1 /* $NetBSD: freebsd_ioctl.c,v 1.3 1997/05/06 23:56:43 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/systm.h> 36 #include <sys/proc.h> 37 #include <sys/mount.h> 38 39 #include <sys/syscallargs.h> 40 41 #include <compat/freebsd/freebsd_syscallargs.h> 42 #include <compat/freebsd/freebsd_util.h> 43 #include <compat/freebsd/freebsd_ioctl.h> 44 45 #include <compat/ossaudio/ossaudio.h> 46 #include <compat/ossaudio/ossaudiovar.h> 47 48 /* The FreeBSD and OSS(Linux) encodings of ioctl R/W differ. */ 49 static void freebsd_to_oss(struct freebsd_sys_ioctl_args *, 50 struct oss_sys_ioctl_args *); 51 52 static void 53 freebsd_to_oss(uap, rap) 54 struct freebsd_sys_ioctl_args *uap; 55 struct oss_sys_ioctl_args *rap; 56 { 57 u_long ocmd, ncmd; 58 59 ocmd = SCARG(uap, com); 60 ncmd = ocmd &~ FREEBSD_IOC_DIRMASK; 61 switch(ocmd & FREEBSD_IOC_DIRMASK) { 62 case FREEBSD_IOC_VOID: ncmd |= OSS_IOC_VOID; break; 63 case FREEBSD_IOC_OUT: ncmd |= OSS_IOC_OUT; break; 64 case FREEBSD_IOC_IN: ncmd |= OSS_IOC_IN; break; 65 case FREEBSD_IOC_INOUT: ncmd |= OSS_IOC_INOUT; break; 66 } 67 SCARG(rap, fd) = SCARG(uap, fd); 68 SCARG(rap, com) = ncmd; 69 SCARG(rap, data) = SCARG(uap, data); 70 } 71 72 int 73 freebsd_sys_ioctl(p, v, retval) 74 struct proc *p; 75 void *v; 76 register_t *retval; 77 { 78 struct freebsd_sys_ioctl_args /* { 79 syscallarg(int) fd; 80 syscallarg(u_long) com; 81 syscallarg(caddr_t) data; 82 } */ *uap = v; 83 struct oss_sys_ioctl_args ap; 84 85 /* 86 * XXX - <sys/cdio.h>'s incompatibility 87 * _IO('c', 25..27, *): incompatible 88 * _IO('c', 28... , *): not exist 89 */ 90 /* XXX - <sys/mtio.h> */ 91 /* XXX - <sys/scsiio.h> */ 92 /* XXX - should convert machine dependent ioctl()s */ 93 94 switch (FREEBSD_IOCGROUP(SCARG(uap, com))) { 95 case 'M': 96 freebsd_to_oss(uap, &ap); 97 return oss_ioctl_mixer(p, &ap, retval); 98 case 'Q': 99 freebsd_to_oss(uap, &ap); 100 return oss_ioctl_sequencer(p, &ap, retval); 101 case 'P': 102 freebsd_to_oss(uap, &ap); 103 return oss_ioctl_audio(p, &ap, retval); 104 default: 105 return sys_ioctl(p, uap, retval); 106 } 107 } 108