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audk/MdePkg/Include/IndustryStandard/Pci22.h

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/** @file
Support for PCI 2.2 standard.
This file includes the definitions in the following specifications,
PCI Local Bus Specification, 2.2
PCI-to-PCI Bridge Architecture Specification, Revision 1.2
PC Card Standard, 8.0
PCI Power Management Interface Specifiction, Revision 1.2
Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2014 - 2015, Hewlett-Packard Development Company, L.P.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef _PCI22_H_
#define _PCI22_H_
#define PCI_MAX_BUS 255
#define PCI_MAX_DEVICE 31
#define PCI_MAX_FUNC 7
#pragma pack(1)
///
/// Common header region in PCI Configuration Space
/// Section 6.1, PCI Local Bus Specification, 2.2
///
typedef struct {
UINT16 VendorId;
UINT16 DeviceId;
UINT16 Command;
UINT16 Status;
UINT8 RevisionID;
UINT8 ClassCode[3];
UINT8 CacheLineSize;
UINT8 LatencyTimer;
UINT8 HeaderType;
UINT8 BIST;
} PCI_DEVICE_INDEPENDENT_REGION;
///
/// PCI Device header region in PCI Configuration Space
/// Section 6.1, PCI Local Bus Specification, 2.2
///
typedef struct {
UINT32 Bar[6];
UINT32 CISPtr;
UINT16 SubsystemVendorID;
UINT16 SubsystemID;
UINT32 ExpansionRomBar;
UINT8 CapabilityPtr;
UINT8 Reserved1[3];
UINT32 Reserved2;
UINT8 InterruptLine;
UINT8 InterruptPin;
UINT8 MinGnt;
UINT8 MaxLat;
} PCI_DEVICE_HEADER_TYPE_REGION;
///
/// PCI Device Configuration Space
/// Section 6.1, PCI Local Bus Specification, 2.2
///
typedef struct {
PCI_DEVICE_INDEPENDENT_REGION Hdr;
PCI_DEVICE_HEADER_TYPE_REGION Device;
} PCI_TYPE00;
///
/// PCI-PCI Bridge header region in PCI Configuration Space
/// Section 3.2, PCI-PCI Bridge Architecture, Version 1.2
///
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;
UINT8 CapabilityPtr;
UINT8 Reserved[3];
UINT32 ExpansionRomBAR;
UINT8 InterruptLine;
UINT8 InterruptPin;
UINT16 BridgeControl;
} PCI_BRIDGE_CONTROL_REGISTER;
///
/// PCI-to-PCI Bridge Configuration Space
/// Section 3.2, PCI-PCI Bridge Architecture, Version 1.2
///
typedef struct {
PCI_DEVICE_INDEPENDENT_REGION Hdr;
PCI_BRIDGE_CONTROL_REGISTER Bridge;
} PCI_TYPE01;
typedef union {
PCI_TYPE00 Device;
PCI_TYPE01 Bridge;
} PCI_TYPE_GENERIC;
///
/// CardBus Conroller Configuration Space,
/// Section 4.5.1, PC Card Standard. 8.0
///
typedef struct {
UINT32 CardBusSocketReg; ///< Cardus Socket/ExCA Base
UINT8 Cap_Ptr;
UINT8 Reserved;
UINT16 SecondaryStatus; ///< Secondary Status
UINT8 PciBusNumber; ///< PCI Bus Number
UINT8 CardBusBusNumber; ///< CardBus Bus Number
UINT8 SubordinateBusNumber; ///< Subordinate Bus Number
UINT8 CardBusLatencyTimer; ///< CardBus Latency Timer
UINT32 MemoryBase0; ///< Memory Base Register 0
UINT32 MemoryLimit0; ///< Memory Limit Register 0
UINT32 MemoryBase1;
UINT32 MemoryLimit1;
UINT32 IoBase0;
UINT32 IoLimit0; ///< I/O Base Register 0
UINT32 IoBase1; ///< I/O Limit Register 0
UINT32 IoLimit1;
UINT8 InterruptLine; ///< Interrupt Line
UINT8 InterruptPin; ///< Interrupt Pin
UINT16 BridgeControl; ///< Bridge Control
} PCI_CARDBUS_CONTROL_REGISTER;
//
// Definitions of PCI class bytes and manipulation macros.
