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fb1d9738 JB |
1 | /************************************************************************** |
2 | * | |
3 | * Copyright © 2009 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_reg.h" | |
760285e7 DH |
30 | #include <drm/ttm/ttm_bo_api.h> |
31 | #include <drm/ttm/ttm_placement.h> | |
fb1d9738 | 32 | |
c0951b79 TH |
33 | #define VMW_RES_HT_ORDER 12 |
34 | ||
35 | /** | |
36 | * struct vmw_resource_relocation - Relocation info for resources | |
37 | * | |
38 | * @head: List head for the software context's relocation list. | |
39 | * @res: Non-ref-counted pointer to the resource. | |
40 | * @offset: Offset of 4 byte entries into the command buffer where the | |
41 | * id that needs fixup is located. | |
42 | */ | |
43 | struct vmw_resource_relocation { | |
44 | struct list_head head; | |
45 | const struct vmw_resource *res; | |
46 | unsigned long offset; | |
47 | }; | |
48 | ||
49 | /** | |
50 | * struct vmw_resource_val_node - Validation info for resources | |
51 | * | |
52 | * @head: List head for the software context's resource list. | |
53 | * @hash: Hash entry for quick resouce to val_node lookup. | |
54 | * @res: Ref-counted pointer to the resource. | |
55 | * @switch_backup: Boolean whether to switch backup buffer on unreserve. | |
56 | * @new_backup: Refcounted pointer to the new backup buffer. | |
b5c3b1a6 TH |
57 | * @staged_bindings: If @res is a context, tracks bindings set up during |
58 | * the command batch. Otherwise NULL. | |
c0951b79 TH |
59 | * @new_backup_offset: New backup buffer offset if @new_backup is non-NUll. |
60 | * @first_usage: Set to true the first time the resource is referenced in | |
61 | * the command stream. | |
62 | * @no_buffer_needed: Resources do not need to allocate buffer backup on | |
63 | * reservation. The command stream will provide one. | |
64 | */ | |
65 | struct vmw_resource_val_node { | |
66 | struct list_head head; | |
67 | struct drm_hash_item hash; | |
68 | struct vmw_resource *res; | |
69 | struct vmw_dma_buffer *new_backup; | |
b5c3b1a6 | 70 | struct vmw_ctx_binding_state *staged_bindings; |
c0951b79 TH |
71 | unsigned long new_backup_offset; |
72 | bool first_usage; | |
73 | bool no_buffer_needed; | |
74 | }; | |
75 | ||
c373d4ea TH |
76 | /** |
77 | * struct vmw_cmd_entry - Describe a command for the verifier | |
78 | * | |
79 | * @user_allow: Whether allowed from the execbuf ioctl. | |
80 | * @gb_disable: Whether disabled if guest-backed objects are available. | |
81 | * @gb_enable: Whether enabled iff guest-backed objects are available. | |
82 | */ | |
83 | struct vmw_cmd_entry { | |
84 | int (*func) (struct vmw_private *, struct vmw_sw_context *, | |
85 | SVGA3dCmdHeader *); | |
86 | bool user_allow; | |
87 | bool gb_disable; | |
88 | bool gb_enable; | |
89 | }; | |
90 | ||
91 | #define VMW_CMD_DEF(_cmd, _func, _user_allow, _gb_disable, _gb_enable) \ | |
92 | [(_cmd) - SVGA_3D_CMD_BASE] = {(_func), (_user_allow),\ | |
93 | (_gb_disable), (_gb_enable)} | |
94 | ||
c0951b79 TH |
95 | /** |
96 | * vmw_resource_unreserve - unreserve resources previously reserved for | |
97 | * command submission. | |
98 | * | |
99 | * @list_head: list of resources to unreserve. | |
100 | * @backoff: Whether command submission failed. | |
101 | */ | |
102 | static void vmw_resource_list_unreserve(struct list_head *list, | |
103 | bool backoff) | |
104 | { | |
105 | struct vmw_resource_val_node *val; | |
106 | ||
107 | list_for_each_entry(val, list, head) { | |
108 | struct vmw_resource *res = val->res; | |
109 | struct vmw_dma_buffer *new_backup = | |
110 | backoff ? NULL : val->new_backup; | |
111 | ||
173fb7d4 TH |
112 | /* |
113 | * Transfer staged context bindings to the | |
114 | * persistent context binding tracker. | |
115 | */ | |
b5c3b1a6 | 116 | if (unlikely(val->staged_bindings)) { |
76c7d18b TH |
117 | if (!backoff) { |
118 | vmw_context_binding_state_transfer | |
119 | (val->res, val->staged_bindings); | |
120 | } | |
b5c3b1a6 TH |
121 | kfree(val->staged_bindings); |
122 | val->staged_bindings = NULL; | |
123 | } | |
c0951b79 TH |
124 | vmw_resource_unreserve(res, new_backup, |
125 | val->new_backup_offset); | |
126 | vmw_dmabuf_unreference(&val->new_backup); | |
127 | } | |
128 | } | |
129 | ||
130 | ||
131 | /** | |
132 | * vmw_resource_val_add - Add a resource to the software context's | |
133 | * resource list if it's not already on it. | |
134 | * | |
135 | * @sw_context: Pointer to the software context. | |
136 | * @res: Pointer to the resource. | |
137 | * @p_node On successful return points to a valid pointer to a | |
138 | * struct vmw_resource_val_node, if non-NULL on entry. | |
139 | */ | |
140 | static int vmw_resource_val_add(struct vmw_sw_context *sw_context, | |
141 | struct vmw_resource *res, | |
142 | struct vmw_resource_val_node **p_node) | |
143 | { | |
144 | struct vmw_resource_val_node *node; | |
145 | struct drm_hash_item *hash; | |
146 | int ret; | |
147 | ||
148 | if (likely(drm_ht_find_item(&sw_context->res_ht, (unsigned long) res, | |
149 | &hash) == 0)) { | |
150 | node = container_of(hash, struct vmw_resource_val_node, hash); | |
151 | node->first_usage = false; | |
152 | if (unlikely(p_node != NULL)) | |
153 | *p_node = node; | |
154 | return 0; | |
155 | } | |
156 | ||
157 | node = kzalloc(sizeof(*node), GFP_KERNEL); | |
158 | if (unlikely(node == NULL)) { | |
159 | DRM_ERROR("Failed to allocate a resource validation " | |
160 | "entry.\n"); | |
161 | return -ENOMEM; | |
162 | } | |
163 | ||
164 | node->hash.key = (unsigned long) res; | |
165 | ret = drm_ht_insert_item(&sw_context->res_ht, &node->hash); | |
166 | if (unlikely(ret != 0)) { | |
167 | DRM_ERROR("Failed to initialize a resource validation " | |
168 | "entry.\n"); | |
169 | kfree(node); | |
170 | return ret; | |
171 | } | |
172 | list_add_tail(&node->head, &sw_context->resource_list); | |
173 | node->res = vmw_resource_reference(res); | |
174 | node->first_usage = true; | |
175 | ||
176 | if (unlikely(p_node != NULL)) | |
177 | *p_node = node; | |
178 | ||
179 | return 0; | |
180 | } | |
181 | ||
30f82d81 TH |
182 | /** |
183 | * vmw_resource_context_res_add - Put resources previously bound to a context on | |
184 | * the validation list | |
185 | * | |
186 | * @dev_priv: Pointer to a device private structure | |
187 | * @sw_context: Pointer to a software context used for this command submission | |
188 | * @ctx: Pointer to the context resource | |
189 | * | |
190 | * This function puts all resources that were previously bound to @ctx on | |
191 | * the resource validation list. This is part of the context state reemission | |
192 | */ | |
193 | static int vmw_resource_context_res_add(struct vmw_private *dev_priv, | |
194 | struct vmw_sw_context *sw_context, | |
195 | struct vmw_resource *ctx) | |
196 | { | |
197 | struct list_head *binding_list; | |
198 | struct vmw_ctx_binding *entry; | |
199 | int ret = 0; | |
200 | struct vmw_resource *res; | |
201 | ||
202 | mutex_lock(&dev_priv->binding_mutex); | |
203 | binding_list = vmw_context_binding_list(ctx); | |
204 | ||
205 | list_for_each_entry(entry, binding_list, ctx_list) { | |
206 | res = vmw_resource_reference_unless_doomed(entry->bi.res); | |
207 | if (unlikely(res == NULL)) | |
208 | continue; | |
209 | ||
210 | ret = vmw_resource_val_add(sw_context, entry->bi.res, NULL); | |
211 | vmw_resource_unreference(&res); | |
212 | if (unlikely(ret != 0)) | |
213 | break; | |
214 | } | |
215 | ||
216 | mutex_unlock(&dev_priv->binding_mutex); | |
217 | return ret; | |
218 | } | |
219 | ||
c0951b79 TH |
220 | /** |
221 | * vmw_resource_relocation_add - Add a relocation to the relocation list | |
222 | * | |
223 | * @list: Pointer to head of relocation list. | |
224 | * @res: The resource. | |
225 | * @offset: Offset into the command buffer currently being parsed where the | |
226 | * id that needs fixup is located. Granularity is 4 bytes. | |
227 | */ | |
228 | static int vmw_resource_relocation_add(struct list_head *list, | |
229 | const struct vmw_resource *res, | |
230 | unsigned long offset) | |
231 | { | |
232 | struct vmw_resource_relocation *rel; | |
233 | ||
234 | rel = kmalloc(sizeof(*rel), GFP_KERNEL); | |
235 | if (unlikely(rel == NULL)) { | |
236 | DRM_ERROR("Failed to allocate a resource relocation.\n"); | |
237 | return -ENOMEM; | |
238 | } | |
239 | ||
240 | rel->res = res; | |
241 | rel->offset = offset; | |
242 | list_add_tail(&rel->head, list); | |
243 | ||
244 | return 0; | |
245 | } | |
246 | ||
247 | /** | |
248 | * vmw_resource_relocations_free - Free all relocations on a list | |
249 | * | |
250 | * @list: Pointer to the head of the relocation list. | |
251 | */ | |
252 | static void vmw_resource_relocations_free(struct list_head *list) | |
253 | { | |
254 | struct vmw_resource_relocation *rel, *n; | |
255 | ||
256 | list_for_each_entry_safe(rel, n, list, head) { | |
257 | list_del(&rel->head); | |
258 | kfree(rel); | |
259 | } | |
260 | } | |
261 | ||
262 | /** | |
263 | * vmw_resource_relocations_apply - Apply all relocations on a list | |
264 | * | |
265 | * @cb: Pointer to the start of the command buffer bein patch. This need | |
266 | * not be the same buffer as the one being parsed when the relocation | |
267 | * list was built, but the contents must be the same modulo the | |
268 | * resource ids. | |
269 | * @list: Pointer to the head of the relocation list. | |
270 | */ | |
271 | static void vmw_resource_relocations_apply(uint32_t *cb, | |
272 | struct list_head *list) | |
273 | { | |
274 | struct vmw_resource_relocation *rel; | |
275 | ||
d5bde956 TH |
276 | list_for_each_entry(rel, list, head) { |
277 | if (likely(rel->res != NULL)) | |
278 | cb[rel->offset] = rel->res->id; | |
279 | else | |
280 | cb[rel->offset] = SVGA_3D_CMD_NOP; | |
281 | } | |
c0951b79 TH |
282 | } |
283 | ||
fb1d9738 JB |
284 | static int vmw_cmd_invalid(struct vmw_private *dev_priv, |
285 | struct vmw_sw_context *sw_context, | |
286 | SVGA3dCmdHeader *header) | |
287 | { | |
288 | return capable(CAP_SYS_ADMIN) ? : -EINVAL; | |
289 | } | |
290 | ||
291 | static int vmw_cmd_ok(struct vmw_private *dev_priv, | |
292 | struct vmw_sw_context *sw_context, | |
293 | SVGA3dCmdHeader *header) | |
294 | { | |
295 | return 0; | |
296 | } | |
297 | ||
e2fa3a76 TH |
298 | /** |
299 | * vmw_bo_to_validate_list - add a bo to a validate list | |
300 | * | |
301 | * @sw_context: The software context used for this command submission batch. | |
302 | * @bo: The buffer object to add. | |
96c5f0df | 303 | * @validate_as_mob: Validate this buffer as a MOB. |
e2fa3a76 TH |
304 | * @p_val_node: If non-NULL Will be updated with the validate node number |
305 | * on return. | |
306 | * | |
307 | * Returns -EINVAL if the limit of number of buffer objects per command | |
308 | * submission is reached. | |
309 | */ | |
310 | static int vmw_bo_to_validate_list(struct vmw_sw_context *sw_context, | |
311 | struct ttm_buffer_object *bo, | |
96c5f0df | 312 | bool validate_as_mob, |
e2fa3a76 TH |
313 | uint32_t *p_val_node) |
314 | { | |
315 | uint32_t val_node; | |
c0951b79 | 316 | struct vmw_validate_buffer *vval_buf; |
e2fa3a76 | 317 | struct ttm_validate_buffer *val_buf; |
c0951b79 TH |
318 | struct drm_hash_item *hash; |
319 | int ret; | |
e2fa3a76 | 320 | |
c0951b79 TH |
321 | if (likely(drm_ht_find_item(&sw_context->res_ht, (unsigned long) bo, |
322 | &hash) == 0)) { | |
323 | vval_buf = container_of(hash, struct vmw_validate_buffer, | |
324 | hash); | |
96c5f0df TH |
325 | if (unlikely(vval_buf->validate_as_mob != validate_as_mob)) { |
326 | DRM_ERROR("Inconsistent buffer usage.\n"); | |
327 | return -EINVAL; | |
328 | } | |
c0951b79 TH |
329 | val_buf = &vval_buf->base; |
330 | val_node = vval_buf - sw_context->val_bufs; | |
331 | } else { | |
332 | val_node = sw_context->cur_val_buf; | |
333 | if (unlikely(val_node >= VMWGFX_MAX_VALIDATIONS)) { | |
334 | DRM_ERROR("Max number of DMA buffers per submission " | |
335 | "exceeded.\n"); | |
336 | return -EINVAL; | |
337 | } | |
338 | vval_buf = &sw_context->val_bufs[val_node]; | |
339 | vval_buf->hash.key = (unsigned long) bo; | |
340 | ret = drm_ht_insert_item(&sw_context->res_ht, &vval_buf->hash); | |
341 | if (unlikely(ret != 0)) { | |
342 | DRM_ERROR("Failed to initialize a buffer validation " | |
343 | "entry.\n"); | |
344 | return ret; | |
345 | } | |
346 | ++sw_context->cur_val_buf; | |
347 | val_buf = &vval_buf->base; | |
e2fa3a76 | 348 | val_buf->bo = ttm_bo_reference(bo); |
ae9c0af2 | 349 | val_buf->shared = false; |
e2fa3a76 | 350 | list_add_tail(&val_buf->head, &sw_context->validate_nodes); |
96c5f0df | 351 | vval_buf->validate_as_mob = validate_as_mob; |
e2fa3a76 TH |
352 | } |
353 | ||
e2fa3a76 TH |
354 | if (p_val_node) |
355 | *p_val_node = val_node; | |
356 | ||
357 | return 0; | |
358 | } | |
359 | ||
c0951b79 TH |
360 | /** |
