VOID
IScsiPublishIbft (
IN VOID
)
/*++
Routine Description:
Publish and remove the iSCSI Boot Firmware Table according to the iSCSI
session status.
Arguments:
None.
Returns:
None.
--*/
{
EFI_STATUS Status;
UINTN TableHandle;
EFI_ACPI_SUPPORT_PROTOCOL *AcpiSupport;
EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_HEADER *Table;
EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER *Rsdp;
EFI_ACPI_DESCRIPTION_HEADER *Rsdt;
UINTN HandleCount;
EFI_HANDLE *HandleBuffer;
UINT8 *Heap;
UINTN Index;
INTN TableIndex;
EFI_ACPI_TABLE_VERSION Version;
UINT32 Signature;
Status = gBS->LocateProtocol (&gEfiAcpiSupportGuid, NULL, &AcpiSupport);
if (EFI_ERROR (Status)) {
return ;
}
//
// Find ACPI table RSD_PTR from system table
//
for (Index = 0, Rsdp = NULL; Index < gST->NumberOfTableEntries; Index++) {
if (EfiCompareGuid (&(gST->ConfigurationTable[Index].VendorGuid), &gEfiAcpi30TableGuid) ||
EfiCompareGuid (&(gST->ConfigurationTable[Index].VendorGuid), &gEfiAcpi20TableGuid) ||
EfiCompareGuid (&(gST->ConfigurationTable[Index].VendorGuid), &gEfiAcpiTableGuid)
) {
//
// A match was found.
//
Rsdp = (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER *) gST->ConfigurationTable[Index].VendorTable;
break;
}
}
if (Rsdp == NULL) {
return ;
} else {
Rsdt = (EFI_ACPI_DESCRIPTION_HEADER *) (UINTN) Rsdp->RsdtAddress;
}
//
// Try to remove the old iSCSI Boot Firmware Table.
//
for (TableIndex = 0;; TableIndex++) {
Status = AcpiSupport->GetAcpiTable (
AcpiSupport,
TableIndex,
&Table,
&Version,
&TableHandle
);
if (EFI_ERROR (Status)) {
break;
}
Signature = Table->Signature;
NetFreePool (Table);
if (Signature == EFI_ACPI_3_0_ISCSI_BOOT_FIRMWARE_TABLE_SIGNATURE) {
//
// Remove the table.
//
Status = AcpiSupport->SetAcpiTable (
AcpiSupport,
NULL,
FALSE,
Version,
&TableHandle
);
if (EFI_ERROR (Status)) {
return ;
}
break;
}
}
//
// Get all iSCSI private protocols.
//
Status = gBS->LocateHandleBuffer (
ByProtocol,
&mIScsiPrivateGuid,
NULL,
&HandleCount,
&HandleBuffer
);
if (EFI_ERROR (Status)) {
return ;
}
//
// Allocate 4k bytes to hold the ACPI table.
//
Table = NetAllocatePool (IBFT_MAX_SIZE);
if (Table == NULL) {
return ;
}
Heap = (CHAR8 *) Table + IBFT_HEAP_OFFSET;
//
// Fill in the various section of the iSCSI Boot Firmware Table.
//
IScsiInitIbfTableHeader (Table, Rsdt->OemId, &Rsdt->OemTableId);
IScsiInitControlSection (Table, HandleCount);
IScsiFillInitiatorSection (Table, &Heap, HandleBuffer[0]);
IScsiFillNICAndTargetSections (Table, &Heap, HandleCount, HandleBuffer);
NetFreePool (HandleBuffer);
TableHandle = 0;
//
// Install or update the iBFT table.
