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
32 int
fs_x_ioctl(struct tcb * const tcp,const unsigned int code,const kernel_ulong_t arg)33 fs_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