-/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
- *
- * This 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 OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
-/* $NetBSD: kernfs_vnops.c,v 1.35 1995/02/03 16:18:46 mycroft Exp $ */
-
-/*
- * 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.
- *
- * @(#)kernfs_vnops.c 8.9 (Berkeley) 6/15/94
- */
-
-/*
- * Kernel parameter filesystem (/kern)
- */
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/kernel.h>
-#include <sys/vmmeter.h>
-#include <sys/types.h>
-#include <sys/time.h>
-#include <sys/proc.h>
-#include <sys/vnode.h>
-#include <sys/malloc.h>
-#include <sys/file.h>
-#include <sys/stat.h>
-#include <sys/mount.h>
-#include <sys/namei.h>
-#include <sys/buf.h>
-#include <sys/dirent.h>
-#include <sys/msgbuf.h>
-#include <sys/ubc.h>
-#include <vfs/vfs_support.h>
-#include <miscfs/kernfs/kernfs.h>
-
-#define KSTRING 256 /* Largest I/O available via this filesystem */
-#define UIO_MX 32
-
-#define READ_MODE (S_IRUSR|S_IRGRP|S_IROTH)
-#define WRITE_MODE (S_IWUSR|S_IRUSR|S_IRGRP|S_IROTH)
-#define DIR_MODE (S_IRUSR|S_IXUSR|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH)
-
-struct kern_target {
- u_char kt_type;
- u_char kt_namlen;
- char *kt_name;
- void *kt_data;
-#define KTT_NULL 1
-#define KTT_TIME 5
-#define KTT_INT 17
-#define KTT_STRING 31
-#define KTT_HOSTNAME 47
-#define KTT_AVENRUN 53
-#define KTT_DEVICE 71
-#define KTT_MSGBUF 89
- u_char kt_tag;
- u_char kt_vtype;
- mode_t kt_mode;
-} kern_targets[] = {
-/* NOTE: The name must be less than UIO_MX-16 chars in length */
-#define N(s) sizeof(s)-1, s
- /* name data tag type ro/rw */
- { DT_DIR, N("."), 0, KTT_NULL, VDIR, DIR_MODE },
- { DT_DIR, N(".."), 0, KTT_NULL, VDIR, DIR_MODE },
- { DT_REG, N("boottime"), &boottime.tv_sec, KTT_INT, VREG, READ_MODE },
- { DT_REG, N("copyright"), copyright, KTT_STRING, VREG, READ_MODE },
- { DT_REG, N("hostname"), 0, KTT_HOSTNAME, VREG, WRITE_MODE },
- { DT_REG, N("hz"), &hz, KTT_INT, VREG, READ_MODE },
- { DT_REG, N("loadavg"), 0, KTT_AVENRUN, VREG, READ_MODE },
- { DT_REG, N("msgbuf"), 0, KTT_MSGBUF, VREG, READ_MODE },
- { DT_REG, N("pagesize"), &cnt.v_page_size, KTT_INT, VREG, READ_MODE },
- { DT_REG, N("physmem"), &physmem, KTT_INT, VREG, READ_MODE },
-#if 0
- { DT_DIR, N("root"), 0, KTT_NULL, VDIR, DIR_MODE },
-#endif
- { DT_BLK, N("rootdev"), &rootdev, KTT_DEVICE, VBLK, READ_MODE },
- { DT_CHR, N("rrootdev"), &rrootdev, KTT_DEVICE, VCHR, READ_MODE },
- { DT_REG, N("time"), 0, KTT_TIME, VREG, READ_MODE },
- { DT_REG, N("version"), version, KTT_STRING, VREG, READ_MODE },
-#undef N
-};
-static int nkern_targets = sizeof(kern_targets) / sizeof(kern_targets[0]);
-
-int
-kernfs_xread(kt, off, bufp, len)
- struct kern_target *kt;
- int off;
- char **bufp;
- int len;
-{
-
- switch (kt->kt_tag) {
- case KTT_TIME: {
- struct timeval tv;
-
- microtime(&tv);
