Commit Graph

1167 Commits

Author SHA1 Message Date
Daniel P. Berrange
e92316ad30 ui: correctly detect spice PAUSE scancode sequence
The SPICE input code is currently detcting 0xe1 0x1d 0x45 as
the PAUSE key make sequence and 0xe1 0x9d 0xc5 as the break
sequence. This is incorrect, because all 6 scancodes together
are the make sequence, and there is no break sequence.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 20170727174640.30359-1-berrange@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-07-28 12:35:40 +02:00
Daniel P. Berrange
7c388dbd0b ps2: fix sending of PAUSE/BREAK scancodes
The processing of the scancodes for PAUSE/BREAK  has been broken since
the conversion to qcodes in:

  commit 8c10e0baf0
  Author: Hervé Poussineau <hpoussin@reactos.org>
  Date:   Thu Sep 15 22:06:26 2016 +0200

    ps2: use QEMU qcodes instead of scancodes

When using a VNC client, with the raw scancode extension, the client
will send a scancode of 0xc6 for both PAUSE and BREAK. There is mistakenly
no entry in the qcode_to_number table for this scancode, so
ps2_keyboard_event() just generates a log message and discards the
scancode

When using a SPICE client, it will also send 0xc6 for BREAK, but
will send 0xe1 0x1d 0x45 0xe1 0x9d 0xc5 for PAUSE. There is no
entry in the qcode_to_number table for the scancode 0xe1 because
it is a special XT keyboard prefix not mapping to any QKeyCode.
Again ps2_keyboard_event() just generates a log message and discards
the scancode. The following 0x1d, 0x45, 0x9d, 0xc5 scancodes get
handled correctly. Rather than trying to handle 3 byte sequences
of scancodes in the PS/2 driver, special case the SPICE input
code so that it captures the 3 byte pause sequence and turns it
into a Pause QKeyCode.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 20170727113243.23991-1-berrange@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-07-27 14:24:05 +02:00
Gerd Hoffmann
912092b8e4 ui: drop altgr and altgr_r QKeyCodes
The right alt key (alt_r aka KEY_RIGHTALT) is used for AltGr.
The altgr and altgr_r keys simply don't exist.  Drop them.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 20170727104720.30061-1-kraxel@redhat.com
2017-07-27 14:23:33 +02:00
Gerd Hoffmann
37810e8055 ui: add multimedia keys
Add multimedia keys to QKeyCodes and to the keymaps.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 20170726152918.11995-5-kraxel@redhat.com
2017-07-27 14:23:10 +02:00
Gerd Hoffmann
9ade7759ed ui: update keymaps
Add recently added QKeyCodes to the keymaps.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 20170726152918.11995-4-kraxel@redhat.com
2017-07-27 14:23:09 +02:00
Gerd Hoffmann
606eb0c649 ui: move qemu_input_linux_to_qcode()
Move from input-linux.c to input-keymap.c and export it,
so the function is available elsewhere too.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 20170726152918.11995-3-kraxel@redhat.com
2017-07-27 14:23:09 +02:00
Gerd Hoffmann
d52a1a9102 ui: add next and prior keysyms
Page-up and Page-down were renamed.  Add the names to the keysym list
so we can parse both old and new names.  The keypad versions are already
present in the vnc map.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 20170726152918.11995-2-kraxel@redhat.com
2017-07-27 14:23:09 +02:00
Alexander Graf
d3b0db6dfe vnc: Set default kbd delay to 10ms
The current VNC default keyboard delay is 1ms. With that we're constantly
typing faster than the guest receives keyboard events from an XHCI attached
USB HID device.

The default keyboard delay time in the input layer however is 10ms. I don't know
how that number came to be, but empirical tests on some OpenQA driven ARM
systems show that 10ms really is a reasonable default number for the delay.

This patch moves the VNC delay also to 10ms. That way our default is much
safer (good!) and also consistent with the input layer default (also good!).

Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 1499863425-103133-1-git-send-email-agraf@suse.de
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-07-17 11:35:27 +02:00
John Arbuckle
e720624906 ui/cocoa.m: Fix compatibility issue with Mac OS 10.9 and under
The [NSEvent modifierFlags] method returns an NSEventModifierFlags type value in Mac OS 10.10. It use to be of type NSUInteger. Replacing NSEventModifierFlags with NSUInteger allows for the cooca.m file to be compiled on older versions of Mac OS. This patch was been tested on Mac OS 10.6 and Mac OS 10.12 without problem.

Signed-off-by: John Arbuckle <programmingkidx@gmail.com>
Message-id: F6C36C1A-4661-48F4-BEA6-3994889927D0@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-06-29 15:07:16 +01:00
John Arbuckle
e47ec1a9ba ui/cocoa.m: add Speed menu
Programs running inside of QEMU can sometimes use more CPU time than is really
needed. To solve this problem, we just need to throttle the virtual CPU. This
feature will stop laptops from burning up.

This patch adds a menu called Speed that has menu items from 100% to 1% that
represent the speed options. 100% is full speed and 1% is slowest.

Signed-off-by: John Arbuckle <programmingkidx@gmail.com>
Message-id: D6FAAABF-064D-49C0-B572-C73679F34052@gmail.com
[PMM: Moved "mark 100% menu item as checked initially" code to
 after menu item is allocated, not before it]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-06-23 15:02:40 +01:00
Gerd Hoffmann
85970a627f sdl2: add assert to make coverity happy
There is a loop a few lines up counting consoles and setting
sdl2_num_outputs accordingly, so con ptr can't be NULL there.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20170621122234.12751-1-kraxel@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-06-23 11:50:46 +02:00
Alexander Graf
77b0359bf4 input: Decrement queue count on kbd delay
Delays in the input layer are special cased input events. Every input
event is accounted for in a global intput queue count. The special cased
delays however did not get removed from the queue, leading to queue overruns
and thus silent key drops after typing quite a few characters.

Signed-off-by: Alexander Graf <agraf@suse.de>
Message-id: 1498117318-162102-1-git-send-email-agraf@suse.de
Fixes: be1a7176 ("input: add support for kbd delays")
Cc: qemu-stable@nongnu.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-06-23 11:49:44 +02:00
Gerd Hoffmann
d3b787fa7d keymaps: add tracing
Drop commented debug logging, add trace points instead.

