--- /dev/null
+/*
+ * Copyright (c) 2000-2006 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
+ * 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
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * 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_OSREFERENCE_LICENSE_HEADER_END@
+ */
+/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
+/*
+ * Copyright (c) 1992, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * This code is derived from software donated to Berkeley by
+ * Jan-Simon Pendry.
+ *
+ * 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.
+ *
+ * @(#)fdesc_vnops.c 8.17 (Berkeley) 5/22/95
+ *
+ */
+
+/*
+ * /dev/fd Filesystem
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/proc_internal.h>
+#include <sys/kernel.h> /* boottime */
+#include <sys/resourcevar.h>
+#include <sys/filedesc.h>
+#include <sys/kauth.h>
+#include <sys/vnode_internal.h>
+#include <sys/malloc.h>
+#include <sys/file_internal.h>
+#include <sys/stat.h>
+#include <sys/mount_internal.h>
+#include <sys/namei.h>
+#include <sys/dirent.h>
+#include <sys/ubc.h>
+#include <sys/socketvar.h>
+#include <sys/pipe.h>
+#include <sys/uio_internal.h>
+#include <vfs/vfs_support.h>
+#include <pexpert/pexpert.h>
+#include <miscfs/devfs/fdesc.h>
+#include <miscfs/devfs/devfs.h>
+#include <miscfs/devfs/devfsdefs.h>
+
+/* XXX should be prototyped in header for here, kern_descrip.c */
+extern int soo_stat(struct socket *so, void *ub, int isstat64);
+
+#define FDL_WANT 0x01
+#define FDL_LOCKED 0x02
+static int fdcache_lock;
+
+
+#if (FD_STDIN != FD_STDOUT-1) || (FD_STDOUT != FD_STDERR-1)
+FD_STDIN, FD_STDOUT, FD_STDERR must be a sequence n, n+1, n+2
+#endif
+
+#define NFDCACHE 3
+
+#define FD_NHASH(ix) \
+ (&fdhashtbl[(ix) & fdhash])
+LIST_HEAD(fdhashhead, fdescnode) *fdhashtbl;
+u_long fdhash;
+
+static int fdesc_attr(int fd, struct vnode_attr *vap, vfs_context_t a_context);
+
+lck_mtx_t fdesc_mtx;
+lck_grp_t *fdesc_lckgrp;
+
+static void
+fdesc_lock(void)
+{
+ lck_mtx_lock(&fdesc_mtx);
+}
+
+static void
+fdesc_unlock(void)
+{
+ lck_mtx_unlock(&fdesc_mtx);
+}
+
+
+/*
+ * Initialise cache headers, create the devfs node
+ */
+int
+devfs_fdesc_init()
+{
+ int error = 0;
+ devnode_t *rootdir = dev_root->de_dnp;
+ devdirent_t *direntp;
+
+ /* XXX Make sure you have the right path... */
+ fdhashtbl = hashinit(NFDCACHE, M_CACHE, &fdhash);
+ fdesc_lckgrp = lck_grp_alloc_init("fdesc", NULL);
+ lck_mtx_init(&fdesc_mtx, fdesc_lckgrp, NULL);
+
+ DEVFS_LOCK();
+ dev_add_entry("fd", rootdir, DEV_DEVFD, NULL, NULL, NULL, &direntp);
+ devfs_fdesc_makelinks();
+ DEVFS_UNLOCK();
+
+ return(error);
+}
+
+/*
+ * Called during early startup, no need to synchronize
+ */
+int
+devfs_fdesc_makelinks()
+{
+ int error = 0;
+ devdirent_t *stdin_ent = NULL, *stdout_ent = NULL, *stderr_ent = NULL;
