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hw/vfio: add ramfb migration support

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Add a "VFIODisplay" subsection whenever "x-ramfb-migrate" is turned on.

Turn it off by default on machines <= 8.1 for compatibility reasons.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
[ clg:  - checkpatch fixes
  	- improved warn_report() in vfio_realize() ]
Signed-off-by: Cédric Le Goater <clg@redhat.com>
This commit is contained in:
Marc-André Lureau 2023-10-09 10:32:47 +04:00 • committed by Cédric Le Goater
parent a1e88d2d2b
commit 8741781157
5 changed files with 74 additions and 0 deletions
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2
stubs/ramfb.c
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@ -2,6 +2,8 @@
#include "qapi/error.h"
#include "hw/display/ramfb.h"
const VMStateDescription ramfb_vmstate = {};
void ramfb_display_update(QemuConsole *con, RAMFBState *s)
{
}