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/** @file
The driver for the host to pci bridge (root bridge).
@copyright
Copyright (c) 1999 - 2012 Intel Corporation. All rights reserved
This software and associated documentation (if any) is furnished
under a license and may only be used or copied in accordance
with the terms of the license. Except as permitted by such
license, no part of this software or documentation may be
reproduced, stored in a retrieval system, or transmitted in any
form or by any means without the express written consent of
Intel Corporation.
This file contains an 'Intel Peripheral Driver' and uniquely
identified as "Intel Reference Module" and is
licensed for Intel CPUs and chipsets under the terms of your
license agreement with Intel or your vendor. This file may
be modified by the user, subject to additional terms of the
license agreement
**/
#ifndef _PCI_ROOT_BRIDGE_H_
#define _PCI_ROOT_BRIDGE_H_
#include "EdkIIGlueDxe.h"
#include "Acpi.h"
#include "EfiScriptLib.h"
#include "SaAccess.h"
///
/// Driver Consumed Protocol Prototypes
///
#include EFI_ARCH_PROTOCOL_DEFINITION (Metronome)
#include EFI_PROTOCOL_CONSUMER (CpuIo)
///
/// Driver Produced Protocol Prototypes
///
#include EFI_PROTOCOL_DEFINITION (DevicePath)
#include EFI_PROTOCOL_DEFINITION (PciRootBridgeIo)
///
/// Define resource status constant
///
#define EFI_RESOURCE_NONEXISTENT 0xFFFFFFFFFFFFFFFF
#define EFI_RESOURCE_LESS 0xFFFFFFFFFFFFFFFE
#define EFI_RESOURCE_SATISFIED 0x0000000000000000
///
/// Driver Instance Data Prototypes
///
typedef struct {
EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL_OPERATION Operation;
UINTN NumberOfBytes;
UINTN NumberOfPages;
EFI_PHYSICAL_ADDRESS HostAddress;
EFI_PHYSICAL_ADDRESS MappedHostAddress;
} MAP_INFO;
typedef struct {
ACPI_HID_DEVICE_PATH AcpiDevicePath;
EFI_DEVICE_PATH_PROTOCOL EndDevicePath;
} EFI_PCI_ROOT_BRIDGE_DEVICE_PATH;
typedef struct {
UINT64 BusBase;
UINT64 BusLimit;
UINT64 MemBase;
UINT64 MemLimit;
UINT64 IoBase;
UINT64 IoLimit;
} PCI_ROOT_BRIDGE_RESOURCE_APERTURE;
typedef enum {
TypeIo = 0,
TypeMem32,
TypePMem32,
TypeMem64,
TypePMem64,
TypeBus,
TypeMax
} PCI_RESOURCE_TYPE;
typedef enum {
ResNone = 0,
ResSubmitted,
ResRequested,
ResAllocated,
ResStatusMax
} RES_STATUS;
typedef struct {
PCI_RESOURCE_TYPE Type;
UINT64 Base;
UINT64 Length;
UINT64 Alignment;
RES_STATUS Status;
} PCI_RES_NODE;
#define PCI_ROOT_BRIDGE_SIGNATURE EFI_SIGNATURE_32 ('e', '2', 'p', 'b')
typedef struct {
UINT32 Signature;
LIST_ENTRY Link;
EFI_HANDLE Handle;
UINT64 RootBridgeAttrib;
UINT64 Attributes;
UINT64 Supports;
///
/// Specific for this memory controller: Bus, I/O, Mem
///
PCI_RES_NODE ResAllocNode[6];
///
/// Addressing for Memory and I/O and Bus arrange
///
UINT64 BusBase;
UINT64 MemBase;
UINT64 IoBase;
UINT64 BusLimit;
UINT64 MemLimit;
UINT64 IoLimit;
EFI_LOCK PciLock;
UINTN PciAddress;
UINTN PciData;
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL Io;
} PCI_ROOT_BRIDGE_INSTANCE;
///
/// Driver Instance Data Macros
///
#define DRIVER_INSTANCE_FROM_PCI_ROOT_BRIDGE_IO_THIS(a) CR (a, PCI_ROOT_BRIDGE_INSTANCE, Io, PCI_ROOT_BRIDGE_SIGNATURE)
#define DRIVER_INSTANCE_FROM_LIST_ENTRY(a) CR (a, PCI_ROOT_BRIDGE_INSTANCE, Link, PCI_ROOT_BRIDGE_SIGNATURE)
/**
Construct the Pci Root Bridge Io protocol
@param[in] Protocol - Point to protocol instance
@param[in] HostBridgeHandle - Handle of host bridge
@param[in] Attri - Attribute of host bridge
@param[in] ResAperture - ResourceAperture for host bridge
@retval EFI_SUCCESS - Success to initialize the Pci Root Bridge.
**/
EFI_STATUS
RootBridgeConstructor (
IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *Protocol,
IN EFI_HANDLE HostBridgeHandle,
IN UINT64 Attri,
IN PCI_ROOT_BRIDGE_RESOURCE_APERTURE *ResAperture
)
;
#endif
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