xnu-1456.1.26.tar.gz

[apple/xnu.git] / bsd / vfs / vfs_conf.c

diff --git a/bsd/vfs/vfs_conf.c b/bsd/vfs/vfs_conf.c
index 3b83965b03407872035bb81247b3e229e5854d80..467eb00b2a0d4efb9bf413ed33745a7bd651c846 100644 (file)
--- a/bsd/vfs/vfs_conf.c
+++ b/bsd/vfs/vfs_conf.c
@@ -1,16 +1,19 @@
 /*
 /*

- * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2007 Apple 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
  * 
  * 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
  * 
  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER


@@ -20,7 +23,7 @@
  * Please see the License for the specific language governing rights and
  * limitations under the License.
  * 
  * 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 */
 /*
  */
 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
 /*


@@ -57,122 +60,130 @@
  *
  *     @(#)vfs_conf.c  8.11 (Berkeley) 5/10/95
  */
  *
  *     @(#)vfs_conf.c  8.11 (Berkeley) 5/10/95
  */

+/*
+ * 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.
+ */

 
 #include <sys/param.h>
 #include <sys/systm.h>
 
 #include <sys/param.h>
 #include <sys/systm.h>

-#include <sys/mount.h>
-#include <sys/vnode.h>
+#include <sys/mount_internal.h>
+#include <sys/vnode_internal.h>
+
+#ifndef __LP64__ 
+#define VFS_THREAD_SAFE_FLAG VFC_VFSTHREADSAFE /* This is only defined for 32-bit */
+#else 
+#define VFS_THREAD_SAFE_FLAG 0
+#endif /* __LP64__  */
+

 
 /*
  * These define the root filesystem, device, and root filesystem type.
  */
 struct mount *rootfs;
 struct vnode *rootvnode;
 
 /*
  * These define the root filesystem, device, and root filesystem type.
  */
 struct mount *rootfs;
 struct vnode *rootvnode;

-int (*mountroot)() = NULL;
+int (*mountroot)(void) = NULL;

 
 /*
  * Set up the initial array of known filesystem types.
  */
 
 /*
  * Set up the initial array of known filesystem types.
  */

-extern struct vfsops ufs_vfsops;
-extern int ffs_mountroot();

 extern struct vfsops mfs_vfsops;
 extern struct vfsops mfs_vfsops;

-extern int mfs_mountroot();
+extern int mfs_mountroot(mount_t, vnode_t, vfs_context_t);     /* dead */

 extern  struct vfsops hfs_vfsops;
 extern  struct vfsops hfs_vfsops;

-extern int hfs_mountroot();
-extern  struct vfsops volfs_vfsops;
-extern struct vfsops cd9660_vfsops;
-extern int cd9660_mountroot();
+extern int hfs_mountroot(mount_t, vnode_t, vfs_context_t);

 extern struct vfsops nfs_vfsops;
 extern struct vfsops nfs_vfsops;

-extern int nfs_mountroot();
+extern int nfs_mountroot(void);

 extern struct vfsops afs_vfsops;
 extern struct vfsops null_vfsops;
 extern struct vfsops union_vfsops;
 extern struct vfsops afs_vfsops;
 extern struct vfsops null_vfsops;
 extern struct vfsops union_vfsops;

-extern struct vfsops fdesc_vfsops;

 extern struct vfsops devfs_vfsops;
 
 extern struct vfsops devfs_vfsops;
 

+/*
+ * For nfs_mountroot(void) cast.  nfs_mountroot ignores its parameters, if
+ * invoked through this table.
+ */
+typedef int (*mountroot_t)(mount_t, vnode_t, vfs_context_t);
+

 /*
  * Set up the filesystem operations for vnodes.
  */
 /*
  * Set up the filesystem operations for vnodes.
  */

-static struct vfsconf vfsconflist[] = {
+static struct vfstable vfstbllist[] = {