//
#define PCI_CLASS_OLD 0x00
#define PCI_CLASS_OLD_OTHER 0x00
#define PCI_CLASS_OLD_VGA 0x01
#define PCI_CLASS_MASS_STORAGE 0x01
#define PCI_CLASS_MASS_STORAGE_SCSI 0x00
#define PCI_CLASS_MASS_STORAGE_IDE 0x01
#define PCI_CLASS_MASS_STORAGE_FLOPPY 0x02
#define PCI_CLASS_MASS_STORAGE_IPI 0x03
#define PCI_CLASS_MASS_STORAGE_RAID 0x04
#define PCI_CLASS_MASS_STORAGE_OTHER 0x80
#define PCI_CLASS_NETWORK 0x02
#define PCI_CLASS_NETWORK_ETHERNET 0x00
#define PCI_CLASS_NETWORK_TOKENRING 0x01
#define PCI_CLASS_NETWORK_FDDI 0x02
#define PCI_CLASS_NETWORK_ATM 0x03
#define PCI_CLASS_NETWORK_ISDN 0x04
#define PCI_CLASS_NETWORK_OTHER 0x80
#define PCI_CLASS_DISPLAY 0x03
#define PCI_CLASS_DISPLAY_VGA 0x00
#define PCI_IF_VGA_VGA 0x00
#define PCI_IF_VGA_8514 0x01
#define PCI_CLASS_DISPLAY_XGA 0x01
#define PCI_CLASS_DISPLAY_3D 0x02
#define PCI_CLASS_DISPLAY_OTHER 0x80
#define PCI_CLASS_MEDIA 0x04
#define PCI_CLASS_MEDIA_VIDEO 0x00
#define PCI_CLASS_MEDIA_AUDIO 0x01
#define PCI_CLASS_MEDIA_TELEPHONE 0x02
#define PCI_CLASS_MEDIA_OTHER 0x80
#define PCI_CLASS_MEMORY_CONTROLLER 0x05
#define PCI_CLASS_MEMORY_RAM 0x00
#define PCI_CLASS_MEMORY_FLASH 0x01
#define PCI_CLASS_MEMORY_OTHER 0x80
#define PCI_CLASS_BRIDGE 0x06
#define PCI_CLASS_BRIDGE_HOST 0x00
#define PCI_CLASS_BRIDGE_ISA 0x01
#define PCI_CLASS_BRIDGE_EISA 0x02
#define PCI_CLASS_BRIDGE_MCA 0x03
#define PCI_CLASS_BRIDGE_P2P 0x04
#define PCI_IF_BRIDGE_P2P 0x00
#define PCI_IF_BRIDGE_P2P_SUBTRACTIVE 0x01
#define PCI_CLASS_BRIDGE_PCMCIA 0x05
#define PCI_CLASS_BRIDGE_NUBUS 0x06
#define PCI_CLASS_BRIDGE_CARDBUS 0x07
#define PCI_CLASS_BRIDGE_RACEWAY 0x08
#define PCI_CLASS_BRIDGE_OTHER 0x80
#define PCI_CLASS_BRIDGE_ISA_PDECODE 0x80
#define PCI_CLASS_SCC 0x07 ///< Simple communications controllers
#define PCI_SUBCLASS_SERIAL 0x00
#define PCI_IF_GENERIC_XT 0x00
#define PCI_IF_16450 0x01
#define PCI_IF_16550 0x02
#define PCI_IF_16650 0x03
#define PCI_IF_16750 0x04
#define PCI_IF_16850 0x05
#define PCI_IF_16950 0x06
#define PCI_SUBCLASS_PARALLEL 0x01
#define PCI_IF_PARALLEL_PORT 0x00
#define PCI_IF_BI_DIR_PARALLEL_PORT 0x01
#define PCI_IF_ECP_PARALLEL_PORT 0x02
#define PCI_IF_1284_CONTROLLER 0x03
#define PCI_IF_1284_DEVICE 0xFE
#define PCI_SUBCLASS_MULTIPORT_SERIAL 0x02
#define PCI_SUBCLASS_MODEM 0x03
#define PCI_IF_GENERIC_MODEM 0x00
#define PCI_IF_16450_MODEM 0x01
#define PCI_IF_16550_MODEM 0x02
#define PCI_IF_16650_MODEM 0x03
#define PCI_IF_16750_MODEM 0x04
#define PCI_SUBCLASS_SCC_OTHER 0x80
#define PCI_CLASS_SYSTEM_PERIPHERAL 0x08
#define PCI_SUBCLASS_PIC 0x00
#define PCI_IF_8259_PIC 0x00
#define PCI_IF_ISA_PIC 0x01
#define PCI_IF_EISA_PIC 0x02
#define PCI_IF_APIC_CONTROLLER 0x10 ///< I/O APIC interrupt controller , 32 bye none-prefectable memory.
