Commit Graph

2064 Commits

Author SHA1 Message Date
Marc-André Lureau
600179c39e ui/vc: console-vc requires PIXMAN
Add stubs for the fallback paths.

get_vc() now returns NULL by default if !PIXMAN.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
2023-11-07 14:04:25 +04:00
Marc-André Lureau
1bec1cc0da ui/console: allow to override the default VC
If a display is backed by a specialized VC, allow to override the
default "vc:80Cx24C".

As suggested by Paolo, if the display doesn't implement a VC (get_vc()
returns NULL), use a fallback that will use a muxed console on stdio.

This changes the behaviour of "qemu -display none", to create a muxed
serial/monitor by default (on TTY & not daemonized).

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
2023-11-07 14:04:25 +04:00
Marc-André Lureau
6261164bd6 qemu-options: define -vnc only #ifdef CONFIG_VNC
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
2023-11-07 14:04:25 +04:00
Marc-André Lureau
b3ec48cf92 ui: compile out some qemu-pixman functions when !PIXMAN
Those functions require the PIXMAN library.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-11-07 14:04:24 +04:00
Stefan Hajnoczi
384dbdda94 Migration Pull request (20231020)
In this pull request:
 - disable analyze-migration on s390x (thomas)
 - Fix parse_ramblock() (peter)
 - start merging live update (steve)
 - migration-test support for using several binaries (fabiano)
 - multifd cleanups (fabiano)
 
 CI: https://gitlab.com/juan.quintela/qemu/-/pipelines/1042492801
 
 Please apply.
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Merge tag 'migration-20231020-pull-request' of https://gitlab.com/juan.quintela/qemu into staging

Migration Pull request (20231020)

In this pull request:
- disable analyze-migration on s390x (thomas)
- Fix parse_ramblock() (peter)
- start merging live update (steve)
- migration-test support for using several binaries (fabiano)
- multifd cleanups (fabiano)

CI: https://gitlab.com/juan.quintela/qemu/-/pipelines/1042492801

Please apply.

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# gpg:                 aka "Juan Quintela <quintela@trasno.org>" [full]
# Primary key fingerprint: 1899 FF8E DEBF 58CC EE03  4B82 F487 EF18 5872 D723

* tag 'migration-20231020-pull-request' of https://gitlab.com/juan.quintela/qemu:
  tests/qtest: Don't print messages from query instances
  tests/qtest/migration: Allow user to specify a machine type
  tests/qtest/migration: Support more than one QEMU binary
  tests/qtest/migration: Set q35 as the default machine for x86_86
  tests/qtest/migration: Specify the geometry of the bootsector
  tests/qtest/migration: Define a machine for all architectures
  tests/qtest/migration: Introduce find_common_machine_version
  tests/qtest: Introduce qtest_resolve_machine_alias
  tests/qtest: Introduce qtest_has_machine_with_env
  tests/qtest: Allow qtest_get_machines to use an alternate QEMU binary
  tests/qtest: Introduce qtest_init_with_env
  tests/qtest: Allow qtest_qemu_binary to use a custom environment variable
  migration/multifd: Stop checking p->quit in multifd_send_thread
  migration: simplify notifiers
  migration: Fix parse_ramblock() on overwritten retvals
  migration: simplify blockers
  tests/qtest/migration-test: Disable the analyze-migration.py test on s390x

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2023-10-20 06:46:53 -07:00
Steve Sistare
d9cda21303 migration: simplify notifiers
Pass the callback function to add_migration_state_change_notifier so
that migration can initialize the notifier on add and clear it on
delete, which simplifies the call sites.  Shorten the function names
so the extra arg can be added more legibly.  Hide the global notifier
list in a new function migration_call_notifiers, and make it externally
visible so future live update code can call it.

No functional change.

Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Tested-by: Michael Galaxy <mgalaxy@akamai.com>
Reviewed-by: Michael Galaxy <mgalaxy@akamai.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <1686148954-250144-1-git-send-email-steven.sistare@oracle.com>
2023-10-20 08:51:41 +02:00
Steve Sistare
c8a7fc5179 migration: simplify blockers
Modify migrate_add_blocker and migrate_del_blocker to take an Error **
reason.  This allows migration to own the Error object, so that if
an error occurs in migrate_add_blocker, migration code can free the Error
and clear the client handle, simplifying client code.  It also simplifies
the migrate_del_blocker call site.

