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  1. /*
  2.  * Copyright © 2009 Corbin Simpson
  3.  * All Rights Reserved.
  4.  *
  5.  * Permission is hereby granted, free of charge, to any person obtaining
  6.  * a copy of this software and associated documentation files (the
  7.  * "Software"), to deal in the Software without restriction, including
  8.  * without limitation the rights to use, copy, modify, merge, publish,
  9.  * distribute, sub license, and/or sell copies of the Software, and to
  10.  * permit persons to whom the Software is furnished to do so, subject to
  11.  * the following conditions:
  12.  *
  13.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  14.  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  15.  * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  16.  * NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS, AUTHORS
  17.  * AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  18.  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19.  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  20.  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  21.  *
  22.  * The above copyright notice and this permission notice (including the
  23.  * next paragraph) shall be included in all copies or substantial portions
  24.  * of the Software.
  25.  */
  26. /*
  27.  * Authors:
  28.  *      Corbin Simpson <MostAwesomeDude@gmail.com>
  29.  */
  30. #ifndef RADEON_DRM_WINSYS_H
  31. #define RADEON_DRM_WINSYS_H
  32.  
  33. #include "radeon_winsys.h"
  34. #include "os/os_thread.h"
  35.  
  36. struct radeon_drm_cs;
  37.  
  38. enum radeon_generation {
  39.     DRV_R300,
  40.     DRV_R600,
  41.     DRV_SI
  42. };
  43.  
  44. struct radeon_drm_winsys {
  45.     struct radeon_winsys base;
  46.  
  47.     int fd; /* DRM file descriptor */
  48.     int num_cs; /* The number of command streams created. */
  49.     uint64_t allocated_vram;
  50.     uint64_t allocated_gtt;
  51.     uint64_t buffer_wait_time; /* time spent in buffer_wait in ns */
  52.  
  53.     enum radeon_generation gen;
  54.     struct radeon_info info;
  55.  
  56.     struct pb_manager *kman;
  57.     struct pb_manager *cman;
  58.     struct radeon_surface_manager *surf_man;
  59.  
  60.     uint32_t num_cpus;      /* Number of CPUs. */
  61.  
  62.     struct radeon_drm_cs *hyperz_owner;
  63.     pipe_mutex hyperz_owner_mutex;
  64.     struct radeon_drm_cs *cmask_owner;
  65.     pipe_mutex cmask_owner_mutex;
  66.  
  67.     /* rings submission thread */
  68.     pipe_mutex cs_stack_lock;
  69.     pipe_semaphore cs_queued;
  70.     /* we cannot use semaphore for empty queue because maintaining an even
  71.      * number of call to semaphore_wait and semaphore_signal is, to say the
  72.      * least, tricky
  73.      */
  74.     pipe_condvar cs_queue_empty;
  75.     pipe_thread thread;
  76.     int kill_thread;
  77.     int ncs;
  78.     struct radeon_drm_cs *cs_stack[RING_LAST];
  79. };
  80.  
  81. static INLINE struct radeon_drm_winsys *
  82. radeon_drm_winsys(struct radeon_winsys *base)
  83. {
  84.     return (struct radeon_drm_winsys*)base;
  85. }
  86.  
  87. void radeon_drm_ws_queue_cs(struct radeon_drm_winsys *ws, struct radeon_drm_cs *cs);
  88.  
  89. #endif
  90.