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MdeModulePkg: Add generic PciHostBridgeDxe driver. 

This driver links to PciHostBridgeLib provided by platform/silicon to
produce PciRootBridgeIo and PciHostBridgeResourceAllocation protocol.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@19658 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Ruiyu Ni 2016-01-18 04:50:18 +00:00 committed by niruiyu
parent 32fa5588ff
commit 4a50cf4ebd
7 changed files with 3619 additions and 0 deletions
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1134
MdeModulePkg/Bus/Pci/PciHostBridgeDxe/PciHostBridge.c Normal file
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MdeModulePkg/Bus/Pci/PciHostBridgeDxe/PciHostBridge.h Normal file
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/** @file
The Header file of the Pci Host Bridge Driver.
Copyright (c) 1999 - 2016, Intel Corporation. All rights reserved.<BR>
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 _PCI_HOST_BRIDGE_H_
#define _PCI_HOST_BRIDGE_H_
#include <PiDxe.h>
#include <IndustryStandard/Acpi.h>
#include <Library/UefiDriverEntryPoint.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/PciHostBridgeLib.h>
#include <Protocol/PciHostBridgeResourceAllocation.h>
#include "PciRootBridge.h"
#define PCI_HOST_BRIDGE_SIGNATURE SIGNATURE_32 ('p', 'h', 'b', 'g')
typedef struct {
UINTN Signature;
EFI_HANDLE Handle;
LIST_ENTRY RootBridges;
BOOLEAN CanRestarted;
EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL ResAlloc;
} PCI_HOST_BRIDGE_INSTANCE;
#define PCI_HOST_BRIDGE_FROM_THIS(a) CR (a, PCI_HOST_BRIDGE_INSTANCE, ResAlloc, PCI_HOST_BRIDGE_SIGNATURE)
//
// Driver Entry Point
//
/**
Entry point of this driver.
@param ImageHandle - Image handle of this driver.
@param SystemTable - Pointer to standard EFI system table.
@retval EFI_SUCCESS - Succeed.
@retval EFI_DEVICE_ERROR - Fail to install PCI_ROOT_BRIDGE_IO protocol.
**/
EFI_STATUS
EFIAPI
InitializePciHostBridge (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
);
//
// HostBridge Resource Allocation interface
//
/**
Enter a certain phase of the PCI enumeration process.
@param This - The EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL instance.
@param Phase - The phase during enumeration.
@retval EFI_SUCCESS - Succeed.
@retval EFI_INVALID_PARAMETER - Wrong phase parameter passed in.
@retval EFI_NOT_READY - Resources have not been submitted yet.
**/
EFI_STATUS
EFIAPI
NotifyPhase (
IN EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL *This,
IN EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PHASE Phase
);
/**
Return the device handle of the next PCI root bridge that is associated with
this Host Bridge.
@param This - The EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_ PROTOCOL instance.
RootBridgeHandle - Returns the device handle of the next PCI Root Bridge.
On input, it holds the RootBridgeHandle returned by the most
recent call to GetNextRootBridge().The handle for the first
PCI Root Bridge is returned if RootBridgeHandle is NULL on input.
@retval EFI_SUCCESS - Succeed.
@retval EFI_NOT_FOUND - Next PCI root bridge not found.
@retval EFI_INVALID_PARAMETER - Wrong parameter passed in.
**/
EFI_STATUS
EFIAPI
GetNextRootBridge (
IN EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL *This,
IN OUT EFI_HANDLE *RootBridgeHandle
);
/**
Returns the attributes of a PCI Root Bridge.
@param This - The EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_ PROTOCOL instance
@param RootBridgeHandle - The device handle of the PCI Root Bridge
that the caller is interested in
@param Attributes - The pointer to attributes of the PCI Root Bridge
@retval EFI_SUCCESS - Succeed.
@retval EFI_INVALID_PARAMETER - Attributes parameter passed in is NULL or
@retval RootBridgeHandle is not an EFI_HANDLE
@retval that was returned on a previous call to
@retval GetNextRootBridge().
