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