audk/EdkCompatibilityPkg/Foundation/Framework/Ppi/PciCfg/PciCfg.h

66 lines
1.9 KiB
C

/*++
Copyright (c) 2004 - 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.
Module Name:
PciCfg.h
Abstract:
PciCfg PPI as defined in PEI CIS specification
Used to access PCI configuration space in PEI
--*/
#ifndef _PEI_PCI_CFG_H_
#define _PEI_PCI_CFG_H_
#include "EfiPciCfg.h"
#define PEI_PCI_CFG_PPI_GUID \
{ \
0xe1f2eba0, 0xf7b9, 0x4a26, {0x86, 0x20, 0x13, 0x12, 0x21, 0x64, 0x2a, 0x90} \
}
EFI_FORWARD_DECLARATION (PEI_PCI_CFG_PPI);
typedef
EFI_STATUS
(EFIAPI *PEI_PCI_CFG_PPI_IO) (
IN EFI_PEI_SERVICES **PeiServices,
IN PEI_PCI_CFG_PPI * This,
IN PEI_PCI_CFG_PPI_WIDTH Width,
IN UINT64 Address,
IN OUT VOID *Buffer
);
typedef
EFI_STATUS
(EFIAPI *PEI_PCI_CFG_PPI_RW) (
IN EFI_PEI_SERVICES **PeiServices,
IN PEI_PCI_CFG_PPI * This,
IN PEI_PCI_CFG_PPI_WIDTH Width,
IN UINT64 Address,
IN UINTN SetBits,
IN UINTN ClearBits
);
struct _PEI_PCI_CFG_PPI {
PEI_PCI_CFG_PPI_IO Read;
PEI_PCI_CFG_PPI_IO Write;
PEI_PCI_CFG_PPI_RW Modify;
};
extern EFI_GUID gPeiPciCfgPpiInServiceTableGuid;
#endif