- sprintf(*bufp, "%d %d\n", tv.tv_sec, tv.tv_usec);
- break;
- }
-
- case KTT_INT: {
- int *ip = kt->kt_data;
-
- sprintf(*bufp, "%d\n", *ip);
- break;
- }
-
- case KTT_STRING: {
- char *cp = kt->kt_data;
-
- *bufp = cp;
- break;
- }
-
- case KTT_MSGBUF: {
- extern struct msgbuf *msgbufp;
- long n;
-
- if (off >= MSG_BSIZE)
- return (0);
- n = msgbufp->msg_bufx + off;
- if (n >= MSG_BSIZE)
- n -= MSG_BSIZE;
- len = min(MSG_BSIZE - n, MSG_BSIZE - off);
- *bufp = msgbufp->msg_bufc + n;
- return (len);
- }
-
- case KTT_HOSTNAME: {
- char *cp = hostname;
- int xlen = hostnamelen;
-
- if (xlen >= (len-2))
- return (EINVAL);
-
- bcopy(cp, *bufp, xlen);
- (*bufp)[xlen] = '\n';
- (*bufp)[xlen+1] = '\0';
- break;
- }
-
- case KTT_AVENRUN:
- averunnable.fscale = FSCALE;
- sprintf(*bufp, "%ld %ld %ld %ld\n",
- averunnable.ldavg[0], averunnable.ldavg[1],
- averunnable.ldavg[2], averunnable.fscale);
- break;
-
- default:
- return (0);
- }
-
- len = strlen(*bufp);
- if (len <= off)
- return (0);
- *bufp += off;
- return (len - off);
-}
-
-int
-kernfs_xwrite(kt, buf, len)
- struct kern_target *kt;
- char *buf;
- int len;
-{
-
- switch (kt->kt_tag) {
- case KTT_HOSTNAME:
- if (buf[len-1] == '\n')
- --len;
- bcopy(buf, hostname, len);
- hostname[len] = '\0';
- hostnamelen = len;
- return (0);
-
- default:
- return (EIO);
- }
-}
-
-
-/*
- * vp is the current namei directory
- * ndp is the name to locate in that directory...
- */
-kernfs_lookup(ap)
- struct vop_lookup_args /* {
- struct vnode * a_dvp;
- struct vnode ** a_vpp;
- struct componentname * a_cnp;
- } */ *ap;
-{
- struct componentname *cnp = ap->a_cnp;
- struct vnode **vpp = ap->a_vpp;
- struct vnode *dvp = ap->a_dvp;
- char *pname = cnp->cn_nameptr;
- struct kern_target *kt;
- struct vnode *fvp;
- int error, i;
- struct kernfs_node *kp;
-
-#ifdef KERNFS_DIAGNOSTIC
- printf("kernfs_lookup(%x)\n", ap);
- printf("kernfs_lookup(dp = %x, vpp = %x, cnp = %x)\n", dvp, vpp, ap->a_cnp);
- printf("kernfs_lookup(%s)\n", pname);
-#endif
-
- *vpp = NULLVP;
-
- if (cnp->cn_nameiop == DELETE || cnp->cn_nameiop == RENAME)
- return (EROFS);
-
- if (cnp->cn_namelen == 1 && *pname == '.') {
- *vpp = dvp;
- VREF(dvp);
- /*VOP_LOCK(dvp);*/
- return (0);
- }
-
-#if 0
- if (cnp->cn_namelen == 4 && bcmp(pname, "root", 4) == 0) {
- *vpp = rootdir;
- VREF(rootdir);
- VOP_LOCK(rootdir);
- return (0);
- }
-#endif
-
- for (kt = kern_targets, i = 0; i < nkern_targets; kt++, i++) {
- if (cnp->cn_namelen == kt->kt_namlen &&
- bcmp(kt->kt_name, pname, cnp->cn_namelen) == 0)
- goto found;
- }
-
-#ifdef KERNFS_DIAGNOSTIC
- printf("kernfs_lookup: i = %d, failed", i);
-#endif
-
- return (cnp->cn_nameiop == LOOKUP ? ENOENT : EROFS);
-
-found:
- if (kt->kt_tag == KTT_DEVICE) {
- dev_t *dp = kt->kt_data;
- loop:
- if (*dp == NODEV || !vfinddev(*dp, kt->kt_vtype, &fvp))
- return (ENOENT);
- *vpp = fvp;
- if (vget(fvp, LK_SHARED, current_proc()))
