diff options
Diffstat (limited to 'sys/kern/vfs_conf.c')
| -rw-r--r-- | sys/kern/vfs_conf.c | 260 |
1 files changed, 260 insertions, 0 deletions
diff --git a/sys/kern/vfs_conf.c b/sys/kern/vfs_conf.c new file mode 100644 index 0000000..2fe39eb --- /dev/null +++ b/sys/kern/vfs_conf.c @@ -0,0 +1,260 @@ +/* + * Copyright (c) 1989, 1993 + * 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 8.8 (Berkeley) 3/31/94 + */ + +#include <sys/param.h> +#include <sys/mount.h> +#include <sys/vnode.h> + +#ifdef FFS +#include <ufs/ffs/ffs_extern.h> + +/* + * This specifies the filesystem used to mount the root. + * This specification should be done by /etc/config. + */ +int (*mountroot)() = ffs_mountroot; +#endif + +/* + * These define the root filesystem and device. + */ +struct mount *rootfs; +struct vnode *rootvnode; + +/* + * Set up the filesystem operations for vnodes. + * The types are defined in mount.h. + */ +#ifdef FFS +extern struct vfsops ufs_vfsops; +#define UFS_VFSOPS &ufs_vfsops +#else +#define UFS_VFSOPS NULL +#endif + +#ifdef LFS +extern struct vfsops lfs_vfsops; +#define LFS_VFSOPS &lfs_vfsops +#else +#define LFS_VFSOPS NULL +#endif + +#ifdef MFS +extern struct vfsops mfs_vfsops; +#define MFS_VFSOPS &mfs_vfsops +#else +#define MFS_VFSOPS NULL +#endif + +#ifdef NFS +extern struct vfsops nfs_vfsops; +#define NFS_VFSOPS &nfs_vfsops +#else +#define NFS_VFSOPS NULL +#endif + +#ifdef FDESC +extern struct vfsops fdesc_vfsops; +#define FDESC_VFSOPS &fdesc_vfsops +#else +#define FDESC_VFSOPS NULL +#endif + +#ifdef PORTAL +extern struct vfsops portal_vfsops; +#define PORTAL_VFSOPS &portal_vfsops +#else +#define PORTAL_VFSOPS NULL +#endif + +#ifdef NULLFS +extern struct vfsops null_vfsops; +#define NULL_VFSOPS &null_vfsops +#else +#define NULL_VFSOPS NULL +#endif + +#ifdef UMAPFS +extern struct vfsops umap_vfsops; +#define UMAP_VFSOPS &umap_vfsops +#else +#define UMAP_VFSOPS NULL +#endif + +#ifdef KERNFS +extern struct vfsops kernfs_vfsops; +#define KERNFS_VFSOPS &kernfs_vfsops +#else +#define KERNFS_VFSOPS NULL +#endif + +#ifdef PROCFS +extern struct vfsops procfs_vfsops; +#define PROCFS_VFSOPS &procfs_vfsops +#else +#define PROCFS_VFSOPS NULL +#endif + +#ifdef AFS +extern struct vfsops afs_vfsops; +#define AFS_VFSOPS &afs_vfsops +#else +#define AFS_VFSOPS NULL +#endif + +#ifdef CD9660 +extern struct vfsops cd9660_vfsops; +#define CD9660_VFSOPS &cd9660_vfsops +#else +#define CD9660_VFSOPS NULL +#endif + +#ifdef UNION +extern struct vfsops union_vfsops; +#define UNION_VFSOPS &union_vfsops +#else +#define UNION_VFSOPS NULL +#endif + +struct vfsops *vfssw[] = { + NULL, /* 0 = MOUNT_NONE */ + UFS_VFSOPS, /* 1 = MOUNT_UFS */ + NFS_VFSOPS, /* 2 = MOUNT_NFS */ + MFS_VFSOPS, /* 3 = MOUNT_MFS */ + NULL, /* 4 = MOUNT_PC */ + LFS_VFSOPS, /* 5 = MOUNT_LFS */ + NULL, /* 6 = MOUNT_LOFS */ + FDESC_VFSOPS, /* 7 = MOUNT_FDESC */ + PORTAL_VFSOPS, /* 8 = MOUNT_PORTAL */ + NULL_VFSOPS, /* 9 = MOUNT_NULL */ + UMAP_VFSOPS, /* 10 = MOUNT_UMAP */ + KERNFS_VFSOPS, /* 11 = MOUNT_KERNFS */ + PROCFS_VFSOPS, /* 12 = MOUNT_PROCFS */ + AFS_VFSOPS, /* 13 = MOUNT_AFS */ + CD9660_VFSOPS, /* 14 = MOUNT_CD9660 */ + UNION_VFSOPS, /* 15 = MOUNT_UNION */ + 0 +}; + + +/* + * + * 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 +}; |
