MdePkg: Add UEFI2.5 Ramdisk device path definition

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Feng Tian <feng.tian@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17878 6f19259b-4bc3-4df7-8a09-765794883524

diff --git a/MdePkg/Include/Protocol/DevicePath.h b/MdePkg/Include/Protocol/DevicePath.h
index 7b9a4e552056c86f8073b059889d228f0d57dad5..a3d6d96bdef878224739fdadaf0c951c0f01a3ed 100644 (file)
--- a/MdePkg/Include/Protocol/DevicePath.h
+++ b/MdePkg/Include/Protocol/DevicePath.h
@@ -21,6 +21,8 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 \r
 #include <Guid/PcAnsi.h>\r
 #include <IndustryStandard/Bluetooth.h>\r
+#include <IndustryStandard/Acpi60.h>\r
+\r
 ///\r
 /// Device Path protocol.\r
 ///\r
@@ -1075,6 +1077,62 @@ typedef struct {
   UINT64                    EndingOffset;\r
 } MEDIA_RELATIVE_OFFSET_RANGE_DEVICE_PATH;\r
 \r
+///\r
+/// This GUID defines a RAM Disk supporting a raw disk format in volatile memory.\r
+///\r
+#define EFI_VIRTUAL_DISK_GUID               EFI_ACPI_6_0_NFIT_GUID_RAM_DISK_SUPPORTING_VIRTUAL_DISK_REGION_VOLATILE\r
+\r
+extern  EFI_GUID                            gEfiVirtualDiskGuid;\r
+\r
+///\r
+/// This GUID defines a RAM Disk supporting an ISO image in volatile memory.\r
+///\r
+#define EFI_VIRTUAL_CD_GUID                 EFI_ACPI_6_0_NFIT_GUID_RAM_DISK_SUPPORTING_VIRTUAL_CD_REGION_VOLATILE\r
+\r
+extern  EFI_GUID                            gEfiVirtualCdGuid;\r
+\r
+///\r
+/// This GUID defines a RAM Disk supporting a raw disk format in persistent memory.\r
+///\r
+#define EFI_PERSISTENT_VIRTUAL_DISK_GUID    EFI_ACPI_6_0_NFIT_GUID_RAM_DISK_SUPPORTING_VIRTUAL_DISK_REGION_PERSISTENT\r
+\r
+extern  EFI_GUID                            gEfiPersistentVirtualDiskGuid;\r
+\r
+///\r
+/// This GUID defines a RAM Disk supporting an ISO image in persistent memory.\r
+///\r
+#define EFI_PERSISTENT_VIRTUAL_CD_GUID      EFI_ACPI_6_0_NFIT_GUID_RAM_DISK_SUPPORTING_VIRTUAL_CD_REGION_PERSISTENT\r
+\r
+extern  EFI_GUID                            gEfiPersistentVirtualCdGuid;\r
+\r
+///\r
+/// Media ram disk device path.\r
+///\r
+#define MEDIA_RAM_DISK_DP         0x09\r
+\r
+///\r
+/// Used to describe the ram disk device path.\r
+///\r
+typedef struct {\r
+  EFI_DEVICE_PATH_PROTOCOL        Header;\r
+  ///\r
+  /// Starting Memory Address.\r
+  ///\r
+  UINT32                          StartingAddr[2];\r
+  ///\r
+  /// Ending Memory Address.\r
+  ///\r
+  UINT32                          EndingAddr[2];\r
+  ///\r
+  /// GUID that defines the type of the RAM Disk.\r
+  ///\r
+  EFI_GUID                        TypeGuid;\r
+  ///\r
+  /// RAM Diskinstance number, if supported. The default value is zero.\r
+  ///\r
+  UINT16                          Instance;\r
+} MEDIA_RAM_DISK_DEVICE_PATH;\r
+\r
 ///\r
 /// BIOS Boot Specification Device Path.\r
 ///\r
@@ -1169,7 +1227,7 @@ typedef union {
   MEDIA_FW_VOL_DEVICE_PATH                   FirmwareVolume;\r
   MEDIA_FW_VOL_FILEPATH_DEVICE_PATH          FirmwareFile;\r
   MEDIA_RELATIVE_OFFSET_RANGE_DEVICE_PATH    Offset;\r
-\r
+  MEDIA_RAM_DISK_DEVICE_PATH                 RamDisk;\r
   BBS_BBS_DEVICE_PATH                        Bbs;\r
 } EFI_DEV_PATH;\r
 \r
@@ -1224,7 +1282,7 @@ typedef union {
