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      1 /**********************************************************
      2  * Copyright 2009 VMware, Inc.  All rights reserved.
      3  *
      4  * Permission is hereby granted, free of charge, to any person
      5  * obtaining a copy of this software and associated documentation
      6  * files (the "Software"), to deal in the Software without
      7  * restriction, including without limitation the rights to use, copy,
      8  * modify, merge, publish, distribute, sublicense, and/or sell copies
      9  * of the Software, and to permit persons to whom the Software is
     10  * furnished to do so, subject to the following conditions:
     11  *
     12  * The above copyright notice and this permission notice shall be
     13  * included in all copies or substantial portions of the Software.
     14  *
     15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
     16  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
     18  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
     19  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
     20  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
     21  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
     22  * SOFTWARE.
     23  *
     24  **********************************************************/
     25 
     26 /**
     27  * @file
     28  * Common definitions for the VMware SVGA winsys.
     29  *
     30  * @author Jose Fonseca <jfonseca (at) vmware.com>
     31  */
     32 
     33 
     34 #ifndef VMW_SCREEN_H_
     35 #define VMW_SCREEN_H_
     36 
     37 
     38 #include "pipe/p_compiler.h"
     39 #include "pipe/p_state.h"
     40 
     41 #include "svga_winsys.h"
     42 
     43 
     44 #define VMW_GMR_POOL_SIZE (16*1024*1024)
     45 #define VMW_QUERY_POOL_SIZE (8192)
     46 /*
     47  * Something big, but arbitrary. The kernel reports an error if it can't
     48  * handle this, and the svga driver will resort to multiple partial
     49  * uploads.
     50  */
     51 #define VMW_MAX_BUFFER_SIZE (512*1024*1024)
     52 
     53 struct pb_manager;
     54 struct vmw_region;
     55 
     56 
     57 struct vmw_winsys_screen
     58 {
     59    struct svga_winsys_screen base;
     60 
     61    boolean use_old_scanout_flag;
     62 
     63    struct {
     64       int drm_fd;
     65       uint32_t hwversion;
     66       uint32_t *buffer;
     67    } ioctl;
     68 
     69    struct {
     70       struct pb_manager *gmr;
     71       struct pb_manager *gmr_mm;
     72       struct pb_manager *gmr_fenced;
     73       struct pb_manager *gmr_slab;
     74       struct pb_manager *gmr_slab_fenced;
     75       struct pb_manager *query;
     76       struct pb_manager *query_mm;
     77       struct pb_manager *query_fenced;
     78    } pools;
     79 };
     80 
     81 
     82 static INLINE struct vmw_winsys_screen *
     83 vmw_winsys_screen(struct svga_winsys_screen *base)
     84 {
     85    return (struct vmw_winsys_screen *)base;
     86 }
     87 
     88 /*  */
     89 uint32
     90 vmw_ioctl_context_create(struct vmw_winsys_screen *vws);
     91 
     92 void
     93 vmw_ioctl_context_destroy(struct vmw_winsys_screen *vws,
     94                           uint32 cid);
     95 
     96 uint32
     97 vmw_ioctl_surface_create(struct vmw_winsys_screen *vws,
     98                               SVGA3dSurfaceFlags flags,
     99                               SVGA3dSurfaceFormat format,
    100                               SVGA3dSize size,
    101                               uint32 numFaces,
    102                               uint32 numMipLevels);
    103 
    104 void
    105 vmw_ioctl_surface_destroy(struct vmw_winsys_screen *vws,
    106                           uint32 sid);
    107 
    108 void
    109 vmw_ioctl_command(struct vmw_winsys_screen *vws,
    110 		  int32_t cid,
    111 		  uint32_t throttle_us,
    112 		  void *commands,
    113 		  uint32_t size,
    114 		  struct pipe_fence_handle **fence);
    115 
    116 struct vmw_region *
    117 vmw_ioctl_region_create(struct vmw_winsys_screen *vws, uint32_t size);
    118 
    119 void
    120 vmw_ioctl_region_destroy(struct vmw_region *region);
    121 
    122 struct SVGAGuestPtr
    123 vmw_ioctl_region_ptr(struct vmw_region *region);
    124 
    125 void *
    126 vmw_ioctl_region_map(struct vmw_region *region);
    127 void
    128 vmw_ioctl_region_unmap(struct vmw_region *region);
    129 
    130 
    131 int
    132 vmw_ioctl_fence_finish(struct vmw_winsys_screen *vws,
    133                        uint32_t handle, uint32_t flags);
    134 
    135 int
    136 vmw_ioctl_fence_signalled(struct vmw_winsys_screen *vws,
    137                           uint32_t handle, uint32_t flags);
    138 
    139 void
    140 vmw_ioctl_fence_unref(struct vmw_winsys_screen *vws,
    141 		      uint32_t handle);
    142 
    143 
    144 /* Initialize parts of vmw_winsys_screen at startup:
    145  */
    146 boolean vmw_ioctl_init(struct vmw_winsys_screen *vws);
    147 boolean vmw_pools_init(struct vmw_winsys_screen *vws);
    148 boolean vmw_query_pools_init(struct vmw_winsys_screen *vws);
    149 boolean vmw_winsys_screen_init_svga(struct vmw_winsys_screen *vws);
    150 
    151 void vmw_ioctl_cleanup(struct vmw_winsys_screen *vws);
    152 void vmw_pools_cleanup(struct vmw_winsys_screen *vws);
    153 
    154 struct vmw_winsys_screen *vmw_winsys_create(int fd, boolean use_old_scanout_flag);
    155 void vmw_winsys_destroy(struct vmw_winsys_screen *sws);
    156 void vmw_winsys_screen_set_throttling(struct pipe_screen *screen,
    157 				      uint32_t throttle_us);
    158 
    159 #endif /* VMW_SCREEN_H_ */
    160