+++ /dev/null
-/** @file\r
- Data Hub status code worker.\r
-\r
- Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>\r
- SPDX-License-Identifier: BSD-2-Clause-Patent\r
-\r
-**/\r
-\r
-#include "DatahubStatusCodeHandlerDxe.h"\r
-\r
-//\r
-// Initialize FIFO to cache records.\r
-//\r
-LIST_ENTRY mRecordsFifo = INITIALIZE_LIST_HEAD_VARIABLE (mRecordsFifo);\r
-LIST_ENTRY mRecordsBuffer = INITIALIZE_LIST_HEAD_VARIABLE (mRecordsBuffer);\r
-UINT32 mLogDataHubStatus = 0;\r
-EFI_EVENT mLogDataHubEvent;\r
-//\r
-// Cache data hub protocol.\r
-//\r
-EFI_DATA_HUB_PROTOCOL *mDataHubProtocol = NULL;\r
-\r
-\r
-/**\r
- Retrieve one record of from free record buffer. This record is removed from\r
- free record buffer.\r
-\r
- This function retrieves one record from free record buffer.\r
- If the pool has been exhausted, then new memory would be allocated for it.\r
-\r
- @return Pointer to the free record.\r
- NULL means failure to allocate new memeory for free record buffer.\r
-\r
-**/\r
-DATA_HUB_STATUS_CODE_DATA_RECORD *\r
-AcquireRecordBuffer (\r
- VOID\r
- )\r
-{\r
- DATAHUB_STATUSCODE_RECORD *Record;\r
- EFI_TPL CurrentTpl;\r
- LIST_ENTRY *Node;\r
- UINT32 Index;\r
-\r
- CurrentTpl = gBS->RaiseTPL (TPL_HIGH_LEVEL);\r
-\r
- if (!IsListEmpty (&mRecordsBuffer)) {\r
- //\r
- // Strip one entry from free record buffer.\r
- //\r
- Node = GetFirstNode (&mRecordsBuffer);\r
- RemoveEntryList (Node);\r
-\r
- Record = BASE_CR (Node, DATAHUB_STATUSCODE_RECORD, Node);\r
- } else {\r
- if (CurrentTpl > TPL_NOTIFY) {\r
- //\r
- // Memory management should work at <=TPL_NOTIFY\r
- //\r
- gBS->RestoreTPL (CurrentTpl);\r
- return NULL;\r
- }\r
-\r
- //\r
- // If free record buffer is exhausted, then allocate 16 new records for it.\r
- //\r
- gBS->RestoreTPL (CurrentTpl);\r
- Record = (DATAHUB_STATUSCODE_RECORD *) AllocateZeroPool (sizeof (DATAHUB_STATUSCODE_RECORD) * 16);\r
- if (Record == NULL) {\r
- return NULL;\r
- }\r
-\r
- CurrentTpl = gBS->RaiseTPL (TPL_HIGH_LEVEL);\r
- //\r
- // Here we only insert 15 new records to the free record buffer, for the first record\r
- // will be returned immediately.\r
- //\r
- for (Index = 1; Index < 16; Index++) {\r
- InsertTailList (&mRecordsBuffer, &Record[Index].Node);\r
- }\r
- }\r
-\r
- Record->Signature = DATAHUB_STATUS_CODE_SIGNATURE;\r
- InsertTailList (&mRecordsFifo, &Record->Node);\r
-\r
- gBS->RestoreTPL (CurrentTpl);\r
-\r
- return (DATA_HUB_STATUS_CODE_DATA_RECORD *) (Record->Data);\r
-}\r
-\r
-\r
-/**\r
- Retrieve one record from Records FIFO. The record would be removed from FIFO.\r
-\r
- @return Point to record, which is ready to be logged.\r
- NULL means the FIFO of record is empty.\r
-\r
-**/\r
-DATA_HUB_STATUS_CODE_DATA_RECORD *\r
-RetrieveRecord (\r
- VOID\r
- )\r
-{\r
- DATA_HUB_STATUS_CODE_DATA_RECORD *RecordData;\r
- DATAHUB_STATUSCODE_RECORD *Record;\r
- LIST_ENTRY *Node;\r
- EFI_TPL CurrentTpl;\r
-\r
- RecordData = NULL;\r
-\r
- CurrentTpl = gBS->RaiseTPL (TPL_HIGH_LEVEL);\r
-\r
- if (!IsListEmpty (&mRecordsFifo)) {\r
- Node = GetFirstNode (&mRecordsFifo);\r
- Record = CR (Node, DATAHUB_STATUSCODE_RECORD, Node, DATAHUB_STATUS_CODE_SIGNATURE);\r
- ASSERT (Record != NULL);\r
-\r
- RemoveEntryList (&Record->Node);\r
- RecordData = (DATA_HUB_STATUS_CODE_DATA_RECORD *) Record->Data;\r
- }\r
-\r
- gBS->RestoreTPL (CurrentTpl);\r
