1 /* 2 * Copyright (c) 2017 Eric McCorkle 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 #include <stdbool.h> 28 29 #include <efi.h> 30 #include <efilib.h> 31 32 #include "efi_driver_utils.h" 33 34 EFI_GUID gEfiDriverBindingProtocolGuid = EFI_DRIVER_BINDING_PROTOCOL_GUID; 35 36 EFI_STATUS 37 connect_controllers(EFI_GUID *filter) 38 { 39 EFI_STATUS status; 40 EFI_HANDLE *handles; 41 uint_t nhandles, i; 42 43 status = efi_get_protocol_handles(filter, &nhandles, &handles); 44 if (EFI_ERROR(status)) { 45 return (status); 46 } 47 48 for (i = 0; i < nhandles; i++) { 49 BS->ConnectController(handles[i], NULL, NULL, true); 50 } 51 52 free(handles); 53 54 return (status); 55 } 56 57 EFI_STATUS 58 install_driver(EFI_DRIVER_BINDING_PROTOCOL *driver) 59 { 60 EFI_STATUS status; 61 62 driver->ImageHandle = IH; 63 driver->DriverBindingHandle = NULL; 64 status = BS->InstallMultipleProtocolInterfaces( 65 &(driver->DriverBindingHandle), 66 &gEfiDriverBindingProtocolGuid, driver, 67 NULL); 68 69 if (EFI_ERROR(status)) { 70 printf("Failed to install driver (%ld)!\n", 71 DECODE_ERROR(status)); 72 } 73 74 return (status); 75 } 76