**/
EFI_STATUS
EFIAPI
GetAttributes (
IN EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL *This,
IN EFI_HANDLE RootBridgeHandle,
OUT UINT64 *Attributes
);
/**
This is the request from the PCI enumerator to set up
the specified PCI Root Bridge for bus enumeration process.
@param This - The EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_ PROTOCOL instance.
@param RootBridgeHandle - The PCI Root Bridge to be set up.
@param Configuration - Pointer to the pointer to the PCI bus resource descriptor.
@retval EFI_SUCCESS - Succeed.
@retval EFI_OUT_OF_RESOURCES - Not enough pool to be allocated.
@retval EFI_INVALID_PARAMETER - RootBridgeHandle is not a valid handle.
**/
EFI_STATUS
EFIAPI
StartBusEnumeration (
IN EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL *This,
IN EFI_HANDLE RootBridgeHandle,
OUT VOID **Configuration
);
/**
This function programs the PCI Root Bridge hardware so that
it decodes the specified PCI bus range.
@param This - The EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_ PROTOCOL instance.
@param RootBridgeHandle - The PCI Root Bridge whose bus range is to be programmed.
@param Configuration - The pointer to the PCI bus resource descriptor.
@retval EFI_SUCCESS - Succeed.
@retval EFI_INVALID_PARAMETER - Wrong parameters passed in.
**/
EFI_STATUS
EFIAPI
SetBusNumbers (
IN EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL *This,
IN EFI_HANDLE RootBridgeHandle,
IN VOID *Configuration
);
/**
Submits the I/O and memory resource requirements for the specified PCI Root Bridge.
@param This - The EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_ PROTOCOL instance
@param RootBridgeHandle - The PCI Root Bridge whose I/O and memory resource requirements
are being submitted
@param Configuration - The pointer to the PCI I/O and PCI memory resource descriptor
@retval EFI_SUCCESS - Succeed.
@retval EFI_INVALID_PARAMETER - Wrong parameters passed in.
**/
EFI_STATUS
EFIAPI
SubmitResources (
IN EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL *This,
IN EFI_HANDLE RootBridgeHandle,
IN VOID *Configuration
);
/**
This function returns the proposed resource settings for the specified
PCI Root Bridge.
@param This - The EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_ PROTOCOL instance.
@param RootBridgeHandle - The PCI Root Bridge handle.
@param Configuration - The pointer to the pointer to the PCI I/O
and memory resource descriptor.
@retval EFI_SUCCESS - Succeed.
@retval EFI_OUT_OF_RESOURCES - Not enough pool to be allocated.
@retval EFI_INVALID_PARAMETER - RootBridgeHandle is not a valid handle.
**/
EFI_STATUS
EFIAPI
GetProposedResources (
IN EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL *This,
IN EFI_HANDLE RootBridgeHandle,
OUT VOID **Configuration
);
/**
This function is called for all the PCI controllers that the PCI
bus driver finds. Can be used to Preprogram the controller.
@param This - The EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_ PROTOCOL instance.
@param RootBridgeHandle - The PCI Root Bridge handle.
@param PciAddress - Address of the controller on the PCI bus.
@param Phase - The Phase during resource allocation.
@retval EFI_SUCCESS - Succeed.
@retval EFI_INVALID_PARAMETER - RootBridgeHandle is not a valid handle.
**/
EFI_STATUS
EFIAPI
PreprocessController (
IN EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL *This,
IN EFI_HANDLE RootBridgeHandle,
IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL_PCI_ADDRESS PciAddress,
IN EFI_PCI_CONTROLLER_RESOURCE_ALLOCATION_PHASE Phase
);
/**
This routine constructs the resource descriptors for all root bridges and call PciHostBridgeResourceConflict().
@param HostBridge The Host Bridge Instance where the resource adjustment happens.
