| /** @file | |
| The entry point of IScsi driver. | |
| Copyright (c) 2004 - 2016, 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_DRIVER_BINDING_PROTOCOL gIScsiDriverBinding = { | |
| IScsiDriverBindingSupported, | |
| IScsiDriverBindingStart, | |
| IScsiDriverBindingStop, | |
| 0xa, | |
| NULL, | |
| NULL | |
| }; | |
| /** | |
| Tests to see if this driver supports the RemainingDevicePath. | |
| @param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This | |
| parameter is ignored by device drivers, and is optional for bus | |
| drivers. For bus drivers, if this parameter is not NULL, then | |
| the bus driver must determine if the bus controller specified | |
| by ControllerHandle and the child controller specified | |
| by RemainingDevicePath are both supported by this | |
| bus driver. | |
| @retval EFI_SUCCESS The RemainingDevicePath is supported or NULL. | |
| @retval EFI_UNSUPPORTED The device specified by ControllerHandle and | |
| RemainingDevicePath is not supported by the driver specified by This. | |
| **/ | |
| EFI_STATUS | |
| IScsiIsDevicePathSupported ( | |
| IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL | |
| ) | |
| { | |
| EFI_DEVICE_PATH_PROTOCOL *CurrentDevicePath; | |
| CurrentDevicePath = RemainingDevicePath; | |
| if (CurrentDevicePath != NULL) { | |
| while (!IsDevicePathEnd (CurrentDevicePath)) { | |
| if ((CurrentDevicePath->Type == MESSAGING_DEVICE_PATH) && (CurrentDevicePath->SubType == MSG_ISCSI_DP)) { | |
| return EFI_SUCCESS; | |
| } | |
| CurrentDevicePath = NextDevicePathNode (CurrentDevicePath); | |
| } | |
| return EFI_UNSUPPORTED; | |
| } | |
| return EFI_SUCCESS; | |
| } | |
| /** | |
| Tests to see if this driver supports a given controller. If a child device is provided, | |
| it further tests to see if this driver supports creating a handle for the specified child device. | |
| @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance. | |
| @param[in] ControllerHandle The handle of the controller to test. This handle | |
| must support a protocol interface that supplies | |
| an I/O abstraction to the driver. | |
| @param[in] RemainingDevicePath A pointer to the remaining portion of a device path. | |
| This parameter is ignored by device drivers, and is optional for bus drivers. | |
| @retval EFI_SUCCESS The device specified by ControllerHandle and | |
| RemainingDevicePath is supported by the driver specified by This. | |
| @retval EFI_ALREADY_STARTED The device specified by ControllerHandle and | |
| RemainingDevicePath is already being managed by the driver | |
| specified by This. | |
| @retval EFI_ACCESS_DENIED The device specified by ControllerHandle and | |
| RemainingDevicePath is already being managed by a different | |
| driver or an application that requires exclusive acces. | |
| Currently not implemented. | |
| @retval EFI_UNSUPPORTED The device specified by ControllerHandle and | |
| RemainingDevicePath is not supported by the driver specified by This. | |
| **/ | |
| EFI_STATUS | |
| EFIAPI | |
| IScsiDriverBindingSupported ( | |
| IN EFI_DRIVER_BINDING_PROTOCOL *This, | |
| IN EFI_HANDLE ControllerHandle, | |
| IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL | |
| ) | |
| { | |
| EFI_STATUS Status; | |
| Status = gBS->OpenProtocol ( | |
| ControllerHandle, | |
| &gEfiCallerIdGuid, | |
| NULL, | |
| This->DriverBindingHandle, | |
| ControllerHandle, | |
| EFI_OPEN_PROTOCOL_TEST_PROTOCOL | |
