diff options
Diffstat (limited to 'IntelSiliconPkg/Feature/VTd/IntelVTdDxe/PciInfo.c')
| -rw-r--r-- | IntelSiliconPkg/Feature/VTd/IntelVTdDxe/PciInfo.c | 373 |
1 files changed, 0 insertions, 373 deletions
diff --git a/IntelSiliconPkg/Feature/VTd/IntelVTdDxe/PciInfo.c b/IntelSiliconPkg/Feature/VTd/IntelVTdDxe/PciInfo.c deleted file mode 100644 index 4af376b350..0000000000 --- a/IntelSiliconPkg/Feature/VTd/IntelVTdDxe/PciInfo.c +++ /dev/null @@ -1,373 +0,0 @@ -/** @file
-
- Copyright (c) 2017 - 2018, Intel Corporation. All rights reserved.<BR>
- SPDX-License-Identifier: BSD-2-Clause-Patent
-
-**/
-
-#include "DmaProtection.h"
-
-/**
- Return the index of PCI data.
-
- @param[in] VtdIndex The index used to identify a VTd engine.
- @param[in] Segment The Segment used to identify a VTd engine.
- @param[in] SourceId The SourceId used to identify a VTd engine and table entry.
-
- @return The index of the PCI data.
- @retval (UINTN)-1 The PCI data is not found.
-**/
-UINTN
-GetPciDataIndex (
- IN UINTN VtdIndex,
- IN UINT16 Segment,
- IN VTD_SOURCE_ID SourceId
- )
-{
- UINTN Index;
- VTD_SOURCE_ID *PciSourceId;
-
- if (Segment != mVtdUnitInformation[VtdIndex].Segment) {
- return (UINTN)-1;
- }
-
- for (Index = 0; Index < mVtdUnitInformation[VtdIndex].PciDeviceInfo.PciDeviceDataNumber; Index++) {
- PciSourceId = &mVtdUnitInformation[VtdIndex].PciDeviceInfo.PciDeviceData[Index].PciSourceId;
- if ((PciSourceId->Bits.Bus == SourceId.Bits.Bus) &&
- (PciSourceId->Bits.Device == SourceId.Bits.Device) &&
- (PciSourceId->Bits.Function == SourceId.Bits.Function) ) {
- return Index;
- }
- }
-
- return (UINTN)-1;
-}
-
-/**
- Register PCI device to VTd engine.
-
- @param[in] VtdIndex The index of VTd engine.
- @param[in] Segment The segment of the source.
- @param[in] SourceId The SourceId of the source.
- @param[in] DeviceType The DMAR device scope type.
- @param[in] CheckExist TRUE: ERROR will be returned if the PCI device is already registered.
- FALSE: SUCCESS will be returned if the PCI device is registered.
-
- @retval EFI_SUCCESS The PCI device is registered.
- @retval EFI_OUT_OF_RESOURCES No enough resource to register a new PCI device.
- @retval EFI_ALREADY_STARTED The device is already registered.