#define PCI_IF_APIC_CONTROLLER2 0x20
#define PCI_SUBCLASS_DMA 0x01
#define PCI_IF_8237_DMA 0x00
#define PCI_IF_ISA_DMA 0x01
#define PCI_IF_EISA_DMA 0x02
#define PCI_SUBCLASS_TIMER 0x02
#define PCI_IF_8254_TIMER 0x00
#define PCI_IF_ISA_TIMER 0x01
#define PCI_IF_EISA_TIMER 0x02
#define PCI_SUBCLASS_RTC 0x03
#define PCI_IF_GENERIC_RTC 0x00
#define PCI_IF_ISA_RTC 0x01
#define PCI_SUBCLASS_PNP_CONTROLLER 0x04 ///< HotPlug Controller
#define PCI_SUBCLASS_PERIPHERAL_OTHER 0x80
#define PCI_CLASS_INPUT_DEVICE 0x09
#define PCI_SUBCLASS_KEYBOARD 0x00
#define PCI_SUBCLASS_PEN 0x01
#define PCI_SUBCLASS_MOUSE_CONTROLLER 0x02
#define PCI_SUBCLASS_SCAN_CONTROLLER 0x03
#define PCI_SUBCLASS_GAMEPORT 0x04
#define PCI_IF_GAMEPORT 0x00
#define PCI_IF_GAMEPORT1 0x10
#define PCI_SUBCLASS_INPUT_OTHER 0x80
#define PCI_CLASS_DOCKING_STATION 0x0A
#define PCI_SUBCLASS_DOCKING_GENERIC 0x00
#define PCI_SUBCLASS_DOCKING_OTHER 0x80
#define PCI_CLASS_PROCESSOR 0x0B
#define PCI_SUBCLASS_PROC_386 0x00
#define PCI_SUBCLASS_PROC_486 0x01
#define PCI_SUBCLASS_PROC_PENTIUM 0x02
#define PCI_SUBCLASS_PROC_ALPHA 0x10
#define PCI_SUBCLASS_PROC_POWERPC 0x20
#define PCI_SUBCLASS_PROC_MIPS 0x30
#define PCI_SUBCLASS_PROC_CO_PORC 0x40 ///< Co-Processor
#define PCI_CLASS_SERIAL 0x0C
#define PCI_CLASS_SERIAL_FIREWIRE 0x00
#define PCI_IF_1394 0x00
#define PCI_IF_1394_OPEN_HCI 0x10
#define PCI_CLASS_SERIAL_ACCESS_BUS 0x01
#define PCI_CLASS_SERIAL_SSA 0x02
#define PCI_CLASS_SERIAL_USB 0x03
#define PCI_IF_UHCI 0x00
#define PCI_IF_OHCI 0x10
#define PCI_IF_USB_OTHER 0x80
#define PCI_IF_USB_DEVICE 0xFE
#define PCI_CLASS_SERIAL_FIBRECHANNEL 0x04
#define PCI_CLASS_SERIAL_SMB 0x05
#define PCI_CLASS_WIRELESS 0x0D
#define PCI_SUBCLASS_IRDA 0x00
#define PCI_SUBCLASS_IR 0x01
#define PCI_SUBCLASS_RF 0x10
#define PCI_SUBCLASS_WIRELESS_OTHER 0x80
#define PCI_CLASS_INTELLIGENT_IO 0x0E
#define PCI_CLASS_SATELLITE 0x0F
#define PCI_SUBCLASS_TV 0x01
#define PCI_SUBCLASS_AUDIO 0x02
#define PCI_SUBCLASS_VOICE 0x03
#define PCI_SUBCLASS_DATA 0x04
#define PCI_SECURITY_CONTROLLER 0x10 ///< Encryption and decryption controller
#define PCI_SUBCLASS_NET_COMPUT 0x00
#define PCI_SUBCLASS_ENTERTAINMENT 0x10
#define PCI_SUBCLASS_SECURITY_OTHER 0x80
#define PCI_CLASS_DPIO 0x11
#define PCI_SUBCLASS_DPIO 0x00
#define PCI_SUBCLASS_DPIO_OTHER 0x80
/**
Macro that checks whether the Base Class code of device matched.
@param _p Specified device.
@param c Base Class code needs matching.
@retval TRUE Base Class code matches the specified device.
@retval FALSE Base Class code doesn't match the specified device.
