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280 lines
10 KiB
C
280 lines
10 KiB
C
/** @file
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UEFI Component Name and Name2 protocol for Isa serial driver.
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Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include "Serial.h"
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//
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// EFI Component Name Protocol
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//
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GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL gPciSioSerialComponentName = {
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SerialComponentNameGetDriverName,
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SerialComponentNameGetControllerName,
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"eng"
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};
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//
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// EFI Component Name 2 Protocol
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//
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GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gPciSioSerialComponentName2 = {
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(EFI_COMPONENT_NAME2_GET_DRIVER_NAME) SerialComponentNameGetDriverName,
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(EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) SerialComponentNameGetControllerName,
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"en"
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};
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GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mSerialDriverNameTable[] = {
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{
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"eng;en",
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L"PCI SIO Serial Driver"
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},
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{
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NULL,
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NULL
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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 driver.
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This function retrieves the user readable name of a driver in the form of a
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Unicode string. If the driver specified by This has a user readable name in
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the language specified by Language, then a pointer to the driver name is
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returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
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by This does not support the language specified by Language,
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then EFI_UNSUPPORTED is returned.
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@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
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EFI_COMPONENT_NAME_PROTOCOL instance.
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@param Language[in] A pointer to a Null-terminated ASCII string
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array indicating the language. This is the
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language of the driver name that the caller is
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requesting, and it must match one of the
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languages specified in SupportedLanguages. The
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number of languages supported by a driver is up
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to the driver writer. Language is specified
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in RFC 4646 or ISO 639-2 language code format.
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@param DriverName[out] A pointer to the Unicode string to return.
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This Unicode string is the name of the
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driver specified by This in the language
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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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EFI_STATUS
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EFIAPI
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SerialComponentNameGetDriverName (
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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 LookupUnicodeString2 (
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Language,
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This->SupportedLanguages,
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mSerialDriverNameTable,
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DriverName,
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(BOOLEAN)(This == &gPciSioSerialComponentName)
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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 a driver.
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This function retrieves the user readable name of the controller specified by
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ControllerHandle and ChildHandle in the form of a Unicode string. If the
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driver specified by This has a user readable name in the language specified by
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Language, then a pointer to the controller name is returned in ControllerName,
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and EFI_SUCCESS is returned. If the driver specified by This is not currently
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managing the controller specified by ControllerHandle and ChildHandle,
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then EFI_UNSUPPORTED is returned. If the driver specified by This does not
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support the language specified by Language, then EFI_UNSUPPORTED is returned.
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@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
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EFI_COMPONENT_NAME_PROTOCOL instance.
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@param ControllerHandle[in] The handle of a controller that the driver
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specified by This is managing. This handle
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specifies the controller whose name is to be
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returned.
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@param ChildHandle[in] The handle of the child controller to retrieve
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the name of. This is an optional parameter that
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may be NULL. It will be NULL for device
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drivers. It will also be NULL for a bus drivers
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that wish to retrieve the name of the bus
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controller. It will not be NULL for a bus
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driver that wishes to retrieve the name of a
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child controller.
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@param Language[in] A pointer to a Null-terminated ASCII string
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array indicating the language. This is the
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language of the driver name that the caller is
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requesting, and it must match one of the
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languages specified in SupportedLanguages. The
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number of languages supported by a driver is up
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to the driver writer. Language is specified in
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RFC 4646 or ISO 639-2 language code format.
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@param ControllerName[out] A pointer to the Unicode string to return.
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This Unicode string is the name of the
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controller specified by ControllerHandle and
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ChildHandle in the language specified by
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Language from the point of view of the driver
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specified by This.
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@retval EFI_SUCCESS The Unicode string for the user readable name in
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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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EFI_STATUS
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EFIAPI
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SerialComponentNameGetControllerName (
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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 OPTIONAL,
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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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EFI_SERIAL_IO_PROTOCOL *SerialIo;
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SERIAL_DEV *SerialDevice;
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EFI_UNICODE_STRING_TABLE *ControllerNameTable;
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EFI_GUID *IoProtocolGuid;
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//
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// Make sure this driver is currently managing ControllerHandle
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//
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IoProtocolGuid = &gEfiSioProtocolGuid;
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Status = EfiTestManagedDevice (
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ControllerHandle,
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gSerialControllerDriver.DriverBindingHandle,
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IoProtocolGuid
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);
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if (EFI_ERROR (Status)) {
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IoProtocolGuid = &gEfiPciIoProtocolGuid;
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Status = EfiTestManagedDevice (
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ControllerHandle,
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gSerialControllerDriver.DriverBindingHandle,
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IoProtocolGuid
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);
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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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ControllerNameTable = NULL;
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if (ChildHandle != NULL) {
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Status = EfiTestChildHandle (
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ControllerHandle,
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ChildHandle,
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IoProtocolGuid
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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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// Get the Serial I/O Protocol from the child handle
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//
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Status = gBS->OpenProtocol (
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ChildHandle,
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&gEfiSerialIoProtocolGuid,
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(VOID **) &SerialIo,
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gSerialControllerDriver.DriverBindingHandle,
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ChildHandle,
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EFI_OPEN_PROTOCOL_GET_PROTOCOL
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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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// Get the Serial Controller's Device structure
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//
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SerialDevice = SERIAL_DEV_FROM_THIS (SerialIo);
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ControllerNameTable = SerialDevice->ControllerNameTable;
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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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ControllerNameTable,
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ControllerName,
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(BOOLEAN)(This == &gPciSioSerialComponentName)
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);
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}
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/**
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Add the ISO639-2 and RFC4646 component name both for the Serial IO device
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@param SerialDevice A pointer to the SERIAL_DEV instance.
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@param Instance Instance ID for the serial device.
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**/
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VOID
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AddName (
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IN SERIAL_DEV *SerialDevice,
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IN UINT32 Instance
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)
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{
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CHAR16 SerialPortName[SERIAL_PORT_NAME_LEN];
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UnicodeSPrint (
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SerialPortName,
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sizeof (SerialPortName),
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(SerialDevice->PciDeviceInfo != NULL) ? PCI_SERIAL_PORT_NAME : SIO_SERIAL_PORT_NAME,
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Instance
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);
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AddUnicodeString2 (
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"eng",
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gPciSioSerialComponentName.SupportedLanguages,
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&SerialDevice->ControllerNameTable,
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SerialPortName,
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TRUE
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);
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AddUnicodeString2 (
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"en",
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gPciSioSerialComponentName2.SupportedLanguages,
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&SerialDevice->ControllerNameTable,
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SerialPortName,
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FALSE
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);
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}
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