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/** @file
Component Name code for the virtio-net driver.
Copyright (C) 2013, Red Hat, Inc.
Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include <Library/UefiLib.h>
#include "VirtioNet.h"
STATIC
EFI_UNICODE_STRING_TABLE mVirtioNetDriverNameTable[] = {
{ "eng;en", L"Virtio Network Driver" },
{ NULL, NULL }
};
STATIC
EFI_UNICODE_STRING_TABLE mVirtioNetControllerNameTable[] = {
{ "eng;en", L"Virtio Network Device" },
{ NULL, NULL }
};
/**
Retrieves a Unicode string that is the user-readable name of the EFI Driver.
@param This A pointer to the EFI_COMPONENT_NAME_PROTOCOL instance.
@param Language A pointer to a three-character ISO 639-2 language
identifier. This is the language of the driver name that
that the caller is requesting, and it must match one of
the languages specified in SupportedLanguages. The number
of languages supported by a driver is up to the driver
writer.
@param DriverName A pointer to the Unicode string to return. This Unicode
string is the name of the driver specified by This in the
language specified by Language.
@retval EFI_SUCCESS The Unicode string for the Driver specified by
This and the language specified by Language was
returned in DriverName.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER DriverName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
STATIC
EFI_STATUS
EFIAPI
VirtioNetGetDriverName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN CHAR8 *Language,
OUT CHAR16 **DriverName
)
{
return (Language == NULL || DriverName == NULL) ?
EFI_INVALID_PARAMETER :
LookupUnicodeString2 (
Language,
This->SupportedLanguages,
mVirtioNetDriverNameTable,
DriverName,
(BOOLEAN)(This == &gVirtioNetComponentName) // Iso639Language
);
}
/**
Retrieves a Unicode string that is the user readable name of the controller
that is being managed by an EFI Driver.
@param This A pointer to the EFI_COMPONENT_NAME_PROTOCOL
instance.
@param ControllerHandle The handle of a controller that the driver specified
by This is managing. This handle specifies the
controller whose name is to be returned.
@param ChildHandle The handle of the child controller to retrieve the
name of. This is an optional parameter that may be
NULL. It will be NULL for device drivers. It will
also be NULL for a bus drivers that wish to retrieve
the name of the bus controller. It will not be NULL
for a bus driver that wishes to retrieve the name of
a child controller.
@param Language A pointer to a three character ISO 639-2 language
identifier. This is the language of the controller
name that the caller is requesting, and it must
match one of the languages specified in
SupportedLanguages. The number of languages
supported by a driver is up to the driver writer.
@param ControllerName A pointer to the Unicode string to return. This
Unicode string is the name of the controller
specified by ControllerHandle and ChildHandle in the
language specified by Language, from the point of
view of the driver specified by This.
@retval EFI_SUCCESS The Unicode string for the user-readable name
in the language specified by Language for the
driver specified by This was returned in
DriverName.
@retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
EFI_HANDLE.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER ControllerName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This is not currently
managing the controller specified by
ControllerHandle and ChildHandle.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
STATIC
EFI_STATUS
EFIAPI
VirtioNetGetControllerName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle,
IN CHAR8 *Language,
OUT CHAR16 **ControllerName
)
{
EFI_STATUS Status;
if ((ControllerHandle == NULL) || (Language == NULL) || (ControllerName == NULL)) {
return EFI_INVALID_PARAMETER;
}
//
// This is a device driver, so ChildHandle must be NULL.
//
if (ChildHandle != NULL) {
return EFI_UNSUPPORTED;
}
//
// confirm that the device is managed by this driver, using the VirtIo
// Protocol
//
Status = EfiTestManagedDevice (
ControllerHandle,
gVirtioNetDriverBinding.DriverBindingHandle,
&gVirtioDeviceProtocolGuid
);
if (EFI_ERROR (Status)) {
return Status;
}
//
// we don't give different names to the bus (= parent) handle and the
// child (= MAC) handle
//
return LookupUnicodeString2 (
Language,
This->SupportedLanguages,
mVirtioNetControllerNameTable,
ControllerName,
(BOOLEAN)(This == &gVirtioNetComponentName) // Iso639Language
);
}
EFI_COMPONENT_NAME_PROTOCOL gVirtioNetComponentName = {
&VirtioNetGetDriverName,
&VirtioNetGetControllerName,
"eng" // SupportedLanguages, ISO 639-2 language codes
};
EFI_COMPONENT_NAME2_PROTOCOL gVirtioNetComponentName2 = {
(EFI_COMPONENT_NAME2_GET_DRIVER_NAME)&VirtioNetGetDriverName,
(EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME)&VirtioNetGetControllerName,
"en" // SupportedLanguages, RFC 4646 language codes
};
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