| ); | |
| if (!EFI_ERROR (Status)) { | |
| return EFI_ALREADY_STARTED; | |
| } | |
| Status = gBS->OpenProtocol ( | |
| ControllerHandle, | |
| &gEfiTcp4ServiceBindingProtocolGuid, | |
| NULL, | |
| This->DriverBindingHandle, | |
| ControllerHandle, | |
| EFI_OPEN_PROTOCOL_TEST_PROTOCOL | |
| ); | |
| if (EFI_ERROR (Status)) { | |
| return EFI_UNSUPPORTED; | |
| } | |
| Status = IScsiIsDevicePathSupported (RemainingDevicePath); | |
| if (EFI_ERROR (Status)) { | |
| return EFI_UNSUPPORTED; | |
| } | |
| if (IScsiDhcpIsConfigured (ControllerHandle)) { | |
| Status = gBS->OpenProtocol ( | |
| ControllerHandle, | |
| &gEfiDhcp4ServiceBindingProtocolGuid, | |
| NULL, | |
| This->DriverBindingHandle, | |
| ControllerHandle, | |
| EFI_OPEN_PROTOCOL_TEST_PROTOCOL | |
| ); | |
| if (EFI_ERROR (Status)) { | |
| return EFI_UNSUPPORTED; | |
| } | |
| } | |
| return EFI_SUCCESS; | |
| } | |
| /** | |
| Start this driver on ControllerHandle. | |
| The Start() function is designed to be invoked from the EFI boot service ConnectController(). | |
| As a result, much of the error checking on the parameters to Start() has been moved into this | |
| common boot service. It is legal to call Start() from other locations, but the following calling | |
| restrictions must be followed or the system behavior will not be deterministic. | |
| 1. ControllerHandle must be a valid EFI_HANDLE. | |
| 2. If RemainingDevicePath is not NULL, then it must be a pointer to a naturally aligned | |
| EFI_DEVICE_PATH_PROTOCOL. | |
| 3. Prior to calling Start(), the Supported() function for the driver specified by This must | |
| have been called with the same calling parameters, and Supported() must have returned EFI_SUCCESS. | |
| @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance. | |
| @param[in] ControllerHandle The handle of the controller to start. This handle | |
| must support a protocol interface that supplies | |
| an I/O abstraction to the driver. | |
| @param[in] RemainingDevicePath A pointer to the remaining portion of a device path. | |
| This parameter is ignored by device drivers, and is optional for bus drivers. | |
| @retval EFI_SUCCESS The device was started. | |
| @retval EFI_DEVICE_ERROR The device could not be started due to a device error. | |
| Currently not implemented. | |
| @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources. | |
| @retval Others The driver failded to start the device. | |
| **/ | |
| EFI_STATUS | |
| EFIAPI | |
| IScsiDriverBindingStart ( | |
| IN EFI_DRIVER_BINDING_PROTOCOL *This, | |
| IN EFI_HANDLE ControllerHandle, | |
| IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL | |
| ) | |
| { | |
| EFI_STATUS Status; | |
| ISCSI_DRIVER_DATA *Private; | |
| VOID *Interface; | |
| Private = IScsiCreateDriverData (This->DriverBindingHandle, ControllerHandle); | |
| if (Private == NULL) { | |
| return EFI_OUT_OF_RESOURCES; | |
| } | |
| // | |
| // Create a underlayer child instance, but not need to configure it. Just open ChildHandle | |
| // via BY_DRIVER. That is, establishing the relationship between ControllerHandle and ChildHandle. | |
| // Therefore, when DisconnectController(), especially VLAN virtual controller handle, | |
| // IScsiDriverBindingStop() will be called. | |
| // | |
| Status = NetLibCreateServiceChild ( | |
| ControllerHandle, | |
| This->DriverBindingHandle, | |
| &gEfiTcp4ServiceBindingProtocolGuid, | |
