VirtioMmioDeviceLib.h File Reference

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Functions
EFI_STATUS	VirtioMmioInstallDevice (IN PHYSICAL_ADDRESS BaseAddress, IN EFI_HANDLE Handle)
EFI_STATUS	VirtioMmioUninstallDevice (IN EFI_HANDLE Handle)

Detailed Description

Definitions for the VirtIo MMIO Device Library

Copyright (C) 2013, ARM Ltd

SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file VirtioMmioDeviceLib.h.

Function Documentation

VirtioMmioInstallDevice()

EFI_STATUS VirtioMmioInstallDevice	(	IN PHYSICAL_ADDRESS	BaseAddress,
		IN EFI_HANDLE	Handle
	)

Initialize VirtIo Device and Install VIRTIO_DEVICE_PROTOCOL protocol

Parameters

[in]	BaseAddress	Base Address of the VirtIo MMIO Device
[in]	Handle	Handle of the device the driver should be attached to.

Return values

EFI_SUCCESS	The VirtIo Device has been installed successfully.
EFI_OUT_OF_RESOURCES	The function failed to allocate memory required by the Virtio MMIO device initialization.
EFI_UNSUPPORTED	BaseAddress does not point to a VirtIo MMIO device.

Returns

Status code returned by InstallProtocolInterface Boot Service function.

Definition at line 131 of file VirtioMmioDevice.c.

VirtioMmioUninstallDevice()

EFI_STATUS VirtioMmioUninstallDevice

(

IN EFI_HANDLE

Handle

)

Uninstall the VirtIo Device

Parameters

[in]

Handle

Handle of the device where the VirtIo Device protocol should have been installed.

Return values

EFI_SUCCESS

The device has been un-initialized successfully.

Returns

Status code returned by UninstallProtocolInterface Boot Service function.

Definition at line 186 of file VirtioMmioDevice.c.