/*
- * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2007 Apple Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_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.
+ * 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. 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.
*
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * 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@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
/*
*
* @(#)mount.h 8.21 (Berkeley) 5/20/95
*/
+/*
+ * NOTICE: This file was modified by SPARTA, Inc. in 2005 to introduce
+ * support for mandatory and extensible security protections. This notice
+ * is included in support of clause 2.2 (b) of the Apple Public License,
+ * Version 2.0.
+ */
+
#ifndef _SYS_MOUNT_H_
#define _SYS_MOUNT_H_
#include <sys/appleapiopts.h>
+#include <sys/cdefs.h>
+#include <sys/attr.h> /* needed for vol_capabilities_attr_t */
+
#ifndef KERNEL
+#include <stdint.h>
#include <sys/ucred.h>
+#include <sys/queue.h> /* XXX needed for user builds */
+#else
+#include <sys/kernel_types.h>
#endif
-#include <sys/queue.h>
-#include <sys/lock.h>
-#include <net/radix.h>
-#include <sys/socket.h> /* XXX for AF_MAX */
typedef struct fsid { int32_t val[2]; } fsid_t; /* file system id type */
-/*
- * File identifier.
- * These are unique per filesystem on a single machine.
- */
-#define MAXFIDSZ 16
-
-struct fid {
- u_short fid_len; /* length of data in bytes */
- u_short fid_reserved; /* force longword alignment */
- char fid_data[MAXFIDSZ]; /* data (variable length) */
-};
-
/*
* file system statistics
*/
#define MFSNAMELEN 15 /* length of fs type name, not inc. null */
+#define MFSTYPENAMELEN 16 /* length of fs type name including null */
#define MNAMELEN 90 /* length of buffer for returned name */
+#define __DARWIN_STRUCT_STATFS64 { \
+ uint32_t f_bsize; /* fundamental file system block size */ \
+ int32_t f_iosize; /* optimal transfer block size */ \
+ uint64_t f_blocks; /* total data blocks in file system */ \
+ uint64_t f_bfree; /* free blocks in fs */ \
+ uint64_t f_bavail; /* free blocks avail to non-superuser */ \
+ uint64_t f_files; /* total file nodes in file system */ \
+ uint64_t f_ffree; /* free file nodes in fs */ \
+ fsid_t f_fsid; /* file system id */ \
+ uid_t f_owner; /* user that mounted the filesystem */ \
+ uint32_t f_type; /* type of filesystem */ \
+ uint32_t f_flags; /* copy of mount exported flags */ \
+ uint32_t f_fssubtype; /* fs sub-type (flavor) */ \
+ char f_fstypename[MFSTYPENAMELEN]; /* fs type name */ \
+ char f_mntonname[MAXPATHLEN]; /* directory on which mounted */ \
+ char f_mntfromname[MAXPATHLEN]; /* mounted filesystem */ \
+ uint32_t f_reserved[8]; /* For future use */ \
+}
+
+struct statfs64 __DARWIN_STRUCT_STATFS64;
+
+#if __DARWIN_64_BIT_INO_T
+
+struct statfs __DARWIN_STRUCT_STATFS64;
+
+#else /* !__DARWIN_64_BIT_INO_T */
+
+/*
+ * LP64 - WARNING - must be kept in sync with struct user_statfs in mount_internal.h.