361 | * vmw_resources_reserve - Reserve all resources on the sw_context's | |
362 | * resource list. | |
363 | * | |
364 | * @sw_context: Pointer to the software context. | |
365 | * | |
366 | * Note that since vmware's command submission currently is protected by | |
367 | * the cmdbuf mutex, no fancy deadlock avoidance is required for resources, | |
368 | * since only a single thread at once will attempt this. | |
369 | */ | |
370 | static int vmw_resources_reserve(struct vmw_sw_context *sw_context) | |
fb1d9738 | 371 | { |
c0951b79 | 372 | struct vmw_resource_val_node *val; |
fb1d9738 JB |
373 | int ret; |
374 | ||
c0951b79 TH |
375 | list_for_each_entry(val, &sw_context->resource_list, head) { |
376 | struct vmw_resource *res = val->res; | |
fb1d9738 | 377 | |
c0951b79 TH |
378 | ret = vmw_resource_reserve(res, val->no_buffer_needed); |
379 | if (unlikely(ret != 0)) | |
380 | return ret; | |
381 | ||
382 | if (res->backup) { | |
383 | struct ttm_buffer_object *bo = &res->backup->base; | |
384 | ||
385 | ret = vmw_bo_to_validate_list | |
96c5f0df TH |
386 | (sw_context, bo, |
387 | vmw_resource_needs_backup(res), NULL); | |
c0951b79 TH |
388 | |
389 | if (unlikely(ret != 0)) | |
390 | return ret; | |
391 | } | |
fb1d9738 | 392 | } |
c0951b79 TH |
393 | return 0; |
394 | } | |
fb1d9738 | 395 | |
c0951b79 TH |
396 | /** |
397 | * vmw_resources_validate - Validate all resources on the sw_context's | |
398 | * resource list. | |
399 | * | |
400 | * @sw_context: Pointer to the software context. | |
401 | * | |
402 | * Before this function is called, all resource backup buffers must have | |
403 | * been validated. | |
404 | */ | |
405 | static int vmw_resources_validate(struct vmw_sw_context *sw_context) | |
406 | { | |
407 | struct vmw_resource_val_node *val; | |
408 | int ret; | |
409 | ||
410 | list_for_each_entry(val, &sw_context->resource_list, head) { | |
411 | struct vmw_resource *res = val->res; | |
f18c8840 | 412 | |
c0951b79 TH |
413 | ret = vmw_resource_validate(res); |
414 | if (unlikely(ret != 0)) { | |
415 | if (ret != -ERESTARTSYS) | |
416 | DRM_ERROR("Failed to validate resource.\n"); | |
417 | return ret; | |
418 | } | |
419 | } | |
f18c8840 | 420 | return 0; |
fb1d9738 JB |
421 | } |
422 | ||
18e4a466 TH |
423 | |
424 | /** | |
425 | * vmw_cmd_res_reloc_add - Add a resource to a software context's | |
426 | * relocation- and validation lists. | |
427 | * | |
428 | * @dev_priv: Pointer to a struct vmw_private identifying the device. | |
429 | * @sw_context: Pointer to the software context. | |
430 | * @res_type: Resource type. | |
431 | * @id_loc: Pointer to where the id that needs translation is located. | |
432 | * @res: Valid pointer to a struct vmw_resource. | |
433 | * @p_val: If non null, a pointer to the struct vmw_resource_validate_node | |
434 | * used for this resource is returned here. | |
435 | */ | |
436 | static int vmw_cmd_res_reloc_add(struct vmw_private *dev_priv, | |
437 | struct vmw_sw_context *sw_context, | |
438 | enum vmw_res_type res_type, | |
439 | uint32_t *id_loc, | |
440 | struct vmw_resource *res, | |
441 | struct vmw_resource_val_node **p_val) | |
442 | { | |
443 | int ret; | |
444 | struct vmw_resource_val_node *node; | |
445 | ||
446 | *p_val = NULL; | |
447 | ret = vmw_resource_relocation_add(&sw_context->res_relocations, | |
448 | res, | |
449 | id_loc - sw_context->buf_start); | |
450 | if (unlikely(ret != 0)) | |
9f9cb84f | 451 | return ret; |
18e4a466 TH |
452 | |
453 | ret = vmw_resource_val_add(sw_context, res, &node); | |
454 | if (unlikely(ret != 0)) | |
9f9cb84f | 455 | return ret; |
18e4a466 TH |
456 | |
457 | if (res_type == vmw_res_context && dev_priv->has_mob && | |
458 | node->first_usage) { | |
459 | ||
460 | /* | |
461 | * Put contexts first on the list to be able to exit | |
462 | * list traversal for contexts early. | |
463 | */ | |
464 | list_del(&node->head); | |
465 | list_add(&node->head, &sw_context->resource_list); | |
466 | ||
467 | ret = vmw_resource_context_res_add(dev_priv, sw_context, res); | |
468 | if (unlikely(ret != 0)) | |
9f9cb84f | 469 | return ret; |
18e4a466 TH |
470 | node->staged_bindings = |
471 | kzalloc(sizeof(*node->staged_bindings), GFP_KERNEL); | |
472 | if (node->staged_bindings == NULL) { | |
473 | DRM_ERROR("Failed to allocate context binding " | |
474 | "information.\n"); | |
9f9cb84f | 475 | return -ENOMEM; |
18e4a466 TH |
476 | } |
477 | INIT_LIST_HEAD(&node->staged_bindings->list); | |
478 | } | |
479 | ||
480 | if (p_val) | |
481 | *p_val = node; | |
482 | ||
9f9cb84f | 483 | return 0; |
18e4a466 TH |
484 | } |
485 | ||
486 | ||
c0951b79 | 487 | /** |
18e4a466 | 488 | * vmw_cmd_res_check - Check that a resource is present and if so, put it |
c0951b79 TH |
489 | * on the resource validate list unless it's already there. |
490 | * | |
491 | * @dev_priv: Pointer to a device private structure. | |
492 | * @sw_context: Pointer to the software context. | |
493 | * @res_type: Resource type. | |
494 | * @converter: User-space visisble type specific information. | |
d5bde956 | 495 | * @id_loc: Pointer to the location in the command buffer currently being |
c0951b79 | 496 | * parsed from where the user-space resource id handle is located. |
d5bde956 TH |
497 | * @p_val: Pointer to pointer to resource validalidation node. Populated |
498 | * on exit. | |
c0951b79 | 499 | */ |
d5bde956 | 500 | static int |
18e4a466 TH |
501 | vmw_cmd_res_check(struct vmw_private *dev_priv, |
502 | struct vmw_sw_context *sw_context, | |
503 | enum vmw_res_type res_type, | |
504 | const struct vmw_user_resource_conv *converter, | |
505 | uint32_t *id_loc, | |
506 | struct vmw_resource_val_node **p_val) | |
fb1d9738 | 507 | { |
c0951b79 TH |
508 | struct vmw_res_cache_entry *rcache = |
509 | &sw_context->res_cache[res_type]; | |
be38ab6e | 510 | struct vmw_resource *res; |
c0951b79 TH |
511 | struct vmw_resource_val_node *node; |
512 | int ret; | |
be38ab6e | 513 | |
18e4a466 | 514 | if (*id_loc == SVGA3D_INVALID_ID) { |
b5c3b1a6 TH |
515 | if (p_val) |
516 | *p_val = NULL; | |
517 | if (res_type == vmw_res_context) { | |
518 | DRM_ERROR("Illegal context invalid id.\n"); | |
519 | return -EINVAL; | |
520 | } | |
7a73ba74 | 521 | return 0; |
b5c3b1a6 | 522 | } |
7a73ba74 | 523 | |
c0951b79 TH |
524 | /* |
525 | * Fastpath in case of repeated commands referencing the same | |
526 | * resource | |
527 | */ | |
7a73ba74 | 528 | |
18e4a466 | 529 | if (likely(rcache->valid && *id_loc == rcache->handle)) { |
c0951b79 TH |
530 | const struct vmw_resource *res = rcache->res; |
531 | ||
532 | rcache->node->first_usage = false; | |
533 | if (p_val) | |
534 | *p_val = rcache->node; | |
535 | ||
536 | return vmw_resource_relocation_add | |
537 | (&sw_context->res_relocations, res, | |
d5bde956 | 538 | id_loc - sw_context->buf_start); |
be38ab6e TH |
539 | } |
540 | ||
c0951b79 | 541 | ret = vmw_user_resource_lookup_handle(dev_priv, |
d5bde956 | 542 | sw_context->fp->tfile, |
18e4a466 | 543 | *id_loc, |
c0951b79 TH |
544 | converter, |
545 | &res); | |
5bb39e81 | 546 | if (unlikely(ret != 0)) { |
c0951b79 | 547 | DRM_ERROR("Could not find or use resource 0x%08x.\n", |
18e4a466 | 548 | (unsigned) *id_loc); |
c0951b79 | 549 | dump_stack(); |
5bb39e81 TH |
550 | return ret; |
551 | } | |
552 | ||
c0951b79 TH |
553 | rcache->valid = true; |
554 | rcache->res = res; | |
18e4a466 | 555 | rcache->handle = *id_loc; |
c0951b79 | 556 | |
18e4a466 TH |
557 | ret = vmw_cmd_res_reloc_add(dev_priv, sw_context, res_type, id_loc, |
558 | res, &node); | |
c0951b79 TH |
559 | if (unlikely(ret != 0)) |
560 | goto out_no_reloc; | |
f18c8840 | 561 | |
c0951b79 TH |
562 | rcache->node = node; |
563 | if (p_val) | |
564 | *p_val = node; | |
565 | vmw_resource_unreference(&res); | |
f18c8840 | 566 | return 0; |
c0951b79 TH |
567 | |
568 | out_no_reloc: | |
569 | BUG_ON(sw_context->error_resource != NULL); | |
570 | sw_context->error_resource = res; | |
571 | ||
572 | return ret; | |
fb1d9738 JB |
573 | } |
574 | ||
30f82d81 TH |
575 | /** |
576 | * vmw_rebind_contexts - Rebind all resources previously bound to | |
577 | * referenced contexts. | |
578 | * | |
579 | * @sw_context: Pointer to the software context. | |
580 | * | |
581 | * Rebind context binding points that have been scrubbed because of eviction. | |
582 | */ | |
583 | static int vmw_rebind_contexts(struct vmw_sw_context *sw_context) | |
584 | { | |
585 | struct vmw_resource_val_node *val; | |
586 | int ret; | |
587 | ||
588 | list_for_each_entry(val, &sw_context->resource_list, head) { | |
18e4a466 TH |
589 | if (unlikely(!val->staged_bindings)) |
590 | break; | |
30f82d81 TH |
591 | |
592 | ret = vmw_context_rebind_all(val->res); | |
593 | if (unlikely(ret != 0)) { | |
594 | if (ret != -ERESTARTSYS) | |
595 | DRM_ERROR("Failed to rebind context.\n"); | |
596 | return ret; | |
597 | } | |
598 | } | |
599 | ||
600 | return 0; | |
601 | } | |
602 | ||
c0951b79 TH |
603 | /** |
604 | * vmw_cmd_cid_check - Check a command header for valid context information. | |
605 | * | |
606 | * @dev_priv: Pointer to a device private structure. | |
607 | * @sw_context: Pointer to the software context. | |
608 | * @header: A command header with an embedded user-space context handle. | |
609 | * | |
610 | * Convenience function: Call vmw_cmd_res_check with the user-space context | |
611 | * handle embedded in @header. | |
612 | */ | |
613 | static int vmw_cmd_cid_check(struct vmw_private *dev_priv, | |
614 | struct vmw_sw_context *sw_context, | |
615 | SVGA3dCmdHeader *header) | |
616 | { | |
617 | struct vmw_cid_cmd { | |
618 | SVGA3dCmdHeader header; | |
8e67bbbc | 619 | uint32_t cid; |
c0951b79 TH |
620 | } *cmd; |
621 | ||
622 | cmd = container_of(header, struct vmw_cid_cmd, header); | |
623 | return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context, | |
624 | user_context_converter, &cmd->cid, NULL); | |
625 | } | |
fb1d9738 JB |
626 | |
627 | static int vmw_cmd_set_render_target_check(struct vmw_private *dev_priv, | |
628 | struct vmw_sw_context *sw_context, | |
629 | SVGA3dCmdHeader *header) | |
630 | { | |
631 | struct vmw_sid_cmd { | |
632 | SVGA3dCmdHeader header; | |
633 | SVGA3dCmdSetRenderTarget body; | |
634 | } *cmd; | |
b5c3b1a6 | 635 | struct vmw_resource_val_node *ctx_node; |
173fb7d4 | 636 | struct vmw_resource_val_node *res_node; |
fb1d9738 JB |
637 | int ret; |
638 | ||
b5c3b1a6 TH |
639 | cmd = container_of(header, struct vmw_sid_cmd, header); |
640 | ||
641 | ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context, | |
642 | user_context_converter, &cmd->body.cid, | |
643 | &ctx_node); | |
fb1d9738 JB |
644 | if (unlikely(ret != 0)) |
645 | return ret; | |
646 | ||
c0951b79 TH |
647 | ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface, |
648 | user_surface_converter, | |
173fb7d4 | 649 | &cmd->body.target.sid, &res_node); |
b5c3b1a6 TH |
650 | if (unlikely(ret != 0)) |
651 | return ret; | |
652 | ||
653 | if (dev_priv->has_mob) { | |
654 | struct vmw_ctx_bindinfo bi; | |
655 | ||
656 | bi.ctx = ctx_node->res; | |
173fb7d4 | 657 | bi.res = res_node ? res_node->res : NULL; |
b5c3b1a6 TH |
658 | bi.bt = vmw_ctx_binding_rt; |
659 | bi.i1.rt_type = cmd->body.type; | |
660 | return vmw_context_binding_add(ctx_node->staged_bindings, &bi); | |
661 | } | |
662 | ||
663 | return 0; | |
fb1d9738 JB |
664 | } |
665 | ||
666 | static int vmw_cmd_surface_copy_check(struct vmw_private *dev_priv, | |
667 | struct vmw_sw_context *sw_context, | |
668 | SVGA3dCmdHeader *header) | |
669 | { | |
670 | struct vmw_sid_cmd { | |
671 | SVGA3dCmdHeader header; | |
672 | SVGA3dCmdSurfaceCopy body; | |
673 | } *cmd; | |
674 | int ret; | |
675 | ||
676 | cmd = container_of(header, struct vmw_sid_cmd, header); | |
c9146cd9 | 677 | |
f89c6c32 SY |
678 | if (!(sw_context->quirks & VMW_QUIRK_SRC_SID_OK)) { |
679 | ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface, | |
680 | user_surface_converter, | |
681 | &cmd->body.src.sid, NULL); | |
682 | if (ret != 0) | |
683 | return ret; | |
684 | } | |
685 | ||
686 | if (sw_context->quirks & VMW_QUIRK_DST_SID_OK) | |
c9146cd9 TH |
687 | return 0; |
688 | ||
c0951b79 TH |
689 | return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface, |
690 | user_surface_converter, | |
691 | &cmd->body.dest.sid, NULL); | |
fb1d9738 JB |
692 | } |
693 | ||
694 | static int vmw_cmd_stretch_blt_check(struct vmw_private *dev_priv, | |
695 | struct vmw_sw_context *sw_context, | |
696 | SVGA3dCmdHeader *header) | |
697 | { | |
698 | struct vmw_sid_cmd { | |
699 | SVGA3dCmdHeader header; | |
700 | SVGA3dCmdSurfaceStretchBlt body; | |
701 | } *cmd; | |
702 | int ret; | |
703 | ||
704 | cmd = container_of(header, struct vmw_sid_cmd, header); | |
c0951b79 TH |
705 | ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface, |
706 | user_surface_converter, | |
707 | &cmd->body.src.sid, NULL); | |
fb1d9738 JB |
708 | if (unlikely(ret != 0)) |
709 | return ret; | |
