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-rw-r--r--sys/kern/vfs_conf.c248
1 files changed, 248 insertions, 0 deletions
diff --git a/sys/kern/vfs_conf.c b/sys/kern/vfs_conf.c
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+++ b/sys/kern/vfs_conf.c
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+/*
+ * Copyright (c) 1989, 1993, 1995
+ * The Regents of the University of California. All rights reserved.
+ *
+ * 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. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. 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.
+ *
+ * @(#)vfs_conf.c 8.11 (Berkeley) 5/10/95
+ */
+
+#include <sys/param.h>
+#include <sys/mount.h>
+#include <sys/vnode.h>
+
+/*
+ * These define the root filesystem, device, and root filesystem type.
+ */
+struct mount *rootfs;
+struct vnode *rootvnode;
+int (*mountroot)() = NULL;
+
+/*
+ * Set up the initial array of known filesystem types.
+ */
+extern struct vfsops ufs_vfsops;
+extern int ffs_mountroot();
+extern struct vfsops lfs_vfsops;
+extern int lfs_mountroot();
+extern struct vfsops mfs_vfsops;
+extern int mfs_mountroot();
+extern struct vfsops cd9660_vfsops;
+extern int cd9660_mountroot();
+extern struct vfsops msdos_vfsops;
+extern struct vfsops adosfs_vfsops;
+extern struct vfsops nfs_vfsops;
+extern int nfs_mountroot();
+extern struct vfsops afs_vfsops;
+extern struct vfsops procfs_vfsops;
+extern struct vfsops null_vfsops;
+extern struct vfsops union_vfsops;
+extern struct vfsops umap_vfsops;
+extern struct vfsops portal_vfsops;
+extern struct vfsops fdesc_vfsops;
+extern struct vfsops kernfs_vfsops;
+
+/*
+ * Set up the filesystem operations for vnodes.
+ */
+static struct vfsconf vfsconflist[] = {
+
+ /* Fast Filesystem */
+#ifdef FFS
+ { &ufs_vfsops, "ufs", 1, 0, MNT_LOCAL, ffs_mountroot, NULL },
+#endif
+
+ /* Log-based Filesystem */
+#ifdef LFS
+ { &lfs_vfsops, "lfs", 5, 0, MNT_LOCAL, lfs_mountroot, NULL },
+#endif
+
+ /* Memory-based Filesystem */
+#ifdef MFS
+ { &mfs_vfsops, "mfs", 3, 0, MNT_LOCAL, mfs_mountroot, NULL },
+#endif
+
+ /* ISO9660 (aka CDROM) Filesystem */
+#ifdef CD9660
+ { &cd9660_vfsops, "cd9660", 14, 0, MNT_LOCAL, cd9660_mountroot, NULL },
+#endif
+
+ /* MSDOS Filesystem */
+#ifdef MSDOS
+ { &msdos_vfsops, "msdos", 4, 0, MNT_LOCAL, NULL, NULL },
+#endif
+
+ /* AmigaDOS Filesystem */
+#ifdef ADOSFS
+ { &adosfs_vfsops, "adosfs", 16, 0, MNT_LOCAL, NULL, NULL },
+#endif
+
+ /* Sun-compatible Network Filesystem */
+#ifdef NFS
+ { &nfs_vfsops, "nfs", 2, 0, 0, nfs_mountroot, NULL },
+#endif
+
+ /* Andrew Filesystem */
+#ifdef AFS
+ { &afs_vfsops, "andrewfs", 13, 0, 0, afs_mountroot, NULL },
+#endif
+
+ /* /proc Filesystem */
+#ifdef PROCFS
+ { &procfs_vfsops, "procfs", 12, 0, 0, NULL, NULL },
+#endif
+
+ /* Loopback (Minimal) Filesystem Layer */
+#ifdef NULLFS
+ { &null_vfsops, "loopback", 9, 0, 0, NULL, NULL },
+#endif
+
+ /* Union (translucent) Filesystem */
+#ifdef UNION
+ { &union_vfsops, "union", 15, 0, 0, NULL, NULL },
+#endif
+
+ /* User/Group Identifer Remapping Filesystem */
+#ifdef UMAPFS
+ { &umap_vfsops, "umap", 10, 0, 0, NULL, NULL },
+#endif
+
+ /* Portal Filesystem */
+#ifdef PORTAL
+ { &portal_vfsops, "portal", 8, 0, 0, NULL, NULL },
+#endif
+
+ /* File Descriptor Filesystem */
+#ifdef FDESC
+ { &fdesc_vfsops, "fdesc", 7, 0, 0, NULL, NULL },
+#endif
+
+ /* Kernel Information Filesystem */
+#ifdef KERNFS
+ { &kernfs_vfsops, "kernfs", 11, 0, 0, NULL, NULL },
+#endif
+
+};
+
+/*
+ * Initially the size of the list, vfs_init will set maxvfsconf
+ * to the highest defined type number.