**/
#define IS_CLASS1(_p, c) ((_p)->Hdr.ClassCode[2] == (c))
/**
Macro that checks whether the Base Class code and Sub-Class code of device matched.
@param _p Specified device.
@param c Base Class code needs matching.
@param s Sub-Class code needs matching.
@retval TRUE Base Class code and Sub-Class code match the specified device.
@retval FALSE Base Class code and Sub-Class code don't match the specified device.
**/
#define IS_CLASS2(_p, c, s) (IS_CLASS1 (_p, c) && ((_p)->Hdr.ClassCode[1] == (s)))
/**
Macro that checks whether the Base Class code, Sub-Class code and Interface code of device matched.
@param _p Specified device.
@param c Base Class code needs matching.
@param s Sub-Class code needs matching.
@param p Interface code needs matching.
@retval TRUE Base Class code, Sub-Class code and Interface code match the specified device.
@retval FALSE Base Class code, Sub-Class code and Interface code don't match the specified device.
**/
#define IS_CLASS3(_p, c, s, p) (IS_CLASS2 (_p, c, s) && ((_p)->Hdr.ClassCode[0] == (p)))
/**
Macro that checks whether device is a display controller.
@param _p Specified device.
@retval TRUE Device is a display controller.
@retval FALSE Device is not a display controller.
**/
#define IS_PCI_DISPLAY(_p) IS_CLASS1 (_p, PCI_CLASS_DISPLAY)
/**
Macro that checks whether device is a VGA-compatible controller.
@param _p Specified device.
@retval TRUE Device is a VGA-compatible controller.
@retval FALSE Device is not a VGA-compatible controller.
**/
#define IS_PCI_VGA(_p) IS_CLASS3 (_p, PCI_CLASS_DISPLAY, PCI_CLASS_DISPLAY_VGA, PCI_IF_VGA_VGA)
/**
Macro that checks whether device is an 8514-compatible controller.
@param _p Specified device.
@retval TRUE Device is an 8514-compatible controller.
@retval FALSE Device is not an 8514-compatible controller.
**/
#define IS_PCI_8514(_p) IS_CLASS3 (_p, PCI_CLASS_DISPLAY, PCI_CLASS_DISPLAY_VGA, PCI_IF_VGA_8514)
/**
Macro that checks whether device is built before the Class Code field was defined.
@param _p Specified device.
@retval TRUE Device is an old device.
@retval FALSE Device is not an old device.
**/
#define IS_PCI_OLD(_p) IS_CLASS1 (_p, PCI_CLASS_OLD)
/**
Macro that checks whether device is a VGA-compatible device built before the Class Code field was defined.
@param _p Specified device.
@retval TRUE Device is an old VGA-compatible device.
@retval FALSE Device is not an old VGA-compatible device.
**/
#define IS_PCI_OLD_VGA(_p) IS_CLASS2 (_p, PCI_CLASS_OLD, PCI_CLASS_OLD_VGA)
/**
Macro that checks whether device is an IDE controller.
@param _p Specified device.
@retval TRUE Device is an IDE controller.
@retval FALSE Device is not an IDE controller.
**/
#define IS_PCI_IDE(_p) IS_CLASS2 (_p, PCI_CLASS_MASS_STORAGE, PCI_CLASS_MASS_STORAGE_IDE)
/**
Macro that checks whether device is a SCSI bus controller.
@param _p Specified device.
@retval TRUE Device is a SCSI bus controller.
@retval FALSE Device is not a SCSI bus controller.
**/
#define IS_PCI_SCSI(_p) IS_CLASS2 (_p, PCI_CLASS_MASS_STORAGE, PCI_CLASS_MASS_STORAGE_SCSI)
/**
Macro that checks whether device is a RAID controller.
@param _p Specified device.
@retval TRUE Device is a RAID controller.
@retval FALSE Device is not a RAID controller.
**/
#define IS_PCI_RAID(_p) IS_CLASS2 (_p, PCI_CLASS_MASS_STORAGE, PCI_CLASS_MASS_STORAGE_RAID)
/**
Macro that checks whether device is an ISA bridge.
@param _p Specified device.
@retval TRUE Device is an ISA bridge.
@retval FALSE Device is not an ISA bridge.
**/
#define IS_PCI_LPC(_p) IS_CLASS2 (_p, PCI_CLASS_BRIDGE, PCI_CLASS_BRIDGE_ISA)
/**
Macro that checks whether device is a PCI-to-PCI bridge.
@param _p Specified device.
@retval TRUE Device is a PCI-to-PCI bridge.
@retval FALSE Device is not a PCI-to-PCI bridge.
