drivers/gpu/drm/vmwgfx/device_include/svga_escape.h

   1 /* SPDX-License-Identifier: GPL-2.0 OR MIT */
   2 /**********************************************************
   3  * Copyright 2007-2015 VMware, Inc.
   4  *
   5  * Permission is hereby granted, free of charge, to any person
   6  * obtaining a copy of this software and associated documentation
   7  * files (the "Software"), to deal in the Software without
   8  * restriction, including without limitation the rights to use, copy,
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  10  * of the Software, and to permit persons to whom the Software is
  11  * furnished to do so, subject to the following conditions:
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  13  * The above copyright notice and this permission notice shall be
  14  * included in all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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  18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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  21  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  22  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23  * SOFTWARE.
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  25  **********************************************************/
  26
  27 /*
  28  * svga_escape.h --
  29  *
  30  *    Definitions for our own (vendor-specific) SVGA Escape commands.
  31  */
  32
  33 #ifndef _SVGA_ESCAPE_H_
  34 #define _SVGA_ESCAPE_H_
  35
  36
  37 /*
  38  * Namespace IDs for the escape command
  39  */
  40
  41 #define SVGA_ESCAPE_NSID_VMWARE 0x00000000
  42 #define SVGA_ESCAPE_NSID_DEVEL  0xFFFFFFFF
  43
  44
  45 /*
  46  * Within SVGA_ESCAPE_NSID_VMWARE, we multiplex commands according to
  47  * the first DWORD of escape data (after the nsID and size). As a
  48  * guideline we're using the high word and low word as a major and
  49  * minor command number, respectively.
  50  *
  51  * Major command number allocation:
  52  *
  53  *   0000: Reserved
  54  *   0001: SVGA_ESCAPE_VMWARE_LOG (svga_binary_logger.h)
  55  *   0002: SVGA_ESCAPE_VMWARE_VIDEO (svga_overlay.h)
  56  *   0003: SVGA_ESCAPE_VMWARE_HINT (svga_escape.h)
  57  */
  58
  59 #define SVGA_ESCAPE_VMWARE_MAJOR_MASK  0xFFFF0000
  60
  61
  62 /*
  63  * SVGA Hint commands.
  64  *
  65  * These escapes let the SVGA driver provide optional information to
  66  * he host about the state of the guest or guest applications. The
  67  * host can use these hints to make user interface or performance
  68  * decisions.
  69  *
  70  * Notes:
  71  *
  72  *   - SVGA_ESCAPE_VMWARE_HINT_FULLSCREEN is deprecated for guests
  73  *     that use the SVGA Screen Object extension. Instead of sending
  74  *     this escape, use the SVGA_SCREEN_FULLSCREEN_HINT flag on your
  75  *     Screen Object.
  76  */
  77
  78 #define SVGA_ESCAPE_VMWARE_HINT               0x00030000
  79 #define SVGA_ESCAPE_VMWARE_HINT_FULLSCREEN    0x00030001  /* Deprecated */
  80
  81 typedef
  82 struct {
  83    uint32 command;
  84    uint32 fullscreen;
  85    struct {
  86       int32 x, y;
  87    } monitorPosition;
  88 } SVGAEscapeHintFullscreen;
  89
  90 #endif /* _SVGA_ESCAPE_H_ */