2 * Copyright (c) 2009 Stanislav Sedov <stas@FreeBSD.org>
3 * Copyright (c) 1988, 1993
4 * The Regents of the University of California. All rights reserved.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by the University of
17 * California, Berkeley and its contributors.
18 * 4. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 #include <sys/cdefs.h>
36 __FBSDID("$FreeBSD$");
38 #include <sys/param.h>
41 #include <sys/vnode.h>
45 #include <sys/mount.h>
46 #include <ufs/ufs/quota.h>
47 #include <ufs/ufs/inode.h>
48 #include <fs/devfs/devfs.h>
49 #include <fs/devfs/devfs_int.h>
51 #include <nfs/nfsproto.h>
52 #include <nfsclient/nfs.h>
53 #include <nfsclient/nfsnode.h>
61 #include <libprocstat.h>
62 #include "common_kvm.h"
65 kvm_read_all(kvm_t *kd, unsigned long addr, void *buf, size_t nbytes)
69 if (nbytes >= SSIZE_MAX)
71 error = kvm_read(kd, addr, buf, nbytes);
72 return (error == (ssize_t)(nbytes));
76 kdevtoname(kvm_t *kd, struct cdev *dev, char *buf)
81 if (!kvm_read_all(kd, (unsigned long)dev, &si, sizeof(si)))
83 strlcpy(buf, si.si_name, SPECNAMELEN + 1);
88 ufs_filestat(kvm_t *kd, struct vnode *vp, struct vnstat *vn)
92 if (!kvm_read_all(kd, (unsigned long)VTOI(vp), &inode, sizeof(inode))) {
93 warnx("can't read inode at %p", (void *)VTOI(vp));
97 * The st_dev from stat(2) is a dev_t. These kernel structures
98 * contain cdev pointers. We need to convert to dev_t to make
101 vn->vn_fsid = dev2udev(kd, inode.i_dev);
102 vn->vn_fileid = inode.i_number;
103 vn->vn_mode = (mode_t)inode.i_mode;
104 vn->vn_size = inode.i_size;
109 devfs_filestat(kvm_t *kd, struct vnode *vp, struct vnstat *vn)
111 struct devfs_dirent devfs_dirent;
114 if (!kvm_read_all(kd, (unsigned long)getvnodedata(vp), &devfs_dirent,
115 sizeof(devfs_dirent))) {
116 warnx("can't read devfs_dirent at %p",
120 if (!kvm_read_all(kd, (unsigned long)getvnodemount(vp), &mount,
122 warnx("can't read mount at %p",
123 (void *)getvnodemount(vp));
126 vn->vn_fsid = mount.mnt_stat.f_fsid.val[0];
127 vn->vn_fileid = devfs_dirent.de_inode;
128 vn->vn_mode = (devfs_dirent.de_mode & ~S_IFMT) | S_IFCHR;
134 nfs_filestat(kvm_t *kd, struct vnode *vp, struct vnstat *vn)
136 struct nfsnode nfsnode;
139 if (!kvm_read_all(kd, (unsigned long)VTONFS(vp), &nfsnode,
141 warnx("can't read nfsnode at %p",
145 vn->vn_fsid = nfsnode.n_vattr.va_fsid;
146 vn->vn_fileid = nfsnode.n_vattr.va_fileid;
147 vn->vn_size = nfsnode.n_size;
148 mode = (mode_t)nfsnode.n_vattr.va_mode;
149 switch (vp->v_type) {
179 * Read the cdev structure in the kernel in order to work out the
183 dev2udev(kvm_t *kd, struct cdev *dev)
185 struct cdev_priv priv;
188 if (kvm_read_all(kd, (unsigned long)cdev2priv(dev), &priv,
190 return ((dev_t)priv.cdp_inode);
192 warnx("can't convert cdev *%p to a dev_t\n", dev);
198 getvnodedata(struct vnode *vp)
204 getvnodemount(struct vnode *vp)
206 return (vp->v_mount);