**/
#define IS_PCI_P2P(_p) IS_CLASS3 (_p, PCI_CLASS_BRIDGE, PCI_CLASS_BRIDGE_P2P, PCI_IF_BRIDGE_P2P)
/**
Macro that checks whether device is a Subtractive Decode PCI-to-PCI bridge.
@param _p Specified device.
@retval TRUE Device is a Subtractive Decode PCI-to-PCI bridge.
@retval FALSE Device is not a Subtractive Decode PCI-to-PCI bridge.
**/
#define IS_PCI_P2P_SUB(_p) IS_CLASS3 (_p, PCI_CLASS_BRIDGE, PCI_CLASS_BRIDGE_P2P, PCI_IF_BRIDGE_P2P_SUBTRACTIVE)
/**
Macro that checks whether device is a 16550-compatible serial controller.
@param _p Specified device.
@retval TRUE Device is a 16550-compatible serial controller.
@retval FALSE Device is not a 16550-compatible serial controller.
**/
#define IS_PCI_16550_SERIAL(_p) IS_CLASS3 (_p, PCI_CLASS_SCC, PCI_SUBCLASS_SERIAL, PCI_IF_16550)
/**
Macro that checks whether device is a Universal Serial Bus controller.
@param _p Specified device.
@retval TRUE Device is a Universal Serial Bus controller.
@retval FALSE Device is not a Universal Serial Bus controller.
**/
#define IS_PCI_USB(_p) IS_CLASS2 (_p, PCI_CLASS_SERIAL, PCI_CLASS_SERIAL_USB)
//
// the definition of Header Type
//
#define HEADER_TYPE_DEVICE 0x00
#define HEADER_TYPE_PCI_TO_PCI_BRIDGE 0x01
#define HEADER_TYPE_CARDBUS_BRIDGE 0x02
#define HEADER_TYPE_MULTI_FUNCTION 0x80
//
// Mask of Header type
//
#define HEADER_LAYOUT_CODE 0x7f
/**
Macro that checks whether device is a PCI-PCI bridge.
@param _p Specified device.
@retval TRUE Device is a PCI-PCI bridge.
@retval FALSE Device is not a PCI-PCI bridge.
**/
#define IS_PCI_BRIDGE(_p) (((_p)->Hdr.HeaderType & HEADER_LAYOUT_CODE) == (HEADER_TYPE_PCI_TO_PCI_BRIDGE))
/**
Macro that checks whether device is a CardBus bridge.
@param _p Specified device.
@retval TRUE Device is a CardBus bridge.
@retval FALSE Device is not a CardBus bridge.
**/
#define IS_CARDBUS_BRIDGE(_p) (((_p)->Hdr.HeaderType & HEADER_LAYOUT_CODE) == (HEADER_TYPE_CARDBUS_BRIDGE))
/**
Macro that checks whether device is a multiple functions device.
@param _p Specified device.
@retval TRUE Device is a multiple functions device.
@retval FALSE Device is not a multiple functions device.
**/
#define IS_PCI_MULTI_FUNC(_p) ((_p)->Hdr.HeaderType & HEADER_TYPE_MULTI_FUNCTION)
///
/// Rom Base Address in Bridge, defined in PCI-to-PCI Bridge Architecure Specification,
///
#define PCI_BRIDGE_ROMBAR 0x38
#define PCI_MAX_BAR 0x0006
#define PCI_MAX_CONFIG_OFFSET 0x0100
#define PCI_VENDOR_ID_OFFSET 0x00
#define PCI_DEVICE_ID_OFFSET 0x02
#define PCI_COMMAND_OFFSET 0x04
#define PCI_PRIMARY_STATUS_OFFSET 0x06
#define PCI_REVISION_ID_OFFSET 0x08
#define PCI_CLASSCODE_OFFSET 0x09
#define PCI_CACHELINE_SIZE_OFFSET 0x0C
#define PCI_LATENCY_TIMER_OFFSET 0x0D
#define PCI_HEADER_TYPE_OFFSET 0x0E
#define PCI_BIST_OFFSET 0x0F
#define PCI_BASE_ADDRESSREG_OFFSET 0x10
#define PCI_CARDBUS_CIS_OFFSET 0x28
