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543831cf TH |
1 | /************************************************************************** |
2 | * | |
3 | * Copyright © 2009-2012 VMware, Inc., Palo Alto, CA., USA | |
4 | * All Rights Reserved. | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a | |
7 | * copy of this software and associated documentation files (the | |
8 | * "Software"), to deal in the Software without restriction, including | |
9 | * without limitation the rights to use, copy, modify, merge, publish, | |
10 | * distribute, sub license, and/or sell copies of the Software, and to | |
11 | * permit persons to whom the Software is furnished to do so, subject to | |
12 | * the following conditions: | |
13 | * | |
14 | * The above copyright notice and this permission notice (including the | |
15 | * next paragraph) shall be included in all copies or substantial portions | |
16 | * of the Software. | |
17 | * | |
18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
20 | * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL | |
21 | * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, | |
22 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR | |
23 | * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE | |
24 | * USE OR OTHER DEALINGS IN THE SOFTWARE. | |
25 | * | |
26 | **************************************************************************/ | |
27 | ||
28 | #include "vmwgfx_drv.h" | |
29 | #include "vmwgfx_resource_priv.h" | |
30 | #include "ttm/ttm_placement.h" | |
31 | ||
32 | struct vmw_user_context { | |
33 | struct ttm_base_object base; | |
34 | struct vmw_resource res; | |
173fb7d4 | 35 | struct vmw_ctx_binding_state cbs; |
18e4a466 | 36 | struct vmw_cmdbuf_res_manager *man; |
543831cf TH |
37 | }; |
38 | ||
b5c3b1a6 TH |
39 | |
40 | ||
30f82d81 | 41 | typedef int (*vmw_scrub_func)(struct vmw_ctx_bindinfo *, bool); |
b5c3b1a6 | 42 | |
543831cf TH |
43 | static void vmw_user_context_free(struct vmw_resource *res); |
44 | static struct vmw_resource * | |
45 | vmw_user_context_base_to_res(struct ttm_base_object *base); | |
46 | ||
58a0c5f0 TH |
47 | static int vmw_gb_context_create(struct vmw_resource *res); |
48 | static int vmw_gb_context_bind(struct vmw_resource *res, | |
49 | struct ttm_validate_buffer *val_buf); | |
50 | static int vmw_gb_context_unbind(struct vmw_resource *res, | |
51 | bool readback, | |
52 | struct ttm_validate_buffer *val_buf); | |
53 | static int vmw_gb_context_destroy(struct vmw_resource *res); | |
30f82d81 TH |
54 | static int vmw_context_scrub_shader(struct vmw_ctx_bindinfo *bi, bool rebind); |
55 | static int vmw_context_scrub_render_target(struct vmw_ctx_bindinfo *bi, | |
56 | bool rebind); | |
57 | static int vmw_context_scrub_texture(struct vmw_ctx_bindinfo *bi, bool rebind); | |
58 | static void vmw_context_binding_state_scrub(struct vmw_ctx_binding_state *cbs); | |
173fb7d4 | 59 | static void vmw_context_binding_state_kill(struct vmw_ctx_binding_state *cbs); |
543831cf TH |
60 | static uint64_t vmw_user_context_size; |
61 | ||
62 | static const struct vmw_user_resource_conv user_context_conv = { | |
63 | .object_type = VMW_RES_CONTEXT, | |
64 | .base_obj_to_res = vmw_user_context_base_to_res, | |
65 | .res_free = vmw_user_context_free | |
66 | }; | |
67 | ||
68 | const struct vmw_user_resource_conv *user_context_converter = | |
69 | &user_context_conv; | |
70 | ||
71 | ||
72 | static const struct vmw_res_func vmw_legacy_context_func = { | |
73 | .res_type = vmw_res_context, | |
74 | .needs_backup = false, | |
75 | .may_evict = false, | |
76 | .type_name = "legacy contexts", | |
77 | .backup_placement = NULL, | |
78 | .create = NULL, | |
79 | .destroy = NULL, | |
80 | .bind = NULL, | |
81 | .unbind = NULL | |
82 | }; | |
83 | ||
58a0c5f0 TH |
84 | static const struct vmw_res_func vmw_gb_context_func = { |
85 | .res_type = vmw_res_context, | |
86 | .needs_backup = true, | |
87 | .may_evict = true, | |
88 | .type_name = "guest backed contexts", | |
89 | .backup_placement = &vmw_mob_placement, | |
90 | .create = vmw_gb_context_create, | |
91 | .destroy = vmw_gb_context_destroy, | |
92 | .bind = vmw_gb_context_bind, | |
93 | .unbind = vmw_gb_context_unbind | |
