You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
351 lines
9.6 KiB
351 lines
9.6 KiB
/** @file
|
|
SRAT table parser
|
|
|
|
Copyright (c) 2016 - 2018, ARM 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.
|
|
|
|
@par Reference(s):
|
|
- ACPI 6.2 Specification - Errata A, September 2017
|
|
**/
|
|
|
|
#include <IndustryStandard/Acpi.h>
|
|
#include <Library/PrintLib.h>
|
|
#include <Library/UefiLib.h>
|
|
#include "AcpiParser.h"
|
|
#include "AcpiTableParser.h"
|
|
|
|
// Local Variables
|
|
STATIC CONST UINT8* SratRAType;
|
|
STATIC CONST UINT8* SratRALength;
|
|
STATIC ACPI_DESCRIPTION_HEADER_INFO AcpiHdrInfo;
|
|
|
|
/**
|
|
This function validates the Reserved field in the SRAT table header.
|
|
|
|
@param [in] Ptr Pointer to the start of the field data.
|
|
@param [in] Context Pointer to context specific information e.g. this
|
|
could be a pointer to the ACPI table header.
|
|
**/
|
|
STATIC
|
|
VOID
|
|
EFIAPI
|
|
ValidateSratReserved (
|
|
IN UINT8* Ptr,
|
|
IN VOID* Context
|
|
);
|
|
|
|
/**
|
|
This function traces the APIC Proximity Domain field.
|
|
|
|
@param [in] Format Format string for tracing the data.
|
|
@param [in] Ptr Pointer to the start of the buffer.
|
|
**/
|
|
STATIC
|
|
VOID
|
|
EFIAPI
|
|
DumpSratApicProximity (
|
|
IN CONST CHAR16* Format,
|
|
IN UINT8* Ptr
|
|
);
|
|
|
|
/**
|
|
An ACPI_PARSER array describing the SRAT Table.
|
|
**/
|
|
STATIC CONST ACPI_PARSER SratParser[] = {
|
|
PARSE_ACPI_HEADER (&AcpiHdrInfo),
|
|
{L"Reserved", 4, 36, L"0x%x", NULL, NULL, ValidateSratReserved, NULL},
|
|
{L"Reserved", 8, 40, L"0x%lx", NULL, NULL, NULL, NULL}
|
|
};
|
|
|
|
/**
|
|
An ACPI_PARSER array describing the Resource Allocation structure header.
|
|
**/
|
|
STATIC CONST ACPI_PARSER SratResourceAllocationParser[] = {
|
|
{L"Type", 1, 0, NULL, NULL, (VOID**)&SratRAType, NULL, NULL},
|
|
{L"Length", 1, 1, NULL, NULL, (VOID**)&SratRALength, NULL, NULL}
|
|
};
|
|
|
|
/**
|
|
An ACPI_PARSER array describing the GICC Affinity structure.
|
|
**/
|
|
STATIC CONST ACPI_PARSER SratGicCAffinityParser[] = {
|
|
{L"Type", 1, 0, L"0x%x", NULL, NULL, NULL, NULL},
|
|
{L"Length", 1, 1, L"0x%x", NULL, NULL, NULL, NULL},
|
|
|
|
{L"Proximity Domain", 4, 2, L"0x%x", NULL, NULL, NULL, NULL},
|
|
{L"ACPI Processor UID", 4, 6, L"0x%x", NULL, NULL, NULL, NULL},
|
|
{L"Flags", 4, 10, L"0x%x", NULL, NULL, NULL, NULL},
|
|
{L"Clock Domain", 4, 14, L"0x%x", NULL, NULL, NULL, NULL}
|
|
};
|
|
|
|
/**
|
|
An ACPI_PARSER array describing the GIC ITS Affinity structure.
|
|
**/
|
|
STATIC CONST ACPI_PARSER SratGicITSAffinityParser[] = {
|
|
{L"Type", 1, 0, L"0x%x", NULL, NULL, NULL, NULL},
|
|
{L"Length", 1, 1, L"0x%x", NULL, NULL, NULL, NULL},
|
|
|
|
{L"Proximity Domain", 4, 2, L"0x%x", NULL, NULL, NULL, NULL},
|
|
{L"Reserved", 2, 6, L"0x%x", NULL, NULL, NULL, NULL},
|
|
{L"ITS Id", 4, 8, L"0x%x", NULL, NULL, NULL, NULL},
|
|
};
|
|
|
|
/**
|
|
An ACPI_PARSER array describing the Memory Affinity structure.
