1203181Smarcel/*-
2203181Smarcel * Copyright (c) 2010 Marcel Moolenaar
3203181Smarcel * All rights reserved.
4203181Smarcel *
5203181Smarcel * Redistribution and use in source and binary forms, with or without
6203181Smarcel * modification, are permitted provided that the following conditions
7203181Smarcel * are met:
8203181Smarcel * 1. Redistributions of source code must retain the above copyright
9203181Smarcel *    notice, this list of conditions and the following disclaimer.
10203181Smarcel * 2. Redistributions in binary form must reproduce the above copyright
11203181Smarcel *    notice, this list of conditions and the following disclaimer in the
12203181Smarcel *    documentation and/or other materials provided with the distribution.
13203181Smarcel *
14203181Smarcel * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15203181Smarcel * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16203181Smarcel * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17203181Smarcel * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18203181Smarcel * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19203181Smarcel * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20203181Smarcel * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21203181Smarcel * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22203181Smarcel * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23203181Smarcel * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24203181Smarcel * SUCH DAMAGE.
25203181Smarcel */
26203181Smarcel
27203181Smarcel#include <sys/cdefs.h>
28203181Smarcel__FBSDID("$FreeBSD$");
29203181Smarcel
30203181Smarcel#include <libefi.h>
31203181Smarcel#include <stdlib.h>
32203181Smarcel
33203181Smarcel#include "libefi_int.h"
34203181Smarcel
35203181Smarcel/*
36203181Smarcel * EFI_STATUS
37203181Smarcel * SetVariable(
38203181Smarcel *	IN CHAR16	*VariableName,
39203181Smarcel *	IN EFI_GUID	*VendorGuid,
40203181Smarcel *	IN UINT32	Attributes,
41203181Smarcel *	IN UINTN	DataSize,
42203181Smarcel *	IN VOID		*Data
43203181Smarcel *    );
44203181Smarcel */
45203181Smarcel
46203181Smarcelint
47203181Smarcelefi_setvar(char *name, uuid_t *vendor, uint32_t attrib, size_t datasize,
48203181Smarcel    void *data)
49203181Smarcel{
50203181Smarcel	struct iodev_efivar_req req;
51203181Smarcel	int error;
52203181Smarcel
53203181Smarcel	req.namesize = 0;
54203181Smarcel	error = libefi_utf8_to_ucs2(name, &req.namesize, &req.name);
55203181Smarcel	if (error)
56203181Smarcel		return (error);
57203181Smarcel
58203181Smarcel	req.vendor = *vendor;
59203181Smarcel	req.attrib = attrib;
60203181Smarcel	req.datasize = datasize;
61203181Smarcel	req.data = data;
62203181Smarcel	req.access = IODEV_EFIVAR_SETVAR;
63203181Smarcel	error = libefi_efivar(&req);
64203181Smarcel	free(req.name);
65203181Smarcel	return (error);
66203181Smarcel}
67