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       boolean have_drm_2_19;
85    } ioctl;
86 
87    struct {
88       struct pb_manager *gmr;
89       struct pb_manager *gmr_mm;
90       struct pb_manager *gmr_fenced;
91       struct pb_manager *gmr_slab;
92       struct pb_manager *gmr_slab_fenced;
93       struct pb_manager *query_mm;
94       struct pb_manager *query_fenced;
95       struct pb_manager *mob_fenced;
96       struct pb_manager *mob_cache;
97       struct pb_manager *mob_shader_slab;
98       struct pb_manager *mob_shader_slab_fenced;
99    } pools;
100 
101    struct pb_fence_ops *fence_ops;
102 
103 #ifdef VMX86_STATS
104    /*
105     * mksGuestStats TLS array; length must be power of two
106     */
107    struct {
108       void *     stat_pages;
109       uint64_t   stat_id;
110       uint32_t   pid;
111    } mksstat_tls[64];
112 
113 #endif
114    /*
115     * Screen instances
116     */
117    dev_t device;
118    int open_count;
119 
120    cnd_t cs_cond;
121    mtx_t cs_mutex;
122 
123    boolean force_coherent;
124    boolean cache_maps;
125 };
126 
127 
128 static inline struct vmw_winsys_screen *
vmw_winsys_screen(struct svga_winsys_screen * base)129 vmw_winsys_screen(struct svga_winsys_screen *base)
130 {
131    return (struct vmw_winsys_screen *)base;
132 }
133 
134 /*  */
135 uint32_t
136 vmw_region_size(struct vmw_region *region);
137 
138 uint32
139 vmw_ioctl_context_create(struct vmw_winsys_screen *vws);
140 
141 uint32
142 vmw_ioctl_extended_context_create(struct vmw_winsys_screen *vws,
143                                   boolean vgpu10);
144 
145 void
146 vmw_ioctl_context_destroy(struct vmw_winsys_screen *vws,
147                           uint32 cid);
148 
149 uint32
150 vmw_ioctl_surface_create(struct vmw_winsys_screen *vws,
151                          SVGA3dSurface1Flags flags,
152                          SVGA3dSurfaceFormat format,
153                          unsigned usage,
154                          SVGA3dSize size,
155                          uint32 numFaces,
156                          uint32 numMipLevels,
157                          unsigned sampleCount);
158 uint32
159 vmw_ioctl_gb_surface_create(struct vmw_winsys_screen *vws,
160                             SVGA3dSurfaceAllFlags flags,
161                             SVGA3dSurfaceFormat format,
162                             unsigned usage,
163                             SVGA3dSize size,
164                             uint32 numFaces,
165                             uint32 numMipLevels,
166                             unsigned sampleCount,
167                             uint32 buffer_handle,
168                             SVGA3dMSPattern multisamplePattern,
169                             SVGA3dMSQualityLevel qualityLevel,
170                             struct vmw_region **p_region);
171 
172 int
173 vmw_ioctl_gb_surface_ref(struct vmw_winsys_screen *vws,
174                          const struct winsys_handle *whandle,
175                          SVGA3dSurfaceAllFlags *flags,
176                          SVGA3dSurfaceFormat *format,
177                          uint32_t *numMipLevels,
178                          uint32_t *handle,
179                          struct vmw_region **p_region);
180 
181 void
182 vmw_ioctl_surface_destroy(struct vmw_winsys_screen *vws,
183                           uint32 sid);
184 
185 void
186 vmw_ioctl_command(struct vmw_winsys_screen *vws,
187                   int32_t cid,
188                   uint32_t throttle_us,
189                   void *commands,
190                   uint32_t size,
191                   struct pipe_fence_handle **fence,
192                   int32_t imported_fence_fd,
193                   uint32_t flags);
194 
195 struct vmw_region *
196 vmw_ioctl_region_create(struct vmw_winsys_screen *vws, uint32_t size);
197 
198 void
199 vmw_ioctl_region_destroy(struct vmw_region *region);
200 
201 struct SVGAGuestPtr
202 vmw_ioctl_region_ptr(struct vmw_region *region);
203 
204 void *
205 vmw_ioctl_region_map(struct vmw_region *region);
206 void
207 vmw_ioctl_region_unmap(struct vmw_region *region);
208 
209 
210 int
211 vmw_ioctl_fence_finish(struct vmw_winsys_screen *vws,
212                        uint32_t handle, uint32_t flags);
213 
214 int
215 vmw_ioctl_fence_signalled(struct vmw_winsys_screen *vws,
216                           uint32_t handle, uint32_t flags);
217 
218 void
219 vmw_ioctl_fence_unref(struct vmw_winsys_screen *vws,
220 		      uint32_t handle);
221 
222 uint32
223 vmw_ioctl_shader_create(struct vmw_winsys_screen *vws,
224 			SVGA3dShaderType type,
225 			uint32 code_len);
226 void
227 vmw_ioctl_shader_destroy(struct vmw_winsys_screen *vws, uint32 shid);
228 
229 int
230 vmw_ioctl_syncforcpu(struct vmw_region *region,
231                      boolean dont_block,
232                      boolean readonly,
233                      boolean allow_cs);
234 void
235 vmw_ioctl_releasefromcpu(struct vmw_region *region,
236                          boolean readonly,
237                          boolean allow_cs);
238 /* Initialize parts of vmw_winsys_screen at startup:
239  */
240 boolean vmw_ioctl_init(struct vmw_winsys_screen *vws);
241 boolean vmw_pools_init(struct vmw_winsys_screen *vws);
242 boolean vmw_query_pools_init(struct vmw_winsys_screen *vws);
243 boolean vmw_mob_pools_init(struct vmw_winsys_screen *vws);
244 boolean vmw_winsys_screen_init_svga(struct vmw_winsys_screen *vws);
245 
246 void vmw_ioctl_cleanup(struct vmw_winsys_screen *vws);
247 void vmw_pools_cleanup(struct vmw_winsys_screen *vws);
248 
249 struct vmw_winsys_screen *vmw_winsys_create(int fd);
250 void vmw_winsys_destroy(struct vmw_winsys_screen *sws);
251 void vmw_winsys_screen_set_throttling(struct pipe_screen *screen,
252 				      uint32_t throttle_us);
253 
254 struct pb_manager *
255 simple_fenced_bufmgr_create(struct pb_manager *provider,
256 			    struct pb_fence_ops *ops);
257 void
258 vmw_fences_signal(struct pb_fence_ops *fence_ops,
259                   uint32_t signaled,
260                   uint32_t emitted,
261                   boolean has_emitted);
262 
263 struct svga_winsys_gb_shader *
264 vmw_svga_winsys_shader_create(struct svga_winsys_screen *sws,
265 			      SVGA3dShaderType type,
266 			      const uint32 *bytecode,
267 			      uint32 bytecodeLen);
268 void
269 vmw_svga_winsys_shader_destroy(struct svga_winsys_screen *sws,
270 			       struct svga_winsys_gb_shader *shader);
271 
272 size_t
273 vmw_svga_winsys_stats_len(void);
274 
275 #endif /* VMW_SCREEN_H_ */
276