mirror of https://github.com/acidanthera/audk.git
60 lines
1.8 KiB
C
60 lines
1.8 KiB
C
/** @file
|
|
Include file of PciSegmentPciRootBridgeIo Library.
|
|
|
|
Copyright (c) 2007 - 2008, 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 __DXE_PCI_SEGMENT_LIB__
|
|
#define __DXE_PCI_SEGMENT_LIB__
|
|
|
|
#include <PiDxe.h>
|
|
|
|
#include <Protocol/PciRootBridgeIo.h>
|
|
|
|
#include <Library/PciSegmentLib.h>
|
|
#include <Library/BaseLib.h>
|
|
#include <Library/MemoryAllocationLib.h>
|
|
#include <Library/UefiBootServicesTableLib.h>
|
|
#include <Library/DebugLib.h>
|
|
|
|
#include <IndustryStandard/Acpi.h>
|
|
|
|
typedef struct {
|
|
EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *PciRootBridgeIo;
|
|
UINT32 SegmentNumber;
|
|
UINT64 MinBusNumber;
|
|
UINT64 MaxBusNumber;
|
|
} PCI_ROOT_BRIDGE_DATA;
|
|
|
|
/**
|
|
Assert the validity of a PCI Segment address.
|
|
A valid PCI address should not contain 1's in bits 31:28
|
|
|
|
@param A The address to validate.
|
|
@param M Additional bits to assert to be zero.
|
|
|
|
**/
|
|
#define ASSERT_INVALID_PCI_SEGMENT_ADDRESS(A,M) \
|
|
ASSERT (((A) & (0xf0000000 | (M))) == 0)
|
|
|
|
/**
|
|
Translate PCI Lib address into format of PCI Root Bridge I/O Protocol
|
|
|
|
@param A Address that encodes the PCI Bus, Device, Function and
|
|
Register.
|
|
|
|
**/
|
|
#define PCI_TO_PCI_ROOT_BRIDGE_IO_ADDRESS(A) \
|
|
((((UINT32)(A) << 4) & 0xff000000) | (((UINT32)(A) >> 4) & 0x00000700) | (((UINT32)(A) << 1) & 0x001f0000) | (LShiftU64((A) & 0xfff, 32)))
|
|
|
|
#endif
|