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kernel/linux-rt-4.4.41/drivers/gpu/drm/vmwgfx/device_include/svga_escape.h 2.8 KB
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  /**********************************************************
   * Copyright 2007-2015 VMware, Inc.  All rights reserved.
   *
   * 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 AUTHORS OR COPYRIGHT HOLDERS
   * 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.
   *
   **********************************************************/
  
  /*
   * svga_escape.h --
   *
   *    Definitions for our own (vendor-specific) SVGA Escape commands.
   */
  
  #ifndef _SVGA_ESCAPE_H_
  #define _SVGA_ESCAPE_H_
  
  
  /*
   * Namespace IDs for the escape command
   */
  
  #define SVGA_ESCAPE_NSID_VMWARE 0x00000000
  #define SVGA_ESCAPE_NSID_DEVEL  0xFFFFFFFF
  
  
  /*
   * Within SVGA_ESCAPE_NSID_VMWARE, we multiplex commands according to
   * the first DWORD of escape data (after the nsID and size). As a
   * guideline we're using the high word and low word as a major and
   * minor command number, respectively.
   *
   * Major command number allocation:
   *
   *   0000: Reserved
   *   0001: SVGA_ESCAPE_VMWARE_LOG (svga_binary_logger.h)
   *   0002: SVGA_ESCAPE_VMWARE_VIDEO (svga_overlay.h)
   *   0003: SVGA_ESCAPE_VMWARE_HINT (svga_escape.h)
   */
  
  #define SVGA_ESCAPE_VMWARE_MAJOR_MASK  0xFFFF0000
  
  
  /*
   * SVGA Hint commands.
   *
   * These escapes let the SVGA driver provide optional information to
   * he host about the state of the guest or guest applications. The
   * host can use these hints to make user interface or performance
   * decisions.
   *
   * Notes:
   *
   *   - SVGA_ESCAPE_VMWARE_HINT_FULLSCREEN is deprecated for guests
   *     that use the SVGA Screen Object extension. Instead of sending
   *     this escape, use the SVGA_SCREEN_FULLSCREEN_HINT flag on your
   *     Screen Object.
   */
  
  #define SVGA_ESCAPE_VMWARE_HINT               0x00030000
  #define SVGA_ESCAPE_VMWARE_HINT_FULLSCREEN    0x00030001  /* Deprecated */
  
  typedef
  struct {
     uint32 command;
     uint32 fullscreen;
     struct {
        int32 x, y;
     } monitorPosition;
  } SVGAEscapeHintFullscreen;
  
  #endif /* _SVGA_ESCAPE_H_ */