/*
* Copyright (c) 2015 Etienne Gemsa <etienne.gemsa@lse.epita.fr>
- * Copyright (c) 2015 Dmitry V. Levin <ldv@altlinux.org>
+ * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
#ifdef HAVE_LINUX_INPUT_H
+#include DEF_MPERS_TYPE(struct_ff_effect)
+
# include <linux/ioctl.h>
# include <linux/input.h>
-# include "xlat/evdev_abs.h"
+
+typedef struct ff_effect struct_ff_effect;
+
+#endif /* HAVE_LINUX_INPUT_H */
+
+#include MPERS_DEFS
+
+#ifdef HAVE_LINUX_INPUT_H
+
# include "xlat/evdev_autorepeat.h"
# include "xlat/evdev_ff_status.h"
# include "xlat/evdev_ff_types.h"
# endif
static void
-decode_envelope(struct ff_envelope *envelope)
+decode_envelope(void *const data)
{
- tprintf(", envelope={attack_length=%" PRIu16 ", attack_level=%" PRIu16
- ", fade_length=%" PRIu16 ", fade_level=%" PRIx32 "}",
+ 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,
}
static int
-ff_effect_ioctl(struct tcb *tcp, long arg)
+ff_effect_ioctl(struct tcb *const tcp, const kernel_ulong_t arg)
{
- struct ff_effect ffe;
+ tprints(", ");
- if (!verbose(tcp) || umove(tcp, arg, &ffe) < 0)
- return 0;
+ struct_ff_effect ffe;
- tprints(", {type=");
+ if (umove_or_printaddr(tcp, arg, &ffe))
+ return 1;
+
+ tprints("{type=");
printxval(evdev_ff_types, ffe.type, "FF_???");
- tprintf(", id=%" PRIu16 ", direction=%" PRIu16,
- ffe.id, ffe.direction);
+ tprintf(", id=%" PRIu16
+ ", direction=%" PRIu16 ", ",
+ ffe.id,
+ ffe.direction);
- if (!abbrev(tcp)) {
- tprintf(", trigger={button=%" PRIu16 ", interval=%" PRIu16 "}",
- ffe.trigger.button, ffe.trigger.interval);
- tprintf(", replay={lenght=%" PRIu16 ", delay=%" PRIu16 "}",
- ffe.replay.length, ffe.replay.delay);
- switch (ffe.type) {
- case FF_CONSTANT:
- tprintf(", constant_ef={%" PRIi16,
- ffe.u.constant.level);
- decode_envelope(&ffe.u.constant.envelope);
- tprints("}");
- return 1;
- case FF_RAMP:
- tprintf(", ramp={start_level=%" PRIi16
- ", end_level=%" PRIi16,
- ffe.u.ramp.start_level,
- ffe.u.ramp.end_level);
- decode_envelope(&ffe.u.ramp.envelope);
- tprints("}");
- return 1;
- case FF_PERIODIC:
- tprintf(", periodic_ef={waveform=%" PRIu16
- ", period=%" PRIu16
- ", magnitude=%" PRIi16
- ", offset=%" PRIi16
- ", 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=%" PRIu32
- ", *custom_data=%#lx}",
- ffe.u.periodic.custom_len,
- (unsigned long)ffe.u.periodic.custom_data);
- return 1;
- case FF_RUMBLE:
- tprintf(", rumble={strong_magnitude=%" PRIu16
- ", weak_magnitude=%" PRIu16 "}",
- ffe.u.rumble.strong_magnitude,
- ffe.u.rumble.weak_magnitude);
- return 1;
- case FF_SPRING:
- case FF_FRICTION:
- case FF_DAMPER:
- case FF_INERTIA:
- case FF_CUSTOM:
- break;
- default :
- break;
- }
+ if (abbrev(tcp)) {
+ tprints("...}");
+ return 1;
+ }
+
+ 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(", ...}");
+ tprints("}");
+
return 1;