-**/
-EFI_STATUS
-RegisterPciDevice (
- IN UINTN VtdIndex,
- IN UINT16 Segment,
- IN VTD_SOURCE_ID SourceId,
- IN UINT8 DeviceType,
- IN BOOLEAN CheckExist
- )
-{
- PCI_DEVICE_INFORMATION *PciDeviceInfo;
- VTD_SOURCE_ID *PciSourceId;
- UINTN PciDataIndex;
- UINTN Index;
- PCI_DEVICE_DATA *NewPciDeviceData;
- EDKII_PLATFORM_VTD_PCI_DEVICE_ID *PciDeviceId;
-
- PciDeviceInfo = &mVtdUnitInformation[VtdIndex].PciDeviceInfo;
-
- if (PciDeviceInfo->IncludeAllFlag) {
- //
- // Do not register device in other VTD Unit
- //
- for (Index = 0; Index < VtdIndex; Index++) {
- PciDataIndex = GetPciDataIndex (Index, Segment, SourceId);
- if (PciDataIndex != (UINTN)-1) {
- DEBUG ((DEBUG_INFO, " RegisterPciDevice: PCI S%04x B%02x D%02x F%02x already registered by Other Vtd(%d)\n", Segment, SourceId.Bits.Bus, SourceId.Bits.Device, SourceId.Bits.Function, Index));
- return EFI_SUCCESS;
- }
- }
- }
-
- PciDataIndex = GetPciDataIndex (VtdIndex, Segment, SourceId);
- if (PciDataIndex == (UINTN)-1) {
- //
- // Register new
- //
-
- if (PciDeviceInfo->PciDeviceDataNumber >= PciDeviceInfo->PciDeviceDataMaxNumber) {
- //
- // Reallocate
- //
- NewPciDeviceData = AllocateZeroPool (sizeof(*NewPciDeviceData) * (PciDeviceInfo->PciDeviceDataMaxNumber + MAX_VTD_PCI_DATA_NUMBER));
- if (NewPciDeviceData == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
- PciDeviceInfo->PciDeviceDataMaxNumber += MAX_VTD_PCI_DATA_NUMBER;
- if (PciDeviceInfo->PciDeviceData != NULL) {
- CopyMem (NewPciDeviceData, PciDeviceInfo->PciDeviceData, sizeof(*NewPciDeviceData) * PciDeviceInfo->PciDeviceDataNumber);
- FreePool (PciDeviceInfo->PciDeviceData);
- }
- PciDeviceInfo->PciDeviceData = NewPciDeviceData;
- }
-
- ASSERT (PciDeviceInfo->PciDeviceDataNumber < PciDeviceInfo->PciDeviceDataMaxNumber);
-
- PciSourceId = &PciDeviceInfo->PciDeviceData[PciDeviceInfo->PciDeviceDataNumber].PciSourceId;
- PciSourceId->Bits.Bus = SourceId.Bits.Bus;
- PciSourceId->Bits.Device = SourceId.Bits.Device;
- PciSourceId->Bits.Function = SourceId.Bits.Function;
-
- DEBUG ((DEBUG_INFO, " RegisterPciDevice: PCI S%04x B%02x D%02x F%02x", Segment, SourceId.Bits.Bus, SourceId.Bits.Device, SourceId.Bits.Function));
-
- PciDeviceId = &PciDeviceInfo->PciDeviceData[PciDeviceInfo->PciDeviceDataNumber].PciDeviceId;
- if ((DeviceType == EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_PCI_ENDPOINT) ||
- (DeviceType == EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_PCI_BRIDGE)) {
- PciDeviceId->VendorId = PciSegmentRead16 (PCI_SEGMENT_LIB_ADDRESS(Segment, SourceId.Bits.Bus, SourceId.Bits.Device, SourceId.Bits.Function, PCI_VENDOR_ID_OFFSET));
- PciDeviceId->DeviceId = PciSegmentRead16 (PCI_SEGMENT_LIB_ADDRESS(Segment, SourceId.Bits.Bus, SourceId.Bits.Device, SourceId.Bits.Function, PCI_DEVICE_ID_OFFSET));
- PciDeviceId->RevisionId = PciSegmentRead8 (PCI_SEGMENT_LIB_ADDRESS(Segment, SourceId.Bits.Bus, SourceId.Bits.Device, SourceId.Bits.Function, PCI_REVISION_ID_OFFSET));
-
- DEBUG ((DEBUG_INFO, " (%04x:%04x:%02x", PciDeviceId->VendorId, PciDeviceId->DeviceId, PciDeviceId->RevisionId));
