/*
- * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
- *
- * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ *
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* Please see the License for the specific language governing rights and
* limitations under the License.
*
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* Copyright (c) 1982, 1986, 1993
#define _SYS_QUOTA_H
#include <sys/appleapiopts.h>
+#include <sys/cdefs.h>
+#ifdef KERNEL_PRIVATE
+#include <kern/locks.h>
+#endif
+
+#include <mach/boolean.h>
#ifdef __APPLE_API_UNSTABLE
/*
u_int32_t dqh_maxentries; /* must be a power of 2 */
u_int32_t dqh_entrycnt; /* count of active entries */
u_int32_t dqh_flags; /* reserved for now (0) */
- time_t dqh_chktime; /* time of last quota check */
- time_t dqh_btime; /* time limit for excessive disk use */
- time_t dqh_itime; /* time limit for excessive files */
+ u_int32_t dqh_chktime; /* time of last quota check */
+ u_int32_t dqh_btime; /* time limit for excessive disk use */
+ u_int32_t dqh_itime; /* time limit for excessive files */
char dqh_string[16]; /* tag string */
u_int32_t dqh_spare[4]; /* pad struct to power of 2 */
};
u_int32_t dqb_ihardlimit; /* maximum # allocated inodes + 1 */
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 */
+ u_int32_t dqb_btime; /* time limit for excessive disk use */
+ u_int32_t dqb_itime; /* time limit for excessive files */
u_int32_t dqb_id; /* identifier (0 for empty entries) */
u_int32_t dqb_spare[4]; /* pad struct to power of 2 */
};
+#ifdef KERNEL_PRIVATE
+#include <machine/types.h> /* user_time_t */
+/* LP64 version of struct dqblk. time_t is a long and must grow when
+ * we're dealing with a 64-bit process.
+ * WARNING - keep in sync with struct dqblk
+ */
+
+struct user_dqblk {
+ u_int64_t dqb_bhardlimit; /* absolute limit on disk bytes alloc */
+ u_int64_t dqb_bsoftlimit; /* preferred limit on disk bytes */
+ u_int64_t dqb_curbytes; /* current byte count */
+ u_int32_t dqb_ihardlimit; /* maximum # allocated inodes + 1 */
+ u_int32_t dqb_isoftlimit; /* preferred inode limit */
+ u_int32_t dqb_curinodes; /* current # allocated inodes */
+ u_int32_t dqb_btime; /* time limit for excessive disk use */
+ u_int32_t dqb_itime; /* time limit for excessive files */
+ u_int32_t dqb_id; /* identifier (0 for empty entries) */
+ u_int32_t dqb_spare[4]; /* pad struct to power of 2 */
+};
+#endif /* KERNEL_PRIVATE */
#define INITQMAGICS { \
0xff31ff35, /* USRQUOTA */ \
* golden ratio to the machine's word size.
*/
#define dqhash1(id, shift, mask) \
- ((((id) * 2654435761UL) >> (shift)) & (mask))
+ ((((id) * 2654435761U) >> (shift)) & (mask))
#define dqhash2(id, mask) \
(dqhash1((id), 11, (mask)>>1) | 1)
* Compute the hash shift value.
* It is the word size, in bits, minus the hash table size, in bits.
*/
-static __inline int dqhashshift(u_long);
+static __inline int dqhashshift(u_int32_t);
static __inline int
-dqhashshift(u_long size)
+dqhashshift(u_int32_t size)
{
int shift;
#ifndef KERNEL
-
-#include <sys/cdefs.h>
-
__BEGIN_DECLS
-int quotactl __P((char *, int, int, caddr_t));
+int quotactl(const char *, int, int, caddr_t);
__END_DECLS
#endif /* !KERNEL */
-#ifdef KERNEL
+#ifdef KERNEL_PRIVATE
#include <sys/queue.h>
-/*
- * Macros to avoid subroutine calls to trivial functions.
