sys/compat/linux32/common/linux32_ioctl.c

   1 /*      $NetBSD: linux32_ioctl.c,v 1.12 2008/11/19 18:36:04 ad 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 1.12 2008/11/19 18:36:04 ad 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 }