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linux32_ioctl.c revision 1.9 
      1 /*	$NetBSD: linux32_ioctl.c,v 1.9 2007/12/20 23:02:58 dsl 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 1.9 2007/12/20 23:02:58 dsl 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 extern int linux_ioctl_socket(struct lwp *,
     57     struct linux_sys_ioctl_args *, register_t *);
     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 	int group;
     68 	int error;
     69 
     70 	group = LINUX32_IOCGROUP((int)SCARG(uap, com));
     71 
     72 #ifdef DEBUG_LINUX
     73 	printf("linux32_sys_ioctl(%d, 0x%x/\'%c\', %p)\n", SCARG(uap, fd),
     74 	    SCARG(uap, com), (char)group, SCARG_P32(uap, data));
     75 #endif
     76 
     77 	switch(group) {
     78 	case 'T':
     79 		error = linux32_ioctl_termios(l, uap, retval);
     80 		break;
     81 	case 0x89: {
     82 		struct linux_sys_ioctl_args cup;
     83 
     84 		SCARG(&cup, fd) = SCARG(uap, fd);
     85 		SCARG(&cup, com) = (u_long)SCARG(uap, com);
     86 		SCARG(&cup, data) = SCARG_P32(uap, data);
     87 		error = linux_ioctl_socket(l, &cup, retval);
     88 		break;
     89 	}
     90 	default:
     91 		printf("Not yet implemented ioctl group \'%c\'\n", group);
     92 		error = EINVAL;
     93 		break;
     94 	}
     95 
     96 	if (error == EPASSTHROUGH)
     97 		error = EINVAL;
     98 
     99 	return error;
    100 }
    101