#define PCI_SVID_OFFSET 0x2C ///< SubSystem Vendor id
#define PCI_SUBSYSTEM_VENDOR_ID_OFFSET 0x2C
#define PCI_SID_OFFSET 0x2E ///< SubSystem ID
#define PCI_SUBSYSTEM_ID_OFFSET 0x2E
#define PCI_EXPANSION_ROM_BASE 0x30
#define PCI_CAPBILITY_POINTER_OFFSET 0x34
#define PCI_INT_LINE_OFFSET 0x3C ///< Interrupt Line Register
#define PCI_INT_PIN_OFFSET 0x3D ///< Interrupt Pin Register
#define PCI_MAXGNT_OFFSET 0x3E ///< Max Grant Register
#define PCI_MAXLAT_OFFSET 0x3F ///< Max Latency Register
//
// defined in PCI-to-PCI Bridge Architecture Specification
//
#define PCI_BRIDGE_PRIMARY_BUS_REGISTER_OFFSET 0x18
#define PCI_BRIDGE_SECONDARY_BUS_REGISTER_OFFSET 0x19
#define PCI_BRIDGE_SUBORDINATE_BUS_REGISTER_OFFSET 0x1a
#define PCI_BRIDGE_SECONDARY_LATENCY_TIMER_OFFSET 0x1b
#define PCI_BRIDGE_STATUS_REGISTER_OFFSET 0x1E
#define PCI_BRIDGE_CONTROL_REGISTER_OFFSET 0x3E
///
/// Interrupt Line "Unknown" or "No connection" value defined for x86 based system
///
#define PCI_INT_LINE_UNKNOWN 0xFF
///
/// PCI Access Data Format
///
typedef union {
struct {
UINT32 Reg : 8;
UINT32 Func : 3;
UINT32 Dev : 5;
UINT32 Bus : 8;
UINT32 Reserved : 7;
UINT32 Enable : 1;
} Bits;
UINT32 Uint32;
} PCI_CONFIG_ACCESS_CF8;
#pragma pack()
#define EFI_PCI_COMMAND_IO_SPACE BIT0 ///< 0x0001
#define EFI_PCI_COMMAND_MEMORY_SPACE BIT1 ///< 0x0002
#define EFI_PCI_COMMAND_BUS_MASTER BIT2 ///< 0x0004
#define EFI_PCI_COMMAND_SPECIAL_CYCLE BIT3 ///< 0x0008
#define EFI_PCI_COMMAND_MEMORY_WRITE_AND_INVALIDATE BIT4 ///< 0x0010
#define EFI_PCI_COMMAND_VGA_PALETTE_SNOOP BIT5 ///< 0x0020
#define EFI_PCI_COMMAND_PARITY_ERROR_RESPOND BIT6 ///< 0x0040
#define EFI_PCI_COMMAND_STEPPING_CONTROL BIT7 ///< 0x0080
#define EFI_PCI_COMMAND_SERR BIT8 ///< 0x0100
#define EFI_PCI_COMMAND_FAST_BACK_TO_BACK BIT9 ///< 0x0200
//
// defined in PCI-to-PCI Bridge Architecture Specification
//
#define EFI_PCI_BRIDGE_CONTROL_PARITY_ERROR_RESPONSE BIT0 ///< 0x0001
#define EFI_PCI_BRIDGE_CONTROL_SERR BIT1 ///< 0x0002
#define EFI_PCI_BRIDGE_CONTROL_ISA BIT2 ///< 0x0004
#define EFI_PCI_BRIDGE_CONTROL_VGA BIT3 ///< 0x0008
#define EFI_PCI_BRIDGE_CONTROL_VGA_16 BIT4 ///< 0x0010
#define EFI_PCI_BRIDGE_CONTROL_MASTER_ABORT BIT5 ///< 0x0020
#define EFI_PCI_BRIDGE_CONTROL_RESET_SECONDARY_BUS BIT6 ///< 0x0040
#define EFI_PCI_BRIDGE_CONTROL_FAST_BACK_TO_BACK BIT7 ///< 0x0080
#define EFI_PCI_BRIDGE_CONTROL_PRIMARY_DISCARD_TIMER BIT8 ///< 0x0100
#define EFI_PCI_BRIDGE_CONTROL_SECONDARY_DISCARD_TIMER BIT9 ///< 0x0200
#define EFI_PCI_BRIDGE_CONTROL_TIMER_STATUS BIT10 ///< 0x0400
#define EFI_PCI_BRIDGE_CONTROL_DISCARD_TIMER_SERR BIT11 ///< 0x0800
//
// Following are the PCI-CARDBUS bridge control bit, defined in PC Card Standard
//
#define EFI_PCI_BRIDGE_CONTROL_IREQINT_ENABLE BIT7 ///< 0x0080
#define EFI_PCI_BRIDGE_CONTROL_RANGE0_MEMORY_TYPE BIT8 ///< 0x0100
#define EFI_PCI_BRIDGE_CONTROL_RANGE1_MEMORY_TYPE BIT9 ///< 0x0200
