Add new op-code samples, includes efi varstore, refresh guid group and ref op-code.

[mirror_edk2.git] / MdeModulePkg / Universal / DriverSampleDxe / DriverSample.c

diff --git a/MdeModulePkg/Universal/DriverSampleDxe/DriverSample.c b/MdeModulePkg/Universal/DriverSampleDxe/DriverSample.c
index e20e030be8fbf0fba1c20855a9bf2ab3eecc70b8..1484404687e5cc789a29f972d87a6e060a5de817 100644 (file)
--- a/MdeModulePkg/Universal/DriverSampleDxe/DriverSample.c
+++ b/MdeModulePkg/Universal/DriverSampleDxe/DriverSample.c
@@ -23,6 +23,7 @@ EFI_GUID   mInventoryGuid = INVENTORY_GUID;
 EFI_GUID   MyEventGroupGuid = EFI_IFR_REFRESH_ID_OP_GUID;\r
 \r
 CHAR16     VariableName[] = L"MyIfrNVData";\r
+CHAR16     MyEfiVar[] = L"MyEfiVar";\r
 EFI_HANDLE                      DriverHandle[2] = {NULL, NULL};\r
 DRIVER_SAMPLE_PRIVATE_DATA      *PrivateData = NULL;\r
 EFI_EVENT                       mEvent;\r
@@ -868,6 +869,13 @@ ExtractConfig (
       return EFI_NOT_FOUND;\r
     }\r
     //\r
+    // Check whether request for EFI Varstore. EFI varstore get data\r
+    // through hii database, not support in this path.\r
+    //\r
+    if (HiiIsConfigHdrMatch(Request, &mFormSetGuid, MyEfiVar)) {\r
+      return EFI_UNSUPPORTED;\r
+    }\r
+    //\r
     // Set Request to the unified request string.\r
     //\r
     ConfigRequest = Request;\r
@@ -1070,6 +1078,14 @@ RouteConfig (
     return EFI_NOT_FOUND;\r
   }\r
 \r
+  //\r
+  // Check whether request for EFI Varstore. EFI varstore get data\r
+  // through hii database, not support in this path.\r
+  //\r
+  if (HiiIsConfigHdrMatch(Configuration, &mFormSetGuid, MyEfiVar)) {\r
+    return EFI_UNSUPPORTED;\r
+  }\r
+\r
   //\r
   // Get Buffer Storage data from EFI variable\r
   //\r
@@ -1269,7 +1285,6 @@ DriverCallback (
 {\r
   DRIVER_SAMPLE_PRIVATE_DATA      *PrivateData;\r
   EFI_STATUS                      Status;\r
-  UINT8                           MyVar;\r
   VOID                            *StartOpCodeHandle;\r
   VOID                            *OptionsOpCodeHandle;\r
   EFI_IFR_GUID_LABEL              *StartLabel;\r
@@ -1277,7 +1292,7 @@ DriverCallback (
   EFI_IFR_GUID_LABEL              *EndLabel;\r
   EFI_INPUT_KEY                   Key;\r
   DRIVER_SAMPLE_CONFIGURATION     *Configuration;\r
-  UINTN                           MyVarSize;\r
+  MY_EFI_VARSTORE_DATA            *EfiData;\r
   EFI_FORM_ID                     FormId;\r
   \r
   if (((Value == NULL) && (Action != EFI_BROWSER_ACTION_FORM_OPEN) && (Action != EFI_BROWSER_ACTION_FORM_CLOSE))||\r
@@ -1370,21 +1385,14 @@ DriverCallback (
     \r
   case EFI_BROWSER_ACTION_RETRIEVE:\r
     {\r
-      if (QuestionId == 0x1111) {\r
-        //\r
-        // EfiVarstore question takes sample action (print value as debug information) \r
-        // after read/write question.\r
-        //\r
-        MyVarSize = 1;\r
-        Status = gRT->GetVariable(\r
-                        L"MyVar",\r
-                        &mFormSetGuid,\r
-                        NULL,\r
-                        &MyVarSize,\r
-                        &MyVar\r
-                        );\r
-        ASSERT_EFI_ERROR (Status);\r
-        DEBUG ((DEBUG_INFO, "EfiVarstore question: Tall value is %d with value width %d\n", MyVar, MyVarSize));\r
+      if (QuestionId == 0x1248) {\r
+        {\r
+          if (Type != EFI_IFR_TYPE_REF) {\r
+            return EFI_INVALID_PARAMETER;\r
+          }\r
+        \r
+          Value->ref.FormId = 0x3;\r
+        }\r
       }\r
     }\r
     break;\r
@@ -1420,6 +1428,15 @@ DriverCallback (
   case EFI_BROWSER_ACTION_CHANGING:\r
   {\r
     switch (QuestionId) {\r
+    case 0x1249:\r
+      {\r
+        if (Type != EFI_IFR_TYPE_REF) {\r
+          return EFI_INVALID_PARAMETER;\r
+        }\r
+\r
+        Value->ref.FormId = 0x1234;\r
+      }\r
+    break;\r
     case 0x1234:\r
       //\r
       // Initialize the container for dynamic opcodes\r
@@ -1612,7 +1629,7 @@ DriverCallback (
         PrivateData->Configuration.DynamicRefresh++;\r
