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1 /*
2  * Copyright (c) 2009, 2010 Jeff Mahoney <jeffm@suse.com>
3  * Copyright (c) 2011-2016 Dmitry V. Levin <ldv@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 
MPERS_PRINTER_DECL(int,hdio_ioctl,struct tcb * const tcp,const unsigned int code,const kernel_ulong_t arg)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