strace/hdio.c

46 lines
957 B
C

/*
* Copyright (c) 2009, 2010 Jeff Mahoney <jeffm@suse.com>
* Copyright (c) 2011-2016 Dmitry V. Levin <ldv@altlinux.org>
* Copyright (c) 2016-2018 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#include "defs.h"
#include DEF_MPERS_TYPE(struct_hd_geometry)
#include <linux/hdreg.h>
typedef struct hd_geometry struct_hd_geometry;
#include MPERS_DEFS
MPERS_PRINTER_DECL(int, hdio_ioctl, struct tcb *const tcp,
const unsigned int code, const kernel_ulong_t arg)
{
switch (code) {
case HDIO_GETGEO:
if (entering(tcp))
return 0;
else {
struct_hd_geometry geo;
tprints(", ");
if (!umove_or_printaddr(tcp, arg, &geo))
tprintf("{heads=%u, sectors=%u, "
"cylinders=%hu, start=%lu}",
(unsigned) geo.heads,
(unsigned) geo.sectors,
geo.cylinders,
(unsigned long) geo.start);
}
break;
default:
return RVAL_DECODED;
}
return RVAL_IOCTL_DECODED;
}