/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
*
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * 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.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
*
* @APPLE_LICENSE_HEADER_END@
*/
#ifndef _SYS_MOUNT_H_
#define _SYS_MOUNT_H_
+#include <sys/appleapiopts.h>
#ifndef KERNEL
#include <sys/ucred.h>
#endif
#endif
};
+#ifdef __APPLE_API_PRIVATE
/*
* Structure per mounted file system. Each mounted file system has an
* array of operations and an instance record. The file systems are
int mnt_maxsymlinklen; /* max size of short symlink */
struct statfs mnt_stat; /* cache of filesystem stats */
qaddr_t mnt_data; /* private data */
+ /* Cached values of the IO constraints for the device */
+ union {
+ u_int32_t mntu_maxreadcnt; /* Max. byte count for read */
+ void *mntu_xinfo_ptr; /* points at extended IO constraints */
+ } mnt_un; /* if MNTK_IO_XINFO is set */
+#define mnt_maxreadcnt mnt_un.mntu_maxreadcnt
+#define mnt_xinfo_ptr mnt_un.mntu_xinfo_ptr
+ u_int32_t mnt_maxwritecnt; /* Max. byte count for write */
+ u_int16_t mnt_segreadcnt; /* Max. segment count for read */
+ u_int16_t mnt_segwritecnt; /* Max. segment count for write */
};
+#endif /* __APPLE_API_PRIVATE */
/*
* User specifiable flags.
#define MNT_DONTBROWSE 0x00100000 /* file system is not appropriate path to user data */
#define MNT_UNKNOWNPERMISSIONS 0x00200000 /* no known mapping for uid/gid in permissions information on disk */
#define MNT_AUTOMOUNTED 0x00400000 /* filesystem was mounted by automounter */
+#define MNT_JOURNALED 0x00800000 /* filesystem is journaled */
/*
* NFS export related mount flags.
MNT_DEFEXPORTED | MNT_EXPORTANON| MNT_EXKERB | \
MNT_LOCAL | MNT_QUOTA | \
MNT_ROOTFS | MNT_DOVOLFS | MNT_DONTBROWSE | \
- MNT_UNKNOWNPERMISSIONS | MNT_AUTOMOUNTED | MNT_FIXEDSCRIPTENCODING )
+ MNT_UNKNOWNPERMISSIONS | MNT_AUTOMOUNTED | MNT_JOURNALED | MNT_FIXEDSCRIPTENCODING )
/*
* External filesystem command modifier flags.
* Unmount can use the MNT_FORCE flag.
* past the mount point. This keeps the subtree stable during mounts
* and unmounts.
*/
+#define MNTK_VIRTUALDEV 0x00200000 /* mounted on a virtual device i.e. a disk image */
+#define MNTK_ROOTDEV 0x00400000 /* this filesystem resides on the same device as the root */
+#define MNTK_IO_XINFO 0x00800000 /* mnt_un.mntu_ioptr has a malloc associated with it */
#define MNTK_UNMOUNT 0x01000000 /* unmount in progress */
#define MNTK_MWAIT 0x02000000 /* waiting for unmount to finish */
#define MNTK_WANTRDWR 0x04000000 /* upgrade to read/write requested */
#if REV_ENDIAN_FS
#define MNT_REVEND 0x08000000 /* Reverse endian FS */
#endif /* REV_ENDIAN_FS */
+#define MNTK_FRCUNMOUNT 0x10000000 /* Forced unmount wanted. */
/*
* Sysctl CTL_VFS definitions.
*
#define VFS_MAXTYPENUM 1 /* int: highest defined filesystem type */
#define VFS_CONF 2 /* struct: vfsconf for filesystem given
as next argument */
+#define VFS_FMOD_WATCH 3 /* block waiting for the next modified file */
+#define VFS_FMOD_WATCH_ENABLE 4 /* 1==enable, 0==disable */
+
/*
* Flags for various system call interfaces.
*
int ex_masklen; /* and the smask length */
};
+#ifdef __APPLE_API_UNSTABLE
/*
* Filesystem configuration information. One of these exists for each
* type of filesystem supported by the kernel. These are searched at
struct vfsconf *vfc_next; /* next in list */
};
+#endif /*__APPLE_API_UNSTABLE */
+
+struct vfsidctl {
+ int vc_vers; /* should be VFSIDCTL_VERS1 (below) */
+ fsid_t vc_fsid; /* fsid to operate on. */
+ void *vc_ptr; /* pointer to data structure. */
+ size_t vc_len; /* sizeof said structure. */
+ u_int32_t vc_spare[12]; /* spare (must be zero). */
+};
+
+/* vfsidctl API version. */
+#define VFS_CTL_VERS1 0x01
+
+/*
+ * New style VFS sysctls, do not reuse/conflict with the namespace for
+ * private sysctls.