+ devnode_t *root_devnode = dev_root->de_dnp;
+
+ /* We do this ugliness to get around some "const" warnings */
+ char in[] = "stdin";
+ char out[] = "stdout";
+ char err[] = "stderr";
+ char zero[] = "fd/0";
+ char one[] = "fd/1";
+ char two[] = "fd/2";
+
+ if ((error = devfs_make_symlink(root_devnode, in, 0555, zero, &stdin_ent))) {
+ printf("Couldn't make stdin, err %d.\n", error);
+ goto bad;
+ }
+
+ if ((error = devfs_make_symlink(root_devnode, out, 0555, one, &stdout_ent))) {
+ printf("Couldn't make stdout, err %d.\n", error);
+ goto bad;
+ }
+
+ if ((error = devfs_make_symlink(root_devnode, err, 0555, two, &stderr_ent))) {
+ printf("Couldn't make stderr, err %d.\n", error);
+ goto bad;
+ }
+
+ return 0;
+
+bad:
+ if (stdin_ent) {
+ dev_free_name(stdin_ent);
+ }
+ if (stdout_ent) {
+ dev_free_name(stdout_ent);
+ }
+ if (stderr_ent) {
+ dev_free_name(stderr_ent);
+ }
+
+ return error;
+}
+
+int
+fdesc_allocvp(fdntype ftype, int ix, struct mount *mp, struct vnode **vpp, enum vtype vtype, int fdno)
+{
+ struct fdhashhead *fc;
+ struct fdescnode *fd;
+ int error = 0;
+ int vid = 0;
+ struct vnode_fsparam vfsp;
+
+ fdesc_lock();
+
+ fc = FD_NHASH(ix);
+loop:
+ for (fd = fc->lh_first; fd != 0; fd = fd->fd_hash.le_next) {
+ if (fd->fd_ix == ix && vnode_mount(fd->fd_vnode) == mp) {
+ vid = vnode_vid(fd->fd_vnode);
+ fdesc_unlock();
+
+ if (vnode_getwithvid(fd->fd_vnode, vid))
+ goto loop;
+
+ *vpp = fd->fd_vnode;
+ (*vpp)->v_type = vtype;
+
+ return (error);
+ }
+ }
+
+ /* Only one thread can add to the hash at a time */
+ if (fdcache_lock & FDL_LOCKED) {
+ fdcache_lock |= FDL_WANT;
+ msleep((caddr_t) &fdcache_lock, &fdesc_mtx, PINOD, "fdesc_allocvp", NULL);
+ goto loop;
+ }
+
+ fdcache_lock |= FDL_LOCKED;
+ fdesc_unlock();
+
+ MALLOC(fd, void *, sizeof(struct fdescnode), M_TEMP, M_WAITOK);
+
+ vfsp.vnfs_mp = mp;
+ vfsp.vnfs_vtype = vtype;
+ vfsp.vnfs_str = "fdesc";
+ vfsp.vnfs_dvp = NULL;
+ vfsp.vnfs_fsnode = fd;
+ vfsp.vnfs_cnp = NULL;
+ vfsp.vnfs_vops = fdesc_vnodeop_p;
+ vfsp.vnfs_rdev = 0;
+ vfsp.vnfs_filesize = 0;
+ vfsp.vnfs_flags = VNFS_NOCACHE | VNFS_CANTCACHE;
+ vfsp.vnfs_marksystem = 0;
+ vfsp.vnfs_markroot = 0;
+
+ error = vnode_create(VNCREATE_FLAVOR, VCREATESIZE, &vfsp, vpp);
+ if (error) {
+ FREE(fd, M_TEMP);
+ fdesc_lock();
+ goto out;
+ }
+
+ (*vpp)->v_tag = VT_FDESC;
+ fd->fd_vnode = *vpp;
+ fd->fd_type = ftype;
+ fd->fd_fd = -1;
+ fd->fd_link = NULL;
+ fd->fd_ix = ix;
+ fd->fd_fd = fdno;
+
+ fdesc_lock();
+
+ LIST_INSERT_HEAD(fc, fd, fd_hash);
+out:
+ /* Hold the lock when we get here */
+ fdcache_lock &= ~FDL_LOCKED;
+
+ if (fdcache_lock & FDL_WANT) {
+ fdcache_lock &= ~FDL_WANT;
+ wakeup((caddr_t) &fdcache_lock);
+ }
+
+ fdesc_unlock();
+
+ return (error);
+}
+
+/*
+ * vp is the current namei directory
+ * ndp is the name to locate in that directory...
