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#include <sys/buf.h>
34#define _KERNEL
35#include <sys/mount.h>
36#undef _KERNEL
37
38#include <netinet/in.h>
39
40#include <assert.h>
41#include <err.h>
42#include <kvm.h>
43#include <stdlib.h>
44
45#include <fs/udf/ecma167-udf.h>
46
47#include "libprocstat.h"
48#include "common_kvm.h"
49
50/* XXX */
51struct udf_mnt {
52	int			im_flags;
53	struct mount		*im_mountp;
54	struct g_consumer	*im_cp;
55	struct bufobj		*im_bo;
56	struct cdev		*im_dev;
57	struct vnode		*im_devvp;
58	int			bsize;
59	int			bshift;
60	int			bmask;
61	uint32_t		part_start;
62	uint32_t		part_len;
63	uint64_t		root_id;
64	struct long_ad		root_icb;
65	int			p_sectors;
66	int			s_table_entries;
67	void			*s_table;
68	void			*im_d2l;
69};
70struct udf_node {
71	struct vnode	*i_vnode;
72	struct udf_mnt	*udfmp;
73	ino_t		hash_id;
74	long		diroff;
75	struct file_entry *fentry;
76};
77#define VTON(vp)	((struct udf_node *)((vp)->v_data))
78
79int
80udf_filestat(kvm_t *kd, struct vnode *vp, struct vnstat *vn)
81{
82	struct udf_node node;
83	struct udf_mnt mnt;
84	int error;
85
86	assert(kd);
87	assert(vn);
88	error = kvm_read_all(kd, (unsigned long)VTON(vp), &node, sizeof(node));
89	if (error != 0) {
90		warnx("can't read udf fnode at %p", (void *)VTON(vp));
91		return (1);
92	}
93        error = kvm_read_all(kd, (unsigned long)node.udfmp, &mnt, sizeof(mnt));
94        if (error != 0) {
95                warnx("can't read udf_mnt at %p for vnode %p",
96                    (void *)node.udfmp, vp);
97                return (1);
98        }
99	vn->vn_fileid = node.hash_id;
100	vn->vn_fsid = dev2udev(kd, mnt.im_dev);
101	return (0);
102}
103