#define EFI_PCI_BRIDGE_CONTROL_WRITE_POSTING_ENABLE BIT10 ///< 0x0400
//
// Following are the PCI status control bit
//
#define EFI_PCI_STATUS_CAPABILITY BIT4 ///< 0x0010
#define EFI_PCI_STATUS_66MZ_CAPABLE BIT5 ///< 0x0020
#define EFI_PCI_FAST_BACK_TO_BACK_CAPABLE BIT7 ///< 0x0080
#define EFI_PCI_MASTER_DATA_PARITY_ERROR BIT8 ///< 0x0100
///
/// defined in PC Card Standard
///
#define EFI_PCI_CARDBUS_BRIDGE_CAPABILITY_PTR 0x14
#pragma pack(1)
//
// PCI Capability List IDs and records
//
#define EFI_PCI_CAPABILITY_ID_PMI 0x01
#define EFI_PCI_CAPABILITY_ID_AGP 0x02
#define EFI_PCI_CAPABILITY_ID_VPD 0x03
#define EFI_PCI_CAPABILITY_ID_SLOTID 0x04
#define EFI_PCI_CAPABILITY_ID_MSI 0x05
#define EFI_PCI_CAPABILITY_ID_HOTPLUG 0x06
#define EFI_PCI_CAPABILITY_ID_SHPC 0x0C
///
/// Capabilities List Header
/// Section 6.7, PCI Local Bus Specification, 2.2
///
typedef struct {
UINT8 CapabilityID;
UINT8 NextItemPtr;
} EFI_PCI_CAPABILITY_HDR;
///
/// PMC - Power Management Capabilities
/// Section 3.2.3, PCI Power Management Interface Specifiction, Revision 1.2
///
typedef union {
struct {
UINT16 Version : 3;
UINT16 PmeClock : 1;
UINT16 Reserved : 1;
UINT16 DeviceSpecificInitialization : 1;
UINT16 AuxCurrent : 3;
UINT16 D1Support : 1;
UINT16 D2Support : 1;
UINT16 PmeSupport : 5;
} Bits;
UINT16 Data;
} EFI_PCI_PMC;
#define EFI_PCI_PMC_D3_COLD_MASK (BIT15)
///
/// PMCSR - Power Management Control/Status
/// Section 3.2.4, PCI Power Management Interface Specifiction, Revision 1.2
///
typedef union {
struct {
UINT16 PowerState : 2;
UINT16 ReservedForPciExpress : 1;
UINT16 NoSoftReset : 1;
UINT16 Reserved : 4;
UINT16 PmeEnable : 1;
UINT16 DataSelect : 4;
UINT16 DataScale : 2;
UINT16 PmeStatus : 1;
} Bits;
UINT16 Data;
} EFI_PCI_PMCSR;
#define PCI_POWER_STATE_D0 0
#define PCI_POWER_STATE_D1 1
#define PCI_POWER_STATE_D2 2
#define PCI_POWER_STATE_D3_HOT 3
///
/// PMCSR_BSE - PMCSR PCI-to-PCI Bridge Support Extensions
/// Section 3.2.5, PCI Power Management Interface Specifiction, Revision 1.2
///
typedef union {
struct {
UINT8 Reserved : 6;
UINT8 B2B3 : 1;
UINT8 BusPowerClockControl : 1;
} Bits;
UINT8 Uint8;
} EFI_PCI_PMCSR_BSE;
///
/// Power Management Register Block Definition
/// Section 3.2, PCI Power Management Interface Specifiction, Revision 1.2
///
typedef struct {
EFI_PCI_CAPABILITY_HDR Hdr;
EFI_PCI_PMC PMC;
EFI_PCI_PMCSR PMCSR;
EFI_PCI_PMCSR_BSE BridgeExtention;
UINT8 Data;
} EFI_PCI_CAPABILITY_PMI;
///
/// A.G.P Capability
/// Section 6.1.4, Accelerated Graphics Port Interface Specification, Revision 1.0
///
typedef struct {
EFI_PCI_CAPABILITY_HDR Hdr;
UINT8 Rev;
UINT8 Reserved;
UINT32 Status;
UINT32 Command;
} EFI_PCI_CAPABILITY_AGP;
///
/// VPD Capability Structure
/// Appendix I, PCI Local Bus Specification, 2.2
///
typedef struct {
EFI_PCI_CAPABILITY_HDR Hdr;
UINT16 AddrReg;
UINT32 DataReg;
} EFI_PCI_CAPABILITY_VPD;
