+++ /dev/null
-/** @file\r
- ISA Bus UEFI driver.\r
-\r
- Discovers all the ISA Controllers and their resources by using the ISA ACPI\r
- Protocol, produces an instance of the ISA I/O Protocol for every ISA\r
- Controller found. This driver is designed to manage a PCI-to-ISA bridge Device\r
- such as LPC bridge.\r
-\r
-Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
-SPDX-License-Identifier: BSD-2-Clause-Patent\r
-\r
-**/\r
-\r
-#include "InternalIsaBus.h"\r
-\r
-//\r
-// ISA Bus Driver Global Variables\r
-//\r
-EFI_DRIVER_BINDING_PROTOCOL gIsaBusControllerDriver = {\r
- IsaBusControllerDriverSupported,\r
- IsaBusControllerDriverStart,\r
- IsaBusControllerDriverStop,\r
- 0xa,\r
- NULL,\r
- NULL\r
-};\r
-\r
-/**\r
- The main entry point for the ISA Bus driver.\r
-\r
- @param[in] ImageHandle The firmware allocated handle for the EFI image.\r
- @param[in] SystemTable A pointer to the EFI System Table.\r
-\r
- @retval EFI_SUCCESS The entry point is executed successfully.\r
- @retval EFI_OUT_OF_RESOURCES There was not enough memory in pool to install all the protocols.\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-InitializeIsaBus(\r
- IN EFI_HANDLE ImageHandle,\r
- IN EFI_SYSTEM_TABLE *SystemTable\r
- )\r
-{\r
- EFI_STATUS Status;\r
-\r
- //\r
- // Install driver model protocol(s).\r
- //\r
- Status = EfiLibInstallDriverBindingComponentName2 (\r
- ImageHandle,\r
- SystemTable,\r
- &gIsaBusControllerDriver,\r
- ImageHandle,\r
- &gIsaBusComponentName,\r
- &gIsaBusComponentName2\r
- );\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- return Status;\r
-}\r
-\r
-/**\r
- Tests to see if a controller can be managed by the ISA Bus Driver. If a child device is provided,\r
- it further tests to see if this driver supports creating a handle for the specified child device.\r
-\r
- Note that the ISA Bus driver always creates all of its child handles on the first call to Start().\r
- How the Start() function of a driver is implemented can affect how the Supported() function is implemented.\r
-\r
- @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.\r
- @param[in] Controller The handle of the controller to test.\r
- @param[in] RemainingDevicePath A pointer to the remaining portion of a device path.\r
-\r
- @retval EFI_SUCCESS The device is supported by this driver.\r
- @retval EFI_ALREADY_STARTED The device is already being managed by this driver.\r
- @retval EFI_ACCESS_DENIED The device is already being managed by a different driver\r
- or an application that requires exclusive access.\r
- @retval EFI_UNSUPPORTED The device is is not supported by this driver.\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-IsaBusControllerDriverSupported (\r
- IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
- IN EFI_HANDLE Controller,\r
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL\r
- )\r
-{\r
- EFI_STATUS Status;\r
- EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;\r
- EFI_ISA_ACPI_PROTOCOL *IsaAcpi;\r
-\r
- //\r
- // If RemainingDevicePath is not NULL, it should verify that the first device\r
- // path node in RemainingDevicePath is an ACPI Device path node which is a\r
- // legal Device Path Node for this bus driver's children.\r
- //\r