94 | }; | |
95 | ||
b5c3b1a6 TH |
96 | static const vmw_scrub_func vmw_scrub_funcs[vmw_ctx_binding_max] = { |
97 | [vmw_ctx_binding_shader] = vmw_context_scrub_shader, | |
98 | [vmw_ctx_binding_rt] = vmw_context_scrub_render_target, | |
99 | [vmw_ctx_binding_tex] = vmw_context_scrub_texture }; | |
100 | ||
543831cf TH |
101 | /** |
102 | * Context management: | |
103 | */ | |
104 | ||
105 | static void vmw_hw_context_destroy(struct vmw_resource *res) | |
106 | { | |
18e4a466 TH |
107 | struct vmw_user_context *uctx = |
108 | container_of(res, struct vmw_user_context, res); | |
543831cf TH |
109 | struct vmw_private *dev_priv = res->dev_priv; |
110 | struct { | |
111 | SVGA3dCmdHeader header; | |
112 | SVGA3dCmdDestroyContext body; | |
113 | } *cmd; | |
114 | ||
115 | ||
58a0c5f0 TH |
116 | if (res->func->destroy == vmw_gb_context_destroy) { |
117 | mutex_lock(&dev_priv->cmdbuf_mutex); | |
18e4a466 | 118 | vmw_cmdbuf_res_man_destroy(uctx->man); |
30f82d81 | 119 | mutex_lock(&dev_priv->binding_mutex); |
18e4a466 | 120 | (void) vmw_context_binding_state_kill(&uctx->cbs); |
58a0c5f0 | 121 | (void) vmw_gb_context_destroy(res); |
c8e5e010 | 122 | mutex_unlock(&dev_priv->binding_mutex); |
58a0c5f0 TH |
123 | if (dev_priv->pinned_bo != NULL && |
124 | !dev_priv->query_cid_valid) | |
125 | __vmw_execbuf_release_pinned_bo(dev_priv, NULL); | |
126 | mutex_unlock(&dev_priv->cmdbuf_mutex); | |
127 | return; | |
128 | } | |
129 | ||
543831cf TH |
130 | vmw_execbuf_release_pinned_bo(dev_priv); |
131 | cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); | |
132 | if (unlikely(cmd == NULL)) { | |
133 | DRM_ERROR("Failed reserving FIFO space for surface " | |
134 | "destruction.\n"); | |
135 | return; | |
136 | } | |
137 | ||
138 | cmd->header.id = cpu_to_le32(SVGA_3D_CMD_CONTEXT_DESTROY); | |
139 | cmd->header.size = cpu_to_le32(sizeof(cmd->body)); | |
140 | cmd->body.cid = cpu_to_le32(res->id); | |
141 | ||
142 | vmw_fifo_commit(dev_priv, sizeof(*cmd)); | |
143 | vmw_3d_resource_dec(dev_priv, false); | |
144 | } | |
145 | ||
58a0c5f0 TH |
146 | static int vmw_gb_context_init(struct vmw_private *dev_priv, |
147 | struct vmw_resource *res, | |
148 | void (*res_free) (struct vmw_resource *res)) | |
149 | { | |
150 | int ret; | |
173fb7d4 TH |
151 | struct vmw_user_context *uctx = |
152 | container_of(res, struct vmw_user_context, res); | |
58a0c5f0 TH |
153 | |
154 | ret = vmw_resource_init(dev_priv, res, true, | |
155 | res_free, &vmw_gb_context_func); | |
156 | res->backup_size = SVGA3D_CONTEXT_DATA_SIZE; | |
18e4a466 TH |
157 | if (unlikely(ret != 0)) |
158 | goto out_err; | |
58a0c5f0 | 159 | |
18e4a466 TH |
160 | if (dev_priv->has_mob) { |
161 | uctx->man = vmw_cmdbuf_res_man_create(dev_priv); | |
162 | if (unlikely(IS_ERR(uctx->man))) { | |
163 | ret = PTR_ERR(uctx->man); | |
164 | uctx->man = NULL; | |
165 | goto out_err; | |
166 | } | |
58a0c5f0 TH |
167 | } |
168 | ||
173fb7d4 TH |
169 | memset(&uctx->cbs, 0, sizeof(uctx->cbs)); |
170 | INIT_LIST_HEAD(&uctx->cbs.list); | |
171 | ||
58a0c5f0 TH |
172 | vmw_resource_activate(res, vmw_hw_context_destroy); |
173 | return 0; | |
18e4a466 TH |
174 | |
175 | out_err: | |
176 | if (res_free) | |
177 | res_free(res); | |
178 | else | |
179 | kfree(res); | |
180 | return ret; | |
58a0c5f0 TH |
181 | } |
182 | ||
543831cf TH |
183 | static int vmw_context_init(struct vmw_private *dev_priv, |
184 | struct vmw_resource *res, | |
185 | void (*res_free) (struct vmw_resource *res)) | |
186 | { | |
187 | int ret; | |
188 | ||
189 | struct { | |
190 | SVGA3dCmdHeader header; | |
191 | SVGA3dCmdDefineContext body; | |
192 | } *cmd; | |
193 | ||
58a0c5f0 TH |
194 | if (dev_priv->has_mob) |
195 | return vmw_gb_context_init(dev_priv, res, res_free); | |
196 | ||
543831cf TH |
197 | ret = vmw_resource_init(dev_priv, res, false, |
198 | res_free, &vmw_legacy_context_func); | |
199 | ||
200 | if (unlikely(ret != 0)) { | |
201 | DRM_ERROR("Failed to allocate a resource id.\n"); | |
202 | goto out_early; | |
203 | } | |
204 | ||
205 | if (unlikely(res->id >= SVGA3D_MAX_CONTEXT_IDS)) { | |
206 | DRM_ERROR("Out of hw context ids.\n"); | |
207 | vmw_resource_unreference(&res); | |
208 | return -ENOMEM; | |
209 | } | |
