mirror of https://github.com/acidanthera/audk.git
OvmfPkg: VirtioNetDxe: Component Name Protocol implementation
Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14407 6f19259b-4bc3-4df7-8a09-765794883524
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Laszlo Ersek
jljusten
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/** @file
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Component Name code for the virtio-net driver.
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Copyright (C) 2013, Red Hat, Inc.
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Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
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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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#include <Library/UefiLib.h>
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#include "VirtioNet.h"
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STATIC
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EFI_UNICODE_STRING_TABLE mVirtioNetDriverNameTable[] = {
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{ "eng;en", L"Virtio Network Driver" },
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{ NULL, NULL }
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};
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STATIC
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EFI_UNICODE_STRING_TABLE mVirtioNetControllerNameTable[] = {
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{ "eng;en", L"Virtio Network Device" },
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{ NULL, NULL }
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};
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/**
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Retrieves a Unicode string that is the user-readable name of the EFI Driver.
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@param This A pointer to the EFI_COMPONENT_NAME_PROTOCOL instance.
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@param Language A pointer to a three-character ISO 639-2 language
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identifier. This is the language of the driver name that
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that the caller is requesting, and it must match one of
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the languages specified in SupportedLanguages. The number
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of languages supported by a driver is up to the driver
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writer.
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@param DriverName A pointer to the Unicode string to return. This Unicode
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string is the name of the driver specified by This in the
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language specified by Language.
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@retval EFI_SUCCESS The Unicode string for the Driver specified by
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This and the language specified by Language was
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returned in DriverName.
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@retval EFI_INVALID_PARAMETER Language is NULL.
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@retval EFI_INVALID_PARAMETER DriverName is NULL.
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@retval EFI_UNSUPPORTED The driver specified by This does not support
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the language specified by Language.
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**/
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STATIC
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EFI_STATUS
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EFIAPI
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VirtioNetGetDriverName (
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IN EFI_COMPONENT_NAME_PROTOCOL *This,
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IN CHAR8 *Language,
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OUT CHAR16 **DriverName
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)
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{
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return (Language == NULL || DriverName == NULL) ?
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EFI_INVALID_PARAMETER :
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LookupUnicodeString2 (
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Language,
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This->SupportedLanguages,
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mVirtioNetDriverNameTable,
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DriverName,
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(BOOLEAN) (This == &gVirtioNetComponentName) // Iso639Language
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);
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}
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/**
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Retrieves a Unicode string that is the user readable name of the controller
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that is being managed by an EFI Driver.
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@param This A pointer to the EFI_COMPONENT_NAME_PROTOCOL
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instance.
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@param ControllerHandle The handle of a controller that the driver specified
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by This is managing. This handle specifies the
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controller whose name is to be returned.
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@param ChildHandle The handle of the child controller to retrieve the
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name of. This is an optional parameter that may be
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NULL. It will be NULL for device drivers. It will
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also be NULL for a bus drivers that wish to retrieve
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the name of the bus controller. It will not be NULL
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for a bus driver that wishes to retrieve the name of
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a child controller.
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@param Language A pointer to a three character ISO 639-2 language
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identifier. This is the language of the controller
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name that the caller is requesting, and it must
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match one of the languages specified in
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SupportedLanguages. The number of languages
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supported by a driver is up to the driver writer.
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@param ControllerName A pointer to the Unicode string to return. This
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Unicode string is the name of the controller
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specified by ControllerHandle and ChildHandle in the
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language specified by Language, from the point of
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view of the driver specified by This.
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@retval EFI_SUCCESS The Unicode string for the user-readable name
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in the language specified by Language for the
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driver specified by This was returned in
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DriverName.
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@retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
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@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
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EFI_HANDLE.
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@retval EFI_INVALID_PARAMETER Language is NULL.
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@retval EFI_INVALID_PARAMETER ControllerName is NULL.
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@retval EFI_UNSUPPORTED The driver specified by This is not currently
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managing the controller specified by
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ControllerHandle and ChildHandle.
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@retval EFI_UNSUPPORTED The driver specified by This does not support
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the language specified by Language.
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**/
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STATIC
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EFI_STATUS
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EFIAPI
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VirtioNetGetControllerName (
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IN EFI_COMPONENT_NAME_PROTOCOL *This,
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IN EFI_HANDLE ControllerHandle,
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IN EFI_HANDLE ChildHandle,
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IN CHAR8 *Language,
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OUT CHAR16 **ControllerName
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)
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{
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EFI_STATUS Status;
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if (ControllerHandle == NULL || Language == NULL || ControllerName == NULL) {
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return EFI_INVALID_PARAMETER;
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}
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//
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// confirm that the device is managed by this driver, using the PCI IO
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// Protocol
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//
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Status = EfiTestManagedDevice (
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ControllerHandle,
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gVirtioNetDriverBinding.DriverBindingHandle,
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&gEfiPciIoProtocolGuid
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);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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//
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// we don't give different names to the bus (= parent, = PCI) handle and the
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// child (= MAC) handle
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//
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return LookupUnicodeString2 (
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Language,
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This->SupportedLanguages,
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mVirtioNetControllerNameTable,
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ControllerName,
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(BOOLEAN) (This == &gVirtioNetComponentName) // Iso639Language
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);
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}
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EFI_COMPONENT_NAME_PROTOCOL gVirtioNetComponentName = {
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&VirtioNetGetDriverName,
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&VirtioNetGetControllerName,
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"eng" // SupportedLanguages, ISO 639-2 language codes
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};
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EFI_COMPONENT_NAME2_PROTOCOL gVirtioNetComponentName2 = {
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(EFI_COMPONENT_NAME2_GET_DRIVER_NAME) &VirtioNetGetDriverName,
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(EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) &VirtioNetGetControllerName,
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"en" // SupportedLanguages, RFC 4646 language codes
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};
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