Also cleanup parser code a bit, the key name is copied into a new
variable instead of patching the input line, that way we can log
the unmodified line.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20170606134736.26080-1-kraxel@redhat.com
2017-06-23 11:47:59 +02:00
Peter Maydell
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Version: GnuPG v2.0.22 (GNU/Linux)
 
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 =y0pe
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/kraxel/tags/queue/ui-pull-request' into staging

# gpg: Signature made Wed 21 Jun 2017 14:23:31 BST
# gpg:                using RSA key 0x4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>"
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/queue/ui-pull-request:
  ui: Remove inclusion of "hw/qdev.h"
  console: remove do_safe_dpy_refresh
  gtk: use framebuffer helper functions.
  sdl2: use framebuffer helper functions.
  egl-headless: use framebuffer helper functions.
  egl-helpers: add helpers to handle opengl framebuffers

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-06-22 13:18:11 +01:00
Peter Maydell
84e3d0725b QAPI patches for 2017-06-09
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Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2017-06-09-v2' into staging

QAPI patches for 2017-06-09

# gpg: Signature made Tue 20 Jun 2017 13:31:39 BST
# gpg:                using RSA key 0x3870B400EB918653
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>"
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>"
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* remotes/armbru/tags/pull-qapi-2017-06-09-v2: (41 commits)
  tests/qdict: check more get_try_int() cases
  console: use get_uint() for "head" property
  i386/cpu: use get_uint() for "min-level"/"min-xlevel" properties
  numa: use get_uint() for "size" property
  pnv-core: use get_uint() for "core-pir" property
  pvpanic: use get_uint() for "ioport" property
  auxbus: use get_uint() for "addr" property
  arm: use get_uint() for "mp-affinity" property
  xen: use get_uint() for "max-ram-below-4g" property
  pc: use get_uint() for "hpet-intcap" property
  pc: use get_uint() for "apic-id" property
  pc: use get_uint() for "iobase" property
  acpi: use get_uint() for "pci-hole*" properties
  acpi: use get_uint() for various acpi properties
  acpi: use get_uint() for "acpi-pcihp-io*" properties
  platform-bus: use get_uint() for "addr" property
  bcm2835_fb: use {get, set}_uint() for "vcram-size" and "vcram-base"
  aspeed: use {set, get}_uint() for "ram-size" property
  pcihp: use get_uint() for "bsel" property
  pc-dimm: make "size" property uint64
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-06-22 11:34:39 +01:00
Thomas Huth
95e92000c8 ui: Remove inclusion of "hw/qdev.h"
Looks like #include "hw/qdev.h" is not needed here, so remove it.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-id: 1497894617-12143-1-git-send-email-thuth@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-06-21 14:26:15 +02:00
Gerd Hoffmann
3f8f1313e0 console: remove do_safe_dpy_refresh
Drop the temporary workaround for the broken display updates.
All display adapters are updated, so this should be safe without
causing regressions.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20170614084538.32480-1-kraxel@redhat.com
2017-06-21 14:24:22 +02:00
Gerd Hoffmann
a4f113fd69 gtk: use framebuffer helper functions.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20170614084149.31314-5-kraxel@redhat.com
2017-06-21 14:23:16 +02:00
Gerd Hoffmann
371c4ef637 sdl2: use framebuffer helper functions.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20170614084149.31314-4-kraxel@redhat.com
2017-06-21 14:23:16 +02:00
Gerd Hoffmann
d8dc67e119 egl-headless: use framebuffer helper functions.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20170614084149.31314-3-kraxel@redhat.com
2017-06-21 14:23:16 +02:00
Gerd Hoffmann
6fafc26014 egl-helpers: add helpers to handle opengl framebuffers
Add a collection of egl_fb_*() helper functions to manage and use opengl
framebuffers, which is a common pattern in UI code with opengl support.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20170614084149.31314-2-kraxel@redhat.com
2017-06-21 14:23:16 +02:00
Marc-André Lureau
ad664c1d4c console: use get_uint() for "head" property
TYPE_QEMU_CONSOLE property "head" is defined with
object_property_add_uint*_ptr().

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20170607163635.17635-41-marcandre.lureau@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2017-06-20 14:31:33 +02:00
Marc-André Lureau
01b2ffcedd qapi: merge QInt and QFloat in QNum
We would like to use a same QObject type to represent numbers, whether
they are int, uint, or floats. Getters will allow some compatibility
between the various types if the number fits other representations.

Add a few more tests while at it.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20170607163635.17635-7-marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[parse_stats_intervals() simplified a bit, comment in
test_visitor_in_int_overflow() tidied up, suppress bogus warnings]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2017-06-20 14:31:31 +02:00
Gerd Hoffmann
fe5c44f9c9 spice: don't enter opengl mode in case another UI provides opengl support
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20170606110618.10393-1-kraxel@redhat.com
2017-06-14 09:52:35 +02:00
Jonathon Jongsma
bfefa6d7d6 spice: Use proper enum type for kbd led state
Although the Qemu and spice flags currently have the same value, it
seems more correct to pass the spice flag values to
spice_server_kbd_leds(), especially considering that this function
already makes an effort to convert between the QEMU_*_LED and
SPICE_KEYBOARD_MODIFIER_* values.

Signed-off-by: Jonathon Jongsma <jjongsma@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20170510202006.31737-1-jjongsma@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-06-14 09:51:45 +02:00
Ian McKellar via Qemu-devel
af8862b2a2 Improve Cocoa modifier key handling
I had two problems with QEMU on macOS:
 1) Sometimes when alt-tabbing to QEMU it would act as if the 'a' key
    was pressed so I'd get 'aaaaaaaaa....'.
 2) Using Sikuli to programatically send keys to the QEMU window text
    like "foo_bar" would come out as "fooa-bar".

They looked similar and after much digging the problem turned out to be
the same. When QEMU's ui/cocoa.m received an NSFlagsChanged NSEvent it
looked at the keyCode to determine what modifier key changed. This
usually works fine but sometimes the keyCode is 0 and the app should
instead be looking at the modifierFlags bitmask. Key code 0 is the 'a'
key.

I added code that handles keyCode == 0 differently. It checks the
modifierFlags and if they differ from QEMU's idea of which modifier
keys are currently pressed it toggles those changed keys.

This fixes my problems and seems work fine.

Signed-off-by: Ian McKellar <ianloic@google.com>
Message-id: 20170526233816.47627-1-ianloic@google.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-06-14 09:51:45 +02:00
Juan Quintela
c4b63b7cc5 migration: Move remaining exported functions to migration/misc.h
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Peter Xu <peterx@redhat.com>
2017-06-13 11:00:45 +02:00
Marc-André Lureau
4d43a603c7 char: move CharBackend handling in char-fe unit
Move all the frontend struct and methods to a seperate unit. This avoids
accidentally mixing backend and frontend calls, and helps with readabilty.

Make qemu_chr_replay() a macro shared by both char and char-fe.

