| /*++ |
| |
| Copyright (c) 2005 - 2007, Intel Corporation. All rights reserved.<BR> |
| This program and the accompanying materials |
| are licensed and made available under the terms and conditions of the BSD License |
| which accompanies this distribution. The full text of the license may be found at |
| http://opensource.org/licenses/bsd-license.php |
| |
| THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, |
| WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. |
| |
| Module Name: |
| |
| PciBus.h |
| |
| Abstract: |
| |
| PCI Bus Driver |
| |
| Revision History |
| |
| --*/ |
| |
| #ifndef _EFI_PCI_BUS_H |
| #define _EFI_PCI_BUS_H |
| |
| #include <PiDxe.h> |
| |
| #include <Protocol/PciIo.h> |
| #include <Protocol/PciRootBridgeIo.h> |
| #include <Protocol/DevicePath.h> |
| #include <Protocol/Decompress.h> |
| #include <Protocol/UgaIo.h> |
| #include <Protocol/LoadedImage.h> |
| #include <Protocol/BusSpecificDriverOverride.h> |
| |
| #include <Guid/PciOptionRomTable.h> |
| |
| #include <IndustryStandard/Pci.h> |
| #include <IndustryStandard/Acpi.h> |
| #include <IndustryStandard/PeImage.h> |
| |
| #include <Library/DebugLib.h> |
| #include <Library/UefiDriverEntryPoint.h> |
| #include <Library/BaseLib.h> |
| #include <Library/UefiLib.h> |
| #include <Library/BaseMemoryLib.h> |
| #include <Library/ReportStatusCodeLib.h> |
| #include <Library/MemoryAllocationLib.h> |
| #include <Library/UefiBootServicesTableLib.h> |
| #include <Library/DevicePathLib.h> |
| #include <Library/PcdLib.h> |
| #include <Library/PeCoffLib.h> |
| |
| // |
| // Driver Produced Protocol Prototypes |
| // |
| |
| #define VGABASE1 0x3B0 |
| #define VGALIMIT1 0x3BB |
| |
| #define VGABASE2 0x3C0 |
| #define VGALIMIT2 0x3DF |
| |
| #define ISABASE 0x100 |
| #define ISALIMIT 0x3FF |
| |
| typedef enum { |
| PciBarTypeUnknown = 0, |
| PciBarTypeIo16, |
| PciBarTypeIo32, |
| PciBarTypeMem32, |
| PciBarTypePMem32, |
| PciBarTypeMem64, |
| PciBarTypePMem64, |
| PciBarTypeIo, |
| PciBarTypeMem, |
| PciBarTypeMaxType |
| } PCI_BAR_TYPE; |
| |
| typedef struct { |
| UINT64 BaseAddress; |
| UINT64 Length; |
| UINT64 Alignment; |
| PCI_BAR_TYPE BarType; |
| BOOLEAN Prefetchable; |
| UINT8 MemType; |
| UINT8 Offset; |
| } PCI_BAR; |
| |
| #define PCI_IO_DEVICE_SIGNATURE SIGNATURE_32 ('p','c','i','o') |
| |
| #define EFI_BRIDGE_IO32_DECODE_SUPPORTED 0x0001 |
| #define EFI_BRIDGE_PMEM32_DECODE_SUPPORTED 0x0002 |
| #define EFI_BRIDGE_PMEM64_DECODE_SUPPORTED 0x0004 |
| #define EFI_BRIDGE_IO16_DECODE_SUPPORTED 0x0008 |
| #define EFI_BRIDGE_PMEM_MEM_COMBINE_SUPPORTED 0x0010 |
| #define EFI_BRIDGE_MEM64_DECODE_SUPPORTED 0x0020 |
| #define EFI_BRIDGE_MEM32_DECODE_SUPPORTED 0x0040 |
| |
| |
| typedef struct _PCI_IO_DEVICE { |
| UINT32 Signature; |
| EFI_HANDLE Handle; |
| EFI_PCI_IO_PROTOCOL PciIo; |
| LIST_ENTRY Link; |
| |
| EFI_BUS_SPECIFIC_DRIVER_OVERRIDE_PROTOCOL PciDriverOverride; |
| EFI_DEVICE_PATH_PROTOCOL *DevicePath; |
| EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *PciRootBridgeIo; |
| |
| // |
| // PCI configuration space header type |
| // |
| PCI_TYPE00 Pci; |
| |
| // |
| // Bus number, Device number, Function number |
| // |
| UINT8 BusNumber; |
| UINT8 DeviceNumber; |
| UINT8 FunctionNumber; |
| |
| // |
| // BAR for this PCI Device |
| // |
| PCI_BAR PciBar[PCI_MAX_BAR]; |
| |
| // |
| // The bridge device this pci device is subject to |
| // |
| struct _PCI_IO_DEVICE *Parent; |
| |
| // |
| // A linked list for children Pci Device if it is bridge device |
| // |
| LIST_ENTRY ChildList; |
| |
| // |
| // TURE if the PCI bus driver creates the handle for this PCI device |
| // |
| BOOLEAN Registered; |
| |
| // |
| // TRUE if the PCI bus driver successfully allocates the resource required by |
| // this PCI device |
| // |
| BOOLEAN Allocated; |
| |
| // |
| // The attribute this PCI device currently set |
| // |
| UINT64 Attributes; |
| |
| // |
| // The attributes this PCI device actually supports |
| // |
| UINT64 Supports; |
| |
| // |
| // The resource decode the bridge supports |
| // |
| UINT32 Decodes; |
| |
| // |
| // The OptionRom Size |
| // |
| UINT64 RomSize; |
| |
| // |
| // TRUE if there is any EFI driver in the OptionRom |
| // |
| BOOLEAN BusOverride; |
| |
| // |
| // A list tracking reserved resource on a bridge device |
| // |
| LIST_ENTRY ReservedResourceList; |
| |
| // |
| // A list tracking image handle of platform specific overriding driver |
| // |
| LIST_ENTRY OptionRomDriverList; |
| |
| BOOLEAN IsPciExp; |
| |
| } PCI_IO_DEVICE; |
| |
| |
| #define PCI_IO_DEVICE_FROM_PCI_IO_THIS(a) \ |
| CR (a, PCI_IO_DEVICE, PciIo, PCI_IO_DEVICE_SIGNATURE) |
| |
| #define PCI_IO_DEVICE_FROM_PCI_DRIVER_OVERRIDE_THIS(a) \ |
| CR (a, PCI_IO_DEVICE, PciDriverOverride, PCI_IO_DEVICE_SIGNATURE) |
| |
| #define PCI_IO_DEVICE_FROM_LINK(a) \ |
| CR (a, PCI_IO_DEVICE, Link, PCI_IO_DEVICE_SIGNATURE) |
| |
| // |
| // Global Variables |
| // |
| extern EFI_COMPONENT_NAME_PROTOCOL gPciBusComponentName; |
| extern EFI_COMPONENT_NAME2_PROTOCOL gPciBusComponentName2; |
| extern EFI_DRIVER_BINDING_PROTOCOL gPciBusDriverBinding; |
| |
| extern BOOLEAN gFullEnumeration; |
| extern UINT64 gAllOne; |
| extern UINT64 gAllZero; |
| |
| #include "PciIo.h" |
| #include "PciCommand.h" |
| #include "PciDeviceSupport.h" |
| #include "PciEnumerator.h" |
| #include "PciEnumeratorSupport.h" |
| #include "PciDriverOverride.h" |
| #include "PciRomTable.h" |
| #include "PciOptionRomSupport.h" |
| #include "PciPowerManagement.h" |
| |
| |
| #define IS_ISA_BRIDGE(_p) IS_CLASS2 (_p, PCI_CLASS_BRIDGE, PCI_CLASS_BRIDGE_ISA) |
| #define IS_INTEL_ISA_BRIDGE(_p) (IS_CLASS2 (_p, PCI_CLASS_BRIDGE, PCI_CLASS_BRIDGE_ISA_PDECODE) && ((_p)->Hdr.VendorId == 0x8086) && ((_p)->Hdr.DeviceId == 0x7110)) |
| #define IS_PCI_GFX(_p) IS_CLASS2 (_p, PCI_CLASS_DISPLAY, PCI_CLASS_DISPLAY_OTHER) |
| |
| #endif |