| &Private->ChildHandle | |
| ); | |
| if (EFI_ERROR (Status)) { | |
| goto ON_ERROR; | |
| } | |
| Status = gBS->OpenProtocol ( | |
| Private->ChildHandle, | |
| &gEfiTcp4ProtocolGuid, | |
| &Interface, | |
| This->DriverBindingHandle, | |
| ControllerHandle, | |
| EFI_OPEN_PROTOCOL_BY_DRIVER | |
| ); | |
| if (EFI_ERROR (Status)) { | |
| goto ON_ERROR; | |
| } | |
| // | |
| // Always install private protocol no matter what happens later. We need to | |
| // keep the relationship between ControllerHandle and ChildHandle. | |
| // | |
| Status = gBS->InstallProtocolInterface ( | |
| &ControllerHandle, | |
| &gEfiCallerIdGuid, | |
| EFI_NATIVE_INTERFACE, | |
| &Private->IScsiIdentifier | |
| ); | |
| if (EFI_ERROR (Status)) { | |
| goto ON_ERROR; | |
| } | |
| // | |
| // Try to add a port configuration page for this controller. | |
| // | |
| IScsiConfigUpdateForm (This->DriverBindingHandle, ControllerHandle, TRUE); | |
| // | |
| // Get the iSCSI configuration data of this controller. | |
| // | |
| Status = IScsiGetConfigData (Private); | |
| if (EFI_ERROR (Status)) { | |
| goto ON_ERROR; | |
| } | |
| // | |
| // Try to login and create an iSCSI session according to the configuration. | |
| // | |
| Status = IScsiSessionLogin (Private); | |
| if (Status == EFI_MEDIA_CHANGED) { | |
| // | |
| // The specified target is not available and the redirection information is | |
| // got, login the session again with the updated target address. | |
| // | |
| Status = IScsiSessionLogin (Private); | |
| } | |
| if (EFI_ERROR (Status)) { | |
| goto ON_ERROR; | |
| } | |
| // | |
| // Duplicate the Session's tcp connection device path. The source port field | |
| // will be set to zero as one iSCSI session is comprised of several iSCSI | |
| // connections. | |
| // | |
| Private->DevicePath = IScsiGetTcpConnDevicePath (Private); | |
| if (Private->DevicePath == NULL) { | |
| goto ON_ERROR; | |
| } | |
| // | |
| // Install the updated device path onto the ExtScsiPassThruHandle. | |
| // | |
| Status = gBS->InstallProtocolInterface ( | |
| &Private->ExtScsiPassThruHandle, | |
| &gEfiDevicePathProtocolGuid, | |
| EFI_NATIVE_INTERFACE, | |
| Private->DevicePath | |
| ); | |
| if (EFI_ERROR (Status)) { | |
| goto ON_ERROR; | |
| } | |
| // | |
| // ISCSI children should share the default Tcp child, just open the default Tcp child via BY_CHILD_CONTROLLER. | |
| // | |
| Status = gBS->OpenProtocol ( | |
| Private->ChildHandle, /// Default Tcp child | |
| &gEfiTcp4ProtocolGuid, | |
| &Interface, | |
| This->DriverBindingHandle, | |
| Private->ExtScsiPassThruHandle, | |
| EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER | |
| ); | |
| if (EFI_ERROR (Status)) { | |
| gBS->UninstallMultipleProtocolInterfaces ( | |
| Private->ExtScsiPassThruHandle, | |
| &gEfiExtScsiPassThruProtocolGuid, | |
| &Private->IScsiExtScsiPassThru, | |
| &gEfiDevicePathProtocolGuid, | |
| Private->DevicePath, | |
| NULL | |
| ); | |
| goto ON_ERROR; | |
| } | |
| // | |
| // Update/Publish the iSCSI Boot Firmware Table. | |
| // | |
| IScsiPublishIbft (); | |
| return EFI_SUCCESS; | |
| ON_ERROR: | |
| IScsiSessionAbort (&Private->Session); | |
| return Status; | |
| } | |
| /** | |
| Stop this driver on ControllerHandle. | |
| Release the control of this controller and remove the IScsi functions. The Stop() | |
| function is designed to be invoked from the EFI boot service DisconnectController(). | |
