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      1 /**********************************************************
      2  * Copyright 2009-2015 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 #include "pipebuffer/pb_buffer_fenced.h"
     43 
     44 
     45 #define VMW_GMR_POOL_SIZE (16*1024*1024)
     46 #define VMW_QUERY_POOL_SIZE (8192)
     47 #define VMW_DEBUG_FLUSH_STACK 10
     48 
     49 /*
     50  * Something big, but arbitrary. The kernel reports an error if it can't
     51  * handle this, and the svga driver will resort to multiple partial
     52  * uploads.
     53  */
     54 #define VMW_MAX_BUFFER_SIZE (512*1024*1024)
     55 
     56 struct pb_manager;
     57 struct vmw_region;
     58 
     59 struct vmw_cap_3d {
     60    boolean has_cap;
     61    SVGA3dDevCapResult result;
     62 };
     63 
     64 struct vmw_winsys_screen
     65 {
     66    struct svga_winsys_screen base;
     67 
     68    struct {
     69       int drm_fd;
     70       uint32_t hwversion;
     71       uint32_t num_cap_3d;
     72       struct vmw_cap_3d *cap_3d;
     73       uint64_t max_mob_memory;
     74       uint64_t max_surface_memory;
     75       uint64_t max_texture_size;
     76       boolean have_drm_2_6;
     77       boolean have_drm_2_9;
     78       uint32_t drm_execbuf_version;
     79    } ioctl;
     80 
     81    struct {
     82       struct pb_manager *gmr;
     83       struct pb_manager *gmr_mm;
     84       struct pb_manager *gmr_fenced;
     85       struct pb_manager *gmr_slab;
     86       struct pb_manager *gmr_slab_fenced;
     87       struct pb_manager *query_mm;
     88       struct pb_manager *query_fenced;
     89       struct pb_manager *mob_fenced;
     90       struct pb_manager *mob_cache;
     91       struct pb_manager *mob_shader_slab;
     92       struct pb_manager *mob_shader_slab_fenced;
     93    } pools;
     94 
     95    struct pb_fence_ops *fence_ops;
     96 
     97    /*
     98     * Screen instances
     99     */
    100    dev_t device;
    101    int open_count;
    102 };
    103 
    104 
    105 static inline struct vmw_winsys_screen *
    106 vmw_winsys_screen(struct svga_winsys_screen *base)
    107 {
    108    return (struct vmw_winsys_screen *)base;
    109 }
    110 
    111 /*  */
    112 uint32_t
    113 vmw_region_size(struct vmw_region *region);
    114 
    115 uint32
    116 vmw_ioctl_context_create(struct vmw_winsys_screen *vws);
    117 
    118 uint32
    119 vmw_ioctl_extended_context_create(struct vmw_winsys_screen *vws,
    120                                   boolean vgpu10);
    121 
    122 void
    123 vmw_ioctl_context_destroy(struct vmw_winsys_screen *vws,
    124                           uint32 cid);
    125 
    126 uint32
    127 vmw_ioctl_surface_create(struct vmw_winsys_screen *vws,
    128                          SVGA3dSurfaceFlags flags,
    129                          SVGA3dSurfaceFormat format,
    130                          unsigned usage,
    131                          SVGA3dSize size,
    132                          uint32 numFaces,
    133                          uint32 numMipLevels,
    134                          unsigned sampleCount);
    135 uint32
    136 vmw_ioctl_gb_surface_create(struct vmw_winsys_screen *vws,
    137 			    SVGA3dSurfaceFlags flags,
    138 			    SVGA3dSurfaceFormat format,
    139                             unsigned usage,
    140 			    SVGA3dSize size,
    141 			    uint32 numFaces,
    142 			    uint32 numMipLevels,
    143                             unsigned sampleCount,
    144                             uint32 buffer_handle,
    145 			    struct vmw_region **p_region);
    146 
    147 int
    148 vmw_ioctl_gb_surface_ref(struct vmw_winsys_screen *vws,