Export qemu_chr_write(), and use a macro for qemu_chr_write_all()

(nb: yes, CharBackend is for char frontend :)

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2017-06-02 11:33:53 +04:00
Marc-André Lureau
8228e353d8 chardev: move headers to include/chardev
So they are all in one place. The following patch will move serial &
parallel declarations to the respective headers.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2017-06-02 11:33:52 +04:00
Stefan Hajnoczi
d0eda02938 QAPI patches for 2017-05-23
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Merge remote-tracking branch 'armbru/tags/pull-qapi-2017-05-23' into staging

QAPI patches for 2017-05-23

# gpg: Signature made Tue 23 May 2017 12:33:32 PM BST
# gpg:                using RSA key 0x3870B400EB918653
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>"
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>"
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* armbru/tags/pull-qapi-2017-05-23:
  qapi-schema: Remove obsolete note from ObjectTypeInfo
  block: Use QDict helpers for --force-share
  shutdown: Expose bool cause in SHUTDOWN and RESET events
  shutdown: Add source information to SHUTDOWN and RESET
  shutdown: Preserve shutdown cause through replay
  shutdown: Prepare for use of an enum in reset/shutdown_request
  shutdown: Simplify shutdown_signal
  sockets: Plug memory leak in socket_address_flatten()
  scripts/qmp/qom-set: fix the value argument passed to srv.command()

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-05-30 09:33:40 +01:00
Eric Blake
cf83f14005 shutdown: Add source information to SHUTDOWN and RESET
Time to wire up all the call sites that request a shutdown or
reset to use the enum added in the previous patch.

It would have been less churn to keep the common case with no
arguments as meaning guest-triggered, and only modified the
host-triggered code paths, via a wrapper function, but then we'd
still have to audit that I didn't miss any host-triggered spots;
changing the signature forces us to double-check that I correctly
categorized all callers.

Since command line options can change whether a guest reset request
causes an actual reset vs. a shutdown, it's easy to also add the
information to reset requests.

Signed-off-by: Eric Blake <eblake@redhat.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au> [ppc parts]
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> [SPARC part]
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> [s390x parts]
Message-Id: <20170515214114.15442-5-eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2017-05-23 13:28:17 +02:00
Gerd Hoffmann
371ec54e9f ui: egl-headless requires dmabuf support
Reported-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20170517122744.3541-1-kraxel@redhat.com
2017-05-19 10:46:00 +02:00
Cédric Le Goater
7c9209e7bf vnc: replace hweight_long() with ctpopl()
ctpopl() has a better implementation than hweight_long() and ui/vnc.c
being the last user of hweight_long(), we can simply remove it.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1489415605-13105-1-git-send-email-clg@kaod.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-05-12 12:36:02 +02:00
Wei Qi
761d0f97a4 vnc: simple clean up
It is unnecessary to assign 'packed_bytes' to 'estimated_bytes', because 'estimated_bytes' unused after assignment.

Signed-off-by: Wei Qi <weiqi4@huawei.com>
Reviewed-by: Sahid Orentino Ferdjaoui <sahid.ferdjaoui@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-05-12 12:34:31 +02:00
Gerd Hoffmann
bb1599b64c opengl: add egl-headless display
Add egl-headless user interface.  It doesn't provide a real user
interface, it only provides opengl support using drm render nodes.
It will copy back the bits rendered by the guest using virgl back
to a DisplaySurface and kick the usual display update code paths,
so spice and vnc and screendump can pick it up.

Use it this way:
  qemu -display egl-headless -vnc $display
  qemu -display egl-headless -spice gl=off,$args

Note that you should prefer native spice opengl support (-spice
gl=on) if possible because that delivers better performance.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20170505104101.30589-7-kraxel@redhat.com
2017-05-12 12:02:48 +02:00
Gerd Hoffmann
bc8c946f72 egl: explicitly ask for core context
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20170505104101.30589-6-kraxel@redhat.com
2017-05-12 12:02:48 +02:00
Gerd Hoffmann
151c8e608e egl-helpers: add missing error check
Code didn't check for qemu_egl_init_dpy_mesa() failures, add it.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20170505104101.30589-5-kraxel@redhat.com
2017-05-12 12:02:48 +02:00
Gerd Hoffmann
e1913dbb58 egl-helpers: fix display init for x11
When running on gtk we need X11 platform not mesa platform.
Create separate functions for mesa and x11 so we can keep
the egl #ifdef mess local to egl-helpers.c

Fixes: 0ea1523fb6
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20170505104101.30589-4-kraxel@redhat.com
2017-05-12 12:02:48 +02:00
Gerd Hoffmann
9f728c7940 egl-helpers: drop support for gles and debug logging
Leftover from the early opengl days.
Unused now, so delete the dead code.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20170505104101.30589-3-kraxel@redhat.com
2017-05-12 12:02:48 +02:00
Philippe Voinov
d755defd5d ui: input-linux: Add absolute event support
This patch adds support for absolute pointer events to the input-linux
subsystem. This support was omitted from the original input-linux patch,
however most of the code required for it is already in place.

Support for absolute events is especially useful for guests with vga
passthrough. Since they have a physical monitor, none of normal channels
for sending video output (vnc, etc) are used, meaning they also can't be
used to send absolute input events. This leaves QMP as the only option
to send absolute input into vga passthrough guests, which is not its
intended use and is not efficient.

This patch allows, for example, uinput to be used to create virtual
absolute input devices. This lets you build external systems which share
physical input devices between guests. Without absolute input
capability, such external systems can't seamlessly share pointer devices
between guests.

Signed-off-by: Philippe Voinov <philippevoinov@gmail.com>
Message-id: 20170505134231.30210-1-philippevoinov@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-05-11 09:42:16 +02:00
Philippe Voinov
9cfa7ab939 ui: Support non-zero minimum values for absolute input axes
This patch refactors ui/input.c to support absolute axis
minimum values other than 0. All dependent calls to qemu_input_queue_abs
have been updated to explicitly supply 0 as the axis minimum value.

Signed-off-by: Philippe Voinov <philippevoinov@gmail.com>
Message-id: 20170505133952.29885-1-philippevoinov@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-05-11 09:42:16 +02:00
Markus Armbruster
bd269ebc82 sockets: Limit SocketAddressLegacy to external interfaces
SocketAddressLegacy is a simple union, and simple unions are awkward:
they have their variant members wrapped in a "data" object on the
wire, and require additional indirections in C.  SocketAddress is the
equivalent flat union.  Convert all users of SocketAddressLegacy to
SocketAddress, except for existing external interfaces.

See also commit fce5d53..9445673 and 85a82e8..c5f1ae3.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1493192202-3184-7-git-send-email-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
[Minor editing accident fixed, commit message and a comment tweaked]

Signed-off-by: Markus Armbruster <armbru@redhat.com>
2017-05-09 09:14:40 +02:00
Markus Armbruster
dfd100f242 sockets: Rename SocketAddress to SocketAddressLegacy
The next commit will rename SocketAddressFlat to SocketAddress, and
the commit after that will replace most uses of SocketAddressLegacy by
SocketAddress, replacing most of this commit's renames right back.

