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vfio/igd: add Gemini Lake and Comet Lake device ids

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Both Gemini Lake and Comet Lake are gen 9 devices. Many user reports
on internet shows legacy mode of igd passthrough works as qemu treats
them as gen 8 devices by default before e433f208973f ("vfio/igd:
return an invalid generation for unknown devices").

Reviewed-by: Corvin Köhne <c.koehne@beckhoff.com>
Signed-off-by: Tomita Moeko <tomitamoeko@gmail.com>
Reviewed-by: Alex Williamson <alex.williamson@redhat.com>
Link: https://lore.kernel.org/r/20241206122749.9893-6-tomitamoeko@gmail.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>
This commit is contained in:
Tomita Moeko 2024-12-06 20:27:43 +08:00 committed by Cédric Le Goater
parent 1e1eac5f3d
commit 183714d8f9
1 changed files with 2 additions and 0 deletions
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hw/vfio/igd.c
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@ -81,8 +81,10 @@ static int igd_gen(VFIOPCIDevice *vdev)
case 0x2200: /* Cherryview */ case 0x2200: /* Cherryview */
return 8; return 8;
case 0x1900: /* Skylake */ case 0x1900: /* Skylake */
case 0x3100: /* Gemini Lake */
case 0x5900: /* Kaby Lake */ case 0x5900: /* Kaby Lake */
case 0x3e00: /* Coffee Lake */ case 0x3e00: /* Coffee Lake */
case 0x9B00: /* Comet Lake */
return 9; return 9;
case 0x4500: /* Elkhart Lake */ case 0x4500: /* Elkhart Lake */
return 11; return 11;