diff --git a/sdk/xtdk/xtuefi.h b/sdk/xtdk/xtuefi.h
index aba4c71..5597127 100644
--- a/sdk/xtdk/xtuefi.h
+++ b/sdk/xtdk/xtuefi.h
@@ -314,10 +314,14 @@ typedef struct _EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL EFI_PLATFORM_DRIVER_OVERRI
 typedef struct _EFI_BUS_SPECIFIC_DRIVER_OVERRIDE_PROTOCOL EFI_BUS_SPECIFIC_DRIVER_OVERRIDE_PROTOCOL, *PEFI_BUS_SPECIFIC_DRIVER_OVERRIDE_PROTOCOL;
 typedef struct _EFI_DRIVER_FAMILY_OVERRIDE_PROTOCOL EFI_DRIVER_FAMILY_OVERRIDE_PROTOCOL, *PEFI_DRIVER_FAMILY_OVERRIDE_PROTOCOL;
 typedef struct _EFI_EBC_PROTOCOL EFI_EBC_PROTOCOL, *PEFI_EBC_PROTOCOL;
+typedef struct _EFI_PARTITION_HEADER EFI_PARTITION_HEADER, *PEFI_PARTITION_HEADER;
 typedef struct _EFI_MBR_PARTITION_RECORD EFI_MBR_PARTITION_RECORD, *PEFI_MBR_PARTITION_RECORD;
 typedef struct _EFI_MASTER_BOOT_RECORD EFI_MASTER_BOOT_RECORD, *PEFI_MASTER_BOOT_RECORD;
 typedef struct _EFI_GPT_PARTITION_TABLE_HEADER EFI_GPT_PARTITION_TABLE_HEADER, *PEFI_GPT_PARTITION_TABLE_HEADER;
 typedef struct _EFI_GPT_PARTITION_ENTRY EFI_GPT_PARTITION_ENTRY, *PEFI_GPT_PARTITION_ENTRY;
+typedef struct _EFI_FILE_HEADER EFI_FILE_HEADER, *PEFI_FILE_HEADER;
+typedef struct _EFI_LBAL EFI_LBAL, *PEFI_LBAL;
+typedef struct _EFI_RL EFI_RL, *PEFI_RL;
 typedef struct _EFI_UART_IO_MODE EFI_UART_IO_MODE, *PEFI_UART_IO_MODE;
 typedef struct _EFI_UART_IO_PROTOCOL EFI_UART_IO_PROTOCOL, *PEFI_UART_IO_PROTOCOL;
 
@@ -1625,6 +1629,20 @@ typedef struct _EFI_EBC_PROTOCOL
     PEFI_EBC_GET_VERSION GetVersion;
 } EFI_EBC_PROTOCOL, *PEFI_EBC_PROTOCOL;
 
+/* EFI partition header */
+typedef struct _EFI_PARTITION_HEADER
+{
+    EFI_TABLE_HEADER Hdr;
+    UINT32 DirectoryAllocationNumber;
+    UINT32 BlockSize;
+    EFI_LBA FirstUsableLba;
+    EFI_LBA LastUsableLba;
+    EFI_LBA UnusableSpace;
+    EFI_LBA FreeSpace;
+    EFI_LBA RootFile;
+    EFI_LBA SecutiryFile;
+} EFI_PARTITION_HEADER, *PEFI_PARTITION_HEADER;
+
 /* MBR partition information */
 typedef struct _EFI_MBR_PARTITION_RECORD
 {
@@ -1676,6 +1694,39 @@ typedef struct _EFI_GPT_PARTITION_ENTRY
     UINT16 PartitionName[36];
 } EFI_GPT_PARTITION_ENTRY, *PEFI_GPT_PARTITION_ENTRY;
 
+/* EFI file header */
+typedef struct _EFI_FILE_HEADER
+{
+    EFI_TABLE_HEADER Hdr;
+    UINT32 Class;
+    UINT32 LBALOffset;
+    EFI_LBA Parent;
+    UINT64 FileSize;
+    UINT64 FileAttributes;
+    EFI_TIME FileCreateTime;
+    EFI_TIME FileModificationTime;
+    EFI_GUID VendorGuid;
+    UINT16 FileString[260];
+} EFI_FILE_HEADER, *PEFI_FILE_HEADER;
+
+/* Logical Block Address List (LBA List) */
+typedef struct _EFI_LBAL
+{
+    EFI_TABLE_HEADER Hdr;
+    UINT32 Class;
+    EFI_LBA Parent;
+    EFI_LBA Next;
+    UINT32 ArraySize;
+    UINT32 ArrayCount;
+} EFI_LBAL, *PEFI_LBAL;
+
+/* Logical Block run-length */
+typedef struct _EFI_RL
+{
+    EFI_LBA     Start;
+    UINT64      Length;
+} EFI_RL, *PEFI_RL;
+
 /* EFI UART I/O mode */
 typedef struct _EFI_UART_IO_MODE
 {