Note that checkpatch emits a few "line over 80 characters" warnings.
The long lines are all temporary; the SocketAddressLegacy replacement
will shorten them again.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1493192202-3184-5-git-send-email-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2017-05-09 09:14:40 +02:00
Stefan Hajnoczi
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Merge remote-tracking branch 'elmarco/tags/chr-tests-pull-request' into staging

# gpg: Signature made Thu 04 May 2017 12:42:10 PM BST
# gpg:                using RSA key 0xDAE8E10975969CE5
# gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>"
# gpg:                 aka "Marc-André Lureau <marcandre.lureau@gmail.com>"
# Primary key fingerprint: 87A9 BD93 3F87 C606 D276  F62D DAE8 E109 7596 9CE5

* elmarco/tags/chr-tests-pull-request: (21 commits)
  tests: add /char/console test
  tests: add /char/udp test
  tests: add /char/socket test
  tests: add /char/file test
  tests: add /char/pipe test
  tests: add alias check in /char/ringbuf
  char-udp: flush as much buffer as possible
  char-socket: add 'connected' property
  char-socket: add 'addr' property
  char-socket: update local address after listen
  char-socket: introduce update_disconnected_filename()
  char: useless NULL check
  char: remove chardevs list
  char: remove qemu_chardev_add
  char: use /chardevs container instead of chardevs list
  vl: add todo note about root container cleanup
  char: add a /chardevs container
  container: don't leak container reference
  xen: use a better chardev type check
  mux: simplfy muxes_realize_done
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-05-05 17:07:55 +01:00
Marc-André Lureau
6361813527 char: remove qemu_chr_be_generic_open
The function simply alias and hides the real event function.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2017-05-04 15:34:41 +04:00
Marc-André Lureau
05c6638b20 input: don't queue delay if paused
qemu_input_event_send() discards key event when the guest is paused,
but not the delay.

The delay ends up in the input queue, and qemu_input_event_send_key()
will further fill the queue with upcoming events.

VNC uses qemu_input_event_send_key_delay(), not SPICE, which results
in a different input behaviour on pause: VNC will queue the events
(except the first that is discarded), SPICE will discard all events.

Don't queue delay if paused, and provide same behaviour on SPICE and
VNC clients on resume (and potentially avoid over-allocating the
buffer queue)

Fixes:
https://bugzilla.redhat.com/show_bug.cgi?id=1444326

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20170425130520.31819-1-marcandre.lureau@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-05-03 14:19:40 +02:00
Gerd Hoffmann
fa18f36a46 input: limit kbd queue depth
Apply a limit to the number of items we accept into the keyboard queue.

Impact: Without this limit vnc clients can exhaust host memory by
sending keyboard events faster than qemu feeds them to the guest.

Fixes: CVE-2017-8379
Cc: P J P <ppandit@redhat.com>
Cc: Huawei PSIRT <PSIRT@huawei.com>
Reported-by: jiangxin1@huawei.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20170428084237.23960-1-kraxel@redhat.com
2017-05-03 14:18:21 +02:00
Brendan Shanks
4ba967ad74 ui/cocoa.m: Fix macOS 10.12 deprecation warnings
macOS 10.12 deprecated/replaced many AppKit constants to make naming
more consistent. Use the new constants, and #define them to the
old constants when compiling against a pre-10.12 SDK.

Signed-off-by: Brendan Shanks <brendan@bslabs.net>
Message-id: 20170425062952.99149-1-brendan@bslabs.net
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-04-25 12:33:51 +01:00
Marc-André Lureau
e0665c3b5f console: add same displaychangelistener registration pre-condition
Catch an invalid state. Mainly useful for documentation purposes.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20170406120513.638-3-marcandre.lureau@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-04-24 10:12:28 +02:00
Marc-André Lureau
6905b93447 console: add same surface replace pre-condition
Catch an invalid state early, before a potential use-after-free. This is
mainly useful for documentation purposes.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20170406120513.638-2-marcandre.lureau@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-04-24 10:12:28 +02:00
Markus Armbruster
a6c76285f2 io vnc sockets: Clean up SocketAddressKind switches
We have quite a few switches over SocketAddressKind.  Some have case
labels for all enumeration values, others rely on a default label.
Some abort when the value isn't a valid SocketAddressKind, others
report an error then.

Unify as follows.  Always provide case labels for all enumeration
values, to clarify intent.  Abort when the value isn't a valid
SocketAddressKind, because the program state is messed up then.

Improve a few error messages while there.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-id: 1490895797-29094-4-git-send-email-armbru@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2017-04-03 17:11:39 +02:00
Markus Armbruster
ca0b64e5ed nbd sockets vnc: Mark problematic address family tests TODO
Certain features make sense only with certain address families.  For
instance, passing file descriptors requires AF_UNIX.  Testing
SocketAddress's saddr->type == SOCKET_ADDRESS_KIND_UNIX is obvious,
but problematic: it can't recognize AF_UNIX when type ==
SOCKET_ADDRESS_KIND_FD.

Mark such tests of saddr->type TODO.  We may want to check the address
family with getsockname() there.

Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 1490895797-29094-2-git-send-email-armbru@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2017-04-03 17:11:39 +02:00
Marc-André Lureau
fa03cb7fd2 vnc: allow to connect with add_client when -vnc none
Do not skip VNC initialization, in particular of auth method when vnc is
configured without sockets, since we should still allow connections
through QMP add_client.

Fixes:
https://bugzilla.redhat.com/show_bug.cgi?id=1434551

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20170328160646.21250-1-marcandre.lureau@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-04-03 11:48:55 +02:00
Javier Celaya
1684907c92 Fix input-linux reading from device
The evdev devices in input-linux.c are read in blocks of one whole
event. If there are not enough bytes available, they are discarded,
instead of being kept for the next read operation. This results in
lost events, of even non-working devices.

This patch keeps track of the number of bytes to be read to fill up
a whole event, and then handle it.