}
static int
-abs_ioctl(struct tcb *tcp, long arg)
+abs_ioctl(struct tcb *const tcp, const kernel_ulong_t arg)
{
- struct input_absinfo absinfo;
+ tprints(", ");
- if (!verbose(tcp) || umove(tcp, arg, &absinfo) < 0)
- return 0;
+ struct input_absinfo absinfo;
- tprintf(", {value=%" PRIu32 ", minimum=%" PRIu32,
- absinfo.value, absinfo.minimum);
- if (!abbrev(tcp)) {
- tprintf(", maximum=%" PRIu32 ", fuzz=%" PRIu32,
- absinfo.maximum, absinfo.fuzz);
- tprintf(", flat=%" PRIu32, absinfo.flat);
+ if (!umove_or_printaddr(tcp, arg, &absinfo)) {
+ tprintf("{value=%u"
+ ", minimum=%u, ",
+ absinfo.value,
+ absinfo.minimum);
+
+ if (!abbrev(tcp)) {
+ tprintf("maximum=%u"
+ ", fuzz=%u"
+ ", flat=%u",
+ absinfo.maximum,
+ absinfo.fuzz,
+ absinfo.flat);
# ifdef HAVE_STRUCT_INPUT_ABSINFO_RESOLUTION
- tprintf(", resolution=%" PRIu32, absinfo.resolution);
+ tprintf(", resolution=%u",
+ absinfo.resolution);
# endif
+ } else {
+ tprints("...");
+ }
+
tprints("}");
- } else {
- tprints(", ...}");
}
+
return 1;
}
static int
-keycode_ioctl(struct tcb *tcp, long arg)
+keycode_ioctl(struct tcb *const tcp, const kernel_ulong_t arg)
{
+ tprints(", ");
+
unsigned int keycode[2];
- if (!arg) {
- tprints(", NULL");
- return 1;
+ if (!umove_or_printaddr(tcp, arg, &keycode)) {
+ tprintf("[%u, ", keycode[0]);
+ printxval(evdev_keycode, keycode[1], "KEY_???");
+ tprints("]");
}
- if (!verbose(tcp) || umove(tcp, arg, &keycode) < 0)
- return 0;
-
- tprintf(", [%u, ", keycode[0]);
- printxval(evdev_keycode, keycode[1], "KEY_???");
- tprints("]");
return 1;
}
# ifdef EVIOCGKEYCODE_V2
static int
-keycode_V2_ioctl(struct tcb *tcp, long arg)
+keycode_V2_ioctl(struct tcb *const tcp, const kernel_ulong_t arg)
{
+ tprints(", ");
+
struct input_keymap_entry ike;
- if (!arg) {
- tprints(", NULL");
+ if (umove_or_printaddr(tcp, arg, &ike))
return 1;
- }
- if (!verbose(tcp) || umove(tcp, arg, &ike) < 0)
- return 0;
+ tprintf("{flags=%" PRIu8
+ ", len=%" PRIu8 ", ",
+ ike.flags,
+ ike.len);
- tprintf(", {flags=%" PRIu8 ", len=%" PRIu8, ike.flags, ike.len);
if (!abbrev(tcp)) {
unsigned int i;
- tprintf(", index=%" PRIu16 ", keycode=", ike.index);
+ tprintf("index=%" PRIu16 ", keycode=", ike.index);
printxval(evdev_keycode, ike.keycode, "KEY_???");
tprints(", scancode=[");
for (i = 0; i < ARRAY_SIZE(ike.scancode); i++) {
tprints(", ");
tprintf("%" PRIx8, ike.scancode[i]);
}
- tprints("]}");
+ tprints("]");
} else {
- tprints(", ...}");
+ tprints("...");
}
+
+ tprints("}");
+
return 1;
}
# endif /* EVIOCGKEYCODE_V2 */
static int
-getid_ioctl(struct tcb *tcp, long arg)
+getid_ioctl(struct tcb *const tcp, const kernel_ulong_t arg)
{
+ tprints(", ");
+
struct input_id id;
- if (!verbose(tcp) || umove(tcp, arg, &id) < 0)
- return 0;
+ if (!umove_or_printaddr(tcp, arg, &id))
+ tprintf("{ID_BUS=%" PRIu16