+ */
struct statfs {
short f_otype; /* TEMPORARY SHADOW COPY OF f_type */
short f_oflags; /* TEMPORARY SHADOW COPY OF f_flags */
uid_t f_owner; /* user that mounted the filesystem */
short f_reserved1; /* spare for later */
short f_type; /* type of filesystem */
- long f_flags; /* copy of mount exported flags */
+ long f_flags; /* copy of mount exported flags */
long f_reserved2[2]; /* reserved for future use */
char f_fstypename[MFSNAMELEN]; /* fs type name */
char f_mntonname[MNAMELEN]; /* directory on which mounted */
#endif
};
-#ifdef __APPLE_API_PRIVATE
+#endif /* __DARWIN_64_BIT_INO_T */
+
+#pragma pack(4)
+
+struct vfsstatfs {
+ uint32_t f_bsize; /* fundamental file system block size */
+ size_t f_iosize; /* optimal transfer block size */
+ uint64_t f_blocks; /* total data blocks in file system */
+ uint64_t f_bfree; /* free blocks in fs */
+ uint64_t f_bavail; /* free blocks avail to non-superuser */
+ uint64_t f_bused; /* free blocks avail to non-superuser */
+ uint64_t f_files; /* total file nodes in file system */
+ uint64_t f_ffree; /* free file nodes in fs */
+ fsid_t f_fsid; /* file system id */
+ uid_t f_owner; /* user that mounted the filesystem */
+ uint64_t f_flags; /* copy of mount exported flags */
+ char f_fstypename[MFSTYPENAMELEN];/* fs type name inclus */
+ char f_mntonname[MAXPATHLEN];/* directory on which mounted */
+ char f_mntfromname[MAXPATHLEN];/* mounted filesystem */
+ uint32_t f_fssubtype; /* fs sub-type (flavor) */
+ void *f_reserved[2]; /* For future use == 0 */
+};
+
+#pragma pack()
+
+#ifdef KERNEL
+/*
+ * Kernel level support for the VFS_GETATTR(), VFS_SETATTR() for use in
+ * implementation of filesystem KEXTs, and by the vfs_getattr() and
+ * vfs_setattr() KPIs.
+ */
+
+#define VFSATTR_INIT(s) ((s)->f_supported = (s)->f_active = 0LL)
+#define VFSATTR_SET_SUPPORTED(s, a) ((s)->f_supported |= VFSATTR_ ## a)
+#define VFSATTR_IS_SUPPORTED(s, a) ((s)->f_supported & VFSATTR_ ## a)
+#define VFSATTR_CLEAR_ACTIVE(s, a) ((s)->f_active &= ~VFSATTR_ ## a)
+#define VFSATTR_IS_ACTIVE(s, a) ((s)->f_active & VFSATTR_ ## a)
+#define VFSATTR_ALL_SUPPORTED(s) (((s)->f_active & (s)->f_supported) == (s)->f_active)
+#define VFSATTR_WANTED(s, a) ((s)->f_active |= VFSATTR_ ## a)
+#define VFSATTR_RETURN(s, a, x) do { (s)-> a = (x); VFSATTR_SET_SUPPORTED(s, a);} while(0)
+
+#define VFSATTR_f_objcount (1LL<< 0)
+#define VFSATTR_f_filecount (1LL<< 1)
+#define VFSATTR_f_dircount (1LL<< 2)
+#define VFSATTR_f_maxobjcount (1LL<< 3)
+#define VFSATTR_f_bsize (1LL<< 4)
+#define VFSATTR_f_iosize (1LL<< 5)
+#define VFSATTR_f_blocks (1LL<< 6)
+#define VFSATTR_f_bfree (1LL<< 7)
+#define VFSATTR_f_bavail (1LL<< 8)
+#define VFSATTR_f_bused (1LL<< 9)
+#define VFSATTR_f_files (1LL<< 10)
+#define VFSATTR_f_ffree (1LL<< 11)
+#define VFSATTR_f_fsid (1LL<< 12)
+#define VFSATTR_f_owner (1LL<< 13)
+#define VFSATTR_f_capabilities (1LL<< 14)
+#define VFSATTR_f_attributes (1LL<< 15)
+#define VFSATTR_f_create_time (1LL<< 16)
+#define VFSATTR_f_modify_time (1LL<< 17)
+#define VFSATTR_f_access_time (1LL<< 18)
+#define VFSATTR_f_backup_time (1LL<< 19)
+#define VFSATTR_f_fssubtype (1LL<< 20)
+#define VFSATTR_f_vol_name (1LL<< 21)
+#define VFSATTR_f_signature (1LL<< 22)
+#define VFSATTR_f_carbon_fsid (1LL<< 23)
+
/*
- * Structure per mounted file system. Each mounted file system has an
- * array of operations and an instance record. The file systems are
- * put on a doubly linked list.
+ * Argument structure.