- if (RemainingDevicePath != NULL) {\r
- if (RemainingDevicePath->Type != ACPI_DEVICE_PATH) {\r
- return EFI_UNSUPPORTED;\r
- } else if (RemainingDevicePath->SubType == ACPI_DP) {\r
- if (DevicePathNodeLength (RemainingDevicePath) != sizeof (ACPI_HID_DEVICE_PATH)) {\r
- return EFI_UNSUPPORTED;\r
- }\r
- } else if (RemainingDevicePath->SubType == ACPI_EXTENDED_DP) {\r
- if (DevicePathNodeLength (RemainingDevicePath) != sizeof (ACPI_EXTENDED_HID_DEVICE_PATH)) {\r
- return EFI_UNSUPPORTED;\r
- }\r
- } else {\r
- return EFI_UNSUPPORTED;\r
- }\r
- }\r
- //\r
- // Try to open EFI DEVICE PATH protocol on the controller\r
- //\r
- Status = gBS->OpenProtocol (\r
- Controller,\r
- &gEfiDevicePathProtocolGuid,\r
- (VOID **) &ParentDevicePath,\r
- This->DriverBindingHandle,\r
- Controller,\r
- EFI_OPEN_PROTOCOL_BY_DRIVER\r
- );\r
- //\r
- // Although this driver creates all child handles at one time,\r
- // but because all child handles may be not stopped at one time in EFI Driver Binding.Stop(),\r
- // So it is allowed to create child handles again in successive calls to EFI Driver Binding.Start().\r
- //\r
- if (Status == EFI_ALREADY_STARTED) {\r
- return EFI_SUCCESS;\r
- }\r
-\r
- if (EFI_ERROR (Status)) {\r
- return Status;\r
- }\r
-\r
- gBS->CloseProtocol (\r
- Controller,\r
- &gEfiDevicePathProtocolGuid,\r
- This->DriverBindingHandle,\r
- Controller\r
- );\r
-\r
- //\r
- // Try to get Pci IO Protocol because it is assumed\r
- // to have been opened by ISA ACPI driver\r
- //\r
- Status = gBS->OpenProtocol (\r
- Controller,\r
- &gEfiPciIoProtocolGuid,\r
- NULL,\r
- This->DriverBindingHandle,\r
- Controller,\r
- EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r
- );\r
- if (EFI_ERROR (Status)) {\r
- return Status;\r
- }\r
-\r
- //\r
- // Try to open the Isa Acpi protocol on the controller\r
- //\r
- Status = gBS->OpenProtocol (\r
- Controller,\r
- &gEfiIsaAcpiProtocolGuid,\r
- (VOID **) &IsaAcpi,\r
- This->DriverBindingHandle,\r
- Controller,\r
- EFI_OPEN_PROTOCOL_BY_DRIVER\r
- );\r
- if (EFI_ERROR (Status)) {\r
- return Status;\r
- }\r
-\r
- //\r
- // Add more check to see if the child device is valid by calling IsaAcpi->DeviceEnumerate?\r
- //\r
-\r
- gBS->CloseProtocol (\r
- Controller,\r
- &gEfiIsaAcpiProtocolGuid,\r
- This->DriverBindingHandle,\r
- Controller\r
- );\r
-\r
- return Status;\r
-}\r
-\r
-/**\r
- Start this driver on ControllerHandle.\r
-\r
- Note that the ISA Bus driver always creates all of its child handles on the first call to Start().\r
- The Start() function is designed to be invoked from the EFI boot service ConnectController().\r
- As a result, much of the error checking on the parameters to Start() has been moved into this\r
- common boot service. It is legal to call Start() from other locations, but the following calling\r
- restrictions must be followed or the system behavior will not be deterministic.\r
- 1. ControllerHandle must be a valid EFI_HANDLE.\r
- 2. If RemainingDevicePath is not NULL, then it must be a pointer to a naturally aligned\r
- EFI_DEVICE_PATH_PROTOCOL.\r
- 3. Prior to calling Start(), the Supported() function for the driver specified by This must\r
- have been called with the same calling parameters, and Supported() must have returned EFI_SUCCESS.\r
