1 /* 2 * Copyright (c) 2014 Mike Frysinger <vapier (at) gentoo.org> 3 * Copyright (c) 2015-2016 Dmitry V. Levin <ldv (at) 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 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