+ ", ID_VENDOR=%" PRIu16
+ ", ID_PRODUCT=%" PRIu16
+ ", ID_VERSION=%" PRIu16 "}",
+ id.bustype,
+ id.vendor,
+ id.product,
+ id.version);
- tprintf(", {ID_BUS=%" PRIu16 ", ID_VENDOR=%" PRIu16,
- id.bustype, id.vendor);
- if (!abbrev(tcp)) {
- tprintf(", ID_PRODUCT=%" PRIu16 ", ID_VERSION=%" PRIu16 "}",
- id.product, id.version);
- } else {
- tprints(", ...}");
- }
return 1;
}
static int
-decode_bitset(struct tcb *tcp, long arg, const struct xlat decode_nr[],
- const unsigned int max_nr, const char *dflt)
+decode_bitset(struct tcb *const tcp, const kernel_ulong_t arg,
+ const struct xlat decode_nr[], const unsigned int max_nr,
+ const char *const dflt)
{
- if (!verbose(tcp))
- return 0;
+ tprints(", ");
unsigned int size;
- if ((unsigned long) tcp->u_rval > max_nr)
+ if ((kernel_ulong_t) tcp->u_rval > max_nr)
size = max_nr;
else
size = tcp->u_rval;
char decoded_arg[size];
- if (umoven(tcp, arg, size, decoded_arg) < 0)
- return 0;
+ if (umove_or_printaddr(tcp, arg, &decoded_arg))
+ return 1;
- tprints(", [");
+ tprints("[");
int bit_displayed = 0;
int i = next_set_bit(decoded_arg, 0, size);
# ifdef EVIOCGMTSLOTS
static int
-mtslots_ioctl(struct tcb *tcp, const unsigned int code, long arg)
+mtslots_ioctl(struct tcb *const tcp, const unsigned int code,
+ const kernel_ulong_t arg)
{
- const size_t size = _IOC_SIZE(code) / sizeof(int32_t);
- if (!size)
- return 0;
+ tprints(", ");
- int32_t buffer[size];
+ const size_t size = _IOC_SIZE(code) / sizeof(int);
+ if (!size) {
+ printaddr(arg);
+ return 1;
+ }
- if (!verbose(tcp) || umove(tcp, arg, &buffer) < 0)
- return 0;
+ int buffer[size];
- tprints(", {code=");
+ if (umove_or_printaddr(tcp, arg, &buffer))
+ return 1;
+
+ tprints("{code=");
printxval(evdev_mtslots, buffer[0], "ABS_MT_???");
- unsigned int i;
tprints(", values=[");
+ unsigned int i;
for (i = 1; i < ARRAY_SIZE(buffer); i++)
tprintf("%s%d", i > 1 ? ", " : "", buffer[i]);
tprints("]}");
+
return 1;
}
# endif /* EVIOCGMTSLOTS */
# if defined EVIOCGREP || defined EVIOCSREP
static int
-repeat_ioctl(struct tcb *tcp, long arg)
+repeat_ioctl(struct tcb *const tcp, const kernel_ulong_t arg)
{
tprints(", ");
printpair_int(tcp, arg, "%u");
# endif /* EVIOCGREP || EVIOCSREP */
static int
-evdev_read_ioctl(struct tcb *tcp, const unsigned int code, long arg)
+bit_ioctl(struct tcb *const tcp, const unsigned int ev_nr,
+ const kernel_ulong_t arg)
{
- if (entering(tcp))
- return 1;
-
- if (syserror(tcp))
- return 0;
-
- if ((_IOC_NR(code) & ~EV_MAX) == _IOC_NR(EVIOCGBIT(0, 0))) {
- switch (_IOC_NR(code) - 0x20) {
- case EV_SYN:
- return decode_bitset(tcp, arg, evdev_sync,
- SYN_MAX, "SYN_???");
- case EV_KEY:
- return decode_bitset(tcp, arg, evdev_keycode,
- KEY_MAX, "KEY_???");
- case EV_REL:
- return decode_bitset(tcp, arg, evdev_relative_axes,
- REL_MAX, "REL_???");
