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/** @file
Library class layered on top of PciCapLib that allows clients to plug an
EFI_PCI_IO_PROTOCOL backend into PciCapLib, for config space access.
Copyright (C) 2018, Red Hat, Inc.
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef __PCI_CAP_PCI_IO_LIB_H__
#define __PCI_CAP_PCI_IO_LIB_H__
#include <Protocol/PciIo.h>
#include <Library/PciCapLib.h>
/**
Create a PCI_CAP_DEV object from an EFI_PCI_IO_PROTOCOL instance. The config
space accessors are based upon EFI_PCI_IO_PROTOCOL.Pci.Read() and
EFI_PCI_IO_PROTOCOL.Pci.Write().
@param[in] PciIo EFI_PCI_IO_PROTOCOL representation of the PCI device.
@param[out] PciDevice The PCI_CAP_DEV object constructed as described above.
PciDevice can be passed to the PciCapLib APIs.
@retval EFI_SUCCESS PciDevice has been constructed and output.
@retval EFI_OUT_OF_RESOURCES Memory allocation failed.
**/
EFI_STATUS
EFIAPI
PciCapPciIoDeviceInit (
IN EFI_PCI_IO_PROTOCOL *PciIo,
OUT PCI_CAP_DEV **PciDevice
);
/**
Free the resources used by PciDevice.
@param[in] PciDevice The PCI_CAP_DEV object to free, originally produced by
PciCapPciIoDeviceInit().
**/
VOID
EFIAPI
PciCapPciIoDeviceUninit (
IN PCI_CAP_DEV *PciDevice
);
#endif // __PCI_CAP_PCI_IO_LIB_H__
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