In addition, this is a pre-requisite for a proposed future patch that would
add a mode argument to migration requests to support live update, and
maintain a list of blockers for each mode.  A blocker may apply to a single
mode or to multiple modes, and passing Error** will allow one Error object
to be registered for multiple modes.

No functional change.

Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Tested-by: Michael Galaxy <mgalaxy@akamai.com>
Reviewed-by: Michael Galaxy <mgalaxy@akamai.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <1697634216-84215-1-git-send-email-steven.sistare@oracle.com>
2023-10-20 08:51:41 +02:00
Philippe Mathieu-Daudé
b1be65f643 ui/input: Constify QemuInputHandler structure
Access to QemuInputHandlerState::handler are read-only.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20231017131251.43708-1-philmd@linaro.org>
2023-10-19 23:13:28 +02:00
Paolo Bonzini
9bad39c7e8 meson: do not build shaders by default
They are not needed when building user-mode emulators.

Reviewed-by: Emmanouil Pitsidianakis <manos.pitsidianakis@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-10-17 15:20:53 +02:00
Stefan Hajnoczi
1527c6b6fa * util/log: re-allow switching away from stderr log file
* finish audio configuration rework
 * cleanup HVF stubs
 * remove more mentions of softmmu
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* util/log: re-allow switching away from stderr log file
* finish audio configuration rework
* cleanup HVF stubs
* remove more mentions of softmmu

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* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (25 commits)
  audio, qtest: get rid of QEMU_AUDIO_DRV
  audio: reintroduce default audio backend for VNC
  audio: do not use first -audiodev as default audio device
  audio: extend -audio to allow creating a default backend
  audio: extract audio_define_default
  audio: disable default backends if -audio/-audiodev is used
  audio: error hints need a trailing \n
  cutils: squelch compiler warnings with custom paths
  configure: change $softmmu to $system
  system: Rename softmmu/ directory as system/
  meson: Rename target_softmmu_arch -> target_system_arch
  meson: Rename softmmu_mods -> system_mods
  target/i386: Rename i386_softmmu_kvm_ss -> i386_kvm_ss
  semihosting: Rename softmmu_FOO_user() -> uaccess_FOO_user()
  gdbstub: Rename 'softmmu' -> 'system'
  accel: Rename accel_softmmu* -> accel_system*
  tcg: Correct invalid mentions of 'softmmu' by 'system-mode'
  fuzz: Correct invalid mentions of 'softmmu' by 'system'
  cpu: Correct invalid mentions of 'softmmu' by 'system-mode'
  travis-ci: Correct invalid mentions of 'softmmu' by 'system'
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2023-10-09 10:11:18 -04:00
Paolo Bonzini
63a13c0805 audio: reintroduce default audio backend for VNC
Make VNC use the default backend again if one is defined.
The recently introduced support for disabling the VNC audio
extension is still used, in case no default backend exists.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-10-08 21:08:27 +02:00
Philippe Mathieu-Daudé
21eb752ff5 ui/cocoa: Clean up global variable shadowing
Fix:

  ui/cocoa.m:346:20: error: declaration shadows a variable in the global scope [-Werror,-Wshadow]
      QemuCocoaView *cocoaView = userInfo;
                     ^
  ui/cocoa.m:342:16: note: previous declaration is here
  QemuCocoaView *cocoaView;
                 ^

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20231004120019.93101-11-philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2023-10-06 13:27:48 +02:00
Stefan Hajnoczi
c7c907bc20 Misc fixes and cleanups
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Merge tag 'misc-pull-request' of https://gitlab.com/marcandre.lureau/qemu into staging

Misc fixes and cleanups

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# gpg:                 aka "Marc-André Lureau <marcandre.lureau@gmail.com>" [full]
# Primary key fingerprint: 87A9 BD93 3F87 C606 D276  F62D DAE8 E109 7596 9CE5

* tag 'misc-pull-request' of https://gitlab.com/marcandre.lureau/qemu:
  chardev/char-pty: Avoid losing bytes when the other side just (re-)connected
  hw/display/ramfb: plug slight guest-triggerable leak on mode setting
  hw/pc: remove needless includes
  hw/core: remove needless includes
  analyze-migration: ignore RAM_SAVE_FLAG_MULTIFD_FLUSH
  ui/gtk: fix UI info precondition
  win32: avoid discarding the exception handler
  ui: add XBGR8888 and ABGR8888 in drm_format_pixman_map
  ui/console: sanitize search in qemu_graphic_console_is_multihead()
  ui/console: eliminate QOM properties from qemu_console_is_multihead()
  ui/console: only walk QemuGraphicConsoles in qemu_console_is_multihead()
  ui/console: make qemu_console_is_multihead() static
  input: Allow to choose console with qemu_input_is_absolute