210 | ||
211 | cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); | |
212 | if (unlikely(cmd == NULL)) { | |
213 | DRM_ERROR("Fifo reserve failed.\n"); | |
214 | vmw_resource_unreference(&res); | |
215 | return -ENOMEM; | |
216 | } | |
217 | ||
218 | cmd->header.id = cpu_to_le32(SVGA_3D_CMD_CONTEXT_DEFINE); | |
219 | cmd->header.size = cpu_to_le32(sizeof(cmd->body)); | |
220 | cmd->body.cid = cpu_to_le32(res->id); | |
221 | ||
222 | vmw_fifo_commit(dev_priv, sizeof(*cmd)); | |
223 | (void) vmw_3d_resource_inc(dev_priv, false); | |
224 | vmw_resource_activate(res, vmw_hw_context_destroy); | |
225 | return 0; | |
226 | ||
227 | out_early: | |
228 | if (res_free == NULL) | |
229 | kfree(res); | |
230 | else | |
231 | res_free(res); | |
232 | return ret; | |
233 | } | |
234 | ||
235 | struct vmw_resource *vmw_context_alloc(struct vmw_private *dev_priv) | |
236 | { | |
237 | struct vmw_resource *res = kmalloc(sizeof(*res), GFP_KERNEL); | |
238 | int ret; | |
239 | ||
240 | if (unlikely(res == NULL)) | |
241 | return NULL; | |
242 | ||
243 | ret = vmw_context_init(dev_priv, res, NULL); | |
244 | ||
245 | return (ret == 0) ? res : NULL; | |
246 | } | |
247 | ||
58a0c5f0 TH |
248 | |
249 | static int vmw_gb_context_create(struct vmw_resource *res) | |
250 | { | |
251 | struct vmw_private *dev_priv = res->dev_priv; | |
252 | int ret; | |
253 | struct { | |
254 | SVGA3dCmdHeader header; | |
255 | SVGA3dCmdDefineGBContext body; | |
256 | } *cmd; | |
257 | ||
258 | if (likely(res->id != -1)) | |
259 | return 0; | |
260 | ||
261 | ret = vmw_resource_alloc_id(res); | |
262 | if (unlikely(ret != 0)) { | |
263 | DRM_ERROR("Failed to allocate a context id.\n"); | |
264 | goto out_no_id; | |
265 | } | |
266 | ||
267 | if (unlikely(res->id >= VMWGFX_NUM_GB_CONTEXT)) { | |
268 | ret = -EBUSY; | |
269 | goto out_no_fifo; | |
270 | } | |
271 | ||
272 | cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); | |
273 | if (unlikely(cmd == NULL)) { | |
274 | DRM_ERROR("Failed reserving FIFO space for context " | |
275 | "creation.\n"); | |
276 | ret = -ENOMEM; | |
277 | goto out_no_fifo; | |
278 | } | |
279 | ||
280 | cmd->header.id = SVGA_3D_CMD_DEFINE_GB_CONTEXT; | |
281 | cmd->header.size = sizeof(cmd->body); | |
282 | cmd->body.cid = res->id; | |
283 | vmw_fifo_commit(dev_priv, sizeof(*cmd)); | |
284 | (void) vmw_3d_resource_inc(dev_priv, false); | |
285 | ||
286 | return 0; | |
287 | ||
288 | out_no_fifo: | |
289 | vmw_resource_release_id(res); | |
290 | out_no_id: | |
291 | return ret; | |
292 | } | |
293 | ||
294 | static int vmw_gb_context_bind(struct vmw_resource *res, | |
295 | struct ttm_validate_buffer *val_buf) | |
296 | { | |
297 | struct vmw_private *dev_priv = res->dev_priv; | |
298 | struct { | |
299 | SVGA3dCmdHeader header; | |
300 | SVGA3dCmdBindGBContext body; | |
301 | } *cmd; | |
302 | struct ttm_buffer_object *bo = val_buf->bo; | |
303 | ||
304 | BUG_ON(bo->mem.mem_type != VMW_PL_MOB); | |
305 | ||
306 | cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); | |
307 | if (unlikely(cmd == NULL)) { | |
308 | DRM_ERROR("Failed reserving FIFO space for context " | |
309 | "binding.\n"); | |
310 | return -ENOMEM; | |
311 | } | |
312 | ||
313 | cmd->header.id = SVGA_3D_CMD_BIND_GB_CONTEXT; | |
314 | cmd->header.size = sizeof(cmd->body); | |
315 | cmd->body.cid = res->id; | |
316 | cmd->body.mobid = bo->mem.start; | |
317 | cmd->body.validContents = res->backup_dirty; | |
318 | res->backup_dirty = false; | |
319 | vmw_fifo_commit(dev_priv, sizeof(*cmd)); | |
320 | ||
321 | return 0; | |
322 | } | |
323 | ||
324 | static int vmw_gb_context_unbind(struct vmw_resource *res, | |
325 | bool readback, | |
326 | struct ttm_validate_buffer *val_buf) | |
327 | { | |
328 | struct vmw_private *dev_priv = res->dev_priv; | |
329 | struct ttm_buffer_object *bo = val_buf->bo; | |
330 | struct vmw_fence_obj *fence; | |
173fb7d4 TH |
331 | struct vmw_user_context *uctx = |
332 | container_of(res, struct vmw_user_context, res); | |
58a0c5f0 TH |
333 | |
334 | struct { | |
335 | SVGA3dCmdHeader header; | |
336 | SVGA3dCmdReadbackGBContext body; | |
337 | } *cmd1; | |
338 | struct { | |
339 | SVGA3dCmdHeader header; | |
340 | SVGA3dCmdBindGBContext body; | |