- goto loop;
- return (0);
- }
-
-#ifdef KERNFS_DIAGNOSTIC
- printf("kernfs_lookup: allocate new vnode\n");
-#endif
- MALLOC(kp, void *, sizeof(struct kernfs_node), M_TEMP, M_WAITOK);
- if (error = getnewvnode(VT_KERNFS, dvp->v_mount, kernfs_vnodeop_p,
- &fvp)) {
- FREE(kp, M_TEMP);
- return (error);
- }
-
- fvp->v_data = kp;
- VTOKERN(fvp)->kf_kt = kt;
- fvp->v_type = kt->kt_vtype;
- if (fvp->v_type == VREG)
- ubc_info_init(fvp);
- *vpp = fvp;
-
-#ifdef KERNFS_DIAGNOSTIC
- printf("kernfs_lookup: newvp = %x\n", fvp);
-#endif
- return (0);
-}
-
-kernfs_open(ap)
- struct vop_open_args /* {
- struct vnode *a_vp;
- int a_mode;
- struct ucred *a_cred;
- struct proc *a_p;
- } */ *ap;
-{
-
- /* Only need to check access permissions. */
- return (0);
-}
-
-int
-kernfs_access(ap)
- struct vop_access_args /* {
- struct vnode *a_vp;
- int a_mode;
- struct ucred *a_cred;
- struct proc *a_p;
- } */ *ap;
-{
- struct vnode *vp = ap->a_vp;
- mode_t fmode =
- (vp->v_flag & VROOT) ? DIR_MODE : VTOKERN(vp)->kf_kt->kt_mode;
-
- return (vaccess(fmode, (uid_t)0, (gid_t)0, ap->a_mode, ap->a_cred));
-}
-
-kernfs_getattr(ap)
- struct vop_getattr_args /* {
- struct vnode *a_vp;
- struct vattr *a_vap;
- struct ucred *a_cred;
- struct proc *a_p;
- } */ *ap;
-{
- struct vnode *vp = ap->a_vp;
- struct vattr *vap = ap->a_vap;
- int error = 0;
- char strbuf[KSTRING], *buf;
-
- bzero((caddr_t) vap, sizeof(*vap));
- vattr_null(vap);
- vap->va_uid = 0;
- vap->va_gid = 0;
- vap->va_fsid = vp->v_mount->mnt_stat.f_fsid.val[0];
- vap->va_size = 0;
- vap->va_blocksize = DEV_BSIZE;
- microtime(&vap->va_atime);
- vap->va_mtime = vap->va_atime;
- vap->va_ctime = vap->va_ctime;
- vap->va_gen = 0;
- vap->va_flags = 0;
- vap->va_rdev = 0;
- vap->va_bytes = 0;
-
- if (vp->v_flag & VROOT) {
-#ifdef KERNFS_DIAGNOSTIC
- printf("kernfs_getattr: stat rootdir\n");
-#endif
- vap->va_type = VDIR;
- vap->va_mode = DIR_MODE;
- vap->va_nlink = 2;
- vap->va_fileid = 2;
- vap->va_size = DEV_BSIZE;
- } else {
- struct kern_target *kt = VTOKERN(vp)->kf_kt;
- int nbytes, total;
-#ifdef KERNFS_DIAGNOSTIC
- printf("kernfs_getattr: stat target %s\n", kt->kt_name);
-#endif
- vap->va_type = kt->kt_vtype;
- vap->va_mode = kt->kt_mode;
- vap->va_nlink = 1;
- vap->va_fileid = 1 + (kt - kern_targets) / sizeof(*kt);
- total = 0;
- while (buf = strbuf,
- nbytes = kernfs_xread(kt, total, &buf, sizeof(strbuf)))
- total += nbytes;
- vap->va_size = total;
- }
-
-#ifdef KERNFS_DIAGNOSTIC
- printf("kernfs_getattr: return error %d\n", error);
-#endif
- return (error);
-}
-
-kernfs_setattr(ap)
- struct vop_setattr_args /* {
- struct vnode *a_vp;
- struct vattr *a_vap;
- struct ucred *a_cred;
- struct proc *a_p;
- } */ *ap;
-{
-
- /*
- * Silently ignore attribute changes.
- * This allows for open with truncate to have no
- * effect until some data is written. I want to
- * do it this way because all writes are atomic.