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2023-10-04 12:51:26 -04:00
Stefan Hajnoczi
da1034094d * fix from optionrom build
* fix for KVM on Apple M2
 * introduce machine property "audiodev"
 * ui/vnc: Require audiodev= to enable audio
 * audio: remove QEMU_AUDIO_* and -audio-help support
 * audio: forbid using default audiodev backend with -audiodev and -nodefaults
 * remove compatibility code for old machine types
 * make-release: do not ship dtc sources
 * build system cleanups
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* fix from optionrom build
* fix for KVM on Apple M2
* introduce machine property "audiodev"
* ui/vnc: Require audiodev= to enable audio
* audio: remove QEMU_AUDIO_* and -audio-help support
* audio: forbid using default audiodev backend with -audiodev and -nodefaults
* remove compatibility code for old machine types
* make-release: do not ship dtc sources
* build system cleanups

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# -----END PGP SIGNATURE-----
# gpg: Signature made Tue 03 Oct 2023 04:30:00 EDT
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (24 commits)
  audio: forbid default audiodev backend with -nodefaults
  audio: propagate Error * out of audio_init
  vt82c686 machines: Support machine-default audiodev with fallback
  hw/ppc: Support machine-default audiodev with fallback
  hw/arm: Support machine-default audiodev with fallback
  Introduce machine property "audiodev"
  audio: remove QEMU_AUDIO_* and -audio-help support
  audio: simplify flow in audio_init
  audio: commonize voice initialization
  audio: return Error ** from audio_state_by_name
  audio: allow returning an error from the driver init
  audio: Require AudioState in AUD_add_capture
  ui/vnc: Require audiodev= to enable audio
  crypto: only include tls-cipher-suites in emulators
  scsi-disk: ensure that FORMAT UNIT commands are terminated
  esp: restrict non-DMA transfer length to that of available data
  esp: use correct type for esp_dma_enable() in sysbus_esp_gpio_demux()
  Makefile: build plugins before running TCG tests
  meson: clean up static_library keyword arguments
  make-release: do not ship dtc sources
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2023-10-03 07:43:44 -04:00
Marc-André Lureau
9bd4d3df63 ui/gtk: fix UI info precondition
dpy_get_ui_info() shouldn't be called if the underlying GPU doesn't
support it.

Before the assert() was added and the regression introduced, GTK code
used to get "zero" UI info, for ex with a simple VGA device. The assert
was added to prevent from calling when there are no console too. The
other display backend that calls dpy_get_ui_info() correctly checks that
pre-condition.

Calling dpy_set_ui_info() is "safe" in this case, it will simply return
an error that can be generally ignored.

Fixes: commit a92e7bb4c ("ui: add precondition for dpy_get_ui_info()")
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2023-10-03 15:09:57 +04:00
Ken Xue
7db57a73f6 ui: add XBGR8888 and ABGR8888 in drm_format_pixman_map
Android uses XBGR8888 and ABGR8888 as default scanout buffer, But qemu
does not support them for qemu_pixman_to_drm_format conversion within
virtio_gpu_create_dmabuf for virtio gpu.

so, add those 2 formats into drm_format_pixman_map.

Signed-off-by: Ken Xue <Ken.Xue@amd.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-ID: <20230914013151.805363-1-Ken.Xue@amd.com>
2023-10-03 15:04:56 +04:00
Laszlo Ersek
65d7ceb49b ui/console: sanitize search in qemu_graphic_console_is_multihead()
qemu_graphic_console_is_multihead() declares the graphical console "c" a
"multihead" console if there are two different graphical consoles in the
system that (a) both reference "c->device", and (b) have different
"c->head" numbers. In effect, if at least two graphical consoles exist
that are different heads of the same device that underlies "c". In fact,
"c" may be one of these two graphical consoles, or "c" may differ from
both of those consoles (in case "c->device" has at least three heads).

The loop currently uses this awkward "two different consoles" approach
because the function used not to have access to "c", only to "c->device",
which didn't allow for fetching (and comparing) "c->head". But, we've
changed that in the last patch; we now pass all of "c" to
qemu_graphic_console_is_multihead().