- */
-#if DIAGNOSTIC
-#define DQREF(dq) dqref(dq)
-#else
-#define DQREF(dq) (dq)->dq_cnt++
-#endif
/* Quota file info
*/
struct quotafile {
+ lck_mtx_t qf_lock; /* quota file mutex */
struct vnode *qf_vp; /* quota file vnode */
- struct ucred *qf_cred; /* quota file access cred */
+ kauth_cred_t qf_cred; /* quota file access cred */
int qf_shift; /* primary hash shift */
int qf_maxentries; /* size of hash table (power of 2) */
- int qf_entrycnt; /* count of active entries */
- time_t qf_btime; /* block quota time limit */
- time_t qf_itime; /* inode quota time limit */
+ int qf_entrycnt; /* count of active entries */
+ u_int32_t qf_btime; /* block quota time limit */
+ u_int32_t qf_itime; /* inode quota time limit */
+
+ /* the following 2 fields are protected */
+ /* by the quota list lock */
char qf_qflags; /* quota specific flags */
+ int qf_refcnt; /* count of dquot refs on this file */
};
/*
* Flags describing the runtime state of quotas.
* (in qf_qflags)
*/
-#define QTF_OPENING 0x01 /* Q_QUOTAON in progress */
+#define QTF_OPENING 0x01 /* Q_QUOTAON in progress */
#define QTF_CLOSING 0x02 /* Q_QUOTAOFF in progress */
+#define QTF_WANTED 0x04 /* waiting for change of state */
/*
LIST_ENTRY(dquot) dq_hash; /* hash list */
TAILQ_ENTRY(dquot) dq_freelist; /* free list */
u_int16_t dq_flags; /* flags, see below */
- u_int16_t dq_cnt; /* count of active references */
- u_int16_t dq_spare; /* unused spare padding */
+ u_int16_t dq_cnt_unused; /* Replaced by dq_cnt below */
+ u_int16_t dq_lflags; /* protected by the quota list lock */
u_int16_t dq_type; /* quota type of this dquot */
u_int32_t dq_id; /* identifier this applies to */
u_int32_t dq_index; /* index into quota file */
struct quotafile *dq_qfile; /* quota file that this is taken from */
struct dqblk dq_dqb; /* actual usage & quotas */
+ uint32_t dq_cnt; /* count of active references */
};
+
/*
- * Flag values.
+ * dq_lflags values
*/
-#define DQ_LOCK 0x01 /* this quota locked (no MODS) */
-#define DQ_WANT 0x02 /* wakeup on unlock */
-#define DQ_MOD 0x04 /* this quota modified since read */
-#define DQ_FAKE 0x08 /* no limits here, just usage */
-#define DQ_BLKS 0x10 /* has been warned about blk limit */
-#define DQ_INODS 0x20 /* has been warned about inode limit */
+#define DQ_LLOCK 0x01 /* this quota locked (no MODS) */
+#define DQ_LWANT 0x02 /* wakeup on unlock */
+
+/*
+ * dq_flags values
+ */
+#define DQ_MOD 0x01 /* this quota modified since read */
+#define DQ_FAKE 0x02 /* no limits here, just usage */
+#define DQ_BLKS 0x04 /* has been warned about blk limit */
+#define DQ_INODS 0x08 /* has been warned about inode limit */
+
/*
* Shorthand notation.
*/
#define CHOWN 0x02 /* (advisory) change initiated by chown */
+#ifdef XNU_KERNEL_PRIVATE
/*
* Functions that manage the in-core dquot and the
* on-disk dqblk data structures.
*/
__BEGIN_DECLS
+void dqfileinit(struct quotafile *);
int dqfileopen(struct quotafile *, int);
void dqfileclose(struct quotafile *, int);
void dqflush(struct vnode *);
-int dqget(struct vnode *, u_long, struct quotafile *, int, struct dquot **);
+int dqget(u_int32_t, struct quotafile *, int, struct dquot **);
+void dqhashinit(void);
void dqinit(void);
+int dqisinitialized(void);
void dqref(struct dquot *);
-void dqrele(struct vnode *, struct dquot *);
-void dqreclaim(struct vnode *, struct dquot *);
-int dqsync(struct vnode *, struct dquot *);
+void dqrele(struct dquot *);
+void dqreclaim(struct dquot *);
+int dqsync(struct dquot *);
void dqsync_orphans(struct quotafile *);
+void dqlock(struct dquot *);
+void dqunlock(struct dquot *);
+
+int qf_get(struct quotafile *, int type);
+void qf_put(struct quotafile *, int type);
+
+__private_extern__ void munge_dqblk(struct dqblk *dqblkp, struct user_dqblk *user_dqblkp, boolean_t to64);
__END_DECLS
+#endif /* XNU_KERNEL_PRIVATE */
-#endif /* KERNEL */
+#endif /* KERNEL_PRIVATE */
#endif /* __APPLE_API_UNSTABLE */
projects / apple / xnu.git / blobdiff