+/**\r
+ Find the global storage link base on the input storate type, name and guid.\r
+\r
+ For EFI_HII_VARSTORE_EFI_VARIABLE and EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER,\r
+ same guid + name = same storage\r
+\r
+ For EFI_HII_VARSTORE_NAME_VALUE:\r
+ same guid + HiiHandle = same storage\r
+\r
+ For EFI_HII_VARSTORE_BUFFER:\r
+ same guid + name + HiiHandle = same storage\r
+\r
+ @param StorageType Storage type.\r
+ @param StorageGuid Storage guid.\r
+ @param StorageName Storage Name.\r
+ @param HiiHandle HiiHandle for this varstore.\r
+\r
+ @return Pointer to a GLOBAL_STORAGE data structure.\r
+\r
+**/\r
+BROWSER_STORAGE *\r
+FindStorageInList (\r
+ IN UINT8 StorageType,\r
+ IN EFI_GUID *StorageGuid,\r
+ IN CHAR16 *StorageName,\r
+ IN EFI_HII_HANDLE HiiHandle\r
+ )\r
+{\r
+ LIST_ENTRY *Link;\r
+ BROWSER_STORAGE *BrowserStorage;\r
+\r
+ Link = GetFirstNode (&gBrowserStorageList);\r
+ while (!IsNull (&gBrowserStorageList, Link)) {\r
+ BrowserStorage = BROWSER_STORAGE_FROM_LINK (Link);\r
+ Link = GetNextNode (&gBrowserStorageList, Link);\r
+\r
+ if ((BrowserStorage->Type == StorageType) && CompareGuid (&BrowserStorage->Guid, StorageGuid)) {\r
+ if (StorageType == EFI_HII_VARSTORE_NAME_VALUE) {\r
+ if (BrowserStorage->HiiHandle == HiiHandle) {\r
+ return BrowserStorage;\r
+ }\r
+\r
+ continue;\r
+ }\r
+\r
+ ASSERT (StorageName != NULL);\r
+ if (StrCmp (BrowserStorage->Name, StorageName) == 0) {\r
+ if (StorageType == EFI_HII_VARSTORE_EFI_VARIABLE || StorageType == EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER) {\r
+ return BrowserStorage;\r
+ } else if (StorageType == EFI_HII_VARSTORE_BUFFER && BrowserStorage->HiiHandle == HiiHandle) {\r
+ return BrowserStorage;\r
+ }\r
+ }\r
+ }\r
+ }\r
+\r
+ return NULL;\r
+}\r
+\r
+/**\r
+ Intialize the Global Storage.\r
+\r
+ @param BrowserStorage Pointer to the global storage.\r
+ @param StorageType Storage type.\r
+ @param OpCodeData Binary data for this opcode.\r
+\r
+**/\r
+VOID\r
+IntializeBrowserStorage (\r
+ IN BROWSER_STORAGE *BrowserStorage,\r
+ IN UINT8 StorageType,\r
+ IN UINT8 *OpCodeData\r
+ )\r
+{\r
+ switch (StorageType) {\r
+ case EFI_HII_VARSTORE_BUFFER:\r
+ CopyMem (&BrowserStorage->Guid, &((EFI_IFR_VARSTORE *) OpCodeData)->Guid, sizeof (EFI_GUID));\r
+ CopyMem (&BrowserStorage->Size, &((EFI_IFR_VARSTORE *) OpCodeData)->Size, sizeof (UINT16));\r
+\r
+ BrowserStorage->Buffer = AllocateZeroPool (BrowserStorage->Size);\r
+ BrowserStorage->EditBuffer = AllocateZeroPool (BrowserStorage->Size);\r
+ break;\r
+\r
+ case EFI_HII_VARSTORE_EFI_VARIABLE:\r
+ case EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER:\r
+ CopyMem (&BrowserStorage->Guid, &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->Guid, sizeof (EFI_GUID));\r
+ CopyMem (&BrowserStorage->Attributes, &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->Attributes, sizeof (UINT32));\r
+ CopyMem (&BrowserStorage->Size, &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->Size, sizeof (UINT16));\r
+\r
+ if (StorageType == EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER) {\r
+ BrowserStorage->Buffer = AllocateZeroPool (BrowserStorage->Size);\r
