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xen: convert "-machine igd-passthru" to an accelerator property

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The first machine property to fall is Xen's Intel integrated graphics
passthrough.  The "-machine igd-passthru" option does not set anymore
a property on the machine object, but desugars to a GlobalProperty on
accelerator objects.

The setter is very simple, since the value ends up in a
global variable, so this patch also provides an example before the more
complicated cases that follow it.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2019-11-13 10:56:53 +01:00
parent fe17413247
commit 46472d8232
6 changed files with 28 additions and 34 deletions
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20
hw/core/machine.c
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@ -417,20 +417,6 @@ static void machine_set_graphics(Object *obj, bool value, Error **errp)
ms->enable_graphics = value;
}
static bool machine_get_igd_gfx_passthru(Object *obj, Error **errp)
{
MachineState *ms = MACHINE(obj);
return ms->igd_gfx_passthru;
}
static void machine_set_igd_gfx_passthru(Object *obj, bool value, Error **errp)
{
MachineState *ms = MACHINE(obj);
ms->igd_gfx_passthru = value;
}
static char *machine_get_firmware(Object *obj, Error **errp)
{
MachineState *ms = MACHINE(obj);
@ -867,12 +853,6 @@ static void machine_class_init(ObjectClass *oc, void *data)
object_class_property_set_description(oc, "graphics",
"Set on/off to enable/disable graphics emulation", &error_abort);
object_class_property_add_bool(oc, "igd-passthru",
machine_get_igd_gfx_passthru, machine_set_igd_gfx_passthru,
&error_abort);
object_class_property_set_description(oc, "igd-passthru",
"Set on/off to enable/disable igd passthrou", &error_abort);
object_class_property_add_str(oc, "firmware",
machine_get_firmware, machine_set_firmware,
&error_abort);