**/
VOID
ResourceConflict (
IN PCI_HOST_BRIDGE_INSTANCE *HostBridge
);
extern EFI_METRONOME_ARCH_PROTOCOL *mMetronome;
extern EFI_CPU_IO2_PROTOCOL *mCpuIo;
#endif

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MdeModulePkg/Bus/Pci/PciHostBridgeDxe/PciHostBridgeDxe.inf Normal file
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## @file
# Generic PCI Host Bridge driver.
#
# Copyright (c) 2009 - 2016, Intel Corporation. All rights reserved.<BR>
#
# 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.
#
#
##
[Defines]
INF_VERSION = 0x00010005
BASE_NAME = PciHostBridgeDxe
FILE_GUID = 128FB770-5E79-4176-9E51-9BB268A17DD1
MODULE_TYPE = DXE_DRIVER
VERSION_STRING = 1.0
ENTRY_POINT = InitializePciHostBridge
[Sources]
PciHostBridge.h
PciRootBridge.h
PciHostBridge.c
PciRootBridgeIo.c
PciHostResource.h
[Packages]
MdePkg/MdePkg.dec
MdeModulePkg/MdeModulePkg.dec
[LibraryClasses]
UefiDriverEntryPoint
UefiBootServicesTableLib
DebugLib
DxeServicesTableLib
DevicePathLib
BaseMemoryLib
BaseLib
PciSegmentLib
PciHostBridgeLib
[Protocols]
gEfiMetronomeArchProtocolGuid ## CONSUMES
gEfiCpuIo2ProtocolGuid ## CONSUMES
gEfiDevicePathProtocolGuid ## BY_START
gEfiPciRootBridgeIoProtocolGuid ## BY_START
gEfiPciHostBridgeResourceAllocationProtocolGuid ## BY_START
[Depex]
gEfiCpuIo2ProtocolGuid AND
gEfiMetronomeArchProtocolGuid

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/** @file
The Header file of the Pci Host Bridge Driver.
Copyright (c) 1999 - 2016, Intel Corporation. All rights reserved.<BR>
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 _PCI_HOST_RESOURCE_H_
#define _PCI_HOST_RESOURCE_H_
#include <PiDxe.h>
#define PCI_RESOURCE_LESS 0xFFFFFFFFFFFFFFFE
typedef enum {
TypeIo = 0,
TypeMem32,
TypePMem32,
TypeMem64,
TypePMem64,
TypeBus,
TypeMax
} PCI_RESOURCE_TYPE;
typedef enum {
ResNone,
ResSubmitted,
ResAllocated,
ResStatusMax
} RES_STATUS;
typedef struct {
PCI_RESOURCE_TYPE Type;
UINT64 Base;
UINT64 Length;
UINT64 Alignment;
RES_STATUS Status;
} PCI_RES_NODE;
#endif

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MdeModulePkg/Bus/Pci/PciHostBridgeDxe/PciRootBridge.h Normal file
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/** @file
The PCI Root Bridge header file.
Copyright (c) 1999 - 2016, Intel Corporation. All rights reserved.<BR>
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 _PCI_ROOT_BRIDGE_H_
#define _PCI_ROOT_BRIDGE_H_
#include <PiDxe.h>
#include <IndustryStandard/Acpi.h>
#include <IndustryStandard/Pci.h>
//
// Driver Consumed Protocol Prototypes
//
#include <Protocol/Metronome.h>
#include <Protocol/CpuIo2.h>
#include <Protocol/DevicePath.h>
#include <Protocol/PciRootBridgeIo.h>
#include <Library/DebugLib.h>
#include <Library/DevicePathLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/DxeServicesTableLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/BaseLib.h>
#include <Library/PciSegmentLib.h>
#include "PciHostResource.h"
typedef enum {
IoOperation,
MemOperation,
PciOperation
} OPERATION_TYPE;
#define MAP_INFO_SIGNATURE SIGNATURE_32 ('_', 'm', 'a', 'p')
typedef struct {
UINT32 Signature;
LIST_ENTRY Link;
EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL_OPERATION Operation;
UINTN NumberOfBytes;
UINTN NumberOfPages;
EFI_PHYSICAL_ADDRESS HostAddress;
EFI_PHYSICAL_ADDRESS MappedHostAddress;
} MAP_INFO;
#define MAP_INFO_FROM_LINK(a) CR (a, MAP_INFO, Link, MAP_INFO_SIGNATURE)
#define PCI_ROOT_BRIDGE_SIGNATURE SIGNATURE_32 ('_', 'p', 'r', 'b')
typedef struct {
UINT32 Signature;
LIST_ENTRY Link;
EFI_HANDLE Handle;