341 | } *cmd2; | |
342 | uint32_t submit_size; | |
343 | uint8_t *cmd; | |
344 | ||
345 | ||
346 | BUG_ON(bo->mem.mem_type != VMW_PL_MOB); | |
347 | ||
173fb7d4 | 348 | mutex_lock(&dev_priv->binding_mutex); |
30f82d81 | 349 | vmw_context_binding_state_scrub(&uctx->cbs); |
173fb7d4 | 350 | |
58a0c5f0 TH |
351 | submit_size = sizeof(*cmd2) + (readback ? sizeof(*cmd1) : 0); |
352 | ||
353 | cmd = vmw_fifo_reserve(dev_priv, submit_size); | |
354 | if (unlikely(cmd == NULL)) { | |
355 | DRM_ERROR("Failed reserving FIFO space for context " | |
356 | "unbinding.\n"); | |
173fb7d4 | 357 | mutex_unlock(&dev_priv->binding_mutex); |
58a0c5f0 TH |
358 | return -ENOMEM; |
359 | } | |
360 | ||
361 | cmd2 = (void *) cmd; | |
362 | if (readback) { | |
363 | cmd1 = (void *) cmd; | |
364 | cmd1->header.id = SVGA_3D_CMD_READBACK_GB_CONTEXT; | |
365 | cmd1->header.size = sizeof(cmd1->body); | |
366 | cmd1->body.cid = res->id; | |
367 | cmd2 = (void *) (&cmd1[1]); | |
368 | } | |
369 | cmd2->header.id = SVGA_3D_CMD_BIND_GB_CONTEXT; | |
370 | cmd2->header.size = sizeof(cmd2->body); | |
371 | cmd2->body.cid = res->id; | |
372 | cmd2->body.mobid = SVGA3D_INVALID_ID; | |
373 | ||
374 | vmw_fifo_commit(dev_priv, submit_size); | |
173fb7d4 | 375 | mutex_unlock(&dev_priv->binding_mutex); |
58a0c5f0 TH |
376 | |
377 | /* | |
378 | * Create a fence object and fence the backup buffer. | |
379 | */ | |
380 | ||
381 | (void) vmw_execbuf_fence_commands(NULL, dev_priv, | |
382 | &fence, NULL); | |
383 | ||
384 | vmw_fence_single_bo(bo, fence); | |
385 | ||
386 | if (likely(fence != NULL)) | |
387 | vmw_fence_obj_unreference(&fence); | |
388 | ||
389 | return 0; | |
390 | } | |
391 | ||
392 | static int vmw_gb_context_destroy(struct vmw_resource *res) | |
393 | { | |
394 | struct vmw_private *dev_priv = res->dev_priv; | |
395 | struct { | |
396 | SVGA3dCmdHeader header; | |
397 | SVGA3dCmdDestroyGBContext body; | |
398 | } *cmd; | |
399 | ||
400 | if (likely(res->id == -1)) | |
401 | return 0; | |
402 | ||
403 | cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); | |
404 | if (unlikely(cmd == NULL)) { | |
405 | DRM_ERROR("Failed reserving FIFO space for context " | |
406 | "destruction.\n"); | |
407 | return -ENOMEM; | |
408 | } | |
409 | ||
410 | cmd->header.id = SVGA_3D_CMD_DESTROY_GB_CONTEXT; | |
411 | cmd->header.size = sizeof(cmd->body); | |
412 | cmd->body.cid = res->id; | |
413 | vmw_fifo_commit(dev_priv, sizeof(*cmd)); | |
414 | if (dev_priv->query_cid == res->id) | |
415 | dev_priv->query_cid_valid = false; | |
416 | vmw_resource_release_id(res); | |
417 | vmw_3d_resource_dec(dev_priv, false); | |
418 | ||
419 | return 0; | |
420 | } | |
421 | ||
543831cf TH |
422 | /** |
423 | * User-space context management: | |
424 | */ | |
425 | ||
426 | static struct vmw_resource * | |
427 | vmw_user_context_base_to_res(struct ttm_base_object *base) | |
428 | { | |
429 | return &(container_of(base, struct vmw_user_context, base)->res); | |
430 | } | |
431 | ||
432 | static void vmw_user_context_free(struct vmw_resource *res) | |
433 | { | |
434 | struct vmw_user_context *ctx = | |
435 | container_of(res, struct vmw_user_context, res); | |
436 | struct vmw_private *dev_priv = res->dev_priv; | |
437 | ||
438 | ttm_base_object_kfree(ctx, base); | |
439 | ttm_mem_global_free(vmw_mem_glob(dev_priv), | |
440 | vmw_user_context_size); | |
441 | } | |
442 | ||
443 | /** | |
444 | * This function is called when user space has no more references on the | |
445 | * base object. It releases the base-object's reference on the resource object. | |
446 | */ | |
447 | ||
448 | static void vmw_user_context_base_release(struct ttm_base_object **p_base) | |
449 | { | |
450 | struct ttm_base_object *base = *p_base; | |
451 | struct vmw_user_context *ctx = | |
452 | container_of(base, struct vmw_user_context, base); | |
453 | struct vmw_resource *res = &ctx->res; | |
454 | ||
455 | *p_base = NULL; | |
456 | vmw_resource_unreference(&res); | |
457 | } | |
458 | ||
459 | int vmw_context_destroy_ioctl(struct drm_device *dev, void *data, | |
460 | struct drm_file *file_priv) | |
461 | { | |
462 | struct drm_vmw_context_arg *arg = (struct drm_vmw_context_arg *)data; | |
