| /** @file | |
| UEFI Component Name(2) protocol implementation for iSCSI. | |
| Copyright (c) 2004 - 2015, 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 "IScsiImpl.h" | |
| // | |
| // EFI Component Name Protocol | |
| // | |
| GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL gIScsiComponentName = { | |
| IScsiComponentNameGetDriverName, | |
| IScsiComponentNameGetControllerName, | |
| "eng" | |
| }; | |
| // | |
| // EFI Component Name 2 Protocol | |
| // | |
| GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gIScsiComponentName2 = { | |
| (EFI_COMPONENT_NAME2_GET_DRIVER_NAME) IScsiComponentNameGetDriverName, | |
| (EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) IScsiComponentNameGetControllerName, | |
| "en" | |
| }; | |
| GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mIScsiDriverNameTable[] = { | |
| {"eng;en", L"iSCSI Driver"}, | |
| {NULL, NULL} | |
| }; | |
| GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE *mIScsiControllerNameTable = NULL; | |
| /** | |
| Retrieves a Unicode string that is the user readable name of the EFI Driver. | |
| This function retrieves the user readable name of a driver in the form of a | |
| Unicode string. If the driver specified by This has a user readable name in | |
| the language specified by Language, then a pointer to the driver name is | |
| returned in DriverName, and EFI_SUCCESS is returned. If the driver specified | |
| by This does not support the language specified by Language, | |
| then EFI_UNSUPPORTED is returned. | |
| @param[in] This A pointer to the EFI_COMPONENT_NAME_PROTOCOL instance. | |
| @param[in] 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[out] 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. | |
| **/ | |
| EFI_STATUS | |
| EFIAPI | |
| IScsiComponentNameGetDriverName ( | |
| IN EFI_COMPONENT_NAME_PROTOCOL *This, | |
| IN CHAR8 *Language, | |
| OUT CHAR16 **DriverName | |
| ) | |
| { | |
| return LookupUnicodeString2 ( | |
| Language, | |
| This->SupportedLanguages, | |
| mIScsiDriverNameTable, | |
| DriverName, | |
| (BOOLEAN)(This == &gIScsiComponentName) | |
| ); | |
| } | |
| /** | |
| Update the component name for the iSCSI instance. | |
| @param[in] IScsiExtScsiPassThru A pointer to the EFI_EXT_SCSI_PASS_THRU_PROTOCOL instance. | |
| @retval EFI_SUCCESS Update the ControllerNameTable of this instance successfully. | |
| @retval EFI_INVALID_PARAMETER The input parameter is invalid. | |
| @retval EFI_UNSUPPORTED Can't get the corresponding NIC info from the Controller handle. | |
| **/ | |
| EFI_STATUS | |
| UpdateName ( | |
| IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *IScsiExtScsiPassThru | |
| ) | |
| { | |
| EFI_STATUS Status; | |
| CHAR16 HandleName[150]; | |
| ISCSI_DRIVER_DATA *Private; | |
| EFI_MAC_ADDRESS MacAddress; | |
| UINTN HwAddressSize; | |
| UINT16 VlanId; | |
| CHAR16 MacString[70]; | |
| if (IScsiExtScsiPassThru == NULL) { | |
| return EFI_INVALID_PARAMETER; | |
| } | |
| Private = ISCSI_DRIVER_DATA_FROM_EXT_SCSI_PASS_THRU (IScsiExtScsiPassThru); | |
| // | |
| // Get the mac string, it's the name of various variable | |
| // | |
| Status = NetLibGetMacAddress (Private->Controller, &MacAddress, &HwAddressSize); | |
| if (EFI_ERROR (Status)) { | |
| return Status; | |
| } | |
| VlanId = NetLibGetVlanId (Private->Controller); | |