+ *
+ * This vnop should only be called on the special directory /dev/fd.
+ */
+int
+devfs_devfd_lookup(struct vnop_lookup_args *ap)
+{
+ struct vnode **vpp = ap->a_vpp;
+ struct vnode *dvp = ap->a_dvp;
+ struct componentname *cnp = ap->a_cnp;
+ char *pname = cnp->cn_nameptr;
+ struct proc *p = vfs_context_proc(ap->a_context);
+ int numfiles = p->p_fd->fd_nfiles;
+ int fd;
+ int error;
+ struct vnode *fvp;
+
+ if (cnp->cn_namelen == 1 && *pname == '.') {
+ *vpp = dvp;
+
+ if ( (error = vnode_get(dvp)) ) {
+ return(error);
+ }
+ return (0);
+ }
+
+ fd = 0;
+ while (*pname >= '0' && *pname <= '9') {
+ fd = 10 * fd + *pname++ - '0';
+ if (fd >= numfiles)
+ break;
+ }
+
+ if (*pname != '\0') {
+ error = ENOENT;
+ goto bad;
+ }
+
+ if (fd < 0 || fd >= numfiles ||
+ *fdfile(p, fd) == NULL ||
+ (*fdflags(p, fd) & UF_RESERVED)) {
+ error = EBADF;
+ goto bad;
+ }
+
+ error = fdesc_allocvp(Fdesc, FD_DESC+fd, dvp->v_mount, &fvp, VNON, fd);
+ if (error)
+ goto bad;
+ *vpp = fvp;
+ return (0);
+
+bad:
+ *vpp = NULL;
+ return (error);
+}
+
+int
+fdesc_open(struct vnop_open_args *ap)
+{
+ struct vnode *vp = ap->a_vp;
+ thread_t thr = vfs_context_thread(ap->a_context);
+ uthread_t uu;
+ int error = 0;
+
+ if (thr == NULL)
+ return (EINVAL);
+
+ uu = get_bsdthread_info(thr);
+
+ switch (VTOFDESC(vp)->fd_type) {
+ case Fdesc:
+ /*
+ * XXX Kludge: set uu->uu_dupfd to contain the value of the
+ * the file descriptor being sought for duplication. The error
+ * return ensures that the vnode for this device will be
+ * released by vn_open. Open will detect this special error and
+ * take the actions in dupfdopen. Other callers of vn_open or
+ * vnop_open will simply report the error.
+ */
+ uu->uu_dupfd = VTOFDESC(vp)->fd_fd; /* XXX */
+ error = ENODEV;
+ break;
+ default:
+ panic("Invalid type for fdesc node!");
+ break;
+ }
+
+ return (error);
+}
+
+static int
+fdesc_attr(int fd, struct vnode_attr *vap, vfs_context_t a_context)
+{
+ struct fileproc *fp;
+ struct proc *p = vfs_context_proc(a_context);
+ struct stat stb;
+ int error;
+
+ if ((error = fp_lookup(p, fd, &fp, 0)))
+ return (error);
+ switch (fp->f_fglob->fg_type) {
+ case DTYPE_VNODE:
+ if((error = vnode_getwithref((struct vnode *) fp->f_fglob->fg_data)) != 0) {
+ break;
+ }
+ if ((error = vnode_authorize((struct vnode *)fp->f_fglob->fg_data,
+ NULL,
+ KAUTH_VNODE_READ_ATTRIBUTES | KAUTH_VNODE_READ_SECURITY,
+ a_context)) == 0)
+ error = vnode_getattr((struct vnode *)fp->f_fglob->fg_data, vap, a_context);
+ if (error == 0 && vap->va_type == VDIR) {
+ /*
+ * directories can cause loops in the namespace,
+ * so turn off the 'x' bits to avoid trouble.
