1 /*
2 * Copyright (c) 2014 Mike Frysinger <vapier@gentoo.org>
3 * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
4 * Copyright (c) 2016-2017 The strace developers.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30 #include "defs.h"
31 #include <linux/fs.h>
32
33 int
fs_x_ioctl(struct tcb * const tcp,const unsigned int code,const kernel_ulong_t arg)34 fs_x_ioctl(struct tcb *const tcp, const unsigned int code,
35 const kernel_ulong_t arg)
36 {
37 switch (code) {
38 #ifdef FITRIM
39 /* First seen in linux-2.6.37 */
40 case FITRIM: {
41 struct fstrim_range fstrim;
42
43 tprints(", ");
44 if (!umove_or_printaddr(tcp, arg, &fstrim))
45 tprintf("{start=%#" PRIx64
46 ", len=%#" PRIx64
47 ", minlen=%#" PRIx64 "}",
48 (uint64_t) fstrim.start,
49 (uint64_t) fstrim.len,
50 (uint64_t) fstrim.minlen);
51 break;
52 }
53 #endif
54
55 /* No arguments */
56 #ifdef FIFREEZE
57 case FIFREEZE:
58 case FITHAW:
59 break;
60 #endif
61
62 default:
63 return RVAL_DECODED;
64 }
65
66 return RVAL_IOCTL_DECODED;
67 }
68