-typedef struct {\r
- ///\r
- /// A bit mask of 64 possible GPIs that can generate an SMI. Bit 0 corresponds to logical \r
- /// GPI[0], 1 corresponds to logical GPI[1], and so on.\r
- ///\r
- UINT64 GpiNum;\r
-} EFI_SMM_GPI_REGISTER_CONTEXT;\r
-\r
-typedef struct _EFI_SMM_GPI_DISPATCH2_PROTOCOL EFI_SMM_GPI_DISPATCH2_PROTOCOL;\r
-\r
-/**\r
- Registers a child SMI source dispatch function with a parent SMM driver.\r
-\r
- This service registers a function (DispatchFunction) which will be called when an SMI is \r
- generated because of one or more of the GPIs specified by RegisterContext. On return, \r
- DispatchHandle contains a unique handle which may be used later to unregister the function \r
- 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 pointing to another instance of \r
- EFI_SMM_GPI_REGISTER_CONTEXT describing the GPIs which actually caused the SMI and \r
- CommBufferSize pointing to the size of the structure.\r
-\r
- @param[in] This Pointer to the EFI_SMM_GPI_DISPATCH2_PROTOCOL instance.\r
- @param[in] DispatchFunction Function to register for handler when the specified GPI causes an SMI.\r
- @param[in] RegisterContext Pointer to the dispatch function's context.\r
- The caller fills this context in before calling\r
- the register function to indicate to the register\r
- function the GPI(s) for which the dispatch function\r
- should be invoked.\r
- @param[out] DispatchHandle Handle generated by the dispatcher to track the\r
- 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 GPI 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_GPI_REGISTER2)(\r
- IN CONST EFI_SMM_GPI_DISPATCH2_PROTOCOL *This,\r
- IN EFI_SMM_HANDLER_ENTRY_POINT2 DispatchFunction,\r
- IN CONST EFI_SMM_GPI_REGISTER_CONTEXT *RegisterContext,\r
- OUT EFI_HANDLE *DispatchHandle\r
- );\r
-\r
-/**\r
- Unregisters a General Purpose Input (GPI) service.\r
-\r
- This service removes the handler associated with DispatchHandle so that it will no longer be \r
- called when the GPI triggers an SMI. \r
-\r
- @param[in] This Pointer to the EFI_SMM_GPI_DISPATCH2_PROTOCOL instance.\r
- @param[in] DispatchHandle Handle of the service to remove.\r
-\r
- @retval EFI_SUCCESS Handle of the service to remove.\r
- @retval EFI_INVALID_PARAMETER The DispatchHandle was not valid.\r
-**/\r
-typedef\r
-EFI_STATUS\r
-(EFIAPI *EFI_SMM_GPI_UNREGISTER2)(\r
- IN CONST EFI_SMM_GPI_DISPATCH2_PROTOCOL *This,\r
- IN EFI_HANDLE DispatchHandle\r
- );\r