Skip to content

Add APMT ACPI table support for guest uncore PMU #48

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
Arvean-microsoft wants to merge 1 commit into
base: main
Choose a base branch
from
Open

Add APMT ACPI table support for guest uncore PMU #48

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
65 changes: 65 additions & 0 deletions MsvmPkg/AcpiPlatformDxe/AcpiPlatform.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -862,6 +862,62 @@ Return Value:
}


EFI_STATUS
AcpiInstallApmtTable(
EFI_ACPI_TABLE_PROTOCOL *AcpiTable
)
/*++

Routine Description:

Retrieves the APMT table from the worker process and installs it.

Arguments:

AcpiTable - A pointer to the ACPI table protocol.

Return Value:

EFI_STATUS.

--*/
{
EFI_STATUS status;
EFI_ACPI_DESCRIPTION_HEADER *table;
UINTN tableHandle;
UINT32 tableSize;

//
// Get the table from the config blob parsed in PEI. It may not be present.
//
tableSize = PcdGet32(PcdApmtSize);

if (tableSize == 0)
{
return EFI_SUCCESS;
}

table = (EFI_ACPI_DESCRIPTION_HEADER *)(UINTN) PcdGet64(PcdApmtPtr);

if (table == NULL)
{
return EFI_NOT_FOUND;
}

ASSERT(table->Length == tableSize);

//
// Install it into the published tables.
//
status = AcpiTable->InstallAcpiTable(AcpiTable,
table,
table->Length,
&tableHandle);

return status;
}


EFI_STATUS
EFIAPI
AcpiPlatformInitializeAcpiTables(
Expand Down Expand Up @@ -1078,6 +1134,15 @@ Return Value:
goto Cleanup;
}

//
// Add the APMT table if present.
//
status = AcpiInstallApmtTable(acpiTable);
if (EFI_ERROR(status))
{
goto Cleanup;
}

status = EFI_SUCCESS;

Cleanup:
Expand Down
2 changes: 2 additions & 0 deletions MsvmPkg/AcpiPlatformDxe/AcpiPlatformDxe.inf
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -78,6 +78,8 @@
gMsvmPkgTokenSpaceGuid.PcdSsdtSize ## CONSUMES
gMsvmPkgTokenSpaceGuid.PcdIortPtr ## CONSUMES
gMsvmPkgTokenSpaceGuid.PcdIortSize ## CONSUMES
gMsvmPkgTokenSpaceGuid.PcdApmtPtr ## CONSUMES
gMsvmPkgTokenSpaceGuid.PcdApmtSize ## CONSUMES
gMsvmPkgTokenSpaceGuid.PcdNvdimmCount ## CONSUMES
gMsvmPkgTokenSpaceGuid.PcdPpttPtr ## CONSUMES
gMsvmPkgTokenSpaceGuid.PcdPpttSize ## CONSUMES
Expand Down
1 change: 1 addition & 0 deletions MsvmPkg/Include/AcpiTables.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,7 @@ typedef struct _VM_ACPI_ENTROPY_TABLE
#define VM_ACPI_ENTROPY_TABLE_SIGNATURE SIGNATURE_32('O','E','M','0')

#define AMD_ACPI_ASPT_TABLE_SIGNATURE SIGNATURE_32('A', 'S', 'P', 'T')
#define ARM_ACPI_APMT_TABLE_SIGNATURE SIGNATURE_32('A', 'P', 'M', 'T')

//
// WDAT table.
Expand Down
7 changes: 7 additions & 0 deletions MsvmPkg/Include/BiosInterface.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -558,6 +558,7 @@ enum UefiStructureType
UefiConfigSsdt = 0x25,
UefiConfigHmat = 0x26,
UefiConfigIort = 0x27,
UefiConfigApmt = 0x28,
};

//
Expand Down Expand Up @@ -879,6 +880,12 @@ typedef struct _UEFI_CONFIG_IORT
UINT8 Iort[];
} UEFI_CONFIG_IORT;

typedef struct _UEFI_CONFIG_APMT
{
UEFI_CONFIG_HEADER Header;
UINT8 Apmt[];
} UEFI_CONFIG_APMT;

//
// UEFI configuration information for direct parsing of IGVM parameters.
//
Expand Down
4 changes: 4 additions & 0 deletions MsvmPkg/MsvmPkg.dec
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -382,3 +382,7 @@
# UEFI_CONFIG_IORT
gMsvmPkgTokenSpaceGuid.PcdIortPtr|0x0|UINT64|0x6070
gMsvmPkgTokenSpaceGuid.PcdIortSize|0x0|UINT32|0x6071