+ BrowserStorage->EditBuffer = AllocateZeroPool (BrowserStorage->Size);\r
+ }\r
+ break;\r
+\r
+ case EFI_HII_VARSTORE_NAME_VALUE:\r
+ CopyMem (&BrowserStorage->Guid, &((EFI_IFR_VARSTORE_NAME_VALUE *) OpCodeData)->Guid, sizeof (EFI_GUID));\r
+\r
+ InitializeListHead (&BrowserStorage->NameValueListHead);\r
+ break;\r
+\r
+ default:\r
+ break;\r
+ }\r
+}\r
+\r
+/**\r
+ Allocate a FORMSET_STORAGE data structure and insert to FormSet Storage List.\r
+\r
+ @param FormSet Pointer of the current FormSet\r
+ @param StorageType Storage type.\r
+ @param OpCodeData Binary data for this opcode.\r
+\r
+ @return Pointer to a FORMSET_STORAGE data structure.\r
+\r
+**/\r
+FORMSET_STORAGE *\r
+CreateStorage (\r
+ IN FORM_BROWSER_FORMSET *FormSet,\r
+ IN UINT8 StorageType,\r
+ IN UINT8 *OpCodeData\r
+ )\r
+{\r
+ FORMSET_STORAGE *Storage;\r
+ CHAR16 *UnicodeString;\r
+ UINT16 Index;\r
+ BROWSER_STORAGE *BrowserStorage;\r
+ EFI_GUID *StorageGuid;\r
+ CHAR8 *StorageName;\r
+\r
+ UnicodeString = NULL;\r
+ StorageName = NULL;\r
+ switch (StorageType) {\r
+ case EFI_HII_VARSTORE_BUFFER:\r
+ StorageGuid = (EFI_GUID *) (CHAR8*) &((EFI_IFR_VARSTORE *) OpCodeData)->Guid;\r
+ StorageName = (CHAR8 *) ((EFI_IFR_VARSTORE *) OpCodeData)->Name;\r
+ break;\r
+\r
+ case EFI_HII_VARSTORE_EFI_VARIABLE:\r
+ case EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER:\r
+ StorageGuid = (EFI_GUID *) (CHAR8*) &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->Guid;\r
+ StorageName = (CHAR8 *) ((EFI_IFR_VARSTORE_EFI *) OpCodeData)->Name;\r
+ break;\r
+\r
+ default:\r
+ ASSERT (StorageType == EFI_HII_VARSTORE_NAME_VALUE);\r
+ StorageGuid = &((EFI_IFR_VARSTORE_NAME_VALUE *) OpCodeData)->Guid;\r
+ break;\r
+ }\r
+\r
+ if (StorageType != EFI_HII_VARSTORE_NAME_VALUE) {\r
+ ASSERT (StorageName != NULL);\r
+\r
+ UnicodeString = AllocateZeroPool (AsciiStrSize (StorageName) * 2);\r
+ ASSERT (UnicodeString != NULL);\r
+ for (Index = 0; StorageName[Index] != 0; Index++) {\r
+ UnicodeString[Index] = (CHAR16) StorageName[Index];\r
+ }\r
+ }\r
+\r
+ Storage = AllocateZeroPool (sizeof (FORMSET_STORAGE));\r
+ ASSERT (Storage != NULL);\r
+ Storage->Signature = FORMSET_STORAGE_SIGNATURE;\r
+ InsertTailList (&FormSet->StorageListHead, &Storage->Link);\r
+\r
+ BrowserStorage = FindStorageInList(StorageType, StorageGuid, UnicodeString, FormSet->HiiHandle);\r
+ if (BrowserStorage == NULL) {\r
+ BrowserStorage = AllocateZeroPool (sizeof (BROWSER_STORAGE));\r
+ ASSERT (BrowserStorage != NULL);\r
+\r
+ BrowserStorage->Signature = BROWSER_STORAGE_SIGNATURE;\r
+ InsertTailList (&gBrowserStorageList, &BrowserStorage->Link);\r
+\r
+ IntializeBrowserStorage (BrowserStorage, StorageType, OpCodeData);\r
+ BrowserStorage->Type = StorageType;\r
+ if (StorageType != EFI_HII_VARSTORE_NAME_VALUE) {\r
+ BrowserStorage->Name = UnicodeString;\r
+ }\r
+\r
+ BrowserStorage->HiiHandle = FormSet->HiiHandle;\r
+ InitializeConfigHdr (FormSet, BrowserStorage);\r
+\r
+ BrowserStorage->Initialized = FALSE;\r
+ }\r
+\r
+ Storage->BrowserStorage = BrowserStorage;\r
+ Storage->ConfigRequest = AllocateCopyPool (StrSize (BrowserStorage->ConfigHdr), BrowserStorage->ConfigHdr);\r
+ Storage->SpareStrLen = 0;\r
+\r
+ return Storage;\r
+}\r