c0951b79 TH |
710 | return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface, |
711 | user_surface_converter, | |
712 | &cmd->body.dest.sid, NULL); | |
fb1d9738 JB |
713 | } |
714 | ||
715 | static int vmw_cmd_blt_surf_screen_check(struct vmw_private *dev_priv, | |
716 | struct vmw_sw_context *sw_context, | |
717 | SVGA3dCmdHeader *header) | |
718 | { | |
719 | struct vmw_sid_cmd { | |
720 | SVGA3dCmdHeader header; | |
721 | SVGA3dCmdBlitSurfaceToScreen body; | |
722 | } *cmd; | |
723 | ||
724 | cmd = container_of(header, struct vmw_sid_cmd, header); | |
0cff60c6 | 725 | |
c0951b79 TH |
726 | return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface, |
727 | user_surface_converter, | |
728 | &cmd->body.srcImage.sid, NULL); | |
fb1d9738 JB |
729 | } |
730 | ||
731 | static int vmw_cmd_present_check(struct vmw_private *dev_priv, | |
732 | struct vmw_sw_context *sw_context, | |
733 | SVGA3dCmdHeader *header) | |
734 | { | |
735 | struct vmw_sid_cmd { | |
736 | SVGA3dCmdHeader header; | |
737 | SVGA3dCmdPresent body; | |
738 | } *cmd; | |
739 | ||
5bb39e81 | 740 | |
fb1d9738 | 741 | cmd = container_of(header, struct vmw_sid_cmd, header); |
0cff60c6 | 742 | |
c0951b79 TH |
743 | return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface, |
744 | user_surface_converter, &cmd->body.sid, | |
745 | NULL); | |
fb1d9738 JB |
746 | } |
747 | ||
e2fa3a76 TH |
748 | /** |
749 | * vmw_query_bo_switch_prepare - Prepare to switch pinned buffer for queries. | |
750 | * | |
751 | * @dev_priv: The device private structure. | |
e2fa3a76 TH |
752 | * @new_query_bo: The new buffer holding query results. |
753 | * @sw_context: The software context used for this command submission. | |
754 | * | |
755 | * This function checks whether @new_query_bo is suitable for holding | |
756 | * query results, and if another buffer currently is pinned for query | |
757 | * results. If so, the function prepares the state of @sw_context for | |
758 | * switching pinned buffers after successful submission of the current | |
c0951b79 | 759 | * command batch. |
e2fa3a76 TH |
760 | */ |
761 | static int vmw_query_bo_switch_prepare(struct vmw_private *dev_priv, | |
e2fa3a76 TH |
762 | struct ttm_buffer_object *new_query_bo, |
763 | struct vmw_sw_context *sw_context) | |
764 | { | |
c0951b79 TH |
765 | struct vmw_res_cache_entry *ctx_entry = |
766 | &sw_context->res_cache[vmw_res_context]; | |
e2fa3a76 | 767 | int ret; |
c0951b79 TH |
768 | |
769 | BUG_ON(!ctx_entry->valid); | |
770 | sw_context->last_query_ctx = ctx_entry->res; | |
e2fa3a76 TH |
771 | |
772 | if (unlikely(new_query_bo != sw_context->cur_query_bo)) { | |
773 | ||
774 | if (unlikely(new_query_bo->num_pages > 4)) { | |
775 | DRM_ERROR("Query buffer too large.\n"); | |
776 | return -EINVAL; | |
777 | } | |
778 | ||
779 | if (unlikely(sw_context->cur_query_bo != NULL)) { | |
c0951b79 | 780 | sw_context->needs_post_query_barrier = true; |
e2fa3a76 TH |
781 | ret = vmw_bo_to_validate_list(sw_context, |
782 | sw_context->cur_query_bo, | |
96c5f0df | 783 | dev_priv->has_mob, NULL); |
e2fa3a76 TH |
784 | if (unlikely(ret != 0)) |
785 | return ret; | |
786 | } | |
787 | sw_context->cur_query_bo = new_query_bo; | |
788 | ||
789 | ret = vmw_bo_to_validate_list(sw_context, | |
790 | dev_priv->dummy_query_bo, | |
96c5f0df | 791 | dev_priv->has_mob, NULL); |
e2fa3a76 TH |
792 | if (unlikely(ret != 0)) |
793 | return ret; | |
794 | ||
795 | } | |
796 | ||
e2fa3a76 TH |
797 | return 0; |
798 | } | |
799 | ||
800 | ||
801 | /** | |
802 | * vmw_query_bo_switch_commit - Finalize switching pinned query buffer | |
803 | * | |
804 | * @dev_priv: The device private structure. | |
805 | * @sw_context: The software context used for this command submission batch. | |
806 | * | |
807 | * This function will check if we're switching query buffers, and will then, | |
e2fa3a76 TH |
808 | * issue a dummy occlusion query wait used as a query barrier. When the fence |
809 | * object following that query wait has signaled, we are sure that all | |
c0951b79 | 810 | * preceding queries have finished, and the old query buffer can be unpinned. |
e2fa3a76 TH |
811 | * However, since both the new query buffer and the old one are fenced with |
812 | * that fence, we can do an asynchronus unpin now, and be sure that the | |
813 | * old query buffer won't be moved until the fence has signaled. | |
814 | * | |
815 | * As mentioned above, both the new - and old query buffers need to be fenced | |
816 | * using a sequence emitted *after* calling this function. | |
817 | */ | |
818 | static void vmw_query_bo_switch_commit(struct vmw_private *dev_priv, | |
819 | struct vmw_sw_context *sw_context) | |
820 | { | |
e2fa3a76 TH |
821 | /* |
822 | * The validate list should still hold references to all | |
823 | * contexts here. | |
824 | */ | |
825 | ||
c0951b79 TH |
826 | if (sw_context->needs_post_query_barrier) { |
827 | struct vmw_res_cache_entry *ctx_entry = | |
828 | &sw_context->res_cache[vmw_res_context]; | |
829 | struct vmw_resource *ctx; | |
830 | int ret; | |
e2fa3a76 | 831 | |
c0951b79 TH |
832 | BUG_ON(!ctx_entry->valid); |
833 | ctx = ctx_entry->res; | |
e2fa3a76 TH |
834 | |
835 | ret = vmw_fifo_emit_dummy_query(dev_priv, ctx->id); | |
836 | ||
837 | if (unlikely(ret != 0)) | |
838 | DRM_ERROR("Out of fifo space for dummy query.\n"); | |
839 | } | |
840 | ||
841 | if (dev_priv->pinned_bo != sw_context->cur_query_bo) { | |
842 | if (dev_priv->pinned_bo) { | |
843 | vmw_bo_pin(dev_priv->pinned_bo, false); | |
844 | ttm_bo_unref(&dev_priv->pinned_bo); | |
845 | } | |
846 | ||
c0951b79 TH |
847 | if (!sw_context->needs_post_query_barrier) { |
848 | vmw_bo_pin(sw_context->cur_query_bo, true); | |
e2fa3a76 | 849 | |
c0951b79 TH |
850 | /* |
851 | * We pin also the dummy_query_bo buffer so that we | |
852 | * don't need to validate it when emitting | |
853 | * dummy queries in context destroy paths. | |
854 | */ | |
e2fa3a76 | 855 | |
c0951b79 TH |
856 | vmw_bo_pin(dev_priv->dummy_query_bo, true); |
857 | dev_priv->dummy_query_bo_pinned = true; | |
e2fa3a76 | 858 | |
c0951b79 TH |
859 | BUG_ON(sw_context->last_query_ctx == NULL); |
860 | dev_priv->query_cid = sw_context->last_query_ctx->id; | |
861 | dev_priv->query_cid_valid = true; | |
862 | dev_priv->pinned_bo = | |
863 | ttm_bo_reference(sw_context->cur_query_bo); | |
864 | } | |
e2fa3a76 TH |
865 | } |
866 | } | |
867 | ||
ddcda24e TH |
868 | /** |
869 | * vmw_translate_mob_pointer - Prepare to translate a user-space buffer | |
870 | * handle to a MOB id. | |
871 | * | |
872 | * @dev_priv: Pointer to a device private structure. | |
873 | * @sw_context: The software context used for this command batch validation. | |
874 | * @id: Pointer to the user-space handle to be translated. | |
875 | * @vmw_bo_p: Points to a location that, on successful return will carry | |
876 | * a reference-counted pointer to the DMA buffer identified by the | |
877 | * user-space handle in @id. | |
878 | * | |
879 | * This function saves information needed to translate a user-space buffer | |
880 | * handle to a MOB id. The translation does not take place immediately, but | |
881 | * during a call to vmw_apply_relocations(). This function builds a relocation | |
882 | * list and a list of buffers to validate. The former needs to be freed using | |
883 | * either vmw_apply_relocations() or vmw_free_relocations(). The latter | |
884 | * needs to be freed using vmw_clear_validations. | |
885 | */ | |
886 | static int vmw_translate_mob_ptr(struct vmw_private *dev_priv, | |
887 | struct vmw_sw_context *sw_context, | |
888 | SVGAMobId *id, | |
889 | struct vmw_dma_buffer **vmw_bo_p) | |
890 | { | |
891 | struct vmw_dma_buffer *vmw_bo = NULL; | |
892 | struct ttm_buffer_object *bo; | |
893 | uint32_t handle = *id; | |
894 | struct vmw_relocation *reloc; | |
895 | int ret; | |
896 | ||
d5bde956 | 897 | ret = vmw_user_dmabuf_lookup(sw_context->fp->tfile, handle, &vmw_bo); |
ddcda24e TH |
898 | if (unlikely(ret != 0)) { |
899 | DRM_ERROR("Could not find or use MOB buffer.\n"); | |
da5efffc CIK |
900 | ret = -EINVAL; |
901 | goto out_no_reloc; | |
ddcda24e TH |
902 | } |
903 | bo = &vmw_bo->base; | |
904 | ||
905 | if (unlikely(sw_context->cur_reloc >= VMWGFX_MAX_RELOCATIONS)) { | |
906 | DRM_ERROR("Max number relocations per submission" | |
907 | " exceeded\n"); | |
908 | ret = -EINVAL; | |
909 | goto out_no_reloc; | |
910 | } | |
911 | ||
912 | reloc = &sw_context->relocs[sw_context->cur_reloc++]; | |
913 | reloc->mob_loc = id; | |
914 | reloc->location = NULL; | |
915 | ||
916 | ret = vmw_bo_to_validate_list(sw_context, bo, true, &reloc->index); | |
917 | if (unlikely(ret != 0)) | |
918 | goto out_no_reloc; | |
919 | ||
920 | *vmw_bo_p = vmw_bo; | |
921 | return 0; | |
922 | ||
923 | out_no_reloc: | |
924 | vmw_dmabuf_unreference(&vmw_bo); | |
da5efffc | 925 | *vmw_bo_p = NULL; |
ddcda24e TH |
926 | return ret; |
927 | } | |
928 | ||
e2fa3a76 | 929 | /** |
c0951b79 TH |
930 | * vmw_translate_guest_pointer - Prepare to translate a user-space buffer |
931 | * handle to a valid SVGAGuestPtr | |
e2fa3a76 | 932 | * |
c0951b79 TH |
933 | * @dev_priv: Pointer to a device private structure. |
934 | * @sw_context: The software context used for this command batch validation. | |
935 | * @ptr: Pointer to the user-space handle to be translated. | |
936 | * @vmw_bo_p: Points to a location that, on successful return will carry | |
937 | * a reference-counted pointer to the DMA buffer identified by the | |
938 | * user-space handle in @id. | |
e2fa3a76 | 939 | * |
c0951b79 TH |
940 | * This function saves information needed to translate a user-space buffer |
941 | * handle to a valid SVGAGuestPtr. The translation does not take place | |
942 | * immediately, but during a call to vmw_apply_relocations(). | |
943 | * This function builds a relocation list and a list of buffers to validate. | |
944 | * The former needs to be freed using either vmw_apply_relocations() or | |
945 | * vmw_free_relocations(). The latter needs to be freed using | |
946 | * vmw_clear_validations. | |
e2fa3a76 | 947 | */ |
4e4ddd47 TH |
948 | static int vmw_translate_guest_ptr(struct vmw_private *dev_priv, |
949 | struct vmw_sw_context *sw_context, | |
950 | SVGAGuestPtr *ptr, | |
951 | struct vmw_dma_buffer **vmw_bo_p) | |
fb1d9738 | 952 | { |
fb1d9738 JB |
953 | struct vmw_dma_buffer *vmw_bo = NULL; |
954 | struct ttm_buffer_object *bo; | |
4e4ddd47 | 955 | uint32_t handle = ptr->gmrId; |
fb1d9738 | 956 | struct vmw_relocation *reloc; |
4e4ddd47 | 957 | int ret; |
fb1d9738 | 958 | |
d5bde956 | 959 | ret = vmw_user_dmabuf_lookup(sw_context->fp->tfile, handle, &vmw_bo); |
fb1d9738 JB |
960 | if (unlikely(ret != 0)) { |
961 | DRM_ERROR("Could not find or use GMR region.\n"); | |
da5efffc CIK |
962 | ret = -EINVAL; |
963 | goto out_no_reloc; | |
fb1d9738 JB |
964 | } |
965 | bo = &vmw_bo->base; | |
966 | ||
967 | if (unlikely(sw_context->cur_reloc >= VMWGFX_MAX_RELOCATIONS)) { | |
4e4ddd47 | 968 | DRM_ERROR("Max number relocations per submission" |
fb1d9738 JB |
969 | " exceeded\n"); |
970 | ret = -EINVAL; | |
971 | goto out_no_reloc; | |
972 | } | |
973 | ||
974 | reloc = &sw_context->relocs[sw_context->cur_reloc++]; | |
4e4ddd47 | 975 | reloc->location = ptr; |
fb1d9738 | 976 | |
96c5f0df | 977 | ret = vmw_bo_to_validate_list(sw_context, bo, false, &reloc->index); |
e2fa3a76 | 978 | if (unlikely(ret != 0)) |
fb1d9738 | 979 | goto out_no_reloc; |
fb1d9738 | 980 | |
4e4ddd47 TH |
981 | *vmw_bo_p = vmw_bo; |
982 | return 0; | |
983 | ||
984 | out_no_reloc: | |
985 | vmw_dmabuf_unreference(&vmw_bo); | |
da5efffc | 986 | *vmw_bo_p = NULL; |
4e4ddd47 TH |
987 | return ret; |
988 | } | |
989 | ||
ddcda24e TH |
990 | /** |
991 | * vmw_cmd_begin_gb_query - validate a SVGA_3D_CMD_BEGIN_GB_QUERY command. | |
992 | * | |
993 | * @dev_priv: Pointer to a device private struct. | |
994 | * @sw_context: The software context used for this command submission. | |
995 | * @header: Pointer to the command header in the command stream. | |
996 | */ | |
997 | static int vmw_cmd_begin_gb_query(struct vmw_private *dev_priv, | |
998 | struct vmw_sw_context *sw_context, | |
999 | SVGA3dCmdHeader *header) | |
1000 | { | |
1001 | struct vmw_begin_gb_query_cmd { | |
1002 | SVGA3dCmdHeader header; | |
1003 | SVGA3dCmdBeginGBQuery q; | |
1004 | } *cmd; | |
1005 | ||
1006 | cmd = container_of(header, struct vmw_begin_gb_query_cmd, | |
1007 | header); | |
1008 | ||
1009 | return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context, | |
1010 | user_context_converter, &cmd->q.cid, | |
1011 | NULL); | |
1012 | } | |
1013 | ||
c0951b79 TH |
1014 | /** |
1015 | * vmw_cmd_begin_query - validate a SVGA_3D_CMD_BEGIN_QUERY command. | |
1016 | * | |
1017 | * @dev_priv: Pointer to a device private struct. | |
1018 | * @sw_context: The software context used for this command submission. | |