        /* HFS/HFS+ Filesystem */
 #if HFS
        /* HFS/HFS+ Filesystem */
 #if HFS

-       { &hfs_vfsops, "hfs", 17, 0, MNT_LOCAL | MNT_DOVOLFS, hfs_mountroot, NULL },
-#endif
-
-       /* Fast Filesystem */
-#if FFS
-       { &ufs_vfsops, "ufs", 1, 0, MNT_LOCAL, ffs_mountroot, NULL },
-#endif
-
-       /* ISO9660 (aka CDROM) Filesystem */
-#if CD9660
-       { &cd9660_vfsops, "cd9660", 14, 0, MNT_LOCAL | MNT_DOVOLFS, cd9660_mountroot, NULL },
+       { &hfs_vfsops, "hfs", 17, 0, (MNT_LOCAL | MNT_DOVOLFS), hfs_mountroot, NULL, 0, 0, VFC_VFSLOCALARGS | VFC_VFSREADDIR_EXTENDED | VFS_THREAD_SAFE_FLAG | VFC_VFS64BITREADY | VFC_VFSVNOP_PAGEOUTV2, NULL, 0},

 #endif
 
        /* Memory-based Filesystem */
 #endif
 
        /* Memory-based Filesystem */

+
+#ifndef __LP64__

 #if MFS
 #if MFS

-       { &mfs_vfsops, "mfs", 3, 0, MNT_LOCAL, mfs_mountroot, NULL },
+       { &mfs_vfsops, "mfs", 3, 0, MNT_LOCAL, mfs_mountroot, NULL, 0, 0, VFC_VFSGENERICARGS, NULL, 0},

 #endif
 #endif

+#endif /* __LP64__ */

 
        /* Sun-compatible Network Filesystem */
 #if NFSCLIENT
 
        /* Sun-compatible Network Filesystem */
 #if NFSCLIENT

-       { &nfs_vfsops, "nfs", 2, 0, 0, nfs_mountroot, NULL },
+       { &nfs_vfsops, "nfs", 2, 0, 0, NULL, NULL, 0, 0, VFC_VFSGENERICARGS | VFC_VFSPREFLIGHT | VFS_THREAD_SAFE_FLAG | VFC_VFS64BITREADY | VFC_VFSREADDIR_EXTENDED, NULL, 0},

 #endif
 
        /* Andrew Filesystem */
 #endif
 
        /* Andrew Filesystem */

+#ifndef __LP64__

 #if AFS
 #if AFS

-       { &afs_vfsops, "andrewfs", 13, 0, 0, afs_mountroot, NULL },
+       { &afs_vfsops, "andrewfs", 13, 0, 0, afs_mountroot, NULL, 0, 0, VFC_VFSGENERICARGS , NULL, 0},

 #endif
 #endif

+#endif /* __LP64__ */

 
        /* Loopback (Minimal) Filesystem Layer */
 
        /* Loopback (Minimal) Filesystem Layer */

+#ifndef __LP64__

 #if NULLFS
 #if NULLFS

-       { &null_vfsops, "loopback", 9, 0, 0, NULL, NULL },
+       { &null_vfsops, "loopback", 9, 0, 0, NULL, NULL, 0, 0, VFC_VFSGENERICARGS , NULL, 0},

 #endif
 #endif

+#endif /* __LP64__ */

 
        /* Union (translucent) Filesystem */
 #if UNION
 
        /* Union (translucent) Filesystem */
 #if UNION

-       { &union_vfsops, "union", 15, 0, 0, NULL, NULL },
-#endif
-
-       /* File Descriptor Filesystem */
-#if FDESC
-       { &fdesc_vfsops, "fdesc", 7, 0, 0, NULL, NULL },
-#endif
-
-       /* Volume ID Filesystem */
-#if VOLFS
-       { &volfs_vfsops, "volfs", 18, 0, 0, NULL, NULL },
+       { &union_vfsops, "unionfs", 15, 0, 0, NULL, NULL, 0, 0, VFC_VFSGENERICARGS | VFS_THREAD_SAFE_FLAG | VFC_VFS64BITREADY, NULL, 0},

 #endif
 
        /* Device Filesystem */
 #if DEVFS
 #endif
 
        /* Device Filesystem */
 #if DEVFS

-       { &devfs_vfsops, "devfs", 19, 0, 0, NULL, NULL },
+#if CONFIG_MACF
+       { &devfs_vfsops, "devfs", 19, 0, (MNT_DONTBROWSE | MNT_MULTILABEL), NULL, NULL, 0, 0, VFC_VFSGENERICARGS | VFS_THREAD_SAFE_FLAG | VFC_VFS64BITREADY, NULL, 0},
+#else
+       { &devfs_vfsops, "devfs", 19, 0, MNT_DONTBROWSE, NULL, NULL, 0, 0, VFC_VFSGENERICARGS | VFS_THREAD_SAFE_FLAG | VFC_VFS64BITREADY, NULL, 0},
+#endif /* MAC */