- */
- return (0);
-}
-
-int
-kernfs_read(ap)
- struct vop_read_args /* {
- struct vnode *a_vp;
- struct uio *a_uio;
- int a_ioflag;
- struct ucred *a_cred;
- } */ *ap;
-{
- struct vnode *vp = ap->a_vp;
- struct uio *uio = ap->a_uio;
- struct kern_target *kt;
- char strbuf[KSTRING], *buf;
- int off, len;
- int error;
-
- if (vp->v_type == VDIR)
- return (EOPNOTSUPP);
-
- kt = VTOKERN(vp)->kf_kt;
-
-#ifdef KERNFS_DIAGNOSTIC
- printf("kern_read %s\n", kt->kt_name);
-#endif
-
- off = uio->uio_offset;
-#if 0
- while (buf = strbuf,
-#else
- if (buf = strbuf,
-#endif
- len = kernfs_xread(kt, off, &buf, sizeof(strbuf))) {
- if (error = uiomove(buf, len, uio))
- return (error);
- off += len;
- }
- return (0);
-}
-
-int
-kernfs_write(ap)
- struct vop_write_args /* {
- struct vnode *a_vp;
- struct uio *a_uio;
- int a_ioflag;
- struct ucred *a_cred;
- } */ *ap;
-{
- struct vnode *vp = ap->a_vp;
- struct uio *uio = ap->a_uio;
- struct kern_target *kt;
- int error, xlen;
- char strbuf[KSTRING];
-
- if (vp->v_type == VDIR)
- return (EOPNOTSUPP);
-
- kt = VTOKERN(vp)->kf_kt;
-
- if (uio->uio_offset != 0)
- return (EINVAL);
-
- xlen = min(uio->uio_resid, KSTRING-1);
- if (error = uiomove(strbuf, xlen, uio))
- return (error);
-
- if (uio->uio_resid != 0)
- return (EIO);
-
- strbuf[xlen] = '\0';
- xlen = strlen(strbuf);
- return (kernfs_xwrite(kt, strbuf, xlen));
-}
-
-kernfs_readdir(ap)
- struct vop_readdir_args /* {
- struct vnode *a_vp;
- struct uio *a_uio;
- struct ucred *a_cred;
- int *a_eofflag;
- u_long *a_cookies;
- int a_ncookies;
- } */ *ap;
-{
- struct uio *uio = ap->a_uio;
- struct kern_target *kt;
- struct dirent d;
- int i;
- int error;
-
- if (ap->a_vp->v_type != VDIR)
- return (ENOTDIR);
-
- /*
- * We don't allow exporting kernfs mounts, and currently local
- * requests do not need cookies.
- */
- if (ap->a_ncookies != NULL)
- panic("kernfs_readdir: not hungry");
-
- i = uio->uio_offset / UIO_MX;
- error = 0;
- for (kt = &kern_targets[i];
- uio->uio_resid >= UIO_MX && i < nkern_targets; kt++, i++) {
- struct dirent *dp = &d;
-#ifdef KERNFS_DIAGNOSTIC
- printf("kernfs_readdir: i = %d\n", i);
-#endif
-
- if (kt->kt_tag == KTT_DEVICE) {
- dev_t *dp = kt->kt_data;
- struct vnode *fvp;
-
- if (*dp == NODEV || !vfinddev(*dp, kt->kt_vtype, &fvp))
- continue;
- }
-
- bzero((caddr_t)dp, UIO_MX);
- dp->d_namlen = kt->kt_namlen;
- bcopy(kt->kt_name, dp->d_name, kt->kt_namlen+1);
-
-#ifdef KERNFS_DIAGNOSTIC
- printf("kernfs_readdir: name = %s, len = %d\n",
- dp->d_name, dp->d_namlen);
-#endif
- /*
- * Fill in the remaining fields
- */
- dp->d_reclen = UIO_MX;
- dp->d_fileno = i + 3;
- dp->d_type = kt->kt_type;
- /*
- * And ship to userland
- */
- if (error = uiomove((caddr_t)dp, UIO_MX, uio))
- break;
- }
-
- uio->uio_offset = i * UIO_MX;
-
- return (error);
-}
-
-kernfs_inactive(ap)
- struct vop_inactive_args /* {
- struct vnode *a_vp;
- } */ *ap;
-{
- struct vnode *vp = ap->a_vp;
-
-#ifdef KERNFS_DIAGNOSTIC
- printf("kernfs_inactive(%x)\n", vp);
-#endif
- /*
- * Clear out the v_type field to avoid
- * nasty things happening in vgone().
- */
- vp->v_type = VNON;
- return (0);
-}
-
-kernfs_reclaim(ap)
- struct vop_reclaim_args /* {
- struct vnode *a_vp;
- } */ *ap;
-{
- struct vnode *vp = ap->a_vp;
-
-#ifdef KERNFS_DIAGNOSTIC
- printf("kernfs_reclaim(%x)\n", vp);
-#endif
- if (vp->v_data) {
- FREE(vp->v_data, M_TEMP);
- vp->v_data = 0;
- }
- return (0);
-}
-
-/*
- * Return POSIX pathconf information applicable to special devices.
