mirror of https://github.com/acidanthera/audk.git
59 lines
1.7 KiB
C
59 lines
1.7 KiB
C
/** @file
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Library class layered on top of PciCapLib that allows clients to plug an
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EFI_PCI_IO_PROTOCOL backend into PciCapLib, for config space access.
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Copyright (C) 2018, Red Hat, Inc.
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This program and the accompanying materials are licensed and made available
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under the terms and conditions of the BSD License which accompanies this
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distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT
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WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef __PCI_CAP_PCI_IO_LIB_H__
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#define __PCI_CAP_PCI_IO_LIB_H__
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#include <Protocol/PciIo.h>
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#include <Library/PciCapLib.h>
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/**
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Create a PCI_CAP_DEV object from an EFI_PCI_IO_PROTOCOL instance. The config
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space accessors are based upon EFI_PCI_IO_PROTOCOL.Pci.Read() and
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EFI_PCI_IO_PROTOCOL.Pci.Write().
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@param[in] PciIo EFI_PCI_IO_PROTOCOL representation of the PCI device.
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@param[out] PciDevice The PCI_CAP_DEV object constructed as described above.
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PciDevice can be passed to the PciCapLib APIs.
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@retval EFI_SUCCESS PciDevice has been constructed and output.
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@retval EFI_OUT_OF_RESOURCES Memory allocation failed.
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**/
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EFI_STATUS
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EFIAPI
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PciCapPciIoDeviceInit (
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IN EFI_PCI_IO_PROTOCOL *PciIo,
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OUT PCI_CAP_DEV **PciDevice
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);
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/**
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Free the resources used by PciDevice.
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@param[in] PciDevice The PCI_CAP_DEV object to free, originally produced by
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PciCapPciIoDeviceInit().
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**/
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VOID
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EFIAPI
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PciCapPciIoDeviceUninit (
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IN PCI_CAP_DEV *PciDevice
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);
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#endif // __PCI_CAP_PCI_IO_LIB_H__
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