| As a result, much of the error checking on the parameters to Stop() has been moved | |
| into this common boot service. It is legal to call Stop() from other locations, | |
| but the following calling restrictions must be followed or the system behavior will not be deterministic. | |
| 1. ControllerHandle must be a valid EFI_HANDLE that was used on a previous call to this | |
| same driver's Start() function. | |
| 2. The first NumberOfChildren handles of ChildHandleBuffer must all be a valid | |
| EFI_HANDLE. In addition, all of these handles must have been created in this driver's | |
| Start() function, and the Start() function must have called OpenProtocol() on | |
| ControllerHandle with an Attribute of EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER. | |
| @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance. | |
| @param[in] ControllerHandle A handle to the device being stopped. The handle must | |
| support a bus specific I/O protocol for the driver | |
| to use to stop the device. | |
| @param[in] NumberOfChildren The number of child device handles in ChildHandleBuffer.Not used. | |
| @param[in] ChildHandleBuffer An array of child handles to be freed. May be NULL | |
| if NumberOfChildren is 0.Not used. | |
| @retval EFI_SUCCESS The device was stopped. | |
| @retval EFI_DEVICE_ERROR The device could not be stopped due to a device error. | |
| @retval EFI_INVALID_PARAMETER Child handle is NULL. | |
| @retval EFI_ACCESS_DENIED The protocol could not be removed from the Handle | |
| because its interfaces are being used. | |
| **/ | |
| EFI_STATUS | |
| EFIAPI | |
| IScsiDriverBindingStop ( | |
| IN EFI_DRIVER_BINDING_PROTOCOL *This, | |
| IN EFI_HANDLE ControllerHandle, | |
| IN UINTN NumberOfChildren, | |
| IN EFI_HANDLE *ChildHandleBuffer OPTIONAL | |
| ) | |
| { | |
| EFI_HANDLE IScsiController; | |
| EFI_STATUS Status; | |
| ISCSI_PRIVATE_PROTOCOL *IScsiIdentifier; | |
| ISCSI_DRIVER_DATA *Private; | |
| EFI_EXT_SCSI_PASS_THRU_PROTOCOL *PassThru; | |
| ISCSI_CONNECTION *Conn; | |
| if (NumberOfChildren != 0) { | |
| // | |
| // We should have only one child. | |
| // | |
| Status = gBS->OpenProtocol ( | |
| ChildHandleBuffer[0], | |
| &gEfiExtScsiPassThruProtocolGuid, | |
| (VOID **) &PassThru, | |
| This->DriverBindingHandle, | |
| ControllerHandle, | |
| EFI_OPEN_PROTOCOL_GET_PROTOCOL | |
| ); | |
| if (EFI_ERROR (Status)) { | |
| return EFI_DEVICE_ERROR; | |
| } | |
| Private = ISCSI_DRIVER_DATA_FROM_EXT_SCSI_PASS_THRU (PassThru); | |
| Conn = NET_LIST_HEAD (&Private->Session.Conns, ISCSI_CONNECTION, Link); | |
| // | |
| // Previously the TCP4 protocol is opened BY_CHILD_CONTROLLER. Just close | |
| // the protocol here but not uninstall the device path protocol and | |
| // EXT SCSI PASS THRU protocol installed on ExtScsiPassThruHandle. | |
| // | |
| gBS->CloseProtocol ( | |
| Private->ChildHandle, | |
| &gEfiTcp4ProtocolGuid, | |
| Private->Image, | |
| Private->ExtScsiPassThruHandle | |
| ); | |
| gBS->CloseProtocol ( | |
| Conn->Tcp4Io.Handle, | |
| &gEfiTcp4ProtocolGuid, | |
| Private->Image, | |
| Private->ExtScsiPassThruHandle | |
| ); | |
| return EFI_SUCCESS; | |
| } | |
| // | |
| // Get the handle of the controller we are controling. | |
| // | |
| IScsiController = NetLibGetNicHandle (ControllerHandle, &gEfiTcp4ProtocolGuid); | |
| Status = gBS->OpenProtocol ( | |
| IScsiController, | |
| &gEfiCallerIdGuid, | |
