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/** @file
Definitions for the VirtIo MMIO Device Library
Copyright (C) 2013, ARM Ltd
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef _VIRTIO_MMIO_DEVICE_LIB_H_
#define _VIRTIO_MMIO_DEVICE_LIB_H_
/**
Initialize VirtIo Device and Install VIRTIO_DEVICE_PROTOCOL protocol
@param[in] BaseAddress Base Address of the VirtIo MMIO Device
@param[in] Handle Handle of the device the driver should be attached
to.
@retval EFI_SUCCESS The VirtIo Device has been installed
successfully.
@retval EFI_OUT_OF_RESOURCES The function failed to allocate memory required
by the Virtio MMIO device initialization.
@retval EFI_UNSUPPORTED BaseAddress does not point to a VirtIo MMIO
device.
@return Status code returned by InstallProtocolInterface
Boot Service function.
**/
EFI_STATUS
VirtioMmioInstallDevice (
IN PHYSICAL_ADDRESS BaseAddress,
IN EFI_HANDLE Handle
);
/**
Uninstall the VirtIo Device
@param[in] Handle Handle of the device where the VirtIo Device protocol
should have been installed.
@retval EFI_SUCCESS The device has been un-initialized successfully.
@return Status code returned by UninstallProtocolInterface
Boot Service function.
**/
EFI_STATUS
VirtioMmioUninstallDevice (
IN EFI_HANDLE Handle
);
#endif // _VIRTIO_MMIO_DEVICE_LIB_H_
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