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/** @file
Copyright (c) 2006, Intel Corporation
All rights reserved. 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.
**/
#ifndef _EFI_PCI_BUS_H_
#define _EFI_PCI_BUS_H_
#include <FrameworkDxe.h>
#include <Protocol/LoadedImage.h>
#include <Protocol/PciHostBridgeResourceAllocation.h>
#include <Protocol/PciIo.h>
#include <Protocol/LoadFile2.h>
#include <Protocol/PciRootBridgeIo.h>
#include <Protocol/PciHotPlugRequest.h>
#include <Protocol/DevicePath.h>
#include <Protocol/PciPlatform.h>
#include <Protocol/PciHotPlugInit.h>
#include <Protocol/Decompress.h>
#include <Guid/PciOptionRomTable.h>
#include <Protocol/BusSpecificDriverOverride.h>
#include <Protocol/UgaIo.h>
#include <Protocol/IncompatiblePciDeviceSupport.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/PciIncompatibleDeviceSupportLib.h>
#include <Library/PeCoffLib.h>
#include <IndustryStandard/Pci.h>
#include <IndustryStandard/PeImage.h>
#include <IndustryStandard/Acpi.h>
#include "ComponentName.h"
//
// Global Variables
//
extern EFI_INCOMPATIBLE_PCI_DEVICE_SUPPORT_PROTOCOL *gEfiIncompatiblePciDeviceSupport;
extern EFI_DRIVER_BINDING_PROTOCOL gPciBusDriverBinding;
extern EFI_COMPONENT_NAME_PROTOCOL gPciBusComponentName;
extern EFI_COMPONENT_NAME2_PROTOCOL gPciBusComponentName2;
//
// 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 PPB_BAR_0 0
#define PPB_BAR_1 1
#define PPB_IO_RANGE 2
#define PPB_MEM32_RANGE 3
#define PPB_PMEM32_RANGE 4
#define PPB_PMEM64_RANGE 5
#define PPB_MEM64_RANGE 0xFF
#define P2C_BAR_0 0
#define P2C_MEM_1 1
#define P2C_MEM_2 2
#define P2C_IO_1 3
#define P2C_IO_2 4
#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
#define PCI_MAX_HOST_BRIDGE_NUM 0x0010
//
// Define option for attribute
//
#define EFI_SET_SUPPORTS 0
#define EFI_SET_ATTRIBUTES 1
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;
EFI_LOAD_FILE2_PROTOCOL LoadFile2;
//
// 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;
//
// The OptionRom Size
//
UINT64 RomBase;
//
// TRUE if all OpROM (in device or in platform specific position) have been processed
//
BOOLEAN AllOpRomProcessed;
//
// 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;
EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *ResourcePaddingDescriptors;
EFI_HPC_PADDING_ATTRIBUTES PaddingAttributes;
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)
#define PCI_IO_DEVICE_FROM_LOAD_FILE2_THIS(a) \
CR (a, PCI_IO_DEVICE, LoadFile2, PCI_IO_DEVICE_SIGNATURE)
//
// Global Variables
//
extern LIST_ENTRY gPciDevicePool;
extern BOOLEAN gFullEnumeration;
extern UINTN gPciHostBridgeNumber;
extern EFI_HANDLE gPciHostBrigeHandles[PCI_MAX_HOST_BRIDGE_NUM];
extern UINT64 gAllOne;
extern UINT64 gAllZero;
extern EFI_PCI_PLATFORM_PROTOCOL *gPciPlatformProtocol;
#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"
#include "PciHotPlugSupport.h"
#include "PciLib.h"
//
// PCI Bus Support Function Prototypes
//
/**
Test to see if this driver supports ControllerHandle. Any ControllerHandle
than contains a gEfiPciRootBridgeIoProtocolGuid protocol can be supported.
@param This Protocol instance pointer.
@param ControllerHandle Handle of device to test.
@param RemainingDevicePath Optional parameter use to pick a specific child.
device to start.
@retval EFI_SUCCESS This driver supports this device.
@retval EFI_ALREADY_STARTED This driver is already running on this device.
@retval other This driver does not support this device.
**/
EFI_STATUS
EFIAPI
PciBusDriverBindingSupported (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
);
/**
Start this driver on ControllerHandle and enumerate Pci bus and start
all device under PCI bus.
@param This Protocol instance pointer.
@param ControllerHandle Handle of device to bind driver to.
@param RemainingDevicePath Optional parameter use to pick a specific child.
device to start.
@retval EFI_SUCCESS This driver is added to ControllerHandle.
@retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle.
@retval other This driver does not support this device.
**/
EFI_STATUS
EFIAPI
PciBusDriverBindingStart (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
);
/**
Stop this driver on ControllerHandle. Support stoping any child handles
created by this driver.
@param This Protocol instance pointer.
@param ControllerHandle Handle of device to stop driver on.
@param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of
children is zero stop the entire bus driver.
@param ChildHandleBuffer List of Child Handles to Stop.
@retval EFI_SUCCESS This driver is removed ControllerHandle.
@retval other This driver was not removed from this device.
**/
EFI_STATUS
EFIAPI
PciBusDriverBindingStop (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer
);
#define IS_PCI_GFX(_p) IS_CLASS2 (_p, PCI_CLASS_DISPLAY, PCI_CLASS_DISPLAY_OTHER)
#endif
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