UINT64 AllocationAttributes;
UINT64 Attributes;
UINT64 Supports;
PCI_RES_NODE ResAllocNode[TypeMax];
PCI_ROOT_BRIDGE_APERTURE Bus;
PCI_ROOT_BRIDGE_APERTURE Io;
PCI_ROOT_BRIDGE_APERTURE Mem;
PCI_ROOT_BRIDGE_APERTURE PMem;
PCI_ROOT_BRIDGE_APERTURE MemAbove4G;
PCI_ROOT_BRIDGE_APERTURE PMemAbove4G;
BOOLEAN DmaAbove4G;
VOID *ConfigBuffer;
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
CHAR16 *DevicePathStr;
EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL RootBridgeIo;
BOOLEAN ResourceSubmitted;
LIST_ENTRY Maps;
} PCI_ROOT_BRIDGE_INSTANCE;
#define ROOT_BRIDGE_FROM_THIS(a) CR (a, PCI_ROOT_BRIDGE_INSTANCE, RootBridgeIo, PCI_ROOT_BRIDGE_SIGNATURE)
#define ROOT_BRIDGE_FROM_LINK(a) CR (a, PCI_ROOT_BRIDGE_INSTANCE, Link, PCI_ROOT_BRIDGE_SIGNATURE)
/**
Construct the Pci Root Bridge Io protocol.
@param Protocol - Protocol to initialize.
@param HostBridgeHandle - Handle to the HostBridge.
@retval EFI_SUCCESS - Success.
@retval Others - Fail.
**/
PCI_ROOT_BRIDGE_INSTANCE *
CreateRootBridge (
IN PCI_ROOT_BRIDGE *Bridge,
IN EFI_HANDLE HostBridgeHandle
);
//
// Protocol Member Function Prototypes
//
/**
Poll an address in memory mapped space until an exit condition is met
or a timeout occurs.
@param This - Pointer to EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL instance.
@param Width - Width of the memory operation.
@param Address - The base address of the memory operation.
@param Mask - Mask used for polling criteria.
@param Value - Comparison value used for polling exit criteria.
@param Delay - Number of 100ns units to poll.
@param Result - Pointer to the last value read from memory location.
@retval EFI_SUCCESS - Success.
@retval EFI_INVALID_PARAMETER - Invalid parameter found.
@retval EFI_TIMEOUT - Delay expired before a match occurred.
@retval EFI_OUT_OF_RESOURCES - Fail due to lack of resources.
**/
EFI_STATUS
EFIAPI
RootBridgeIoPollMem (
IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *This,
IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL_WIDTH Width,
IN UINT64 Address,
IN UINT64 Mask,
IN UINT64 Value,
IN UINT64 Delay,
OUT UINT64 *Result
)
;
/**
Poll an address in I/O space until an exit condition is met
or a timeout occurs.
@param This - Pointer to EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL instance.
@param Width - Width of I/O operation.
@param Address - The base address of the I/O operation.
@param Mask - Mask used for polling criteria.
@param Value - Comparison value used for polling exit criteria.
@param Delay - Number of 100ns units to poll.
@param Result - Pointer to the last value read from memory location.
@retval EFI_SUCCESS - Success.
@retval EFI_INVALID_PARAMETER - Invalid parameter found.
@retval EFI_TIMEOUT - Delay expired before a match occurred.
@retval EFI_OUT_OF_RESOURCES - Fail due to lack of resources.
**/
EFI_STATUS
EFIAPI
RootBridgeIoPollIo (
IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *This,
IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL_WIDTH Width,
IN UINT64 Address,
IN UINT64 Mask,
IN UINT64 Value,
IN UINT64 Delay,
OUT UINT64 *Result
)
;
/**
Allow read from memory mapped I/O space.
@param This - Pointer to EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL instance.
@param Width - The width of memory operation.
@param Address - Base address of the memory operation.
@param Count - Number of memory opeartion to perform.
@param Buffer - The destination buffer to store data.
@retval EFI_SUCCESS - Success.
@retval EFI_INVALID_PARAMETER - Invalid parameter found.
