct v1_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;
+};
+
+#ifndef Q_V1_GETQUOTA
+#define Q_V1_GETQUOTA 0x300
+#endif
+#ifndef Q_V1_SETQUOTA
+#define Q_V1_SETQUOTA 0x400
+#endif
+
+#endif /* _QUOTAIO_LINUX_V1 */
+
+/*
+ *
+ * Header file for disk format of new quotafile format
+ *
+ */
+
+#ifndef _QUOTAIO_LINUX_V2
+#define _QUOTAIO_LINUX_V2
+
+#include <sys/types.h>
+
+#ifndef _QUOTA_LINUX
+#define _QUOTA_LINUX
+
+#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_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 */
+
+/*
+ * 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;
+};
+
+/*
+ * 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)
+
+struct if_dqinfo {
+ u_int64_t dqi_bgrace;
+ u_int64_t dqi_igrace;
+ u_int32_t dqi_flags;
+ u_int32_t dqi_valid;
+};
+
+/* Quota format identifiers */
+#define QFMT_VFS_OLD 1
+#define QFMT_VFS_V0 2
+
+/* 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__)
+ #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_LINUX */
+
+#define V2_DQINFOOFF sizeof(struct v2_disk_dqheader) /* Offset of info header in file */
+#define V2_DQBLKSIZE_BITS 10
+#define V2_DQBLKSIZE (1 << V2_DQBLKSIZE_BITS) /* Size of block with quota structures */
+#define V2_DQTREEOFF 1 /* Offset of tree in file in blOcks */
+#define V2_DQTREEDEPTH 4 /* Depth of quota tree */
+#define V2_DQSTRINBLK ((V2_DQBLKSIZE - sizeof(struct v2_disk_dqdbheader)) / sizeof(struct v2_disk_dqblk)) /* Number of entries in one blocks */
+#define V2_GETIDINDEX(id, depth) (((id) >> ((V2_DQTREEDEPTH-(depth)-1)*8)) & 0xff)
+#define V2_GETENTRIES(buf) ((struct v2_disk_dqblk *)(((char *)(buf)) + sizeof(struct v2_disk_dqdbheader)))
+#define INIT_V2_VERSIONS { 0, 0}
+
+struct v2_disk_dqheader {
+ u_int32_t dqh_magic; /* Magic number identifying file */
+ u_int32_t dqh_version; /* File version */
+} __attribute__ ((packed));
+
+/* Flags for version specific files */
+#define V2_DQF_MASK 0x0000 /* Mask for all valid ondisk flags */
+
+/* Header with type and version specific information */
+struct v2_disk_dqinfo {
+ u_int32_t dqi_bgrace; /* Time before block soft limit becomes hard limit */
+ u_int32_t dqi_igrace; /* Time before inode soft limit becomes hard limit */
+ u_int32_t dqi_flags; /* Flags for quotafile (DQF_*) */
+ u_int32_t dqi_blocks; /* Number of blocks in file */
+ u_int32_t dqi_free_blk; /* Number of first free block in the list */
+ u_int32_t dqi_free_entry; /* Number of block with at least one free entry */
+} __attribute__ ((packed));
+
+/*
+ * Structure of header of block with quota structures. It is padded to 16 bytes so
+ * there will be space for exactly 18 quota-entries in a block
+ */
+struct v2_disk_dqdbheader {
+ u_int32_t dqdh_next_free; /* Number of next block with free entry */
+ u_int32_t dqdh_prev_free; /* Number of previous block with free entry */
+ u_int16_t dqdh_entries; /* Number of valid entries in block */
+ u_int16_t dqdh_pad1;
+ u_int32_t dqdh_pad2;
+} __attribute__ ((packed));
+
+/* Structure of quota for one user on disk */
+struct v2_disk_dqblk {
+ u_int32_t dqb_id; /* id this quota applies to */
+ u_int32_t dqb_ihardlimit; /* absolute limit on allocated inodes */
+ u_int32_t dqb_isoftlimit; /* preferred inode limit */
+ u_int32_t dqb_curinodes; /* current # allocated inodes */
+ u_int32_t dqb_bhardlimit; /* absolute limit on disk space (in QUOTABLOCK_SIZE) */
+ u_int32_t dqb_bsoftlimit; /* preferred limit on disk space (in QUOTABLOCK_SIZE) */
+ u_int64_t dqb_curspace; /* current space occupied (in bytes) */
+ u_int64_t dqb_btime; /* time limit for excessive disk use */
+ u_int64_t dqb_itime; /* time limit for excessive inode use */
+} __attribute__ ((packed));
+
+/* Structure of quota for communication with kernel */
+struct v2_kern_dqblk {
+ unsigned int dqb_ihardlimit;
+ unsigned int dqb_isoftlimit;
+ unsigned int dqb_curinodes;
+ unsigned int dqb_bhardlimit;
+ unsigned int dqb_bsoftlimit;
+ qsize_t dqb_curspace;
+ time_t dqb_btime;
+ time_t dqb_itime;
+};
+
+/* Structure of quotafile info for communication with kernel */
+struct v2_kern_dqinfo {
+ unsigned int dqi_bgrace;
+ unsigned int dqi_igrace;
+ unsigned int dqi_flags;
+ unsigned int dqi_blocks;
+ unsigned int dqi_free_blk;
+ unsigned int dqi_free_entry;
+};
+
+/* Structure with gathered statistics from kernel */
+struct v2_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;
+};
+
+#ifndef Q_V2_GETQUOTA
+#define Q_V2_GETQUOTA 0x0D00
+#endif
+#ifndef Q_V2_SETQUOTA
+#define Q_V2_SETQUOTA 0x0E00
+#endif
+
+#endif /* _QUOTAIO_LINUX_V2 */
+
+#ifndef QUOTABLOCK_SIZE
+#define QUOTABLOCK_SIZE 1024
+#endif
+
+#endif /* _SAMBA_LINUX_QUOTA_H_ */
projects / samba / blobdiff