Thus, look for the *first* (and possibly *only*) graphical console, if
any, that refers to the same "device" as "c", but by a different "head"
number.

Cc: "Marc-André Lureau" <marcandre.lureau@redhat.com> (odd fixer:Graphics)
Cc: Gerd Hoffmann <kraxel@redhat.com> (odd fixer:Graphics)
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-ID: <20230913144959.41891-5-lersek@redhat.com>
2023-10-03 15:04:56 +04:00
Laszlo Ersek
2c0c4c1f65 ui/console: eliminate QOM properties from qemu_console_is_multihead()
According to Marc-André's and Gerd's descriptions, the "device" and
"head" members of QemuGraphicConsole are exposed as QOM properties for two
purposes:

(1) Introspection (e.g., "qom-get" monitor command).

(2) A VNC server can display a specific device + head. This lets us run a
    multihead configuration by using multiple VNC servers (one for each
    head).

    Further, we can link input devices to device + head, so input events
    are routed to different devices dependent on where they are coming
    from. Which is most useful for tablet devices in a VNC multihead
    setup, each head has its own tablet device then. This does requires
    manual guest-side configuration, for establishing the same tablet <->
    head relationship.

However, neither goal seems to justify the complicated QOM property lookup
that's internal to qemu_console_is_multihead().

Rework qemu_console_is_multihead() with plain old C language field
accesses.

Cc: "Marc-André Lureau" <marcandre.lureau@redhat.com> (odd fixer:Graphics)
Cc: Gerd Hoffmann <kraxel@redhat.com> (odd fixer:Graphics)
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-ID: <20230913144959.41891-4-lersek@redhat.com>
2023-10-03 15:04:56 +04:00
Laszlo Ersek
4ce2f97c00 ui/console: only walk QemuGraphicConsoles in qemu_console_is_multihead()
qemu_console_is_multihead() declares the console "c" a "multihead" console
if there are two different consoles in the system that (a) both reference
"c->device", and (b) have different "c->head" numbers. In effect, if at
least two consoles exist that are different heads of the same device that
underlies "c".

Commit 58d5870845 ("ui/console: move graphic fields to
QemuGraphicConsole", 2023-09-04) pushed the "device" and "head" members
from the QemuConsole base class down to the QemuGraphicConsole subclass,
adjusting the referring QOM properties accordingly as well. As a result,
the "device" property lookup in qemu_console_is_multihead() now crashes,
in case the candidate console being investigated for criterion (a) is not
a QemuGraphicConsole instance:

> Unexpected error in object_property_find_err() at qom/object.c:1314:
> qemu: Property 'qemu-fixed-text-console.device' not found
> Aborted (core dumped)

This is effectively an unchecked downcast. Make it checked: only consider
such console candidates that are themselves QemuGraphicConsole instances.

Cc: "Marc-André Lureau" <marcandre.lureau@redhat.com> (odd fixer:Graphics)
Cc: Gerd Hoffmann <kraxel@redhat.com> (odd fixer:Graphics)
Fixes: 58d5870845
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-ID: <20230913144959.41891-3-lersek@redhat.com>
2023-10-03 15:04:56 +04:00
Laszlo Ersek
845fff1f83 ui/console: make qemu_console_is_multihead() static
qemu_console_is_multihead() is only called from within "ui/console.c";
make it static.

Cc: "Marc-André Lureau" <marcandre.lureau@redhat.com> (odd fixer:Graphics)
Cc: Gerd Hoffmann <kraxel@redhat.com> (odd fixer:Graphics)
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-ID: <20230913144959.41891-2-lersek@redhat.com>
2023-10-03 15:04:56 +04:00
Akihiko Odaki
0337e4123e input: Allow to choose console with qemu_input_is_absolute
Although an input is routed depending on the console,
qemu_input_is_absolute() had no mechanism to specify the console.

Accept QemuConsole as an argument for qemu_input_is_absolute, and let
the display know the absolute/relative state for a particular console.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20230921082936.28100-1-akihiko.odaki@daynix.com>
2023-10-03 15:04:56 +04:00
Paolo Bonzini
176adafca7 audio: return Error ** from audio_state_by_name
Remove duplicate error formatting code.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-10-03 10:29:39 +02:00
Paolo Bonzini
9e58d7a756 ui/vnc: Require audiodev= to enable audio
If there is no audiodev do not send the audio ack in response to
VNC_ENCODING_AUDIO, so that clients aren't told audio exists, and
immediately drop the client if they try to send any audio control messages
when audio is not advertised.

