Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <ler...@redhat.com> --- OvmfPkg/VirtioNetDxe/ComponentName.c | 179 ++++++++++++++++++++++++++++++++++ 1 files changed, 179 insertions(+), 0 deletions(-) create mode 100644 OvmfPkg/VirtioNetDxe/ComponentName.c
diff --git a/OvmfPkg/VirtioNetDxe/ComponentName.c b/OvmfPkg/VirtioNetDxe/ComponentName.c new file mode 100644 index 0000000..458018a --- /dev/null +++ b/OvmfPkg/VirtioNetDxe/ComponentName.c @@ -0,0 +1,179 @@ +/** @file + + Component Name code for the virtio-net driver. + + Copyright (C) 2013, Red Hat, Inc. + + UEFI API documentation: + Copyright (c) 2006 - 2011, 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 <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; + } + + // + // confirm that the device is managed by this driver, using the PCI IO + // Protocol + // + Status = EfiTestManagedDevice ( + ControllerHandle, + gVirtioNetDriverBinding.DriverBindingHandle, + &gEfiPciIoProtocolGuid + ); + if (EFI_ERROR (Status)) { + return Status; + } + + // + // we don't give different names to the bus (= parent, = PCI) 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 +}; -- 1.7.1 ------------------------------------------------------------------------------ AlienVault Unified Security Management (USM) platform delivers complete security visibility with the essential security capabilities. 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