This patch adds a fewe more UDF structures in order to detect Logical
Volume and Partition descriptors during Main Volume Descriptor Sequence
in Partition driver.

Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Paulo Alcantara <pcacjr@zytor.com>
---
 MdePkg/Include/IndustryStandard/Udf.h | 63 +++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)

diff --git a/MdePkg/Include/IndustryStandard/Udf.h b/MdePkg/Include/IndustryStandard/Udf.h
index 0febb4bcda..6cc42f8543 100644
--- a/MdePkg/Include/IndustryStandard/Udf.h
+++ b/MdePkg/Include/IndustryStandard/Udf.h
@@ -27,9 +27,19 @@
 #define _GET_TAG_ID(_Pointer) \
   (((UDF_DESCRIPTOR_TAG *)(_Pointer))->TagIdentifier)
 
+#define IS_PD(_Pointer) \
+  ((BOOLEAN)(_GET_TAG_ID (_Pointer) == 5))
+#define IS_LVD(_Pointer) \
+  ((BOOLEAN)(_GET_TAG_ID (_Pointer) == 6))
+#define IS_TD(_Pointer) \
+  ((BOOLEAN)(_GET_TAG_ID (_Pointer) == 8))
+
 #define IS_AVDP(_Pointer) \
   ((BOOLEAN)(_GET_TAG_ID (_Pointer) == 2))
 
+#define LV_UDF_REVISION(_Lv) \
+  *(UINT16 *)(UINTN)(_Lv)->DomainIdentifier.IdentifierSuffix
+
 #pragma pack(1)
 
 typedef struct {
@@ -55,6 +65,59 @@ typedef struct {
   UINT8               Reserved[480];
 } UDF_ANCHOR_VOLUME_DESCRIPTOR_POINTER;
 
+typedef struct {
+  UINT8           CharacterSetType;
+  UINT8           CharacterSetInfo[63];
+} UDF_CHAR_SPEC;
+
+typedef struct {
+  UINT8           Flags;
+  UINT8           Identifier[23];
+  UINT8           IdentifierSuffix[8];
+} UDF_ENTITY_ID;
+
+typedef struct {
+  UINT32        LogicalBlockNumber;
+  UINT16        PartitionReferenceNumber;
+} UDF_LB_ADDR;
+
+typedef struct {
+  UINT32                           ExtentLength;
+  UDF_LB_ADDR                      ExtentLocation;
+  UINT8                            ImplementationUse[6];
+} UDF_LONG_ALLOCATION_DESCRIPTOR;
+
+typedef struct {
+  UDF_DESCRIPTOR_TAG              DescriptorTag;
+  UINT32                          VolumeDescriptorSequenceNumber;
+  UDF_CHAR_SPEC                   DescriptorCharacterSet;
+  UINT8                           LogicalVolumeIdentifier[128];
+  UINT32                          LogicalBlockSize;
+  UDF_ENTITY_ID                   DomainIdentifier;
+  UDF_LONG_ALLOCATION_DESCRIPTOR  LogicalVolumeContentsUse;
+  UINT32                          MapTableLength;
+  UINT32                          NumberOfPartitionMaps;
+  UDF_ENTITY_ID                   ImplementationIdentifier;
+  UINT8                           ImplementationUse[128];
+  UDF_EXTENT_AD                   IntegritySequenceExtent;
+  UINT8                           PartitionMaps[6];
+} UDF_LOGICAL_VOLUME_DESCRIPTOR;
+
+typedef struct {
+  UDF_DESCRIPTOR_TAG         DescriptorTag;
+  UINT32                     VolumeDescriptorSequenceNumber;
+  UINT16                     PartitionFlags;
+  UINT16                     PartitionNumber;
+  UDF_ENTITY_ID              PartitionContents;
+  UINT8                      PartitionContentsUse[128];
+  UINT32                     AccessType;
+  UINT32                     PartitionStartingLocation;
+  UINT32                     PartitionLength;
+  UDF_ENTITY_ID              ImplementationIdentifier;
+  UINT8                      ImplementationUse[128];
+  UINT8                      Reserved[156];
+} UDF_PARTITION_DESCRIPTOR;
+
 #pragma pack()
 
 #endif
-- 
2.11.0

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