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drm/virtgpu api: cross-device feature

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This feature was recently added to virtio-gpu, lets make
it userspace queryable. It's an error to use
BLOB_FLAG_USE_CROSS_DEVICE when this feature is not present.

Signed-off-by: Gurchetan Singh <gurchetansingh@chromium.org>
Acked-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20200924003214.662-7-gurchetansingh@chromium.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gurchetan Singh 2020-09-23 17:32:02 -07:00 committed by Gerd Hoffmann
parent 7a571c76dd
commit bf36dea176
1 changed files with 1 additions and 0 deletions
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include/uapi/drm/virtgpu_drm.h
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@ -74,6 +74,7 @@ struct drm_virtgpu_execbuffer {
#define VIRTGPU_PARAM_CAPSET_QUERY_FIX 2 /* do we have the capset fix */
#define VIRTGPU_PARAM_RESOURCE_BLOB 3 /* DRM_VIRTGPU_RESOURCE_CREATE_BLOB */
#define VIRTGPU_PARAM_HOST_VISIBLE 4 /* Host blob resources are mappable */
#define VIRTGPU_PARAM_CROSS_DEVICE 5 /* Cross virtio-device resource sharing */
struct drm_virtgpu_getparam {
__u64 param;