*/
-LIST_HEAD(vnodelst, vnode);
-
-struct mount {
- CIRCLEQ_ENTRY(mount) mnt_list; /* mount list */
- struct vfsops *mnt_op; /* operations on fs */
- struct vfsconf *mnt_vfc; /* configuration info */
- struct vnode *mnt_vnodecovered; /* vnode we mounted on */
- struct vnodelst mnt_vnodelist; /* list of vnodes this mount */
- struct lock__bsd__ mnt_lock; /* mount structure lock */
- int mnt_flag; /* flags */
- int mnt_kern_flag; /* kernel only flags */
- 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 */
+#pragma pack(4)
+
+struct vfs_attr {
+ uint64_t f_supported;
+ uint64_t f_active;
+
+ uint64_t f_objcount; /* number of filesystem objects in volume */
+ uint64_t f_filecount; /* ... files */
+ uint64_t f_dircount; /* ... directories */
+ uint64_t f_maxobjcount; /* maximum number of filesystem objects */
+
+ uint32_t f_bsize; /* block size for the below size values */
+ size_t f_iosize; /* optimal transfer block size */
+ uint64_t f_blocks; /* total data blocks in file system */
+ uint64_t f_bfree; /* free blocks in fs */
+ uint64_t f_bavail; /* free blocks avail to non-superuser */
+ uint64_t f_bused; /* blocks in use */
+ uint64_t f_files; /* total file nodes in file system */
+ uint64_t f_ffree; /* free file nodes in fs */
+ fsid_t f_fsid; /* file system id */
+ uid_t f_owner; /* user that mounted the filesystem */
+
+ vol_capabilities_attr_t f_capabilities;
+ vol_attributes_attr_t f_attributes;
+
+ struct timespec f_create_time; /* creation time */
+ struct timespec f_modify_time; /* last modification time */
+ struct timespec f_access_time; /* time of last access */
+ struct timespec f_backup_time; /* last backup time */
+
+ uint32_t f_fssubtype; /* filesystem subtype */
+
+ char *f_vol_name; /* volume name */
+
+ uint16_t f_signature; /* used for ATTR_VOL_SIGNATURE, Carbon's FSVolumeInfo.signature */
+ uint16_t f_carbon_fsid; /* same as Carbon's FSVolumeInfo.filesystemID */
};
-#endif /* __APPLE_API_PRIVATE */
+
+#pragma pack()
+
+#endif /* KERNEL */
/*
* User specifiable flags.
#define MNT_NODEV 0x00000010 /* don't interpret special files */
#define MNT_UNION 0x00000020 /* union with underlying filesystem */
#define MNT_ASYNC 0x00000040 /* file system written asynchronously */
-#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.
*/
-#define MNT_EXRDONLY 0x00000080 /* exported read only */
#define MNT_EXPORTED 0x00000100 /* file system is exported */
-#define MNT_DEFEXPORTED 0x00000200 /* exported to the world */
-#define MNT_EXPORTANON 0x00000400 /* use anon uid mapping for everyone */
-#define MNT_EXKERB 0x00000800 /* exported with Kerberos uid mapping */
+
+/*
+ * MAC labeled / "quarantined" flag
+ */
+#define MNT_QUARANTINE 0x00000400 /* file system is quarantined */
/*
* Flags set by internal operations.