- */
-kernfs_pathconf(ap)
- struct vop_pathconf_args /* {
- struct vnode *a_vp;
- int a_name;
- register_t *a_retval;
- } */ *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 = 1;
- return (0);
- case _PC_VDISABLE:
- *ap->a_retval = _POSIX_VDISABLE;
- return (0);
- default:
- return (EINVAL);
- }
- /* NOTREACHED */
-}
-
-/*
- * Print out the contents of a /dev/fd vnode.
- */
-/* ARGSUSED */
-kernfs_print(ap)
- struct vop_print_args /* {
- struct vnode *a_vp;
- } */ *ap;
-{
-
- printf("tag VT_KERNFS, kernfs vnode\n");
- return (0);
-}
-
-/*void*/
-kernfs_vfree(ap)
- struct vop_vfree_args /* {
- struct vnode *a_pvp;
- ino_t a_ino;
- int a_mode;
- } */ *ap;
-{
-
- return (0);
-}
-
-/*
- * /dev/fd vnode unsupported operation
- */
-kernfs_enotsupp()
-{
-
- return (EOPNOTSUPP);
-}
-
-/*
- * /dev/fd "should never get here" operation
- */
-kernfs_badop()
-{
-
- panic("kernfs: bad op");
- /* NOTREACHED */
-}
-
-/*
- * kernfs vnode null operation
- */
-kernfs_nullop()
-{
-
- return (0);
-}
-
-#define kernfs_create ((int (*) __P((struct vop_create_args *)))kernfs_enotsupp)
-#define kernfs_mknod ((int (*) __P((struct vop_mknod_args *)))kernfs_enotsupp)
-#define kernfs_close ((int (*) __P((struct vop_close_args *)))nullop)
-#define kernfs_ioctl ((int (*) __P((struct vop_ioctl_args *)))kernfs_enotsupp)
-#define kernfs_select ((int (*) __P((struct vop_select_args *)))kernfs_enotsupp)
-#define kernfs_mmap ((int (*) __P((struct vop_mmap_args *)))kernfs_enotsupp)
-#define kernfs_fsync ((int (*) __P((struct vop_fsync_args *)))nullop)
-#define kernfs_seek ((int (*) __P((struct vop_seek_args *)))nullop)
-#define kernfs_remove ((int (*) __P((struct vop_remove_args *)))kernfs_enotsupp)
-#define kernfs_link ((int (*) __P((struct vop_link_args *)))kernfs_enotsupp)
-#define kernfs_rename ((int (*) __P((struct vop_rename_args *)))kernfs_enotsupp)
-#define kernfs_mkdir ((int (*) __P((struct vop_mkdir_args *)))kernfs_enotsupp)
-#define kernfs_rmdir ((int (*) __P((struct vop_rmdir_args *)))kernfs_enotsupp)
-#define kernfs_symlink ((int (*) __P((struct vop_symlink_args *)))kernfs_enotsupp)
-#define kernfs_readlink \
- ((int (*) __P((struct vop_readlink_args *)))kernfs_enotsupp)
-#define kernfs_abortop ((int (*) __P((struct vop_abortop_args *)))nullop)
-#define kernfs_lock ((int (*) __P((struct vop_lock_args *)))nullop)
-#define kernfs_unlock ((int (*) __P((struct vop_unlock_args *)))nullop)
-#define kernfs_bmap ((int (*) __P((struct vop_bmap_args *)))kernfs_badop)
-#define kernfs_strategy ((int (*) __P((struct vop_strategy_args *)))kernfs_badop)
-#define kernfs_islocked ((int (*) __P((struct vop_islocked_args *)))nullop)
-#define kernfs_advlock ((int (*) __P((struct vop_advlock_args *)))kernfs_enotsupp)
-#define kernfs_blkatoff \
- ((int (*) __P((struct vop_blkatoff_args *)))kernfs_enotsupp)
-#define kernfs_valloc ((int(*) __P(( \
- struct vnode *pvp, \
- int mode, \
- struct ucred *cred, \
- struct vnode **vpp))) kernfs_enotsupp)
-#define kernfs_truncate \
- ((int (*) __P((struct vop_truncate_args *)))kernfs_enotsupp)
