--- /dev/null
+/** @file\r
+ SMM Standby Button Dispatch2 Protocol as defined in PI 1.1 Specification\r
+ Volume 4 System Management Mode Core Interface.\r
+\r
+ This protocol provides the parent dispatch service for the standby button SMI source generator.\r
+\r
+ Copyright (c) 2009, Intel Corporation\r
+ All rights reserved. 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
+\r
+ @par Revision Reference:\r
+ This protocol is from PI Version 1.1.\r
+\r
+**/\r
+\r
+#ifndef _SMM_STANDBY_BUTTON_DISPATCH2_H_\r
+#define _SMM_STANDBY_BUTTON_DISPATCH2_H_\r
+\r
+#include <Pi/PiSmmCis.h>\r
+\r
+#define EFI_SMM_STANDBY_BUTTON_DISPATCH2_PROTOCOL_GUID \\r
+ { \\r
+ 0x7300c4a1, 0x43f2, 0x4017, {0xa5, 0x1b, 0xc8, 0x1a, 0x7f, 0x40, 0x58, 0x5b } \\r
+ }\r
+\r
+///\r
+/// Standby Button phases\r
+///\r
+typedef enum {\r
+ EfiStandbyButtonEntry,\r
+ EfiStandbyButtonExit,\r
+ EfiStandbyButtonMax\r
+} EFI_STANDBY_BUTTON_PHASE;\r
+\r
+///\r
+/// The dispatch function's context.\r
+///\r
+typedef struct {\r
+ ///\r
+ /// Describes whether the child handler should be invoked upon the entry to the button \r
+ /// activation or upon exit.\r
+ ///\r
+ EFI_STANDBY_BUTTON_PHASE Phase;\r
+} EFI_SMM_STANDBY_BUTTON_REGISTER_CONTEXT;\r
+\r
+typedef struct _EFI_SMM_STANDBY_BUTTON_DISPATCH2_PROTOCOL EFI_SMM_STANDBY_BUTTON_DISPATCH2_PROTOCOL;\r
+\r
+/**\r
+ Provides the parent dispatch service for a standby button event.\r
+\r
+ This service registers a function (DispatchFunction) which will be called when an SMI is \r
+ generated because the standby button was pressed or released, as specified by \r
+ RegisterContext. On return, DispatchHandle contains a unique handle which may be used \r
+ later to unregister the function using UnRegister().\r
+ The DispatchFunction will be called with Context set to the same value as was passed into \r
+ this function in RegisterContext and with CommBuffer and CommBufferSize set to NULL. \r
+\r
+ @param[in] This Pointer to the EFI_SMM_STANDBY_BUTTON_DISPATCH2_PROTOCOL instance.\r
+ @param[in] DispatchFunction Function to register for handler when the standby button is pressed or released.\r
+ @param[in] RegisterContext Pointer to the dispatch function\92s context. The caller fills in this context\r
+ before calling the register function to indicate to the register function the \r
+ standby button SMI source for which the dispatch function should be invoked.\r
+ @param[out] DispatchHandle Handle generated by the dispatcher to track the function instance. \r
+\r
+ @retval EFI_SUCCESS The dispatch function has been successfully\r
+ registered and the SMI source has been enabled.\r
+ @retval EFI_DEVICE_ERROR The driver was unable to enable the SMI source.\r
+ @retval EFI_INVALID_PARAMETER RegisterContext is invalid. The standby button input value\r
+ is not within valid range.\r
+ @retval EFI_OUT_OF_RESOURCES There is not enough memory (system or SMM) to manage this child.\r
+**/\r
+typedef\r
+EFI_STATUS\r
+(EFIAPI *EFI_SMM_STANDBY_BUTTON_REGISTER)(\r
+ IN CONST EFI_SMM_STANDBY_BUTTON_DISPATCH2_PROTOCOL *This,\r
+ IN EFI_SMM_HANDLER_ENTRY_POINT2 DispatchFunction,\r
+ IN EFI_SMM_STANDBY_BUTTON_REGISTER_CONTEXT *RegisterContext,\r
+ OUT EFI_HANDLE *DispatchHandle\r
+ );\r
+\r
+/**\r
+ Unregisters a child SMI source dispatch function with a parent SMM driver.\r
+\r
+ This service removes the handler associated with DispatchHandle so that it will no longer be \r
+ called when the standby button is pressed or released.\r
+\r
+ @param[in] This Pointer to the EFI_SMM_STANDBY_BUTTON_DISPATCH2_PROTOCOL instance.\r
+ @param[in] DispatchHandle Handle of the service to remove.\r
+\r
+ @retval EFI_SUCCESS The service has been successfully removed.\r
+ @retval EFI_INVALID_PARAMETER The DispatchHandle was not valid.\r
+**/\r
+typedef\r
+EFI_STATUS\r
+(EFIAPI *EFI_SMM_STANDBY_BUTTON_UNREGISTER)(\r
+ IN CONST EFI_SMM_STANDBY_BUTTON_DISPATCH2_PROTOCOL *This,\r
+ IN EFI_HANDLE DispatchHandle\r
+ );\r
+\r
+///\r
+/// Interface structure for the SMM Standby Button Dispatch2 Protocol.\r
+///\r
+/// This protocol provides the parent dispatch service for the standby\r
+/// button SMI source generator.\r
+///\r
+struct _EFI_SMM_STANDBY_BUTTON_DISPATCH2_PROTOCOL {\r
+ EFI_SMM_STANDBY_BUTTON_REGISTER Register;\r
+ EFI_SMM_STANDBY_BUTTON_UNREGISTER UnRegister;\r
+};\r
+\r
+extern EFI_GUID gEfiSmmStandbyButtonDispatch2ProtocolGuid;\r
+\r
+#endif\r
+\r