diff options
Diffstat (limited to 'lib/libprocstat/udf.c')
-rw-r--r-- | lib/libprocstat/udf.c | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/lib/libprocstat/udf.c b/lib/libprocstat/udf.c new file mode 100644 index 0000000..5d9310e --- /dev/null +++ b/lib/libprocstat/udf.c @@ -0,0 +1,102 @@ +/*- + * Copyright (c) 2005-2009 Stanislav Sedov <stas@FreeBSD.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/param.h> +#include <sys/stat.h> +#include <sys/time.h> +#include <sys/vnode.h> +#include <sys/buf.h> +#define _KERNEL +#include <sys/mount.h> +#undef _KERNEL + +#include <netinet/in.h> + +#include <assert.h> +#include <err.h> +#include <kvm.h> +#include <stdlib.h> + +#include <fs/udf/ecma167-udf.h> + +#include "libprocstat.h" +#include "common_kvm.h" + +/* XXX */ +struct udf_mnt { + int im_flags; + struct mount *im_mountp; + struct g_consumer *im_cp; + struct bufobj *im_bo; + struct cdev *im_dev; + struct vnode *im_devvp; + int bsize; + int bshift; + int bmask; + uint32_t part_start; + uint32_t part_len; + uint64_t root_id; + struct long_ad root_icb; + int p_sectors; + int s_table_entries; + void *s_table; + void *im_d2l; +}; +struct udf_node { + struct vnode *i_vnode; + struct udf_mnt *udfmp; + ino_t hash_id; + long diroff; + struct file_entry *fentry; +}; +#define VTON(vp) ((struct udf_node *)((vp)->v_data)) + +int +udf_filestat(kvm_t *kd, struct vnode *vp, struct vnstat *vn) +{ + struct udf_node node; + struct udf_mnt mnt; + int error; + + assert(kd); + assert(vn); + error = kvm_read_all(kd, (unsigned long)VTON(vp), &node, sizeof(node)); + if (error != 0) { + warnx("can't read udf fnode at %p", (void *)VTON(vp)); + return (1); + } + error = kvm_read_all(kd, (unsigned long)node.udfmp, &mnt, sizeof(mnt)); + if (error != 0) { + warnx("can't read udf_mnt at %p for vnode %p", + (void *)node.udfmp, vp); + return (1); + } + vn->vn_fileid = node.hash_id; + vn->vn_fsid = dev2udev(kd, mnt.im_dev); + return (0); +} |