- case EV_ABS:
- return decode_bitset(tcp, arg,
- evdev_abs, ABS_MAX, "ABS_???");
- case EV_MSC:
- return decode_bitset(tcp, arg,
- evdev_misc, MSC_MAX, "MSC_???");
+ switch (ev_nr) {
+ case EV_SYN:
+ return decode_bitset(tcp, arg, evdev_sync,
+ SYN_MAX, "SYN_???");
+ case EV_KEY:
+ return decode_bitset(tcp, arg, evdev_keycode,
+ KEY_MAX, "KEY_???");
+ case EV_REL:
+ return decode_bitset(tcp, arg, evdev_relative_axes,
+ REL_MAX, "REL_???");
+ case EV_ABS:
+ return decode_bitset(tcp, arg, evdev_abs,
+ ABS_MAX, "ABS_???");
+ case EV_MSC:
+ return decode_bitset(tcp, arg, evdev_misc,
+ MSC_MAX, "MSC_???");
# ifdef EV_SW
- case EV_SW:
- return decode_bitset(tcp, arg,
- evdev_switch, SW_MAX, "SW_???");
+ case EV_SW:
+ return decode_bitset(tcp, arg, evdev_switch,
+ SW_MAX, "SW_???");
# endif
- case EV_LED:
- return decode_bitset(tcp, arg,
- evdev_leds, LED_MAX, "LED_???");
- case EV_SND:
- return decode_bitset(tcp, arg,
- evdev_snd, SND_MAX, "SND_???");
- case EV_REP:
- return decode_bitset(tcp, arg, evdev_autorepeat,
- REP_MAX, "REP_???");
- case EV_FF:
- return decode_bitset(tcp, arg, evdev_ff_types,
- FF_MAX, "FF_???");
- case EV_PWR:
- printnum_int(tcp, arg, "%d");
- return 1;
- case EV_FF_STATUS:
- return decode_bitset(tcp, arg, evdev_ff_status,
- FF_STATUS_MAX, "FF_STATUS_???");
- default:
- return 0;
- }
+ case EV_LED:
+ return decode_bitset(tcp, arg, evdev_leds,
+ LED_MAX, "LED_???");
+ case EV_SND:
+ return decode_bitset(tcp, arg, evdev_snd,
+ SND_MAX, "SND_???");
+ case EV_REP:
+ return decode_bitset(tcp, arg, evdev_autorepeat,
+ REP_MAX, "REP_???");
+ case EV_FF:
+ return decode_bitset(tcp, arg, evdev_ff_types,
+ FF_MAX, "FF_???");
+ case EV_PWR:
+ tprints(", ");
+ printnum_int(tcp, arg, "%d");
+ return 1;
+ case EV_FF_STATUS:
+ return decode_bitset(tcp, arg, evdev_ff_status,
+ FF_STATUS_MAX, "FF_STATUS_???");
+ default:
+ tprints(", ");
+ printaddr(arg);
+ return 1;
}
+}
- if ((_IOC_NR(code) & ~ABS_MAX) == _IOC_NR(EVIOCGABS(0)))
- return abs_ioctl(tcp, arg);
-
+static int
+evdev_read_ioctl(struct tcb *const tcp, const unsigned int code,
+ const kernel_ulong_t arg)
+{
+ /* fixed-number fixed-length commands */
switch (code) {
case EVIOCGVERSION:
tprints(", ");
- printnum_int(tcp, arg, "%" PRIx32);
+ printnum_int(tcp, arg, "%#x");
return 1;
case EVIOCGEFFECTS:
tprints(", ");
- printnum_int(tcp, arg, "%" PRIu32);
+ printnum_int(tcp, arg, "%u");
return 1;
case EVIOCGID:
return getid_ioctl(tcp, arg);
# ifdef EVIOCGREP
case EVIOCGREP:
- return repeat_ioctl(tcp, arg);;
+ return repeat_ioctl(tcp, arg);
# endif
case EVIOCGKEYCODE:
return keycode_ioctl(tcp, arg);
# endif
}
+ /* fixed-number variable-length commands */
switch (_IOC_NR(code)) {
# ifdef EVIOCGMTSLOTS
case _IOC_NR(EVIOCGMTSLOTS(0)):
case _IOC_NR(EVIOCGPHYS(0)):
case _IOC_NR(EVIOCGUNIQ(0)):
tprints(", ");