+ */
+int maxvfsconf = sizeof(vfsconflist) / sizeof (struct vfsconf);
+struct vfsconf *vfsconf = vfsconflist;
+
+/*
+ *
+ * vfs_opv_descs enumerates the list of vnode classes, each with it's own
+ * vnode operation vector. It is consulted at system boot to build operation
+ * 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 lfs_vnodeop_opv_desc;
+extern struct vnodeopv_desc lfs_specop_opv_desc;
+extern struct vnodeopv_desc lfs_fifoop_opv_desc;
+extern struct vnodeopv_desc mfs_vnodeop_opv_desc;
+extern struct vnodeopv_desc dead_vnodeop_opv_desc;
+extern struct vnodeopv_desc fifo_vnodeop_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 portal_vnodeop_opv_desc;
+extern struct vnodeopv_desc null_vnodeop_opv_desc;
+extern struct vnodeopv_desc umap_vnodeop_opv_desc;
+extern struct vnodeopv_desc kernfs_vnodeop_opv_desc;
+extern struct vnodeopv_desc procfs_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;
+
+struct vnodeopv_desc *vfs_opv_descs[] = {
+ &ffs_vnodeop_opv_desc,
+ &ffs_specop_opv_desc,
+#ifdef FIFO
+ &ffs_fifoop_opv_desc,
+#endif
+ &dead_vnodeop_opv_desc,
+#ifdef FIFO
+ &fifo_vnodeop_opv_desc,
+#endif
+ &spec_vnodeop_opv_desc,
+#ifdef LFS
+ &lfs_vnodeop_opv_desc,
+ &lfs_specop_opv_desc,
+#ifdef FIFO
+ &lfs_fifoop_opv_desc,
+#endif
+#endif
+#ifdef MFS
+ &mfs_vnodeop_opv_desc,
+#endif
+#ifdef NFS
+ &nfsv2_vnodeop_opv_desc,
+ &spec_nfsv2nodeop_opv_desc,
+#ifdef FIFO
+ &fifo_nfsv2nodeop_opv_desc,
+#endif
+#endif
+#ifdef FDESC
+ &fdesc_vnodeop_opv_desc,
+#endif
+#ifdef PORTAL
+ &portal_vnodeop_opv_desc,
+#endif
+#ifdef NULLFS
+ &null_vnodeop_opv_desc,
+#endif
+#ifdef UMAPFS
+ &umap_vnodeop_opv_desc,
+#endif
+#ifdef KERNFS
+ &kernfs_vnodeop_opv_desc,
+#endif
+#ifdef PROCFS
+ &procfs_vnodeop_opv_desc,
+#endif
+#ifdef CD9660
+ &cd9660_vnodeop_opv_desc,
+ &cd9660_specop_opv_desc,
+#ifdef FIFO
+ &cd9660_fifoop_opv_desc,
+#endif
+#endif
+#ifdef UNION
+ &union_vnodeop_opv_desc,
+#endif
+ NULL
+};
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-04 18:25:46 +0000