1019 | * @header: Pointer to the command header in the command stream. | |
1020 | */ | |
1021 | static int vmw_cmd_begin_query(struct vmw_private *dev_priv, | |
1022 | struct vmw_sw_context *sw_context, | |
1023 | SVGA3dCmdHeader *header) | |
1024 | { | |
1025 | struct vmw_begin_query_cmd { | |
1026 | SVGA3dCmdHeader header; | |
1027 | SVGA3dCmdBeginQuery q; | |
1028 | } *cmd; | |
1029 | ||
1030 | cmd = container_of(header, struct vmw_begin_query_cmd, | |
1031 | header); | |
1032 | ||
ddcda24e TH |
1033 | if (unlikely(dev_priv->has_mob)) { |
1034 | struct { | |
1035 | SVGA3dCmdHeader header; | |
1036 | SVGA3dCmdBeginGBQuery q; | |
1037 | } gb_cmd; | |
1038 | ||
1039 | BUG_ON(sizeof(gb_cmd) != sizeof(*cmd)); | |
1040 | ||
1041 | gb_cmd.header.id = SVGA_3D_CMD_BEGIN_GB_QUERY; | |
1042 | gb_cmd.header.size = cmd->header.size; | |
1043 | gb_cmd.q.cid = cmd->q.cid; | |
1044 | gb_cmd.q.type = cmd->q.type; | |
1045 | ||
1046 | memcpy(cmd, &gb_cmd, sizeof(*cmd)); | |
1047 | return vmw_cmd_begin_gb_query(dev_priv, sw_context, header); | |
1048 | } | |
1049 | ||
c0951b79 TH |
1050 | return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context, |
1051 | user_context_converter, &cmd->q.cid, | |
1052 | NULL); | |
1053 | } | |
1054 | ||
ddcda24e TH |
1055 | /** |
1056 | * vmw_cmd_end_gb_query - validate a SVGA_3D_CMD_END_GB_QUERY command. | |
1057 | * | |
1058 | * @dev_priv: Pointer to a device private struct. | |
1059 | * @sw_context: The software context used for this command submission. | |
1060 | * @header: Pointer to the command header in the command stream. | |
1061 | */ | |
1062 | static int vmw_cmd_end_gb_query(struct vmw_private *dev_priv, | |
1063 | struct vmw_sw_context *sw_context, | |
1064 | SVGA3dCmdHeader *header) | |
1065 | { | |
1066 | struct vmw_dma_buffer *vmw_bo; | |
1067 | struct vmw_query_cmd { | |
1068 | SVGA3dCmdHeader header; | |
1069 | SVGA3dCmdEndGBQuery q; | |
1070 | } *cmd; | |
1071 | int ret; | |
1072 | ||
1073 | cmd = container_of(header, struct vmw_query_cmd, header); | |
1074 | ret = vmw_cmd_cid_check(dev_priv, sw_context, header); | |
1075 | if (unlikely(ret != 0)) | |
1076 | return ret; | |
1077 | ||
1078 | ret = vmw_translate_mob_ptr(dev_priv, sw_context, | |
1079 | &cmd->q.mobid, | |
1080 | &vmw_bo); | |
1081 | if (unlikely(ret != 0)) | |
1082 | return ret; | |
1083 | ||
1084 | ret = vmw_query_bo_switch_prepare(dev_priv, &vmw_bo->base, sw_context); | |
1085 | ||
1086 | vmw_dmabuf_unreference(&vmw_bo); | |
1087 | return ret; | |
1088 | } | |
1089 | ||
c0951b79 TH |
1090 | /** |
1091 | * vmw_cmd_end_query - validate a SVGA_3D_CMD_END_QUERY command. | |
1092 | * | |
1093 | * @dev_priv: Pointer to a device private struct. | |
1094 | * @sw_context: The software context used for this command submission. | |
1095 | * @header: Pointer to the command header in the command stream. | |
1096 | */ | |
4e4ddd47 TH |
1097 | static int vmw_cmd_end_query(struct vmw_private *dev_priv, |
1098 | struct vmw_sw_context *sw_context, | |
1099 | SVGA3dCmdHeader *header) | |
1100 | { | |
1101 | struct vmw_dma_buffer *vmw_bo; | |
1102 | struct vmw_query_cmd { | |
1103 | SVGA3dCmdHeader header; | |
1104 | SVGA3dCmdEndQuery q; | |
1105 | } *cmd; | |
1106 | int ret; | |
1107 | ||
1108 | cmd = container_of(header, struct vmw_query_cmd, header); | |
ddcda24e TH |
1109 | if (dev_priv->has_mob) { |
1110 | struct { | |
1111 | SVGA3dCmdHeader header; | |
1112 | SVGA3dCmdEndGBQuery q; | |
1113 | } gb_cmd; | |
1114 | ||
1115 | BUG_ON(sizeof(gb_cmd) != sizeof(*cmd)); | |
1116 | ||
1117 | gb_cmd.header.id = SVGA_3D_CMD_END_GB_QUERY; | |
1118 | gb_cmd.header.size = cmd->header.size; | |
1119 | gb_cmd.q.cid = cmd->q.cid; | |
1120 | gb_cmd.q.type = cmd->q.type; | |
1121 | gb_cmd.q.mobid = cmd->q.guestResult.gmrId; | |
1122 | gb_cmd.q.offset = cmd->q.guestResult.offset; | |
1123 | ||
1124 | memcpy(cmd, &gb_cmd, sizeof(*cmd)); | |
1125 | return vmw_cmd_end_gb_query(dev_priv, sw_context, header); | |
1126 | } | |
1127 | ||
4e4ddd47 TH |
1128 | ret = vmw_cmd_cid_check(dev_priv, sw_context, header); |
1129 | if (unlikely(ret != 0)) | |
1130 | return ret; | |
1131 | ||
1132 | ret = vmw_translate_guest_ptr(dev_priv, sw_context, | |
1133 | &cmd->q.guestResult, | |
1134 | &vmw_bo); | |
1135 | if (unlikely(ret != 0)) | |
1136 | return ret; | |
1137 | ||
c0951b79 | 1138 | ret = vmw_query_bo_switch_prepare(dev_priv, &vmw_bo->base, sw_context); |
e2fa3a76 | 1139 | |
4e4ddd47 | 1140 | vmw_dmabuf_unreference(&vmw_bo); |
e2fa3a76 | 1141 | return ret; |
4e4ddd47 | 1142 | } |
fb1d9738 | 1143 | |
ddcda24e TH |
1144 | /** |
1145 | * vmw_cmd_wait_gb_query - validate a SVGA_3D_CMD_WAIT_GB_QUERY command. | |
1146 | * | |
1147 | * @dev_priv: Pointer to a device private struct. | |
1148 | * @sw_context: The software context used for this command submission. | |
1149 | * @header: Pointer to the command header in the command stream. | |
1150 | */ | |
1151 | static int vmw_cmd_wait_gb_query(struct vmw_private *dev_priv, | |
1152 | struct vmw_sw_context *sw_context, | |
1153 | SVGA3dCmdHeader *header) | |
1154 | { | |
1155 | struct vmw_dma_buffer *vmw_bo; | |
1156 | struct vmw_query_cmd { | |
1157 | SVGA3dCmdHeader header; | |
1158 | SVGA3dCmdWaitForGBQuery q; | |
1159 | } *cmd; | |
1160 | int ret; | |
1161 | ||
1162 | cmd = container_of(header, struct vmw_query_cmd, header); | |
1163 | ret = vmw_cmd_cid_check(dev_priv, sw_context, header); | |
1164 | if (unlikely(ret != 0)) | |
1165 | return ret; | |
1166 | ||
1167 | ret = vmw_translate_mob_ptr(dev_priv, sw_context, | |
1168 | &cmd->q.mobid, | |
1169 | &vmw_bo); | |
1170 | if (unlikely(ret != 0)) | |
1171 | return ret; | |
1172 | ||
1173 | vmw_dmabuf_unreference(&vmw_bo); | |
1174 | return 0; | |
1175 | } | |
1176 | ||
1177 | /** | |
c0951b79 TH |
1178 | * vmw_cmd_wait_query - validate a SVGA_3D_CMD_WAIT_QUERY command. |
1179 | * | |
1180 | * @dev_priv: Pointer to a device private struct. | |
1181 | * @sw_context: The software context used for this command submission. | |
1182 | * @header: Pointer to the command header in the command stream. | |
1183 | */ | |
4e4ddd47 TH |
1184 | static int vmw_cmd_wait_query(struct vmw_private *dev_priv, |
1185 | struct vmw_sw_context *sw_context, | |
1186 | SVGA3dCmdHeader *header) | |
1187 | { | |
1188 | struct vmw_dma_buffer *vmw_bo; | |
1189 | struct vmw_query_cmd { | |
1190 | SVGA3dCmdHeader header; | |
1191 | SVGA3dCmdWaitForQuery q; | |
1192 | } *cmd; | |
1193 | int ret; | |
1194 | ||
1195 | cmd = container_of(header, struct vmw_query_cmd, header); | |
ddcda24e TH |
1196 | if (dev_priv->has_mob) { |
1197 | struct { | |
1198 | SVGA3dCmdHeader header; | |
1199 | SVGA3dCmdWaitForGBQuery q; | |
1200 | } gb_cmd; | |
1201 | ||
1202 | BUG_ON(sizeof(gb_cmd) != sizeof(*cmd)); | |
1203 | ||
1204 | gb_cmd.header.id = SVGA_3D_CMD_WAIT_FOR_GB_QUERY; | |
1205 | gb_cmd.header.size = cmd->header.size; | |
1206 | gb_cmd.q.cid = cmd->q.cid; | |
1207 | gb_cmd.q.type = cmd->q.type; | |
1208 | gb_cmd.q.mobid = cmd->q.guestResult.gmrId; | |
1209 | gb_cmd.q.offset = cmd->q.guestResult.offset; | |
1210 | ||
1211 | memcpy(cmd, &gb_cmd, sizeof(*cmd)); | |
1212 | return vmw_cmd_wait_gb_query(dev_priv, sw_context, header); | |
1213 | } | |
1214 | ||
4e4ddd47 TH |
1215 | ret = vmw_cmd_cid_check(dev_priv, sw_context, header); |
1216 | if (unlikely(ret != 0)) | |
1217 | return ret; | |
1218 | ||
1219 | ret = vmw_translate_guest_ptr(dev_priv, sw_context, | |
1220 | &cmd->q.guestResult, | |
1221 | &vmw_bo); | |
1222 | if (unlikely(ret != 0)) | |
1223 | return ret; | |
1224 | ||
1225 | vmw_dmabuf_unreference(&vmw_bo); | |
1226 | return 0; | |
1227 | } | |
1228 | ||
4e4ddd47 TH |
1229 | static int vmw_cmd_dma(struct vmw_private *dev_priv, |
1230 | struct vmw_sw_context *sw_context, | |
1231 | SVGA3dCmdHeader *header) | |
1232 | { | |
1233 | struct vmw_dma_buffer *vmw_bo = NULL; | |
4e4ddd47 TH |
1234 | struct vmw_surface *srf = NULL; |
1235 | struct vmw_dma_cmd { | |
1236 | SVGA3dCmdHeader header; | |
1237 | SVGA3dCmdSurfaceDMA dma; | |
1238 | } *cmd; | |
1239 | int ret; | |
cbd75e97 TH |
1240 | SVGA3dCmdSurfaceDMASuffix *suffix; |
1241 | uint32_t bo_size; | |
4e4ddd47 TH |
1242 | |
1243 | cmd = container_of(header, struct vmw_dma_cmd, header); | |
cbd75e97 TH |
1244 | suffix = (SVGA3dCmdSurfaceDMASuffix *)((unsigned long) &cmd->dma + |
1245 | header->size - sizeof(*suffix)); | |
1246 | ||
1247 | /* Make sure device and verifier stays in sync. */ | |
1248 | if (unlikely(suffix->suffixSize != sizeof(*suffix))) { | |
1249 | DRM_ERROR("Invalid DMA suffix size.\n"); | |
1250 | return -EINVAL; | |
1251 | } | |
1252 | ||
4e4ddd47 TH |
1253 | ret = vmw_translate_guest_ptr(dev_priv, sw_context, |
1254 | &cmd->dma.guest.ptr, | |
1255 | &vmw_bo); | |
1256 | if (unlikely(ret != 0)) | |
1257 | return ret; | |
1258 | ||
cbd75e97 TH |
1259 | /* Make sure DMA doesn't cross BO boundaries. */ |
1260 | bo_size = vmw_bo->base.num_pages * PAGE_SIZE; | |
1261 | if (unlikely(cmd->dma.guest.ptr.offset > bo_size)) { | |
1262 | DRM_ERROR("Invalid DMA offset.\n"); | |
1263 | return -EINVAL; | |
1264 | } | |
1265 | ||
1266 | bo_size -= cmd->dma.guest.ptr.offset; | |
1267 | if (unlikely(suffix->maximumOffset > bo_size)) | |
1268 | suffix->maximumOffset = bo_size; | |
1269 | ||
f89c6c32 | 1270 | if (sw_context->quirks & VMW_QUIRK_DST_SID_OK) |
c9146cd9 TH |
1271 | goto out_no_surface; |
1272 | ||
c0951b79 TH |
1273 | ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface, |
1274 | user_surface_converter, &cmd->dma.host.sid, | |
1275 | NULL); | |
5bb39e81 | 1276 | if (unlikely(ret != 0)) { |
c0951b79 TH |
1277 | if (unlikely(ret != -ERESTARTSYS)) |
1278 | DRM_ERROR("could not find surface for DMA.\n"); | |
1279 | goto out_no_surface; | |
5bb39e81 TH |
1280 | } |
1281 | ||
c0951b79 | 1282 | srf = vmw_res_to_srf(sw_context->res_cache[vmw_res_surface].res); |
f18c8840 | 1283 | |
d5bde956 TH |
1284 | vmw_kms_cursor_snoop(srf, sw_context->fp->tfile, &vmw_bo->base, |
1285 | header); | |
fb1d9738 | 1286 | |
c0951b79 | 1287 | out_no_surface: |
fb1d9738 JB |
1288 | vmw_dmabuf_unreference(&vmw_bo); |
1289 | return ret; | |
1290 | } | |
1291 | ||
7a73ba74 TH |
1292 | static int vmw_cmd_draw(struct vmw_private *dev_priv, |
1293 | struct vmw_sw_context *sw_context, | |
1294 | SVGA3dCmdHeader *header) | |
1295 | { | |
1296 | struct vmw_draw_cmd { | |
1297 | SVGA3dCmdHeader header; | |
1298 | SVGA3dCmdDrawPrimitives body; | |
1299 | } *cmd; | |
1300 | SVGA3dVertexDecl *decl = (SVGA3dVertexDecl *)( | |
1301 | (unsigned long)header + sizeof(*cmd)); | |
1302 | SVGA3dPrimitiveRange *range; | |
1303 | uint32_t i; | |
1304 | uint32_t maxnum; | |
1305 | int ret; | |
1306 | ||
1307 | ret = vmw_cmd_cid_check(dev_priv, sw_context, header); | |
1308 | if (unlikely(ret != 0)) | |
1309 | return ret; | |
1310 | ||
1311 | cmd = container_of(header, struct vmw_draw_cmd, header); | |
1312 | maxnum = (header->size - sizeof(cmd->body)) / sizeof(*decl); | |
1313 | ||
1314 | if (unlikely(cmd->body.numVertexDecls > maxnum)) { | |
1315 | DRM_ERROR("Illegal number of vertex declarations.\n"); | |
1316 | return -EINVAL; | |
1317 | } | |
1318 | ||
1319 | for (i = 0; i < cmd->body.numVertexDecls; ++i, ++decl) { | |
c0951b79 TH |
1320 | ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface, |
1321 | user_surface_converter, | |
1322 | &decl->array.surfaceId, NULL); | |
7a73ba74 TH |
1323 | if (unlikely(ret != 0)) |
1324 | return ret; | |
1325 | } | |
1326 | ||
1327 | maxnum = (header->size - sizeof(cmd->body) - | |
1328 | cmd->body.numVertexDecls * sizeof(*decl)) / sizeof(*range); | |
1329 | if (unlikely(cmd->body.numRanges > maxnum)) { | |
1330 | DRM_ERROR("Illegal number of index ranges.\n"); | |
1331 | return -EINVAL; | |
1332 | } | |
1333 | ||
1334 | range = (SVGA3dPrimitiveRange *) decl; | |
1335 | for (i = 0; i < cmd->body.numRanges; ++i, ++range) { | |
c0951b79 TH |
1336 | ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface, |
1337 | user_surface_converter, | |
1338 | &range->indexArray.surfaceId, NULL); | |
7a73ba74 TH |
1339 | if (unlikely(ret != 0)) |
1340 | return ret; | |
1341 | } | |
1342 | return 0; | |
1343 | } | |
1344 | ||
1345 | ||
1346 | static int vmw_cmd_tex_state(struct vmw_private *dev_priv, | |
1347 | struct vmw_sw_context *sw_context, | |
1348 | SVGA3dCmdHeader *header) | |
1349 | { | |
1350 | struct vmw_tex_state_cmd { | |
1351 | SVGA3dCmdHeader header; | |
1352 | SVGA3dCmdSetTextureState state; | |
b5c3b1a6 | 1353 | } *cmd; |
7a73ba74 TH |
1354 | |
1355 | SVGA3dTextureState *last_state = (SVGA3dTextureState *) | |
1356 | ((unsigned long) header + header->size + sizeof(header)); | |
1357 | SVGA3dTextureState *cur_state = (SVGA3dTextureState *) | |
1358 | ((unsigned long) header + sizeof(struct vmw_tex_state_cmd)); | |
b5c3b1a6 | 1359 | struct vmw_resource_val_node *ctx_node; |
173fb7d4 | 1360 | struct vmw_resource_val_node *res_node; |
7a73ba74 TH |
1361 | int ret; |
1362 | ||
