MdePkg: Add BMC device path definition and its node/text conversion

[mirror_edk2.git] / MdePkg / Library / UefiDevicePathLib / DevicePathFromText.c

diff --git a/MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c b/MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c
index bbfff213efb8304723b562bbd73dcfb273c4e1ce..b8966854b2f33110f4b2929e1edbc96b6d090a4a 100644 (file)
--- a/MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c
+++ b/MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c
@@ -793,6 +793,40 @@ DevPathFromTextCtrl (
   return (EFI_DEVICE_PATH_PROTOCOL *) Controller;\r
 }\r
 \r
+/**\r
+  Converts a text device path node to BMC device path structure.\r
+\r
+  @param TextDeviceNode  The input Text device path node.\r
+\r
+  @return A pointer to the newly-created BMC device path structure.\r
+\r
+**/\r
+EFI_DEVICE_PATH_PROTOCOL *\r
+DevPathFromTextBmc (\r
+  IN CHAR16 *TextDeviceNode\r
+  )\r
+{\r
+  CHAR16                *InterfaceTypeStr;\r
+  CHAR16                *BaseAddressStr;\r
+  BMC_DEVICE_PATH       *BmcDp;\r
+\r
+  InterfaceTypeStr = GetNextParamStr (&TextDeviceNode);\r
+  BaseAddressStr   = GetNextParamStr (&TextDeviceNode);\r
+  BmcDp            = (BMC_DEVICE_PATH *) CreateDeviceNode (\r
+                                           HARDWARE_DEVICE_PATH,\r
+                                           HW_BMC_DP,\r
+                                           (UINT16) sizeof (BMC_DEVICE_PATH)\r
+                                           );\r
+\r
+  BmcDp->InterfaceType = (UINT8) Strtoi (InterfaceTypeStr);\r
+  WriteUnaligned64 (\r
+    (UINT64 *) (&BmcDp->BaseAddress),\r
+    StrHexToUint64 (BaseAddressStr)\r
+    );\r
+\r
+  return (EFI_DEVICE_PATH_PROTOCOL *) BmcDp;\r
+}\r
+\r
 /**\r
   Converts a generic ACPI text device path node to ACPI device path structure.\r
 \r
@@ -3423,6 +3457,7 @@ GLOBAL_REMOVE_IF_UNREFERENCED DEVICE_PATH_FROM_TEXT_TABLE mUefiDevicePathLibDevP
   {L"MemoryMapped",            DevPathFromTextMemoryMapped            },\r
   {L"VenHw",                   DevPathFromTextVenHw                   },\r
   {L"Ctrl",                    DevPathFromTextCtrl                    },\r
+  {L"Bmc",                     DevPathFromTextBmc                     },\r
 \r
   {L"AcpiPath",                DevPathFromTextAcpiPath                },\r
   {L"Acpi",                    DevPathFromTextAcpi                    },\r