1/*-
2 * Copyright (c) 2005-2009 Stanislav Sedov <stas@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26#include <sys/cdefs.h>
27__FBSDID("$FreeBSD$");
28
29#include <sys/param.h>
30#include <sys/stat.h>
31#include <sys/time.h>
32#include <sys/vnode.h>
33#define _KERNEL
34#include <sys/mount.h>
35#undef _KERNEL
36
37#include <netinet/in.h>
38
39#include <assert.h>
40#include <err.h>
41#include <kvm.h>
42#include <stdlib.h>
43
44#include <fs/smbfs/smbfs.h>
45#include <fs/smbfs/smbfs_node.h>
46
47#include "libprocstat.h"
48#include "common_kvm.h"
49
50int
51smbfs_filestat(kvm_t *kd, struct vnode *vp, struct vnstat *vn)
52{
53	struct smbnode node;
54	struct mount mnt;
55	int error;
56
57	assert(kd);
58	assert(vn);
59	error = kvm_read_all(kd, (unsigned long)VTOSMB(vp), &node,
60	    sizeof(node));
61	if (error != 0) {
62		warnx("can't read smbfs fnode at %p", (void *)VTOSMB(vp));
63		return (1);
64	}
65        error = kvm_read_all(kd, (unsigned long)getvnodemount(vp), &mnt,
66	    sizeof(mnt));
67        if (error != 0) {
68                warnx("can't read mount at %p for vnode %p",
69                    (void *)getvnodemount(vp), vp);
70                return (1);
71        }
72	vn->vn_fileid = node.n_ino;
73	if (vn->vn_fileid == 0)
74		vn->vn_fileid = 2;
75	vn->vn_fsid = mnt.mnt_stat.f_fsid.val[0];
76	return (0);
77}
78