- printstr(tcp, arg, tcp->u_rval - 1);
+ if (syserror(tcp))
+ printaddr(arg);
+ else
+ printstrn(tcp, arg, tcp->u_rval);
return 1;
# ifdef EVIOCGPROP
case _IOC_NR(EVIOCGPROP(0)):
- return decode_bitset(tcp, arg,
- evdev_prop, INPUT_PROP_MAX, "PROP_???");
+ return decode_bitset(tcp, arg, evdev_prop,
+ INPUT_PROP_MAX, "PROP_???");
# endif
case _IOC_NR(EVIOCGSND(0)):
- return decode_bitset(tcp, arg,
- evdev_snd, SND_MAX, "SND_???");
+ return decode_bitset(tcp, arg, evdev_snd,
+ SND_MAX, "SND_???");
# ifdef EVIOCGSW
case _IOC_NR(EVIOCGSW(0)):
- return decode_bitset(tcp, arg,
- evdev_switch, SW_MAX, "SW_???");
+ return decode_bitset(tcp, arg, evdev_switch,
+ SW_MAX, "SW_???");
# endif
case _IOC_NR(EVIOCGKEY(0)):
- return decode_bitset(tcp, arg,
- evdev_keycode, KEY_MAX, "KEY_???");
+ return decode_bitset(tcp, arg, evdev_keycode,
+ KEY_MAX, "KEY_???");
case _IOC_NR(EVIOCGLED(0)):
- return decode_bitset(tcp, arg,
- evdev_leds, LED_MAX, "LED_???");
- default:
- return 0;
+ return decode_bitset(tcp, arg, evdev_leds,
+ LED_MAX, "LED_???");
}
+
+ /* multi-number fixed-length commands */
+ if ((_IOC_NR(code) & ~ABS_MAX) == _IOC_NR(EVIOCGABS(0)))
+ return abs_ioctl(tcp, arg);
+
+ /* multi-number variable-length commands */
+ if ((_IOC_NR(code) & ~EV_MAX) == _IOC_NR(EVIOCGBIT(0, 0)))
+ return bit_ioctl(tcp, _IOC_NR(code) & EV_MAX, arg);
+
+ return 0;
}
static int
-evdev_write_ioctl(struct tcb *tcp, const unsigned int code, long arg)
+evdev_write_ioctl(struct tcb *const tcp, const unsigned int code,
+ const kernel_ulong_t arg)
{
- if (exiting(tcp))
- return 1;
-
- if ((_IOC_NR(code) & ~ABS_MAX) == _IOC_NR(EVIOCSABS(0)))
- return abs_ioctl(tcp, arg);
-
+ /* fixed-number fixed-length commands */
switch (code) {
# ifdef EVIOCSREP
case EVIOCSREP:
case EVIOCSFF:
return ff_effect_ioctl(tcp, arg);
case EVIOCRMFF:
-# ifdef EVIOCSCLOCKID
- case EVIOCSCLOCKID:
-# endif
+ tprintf(", %d", (int) arg);
+ return 1;
case EVIOCGRAB:
# ifdef EVIOCREVOKE
case EVIOCREVOKE:
# endif
+ tprintf(", %" PRI_klu, arg);
+ return 1;
+# ifdef EVIOCSCLOCKID
+ case EVIOCSCLOCKID:
tprints(", ");
printnum_int(tcp, arg, "%u");
return 1;
- default:
- return 0;
+# endif
}
+
+ /* multi-number fixed-length commands */
+ if ((_IOC_NR(code) & ~ABS_MAX) == _IOC_NR(EVIOCSABS(0)))
+ return abs_ioctl(tcp, arg);
+
+ return 0;
}
-int
-evdev_ioctl(struct tcb *tcp, const unsigned int code, long arg)
+MPERS_PRINTER_DECL(int, evdev_ioctl, struct tcb *const tcp,
+ const unsigned int code, const kernel_ulong_t arg)
{
switch(_IOC_DIR(code)) {
case _IOC_READ:
+ if (entering(tcp))
+ return 0;
return evdev_read_ioctl(tcp, code, arg);
case _IOC_WRITE:
- if (!evdev_write_ioctl(tcp, code, arg))
- tprintf(", %lx", arg);
- return 1;
+ return evdev_write_ioctl(tcp, code, arg) | RVAL_DECODED;
default:
- return 0;
+ return RVAL_DECODED;
}
}