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