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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>
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Gurchetan Singh authored and Gerd Hoffmann committed Sep 29, 2020
1 parent 7a571c7 commit bf36dea
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1 change: 1 addition & 0 deletions include/uapi/drm/virtgpu_drm.h
Original file line number Diff line number Diff line change
Expand Up @@ -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;
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