# UEFI_CONFIG_APMT
gMsvmPkgTokenSpaceGuid.PcdApmtPtr|0x0|UINT64|0x6073
gMsvmPkgTokenSpaceGuid.PcdApmtSize|0x0|UINT32|0x6074
4 changes: 4 additions & 0 deletions MsvmPkg/MsvmPkgAARCH64.dsc
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -557,6 +557,10 @@
gMsvmPkgTokenSpaceGuid.PcdIortPtr|0x0
gMsvmPkgTokenSpaceGuid.PcdIortSize|0x0

# UEFI_CONFIG_APMT
gMsvmPkgTokenSpaceGuid.PcdApmtPtr|0x0
gMsvmPkgTokenSpaceGuid.PcdApmtSize|0x0

# UEFI_CONFIG_MEMORY_MAP
gMsvmPkgTokenSpaceGuid.PcdMemoryMapPtr|0x0
gMsvmPkgTokenSpaceGuid.PcdMemoryMapSize|0x0
Expand Down
4 changes: 4 additions & 0 deletions MsvmPkg/MsvmPkgX64.dsc
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -556,6 +556,10 @@
gMsvmPkgTokenSpaceGuid.PcdIortPtr|0x0
gMsvmPkgTokenSpaceGuid.PcdIortSize|0x0

# UEFI_CONFIG_APMT
gMsvmPkgTokenSpaceGuid.PcdApmtPtr|0x0
gMsvmPkgTokenSpaceGuid.PcdApmtSize|0x0

# UEFI_CONFIG_MEMORY_MAP
gMsvmPkgTokenSpaceGuid.PcdMemoryMapPtr|0x0
gMsvmPkgTokenSpaceGuid.PcdMemoryMapSize|0x0
Expand Down
21 changes: 21 additions & 0 deletions MsvmPkg/PlatformPei/Config.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -590,6 +590,10 @@ DebugDumpUefiConfigStruct(
DebugDumpHmat(hmat->Hmat);
break;

case UefiConfigApmt:
DEBUG((DEBUG_VERBOSE, "\tAPMT table found.\n"));
break;

case UefiConfigMemoryMap:
UEFI_CONFIG_MEMORY_MAP *memMap = (UEFI_CONFIG_MEMORY_MAP*) Header;
DebugDumpMemoryMap(memMap->MemoryMap, Header->Length - sizeof(UEFI_CONFIG_HEADER), PcdGetBool(PcdLegacyMemoryMap));
Expand Down Expand Up @@ -1065,6 +1069,7 @@ Return Value:
0, //UefiConfigSsdt
0, //UefiConfigHmat
0, //UefiConfigIort
0, //UefiConfigApmt
};

//
Expand Down Expand Up @@ -1630,6 +1635,22 @@ Return Value:
PEI_FAIL_FAST_IF_FAILED(PcdSet64S(PcdIortPtr, (UINT64)iortStructure->Iort));
PEI_FAIL_FAST_IF_FAILED(PcdSet32S(PcdIortSize, iortHdr->Length));
break;

case UefiConfigApmt:
UEFI_CONFIG_APMT *apmtStructure = (UEFI_CONFIG_APMT*) header;
EFI_ACPI_DESCRIPTION_HEADER *apmtHdr = (EFI_ACPI_DESCRIPTION_HEADER*) apmtStructure->Apmt;

if (apmtStructure->Header.Length < (sizeof(UEFI_CONFIG_HEADER) + sizeof(EFI_ACPI_DESCRIPTION_HEADER)) ||
apmtHdr->Signature != ARM_ACPI_APMT_TABLE_SIGNATURE ||
apmtHdr->Length > (apmtStructure->Header.Length - sizeof(UEFI_CONFIG_HEADER)))
{
DEBUG((DEBUG_ERROR, "*** Malformed APMT\n"));
FAIL_FAST_UNEXPECTED_HOST_BEHAVIOR();
}

PEI_FAIL_FAST_IF_FAILED(PcdSet64S(PcdApmtPtr, (UINT64)apmtStructure->Apmt));
PEI_FAIL_FAST_IF_FAILED(PcdSet32S(PcdApmtSize, apmtHdr->Length));
break;
}

calculatedConfigSize += header->Length;
Expand Down
2 changes: 2 additions & 0 deletions MsvmPkg/PlatformPei/PlatformPei.inf
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -89,6 +89,8 @@
gMsvmPkgTokenSpaceGuid.PcdLegacyMemoryMap
gMsvmPkgTokenSpaceGuid.PcdIortPtr
gMsvmPkgTokenSpaceGuid.PcdIortSize
gMsvmPkgTokenSpaceGuid.PcdApmtPtr
gMsvmPkgTokenSpaceGuid.PcdApmtSize
gMsvmPkgTokenSpaceGuid.PcdMadtPtr
gMsvmPkgTokenSpaceGuid.PcdMadtSize
gMsvmPkgTokenSpaceGuid.PcdMcfgPtr
Expand Down