-\r
- return RecordData;\r
-}\r
-\r
-/**\r
- Release given record and return it to free record buffer.\r
-\r
- @param RecordData Pointer to the record to release.\r
-\r
-**/\r
-VOID\r
-ReleaseRecord (\r
- DATA_HUB_STATUS_CODE_DATA_RECORD *RecordData\r
- )\r
-{\r
- DATAHUB_STATUSCODE_RECORD *Record;\r
- EFI_TPL CurrentTpl;\r
-\r
- Record = CR (RecordData, DATAHUB_STATUSCODE_RECORD, Data[0], DATAHUB_STATUS_CODE_SIGNATURE);\r
- ASSERT (Record != NULL);\r
-\r
- CurrentTpl = gBS->RaiseTPL (TPL_HIGH_LEVEL);\r
-\r
- InsertTailList (&mRecordsBuffer, &Record->Node);\r
- Record->Signature = 0;\r
-\r
- gBS->RestoreTPL (CurrentTpl);\r
-}\r
-\r
-/**\r
- Report status code into DataHub.\r
-\r
- @param CodeType Indicates the type of status code being reported.\r
- @param Value Describes the current status of a hardware or software entity.\r
- This included information about the class and subclass that is used to\r
- classify the entity as well as an operation.\r
- @param Instance The enumeration of a hardware or software entity within\r
- the system. Valid instance numbers start with 1.\r
- @param CallerId This optional parameter may be used to identify the caller.\r
- This parameter allows the status code driver to apply different rules to\r
- different callers.\r
- @param Data This optional parameter may be used to pass additional data.\r
-\r
- @retval EFI_SUCCESS The function completed successfully.\r
- @retval EFI_DEVICE_ERROR Function is reentered.\r
- @retval EFI_DEVICE_ERROR Function is called at runtime.\r
- @retval EFI_OUT_OF_RESOURCES Fail to allocate memory for free record buffer.\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-DataHubStatusCodeReportWorker (\r
- IN EFI_STATUS_CODE_TYPE CodeType,\r
- IN EFI_STATUS_CODE_VALUE Value,\r
- IN UINT32 Instance,\r
- IN EFI_GUID *CallerId,\r
- IN EFI_STATUS_CODE_DATA *Data OPTIONAL\r
- )\r
-{\r
- DATA_HUB_STATUS_CODE_DATA_RECORD *Record;\r
- UINT32 ErrorLevel;\r
- BASE_LIST Marker;\r
- CHAR8 *Format;\r
- UINTN CharCount;\r
-\r
- //\r
- // Use atom operation to avoid the reentant of report.\r
- // If current status is not zero, then the function is reentrancy.\r
- //\r
- if (InterlockedCompareExchange32 (&mLogDataHubStatus, 0, 0) == 1) {\r
- return EFI_DEVICE_ERROR;\r
- }\r
-\r
- Record = AcquireRecordBuffer ();\r
- if (Record == NULL) {\r
- //\r
- // There are no empty record buffer in private buffers\r
- //\r
- return EFI_OUT_OF_RESOURCES;\r
- }\r
-\r
- //\r
- // Construct Data Hub Extended Data\r
- //\r
- Record->CodeType = CodeType;\r
- Record->Value = Value;\r
- Record->Instance = Instance;\r
-\r
- if (CallerId != NULL) {\r
- CopyMem (&Record->CallerId, CallerId, sizeof (EFI_GUID));\r
- }\r
-\r
- if (Data != NULL) {\r
- if (ReportStatusCodeExtractDebugInfo (Data, &ErrorLevel, &Marker, &Format)) {\r
- CharCount = UnicodeBSPrintAsciiFormat (\r
- (CHAR16 *) (Record + 1),\r
- EFI_STATUS_CODE_DATA_MAX_SIZE,\r
- Format,\r
- Marker\r
- );\r
- //\r
- // Change record data type to DebugType.\r
- //\r
- CopyGuid (&Record->Data.Type, &gEfiStatusCodeDataTypeDebugGuid);\r
- Record->Data.HeaderSize = Data->HeaderSize;\r
- Record->Data.Size = (UINT16) ((CharCount + 1) * sizeof (CHAR16));\r
- } else {\r
- //\r
- // Copy status code data header\r
- //\r
- CopyMem (&Record->Data, Data, sizeof (EFI_STATUS_CODE_DATA));\r
