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Diffstat (limited to 'MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableDxe/FirmwarePerformanceDxe.c')
-rw-r--r--MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableDxe/FirmwarePerformanceDxe.c224
1 files changed, 164 insertions, 60 deletions
diff --git a/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableDxe/FirmwarePerformanceDxe.c b/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableDxe/FirmwarePerformanceDxe.c
index dae12a486..8996fe2b6 100644
--- a/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableDxe/FirmwarePerformanceDxe.c
+++ b/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableDxe/FirmwarePerformanceDxe.c
@@ -21,6 +21,8 @@
#include <Protocol/ReportStatusCodeHandler.h>
#include <Protocol/AcpiTable.h>
#include <Protocol/SmmCommunication.h>
+#include <Protocol/LockBox.h>
+#include <Protocol/Variable.h>
#include <Guid/Acpi.h>
#include <Guid/FirmwarePerformance.h>
@@ -36,7 +38,8 @@
#include <Library/MemoryAllocationLib.h>
#include <Library/PcdLib.h>
#include <Library/HobLib.h>
-#include <Library/PcdLib.h>
+#include <Library/LockBoxLib.h>
+#include <Library/UefiLib.h>
//
// ACPI table information used to initialize tables.
@@ -51,6 +54,7 @@
EFI_RSC_HANDLER_PROTOCOL *mRscHandlerProtocol = NULL;
+BOOLEAN mLockBoxReady = FALSE;
EFI_EVENT mReadyToBootEvent;
EFI_EVENT mLegacyBootEvent;
EFI_EVENT mExitBootServicesEvent;
@@ -206,6 +210,7 @@ FpdtAllocateReservedMemoryBelow4G (
EFI_STATUS Status;
VOID *Buffer;
+ Buffer = NULL;
Pages = EFI_SIZE_TO_PAGES (Size);
Address = 0xffffffff;
@@ -217,13 +222,107 @@ FpdtAllocateReservedMemoryBelow4G (
);
ASSERT_EFI_ERROR (Status);
- Buffer = (VOID *) (UINTN) Address;
- ZeroMem (Buffer, Size);
+ if (!EFI_ERROR (Status)) {
+ Buffer = (VOID *) (UINTN) Address;
+ ZeroMem (Buffer, Size);
+ }
return Buffer;
}
/**
+ Callback function upon VariableArchProtocol and LockBoxProtocol
+ to allocate S3 performance table memory and save the pointer to LockBox.
+
+ @param[in] Event Event whose notification function is being invoked.
+ @param[in] Context Pointer to the notification function's context.
+**/
+VOID
+EFIAPI
+FpdtAllocateS3PerformanceTableMemory (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ )
+{
+ EFI_STATUS Status;
+ VOID *Interface;
+ FIRMWARE_PERFORMANCE_VARIABLE PerformanceVariable;
+ UINTN Size;
+ EFI_PHYSICAL_ADDRESS S3PerformanceTablePointer;
+
+ if (mLockBoxReady && (mAcpiS3PerformanceTable != NULL)) {
+ //
+ // The memory for S3 performance table should have been ready,
+ // and the pointer should have been saved to LockBox, just return.
+ //
+ return;
+ }
+
+ if (!mLockBoxReady) {
+ Status = gBS->LocateProtocol (&gEfiLockBoxProtocolGuid, NULL, &Interface);
+ if (!EFI_ERROR (Status)) {
+ //
+ // LockBox services has been ready.
+ //
+ mLockBoxReady = TRUE;
+ }
+ }
+
+ if (mAcpiS3PerformanceTable == NULL) {
+ Status = gBS->LocateProtocol (&gEfiVariableArchProtocolGuid, NULL, &Interface);
+ if (!EFI_ERROR (Status)) {
+ //
+ // Try to allocate the same runtime buffer as last time boot.
+ //
+ ZeroMem (&PerformanceVariable, sizeof (PerformanceVariable));
+ Size = sizeof (PerformanceVariable);
+ Status = gRT->GetVariable (
+ EFI_FIRMWARE_PERFORMANCE_VARIABLE_NAME,
+ &gEfiFirmwarePerformanceGuid,
+ NULL,
+ &Size,
+ &PerformanceVariable
+ );
+ if (!EFI_ERROR (Status)) {
+ Status = gBS->AllocatePages (
+ AllocateAddress,
+ EfiReservedMemoryType,
+ EFI_SIZE_TO_PAGES (sizeof (S3_PERFORMANCE_TABLE)),
+ &PerformanceVariable.S3PerformanceTablePointer
+ );
+ if (!EFI_ERROR (Status)) {
+ mAcpiS3PerformanceTable = (S3_PERFORMANCE_TABLE *) (UINTN) PerformanceVariable.S3PerformanceTablePointer;
+ }
+ }
+ if (mAcpiS3PerformanceTable == NULL) {
+ //
+ // Fail to allocate at specified address, continue to allocate at any address.
