[PATCH] virtgpu: Update kernel header

Gurchetan Singh gurchetansingh at chromium.org
Thu Feb 28 00:29:59 UTC 2019


Generated using make headers_install.

This brings in the in/out fence support for explicit
synchronization.

Signed-off-by: Gurchetan Singh <gurchetansingh at chromium.org>
---
 include/drm/virtgpu_drm.h | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/include/drm/virtgpu_drm.h b/include/drm/virtgpu_drm.h
index 9a781f06..acb21912 100644
--- a/include/drm/virtgpu_drm.h
+++ b/include/drm/virtgpu_drm.h
@@ -47,6 +47,13 @@ extern "C" {
 #define DRM_VIRTGPU_WAIT     0x08
 #define DRM_VIRTGPU_GET_CAPS  0x09
 
+#define VIRTGPU_EXECBUF_FENCE_FD_IN	0x01
+#define VIRTGPU_EXECBUF_FENCE_FD_OUT	0x02
+#define VIRTGPU_EXECBUF_FLAGS  (\
+		VIRTGPU_EXECBUF_FENCE_FD_IN |\
+		VIRTGPU_EXECBUF_FENCE_FD_OUT |\
+		0)
+
 struct drm_virtgpu_map {
 	__u64 offset; /* use for mmap system call */
 	__u32 handle;
@@ -54,16 +61,18 @@ struct drm_virtgpu_map {
 };
 
 struct drm_virtgpu_execbuffer {
-	__u32		flags;		/* for future use */
+	__u32 flags;
 	__u32 size;
 	__u64 command; /* void* */
 	__u64 bo_handles;
 	__u32 num_bo_handles;
-	__u32 pad;
+	__s32 fence_fd; /* in/out fence fd (see VIRTGPU_EXECBUF_FENCE_FD_IN/OUT) */
 };
 
 #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_NO_TRANSFER      3 /* have VIRTIO_GPU_F_NO_TRANSFER */
+#define VIRTGPU_PARAM_HOST_COHERENT    4 /* have VIRTIO_GPU_F_HOST_COHERENT */
 
 struct drm_virtgpu_getparam {
 	__u64 param;
@@ -137,7 +146,7 @@ struct drm_virtgpu_get_caps {
 	DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_MAP, struct drm_virtgpu_map)
 
 #define DRM_IOCTL_VIRTGPU_EXECBUFFER \
-	DRM_IOW(DRM_COMMAND_BASE + DRM_VIRTGPU_EXECBUFFER,\
+	DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_EXECBUFFER,\
 		struct drm_virtgpu_execbuffer)
 
 #define DRM_IOCTL_VIRTGPU_GETPARAM \
-- 
2.20.1



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