1/*
2 * Copyright (c) 2014 Mike Frysinger <vapier@gentoo.org>
3 * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 *    derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include "defs.h"
30#include <linux/fs.h>
31
32int
33fs_x_ioctl(struct tcb *const tcp, const unsigned int code,
34	   const kernel_ulong_t arg)
35{
36	switch (code) {
37#ifdef FITRIM
38	/* First seen in linux-2.6.37 */
39	case FITRIM: {
40		struct fstrim_range fstrim;
41
42		tprints(", ");
43		if (!umove_or_printaddr(tcp, arg, &fstrim))
44			tprintf("{start=%#" PRIx64
45				", len=%#" PRIx64
46				", minlen=%#" PRIx64 "}",
47				(uint64_t) fstrim.start,
48				(uint64_t) fstrim.len,
49				(uint64_t) fstrim.minlen);
50		break;
51	}
52#endif
53
54	/* No arguments */
55#ifdef FIFREEZE
56	case FIFREEZE:
57	case FITHAW:
58		break;
59#endif
60
61	default:
62		return RVAL_DECODED;
63	}
64
65	return RVAL_DECODED | 1;
66}
67