diff options
Diffstat (limited to 'Vlv2TbltDevicePkg/SmBiosMiscDxe/MiscMemoryArrayMappedAddressFunction.c')
| -rw-r--r-- | Vlv2TbltDevicePkg/SmBiosMiscDxe/MiscMemoryArrayMappedAddressFunction.c | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/Vlv2TbltDevicePkg/SmBiosMiscDxe/MiscMemoryArrayMappedAddressFunction.c b/Vlv2TbltDevicePkg/SmBiosMiscDxe/MiscMemoryArrayMappedAddressFunction.c new file mode 100644 index 0000000000..27d0ab7f52 --- /dev/null +++ b/Vlv2TbltDevicePkg/SmBiosMiscDxe/MiscMemoryArrayMappedAddressFunction.c @@ -0,0 +1,146 @@ +/** @file
+ Dynamic data of Physical Memory Array Mapped Address. SMBIOS Type 19.
+
+ Copyright (c) 2012 - 2017, 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 "CommonHeader.h"
+#include "MiscSubclassDriver.h"
+#include <Protocol/DataHub.h>
+#include <Guid/DataHubRecords.h>
+#include <Protocol/MemInfo.h>
+
+#define MAX_SOCKETS 2
+#define SMBIOS_TYPE19_USE_EXTENDED_ADDRESSES 0xFFFFFFFF
+
+
+VOID
+GetType16Handle (
+ IN EFI_SMBIOS_PROTOCOL *Smbios,
+ OUT EFI_SMBIOS_HANDLE *Handle
+ )
+{
+ EFI_STATUS Status;
+ EFI_SMBIOS_TYPE RecordType;
+ EFI_SMBIOS_TABLE_HEADER *Buffer;
+
+ *Handle = 0;
+ RecordType = EFI_SMBIOS_TYPE_PHYSICAL_MEMORY_ARRAY;
+
+ Status = Smbios->GetNext (
+ Smbios,
+ Handle,
+ &RecordType,
+ &Buffer,
+ NULL
+ );
+ if (!EFI_ERROR (Status)) {
+ return;
+ }
+
+ *Handle = 0xFFFF;
+}
+
+
+/**
+ This function installs SMBIOS Type 19 Table(Physical Memory Array).
+
+ @param RecordData Pointer to copy of RecordData from the Data Table.
+
+ @retval EFI_SUCCESS All parameters were valid.
+ @retval EFI_UNSUPPORTED Unexpected RecordType value.
+ @retval EFI_INVALID_PARAMETER Invalid parameter was found.
+
+**/
+MISC_SMBIOS_TABLE_FUNCTION (MiscMemoryArrayMappedAddress)
+{
+ EFI_STATUS Status;
+ UINT64 TotalMemorySizeInKB;
+ UINT8 Dimm;
+ EFI_SMBIOS_HANDLE SmbiosHandle;
+ EFI_MEMORY_ARRAY_START_ADDRESS_DATA *ForType19InputData;
+ SMBIOS_TABLE_TYPE19 *SmbiosRecord;
+ MEM_INFO_PROTOCOL *MemInfoHob;
+ UINT16 Type16Handle = 0;
+
+ TotalMemorySizeInKB = 0;
+
+ //
+ // First check for invalid parameters.
+ //
+ if (RecordData == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+ ForType19InputData = (EFI_MEMORY_ARRAY_START_ADDRESS_DATA *)RecordData;
+
+ //
+ // Two zeros following the last string.
+ //
+ SmbiosRecord = AllocatePool (sizeof (SMBIOS_TABLE_TYPE19) + 1);
+ ZeroMem (SmbiosRecord, sizeof (SMBIOS_TABLE_TYPE19) + 1);
+
+ SmbiosRecord->Hdr.Type = EFI_SMBIOS_TYPE_MEMORY_ARRAY_MAPPED_ADDRESS;
+ SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE19);
+
+ //
+ // Make handle chosen by smbios protocol.add automatically.
+ //
+ SmbiosRecord->Hdr.Handle = 0;
+
+ //
+ // Get Memory size parameters for each rank from the chipset registers
+ //
+ Status = gBS->LocateProtocol (
+ &gMemInfoProtocolGuid,
+ NULL,
+ (void **) &MemInfoHob
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ //
+ // Calculate the TotalMemorySizeInKB by adding the size of all populated sockets
+ //
+ for (Dimm = 0; Dimm < MAX_SOCKETS; Dimm++) {
+ TotalMemorySizeInKB += LShiftU64 (MemInfoHob->MemInfoData.dimmSize[Dimm], 10);
+ }
+
+ if (TotalMemorySizeInKB > SMBIOS_TYPE19_USE_EXTENDED_ADDRESSES) {
+ SmbiosRecord->StartingAddress = SMBIOS_TYPE19_USE_EXTENDED_ADDRESSES;
+ SmbiosRecord->EndingAddress = SMBIOS_TYPE19_USE_EXTENDED_ADDRESSES;
+ SmbiosRecord->ExtendedEndingAddress = TotalMemorySizeInKB - 1;
+ } else {
+ SmbiosRecord->EndingAddress = (UINT32) (TotalMemorySizeInKB - 1);
+ }
+
+ //
+ // Memory Array Handle will be the 3rd optional string following the formatted structure.
+ //
+ GetType16Handle(Smbios, &Type16Handle);
+ SmbiosRecord->MemoryArrayHandle = Type16Handle;
+ SmbiosRecord->PartitionWidth = MAX_SOCKETS;
+
+ //
+ // Now we have got the full smbios record, call smbios protocol to add this record.
+ // Generate Memory Array Mapped Address info (Type 19)
+ //
+ SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;
+ Status = Smbios-> Add (
+ Smbios,
+ NULL,
+ &SmbiosHandle,
+ (EFI_SMBIOS_TABLE_HEADER *) SmbiosRecord
+ );
+ FreePool (SmbiosRecord);
+
+ return Status;
+}
+
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