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 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