@retval EFI_OUT_OF_RESOURCES - Fail due to lack of resources.
**/
EFI_STATUS
EFIAPI
RootBridgeIoMemRead (
IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *This,
IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL_WIDTH Width,
IN UINT64 Address,
IN UINTN Count,
IN OUT VOID *Buffer
)
;
/**
Allow write to memory mapped I/O space.
@param This - Pointer to EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL instance.
@param Width - The width of memory operation.
@param Address - Base address of the memory operation.
@param Count - Number of memory opeartion to perform.
@param Buffer - The source buffer to write data from.
@retval EFI_SUCCESS - Success.
@retval EFI_INVALID_PARAMETER - Invalid parameter found.
@retval EFI_OUT_OF_RESOURCES - Fail due to lack of resources.
**/
EFI_STATUS
EFIAPI
RootBridgeIoMemWrite (
IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *This,
IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL_WIDTH Width,
IN UINT64 Address,
IN UINTN Count,
IN OUT VOID *Buffer
)
;
/**
Enable a PCI driver to read PCI controller registers in the
PCI root bridge I/O space.
@param This - A pointer to EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL
@param Width - Signifies the width of the memory operation.
@param UserAddress - The base address of the I/O operation.
@param Count - The number of I/O operations to perform.
@param UserBuffer - The destination buffer to store the results.
@retval EFI_SUCCESS - The data was read from the PCI root bridge.
@retval EFI_INVALID_PARAMETER - Invalid parameters found.
@retval EFI_OUT_OF_RESOURCES - The request could not be completed due to a lack of
@retval resources.
**/
EFI_STATUS
EFIAPI
RootBridgeIoIoRead (
IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *This,
IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL_WIDTH Width,
IN UINT64 UserAddress,
IN UINTN Count,
IN OUT VOID *UserBuffer
)
;
/**
Enable a PCI driver to write to PCI controller registers in the
PCI root bridge I/O space.
@param This - A pointer to EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL
@param Width - Signifies the width of the memory operation.
@param UserAddress - The base address of the I/O operation.
@param Count - The number of I/O operations to perform.
@param UserBuffer - The source buffer to write data from.
@retval EFI_SUCCESS - The data was written to the PCI root bridge.
@retval EFI_INVALID_PARAMETER - Invalid parameters found.
@retval EFI_OUT_OF_RESOURCES - The request could not be completed due to a lack of
@retval resources.
**/
EFI_STATUS
EFIAPI
RootBridgeIoIoWrite (
IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *This,
IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL_WIDTH Width,
IN UINT64 UserAddress,
IN UINTN Count,
IN OUT VOID *UserBuffer
)
;
/**
Copy one region of PCI root bridge memory space to be copied to
another region of PCI root bridge memory space.
@param This - A pointer to EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL instance.
@param Width - Signifies the width of the memory operation.
@param DestAddress - Destination address of the memory operation.
@param SrcAddress - Source address of the memory operation.
@param Count - Number of memory operations to perform.
@retval EFI_SUCCESS - The data was copied successfully.
@retval EFI_INVALID_PARAMETER - Invalid parameters found.
@retval EFI_OUT_OF_RESOURCES - The request could not be completed due to a lack of
@retval resources.
**/
EFI_STATUS
EFIAPI
RootBridgeIoCopyMem (
IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *This,
IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL_WIDTH Width,
IN UINT64 DestAddress,
IN UINT64 SrcAddress,
IN UINTN Count
)
;
/**
Allows read from PCI configuration space.
@param This - A pointer to EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL
@param Width - Signifies the width of the memory operation.
@param Address - The address within the PCI configuration space
for the PCI controller.
@param Count - The number of PCI configuration operations
to perform.
@param Buffer - The destination buffer to store the results.
@retval EFI_SUCCESS - The data was read from the PCI root bridge.
@retval EFI_INVALID_PARAMETER - Invalid parameters found.
@retval EFI_OUT_OF_RESOURCES - The request could not be completed due to a lack of
@retval resources.
**/
EFI_STATUS
EFIAPI
RootBridgeIoPciRead (
IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *This,
IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL_WIDTH Width,
IN UINT64 Address,
IN UINTN Count,
IN OUT VOID *Buffer
)
;
/**
Allows write to PCI configuration space.