#define MNT_LOCAL 0x00001000 /* filesystem is stored locally */
#define MNT_QUOTA 0x00002000 /* quotas are enabled on filesystem */
#define MNT_ROOTFS 0x00004000 /* identifies the root filesystem */
-#define MNT_DOVOLFS 0x00008000 /* FS supports volfs */
-#define MNT_FIXEDSCRIPTENCODING 0x10000000 /* FS supports only fixed script encoding [HFS] */
+#define MNT_DOVOLFS 0x00008000 /* FS supports volfs (deprecated flag in Mac OS X 10.5) */
+
+
+#define MNT_DONTBROWSE 0x00100000 /* file system is not appropriate path to user data */
+#define MNT_IGNORE_OWNERSHIP 0x00200000 /* VFS will ignore ownership information on filesystem objects */
+#define MNT_AUTOMOUNTED 0x00400000 /* filesystem was mounted by automounter */
+#define MNT_JOURNALED 0x00800000 /* filesystem is journaled */
+#define MNT_NOUSERXATTR 0x01000000 /* Don't allow user extended attributes */
+#define MNT_DEFWRITE 0x02000000 /* filesystem should defer writes */
+#define MNT_MULTILABEL 0x04000000 /* MAC support for individual labels */
+#define MNT_NOATIME 0x10000000 /* disable update of file access time */
+
+/* backwards compatibility only */
+#define MNT_UNKNOWNPERMISSIONS MNT_IGNORE_OWNERSHIP
+
/*
* XXX I think that this could now become (~(MNT_CMDFLAGS))
*/
#define MNT_VISFLAGMASK (MNT_RDONLY | MNT_SYNCHRONOUS | MNT_NOEXEC | \
MNT_NOSUID | MNT_NODEV | MNT_UNION | \
- MNT_ASYNC | MNT_EXRDONLY | MNT_EXPORTED | \
- MNT_DEFEXPORTED | MNT_EXPORTANON| MNT_EXKERB | \
- MNT_LOCAL | MNT_QUOTA | \
+ MNT_ASYNC | MNT_EXPORTED | MNT_QUARANTINE | \
+ MNT_LOCAL | MNT_QUOTA | \
MNT_ROOTFS | MNT_DOVOLFS | MNT_DONTBROWSE | \
- MNT_UNKNOWNPERMISSIONS | MNT_AUTOMOUNTED | MNT_JOURNALED | MNT_FIXEDSCRIPTENCODING )
+ MNT_IGNORE_OWNERSHIP | MNT_AUTOMOUNTED | MNT_JOURNALED | \
+ MNT_NOUSERXATTR | MNT_DEFWRITE | MNT_MULTILABEL | MNT_NOATIME)
/*
* External filesystem command modifier flags.
* Unmount can use the MNT_FORCE flag.
* External filesystem control flags.
*/
#define MNT_UPDATE 0x00010000 /* not a real mount, just an update */
-#define MNT_DELEXPORT 0x00020000 /* delete export host lists */
#define MNT_RELOAD 0x00040000 /* reload filesystem data */
#define MNT_FORCE 0x00080000 /* force unmount or readonly change */
-#define MNT_CMDFLAGS (MNT_UPDATE|MNT_DELEXPORT|MNT_RELOAD|MNT_FORCE)
+#define MNT_CMDFLAGS (MNT_UPDATE|MNT_RELOAD|MNT_FORCE)
+
+
-/*
- * Internal filesystem control flags stored in mnt_kern_flag.
- *
- * MNTK_UNMOUNT locks the mount entry so that name lookup cannot proceed
- * 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 */
+#define VFS_SET_PACKAGE_EXTS 3 /* set package extension list */
/*
* Flags for various system call interfaces.
#define MNT_WAIT 1 /* synchronously wait for I/O to complete */
#define MNT_NOWAIT 2 /* start all I/O, but do not wait for it */
-/*
- * Generic file handle
- */
-struct fhandle {
- fsid_t fh_fsid; /* File system id of mount point */
- struct fid fh_fid; /* File sys specific id */
-};
-typedef struct fhandle fhandle_t;
-/*
- * Export arguments for local filesystem mount calls.
- */
-struct export_args {
- int ex_flags; /* export related flags */
- uid_t ex_root; /* mapping for root uid */
- struct ucred ex_anon; /* mapping for anonymous user */
- struct sockaddr *ex_addr; /* net address to which exported */
- int ex_addrlen; /* and the net address length */
- struct sockaddr *ex_mask; /* mask of valid bits in saddr */
- int ex_masklen; /* and the smask length */
-};
+#ifndef KERNEL
+struct mount;
+typedef struct mount * mount_t;
+struct vnode;
+typedef struct vnode * vnode_t;
+#endif
-#ifdef __APPLE_API_UNSTABLE
-/*
- * Filesystem configuration information. One of these exists for each
- * type of filesystem supported by the kernel. These are searched at
- * mount time to identify the requested filesystem.
