xref: /csrg-svn/sys/kern/vfs_conf.c (revision 69377)

/*
 * Copyright (c) 1989, 1993, 1995
 *	The Regents of the University of California.  All rights reserved.
 *
 * %sccs.include.redist.c%
 *
 *	@(#)vfs_conf.c	8.11 (Berkeley) 05/10/95
 */

#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
};