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@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 #include <sys/types.h>
45 
46 #define VMW_GMR_POOL_SIZE (16*1024*1024)
47 #define VMW_QUERY_POOL_SIZE (8192)
48 #define VMW_DEBUG_FLUSH_STACK 10
49 
50 /*
51  * Something big, but arbitrary. The kernel reports an error if it can't
52  * handle this, and the svga driver will resort to multiple partial
53  * uploads.
54  */
55 #define VMW_MAX_BUFFER_SIZE (512*1024*1024)
56 
57 struct pb_manager;
58 struct vmw_region;
59 
60 struct vmw_cap_3d {
61    boolean has_cap;
62    SVGA3dDevCapResult result;
63 };
64 
65 struct vmw_winsys_screen
66 {
67    struct svga_winsys_screen base;
68 
69    struct {
70       int drm_fd;
71       uint32_t hwversion;
72       uint32_t num_cap_3d;
73       struct vmw_cap_3d *cap_3d;
74       uint64_t max_mob_memory;
75       uint64_t max_surface_memory;
76       uint64_t max_texture_size;
77       boolean have_drm_2_6;
78       boolean have_drm_2_9;
79       uint32_t drm_execbuf_version;
80       boolean have_drm_2_15;
81       boolean have_drm_2_16;
82       boolean have_drm_2_17;
83       boolean have_drm_2_18;
84    } ioctl;
85 
86    struct {
87       struct pb_manager *gmr;
88       struct pb_manager *gmr_mm;
89       struct pb_manager *gmr_fenced;
90       struct pb_manager *gmr_slab;
91       struct pb_manager *gmr_slab_fenced;
92       struct pb_manager *query_mm;
93       struct pb_manager *query_fenced;
94       struct pb_manager *mob_fenced;
95       struct pb_manager *mob_cache;
96       struct pb_manager *mob_shader_slab;
97       struct pb_manager *mob_shader_slab_fenced;
98    } pools;
99 
100    struct pb_fence_ops *fence_ops;
101 
102    /*
103     * Screen instances
104     */
105    dev_t device;
106    int open_count;
107 
108    cnd_t cs_cond;
109    mtx_t cs_mutex;
110 
111    boolean force_coherent;
112    boolean cache_maps;
113 };
114 
115 
116 static inline struct vmw_winsys_screen *
vmw_winsys_screen(struct svga_winsys_screen * base)117 vmw_winsys_screen(struct svga_winsys_screen *base)
118 {
119    return (struct vmw_winsys_screen *)base;
120 }
121 
122 /*  */
123 uint32_t
124 vmw_region_size(struct vmw_region *region);
125 
126 uint32
127 vmw_ioctl_context_create(struct vmw_winsys_screen *vws);
128 
129 uint32
130 vmw_ioctl_extended_context_create(struct vmw_winsys_screen *vws,
131                                   boolean vgpu10);
132 
133 void
134 vmw_ioctl_context_destroy(struct vmw_winsys_screen *vws,
135                           uint32 cid);
136 
137 uint32
138 vmw_ioctl_surface_create(struct vmw_winsys_screen *vws,
139                          SVGA3dSurface1Flags flags,
140                          SVGA3dSurfaceFormat format,
141                          unsigned usage,
142                          SVGA3dSize size,
143                          uint32 numFaces,
144                          uint32 numMipLevels,
145                          unsigned sampleCount);
146 uint32
147 vmw_ioctl_gb_surface_create(struct vmw_winsys_screen *vws,
148                             SVGA3dSurfaceAllFlags flags,
149                             SVGA3dSurfaceFormat format,
150                             unsigned usage,
151                             SVGA3dSize size,
152                             uint32 numFaces,
153                             uint32 numMipLevels,
154                             unsigned sampleCount,
155                             uint32 buffer_handle,
156                             SVGA3dMSPattern multisamplePattern,
157                             SVGA3dMSQualityLevel qualityLevel,
158                             struct vmw_region **p_region);