-
- if (DeviceType == EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_PCI_ENDPOINT) {
- PciDeviceId->SubsystemVendorId = PciSegmentRead16 (PCI_SEGMENT_LIB_ADDRESS(Segment, SourceId.Bits.Bus, SourceId.Bits.Device, SourceId.Bits.Function, PCI_SUBSYSTEM_VENDOR_ID_OFFSET));
- PciDeviceId->SubsystemDeviceId = PciSegmentRead16 (PCI_SEGMENT_LIB_ADDRESS(Segment, SourceId.Bits.Bus, SourceId.Bits.Device, SourceId.Bits.Function, PCI_SUBSYSTEM_ID_OFFSET));
- DEBUG ((DEBUG_INFO, ":%04x:%04x", PciDeviceId->SubsystemVendorId, PciDeviceId->SubsystemDeviceId));
- }
- DEBUG ((DEBUG_INFO, ")"));
- }
-
- PciDeviceInfo->PciDeviceData[PciDeviceInfo->PciDeviceDataNumber].DeviceType = DeviceType;
-
- if ((DeviceType != EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_PCI_ENDPOINT) &&
- (DeviceType != EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_PCI_BRIDGE)) {
- DEBUG ((DEBUG_INFO, " (*)"));
- }
- DEBUG ((DEBUG_INFO, "\n"));
-
- PciDeviceInfo->PciDeviceDataNumber++;
- } else {
- if (CheckExist) {
- DEBUG ((DEBUG_INFO, " RegisterPciDevice: PCI S%04x B%02x D%02x F%02x already registered\n", Segment, SourceId.Bits.Bus, SourceId.Bits.Device, SourceId.Bits.Function));
- return EFI_ALREADY_STARTED;
- }
- }
-
- return EFI_SUCCESS;
-}
-
-/**
- The scan bus callback function to register PCI device.
-
- @param[in] Context The context of the callback.
- @param[in] Segment The segment of the source.
- @param[in] Bus The bus of the source.
- @param[in] Device The device of the source.
- @param[in] Function The function of the source.
-
- @retval EFI_SUCCESS The PCI device is registered.
-**/
-EFI_STATUS
-EFIAPI
-ScanBusCallbackRegisterPciDevice (
- IN VOID *Context,
- IN UINT16 Segment,
- IN UINT8 Bus,
- IN UINT8 Device,
- IN UINT8 Function
- )
-{
- VTD_SOURCE_ID SourceId;
- UINTN VtdIndex;
- UINT8 BaseClass;
- UINT8 SubClass;
- UINT8 DeviceType;
- EFI_STATUS Status;
-
- VtdIndex = (UINTN)Context;
- SourceId.Bits.Bus = Bus;
- SourceId.Bits.Device = Device;
- SourceId.Bits.Function = Function;
-
- DeviceType = EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_PCI_ENDPOINT;
- BaseClass = PciSegmentRead8 (PCI_SEGMENT_LIB_ADDRESS(Segment, Bus, Device, Function, PCI_CLASSCODE_OFFSET + 2));
- if (BaseClass == PCI_CLASS_BRIDGE) {
- SubClass = PciSegmentRead8 (PCI_SEGMENT_LIB_ADDRESS(Segment, Bus, Device, Function, PCI_CLASSCODE_OFFSET + 1));
- if (SubClass == PCI_CLASS_BRIDGE_P2P) {
- DeviceType = EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_PCI_BRIDGE;
- }
- }
-
- Status = RegisterPciDevice (VtdIndex, Segment, SourceId, DeviceType, FALSE);
- return Status;
-}
-
-/**
- Scan PCI bus and invoke callback function for each PCI devices under the bus.
-
- @param[in] Context The context of the callback function.
- @param[in] Segment The segment of the source.
- @param[in] Bus The bus of the source.
- @param[in] Callback The callback function in PCI scan.
-
- @retval EFI_SUCCESS The PCI devices under the bus are scaned.