+ //
+ mAcpiS3PerformanceTable = (S3_PERFORMANCE_TABLE *) FpdtAllocateReservedMemoryBelow4G (sizeof (S3_PERFORMANCE_TABLE));
+ }
+ DEBUG ((EFI_D_INFO, "FPDT: ACPI S3 Performance Table address = 0x%x\n", mAcpiS3PerformanceTable));
+ if (mAcpiS3PerformanceTable != NULL) {
+ CopyMem (mAcpiS3PerformanceTable, &mS3PerformanceTableTemplate, sizeof (mS3PerformanceTableTemplate));
+ }
+ }
+ }
+
+ if (mLockBoxReady && (mAcpiS3PerformanceTable != NULL)) {
+ //
+ // If LockBox services has been ready and memory for FPDT S3 performance table has been allocated,
+ // save the pointer to LockBox for use in S3 resume.
+ //
+ S3PerformanceTablePointer = (EFI_PHYSICAL_ADDRESS) (UINTN) mAcpiS3PerformanceTable;
+ Status = SaveLockBox (
+ &gFirmwarePerformanceS3PointerGuid,
+ &S3PerformanceTablePointer,
+ sizeof (EFI_PHYSICAL_ADDRESS)
+ );
+ ASSERT_EFI_ERROR (Status);
+ }
+}
+
+/**
Install ACPI Firmware Performance Data Table (FPDT).
@return Status code.
@@ -236,15 +335,13 @@ InstallFirmwarePerformanceDataTable (
{
EFI_STATUS Status;
EFI_ACPI_TABLE_PROTOCOL *AcpiTableProtocol;
- EFI_PHYSICAL_ADDRESS Address;
UINTN Size;
UINT8 *SmmBootRecordCommBuffer;
EFI_SMM_COMMUNICATE_HEADER *SmmCommBufferHeader;
SMM_BOOT_RECORD_COMMUNICATE *SmmCommData;
UINTN CommSize;
- UINTN PerformanceRuntimeDataSize;
- UINT8 *PerformanceRuntimeData;
- UINT8 *PerformanceRuntimeDataHead;
+ UINTN BootPerformanceDataSize;
+ UINT8 *BootPerformanceData;
EFI_SMM_COMMUNICATION_PROTOCOL *Communication;
FIRMWARE_PERFORMANCE_VARIABLE PerformanceVariable;
@@ -299,15 +396,12 @@ InstallFirmwarePerformanceDataTable (
FreePool (SmmBootRecordCommBuffer);
//
- // Prepare memory for runtime Performance Record.
- // Runtime performance records includes two tables S3 performance table and Boot performance table.
- // S3 Performance table includes S3Resume and S3Suspend records.
+ // Prepare memory for Boot Performance table.
// Boot Performance table includes BasicBoot record, and one or more appended Boot Records.
//
- PerformanceRuntimeData = NULL;
- PerformanceRuntimeDataSize = sizeof (S3_PERFORMANCE_TABLE) + sizeof (BOOT_PERFORMANCE_TABLE) + mBootRecordSize + PcdGet32 (PcdExtFpdtBootRecordPadSize);
+ BootPerformanceDataSize = sizeof (BOOT_PERFORMANCE_TABLE) + mBootRecordSize + PcdGet32 (PcdExtFpdtBootRecordPadSize);
if (SmmCommData != NULL) {
- PerformanceRuntimeDataSize += SmmCommData->BootRecordSize;
+ BootPerformanceDataSize += SmmCommData->BootRecordSize;
}
//
@@ -323,88 +417,60 @@ InstallFirmwarePerformanceDataTable (
&PerformanceVariable
);
if (!EFI_ERROR (Status)) {
- Address = PerformanceVariable.S3PerformanceTablePointer;
Status = gBS->AllocatePages (
AllocateAddress,
EfiReservedMemoryType,
- EFI_SIZE_TO_PAGES (PerformanceRuntimeDataSize),
- &Address
+ EFI_SIZE_TO_PAGES (BootPerformanceDataSize),
+ &PerformanceVariable.BootPerformanceTablePointer
);
if (!EFI_ERROR (Status)) {
- PerformanceRuntimeData = (UINT8 *) (UINTN) Address;
+ mAcpiBootPerformanceTable = (BOOT_PERFORMANCE_TABLE *) (UINTN) PerformanceVariable.BootPerformanceTablePointer;
}
}
- if (PerformanceRuntimeData == NULL) {
+ if (mAcpiBootPerformanceTable == NULL) {
//
// Fail to allocate at specified address, continue to allocate at any address.
