1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vboxvideo/hgsmi_ch_setup.h b/drivers/gpu/drm/vboxvideo/hgsmi_ch_setup.h
new file mode 100644
index 000000000000..4e93418d6a13
--- /dev/null
+++ b/drivers/gpu/drm/vboxvideo/hgsmi_ch_setup.h
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright (C) 2006-2017 Oracle Corporation */
+
+#ifndef __HGSMI_CH_SETUP_H__
+#define __HGSMI_CH_SETUP_H__
+
+/*
+ * Tell the host the location of hgsmi_host_flags structure, where the host
+ * can write information about pending buffers, etc, and which can be quickly
+ * polled by the guest without a need to port IO.
+ */
+#define HGSMI_CC_HOST_FLAGS_LOCATION 0
+
+struct hgsmi_buffer_location {
+	u32 buf_location;
+	u32 buf_len;
+} __packed;
+
+/* HGSMI setup and configuration data structures. */
+
+#define HGSMIHOSTFLAGS_COMMANDS_PENDING    0x01u
+#define HGSMIHOSTFLAGS_IRQ                 0x02u
+#define HGSMIHOSTFLAGS_VSYNC               0x10u
+#define HGSMIHOSTFLAGS_HOTPLUG             0x20u
+#define HGSMIHOSTFLAGS_CURSOR_CAPABILITIES 0x40u
+
+struct hgsmi_host_flags {
+	u32 host_flags;
+	u32 reserved[3];
+} __packed;
+
+#endif