|
|
**/
|
|
STATIC CONST ACPI_PARSER SratMemAffinityParser[] = {
|
|
{L"Type", 1, 0, L"0x%x", NULL, NULL, NULL, NULL},
|
|
{L"Length", 1, 1, L"0x%x", NULL, NULL, NULL, NULL},
|
|
|
|
{L"Proximity Domain", 4, 2, L"0x%x", NULL, NULL, NULL, NULL},
|
|
{L"Reserved", 2, 6, L"0x%x", NULL, NULL, NULL, NULL},
|
|
{L"Base Address Low", 4, 8, L"0x%x", NULL, NULL, NULL, NULL},
|
|
{L"Base Address High", 4, 12, L"0x%x", NULL, NULL, NULL, NULL},
|
|
{L"Length Low", 4, 16, L"0x%x", NULL, NULL, NULL, NULL},
|
|
{L"Length High", 4, 20, L"0x%x", NULL, NULL, NULL, NULL},
|
|
{L"Reserved", 4, 24, L"0x%x", NULL, NULL, NULL, NULL},
|
|
{L"Flags", 4, 28, L"0x%x", NULL, NULL, NULL, NULL},
|
|
{L"Reserved", 8, 32, L"0x%lx", NULL, NULL, NULL, NULL}
|
|
};
|
|
|
|
/**
|
|
An ACPI_PARSER array describing the APIC/SAPIC Affinity structure.
|
|
**/
|
|
STATIC CONST ACPI_PARSER SratApciSapicAffinityParser[] = {
|
|
{L"Type", 1, 0, L"0x%x", NULL, NULL, NULL, NULL},
|
|
{L"Length", 1, 1, L"0x%x", NULL, NULL, NULL, NULL},
|
|
|
|
{L"Proximity Domain [7:0]", 1, 2, L"0x%x", NULL, NULL, NULL, NULL},
|
|
{L"APIC ID", 1, 3, L"0x%x", NULL, NULL, NULL, NULL},
|
|
{L"Flags", 4, 4, L"0x%x", NULL, NULL, NULL, NULL},
|
|
{L"Local SAPIC EID", 1, 8, L"0x%x", NULL, NULL, NULL, NULL},
|
|
{L"Proximity Domain [31:8]", 3, 9, L"0x%x", DumpSratApicProximity,
|
|
NULL, NULL, NULL},
|
|
{L"Clock Domain", 4, 12, L"0x%x", NULL, NULL, NULL, NULL}
|
|
};
|
|
|
|
/**
|
|
An ACPI_PARSER array describing the Processor Local x2APIC Affinity structure.
|
|
**/
|
|
STATIC CONST ACPI_PARSER SratX2ApciAffinityParser[] = {
|
|
{L"Type", 1, 0, L"0x%x", NULL, NULL, NULL, NULL},
|
|
{L"Length", 1, 1, L"0x%x", NULL, NULL, NULL, NULL},
|
|
|
|
{L"Reserved", 2, 2, L"0x%x", NULL, NULL, NULL, NULL},
|
|
{L"Proximity Domain", 4, 4, L"0x%x", NULL, NULL, NULL, NULL},
|
|
{L"X2APIC ID", 4, 8, L"0x%x", NULL, NULL, NULL, NULL},
|
|
{L"Flags", 4, 12, L"0x%x", NULL, NULL, NULL, NULL},
|
|
{L"Clock Domain", 4, 16, L"0x%x", NULL, NULL, NULL, NULL},
|
|
{L"Reserved", 4, 20, L"0x%x", NULL, NULL, NULL, NULL}
|
|
};
|
|
|
|
/** This function validates the Reserved field in the SRAT table header.
|
|
|
|
@param [in] Ptr Pointer to the start of the field data.
|
|
@param [in] Context Pointer to context specific information e.g. this
|
|
could be a pointer to the ACPI table header.
|
|
**/
|
|
STATIC
|
|
VOID
|
|
EFIAPI
|
|
ValidateSratReserved (
|
|
IN UINT8* Ptr,
|
|
IN VOID* Context
|
|
)
|
|
{
|
|
if (*(UINT32*)Ptr != 1) {
|
|
IncrementErrorCount ();
|
|
Print (L"\nERROR: Reserved should be 1 for backward compatibility.\n");
|
|
}
|
|
}
|
|
|
|
/**
|
|
This function traces the APIC Proximity Domain field.
|
|
|
|
@param [in] Format Format string for tracing the data.
|
|
@param [in] Ptr Pointer to the start of the buffer.
|
|
**/
|
|
STATIC
|
|
VOID
|
|
EFIAPI
|
|
DumpSratApicProximity (
|
|
IN CONST CHAR16* Format,
|
|
IN UINT8* Ptr
|
|
)
|
|
{
|
|
UINT32 ProximityDomain;
|
|
|
|
ProximityDomain = Ptr[0] | (Ptr[1] << 8) | (Ptr[2] << 16);
|
|
|
|
Print (Format, ProximityDomain);
|
|
}
|
|
|
|
/**
|
|
This function parses the ACPI SRAT table.
|
|
When trace is enabled this function parses the SRAT table and
|
|
traces the ACPI table fields.
|
|
|
|
This function parses the following Resource Allocation Structures:
|
|
- Processor Local APIC/SAPIC Affinity Structure
|
|
- Memory Affinity Structure
|
|
- Processor Local x2APIC Affinity Structure
|
|
- GICC Affinity Structure
|
|
|
|
This function also performs validation of the ACPI table fields.
|
|
|
|
@param [in] Trace If TRUE, trace the ACPI fields.
|
|
@param [in] Ptr Pointer to the start of the buffer.
|
|
@param [in] AcpiTableLength Length of the ACPI table.
|
|
@param [in] AcpiTableRevision Revision of the ACPI table.
