On Tue, Oct 10, 2023 at 11:52:14PM +0800, Dmitry Osipenko wrote: > On 10/10/23 18:40, Dmitry Osipenko wrote: > > On 10/10/23 16:57, Huang Rui wrote: > >> These definitions are used fro qemu, and qemu imports this marco in the > >> headers to enable gfxstream, venus, cross domain, and drm (native > >> context) for virtio gpu. So it should add them even kernel doesn't use > >> this. > >> > >> Signed-off-by: Huang Rui <ray.huang@xxxxxxx> > >> Reviewed-by: Akihiko Odaki <akihiko.odaki@xxxxxxxxxx> > >> --- > >> > >> Changes V1 -> V2: > >> - Add all capsets including gfxstream and venus in kernel header (Dmitry Osipenko) > >> > >> Changes V2 -> V3: > >> - Add missed capsets including cross domain and drm (native context) > >> (Dmitry Osipenko) > >> > >> v1: https://lore.kernel.org/lkml/20230915105918.3763061-1-ray.huang@xxxxxxx/ > >> v2: https://lore.kernel.org/lkml/20231010032553.1138036-1-ray.huang@xxxxxxx/ > >> > >> include/uapi/linux/virtio_gpu.h | 4 ++++ > >> 1 file changed, 4 insertions(+) > >> > >> diff --git a/include/uapi/linux/virtio_gpu.h b/include/uapi/linux/virtio_gpu.h > >> index f556fde07b76..240911c8da31 100644 > >> --- a/include/uapi/linux/virtio_gpu.h > >> +++ b/include/uapi/linux/virtio_gpu.h > >> @@ -309,6 +309,10 @@ struct virtio_gpu_cmd_submit { > >> > >> #define VIRTIO_GPU_CAPSET_VIRGL 1 > >> #define VIRTIO_GPU_CAPSET_VIRGL2 2 > >> +#define VIRTIO_GPU_CAPSET_GFXSTREAM 3 > > > > The GFXSTREAM capset isn't correct, it should be GFXSTREAM_VULKAN in > > accordance to [1] and [2]. There are more capsets for GFXSTREAM. > > > > [1] > > https://github.com/google/crosvm/blob/main/rutabaga_gfx/src/rutabaga_utils.rs#L172 > > > > [2] > > https://patchwork.kernel.org/project/qemu-devel/patch/20231006010835.444-7-gurchetansingh@xxxxxxxxxxxx/ > > Though, maybe those are "rutabaga" capsets that not related to > virtio-gpu because crosvm has another defs for virtio-gpu capsets [3]. > The DRM capset is oddly missing in [3] and code uses "rutabaga" capset > for DRM and virtio-gpu. > > [3] > https://github.com/google/crosvm/blob/main/devices/src/virtio/gpu/protocol.rs#L416 Yes, [3] is the file that I referred to add these capsets definitions. And it's defined as gfxstream not gfxstream_vulkan. > > Gurchetan, could you please clarify which capsets definitions are > related to virtio-gpu and gfxstream. The > GFXSTREAM_VULKAN/GLES/MAGMA/COMPOSER or just the single GFXSTREAM? > Gurchetan, may we have your insight? Thanks, Ray > -- > Best regards, > Dmitry >