-#define kernfs_update ((int (*) __P((struct vop_update_args *)))kernfs_enotsupp)
-#define kernfs_bwrite ((int (*) __P((struct vop_bwrite_args *)))kernfs_enotsupp)
-
-#define VOPFUNC int (*)(void *)
-
-int (**kernfs_vnodeop_p)(void *);
-struct vnodeopv_entry_desc kernfs_vnodeop_entries[] = {
- { &vop_default_desc, (VOPFUNC)vn_default_error },
- { &vop_lookup_desc, (VOPFUNC)kernfs_lookup }, /* lookup */
- { &vop_create_desc, (VOPFUNC)kernfs_create }, /* create */
- { &vop_mknod_desc, (VOPFUNC)kernfs_mknod }, /* mknod */
- { &vop_open_desc, (VOPFUNC)kernfs_open }, /* open */
- { &vop_close_desc, (VOPFUNC)kernfs_close }, /* close */
- { &vop_access_desc, (VOPFUNC)kernfs_access }, /* access */
- { &vop_getattr_desc, (VOPFUNC)kernfs_getattr }, /* getattr */
- { &vop_setattr_desc, (VOPFUNC)kernfs_setattr }, /* setattr */
- { &vop_read_desc, (VOPFUNC)kernfs_read }, /* read */
- { &vop_write_desc, (VOPFUNC)kernfs_write }, /* write */
- { &vop_ioctl_desc, (VOPFUNC)kernfs_ioctl }, /* ioctl */
- { &vop_select_desc, (VOPFUNC)kernfs_select }, /* select */
- { &vop_mmap_desc, (VOPFUNC)kernfs_mmap }, /* mmap */
- { &vop_fsync_desc, (VOPFUNC)kernfs_fsync }, /* fsync */
- { &vop_seek_desc, (VOPFUNC)kernfs_seek }, /* seek */
- { &vop_remove_desc, (VOPFUNC)kernfs_remove }, /* remove */
- { &vop_link_desc, (VOPFUNC)kernfs_link }, /* link */
- { &vop_rename_desc, (VOPFUNC)kernfs_rename }, /* rename */
- { &vop_mkdir_desc, (VOPFUNC)kernfs_mkdir }, /* mkdir */
- { &vop_rmdir_desc, (VOPFUNC)kernfs_rmdir }, /* rmdir */
- { &vop_symlink_desc, (VOPFUNC)kernfs_symlink }, /* symlink */
- { &vop_readdir_desc, (VOPFUNC)kernfs_readdir }, /* readdir */
- { &vop_readlink_desc, (VOPFUNC)kernfs_readlink },/* readlink */
- { &vop_abortop_desc, (VOPFUNC)kernfs_abortop }, /* abortop */
- { &vop_inactive_desc, (VOPFUNC)kernfs_inactive },/* inactive */
- { &vop_reclaim_desc, (VOPFUNC)kernfs_reclaim }, /* reclaim */
- { &vop_lock_desc, (VOPFUNC)kernfs_lock }, /* lock */
- { &vop_unlock_desc, (VOPFUNC)kernfs_unlock }, /* unlock */
- { &vop_bmap_desc, (VOPFUNC)kernfs_bmap }, /* bmap */
- { &vop_strategy_desc, (VOPFUNC)kernfs_strategy },/* strategy */
- { &vop_print_desc, (VOPFUNC)kernfs_print }, /* print */
- { &vop_islocked_desc, (VOPFUNC)kernfs_islocked },/* islocked */
- { &vop_pathconf_desc, (VOPFUNC)kernfs_pathconf },/* pathconf */
- { &vop_advlock_desc, (VOPFUNC)kernfs_advlock }, /* advlock */
- { &vop_blkatoff_desc, (VOPFUNC)kernfs_blkatoff },/* blkatoff */
- { &vop_valloc_desc, (VOPFUNC)kernfs_valloc }, /* valloc */
- { &vop_vfree_desc, (VOPFUNC)kernfs_vfree }, /* vfree */
- { &vop_truncate_desc, (VOPFUNC)kernfs_truncate },/* truncate */
- { &vop_update_desc, (VOPFUNC)kernfs_update }, /* update */
- { &vop_bwrite_desc, (VOPFUNC)kernfs_bwrite }, /* bwrite */
- { &vop_copyfile_desc, (VOPFUNC)err_copyfile }, /* Copyfile */
- { (struct vnodeop_desc*)NULL, (int(*)())NULL }
-};
-struct vnodeopv_desc kernfs_vnodeop_opv_desc =
- { &kernfs_vnodeop_p, kernfs_vnodeop_entries };
projects / apple / xnu.git / blobdiff