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
ParseAcpiSrat (
|
|
IN BOOLEAN Trace,
|
|
IN UINT8* Ptr,
|
|
IN UINT32 AcpiTableLength,
|
|
IN UINT8 AcpiTableRevision
|
|
)
|
|
{
|
|
UINT32 Offset;
|
|
UINT8* ResourcePtr;
|
|
UINT32 GicCAffinityIndex;
|
|
UINT32 GicITSAffinityIndex;
|
|
UINT32 MemoryAffinityIndex;
|
|
UINT32 ApicSapicAffinityIndex;
|
|
UINT32 X2ApicAffinityIndex;
|
|
CHAR8 Buffer[80]; // Used for AsciiName param of ParseAcpi
|
|
|
|
GicCAffinityIndex = 0;
|
|
GicITSAffinityIndex = 0;
|
|
MemoryAffinityIndex = 0;
|
|
ApicSapicAffinityIndex = 0;
|
|
X2ApicAffinityIndex = 0;
|
|
|
|
if (!Trace) {
|
|
return;
|
|
}
|
|
|
|
Offset = ParseAcpi (
|
|
TRUE,
|
|
0,
|
|
"SRAT",
|
|
Ptr,
|
|
AcpiTableLength,
|
|
PARSER_PARAMS (SratParser)
|
|
);
|
|
ResourcePtr = Ptr + Offset;
|
|
|
|
while (Offset < AcpiTableLength) {
|
|
ParseAcpi (
|
|
FALSE,
|
|
0,
|
|
NULL,
|
|
ResourcePtr,
|
|
2, // The length is 1 byte at offset 1
|
|
PARSER_PARAMS (SratResourceAllocationParser)
|
|
);
|
|
|
|
switch (*SratRAType) {
|
|
case EFI_ACPI_6_2_GICC_AFFINITY:
|
|
AsciiSPrint (
|
|
Buffer,
|
|
sizeof (Buffer),
|
|
"GICC Affinity Structure [%d]",
|
|
GicCAffinityIndex++
|
|
);
|
|
ParseAcpi (
|
|
TRUE,
|
|
2,
|
|
Buffer,
|
|
ResourcePtr,
|
|
*SratRALength,
|
|
PARSER_PARAMS (SratGicCAffinityParser)
|
|
);
|
|
break;
|
|
|
|
case EFI_ACPI_6_2_GIC_ITS_AFFINITY:
|
|
AsciiSPrint (
|
|
Buffer,
|
|
sizeof (Buffer),
|
|
"GIC ITS Affinity Structure [%d]",
|
|
GicITSAffinityIndex++
|
|
);
|
|
ParseAcpi (
|
|
TRUE,
|
|
2,
|
|
Buffer,
|
|
ResourcePtr,
|
|
*SratRALength,
|
|
PARSER_PARAMS (SratGicITSAffinityParser)
|
|
);
|
|
break;
|
|
|
|
case EFI_ACPI_6_2_MEMORY_AFFINITY:
|
|
AsciiSPrint (
|
|
Buffer,
|
|
sizeof (Buffer),
|
|
"Memory Affinity Structure [%d]",
|
|
MemoryAffinityIndex++
|
|
);
|
|
ParseAcpi (
|
|
TRUE,
|
|
2,
|
|
Buffer,
|
|
ResourcePtr,
|
|
*SratRALength,
|
|
PARSER_PARAMS (SratMemAffinityParser)
|
|
);
|
|
break;
|
|
|
|
case EFI_ACPI_6_2_PROCESSOR_LOCAL_APIC_SAPIC_AFFINITY:
|
|
AsciiSPrint (
|
|
Buffer,
|
|
sizeof (Buffer),
|
|
"APIC/SAPIC Affinity Structure [%d]",
|
|
ApicSapicAffinityIndex++
|
|
);
|
|
ParseAcpi (
|
|
TRUE,
|
|
2,
|
|
Buffer,
|
|
ResourcePtr,
|
|
*SratRALength,
|
|
PARSER_PARAMS (SratApciSapicAffinityParser)
|
|
);
|
|
break;
|
|
|
|
case EFI_ACPI_6_2_PROCESSOR_LOCAL_X2APIC_AFFINITY:
|
|
AsciiSPrint (
|
|
Buffer,
|
|
sizeof (Buffer),
|
|
"X2APIC Affinity Structure [%d]",
|
|
X2ApicAffinityIndex++
|
|
);
|
|
ParseAcpi (
|
|
TRUE,
|
|
2,
|
|
Buffer,
|
|
ResourcePtr,
|
|
*SratRALength,
|
|
PARSER_PARAMS (SratX2ApciAffinityParser)
|
|
);
|
|
break;
|
|
|
|
default:
|
|
IncrementErrorCount ();
|
|
Print (L"ERROR: Unknown SRAT Affinity type = 0x%x\n", *SratRAType);
|
|
break;
|
|
}
|
|
|
|
ResourcePtr += (*SratRALength);
|
|
Offset += (*SratRALength);
|
|
}
|
|
}
|