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qemu_capabilities: Introduce QEMU_CAPS_MACHINE_I8042_OPT

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This capability tells us whether given QEMU binary supports the
'-machine xxx,i8042=on/off' toggle used to enable/disable PS/2
controller emulation.

A few facts:
- This option was introduced in QEMU 7.0 and defaults to 'on'
- QEMU versions before 7.0 enabled i8042 controller emulation implicitly
- This option (and i8042 controller emulation itself) is only supported
by descendants of the generic PC machine type (e.g. i440fx, q35, etc.)

Signed-off-by: Kamil Szczęk <kamil@szczek.dev>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Kamil Szczęk
2024-08-19 01:17:56 +00:00
committed by Michal Privoznik
parent 51521d13a8
commit 9eb3c28323
24 changed files with 2727 additions and 290 deletions
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1
tests/qemucapabilitiesdata/caps_7.0.0_x86_64.xml
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@@ -188,6 +188,7 @@
<flag name='usb-mtp'/>
<flag name='netdev.user'/>
<flag name='acpi-erst'/>
<flag name='machine-i8042-opt'/>
<version>7000000</version>
<microcodeVersion>43100243</microcodeVersion>
<package>v7.0.0</package>