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-10-03 10:29:39 +02:00
Markus Armbruster
e33e66b1b3 ui: Clean up local variable shadowing
Local variables shadowing other local variables or parameters make the
code needlessly hard to understand.  Tracked down with -Wshadow=local.
Clean up: delete inner declarations when they are actually redundant,
else rename variables.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-ID: <20230921121312.1301864-4-armbru@redhat.com>
2023-09-29 08:13:57 +02:00
Paolo Bonzini
477b301000 ui/vnc: fix handling of VNC_FEATURE_XVP
VNC_FEATURE_XVP was not shifted left before adding it to vs->features,
so it was never enabled; but it was also checked the wrong way with
a logical AND instead of vnc_has_feature.  Fix both places.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-09-25 18:25:03 +02:00
Paolo Bonzini
0cb9c5880e ui/vnc: fix debug output for invalid audio message
The debug message was cut and pasted from the invalid audio format
case, but the audio message is at bytes 2-3.

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-09-25 18:25:03 +02:00
Marc-André Lureau
a92e7bb4ca ui: add precondition for dpy_get_ui_info()
Ensure that it only get called when dpy_ui_info_supported(). The
function should always return a result. There should be a non-null
console or active_console.

Modify the argument to be const as well.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Albert Esteve <aesteve@redhat.com>
2023-09-12 11:14:09 +04:00
Marc-André Lureau
48a35e12fa ui: fix crash when there are no active_console
Thread 1 "qemu-system-x86" received signal SIGSEGV, Segmentation fault.
0x0000555555888630 in dpy_ui_info_supported (con=0x0) at ../ui/console.c:812
812	    return con->hw_ops->ui_info != NULL;
(gdb) bt
#0  0x0000555555888630 in dpy_ui_info_supported (con=0x0) at ../ui/console.c:812
#1  0x00005555558a44b1 in protocol_client_msg (vs=0x5555578c76c0, data=0x5555581e93f0 <incomplete sequence \373>, len=24) at ../ui/vnc.c:2585
#2  0x00005555558a19ac in vnc_client_read (vs=0x5555578c76c0) at ../ui/vnc.c:1607
#3  0x00005555558a1ac2 in vnc_client_io (ioc=0x5555581eb0e0, condition=G_IO_IN, opaque=0x5555578c76c0) at ../ui/vnc.c:1635

Fixes:
https://issues.redhat.com/browse/RHEL-2600

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Albert Esteve <aesteve@redhat.com>
2023-09-12 11:13:52 +04:00
Marc-André Lureau
6f11081991 ui/vc: split off the VC part from console.c
Move common declarations to console-priv.h, and add a new unit
console-vc.c which will handle VC/chardev rendering, when pixman is
available.

(if necessary, the move could be done chunk by chunks)

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
2023-09-12 10:37:02 +04:00
Marc-André Lureau
f7ce755df8 ui/vc: preliminary QemuTextConsole changes before split
Those changes will help to split console.c unit in the following commit.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
2023-09-12 10:37:02 +04:00
Marc-André Lureau
ff174c67db ui/console: remove redundant format field
It's already part of PIXMAN image.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
2023-09-12 10:37:02 +04:00
Marc-André Lureau
cc6ba2c6f5 ui/vc: rename kbd_put to qemu_text_console functions
They are QemuTextConsole functions, let's make it clear.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
2023-09-12 10:37:02 +04:00
Marc-André Lureau
f5360a0d28 ui/vc: remove kbd_put_keysym() and update function calls
The function calls to `kbd_put_keysym` have been updated to now call
`kbd_put_keysym_console` with a NULL console parameter.

Like most console functions, NULL argument is now for the active console.