- */
struct vfsconf {
struct vfsops *vfc_vfsops; /* filesystem operations vector */
char vfc_name[MFSNAMELEN]; /* filesystem type name */
int vfc_typenum; /* historic filesystem type number */
int vfc_refcount; /* number mounted of this type */
int vfc_flags; /* permanent flags */
- int (*vfc_mountroot)(void); /* if != NULL, routine to mount root */
+ int (*vfc_mountroot)(mount_t, vnode_t); /* if != NULL, routine to mount root */
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. */
u_int32_t vc_spare[12]; /* spare (must be zero). */
};
+
/* vfsidctl API version. */
#define VFS_CTL_VERS1 0x01
+#ifdef KERNEL
+
+/* LP64 version of vfsconf. all pointers
+ * grow when we're dealing with a 64-bit process.
+ * WARNING - keep in sync with vfsconf
+ */
+struct user_vfsconf {
+ user_addr_t vfc_vfsops; /* filesystem operations vector */
+ char vfc_name[MFSNAMELEN]; /* filesystem type name */
+ int vfc_typenum; /* historic filesystem type number */
+ int vfc_refcount; /* number mounted of this type */
+ int vfc_flags; /* permanent flags */
+ user_addr_t vfc_mountroot __attribute((aligned(8))); /* if != NULL, routine to mount root */
+ user_addr_t vfc_next; /* next in list */
+};
+
+struct user_vfsidctl {
+ int vc_vers; /* should be VFSIDCTL_VERS1 (below) */
+ fsid_t vc_fsid; /* fsid to operate on. */
+ user_addr_t vc_ptr __attribute((aligned(8))); /* pointer to data structure. */
+ user_size_t vc_len; /* sizeof said structure. */
+ u_int32_t vc_spare[12]; /* spare (must be zero). */
+};
+
+#endif /* KERNEL */
+
/*
* New style VFS sysctls, do not reuse/conflict with the namespace for
* private sysctls.
#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_ASSIST 0x0040 /* filesystem needs assistance from external program */
#define VQ_NOTRESPLOCK 0x0080 /* server lockd down */
-#define VQ_FLAG0100 0x0100 /* placeholder */
+#define VQ_UPDATE 0x0100 /* filesystem information has changed */
#define VQ_FLAG0200 0x0200 /* placeholder */
#define VQ_FLAG0400 0x0400 /* placeholder */
#define VQ_FLAG0800 0x0800 /* 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 */
-extern int numused_vfsslots; /* number of slots already used */
-int vfsconf_add __P((struct vfsconf *));
-int vfsconf_del __P((char *));
+/* Structure for setting device IO parameters per mount point */
+struct vfsioattr {
+ u_int32_t io_maxreadcnt; /* Max. byte count for read */
+ u_int32_t io_maxwritecnt; /* Max. byte count for write */
+ u_int32_t io_segreadcnt; /* Max. segment count for read */
+ u_int32_t io_segwritecnt; /* Max. segment count for write */
+ u_int32_t io_maxsegreadsize; /* Max. segment read size */
+ u_int32_t io_maxsegwritesize; /* Max. segment write size */
+ u_int32_t io_devblocksize; /* the underlying device block size */
+ u_int32_t io_flags; /* flags for underlying device */
+ void * io_reserved[2]; /* extended attribute information */
+};
+
+#define VFS_IOATTR_FLAGS_FUA 0x01 /* Write-through cache supported */
/*
- * Operations supported on mounted file system.