+ *
+ * XXX ACLs break this, of course
+ */
+ vap->va_mode &= ~((VEXEC)|(VEXEC>>3)|(VEXEC>>6));
+ }
+ (void)vnode_put((struct vnode *) fp->f_fglob->fg_data);
+ break;
+
+ case DTYPE_SOCKET:
+ case DTYPE_PIPE:
+#if SOCKETS
+ if (fp->f_fglob->fg_type == DTYPE_SOCKET)
+ error = soo_stat((struct socket *)fp->f_fglob->fg_data, (void *)&stb, 0);
+ else
+#endif /* SOCKETS */
+ error = pipe_stat((struct pipe *)fp->f_fglob->fg_data, (void *)&stb, 0);
+
+ if (error == 0) {
+ if (fp->f_fglob->fg_type == DTYPE_SOCKET)
+ VATTR_RETURN(vap, va_type, VSOCK);
+ else
+ VATTR_RETURN(vap, va_type, VFIFO);
+
+ VATTR_RETURN(vap, va_mode, stb.st_mode);
+ VATTR_RETURN(vap, va_nlink, stb.st_nlink);
+ VATTR_RETURN(vap, va_uid, stb.st_uid);
+ VATTR_RETURN(vap, va_gid, stb.st_gid);
+ VATTR_RETURN(vap, va_fsid, stb.st_dev);
+ VATTR_RETURN(vap, va_fileid, stb.st_ino);
+ VATTR_RETURN(vap, va_data_size, stb.st_size);
+ VATTR_RETURN(vap, va_access_time, stb.st_atimespec);
+ VATTR_RETURN(vap, va_modify_time, stb.st_mtimespec);
+ VATTR_RETURN(vap, va_change_time, stb.st_ctimespec);
+ VATTR_RETURN(vap, va_gen, stb.st_gen);
+ VATTR_RETURN(vap, va_flags, stb.st_flags);
+ VATTR_RETURN(vap, va_rdev, stb.st_rdev);
+ VATTR_RETURN(vap, va_total_alloc, stb.st_blocks * stb.st_blksize);
+ VATTR_RETURN(vap, va_acl, NULL);
+ }
+ break;
+
+ default:
+ error = EBADF;
+ }
+
+ fp_drop(p, fd, fp, 0);
+ return (error);
+}
+
+int
+fdesc_getattr(struct vnop_getattr_args *ap)
+{
+ struct vnode *vp = ap->a_vp;
+ struct vnode_attr *vap = ap->a_vap;
+ unsigned fd;
+ int error = 0;
+
+ switch (VTOFDESC(vp)->fd_type) {
+ case Fdesc:
+ fd = VTOFDESC(vp)->fd_fd;
+ error = fdesc_attr(fd, vap, ap->a_context);
+ break;
+
+ default:
+ panic("Invalid type for an fdesc node!\n");
+ break;
+ }
+
+ /*
+ * Yes, we do this without locking, but this value is always just
+ * a snapshot.
+ */
+ if (error == 0) {
+ vp->v_type = vap->va_type;
+
+ /* We need an inactive to reset type to VNON */
+ vnode_setneedinactive(vp);
+ }
+
+ return (error);
+}
+
+int
+fdesc_setattr(struct vnop_setattr_args *ap)
+{
+ struct fileproc *fp;
+ unsigned fd;
+ int error;
+ struct proc * p = vfs_context_proc(ap->a_context);
+
+ /*
+ * Can't mess with the root vnode
+ */
+ switch (VTOFDESC(ap->a_vp)->fd_type) {
+ case Fdesc:
+ break;
+ default:
+ panic("Invalid type for an fdesc node!\n");
+ return (EACCES);
+ }
+
+ fd = VTOFDESC(ap->a_vp)->fd_fd;
+ if ((error = fp_lookup(vfs_context_proc(ap->a_context), fd, &fp, 0)))
+ return (error);
+
+ /*
+ * Can setattr the underlying vnode, but not sockets!
