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linux32_misc.c revision 1.7.18.1 
      1 /*	$NetBSD: linux32_misc.c,v 1.7.18.1 2007/12/26 19:49:23 ad Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1995, 1998, 1999 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; by Jason R. Thorpe
      9  * of the Numerical Aerospace Simulation Facility, NASA Ames Research Center;
     10  * by Edgar Fu\ss, Mathematisches Institut der Uni Bonn.
     11  *
     12  * Redistribution and use in source and binary forms, with or without
     13  * modification, are permitted provided that the following conditions
     14  * are met:
     15  * 1. Redistributions of source code must retain the above copyright
     16  *    notice, this list of conditions and the following disclaimer.
     17  * 2. Redistributions in binary form must reproduce the above copyright
     18  *    notice, this list of conditions and the following disclaimer in the
     19  *    documentation and/or other materials provided with the distribution.
     20  * 3. All advertising materials mentioning features or use of this software
     21  *    must display the following acknowledgement:
     22  *	This product includes software developed by the NetBSD
     23  *	Foundation, Inc. and its contributors.
     24  * 4. Neither the name of The NetBSD Foundation nor the names of its
     25  *    contributors may be used to endorse or promote products derived
     26  *    from this software without specific prior written permission.
     27  *
     28  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     29  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     30  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     31  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     32  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     33  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     34  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     35  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     36  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     37  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     38  * POSSIBILITY OF SUCH DAMAGE.
     39  */
     40 
     41 #include <sys/cdefs.h>
     42 __KERNEL_RCSID(0, "$NetBSD: linux32_misc.c,v 1.7.18.1 2007/12/26 19:49:23 ad Exp $");
     43 
     44 #include <sys/param.h>
     45 #include <sys/proc.h>
     46 #include <sys/time.h>
     47 #include <sys/types.h>
     48 #include <sys/malloc.h>
     49 #include <sys/fstypes.h>
     50 #include <sys/vfs_syscalls.h>
     51 
     52 #include <compat/netbsd32/netbsd32.h>
     53 #include <compat/netbsd32/netbsd32_syscallargs.h>
     54 
     55 #include <compat/linux32/common/linux32_types.h>
     56 #include <compat/linux32/common/linux32_signal.h>
     57 #include <compat/linux32/linux32_syscallargs.h>
     58 
     59 #include <compat/linux/common/linux_types.h>
     60 #include <compat/linux/common/linux_signal.h>
     61 #include <compat/linux/common/linux_misc.h>
     62 #include <compat/linux/common/linux_statfs.h>
     63 #include <compat/linux/linux_syscallargs.h>
     64 
     65 extern const struct linux_mnttypes linux_fstypes[];
     66 extern const int linux_fstypes_cnt;
     67 
     68 
     69 /*
     70  * Implement the fs stat functions. Straightforward.
     71  */
     72 int
     73 linux32_sys_statfs(struct lwp *l, const struct linux32_sys_statfs_args *uap, register_t *retval)
     74 {
     75 	/* {
     76 		syscallarg(const netbsd32_charp char) path;
     77 		syscallarg(linux32_statfsp) sp;
     78 	} */
     79 	struct statvfs *sb;
     80 	struct linux_statfs ltmp;
     81 	int error;
     82 
     83 	sb = STATVFSBUF_GET();
     84 	error = do_sys_pstatvfs(l, SCARG_P32(uap, path), ST_WAIT, sb);
     85 	if (error == 0) {
     86 		bsd_to_linux_statfs(sb, &ltmp);
     87 		error = copyout(&ltmp, SCARG_P32(uap, sp), sizeof ltmp);
     88 	}
     89 
     90 	STATVFSBUF_PUT(sb);
     91 	return error;
     92 }
     93