-**/
-EFI_STATUS
-ScanPciBus (
- IN VOID *Context,
- IN UINT16 Segment,
- IN UINT8 Bus,
- IN SCAN_BUS_FUNC_CALLBACK_FUNC Callback
- )
-{
- UINT8 Device;
- UINT8 Function;
- UINT8 SecondaryBusNumber;
- UINT8 HeaderType;
- UINT8 BaseClass;
- UINT8 SubClass;
- UINT16 VendorID;
- UINT16 DeviceID;
- EFI_STATUS Status;
-
- // Scan the PCI bus for devices
- for (Device = 0; Device <= PCI_MAX_DEVICE; Device++) {
- for (Function = 0; Function <= PCI_MAX_FUNC; Function++) {
- VendorID = PciSegmentRead16 (PCI_SEGMENT_LIB_ADDRESS(Segment, Bus, Device, Function, PCI_VENDOR_ID_OFFSET));
- DeviceID = PciSegmentRead16 (PCI_SEGMENT_LIB_ADDRESS(Segment, Bus, Device, Function, PCI_DEVICE_ID_OFFSET));
- if (VendorID == 0xFFFF && DeviceID == 0xFFFF) {
- if (Function == 0) {
- //
- // If function 0 is not implemented, do not scan other functions.
- //
- break;
- }
- continue;
- }
-
- Status = Callback (Context, Segment, Bus, Device, Function);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- BaseClass = PciSegmentRead8 (PCI_SEGMENT_LIB_ADDRESS(Segment, Bus, Device, Function, PCI_CLASSCODE_OFFSET + 2));
- if (BaseClass == PCI_CLASS_BRIDGE) {
- SubClass = PciSegmentRead8 (PCI_SEGMENT_LIB_ADDRESS(Segment, Bus, Device, Function, PCI_CLASSCODE_OFFSET + 1));
- if (SubClass == PCI_CLASS_BRIDGE_P2P) {
- SecondaryBusNumber = PciSegmentRead8 (PCI_SEGMENT_LIB_ADDRESS(Segment, Bus, Device, Function, PCI_BRIDGE_SECONDARY_BUS_REGISTER_OFFSET));
- DEBUG ((DEBUG_INFO," ScanPciBus: PCI bridge S%04x B%02x D%02x F%02x (SecondBus:%02x)\n", Segment, Bus, Device, Function, SecondaryBusNumber));
- if (SecondaryBusNumber != 0) {
- Status = ScanPciBus (Context, Segment, SecondaryBusNumber, Callback);
- if (EFI_ERROR (Status)) {
- return Status;
- }
- }
- }
- }
-
- if (Function == 0) {
- HeaderType = PciSegmentRead8 (PCI_SEGMENT_LIB_ADDRESS(Segment, Bus, Device, 0, PCI_HEADER_TYPE_OFFSET));
- if ((HeaderType & HEADER_TYPE_MULTI_FUNCTION) == 0x00) {
- //
- // It is not a multi-function device, do not scan other functions.
- //
- break;
- }
- }
- }
- }
-
- return EFI_SUCCESS;
-}
-
-/**
- Dump the PCI device information managed by this VTd engine.
-
- @param[in] VtdIndex The index of VTd engine.
-**/
-VOID
-DumpPciDeviceInfo (
- IN UINTN VtdIndex
- )
-{
- UINTN Index;
-
- DEBUG ((DEBUG_INFO,"PCI Device Information (Number 0x%x, IncludeAll - %d):\n",
- mVtdUnitInformation[VtdIndex].PciDeviceInfo.PciDeviceDataNumber,
- mVtdUnitInformation[VtdIndex].PciDeviceInfo.IncludeAllFlag
- ));
- for (Index = 0; Index < mVtdUnitInformation[VtdIndex].PciDeviceInfo.PciDeviceDataNumber; Index++) {
- DEBUG ((DEBUG_INFO," S%04x B%02x D%02x F%02x\n",
- mVtdUnitInformation[VtdIndex].Segment,
- mVtdUnitInformation[VtdIndex].PciDeviceInfo.PciDeviceData[Index].PciSourceId.Bits.Bus,
- mVtdUnitInformation[VtdIndex].PciDeviceInfo.PciDeviceData[Index].PciSourceId.Bits.Device,
- mVtdUnitInformation[VtdIndex].PciDeviceInfo.PciDeviceData[Index].PciSourceId.Bits.Function
- ));
- }
-}
-
-/**
- Find the VTd index by the Segment and SourceId.
