| /* |
| * Copyright (c) 2017 Eric McCorkle |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| #include <stdbool.h> |
| |
| #include <efi.h> |
| #include <efilib.h> |
| |
| #include "efi_driver_utils.h" |
| |
| static EFI_GUID DriverBindingProtocolGUID = DRIVER_BINDING_PROTOCOL; |
| |
| EFI_STATUS |
| connect_controllers(EFI_GUID *filter) |
| { |
| EFI_STATUS status; |
| EFI_HANDLE *handles; |
| UINTN nhandles, i, hsize; |
| |
| nhandles = 0; |
| hsize = 0; |
| status = BS->LocateHandle(ByProtocol, filter, NULL, |
| &hsize, NULL); |
| |
| if(status != EFI_BUFFER_TOO_SMALL) { |
| return (status); |
| } |
| |
| handles = malloc(hsize); |
| nhandles = hsize / sizeof(EFI_HANDLE); |
| |
| status = BS->LocateHandle(ByProtocol, filter, NULL, |
| &hsize, handles); |
| |
| if(EFI_ERROR(status)) { |
| return (status); |
| } |
| |
| for(i = 0; i < nhandles; i++) { |
| BS->ConnectController(handles[i], NULL, NULL, true); |
| } |
| |
| free(handles); |
| |
| return (status); |
| } |
| |
| EFI_STATUS |
| install_driver(EFI_DRIVER_BINDING *driver) |
| { |
| EFI_STATUS status; |
| |
| driver->ImageHandle = IH; |
| driver->DriverBindingHandle = NULL; |
| status = BS->InstallMultipleProtocolInterfaces( |
| &(driver->DriverBindingHandle), |
| &DriverBindingProtocolGUID, driver, |
| NULL); |
| |
| if (EFI_ERROR(status)) { |
| printf("Failed to install driver (%ld)!\n", |
| EFI_ERROR_CODE(status)); |
| } |
| |
| return (status); |
| } |