IntelFrameworkPkg/Include/Ppi/PciCfg.h File Reference


Data Structures

struct  _EFI_PEI_PCI_CFG_PPI

Defines

#define EFI_PEI_PCI_CFG_PPI_INSTALLED_GUID
#define PEI_PCI_CFG_ADDRESS(bus, dev, func, reg)

Typedefs

typedef struct _EFI_PEI_PCI_CFG_PPI EFI_PEI_PCI_CFG_PPI
typedef EFI_STATUS(EFIAPI * EFI_PEI_PCI_CFG_PPI_IO )(IN EFI_PEI_SERVICES **PeiServices, IN EFI_PEI_PCI_CFG_PPI *This, IN EFI_PEI_PCI_CFG_PPI_WIDTH Width, IN UINT64 Address, IN OUT VOID *Buffer)
typedef EFI_STATUS(EFIAPI * EFI_PEI_PCI_CFG_PPI_RW )(IN EFI_PEI_SERVICES **PeiServices, IN EFI_PEI_PCI_CFG_PPI *This, IN EFI_PEI_PCI_CFG_PPI_WIDTH Width, IN UINT64 Address, IN UINTN SetBits, IN UINTN ClearBits)

Variables

EFI_GUID gEfiPciCfgPpiInServiceTableGuid

Detailed Description

This file declares the PciCfg PPI used to access the PCI configuration space in PEI

Copyright (c) 2006 - 2010, 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 that 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.

Revision Reference:
This PPI is defined in PEI CIS Version 0.91.

Define Documentation

#define EFI_PEI_PCI_CFG_PPI_INSTALLED_GUID

Value:

{ \
    0xe1f2eba0, 0xf7b9, 0x4a26, {0x86, 0x20, 0x13, 0x12, 0x21, 0x64, 0x2a, 0x90 } \
  }

#define PEI_PCI_CFG_ADDRESS ( bus,
dev,
func,
reg   ) 

Value:

( \
      (UINT64) ((((UINTN) bus) << 24) + (((UINTN) dev) << 16) + (((UINTN) func) << 8) + ((UINTN) reg)) \
    ) & 0x00000000ffffffff


Typedef Documentation

typedef EFI_STATUS(EFIAPI * EFI_PEI_PCI_CFG_PPI_IO)(IN EFI_PEI_SERVICES **PeiServices, IN EFI_PEI_PCI_CFG_PPI *This, IN EFI_PEI_PCI_CFG_PPI_WIDTH Width, IN UINT64 Address, IN OUT VOID *Buffer)

PCI read and write operation.

Parameters:
PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.
This Pointer to local data for the interface.
Width The width of the access. Enumerated in bytes.
Address The physical address of the access.
Buffer A pointer to the buffer of data.
Return values:
EFI_SUCCESS The function completed successfully.
EFI_NOT_YET_AVAILABLE The service has not been installed.

typedef EFI_STATUS(EFIAPI * EFI_PEI_PCI_CFG_PPI_RW)(IN EFI_PEI_SERVICES **PeiServices, IN EFI_PEI_PCI_CFG_PPI *This, IN EFI_PEI_PCI_CFG_PPI_WIDTH Width, IN UINT64 Address, IN UINTN SetBits, IN UINTN ClearBits)

PCI read-modify-write operation.

Parameters:
PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.
This The pointer to local data for the interface.
Width The width of the access. Enumerated in bytes.
Address The physical address of the access.
SetBits Value of the bits to set.
ClearBits Value of the bits to clear.
Return values:
EFI_SUCCESS The function completed successfully.


Variable Documentation


Generated on Wed Sep 2 13:08:33 2015 for IntelFrameworkPkg[ALL] by  doxygen 1.5.7.1