   MEDIA_FW_VOL_DEVICE_PATH                   *FirmwareVolume;\r
   MEDIA_FW_VOL_FILEPATH_DEVICE_PATH          *FirmwareFile;\r
   MEDIA_RELATIVE_OFFSET_RANGE_DEVICE_PATH    *Offset;\r
-\r
+  MEDIA_RAM_DISK_DEVICE_PATH                 *RamDisk;\r
   BBS_BBS_DEVICE_PATH                        *Bbs;\r
   UINT8                                      *Raw;\r
 } EFI_DEV_PATH_PTR;\r

diff --git a/MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c b/MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c
index a05f42ce0011be4d51a3861b90be465e392ba1be..bbfff213efb8304723b562bbd73dcfb273c4e1ce 100644 (file)
--- a/MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c
+++ b/MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c
@@ -3111,6 +3111,206 @@ DevPathFromTextRelativeOffsetRange (
   return (EFI_DEVICE_PATH_PROTOCOL *) Offset;\r
 }\r
 \r
+/**\r
+  Converts a text device path node to text ram disk device path structure.\r
+\r
+  @param TextDeviceNode  The input Text device path node.\r
+\r
+  @return A pointer to the newly-created Text device path structure.\r
+\r
+**/\r
+EFI_DEVICE_PATH_PROTOCOL *\r
+DevPathFromTextRamDisk (\r
+  IN CHAR16 *TextDeviceNode\r
+  )\r
+{\r
+  CHAR16                                  *StartingAddrStr;\r
+  CHAR16                                  *EndingAddrStr;\r
+  CHAR16                                  *TypeGuidStr;\r
+  CHAR16                                  *InstanceStr;\r
+  MEDIA_RAM_DISK_DEVICE_PATH              *RamDisk;\r
+  UINT64                                  StartingAddr;\r
+  UINT64                                  EndingAddr;\r
+\r
+  StartingAddrStr = GetNextParamStr (&TextDeviceNode);\r
+  EndingAddrStr   = GetNextParamStr (&TextDeviceNode);\r
+  InstanceStr     = GetNextParamStr (&TextDeviceNode);\r
+  TypeGuidStr     = GetNextParamStr (&TextDeviceNode);\r
+  RamDisk         = (MEDIA_RAM_DISK_DEVICE_PATH *) CreateDeviceNode (\r
+                                                     MEDIA_DEVICE_PATH,\r
+                                                     MEDIA_RAM_DISK_DP,\r
+                                                     (UINT16) sizeof (MEDIA_RAM_DISK_DEVICE_PATH)\r
+                                                     );\r
+\r
+  Strtoi64 (StartingAddrStr, &StartingAddr);\r
+  WriteUnaligned64 ((UINT64 *) &(RamDisk->StartingAddr[0]), StartingAddr);\r
+  Strtoi64 (EndingAddrStr, &EndingAddr);\r
+  WriteUnaligned64 ((UINT64 *) &(RamDisk->EndingAddr[0]), EndingAddr);\r
+  RamDisk->Instance = (UINT16) Strtoi (InstanceStr);\r
+  StrToGuid (TypeGuidStr, &RamDisk->TypeGuid);\r
+\r
+  return (EFI_DEVICE_PATH_PROTOCOL *) RamDisk;\r
+}\r
+\r
+/**\r
+  Converts a text device path node to text virtual disk device path structure.\r
+\r
+  @param TextDeviceNode  The input Text device path node.\r
+\r
+  @return A pointer to the newly-created Text device path structure.\r
+\r
+**/\r
+EFI_DEVICE_PATH_PROTOCOL *\r
+DevPathFromTextVirtualDisk (\r
+  IN CHAR16 *TextDeviceNode\r
+  )\r
+{\r
+  CHAR16                                  *StartingAddrStr;\r
+  CHAR16                                  *EndingAddrStr;\r
+  CHAR16                                  *InstanceStr;\r
+  MEDIA_RAM_DISK_DEVICE_PATH              *RamDisk;\r
+  UINT64                                  StartingAddr;\r
