1 /* $NetBSD: linux32_ioctl.c,v 1.13 2009/08/18 02:02:58 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 2006 Emmanuel Dreyfus, 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. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Emmanuel Dreyfus 17 * 4. The name of the author may not be used to endorse or promote 18 * products derived from this software without specific prior written 19 * permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE THE AUTHOR AND CONTRIBUTORS ``AS IS'' 22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 23 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS 25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include <sys/cdefs.h> 35 __KERNEL_RCSID(0, "$NetBSD: linux32_ioctl.c,v 1.13 2009/08/18 02:02:58 christos Exp $"); 36 37 #include <sys/types.h> 38 #include <sys/param.h> 39 #include <sys/time.h> 40 #include <sys/ucred.h> 41 #include <sys/ioctl.h> 42 43 #include <compat/netbsd32/netbsd32.h> 44 #include <compat/netbsd32/netbsd32_syscallargs.h> 45 46 #include <compat/linux/common/linux_types.h> 47 #include <compat/linux/common/linux_signal.h> 48 #include <compat/linux/common/linux_ipc.h> 49 #include <compat/linux/common/linux_sem.h> 50 #include <compat/linux/linux_syscallargs.h> 51 52 #include <compat/linux32/common/linux32_types.h> 53 #include <compat/linux32/common/linux32_signal.h> 54 #include <compat/linux32/common/linux32_ioctl.h> 55 #include <compat/linux32/common/linux32_termios.h> 56 #include <compat/linux32/common/linux32_sysctl.h> 57 #include <compat/linux32/linux32_syscallargs.h> 58 59 #include <compat/ossaudio/ossaudio.h> 60 #include <compat/ossaudio/ossaudiovar.h> 61 62 int 63 linux32_sys_ioctl(struct lwp *l, const struct linux32_sys_ioctl_args *uap, register_t *retval) 64 { 65 /* { 66 syscallarg(int) fd; 67 syscallarg(netbsd32_u_long) com; 68 syscallarg(netbsd32_charp) data; 69 } */ 70 struct oss_sys_ioctl_args ossuap; 71 int group; 72 int error; 73 74 group = LINUX32_IOCGROUP((int)SCARG(uap, com)); 75 76 #ifdef DEBUG_LINUX 77 printf("linux32_sys_ioctl(%d, 0x%x/\'%c\', %p)\n", SCARG(uap, fd), 78 SCARG(uap, com), (char)group, SCARG_P32(uap, data)); 79 #endif 80 81 switch(group) { 82 case 'T': 83 error = linux32_ioctl_termios(l, uap, retval); 84 break; 85 case 'M': 86 case 'Q': 87 case 'P': 88 SCARG(&ossuap, fd) = SCARG(uap, fd); 89 SCARG(&ossuap, com) = (u_long)SCARG(uap, com); 90 SCARG(&ossuap, data) = SCARG_P32(uap, data); 91 switch (group) { 92 case 'M': 93 error = oss_ioctl_mixer(l, &ossuap, retval); 94 break; 95 case 'Q': 96 error = oss_ioctl_sequencer(l, &ossuap, retval); 97 break; 98 case 'P': 99 error = oss_ioctl_audio(l, &ossuap, retval); 100 break; 101 default: 102 error = EINVAL; /* shutup gcc */ 103 break; 104 } 105 break; 106 case 'V': /* video4linux2 */ 107 case 'd': /* drm */ 108 { 109 struct sys_ioctl_args ua; 110 u_long com = 0; 111 if (SCARG(uap, com) & IOC_IN) 112 com |= IOC_OUT; 113 if (SCARG(uap, com) & IOC_OUT) 114 com |= IOC_IN; 115 SCARG(&ua, fd) = SCARG(uap, fd); 116 SCARG(&ua, com) = SCARG(uap, com); 117 SCARG(&ua, com) &= ~IOC_DIRMASK; 118 SCARG(&ua, com) |= com; 119 SCARG(&ua, data) = SCARG_P32(uap, data); 120 error = sys_ioctl(l, (const void *)&ua, retval); 121 break; 122 } 123 case 0x89: 124 error = linux32_ioctl_socket(l, uap, retval); 125 break; 126 default: 127 printf("Not yet implemented ioctl group \'%c\'\n", group); 128 error = EINVAL; 129 break; 130 } 131 132 if (error == EPASSTHROUGH) 133 error = EINVAL; 134 135 return error; 136 } 137