@param This - A pointer to EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL
@param Width - Signifies the width of the memory operation.
@param Address - The address within the PCI configuration space
for the PCI controller.
@param Count - The number of PCI configuration operations
to perform.
@param Buffer - The source buffer to get the results.
@retval EFI_SUCCESS - The data was written to the PCI root bridge.
@retval EFI_INVALID_PARAMETER - Invalid parameters found.
@retval EFI_OUT_OF_RESOURCES - The request could not be completed due to a lack of
@retval resources.
**/
EFI_STATUS
EFIAPI
RootBridgeIoPciWrite (
IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *This,
IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL_WIDTH Width,
IN UINT64 Address,
IN UINTN Count,
IN OUT VOID *Buffer
)
;
/**
Provides the PCI controller-specific address needed to access
system memory for DMA.
@param This - A pointer to the EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL.
@param Operation - Indicate if the bus master is going to read or write
to system memory.
@param HostAddress - The system memory address to map on the PCI controller.
@param NumberOfBytes - On input the number of bytes to map.
On output the number of bytes that were mapped.
@param DeviceAddress - The resulting map address for the bus master PCI
controller to use to access the system memory's HostAddress.
@param Mapping - The value to pass to Unmap() when the bus master DMA
operation is complete.
@retval EFI_SUCCESS - Success.
@retval EFI_INVALID_PARAMETER - Invalid parameters found.
@retval EFI_UNSUPPORTED - The HostAddress cannot be mapped as a common
@retval buffer.
@retval EFI_DEVICE_ERROR - The System hardware could not map the requested
@retval address.
@retval EFI_OUT_OF_RESOURCES - The request could not be completed due to
@retval lack of resources.
**/
EFI_STATUS
EFIAPI
RootBridgeIoMap (
IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *This,
IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL_OPERATION Operation,
IN VOID *HostAddress,
IN OUT UINTN *NumberOfBytes,
OUT EFI_PHYSICAL_ADDRESS *DeviceAddress,
OUT VOID **Mapping
)
;
/**
Completes the Map() operation and releases any corresponding resources.
@param This - Pointer to the EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL instance.
Mapping - The value returned from Map() operation.
@retval EFI_SUCCESS - The range was unmapped successfully.
@retval EFI_INVALID_PARAMETER - Mapping is not a value that was returned
@retval by Map operation.
@retval EFI_DEVICE_ERROR - The data was not committed to the target
@retval system memory.
**/
EFI_STATUS
EFIAPI
RootBridgeIoUnmap (
IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *This,
IN VOID *Mapping
)
;
/**
Allocates pages that are suitable for a common buffer mapping.
@param This - Pointer to EFI_ROOT_BRIDGE_IO_PROTOCOL instance.
@param Type - Not used and can be ignored.
@param MemoryType - Type of memory to allocate.
@param Pages - Number of pages to allocate.
@param HostAddress - Pointer to store the base system memory address
of the allocated range.
@param Attributes - Requested bit mask of attributes of the allocated
range.
@retval EFI_SUCCESS - The requested memory range were allocated.
@retval EFI_INVALID_PARAMETER - Invalid parameter found.
@retval EFI_UNSUPPORTED - Attributes is unsupported.
**/
EFI_STATUS
EFIAPI
RootBridgeIoAllocateBuffer (
IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *This,
IN EFI_ALLOCATE_TYPE Type,
IN EFI_MEMORY_TYPE MemoryType,
IN UINTN Pages,
OUT VOID **HostAddress,
IN UINT64 Attributes
)
;
/**
Free memory allocated in AllocateBuffer.
@param This - Pointer to EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL
instance.
@param Pages - Number of pages to free.
@param HostAddress - The base system memory address of the
allocated range.
@retval EFI_SUCCESS - Requested memory pages were freed.
@retval EFI_INVALID_PARAMETER - Invalid parameter found.
**/
EFI_STATUS
EFIAPI
RootBridgeIoFreeBuffer (
IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *This,
IN UINTN Pages,
OUT VOID *HostAddress
)
;
/**
Flushes all PCI posted write transactions from a PCI host
bridge to system memory.