 #endif
 
 #endif
 

-       {0},
-       {0},
-       {0},
-       {0},
-       {0},
-       {0},
-       {0},
-       {0},
-       {0},
-       {0},
-       {0},
-       {0},
-       {0},
-       {0}
+#ifndef __LP64__
+#endif /* __LP64__ */
+
+       {NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0},
+       {NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0},
+       {NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0},
+       {NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0},
+       {NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0},
+       {NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0},
+       {NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0},
+       {NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0},
+       {NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0},
+       {NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0},
+       {NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0},
+       {NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0},
+       {NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0},
+       {NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0},
+       {NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0}

 };
 
 /*
  * Initially the size of the list, vfs_init will set maxvfsconf
  * to the highest defined type number.
  */
 };
 
 /*
  * Initially the size of the list, vfs_init will set maxvfsconf
  * to the highest defined type number.
  */

-int maxvfsslots = sizeof(vfsconflist) / sizeof (struct vfsconf);
+int maxvfsslots = sizeof(vfstbllist) / sizeof (struct vfstable);

 int numused_vfsslots = 0;
 int numused_vfsslots = 0;

-int maxvfsconf = sizeof(vfsconflist) / sizeof (struct vfsconf);
-struct vfsconf *vfsconf = vfsconflist;
+int maxvfsconf = sizeof(vfstbllist) / sizeof (struct vfstable);
+struct vfstable *vfsconf = vfstbllist;

 
 /*
  *
 
 /*
  *


@@ -181,37 +192,34 @@ struct vfsconf *vfsconf = vfsconflist;
  * vectors.  It is NULL terminated.
  *
  */
  * vectors.  It is NULL terminated.
  *
  */

-extern struct vnodeopv_desc ffs_vnodeop_opv_desc;
-extern struct vnodeopv_desc ffs_specop_opv_desc;
-extern struct vnodeopv_desc ffs_fifoop_opv_desc;

 extern struct vnodeopv_desc mfs_vnodeop_opv_desc;
 extern struct vnodeopv_desc dead_vnodeop_opv_desc;
 extern struct vnodeopv_desc mfs_vnodeop_opv_desc;
 extern struct vnodeopv_desc dead_vnodeop_opv_desc;

+#if FIFO && SOCKETS

 extern struct vnodeopv_desc fifo_vnodeop_opv_desc;
 extern struct vnodeopv_desc fifo_vnodeop_opv_desc;

+#endif /* SOCKETS */

 extern struct vnodeopv_desc spec_vnodeop_opv_desc;
 extern struct vnodeopv_desc nfsv2_vnodeop_opv_desc;
 extern struct vnodeopv_desc spec_nfsv2nodeop_opv_desc;
 extern struct vnodeopv_desc fifo_nfsv2nodeop_opv_desc;
 extern struct vnodeopv_desc spec_vnodeop_opv_desc;
 extern struct vnodeopv_desc nfsv2_vnodeop_opv_desc;
 extern struct vnodeopv_desc spec_nfsv2nodeop_opv_desc;
 extern struct vnodeopv_desc fifo_nfsv2nodeop_opv_desc;

-extern struct vnodeopv_desc fdesc_vnodeop_opv_desc;
+extern struct vnodeopv_desc nfsv4_vnodeop_opv_desc;
+extern struct vnodeopv_desc spec_nfsv4nodeop_opv_desc;
+extern struct vnodeopv_desc fifo_nfsv4nodeop_opv_desc;

 extern struct vnodeopv_desc null_vnodeop_opv_desc;
 extern struct vnodeopv_desc hfs_vnodeop_opv_desc;
 extern struct vnodeopv_desc null_vnodeop_opv_desc;
 extern struct vnodeopv_desc hfs_vnodeop_opv_desc;

+extern struct vnodeopv_desc hfs_std_vnodeop_opv_desc;

 extern struct vnodeopv_desc hfs_specop_opv_desc;
 extern struct vnodeopv_desc hfs_fifoop_opv_desc;
 extern struct vnodeopv_desc hfs_specop_opv_desc;
 extern struct vnodeopv_desc hfs_fifoop_opv_desc;

