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/** @file
PEI memory status code worker.
Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include "StatusCodePei.h"
/**
Worker function to create one memory status code GUID'ed HOB,
using PacketIndex to identify the packet.
@param PacketIndex Index of records packet.
@return Pointer to the memory status code packet.
**/
MEMORY_STATUSCODE_PACKET_HEADER *
CreateMemoryStatusCodePacket (
UINT16 PacketIndex
)
{
MEMORY_STATUSCODE_PACKET_HEADER *PacketHeader;
//
// Build GUID'ed HOB with PCD defined size.
//
PacketHeader = BuildGuidHob (
&gMemoryStatusCodeRecordGuid,
PcdGet16 (PcdStatusCodeMemorySize) * 1024 + sizeof (MEMORY_STATUSCODE_PACKET_HEADER)
);
ASSERT (PacketHeader != NULL);
PacketHeader->MaxRecordsNumber = (PcdGet16 (PcdStatusCodeMemorySize) * 1024) / sizeof (MEMORY_STATUSCODE_RECORD);
PacketHeader->PacketIndex = PacketIndex;
PacketHeader->RecordIndex = 0;
return PacketHeader;
}
/**
Create the first memory status code GUID'ed HOB as initialization for memory status code worker.
@retval EFI_SUCCESS The GUID'ed HOB is created successfully.
**/
EFI_STATUS
MemoryStatusCodeInitializeWorker (
VOID
)
{
//
// Create first memory status code GUID'ed HOB.
//
CreateMemoryStatusCodePacket (0);
return EFI_SUCCESS;
}
/**
Report status code into GUID'ed HOB.
This function reports status code into GUID'ed HOB. If not all packets are full, then
write status code into available entry. Otherwise, create a new packet for it.
@param CodeType Indicates the type of status code being reported.
@param Value Describes the current status of a hardware or
software entity. This includes information about the class and
subclass that is used to classify the entity as well as an operation.
For progress codes, the operation is the current activity.
For error codes, it is the exception.For debug codes,it is not defined at this time.
@param Instance The enumeration of a hardware or software entity within
the system. A system may contain multiple entities that match a class/subclass
pairing. The instance differentiates between them. An instance of 0 indicates
that instance information is unavailable, not meaningful, or not relevant.
Valid instance numbers start with 1.
@retval EFI_SUCCESS The function always return EFI_SUCCESS.
**/
EFI_STATUS
MemoryStatusCodeReportWorker (
IN EFI_STATUS_CODE_TYPE CodeType,
IN EFI_STATUS_CODE_VALUE Value,
IN UINT32 Instance
)
{
EFI_PEI_HOB_POINTERS Hob;
MEMORY_STATUSCODE_PACKET_HEADER *PacketHeader;
MEMORY_STATUSCODE_RECORD *Record;
UINT16 PacketIndex;
Record = NULL;
PacketIndex = 0;
//
// Journal GUID'ed HOBs to find empty record entry.
//
Hob.Raw = GetFirstGuidHob (&gMemoryStatusCodeRecordGuid);
while ((Hob.Raw = GetNextGuidHob (&gMemoryStatusCodeRecordGuid, Hob.Raw)) != NULL) {
PacketHeader = (MEMORY_STATUSCODE_PACKET_HEADER *) GET_GUID_HOB_DATA (Hob.Guid);
//
// Check whether pccket is full or not.
//
if (PacketHeader->RecordIndex < PacketHeader->MaxRecordsNumber) {
Record = (MEMORY_STATUSCODE_RECORD *) (PacketHeader + 1);
Record = &Record[PacketHeader->RecordIndex++];
break;
}
//
// Cache number of found packet in PacketIndex.
//
PacketIndex++;
Hob.Raw = GET_NEXT_HOB (Hob);
}
if (Record == NULL) {
//
// No available entry found
//
return EFI_OUT_OF_RESOURCES;
}
Record->CodeType = CodeType;
Record->Instance = Instance;
Record->Value = Value;
return EFI_SUCCESS;
}
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