1 /* $NetBSD: linux_ioctl.c,v 1.16 1997/04/04 15:35:58 augustss Exp $ */ 2 3 /* 4 * Copyright (c) 1995 Frank van der Linden 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. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed for the NetBSD Project 18 * by Frank van der Linden 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include <sys/param.h> 35 #include <sys/proc.h> 36 #include <sys/systm.h> 37 #include <sys/ioctl.h> 38 #include <sys/mount.h> 39 40 #include <sys/socket.h> 41 #include <net/if.h> 42 #include <sys/sockio.h> 43 44 #include <sys/syscallargs.h> 45 46 #include <compat/linux/linux_types.h> 47 #include <compat/linux/linux_signal.h> 48 #include <compat/linux/linux_syscallargs.h> 49 #include <compat/linux/linux_ioctl.h> 50 51 #include <compat/ossaudio/ossaudio.h> 52 #define LINUX_TO_OSS(v) (v) /* do nothing, same ioctl() encoding */ 53 54 /* 55 * Most ioctl command are just converted to their NetBSD values, 56 * and passed on. The ones that take structure pointers and (flag) 57 * values need some massaging. This is done the usual way by 58 * allocating stackgap memory, letting the actual ioctl call do its 59 * work there and converting back the data afterwards. 60 */ 61 int 62 linux_sys_ioctl(p, v, retval) 63 register struct proc *p; 64 void *v; 65 register_t *retval; 66 { 67 register struct linux_sys_ioctl_args /* { 68 syscallarg(int) fd; 69 syscallarg(u_long) com; 70 syscallarg(caddr_t) data; 71 } */ *uap = v; 72 73 switch (LINUX_IOCGROUP(SCARG(uap, com))) { 74 case 'M': 75 return oss_ioctl_mixer(p, LINUX_TO_OSS(v), retval); 76 case 'Q': 77 return oss_ioctl_sequencer(p, LINUX_TO_OSS(v), retval); 78 case 'P': 79 return oss_ioctl_audio(p, LINUX_TO_OSS(v), retval); 80 case 'T': 81 return linux_ioctl_termios(p, uap, retval); 82 case 0x89: 83 return linux_ioctl_socket(p, uap, retval); 84 default: 85 return linux_machdepioctl(p, uap, retval); 86 } 87 } 88