Changes from v1 to v2:
- Fix: Calculate offset on each iteration

Changes from v2 to v3:
- Fix coding style
- Store offset instead of bytes to be read

Signed-off-by: Javier Celaya <jcelaya@gmail.com>
Message-id: 20170327182624.2914-1-jcelaya@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-04-03 11:44:58 +02:00
Peter Maydell
0491c22154 MTTCG regression fixes for rc2
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Merge remote-tracking branch 'remotes/stsquad/tags/pull-mttcg-fixups-for-rc2-280317-1' into staging

MTTCG regression fixes for rc2

# gpg: Signature made Tue 28 Mar 2017 10:54:38 BST
# gpg:                using RSA key 0xFBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>"
# Primary key fingerprint: 6685 AE99 E751 67BC AFC8  DF35 FBD0 DB09 5A9E 2A44

* remotes/stsquad/tags/pull-mttcg-fixups-for-rc2-280317-1:
  replay/replay.c: bump REPLAY_VERSION
  tcg: Add a new line after incompatibility warning
  ui/console: use exclusive mechanism directly
  ui/console: ensure do_safe_dpy_refresh holds BQL
  bsd-user: align use of mmap_lock to that of linux-user
  user-exec: handle synchronous signals from QEMU gracefully

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-03-28 12:34:23 +01:00
Alex Bennée
0096109052 ui/console: use exclusive mechanism directly
The previous commit (8bb93c6f99) using async_safe_run_on_cpu() doesn't
work on graphics sub-system which restrict which threads can do GUI
updates. Rather the special casing MacOS we just directly call the
helper and move all the exclusive handling into do_dafe_dpy_refresh().

The unfortunate bouncing of the BQL is to ensure there is no deadlock
as vCPUs waiting on the BQL are kicked into their quiescent state.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
2017-03-28 10:52:45 +01:00
Alex Bennée
8539093919 ui/console: ensure do_safe_dpy_refresh holds BQL
I missed the fact that when an exclusive work item runs it drops the
BQL to ensure all no vCPUs are stuck waiting for it, hence causing a
deadlock. However the actual helper needs to take the BQL especially
as we'll be messing with device emulation bits during the update which
all assume BQL is held.

We make a minor cpu_reloading_memory_map which must try and unlock the
RCU if we are actually outside the running context.

Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
2017-03-28 10:52:24 +01:00
Gerd Hoffmann
e5766eb404 vnc: fix reverse mode
vnc server in reverse mode (qemu -vnc localhost:$nr,reverse) interprets
$nr as display number (i.e. with 5900 offset) in recent qemu versions.
Historical and documented behavior is interpreting $nr as port number
though. So we should bring code and documentation in line.

Given that default listening port for viewers is 5500 the 5900 offset is
pretty inconvinient, because it is simply impossible to connect to port
5500.  So, lets fix the code not the docs.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 1489480018-11443-1-git-send-email-kraxel@redhat.com
2017-03-27 12:16:02 +02:00
Gerd Hoffmann
8bce03e393 ui/egl-helpers: fix egl 1.5 display init
Unfortunaly switching to getPlatformDisplayEXT isn't as easy as
implemented by 0ea1523fb6.  See the
longish comment for the complete story.

Cc: Frediano Ziglio <fziglio@redhat.com>
Suggested-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 1489997042-1824-1-git-send-email-kraxel@redhat.com
2017-03-27 12:14:45 +02:00
Gerd Hoffmann
cc720a5dc4 add opengl_cflags to QEMU_CFLAGS
... and drop OPENGL_CFLAGS from Makefiles.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 1490079888-29029-1-git-send-email-kraxel@redhat.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-03-21 10:25:01 +00:00
Marc-André Lureau
7bc4f0846f vnc: fix a qio-channel leak
Spotted by ASAN.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20170317092802.17973-1-marcandre.lureau@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-03-20 09:07:34 +01:00
Alex Bennée
8bb93c6f99 ui/console: ensure graphic updates don't race with TCG vCPUs
Commit 8d04fb55..

  tcg: drop global lock during TCG code execution

..broke the assumption that updates to the GUI couldn't happen at the
same time as TCG vCPUs where running. As a result the TCG vCPU could
still be updating a directly mapped frame-buffer while the display
side was updating. This would cause artefacts to appear when the
update code assumed that memory block hadn't changed.

The simplest solution is to ensure the two things can't happen at the
same time like the old BQL locking scheme. Here we use the solution
introduced for MTTCG and schedule the update as async_safe_work when
we know no vCPUs can be running.

Reported-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20170315144825.3108-1-alex.bennee@linaro.org
Cc: BALATON Zoltan <balaton@eik.bme.hu>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>

[ kraxel: updated comment clarifying the display adapters are buggy
          and this is a temporary workaround ]

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-03-17 10:17:21 +01:00
Gerd Hoffmann
50628d3479 cirrus/vnc: zap bitblit support from console code.
There is a special code path (dpy_gfx_copy) to allow graphic emulation
notify user interface code about bitblit operations carryed out by
guests.  It is supported by cirrus and vnc server.  The intended purpose
is to optimize display scrolls and just send over the scroll op instead
of a full display update.

This is rarely used these days though because modern guests simply don't
use the cirrus blitter any more.  Any linux guest using the cirrus drm
driver doesn't.  Any windows guest newer than winxp doesn't ship with a
cirrus driver any more and thus uses the cirrus as simple framebuffer.

So this code tends to bitrot and bugs can go unnoticed for a long time.
See for example commit "3e10c3e vnc: fix qemu crash because of SIGSEGV"
which fixes a bug lingering in the code for almost a year, added by
commit "c7628bf vnc: only alloc server surface with clients connected".

Also the vnc server will throttle the frame rate in case it figures the
network can't keep up (send buffers are full).  This doesn't work with
dpy_gfx_copy, for any copy operation sent to the vnc client we have to
send all outstanding updates beforehand, otherwise the vnc client might
run the client side blit on outdated data and thereby corrupt the
display.  So this dpy_gfx_copy "optimization" might even make things
worse on slow network links.

Lets kill it once for all.

Oh, and one more reason: Turns out (after writing the patch) we have a
security bug in that code path ...

Fixes: CVE-2016-9603
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 1489494419-14340-1-git-send-email-kraxel@redhat.com
2017-03-16 08:58:15 +01:00
Programmingkid
5f26fcfb98 ui/cocoa.m: add toast file support
Add the ability for the user to use .toast files with QEMU. This format works
just like ISO files.

Signed-off-by: John Arbuckle <programmingkidx@gmail.com>
Message-id: 0C9DA454-E3DC-4291-806E-9A96557DE833@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-03-14 15:09:56 +00:00
Gerd Hoffmann
2dc120beb8 vnc: fix double free issues
Reported by Coverity: CID 1371242, 1371243, 1371244.

Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 1487682332-29154-1-git-send-email-kraxel@redhat.com
2017-02-27 16:22:01 +01:00
Gerd Hoffmann
8bf69b499a spice: add display & head options
This allows to specify display and head to use, simliar to vnc.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 1487663858-11731-1-git-send-email-kraxel@redhat.com
2017-02-27 16:21:23 +01:00
Daniel P. Berrange
857e479552 ui: Use XkbGetMap and XkbGetNames instead of XkbGetKeyboard
XkbGetKeyboard does not work in XWayland and even on non-Wayland
X11 servers its use is discouraged:

  https://bugs.freedesktop.org/show_bug.cgi?id=89240

This resolves a problem whereby QEMU prints

  "could not lookup keycode name"

on startup when running under XWayland. Keymap handling is
however still broken after this commit, since Xwayland is
reporting a keymap we can't handle

  "unknown keycodes `(unnamed)', please report to qemu-devel@nongnu.org"

NB, native Wayland support (which is the default under GTK3) is
not affected - only XWayland (which can be requested with GDK_BACKEND
on GTK3, and is the only option for GTK2).