This will allow to rename the text console functions in a consistent manner.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
2023-09-12 10:37:02 +04:00
Stefan Hajnoczi
c152379422 UI patch queue
- misc fixes and improvement
 - cleanups and refactoring in ui/vc code
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Merge tag 'ui-pull-request' of https://gitlab.com/marcandre.lureau/qemu into staging

UI patch queue

- misc fixes and improvement
- cleanups and refactoring in ui/vc code

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* tag 'ui-pull-request' of https://gitlab.com/marcandre.lureau/qemu: (52 commits)
  ui/gtk: fix leaks found wtih fuzzing
  ui/vdagent: Unregister input handler of mouse during finalization
  ui/vdagent: call vdagent_disconnect() when agent connection is lost
  ui/dbus: implement damage regions for GL
  ui/dbus: Properly dispose touch/mouse dbus objects
  ui/vnc-enc-tight: Avoid dynamic stack allocation
  ui/vnc-enc-hextile: Use static rather than dynamic length stack array
  ui/spice-display: Avoid dynamic stack allocation
  ui/vc: change the argument for QemuTextConsole
  ui/vc: do not parse VC-specific options in Spice and GTK
  ui/vc: move text console invalidate in helper
  ui/console: minor stylistic changes
  ui/vc: skip text console resize when possible
  ui/console: fold text_console_update_cursor_timer
  ui/console: assert(surface) where appropriate
  ui/console: rename vga_ functions with qemu_console_
  ui/console: use QEMU_PIXMAN_COLOR helpers
  ui/console: declare console types in console.h
  ui/vc: use common text console surface creation
  ui/console: remove need for g_width/g_height
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2023-09-06 11:16:01 -04:00
Dmitry Frolov
e38f4e976d ui/gtk: fix leaks found wtih fuzzing
It is true, that there is no problem during runtime
from the first sight, because the memory is lost just
before qemu exits. Nevertheless, this change is necessary,
because AddressSanitizer is not able to recognize this
situation and produces crash-report (which is
false-positive in fact). Lots of False-Positive warnings
are davaluing problems, found with fuzzing, and thus the
whole methodology of dynamic analysis.
This patch eliminates such False-Positive reports,
and makes every problem, found with fuzzing, more valuable.

Fixes: 060ab76356 ("gtk: don't exit early in case gtk init fails")

Signed-off-by: Dmitry Frolov <frolov@swemel.ru>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Message-Id: <20230825115818.1091936-1-frolov@swemel.ru>
2023-09-04 15:37:50 +04:00
Guoyi Tu
878490937c ui/vdagent: Unregister input handler of mouse during finalization
Input handler resource should be released when
VDAgentChardev object finalize

Signed-off-by: Guoyi Tu <tugy@chinatelecom.cn>
Signed-off-by: dengpengcheng <dengpc12@chinatelecom.cn>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <e7f5e172abf797d454e00a4bbe53af83e4aa4497.1692281173.git.tugy@chinatelecom.cn>
2023-09-04 15:29:07 +04:00
Guoyi Tu
1b4fd51656 ui/vdagent: call vdagent_disconnect() when agent connection is lost
when the agent connection is lost, the input handler of the mouse
doesn't deactivate, which results in unresponsive mouse events in
VNC windows.

To fix this issue, call vdagent_disconnect() to reset the state
each time the frontend disconncect

Signed-off-by: Guoyi Tu <tugy@chinatelecom.cn>
Signed-off-by: dengpengcheng <dengpc12@chinatelecom.cn>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <71fd5a58fd09f10cdb35f167b2edb5669300116e.1692281173.git.tugy@chinatelecom.cn>
2023-09-04 15:29:07 +04:00
Bilal Elmoussaoui
7007e98c4b ui/dbus: implement damage regions for GL
Currently, when using `-display dbus,gl=on` all updates to the client
become "full scanout" updates, meaning there is no way for the client to
limit damage regions to the display server.

Instead of using an "update count", this patch tracks the damage region
and propagates it to the client.

This was less of an issue when clients were using GtkGLArea for
rendering,
as you'd be doing full-surface redraw. To be efficient, the client needs
both a DMA-BUF and the damage region to be updated.

Co-authored-by: Christian Hergert <chergert@redhat.com>
Signed-off-by: Bilal Elmoussaoui <belmouss@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20230814125802.102160-1-belmouss@redhat.com>
2023-09-04 15:14:48 +04:00
Bilal Elmoussaoui
cb6ccdc9ca ui/dbus: Properly dispose touch/mouse dbus objects
Fixes: 142ca628a7 ("ui: add a D-Bus display backend")
Fixes: de9f844ce2 ("ui/dbus: Expose a touch device interface")

Signed-off-by: Bilal Elmoussaoui <belmouss@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20230901124507.94087-1-belmouss@redhat.com>
2023-09-04 15:14:44 +04:00
Philippe Mathieu-Daudé
dd0439e149 ui/vnc-enc-tight: Avoid dynamic stack allocation
Use autofree heap allocation instead of variable-length
array on the stack.