       } else if (QuestionId == 0x1247 ) {\r
         StartLabel->Number       = LABEL_UPDATE3;\r
-        FormId                   = 0x05;\r
+        FormId                   = 0x06;\r
         PrivateData->Configuration.RefreshGuidCount++;\r
       }\r
 \r
@@ -1648,18 +1665,21 @@ DriverCallback (
 \r
       if (QuestionId == 0x5678) {\r
         //\r
-        // Change an EFI Variable storage (MyEfiVar) asynchronous, this will cause\r
-        // the first statement in Form 3 be suppressed\r
+        // Update uncommitted data of Browser\r
         //\r
-        MyVarSize = 1;\r
-        MyVar = 111;\r
-        Status = gRT->SetVariable(\r
-                        L"MyVar",\r
-                        &mFormSetGuid,\r
-                        EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r
-                        MyVarSize,\r
-                        &MyVar\r
-                        );\r
+        EfiData = AllocateZeroPool (sizeof (MY_EFI_VARSTORE_DATA));\r
+        ASSERT (EfiData != NULL);\r
+        if (HiiGetBrowserData (&mFormSetGuid, MyEfiVar, sizeof (MY_EFI_VARSTORE_DATA), (UINT8 *) EfiData)) {\r
+          EfiData->Field8 = 111;\r
+          HiiSetBrowserData (\r
+            &mFormSetGuid,\r
+            MyEfiVar,\r
+            sizeof (MY_EFI_VARSTORE_DATA),\r
+            (UINT8 *) EfiData,\r
+            NULL\r
+            );\r
+        }\r
+        FreePool (EfiData);\r
       }\r
       break;\r
 \r
@@ -1741,21 +1761,6 @@ DriverCallback (
 \r
       break;\r
 \r
-    case 0x1111:\r
-      //\r
-      // EfiVarstore question takes sample action (print value as debug information) \r
-      // after read/write question.\r
-      //\r
-      MyVarSize = 1;\r
-      Status = gRT->GetVariable(\r
-                      L"MyVar",\r
-                      &mFormSetGuid,\r
-                      NULL,\r
-                      &MyVarSize,\r
-                      &MyVar\r
-                      );\r
-      ASSERT_EFI_ERROR (Status);\r
-      DEBUG ((DEBUG_INFO, "EfiVarstore question: Tall value is %d with value width %d\n", MyVar, MyVarSize));\r
     default:\r
       break;\r
     }\r
@@ -1798,6 +1803,7 @@ DriverSampleInit (
   DRIVER_SAMPLE_CONFIGURATION     *Configuration;\r
   BOOLEAN                         ActionFlag;\r
   EFI_STRING                      ConfigRequestHdr;\r
+  MY_EFI_VARSTORE_DATA            *VarStoreConfig;\r
 \r
   //\r
   // Initialize the local variables.\r
@@ -1978,7 +1984,44 @@ DriverSampleInit (
     ActionFlag = HiiValidateSettings (ConfigRequestHdr);\r
     ASSERT (ActionFlag);\r
   }\r
+  FreePool (ConfigRequestHdr);\r
 \r
+  //\r
+  // Initialize efi varstore configuration data\r
+  //\r
+  VarStoreConfig = &PrivateData->VarStoreConfig;\r
+  ZeroMem (VarStoreConfig, sizeof (MY_EFI_VARSTORE_DATA));\r
+\r
+  ConfigRequestHdr = HiiConstructConfigHdr (&mFormSetGuid, MyEfiVar, DriverHandle[0]);\r
+  ASSERT (ConfigRequestHdr != NULL);\r
+\r
+  BufferSize = sizeof (MY_EFI_VARSTORE_DATA);\r
+  Status = gRT->GetVariable (MyEfiVar, &mFormSetGuid, NULL, &BufferSize, VarStoreConfig);\r
+  if (EFI_ERROR (Status)) {\r
+    //\r
+    // Store zero data to EFI variable Storage.\r
+    //\r
+    Status = gRT->SetVariable(\r
+                    MyEfiVar,\r
+                    &mFormSetGuid,\r
+                    EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r
+                    sizeof (MY_EFI_VARSTORE_DATA),\r
+                    VarStoreConfig\r
+                    );\r
+    ASSERT (Status == EFI_SUCCESS);\r
+    //\r
+    // EFI variable for NV config doesn't exit, we should build this variable\r
+    // based on default values stored in IFR\r
+    //\r
+    ActionFlag = HiiSetToDefaults (ConfigRequestHdr, EFI_HII_DEFAULT_CLASS_STANDARD);\r
+    ASSERT (ActionFlag);\r
+  } else {\r
+    //\r
+    // EFI variable does exist and Validate Current Setting\r
+    //\r
+    ActionFlag = HiiValidateSettings (ConfigRequestHdr);\r
+    ASSERT (ActionFlag);\r
+  }\r
   FreePool (ConfigRequestHdr);\r
 \r
   Status = gBS->CreateEventEx (\r