Sync/gnu-efi/inc/pci22.h
Curle d588e232c4 Major overhaul of this branch.
This branch has been dedicated to purely the UEFI bootloader.
As such, all other code has been removed.

This code can be compiled with Visual Studio, gcc or llvm.
2019-07-17 21:10:29 +01:00

194 lines
4.5 KiB
C

#ifndef _PCI22_H
#define _PCI22_H
/*++
Copyright (c) 1999 Intel Corporation
Module Name:
pci22.h
Abstract:
Support for PCI 2.2 standard.
Revision History
--*/
#ifdef SOFT_SDV
#define PCI_MAX_BUS 1
#else
#define PCI_MAX_BUS 255
#endif
#define PCI_MAX_DEVICE 31
#define PCI_MAX_FUNC 7
//
// Command
//
#define PCI_VGA_PALETTE_SNOOP_DISABLED 0x20
#pragma pack(1)
typedef struct {
UINT16 VendorId;
UINT16 DeviceId;
UINT16 Command;
UINT16 Status;
UINT8 RevisionID;
UINT8 ClassCode[3];
UINT8 CacheLineSize;
UINT8 LaytencyTimer;
UINT8 HeaderType;
UINT8 BIST;
} PCI_DEVICE_INDEPENDENT_REGION;
typedef struct {
UINT32 Bar[6];
UINT32 CISPtr;
UINT16 SubsystemVendorID;
UINT16 SubsystemID;
UINT32 ExpansionRomBar;
UINT32 Reserved[2];
UINT8 InterruptLine;
UINT8 InterruptPin;
UINT8 MinGnt;
UINT8 MaxLat;
} PCI_DEVICE_HEADER_TYPE_REGION;
typedef struct {
PCI_DEVICE_INDEPENDENT_REGION Hdr;
PCI_DEVICE_HEADER_TYPE_REGION Device;
} PCI_TYPE00;
typedef struct {
UINT32 Bar[2];
UINT8 PrimaryBus;
UINT8 SecondaryBus;
UINT8 SubordinateBus;
UINT8 SecondaryLatencyTimer;
UINT8 IoBase;
UINT8 IoLimit;
UINT16 SecondaryStatus;
UINT16 MemoryBase;
UINT16 MemoryLimit;
UINT16 PrefetchableMemoryBase;
UINT16 PrefetchableMemoryLimit;
UINT32 PrefetchableBaseUpper32;
UINT32 PrefetchableLimitUpper32;
UINT16 IoBaseUpper16;
UINT16 IoLimitUpper16;
UINT32 Reserved;
UINT32 ExpansionRomBAR;
UINT8 InterruptLine;
UINT8 InterruptPin;
UINT16 BridgeControl;
} PCI_BRIDGE_CONTROL_REGISTER;
#define PCI_CLASS_DISPLAY_CTRL 0x03
#define PCI_CLASS_VGA 0x00
#define PCI_CLASS_BRIDGE 0x06
#define PCI_CLASS_ISA 0x01
#define PCI_CLASS_ISA_POSITIVE_DECODE 0x80
#define PCI_CLASS_NETWORK 0x02
#define PCI_CLASS_ETHERNET 0x00
#define HEADER_TYPE_DEVICE 0x00
#define HEADER_TYPE_PCI_TO_PCI_BRIDGE 0x01
#define HEADER_TYPE_MULTI_FUNCTION 0x80
#define HEADER_LAYOUT_CODE 0x7f
#define IS_PCI_BRIDGE(_p) ((((_p)->Hdr.HeaderType) & HEADER_LAYOUT_CODE) == HEADER_TYPE_PCI_TO_PCI_BRIDGE)
#define IS_PCI_MULTI_FUNC(_p) (((_p)->Hdr.HeaderType) & HEADER_TYPE_MULTI_FUNCTION)
typedef struct {
PCI_DEVICE_INDEPENDENT_REGION Hdr;
PCI_BRIDGE_CONTROL_REGISTER Bridge;
} PCI_TYPE01;
typedef struct {
UINT8 Register;
UINT8 Function;
UINT8 Device;
UINT8 Bus;
UINT8 Reserved[4];
} DEFIO_PCI_ADDR;
typedef struct {
UINT32 Reg : 8;
UINT32 Func : 3;
UINT32 Dev : 5;
UINT32 Bus : 8;
UINT32 Reserved: 7;
UINT32 Enable : 1;
} PCI_CONFIG_ACCESS_CF8;
#pragma pack()
#define EFI_ROOT_BRIDGE_LIST 'eprb'
typedef struct {
UINTN Signature;
UINT16 BridgeNumber;
UINT16 PrimaryBus;
UINT16 SubordinateBus;
EFI_DEVICE_PATH *DevicePath;
LIST_ENTRY Link;
} PCI_ROOT_BRIDGE_ENTRY;
#define PCI_EXPANSION_ROM_HEADER_SIGNATURE 0xaa55
#define EFI_PCI_EXPANSION_ROM_HEADER_EFISIGNATURE 0x0EF1
#define PCI_DATA_STRUCTURE_SIGNATURE EFI_SIGNATURE_32('P','C','I','R')
#pragma pack(1)
typedef struct {
UINT16 Signature; // 0xaa55
UINT8 Reserved[0x16];
UINT16 PcirOffset;
} PCI_EXPANSION_ROM_HEADER;
typedef struct {
UINT16 Signature; // 0xaa55
UINT16 InitializationSize;
UINT16 EfiSignature; // 0x0EF1
UINT16 EfiSubsystem;
UINT16 EfiMachineType;
UINT8 Reserved[0x0A];
UINT16 EfiImageHeaderOffset;
UINT16 PcirOffset;
} EFI_PCI_EXPANSION_ROM_HEADER;
typedef struct {
UINT32 Signature; // "PCIR"
UINT16 VendorId;
UINT16 DeviceId;
UINT16 Reserved0;
UINT16 Length;
UINT8 Revision;
UINT8 ClassCode[3];
UINT16 ImageLength;
UINT16 CodeRevision;
UINT8 CodeType;
UINT8 Indicator;
UINT16 Reserved1;
} PCI_DATA_STRUCTURE;
#pragma pack()
#endif