b5c3b1a6 TH |
1363 | cmd = container_of(header, struct vmw_tex_state_cmd, |
1364 | header); | |
1365 | ||
1366 | ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context, | |
1367 | user_context_converter, &cmd->state.cid, | |
1368 | &ctx_node); | |
7a73ba74 TH |
1369 | if (unlikely(ret != 0)) |
1370 | return ret; | |
1371 | ||
1372 | for (; cur_state < last_state; ++cur_state) { | |
1373 | if (likely(cur_state->name != SVGA3D_TS_BIND_TEXTURE)) | |
1374 | continue; | |
1375 | ||
c0951b79 TH |
1376 | ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface, |
1377 | user_surface_converter, | |
173fb7d4 | 1378 | &cur_state->value, &res_node); |
7a73ba74 TH |
1379 | if (unlikely(ret != 0)) |
1380 | return ret; | |
b5c3b1a6 TH |
1381 | |
1382 | if (dev_priv->has_mob) { | |
1383 | struct vmw_ctx_bindinfo bi; | |
1384 | ||
1385 | bi.ctx = ctx_node->res; | |
173fb7d4 | 1386 | bi.res = res_node ? res_node->res : NULL; |
b5c3b1a6 TH |
1387 | bi.bt = vmw_ctx_binding_tex; |
1388 | bi.i1.texture_stage = cur_state->stage; | |
1389 | vmw_context_binding_add(ctx_node->staged_bindings, | |
1390 | &bi); | |
1391 | } | |
7a73ba74 TH |
1392 | } |
1393 | ||
1394 | return 0; | |
1395 | } | |
1396 | ||
4084fb89 JB |
1397 | static int vmw_cmd_check_define_gmrfb(struct vmw_private *dev_priv, |
1398 | struct vmw_sw_context *sw_context, | |
1399 | void *buf) | |
1400 | { | |
1401 | struct vmw_dma_buffer *vmw_bo; | |
1402 | int ret; | |
1403 | ||
1404 | struct { | |
1405 | uint32_t header; | |
1406 | SVGAFifoCmdDefineGMRFB body; | |
1407 | } *cmd = buf; | |
1408 | ||
1409 | ret = vmw_translate_guest_ptr(dev_priv, sw_context, | |
1410 | &cmd->body.ptr, | |
1411 | &vmw_bo); | |
1412 | if (unlikely(ret != 0)) | |
1413 | return ret; | |
1414 | ||
1415 | vmw_dmabuf_unreference(&vmw_bo); | |
1416 | ||
1417 | return ret; | |
1418 | } | |
1419 | ||
a97e2192 TH |
1420 | /** |
1421 | * vmw_cmd_switch_backup - Utility function to handle backup buffer switching | |
1422 | * | |
1423 | * @dev_priv: Pointer to a device private struct. | |
1424 | * @sw_context: The software context being used for this batch. | |
1425 | * @res_type: The resource type. | |
1426 | * @converter: Information about user-space binding for this resource type. | |
1427 | * @res_id: Pointer to the user-space resource handle in the command stream. | |
1428 | * @buf_id: Pointer to the user-space backup buffer handle in the command | |
1429 | * stream. | |
1430 | * @backup_offset: Offset of backup into MOB. | |
1431 | * | |
1432 | * This function prepares for registering a switch of backup buffers | |
1433 | * in the resource metadata just prior to unreserving. | |
1434 | */ | |
1435 | static int vmw_cmd_switch_backup(struct vmw_private *dev_priv, | |
1436 | struct vmw_sw_context *sw_context, | |
1437 | enum vmw_res_type res_type, | |
1438 | const struct vmw_user_resource_conv | |
1439 | *converter, | |
1440 | uint32_t *res_id, | |
1441 | uint32_t *buf_id, | |
1442 | unsigned long backup_offset) | |
1443 | { | |
1444 | int ret; | |
1445 | struct vmw_dma_buffer *dma_buf; | |
1446 | struct vmw_resource_val_node *val_node; | |
1447 | ||
1448 | ret = vmw_cmd_res_check(dev_priv, sw_context, res_type, | |
1449 | converter, res_id, &val_node); | |
1450 | if (unlikely(ret != 0)) | |
1451 | return ret; | |
1452 | ||
1453 | ret = vmw_translate_mob_ptr(dev_priv, sw_context, buf_id, &dma_buf); | |
1454 | if (unlikely(ret != 0)) | |
1455 | return ret; | |
1456 | ||
1457 | if (val_node->first_usage) | |
1458 | val_node->no_buffer_needed = true; | |
1459 | ||
1460 | vmw_dmabuf_unreference(&val_node->new_backup); | |
1461 | val_node->new_backup = dma_buf; | |
1462 | val_node->new_backup_offset = backup_offset; | |
1463 | ||
1464 | return 0; | |
1465 | } | |
1466 | ||
1467 | /** | |
1468 | * vmw_cmd_bind_gb_surface - Validate an SVGA_3D_CMD_BIND_GB_SURFACE | |
1469 | * command | |
1470 | * | |
1471 | * @dev_priv: Pointer to a device private struct. | |
1472 | * @sw_context: The software context being used for this batch. | |
1473 | * @header: Pointer to the command header in the command stream. | |
1474 | */ | |
1475 | static int vmw_cmd_bind_gb_surface(struct vmw_private *dev_priv, | |
1476 | struct vmw_sw_context *sw_context, | |
1477 | SVGA3dCmdHeader *header) | |
1478 | { | |
1479 | struct vmw_bind_gb_surface_cmd { | |
1480 | SVGA3dCmdHeader header; | |
1481 | SVGA3dCmdBindGBSurface body; | |
1482 | } *cmd; | |
1483 | ||
1484 | cmd = container_of(header, struct vmw_bind_gb_surface_cmd, header); | |
1485 | ||
1486 | return vmw_cmd_switch_backup(dev_priv, sw_context, vmw_res_surface, | |
1487 | user_surface_converter, | |
1488 | &cmd->body.sid, &cmd->body.mobid, | |
1489 | 0); | |
1490 | } | |
1491 | ||
1492 | /** | |
1493 | * vmw_cmd_update_gb_image - Validate an SVGA_3D_CMD_UPDATE_GB_IMAGE | |
1494 | * command | |
1495 | * | |
1496 | * @dev_priv: Pointer to a device private struct. | |
1497 | * @sw_context: The software context being used for this batch. | |
1498 | * @header: Pointer to the command header in the command stream. | |
1499 | */ | |
1500 | static int vmw_cmd_update_gb_image(struct vmw_private *dev_priv, | |
1501 | struct vmw_sw_context *sw_context, | |
1502 | SVGA3dCmdHeader *header) | |
1503 | { | |
1504 | struct vmw_gb_surface_cmd { | |
1505 | SVGA3dCmdHeader header; | |
1506 | SVGA3dCmdUpdateGBImage body; | |
1507 | } *cmd; | |
1508 | ||
1509 | cmd = container_of(header, struct vmw_gb_surface_cmd, header); | |
1510 | ||
f89c6c32 SY |
1511 | if (sw_context->quirks & VMW_QUIRK_SRC_SID_OK) |
1512 | return 0; | |
1513 | ||
a97e2192 TH |
1514 | return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface, |
1515 | user_surface_converter, | |
1516 | &cmd->body.image.sid, NULL); | |
1517 | } | |
1518 | ||
1519 | /** | |
1520 | * vmw_cmd_update_gb_surface - Validate an SVGA_3D_CMD_UPDATE_GB_SURFACE | |
1521 | * command | |
1522 | * | |
1523 | * @dev_priv: Pointer to a device private struct. | |
1524 | * @sw_context: The software context being used for this batch. | |
1525 | * @header: Pointer to the command header in the command stream. | |
1526 | */ | |
1527 | static int vmw_cmd_update_gb_surface(struct vmw_private *dev_priv, | |
1528 | struct vmw_sw_context *sw_context, | |
1529 | SVGA3dCmdHeader *header) | |
1530 | { | |
1531 | struct vmw_gb_surface_cmd { | |
1532 | SVGA3dCmdHeader header; | |
1533 | SVGA3dCmdUpdateGBSurface body; | |
1534 | } *cmd; | |
1535 | ||
1536 | cmd = container_of(header, struct vmw_gb_surface_cmd, header); | |
1537 | ||
1538 | return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface, | |
1539 | user_surface_converter, | |
1540 | &cmd->body.sid, NULL); | |
1541 | } | |
1542 | ||
1543 | /** | |
1544 | * vmw_cmd_readback_gb_image - Validate an SVGA_3D_CMD_READBACK_GB_IMAGE | |
1545 | * command | |
1546 | * | |
1547 | * @dev_priv: Pointer to a device private struct. | |
1548 | * @sw_context: The software context being used for this batch. | |
1549 | * @header: Pointer to the command header in the command stream. | |
1550 | */ | |
1551 | static int vmw_cmd_readback_gb_image(struct vmw_private *dev_priv, | |
1552 | struct vmw_sw_context *sw_context, | |
1553 | SVGA3dCmdHeader *header) | |
1554 | { | |
1555 | struct vmw_gb_surface_cmd { | |
1556 | SVGA3dCmdHeader header; | |
1557 | SVGA3dCmdReadbackGBImage body; | |
1558 | } *cmd; | |
1559 | ||
1560 | cmd = container_of(header, struct vmw_gb_surface_cmd, header); | |
1561 | ||
1562 | return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface, | |
1563 | user_surface_converter, | |
1564 | &cmd->body.image.sid, NULL); | |
1565 | } | |
1566 | ||
1567 | /** | |
1568 | * vmw_cmd_readback_gb_surface - Validate an SVGA_3D_CMD_READBACK_GB_SURFACE | |
1569 | * command | |
1570 | * | |
1571 | * @dev_priv: Pointer to a device private struct. | |
1572 | * @sw_context: The software context being used for this batch. | |
1573 | * @header: Pointer to the command header in the command stream. | |
1574 | */ | |
1575 | static int vmw_cmd_readback_gb_surface(struct vmw_private *dev_priv, | |
1576 | struct vmw_sw_context *sw_context, | |
1577 | SVGA3dCmdHeader *header) | |
1578 | { | |
1579 | struct vmw_gb_surface_cmd { | |
1580 | SVGA3dCmdHeader header; | |
1581 | SVGA3dCmdReadbackGBSurface body; | |
1582 | } *cmd; | |
1583 | ||
1584 | cmd = container_of(header, struct vmw_gb_surface_cmd, header); | |
1585 | ||
1586 | return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface, | |
1587 | user_surface_converter, | |
1588 | &cmd->body.sid, NULL); | |
1589 | } | |
1590 | ||
1591 | /** | |
1592 | * vmw_cmd_invalidate_gb_image - Validate an SVGA_3D_CMD_INVALIDATE_GB_IMAGE | |
1593 | * command | |
1594 | * | |
1595 | * @dev_priv: Pointer to a device private struct. | |
1596 | * @sw_context: The software context being used for this batch. | |
1597 | * @header: Pointer to the command header in the command stream. | |
1598 | */ | |
1599 | static int vmw_cmd_invalidate_gb_image(struct vmw_private *dev_priv, | |
1600 | struct vmw_sw_context *sw_context, | |
1601 | SVGA3dCmdHeader *header) | |
1602 | { | |
1603 | struct vmw_gb_surface_cmd { | |
1604 | SVGA3dCmdHeader header; | |
1605 | SVGA3dCmdInvalidateGBImage body; | |
1606 | } *cmd; | |
1607 | ||
1608 | cmd = container_of(header, struct vmw_gb_surface_cmd, header); | |
1609 | ||
1610 | return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface, | |
1611 | user_surface_converter, | |
1612 | &cmd->body.image.sid, NULL); | |
1613 | } | |
1614 | ||
1615 | /** | |
1616 | * vmw_cmd_invalidate_gb_surface - Validate an | |
1617 | * SVGA_3D_CMD_INVALIDATE_GB_SURFACE command | |
1618 | * | |
1619 | * @dev_priv: Pointer to a device private struct. | |
1620 | * @sw_context: The software context being used for this batch. | |
1621 | * @header: Pointer to the command header in the command stream. | |
1622 | */ | |
1623 | static int vmw_cmd_invalidate_gb_surface(struct vmw_private *dev_priv, | |
1624 | struct vmw_sw_context *sw_context, | |
1625 | SVGA3dCmdHeader *header) | |
1626 | { | |
1627 | struct vmw_gb_surface_cmd { | |
1628 | SVGA3dCmdHeader header; | |
1629 | SVGA3dCmdInvalidateGBSurface body; | |
1630 | } *cmd; | |
1631 | ||
1632 | cmd = container_of(header, struct vmw_gb_surface_cmd, header); | |
1633 | ||
1634 | return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface, | |
1635 | user_surface_converter, | |
1636 | &cmd->body.sid, NULL); | |
1637 | } | |
1638 | ||
d5bde956 TH |
1639 | |
1640 | /** | |
1641 | * vmw_cmd_shader_define - Validate an SVGA_3D_CMD_SHADER_DEFINE | |
1642 | * command | |
1643 | * | |
1644 | * @dev_priv: Pointer to a device private struct. | |
1645 | * @sw_context: The software context being used for this batch. | |
1646 | * @header: Pointer to the command header in the command stream. | |
1647 | */ | |
1648 | static int vmw_cmd_shader_define(struct vmw_private *dev_priv, | |
1649 | struct vmw_sw_context *sw_context, | |
1650 | SVGA3dCmdHeader *header) | |
1651 | { | |
1652 | struct vmw_shader_define_cmd { | |
1653 | SVGA3dCmdHeader header; | |
1654 | SVGA3dCmdDefineShader body; | |
1655 | } *cmd; | |
1656 | int ret; | |
1657 | size_t size; | |
18e4a466 | 1658 | struct vmw_resource_val_node *val; |
d5bde956 TH |
1659 | |
1660 | cmd = container_of(header, struct vmw_shader_define_cmd, | |
1661 | header); | |
1662 | ||
1663 | ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context, | |
1664 | user_context_converter, &cmd->body.cid, | |
18e4a466 | 1665 | &val); |
d5bde956 TH |
1666 | if (unlikely(ret != 0)) |
1667 | return ret; | |
1668 | ||
1669 | if (unlikely(!dev_priv->has_mob)) | |
1670 | return 0; | |
1671 | ||
1672 | size = cmd->header.size - sizeof(cmd->body); | |
18e4a466 TH |
1673 | ret = vmw_compat_shader_add(dev_priv, |
1674 | vmw_context_res_man(val->res), | |
d5bde956 TH |
1675 | cmd->body.shid, cmd + 1, |
1676 | cmd->body.type, size, | |
18e4a466 | 1677 | &sw_context->staged_cmd_res); |
d5bde956 TH |
1678 | if (unlikely(ret != 0)) |
1679 | return ret; | |
1680 | ||
1681 | return vmw_resource_relocation_add(&sw_context->res_relocations, | |
1682 | NULL, &cmd->header.id - | |
1683 | sw_context->buf_start); | |
1684 | ||
1685 | return 0; | |
1686 | } | |
1687 | ||
1688 | /** | |
1689 | * vmw_cmd_shader_destroy - Validate an SVGA_3D_CMD_SHADER_DESTROY | |
1690 | * command | |
1691 | * | |
1692 | * @dev_priv: Pointer to a device private struct. | |
1693 | * @sw_context: The software context being used for this batch. | |
1694 | * @header: Pointer to the command header in the command stream. | |
1695 | */ | |
1696 | static int vmw_cmd_shader_destroy(struct vmw_private *dev_priv, | |
1697 | struct vmw_sw_context *sw_context, | |
1698 | SVGA3dCmdHeader *header) | |
1699 | { | |
1700 | struct vmw_shader_destroy_cmd { | |
1701 | SVGA3dCmdHeader header; | |
1702 | SVGA3dCmdDestroyShader body; | |
1703 | } *cmd; | |
1704 | int ret; | |
18e4a466 | 1705 | struct vmw_resource_val_node *val; |
