1) Check in Pei/Dxe status code;

[mirror_edk2.git] / EdkModulePkg / Universal / StatusCode / Dxe / DataHubStatusCodeWorker.c

/** @file\r
  Data Hub status code worker in DXE.\r
\r
Copyright (c) 2006, Intel Corporation. All rights reserved. \r
This software and associated documentation (if any) is furnished\r
under a license and may only be used or copied in accordance\r
with the terms of the license. Except as permitted by such\r
license, no part of this software or documentation may be\r
reproduced, stored in a retrieval system, or transmitted in any\r
form or by any means without the express written consent of\r
Intel Corporation.\r
\r
  Module Name:  DataHubStatusCodeWorker.c\r
\r
**/\r
#include "DxeStatusCode.h"\r
\r
//\r
// Initialize FIFO to cache records.\r
//\r
EFI_LOCK                  mFifoLock        = EFI_INITIALIZE_LOCK_VARIABLE  (EFI_TPL_HIGH_LEVEL);\r
LIST_ENTRY                mRecordsFifo     = INITIALIZE_LIST_HEAD_VARIABLE (mRecordsFifo);\r
UINTN                     mNumberOfRecords = 0;\r
\r
EFI_EVENT                 mLogDataHubEvent;\r
//\r
// Cache data hub protocol.\r
//\r
EFI_DATA_HUB_PROTOCOL     *mDataHubProtocol;\r
\r
\r
/**\r
  Return buffer of length DATAHUB_STATUSCODE_RECORD\r
 \r
  @retval  NULL   Can not allocate free memeory for record.\r
  @retval  !NULL  Point to buffer of record.\r
\r
**/\r
DATAHUB_STATUSCODE_RECORD *\r
AcquireRecordBuffer (\r
  VOID\r
  )\r
{\r
  DATAHUB_STATUSCODE_RECORD *Record;\r
\r
  Record   = (DATAHUB_STATUSCODE_RECORD *) AllocateZeroPool (sizeof (DATAHUB_STATUSCODE_RECORD));\r
  if (NULL == Record) {\r
    return NULL;\r
  }\r
  Record->Signature = DATAHUB_STATUS_CODE_SIGNATURE;\r
\r
  EfiAcquireLock (&mFifoLock);\r
  InsertTailList (&mRecordsFifo, &Record->Node);\r
  mNumberOfRecords++;\r
  EfiReleaseLock (&mFifoLock);\r
\r
  return Record;\r
}\r
\r
\r
/**\r
  Release a mRecordBuffer entry allocated by AcquirRecordBuffer ().\r
\r
  @param   Record        Point to record buffer which is acquired by AcquirRecordBuffer()\r
 \r
  @retval  EFI_SUCCESS   If DataRecord is valid.\r
  @retval  !EFI_SUCCESS  The record list has empty.\r
\r
**/\r
VOID\r
FreeRecordBuffer (\r
  IN  DATAHUB_STATUSCODE_RECORD  *Record\r
  )\r
/*++\r
\r
Routine Description:\r
\r
  Release a mRecordBuffer entry allocated by AquireEmptyRecordBuffer ().\r
\r
Arguments:\r
\r
  RecordBuffer          - Data to free\r
\r
Returns:\r
\r
  EFI_SUCCESS           - If DataRecord is valid\r
  EFI_UNSUPPORTED       - The record list has empty\r
\r
--*/\r
{\r
  ASSERT (Record != NULL);\r
  ASSERT (mNumberOfRecords != 0);\r
\r
  EfiAcquireLock (&mFifoLock);\r
  RemoveEntryList (&Record->Node);\r
  mNumberOfRecords--;\r
  EfiReleaseLock (&mFifoLock);\r
\r
  FreePool (Record);\r
}\r
\r
\r
/**\r
  Report status code into DataHub.\r
 \r