+ */
+ switch (fp->f_fglob->fg_type) {
+ case DTYPE_VNODE:
+ {
+ if ((error = vnode_getwithref((struct vnode *) fp->f_fglob->fg_data)) != 0)
+ break;
+ error = vnode_setattr((struct vnode *) fp->f_fglob->fg_data, ap->a_vap, ap->a_context);
+ (void)vnode_put((struct vnode *) fp->f_fglob->fg_data);
+ break;
+ }
+
+ case DTYPE_SOCKET:
+ case DTYPE_PIPE:
+ error = 0;
+ break;
+
+ default:
+ kprintf("fp->f_fglob->fg_type = %d\n", fp->f_fglob->fg_type);
+ error = EBADF;
+ break;
+ }
+
+ fp_drop(p, fd, fp, 0);
+ return (error);
+}
+
+#define UIO_MX 16
+
+/*
+static struct dirtmp {
+ u_int32_t d_fileno;
+ u_short d_reclen;
+ u_short d_namlen;
+ char d_name[8];
+} rootent[] = {
+ { FD_DEVFD, UIO_MX, 2, "fd" },
+ { FD_STDIN, UIO_MX, 5, "stdin" },
+ { FD_STDOUT, UIO_MX, 6, "stdout" },
+ { FD_STDERR, UIO_MX, 6, "stderr" },
+ { 0, 0, 0, "" }
+};
+*/
+
+/* Only called on /dev/fd */
+int
+devfs_devfd_readdir(struct vnop_readdir_args *ap)
+{
+ struct uio *uio = ap->a_uio;
+ struct proc *p = current_proc();
+ int i, error;
+
+ /*
+ * We don't allow exporting fdesc mounts, and currently local
+ * requests do not need cookies.
+ */
+ if (ap->a_flags & (VNODE_READDIR_EXTENDED | VNODE_READDIR_REQSEEKOFF))
+ return (EINVAL);
+
+ i = uio->uio_offset / UIO_MX;
+ error = 0;
+ while (uio_resid(uio) > 0) {
+ if (i >= p->p_fd->fd_nfiles)
+ break;
+
+ if (*fdfile(p, i) != NULL && !(*fdflags(p, i) & UF_RESERVED)) {
+ struct dirent d;
+ struct dirent *dp = &d;
+
+ bzero((caddr_t) dp, UIO_MX);
+
+ dp->d_namlen = snprintf(dp->d_name, sizeof(dp->d_name),
+ "%d", i);
+ dp->d_reclen = UIO_MX;
+ dp->d_type = DT_UNKNOWN;
+ dp->d_fileno = i + FD_STDIN;
+ /*
+ * And ship to userland
+ */
+ error = uiomove((caddr_t) dp, UIO_MX, uio);
+ if (error)
+ break;
+ }
+ i++;
+ }
+
+ uio->uio_offset = i * UIO_MX;
+ return (error);
+}
+
+int
+fdesc_read(__unused struct vnop_read_args *ap)
+{
+ return (ENOTSUP);
+}
+
+int
+fdesc_write(__unused struct vnop_write_args *ap)
+{
+ return (ENOTSUP);
+}
+
+int
+fdesc_ioctl(__unused struct vnop_ioctl_args *ap)
+{
+ return (ENOTSUP);
+}
+
+int
+fdesc_select(__unused struct vnop_select_args *ap)
+{
+ return (ENOTSUP);
+}
+
+int
+fdesc_inactive(struct vnop_inactive_args *ap)
+{
+ struct vnode *vp = ap->a_vp;
+
+ /*
+ * Clear out the v_type field to avoid
+ * nasty things happening in vgone().