//
- PerformanceRuntimeData = FpdtAllocateReservedMemoryBelow4G (PerformanceRuntimeDataSize);
+ mAcpiBootPerformanceTable = (BOOT_PERFORMANCE_TABLE *) FpdtAllocateReservedMemoryBelow4G (BootPerformanceDataSize);
}
- DEBUG ((EFI_D_INFO, "FPDT: Performance Runtime Data address = 0x%x\n", PerformanceRuntimeData));
+ DEBUG ((EFI_D_INFO, "FPDT: ACPI Boot Performance Table address = 0x%x\n", mAcpiBootPerformanceTable));
- if (PerformanceRuntimeData == NULL) {
+ if (mAcpiBootPerformanceTable == NULL) {
if (SmmCommData != NULL && SmmCommData->BootRecordData != NULL) {
FreePool (SmmCommData->BootRecordData);
}
+ if (mAcpiS3PerformanceTable != NULL) {
+ FreePages (mAcpiS3PerformanceTable, EFI_SIZE_TO_PAGES (sizeof (S3_PERFORMANCE_TABLE)));
+ }
return EFI_OUT_OF_RESOURCES;
}
-
- PerformanceRuntimeDataHead = PerformanceRuntimeData;
-
- if (FeaturePcdGet (PcdFirmwarePerformanceDataTableS3Support)) {
- //
- // Prepare S3 Performance Table.
- //
- mAcpiS3PerformanceTable = (S3_PERFORMANCE_TABLE *) PerformanceRuntimeData;
- CopyMem (mAcpiS3PerformanceTable, &mS3PerformanceTableTemplate, sizeof (mS3PerformanceTableTemplate));
- PerformanceRuntimeData = PerformanceRuntimeData + mAcpiS3PerformanceTable->Header.Length;
- DEBUG ((EFI_D_INFO, "FPDT: ACPI S3 Performance Table address = 0x%x\n", mAcpiS3PerformanceTable));
- //
- // Save S3 Performance Table address to Variable for use in Firmware Performance PEIM.
- //
- PerformanceVariable.S3PerformanceTablePointer = (EFI_PHYSICAL_ADDRESS) (UINTN) mAcpiS3PerformanceTable;
- //
- // Update S3 Performance Table Pointer in template.
- //
- mFirmwarePerformanceTableTemplate.S3PointerRecord.S3PerformanceTablePointer = (UINT64) PerformanceVariable.S3PerformanceTablePointer;
- } else {
- //
- // Exclude S3 Performance Table Pointer from FPDT table template.
- //
- mFirmwarePerformanceTableTemplate.Header.Length -= sizeof (EFI_ACPI_5_0_FPDT_S3_PERFORMANCE_TABLE_POINTER_RECORD);
- }
//
// Prepare Boot Performance Table.
//
- mAcpiBootPerformanceTable = (BOOT_PERFORMANCE_TABLE *) PerformanceRuntimeData;
+ BootPerformanceData = (UINT8 *) mAcpiBootPerformanceTable;
//
// Fill Basic Boot record to Boot Performance Table.
//
- CopyMem (PerformanceRuntimeData, &mBootPerformanceTableTemplate, sizeof (mBootPerformanceTableTemplate));
- PerformanceRuntimeData = PerformanceRuntimeData + mAcpiBootPerformanceTable->Header.Length;
+ CopyMem (mAcpiBootPerformanceTable, &mBootPerformanceTableTemplate, sizeof (mBootPerformanceTableTemplate));
+ BootPerformanceData = BootPerformanceData + mAcpiBootPerformanceTable->Header.Length;
//
// Fill Boot records from boot drivers.
//
- CopyMem (PerformanceRuntimeData, mBootRecordBuffer, mBootRecordSize);
+ CopyMem (BootPerformanceData, mBootRecordBuffer, mBootRecordSize);
mAcpiBootPerformanceTable->Header.Length += mBootRecordSize;
- PerformanceRuntimeData = PerformanceRuntimeData + mBootRecordSize;
+ BootPerformanceData = BootPerformanceData + mBootRecordSize;
if (SmmCommData != NULL && SmmCommData->BootRecordData != NULL) {
//
// Fill Boot records from SMM drivers.