463 | struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; | |
464 | ||
465 | return ttm_ref_object_base_unref(tfile, arg->cid, TTM_REF_USAGE); | |
466 | } | |
467 | ||
468 | int vmw_context_define_ioctl(struct drm_device *dev, void *data, | |
469 | struct drm_file *file_priv) | |
470 | { | |
471 | struct vmw_private *dev_priv = vmw_priv(dev); | |
472 | struct vmw_user_context *ctx; | |
473 | struct vmw_resource *res; | |
474 | struct vmw_resource *tmp; | |
475 | struct drm_vmw_context_arg *arg = (struct drm_vmw_context_arg *)data; | |
476 | struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; | |
543831cf TH |
477 | int ret; |
478 | ||
479 | ||
480 | /* | |
481 | * Approximate idr memory usage with 128 bytes. It will be limited | |
482 | * by maximum number_of contexts anyway. | |
483 | */ | |
484 | ||
485 | if (unlikely(vmw_user_context_size == 0)) | |
18e4a466 TH |
486 | vmw_user_context_size = ttm_round_pot(sizeof(*ctx)) + 128 + |
487 | ((dev_priv->has_mob) ? vmw_cmdbuf_res_man_size() : 0); | |
543831cf | 488 | |
294adf7d | 489 | ret = ttm_read_lock(&dev_priv->reservation_sem, true); |
543831cf TH |
490 | if (unlikely(ret != 0)) |
491 | return ret; | |
492 | ||
493 | ret = ttm_mem_global_alloc(vmw_mem_glob(dev_priv), | |
494 | vmw_user_context_size, | |
495 | false, true); | |
496 | if (unlikely(ret != 0)) { | |
497 | if (ret != -ERESTARTSYS) | |
498 | DRM_ERROR("Out of graphics memory for context" | |
499 | " creation.\n"); | |
500 | goto out_unlock; | |
501 | } | |
502 | ||
503 | ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); | |
504 | if (unlikely(ctx == NULL)) { | |
505 | ttm_mem_global_free(vmw_mem_glob(dev_priv), | |
506 | vmw_user_context_size); | |
507 | ret = -ENOMEM; | |
508 | goto out_unlock; | |
509 | } | |
510 | ||
511 | res = &ctx->res; | |
512 | ctx->base.shareable = false; | |
513 | ctx->base.tfile = NULL; | |
514 | ||
515 | /* | |
516 | * From here on, the destructor takes over resource freeing. | |
517 | */ | |
518 | ||
519 | ret = vmw_context_init(dev_priv, res, vmw_user_context_free); | |
520 | if (unlikely(ret != 0)) | |
521 | goto out_unlock; | |
522 | ||
523 | tmp = vmw_resource_reference(&ctx->res); | |
524 | ret = ttm_base_object_init(tfile, &ctx->base, false, VMW_RES_CONTEXT, | |
525 | &vmw_user_context_base_release, NULL); | |
526 | ||
527 | if (unlikely(ret != 0)) { | |
528 | vmw_resource_unreference(&tmp); | |
529 | goto out_err; | |
530 | } | |
531 | ||
532 | arg->cid = ctx->base.hash.key; | |
533 | out_err: | |
534 | vmw_resource_unreference(&res); | |
535 | out_unlock: | |
294adf7d | 536 | ttm_read_unlock(&dev_priv->reservation_sem); |
543831cf TH |
537 | return ret; |
538 | ||
539 | } | |
b5c3b1a6 TH |
540 | |
541 | /** | |
542 | * vmw_context_scrub_shader - scrub a shader binding from a context. | |
543 | * | |
544 | * @bi: single binding information. | |
30f82d81 | 545 | * @rebind: Whether to issue a bind instead of scrub command. |
b5c3b1a6 | 546 | */ |
30f82d81 | 547 | static int vmw_context_scrub_shader(struct vmw_ctx_bindinfo *bi, bool rebind) |
b5c3b1a6 TH |
548 | { |
549 | struct vmw_private *dev_priv = bi->ctx->dev_priv; | |
550 | struct { | |
551 | SVGA3dCmdHeader header; | |
552 | SVGA3dCmdSetShader body; | |
553 | } *cmd; | |
554 | ||
555 | cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); | |
556 | if (unlikely(cmd == NULL)) { | |
557 | DRM_ERROR("Failed reserving FIFO space for shader " | |
558 | "unbinding.\n"); | |
559 | return -ENOMEM; | |
560 | } | |
561 | ||
562 | cmd->header.id = SVGA_3D_CMD_SET_SHADER; | |
563 | cmd->header.size = sizeof(cmd->body); | |
564 | cmd->body.cid = bi->ctx->id; | |
565 | cmd->body.type = bi->i1.shader_type; | |
8e67bbbc | 566 | cmd->body.shid = ((rebind) ? bi->res->id : SVGA3D_INVALID_ID); |
b5c3b1a6 TH |
567 | vmw_fifo_commit(dev_priv, sizeof(*cmd)); |
568 | ||
569 | return 0; | |
570 | } | |
571 | ||
572 | /** | |
573 | * vmw_context_scrub_render_target - scrub a render target binding | |
574 | * from a context. | |
575 | * | |
576 | * @bi: single binding information. | |
30f82d81 | 577 | * @rebind: Whether to issue a bind instead of scrub command. |
b5c3b1a6 | 578 | */ |
30f82d81 TH |
579 | static int vmw_context_scrub_render_target(struct vmw_ctx_bindinfo *bi, |