@param This - Pointer to EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL instance.
@retval EFI_SUCCESS - PCI posted write transactions were flushed
@retval from PCI host bridge to system memory.
@retval EFI_DEVICE_ERROR - Fail due to hardware error.
**/
EFI_STATUS
EFIAPI
RootBridgeIoFlush (
IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *This
)
;
/**
Get the attributes that a PCI root bridge supports and
the attributes the PCI root bridge is currently using.
@param This - Pointer to EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL
instance.
@param Supports - A pointer to the mask of attributes that
this PCI root bridge supports.
@param Attributes - A pointer to the mask of attributes that
this PCI root bridge is currently using.
@retval EFI_SUCCESS - Success.
@retval EFI_INVALID_PARAMETER - Invalid parameter found.
**/
EFI_STATUS
EFIAPI
RootBridgeIoGetAttributes (
IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *This,
OUT UINT64 *Supported,
OUT UINT64 *Attributes
)
;
/**
Sets the attributes for a resource range on a PCI root bridge.
@param This - Pointer to EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL instance.
@param Attributes - The mask of attributes to set.
@param ResourceBase - Pointer to the base address of the resource range
to be modified by the attributes specified by Attributes.
@param ResourceLength - Pointer to the length of the resource range to be modified.
@retval EFI_SUCCESS - Success.
@retval EFI_INVALID_PARAMETER - Invalid parameter found.
@retval EFI_OUT_OF_RESOURCES - Not enough resources to set the attributes upon.
**/
EFI_STATUS
EFIAPI
RootBridgeIoSetAttributes (
IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *This,
IN UINT64 Attributes,
IN OUT UINT64 *ResourceBase,
IN OUT UINT64 *ResourceLength
)
;
/**
Retrieves the current resource settings of this PCI root bridge
in the form of a set of ACPI 2.0 resource descriptor.
@param This - Pointer to the EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL instance.
@param Resources - Pointer to the ACPI 2.0 resource descriptor that
describe the current configuration of this PCI root
bridge.
@retval EFI_SUCCESS - Success.
@retval EFI_UNSUPPORTED - Current configuration of the PCI root bridge
@retval could not be retrieved.
**/
EFI_STATUS
EFIAPI
RootBridgeIoConfiguration (
IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *This,
OUT VOID **Resources
)
;
extern EFI_METRONOME_ARCH_PROTOCOL *mMetronome;
extern EFI_CPU_IO2_PROTOCOL *mCpuIo;
#endif

1561
MdeModulePkg/Bus/Pci/PciHostBridgeDxe/PciRootBridgeIo.c Normal file
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2
MdeModulePkg/MdeModulePkg.dsc
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@ -43,6 +43,7 @@
IoLib|MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsic.inf
PciLib|MdePkg/Library/BasePciLibCf8/BasePciLibCf8.inf
PciCf8Lib|MdePkg/Library/BasePciCf8Lib/BasePciCf8Lib.inf
PciSegmentLib|MdePkg/Library/BasePciSegmentLibPci/BasePciSegmentLibPci.inf
CacheMaintenanceLib|MdePkg/Library/BaseCacheMaintenanceLib/BaseCacheMaintenanceLib.inf
PeCoffLib|MdePkg/Library/BasePeCoffLib/BasePeCoffLib.inf
PeCoffGetEntryPointLib|MdePkg/Library/BasePeCoffGetEntryPointLib/BasePeCoffGetEntryPointLib.inf
@ -209,6 +210,7 @@
MdeModulePkg/Application/HelloWorld/HelloWorld.inf
MdeModulePkg/Application/MemoryProfileInfo/MemoryProfileInfo.inf
MdeModulePkg/Bus/Pci/PciHostBridgeDxe/PciHostBridgeDxe.inf
MdeModulePkg/Bus/Pci/PciSioSerialDxe/PciSioSerialDxe.inf
MdeModulePkg/Bus/Pci/PciBusDxe/PciBusDxe.inf
MdeModulePkg/Bus/Pci/IncompatiblePciDeviceSupportDxe/IncompatiblePciDeviceSupportDxe.inf