+  UINT64                                  EndingAddr;\r
+\r
+  StartingAddrStr = GetNextParamStr (&TextDeviceNode);\r
+  EndingAddrStr   = GetNextParamStr (&TextDeviceNode);\r
+  InstanceStr     = GetNextParamStr (&TextDeviceNode);\r
+\r
+  RamDisk         = (MEDIA_RAM_DISK_DEVICE_PATH *) CreateDeviceNode (\r
+                                                     MEDIA_DEVICE_PATH,\r
+                                                     MEDIA_RAM_DISK_DP,\r
+                                                     (UINT16) sizeof (MEDIA_RAM_DISK_DEVICE_PATH)\r
+                                                     );\r
+\r
+  Strtoi64 (StartingAddrStr, &StartingAddr);\r
+  WriteUnaligned64 ((UINT64 *) &(RamDisk->StartingAddr[0]), StartingAddr);\r
+  Strtoi64 (EndingAddrStr, &EndingAddr);\r
+  WriteUnaligned64 ((UINT64 *) &(RamDisk->EndingAddr[0]), EndingAddr);\r
+  RamDisk->Instance = (UINT16) Strtoi (InstanceStr);\r
+  CopyGuid (&RamDisk->TypeGuid, &gEfiVirtualDiskGuid);\r
+\r
+  return (EFI_DEVICE_PATH_PROTOCOL *) RamDisk;\r
+}\r
+\r
+/**\r
+  Converts a text device path node to text virtual cd device path structure.\r
+\r
+  @param TextDeviceNode  The input Text device path node.\r
+\r
+  @return A pointer to the newly-created Text device path structure.\r
+\r
+**/\r
+EFI_DEVICE_PATH_PROTOCOL *\r
+DevPathFromTextVirtualCd (\r
+  IN CHAR16 *TextDeviceNode\r
+  )\r
+{\r
+  CHAR16                                  *StartingAddrStr;\r
+  CHAR16                                  *EndingAddrStr;\r
+  CHAR16                                  *InstanceStr;\r
+  MEDIA_RAM_DISK_DEVICE_PATH              *RamDisk;\r
+  UINT64                                  StartingAddr;\r
+  UINT64                                  EndingAddr;\r
+\r
+  StartingAddrStr = GetNextParamStr (&TextDeviceNode);\r
+  EndingAddrStr   = GetNextParamStr (&TextDeviceNode);\r
+  InstanceStr     = GetNextParamStr (&TextDeviceNode);\r
+\r
+  RamDisk         = (MEDIA_RAM_DISK_DEVICE_PATH *) CreateDeviceNode (\r
+                                                     MEDIA_DEVICE_PATH,\r
+                                                     MEDIA_RAM_DISK_DP,\r
+                                                     (UINT16) sizeof (MEDIA_RAM_DISK_DEVICE_PATH)\r
+                                                     );\r
+\r
+  Strtoi64 (StartingAddrStr, &StartingAddr);\r
+  WriteUnaligned64 ((UINT64 *) &(RamDisk->StartingAddr[0]), StartingAddr);\r
+  Strtoi64 (EndingAddrStr, &EndingAddr);\r
+  WriteUnaligned64 ((UINT64 *) &(RamDisk->EndingAddr[0]), EndingAddr);\r
+  RamDisk->Instance = (UINT16) Strtoi (InstanceStr);\r
+  CopyGuid (&RamDisk->TypeGuid, &gEfiVirtualCdGuid);\r
+\r
+  return (EFI_DEVICE_PATH_PROTOCOL *) RamDisk;\r
+}\r
+\r
+/**\r
+  Converts a text device path node to text persistent virtual disk device path structure.\r
+\r
+  @param TextDeviceNode  The input Text device path node.\r
+\r
+  @return A pointer to the newly-created Text device path structure.\r
+\r
+**/\r
+EFI_DEVICE_PATH_PROTOCOL *\r
+DevPathFromTextPersistentVirtualDisk (\r
+  IN CHAR16 *TextDeviceNode\r
+  )\r
+{\r
+  CHAR16                                  *StartingAddrStr;\r
+  CHAR16                                  *EndingAddrStr;\r
+  CHAR16                                  *InstanceStr;\r