//
- CopyMem (PerformanceRuntimeData, SmmCommData->BootRecordData, SmmCommData->BootRecordSize);
+ CopyMem (BootPerformanceData, SmmCommData->BootRecordData, SmmCommData->BootRecordSize);
FreePool (SmmCommData->BootRecordData);
mAcpiBootPerformanceTable->Header.Length = (UINT32) (mAcpiBootPerformanceTable->Header.Length + SmmCommData->BootRecordSize);
- PerformanceRuntimeData = PerformanceRuntimeData + SmmCommData->BootRecordSize;
+ BootPerformanceData = BootPerformanceData + SmmCommData->BootRecordSize;
}
//
- // Reserve space for boot records after ReadyToBoot.
- //
- PerformanceRuntimeData = PerformanceRuntimeData + PcdGet32 (PcdExtFpdtBootRecordPadSize);
- DEBUG ((EFI_D_INFO, "FPDT: ACPI Boot Performance Table address = 0x%x\n", mAcpiBootPerformanceTable));
- //
// Save Boot Performance Table address to Variable for use in S4 resume.
//
PerformanceVariable.BootPerformanceTablePointer = (EFI_PHYSICAL_ADDRESS) (UINTN) mAcpiBootPerformanceTable;
@@ -414,12 +480,20 @@ InstallFirmwarePerformanceDataTable (
mFirmwarePerformanceTableTemplate.BootPointerRecord.BootPerformanceTablePointer = (UINT64) (UINTN) mAcpiBootPerformanceTable;
//
+ // Save S3 Performance Table address to Variable for use in S4 resume.
+ //
+ PerformanceVariable.S3PerformanceTablePointer = (EFI_PHYSICAL_ADDRESS) (UINTN) mAcpiS3PerformanceTable;
+ //
+ // Update S3 Performance Table Pointer in template.
+ //
+ mFirmwarePerformanceTableTemplate.S3PointerRecord.S3PerformanceTablePointer = (UINT64) (UINTN) mAcpiS3PerformanceTable;
+ //
// Save Runtime Performance Table pointers to Variable.
//
Status = gRT->SetVariable (
EFI_FIRMWARE_PERFORMANCE_VARIABLE_NAME,
&gEfiFirmwarePerformanceGuid,
- EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
+ EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,
sizeof (PerformanceVariable),
&PerformanceVariable
);
@@ -436,7 +510,10 @@ InstallFirmwarePerformanceDataTable (
&mFirmwarePerformanceTableTemplateKey
);
if (EFI_ERROR (Status)) {
- FreePool (PerformanceRuntimeDataHead);
+ FreePages (mAcpiBootPerformanceTable, EFI_SIZE_TO_PAGES (BootPerformanceDataSize));
+ if (mAcpiS3PerformanceTable != NULL) {
+ FreePages (mAcpiS3PerformanceTable, EFI_SIZE_TO_PAGES (sizeof (S3_PERFORMANCE_TABLE)));
+ }
mAcpiBootPerformanceTable = NULL;
mAcpiS3PerformanceTable = NULL;
return Status;
@@ -703,6 +780,7 @@ FirmwarePerformanceDxeEntryPoint (
EFI_STATUS Status;
EFI_HOB_GUID_TYPE *GuidHob;
FIRMWARE_SEC_PERFORMANCE *Performance;
+ VOID *Registration;
//
// Get Report Status Code Handler Protocol.
@@ -769,5 +847,31 @@ FirmwarePerformanceDxeEntryPoint (
DEBUG ((EFI_D_ERROR, "FPDT: WARNING: SEC Performance Data Hob not found, ResetEnd will be set to 0!\n"));
}
+ if (FeaturePcdGet (PcdFirmwarePerformanceDataTableS3Support)) {
+ //
+ // Register callback function upon VariableArchProtocol and LockBoxProtocol
+ // to allocate S3 performance table memory and save the pointer to LockBox.
+ //
+ EfiCreateProtocolNotifyEvent (
+ &gEfiVariableArchProtocolGuid,
+ TPL_CALLBACK,
+ FpdtAllocateS3PerformanceTableMemory,
+ NULL,
+ &Registration
+ );
+ EfiCreateProtocolNotifyEvent (
+ &gEfiLockBoxProtocolGuid,
+ TPL_CALLBACK,
+ FpdtAllocateS3PerformanceTableMemory,
+ NULL,
+ &Registration
+ );
+ } else {
+ //
+ // Exclude S3 Performance Table Pointer from FPDT table template.
+ //
+ mFirmwarePerformanceTableTemplate.Header.Length -= sizeof (EFI_ACPI_5_0_FPDT_S3_PERFORMANCE_TABLE_POINTER_RECORD);
+ }
+
return EFI_SUCCESS;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-20 09:29:42 +0000