-\r
- @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.\r
- @param[in] ControllerHandle The handle of the controller to start. This handle\r
- must support a protocol interface that supplies\r
- an I/O abstraction to the driver.\r
- @param[in] RemainingDevicePath A pointer to the remaining portion of a device path.\r
- This parameter is ignored by device drivers, and is optional for bus drivers.\r
-\r
- @retval EFI_SUCCESS The device was started.\r
- @retval EFI_DEVICE_ERROR The device could not be started due to a device error.\r
- Currently not implemented.\r
- @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.\r
- @retval Others The driver failded to start the device.\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-IsaBusControllerDriverStart (\r
- IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
- IN EFI_HANDLE Controller,\r
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL\r
- )\r
-{\r
- EFI_STATUS Status;\r
- EFI_PCI_IO_PROTOCOL *PciIo;\r
- EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;\r
- EFI_ISA_ACPI_PROTOCOL *IsaAcpi;\r
- EFI_ISA_ACPI_DEVICE_ID *IsaDevice;\r
- EFI_ISA_ACPI_RESOURCE_LIST *ResourceList;\r
- EFI_GENERIC_MEMORY_TEST_PROTOCOL *GenMemoryTest;\r
-\r
- //\r
- // Local variables declaration for StatusCode reporting\r
- //\r
- EFI_DEVICE_PATH_PROTOCOL *DevicePathData;\r
-\r
- DevicePathData = NULL;\r
-\r
- //\r
- // Get Pci IO Protocol\r
- //\r
- Status = gBS->OpenProtocol (\r
- Controller,\r
- &gEfiPciIoProtocolGuid,\r
- (VOID **) &PciIo,\r
- This->DriverBindingHandle,\r
- Controller,\r
- EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
- );\r
- if (EFI_ERROR (Status)) {\r
- return Status;\r
- }\r
-\r
- //\r
- // Open Device Path Protocol\r
- //\r
- Status = gBS->OpenProtocol (\r
- Controller,\r
- &gEfiDevicePathProtocolGuid,\r
- (VOID **) &ParentDevicePath,\r
- This->DriverBindingHandle,\r
- Controller,\r
- EFI_OPEN_PROTOCOL_BY_DRIVER\r
- );\r
- if (EFI_ERROR (Status) && Status != EFI_ALREADY_STARTED) {\r
- return Status;\r
- }\r
-\r
- //\r
- // Open ISA Acpi Protocol\r
- //\r
- Status = gBS->OpenProtocol (\r
- Controller,\r
- &gEfiIsaAcpiProtocolGuid,\r
- (VOID **) &IsaAcpi,\r
- This->DriverBindingHandle,\r
- Controller,\r
- EFI_OPEN_PROTOCOL_BY_DRIVER\r
- );\r
- if (EFI_ERROR (Status) && Status != EFI_ALREADY_STARTED) {\r
- //\r
- // Close opened protocol\r
- //\r
- gBS->CloseProtocol (\r
- Controller,\r
- &gEfiDevicePathProtocolGuid,\r
- This->DriverBindingHandle,\r
- Controller\r
- );\r
- return Status;\r
- }\r
- //\r
- // The IsaBus driver will use memory below 16M, which is not tested yet,\r
- // so call CompatibleRangeTest to test them. Since memory below 1M should\r
- // be reserved to CSM, and 15M~16M might be reserved for Isa hole, test 1M\r
- // ~15M here\r
- //\r
- Status = gBS->LocateProtocol (\r
- &gEfiGenericMemTestProtocolGuid,\r
- NULL,\r
- (VOID **) &GenMemoryTest\r
- );\r
-\r
- if (!EFI_ERROR (Status)) {\r
- Status = GenMemoryTest->CompatibleRangeTest (\r
- GenMemoryTest,\r
- 0x100000,\r
- 0xE00000\r
- );\r
- }\r
- //\r
- // Report Status Code here since we will initialize the host controller\r
- //\r
- REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r
