1 files changed, 171 insertions, 0 deletions

diff --git a/include/uapi/linux/quota.h b/include/uapi/linux/quota.h
new file mode 100644
index 000000000000..3b6cfbeb086d
--- /dev/null
+++ b/include/uapi/linux/quota.h
@@ -0,0 +1,171 @@
+/*
+ * Copyright (c) 1982, 1986 Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Robert Elz at The University of Melbourne.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef _UAPI_LINUX_QUOTA_
+#define _UAPI_LINUX_QUOTA_
+
+#include <linux/errno.h>
+#include <linux/types.h>
+
+#define __DQUOT_VERSION__       "dquot_6.5.2"
+
+#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", \
+};
+
+/*
+ * 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 */
+
+/* Quota format type IDs */
+#define QFMT_VFS_OLD 1
+#define QFMT_VFS_V0 2
+#define QFMT_OCFS2 3
+#define QFMT_VFS_V1 4
+
+/* Size of block in which space limits are passed through the quota
+ * interface */
+#define QIF_DQBLKSIZE_BITS 10
+#define QIF_DQBLKSIZE (1 << QIF_DQBLKSIZE_BITS)
+
+/*
+ * Quota structure used for communication with userspace via quotactl
+ * Following flags are used to specify which fields are valid
+ */
+enum {
+        QIF_BLIMITS_B = 0,
+        QIF_SPACE_B,
+        QIF_ILIMITS_B,
+        QIF_INODES_B,
+        QIF_BTIME_B,
+        QIF_ITIME_B,
+};
+
+#define QIF_BLIMITS     (1 << QIF_BLIMITS_B)
+#define QIF_SPACE       (1 << QIF_SPACE_B)
+#define QIF_ILIMITS     (1 << QIF_ILIMITS_B)
+#define QIF_INODES      (1 << QIF_INODES_B)
+#define QIF_BTIME       (1 << QIF_BTIME_B)
+#define QIF_ITIME       (1 << QIF_ITIME_B)
+#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 {
+        __u64 dqb_bhardlimit;
+        __u64 dqb_bsoftlimit;
+        __u64 dqb_curspace;
+        __u64 dqb_ihardlimit;
+        __u64 dqb_isoftlimit;
+        __u64 dqb_curinodes;
+        __u64 dqb_btime;
+        __u64 dqb_itime;
+        __u32 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 {
+        __u64 dqi_bgrace;
+        __u64 dqi_igrace;
+        __u32 dqi_flags;
+        __u32 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,
+        __QUOTA_NL_C_MAX,
+};
+#define QUOTA_NL_C_MAX (__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,
+        __QUOTA_NL_A_MAX,
+};
+#define QUOTA_NL_A_MAX (__QUOTA_NL_A_MAX - 1)
+
+
+#endif /* _UAPI_LINUX_QUOTA_ */