1 /* $NetBSD: freebsd_ioctl.c,v 1.6 2001/11/13 02:08:08 lukem 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/cdefs.h> 35 __KERNEL_RCSID(0, "$NetBSD: freebsd_ioctl.c,v 1.6 2001/11/13 02:08:08 lukem Exp $"); 36 37 #include <sys/param.h> 38 #include <sys/systm.h> 39 #include <sys/proc.h> 40 #include <sys/mount.h> 41 #include <sys/sockio.h> 42 43 #include <sys/syscallargs.h> 44 45 #include <net/if.h> 46 47 #include <compat/freebsd/freebsd_syscallargs.h> 48 #include <compat/common/compat_util.h> 49 #include <compat/freebsd/freebsd_ioctl.h> 50 51 #include <compat/ossaudio/ossaudio.h> 52 #include <compat/ossaudio/ossaudiovar.h> 53 54 /* The FreeBSD and OSS(Linux) encodings of ioctl R/W differ. */ 55 static void freebsd_to_oss(struct freebsd_sys_ioctl_args *, 56 struct oss_sys_ioctl_args *); 57 58 static void 59 freebsd_to_oss(uap, rap) 60 struct freebsd_sys_ioctl_args *uap; 61 struct oss_sys_ioctl_args *rap; 62 { 63 u_long ocmd, ncmd; 64 65 ocmd = SCARG(uap, com); 66 ncmd = ocmd &~ FREEBSD_IOC_DIRMASK; 67 switch(ocmd & FREEBSD_IOC_DIRMASK) { 68 case FREEBSD_IOC_VOID: ncmd |= OSS_IOC_VOID; break; 69 case FREEBSD_IOC_OUT: ncmd |= OSS_IOC_OUT; break; 70 case FREEBSD_IOC_IN: ncmd |= OSS_IOC_IN; break; 71 case FREEBSD_IOC_INOUT: ncmd |= OSS_IOC_INOUT; break; 72 } 73 SCARG(rap, fd) = SCARG(uap, fd); 74 SCARG(rap, com) = ncmd; 75 SCARG(rap, data) = SCARG(uap, data); 76 } 77 78 79 static void freebsd_to_netbsd_ifioctl(struct freebsd_sys_ioctl_args *uap, 80 struct sys_ioctl_args *nap); 81 82 static void 83 freebsd_to_netbsd_ifioctl(uap, nap) 84 struct freebsd_sys_ioctl_args *uap; 85 struct sys_ioctl_args *nap; 86 { 87 u_long ocmd, ncmd; 88 ocmd = SCARG(uap, com); 89 switch (ocmd) { 90 case FREEBSD_SIOCALIFADDR: 91 ncmd =SIOCALIFADDR; 92 break; 93 case FREEBSD_SIOCGLIFADDR: 94 ncmd =SIOCGLIFADDR; 95 break; 96 case FREEBSD_SIOCDLIFADDR: 97 ncmd =SIOCDLIFADDR; 98 break; 99 case FREEBSD_SIOCGIFMTU: 100 ncmd = SIOCGIFMTU; 101 break; 102 case FREEBSD_SIOCSIFMTU: 103 ncmd = SIOCSIFMTU; 104 break; 105 default: 106 ncmd = ocmd; 107 break; 108 } 109 SCARG(nap, fd) = SCARG(uap, fd); 110 SCARG(nap, com) = ncmd; 111 SCARG(nap, data) = SCARG(uap, data); 112 } 113 114 int 115 freebsd_sys_ioctl(p, v, retval) 116 struct proc *p; 117 void *v; 118 register_t *retval; 119 { 120 struct freebsd_sys_ioctl_args /* { 121 syscallarg(int) fd; 122 syscallarg(u_long) com; 123 syscallarg(caddr_t) data; 124 } */ *uap = v; 125 struct oss_sys_ioctl_args ap; 126 struct sys_ioctl_args nap; 127 128 /* 129 * XXX - <sys/cdio.h>'s incompatibility 130 * _IO('c', 25..27, *): incompatible 131 * _IO('c', 28... , *): not exist 132 */ 133 /* XXX - <sys/mtio.h> */ 134 /* XXX - <sys/scsiio.h> */ 135 /* XXX - should convert machine dependent ioctl()s */ 136 137 switch (FREEBSD_IOCGROUP(SCARG(uap, com))) { 138 case 'M': 139 freebsd_to_oss(uap, &ap); 140 return oss_ioctl_mixer(p, &ap, retval); 141 case 'Q': 142 freebsd_to_oss(uap, &ap); 143 return oss_ioctl_sequencer(p, &ap, retval); 144 case 'P': 145 freebsd_to_oss(uap, &ap); 146 return oss_ioctl_audio(p, &ap, retval); 147 case 'i': 148 freebsd_to_netbsd_ifioctl(uap, &nap); 149 return sys_ioctl(p, &nap, retval); 150 default: 151 return sys_ioctl(p, uap, retval); 152 } 153 } 154