From bf36dea17623b65cfbbe6219bfea1326255a89b6 Mon Sep 17 00:00:00 2001
From: Gurchetan Singh <gurchetansingh@chromium.org>
Date: Wed, 23 Sep 2020 17:32:02 -0700
Subject: [PATCH] drm/virtgpu api: cross-device feature
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>
---
include/uapi/drm/virtgpu_drm.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/uapi/drm/virtgpu_drm.h b/include/uapi/drm/virtgpu_drm.h
index e1b1518f9acc5..b9ec26e9c6463 100644
--- a/include/uapi/drm/virtgpu_drm.h
+++ b/include/uapi/drm/virtgpu_drm.h
@@ -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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