linux32_ioctl.c

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    1 /*      $NetBSD: linux32_ioctl.c,v 1.11 2008/06/19 16:09:25 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 1.11 2008/06/19 16:09:25 christos Exp $");
   36 
   37 #include <sys/types.h>
   38 #include <sys/param.h>
   39 #include <sys/time.h>
   40 #include <sys/ucred.h>
   41 
   42 #include <compat/netbsd32/netbsd32.h>
   43 #include <compat/netbsd32/netbsd32_syscallargs.h>
   44 
   45 #include <compat/linux/common/linux_types.h>
   46 #include <compat/linux/common/linux_signal.h>
   47 #include <compat/linux/linux_syscallargs.h>
   48 
   49 #include <compat/linux32/common/linux32_types.h>
   50 #include <compat/linux32/common/linux32_signal.h>
   51 #include <compat/linux32/common/linux32_ioctl.h>
   52 #include <compat/linux32/common/linux32_termios.h>
   53 #include <compat/linux32/common/linux32_sysctl.h>
   54 #include <compat/linux32/linux32_syscallargs.h>
   55 
   56 #include <compat/ossaudio/ossaudio.h>
   57 #include <compat/ossaudio/ossaudiovar.h>
   58 
   59 int
   60 linux32_sys_ioctl(struct lwp *l, const struct linux32_sys_ioctl_args *uap, register_t *retval)
   61 {
   62         /* {
   63                 syscallarg(int) fd;
   64                 syscallarg(netbsd32_u_long) com;
   65                 syscallarg(netbsd32_charp) data;
   66         } */
   67         struct oss_sys_ioctl_args ossuap;
   68         int group;
   69         int error;
   70 
   71         group = LINUX32_IOCGROUP((int)SCARG(uap, com));
   72 
   73 #ifdef DEBUG_LINUX
   74         printf("linux32_sys_ioctl(%d, 0x%x/\'%c\', %p)\n", SCARG(uap, fd),
   75             SCARG(uap, com), (char)group, SCARG_P32(uap, data));
   76 #endif
   77 
   78         switch(group) {
   79         case 'T':
   80                 error = linux32_ioctl_termios(l, uap, retval);
   81                 break;
   82         case 'M':
   83         case 'Q':
   84         case 'P':
   85                 SCARG(&ossuap, fd) = SCARG(uap, fd);
   86                 SCARG(&ossuap, com) = (u_long)SCARG(uap, com);
   87                 SCARG(&ossuap, data) = SCARG_P32(uap, data);
   88                 switch (group) {
   89                 case 'M':
   90                         error = oss_ioctl_mixer(l, &ossuap, retval);
   91                         break;
   92                 case 'Q':
   93                         error = oss_ioctl_sequencer(l, &ossuap, retval);
   94                         break;
   95                 case 'P':
   96                         error = oss_ioctl_audio(l, &ossuap, retval);
   97                         break;
   98                 default:
   99                         error = EINVAL; /* shutup gcc */
  100                         break;
  101                 }
  102                 break;
  103         case 0x89:
  104                 error = linux32_ioctl_socket(l, uap, retval);
  105                 break;
  106         default:
  107                 printf("Not yet implemented ioctl group \'%c\'\n", group);
  108                 error = EINVAL;
  109                 break;
  110         }
  111 
  112         if (error == EPASSTHROUGH)
  113                 error = EINVAL;
  114 
  115         return error;
  116 }

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FreeBSD/Linux Kernel Cross Reference sys/compat/linux32/common/linux32_ioctl.c

FreeBSD/Linux Kernel Cross Reference
sys/compat/linux32/common/linux32_ioctl.c