X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/e2fac8b15b12a7979f72090454d850e612fc5b13..b0d623f7f2ae71ed96e60569f61f9a9a27016e80:/bsd/miscfs/devfs/devfs_fdesc_support.c?ds=inline diff --git a/bsd/miscfs/devfs/devfs_fdesc_support.c b/bsd/miscfs/devfs/devfs_fdesc_support.c new file mode 100644 index 000000000..c15f3df53 --- /dev/null +++ b/bsd/miscfs/devfs/devfs_fdesc_support.c @@ -0,0 +1,767 @@ +/* + * 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 +#include +#include +#include +#include +#include /* boottime */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* 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 }; +