//
Status = AcpiSupport->SetAcpiTable (
AcpiSupport,
Table,
TRUE,
EFI_ACPI_TABLE_VERSION_3_0,
&TableHandle
);
if (!EFI_ERROR (Status)) {
AcpiSupport->PublishTables (AcpiSupport, EFI_ACPI_TABLE_VERSION_3_0);
}
NetFreePool (Table);
}
VOID
EFIAPI
FchAcpiInstall2Notify (
IN EFI_EVENT Event,
IN VOID *Context
)
{
UINT8 *Temp;
UINT8 *AmdAcpiDataTree;
UINTN Index;
UINTN TableHandle;
EFI_STATUS Status;
EFI_HANDLE Handle;
EFI_ACPI_DESCRIPTION_HEADER *Table;
EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE *Fadt;
EFI_ACPI_TABLE_VERSION Version;
EFI_ACPI_SUPPORT_PROTOCOL *AcpiSupport;
FCH_ACPI_PROTOCOL *FchAcpiProtocol;
EFI_PCI_IO_PROTOCOL *PciIo;
Status = EFI_SUCCESS;
AmdAcpiDataTree = NULL;
Status = gBS->LocateProtocol (
&gEfiPciIoProtocolGuid,
NULL,
&PciIo
);
if (EFI_ERROR (Status)) {
return;
}
Status = gBS->LocateProtocol (
&gFchAcpiProtocolGuid,
NULL,
&FchAcpiProtocol
);
if (!EFI_ERROR (Status)) {
return;
}
Status = gBS->LocateProtocol (
&gEfiAcpiSupportGuid,
NULL,
&AcpiSupport
);
if (EFI_ERROR (Status)) {
return;
}
Index = 0;
TableHandle = 0;
do {
Table = NULL;
Status = AcpiSupport->GetAcpiTable (
AcpiSupport,
Index,
&Table,
&Version,
&TableHandle
);
if (EFI_ERROR (Status)) {
break;
}
//
// Check Signture and update DSDT table
//
if (Table->Signature == EFI_ACPI_3_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE) {
Status = AmdBuildAcpiDsdtTree ((EFI_ACPI_DESCRIPTION_HEADER *)Table, &AmdAcpiDataTree);
if (EFI_ERROR (Status)) {
return;
}
Status = gBS->AllocatePool (
EfiBootServicesData,
0x01,
&Temp
);
ASSERT_EFI_ERROR (Status);
*Temp = FCH_ACPI_FIELD_INFO_END;
Status = gBS->AllocatePool (
EfiBootServicesData,
sizeof (FCH_ACPI_PROTOCOL),
&FchAcpiProtocol
);
ASSERT_EFI_ERROR (Status);
FchAcpiProtocol->Revision = FCH_ACPI_PROTOCOL_REV;
FchAcpiProtocol->FchAcpiGetIntDevPathName = AmdFchGetIntDevPath;
FchAcpiProtocol->FchAcpiAddDataField = AmdFchDataDxeAddItem;
FchAcpiProtocol->FchAcpiEnableGpio = AmdFchAcpiEnableGpio;
FchAcpiProtocol->FchAcpiEnableAsf = AmdFchAcpiEnableAsf;
FchAcpiProtocol->FchAcpiTool.FindNextSig = FchFindNextSig;
FchAcpiProtocol->FchAcpiTool.UpdateAcpiName = UpdateAcpiName;
FchAcpiProtocol->FchAcpiTool.GetPkgLength = FchAcpiPkgLength;
FchAcpiProtocol->FchAcpiData.DataLength = sizeof (AMD_FCH_COMMON_DATA);
FchAcpiProtocol->FchAcpiData.AcpiInfoLength = 0x01;
FchAcpiProtocol->FchAcpiData.FchData = mFchCommonData;
FchAcpiProtocol->FchAcpiData.AcpiFieldNames = Temp;
Handle = NULL;
Status = gBS->InstallProtocolInterface (
&Handle,
&gFchAcpiProtocolGuid,
EFI_NATIVE_INTERFACE,
FchAcpiProtocol
);
if (EFI_ERROR (Status)) {
return;
}
}
//
// Check Signture and update FADT table
//
if (Table->Signature == EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE) {
Fadt = (EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE *)Table;
