audk/OvmfPkg/VirtioNetDxe/SnpUnsupported.c

161 lines
5.9 KiB
C

/** @file
Empty implementation of the SNP methods that dependent protocols don't
absolutely need and the UEFI-2.3.1+errC specification allows us not to
support.
Copyright (C) 2013, Red Hat, Inc.
Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
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.
**/
#include "VirtioNet.h"
/**
Resets a network adapter and re-initializes it with the parameters that were
provided in the previous call to Initialize().
@param This The protocol instance pointer.
@param ExtendedVerification Indicates that the driver may perform a more
exhaustive verification operation of the device
during reset.
@retval EFI_SUCCESS The network interface was reset.
@retval EFI_NOT_STARTED The network interface has not been started.
@retval EFI_INVALID_PARAMETER One or more of the parameters has an
unsupported value.
@retval EFI_DEVICE_ERROR The command could not be sent to the network
interface.
@retval EFI_UNSUPPORTED This function is not supported by the network
interface.
**/
EFI_STATUS
EFIAPI
VirtioNetReset (
IN EFI_SIMPLE_NETWORK_PROTOCOL *This,
IN BOOLEAN ExtendedVerification
)
{
return EFI_UNSUPPORTED;
}
/**
Modifies or resets the current station address, if supported.
@param This The protocol instance pointer.
@param Reset Flag used to reset the station address to the network
interfaces permanent address.
@param New The new station address to be used for the network interface.
@retval EFI_SUCCESS The network interfaces station address was
updated.
@retval EFI_NOT_STARTED The network interface has not been started.
@retval EFI_INVALID_PARAMETER One or more of the parameters has an
unsupported value.
@retval EFI_DEVICE_ERROR The command could not be sent to the network
interface.
@retval EFI_UNSUPPORTED This function is not supported by the network
interface.
**/
EFI_STATUS
EFIAPI
VirtioNetStationAddress (
IN EFI_SIMPLE_NETWORK_PROTOCOL *This,
IN BOOLEAN Reset,
IN EFI_MAC_ADDRESS *New OPTIONAL
)
{
return EFI_UNSUPPORTED;
}
/**
Resets or collects the statistics on a network interface.
@param This Protocol instance pointer.
@param Reset Set to TRUE to reset the statistics for the network
interface.
@param StatisticsSize On input the size, in bytes, of StatisticsTable. On
output the size, in bytes, of the resulting table of
statistics.
@param StatisticsTable A pointer to the EFI_NETWORK_STATISTICS structure
that contains the statistics.
@retval EFI_SUCCESS The statistics were collected from the network
interface.
@retval EFI_NOT_STARTED The network interface has not been started.
@retval EFI_BUFFER_TOO_SMALL The Statistics buffer was too small. The
current buffer size needed to hold the
statistics is returned in StatisticsSize.
@retval EFI_INVALID_PARAMETER One or more of the parameters has an
unsupported value.
@retval EFI_DEVICE_ERROR The command could not be sent to the network
interface.
@retval EFI_UNSUPPORTED This function is not supported by the network
interface.
**/
EFI_STATUS
EFIAPI
VirtioNetStatistics (
IN EFI_SIMPLE_NETWORK_PROTOCOL *This,
IN BOOLEAN Reset,
IN OUT UINTN *StatisticsSize OPTIONAL,
OUT EFI_NETWORK_STATISTICS *StatisticsTable OPTIONAL
)
{
return EFI_UNSUPPORTED;
}
/**
Performs read and write operations on the NVRAM device attached to a network
interface.
@param This The protocol instance pointer.
@param ReadWrite TRUE for read operations, FALSE for write operations.
@param Offset Byte offset in the NVRAM device at which to start the read
or write operation. This must be a multiple of
NvRamAccessSize and less than NvRamSize.
@param BufferSize The number of bytes to read or write from the NVRAM
device. This must also be a multiple of NvramAccessSize.
@param Buffer A pointer to the data buffer.
@retval EFI_SUCCESS The NVRAM access was performed.
@retval EFI_NOT_STARTED The network interface has not been started.
@retval EFI_INVALID_PARAMETER One or more of the parameters has an
unsupported value.
@retval EFI_DEVICE_ERROR The command could not be sent to the network
interface.
@retval EFI_UNSUPPORTED This function is not supported by the network
interface.
**/
EFI_STATUS
EFIAPI
VirtioNetNvData (
IN EFI_SIMPLE_NETWORK_PROTOCOL *This,
IN BOOLEAN ReadWrite,
IN UINTN Offset,
IN UINTN BufferSize,
IN OUT VOID *Buffer
)
{
return EFI_UNSUPPORTED;
}