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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>
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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>
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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>
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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>
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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>
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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>
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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>
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staging
UI patch queue
- misc fixes and improvement
- cleanups and refactoring in ui/vc code
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# gpg: Signature made Mon 04 Sep 2023 07:43:34 EDT
# gpg: using RSA key 87A9BD933F87C606D276F62DDAE8E10975969CE5
# gpg: issuer "marcandre.lureau@redhat.com"
# gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>" [full]
# gpg: aka "Marc-André Lureau <marcandre.lureau@gmail.com>" [full]
# Primary key fingerprint: 87A9 BD93 3F87 C606 D276 F62D DAE8 E109 7596 9CE5
* 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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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QEMU_RGB macro is actually defining a pixman color. Make this explicit
in the macro name. Move it to qemu-pixman.h so it can be used elsewhere,
as done in the following patch. Finally, define
QEMU_PIXMAN_COLOR_{BLACK,GRAY}, to avoid need to look up the VGA color
table from the QemuConsole placeholder surface rendering.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230830093843.3531473-37-marcandre.lureau@redhat.com>
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We are going to split the console.c unit next, and implement
separately. But we need to check the underlying type in various places.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230830093843.3531473-36-marcandre.lureau@redhat.com>
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Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230830093843.3531473-35-marcandre.lureau@redhat.com>
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Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230830093843.3531473-34-marcandre.lureau@redhat.com>
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We can get the active console dimension regardless of its kind, by
simply giving NULL as argument. It will fallback with the given value
when the dimensions aren't known.
This will also allow to move the 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: <20230830093843.3531473-33-marcandre.lureau@redhat.com>
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Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230830093843.3531473-32-marcandre.lureau@redhat.com>
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Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20230830093843.3531473-31-marcandre.lureau@redhat.com>
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Move fields specific to graphic console to the console subclass.
qemu_console_get_head() is adapated to accomodate QemuTextConsole, and
always returns 0.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230830093843.3531473-30-marcandre.lureau@redhat.com>
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Now we can instantiate the specific console with its own fields. Pass
the most appropriate type to the various functions, and cast up to
QEMU_CONSOLE as necessary.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230830093843.3531473-29-marcandre.lureau@redhat.com>
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This code path is probably not executed at this point, since console
aren't being released.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230830093843.3531473-28-marcandre.lureau@redhat.com>
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The timer is only relevant when a text console exists.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230830093843.3531473-27-marcandre.lureau@redhat.com>
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Although at this point only QemuGraphicConsole have hw_ops that
implements ui_info() callback, it makes sense to keep the code in the
base QemuConsole, to simplify conditions for the caller.
As of now, the code didn't reach a NULL timer because dpy_set_ui_info()
checks if dpy_ui_info_supported() (hw_ops->ui_info != NULL), which is
false for text_console_ops. This is a bit fragile, let simply allocate
and free the timer in the base class.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230830093843.3531473-26-marcandre.lureau@redhat.com>
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When recycling unused QemuConsole, we should still set the associated
head number for correct information and lookups.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230830093843.3531473-25-marcandre.lureau@redhat.com>
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graphics_console_init() is expected to return a graphic console.
The function doesn't need to be exported.
We are going to specialize further QemuGraphicConsole & QemuTextConsole.
The two will not be interchangeable anymore.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230830093843.3531473-24-marcandre.lureau@redhat.com>
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The constructor helper isn't of much used now.
"head" is only specified for graphic console (and default to 0), and we
are going to move it to QemuGraphicConsole next.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230830093843.3531473-23-marcandre.lureau@redhat.com>
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Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230830093843.3531473-22-marcandre.lureau@redhat.com>
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This will allow to move code/data to the specific console types.
Replace console_type_t with object type check.
QemuConsole can be abstract.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230830093843.3531473-21-marcandre.lureau@redhat.com>
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Boilerplate code to introduce different object types for the different
console types.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230830093843.3531473-20-marcandre.lureau@redhat.com>
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Object construction should be done in respective object instance and
class handlers.
Introduce qemu_console_register() to split out the registration logic.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230830093843.3531473-19-marcandre.lureau@redhat.com>
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The following patch will move some object initialization to the
corresponding handlers.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230830093843.3531473-18-marcandre.lureau@redhat.com>
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Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230830093843.3531473-17-marcandre.lureau@redhat.com>
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Even though they actually use more of QemuConsole at this point, it
makes it clearer those functions are only used from the chardev
implementation.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230830093843.3531473-16-marcandre.lureau@redhat.com>
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Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230830093843.3531473-15-marcandre.lureau@redhat.com>
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Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230830093843.3531473-14-marcandre.lureau@redhat.com>
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To allow easier refactoring in following patches.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230830093843.3531473-13-marcandre.lureau@redhat.com>
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Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230830093843.3531473-12-marcandre.lureau@redhat.com>
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