+ */
+ vp->v_type = VNON;
+
+ return (0);
+}
+
+int
+fdesc_reclaim(struct vnop_reclaim_args *ap)
+{
+ struct vnode *vp = ap->a_vp;
+ struct fdescnode *fd = VTOFDESC(vp);
+
+ fdesc_lock();
+
+ LIST_REMOVE(fd, fd_hash);
+ FREE(vp->v_data, M_TEMP);
+ vp->v_data = NULL;
+
+ fdesc_unlock();
+
+ return (0);
+}
+
+/*
+ * Return POSIX pathconf information applicable to special devices.
+ */
+int
+fdesc_pathconf(struct vnop_pathconf_args *ap)
+{
+
+ switch (ap->a_name) {
+ case _PC_LINK_MAX:
+ *ap->a_retval = LINK_MAX;
+ return (0);
+ case _PC_MAX_CANON:
+ *ap->a_retval = MAX_CANON;
+ return (0);
+ case _PC_MAX_INPUT:
+ *ap->a_retval = MAX_INPUT;
+ return (0);
+ case _PC_PIPE_BUF:
+ *ap->a_retval = PIPE_BUF;
+ return (0);
+ case _PC_CHOWN_RESTRICTED:
+ *ap->a_retval = 200112; /* _POSIX_CHOWN_RESTRICTED */
+ return (0);
+ case _PC_VDISABLE:
+ *ap->a_retval = _POSIX_VDISABLE;
+ return (0);
+ default:
+ return (EINVAL);
+ }
+ /* NOTREACHED */
+}
+
+/*
+ * /dev/fd "should never get here" operation
+ */
+int
+fdesc_badop(void)
+{
+
+ return (ENOTSUP);
+ /* NOTREACHED */
+}
+
+#define VOPFUNC int (*)(void *)
+
+#define fdesc_create (int (*) (struct vnop_create_args *))eopnotsupp
+#define fdesc_mknod (int (*) (struct vnop_mknod_args *))eopnotsupp
+#define fdesc_close (int (*) (struct vnop_close_args *))nullop
+#define fdesc_access (int (*) (struct vnop_access_args *))nullop
+#define fdesc_mmap (int (*) (struct vnop_mmap_args *))eopnotsupp
+#define fdesc_revoke nop_revoke
+#define fdesc_fsync (int (*) (struct vnop_fsync_args *))nullop
+#define fdesc_remove (int (*) (struct vnop_remove_args *))eopnotsupp
+#define fdesc_link (int (*) (struct vnop_link_args *))eopnotsupp
+#define fdesc_rename (int (*) (struct vnop_rename_args *))eopnotsupp
+#define fdesc_mkdir (int (*) (struct vnop_mkdir_args *))eopnotsupp
+#define fdesc_rmdir (int (*) (struct vnop_rmdir_args *))eopnotsupp
+#define fdesc_symlink (int (*) (struct vnop_symlink_args *))eopnotsupp
+#define fdesc_strategy (int (*) (struct vnop_strategy_args *))fdesc_badop
+#define fdesc_advlock (int (*) (struct vnop_advlock_args *))eopnotsupp
+#define fdesc_bwrite (int (*) (struct vnop_bwrite_args *))eopnotsupp
+#define fdesc_blktooff (int (*) (struct vnop_blktooff_args *))eopnotsupp
+#define fdesc_offtoblk (int (*) (struct vnop_offtoblk_args *))eopnotsupp
+#define fdesc_blockmap (int (*) (struct vnop_blockmap_args *))eopnotsupp
+
+int (**fdesc_vnodeop_p)(void *);
