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[v4,06/19] drm/virtgpu api: host visible feature

Message ID 20200924003214.662-6-gurchetansingh@chromium.org (mailing list archive)
State New, archived
Headers show
Series [v4,01/19] drm/virtio: blob prep: refactor getting pages and attaching backing | expand

Commit Message

Gurchetan Singh Sept. 24, 2020, 12:32 a.m. UTC 
This exposes the host visible feature to userspace.  Without it,
it is an error to specify BLOB_MEM_HOST3D with
BLOG_FLAG_USE_MAPPABLE.

Signed-off-by: Gurchetan Singh <gurchetansingh@chromium.org>
Acked-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Acked-by: Lingfeng Yang <lfy@google.com>
---
 include/uapi/drm/virtgpu_drm.h | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/include/uapi/drm/virtgpu_drm.h b/include/uapi/drm/virtgpu_drm.h
index bb224f604c9e3..e1b1518f9acc5 100644
--- a/include/uapi/drm/virtgpu_drm.h
+++ b/include/uapi/drm/virtgpu_drm.h
@@ -73,6 +73,7 @@  struct drm_virtgpu_execbuffer {
 #define VIRTGPU_PARAM_3D_FEATURES 1 /* do we have 3D features in the hw */
 #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 */
 
 struct drm_virtgpu_getparam {
 	__u64 param;