UBUNTU: ubuntu: vbox -- update to 5.2.0-dfsg-2

[mirror_ubuntu-bionic-kernel.git] / ubuntu / vbox / vboxvideo / hgsmi_ch_setup.h

diff --git a/ubuntu/vbox/vboxvideo/hgsmi_ch_setup.h b/ubuntu/vbox/vboxvideo/hgsmi_ch_setup.h
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+/*
+ * Copyright (C) 2006-2017 Oracle Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef __HGSMI_CH_SETUP_H__
+#define __HGSMI_CH_SETUP_H__
+
+#include "hgsmi_defs.h"
+
+/* HGSMI setup and configuration channel commands and data structures. */
+/*
+ * 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 location;
+       u32   buf_len;
+};
+assert_compile_size(struct hgsmi_buffer_location, 8);
+
+/* HGSMI setup and configuration data structures. */
+/* host->guest commands pending, should be accessed under FIFO lock only */
+#define HGSMIHOSTFLAGS_COMMANDS_PENDING    0x01u
+/* IRQ is fired, should be accessed under VGAState::lock only  */
+#define HGSMIHOSTFLAGS_IRQ                 0x02u
+#ifdef VBOX_WITH_WDDM
+/* one or more guest commands is completed, should be accessed under FIFO lock only */
+# define HGSMIHOSTFLAGS_GCOMMAND_COMPLETED 0x04u
+/* watchdog timer interrupt flag (used for debugging), should be accessed under VGAState::lock only */
+# define HGSMIHOSTFLAGS_WATCHDOG           0x08u
+#endif
+/* vsync interrupt flag, should be accessed under VGAState::lock only */
+#define HGSMIHOSTFLAGS_VSYNC               0x10u
+/** monitor hotplug flag, should be accessed under VGAState::lock only */
+#define HGSMIHOSTFLAGS_HOTPLUG             0x20u
+/**
+ * Cursor capability state change flag, should be accessed under
+ * VGAState::lock only.  @see struct vbva_conf32.
+ */
+#define HGSMIHOSTFLAGS_CURSOR_CAPABILITIES 0x40u
+
+struct hgsmi_host_flags {
+       /*
+        * Host flags can be accessed and modified in multiple threads
+        * concurrently, e.g. CrOpenGL HGCM and GUI threads when completing
+        * HGSMI 3D and Video Accel respectively, EMT thread when dealing with
+        * HGSMI command processing, etc.
+        * Besides settings/cleaning flags atomically, some flags have their
+        * own special sync restrictions, see comments for flags above.
+        */
+       volatile u32 host_flags;
+       u32 reserved[3];
+};
+assert_compile_size(struct hgsmi_host_flags, 16);
+
+#endif