/*
 * 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"

EFI_GUID gEfiDriverBindingProtocolGuid = EFI_DRIVER_BINDING_PROTOCOL_GUID;

EFI_STATUS
connect_controllers(EFI_GUID *filter)
{
	EFI_STATUS status;
	EFI_HANDLE *handles;
	uint_t nhandles, i;

	status = efi_get_protocol_handles(filter, &nhandles, &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_PROTOCOL *driver)
{
	EFI_STATUS status;

	driver->ImageHandle = IH;
	driver->DriverBindingHandle = NULL;
	status = BS->InstallMultipleProtocolInterfaces(
	    &(driver->DriverBindingHandle),
	    &gEfiDriverBindingProtocolGuid, driver,
	    NULL);

	if (EFI_ERROR(status)) {
		printf("Failed to install driver (%ld)!\n",
		    DECODE_ERROR(status));
	}

	return (status);
}