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      1 /*
      2  * Copyright (c) 2009, 2010 Jeff Mahoney <jeffm (at) suse.com>
      3  * Copyright (c) 2011-2016 Dmitry V. Levin <ldv (at) altlinux.org>
      4  * Copyright (c) 2016-2017 The strace developers.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. The name of the author may not be used to endorse or promote products
     16  *    derived from this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     28  */
     29 
     30 #include "defs.h"
     31 
     32 #include DEF_MPERS_TYPE(struct_hd_geometry)
     33 
     34 #include <linux/hdreg.h>
     35 
     36 typedef struct hd_geometry struct_hd_geometry;
     37 
     38 #include MPERS_DEFS
     39 
     40 MPERS_PRINTER_DECL(int, hdio_ioctl, struct tcb *const tcp,
     41 		   const unsigned int code, const kernel_ulong_t arg)
     42 {
     43 	switch (code) {
     44 	case HDIO_GETGEO:
     45 		if (entering(tcp))
     46 			return 0;
     47 		else {
     48 			struct_hd_geometry geo;
     49 
     50 			tprints(", ");
     51 			if (!umove_or_printaddr(tcp, arg, &geo))
     52 				tprintf("{heads=%u, sectors=%u, "
     53 					"cylinders=%hu, start=%lu}",
     54 					(unsigned) geo.heads,
     55 					(unsigned) geo.sectors,
     56 					geo.cylinders,
     57 					(unsigned long) geo.start);
     58 		}
     59 		break;
     60 	default:
     61 		return RVAL_DECODED;
     62 	}
     63 
     64 	return RVAL_IOCTL_DECODED;
     65 }
     66