d5bde956 TH |
1706 | |
1707 | cmd = container_of(header, struct vmw_shader_destroy_cmd, | |
1708 | header); | |
1709 | ||
1710 | ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context, | |
1711 | user_context_converter, &cmd->body.cid, | |
18e4a466 | 1712 | &val); |
d5bde956 TH |
1713 | if (unlikely(ret != 0)) |
1714 | return ret; | |
1715 | ||
1716 | if (unlikely(!dev_priv->has_mob)) | |
1717 | return 0; | |
1718 | ||
18e4a466 | 1719 | ret = vmw_compat_shader_remove(vmw_context_res_man(val->res), |
d5bde956 TH |
1720 | cmd->body.shid, |
1721 | cmd->body.type, | |
18e4a466 | 1722 | &sw_context->staged_cmd_res); |
d5bde956 TH |
1723 | if (unlikely(ret != 0)) |
1724 | return ret; | |
1725 | ||
1726 | return vmw_resource_relocation_add(&sw_context->res_relocations, | |
1727 | NULL, &cmd->header.id - | |
1728 | sw_context->buf_start); | |
1729 | ||
1730 | return 0; | |
1731 | } | |
1732 | ||
c0951b79 TH |
1733 | /** |
1734 | * vmw_cmd_set_shader - Validate an SVGA_3D_CMD_SET_SHADER | |
1735 | * command | |
1736 | * | |
1737 | * @dev_priv: Pointer to a device private struct. | |
1738 | * @sw_context: The software context being used for this batch. | |
1739 | * @header: Pointer to the command header in the command stream. | |
1740 | */ | |
1741 | static int vmw_cmd_set_shader(struct vmw_private *dev_priv, | |
1742 | struct vmw_sw_context *sw_context, | |
1743 | SVGA3dCmdHeader *header) | |
1744 | { | |
1745 | struct vmw_set_shader_cmd { | |
1746 | SVGA3dCmdHeader header; | |
1747 | SVGA3dCmdSetShader body; | |
1748 | } *cmd; | |
18e4a466 TH |
1749 | struct vmw_resource_val_node *ctx_node, *res_node = NULL; |
1750 | struct vmw_ctx_bindinfo bi; | |
1751 | struct vmw_resource *res = NULL; | |
c0951b79 TH |
1752 | int ret; |
1753 | ||
1754 | cmd = container_of(header, struct vmw_set_shader_cmd, | |
1755 | header); | |
1756 | ||
b5c3b1a6 TH |
1757 | ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context, |
1758 | user_context_converter, &cmd->body.cid, | |
1759 | &ctx_node); | |
c0951b79 TH |
1760 | if (unlikely(ret != 0)) |
1761 | return ret; | |
1762 | ||
18e4a466 TH |
1763 | if (!dev_priv->has_mob) |
1764 | return 0; | |
1765 | ||
1766 | if (cmd->body.shid != SVGA3D_INVALID_ID) { | |
1767 | res = vmw_compat_shader_lookup | |
1768 | (vmw_context_res_man(ctx_node->res), | |
1769 | cmd->body.shid, | |
1770 | cmd->body.type); | |
1771 | ||
1772 | if (!IS_ERR(res)) { | |
1773 | ret = vmw_cmd_res_reloc_add(dev_priv, sw_context, | |
1774 | vmw_res_shader, | |
1775 | &cmd->body.shid, res, | |
1776 | &res_node); | |
1777 | vmw_resource_unreference(&res); | |
1778 | if (unlikely(ret != 0)) | |
1779 | return ret; | |
1780 | } | |
1781 | } | |
1782 | ||
1783 | if (!res_node) { | |
1784 | ret = vmw_cmd_res_check(dev_priv, sw_context, | |
1785 | vmw_res_shader, | |
1786 | user_shader_converter, | |
1787 | &cmd->body.shid, &res_node); | |
b5c3b1a6 TH |
1788 | if (unlikely(ret != 0)) |
1789 | return ret; | |
b5c3b1a6 | 1790 | } |
c74c162f | 1791 | |
18e4a466 TH |
1792 | bi.ctx = ctx_node->res; |
1793 | bi.res = res_node ? res_node->res : NULL; | |
1794 | bi.bt = vmw_ctx_binding_shader; | |
1795 | bi.i1.shader_type = cmd->body.type; | |
1796 | return vmw_context_binding_add(ctx_node->staged_bindings, &bi); | |
c0951b79 TH |
1797 | } |
1798 | ||
0ccbbae4 TH |
1799 | /** |
1800 | * vmw_cmd_set_shader_const - Validate an SVGA_3D_CMD_SET_SHADER_CONST | |
1801 | * command | |
1802 | * | |
1803 | * @dev_priv: Pointer to a device private struct. | |
1804 | * @sw_context: The software context being used for this batch. | |
1805 | * @header: Pointer to the command header in the command stream. | |
1806 | */ | |
1807 | static int vmw_cmd_set_shader_const(struct vmw_private *dev_priv, | |
1808 | struct vmw_sw_context *sw_context, | |
1809 | SVGA3dCmdHeader *header) | |
1810 | { | |
1811 | struct vmw_set_shader_const_cmd { | |
1812 | SVGA3dCmdHeader header; | |
1813 | SVGA3dCmdSetShaderConst body; | |
1814 | } *cmd; | |
1815 | int ret; | |
1816 | ||
1817 | cmd = container_of(header, struct vmw_set_shader_const_cmd, | |
1818 | header); | |
1819 | ||
1820 | ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context, | |
1821 | user_context_converter, &cmd->body.cid, | |
1822 | NULL); | |
1823 | if (unlikely(ret != 0)) | |
1824 | return ret; | |
1825 | ||
1826 | if (dev_priv->has_mob) | |
1827 | header->id = SVGA_3D_CMD_SET_GB_SHADERCONSTS_INLINE; | |
1828 | ||
1829 | return 0; | |
1830 | } | |
1831 | ||
c74c162f TH |
1832 | /** |
1833 | * vmw_cmd_bind_gb_shader - Validate an SVGA_3D_CMD_BIND_GB_SHADER | |
1834 | * command | |
1835 | * | |
1836 | * @dev_priv: Pointer to a device private struct. | |
1837 | * @sw_context: The software context being used for this batch. | |
1838 | * @header: Pointer to the command header in the command stream. | |
1839 | */ | |
1840 | static int vmw_cmd_bind_gb_shader(struct vmw_private *dev_priv, | |
1841 | struct vmw_sw_context *sw_context, | |
1842 | SVGA3dCmdHeader *header) | |
1843 | { | |
1844 | struct vmw_bind_gb_shader_cmd { | |
1845 | SVGA3dCmdHeader header; | |
1846 | SVGA3dCmdBindGBShader body; | |
1847 | } *cmd; | |
1848 | ||
1849 | cmd = container_of(header, struct vmw_bind_gb_shader_cmd, | |
1850 | header); | |
1851 | ||
1852 | return vmw_cmd_switch_backup(dev_priv, sw_context, vmw_res_shader, | |
1853 | user_shader_converter, | |
1854 | &cmd->body.shid, &cmd->body.mobid, | |
1855 | cmd->body.offsetInBytes); | |
1856 | } | |
1857 | ||
4084fb89 JB |
1858 | static int vmw_cmd_check_not_3d(struct vmw_private *dev_priv, |
1859 | struct vmw_sw_context *sw_context, | |
1860 | void *buf, uint32_t *size) | |
1861 | { | |
1862 | uint32_t size_remaining = *size; | |
4084fb89 JB |
1863 | uint32_t cmd_id; |
1864 | ||
1865 | cmd_id = le32_to_cpu(((uint32_t *)buf)[0]); | |
1866 | switch (cmd_id) { | |
1867 | case SVGA_CMD_UPDATE: | |
1868 | *size = sizeof(uint32_t) + sizeof(SVGAFifoCmdUpdate); | |
4084fb89 JB |
1869 | break; |
1870 | case SVGA_CMD_DEFINE_GMRFB: | |
1871 | *size = sizeof(uint32_t) + sizeof(SVGAFifoCmdDefineGMRFB); | |
1872 | break; | |
1873 | case SVGA_CMD_BLIT_GMRFB_TO_SCREEN: | |
1874 | *size = sizeof(uint32_t) + sizeof(SVGAFifoCmdBlitGMRFBToScreen); | |
1875 | break; | |
1876 | case SVGA_CMD_BLIT_SCREEN_TO_GMRFB: | |
1877 | *size = sizeof(uint32_t) + sizeof(SVGAFifoCmdBlitGMRFBToScreen); | |
1878 | break; | |
1879 | default: | |
1880 | DRM_ERROR("Unsupported SVGA command: %u.\n", cmd_id); | |
1881 | return -EINVAL; | |
1882 | } | |
1883 | ||
1884 | if (*size > size_remaining) { | |
1885 | DRM_ERROR("Invalid SVGA command (size mismatch):" | |
1886 | " %u.\n", cmd_id); | |
1887 | return -EINVAL; | |
1888 | } | |
1889 | ||
0cff60c6 | 1890 | if (unlikely(!sw_context->kernel)) { |
4084fb89 JB |
1891 | DRM_ERROR("Kernel only SVGA command: %u.\n", cmd_id); |
1892 | return -EPERM; | |
1893 | } | |
1894 | ||
1895 | if (cmd_id == SVGA_CMD_DEFINE_GMRFB) | |
1896 | return vmw_cmd_check_define_gmrfb(dev_priv, sw_context, buf); | |
1897 | ||
1898 | return 0; | |
1899 | } | |
fb1d9738 | 1900 | |
4fbd9d2e | 1901 | static const struct vmw_cmd_entry vmw_cmd_entries[SVGA_3D_CMD_MAX] = { |
c373d4ea TH |
1902 | VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DEFINE, &vmw_cmd_invalid, |
1903 | false, false, false), | |
1904 | VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DESTROY, &vmw_cmd_invalid, | |
1905 | false, false, false), | |
1906 | VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_COPY, &vmw_cmd_surface_copy_check, | |
1907 | true, false, false), | |
1908 | VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_STRETCHBLT, &vmw_cmd_stretch_blt_check, | |
1909 | true, false, false), | |
1910 | VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DMA, &vmw_cmd_dma, | |
1911 | true, false, false), | |
1912 | VMW_CMD_DEF(SVGA_3D_CMD_CONTEXT_DEFINE, &vmw_cmd_invalid, | |
1913 | false, false, false), | |
1914 | VMW_CMD_DEF(SVGA_3D_CMD_CONTEXT_DESTROY, &vmw_cmd_invalid, | |
1915 | false, false, false), | |
1916 | VMW_CMD_DEF(SVGA_3D_CMD_SETTRANSFORM, &vmw_cmd_cid_check, | |
1917 | true, false, false), | |
1918 | VMW_CMD_DEF(SVGA_3D_CMD_SETZRANGE, &vmw_cmd_cid_check, | |
1919 | true, false, false), | |
1920 | VMW_CMD_DEF(SVGA_3D_CMD_SETRENDERSTATE, &vmw_cmd_cid_check, | |
1921 | true, false, false), | |
fb1d9738 | 1922 | VMW_CMD_DEF(SVGA_3D_CMD_SETRENDERTARGET, |
c373d4ea TH |
1923 | &vmw_cmd_set_render_target_check, true, false, false), |
1924 | VMW_CMD_DEF(SVGA_3D_CMD_SETTEXTURESTATE, &vmw_cmd_tex_state, | |
1925 | true, false, false), | |
1926 | VMW_CMD_DEF(SVGA_3D_CMD_SETMATERIAL, &vmw_cmd_cid_check, | |
1927 | true, false, false), | |
1928 | VMW_CMD_DEF(SVGA_3D_CMD_SETLIGHTDATA, &vmw_cmd_cid_check, | |
1929 | true, false, false), | |
1930 | VMW_CMD_DEF(SVGA_3D_CMD_SETLIGHTENABLED, &vmw_cmd_cid_check, | |
1931 | true, false, false), | |
1932 | VMW_CMD_DEF(SVGA_3D_CMD_SETVIEWPORT, &vmw_cmd_cid_check, | |
1933 | true, false, false), | |
1934 | VMW_CMD_DEF(SVGA_3D_CMD_SETCLIPPLANE, &vmw_cmd_cid_check, | |
1935 | true, false, false), | |
1936 | VMW_CMD_DEF(SVGA_3D_CMD_CLEAR, &vmw_cmd_cid_check, | |
1937 | true, false, false), | |
1938 | VMW_CMD_DEF(SVGA_3D_CMD_PRESENT, &vmw_cmd_present_check, | |
1939 | false, false, false), | |
d5bde956 TH |
1940 | VMW_CMD_DEF(SVGA_3D_CMD_SHADER_DEFINE, &vmw_cmd_shader_define, |
1941 | true, false, false), | |
1942 | VMW_CMD_DEF(SVGA_3D_CMD_SHADER_DESTROY, &vmw_cmd_shader_destroy, | |
1943 | true, false, false), | |
c373d4ea TH |
1944 | VMW_CMD_DEF(SVGA_3D_CMD_SET_SHADER, &vmw_cmd_set_shader, |
1945 | true, false, false), | |
0ccbbae4 TH |
1946 | VMW_CMD_DEF(SVGA_3D_CMD_SET_SHADER_CONST, &vmw_cmd_set_shader_const, |
1947 | true, false, false), | |
c373d4ea TH |
1948 | VMW_CMD_DEF(SVGA_3D_CMD_DRAW_PRIMITIVES, &vmw_cmd_draw, |
1949 | true, false, false), | |
1950 | VMW_CMD_DEF(SVGA_3D_CMD_SETSCISSORRECT, &vmw_cmd_cid_check, | |
1951 | true, false, false), | |
1952 | VMW_CMD_DEF(SVGA_3D_CMD_BEGIN_QUERY, &vmw_cmd_begin_query, | |
1953 | true, false, false), | |
1954 | VMW_CMD_DEF(SVGA_3D_CMD_END_QUERY, &vmw_cmd_end_query, | |
1955 | true, false, false), | |
1956 | VMW_CMD_DEF(SVGA_3D_CMD_WAIT_FOR_QUERY, &vmw_cmd_wait_query, | |
1957 | true, false, false), | |
1958 | VMW_CMD_DEF(SVGA_3D_CMD_PRESENT_READBACK, &vmw_cmd_ok, | |
1959 | true, false, false), | |
fb1d9738 | 1960 | VMW_CMD_DEF(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN, |
c373d4ea TH |
1961 | &vmw_cmd_blt_surf_screen_check, false, false, false), |
1962 | VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DEFINE_V2, &vmw_cmd_invalid, | |
1963 | false, false, false), | |
1964 | VMW_CMD_DEF(SVGA_3D_CMD_GENERATE_MIPMAPS, &vmw_cmd_invalid, | |
1965 | false, false, false), | |
1966 | VMW_CMD_DEF(SVGA_3D_CMD_ACTIVATE_SURFACE, &vmw_cmd_invalid, | |
1967 | false, false, false), | |
1968 | VMW_CMD_DEF(SVGA_3D_CMD_DEACTIVATE_SURFACE, &vmw_cmd_invalid, | |
1969 | false, false, false), | |
1970 | VMW_CMD_DEF(SVGA_3D_CMD_SCREEN_DMA, &vmw_cmd_invalid, | |
1971 | false, false, false), | |
1972 | VMW_CMD_DEF(SVGA_3D_CMD_SET_UNITY_SURFACE_COOKIE, &vmw_cmd_invalid, | |
1973 | false, false, false), | |
1974 | VMW_CMD_DEF(SVGA_3D_CMD_OPEN_CONTEXT_SURFACE, &vmw_cmd_invalid, | |
1975 | false, false, false), | |
1976 | VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_BITBLT, &vmw_cmd_invalid, | |
1977 | false, false, false), | |
1978 | VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_TRANSBLT, &vmw_cmd_invalid, | |
1979 | false, false, false), | |
1980 | VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_STRETCHBLT, &vmw_cmd_invalid, | |
1981 | false, false, false), | |
1982 | VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_COLORFILL, &vmw_cmd_invalid, | |
1983 | false, false, false), | |
1984 | VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_ALPHABLEND, &vmw_cmd_invalid, | |
1985 | false, false, false), | |
1986 | VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_CLEARTYPEBLEND, &vmw_cmd_invalid, | |
1987 | false, false, false), | |
1988 | VMW_CMD_DEF(SVGA_3D_CMD_SET_OTABLE_BASE, &vmw_cmd_invalid, | |
1989 | false, false, true), | |
1990 | VMW_CMD_DEF(SVGA_3D_CMD_READBACK_OTABLE, &vmw_cmd_invalid, | |
1991 | false, false, true), | |
1992 | VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_MOB, &vmw_cmd_invalid, | |
1993 | false, false, true), | |
1994 | VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_MOB, &vmw_cmd_invalid, | |
1995 | false, false, true), | |
1996 | VMW_CMD_DEF(SVGA_3D_CMD_REDEFINE_GB_MOB, &vmw_cmd_invalid, | |
1997 | false, false, true), | |
1998 | VMW_CMD_DEF(SVGA_3D_CMD_UPDATE_GB_MOB_MAPPING, &vmw_cmd_invalid, | |
1999 | false, false, true), | |
2000 | VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SURFACE, &vmw_cmd_invalid, | |
2001 | false, false, true), | |
2002 | VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_SURFACE, &vmw_cmd_invalid, | |