    149                          const struct winsys_handle *whandle,
    150                          SVGA3dSurfaceFlags *flags,
    151                          SVGA3dSurfaceFormat *format,
    152                          uint32_t *numMipLevels,
    153                          uint32_t *handle,
    154                          struct vmw_region **p_region);
    155 
    156 void
    157 vmw_ioctl_surface_destroy(struct vmw_winsys_screen *vws,
    158                           uint32 sid);
    159 
    160 void
    161 vmw_ioctl_command(struct vmw_winsys_screen *vws,
    162 		  int32_t cid,
    163 		  uint32_t throttle_us,
    164 		  void *commands,
    165 		  uint32_t size,
    166 		  struct pipe_fence_handle **fence);
    167 
    168 struct vmw_region *
    169 vmw_ioctl_region_create(struct vmw_winsys_screen *vws, uint32_t size);
    170 
    171 void
    172 vmw_ioctl_region_destroy(struct vmw_region *region);
    173 
    174 struct SVGAGuestPtr
    175 vmw_ioctl_region_ptr(struct vmw_region *region);
    176 
    177 void *
    178 vmw_ioctl_region_map(struct vmw_region *region);
    179 void
    180 vmw_ioctl_region_unmap(struct vmw_region *region);
    181 
    182 
    183 int
    184 vmw_ioctl_fence_finish(struct vmw_winsys_screen *vws,
    185                        uint32_t handle, uint32_t flags);
    186 
    187 int
    188 vmw_ioctl_fence_signalled(struct vmw_winsys_screen *vws,
    189                           uint32_t handle, uint32_t flags);
    190 
    191 void
    192 vmw_ioctl_fence_unref(struct vmw_winsys_screen *vws,
    193 		      uint32_t handle);
    194 
    195 uint32
    196 vmw_ioctl_shader_create(struct vmw_winsys_screen *vws,
    197 			SVGA3dShaderType type,
    198 			uint32 code_len);
    199 void
    200 vmw_ioctl_shader_destroy(struct vmw_winsys_screen *vws, uint32 shid);
    201 
    202 int
    203 vmw_ioctl_syncforcpu(struct vmw_region *region,
    204                      boolean dont_block,
    205                      boolean readonly,
    206                      boolean allow_cs);
    207 void
    208 vmw_ioctl_releasefromcpu(struct vmw_region *region,
    209                          boolean readonly,
    210                          boolean allow_cs);
    211 /* Initialize parts of vmw_winsys_screen at startup:
    212  */
    213 boolean vmw_ioctl_init(struct vmw_winsys_screen *vws);
    214 boolean vmw_pools_init(struct vmw_winsys_screen *vws);
    215 boolean vmw_query_pools_init(struct vmw_winsys_screen *vws);
    216 boolean vmw_mob_pools_init(struct vmw_winsys_screen *vws);
    217 boolean vmw_winsys_screen_init_svga(struct vmw_winsys_screen *vws);
    218 
    219 void vmw_ioctl_cleanup(struct vmw_winsys_screen *vws);
    220 void vmw_pools_cleanup(struct vmw_winsys_screen *vws);
    221 
    222 struct vmw_winsys_screen *vmw_winsys_create(int fd);
    223 void vmw_winsys_destroy(struct vmw_winsys_screen *sws);
    224 void vmw_winsys_screen_set_throttling(struct pipe_screen *screen,
    225 				      uint32_t throttle_us);
    226 
    227 struct pb_manager *
    228 simple_fenced_bufmgr_create(struct pb_manager *provider,
    229 			    struct pb_fence_ops *ops);
    230 void
    231 vmw_fences_signal(struct pb_fence_ops *fence_ops,
    232                   uint32_t signaled,
    233                   uint32_t emitted,
    234                   boolean has_emitted);
    235 
    236 struct svga_winsys_gb_shader *
    237 vmw_svga_winsys_shader_create(struct svga_winsys_screen *sws,
    238 			      SVGA3dShaderType type,
    239 			      const uint32 *bytecode,
    240 			      uint32 bytecodeLen);
    241 void
    242 vmw_svga_winsys_shader_destroy(struct svga_winsys_screen *sws,
    243 			       struct svga_winsys_gb_shader *shader);
    244 
    245 #endif /* VMW_SCREEN_H_ */
    246