+ * Filesystem Registration information
*/
-#ifdef __STDC__
-struct nameidata;
-struct mbuf;
-#endif
+#define VFS_TBLTHREADSAFE 0x0001
+#define VFS_TBLFSNODELOCK 0x0002
+#define VFS_TBLNOTYPENUM 0x0008
+#define VFS_TBLLOCALVOL 0x0010
+#define VFS_TBL64BITREADY 0x0020
+#define VFS_TBLNATIVEXATTR 0x0040
+#define VFS_TBLDIRLINKS 0x0080
+#define VFS_TBLUNMOUNT_PREFLIGHT 0x0100 /* does a preflight check before unmounting */
+#define VFS_TBLGENERICMNTARGS 0x0200 /* force generic mount args for local fs */
+#define VFS_TBLREADDIR_EXTENDED 0x0400 /* fs supports VNODE_READDIR_EXTENDED */
+#define VFS_TBLNOMACLABEL 0x1000
+
+struct vfs_fsentry {
+ struct vfsops * vfe_vfsops; /* vfs operations */
+ int vfe_vopcnt; /* # of vnodeopv_desc being registered (reg, spec, fifo ...) */
+ struct vnodeopv_desc ** vfe_opvdescs; /* null terminated; */
+ int vfe_fstypenum; /* historic filesystem type number */
+ char vfe_fsname[MFSNAMELEN]; /* filesystem type name */
+ uint32_t vfe_flags; /* defines the FS capabilities */
+ void * vfe_reserv[2]; /* reserved for future use; set this to zero*/
+ };
+
+
struct vfsops {
- int (*vfs_mount) __P((struct mount *mp, char *path, caddr_t data,
- struct nameidata *ndp, struct proc *p));
- int (*vfs_start) __P((struct mount *mp, int flags,
- struct proc *p));
- int (*vfs_unmount) __P((struct mount *mp, int mntflags,
- struct proc *p));
- int (*vfs_root) __P((struct mount *mp, struct vnode **vpp));
- int (*vfs_quotactl) __P((struct mount *mp, int cmds, uid_t uid,
- caddr_t arg, struct proc *p));
- int (*vfs_statfs) __P((struct mount *mp, struct statfs *sbp,
- struct proc *p));
- int (*vfs_sync) __P((struct mount *mp, int waitfor,
- struct ucred *cred, struct proc *p));
- int (*vfs_vget) __P((struct mount *mp, void *ino,
- struct vnode **vpp));
- int (*vfs_fhtovp) __P((struct mount *mp, struct fid *fhp,
- struct mbuf *nam, struct vnode **vpp,
- int *exflagsp, struct ucred **credanonp));
- int (*vfs_vptofh) __P((struct vnode *vp, struct fid *fhp));
- int (*vfs_init) __P((struct vfsconf *));
- int (*vfs_sysctl) __P((int *, u_int, void *, size_t *, void *,
- size_t, struct proc *));
+ int (*vfs_mount)(struct mount *mp, vnode_t devvp, user_addr_t data, vfs_context_t context);
+ int (*vfs_start)(struct mount *mp, int flags, vfs_context_t context);
+ int (*vfs_unmount)(struct mount *mp, int mntflags, vfs_context_t context);
+ int (*vfs_root)(struct mount *mp, struct vnode **vpp, vfs_context_t context);
+ int (*vfs_quotactl)(struct mount *mp, int cmds, uid_t uid, caddr_t arg, vfs_context_t context);
+ int (*vfs_getattr)(struct mount *mp, struct vfs_attr *, vfs_context_t context);
+/* int (*vfs_statfs)(struct mount *mp, struct vfsstatfs *sbp, vfs_context_t context);*/
+ int (*vfs_sync)(struct mount *mp, int waitfor, vfs_context_t context);
+ int (*vfs_vget)(struct mount *mp, ino64_t ino, struct vnode **vpp, vfs_context_t context);
+ int (*vfs_fhtovp)(struct mount *mp, int fhlen, unsigned char *fhp, struct vnode **vpp,
+ vfs_context_t context);
+ int (*vfs_vptofh)(struct vnode *vp, int *fhlen, unsigned char *fhp, vfs_context_t context);
+ int (*vfs_init)(struct vfsconf *);
+ int (*vfs_sysctl)(int *, u_int, user_addr_t, size_t *, user_addr_t, size_t, vfs_context_t context);