159 
160 int
161 vmw_ioctl_gb_surface_ref(struct vmw_winsys_screen *vws,
162                          const struct winsys_handle *whandle,
163                          SVGA3dSurfaceAllFlags *flags,
164                          SVGA3dSurfaceFormat *format,
165                          uint32_t *numMipLevels,
166                          uint32_t *handle,
167                          struct vmw_region **p_region);
168 
169 void
170 vmw_ioctl_surface_destroy(struct vmw_winsys_screen *vws,
171                           uint32 sid);
172 
173 void
174 vmw_ioctl_command(struct vmw_winsys_screen *vws,
175                   int32_t cid,
176                   uint32_t throttle_us,
177                   void *commands,
178                   uint32_t size,
179                   struct pipe_fence_handle **fence,
180                   int32_t imported_fence_fd,
181                   uint32_t flags);
182 
183 struct vmw_region *
184 vmw_ioctl_region_create(struct vmw_winsys_screen *vws, uint32_t size);
185 
186 void
187 vmw_ioctl_region_destroy(struct vmw_region *region);
188 
189 struct SVGAGuestPtr
190 vmw_ioctl_region_ptr(struct vmw_region *region);
191 
192 void *
193 vmw_ioctl_region_map(struct vmw_region *region);
194 void
195 vmw_ioctl_region_unmap(struct vmw_region *region);
196 
197 
198 int
199 vmw_ioctl_fence_finish(struct vmw_winsys_screen *vws,
200                        uint32_t handle, uint32_t flags);
201 
202 int
203 vmw_ioctl_fence_signalled(struct vmw_winsys_screen *vws,
204                           uint32_t handle, uint32_t flags);
205 
206 void
207 vmw_ioctl_fence_unref(struct vmw_winsys_screen *vws,
208 		      uint32_t handle);
209 
210 uint32
211 vmw_ioctl_shader_create(struct vmw_winsys_screen *vws,
212 			SVGA3dShaderType type,
213 			uint32 code_len);
214 void
215 vmw_ioctl_shader_destroy(struct vmw_winsys_screen *vws, uint32 shid);
216 
217 int
218 vmw_ioctl_syncforcpu(struct vmw_region *region,
219                      boolean dont_block,
220                      boolean readonly,
221                      boolean allow_cs);
222 void
223 vmw_ioctl_releasefromcpu(struct vmw_region *region,
224                          boolean readonly,
225                          boolean allow_cs);
226 /* Initialize parts of vmw_winsys_screen at startup:
227  */
228 boolean vmw_ioctl_init(struct vmw_winsys_screen *vws);
229 boolean vmw_pools_init(struct vmw_winsys_screen *vws);
230 boolean vmw_query_pools_init(struct vmw_winsys_screen *vws);
231 boolean vmw_mob_pools_init(struct vmw_winsys_screen *vws);
232 boolean vmw_winsys_screen_init_svga(struct vmw_winsys_screen *vws);
233 
234 void vmw_ioctl_cleanup(struct vmw_winsys_screen *vws);
235 void vmw_pools_cleanup(struct vmw_winsys_screen *vws);
236 
237 struct vmw_winsys_screen *vmw_winsys_create(int fd);
238 void vmw_winsys_destroy(struct vmw_winsys_screen *sws);
239 void vmw_winsys_screen_set_throttling(struct pipe_screen *screen,
240 				      uint32_t throttle_us);
241 
242 struct pb_manager *
243 simple_fenced_bufmgr_create(struct pb_manager *provider,
244 			    struct pb_fence_ops *ops);
245 void
246 vmw_fences_signal(struct pb_fence_ops *fence_ops,
247                   uint32_t signaled,
248                   uint32_t emitted,
249                   boolean has_emitted);
250 
251 struct svga_winsys_gb_shader *
252 vmw_svga_winsys_shader_create(struct svga_winsys_screen *sws,
253 			      SVGA3dShaderType type,
254 			      const uint32 *bytecode,
255 			      uint32 bytecodeLen);
256 void
257 vmw_svga_winsys_shader_destroy(struct svga_winsys_screen *sws,
258 			       struct svga_winsys_gb_shader *shader);
259 
260 #endif /* VMW_SCREEN_H_ */
261