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[mirror_edk2.git] / NetworkPkg / IScsiDxe / ComponentName.c

diff --git a/NetworkPkg/IScsiDxe/ComponentName.c b/NetworkPkg/IScsiDxe/ComponentName.c
index e4e28e8961efdacace45bb37ee070e67d6439c2b..77e6f3858a29272647219851bce7f2a933febedc 100644 (file)
--- a/NetworkPkg/IScsiDxe/ComponentName.c
+++ b/NetworkPkg/IScsiDxe/ComponentName.c
@@ -1,14 +1,8 @@
 /** @file\r
   UEFI Component Name(2) protocol implementation for iSCSI.\r
 \r
-Copyright (c) 2004 - 2011, Intel Corporation. All rights reserved.<BR>\r
-This program and the accompanying materials\r
-are licensed and made available under the terms and conditions of the BSD License\r
-which accompanies this distribution.  The full text of the license may be found at\r
-http://opensource.org/licenses/bsd-license.php\r
-\r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>\r
+SPDX-License-Identifier: BSD-2-Clause-Patent\r
 \r
 **/\r
 \r
@@ -43,6 +37,8 @@ GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE     mIScsiDriverNameTable
   }\r
 };\r
 \r
+GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE  *gIScsiControllerNameTable = NULL;\r
+\r
 /**\r
   Retrieves a Unicode string that is the user readable name of the driver.\r
 \r
@@ -99,6 +95,68 @@ IScsiComponentNameGetDriverName (
            );\r
 }\r
 \r
+/**\r
+  Update the component name for the iSCSI instance.\r
+\r
+  @param[in]  IScsiExtScsiPassThru  A pointer to the EFI_EXT_SCSI_PASS_THRU_PROTOCOL instance.\r
+  @param[in]  Ipv6Flag              TRUE if IP6 network stack is used.\r
+\r
+  @retval EFI_SUCCESS               Update the ControllerNameTable of this instance successfully.\r
+  @retval EFI_INVALID_PARAMETER     The input parameter is invalid.\r
+  @retval EFI_UNSUPPORTED           Can't get the corresponding NIC info from the Controller handle.\r
+\r
+**/\r
+EFI_STATUS\r
+UpdateName (\r
+  IN   EFI_EXT_SCSI_PASS_THRU_PROTOCOL *IScsiExtScsiPassThru,\r
+  IN   BOOLEAN     Ipv6Flag\r
+  )\r
+{\r
+  EFI_STATUS                       Status;\r
+  CHAR16                           HandleName[80];\r
+  ISCSI_DRIVER_DATA                *Private;\r
+  UINT8                            NicIndex;\r
+\r
+  if (IScsiExtScsiPassThru == NULL) {\r
+    return EFI_INVALID_PARAMETER;\r
+  }\r
+\r
+  Private  = ISCSI_DRIVER_DATA_FROM_EXT_SCSI_PASS_THRU (IScsiExtScsiPassThru);\r
+  NicIndex = Private->Session->ConfigData->NicIndex;\r
+\r
+  UnicodeSPrint (\r
+    HandleName,\r
+    sizeof (HandleName),\r
+    L"iSCSI (%s, NicIndex=%d)",\r
+    Ipv6Flag ? L"IPv6" : L"IPv4",\r
+    NicIndex\r
+  );\r
+\r
+  if (gIScsiControllerNameTable != NULL) {\r
+    FreeUnicodeStringTable (gIScsiControllerNameTable);\r
+    gIScsiControllerNameTable = NULL;\r
+  }\r
+\r
+  Status = AddUnicodeString2 (\r
+             "eng",\r
+             gIScsiComponentName.SupportedLanguages,\r
+             &gIScsiControllerNameTable,\r
+             HandleName,\r
+             TRUE\r
+             );\r
+  if (EFI_ERROR (Status)) {\r
+    return Status;\r
+  }\r
+\r
+  return AddUnicodeString2 (\r
+           "en",\r
+           gIScsiComponentName2.SupportedLanguages,\r
+           &gIScsiControllerNameTable,\r
+           HandleName,\r
+           FALSE\r
+           );\r
+}\r
+\r
 /**\r