| IScsiMacAddrToStr (&MacAddress, (UINT32) HwAddressSize, VlanId, MacString); | |
| UnicodeSPrint ( | |
| HandleName, | |
| sizeof (HandleName), | |
| L"iSCSI IPv4 (MacString=%s)", | |
| MacString | |
| ); | |
| if (mIScsiControllerNameTable != NULL) { | |
| FreeUnicodeStringTable (mIScsiControllerNameTable); | |
| mIScsiControllerNameTable = NULL; | |
| } | |
| Status = AddUnicodeString2 ( | |
| "eng", | |
| gIScsiComponentName.SupportedLanguages, | |
| &mIScsiControllerNameTable, | |
| HandleName, | |
| TRUE | |
| ); | |
| if (EFI_ERROR (Status)) { | |
| return Status; | |
| } | |
| return AddUnicodeString2 ( | |
| "en", | |
| gIScsiComponentName2.SupportedLanguages, | |
| &mIScsiControllerNameTable, | |
| HandleName, | |
| FALSE | |
| ); | |
| } | |
| /** | |
| Retrieves a Unicode string that is the user readable name of the controller | |
| that is being managed by an EFI Driver.Currently not implemented. | |
| @param[in] This A pointer to the EFI_COMPONENT_NAME_PROTOCOL instance. | |
| @param[in] 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[in] 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[in] Language A pointer to a three character ISO 639-2 language | |
| identifier. This is the language of the controller 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[out] 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. | |
| **/ | |
| EFI_STATUS | |
| EFIAPI | |
| IScsiComponentNameGetControllerName ( | |
| IN EFI_COMPONENT_NAME_PROTOCOL *This, | |
| IN EFI_HANDLE ControllerHandle, | |
| IN EFI_HANDLE ChildHandle OPTIONAL, | |
| IN CHAR8 *Language, | |
| OUT CHAR16 **ControllerName | |
| ) | |
| { | |
| EFI_STATUS Status; | |
| EFI_HANDLE IScsiController; | |
| ISCSI_PRIVATE_PROTOCOL *IScsiIdentifier; | |
| EFI_EXT_SCSI_PASS_THRU_PROTOCOL *IScsiExtScsiPassThru; | |
| if (ControllerHandle == NULL) { | |
| return EFI_UNSUPPORTED; | |
| } | |
| // | |
| // Get the handle of the controller we are controling. | |
| // | |
| IScsiController = NetLibGetNicHandle (ControllerHandle, &gEfiTcp4ProtocolGuid); | |
| if (IScsiController == NULL) { | |
| return EFI_UNSUPPORTED; | |
| } | |
| Status = gBS->OpenProtocol ( | |
| IScsiController, | |
| &gEfiCallerIdGuid, | |
| (VOID **)&IScsiIdentifier, | |
| NULL, | |
| NULL, | |
| EFI_OPEN_PROTOCOL_GET_PROTOCOL | |
| ); | |
| if (EFI_ERROR (Status)) { | |
| return Status; | |
| } | |
| if (ChildHandle != NULL) { | |
| // | |
| // Make sure this driver produced ChildHandle | |
| // | |
| Status = EfiTestChildHandle ( | |
| ControllerHandle, | |
| ChildHandle, | |
| &gEfiTcp4ProtocolGuid | |
| ); | |
| if (!EFI_ERROR (Status)) { | |
| // | |
| // Retrieve an instance of a produced protocol from ChildHandle | |
| // | |
| Status = gBS->OpenProtocol ( | |
| ChildHandle, | |
| &gEfiExtScsiPassThruProtocolGuid, | |
| (VOID **)&IScsiExtScsiPassThru, | |
| NULL, | |
| NULL, | |
| EFI_OPEN_PROTOCOL_GET_PROTOCOL | |
| ); | |
| if (EFI_ERROR (Status)) { | |
| return Status; | |
| } | |
| // | |
| // Update the component name for this child handle. | |
| // | |
| Status = UpdateName (IScsiExtScsiPassThru); | |
| if (EFI_ERROR (Status)) { | |
| return Status; | |
| } | |
| } else { | |
| return Status; | |
| } | |
| } | |
| return LookupUnicodeString2 ( | |
| Language, | |
| This->SupportedLanguages, | |
| mIScsiControllerNameTable, | |
| ControllerName, | |
| (BOOLEAN)(This == &gIScsiComponentName) | |
| ); | |
| } | |