+ int (*vfs_setattr)(struct mount *mp, struct vfs_attr *, vfs_context_t context);
+ void *vfs_reserved[7];
};
-#define VFS_MOUNT(MP, PATH, DATA, NDP, P) \
- (*(MP)->mnt_op->vfs_mount)(MP, PATH, DATA, NDP, P)
-#define VFS_START(MP, FLAGS, P) (*(MP)->mnt_op->vfs_start)(MP, FLAGS, P)
-#define VFS_UNMOUNT(MP, FORCE, P) (*(MP)->mnt_op->vfs_unmount)(MP, FORCE, P)
-#define VFS_ROOT(MP, VPP) (*(MP)->mnt_op->vfs_root)(MP, VPP)
-#define VFS_QUOTACTL(MP,C,U,A,P) (*(MP)->mnt_op->vfs_quotactl)(MP, C, U, A, P)
-#define VFS_STATFS(MP, SBP, P) (*(MP)->mnt_op->vfs_statfs)(MP, SBP, P)
-#define VFS_SYNC(MP, WAIT, C, P) (*(MP)->mnt_op->vfs_sync)(MP, WAIT, C, P)
-#define VFS_VGET(MP, INO, VPP) (*(MP)->mnt_op->vfs_vget)(MP, INO, VPP)
-#define VFS_FHTOVP(MP, FIDP, NAM, VPP, EXFLG, CRED) \
- (*(MP)->mnt_op->vfs_fhtovp)(MP, FIDP, NAM, VPP, EXFLG, CRED)
-#define VFS_VPTOFH(VP, FIDP) (*(VP)->v_mount->mnt_op->vfs_vptofh)(VP, FIDP)
/*
- * Network address lookup element
+ * flags passed into vfs_iterate
*/
-struct netcred {
- struct radix_node netc_rnodes[2];
- int netc_exflags;
- struct ucred netc_anon;
-};
/*
- * Network export information
+ * return values from callback
*/
-struct netexport {
- struct netcred ne_defexported; /* Default export */
- struct radix_node_head *ne_rtable[AF_MAX+1]; /* Individual exports */
-};
+#define VFS_RETURNED 0 /* done with vnode, reference can be dropped */
+#define VFS_RETURNED_DONE 1 /* done with vnode, reference can be dropped, terminate iteration */
+#define VFS_CLAIMED 2 /* don't drop reference */
+#define VFS_CLAIMED_DONE 3 /* don't drop reference, terminate iteration */
+
+
+__BEGIN_DECLS
+/*
+ * prototypes for exported VFS operations
+ */
+extern int VFS_MOUNT(mount_t, vnode_t, user_addr_t, vfs_context_t);
+extern int VFS_START(mount_t, int, vfs_context_t);
+extern int VFS_UNMOUNT(mount_t, int, vfs_context_t);
+extern int VFS_ROOT(mount_t, vnode_t *, vfs_context_t);
+extern int VFS_QUOTACTL(mount_t, int, uid_t, caddr_t, vfs_context_t);
+extern int VFS_GETATTR(mount_t, struct vfs_attr *, vfs_context_t);
+extern int VFS_SETATTR(mount_t, struct vfs_attr *, vfs_context_t);
+extern int VFS_SYNC(mount_t, int, vfs_context_t);
+extern int VFS_VGET(mount_t, ino64_t, vnode_t *, vfs_context_t);
+extern int VFS_FHTOVP(mount_t, int, unsigned char *, vnode_t *, vfs_context_t);
+extern int VFS_VPTOFH(vnode_t, int *, unsigned char *, vfs_context_t);
+
+/* The file system registrartion KPI */
+int vfs_fsadd(struct vfs_fsentry *, vfstable_t *);
+int vfs_fsremove(vfstable_t);
+int vfs_iterate(int, int (*)(struct mount *, void *), void *);
+
+uint64_t vfs_flags(mount_t);
+void vfs_setflags(mount_t, uint64_t);
+void vfs_clearflags(mount_t, uint64_t);
+
+int vfs_issynchronous(mount_t);
+int vfs_iswriteupgrade(mount_t);
+int vfs_isupdate(mount_t);
+int vfs_isreload(mount_t);
+int vfs_isforce(mount_t);
+int vfs_isrdonly(mount_t);
+int vfs_isrdwr(mount_t);
+int vfs_authopaque(mount_t);
+int vfs_authopaqueaccess(mount_t);
+void vfs_setauthopaque(mount_t);
+void vfs_setauthopaqueaccess(mount_t);
+void vfs_clearauthopaque(mount_t);
+void vfs_clearauthopaqueaccess(mount_t);
+int vfs_extendedsecurity(mount_t);
+void vfs_setextendedsecurity(mount_t);
+void vfs_clearextendedsecurity(mount_t);
