volume_id: add Veritas fs

Signed-off-by: Kay Sievers <kay.sievers@suse.de>

4 files changed, 77 insertions, 0 deletions

diff --git a/extras/volume_id/volume_id/Makefile.inc b/extras/volume_id/volume_id/Makefile.inc
index 80f451d583..6f8dceea4a 100644
--- a/extras/volume_id/volume_id/Makefile.inc
+++ b/extras/volume_id/volume_id/Makefile.inc
@@ -28,6 +28,7 @@ VOLUME_ID_OBJS=					\
 	$(VOLUME_ID_BASE)/minix.o		\
 	$(VOLUME_ID_BASE)/luks.o		\
 	$(VOLUME_ID_BASE)/ocfs.o		\
+	$(VOLUME_ID_BASE)/vxfs.o		\
 	$(VOLUME_ID_BASE)/volume_id.o		\
 	$(VOLUME_ID_BASE)/util.o
 
@@ -60,5 +61,6 @@ VOLUME_ID_HEADERS=				\
 	$(VOLUME_ID_BASE)/minix.h		\
 	$(VOLUME_ID_BASE)/luks.h		\
 	$(VOLUME_ID_BASE)/ocfs.h		\
+	$(VOLUME_ID_BASE)/vxfs.h		\
 	$(VOLUME_ID_BASE)/volume_id.h		\
 	$(VOLUME_ID_BASE)/util.h
diff --git a/extras/volume_id/volume_id/volume_id.c b/extras/volume_id/volume_id/volume_id.c
index 25bcd95358..06496e7130 100644
--- a/extras/volume_id/volume_id/volume_id.c
+++ b/extras/volume_id/volume_id/volume_id.c
@@ -162,6 +162,9 @@ int volume_id_probe_all(struct volume_id *id, uint64_t off, uint64_t size)
 	if (volume_id_probe_ocfs2(id, off) == 0)
 		goto exit;
 
+	if (volume_id_probe_vxfs(id, off) == 0)
+		goto exit;
+
 	return -1;
 
 exit:
diff --git a/extras/volume_id/volume_id/vxfs.c b/extras/volume_id/volume_id/vxfs.c
new file mode 100644
index 0000000000..c4a9ace98f
--- /dev/null
+++ b/extras/volume_id/volume_id/vxfs.c
@@ -0,0 +1,56 @@
+/*
+ * volume_id - reads filesystem label and uuid
+ *
+ * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ *	This program is free software; you can redistribute it and/or modify it
+ *	under the terms of the GNU General Public License as published by the
+ *	Free Software Foundation version 2 of the License.
+ */
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE 1
+#endif
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <ctype.h>
+
+#include "volume_id.h"
+#include "logging.h"
+#include "util.h"
+#include "vxfs.h"
+
+#define VXFS_SUPER_MAGIC	0xa501FCF5
+
+struct vxfs_super {
+	uint32_t		vs_magic;
+	int32_t			vs_version;
+} __attribute__((__packed__));
+
+int volume_id_probe_vxfs(struct volume_id *id, uint64_t off)
+{
+	struct vxfs_super *vxs;
+
+	dbg("probing at offset 0x%llx", (unsigned long long) off);
+
+	vxs = (struct vxfs_super *) volume_id_get_buffer(id, off + 0x200, 0x200);
+	if (vxs == NULL)
+		return -1;
+
+	if (vxs->vs_magic == cpu_to_le32(VXFS_SUPER_MAGIC)) {
+		snprintf(id->type_version, sizeof(id->type_version)-1, "%u", (unsigned int) vxs->vs_version);
+		volume_id_set_usage(id, VOLUME_ID_FILESYSTEM);
+		id->type = "vxfs";
+		return 0;
+	}
+
+	return -1;
+}
diff --git a/extras/volume_id/volume_id/vxfs.h b/extras/volume_id/volume_id/vxfs.h
new file mode 100644
index 0000000000..8ca45c3fdc
--- /dev/null
+++ b/extras/volume_id/volume_id/vxfs.h
@@ -0,0 +1,16 @@
+/*
+ * volume_id - reads filesystem label and uuid
+ *
+ * Copyright (C) 2005 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ *	This program is free software; you can redistribute it and/or modify it
+ *	under the terms of the GNU General Public License as published by the
+ *	Free Software Foundation version 2 of the License.
+ */
+
+#ifndef _VOLUME_ID_VXFS_
+#define _VOLUME_ID_VXFS_
+
+extern int volume_id_probe_vxfs(struct volume_id *id, uint64_t off);
+
+#endif