- EFI_PROGRESS_CODE,\r
- (EFI_IO_BUS_LPC | EFI_IOB_PC_INIT),\r
- ParentDevicePath\r
- );\r
-\r
- //\r
- // first init ISA interface\r
- //\r
- IsaAcpi->InterfaceInit (IsaAcpi);\r
-\r
- //\r
- // Report Status Code here since we will enable the host controller\r
- //\r
- REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r
- EFI_PROGRESS_CODE,\r
- (EFI_IO_BUS_LPC | EFI_IOB_PC_ENABLE),\r
- ParentDevicePath\r
- );\r
-\r
- //\r
- // Create each ISA device handle in this ISA bus\r
- //\r
- IsaDevice = NULL;\r
- do {\r
- Status = IsaAcpi->DeviceEnumerate (IsaAcpi, &IsaDevice);\r
- if (EFI_ERROR (Status)) {\r
- break;\r
- }\r
- //\r
- // Get current resource of this ISA device\r
- //\r
- ResourceList = NULL;\r
- Status = IsaAcpi->GetCurResource (IsaAcpi, IsaDevice, &ResourceList);\r
- if (EFI_ERROR (Status)) {\r
- continue;\r
- }\r
-\r
- //\r
- // Create handle for this ISA device\r
- //\r
- // If any child device handle was created in previous call to Start() and not stopped\r
- // in previous call to Stop(), it will not be created again because the\r
- // InstallMultipleProtocolInterfaces() boot service will reject same device path.\r
- //\r
- Status = IsaCreateDevice (\r
- This,\r
- Controller,\r
- PciIo,\r
- ParentDevicePath,\r
- ResourceList,\r
- &DevicePathData\r
- );\r
-\r
- if (EFI_ERROR (Status)) {\r
- continue;\r
- }\r
- //\r
- // Initialize ISA device\r
- //\r
- IsaAcpi->InitDevice (IsaAcpi, IsaDevice);\r
-\r
- //\r
- // Set resources for this ISA device\r
- //\r
- Status = IsaAcpi->SetResource (IsaAcpi, IsaDevice, ResourceList);\r
-\r
- //\r
- // Report Status Code here when failed to resource conflicts\r
- //\r
- if (EFI_ERROR (Status) && (Status != EFI_UNSUPPORTED)) {\r
- //\r
- // It's hard to tell which resource conflicts\r
- //\r
- REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r
- EFI_ERROR_CODE,\r
- (EFI_IO_BUS_LPC | EFI_IOB_EC_RESOURCE_CONFLICT),\r
- DevicePathData\r
- );\r
-\r
- }\r
- //\r
- // Set power for this ISA device\r
- //\r
- IsaAcpi->SetPower (IsaAcpi, IsaDevice, TRUE);\r
-\r
- //\r
- // Enable this ISA device\r
- //\r
- IsaAcpi->EnableDevice (IsaAcpi, IsaDevice, TRUE);\r
-\r
- } while (TRUE);\r
-\r
- return EFI_SUCCESS;\r
-}\r
-\r
-/**\r
- Stop this driver on ControllerHandle.\r
-\r
- The Stop() function is designed to be invoked from the EFI boot service DisconnectController().\r
- As a result, much of the error checking on the parameters to Stop() has been moved\r
- into this common boot service. It is legal to call Stop() from other locations,\r
- but the following calling restrictions must be followed or the system behavior will not be deterministic.\r
- 1. ControllerHandle must be a valid EFI_HANDLE that was used on a previous call to this\r
- same driver's Start() function.\r
- 2. The first NumberOfChildren handles of ChildHandleBuffer must all be a valid\r
- EFI_HANDLE. In addition, all of these handles must have been created in this driver's\r
- Start() function, and the Start() function must have called OpenProtocol() on\r
- ControllerHandle with an Attribute of EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER.\r
-\r
- @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.\r
