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/** @file
Support for PCI 2.2 standard.
Copyright (c) 2006 - 2007, 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 _PCI22_H
#define _PCI22_H
#define PCI_MAX_SEGMENT 0
#define PCI_MAX_BUS 255
#define PCI_MAX_DEVICE 31
#define PCI_MAX_FUNC 7
//
// Command
//
#define PCI_VGA_PALETTE_SNOOP_DISABLED 0x20
#pragma pack(push, 1)
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;
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;
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;
UINT8 CapabilityPtr;
UINT8 Reserved[3];
UINT32 ExpansionRomBAR;
UINT8 InterruptLine;
UINT8 InterruptPin;
UINT16 BridgeControl;
} PCI_BRIDGE_CONTROL_REGISTER;
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;
typedef struct {
UINT32 CardBusSocketReg; // Cardus Socket/ExCA Base
// Address Register
//
UINT16 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 // obsolete
#define PCI_CLASS_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_ETHERNET 0x00 // obsolete
#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_CTRL 0x03 // obsolete
#define PCI_CLASS_DISPLAY_VGA 0x00
#define PCI_CLASS_VGA 0x00 // obsolete
#define PCI_CLASS_DISPLAY_XGA 0x01
#define PCI_CLASS_DISPLAY_3D 0x02
#define PCI_CLASS_DISPLAY_OTHER 0x80
#define PCI_CLASS_DISPLAY_GFX 0x80
#define PCI_CLASS_GFX 0x80 // obsolete
#define PCI_CLASS_BRIDGE 0x06
#define PCI_CLASS_BRIDGE_HOST 0x00
#define PCI_CLASS_BRIDGE_ISA 0x01
#define PCI_CLASS_ISA 0x01 // obsolete
#define PCI_CLASS_BRIDGE_EISA 0x02
#define PCI_CLASS_BRIDGE_MCA 0x03
#define PCI_CLASS_BRIDGE_P2P 0x04
#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_ISA_PDECODE 0x80
#define PCI_CLASS_ISA_POSITIVE_DECODE 0x80 // obsolete
#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_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_TIMER 0x02
#define PCI_IF_8254_TIMER 0x00
#define PCI_IF_ISA_TIMER 0x01
#define PCI_EISA_TIMER 0x02
#define PCI_SUBCLASS_RTC 0x03
#define PCI_IF_GENERIC_RTC 0x00
#define PCI_IF_ISA_RTC 0x00
#define PCI_SUBCLASS_PNP_CONTROLLER 0x04 // HotPlug Controller
#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_CLASS_DOCKING_STATION 0x0A
#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_CLASS_SERIAL_ACCESS_BUS 0x01
#define PCI_CLASS_SERIAL_SSA 0x02
#define PCI_CLASS_SERIAL_USB 0x03
#define PCI_IF_EHCI 0x20
#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 0x02
#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_CLASS_DPIO 0x11
#define IS_CLASS1(_p, c) ((_p)->Hdr.ClassCode[2] == (c))
#define IS_CLASS2(_p, c, s) (IS_CLASS1 (_p, c) && ((_p)->Hdr.ClassCode[1] == (s)))
#define IS_CLASS3(_p, c, s, p) (IS_CLASS2 (_p, c, s) && ((_p)->Hdr.ClassCode[0] == (p)))
#define IS_PCI_DISPLAY(_p) IS_CLASS1 (_p, PCI_CLASS_DISPLAY)
#define IS_PCI_VGA(_p) IS_CLASS3 (_p, PCI_CLASS_DISPLAY, PCI_CLASS_DISPLAY_VGA, 0)
#define IS_PCI_8514(_p) IS_CLASS3 (_p, PCI_CLASS_DISPLAY, PCI_CLASS_DISPLAY_VGA, 1)
#define IS_PCI_GFX(_p) IS_CLASS3 (_p, PCI_CLASS_DISPLAY, PCI_CLASS_DISPLAY_GFX, 0)
