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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 #include <os/os_thread.h>
     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    cnd_t cs_cond;
    104    mtx_t cs_mutex;
    105 };
    106 
    107 
    108 static inline struct vmw_winsys_screen *
    109 vmw_winsys_screen(struct svga_winsys_screen *base)
    110 {
    111    return (struct vmw_winsys_screen *)base;
    112 }
    113 
    114 /*  */
    115 uint32_t
    116 vmw_region_size(struct vmw_region *region);
    117 
    118 uint32
    119 vmw_ioctl_context_create(struct vmw_winsys_screen *vws);
    120 
    121 uint32
    122 vmw_ioctl_extended_context_create(struct vmw_winsys_screen *vws,
    123                                   boolean vgpu10);
    124 
    125 void
    126 vmw_ioctl_context_destroy(struct vmw_winsys_screen *vws,
    127                           uint32 cid);
    128 
    129 uint32
    130 vmw_ioctl_surface_create(struct vmw_winsys_screen *vws,
    131                          SVGA3dSurfaceFlags flags,
    132                          SVGA3dSurfaceFormat format,
    133                          unsigned usage,
    134                          SVGA3dSize size,
    135                          uint32 numFaces,
    136                          uint32 numMipLevels,
    137                          unsigned sampleCount);
    138 uint32
    139 vmw_ioctl_gb_surface_create(struct vmw_winsys_screen *vws,
    140 			    SVGA3dSurfaceFlags flags,
    141 			    SVGA3dSurfaceFormat format,
    142                             unsigned usage,
    143 			    SVGA3dSize size,
    144 			    uint32 numFaces,
    145 			    uint32 numMipLevels,
    146                             unsigned sampleCount,
    147                             uint32 buffer_handle,
    148 			    struct vmw_region **p_region);
    149 
    150 int
    151 vmw_ioctl_gb_surface_ref(struct vmw_winsys_screen *vws,
    152                          const struct winsys_handle *whandle,
    153                          SVGA3dSurfaceFlags *flags,
    154                          SVGA3dSurfaceFormat *format,
    155                          uint32_t *numMipLevels,
    156                          uint32_t *handle,
    157                          struct vmw_region **p_region);
    158 
    159 void
    160 vmw_ioctl_surface_destroy(struct vmw_winsys_screen *vws,
    161                           uint32 sid);
    162 
    163 void
    164 vmw_ioctl_command(struct vmw_winsys_screen *vws,
    165                   int32_t cid,
    166                   uint32_t throttle_us,
    167                   void *commands,
    168                   uint32_t size,
    169                   struct pipe_fence_handle **fence,
    170                   int32_t imported_fence_fd,
    171                   uint32_t flags);
    172 
    173 struct vmw_region *
    174 vmw_ioctl_region_create(struct vmw_winsys_screen *vws, uint32_t size);
    175 
    176 void
    177 vmw_ioctl_region_destroy(struct vmw_region *region);
    178 
    179 struct SVGAGuestPtr
    180 vmw_ioctl_region_ptr(struct vmw_region *region);
    181 
    182 void *
    183 vmw_ioctl_region_map(struct vmw_region *region);
    184 void
    185 vmw_ioctl_region_unmap(struct vmw_region *region);
    186 
    187 
    188 int
    189 vmw_ioctl_fence_finish(struct vmw_winsys_screen *vws,
    190                        uint32_t handle, uint32_t flags);
    191 
    192 int
    193 vmw_ioctl_fence_signalled(struct vmw_winsys_screen *vws,
    194                           uint32_t handle, uint32_t flags);
    195 
    196 void
    197 vmw_ioctl_fence_unref(struct vmw_winsys_screen *vws,
    198 		      uint32_t handle);
    199 
    200 uint32
    201 vmw_ioctl_shader_create(struct vmw_winsys_screen *vws,
    202 			SVGA3dShaderType type,
    203 			uint32 code_len);
    204 void
    205 vmw_ioctl_shader_destroy(struct vmw_winsys_screen *vws, uint32 shid);
    206 
    207 int
    208 vmw_ioctl_syncforcpu(struct vmw_region *region,
    209                      boolean dont_block,
    210                      boolean readonly,
    211                      boolean allow_cs);
    212 void
    213 vmw_ioctl_releasefromcpu(struct vmw_region *region,
    214                          boolean readonly,
    215                          boolean allow_cs);
    216 /* Initialize parts of vmw_winsys_screen at startup:
    217  */
    218 boolean vmw_ioctl_init(struct vmw_winsys_screen *vws);
    219 boolean vmw_pools_init(struct vmw_winsys_screen *vws);
    220 boolean vmw_query_pools_init(struct vmw_winsys_screen *vws);
    221 boolean vmw_mob_pools_init(struct vmw_winsys_screen *vws);
    222 boolean vmw_winsys_screen_init_svga(struct vmw_winsys_screen *vws);
    223 
    224 void vmw_ioctl_cleanup(struct vmw_winsys_screen *vws);
    225 void vmw_pools_cleanup(struct vmw_winsys_screen *vws);
    226 
    227 struct vmw_winsys_screen *vmw_winsys_create(int fd);
    228 void vmw_winsys_destroy(struct vmw_winsys_screen *sws);
    229 void vmw_winsys_screen_set_throttling(struct pipe_screen *screen,
    230 				      uint32_t throttle_us);
    231 
    232 struct pb_manager *
    233 simple_fenced_bufmgr_create(struct pb_manager *provider,
    234 			    struct pb_fence_ops *ops);
    235 void
    236 vmw_fences_signal(struct pb_fence_ops *fence_ops,
    237                   uint32_t signaled,
    238                   uint32_t emitted,
    239                   boolean has_emitted);
    240 
    241 struct svga_winsys_gb_shader *
    242 vmw_svga_winsys_shader_create(struct svga_winsys_screen *sws,
    243 			      SVGA3dShaderType type,
    244 			      const uint32 *bytecode,
    245 			      uint32 bytecodeLen);
    246 void
    247 vmw_svga_winsys_shader_destroy(struct svga_winsys_screen *sws,
    248 			       struct svga_winsys_gb_shader *shader);
    249 
    250 #endif /* VMW_SCREEN_H_ */
    251