580 | bool rebind) | |
b5c3b1a6 TH |
581 | { |
582 | struct vmw_private *dev_priv = bi->ctx->dev_priv; | |
583 | struct { | |
584 | SVGA3dCmdHeader header; | |
585 | SVGA3dCmdSetRenderTarget body; | |
586 | } *cmd; | |
587 | ||
588 | cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); | |
589 | if (unlikely(cmd == NULL)) { | |
590 | DRM_ERROR("Failed reserving FIFO space for render target " | |
591 | "unbinding.\n"); | |
592 | return -ENOMEM; | |
593 | } | |
594 | ||
595 | cmd->header.id = SVGA_3D_CMD_SETRENDERTARGET; | |
596 | cmd->header.size = sizeof(cmd->body); | |
597 | cmd->body.cid = bi->ctx->id; | |
598 | cmd->body.type = bi->i1.rt_type; | |
8e67bbbc | 599 | cmd->body.target.sid = ((rebind) ? bi->res->id : SVGA3D_INVALID_ID); |
b5c3b1a6 TH |
600 | cmd->body.target.face = 0; |
601 | cmd->body.target.mipmap = 0; | |
602 | vmw_fifo_commit(dev_priv, sizeof(*cmd)); | |
603 | ||
604 | return 0; | |
605 | } | |
606 | ||
607 | /** | |
608 | * vmw_context_scrub_texture - scrub a texture binding from a context. | |
609 | * | |
610 | * @bi: single binding information. | |
30f82d81 | 611 | * @rebind: Whether to issue a bind instead of scrub command. |
b5c3b1a6 TH |
612 | * |
613 | * TODO: Possibly complement this function with a function that takes | |
614 | * a list of texture bindings and combines them to a single command. | |
615 | */ | |
30f82d81 TH |
616 | static int vmw_context_scrub_texture(struct vmw_ctx_bindinfo *bi, |
617 | bool rebind) | |
b5c3b1a6 TH |
618 | { |
619 | struct vmw_private *dev_priv = bi->ctx->dev_priv; | |
620 | struct { | |
621 | SVGA3dCmdHeader header; | |
622 | struct { | |
623 | SVGA3dCmdSetTextureState c; | |
624 | SVGA3dTextureState s1; | |
625 | } body; | |
626 | } *cmd; | |
627 | ||
628 | cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); | |
629 | if (unlikely(cmd == NULL)) { | |
630 | DRM_ERROR("Failed reserving FIFO space for texture " | |
631 | "unbinding.\n"); | |
632 | return -ENOMEM; | |
633 | } | |
634 | ||
635 | ||
636 | cmd->header.id = SVGA_3D_CMD_SETTEXTURESTATE; | |
637 | cmd->header.size = sizeof(cmd->body); | |
638 | cmd->body.c.cid = bi->ctx->id; | |
639 | cmd->body.s1.stage = bi->i1.texture_stage; | |
640 | cmd->body.s1.name = SVGA3D_TS_BIND_TEXTURE; | |
8e67bbbc | 641 | cmd->body.s1.value = ((rebind) ? bi->res->id : SVGA3D_INVALID_ID); |
b5c3b1a6 TH |
642 | vmw_fifo_commit(dev_priv, sizeof(*cmd)); |
643 | ||
644 | return 0; | |
645 | } | |
646 | ||
647 | /** | |
648 | * vmw_context_binding_drop: Stop tracking a context binding | |
649 | * | |
650 | * @cb: Pointer to binding tracker storage. | |
651 | * | |
652 | * Stops tracking a context binding, and re-initializes its storage. | |
653 | * Typically used when the context binding is replaced with a binding to | |
654 | * another (or the same, for that matter) resource. | |
655 | */ | |
656 | static void vmw_context_binding_drop(struct vmw_ctx_binding *cb) | |
657 | { | |
658 | list_del(&cb->ctx_list); | |
173fb7d4 TH |
659 | if (!list_empty(&cb->res_list)) |
660 | list_del(&cb->res_list); | |
b5c3b1a6 TH |
661 | cb->bi.ctx = NULL; |
662 | } | |
663 | ||
664 | /** | |
665 | * vmw_context_binding_add: Start tracking a context binding | |
666 | * | |
667 | * @cbs: Pointer to the context binding state tracker. | |
668 | * @bi: Information about the binding to track. | |
669 | * | |
670 | * Performs basic checks on the binding to make sure arguments are within | |
671 | * bounds and then starts tracking the binding in the context binding | |
672 | * state structure @cbs. | |
673 | */ | |
674 | int vmw_context_binding_add(struct vmw_ctx_binding_state *cbs, | |
675 | const struct vmw_ctx_bindinfo *bi) | |
676 | { | |
677 | struct vmw_ctx_binding *loc; | |
678 | ||
679 | switch (bi->bt) { | |
680 | case vmw_ctx_binding_rt: | |
681 | if (unlikely((unsigned)bi->i1.rt_type >= SVGA3D_RT_MAX)) { | |
682 | DRM_ERROR("Illegal render target type %u.\n", | |
683 | (unsigned) bi->i1.rt_type); | |
684 | return -EINVAL; | |
685 | } | |
686 | loc = &cbs->render_targets[bi->i1.rt_type]; | |
687 | break; | |
688 | case vmw_ctx_binding_tex: | |
689 | if (unlikely((unsigned)bi->i1.texture_stage >= | |
690 | SVGA3D_NUM_TEXTURE_UNITS)) { | |