-
- @param[in] Segment The segment of the source.
- @param[in] SourceId The SourceId of the source.
- @param[out] ExtContextEntry The ExtContextEntry of the source.
- @param[out] ContextEntry The ContextEntry of the source.
-
- @return The index of the VTd engine.
- @retval (UINTN)-1 The VTd engine is not found.
-**/
-UINTN
-FindVtdIndexByPciDevice (
- IN UINT16 Segment,
- IN VTD_SOURCE_ID SourceId,
- OUT VTD_EXT_CONTEXT_ENTRY **ExtContextEntry,
- OUT VTD_CONTEXT_ENTRY **ContextEntry
- )
-{
- UINTN VtdIndex;
- VTD_ROOT_ENTRY *RootEntry;
- VTD_CONTEXT_ENTRY *ContextEntryTable;
- VTD_CONTEXT_ENTRY *ThisContextEntry;
- VTD_EXT_ROOT_ENTRY *ExtRootEntry;
- VTD_EXT_CONTEXT_ENTRY *ExtContextEntryTable;
- VTD_EXT_CONTEXT_ENTRY *ThisExtContextEntry;
- UINTN PciDataIndex;
-
- for (VtdIndex = 0; VtdIndex < mVtdUnitNumber; VtdIndex++) {
- if (Segment != mVtdUnitInformation[VtdIndex].Segment) {
- continue;
- }
-
- PciDataIndex = GetPciDataIndex (VtdIndex, Segment, SourceId);
- if (PciDataIndex == (UINTN)-1) {
- continue;
- }
-
-// DEBUG ((DEBUG_INFO,"FindVtdIndex(0x%x) for S%04x B%02x D%02x F%02x\n", VtdIndex, Segment, SourceId.Bits.Bus, SourceId.Bits.Device, SourceId.Bits.Function));
-
- if (mVtdUnitInformation[VtdIndex].ExtRootEntryTable != 0) {
- ExtRootEntry = &mVtdUnitInformation[VtdIndex].ExtRootEntryTable[SourceId.Index.RootIndex];
- ExtContextEntryTable = (VTD_EXT_CONTEXT_ENTRY *)(UINTN)VTD_64BITS_ADDRESS(ExtRootEntry->Bits.LowerContextTablePointerLo, ExtRootEntry->Bits.LowerContextTablePointerHi) ;
- ThisExtContextEntry = &ExtContextEntryTable[SourceId.Index.ContextIndex];
- if (ThisExtContextEntry->Bits.AddressWidth == 0) {
- continue;
- }
- *ExtContextEntry = ThisExtContextEntry;
- *ContextEntry = NULL;
- } else {
- RootEntry = &mVtdUnitInformation[VtdIndex].RootEntryTable[SourceId.Index.RootIndex];
- ContextEntryTable = (VTD_CONTEXT_ENTRY *)(UINTN)VTD_64BITS_ADDRESS(RootEntry->Bits.ContextTablePointerLo, RootEntry->Bits.ContextTablePointerHi) ;
- ThisContextEntry = &ContextEntryTable[SourceId.Index.ContextIndex];
- if (ThisContextEntry->Bits.AddressWidth == 0) {
- continue;
- }
- *ExtContextEntry = NULL;
- *ContextEntry = ThisContextEntry;
- }
-
- return VtdIndex;
- }
-
- return (UINTN)-1;
-}
-
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