#define IS_PCI_OLD(_p) IS_CLASS1 (_p, PCI_CLASS_OLD)
#define IS_PCI_OLD_VGA(_p) IS_CLASS2 (_p, PCI_CLASS_OLD, PCI_CLASS_OLD_VGA)
#define IS_PCI_IDE(_p) IS_CLASS2 (_p, PCI_CLASS_MASS_STORAGE, PCI_CLASS_MASS_STORAGE_IDE)
#define IS_PCI_SCSI(_p) IS_CLASS3 (_p, PCI_CLASS_MASS_STORAGE, PCI_CLASS_MASS_STORAGE_SCSI, 0)
#define IS_PCI_RAID(_p) IS_CLASS3 (_p, PCI_CLASS_MASS_STORAGE, PCI_CLASS_MASS_STORAGE_RAID, 0)
#define IS_PCI_LPC(_p) IS_CLASS3 (_p, PCI_CLASS_BRIDGE, PCI_CLASS_BRIDGE_ISA, 0)
#define IS_PCI_P2P(_p) IS_CLASS3 (_p, PCI_CLASS_BRIDGE, PCI_CLASS_BRIDGE_P2P, 0)
#define IS_PCI_P2P_SUB(_p) IS_CLASS3 (_p, PCI_CLASS_BRIDGE, PCI_CLASS_BRIDGE_P2P, 1)
#define IS_PCI_16550_SERIAL(_p) IS_CLASS3 (_p, PCI_CLASS_SCC, PCI_SUBCLASS_SERIAL, PCI_IF_16550)
#define IS_PCI_USB(_p) IS_CLASS2 (_p, PCI_CLASS_SERIAL, PCI_CLASS_SERIAL_USB)
#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
#define HEADER_LAYOUT_CODE 0x7f
#define IS_PCI_BRIDGE(_p) (((_p)->Hdr.HeaderType & HEADER_LAYOUT_CODE) == (HEADER_TYPE_PCI_TO_PCI_BRIDGE))
#define IS_CARDBUS_BRIDGE(_p) (((_p)->Hdr.HeaderType & HEADER_LAYOUT_CODE) == (HEADER_TYPE_CARDBUS_BRIDGE))
#define IS_PCI_MULTI_FUNC(_p) ((_p)->Hdr.HeaderType & HEADER_TYPE_MULTI_FUNCTION)
#define PCI_DEVICE_ROMBAR 0x30
#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
#define PCI_BRIDGE_CONTROL_REGISTER_OFFSET 0x3E
#define PCI_BRIDGE_STATUS_REGISTER_OFFSET 0x1E
#define PCI_BRIDGE_PRIMARY_BUS_REGISTER_OFFSET 0x18
#define PCI_BRIDGE_SECONDARY_BUS_REGISTER_OFFSET 0x19
#define PCI_BRIDGE_SUBORDINATE_BUS_REGISTER_OFFSET 0x1a
//
// Interrupt Line "Unknown" or "No connection" value defined for x86 based system
//
#define PCI_INT_LINE_UNKNOWN 0xFF
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 PCI_EXPANSION_ROM_HEADER_SIGNATURE 0xaa55
#define PCI_DATA_STRUCTURE_SIGNATURE EFI_SIGNATURE_32 ('P', 'C', 'I', 'R')
#define PCI_CODE_TYPE_PCAT_IMAGE 0x00
#define PCI_CODE_TYPE_EFI_IMAGE 0x03
#define EFI_PCI_EXPANSION_ROM_HEADER_COMPRESSED 0x0001
#define EFI_PCI_COMMAND_IO_SPACE 0x0001
#define EFI_PCI_COMMAND_MEMORY_SPACE 0x0002
#define EFI_PCI_COMMAND_BUS_MASTER 0x0004
#define EFI_PCI_COMMAND_SPECIAL_CYCLE 0x0008
#define EFI_PCI_COMMAND_MEMORY_WRITE_AND_INVALIDATE 0x0010
#define EFI_PCI_COMMAND_VGA_PALETTE_SNOOP 0x0020
#define EFI_PCI_COMMAND_PARITY_ERROR_RESPOND 0x0040
#define EFI_PCI_COMMAND_STEPPING_CONTROL 0x0080
#define EFI_PCI_COMMAND_SERR 0x0100
#define EFI_PCI_COMMAND_FAST_BACK_TO_BACK 0x0200
#define EFI_PCI_BRIDGE_CONTROL_PARITY_ERROR_RESPONSE 0x0001
#define EFI_PCI_BRIDGE_CONTROL_SERR 0x0002
#define EFI_PCI_BRIDGE_CONTROL_ISA 0x0004
#define EFI_PCI_BRIDGE_CONTROL_VGA 0x0008
#define EFI_PCI_BRIDGE_CONTROL_VGA_16 0x0010
#define EFI_PCI_BRIDGE_CONTROL_MASTER_ABORT 0x0020
#define EFI_PCI_BRIDGE_CONTROL_RESET_SECONDARY_BUS 0x0040
#define EFI_PCI_BRIDGE_CONTROL_FAST_BACK_TO_BACK 0x0080
#define EFI_PCI_BRIDGE_CONTROL_PRIMARY_DISCARD_TIMER 0x0100
#define EFI_PCI_BRIDGE_CONTROL_SECONDARY_DISCARD_TIMER 0x0200