+void vfs_setlocklocal(mount_t);
+int vfs_authcache_ttl(mount_t);
+void vfs_setauthcache_ttl(mount_t, int);
+void vfs_clearauthcache_ttl(mount_t);
+void vfs_markdependency(mount_t);
/*
- * exported vnode operations
+ * return value from vfs_cachedrights_ttl if
+ * neither MNTK_AUTH_OPAQUE | MNTK_AUTH_CACHE_TTL
+ * is set in mnt_kern_flag.. it indicates
+ * that no TTL is being applied to the vnode rights cache
*/
-int vfs_busy __P((struct mount *, int, struct slock *, struct proc *));
-int vfs_export __P((struct mount *, struct netexport *,
- struct export_args *));
-struct netcred *vfs_export_lookup __P((struct mount *, struct netexport *,
- struct mbuf *));
-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_unmountall __P((void));
-int safedounmount(struct mount *, int, struct proc *);
-int dounmount(struct mount *, int, struct proc *);
+#define CACHED_RIGHT_INFINITE_TTL ~0
+
+
+uint32_t vfs_maxsymlen(mount_t);
+void vfs_setmaxsymlen(mount_t, uint32_t);
+void * vfs_fsprivate(mount_t);
+void vfs_setfsprivate(mount_t, void *mntdata);
+
+struct vfsstatfs * vfs_statfs(mount_t);
+#define VFS_USER_EVENT 0
+#define VFS_KERNEL_EVENT 1
+int vfs_update_vfsstat(mount_t, vfs_context_t, int eventtype);
+int vfs_getattr(mount_t mp, struct vfs_attr *vfa, vfs_context_t ctx);
+int vfs_setattr(mount_t mp, struct vfs_attr *vfa, vfs_context_t ctx);
+
+int vfs_typenum(mount_t);
+void vfs_name(mount_t, char *);
+int vfs_devblocksize(mount_t);
+void vfs_ioattr(mount_t, struct vfsioattr *);
+void vfs_setioattr(mount_t, struct vfsioattr *);
+int vfs_64bitready(mount_t);
+
+
+#define LK_NOWAIT 1
+int vfs_busy(mount_t, int);
+void vfs_unbusy(mount_t);
+
+void vfs_getnewfsid(struct mount *);
+mount_t vfs_getvfs(fsid_t *);
+mount_t vfs_getvfs_by_mntonname(char *);
+int vfs_mountedon(struct vnode *);
+int vfs_unmountbyfsid(fsid_t *, int, vfs_context_t);
+
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;
+__END_DECLS
-#endif /* __APPLE_API_UNSTABLE */
-#else /* !KERNEL */
+#endif /* KERNEL */
+
+#ifndef KERNEL
+
+/*
+ * Generic file handle
+ */
+#define NFS_MAX_FH_SIZE NFSV4_MAX_FH_SIZE
+#define NFSV4_MAX_FH_SIZE 128
+#define NFSV3_MAX_FH_SIZE 64
+#define NFSV2_MAX_FH_SIZE 32
+struct fhandle {
+ int fh_len; /* length of file handle */
+ unsigned char fh_data[NFS_MAX_FH_SIZE]; /* file handle value */
+};
+typedef struct fhandle fhandle_t;
-#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 getmntinfo __P((struct statfs **, 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 *));
+int fhopen(const struct fhandle *, int);
+int fstatfs(int, struct statfs *) __DARWIN_INODE64(fstatfs);
+int fstatfs64(int, struct statfs64 *);
+int getfh(const char *, fhandle_t *);
+int getfsstat(struct statfs *, int, int) __DARWIN_INODE64(getfsstat);
+int getfsstat64(struct statfs64 *, int, int);
+int getmntinfo(struct statfs **, int) __DARWIN_INODE64(getmntinfo);
+int getmntinfo64(struct statfs64 **, int);
+int mount(const char *, const char *, int, void *);
+int statfs(const char *, struct statfs *) __DARWIN_INODE64(statfs);
+int statfs64(const char *, struct statfs64 *);
+int unmount(const char *, int);
+int getvfsbyname(const char *, struct vfsconf *);
__END_DECLS
#endif /* KERNEL */
projects / apple / xnu.git / blobdiff