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443 lines
17 KiB
C
443 lines
17 KiB
C
/** @file
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UEFI Component Name(2) protocol implementation for Dhcp6 driver.
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Copyright (c) 2009 - 2018, 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 "Dhcp6Impl.h"
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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[in] This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
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EFI_COMPONENT_NAME_PROTOCOL instance.
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@param[in] Language 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[out] DriverName 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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Dhcp6ComponentNameGetDriverName (
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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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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[in] This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
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EFI_COMPONENT_NAME_PROTOCOL instance.
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@param[in] ControllerHandle 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[in] ChildHandle 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 attempt 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 attempts to retrieve the name of a
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child controller.
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@param[in] Language 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[out] ControllerName 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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Dhcp6ComponentNameGetControllerName (
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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 Component Name Protocol
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//
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GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL gDhcp6ComponentName = {
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Dhcp6ComponentNameGetDriverName,
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Dhcp6ComponentNameGetControllerName,
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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 gDhcp6ComponentName2 = {
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(EFI_COMPONENT_NAME2_GET_DRIVER_NAME) Dhcp6ComponentNameGetDriverName,
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(EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) Dhcp6ComponentNameGetControllerName,
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"en"
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};
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GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mDhcp6DriverNameTable[] = {
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{
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"eng;en",
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L"DHCP6 Protocol 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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GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE *gDhcp6ControllerNameTable = NULL;
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CHAR16 *mDhcp6ControllerName[] = {
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L"DHCPv6 (State=0, Init)",
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L"DHCPv6 (State=1, Selecting)",
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L"DHCPv6 (State=2, Requesting)",
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L"DHCPv6 (State=3, Declining)",
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L"DHCPv6 (State=4, Confirming)",
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L"DHCPv6 (State=5, Releasing)",
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L"DHCPv6 (State=6, Bound)",
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L"DHCPv6 (State=7, Renewing)",
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L"DHCPv6 (State=8, Rebinding)"
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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[in] This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
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EFI_COMPONENT_NAME_PROTOCOL instance.
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@param[in] Language 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[out] DriverName 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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Dhcp6ComponentNameGetDriverName (
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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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mDhcp6DriverNameTable,
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DriverName,
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(BOOLEAN)(This == &gDhcp6ComponentName)
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);
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}
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/**
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Update the component name for the Dhcp6 child handle.
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@param Dhcp6[in] A pointer to the EFI_DHCP6_PROTOCOL.
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@retval EFI_SUCCESS Update the ControllerNameTable of this instance successfully.
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@retval EFI_INVALID_PARAMETER The input parameter is invalid.
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**/
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EFI_STATUS
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UpdateName (
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IN EFI_DHCP6_PROTOCOL *Dhcp6
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)
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{
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EFI_STATUS Status;
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EFI_DHCP6_MODE_DATA Dhcp6ModeData;
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CHAR16 *HandleName;
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if (Dhcp6 == NULL) {
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return EFI_INVALID_PARAMETER;
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}
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//
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// Format the child name into the string buffer.
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//
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Status = Dhcp6->GetModeData (Dhcp6, &Dhcp6ModeData, NULL);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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if (gDhcp6ControllerNameTable != NULL) {
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FreeUnicodeStringTable (gDhcp6ControllerNameTable);
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gDhcp6ControllerNameTable = NULL;
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}
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if (Dhcp6ModeData.Ia == NULL) {
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HandleName = L"DHCPv6 (No configured IA)";
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} else {
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if (Dhcp6ModeData.Ia->State > Dhcp6Rebinding) {
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return EFI_DEVICE_ERROR;
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}
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HandleName = mDhcp6ControllerName[Dhcp6ModeData.Ia->State];
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}
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if (Dhcp6ModeData.Ia != NULL) {
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FreePool (Dhcp6ModeData.Ia);
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}
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if (Dhcp6ModeData.ClientId != NULL) {
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FreePool (Dhcp6ModeData.ClientId);
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}
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Status = AddUnicodeString2 (
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"eng",
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gDhcp6ComponentName.SupportedLanguages,
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&gDhcp6ControllerNameTable,
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HandleName,
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TRUE
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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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return AddUnicodeString2 (
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"en",
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gDhcp6ComponentName2.SupportedLanguages,
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&gDhcp6ControllerNameTable,
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HandleName,
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FALSE
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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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|
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This function retrieves the user-readable name of the controller specified by
|
|
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[in] This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
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EFI_COMPONENT_NAME_PROTOCOL instance.
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@param[in] ControllerHandle 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[in] ChildHandle 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[in] Language 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
|
|
number of languages supported by a driver is up
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|
to the driver writer. Language is specified in the
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RFC 4646 or ISO 639-2 language code format.
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@param[out] ControllerName 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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Dhcp6ComponentNameGetControllerName (
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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_DHCP6_PROTOCOL *Dhcp6;
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//
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// Only provide names for child handles.
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//
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if (ChildHandle == NULL) {
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return EFI_UNSUPPORTED;
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}
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//
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// Make sure this driver produced ChildHandle
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//
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Status = EfiTestChildHandle (
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ControllerHandle,
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ChildHandle,
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&gEfiUdp6ProtocolGuid
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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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// Retrieve an instance of a produced protocol from ChildHandle
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//
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Status = gBS->OpenProtocol (
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ChildHandle,
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&gEfiDhcp6ProtocolGuid,
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(VOID **)&Dhcp6,
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NULL,
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NULL,
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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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// Update the component name for this child handle.
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//
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Status = UpdateName (Dhcp6);
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if (EFI_ERROR (Status)) {
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return Status;
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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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gDhcp6ControllerNameTable,
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ControllerName,
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(BOOLEAN)(This == &gDhcp6ComponentName)
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);
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}
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