+  MEDIA_RAM_DISK_DEVICE_PATH              *RamDisk;\r
+  UINT64                                  StartingAddr;\r
+  UINT64                                  EndingAddr;\r
+\r
+  StartingAddrStr = GetNextParamStr (&TextDeviceNode);\r
+  EndingAddrStr   = GetNextParamStr (&TextDeviceNode);\r
+  InstanceStr     = GetNextParamStr (&TextDeviceNode);\r
+\r
+  RamDisk         = (MEDIA_RAM_DISK_DEVICE_PATH *) CreateDeviceNode (\r
+                                                     MEDIA_DEVICE_PATH,\r
+                                                     MEDIA_RAM_DISK_DP,\r
+                                                     (UINT16) sizeof (MEDIA_RAM_DISK_DEVICE_PATH)\r
+                                                     );\r
+\r
+  Strtoi64 (StartingAddrStr, &StartingAddr);\r
+  WriteUnaligned64 ((UINT64 *) &(RamDisk->StartingAddr[0]), StartingAddr);\r
+  Strtoi64 (EndingAddrStr, &EndingAddr);\r
+  WriteUnaligned64 ((UINT64 *) &(RamDisk->EndingAddr[0]), EndingAddr);\r
+  RamDisk->Instance = (UINT16) Strtoi (InstanceStr);\r
+  CopyGuid (&RamDisk->TypeGuid, &gEfiPersistentVirtualDiskGuid);\r
+\r
+  return (EFI_DEVICE_PATH_PROTOCOL *) RamDisk;\r
+}\r
+\r
+/**\r
+  Converts a text device path node to text persistent virtual cd device path structure.\r
+\r
+  @param TextDeviceNode  The input Text device path node.\r
+\r
+  @return A pointer to the newly-created Text device path structure.\r
+\r
+**/\r
+EFI_DEVICE_PATH_PROTOCOL *\r
+DevPathFromTextPersistentVirtualCd (\r
+  IN CHAR16 *TextDeviceNode\r
+  )\r
+{\r
+  CHAR16                                  *StartingAddrStr;\r
+  CHAR16                                  *EndingAddrStr;\r
+  CHAR16                                  *InstanceStr;\r
+  MEDIA_RAM_DISK_DEVICE_PATH              *RamDisk;\r
+  UINT64                                  StartingAddr;\r
+  UINT64                                  EndingAddr;\r
+\r
+  StartingAddrStr = GetNextParamStr (&TextDeviceNode);\r
+  EndingAddrStr   = GetNextParamStr (&TextDeviceNode);\r
+  InstanceStr     = GetNextParamStr (&TextDeviceNode);\r
+\r
+  RamDisk         = (MEDIA_RAM_DISK_DEVICE_PATH *) CreateDeviceNode (\r
+                                                     MEDIA_DEVICE_PATH,\r
+                                                     MEDIA_RAM_DISK_DP,\r
+                                                     (UINT16) sizeof (MEDIA_RAM_DISK_DEVICE_PATH)\r
+                                                     );\r
+\r
+  Strtoi64 (StartingAddrStr, &StartingAddr);\r
+  WriteUnaligned64 ((UINT64 *) &(RamDisk->StartingAddr[0]), StartingAddr);\r
+  Strtoi64 (EndingAddrStr, &EndingAddr);\r
+  WriteUnaligned64 ((UINT64 *) &(RamDisk->EndingAddr[0]), EndingAddr);\r
+  RamDisk->Instance = (UINT16) Strtoi (InstanceStr);\r
+  CopyGuid (&RamDisk->TypeGuid, &gEfiPersistentVirtualCdGuid);\r
+\r
+  return (EFI_DEVICE_PATH_PROTOCOL *) RamDisk;\r
+}\r
 \r
 /**\r
   Converts a BBS text device path node to BBS device path structure.\r
@@ -3292,6 +3492,11 @@ GLOBAL_REMOVE_IF_UNREFERENCED DEVICE_PATH_FROM_TEXT_TABLE mUefiDevicePathLibDevP
   {L"Fv",                      DevPathFromTextFv                      },\r
   {L"FvFile",                  DevPathFromTextFvFile                  },\r