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 20170227132343.30824-1-berrange@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-02-27 16:19:47 +01:00
Gerd Hoffmann
543a7a161f gtk-egl: add scanout_disable support
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 1487669841-13668-7-git-send-email-kraxel@redhat.com
2017-02-27 16:15:29 +01:00
Gerd Hoffmann
db6cdfbeba sdl2: add scanout_disable support
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 1487669841-13668-6-git-send-email-kraxel@redhat.com
2017-02-27 16:15:29 +01:00
Gerd Hoffmann
46ffd0c031 spice: add scanout_disable support
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 1487669841-13668-5-git-send-email-kraxel@redhat.com
2017-02-27 16:15:29 +01:00
Gerd Hoffmann
eaa92c76ce console: add dpy_gl_scanout_disable
Helper function (and DisplayChangeListenerOps ptr) to disable scanouts.
Replaces using dpy_gl_scanout_texture with 0x0 size and no texture
specified.

Allows cleanups to make the io and gfx emulation code more readable.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 1487669841-13668-3-git-send-email-kraxel@redhat.com
2017-02-27 16:15:28 +01:00
Gerd Hoffmann
f4c36bdab6 console: rename dpy_gl_scanout to dpy_gl_scanout_texture
We'll add a variant which accepts dmabufs soon.  Change
the name so we can easily disturgish the two variants.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 1487669841-13668-2-git-send-email-kraxel@redhat.com
2017-02-27 16:15:28 +01:00
Frediano Ziglio
0ea1523fb6 egl-helpers: Support newer MESA versions
According to
https://www.khronos.org/registry/EGL/extensions/MESA/EGL_MESA_platform_gbm.txt
if MESA_platform_gbm is supported display should be initialized
from a GBM handle using eglGetPlatformDisplayEXT.

Signed-off-by: Frediano Ziglio <fziglio@redhat.com>
Message-id: 20170220095055.4234-1-fziglio@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-02-20 12:46:09 +01:00
Marc-André Lureau
7b5255083b spice: allow to specify drm rendernode
When multiple GPU are available, picking the first one isn't always the
best choice. Learn to specify a device rendernode.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20170212112118.16044-1-marcandre.lureau@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-02-20 12:44:32 +01:00
Daniel P. Berrange
396f935a9a ui: add ability to specify multiple VNC listen addresses
This change allows the listen address and websocket address
options for -vnc to be repeated. This causes the VNC server
to listen on multiple addresses. e.g.

 $ $QEMU -vnc vnc=localhost:1,vnc=unix:/tmp/vnc,\
              websocket=127.0.0.1:8080,websocket=[::]:8081

results in listening on

127.0.0.1:5901, 127.0.0.1:8080, ::1:5901, :::8081 & /tmp/vnc

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 20170203120649.15637-9-berrange@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-02-09 17:28:49 +01:00
Daniel P. Berrange
57a6d6d538 ui: let VNC server listen on all resolved IP addresses
Remove the limitation that the VNC server can only listen on
a single resolved IP address. This uses the new DNS resolver
API to resolve a SocketAddress struct into an array of
SocketAddress structs containing raw IP addresses. The VNC
server will then attempt to listen on all resolved IP addresses.
The server must successfully listen on at least one of the
resolved IP addresses, otherwise an error will be reported.

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 20170203120649.15637-7-berrange@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-02-09 17:28:49 +01:00
Daniel P. Berrange
8bd22f477f ui: extract code to connect/listen from vnc_display_open
The code which takes a SocketAddress and connects/listens on the
network is going to get more complicated to deal with multiple
listeners. Pull it out into a separate method to avoid making the
vnc_display_open method even more complex.

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 20170203120649.15637-6-berrange@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-02-09 17:28:49 +01:00
Daniel P. Berrange
275e0d616b ui: refactor code for populating SocketAddress from vnc_display_open
The code which interprets the CLI args to populate the SocketAddress
objects for plain & websockets VNC is quite complex already and will
need further enhancements shortly. Refactor it into separate methods
to avoid vnc_display_open getting even larger. As a side effect of
the refactoring, it is now possible to specify a listen address for
the websocket server explicitly. e.g,

  -vnc localhost:5900,websockets=0.0.0.0:8080

will listen on localhost for the plain VNC server, but expose the
websockets VNC server on the public interface. This refactoring
also removes the restriction that prevents enabling websockets
when the plain VNC server is listening on a UNIX socket.

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 20170203120649.15637-5-berrange@redhat.com

[ kraxel: squashed clang build fix ]

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-02-09 17:28:45 +01:00
Daniel P. Berrange
4ee74fa708 ui: refactor VncDisplay to allow multiple listening sockets
Currently there is only a single listener for plain VNC and
a single listener for websockets VNC. This means that if
getaddrinfo() returns multiple IP addresses, for a hostname,
the VNC server can only listen on one of them. This is
just bearable if listening on wildcard interface, or if
the host only has a single network interface to listen on,
but if there are multiple NICs and the VNC server needs
to listen on 2 or more specific IP addresses, it can't be
done.

This refactors the VncDisplay state so that it holds an
array of listening sockets, but still only listens on
one socket.

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 20170203120649.15637-4-berrange@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-02-08 14:59:37 +01:00
Daniel P. Berrange
2a7e6857cd ui: fix reporting of VNC auth in query-vnc-servers
Currently the VNC authentication info is emitted at the
top level of the query-vnc-servers data. This is wrong
because the authentication scheme differs between plain
and websockets when TLS is enabled. We should instead
report auth against the individual servers. e.g.

(QEMU) query-vnc-servers
{
    "return": [
        {
            "clients": [],
            "id": "default",
            "auth": "vencrypt",
            "vencrypt": "x509-vnc",
            "server": [
                {
                    "host": "127.0.0.1"
                    "service": "5901",
                    "websocket": false,
                    "family": "ipv4",
                    "auth": "vencrypt",
                    "vencrypt": "x509-vnc"
                },
                {
                    "host": "127.0.0.1",
                    "service": "5902",
                    "websocket": true,
                    "family": "ipv4",
                    "auth": "vnc"
                }
            ]
        }
    ]
}

This also future proofs the QMP schema so that we can
cope with multiple VNC server instances, listening on
different interfaces or ports, with different auth
setup.

