[PATCH] blkid: Add support for VMFS

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Signed-off-by: Mike Hommey <mh@xxxxxxxxxxxx>
---

I tested this on master this time and it works properly.

 shlibs/blkid/src/superblocks/Makefile.am   |    3 +-
 shlibs/blkid/src/superblocks/superblocks.c |    4 +-
 shlibs/blkid/src/superblocks/superblocks.h |    2 +
 shlibs/blkid/src/superblocks/vmfs.c        |   99 ++++++++++++++++++++++++++++
 4 files changed, 106 insertions(+), 2 deletions(-)
 create mode 100644 shlibs/blkid/src/superblocks/vmfs.c

diff --git a/shlibs/blkid/src/superblocks/Makefile.am b/shlibs/blkid/src/superblocks/Makefile.am
index a7c4a23..3db0254 100644
--- a/shlibs/blkid/src/superblocks/Makefile.am
+++ b/shlibs/blkid/src/superblocks/Makefile.am
@@ -43,4 +43,5 @@ libblkid_superblocks_la_SOURCES = \
 			lvm.c \
 			zfs.c \
 			ubifs.c \
-			bfs.c
+			bfs.c \
+			vmfs.c
diff --git a/shlibs/blkid/src/superblocks/superblocks.c b/shlibs/blkid/src/superblocks/superblocks.c
index d2c7825..201e7a2 100644
--- a/shlibs/blkid/src/superblocks/superblocks.c
+++ b/shlibs/blkid/src/superblocks/superblocks.c
@@ -95,6 +95,7 @@ static const struct blkid_idinfo *idinfos[] =
 	&lvm1_idinfo,
 	&snapcow_idinfo,
 	&luks_idinfo,
+	&vmfs_volume_idinfo,
 
 	/* Filesystems */
 	&vfat_idinfo,
@@ -132,7 +133,8 @@ static const struct blkid_idinfo *idinfos[] =
 	&netware_idinfo,
 	&btrfs_idinfo,
 	&ubifs_idinfo,
-	&bfs_idinfo
+	&bfs_idinfo,
+	&vmfs_fs_idinfo
 };
 
 /*
diff --git a/shlibs/blkid/src/superblocks/superblocks.h b/shlibs/blkid/src/superblocks/superblocks.h
index 641397a..d1f5559 100644
--- a/shlibs/blkid/src/superblocks/superblocks.h
+++ b/shlibs/blkid/src/superblocks/superblocks.h
@@ -61,6 +61,8 @@ extern const struct blkid_idinfo btrfs_idinfo;
 extern const struct blkid_idinfo ubifs_idinfo;
 extern const struct blkid_idinfo zfs_idinfo;
 extern const struct blkid_idinfo bfs_idinfo;
+extern const struct blkid_idinfo vmfs_volume_idinfo;
+extern const struct blkid_idinfo vmfs_fs_idinfo;
 
 /*
  * superblock functions
diff --git a/shlibs/blkid/src/superblocks/vmfs.c b/shlibs/blkid/src/superblocks/vmfs.c
new file mode 100644
index 0000000..5610754
--- /dev/null
+++ b/shlibs/blkid/src/superblocks/vmfs.c
@@ -0,0 +1,99 @@
+/*
+ * Copyright (C) 2009 Mike Hommey <mh@xxxxxxxxxxxx>
+ *
+ * This file may be redistributed under the terms of the
+ * GNU Lesser General Public License.
+ */
+#include "superblocks.h"
+
+struct vmfs_fs_info {
+	uint32_t magic;
+	uint32_t volume_version;
+	uint8_t version;
+	uint8_t uuid[16];
+	uint32_t mode;
+	char label[128];
+} __attribute__ ((__packed__));
+
+struct vmfs_volume_info {
+	uint32_t magic;
+	uint32_t ver;
+	uint8_t irrelevant[122];
+	uint8_t uuid[16];
+} __attribute__ ((__packed__));
+
+static int probe_vmfs_fs(blkid_probe pr, const struct blkid_idmag *mag)
+{
+	struct vmfs_fs_info *header;
+
+	header = blkid_probe_get_sb(pr, mag, struct vmfs_fs_info);
+	if (header == NULL)
+		return -1;
+
+	blkid_probe_sprintf_uuid(pr, (unsigned char *) header->uuid, 16,
+		"%02x%02x%02x%02x-%02x%02x%02x%02x-"
+		"%02x%02x-%02x%02x%02x%02x%02x%02x",
+		header->uuid[3], header->uuid[2], header->uuid[1],
+		header->uuid[0], header->uuid[7], header->uuid[6],
+		header->uuid[5], header->uuid[4], header->uuid[9],
+		header->uuid[8], header->uuid[10], header->uuid[11],
+		header->uuid[12], header->uuid[13], header->uuid[14],
+		header->uuid[15]);
+	blkid_probe_set_label(pr, (unsigned char *) header->label,
+		sizeof(header->label));
+	blkid_probe_sprintf_version(pr, "%u", header->version);
+	return 0;
+}
+
+static int probe_vmfs_volume(blkid_probe pr, const struct blkid_idmag *mag)
+{
+	struct vmfs_volume_info *header;
+	unsigned char *lvm_uuid;
+
+	header = blkid_probe_get_sb(pr, mag, struct vmfs_volume_info);
+	if (header == NULL)
+		return -1;
+
+	blkid_probe_sprintf_value(pr, "UUID_SUB",
+		"%02x%02x%02x%02x-%02x%02x%02x%02x-"
+		"%02x%02x-%02x%02x%02x%02x%02x%02x",
+		header->uuid[3], header->uuid[2], header->uuid[1],
+		header->uuid[0], header->uuid[7], header->uuid[6],
+		header->uuid[5], header->uuid[4], header->uuid[9],
+		header->uuid[8], header->uuid[10], header->uuid[11],
+		header->uuid[12], header->uuid[13], header->uuid[14],
+		header->uuid[15]);
+	blkid_probe_sprintf_version(pr, "%u", le32_to_cpu(header->ver));
+
+	lvm_uuid = blkid_probe_get_buffer(pr,
+				1024 * 1024 /* Start of the volume info */
+				+ 512 /* Offset to lvm info */
+				+ 20 /* Offset in lvm info */, 35);
+	blkid_probe_strncpy_uuid(pr, lvm_uuid, 35);
+
+	return 0;
+}
+
+const struct blkid_idinfo vmfs_fs_idinfo =
+{
+	.name		= "VMFS",
+	.usage		= BLKID_USAGE_FILESYSTEM,
+	.probefunc	= probe_vmfs_fs,
+	.magics		=
+	{
+		{ .magic = "\x5e\xf1\xab\x2f", .len = 4, .kboff = 2048 },
+		{ NULL }
+	}
+};
+
+const struct blkid_idinfo vmfs_volume_idinfo =
+{
+	.name		= "VMFS_volume_member",
+	.usage		= BLKID_USAGE_RAID,
+	.probefunc	= probe_vmfs_volume,
+	.magics		=
+	{
+		{ .magic = "\x0d\xd0\x01\xc0", .len = 4, .kboff = 1024 },
+		{ NULL }
+	}
+};
-- 
1.6.4.3

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