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linux32_misc.c revision 1.9.6.1 
      1 /*	$NetBSD: linux32_misc.c,v 1.9.6.1 2008/06/02 13:23:04 mjf 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  *
     21  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     22  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     23  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     24  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION 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_misc.c,v 1.9.6.1 2008/06/02 13:23:04 mjf Exp $");
     36 
     37 #include <sys/param.h>
     38 #include <sys/proc.h>
     39 #include <sys/time.h>
     40 #include <sys/types.h>
     41 #include <sys/malloc.h>
     42 #include <sys/fstypes.h>
     43 #include <sys/vfs_syscalls.h>
     44 
     45 #include <compat/netbsd32/netbsd32.h>
     46 #include <compat/netbsd32/netbsd32_syscallargs.h>
     47 
     48 #include <compat/linux32/common/linux32_types.h>
     49 #include <compat/linux32/common/linux32_signal.h>
     50 #include <compat/linux32/linux32_syscallargs.h>
     51 
     52 #include <compat/linux/common/linux_types.h>
     53 #include <compat/linux/common/linux_signal.h>
     54 #include <compat/linux/common/linux_misc.h>
     55 #include <compat/linux/common/linux_statfs.h>
     56 #include <compat/linux/linux_syscallargs.h>
     57 
     58 extern const struct linux_mnttypes linux_fstypes[];
     59 extern const int linux_fstypes_cnt;
     60 
     61 
     62 /*
     63  * Implement the fs stat functions. Straightforward.
     64  */
     65 int
     66 linux32_sys_statfs(struct lwp *l, const struct linux32_sys_statfs_args *uap, register_t *retval)
     67 {
     68 	/* {
     69 		syscallarg(const netbsd32_charp char) path;
     70 		syscallarg(linux32_statfsp) sp;
     71 	} */
     72 	struct statvfs *sb;
     73 	struct linux_statfs ltmp;
     74 	int error;
     75 
     76 	sb = STATVFSBUF_GET();
     77 	error = do_sys_pstatvfs(l, SCARG_P32(uap, path), ST_WAIT, sb);
     78 	if (error == 0) {
     79 		bsd_to_linux_statfs(sb, &ltmp);
     80 		error = copyout(&ltmp, SCARG_P32(uap, sp), sizeof ltmp);
     81 	}
     82 
     83 	STATVFSBUF_PUT(sb);
     84 	return error;
     85 }
     86