11.4Sjmcneill/* $NetBSD: devopen.c,v 1.4 2018/11/15 23:52:33 jmcneill Exp $ */
21.1Sjmcneill
31.1Sjmcneill/*-
41.1Sjmcneill * Copyright (c) 2018 Jared McNeill <jmcneill@invisible.ca>
51.1Sjmcneill * All rights reserved.
61.1Sjmcneill *
71.1Sjmcneill * Redistribution and use in source and binary forms, with or without
81.1Sjmcneill * modification, are permitted provided that the following conditions
91.1Sjmcneill * are met:
101.1Sjmcneill * 1. Redistributions of source code must retain the above copyright
111.1Sjmcneill *    notice, this list of conditions and the following disclaimer.
121.1Sjmcneill * 2. Redistributions in binary form must reproduce the above copyright
131.1Sjmcneill *    notice, this list of conditions and the following disclaimer in the
141.1Sjmcneill *    documentation and/or other materials provided with the distribution.
151.1Sjmcneill *
161.1Sjmcneill * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
171.1Sjmcneill * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
181.1Sjmcneill * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
191.1Sjmcneill * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
201.1Sjmcneill * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
211.1Sjmcneill * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
221.1Sjmcneill * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
231.1Sjmcneill * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
241.1Sjmcneill * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
251.1Sjmcneill * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
261.1Sjmcneill * SUCH DAMAGE.
271.1Sjmcneill */
281.1Sjmcneill
291.1Sjmcneill#include "efiboot.h"
301.1Sjmcneill#include "efifile.h"
311.2Sjmcneill#include "efiblock.h"
321.1Sjmcneill
331.1Sjmcneillint
341.1Sjmcneilldevopen(struct open_file *f, const char *fname, char **file)
351.1Sjmcneill{
361.1Sjmcneill	int error;
371.1Sjmcneill
381.3Sjmcneill	error = efi_net_open(f, fname, file);
391.4Sjmcneill	if (error)
401.4Sjmcneill		file_system[0] = null_fs_ops;
411.4Sjmcneill	else if (rootpath[0] != '\0')
421.4Sjmcneill		file_system[0] = nfs_fs_ops;
431.4Sjmcneill	else
441.4Sjmcneill		file_system[0] = tftp_fs_ops;
451.3Sjmcneill
461.3Sjmcneill	if (error)
471.3Sjmcneill		error = efi_block_open(f, fname, file);
481.2Sjmcneill	if (error)
491.2Sjmcneill		error = efi_file_open(f, fname);
501.1Sjmcneill
511.1Sjmcneill	return error;
521.1Sjmcneill}
53