   Retrieves a Unicode string that is the user readable name of the controller\r
   that is being managed by a driver.\r
@@ -177,5 +235,104 @@ IScsiComponentNameGetControllerName (
   OUT CHAR16                        **ControllerName\r
   )\r
 {\r
-  return EFI_UNSUPPORTED;\r
+  EFI_STATUS                      Status;\r
+\r
+  EFI_HANDLE                      IScsiController;\r
+  BOOLEAN                         Ipv6Flag;\r
+  EFI_GUID                        *IScsiPrivateGuid;\r
+  ISCSI_PRIVATE_PROTOCOL          *IScsiIdentifier;\r
+\r
+  EFI_EXT_SCSI_PASS_THRU_PROTOCOL *IScsiExtScsiPassThru;\r
+\r
+  if (ControllerHandle == NULL) {\r
+    return EFI_UNSUPPORTED;\r
+  }\r
+\r
+  //\r
+  // Get the handle of the controller we are controling.\r
+  //\r
+  IScsiController = NetLibGetNicHandle (ControllerHandle, &gEfiTcp4ProtocolGuid);\r
+  if (IScsiController != NULL) {\r
+    IScsiPrivateGuid = &gIScsiV4PrivateGuid;\r
+    Ipv6Flag = FALSE;\r
+  } else {\r
+    IScsiController = NetLibGetNicHandle (ControllerHandle, &gEfiTcp6ProtocolGuid);\r
+    if (IScsiController != NULL) {\r
+      IScsiPrivateGuid = &gIScsiV6PrivateGuid;\r
+      Ipv6Flag = TRUE;\r
+    } else {\r
+      return EFI_UNSUPPORTED;\r
+    }\r
+  }\r
+\r
+  Status = gBS->OpenProtocol (\r
+                  IScsiController,\r
+                  IScsiPrivateGuid,\r
+                  (VOID **) &IScsiIdentifier,\r
+                  NULL,\r
+                  NULL,\r
+                  EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
+                  );\r
+  if (EFI_ERROR (Status)) {\r
+    return Status;\r
+  }\r
+\r
+  if(ChildHandle != NULL) {\r
+    if(!Ipv6Flag) {\r
+      //\r
+      // Make sure this driver produced ChildHandle\r
+      //\r
+      Status = EfiTestChildHandle (\r
+                 ControllerHandle,\r
+                 ChildHandle,\r
+                 &gEfiTcp4ProtocolGuid\r
+                 );\r
+      if (EFI_ERROR (Status)) {\r
+        return Status;\r
+      }\r
+    } else {\r
+      //\r
+      // Make sure this driver produced ChildHandle\r
+      //\r
+      Status = EfiTestChildHandle (\r
+                 ControllerHandle,\r
+                 ChildHandle,\r
+                 &gEfiTcp6ProtocolGuid\r
+                 );\r
+      if (EFI_ERROR (Status)) {\r
+        return Status;\r
+      }\r
+    }\r
+\r
+    //\r
+    // Retrieve an instance of a produced protocol from ChildHandle\r
+    //\r
+    Status = gBS->OpenProtocol (\r
+                    ChildHandle,\r
+                    &gEfiExtScsiPassThruProtocolGuid,\r
+                   (VOID **)&IScsiExtScsiPassThru,\r
+                    NULL,\r
+                    NULL,\r
+                    EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
+                    );\r
+    if (EFI_ERROR (Status)) {\r
+      return Status;\r
+    }\r
+\r
+    //\r
+    // Update the component name for this child handle.\r
+    //\r
+    Status = UpdateName (IScsiExtScsiPassThru, Ipv6Flag);\r
+    if (EFI_ERROR (Status)) {\r
+      return Status;\r
+    }\r
+  }\r
+\r
+  return LookupUnicodeString2 (\r
+           Language,\r
+           This->SupportedLanguages,\r
+           gIScsiControllerNameTable,\r
+           ControllerName,\r
+           (BOOLEAN)(This == &gIScsiComponentName)\r
+           );\r
 }\r