2003 | false, false, true), | |
2004 | VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_SURFACE, &vmw_cmd_bind_gb_surface, | |
2005 | true, false, true), | |
2006 | VMW_CMD_DEF(SVGA_3D_CMD_COND_BIND_GB_SURFACE, &vmw_cmd_invalid, | |
2007 | false, false, true), | |
2008 | VMW_CMD_DEF(SVGA_3D_CMD_UPDATE_GB_IMAGE, &vmw_cmd_update_gb_image, | |
2009 | true, false, true), | |
a97e2192 | 2010 | VMW_CMD_DEF(SVGA_3D_CMD_UPDATE_GB_SURFACE, |
c373d4ea | 2011 | &vmw_cmd_update_gb_surface, true, false, true), |
a97e2192 | 2012 | VMW_CMD_DEF(SVGA_3D_CMD_READBACK_GB_IMAGE, |
c373d4ea | 2013 | &vmw_cmd_readback_gb_image, true, false, true), |
a97e2192 | 2014 | VMW_CMD_DEF(SVGA_3D_CMD_READBACK_GB_SURFACE, |
c373d4ea | 2015 | &vmw_cmd_readback_gb_surface, true, false, true), |
a97e2192 | 2016 | VMW_CMD_DEF(SVGA_3D_CMD_INVALIDATE_GB_IMAGE, |
c373d4ea | 2017 | &vmw_cmd_invalidate_gb_image, true, false, true), |
a97e2192 | 2018 | VMW_CMD_DEF(SVGA_3D_CMD_INVALIDATE_GB_SURFACE, |
c373d4ea TH |
2019 | &vmw_cmd_invalidate_gb_surface, true, false, true), |
2020 | VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_CONTEXT, &vmw_cmd_invalid, | |
2021 | false, false, true), | |
2022 | VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_CONTEXT, &vmw_cmd_invalid, | |
2023 | false, false, true), | |
2024 | VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_CONTEXT, &vmw_cmd_invalid, | |
2025 | false, false, true), | |
2026 | VMW_CMD_DEF(SVGA_3D_CMD_READBACK_GB_CONTEXT, &vmw_cmd_invalid, | |
2027 | false, false, true), | |
2028 | VMW_CMD_DEF(SVGA_3D_CMD_INVALIDATE_GB_CONTEXT, &vmw_cmd_invalid, | |
2029 | false, false, true), | |
2030 | VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SHADER, &vmw_cmd_invalid, | |
2031 | false, false, true), | |
2032 | VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_SHADER, &vmw_cmd_bind_gb_shader, | |
2033 | true, false, true), | |
2034 | VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_SHADER, &vmw_cmd_invalid, | |
2035 | false, false, true), | |
f2a0dcb1 | 2036 | VMW_CMD_DEF(SVGA_3D_CMD_SET_OTABLE_BASE64, &vmw_cmd_invalid, |
8ba07315 | 2037 | false, false, false), |
c373d4ea TH |
2038 | VMW_CMD_DEF(SVGA_3D_CMD_BEGIN_GB_QUERY, &vmw_cmd_begin_gb_query, |
2039 | true, false, true), | |
2040 | VMW_CMD_DEF(SVGA_3D_CMD_END_GB_QUERY, &vmw_cmd_end_gb_query, | |
2041 | true, false, true), | |
2042 | VMW_CMD_DEF(SVGA_3D_CMD_WAIT_FOR_GB_QUERY, &vmw_cmd_wait_gb_query, | |
2043 | true, false, true), | |
2044 | VMW_CMD_DEF(SVGA_3D_CMD_NOP, &vmw_cmd_ok, | |
2045 | true, false, true), | |
2046 | VMW_CMD_DEF(SVGA_3D_CMD_ENABLE_GART, &vmw_cmd_invalid, | |
2047 | false, false, true), | |
2048 | VMW_CMD_DEF(SVGA_3D_CMD_DISABLE_GART, &vmw_cmd_invalid, | |
2049 | false, false, true), | |
2050 | VMW_CMD_DEF(SVGA_3D_CMD_MAP_MOB_INTO_GART, &vmw_cmd_invalid, | |
2051 | false, false, true), | |
2052 | VMW_CMD_DEF(SVGA_3D_CMD_UNMAP_GART_RANGE, &vmw_cmd_invalid, | |
2053 | false, false, true), | |
2054 | VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SCREENTARGET, &vmw_cmd_invalid, | |
2055 | false, false, true), | |
2056 | VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_SCREENTARGET, &vmw_cmd_invalid, | |
2057 | false, false, true), | |
2058 | VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_SCREENTARGET, &vmw_cmd_invalid, | |
2059 | false, false, true), | |
2060 | VMW_CMD_DEF(SVGA_3D_CMD_UPDATE_GB_SCREENTARGET, &vmw_cmd_invalid, | |
2061 | false, false, true), | |
2062 | VMW_CMD_DEF(SVGA_3D_CMD_READBACK_GB_IMAGE_PARTIAL, &vmw_cmd_invalid, | |
2063 | false, false, true), | |
2064 | VMW_CMD_DEF(SVGA_3D_CMD_INVALIDATE_GB_IMAGE_PARTIAL, &vmw_cmd_invalid, | |
2065 | false, false, true), | |
2066 | VMW_CMD_DEF(SVGA_3D_CMD_SET_GB_SHADERCONSTS_INLINE, &vmw_cmd_cid_check, | |
2067 | true, false, true) | |
fb1d9738 JB |
2068 | }; |
2069 | ||
2070 | static int vmw_cmd_check(struct vmw_private *dev_priv, | |
2071 | struct vmw_sw_context *sw_context, | |
2072 | void *buf, uint32_t *size) | |
2073 | { | |
2074 | uint32_t cmd_id; | |
7a73ba74 | 2075 | uint32_t size_remaining = *size; |
fb1d9738 JB |
2076 | SVGA3dCmdHeader *header = (SVGA3dCmdHeader *) buf; |
2077 | int ret; | |
c373d4ea TH |
2078 | const struct vmw_cmd_entry *entry; |
2079 | bool gb = dev_priv->capabilities & SVGA_CAP_GBOBJECTS; | |
fb1d9738 | 2080 | |
4084fb89 JB |
2081 | cmd_id = le32_to_cpu(((uint32_t *)buf)[0]); |
2082 | /* Handle any none 3D commands */ | |
2083 | if (unlikely(cmd_id < SVGA_CMD_MAX)) | |
2084 | return vmw_cmd_check_not_3d(dev_priv, sw_context, buf, size); | |
2085 | ||
fb1d9738 JB |
2086 | |
2087 | cmd_id = le32_to_cpu(header->id); | |
2088 | *size = le32_to_cpu(header->size) + sizeof(SVGA3dCmdHeader); | |
2089 | ||
2090 | cmd_id -= SVGA_3D_CMD_BASE; | |
7a73ba74 | 2091 | if (unlikely(*size > size_remaining)) |
c373d4ea | 2092 | goto out_invalid; |
7a73ba74 | 2093 | |
fb1d9738 | 2094 | if (unlikely(cmd_id >= SVGA_3D_CMD_MAX - SVGA_3D_CMD_BASE)) |
c373d4ea TH |
2095 | goto out_invalid; |
2096 | ||
2097 | entry = &vmw_cmd_entries[cmd_id]; | |
36e952c1 TH |
2098 | if (unlikely(!entry->func)) |
2099 | goto out_invalid; | |
2100 | ||
c373d4ea TH |
2101 | if (unlikely(!entry->user_allow && !sw_context->kernel)) |
2102 | goto out_privileged; | |
2103 | ||
2104 | if (unlikely(entry->gb_disable && gb)) | |
2105 | goto out_old; | |
2106 | ||
2107 | if (unlikely(entry->gb_enable && !gb)) | |
2108 | goto out_new; | |
fb1d9738 | 2109 | |
c373d4ea | 2110 | ret = entry->func(dev_priv, sw_context, header); |
fb1d9738 | 2111 | if (unlikely(ret != 0)) |
c373d4ea | 2112 | goto out_invalid; |
fb1d9738 JB |
2113 | |
2114 | return 0; | |
c373d4ea TH |
2115 | out_invalid: |
2116 | DRM_ERROR("Invalid SVGA3D command: %d\n", | |
2117 | cmd_id + SVGA_3D_CMD_BASE); | |
2118 | return -EINVAL; | |
2119 | out_privileged: | |
2120 | DRM_ERROR("Privileged SVGA3D command: %d\n", | |
2121 | cmd_id + SVGA_3D_CMD_BASE); | |
2122 | return -EPERM; | |
2123 | out_old: | |
2124 | DRM_ERROR("Deprecated (disallowed) SVGA3D command: %d\n", | |
2125 | cmd_id + SVGA_3D_CMD_BASE); | |
2126 | return -EINVAL; | |
2127 | out_new: | |
2128 | DRM_ERROR("SVGA3D command: %d not supported by virtual hardware.\n", | |
fb1d9738 JB |
2129 | cmd_id + SVGA_3D_CMD_BASE); |
2130 | return -EINVAL; | |
2131 | } | |
2132 | ||
2133 | static int vmw_cmd_check_all(struct vmw_private *dev_priv, | |
2134 | struct vmw_sw_context *sw_context, | |
922ade0d | 2135 | void *buf, |
be38ab6e | 2136 | uint32_t size) |
fb1d9738 JB |
2137 | { |
2138 | int32_t cur_size = size; | |
2139 | int ret; | |
2140 | ||
c0951b79 TH |
2141 | sw_context->buf_start = buf; |
2142 | ||
fb1d9738 | 2143 | while (cur_size > 0) { |
7a73ba74 | 2144 | size = cur_size; |
fb1d9738 JB |
2145 | ret = vmw_cmd_check(dev_priv, sw_context, buf, &size); |
2146 | if (unlikely(ret != 0)) | |
2147 | return ret; | |
2148 | buf = (void *)((unsigned long) buf + size); | |
2149 | cur_size -= size; | |
2150 | } | |
2151 | ||
2152 | if (unlikely(cur_size != 0)) { | |
2153 | DRM_ERROR("Command verifier out of sync.\n"); | |
2154 | return -EINVAL; | |
2155 | } | |
2156 | ||
2157 | return 0; | |
2158 | } | |
2159 | ||
2160 | static void vmw_free_relocations(struct vmw_sw_context *sw_context) | |
2161 | { | |
2162 | sw_context->cur_reloc = 0; | |
2163 | } | |
2164 | ||
2165 | static void vmw_apply_relocations(struct vmw_sw_context *sw_context) | |
2166 | { | |
2167 | uint32_t i; | |
2168 | struct vmw_relocation *reloc; | |
2169 | struct ttm_validate_buffer *validate; | |
2170 | struct ttm_buffer_object *bo; | |
2171 | ||
2172 | for (i = 0; i < sw_context->cur_reloc; ++i) { | |
2173 | reloc = &sw_context->relocs[i]; | |
c0951b79 | 2174 | validate = &sw_context->val_bufs[reloc->index].base; |
fb1d9738 | 2175 | bo = validate->bo; |
c0951b79 TH |
2176 | switch (bo->mem.mem_type) { |
2177 | case TTM_PL_VRAM: | |
135cba0d TH |
2178 | reloc->location->offset += bo->offset; |
2179 | reloc->location->gmrId = SVGA_GMR_FRAMEBUFFER; | |
c0951b79 TH |
2180 | break; |
2181 | case VMW_PL_GMR: | |
135cba0d | 2182 | reloc->location->gmrId = bo->mem.start; |
c0951b79 | 2183 | break; |
ddcda24e TH |
2184 | case VMW_PL_MOB: |
2185 | *reloc->mob_loc = bo->mem.start; | |
2186 | break; | |
c0951b79 TH |
2187 | default: |
2188 | BUG(); | |
2189 | } | |
fb1d9738 JB |
2190 | } |
2191 | vmw_free_relocations(sw_context); | |
2192 | } | |
2193 | ||
c0951b79 TH |
2194 | /** |
2195 | * vmw_resource_list_unrefererence - Free up a resource list and unreference | |
2196 | * all resources referenced by it. | |
2197 | * | |
2198 | * @list: The resource list. | |
2199 | */ | |
2200 | static void vmw_resource_list_unreference(struct list_head *list) | |
2201 | { | |
2202 | struct vmw_resource_val_node *val, *val_next; | |
2203 | ||
2204 | /* | |
2205 | * Drop references to resources held during command submission. | |
2206 | */ | |
2207 | ||
2208 | list_for_each_entry_safe(val, val_next, list, head) { | |
2209 | list_del_init(&val->head); | |
2210 | vmw_resource_unreference(&val->res); | |
b5c3b1a6 TH |
2211 | if (unlikely(val->staged_bindings)) |
2212 | kfree(val->staged_bindings); | |
c0951b79 TH |
2213 | kfree(val); |
2214 | } | |
2215 | } | |
2216 | ||
fb1d9738 JB |
2217 | static void vmw_clear_validations(struct vmw_sw_context *sw_context) |
2218 | { | |
c0951b79 TH |
2219 | struct vmw_validate_buffer *entry, *next; |
2220 | struct vmw_resource_val_node *val; | |
fb1d9738 | 2221 | |
be38ab6e TH |
2222 | /* |
2223 | * Drop references to DMA buffers held during command submission. | |
2224 | */ | |
fb1d9738 | 2225 | list_for_each_entry_safe(entry, next, &sw_context->validate_nodes, |
c0951b79 TH |
2226 | base.head) { |
2227 | list_del(&entry->base.head); | |
2228 | ttm_bo_unref(&entry->base.bo); | |
2229 | (void) drm_ht_remove_item(&sw_context->res_ht, &entry->hash); | |
fb1d9738 JB |
2230 | sw_context->cur_val_buf--; |
2231 | } | |
2232 | BUG_ON(sw_context->cur_val_buf != 0); | |
be38ab6e | 2233 | |
c0951b79 TH |
2234 | list_for_each_entry(val, &sw_context->resource_list, head) |
2235 | (void) drm_ht_remove_item(&sw_context->res_ht, &val->hash); | |
fb1d9738 JB |
2236 | } |
2237 | ||
2238 | static int vmw_validate_single_buffer(struct vmw_private *dev_priv, | |
96c5f0df TH |
2239 | struct ttm_buffer_object *bo, |
2240 | bool validate_as_mob) | |
fb1d9738 JB |
2241 | { |
2242 | int ret; | |
2243 | ||
e2fa3a76 TH |
2244 | |
2245 | /* | |
2246 | * Don't validate pinned buffers. | |
2247 | */ | |
2248 | ||
2249 | if (bo == dev_priv->pinned_bo || | |
2250 | (bo == dev_priv->dummy_query_bo && | |
2251 | dev_priv->dummy_query_bo_pinned)) | |
2252 | return 0; | |
2253 | ||
96c5f0df TH |
2254 | if (validate_as_mob) |
2255 | return ttm_bo_validate(bo, &vmw_mob_placement, true, false); | |
2256 | ||
8ba5152a | 2257 | /** |
135cba0d TH |
2258 | * Put BO in VRAM if there is space, otherwise as a GMR. |
2259 | * If there is no space in VRAM and GMR ids are all used up, | |
2260 | * start evicting GMRs to make room. If the DMA buffer can't be | |
2261 | * used as a GMR, this will return -ENOMEM. | |
8ba5152a TH |
2262 | */ |
2263 | ||
97a875cb | 2264 | ret = ttm_bo_validate(bo, &vmw_vram_gmr_placement, true, false); |
3d3a5b32 | 2265 | if (likely(ret == 0 || ret == -ERESTARTSYS)) |
fb1d9738 JB |
2266 | return ret; |
2267 | ||
8ba5152a TH |
2268 | /** |
2269 | * If that failed, try VRAM again, this time evicting | |
2270 | * previous contents. | |
2271 | */ | |
fb1d9738 | 2272 | |
135cba0d | 2273 | DRM_INFO("Falling through to VRAM.\n"); |
97a875cb | 2274 | ret = ttm_bo_validate(bo, &vmw_vram_placement, true, false); |
fb1d9738 JB |
2275 | return ret; |
2276 | } | |
2277 | ||
fb1d9738 JB |
2278 | static int vmw_validate_buffers(struct vmw_private *dev_priv, |
2279 | struct vmw_sw_context *sw_context) | |
2280 | { | |
c0951b79 | 2281 | struct vmw_validate_buffer *entry; |
fb1d9738 JB |
2282 | int ret; |
2283 | ||
c0951b79 | 2284 | list_for_each_entry(entry, &sw_context->validate_nodes, base.head) { |
96c5f0df TH |
2285 | ret = vmw_validate_single_buffer(dev_priv, entry->base.bo, |
2286 | entry->validate_as_mob); | |
fb1d9738 JB |
2287 | if (unlikely(ret != 0)) |
2288 | return ret; | |
2289 | } | |
2290 | return 0; | |
2291 | } | |
2292 | ||
be38ab6e TH |
2293 | static int vmw_resize_cmd_bounce(struct vmw_sw_context *sw_context, |
2294 | uint32_t size) | |
2295 | { | |
2296 | if (likely(sw_context->cmd_bounce_size >= size)) | |
2297 | return 0; | |
2298 | ||
2299 | if (sw_context->cmd_bounce_size == 0) | |
2300 | sw_context->cmd_bounce_size = VMWGFX_CMD_BOUNCE_INIT_SIZE; | |
2301 | ||
2302 | while (sw_context->cmd_bounce_size < size) { | |
2303 | sw_context->cmd_bounce_size = | |
2304 | PAGE_ALIGN(sw_context->cmd_bounce_size + | |
2305 | (sw_context->cmd_bounce_size >> 1)); | |
2306 | } | |
2307 | ||
2308 | if (sw_context->cmd_bounce != NULL) | |
2309 | vfree(sw_context->cmd_bounce); | |
2310 | ||