691 | DRM_ERROR("Illegal texture/sampler unit %u.\n", | |
692 | (unsigned) bi->i1.texture_stage); | |
693 | return -EINVAL; | |
694 | } | |
695 | loc = &cbs->texture_units[bi->i1.texture_stage]; | |
696 | break; | |
697 | case vmw_ctx_binding_shader: | |
698 | if (unlikely((unsigned)bi->i1.shader_type >= | |
699 | SVGA3D_SHADERTYPE_MAX)) { | |
700 | DRM_ERROR("Illegal shader type %u.\n", | |
701 | (unsigned) bi->i1.shader_type); | |
702 | return -EINVAL; | |
703 | } | |
704 | loc = &cbs->shaders[bi->i1.shader_type]; | |
705 | break; | |
706 | default: | |
707 | BUG(); | |
708 | } | |
709 | ||
710 | if (loc->bi.ctx != NULL) | |
711 | vmw_context_binding_drop(loc); | |
712 | ||
713 | loc->bi = *bi; | |
30f82d81 | 714 | loc->bi.scrubbed = false; |
b5c3b1a6 | 715 | list_add_tail(&loc->ctx_list, &cbs->list); |
173fb7d4 | 716 | INIT_LIST_HEAD(&loc->res_list); |
b5c3b1a6 TH |
717 | |
718 | return 0; | |
719 | } | |
720 | ||
173fb7d4 TH |
721 | /** |
722 | * vmw_context_binding_transfer: Transfer a context binding tracking entry. | |
723 | * | |
724 | * @cbs: Pointer to the persistent context binding state tracker. | |
725 | * @bi: Information about the binding to track. | |
726 | * | |
727 | */ | |
728 | static void vmw_context_binding_transfer(struct vmw_ctx_binding_state *cbs, | |
729 | const struct vmw_ctx_bindinfo *bi) | |
730 | { | |
731 | struct vmw_ctx_binding *loc; | |
732 | ||
733 | switch (bi->bt) { | |
734 | case vmw_ctx_binding_rt: | |
735 | loc = &cbs->render_targets[bi->i1.rt_type]; | |
736 | break; | |
737 | case vmw_ctx_binding_tex: | |
738 | loc = &cbs->texture_units[bi->i1.texture_stage]; | |
739 | break; | |
740 | case vmw_ctx_binding_shader: | |
741 | loc = &cbs->shaders[bi->i1.shader_type]; | |
742 | break; | |
743 | default: | |
744 | BUG(); | |
745 | } | |
746 | ||
747 | if (loc->bi.ctx != NULL) | |
748 | vmw_context_binding_drop(loc); | |
749 | ||
30f82d81 TH |
750 | if (bi->res != NULL) { |
751 | loc->bi = *bi; | |
752 | list_add_tail(&loc->ctx_list, &cbs->list); | |
173fb7d4 | 753 | list_add_tail(&loc->res_list, &bi->res->binding_head); |
30f82d81 | 754 | } |
173fb7d4 TH |
755 | } |
756 | ||
b5c3b1a6 TH |
757 | /** |
758 | * vmw_context_binding_kill - Kill a binding on the device | |
759 | * and stop tracking it. | |
760 | * | |
761 | * @cb: Pointer to binding tracker storage. | |
762 | * | |
763 | * Emits FIFO commands to scrub a binding represented by @cb. | |
764 | * Then stops tracking the binding and re-initializes its storage. | |
765 | */ | |
3e894a62 | 766 | static void vmw_context_binding_kill(struct vmw_ctx_binding *cb) |
b5c3b1a6 | 767 | { |
30f82d81 TH |
768 | if (!cb->bi.scrubbed) { |
769 | (void) vmw_scrub_funcs[cb->bi.bt](&cb->bi, false); | |
770 | cb->bi.scrubbed = true; | |
771 | } | |
b5c3b1a6 TH |
772 | vmw_context_binding_drop(cb); |
773 | } | |
774 | ||
775 | /** | |
776 | * vmw_context_binding_state_kill - Kill all bindings associated with a | |
777 | * struct vmw_ctx_binding state structure, and re-initialize the structure. | |
778 | * | |
779 | * @cbs: Pointer to the context binding state tracker. | |
780 | * | |
781 | * Emits commands to scrub all bindings associated with the | |
782 | * context binding state tracker. Then re-initializes the whole structure. | |
783 | */ | |
173fb7d4 | 784 | static void vmw_context_binding_state_kill(struct vmw_ctx_binding_state *cbs) |
b5c3b1a6 TH |
785 | { |
786 | struct vmw_ctx_binding *entry, *next; | |
787 | ||
173fb7d4 | 788 | list_for_each_entry_safe(entry, next, &cbs->list, ctx_list) |
b5c3b1a6 | 789 | vmw_context_binding_kill(entry); |
173fb7d4 TH |
790 | } |
791 | ||
30f82d81 TH |
792 | /** |
793 | * vmw_context_binding_state_scrub - Scrub all bindings associated with a | |
794 | * struct vmw_ctx_binding state structure. | |
795 | * | |
796 | * @cbs: Pointer to the context binding state tracker. | |
797 | * | |
798 | * Emits commands to scrub all bindings associated with the | |
799 | * context binding state tracker. | |
800 | */ | |
801 | static void vmw_context_binding_state_scrub(struct vmw_ctx_binding_state *cbs) | |
802 | { | |
803 | struct vmw_ctx_binding *entry; | |
804 | ||
805 | list_for_each_entry(entry, &cbs->list, ctx_list) { | |
