1 /** @file 2 This protocol provides registering and unregistering services to status code consumers while in DXE SMM. 3 4 Copyright (c) 2007 - 2009, Intel Corporation. All rights reserved.<BR> 5 This program and the accompanying materials 6 are licensed and made available under the terms and conditions of the BSD License 7 which accompanies this distribution. The full text of the license may be found at 8 http://opensource.org/licenses/bsd-license.php 9 10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 12 13 **/ 14 15 #ifndef __SMM_REPORT_STATUS_CODE_HANDLER_PROTOCOL_H__ 16 #define __SMM_REPORT_STATUS_CODE_HANDLER_PROTOCOL_H__ 17 18 #define EFI_SMM_RSC_HANDLER_PROTOCOL_GUID \ 19 { \ 20 0x2ff29fa7, 0x5e80, 0x4ed9, {0xb3, 0x80, 0x1, 0x7d, 0x3c, 0x55, 0x4f, 0xf4} \ 21 } 22 23 typedef 24 EFI_STATUS 25 (EFIAPI *EFI_SMM_RSC_HANDLER_CALLBACK)( 26 IN EFI_STATUS_CODE_TYPE CodeType, 27 IN EFI_STATUS_CODE_VALUE Value, 28 IN UINT32 Instance, 29 IN EFI_GUID *CallerId, 30 IN EFI_STATUS_CODE_DATA *Data 31 ); 32 33 /** 34 Register the callback function for ReportStatusCode() notification. 35 36 When this function is called the function pointer is added to an internal list and any future calls to 37 ReportStatusCode() will be forwarded to the Callback function. 38 39 @param[in] Callback A pointer to a function of type EFI_RSC_HANDLER_CALLBACK that is called when 40 a call to ReportStatusCode() occurs. 41 42 @retval EFI_SUCCESS Function was successfully registered. 43 @retval EFI_INVALID_PARAMETER The callback function was NULL. 44 @retval EFI_OUT_OF_RESOURCES The internal buffer ran out of space. No more functions can be 45 registered. 46 @retval EFI_ALREADY_STARTED The function was already registered. It can't be registered again. 47 **/ 48 typedef 49 EFI_STATUS 50 (EFIAPI *EFI_SMM_RSC_HANDLER_REGISTER)( 51 IN EFI_SMM_RSC_HANDLER_CALLBACK Callback 52 ); 53 54 /** 55 Remove a previously registered callback function from the notification list. 56 57 A callback function must be unregistered before it is deallocated. It is important that any registered 58 callbacks that are not runtime complaint be unregistered when ExitBootServices() is called. 59 60 @param[in] Callback A pointer to a function of type EFI_SMM_RSC_HANDLER_CALLBACK that is to be 61 unregistered. 62 63 @retval EFI_SUCCESS The function was successfully unregistered. 64 @retval EFI_INVALID_PARAMETER The callback function was NULL. 65 @retval EFI_NOT_FOUND The callback function was not found to be unregistered. 66 67 **/ 68 typedef 69 EFI_STATUS 70 (EFIAPI *EFI_SMM_RSC_HANDLER_UNREGISTER)( 71 IN EFI_SMM_RSC_HANDLER_CALLBACK Callback 72 ); 73 74 typedef struct _EFI_SMM_RSC_HANDLER_PROTOCOL { 75 EFI_SMM_RSC_HANDLER_REGISTER Register; 76 EFI_SMM_RSC_HANDLER_UNREGISTER Unregister; 77 } EFI_SMM_RSC_HANDLER_PROTOCOL; 78 79 extern EFI_GUID gEfiSmmRscHandlerProtocolGuid; 80 81 #endif // __SMM_REPORT_STATUS_CODE_HANDLER_PROTOCOL_H__ 82