+ */
+#define VFS_CTL_STATFS 0x00010001 /* statfs */
+#define VFS_CTL_UMOUNT 0x00010002 /* unmount */
+#define VFS_CTL_QUERY 0x00010003 /* anything wrong? (vfsquery) */
+#define VFS_CTL_NEWADDR 0x00010004 /* reconnect to new address */
+#define VFS_CTL_TIMEO 0x00010005 /* set timeout for vfs notification */
+
+struct vfsquery {
+ u_int32_t vq_flags;
+ u_int32_t vq_spare[31];
+};
+
+/* vfsquery flags */
+#define VQ_NOTRESP 0x0001 /* server down */
+#define VQ_NEEDAUTH 0x0002 /* server bad auth */
+#define VQ_LOWDISK 0x0004 /* we're low on space */
+#define VQ_MOUNT 0x0008 /* new filesystem arrived */
+#define VQ_UNMOUNT 0x0010 /* filesystem has left */
+#define VQ_DEAD 0x0020 /* filesystem is dead, needs force unmount */
+#define VQ_ASSIST 0x0040 /* filesystem needs assistance from external
+ program */
+#define VQ_FLAG0080 0x0080 /* placeholder */
+#define VQ_FLAG0100 0x0100 /* placeholder */
+#define VQ_FLAG0200 0x0200 /* placeholder */
+#define VQ_FLAG0400 0x0400 /* placeholder */
+#define VQ_FLAG0800 0x0800 /* placeholder */
+#define VQ_FLAG1000 0x1000 /* placeholder */
+#define VQ_FLAG2000 0x2000 /* placeholder */
+#define VQ_FLAG4000 0x4000 /* placeholder */
+#define VQ_FLAG8000 0x8000 /* placeholder */
+
#ifdef KERNEL
+/* Point a sysctl request at a vfsidctl's data. */
+#define VCTLTOREQ(vc, req) \
+ do { \
+ (req)->newptr = (vc)->vc_ptr; \
+ (req)->newlen = (vc)->vc_len; \
+ (req)->newidx = 0; \
+ } while (0)
+#endif
+#ifdef KERNEL
+#ifdef __APPLE_API_UNSTABLE
extern int maxvfsconf; /* highest defined filesystem type */
extern struct vfsconf *vfsconf; /* head of list of filesystem types */
extern int maxvfsslots; /* Maximum slots available to be used */
void vfs_getnewfsid __P((struct mount *));
struct mount *vfs_getvfs __P((fsid_t *));
int vfs_mountedon __P((struct vnode *));
+void vfs_unbusy __P((struct mount *, struct proc *));
+#ifdef __APPLE_API_PRIVATE
int vfs_mountroot __P((void));
int vfs_rootmountalloc __P((char *, char *, struct mount **));
-void vfs_unbusy __P((struct mount *, struct proc *));
void vfs_unmountall __P((void));
+int safedounmount(struct mount *, int, struct proc *);
+int dounmount(struct mount *, int, struct proc *);
+void vfs_event_signal(fsid_t *, u_int32_t, intptr_t);
+void vfs_event_init(void);
+#endif /* __APPLE_API_PRIVATE */
extern CIRCLEQ_HEAD(mntlist, mount) mountlist;
extern struct slock mountlist_slock;
+#endif /* __APPLE_API_UNSTABLE */
#else /* !KERNEL */
#include <sys/cdefs.h>
__BEGIN_DECLS
+int fhopen __P((const struct fhandle *, int));
int fstatfs __P((int, struct statfs *));
int getfh __P((const char *, fhandle_t *));
int getfsstat __P((struct statfs *, long, int));
int mount __P((const char *, const char *, int, void *));
int statfs __P((const char *, struct statfs *));
int unmount __P((const char *, int));
+int getvfsbyname __P((const char *, struct vfsconf *));
__END_DECLS
#endif /* KERNEL */
projects / apple / xnu.git / blobdiff