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Diffstat (limited to 'src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Protocol/ReportStatusCodeHandler.h')
-rw-r--r-- | src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Protocol/ReportStatusCodeHandler.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Protocol/ReportStatusCodeHandler.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Protocol/ReportStatusCodeHandler.h new file mode 100644 index 0000000000..7d2fceed55 --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Protocol/ReportStatusCodeHandler.h @@ -0,0 +1,91 @@ +/** @file + This protocol provide registering and unregistering services to status code + consumers while in DXE. + + Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR> + SPDX-License-Identifier: BSD-2-Clause-Patent + + @par Revision Reference: + This Protocol was introduced in PI Specification 1.2. + +**/ + +#ifndef __REPORT_STATUS_CODE_HANDLER_PROTOCOL_H__ +#define __REPORT_STATUS_CODE_HANDLER_PROTOCOL_H__ + +#define EFI_RSC_HANDLER_PROTOCOL_GUID \ + { \ + 0x86212936, 0xe76, 0x41c8, {0xa0, 0x3a, 0x2a, 0xf2, 0xfc, 0x1c, 0x39, 0xe2} \ + } + +typedef +EFI_STATUS +(EFIAPI *EFI_RSC_HANDLER_CALLBACK)( + IN EFI_STATUS_CODE_TYPE CodeType, + IN EFI_STATUS_CODE_VALUE Value, + IN UINT32 Instance, + IN EFI_GUID *CallerId, + IN EFI_STATUS_CODE_DATA *Data +); + +/** + Register the callback function for ReportStatusCode() notification. + + When this function is called the function pointer is added to an internal list and any future calls to + ReportStatusCode() will be forwarded to the Callback function. During the bootservices, + this is the callback for which this service can be invoked. The report status code router + will create an event such that the callback function is only invoked at the TPL for which it was + registered. The entity that registers for the callback should also register for an event upon + generation of exit boot services and invoke the unregister service. + If the handler does not have a TPL dependency, it should register for a callback at TPL high. The + router infrastructure will support making callbacks at runtime, but the caller for runtime invocation + must meet the following criteria: + 1. must be a runtime driver type so that its memory is not reclaimed + 2. not unregister at exit boot services so that the router will still have its callback address + 3. the caller must be self-contained (eg. Not call out into any boot-service interfaces) and be + runtime safe, in general. + + @param[in] Callback A pointer to a function of type EFI_RSC_HANDLER_CALLBACK that is called when + a call to ReportStatusCode() occurs. + @param[in] Tpl TPL at which callback can be safely invoked. + + @retval EFI_SUCCESS Function was successfully registered. + @retval EFI_INVALID_PARAMETER The callback function was NULL. + @retval EFI_OUT_OF_RESOURCES The internal buffer ran out of space. No more functions can be + registered. + @retval EFI_ALREADY_STARTED The function was already registered. It can't be registered again. +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_RSC_HANDLER_REGISTER)( + IN EFI_RSC_HANDLER_CALLBACK Callback, + IN EFI_TPL Tpl +); + +/** + Remove a previously registered callback function from the notification list. + + A callback function must be unregistered before it is deallocated. It is important that any registered + callbacks that are not runtime complaint be unregistered when ExitBootServices() is called. + + @param[in] Callback A pointer to a function of type EFI_RSC_HANDLER_CALLBACK that is to be + unregistered. + + @retval EFI_SUCCESS The function was successfully unregistered. + @retval EFI_INVALID_PARAMETER The callback function was NULL. + @retval EFI_NOT_FOUND The callback function was not found to be unregistered. +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_RSC_HANDLER_UNREGISTER)( + IN EFI_RSC_HANDLER_CALLBACK Callback +); + +typedef struct { + EFI_RSC_HANDLER_REGISTER Register; + EFI_RSC_HANDLER_UNREGISTER Unregister; +} EFI_RSC_HANDLER_PROTOCOL; + +extern EFI_GUID gEfiRscHandlerProtocolGuid; + +#endif // __REPORT_STATUS_CODE_HANDLER_H__ |