mFchCommonData->SciInterrupt = Fadt->SciInt;
}
gBS->FreePool (Table);
Index++;
} while (TRUE);
}
EFI_STATUS
AmdFchWheaInitEntryEinj (
VOID
)
{
EFI_ACPI_SUPPORT_PROTOCOL *AcpiSupport;
EFI_STATUS Status;
INTN Index;
UINTN Handle;
EFI_ACPI_TABLE_VERSION Version;
EFI_ACPI_DESCRIPTION_HEADER *Table;
EFI_ACPI_DESCRIPTION_HEADER *NewTable;
Status = gBS->LocateProtocol (
&gEfiAcpiSupportGuid,
NULL,
&AcpiSupport
);
if (EFI_ERROR (Status)) {
return Status;
}
//
// Search EINJ table
//
Index = 0;
Handle = 0;
do {
Table = NULL;
Status = AcpiSupport->GetAcpiTable (
AcpiSupport,
Index,
&Table,
&Version,
&Handle
);
if (EFI_ERROR (Status)) {
break;
}
//
// Check Signture and update EINJ table
//
if (Table->Signature == 0x4A4E4945) {
//
// allocate memory for new Table
//
Status = gBS->AllocatePool (
EfiReservedMemoryType,
MAX_EINJ_SIZE,
&NewTable
);
if (Status != EFI_SUCCESS) {
return Status;
}
EfiZeroMem (NewTable, MAX_EINJ_SIZE);
//
// Copy Table
//
EfiCopyMem (NewTable, Table, Table->Length);
//
// Update new table
//
AmdFchUpdateEinj (NewTable);
if (!EFI_ERROR (Status)) {
// Patch EINJ table here and save table back.
//
// Remove previous table
//
gBS->FreePool (Table);
Table = NULL;
Status = AcpiSupport->SetAcpiTable (
AcpiSupport,
Table,
TRUE,
Version,
&Handle
);
//
// Add new table
//
Handle = 0;
Status = AcpiSupport->SetAcpiTable (
AcpiSupport,
NewTable,
TRUE,
Version,
&Handle
);
gBS->FreePool (NewTable);
return Status;
}
gBS->FreePool (NewTable);
}
gBS->FreePool (Table);
Index++;
} while (TRUE);
return Status;
}
VOID
EFIAPI
FchD3ColdAcpiInstallNotify (
IN EFI_EVENT Event,
IN VOID *Context
)
{
UINTN Index;
INTN Instance;
UINTN Size;
UINTN NumberOfHandles;
UINTN TableHandle;
UINTN TableSize;
UINT32 FvStatus;
BOOLEAN HwReducedAcpi;
EFI_STATUS Status;
EFI_HANDLE *HandleBuffer;
EFI_FV_FILETYPE FileType;
EFI_FV_FILE_ATTRIBUTES Attributes;
EFI_ACPI_COMMON_HEADER *CurrentTable;
EFI_ACPI_DESCRIPTION_HEADER *FchD3ColdAcpiBlockPtr = NULL;
EFI_ACPI_TABLE_PROTOCOL *AcpiTableProtocol;
FCH_ACPI_PROTOCOL *FchAcpiProtocol;
FCH_INIT_PROTOCOL *FchInitProtocol;
EFI_FIRMWARE_VOLUME_PROTOCOL *FwVol = NULL;
EFI_ACPI_SUPPORT_PROTOCOL *AcpiSupport = NULL;
EFI_ACPI_DESCRIPTION_HEADER *Table;
EFI_ACPI_TABLE_VERSION Version;
EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE *Fadt;
Status = gBS->LocateProtocol (
&gEfiAcpiTableProtocolGuid,
NULL,
&AcpiTableProtocol
);
if (EFI_ERROR (Status)) {
return;
}
Status = gBS->LocateProtocol (
&gFchAcpiProtocolGuid,
NULL,
&FchAcpiProtocol
);
if (EFI_ERROR (Status)) {
return;
}
Status = gBS->LocateProtocol (
&gFchInitProtocolGuid,
NULL,
&FchInitProtocol
);
if (EFI_ERROR (Status)) {
return;
}
HwReducedAcpi = FchInitProtocol->FchPolicy.Misc.FchCsSupport.FchCsHwReduced;
FvStatus = 0;
//
// Locate protocol.