- @param[in] ControllerHandle A handle to the device being stopped. The handle must\r
- support a bus specific I/O protocol for the driver\r
- to use to stop the device.\r
- @param[in] NumberOfChildren The number of child device handles in ChildHandleBuffer.\r
- @param[in] ChildHandleBuffer An array of child handles to be freed. May be NULL\r
- if NumberOfChildren is 0.\r
-\r
- @retval EFI_SUCCESS The device was stopped.\r
- @retval EFI_DEVICE_ERROR The device could not be stopped due to a device error.\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-IsaBusControllerDriverStop (\r
- IN EFI_DRIVER_BINDING_PROTOCOL * This,\r
- IN EFI_HANDLE Controller,\r
- IN UINTN NumberOfChildren,\r
- IN EFI_HANDLE * ChildHandleBuffer OPTIONAL\r
- )\r
-{\r
- EFI_STATUS Status;\r
- UINTN Index;\r
- BOOLEAN AllChildrenStopped;\r
- ISA_IO_DEVICE *IsaIoDevice;\r
- EFI_ISA_IO_PROTOCOL *IsaIo;\r
- EFI_PCI_IO_PROTOCOL *PciIo;\r
-\r
- if (NumberOfChildren == 0) {\r
- //\r
- // Close the bus driver\r
- //\r
- Status = gBS->CloseProtocol (\r
- Controller,\r
- &gEfiDevicePathProtocolGuid,\r
- This->DriverBindingHandle,\r
- Controller\r
- );\r
- if (EFI_ERROR (Status)) {\r
- return Status;\r
- }\r
-\r
- Status = gBS->CloseProtocol (\r
- Controller,\r
- &gEfiIsaAcpiProtocolGuid,\r
- This->DriverBindingHandle,\r
- Controller\r
- );\r
- if (EFI_ERROR (Status)) {\r
- return Status;\r
- }\r
-\r
- return EFI_SUCCESS;\r
- }\r
- //\r
- // Complete all outstanding transactions to Controller.\r
- // Don't allow any new transaction to Controller to be started.\r
- //\r
- //\r
- // Stop all the children\r
- // Find all the ISA devices that were discovered on this PCI to ISA Bridge\r
- // with the Start() function.\r
- //\r
- AllChildrenStopped = TRUE;\r
-\r
- for (Index = 0; Index < NumberOfChildren; Index++) {\r
-\r
- Status = gBS->OpenProtocol (\r
- ChildHandleBuffer[Index],\r
- &gEfiIsaIoProtocolGuid,\r
- (VOID **) &IsaIo,\r
- This->DriverBindingHandle,\r
- Controller,\r
- EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
- );\r
- if (!EFI_ERROR (Status)) {\r
-\r
- IsaIoDevice = ISA_IO_DEVICE_FROM_ISA_IO_THIS (IsaIo);\r
-\r
- //\r
- // Close the child handle\r
- //\r
-\r
- Status = gBS->CloseProtocol (\r
- Controller,\r
- &gEfiPciIoProtocolGuid,\r
- This->DriverBindingHandle,\r
- ChildHandleBuffer[Index]\r
- );\r
- Status = gBS->UninstallMultipleProtocolInterfaces (\r
- ChildHandleBuffer[Index],\r
- &gEfiDevicePathProtocolGuid,\r
- IsaIoDevice->DevicePath,\r
- &gEfiIsaIoProtocolGuid,\r
- &IsaIoDevice->IsaIo,\r
- NULL\r
- );\r
-\r
- if (!EFI_ERROR (Status)) {\r
- FreePool (IsaIoDevice->DevicePath);\r
- FreePool (IsaIoDevice);\r
- } else {\r
- //\r
- // Re-open PCI IO Protocol on behalf of the child device\r
- // because of failure of destroying the child device handle\r
- //\r
- gBS->OpenProtocol (\r
- Controller,\r
- &gEfiPciIoProtocolGuid,\r
- (VOID **) &PciIo,\r
- This->DriverBindingHandle,\r
- ChildHandleBuffer[Index],\r
- EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r
- );\r
- }\r
- }\r
-\r
- if (EFI_ERROR (Status)) {\r
- AllChildrenStopped = FALSE;\r
- }\r
- }\r
-\r
- if (!AllChildrenStopped) {\r
- return EFI_DEVICE_ERROR;\r
- }\r
-\r
- return EFI_SUCCESS;\r
-}\r
-\r
-//\r
-// Internal Function\r
-//\r
-\r