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 20170203120649.15637-3-berrange@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-02-08 14:59:37 +01:00
Daniel P. Berrange
1b1aeb5828 ui: fix regression handling bare 'websocket' option to -vnc
The -vnc argument is documented as accepting two syntaxes for
the 'websocket' option, either a bare option name, or a port
number. If using the bare option name, it is supposed to apply
the display number as an offset to base port 5700. e.g.

  -vnc localhost:3,websocket

should listen on port 5703, however, this was broken in 2.3.0 since

  commit 4db14629c3
  Author: Gerd Hoffmann <kraxel@redhat.com>
  Date:   Tue Sep 16 12:33:03 2014 +0200

    vnc: switch to QemuOpts, allow multiple servers

instead qemu tries to listen on port "on" which gets looked up in
/etc/services and fails.

Fixes bug: #1455912

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 20170203120649.15637-2-berrange@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-02-08 14:59:37 +01:00
Michael Tokarev
537848ee62 vnc: do not disconnect on EAGAIN
When qemu vnc server is trying to send large update to clients,
there might be a situation when system responds with something
like EAGAIN, indicating that there's no system memory to send
that much data (depending on the network speed, client and server
and what is happening).  In this case, something like this happens
on qemu side (from strace):

sendmsg(16, {msg_name(0)=NULL,
        msg_iov(1)=[{"\244\"..., 729186}],
        msg_controllen=0, msg_flags=0}, 0) = 103950
sendmsg(16, {msg_name(0)=NULL,
        msg_iov(1)=[{"lz\346"..., 1559618}],
        msg_controllen=0, msg_flags=0}, 0) = -1 EAGAIN
sendmsg(-1, {msg_name(0)=NULL,
        msg_iov(1)=[{"lz\346"..., 1559618}],
        msg_controllen=0, msg_flags=0}, 0) = -1 EBADF

qemu closes the socket before the retry, and obviously it gets EBADF
when trying to send to -1.

This is because there WAS a special handling for EAGAIN, but now it doesn't
work anymore, after commit 04d2529da2, because
now in all error-like cases we initiate vnc disconnect.

This change were introduced in qemu 2.6, and caused numerous grief for many
people, resulting in their vnc clients reporting sporadic random disconnects
from vnc server.

Fix that by doing the disconnect only when necessary, i.e. omitting this
very case of EAGAIN.

Hopefully the existing condition (comparing with QIO_CHANNEL_ERR_BLOCK)
is sufficient, as the original code (before the above commit) were
checking for other errno values too.

Apparently there's another (semi?)bug exist somewhere here, since the
code tries to write to fd# -1, it probably should check if the connection
is open before. But this isn't important.

Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 1486115549-9398-1-git-send-email-mjt@msgid.tls.msk.ru
Fixes: 04d2529da2
Cc: Daniel P. Berrange <berrange@redhat.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-02-08 14:59:36 +01:00
Peter Maydell
c3ff04b60d ui/vnc: Drop unused vnc_has_job() and vnc_jobs_clear()
The functions vnc_has_job() and vnc_jobs_clear() are
never used; remove them.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Gonglei <arei.gonglei@huawei.com>
Message-id: 1486146260-8092-1-git-send-email-peter.maydell@linaro.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-02-08 14:59:36 +01:00
Peter Maydell
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Merge remote-tracking branch 'remotes/elmarco/tags/chr-split-pull-request' into staging

# gpg: Signature made Tue 31 Jan 2017 19:32:40 GMT
# gpg:                using RSA key 0xDAE8E10975969CE5
# gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>"
# gpg:                 aka "Marc-André Lureau <marcandre.lureau@gmail.com>"
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg:          It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 87A9 BD93 3F87 C606 D276  F62D DAE8 E109 7596 9CE5

* remotes/elmarco/tags/chr-split-pull-request: (41 commits)
  char: headers clean-up
  char: move parallel chardev in its own file
  char: move serial chardev to its own file
  char: move pty chardev in its own file
  char: move pipe chardev in its own file
  char: move console in its own file
  char: move stdio in its own file
  char: move file chardev in its own file
  char: move udp chardev in its own file
  char: move socket chardev to its own file
  char: move win-stdio into its own file
  char: move win chardev base class in its own file
  char: move fd chardev in its own file
  char: move QIOChannel-related stuff to char-io.h
  char: remove unused READ_RETRIES
  char: rename and move to header CHR_READ_BUF_LEN
  char: move ringbuf/memory to its own file
  char: move mux to its own file
  char: move null chardev to its own file
  char: make null_chr_write() the default method
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-02 09:50:21 +00:00
Gerd Hoffmann
3ef0c573d3 console: fix console resize
Only skip surface reallocation in case the old surface was created using
qemu_alloc_display (via qemu_create_displaysurface) too, otherwise we
might end up with a DisplaySurface with the wrong backing storage.

Cc: 1658634@bugs.launchpad.net
Fixes: cd958edb1f
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Tested-by: Laszlo Ersek <lersek@redhat.com>
Message-id: 1485256239-12219-1-git-send-email-kraxel@redhat.com
2017-01-31 16:09:16 +01:00
Kevin Wolf
27b224a61f gtk: Hardcode LC_CTYPE as C.utf-8
Commit 2cb5d2a4 removed setlocale() for everything except LC_MESSAGES in
order to avoid unwanted side effects such as using the wrong decimal
separator in generated JSON objects. However, the problem that unsetting
LC_CTYPE caused is that non-ASCII characters are considered
non-printable now and therefore the GTK menus display question marks for
accented letters, Chinese characters etc.

A first attempt to fix this [1] was rejected because even just setting
LC_CTYPE to the user's locale (and thereby modifying the semantics of
the ctype.h functions) could have unwanted effects that we're not aware
of yet.

Recently, however, glibc introduced a new locale "C.utf-8" that just
uses UTF-8 as its charset, but otherwise leaves the semantics alone.
Just setting the right character set is enough for our use case, so we
can just hardcode this one without having to be afraid of nasty side
effects.

Older systems that don't have the new locale will continue displaying
question marks, but this should fix the problem for most users.

[1] https://lists.gnu.org/archive/html/qemu-devel/2015-12/msg03591.html
    ('Re: gtk: use setlocale() for LC_MESSAGES only')

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-id: 20170131100945.8189-1-kwolf@redhat.com

[ kraxel: change C.utf-8 to C.UTF-8 ]

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-01-31 16:09:05 +01:00
Marc-André Lureau
0b663b7d77 char: remove class kind field
The class kind is necessary to lookup the chardev name in
qmp_chardev_add() after calling qemu_chr_new_from_opts() and to set
the appropriate ChardevBackend (mainly to free the right
fields).

qemu_chr_new_from_opts() can be changed to use a non-qmp function
using the chardev class typename. Introduce qemu_chardev_add() to be
called from qemu_chr_new_from_opts() and remove the class chardev kind
field. Set the backend->type in the parse callback (when non-common
fields are added).