-extern struct vnodeopv_desc volfs_vnodeop_opv_desc;
-extern struct vnodeopv_desc cd9660_vnodeop_opv_desc;
-extern struct vnodeopv_desc cd9660_specop_opv_desc;
-extern struct vnodeopv_desc cd9660_fifoop_opv_desc;

 extern struct vnodeopv_desc union_vnodeop_opv_desc;
 extern struct vnodeopv_desc devfs_vnodeop_opv_desc;
 extern struct vnodeopv_desc devfs_spec_vnodeop_opv_desc;
 extern struct vnodeopv_desc union_vnodeop_opv_desc;
 extern struct vnodeopv_desc devfs_vnodeop_opv_desc;
 extern struct vnodeopv_desc devfs_spec_vnodeop_opv_desc;

+#if FDESC
+extern struct vnodeopv_desc devfs_devfd_vnodeop_opv_desc;
+extern struct vnodeopv_desc devfs_fdesc_vnodeop_opv_desc;
+#endif /* FDESC */

 
 struct vnodeopv_desc *vfs_opv_descs[] = {
 
 struct vnodeopv_desc *vfs_opv_descs[] = {

-       &ffs_vnodeop_opv_desc,
-       &ffs_specop_opv_desc,
-#if FIFO
-       &ffs_fifoop_opv_desc,
-#endif

        &dead_vnodeop_opv_desc,
        &dead_vnodeop_opv_desc,

-#if FIFO
+#if FIFO && SOCKETS

        &fifo_vnodeop_opv_desc,
 #endif
        &spec_vnodeop_opv_desc,
        &fifo_vnodeop_opv_desc,
 #endif
        &spec_vnodeop_opv_desc,


@@ -221,39 +229,34 @@ struct vnodeopv_desc *vfs_opv_descs[] = {
 #if NFSCLIENT
        &nfsv2_vnodeop_opv_desc,
        &spec_nfsv2nodeop_opv_desc,
 #if NFSCLIENT
        &nfsv2_vnodeop_opv_desc,
        &spec_nfsv2nodeop_opv_desc,

+       &nfsv4_vnodeop_opv_desc,
+       &spec_nfsv4nodeop_opv_desc,

 #if FIFO
        &fifo_nfsv2nodeop_opv_desc,
 #if FIFO
        &fifo_nfsv2nodeop_opv_desc,

+       &fifo_nfsv4nodeop_opv_desc,

 #endif
 #endif
 #endif
 #endif

-#if FDESC
-       &fdesc_vnodeop_opv_desc,
-#endif

 #if NULLFS
        &null_vnodeop_opv_desc,
 #endif
 #if HFS
        &hfs_vnodeop_opv_desc,
 #if NULLFS
        &null_vnodeop_opv_desc,
 #endif
 #if HFS
        &hfs_vnodeop_opv_desc,

+       &hfs_std_vnodeop_opv_desc,

        &hfs_specop_opv_desc,
 #if FIFO
        &hfs_fifoop_opv_desc,
 #endif
 #endif
        &hfs_specop_opv_desc,
 #if FIFO
        &hfs_fifoop_opv_desc,
 #endif
 #endif

-#if CD9660
-       &cd9660_vnodeop_opv_desc,
-       &cd9660_specop_opv_desc,
-#if FIFO
-       &cd9660_fifoop_opv_desc,
-#endif
-#endif

 #if UNION
        &union_vnodeop_opv_desc,
 #endif
 #if UNION
        &union_vnodeop_opv_desc,
 #endif

-#if VOLFS
-       &volfs_vnodeop_opv_desc,
-#endif

 #if DEVFS
        &devfs_vnodeop_opv_desc,
        &devfs_spec_vnodeop_opv_desc,
 #if DEVFS
        &devfs_vnodeop_opv_desc,
        &devfs_spec_vnodeop_opv_desc,

-#endif
+#if FDESC
+       &devfs_devfd_vnodeop_opv_desc,
+       &devfs_fdesc_vnodeop_opv_desc,
+#endif /* FDESC */
+#endif /* DEVFS */

        NULL
 };
        NULL
 };