Add device path node/text conversion for NVMe device path node.

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

diff --git a/MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c b/MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c
index 37d7a1752b76a67222c1dd641f8cd2c9cf3a91ff..6ec0a4c0bdbc2956387a135924bc0befdb9f379b 100644 (file)
--- a/MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c
+++ b/MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c
@@ -1771,6 +1771,44 @@ DevPathFromTextSasEx (
   return (EFI_DEVICE_PATH_PROTOCOL *) SasEx;\r
 }\r
 \r
+/**\r
+  Converts a text device path node to NVM Express Namespace device path structure.\r
+\r
+  @param TextDeviceNode  The input Text device path node.\r
+\r
+  @return A pointer to the newly-created NVM Express Namespace device path structure.\r
+\r
+**/\r
+EFI_DEVICE_PATH_PROTOCOL *\r
+DevPathFromTextNVMe (\r
+  IN CHAR16 *TextDeviceNode\r
+  )\r
+{\r
+  CHAR16                     *NamespaceIdStr;\r
+  CHAR16                     *NamespaceUuidStr;\r
+  NVME_NAMESPACE_DEVICE_PATH *Nvme;\r
+  UINT8                      *Uuid;\r
+  UINTN                      Index;\r
+\r
+  NamespaceIdStr   = GetNextParamStr (&TextDeviceNode);\r
+  NamespaceUuidStr = GetNextParamStr (&TextDeviceNode);\r
+  Nvme = (NVME_NAMESPACE_DEVICE_PATH *) CreateDeviceNode (\r
+    MESSAGING_DEVICE_PATH,\r
+    MSG_NVME_NAMESPACE_DP,\r
+    (UINT16) sizeof (NVME_NAMESPACE_DEVICE_PATH)\r
+    );\r
+\r
+  Nvme->NamespaceId = (UINT32) Strtoi (NamespaceIdStr);\r
+  Uuid = (UINT8 *) &Nvme->NamespaceUuid;\r
+\r
+  Index = sizeof (Nvme->NamespaceUuid) / sizeof (UINT8);\r
+  while (Index-- != 0) {\r
+    Uuid[Index] = (UINT8) StrHexToUintn (SplitStr (&NamespaceUuidStr, L'-'));\r
+  }\r
+\r
+  return (EFI_DEVICE_PATH_PROTOCOL *) Nvme;\r
+}\r
+\r
 /**\r
   Converts a text device path node to Debug Port device path structure.\r
 \r
@@ -3040,6 +3078,7 @@ GLOBAL_REMOVE_IF_UNREFERENCED DEVICE_PATH_FROM_TEXT_TABLE mUefiDevicePathLibDevP
   {L"UartFlowCtrl",            DevPathFromTextUartFlowCtrl            },\r
   {L"SAS",                     DevPathFromTextSAS                     },\r
   {L"SasEx",                   DevPathFromTextSasEx                   },\r
+  {L"NVMe",                    DevPathFromTextNVMe                    },\r
   {L"DebugPort",               DevPathFromTextDebugPort               },\r
   {L"MAC",                     DevPathFromTextMAC                     },\r
   {L"IPv4",                    DevPathFromTextIPv4                    },\r