+\r
+//\r
+// Simple Text Input Ex protocol functions\r
+//\r
+EFI_STATUS\r
+EFIAPI\r
+USBKeyboardResetEx (\r
+ IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r
+ IN BOOLEAN ExtendedVerification\r
+ )\r
+/*++\r
+\r
+ Routine Description:\r
+ Reset the input device and optionaly run diagnostics\r
+\r
+ Arguments:\r
+ This - Protocol instance pointer.\r
+ ExtendedVerification - Driver may perform diagnostics on reset.\r
+\r
+ Returns:\r
+ EFI_SUCCESS - The device was reset.\r
+ EFI_DEVICE_ERROR - The device is not functioning properly and could \r
+ not be reset.\r
+\r
+--*/\r
+;\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+USBKeyboardReadKeyStrokeEx (\r
+ IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r
+ OUT EFI_KEY_DATA *KeyData\r
+ )\r
+/*++\r
+\r
+ Routine Description:\r
+ Reads the next keystroke from the input device. The WaitForKey Event can \r
+ be used to test for existance of a keystroke via WaitForEvent () call.\r
+\r
+ Arguments:\r
+ This - Protocol instance pointer.\r
+ KeyData - A pointer to a buffer that is filled in with the keystroke \r
+ state data for the key that was pressed.\r
+\r
+ Returns:\r
+ EFI_SUCCESS - The keystroke information was returned.\r
+ EFI_NOT_READY - There was no keystroke data availiable.\r
+ EFI_DEVICE_ERROR - The keystroke information was not returned due to \r
+ hardware errors.\r
+ EFI_INVALID_PARAMETER - KeyData is NULL. \r
+\r
+--*/\r
+;\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+USBKeyboardSetState (\r
+ IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r
+ IN EFI_KEY_TOGGLE_STATE *KeyToggleState\r
+ )\r
+/*++\r
+\r
+ Routine Description:\r
+ Set certain state for the input device.\r
+\r
+ Arguments:\r
+ This - Protocol instance pointer.\r
+ KeyToggleState - A pointer to the EFI_KEY_TOGGLE_STATE to set the \r
+ state for the input device.\r
+ \r
+ Returns: \r
+ EFI_SUCCESS - The device state was set successfully.\r
+ EFI_DEVICE_ERROR - The device is not functioning correctly and could \r
+ not have the setting adjusted.\r
+ EFI_UNSUPPORTED - The device does not have the ability to set its state.\r
+ EFI_INVALID_PARAMETER - KeyToggleState is NULL. \r
+\r
+--*/ \r
+;\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+USBKeyboardRegisterKeyNotify (\r
+ IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r
+ IN EFI_KEY_DATA *KeyData,\r
+ IN EFI_KEY_NOTIFY_FUNCTION KeyNotificationFunction,\r
+ OUT EFI_HANDLE *NotifyHandle\r
+ )\r
+/*++\r
+\r
+ Routine Description:\r
+ Register a notification function for a particular keystroke for the input device.\r
+\r
+ Arguments:\r
+ This - Protocol instance pointer.\r
+ KeyData - A pointer to a buffer that is filled in with the keystroke \r
+ information data for the key that was pressed.\r
+ KeyNotificationFunction - Points to the function to be called when the key \r
+ sequence is typed specified by KeyData. \r
+ NotifyHandle - Points to the unique handle assigned to the registered notification. \r
+\r
+ Returns:\r
+ EFI_SUCCESS - The notification function was registered successfully.\r
+ EFI_OUT_OF_RESOURCES - Unable to allocate resources for necesssary data structures.\r
+ EFI_INVALID_PARAMETER - KeyData or NotifyHandle is NULL. \r
+ \r
+--*/ \r
+;\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+USBKeyboardUnregisterKeyNotify (\r
+ IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r
+ IN EFI_HANDLE NotificationHandle\r
+ )\r
+/*++\r
+\r
+ Routine Description:\r
+ Remove a registered notification function from a particular keystroke.\r
+\r
+ Arguments:\r
+ This - Protocol instance pointer. \r
+ NotificationHandle - The handle of the notification function being unregistered.\r
+\r
+ Returns:\r
+ EFI_SUCCESS - The notification function was unregistered successfully.\r
+ EFI_INVALID_PARAMETER - The NotificationHandle is invalid.\r
+ EFI_NOT_FOUND - Can not find the matching entry in database. \r
+ \r
+--*/ \r
+;\r
+\r