/**
Publish and remove the iSCSI Boot Firmware Table according to the iSCSI
session status.
**/
VOID
IScsiPublishIbft (
VOID
)
{
EFI_STATUS Status;
EFI_ACPI_TABLE_PROTOCOL *AcpiTableProtocol;
EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_HEADER *Table;
UINTN HandleCount;
EFI_HANDLE *HandleBuffer;
UINT8 *Heap;
UINT8 Checksum;
UINTN Index;
EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER *Rsdp;
EFI_ACPI_DESCRIPTION_HEADER *Rsdt;
Status = gBS->LocateProtocol (&gEfiAcpiTableProtocolGuid, NULL, (VOID **)&AcpiTableProtocol);
if (EFI_ERROR (Status)) {
return ;
}
//
// Find ACPI table RSD_PTR from system table
//
for (Index = 0, Rsdp = NULL; Index < gST->NumberOfTableEntries; Index++) {
if (CompareGuid (&(gST->ConfigurationTable[Index].VendorGuid), &gEfiAcpi20TableGuid) ||
CompareGuid (&(gST->ConfigurationTable[Index].VendorGuid), &gEfiAcpi10TableGuid) ||
CompareGuid (&(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;
}
if (mIbftInstalled) {
Status = AcpiTableProtocol->UninstallAcpiTable (
AcpiTableProtocol,
mTableKey
);
if (EFI_ERROR (Status)) {
return ;
}
mIbftInstalled = FALSE;
}
//
// Get all iSCSI private protocols.
//
Status = gBS->LocateHandleBuffer (
ByProtocol,
&gEfiCallerIdGuid,
NULL,
&HandleCount,
&HandleBuffer
);
if (EFI_ERROR (Status)) {
return ;
}
//
// Allocate 4k bytes to hold the ACPI table.
//
Table = AllocateZeroPool (IBFT_MAX_SIZE);
if (Table == NULL) {
return ;
}
Heap = (UINT8 *) 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);
Checksum = CalculateCheckSum8((UINT8 *)Table, Table->Length);
Table->Checksum = Checksum;
FreePool (HandleBuffer);
//
// Install or update the iBFT table.
//
Status = AcpiTableProtocol->InstallAcpiTable (
AcpiTableProtocol,
Table,
Table->Length,
&mTableKey
);
if (EFI_ERROR(Status)) {
return;
}
mIbftInstalled = TRUE;
FreePool (Table);
}
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);
}
/**
Publish and remove the iSCSI Boot Firmware Table according to the iSCSI
session status.
**/
VOID
IScsiPublishIbft (
VOID
)
{
EFI_STATUS Status;
EFI_ACPI_TABLE_PROTOCOL *AcpiTableProtocol;
EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_HEADER *Table;
UINTN HandleCount;
EFI_HANDLE *HandleBuffer;
UINT8 *Heap;
UINT8 Checksum;
EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER *Rsdp;
EFI_ACPI_DESCRIPTION_HEADER *Rsdt;
EFI_ACPI_DESCRIPTION_HEADER *Xsdt;
Rsdt = NULL;
Xsdt = NULL;
Status = gBS->LocateProtocol (&gEfiAcpiTableProtocolGuid, NULL, (VOID **)&AcpiTableProtocol);
if (EFI_ERROR (Status)) {
return ;
}
//
// Find ACPI table RSD_PTR from system table
//
Status = EfiGetSystemConfigurationTable (&gEfiAcpiTableGuid, (VOID **) &Rsdp);
if (EFI_ERROR (Status)) {
Status = EfiGetSystemConfigurationTable (&gEfiAcpi10TableGuid, (VOID **) &Rsdp);
}
if (EFI_ERROR (Status) || (Rsdp == NULL)) {
return ;
} else if (Rsdp->Revision >= EFI_ACPI_2_0_ROOT_SYSTEM_DESCRIPTION_POINTER_REVISION && Rsdp->XsdtAddress != 0) {
Xsdt = (EFI_ACPI_DESCRIPTION_HEADER *) (UINTN) Rsdp->XsdtAddress;
} else if (Rsdp->RsdtAddress != 0) {
Rsdt = (EFI_ACPI_DESCRIPTION_HEADER *) (UINTN) Rsdp->RsdtAddress;
}
if ((Xsdt == NULL) && (Rsdt == NULL)) {
return ;
}
if (mIbftInstalled) {
Status = AcpiTableProtocol->UninstallAcpiTable (
AcpiTableProtocol,
mTableKey
);
if (EFI_ERROR (Status)) {
return ;
}
mIbftInstalled = FALSE;
}
//
// Get all iSCSI private protocols.
//
Status = gBS->LocateHandleBuffer (
ByProtocol,
&gEfiCallerIdGuid,
NULL,
&HandleCount,
&HandleBuffer
);
if (EFI_ERROR (Status)) {
return ;
}
//
// Allocate 4k bytes to hold the ACPI table.
//
Table = AllocateZeroPool (IBFT_MAX_SIZE);
if (Table == NULL) {
return ;
}
Heap = (UINT8 *) Table + IBFT_HEAP_OFFSET;
//
// Fill in the various section of the iSCSI Boot Firmware Table.
//
if (Rsdp->Revision >= EFI_ACPI_2_0_ROOT_SYSTEM_DESCRIPTION_POINTER_REVISION) {
IScsiInitIbfTableHeader (Table, Xsdt->OemId, &Xsdt->OemTableId);
} else {
IScsiInitIbfTableHeader (Table, Rsdt->OemId, &Rsdt->OemTableId);
}
IScsiInitControlSection (Table, HandleCount);
IScsiFillInitiatorSection (Table, &Heap, HandleBuffer[0]);
IScsiFillNICAndTargetSections (Table, &Heap, HandleCount, HandleBuffer);
Checksum = CalculateCheckSum8((UINT8 *)Table, Table->Length);
Table->Checksum = Checksum;
FreePool (HandleBuffer);
//
// Install or update the iBFT table.
//
Status = AcpiTableProtocol->InstallAcpiTable (
AcpiTableProtocol,
Table,
Table->Length,
&mTableKey
);
if (EFI_ERROR(Status)) {
return;
}
mIbftInstalled = TRUE;
FreePool (Table);
}