1 /* $NetBSD: freebsd_ioctl.c,v 1.9 2003/06/29 22:29:16 fvdl 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 1.9 2003/06/29 22:29:16 fvdl 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/sa.h> 44 #include <sys/syscallargs.h> 45 46 #include <net/if.h> 47 48 #include <compat/freebsd/freebsd_syscallargs.h> 49 #include <compat/common/compat_util.h> 50 #include <compat/freebsd/freebsd_ioctl.h> 51 52 #include <compat/ossaudio/ossaudio.h> 53 #include <compat/ossaudio/ossaudiovar.h> 54 55 /* The FreeBSD and OSS(Linux) encodings of ioctl R/W differ. */ 56 static void freebsd_to_oss(struct freebsd_sys_ioctl_args *, 57 struct oss_sys_ioctl_args *); 58 59 static void 60 freebsd_to_oss(uap, rap) 61 struct freebsd_sys_ioctl_args *uap; 62 struct oss_sys_ioctl_args *rap; 63 { 64 u_long ocmd, ncmd; 65 66 ocmd = SCARG(uap, com); 67 ncmd = ocmd &~ FREEBSD_IOC_DIRMASK; 68 switch(ocmd & FREEBSD_IOC_DIRMASK) { 69 case FREEBSD_IOC_VOID: ncmd |= OSS_IOC_VOID; break; 70 case FREEBSD_IOC_OUT: ncmd |= OSS_IOC_OUT; break; 71 case FREEBSD_IOC_IN: ncmd |= OSS_IOC_IN; break; 72 case FREEBSD_IOC_INOUT: ncmd |= OSS_IOC_INOUT; break; 73 } 74 SCARG(rap, fd) = SCARG(uap, fd); 75 SCARG(rap, com) = ncmd; 76 SCARG(rap, data) = SCARG(uap, data); 77 } 78 79 80 static void freebsd_to_netbsd_ifioctl(struct freebsd_sys_ioctl_args *uap, 81 struct sys_ioctl_args *nap); 82 83 static void 84 freebsd_to_netbsd_ifioctl(uap, nap) 85 struct freebsd_sys_ioctl_args *uap; 86 struct sys_ioctl_args *nap; 87 { 88 u_long ocmd, ncmd; 89 ocmd = SCARG(uap, com); 90 switch (ocmd) { 91 case FREEBSD_SIOCALIFADDR: 92 ncmd =SIOCALIFADDR; 93 break; 94 case FREEBSD_SIOCGLIFADDR: 95 ncmd =SIOCGLIFADDR; 96 break; 97 case FREEBSD_SIOCDLIFADDR: 98 ncmd =SIOCDLIFADDR; 99 break; 100 case FREEBSD_SIOCGIFMTU: 101 ncmd = SIOCGIFMTU; 102 break; 103 case FREEBSD_SIOCSIFMTU: 104 ncmd = SIOCSIFMTU; 105 break; 106 default: 107 ncmd = ocmd; 108 break; 109 } 110 SCARG(nap, fd) = SCARG(uap, fd); 111 SCARG(nap, com) = ncmd; 112 SCARG(nap, data) = SCARG(uap, data); 113 } 114 115 int 116 freebsd_sys_ioctl(l, v, retval) 117 struct lwp *l; 118 void *v; 119 register_t *retval; 120 { 121 struct freebsd_sys_ioctl_args /* { 122 syscallarg(int) fd; 123 syscallarg(u_long) com; 124 syscallarg(caddr_t) data; 125 } */ *uap = v; 126 struct proc *p = l->l_proc; 127 struct oss_sys_ioctl_args ap; 128 struct sys_ioctl_args nap; 129 130 /* 131 * XXX - <sys/cdio.h>'s incompatibility 132 * _IO('c', 25..27, *): incompatible 133 * _IO('c', 28... , *): not exist 134 */ 135 /* XXX - <sys/mtio.h> */ 136 /* XXX - <sys/scsiio.h> */ 137 /* XXX - should convert machine dependent ioctl()s */ 138 139 switch (FREEBSD_IOCGROUP(SCARG(uap, com))) { 140 case 'M': 141 freebsd_to_oss(uap, &ap); 142 return oss_ioctl_mixer(p, &ap, retval); 143 case 'Q': 144 freebsd_to_oss(uap, &ap); 145 return oss_ioctl_sequencer(p, &ap, retval); 146 case 'P': 147 freebsd_to_oss(uap, &ap); 148 return oss_ioctl_audio(p, &ap, retval); 149 case 'i': 150 freebsd_to_netbsd_ifioctl(uap, &nap); 151 return sys_ioctl(l, &nap, retval); 152 default: 153 return sys_ioctl(l, uap, retval); 154 } 155 } 156