///
/// Slot Numbering Capabilities Register
/// Section 3.2.6, PCI-to-PCI Bridge Architeture Specification, Revision 1.2
///
typedef struct {
EFI_PCI_CAPABILITY_HDR Hdr;
UINT8 ExpnsSlotReg;
UINT8 ChassisNo;
} EFI_PCI_CAPABILITY_SLOTID;
///
/// Message Capability Structure for 32-bit Message Address
/// Section 6.8.1, PCI Local Bus Specification, 2.2
///
typedef struct {
EFI_PCI_CAPABILITY_HDR Hdr;
UINT16 MsgCtrlReg;
UINT32 MsgAddrReg;
UINT16 MsgDataReg;
} EFI_PCI_CAPABILITY_MSI32;
///
/// Message Capability Structure for 64-bit Message Address
/// Section 6.8.1, PCI Local Bus Specification, 2.2
///
typedef struct {
EFI_PCI_CAPABILITY_HDR Hdr;
UINT16 MsgCtrlReg;
UINT32 MsgAddrRegLsdw;
UINT32 MsgAddrRegMsdw;
UINT16 MsgDataReg;
} EFI_PCI_CAPABILITY_MSI64;
///
/// Capability EFI_PCI_CAPABILITY_ID_HOTPLUG,
/// CompactPCI Hot Swap Specification PICMG 2.1, R1.0
///
typedef struct {
EFI_PCI_CAPABILITY_HDR Hdr;
///
/// not finished - fields need to go here
///
} EFI_PCI_CAPABILITY_HOTPLUG;
#define PCI_BAR_IDX0 0x00
#define PCI_BAR_IDX1 0x01
#define PCI_BAR_IDX2 0x02
#define PCI_BAR_IDX3 0x03
#define PCI_BAR_IDX4 0x04
#define PCI_BAR_IDX5 0x05
///
/// EFI PCI Option ROM definitions
///
#define EFI_ROOT_BRIDGE_LIST 'eprb'
#define EFI_PCI_EXPANSION_ROM_HEADER_EFISIGNATURE 0x0EF1 ///< defined in UEFI Spec.
#define PCI_EXPANSION_ROM_HEADER_SIGNATURE 0xaa55
#define PCI_DATA_STRUCTURE_SIGNATURE SIGNATURE_32 ('P', 'C', 'I', 'R')
#define PCI_CODE_TYPE_PCAT_IMAGE 0x00
#define EFI_PCI_EXPANSION_ROM_HEADER_COMPRESSED 0x0001 ///< defined in UEFI spec.
///
/// Standard PCI Expansion ROM Header
/// Section 13.4.2, Unified Extensible Firmware Interface Specification, Version 2.1
///
typedef struct {
UINT16 Signature; ///< 0xaa55
UINT8 Reserved[0x16];
UINT16 PcirOffset;
} PCI_EXPANSION_ROM_HEADER;
///
/// Legacy ROM Header Extensions
/// Section 6.3.3.1, PCI Local Bus Specification, 2.2
///
typedef struct {
UINT16 Signature; ///< 0xaa55
UINT8 Size512;
UINT8 InitEntryPoint[3];
UINT8 Reserved[0x12];
UINT16 PcirOffset;
} EFI_LEGACY_EXPANSION_ROM_HEADER;
///
/// PCI Data Structure Format
/// Section 6.3.1.2, PCI Local Bus Specification, 2.2
///
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;
///
/// EFI PCI Expansion ROM Header
/// Section 13.4.2, Unified Extensible Firmware Interface Specification, Version 2.1
///
typedef struct {
UINT16 Signature; ///< 0xaa55
UINT16 InitializationSize;
UINT32 EfiSignature; ///< 0x0EF1
UINT16 EfiSubsystem;
UINT16 EfiMachineType;
UINT16 CompressionType;
UINT8 Reserved[8];
UINT16 EfiImageHeaderOffset;
UINT16 PcirOffset;
} EFI_PCI_EXPANSION_ROM_HEADER;
typedef union {
UINT8 *Raw;
PCI_EXPANSION_ROM_HEADER *Generic;
EFI_PCI_EXPANSION_ROM_HEADER *Efi;
EFI_LEGACY_EXPANSION_ROM_HEADER *PcAt;
} EFI_PCI_ROM_HEADER;
#pragma pack()
#endif
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