diff options
Diffstat (limited to 'Silicon/Hisilicon/Drivers/HisiAcpiPlatformDxe/UpdateAcpiTable.c')
| -rw-r--r-- | Silicon/Hisilicon/Drivers/HisiAcpiPlatformDxe/UpdateAcpiTable.c | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/Silicon/Hisilicon/Drivers/HisiAcpiPlatformDxe/UpdateAcpiTable.c b/Silicon/Hisilicon/Drivers/HisiAcpiPlatformDxe/UpdateAcpiTable.c new file mode 100644 index 0000000000..7d06fccc2b --- /dev/null +++ b/Silicon/Hisilicon/Drivers/HisiAcpiPlatformDxe/UpdateAcpiTable.c @@ -0,0 +1,137 @@ +/** @file
+ Copyright (c) 2016, Hisilicon Limited. All rights reserved.
+ 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 <PlatformArch.h>
+#include <IndustryStandard/Acpi.h>
+#include <Library/AcpiNextLib.h>
+#include <Library/BaseLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/DebugLib.h>
+#include <Library/HobLib.h>
+#include <Library/HwMemInitLib.h>
+#include <Library/OemMiscLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiLib.h>
+
+#define CORE_NUM_PER_SOCKET 32
+#define NODE_IN_SOCKET 2
+#define CORECOUNT(X) ((X) * CORE_NUM_PER_SOCKET)
+
+STATIC
+VOID
+RemoveUnusedMemoryNode (
+ IN OUT EFI_ACPI_STATIC_RESOURCE_AFFINITY_TABLE *Table,
+ IN UINTN MemoryNodeNum
+)
+{
+ UINTN CurrPtr, NewPtr;
+
+ if (MemoryNodeNum >= EFI_ACPI_MEMORY_AFFINITY_STRUCTURE_COUNT) {
+ return;
+ }
+
+ CurrPtr = (UINTN) &(Table->Memory[EFI_ACPI_MEMORY_AFFINITY_STRUCTURE_COUNT]);
+ NewPtr = (UINTN) &(Table->Memory[MemoryNodeNum]);
+
+ CopyMem ((VOID *)NewPtr, (VOID *)CurrPtr, (UINTN)Table + Table->Header.Header.Length - CurrPtr);
+
+ Table->Header.Header.Length -= CurrPtr - NewPtr;
+
+ return;
+}
+
+STATIC
+EFI_STATUS
+UpdateSrat (
+ IN OUT EFI_ACPI_STATIC_RESOURCE_AFFINITY_TABLE *Table
+ )
+{
+ UINT8 Skt = 0;
+ UINTN Index = 0;
+ VOID *HobList;
+ GBL_DATA *Gbl_Data;
+ UINTN Base;
+ UINTN Size;
+ UINT8 NodeId;
+ UINT32 ScclInterleaveEn;
+ UINTN MemoryNode = 0;
+
+ DEBUG((DEBUG_INFO, "SRAT: Updating SRAT memory information.\n"));
+
+ HobList = GetHobList();
+ if (HobList == NULL) {
+ return EFI_UNSUPPORTED;
+ }
+ Gbl_Data = (GBL_DATA*)GetNextGuidHob(&gHisiEfiMemoryMapGuid, HobList);
+ if (Gbl_Data == NULL) {
+ DEBUG((DEBUG_ERROR, "Get next Guid HOb fail.\n"));
+ return EFI_NOT_FOUND;
+ }
+ Gbl_Data = GET_GUID_HOB_DATA(Gbl_Data);
+ for(Skt = 0; Skt < MAX_SOCKET; Skt++) {
+ for(Index = 0; Index < MAX_NUM_PER_TYPE; Index++) {
+ NodeId = Gbl_Data->NumaInfo[Skt][Index].NodeId;
+ Base = Gbl_Data->NumaInfo[Skt][Index].Base;
+ Size = Gbl_Data->NumaInfo[Skt][Index].Length;
+ DEBUG((DEBUG_INFO, "Skt %d Index %d: NodeId = %d, Base = 0x%lx, Size = 0x%lx\n", Skt, Index, NodeId, Base, Size));
+ if (Size > 0) {
+ Table->Memory[MemoryNode].ProximityDomain = NodeId;
+ Table->Memory[MemoryNode].AddressBaseLow = Base;
+ Table->Memory[MemoryNode].AddressBaseHigh = Base >> 32;
+ Table->Memory[MemoryNode].LengthLow = Size;
+ Table->Memory[MemoryNode].LengthHigh = Size >> 32;
+ MemoryNode = MemoryNode + 1;
+ }
+ }
+ ScclInterleaveEn = Gbl_Data->NumaInfo[Skt][0].ScclInterleaveEn;
+ DEBUG((DEBUG_INFO, "ScclInterleaveEn = %d\n", ScclInterleaveEn));
+ //update gicc structure
+ if (ScclInterleaveEn != 0) {
+ DEBUG((DEBUG_INFO, "SRAT: Updating SRAT Gicc information.\n"));
+ for (Index = CORECOUNT (Skt); Index < CORECOUNT (Skt + 1); Index++) {
+ Table->Gicc[Index].ProximityDomain = Skt * NODE_IN_SOCKET;
+ }
+ }
+ }
+
+ //remove invalid memory node
+ RemoveUnusedMemoryNode (Table, MemoryNode);
+
+ return EFI_SUCCESS;
+}
+
+STATIC
+EFI_STATUS
+UpdateSlit (
+ IN OUT EFI_ACPI_DESCRIPTION_HEADER *Table
+ )
+{
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+UpdateAcpiTable (
+ IN OUT EFI_ACPI_DESCRIPTION_HEADER *TableHeader
+)
+{
+ EFI_STATUS Status = EFI_SUCCESS;
+
+ switch (TableHeader->Signature) {
+
+ case EFI_ACPI_6_0_SYSTEM_RESOURCE_AFFINITY_TABLE_SIGNATURE:
+ Status = UpdateSrat ((EFI_ACPI_STATIC_RESOURCE_AFFINITY_TABLE *) TableHeader);
+ break;
+
+ case EFI_ACPI_6_0_SYSTEM_LOCALITY_INFORMATION_TABLE_SIGNATURE:
+ Status = UpdateSlit (TableHeader);
+ break;
+ }
+ return Status;
+}
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