drivers/gpu/drm/vmwgfx/svga_escape.h

   1 /**********************************************************
   2  * Copyright 2007-2009 VMware, Inc.  All rights reserved.
   3  *
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   5  * obtaining a copy of this software and associated documentation
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   9  * of the Software, and to permit persons to whom the Software is
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  13  * included in all copies or substantial portions of the Software.
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  25
  26 /*
  27  * svga_escape.h --
  28  *
  29  *    Definitions for our own (vendor-specific) SVGA Escape commands.
  30  */
  31
  32 #ifndef _SVGA_ESCAPE_H_
  33 #define _SVGA_ESCAPE_H_
  34
  35
  36 /*
  37  * Namespace IDs for the escape command
  38  */
  39
  40 #define SVGA_ESCAPE_NSID_VMWARE 0x00000000
  41 #define SVGA_ESCAPE_NSID_DEVEL  0xFFFFFFFF
  42
  43
  44 /*
  45  * Within SVGA_ESCAPE_NSID_VMWARE, we multiplex commands according to
  46  * the first DWORD of escape data (after the nsID and size). As a
  47  * guideline we're using the high word and low word as a major and
  48  * minor command number, respectively.
  49  *
  50  * Major command number allocation:
  51  *
  52  *   0000: Reserved
  53  *   0001: SVGA_ESCAPE_VMWARE_LOG (svga_binary_logger.h)
  54  *   0002: SVGA_ESCAPE_VMWARE_VIDEO (svga_overlay.h)
  55  *   0003: SVGA_ESCAPE_VMWARE_HINT (svga_escape.h)
  56  */
  57
  58 #define SVGA_ESCAPE_VMWARE_MAJOR_MASK  0xFFFF0000
  59
  60
  61 /*
  62  * SVGA Hint commands.
  63  *
  64  * These escapes let the SVGA driver provide optional information to
  65  * he host about the state of the guest or guest applications. The
  66  * host can use these hints to make user interface or performance
  67  * decisions.
  68  *
  69  * Notes:
  70  *
  71  *   - SVGA_ESCAPE_VMWARE_HINT_FULLSCREEN is deprecated for guests
  72  *     that use the SVGA Screen Object extension. Instead of sending
  73  *     this escape, use the SVGA_SCREEN_FULLSCREEN_HINT flag on your
  74  *     Screen Object.
  75  */
  76
  77 #define SVGA_ESCAPE_VMWARE_HINT               0x00030000
  78 #define SVGA_ESCAPE_VMWARE_HINT_FULLSCREEN    0x00030001  // Deprecated
  79
  80 typedef
  81 struct {
  82    uint32 command;
  83    uint32 fullscreen;
  84    struct {
  85       int32 x, y;
  86    } monitorPosition;
  87 } SVGAEscapeHintFullscreen;
  88
  89 #endif /* _SVGA_ESCAPE_H_ */