diff options
Diffstat (limited to 'roms/edk2/MdeModulePkg/Bus/Pci/PciBusDxe/PciLib.h')
| -rw-r--r-- | roms/edk2/MdeModulePkg/Bus/Pci/PciBusDxe/PciLib.h | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/roms/edk2/MdeModulePkg/Bus/Pci/PciBusDxe/PciLib.h b/roms/edk2/MdeModulePkg/Bus/Pci/PciBusDxe/PciLib.h new file mode 100644 index 000000000..10b435d14 --- /dev/null +++ b/roms/edk2/MdeModulePkg/Bus/Pci/PciBusDxe/PciLib.h @@ -0,0 +1,159 @@ +/** @file
+ Internal library declaration for PCI Bus module.
+
+Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef _EFI_PCI_LIB_H_
+#define _EFI_PCI_LIB_H_
+
+
+typedef struct {
+ EFI_HANDLE Handle;
+} EFI_DEVICE_HANDLE_EXTENDED_DATA_PAYLOAD;
+
+typedef struct {
+ UINT32 Bar;
+ UINT16 DevicePathSize;
+ UINT16 ReqResSize;
+ UINT16 AllocResSize;
+ UINT8 *DevicePath;
+ UINT8 *ReqRes;
+ UINT8 *AllocRes;
+} EFI_RESOURCE_ALLOC_FAILURE_ERROR_DATA_PAYLOAD;
+
+
+/**
+ Retrieve the PCI Card device BAR information via PciIo interface.
+
+ @param PciIoDevice PCI Card device instance.
+
+**/
+VOID
+GetBackPcCardBar (
+ IN PCI_IO_DEVICE *PciIoDevice
+ );
+
+/**
+ Remove rejected pci device from specific root bridge
+ handle.
+
+ @param RootBridgeHandle Specific parent root bridge handle.
+ @param Bridge Bridge device instance.
+
+**/
+VOID
+RemoveRejectedPciDevices (
+ IN EFI_HANDLE RootBridgeHandle,
+ IN PCI_IO_DEVICE *Bridge
+ );
+
+/**
+ Submits the I/O and memory resource requirements for the specified PCI Host Bridge.
+
+ @param PciResAlloc Point to protocol instance of EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL.
+
+ @retval EFI_SUCCESS Successfully finished resource allocation.
+ @retval EFI_NOT_FOUND Cannot get root bridge instance.
+ @retval EFI_OUT_OF_RESOURCES Platform failed to program the resources if no hot plug supported.
+ @retval other Some error occurred when allocating resources for the PCI Host Bridge.
+
+ @note Feature flag PcdPciBusHotplugDeviceSupport determine whether need support hotplug.
+
+**/
+EFI_STATUS
+PciHostBridgeResourceAllocator (
+ IN EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL *PciResAlloc
+ );
+
+/**
+ Allocate NumberOfBuses buses and return the next available PCI bus number.
+
+ @param Bridge Bridge device instance.
+ @param StartBusNumber Current available PCI bus number.
+ @param NumberOfBuses Number of buses enumerated below the StartBusNumber.
+ @param NextBusNumber Next available PCI bus number.
+
+ @retval EFI_SUCCESS Available bus number resource is enough. Next available PCI bus number
+ is returned in NextBusNumber.
+ @retval EFI_OUT_OF_RESOURCES Available bus number resource is not enough for allocation.
+
+**/
+EFI_STATUS
+PciAllocateBusNumber (
+ IN PCI_IO_DEVICE *Bridge,
+ IN UINT8 StartBusNumber,
+ IN UINT8 NumberOfBuses,
+ OUT UINT8 *NextBusNumber
+ );
+
+/**
+ Scan pci bus and assign bus number to the given PCI bus system.
+
+ @param Bridge Bridge device instance.
+ @param StartBusNumber start point.
+ @param SubBusNumber Point to sub bus number.
+ @param PaddedBusRange Customized bus number.
+
+ @retval EFI_SUCCESS Successfully scanned and assigned bus number.
+ @retval other Some error occurred when scanning pci bus.
+
+ @note Feature flag PcdPciBusHotplugDeviceSupport determine whether need support hotplug.
+
+**/
+EFI_STATUS
+PciScanBus (
+ IN PCI_IO_DEVICE *Bridge,
+ IN UINT8 StartBusNumber,
+ OUT UINT8 *SubBusNumber,
+ OUT UINT8 *PaddedBusRange
+ );
+
+/**
+ Process Option Rom on the specified root bridge.
+
+ @param Bridge Pci root bridge device instance.
+
+ @retval EFI_SUCCESS Success process.
+ @retval other Some error occurred when processing Option Rom on the root bridge.
+
+**/
+EFI_STATUS
+PciRootBridgeP2CProcess (
+ IN PCI_IO_DEVICE *Bridge
+ );
+
+/**
+ Process Option Rom on the specified host bridge.
+
+ @param PciResAlloc Pointer to instance of EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL.
+
+ @retval EFI_SUCCESS Success process.
+ @retval EFI_NOT_FOUND Can not find the root bridge instance.
+ @retval other Some error occurred when processing Option Rom on the host bridge.
+
+**/
+EFI_STATUS
+PciHostBridgeP2CProcess (
+ IN EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL *PciResAlloc
+ );
+
+/**
+ This function is used to enumerate the entire host bridge
+ in a given platform.
+
+ @param PciResAlloc A pointer to the PCI Host Resource Allocation protocol.
+
+ @retval EFI_SUCCESS Successfully enumerated the host bridge.
+ @retval EFI_OUT_OF_RESOURCES No enough memory available.
+ @retval other Some error occurred when enumerating the host bridge.
+
+**/
+EFI_STATUS
+PciHostBridgeEnumerator (
+ IN EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL *PciResAlloc
+ );
+
+#endif
|