152 lines
4.1 KiB
C
152 lines
4.1 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2015 Etienne Gemsa <etienne.gemsa@lse.epita.fr>
|
||
|
|
* Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
|
||
|
|
* Copyright (c) 2015-2018 The strace developers.
|
||
|
|
* All rights reserved.
|
||
|
|
*
|
||
|
|
* Redistribution and use in source and binary forms, with or without
|
||
|
|
* modification, are permitted provided that the following conditions
|
||
|
|
* are met:
|
||
|
|
* 1. Redistributions of source code must retain the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer.
|
||
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer in the
|
||
|
|
* documentation and/or other materials provided with the distribution.
|
||
|
|
* 3. The name of the author may not be used to endorse or promote products
|
||
|
|
* derived from this software without specific prior written permission.
|
||
|
|
*
|
||
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
||
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
||
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
||
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "defs.h"
|
||
|
|
|
||
|
|
#ifdef HAVE_LINUX_INPUT_H
|
||
|
|
|
||
|
|
#include DEF_MPERS_TYPE(struct_ff_effect)
|
||
|
|
|
||
|
|
# include <linux/ioctl.h>
|
||
|
|
# include <linux/input.h>
|
||
|
|
|
||
|
|
typedef struct ff_effect struct_ff_effect;
|
||
|
|
|
||
|
|
#endif /* HAVE_LINUX_INPUT_H */
|
||
|
|
|
||
|
|
#include MPERS_DEFS
|
||
|
|
|
||
|
|
#ifdef HAVE_LINUX_INPUT_H
|
||
|
|
|
||
|
|
static void
|
||
|
|
decode_envelope(void *const data)
|
||
|
|
{
|
||
|
|
const struct ff_envelope *const envelope = data;
|
||
|
|
|
||
|
|
tprintf(", envelope={attack_length=%" PRIu16
|
||
|
|
", attack_level=%" PRIu16
|
||
|
|
", fade_length=%" PRIu16
|
||
|
|
", fade_level=%#x}",
|
||
|
|
envelope->attack_length,
|
||
|
|
envelope->attack_level,
|
||
|
|
envelope->fade_length,
|
||
|
|
envelope->fade_level);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int
|
||
|
|
ff_effect_ioctl(struct tcb *const tcp, const kernel_ulong_t arg)
|
||
|
|
{
|
||
|
|
tprints(", ");
|
||
|
|
|
||
|
|
struct_ff_effect ffe;
|
||
|
|
|
||
|
|
if (umove_or_printaddr(tcp, arg, &ffe))
|
||
|
|
return RVAL_IOCTL_DECODED;
|
||
|
|
|
||
|
|
tprints("{type=");
|
||
|
|
print_evdev_ff_type(ffe.type);
|
||
|
|
tprintf(", id=%" PRIu16
|
||
|
|
", direction=%" PRIu16 ", ",
|
||
|
|
ffe.id,
|
||
|
|
ffe.direction);
|
||
|
|
|
||
|
|
if (abbrev(tcp)) {
|
||
|
|
tprints("...}");
|
||
|
|
return RVAL_IOCTL_DECODED;
|
||
|
|
}
|
||
|
|
|
||
|
|
tprintf("trigger={button=%" PRIu16
|
||
|
|
", interval=%" PRIu16 "}"
|
||
|
|
", replay={length=%" PRIu16
|
||
|
|
", delay=%" PRIu16 "}",
|
||
|
|
ffe.trigger.button,
|
||
|
|
ffe.trigger.interval,
|
||
|
|
ffe.replay.length,
|
||
|
|
ffe.replay.delay);
|
||
|
|
|
||
|
|
switch (ffe.type) {
|
||
|
|
case FF_CONSTANT:
|
||
|
|
tprintf(", constant={level=%" PRId16,
|
||
|
|
ffe.u.constant.level);
|
||
|
|
decode_envelope(&ffe.u.constant.envelope);
|
||
|
|
tprints("}");
|
||
|
|
break;
|
||
|
|
case FF_RAMP:
|
||
|
|
tprintf(", ramp={start_level=%" PRId16
|
||
|
|
", end_level=%" PRId16,
|
||
|
|
ffe.u.ramp.start_level,
|
||
|
|
ffe.u.ramp.end_level);
|
||
|
|
decode_envelope(&ffe.u.ramp.envelope);
|
||
|
|
tprints("}");
|
||
|
|
break;
|
||
|
|
case FF_PERIODIC:
|
||
|
|
tprintf(", periodic={waveform=%" PRIu16
|
||
|
|
", period=%" PRIu16
|
||
|
|
", magnitude=%" PRId16
|
||
|
|
", offset=%" PRId16
|
||
|
|
", phase=%" PRIu16,
|
||
|
|
ffe.u.periodic.waveform,
|
||
|
|
ffe.u.periodic.period,
|
||
|
|
ffe.u.periodic.magnitude,
|
||
|
|
ffe.u.periodic.offset,
|
||
|
|
ffe.u.periodic.phase);
|
||
|
|
decode_envelope(&ffe.u.periodic.envelope);
|
||
|
|
tprintf(", custom_len=%u, custom_data=",
|
||
|
|
ffe.u.periodic.custom_len);
|
||
|
|
printaddr(ptr_to_kulong(ffe.u.periodic.custom_data));
|
||
|
|
tprints("}");
|
||
|
|
break;
|
||
|
|
case FF_RUMBLE:
|
||
|
|
tprintf(", rumble={strong_magnitude=%" PRIu16
|
||
|
|
", weak_magnitude=%" PRIu16 "}",
|
||
|
|
ffe.u.rumble.strong_magnitude,
|
||
|
|
ffe.u.rumble.weak_magnitude);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
tprints("}");
|
||
|
|
|
||
|
|
return RVAL_IOCTL_DECODED;
|
||
|
|
}
|
||
|
|
|
||
|
|
MPERS_PRINTER_DECL(int, evdev_write_ioctl_mpers, struct tcb *const tcp,
|
||
|
|
const unsigned int code, const kernel_ulong_t arg)
|
||
|
|
{
|
||
|
|
switch (code) {
|
||
|
|
case EVIOCSFF:
|
||
|
|
return ff_effect_ioctl(tcp, arg);
|
||
|
|
default:
|
||
|
|
return RVAL_DECODED;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* HAVE_LINUX_INPUT_H */
|