-/**\r
- Create EFI Handle for a ISA device found via ISA ACPI Protocol\r
-\r
- @param[in] This The EFI_DRIVER_BINDING_PROTOCOL instance.\r
- @param[in] Controller The handle of ISA bus controller(PCI to ISA bridge)\r
- @param[in] PciIo The Pointer to the PCI protocol\r
- @param[in] ParentDevicePath Device path of the ISA bus controller\r
- @param[in] IsaDeviceResourceList The resource list of the ISA device\r
- @param[out] ChildDevicePath The pointer to the child device.\r
-\r
- @retval EFI_SUCCESS The handle for the child device was created.\r
- @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.\r
- @retval EFI_DEVICE_ERROR The handle for the child device can not be created.\r
-**/\r
-EFI_STATUS\r
-IsaCreateDevice (\r
- IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
- IN EFI_HANDLE Controller,\r
- IN EFI_PCI_IO_PROTOCOL *PciIo,\r
- IN EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath,\r
- IN EFI_ISA_ACPI_RESOURCE_LIST *IsaDeviceResourceList,\r
- OUT EFI_DEVICE_PATH_PROTOCOL **ChildDevicePath\r
- )\r
-{\r
- EFI_STATUS Status;\r
- ISA_IO_DEVICE *IsaIoDevice;\r
- EFI_DEV_PATH Node;\r
-\r
- //\r
- // Initialize the PCI_IO_DEVICE structure\r
- //\r
- IsaIoDevice = AllocateZeroPool (sizeof (ISA_IO_DEVICE));\r
- if (IsaIoDevice == NULL) {\r
- return EFI_OUT_OF_RESOURCES;\r
- }\r
-\r
- IsaIoDevice->Signature = ISA_IO_DEVICE_SIGNATURE;\r
- IsaIoDevice->Handle = NULL;\r
- IsaIoDevice->PciIo = PciIo;\r
-\r
- //\r
- // Initialize the ISA I/O instance structure\r
- //\r
- InitializeIsaIoInstance (IsaIoDevice, IsaDeviceResourceList);\r
-\r
- //\r
- // Build the child device path\r
- //\r
- Node.DevPath.Type = ACPI_DEVICE_PATH;\r
- Node.DevPath.SubType = ACPI_DP;\r
- SetDevicePathNodeLength (&Node.DevPath, sizeof (ACPI_HID_DEVICE_PATH));\r
- Node.Acpi.HID = IsaDeviceResourceList->Device.HID;\r
- Node.Acpi.UID = IsaDeviceResourceList->Device.UID;\r
-\r
- IsaIoDevice->DevicePath = AppendDevicePathNode (\r
- ParentDevicePath,\r
- &Node.DevPath\r
- );\r
-\r
- if (IsaIoDevice->DevicePath == NULL) {\r
- Status = EFI_OUT_OF_RESOURCES;\r
- goto Done;\r
- }\r
-\r
- *ChildDevicePath = IsaIoDevice->DevicePath;\r
-\r
- //\r
- // Create a child handle and install Device Path and ISA I/O protocols\r
- //\r
- Status = gBS->InstallMultipleProtocolInterfaces (\r
- &IsaIoDevice->Handle,\r
- &gEfiDevicePathProtocolGuid,\r
- IsaIoDevice->DevicePath,\r
- &gEfiIsaIoProtocolGuid,\r
- &IsaIoDevice->IsaIo,\r
- NULL\r
- );\r
- if (EFI_ERROR (Status)) {\r
- goto Done;\r
- }\r
-\r
- Status = gBS->OpenProtocol (\r
- Controller,\r
- &gEfiPciIoProtocolGuid,\r
- (VOID **) &PciIo,\r
- This->DriverBindingHandle,\r
- IsaIoDevice->Handle,\r
- EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r
- );\r
- if (EFI_ERROR (Status)) {\r
- gBS->UninstallMultipleProtocolInterfaces (\r
- IsaIoDevice->Handle,\r
- &gEfiDevicePathProtocolGuid,\r
- IsaIoDevice->DevicePath,\r
- &gEfiIsaIoProtocolGuid,\r
- &IsaIoDevice->IsaIo,\r
- NULL\r
- );\r
- }\r
-\r
-Done:\r
-\r
- if (EFI_ERROR (Status)) {\r
- if (IsaIoDevice->DevicePath != NULL) {\r
- FreePool (IsaIoDevice->DevicePath);\r
- }\r
-\r
- FreePool (IsaIoDevice);\r
- }\r
-\r
- return Status;\r
-}\r
-\r
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