-\r
- if (Data->Size > EFI_STATUS_CODE_DATA_MAX_SIZE) {\r
- Record->Data.Size = EFI_STATUS_CODE_DATA_MAX_SIZE;\r
- }\r
- CopyMem ((VOID *) (Record + 1), Data + 1, Record->Data.Size);\r
- }\r
- }\r
-\r
- gBS->SignalEvent (mLogDataHubEvent);\r
-\r
- return EFI_SUCCESS;\r
-}\r
-\r
-\r
-/**\r
- The Event handler which will be notified to log data in Data Hub.\r
-\r
- @param Event Instance of the EFI_EVENT to signal whenever data is\r
- available to be logged in the system.\r
- @param Context Context of the event.\r
-\r
-**/\r
-VOID\r
-EFIAPI\r
-LogDataHubEventCallBack (\r
- IN EFI_EVENT Event,\r
- IN VOID *Context\r
- )\r
-{\r
- DATA_HUB_STATUS_CODE_DATA_RECORD *Record;\r
- UINT32 Size;\r
- UINT64 DataRecordClass;\r
-\r
- //\r
- // Use atom operation to avoid the reentant of report.\r
- // If current status is not zero, then the function is reentrancy.\r
- //\r
- if (InterlockedCompareExchange32 (&mLogDataHubStatus, 0, 1) == 1) {\r
- return;\r
- }\r
-\r
- //\r
- // Log DataRecord in Data Hub.\r
- // Journal records fifo to find all record entry.\r
- //\r
- while (TRUE) {\r
- //\r
- // Retrieve record from record FIFO until no more record can be retrieved.\r
- //\r
- Record = RetrieveRecord ();\r
- if (Record == NULL) {\r
- break;\r
- }\r
- //\r
- // Add in the size of the header we added.\r
- //\r
- Size = sizeof (DATA_HUB_STATUS_CODE_DATA_RECORD) + (UINT32) Record->Data.Size;\r
-\r
- if ((Record->CodeType & EFI_STATUS_CODE_TYPE_MASK) == EFI_PROGRESS_CODE) {\r
- DataRecordClass = EFI_DATA_RECORD_CLASS_PROGRESS_CODE;\r
- } else if ((Record->CodeType & EFI_STATUS_CODE_TYPE_MASK) == EFI_ERROR_CODE) {\r
- DataRecordClass = EFI_DATA_RECORD_CLASS_ERROR;\r
- } else if ((Record->CodeType & EFI_STATUS_CODE_TYPE_MASK) == EFI_DEBUG_CODE) {\r
- DataRecordClass = EFI_DATA_RECORD_CLASS_DEBUG;\r
- } else {\r
- //\r
- // Should never get here.\r
- //\r
- DataRecordClass = EFI_DATA_RECORD_CLASS_DEBUG |\r
- EFI_DATA_RECORD_CLASS_ERROR |\r
- EFI_DATA_RECORD_CLASS_DATA |\r
- EFI_DATA_RECORD_CLASS_PROGRESS_CODE;\r
- }\r
-\r
- //\r
- // Log DataRecord in Data Hub\r
- //\r
- mDataHubProtocol->LogData (\r
- mDataHubProtocol,\r
- &gEfiDataHubStatusCodeRecordGuid,\r
- &gEfiStatusCodeRuntimeProtocolGuid,\r
- DataRecordClass,\r
- Record,\r
- Size\r
- );\r
-\r
- ReleaseRecord (Record);\r
- }\r
-\r
- //\r
- // Restore the nest status of report\r
- //\r
- InterlockedCompareExchange32 (&mLogDataHubStatus, 1, 0);\r
-}\r
-\r
-\r
-/**\r
- Locate Data Hub Protocol and create event for logging data\r
- as initialization for data hub status code worker.\r
-\r
- @retval EFI_SUCCESS Initialization is successful.\r
-\r
-**/\r
-EFI_STATUS\r
-DataHubStatusCodeInitializeWorker (\r
- VOID\r
- )\r
-{\r
- EFI_STATUS Status;\r
-\r
- Status = gBS->LocateProtocol (\r
- &gEfiDataHubProtocolGuid,\r
- NULL,\r
- (VOID **) &mDataHubProtocol\r
- );\r
- if (EFI_ERROR (Status)) {\r
- mDataHubProtocol = NULL;\r
- return Status;\r
- }\r
-\r
- //\r
- // Create a Notify Event to log data in Data Hub\r
- //\r
- Status = gBS->CreateEvent (\r
- EVT_NOTIFY_SIGNAL,\r
- TPL_CALLBACK,\r
- LogDataHubEventCallBack,\r
- NULL,\r
- &mLogDataHubEvent\r
- );\r
-\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- return EFI_SUCCESS;\r
-}\r
-\r
-\r
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