| (VOID **)&IScsiIdentifier, | |
| This->DriverBindingHandle, | |
| ControllerHandle, | |
| EFI_OPEN_PROTOCOL_GET_PROTOCOL | |
| ); | |
| if (EFI_ERROR (Status)) { | |
| return EFI_DEVICE_ERROR; | |
| } | |
| Private = ISCSI_DRIVER_DATA_FROM_IDENTIFIER (IScsiIdentifier); | |
| if (Private->ChildHandle != NULL) { | |
| Status = gBS->CloseProtocol ( | |
| Private->ChildHandle, | |
| &gEfiTcp4ProtocolGuid, | |
| This->DriverBindingHandle, | |
| IScsiController | |
| ); | |
| ASSERT (!EFI_ERROR (Status)); | |
| Status = NetLibDestroyServiceChild ( | |
| IScsiController, | |
| This->DriverBindingHandle, | |
| &gEfiTcp4ServiceBindingProtocolGuid, | |
| Private->ChildHandle | |
| ); | |
| ASSERT (!EFI_ERROR (Status)); | |
| } | |
| IScsiConfigUpdateForm (This->DriverBindingHandle, IScsiController, FALSE); | |
| // | |
| // Uninstall the private protocol. | |
| // | |
| gBS->UninstallProtocolInterface ( | |
| IScsiController, | |
| &gEfiCallerIdGuid, | |
| &Private->IScsiIdentifier | |
| ); | |
| // | |
| // Update the iSCSI Boot Firware Table. | |
| // | |
| IScsiPublishIbft (); | |
| IScsiSessionAbort (&Private->Session); | |
| Status = IScsiCleanDriverData (Private); | |
| if (EFI_ERROR (Status)) { | |
| return Status; | |
| } | |
| return EFI_SUCCESS; | |
| } | |
| /** | |
| Unloads an image(the iSCSI driver). | |
| @param[in] ImageHandle Handle that identifies the image to be unloaded. | |
| @retval EFI_SUCCESS The image has been unloaded. | |
| @retval Others Other errors as indicated. | |
| **/ | |
| EFI_STATUS | |
| EFIAPI | |
| EfiIScsiUnload ( | |
| IN EFI_HANDLE ImageHandle | |
| ) | |
| { | |
| EFI_STATUS Status; | |
| UINTN DeviceHandleCount; | |
| EFI_HANDLE *DeviceHandleBuffer; | |
| UINTN Index; | |
| EFI_COMPONENT_NAME_PROTOCOL *ComponentName; | |
| EFI_COMPONENT_NAME2_PROTOCOL *ComponentName2; | |
| // | |
| // Try to disonnect the driver from the devices it's controlling. | |
| // | |
| Status = gBS->LocateHandleBuffer ( | |
| AllHandles, | |
| NULL, | |
| NULL, | |
| &DeviceHandleCount, | |
| &DeviceHandleBuffer | |
| ); | |
| if (EFI_ERROR (Status)) { | |
| return Status; | |
| } | |
| for (Index = 0; Index < DeviceHandleCount; Index++) { | |
| Status = IScsiTestManagedDevice ( | |
| DeviceHandleBuffer[Index], | |
| gIScsiDriverBinding.DriverBindingHandle, | |
| &gEfiTcp4ProtocolGuid | |
| ); | |
| if (EFI_ERROR (Status)) { | |
| continue; | |
| } | |
| Status = gBS->DisconnectController ( | |
| DeviceHandleBuffer[Index], | |
| gIScsiDriverBinding.DriverBindingHandle, | |
| NULL | |
| ); | |
| if (EFI_ERROR (Status)) { | |
| goto ON_EXIT; | |
| } | |
| } | |
| // | |
| // Unload the iSCSI configuration form. | |
| // | |
| Status = IScsiConfigFormUnload (gIScsiDriverBinding.DriverBindingHandle); | |
| if (EFI_ERROR (Status)) { | |
| goto ON_EXIT; | |
| } | |
| // | |
| // Uninstall the ComponentName and ComponentName2 protocol from iSCSI4 driver binding handle | |
| // if it has been installed. | |
| // | |
| Status = gBS->HandleProtocol ( | |
| gIScsiDriverBinding.DriverBindingHandle, | |
| &gEfiComponentNameProtocolGuid, | |
| (VOID **) &ComponentName | |
| ); | |
| if (!EFI_ERROR (Status)) { | |
| Status = gBS->UninstallMultipleProtocolInterfaces ( | |
| gIScsiDriverBinding.DriverBindingHandle, | |
| &gEfiComponentNameProtocolGuid, | |
| ComponentName, | |
| NULL | |
| ); | |
| if (EFI_ERROR (Status)) { | |
| goto ON_EXIT; | |
| } | |
| } | |
