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      1 /*	$NetBSD: linux_fcntl64.c,v 1.4 2008/04/28 20:23:43 martin Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1995, 1998, 2000 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Frank van der Linden and Eric Haszlakiewicz.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 /*
     33  * Linux 64bit-offset filesystem calls.
     34  */
     35 
     36 #include <sys/cdefs.h>
     37 __KERNEL_RCSID(0, "$NetBSD: linux_fcntl64.c,v 1.4 2008/04/28 20:23:43 martin Exp $");
     38 
     39 #include <sys/param.h>
     40 #include <sys/systm.h>
     41 #include <sys/proc.h>
     42 #include <sys/file.h>
     43 #include <sys/filedesc.h>
     44 #include <sys/fstypes.h>
     45 #include <sys/vfs_syscalls.h>
     46 #include <sys/conf.h>
     47 
     48 #include <sys/syscallargs.h>
     49 
     50 #include <compat/linux/common/linux_types.h>
     51 #include <compat/linux/common/linux_fcntl.h>
     52 #include <compat/linux/common/linux_machdep.h>
     53 
     54 #include <compat/linux/linux_syscallargs.h>
     55 
     56 conv_linux_flock(linux, flock64)
     57 
     58 int
     59 linux_sys_fcntl64(struct lwp *l, const struct linux_sys_fcntl64_args *uap, register_t *retval)
     60 {
     61 	/* {
     62 		syscallarg(int) fd;
     63 		syscallarg(int) cmd;
     64 		syscallarg(void *) arg;
     65 	} */
     66 	int cmd = SCARG(uap, cmd);
     67 
     68 	switch (cmd) {
     69 	case LINUX_F_GETLK64:
     70 		do_linux_getlk(SCARG(uap, fd), cmd, SCARG(uap, arg),
     71 		    linux, flock64);
     72 	case LINUX_F_SETLK64:
     73 	case LINUX_F_SETLKW64:
     74 		do_linux_setlk(SCARG(uap, fd), cmd, SCARG(uap, arg),
     75 		    linux, flock64, LINUX_F_SETLK64);
     76 	default:
     77 		return linux_sys_fcntl(l, (const void *)uap, retval);
     78 	}
     79 }
     80