   {L"Offset",                  DevPathFromTextRelativeOffsetRange     },\r
+  {L"RamDisk",                 DevPathFromTextRamDisk                 },\r
+  {L"VirtualDisk",             DevPathFromTextVirtualDisk             },\r
+  {L"VirtualCD",               DevPathFromTextVirtualCd               },\r
+  {L"PersistentVirtualDisk",   DevPathFromTextPersistentVirtualDisk   },\r
+  {L"PersistentVirtualCD",     DevPathFromTextPersistentVirtualCd     },\r
 \r
   {L"BbsPath",                 DevPathFromTextBbsPath                 },\r
   {L"BBS",                     DevPathFromTextBBS                     },\r

diff --git a/MdePkg/Library/UefiDevicePathLib/DevicePathToText.c b/MdePkg/Library/UefiDevicePathLib/DevicePathToText.c
index 68b937293eb8aad749741dcb92768fe9aabc912b..e82a70484c09e7a09cf5753a9456bd00c93b3827 100644 (file)
--- a/MdePkg/Library/UefiDevicePathLib/DevicePathToText.c
+++ b/MdePkg/Library/UefiDevicePathLib/DevicePathToText.c
@@ -1857,6 +1857,75 @@ DevPathRelativeOffsetRange (
     );\r
 }\r
 \r
+/**\r
+  Converts a Ram Disk device path structure to its string representative.\r
+\r
+  @param Str             The string representative of input device.\r
+  @param DevPath         The input device path structure.\r
+  @param DisplayOnly     If DisplayOnly is TRUE, then the shorter text representation\r
+                         of the display node is used, where applicable. If DisplayOnly\r
+                         is FALSE, then the longer text representation of the display node\r
+                         is used.\r
+  @param AllowShortcuts  If AllowShortcuts is TRUE, then the shortcut forms of text\r
+                         representation for a device node can be used, where applicable.\r
+\r
+**/\r
+VOID\r
+DevPathToTextRamDisk (\r
+  IN OUT POOL_PRINT       *Str,\r
+  IN VOID                 *DevPath,\r
+  IN BOOLEAN              DisplayOnly,\r
+  IN BOOLEAN              AllowShortcuts\r
+  )\r
+{\r
+  MEDIA_RAM_DISK_DEVICE_PATH *RamDisk;\r
+\r
+  RamDisk = DevPath;\r
+\r
+  if (CompareGuid (&RamDisk->TypeGuid, &gEfiVirtualDiskGuid)) {\r
+    UefiDevicePathLibCatPrint (\r
+      Str,\r
+      L"VirtualDisk(0x%lx,0x%lx,%d)",\r
+      RShiftU64 ((UINT64)RamDisk->StartingAddr[1], 32) | RamDisk->StartingAddr[0],\r
+      RShiftU64 ((UINT64)RamDisk->EndingAddr[1], 32) | RamDisk->EndingAddr[0],\r
+      RamDisk->Instance\r
+      );\r
+  } else if (CompareGuid (&RamDisk->TypeGuid, &gEfiVirtualCdGuid)) {\r
+    UefiDevicePathLibCatPrint (\r
+      Str,\r
+      L"VirtualCD(0x%lx,0x%lx,%d)",\r
+      RShiftU64 ((UINT64)RamDisk->StartingAddr[1], 32) | RamDisk->StartingAddr[0],\r
+      RShiftU64 ((UINT64)RamDisk->EndingAddr[1], 32) | RamDisk->EndingAddr[0],\r
+      RamDisk->Instance\r
+      );\r
+  } else if (CompareGuid (&RamDisk->TypeGuid, &gEfiPersistentVirtualDiskGuid)) {\r
+    UefiDevicePathLibCatPrint (\r
+      Str,\r
+      L"PersistentVirtualDisk(0x%lx,0x%lx,%d)",\r
+      RShiftU64 ((UINT64)RamDisk->StartingAddr[1], 32) | RamDisk->StartingAddr[0],\r
+      RShiftU64 ((UINT64)RamDisk->EndingAddr[1], 32) | RamDisk->EndingAddr[0],\r
+      RamDisk->Instance\r
+      );\r
+  } else if (CompareGuid (&RamDisk->TypeGuid, &gEfiPersistentVirtualCdGuid)) {\r
+    UefiDevicePathLibCatPrint (\r
+      Str,\r