//
Status = gBS->LocateHandleBuffer (
ByProtocol,
&gEfiFirmwareVolumeProtocolGuid,
NULL,
&NumberOfHandles,
&HandleBuffer
);
if (EFI_ERROR (Status)) {
return;
}
//
// Looking for FV with FCH ACPI Data Block file
//
for (Index = 0; Index < NumberOfHandles; Index++) {
//
// Get the protocol on this handle
// This should not fail because of LocateHandleBuffer
//
Status = gBS->HandleProtocol (
HandleBuffer[Index],
&gEfiFirmwareVolumeProtocolGuid,
(VOID**) &FwVol
);
ASSERT_EFI_ERROR (Status);
//
// See if it has the ACPI storage file
//
Size = 0;
FvStatus = 0;
Status = FwVol->ReadFile (
FwVol,
&gAmdFchD3ColdAcpiGuid,
NULL,
&Size,
&FileType,
&Attributes,
&FvStatus
);
//
// If we found it, then we are done
//
if (Status == EFI_SUCCESS) {
break;
}
}
//
// Read tables from the storage file.
//
Instance = 0;
CurrentTable = NULL;
while (Status == EFI_SUCCESS) {
Status = FwVol->ReadSection (
FwVol,
&gAmdFchD3ColdAcpiGuid,
EFI_SECTION_RAW,
Instance,
&CurrentTable,
&Size,
&FvStatus
);
if (!EFI_ERROR (Status)) {
//
// Check the table ID to modify the table
//
if (((EFI_ACPI_DESCRIPTION_HEADER*) CurrentTable)->OemTableId == EFI_SIGNATURE_64 ('F', 'C', 'H', 'C', 'S', 'D', '3', 0)) {
FchD3ColdAcpiBlockPtr = (EFI_ACPI_DESCRIPTION_HEADER*) CurrentTable;
Status = FchD3ColdUpdateAcpiTable (FchAcpiProtocol, &FchD3ColdAcpiBlockPtr);
TableHandle = 0;
TableSize = FchD3ColdAcpiBlockPtr->Length;
//
// Install ACPI table
//
Status = AcpiTableProtocol->InstallAcpiTable (
AcpiTableProtocol,
FchD3ColdAcpiBlockPtr,
TableSize,
&TableHandle
);
//
// Free memory allocated by ReadSection
//
gBS->FreePool (CurrentTable);
if (EFI_ERROR (Status)) {
return;
}
}
//
// Increment the instance
//
Instance++;
CurrentTable = NULL;
}
}
//
// Our exit status is determined by the success of the previous operations
// If the protocol was found, Instance already points to it.
//
//
// Free any allocated buffers
//
gBS->FreePool (HandleBuffer);
//set FACP
Status = gBS->LocateProtocol (
&gEfiAcpiSupportGuid,
NULL,
&AcpiSupport
);
if (EFI_ERROR (Status)) {
return;
}
// modify FADT to add HW_REDUCED_ACPI and LOW_POWER_S0_IDLE_CAPABLE flag
//
// Search FADT table
//
Index = 0;
TableHandle = 0;
do {
Table = NULL;
Status = AcpiSupport->GetAcpiTable (
AcpiSupport,
Index,
&Table,
&Version,
&TableHandle
);
if (EFI_ERROR (Status)) {
break;
}
//
// Check Signture and update FADT table
//
if ((Table->Signature == EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE) && (Table->Revision == 0x05 )) {
Fadt = (EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE *)Table;
Fadt->Flags |= LOW_POWER_S0_IDLE_CAPABLE;
if (HwReducedAcpi) {
Fadt->Flags |= HW_REDUCED_ACPI;
}
Status = AcpiSupport->SetAcpiTable (
AcpiSupport,
Table,
TRUE,
(EFI_ACPI_TABLE_VERSION_1_0B | EFI_ACPI_TABLE_VERSION_2_0 | EFI_ACPI_TABLE_VERSION_3_0 | EFI_ACPI_TABLE_VERSION_4_0 | EFI_ACPI_TABLE_VERSION_5_0),
&TableHandle
);
}
gBS->FreePool (Table);
Index++;
} while (TRUE);
}
