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sys/boot/efi/libefi/efi_driver_utils.c
- This file was added.
| /*- | |||||
| * 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. | |||||
| * | |||||
| * $FreeBSD$ | |||||
| */ | |||||
| #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); | |||||
| } | |||||