+      L"PersistentVirtualCD(0x%lx,0x%lx,%d)",\r
+      RShiftU64 ((UINT64)RamDisk->StartingAddr[1], 32) | RamDisk->StartingAddr[0],\r
+      RShiftU64 ((UINT64)RamDisk->EndingAddr[1], 32) | RamDisk->EndingAddr[0],\r
+      RamDisk->Instance\r
+      );\r
+  } else {\r
+    UefiDevicePathLibCatPrint (\r
+      Str,\r
+      L"RamDisk(0x%lx,0x%lx,%d,%g)",\r
+      RShiftU64 ((UINT64)RamDisk->StartingAddr[1], 32) | RamDisk->StartingAddr[0],\r
+      RShiftU64 ((UINT64)RamDisk->EndingAddr[1], 32) | RamDisk->EndingAddr[0],\r
+      RamDisk->Instance,\r
+      &RamDisk->TypeGuid\r
+      );\r
+  }\r
+}\r
+\r
 /**\r
   Converts a BIOS Boot Specification device path structure to its string representative.\r
 \r
@@ -2057,6 +2126,7 @@ GLOBAL_REMOVE_IF_UNREFERENCED const DEVICE_PATH_TO_TEXT_TABLE mUefiDevicePathLib
   {MEDIA_DEVICE_PATH,     MEDIA_PIWG_FW_VOL_DP,             DevPathToTextFv             },\r
   {MEDIA_DEVICE_PATH,     MEDIA_PIWG_FW_FILE_DP,            DevPathToTextFvFile         },\r
   {MEDIA_DEVICE_PATH,     MEDIA_RELATIVE_OFFSET_RANGE_DP,   DevPathRelativeOffsetRange  },\r
+  {MEDIA_DEVICE_PATH,     MEDIA_RAM_DISK_DP,                DevPathToTextRamDisk        },\r
   {BBS_DEVICE_PATH,       BBS_BBS_DP,                       DevPathToTextBBS            },\r
   {END_DEVICE_PATH_TYPE,  END_INSTANCE_DEVICE_PATH_SUBTYPE, DevPathToTextEndInstance    },\r
   {0, 0, NULL}\r

diff --git a/MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.inf b/MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.inf
index f4ae91f59aad49952ac5e1b1a01f12c682f74a77..c76275b9d786c17381c776503e7d95eef4c47a29 100644 (file)
--- a/MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.inf
+++ b/MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.inf
@@ -61,6 +61,14 @@
   gEfiUartDevicePathGuid\r
   ## SOMETIMES_CONSUMES  ## GUID\r
   gEfiSasDevicePathGuid\r
+  ## SOMETIMES_CONSUMES  ## GUID\r
+  gEfiVirtualDiskGuid\r
+  ## SOMETIMES_CONSUMES  ## GUID\r
+  gEfiVirtualCdGuid\r
+  ## SOMETIMES_CONSUMES  ## GUID\r
+  gEfiPersistentVirtualDiskGuid\r
+  ## SOMETIMES_CONSUMES  ## GUID\r
+  gEfiPersistentVirtualCdGuid\r
 \r
 [Protocols]\r
   gEfiDevicePathProtocolGuid                    ## SOMETIMES_CONSUMES\r

diff --git a/MdePkg/MdePkg.dec b/MdePkg/MdePkg.dec
index d457ce33a95a1cb072dcbbf949be2499b3b5efc1..bda6550ed6c6267e6ace933718f6e55646828a9b 100644 (file)
--- a/MdePkg/MdePkg.dec
+++ b/MdePkg/MdePkg.dec
@@ -598,6 +598,12 @@
   gEfiBootManagerPolicyNetworkGuid    = { 0xD04159DC, 0xE15F, 0x11E3, { 0xB2, 0x61, 0xB8, 0xE8, 0x56, 0x2C, 0xBA, 0xFA }}\r
   gEfiBootManagerPolicyConnectAllGuid = { 0x113B2126, 0xFC8A, 0x11E3, { 0xBD, 0x6C, 0xB8, 0xE8, 0x56, 0x2C, 0xBA, 0xFA }}\r
 \r
+  ## Include/Protocol/DevicePath.h\r
+  gEfiVirtualDiskGuid            = { 0x77AB535A, 0x45FC, 0x624B, {0x55, 0x60, 0xF7, 0xB2, 0x81, 0xD1, 0xF9, 0x6E }}\r
+  gEfiVirtualCdGuid              = { 0x3D5ABD30, 0x4175, 0x87CE, {0x6D, 0x64, 0xD2, 0xAD, 0xE5, 0x23, 0xC4, 0xBB }}\r
+  gEfiPersistentVirtualDiskGuid  = { 0x5CEA02C9, 0x4D07, 0x69D3, {0x26, 0x9F ,0x44, 0x96, 0xFB, 0xE0, 0x96, 0xF9 }}\r
+  gEfiPersistentVirtualCdGuid    = { 0x08018188, 0x42CD, 0xBB48, {0x10, 0x0F, 0x53, 0x87, 0xD5, 0x3D, 0xED, 0x3D }}\r
+\r
   #\r
   # GUID defined in PI1.0\r
   #\r