#define EFI_PCI_BRIDGE_CONTROL_TIMER_STATUS 0x0400
#define EFI_PCI_BRIDGE_CONTROL_DISCARD_TIMER_SERR 0x0800
//
// Following are the PCI-CARDBUS bridge control bit
//
#define EFI_PCI_BRIDGE_CONTROL_IREQINT_ENABLE 0x0080
#define EFI_PCI_BRIDGE_CONTROL_RANGE0_MEMORY_TYPE 0x0100
#define EFI_PCI_BRIDGE_CONTROL_RANGE1_MEMORY_TYPE 0x0200
#define EFI_PCI_BRIDGE_CONTROL_WRITE_POSTING_ENABLE 0x0400
//
// Following are the PCI status control bit
//
#define EFI_PCI_STATUS_CAPABILITY 0x0010
#define EFI_PCI_STATUS_66MZ_CAPABLE 0x0020
#define EFI_PCI_FAST_BACK_TO_BACK_CAPABLE 0x0080
#define EFI_PCI_MASTER_DATA_PARITY_ERROR 0x0100
#define EFI_PCI_CAPABILITY_PTR 0x34
#define EFI_PCI_CARDBUS_BRIDGE_CAPABILITY_PTR 0x14
#pragma pack(1)
typedef struct {
UINT16 Signature; // 0xaa55
UINT8 Reserved[0x16];
UINT16 PcirOffset;
} PCI_EXPANSION_ROM_HEADER;
typedef struct {
UINT16 Signature; // 0xaa55
UINT8 Size512;
UINT8 InitEntryPoint[3];
UINT8 Reserved[0x12];
UINT16 PcirOffset;
} EFI_LEGACY_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;
//
// 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_PCIX 0x07
typedef struct {
UINT8 CapabilityID;
UINT8 NextItemPtr;
} EFI_PCI_CAPABILITY_HDR;
//
// Capability EFI_PCI_CAPABILITY_ID_PMI
//
typedef struct {
EFI_PCI_CAPABILITY_HDR Hdr;
UINT16 PMC;
UINT16 PMCSR;
UINT8 BridgeExtention;
UINT8 Data;
} EFI_PCI_CAPABILITY_PMI;
//
// Capability EFI_PCI_CAPABILITY_ID_AGP
//
typedef struct {
EFI_PCI_CAPABILITY_HDR Hdr;
UINT8 Rev;
UINT8 Reserved;
UINT32 Status;
UINT32 Command;
} EFI_PCI_CAPABILITY_AGP;
//
// Capability EFI_PCI_CAPABILITY_ID_VPD
//
typedef struct {
EFI_PCI_CAPABILITY_HDR Hdr;
UINT16 AddrReg;
UINT32 DataReg;
} EFI_PCI_CAPABILITY_VPD;
//
// Capability EFI_PCI_CAPABILITY_ID_SLOTID
//
typedef struct {
EFI_PCI_CAPABILITY_HDR Hdr;
UINT8 ExpnsSlotReg;
UINT8 ChassisNo;
} EFI_PCI_CAPABILITY_SLOTID;
//
// Capability EFI_PCI_CAPABILITY_ID_MSI
//
typedef struct {
EFI_PCI_CAPABILITY_HDR Hdr;
UINT16 MsgCtrlReg;
UINT32 MsgAddrReg;
UINT16 MsgDataReg;
} EFI_PCI_CAPABILITY_MSI32;
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
//
typedef struct {
EFI_PCI_CAPABILITY_HDR Hdr;
//
// not finished - fields need to go here
//
} EFI_PCI_CAPABILITY_HOTPLUG;
//
// Capability EFI_PCI_CAPABILITY_ID_PCIX
//
typedef struct {
EFI_PCI_CAPABILITY_HDR Hdr;
UINT16 CommandReg;
UINT32 StatusReg;
} EFI_PCI_CAPABILITY_PCIX;
typedef struct {
EFI_PCI_CAPABILITY_HDR Hdr;
UINT16 SecStatusReg;
UINT32 StatusReg;
UINT32 SplitTransCtrlRegUp;
UINT32 SplitTransCtrlRegDn;
} EFI_PCI_CAPABILITY_PCIX_BRDG;
#define DEVICE_ID_NOCARE 0xFFFF
#define PCI_ACPI_UNUSED 0
#define PCI_BAR_NOCHANGE 0
#define PCI_BAR_OLD_ALIGN 0xFFFFFFFFFFFFFFFFULL
#define PCI_BAR_EVEN_ALIGN 0xFFFFFFFFFFFFFFFEULL
#define PCI_BAR_SQUAD_ALIGN 0xFFFFFFFFFFFFFFFDULL
#define PCI_BAR_DQUAD_ALIGN 0xFFFFFFFFFFFFFFFCULL
#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
#define PCI_BAR_ALL 0xFF
#pragma pack(pop)
#endif
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