806 | if (!entry->bi.scrubbed) { | |
807 | (void) vmw_scrub_funcs[entry->bi.bt](&entry->bi, false); | |
808 | entry->bi.scrubbed = true; | |
809 | } | |
810 | } | |
811 | } | |
812 | ||
173fb7d4 TH |
813 | /** |
814 | * vmw_context_binding_res_list_kill - Kill all bindings on a | |
815 | * resource binding list | |
816 | * | |
817 | * @head: list head of resource binding list | |
818 | * | |
819 | * Kills all bindings associated with a specific resource. Typically | |
820 | * called before the resource is destroyed. | |
821 | */ | |
822 | void vmw_context_binding_res_list_kill(struct list_head *head) | |
823 | { | |
824 | struct vmw_ctx_binding *entry, *next; | |
825 | ||
826 | list_for_each_entry_safe(entry, next, head, res_list) | |
827 | vmw_context_binding_kill(entry); | |
828 | } | |
829 | ||
30f82d81 TH |
830 | /** |
831 | * vmw_context_binding_res_list_scrub - Scrub all bindings on a | |
832 | * resource binding list | |
833 | * | |
834 | * @head: list head of resource binding list | |
835 | * | |
836 | * Scrub all bindings associated with a specific resource. Typically | |
837 | * called before the resource is evicted. | |
838 | */ | |
839 | void vmw_context_binding_res_list_scrub(struct list_head *head) | |
840 | { | |
841 | struct vmw_ctx_binding *entry; | |
842 | ||
843 | list_for_each_entry(entry, head, res_list) { | |
844 | if (!entry->bi.scrubbed) { | |
845 | (void) vmw_scrub_funcs[entry->bi.bt](&entry->bi, false); | |
846 | entry->bi.scrubbed = true; | |
847 | } | |
848 | } | |
849 | } | |
850 | ||
173fb7d4 TH |
851 | /** |
852 | * vmw_context_binding_state_transfer - Commit staged binding info | |
853 | * | |
854 | * @ctx: Pointer to context to commit the staged binding info to. | |
855 | * @from: Staged binding info built during execbuf. | |
856 | * | |
857 | * Transfers binding info from a temporary structure to the persistent | |
858 | * structure in the context. This can be done once commands | |
859 | */ | |
860 | void vmw_context_binding_state_transfer(struct vmw_resource *ctx, | |
861 | struct vmw_ctx_binding_state *from) | |
862 | { | |
863 | struct vmw_user_context *uctx = | |
864 | container_of(ctx, struct vmw_user_context, res); | |
865 | struct vmw_ctx_binding *entry, *next; | |
866 | ||
867 | list_for_each_entry_safe(entry, next, &from->list, ctx_list) | |
868 | vmw_context_binding_transfer(&uctx->cbs, &entry->bi); | |
b5c3b1a6 | 869 | } |
30f82d81 TH |
870 | |
871 | /** | |
872 | * vmw_context_rebind_all - Rebind all scrubbed bindings of a context | |
873 | * | |
874 | * @ctx: The context resource | |
875 | * | |
876 | * Walks through the context binding list and rebinds all scrubbed | |
877 | * resources. | |
878 | */ | |
879 | int vmw_context_rebind_all(struct vmw_resource *ctx) | |
880 | { | |
881 | struct vmw_ctx_binding *entry; | |
882 | struct vmw_user_context *uctx = | |
883 | container_of(ctx, struct vmw_user_context, res); | |
884 | struct vmw_ctx_binding_state *cbs = &uctx->cbs; | |
885 | int ret; | |
886 | ||
887 | list_for_each_entry(entry, &cbs->list, ctx_list) { | |
888 | if (likely(!entry->bi.scrubbed)) | |
889 | continue; | |
890 | ||
891 | if (WARN_ON(entry->bi.res == NULL || entry->bi.res->id == | |
892 | SVGA3D_INVALID_ID)) | |
893 | continue; | |
894 | ||
895 | ret = vmw_scrub_funcs[entry->bi.bt](&entry->bi, true); | |
896 | if (unlikely(ret != 0)) | |
897 | return ret; | |
898 | ||
899 | entry->bi.scrubbed = false; | |
900 | } | |
901 | ||
902 | return 0; | |
903 | } | |
904 | ||
905 | /** | |
906 | * vmw_context_binding_list - Return a list of context bindings | |
907 | * | |
908 | * @ctx: The context resource | |
909 | * | |
910 | * Returns the current list of bindings of the given context. Note that | |
911 | * this list becomes stale as soon as the dev_priv::binding_mutex is unlocked. | |
912 | */ | |
913 | struct list_head *vmw_context_binding_list(struct vmw_resource *ctx) | |
914 | { | |
915 | return &(container_of(ctx, struct vmw_user_context, res)->cbs.list); | |
916 | } | |
18e4a466 TH |
917 | |
918 | struct vmw_cmdbuf_res_manager *vmw_context_res_man(struct vmw_resource *ctx) | |
919 | { | |
920 | return container_of(ctx, struct vmw_user_context, res)->man; | |
921 | } |