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2017-01-31 13:03:42 +04:00
Marc-André Lureau
88cace9f11 char: get rid of CharDriver
qemu_chr_new_from_opts() is modified to not need CharDriver backend[]
array, but uses instead objectified qmp_query_chardev_backends() and
char_get_class(). The alias field is moved outside in a ChardevAlias[],
similar to QDevAlias for devices.

"kind" and "parse" are moved to ChardevClass ("kind" is to be removed
next)

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2017-01-31 13:01:47 +04:00
Gerd Hoffmann
eebe0b7905 vnc: fix overflow in vnc_update_stats
Commit "bea60dd ui/vnc: fix potential memory corruption issues" is
incomplete.  vnc_update_stats must calculate width and height the same
way vnc_refresh_server_surface does it, to make sure we don't use width
and height values larger than the qemu vnc server can handle.

Commit "e22492d ui/vnc: disable adaptive update calculations if not
needed" masks the issue in the default configuration.  It triggers only
in case the "lossy" option is set to "on" (default is "off").

Cc: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 1485248428-575-1-git-send-email-kraxel@redhat.com
2017-01-31 08:52:52 +01:00
Marc-André Lureau
51e0b65453 spice: wakeup QXL worker to pick up mouse changes
Without it, server-mode mouse is "slow" to update position: QXL will
wait until new display commands come. This is very visible with
virtio-gpu.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20170130104540.14660-1-marcandre.lureau@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-01-31 08:50:21 +01:00
Ziyue Yang
66f6b82bf2 ui/gtk.c: add ctrl-alt-= support for zoom in acceleration
Solving wishlist item at
https://bugs.launchpad.net/qemu/+bug/1656710
by accepting Ctrl-Alt-= as an additional zoom-in acceleration.

Using gtk_accel_group_connect to support multiple accelerations
triggering a single menu item since that gtk_accel_map_add_entry
seems to support only one acceleration. A wrapper function
gd_accel_zoom_in is added to support gtk_accel_group_connect's
callback activities.

Signed-off-by: Ziyue Yang <skiver.cloud.yzy@gmail.com>
Message-id: 1485826335-15686-1-git-send-email-skiver.cloud.yzy@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-01-31 08:49:49 +01:00
Rami Rosen
6b557d7c93 ui: fix format specfier in vnc to avoid break in build.
When building qemu after setting _VNC_DEBUG to 1 (see ui/vnc.h),
we get the following error and the build breaks:
...
ui/vnc.c: In function ‘vnc_client_io_error’:
ui/vnc.c:1262:13: error: format ‘%d’ expects argument of type ‘int’, but
             VNC_DEBUG("Closing down client sock: ret %d (%s)\n",
             ^
cc1: all warnings being treated as errors
make: *** [ui/vnc.o] Error 1
...

This patch solves this issue by fixing the print format specifier
in vnc_client_io_error() to be %zd, which corresponds to the type
of the "ret" variable.

Signed-off-by: Rami Rosen <rami.rosen@intel.com>
Message-id: 1484039965-25907-1-git-send-email-rami.rosen@intel.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-01-31 08:14:52 +01:00
OGAWA Hirofumi
e229d1efd7 ui/gtk: Fix mouse wheel on 3.4.0 or later
On 3.4.0 or later, send GDK_SCROLL_SMOOTH event, instead of
GDK_SCROLL_UP/DOWN.

This fixes it by converting any smooth scroll to up/down.
(I.e. without smooth support)

Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-01-31 08:14:52 +01:00
Pierre Ossman
a54f0d2ba3 vnc: track LED state separately
Piggy-backing on the modifier state array made it difficult to send
out updates at the proper times.

Signed-off-by: Pierre Ossman <ossman@cendio.se>
Message-id: 5aa28297d665cee24ddab26bbf4633e4252f97b6.1483978442.git.ossman@cendio.se
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-01-31 08:14:52 +01:00
Fabian Lesniak
1266b68c6e ui: add support for mice with extra/side buttons
Adds input event generation for BTN_SIDE and BTN_EXTRA events to gtk and
input-linux methods.

Signed-off-by: Fabian Lesniak <fabian@lesniak-it.de>
Message-id: 20161206190007.7539-4-fabian@lesniak-it.de
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-01-31 08:14:51 +01:00
Marc-André Lureau
777357d758 chardev: qom-ify
Turn Chardev into Object.

qemu_chr_alloc() is replaced by the qemu_chardev_new() constructor. It
will call qemu_char_open() to open/intialize the chardev with the
ChardevCommon *backend settings.

The CharDriver::create() callback is turned into a ChardevClass::open()
which is called from the newly introduced qemu_chardev_open().

"chardev-gdb" and "chardev-hci" are internal chardev and aren't
creatable directly with -chardev. Use a new internal flag to disable
them. We may want to use TYPE_USER_CREATABLE interface instead, or
perhaps allow -chardev usage.

Although in general we keep typename and macros private, unless the type
is being used by some other file, in this patch, all types and common
helper macros for qemu-char.c are in char.h. This is to help transition
now (some types must be declared early, while some aren't shared) and
when splitting in several units. This is to be improved later.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-01-27 18:08:00 +01:00
Marc-André Lureau
5bf5adaeb7 vc: use a common prefix for chr callbacks
vc_chr_write() is more appropriate than _puts() since no newline is
appended, even though it's not used only as a callback.

Keep "qemu_chr_parse" prefix, most chardev parse functions use this
prefix atm.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-01-27 18:07:59 +01:00
Marc-André Lureau
6f974c843c gtk: overwrite the console.c char driver
Instead of registering a vc handler to allocate the Gtk VC Chardev,
overwrite the console.c char driver.

A later patch, when switching to QOM, will register a default console vc
QOM class if none has been registered before.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-01-27 18:07:59 +01:00
Marc-André Lureau
0ec7b3e7f2 char: rename CharDriverState Chardev
Pick a uniform chardev type name.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-01-27 18:07:59 +01:00
Marc-André Lureau
41ac54b253 char: allocate CharDriverState as a single object
Use a single allocation for CharDriverState, this avoids extra
allocations & pointers, and is a step towards more object-oriented
CharDriver.

Gtk console is a bit peculiar, gd_vc_chr_set_echo() used to have a
temporary VirtualConsole to save the echo bit. Instead now, we consider
whether vcd->console is set or not, and restore the echo bit saved in
VCDriverState when calling gd_vc_vte_init().

The casts added are temporary, they are replaced with QOM type-safe
macros in a later patch in this series.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-01-27 18:07:59 +01:00