kern: Make fileops and filterops tables const where possible

No functional change intended.

MFC after: 1 week

sys: Remove $FreeBSD$: two-line .h pattern

Remove /^\s*\*\n \*\s+\$FreeBSD\$$\n/

evdev: Make MT tracking IDs monotonically increasing sequence.

MFC after: 2 weeks

evdev: Remove useless "initial value" parameter from evdev_support_abs()

It can not be used for setting of state of multitouch events.
If necessary, use evdev_push_event() instead of it.

kqueue: save space by using only one func pointer for assertions

Merge ^/head r337646 through r338014.

evdev: remove soft context from evdev methods parameter list.

Now softc should be retrieved from struct edvev * pointer
with evdev_get_softc() helper.

wmt(4) is a sample of driver that support both

evdev: remove soft context from evdev methods parameter list.

Now softc should be retrieved from struct edvev * pointer
with evdev_get_softc() helper.

wmt(4) is a sample of driver that support both KPI.

Reviewed by: hselasky, gonzo
Differential Revision: https://reviews.freebsd.org/D16614

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uinput: Add FreeBSD specific ioctl to set unique identifier of input device.

Reviewed by: gonzo
Differential Revision: https://reviews.freebsd.org/D13456

Merge ^/head r321383 through r322397.

MFhead@r320180

Change my email address to wulf@FreeBSD.org in copyright headers.

Approved by: gonzo (mentor)
MFC after: 2 weeks

evdev: style(9), sort headers alphabetically

Pointed out by: bde
Reviewed by: gonzo
Approved by: gonzo (mentor)
MFC after: 2 weeks

[evdev] Do not ignore result evdev_register in UI_DEV_CREATE handler

Make sure that uinput state field reflects actual state by checking
evdev_register result for errors

Submitted by: Vladimir Kond

[evdev] Do not ignore result evdev_register in UI_DEV_CREATE handler

Make sure that uinput state field reflects actual state by checking
evdev_register result for errors

Submitted by: Vladimir Kondratiev <wulf@cicgroup.ru>
Differential Revision: https://reviews.freebsd.org/D9320

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Merge ^/head r306412 through r306905.

Modularize evdev

- Convert "options EVDEV" to "device evdev" and "device uinput", add
modules for both new devices. They are isolated subsystems and do not
require any compile-time changes t

Modularize evdev

- Convert "options EVDEV" to "device evdev" and "device uinput", add
modules for both new devices. They are isolated subsystems and do not
require any compile-time changes to general kernel subsytems
- For hybrid drivers that have evdev as an optional way to deliver input
events add option EVDEV_SUPPORT. Update all existing hybrid drivers
to use it instead of EVDEV
- Remove no-op DECLARE_MODULE in evdev, it's not required, MODULE_VERSION
is enough
- Add evdev module dependency to uinput

Submitted by: Vladimir Kondratiev <wulf@cicgroup.ru>

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Fix gcc compilation error

input_absinfo.code is unsigned so condition is always false

Merge ^/head r305687 through r305890.

Remove semicolon from the end of the macro definition

Reported by: hans

Add evdev protocol implementation

evdev is a generic input event interface compatible with Linux
evdev API at ioctl level. It allows using unmodified (apart from
header name) input evdev drivers in

Add evdev protocol implementation

evdev is a generic input event interface compatible with Linux
evdev API at ioctl level. It allows using unmodified (apart from
header name) input evdev drivers in Xorg, Wayland, Qt.

This commit has only generic kernel API. evdev support for individual
hardware drivers like ukbd, ums, atkbd, etc. will be committed later.

Project was started by Jakub Klama as part of GSoC 2014. Jakub's
evdev implementation was later used as a base, updated and finished
by Vladimir Kondratiev.

Submitted by: Vladimir Kondratiev <wulf@cicgroup.ru>
Reviewed by: adrian, hans
Differential Revision: https://reviews.freebsd.org/D6998

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