+struct vnodeopv_entry_desc devfs_fdesc_vnodeop_entries[] = {
+ { &vnop_default_desc, (VOPFUNC)vn_default_error },
+ { &vnop_lookup_desc, (VOPFUNC)vn_default_error}, /* lookup */
+ { &vnop_create_desc, (VOPFUNC)fdesc_create }, /* create */
+ { &vnop_mknod_desc, (VOPFUNC)fdesc_mknod }, /* mknod */
+ { &vnop_open_desc, (VOPFUNC)fdesc_open }, /* open */
+ { &vnop_close_desc, (VOPFUNC)fdesc_close }, /* close */
+ { &vnop_access_desc, (VOPFUNC)fdesc_access }, /* access */
+ { &vnop_getattr_desc, (VOPFUNC)fdesc_getattr }, /* getattr */
+ { &vnop_setattr_desc, (VOPFUNC)fdesc_setattr }, /* setattr */
+ { &vnop_read_desc, (VOPFUNC)fdesc_read }, /* read */
+ { &vnop_write_desc, (VOPFUNC)fdesc_write }, /* write */
+ { &vnop_ioctl_desc, (VOPFUNC)fdesc_ioctl }, /* ioctl */
+ { &vnop_select_desc, (VOPFUNC)fdesc_select }, /* select */
+ { &vnop_revoke_desc, (VOPFUNC)fdesc_revoke }, /* revoke */
+ { &vnop_mmap_desc, (VOPFUNC)fdesc_mmap }, /* mmap */
+ { &vnop_fsync_desc, (VOPFUNC)fdesc_fsync }, /* fsync */
+ { &vnop_remove_desc, (VOPFUNC)fdesc_remove }, /* remove */
+ { &vnop_link_desc, (VOPFUNC)fdesc_link }, /* link */
+ { &vnop_rename_desc, (VOPFUNC)fdesc_rename }, /* rename */
+ { &vnop_mkdir_desc, (VOPFUNC)fdesc_mkdir }, /* mkdir */
+ { &vnop_rmdir_desc, (VOPFUNC)fdesc_rmdir }, /* rmdir */
+ { &vnop_symlink_desc, (VOPFUNC)fdesc_symlink }, /* symlink */
+ { &vnop_readdir_desc, (VOPFUNC)vn_default_error},/* readdir */
+ { &vnop_readlink_desc, (VOPFUNC)err_readlink}, /* readlink */
+ { &vnop_inactive_desc, (VOPFUNC)fdesc_inactive },/* inactive */
+ { &vnop_reclaim_desc, (VOPFUNC)fdesc_reclaim }, /* reclaim */
+ { &vnop_strategy_desc, (VOPFUNC)fdesc_strategy }, /* strategy */
+ { &vnop_pathconf_desc, (VOPFUNC)fdesc_pathconf }, /* pathconf */
+ { &vnop_advlock_desc, (VOPFUNC)fdesc_advlock }, /* advlock */
+ { &vnop_bwrite_desc, (VOPFUNC)fdesc_bwrite }, /* bwrite */
+ { &vnop_pagein_desc, (VOPFUNC)err_pagein }, /* pagein */
+ { &vnop_pageout_desc, (VOPFUNC)err_pageout }, /* pageout */
+ { &vnop_copyfile_desc, (VOPFUNC)err_copyfile }, /* Copyfile */
+ { &vnop_blktooff_desc, (VOPFUNC)fdesc_blktooff }, /* blktooff */
+ { &vnop_blktooff_desc, (VOPFUNC)fdesc_offtoblk }, /* offtoblk */
+ { &vnop_blockmap_desc, (VOPFUNC)fdesc_blockmap }, /* blockmap */
+ { (struct vnodeop_desc*)NULL, (VOPFUNC)NULL }
+};
+
+struct vnodeopv_desc devfs_fdesc_vnodeop_opv_desc =
+ { &fdesc_vnodeop_p, devfs_fdesc_vnodeop_entries };
+