The codebase has very few VLAs, and if we can get rid of them all we
can make the compiler error on new additions.  This is a defensive
measure against security bugs where an on-stack dynamic allocation
isn't correctly size-checked (e.g.  CVE-2021-3527).

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
[PMM: expanded commit message]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Francisco Iglesias <frasse.iglesias@gmail.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20230818151057.1541189-4-peter.maydell@linaro.org>
2023-09-04 14:57:44 +04:00
Peter Maydell
e12acaf75d ui/vnc-enc-hextile: Use static rather than dynamic length stack array
In the send_hextile_tile_* function we create a variable length array
data[].  In fact we know that the client_pf.bytes_per_pixel is at
most 4 (enforced by set_pixel_format()), so we can make the array a
compile-time fixed length of 1536 bytes.

The codebase has very few VLAs, and if we can get rid of them all we
can make the compiler error on new additions.  This is a defensive
measure against security bugs where an on-stack dynamic allocation
isn't correctly size-checked (e.g.  CVE-2021-3527).

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
[ Marc-André - rename BPP to MAX_BYTES_PER_PIXEL ]
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20230818151057.1541189-3-peter.maydell@linaro.org>
2023-09-04 14:57:44 +04:00
Peter Maydell
1663ffb915 ui/spice-display: Avoid dynamic stack allocation
Use an autofree heap allocation instead of a variable-length
array on the stack in qemu_spice_create_update().

The codebase has very few VLAs, and if we can get rid of them all we
can make the compiler error on new additions.  This is a defensive
measure against security bugs where an on-stack dynamic allocation
isn't correctly size-checked (e.g.  CVE-2021-3527).

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20230818151057.1541189-2-peter.maydell@linaro.org>
2023-09-04 14:57:44 +04:00
Marc-André Lureau
9db018ac56 ui/vc: change the argument for QemuTextConsole
Those functions are specifc to text/vc console, make that explicit from
the argument type.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230830093843.3531473-45-marcandre.lureau@redhat.com>
2023-09-04 14:57:44 +04:00
Marc-André Lureau
32aa1f8dee ui/vc: do not parse VC-specific options in Spice and GTK
In commit 6f974c843c ("gtk: overwrite the console.c char driver"), I
shared the VC console parse handler with GTK. And later on in commit
d8aec9d9 ("display: add -display spice-app launching a Spice client"),
I also used it to handle spice-app VC.

This is not necessary, the VC console options (width/height/cols/rows)
are specific, and unused by tty-level GTK/Spice VC.

This is not a breaking change, as those options are still being parsed
by QAPI ChardevVC. Adjust the documentation about it.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230830093843.3531473-44-marcandre.lureau@redhat.com>
2023-09-04 14:57:37 +04:00
Marc-André Lureau
322dae4bc8 ui/vc: move text console invalidate in helper
This will allow to split the VC code in a separate unit more easily.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230830093843.3531473-43-marcandre.lureau@redhat.com>
2023-09-04 14:38:15 +04:00
Marc-André Lureau
893fe23e7d ui/console: minor stylistic changes
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230830093843.3531473-42-marcandre.lureau@redhat.com>
2023-09-04 14:24:36 +04:00
Marc-André Lureau
9cb737b77d ui/vc: skip text console resize when possible
This function is called on invalidate, on each cursor blink.

Avoid the extra copy when the console size didn't change.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230830093843.3531473-41-marcandre.lureau@redhat.com>
2023-09-04 14:24:08 +04:00
Marc-André Lureau
3f9c21325c ui/console: fold text_console_update_cursor_timer
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230830093843.3531473-40-marcandre.lureau@redhat.com>
2023-09-04 14:03:08 +04:00
Marc-André Lureau
0a1642e7cc ui/console: assert(surface) where appropriate
The QemuTextConsole code paths assume a surface is being used as
scanout, let's make this more explicit.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230830093843.3531473-39-marcandre.lureau@redhat.com>
2023-09-04 14:01:52 +04:00
Marc-André Lureau
b704a8ce0c ui/console: rename vga_ functions with qemu_console_
They are not specific to VGA. Let's use the object type name as prefix
instead, to avoid confusion.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230830093843.3531473-38-marcandre.lureau@redhat.com>
2023-09-04 14:01:22 +04:00