| Status = gBS->HandleProtocol ( | |
| gIScsiDriverBinding.DriverBindingHandle, | |
| &gEfiComponentName2ProtocolGuid, | |
| (VOID **) &ComponentName2 | |
| ); | |
| if (!EFI_ERROR (Status)) { | |
| gBS->UninstallMultipleProtocolInterfaces ( | |
| gIScsiDriverBinding.DriverBindingHandle, | |
| &gEfiComponentName2ProtocolGuid, | |
| ComponentName2, | |
| NULL | |
| ); | |
| if (EFI_ERROR (Status)) { | |
| goto ON_EXIT; | |
| } | |
| } | |
| Status = gBS->UninstallMultipleProtocolInterfaces ( | |
| ImageHandle, | |
| &gEfiDriverBindingProtocolGuid, | |
| &gIScsiDriverBinding, | |
| &gEfiIScsiInitiatorNameProtocolGuid, | |
| &gIScsiInitiatorName, | |
| NULL | |
| ); | |
| ON_EXIT: | |
| if (DeviceHandleBuffer != NULL) { | |
| FreePool (DeviceHandleBuffer); | |
| } | |
| return Status; | |
| } | |
| /** | |
| This is the declaration of an EFI image entry point. This entry point is | |
| the same for UEFI Applications, UEFI OS Loaders, and UEFI Drivers including | |
| both device drivers and bus drivers. It initialize the global variables and | |
| publish the driver binding protocol. | |
| @param[in] ImageHandle The firmware allocated handle for the UEFI image. | |
| @param[in] SystemTable A pointer to the EFI System Table. | |
| @retval EFI_SUCCESS The operation completed successfully. | |
| @retval EFI_ACCESS_DENIED EFI_ISCSI_INITIATOR_NAME_PROTOCOL was installed unexpectedly. | |
| @retval Others Other errors as indicated. | |
| **/ | |
| EFI_STATUS | |
| EFIAPI | |
| IScsiDriverEntryPoint ( | |
| IN EFI_HANDLE ImageHandle, | |
| IN EFI_SYSTEM_TABLE *SystemTable | |
| ) | |
| { | |
| EFI_STATUS Status; | |
| EFI_ISCSI_INITIATOR_NAME_PROTOCOL *IScsiInitiatorName; | |
| // | |
| // There should be only one EFI_ISCSI_INITIATOR_NAME_PROTOCOL. | |
| // | |
| Status = gBS->LocateProtocol ( | |
| &gEfiIScsiInitiatorNameProtocolGuid, | |
| NULL, | |
| (VOID**) &IScsiInitiatorName | |
| ); | |
| if (!EFI_ERROR (Status)) { | |
| return EFI_ACCESS_DENIED; | |
| } | |
| // | |
| // Initialize the EFI Driver Library | |
| // | |
| Status = EfiLibInstallDriverBindingComponentName2 ( | |
| ImageHandle, | |
| SystemTable, | |
| &gIScsiDriverBinding, | |
| ImageHandle, | |
| &gIScsiComponentName, | |
| &gIScsiComponentName2 | |
| ); | |
| if (!EFI_ERROR (Status)) { | |
| // | |
| // Install the iSCSI Initiator Name Protocol. | |
| // | |
| Status = gBS->InstallProtocolInterface ( | |
| &ImageHandle, | |
| &gEfiIScsiInitiatorNameProtocolGuid, | |
| EFI_NATIVE_INTERFACE, | |
| &gIScsiInitiatorName | |
| ); | |
| if (EFI_ERROR (Status)) { | |
| gBS->UninstallMultipleProtocolInterfaces ( | |
| ImageHandle, | |
| &gEfiDriverBindingProtocolGuid, | |
| &gIScsiDriverBinding, | |
| &gEfiComponentName2ProtocolGuid, | |
| &gIScsiComponentName2, | |
| &gEfiComponentNameProtocolGuid, | |
| &gIScsiComponentName, | |
| NULL | |
| ); | |
| return Status; | |
| } | |
| // | |
| // Initialize the configuration form of iSCSI. | |
| // | |
| Status = IScsiConfigFormInit (); | |
| if (EFI_ERROR (Status)) { | |
| gBS->UninstallMultipleProtocolInterfaces ( | |
| ImageHandle, | |
| &gEfiDriverBindingProtocolGuid, | |
| &gIScsiDriverBinding, | |
| &gEfiComponentName2ProtocolGuid, | |
| &gIScsiComponentName2, | |
| &gEfiComponentNameProtocolGuid, | |
| &gIScsiComponentName, | |
| &gEfiIScsiInitiatorNameProtocolGuid, | |
| &gIScsiInitiatorName, | |
| NULL | |
| ); | |
| } | |
| } | |
| return Status; | |
| } | |