2311 | sw_context->cmd_bounce = vmalloc(sw_context->cmd_bounce_size); | |
2312 | ||
2313 | if (sw_context->cmd_bounce == NULL) { | |
2314 | DRM_ERROR("Failed to allocate command bounce buffer.\n"); | |
2315 | sw_context->cmd_bounce_size = 0; | |
2316 | return -ENOMEM; | |
2317 | } | |
2318 | ||
2319 | return 0; | |
2320 | } | |
2321 | ||
ae2a1040 TH |
2322 | /** |
2323 | * vmw_execbuf_fence_commands - create and submit a command stream fence | |
2324 | * | |
2325 | * Creates a fence object and submits a command stream marker. | |
2326 | * If this fails for some reason, We sync the fifo and return NULL. | |
2327 | * It is then safe to fence buffers with a NULL pointer. | |
6070e9fa JB |
2328 | * |
2329 | * If @p_handle is not NULL @file_priv must also not be NULL. Creates | |
2330 | * a userspace handle if @p_handle is not NULL, otherwise not. | |
ae2a1040 TH |
2331 | */ |
2332 | ||
2333 | int vmw_execbuf_fence_commands(struct drm_file *file_priv, | |
2334 | struct vmw_private *dev_priv, | |
2335 | struct vmw_fence_obj **p_fence, | |
2336 | uint32_t *p_handle) | |
2337 | { | |
2338 | uint32_t sequence; | |
2339 | int ret; | |
2340 | bool synced = false; | |
2341 | ||
6070e9fa JB |
2342 | /* p_handle implies file_priv. */ |
2343 | BUG_ON(p_handle != NULL && file_priv == NULL); | |
ae2a1040 TH |
2344 | |
2345 | ret = vmw_fifo_send_fence(dev_priv, &sequence); | |
2346 | if (unlikely(ret != 0)) { | |
2347 | DRM_ERROR("Fence submission error. Syncing.\n"); | |
2348 | synced = true; | |
2349 | } | |
2350 | ||
2351 | if (p_handle != NULL) | |
2352 | ret = vmw_user_fence_create(file_priv, dev_priv->fman, | |
c060a4e1 | 2353 | sequence, p_fence, p_handle); |
ae2a1040 | 2354 | else |
c060a4e1 | 2355 | ret = vmw_fence_create(dev_priv->fman, sequence, p_fence); |
ae2a1040 TH |
2356 | |
2357 | if (unlikely(ret != 0 && !synced)) { | |
2358 | (void) vmw_fallback_wait(dev_priv, false, false, | |
2359 | sequence, false, | |
2360 | VMW_FENCE_WAIT_TIMEOUT); | |
2361 | *p_fence = NULL; | |
2362 | } | |
2363 | ||
2364 | return 0; | |
2365 | } | |
2366 | ||
8bf445ce TH |
2367 | /** |
2368 | * vmw_execbuf_copy_fence_user - copy fence object information to | |
2369 | * user-space. | |
2370 | * | |
2371 | * @dev_priv: Pointer to a vmw_private struct. | |
2372 | * @vmw_fp: Pointer to the struct vmw_fpriv representing the calling file. | |
2373 | * @ret: Return value from fence object creation. | |
2374 | * @user_fence_rep: User space address of a struct drm_vmw_fence_rep to | |
2375 | * which the information should be copied. | |
2376 | * @fence: Pointer to the fenc object. | |
2377 | * @fence_handle: User-space fence handle. | |
2378 | * | |
2379 | * This function copies fence information to user-space. If copying fails, | |
2380 | * The user-space struct drm_vmw_fence_rep::error member is hopefully | |
2381 | * left untouched, and if it's preloaded with an -EFAULT by user-space, | |
2382 | * the error will hopefully be detected. | |
2383 | * Also if copying fails, user-space will be unable to signal the fence | |
2384 | * object so we wait for it immediately, and then unreference the | |
2385 | * user-space reference. | |
2386 | */ | |
57c5ee79 | 2387 | void |
8bf445ce TH |
2388 | vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv, |
2389 | struct vmw_fpriv *vmw_fp, | |
2390 | int ret, | |
2391 | struct drm_vmw_fence_rep __user *user_fence_rep, | |
2392 | struct vmw_fence_obj *fence, | |
2393 | uint32_t fence_handle) | |
2394 | { | |
2395 | struct drm_vmw_fence_rep fence_rep; | |
2396 | ||
2397 | if (user_fence_rep == NULL) | |
2398 | return; | |
2399 | ||
80d9b24a DC |
2400 | memset(&fence_rep, 0, sizeof(fence_rep)); |
2401 | ||
8bf445ce TH |
2402 | fence_rep.error = ret; |
2403 | if (ret == 0) { | |
2404 | BUG_ON(fence == NULL); | |
2405 | ||
2406 | fence_rep.handle = fence_handle; | |
2298e804 | 2407 | fence_rep.seqno = fence->base.seqno; |
8bf445ce TH |
2408 | vmw_update_seqno(dev_priv, &dev_priv->fifo); |
2409 | fence_rep.passed_seqno = dev_priv->last_read_seqno; | |
2410 | } | |
2411 | ||
2412 | /* | |
2413 | * copy_to_user errors will be detected by user space not | |
2414 | * seeing fence_rep::error filled in. Typically | |
2415 | * user-space would have pre-set that member to -EFAULT. | |
2416 | */ | |
2417 | ret = copy_to_user(user_fence_rep, &fence_rep, | |
2418 | sizeof(fence_rep)); | |
2419 | ||
2420 | /* | |
2421 | * User-space lost the fence object. We need to sync | |
2422 | * and unreference the handle. | |
2423 | */ | |
2424 | if (unlikely(ret != 0) && (fence_rep.error == 0)) { | |
2425 | ttm_ref_object_base_unref(vmw_fp->tfile, | |
2426 | fence_handle, TTM_REF_USAGE); | |
2427 | DRM_ERROR("Fence copy error. Syncing.\n"); | |
c060a4e1 | 2428 | (void) vmw_fence_obj_wait(fence, false, false, |
8bf445ce TH |
2429 | VMW_FENCE_WAIT_TIMEOUT); |
2430 | } | |
2431 | } | |
2432 | ||
3eab3d9e TH |
2433 | /** |
2434 | * vmw_execbuf_submit_fifo - Patch a command batch and submit it using | |
2435 | * the fifo. | |
2436 | * | |
2437 | * @dev_priv: Pointer to a device private structure. | |
2438 | * @kernel_commands: Pointer to the unpatched command batch. | |
2439 | * @command_size: Size of the unpatched command batch. | |
2440 | * @sw_context: Structure holding the relocation lists. | |
2441 | * | |
2442 | * Side effects: If this function returns 0, then the command batch | |
2443 | * pointed to by @kernel_commands will have been modified. | |
2444 | */ | |
2445 | static int vmw_execbuf_submit_fifo(struct vmw_private *dev_priv, | |
2446 | void *kernel_commands, | |
2447 | u32 command_size, | |
2448 | struct vmw_sw_context *sw_context) | |
2449 | { | |
2450 | void *cmd = vmw_fifo_reserve(dev_priv, command_size); | |
2451 | ||
2452 | if (!cmd) { | |
2453 | DRM_ERROR("Failed reserving fifo space for commands.\n"); | |
2454 | return -ENOMEM; | |
2455 | } | |
18e4a466 | 2456 | |
3eab3d9e TH |
2457 | vmw_apply_relocations(sw_context); |
2458 | memcpy(cmd, kernel_commands, command_size); | |
2459 | vmw_resource_relocations_apply(cmd, &sw_context->res_relocations); | |
2460 | vmw_resource_relocations_free(&sw_context->res_relocations); | |
2461 | vmw_fifo_commit(dev_priv, command_size); | |
2462 | ||
2463 | return 0; | |
2464 | } | |
2465 | ||
2466 | /** | |
2467 | * vmw_execbuf_submit_cmdbuf - Patch a command batch and submit it using | |
2468 | * the command buffer manager. | |
2469 | * | |
2470 | * @dev_priv: Pointer to a device private structure. | |
2471 | * @header: Opaque handle to the command buffer allocation. | |
2472 | * @command_size: Size of the unpatched command batch. | |
2473 | * @sw_context: Structure holding the relocation lists. | |
2474 | * | |
2475 | * Side effects: If this function returns 0, then the command buffer | |
2476 | * represented by @header will have been modified. | |
2477 | */ | |
2478 | static int vmw_execbuf_submit_cmdbuf(struct vmw_private *dev_priv, | |
2479 | struct vmw_cmdbuf_header *header, | |
2480 | u32 command_size, | |
2481 | struct vmw_sw_context *sw_context) | |
2482 | { | |
2483 | void *cmd = vmw_cmdbuf_reserve(dev_priv->cman, command_size, | |
2484 | SVGA3D_INVALID_ID, false, header); | |
2485 | ||
2486 | vmw_apply_relocations(sw_context); | |
2487 | vmw_resource_relocations_apply(cmd, &sw_context->res_relocations); | |
2488 | vmw_resource_relocations_free(&sw_context->res_relocations); | |
2489 | vmw_cmdbuf_commit(dev_priv->cman, command_size, header, false); | |
2490 | ||
2491 | return 0; | |
2492 | } | |
2493 | ||
2494 | /** | |
2495 | * vmw_execbuf_cmdbuf - Prepare, if possible, a user-space command batch for | |
2496 | * submission using a command buffer. | |
2497 | * | |
2498 | * @dev_priv: Pointer to a device private structure. | |
2499 | * @user_commands: User-space pointer to the commands to be submitted. | |
2500 | * @command_size: Size of the unpatched command batch. | |
2501 | * @header: Out parameter returning the opaque pointer to the command buffer. | |
2502 | * | |
2503 | * This function checks whether we can use the command buffer manager for | |
2504 | * submission and if so, creates a command buffer of suitable size and | |
2505 | * copies the user data into that buffer. | |
2506 | * | |
2507 | * On successful return, the function returns a pointer to the data in the | |
2508 | * command buffer and *@header is set to non-NULL. | |
2509 | * If command buffers could not be used, the function will return the value | |
2510 | * of @kernel_commands on function call. That value may be NULL. In that case, | |
2511 | * the value of *@header will be set to NULL. | |
2512 | * If an error is encountered, the function will return a pointer error value. | |
2513 | * If the function is interrupted by a signal while sleeping, it will return | |
2514 | * -ERESTARTSYS casted to a pointer error value. | |
2515 | */ | |
2516 | void *vmw_execbuf_cmdbuf(struct vmw_private *dev_priv, | |
2517 | void __user *user_commands, | |
2518 | void *kernel_commands, | |
2519 | u32 command_size, | |
2520 | struct vmw_cmdbuf_header **header) | |
2521 | { | |
2522 | size_t cmdbuf_size; | |
2523 | int ret; | |
2524 | ||
2525 | *header = NULL; | |
2526 | if (!dev_priv->cman || kernel_commands) | |
2527 | return kernel_commands; | |
2528 | ||
2529 | if (command_size > SVGA_CB_MAX_SIZE) { | |
2530 | DRM_ERROR("Command buffer is too large.\n"); | |
2531 | return ERR_PTR(-EINVAL); | |
2532 | } | |
2533 | ||
2534 | /* If possible, add a little space for fencing. */ | |
2535 | cmdbuf_size = command_size + 512; | |
2536 | cmdbuf_size = min_t(size_t, cmdbuf_size, SVGA_CB_MAX_SIZE); | |
2537 | kernel_commands = vmw_cmdbuf_alloc(dev_priv->cman, cmdbuf_size, | |
2538 | true, header); | |
2539 | if (IS_ERR(kernel_commands)) | |
2540 | return kernel_commands; | |
2541 | ||
2542 | ret = copy_from_user(kernel_commands, user_commands, | |
2543 | command_size); | |
2544 | if (ret) { | |
2545 | DRM_ERROR("Failed copying commands.\n"); | |
2546 | vmw_cmdbuf_header_free(*header); | |
2547 | *header = NULL; | |
2548 | return ERR_PTR(-EFAULT); | |
2549 | } | |
2550 | ||
2551 | return kernel_commands; | |
2552 | } | |
18e4a466 | 2553 | |
922ade0d TH |
2554 | int vmw_execbuf_process(struct drm_file *file_priv, |
2555 | struct vmw_private *dev_priv, | |
2556 | void __user *user_commands, | |
2557 | void *kernel_commands, | |
2558 | uint32_t command_size, | |
2559 | uint64_t throttle_us, | |
c9146cd9 | 2560 | uint32_t quirks, |
bb1bd2f4 JB |
2561 | struct drm_vmw_fence_rep __user *user_fence_rep, |
2562 | struct vmw_fence_obj **out_fence) | |
fb1d9738 | 2563 | { |
fb1d9738 | 2564 | struct vmw_sw_context *sw_context = &dev_priv->ctx; |
bb1bd2f4 | 2565 | struct vmw_fence_obj *fence = NULL; |
c0951b79 TH |
2566 | struct vmw_resource *error_resource; |
2567 | struct list_head resource_list; | |
3eab3d9e | 2568 | struct vmw_cmdbuf_header *header; |
ecff665f | 2569 | struct ww_acquire_ctx ticket; |
ae2a1040 | 2570 | uint32_t handle; |
922ade0d | 2571 | int ret; |
fb1d9738 | 2572 | |
3eab3d9e TH |
2573 | if (throttle_us) { |
2574 | ret = vmw_wait_lag(dev_priv, &dev_priv->fifo.marker_queue, | |
2575 | throttle_us); | |
2576 | ||
2577 | if (ret) | |
2578 | return ret; | |
2579 | } | |
2580 | ||
2581 | kernel_commands = vmw_execbuf_cmdbuf(dev_priv, user_commands, | |
2582 | kernel_commands, command_size, | |
2583 | &header); | |
2584 | if (IS_ERR(kernel_commands)) | |
2585 | return PTR_ERR(kernel_commands); | |
2586 | ||
922ade0d | 2587 | ret = mutex_lock_interruptible(&dev_priv->cmdbuf_mutex); |
3eab3d9e TH |
2588 | if (ret) { |
2589 | ret = -ERESTARTSYS; | |
2590 | goto out_free_header; | |
2591 | } | |
fb1d9738 | 2592 | |
3eab3d9e | 2593 | sw_context->kernel = false; |
922ade0d | 2594 | if (kernel_commands == NULL) { |
922ade0d TH |
2595 | ret = vmw_resize_cmd_bounce(sw_context, command_size); |
2596 | if (unlikely(ret != 0)) | |
2597 | goto out_unlock; | |
fb1d9738 | 2598 | |
fb1d9738 | 2599 | |
922ade0d TH |
2600 | ret = copy_from_user(sw_context->cmd_bounce, |
2601 | user_commands, command_size); | |
2602 | ||
2603 | if (unlikely(ret != 0)) { | |
2604 | ret = -EFAULT; | |
2605 | DRM_ERROR("Failed copying commands.\n"); | |
2606 | goto out_unlock; | |
2607 | } | |
2608 | kernel_commands = sw_context->cmd_bounce; | |
3eab3d9e | 2609 | } else if (!header) |
922ade0d | 2610 | sw_context->kernel = true; |
fb1d9738 | 2611 | |
d5bde956 | 2612 | sw_context->fp = vmw_fpriv(file_priv); |
fb1d9738 JB |
2613 | sw_context->cur_reloc = 0; |
2614 | sw_context->cur_val_buf = 0; | |
c9146cd9 | 2615 | sw_context->quirks = quirks; |
f18c8840 | 2616 | INIT_LIST_HEAD(&sw_context->resource_list); |
e2fa3a76 | 2617 | sw_context->cur_query_bo = dev_priv->pinned_bo; |
c0951b79 TH |
2618 | sw_context->last_query_ctx = NULL; |
2619 | sw_context->needs_post_query_barrier = false; | |
2620 | memset(sw_context->res_cache, 0, sizeof(sw_context->res_cache)); | |
fb1d9738 | 2621 | INIT_LIST_HEAD(&sw_context->validate_nodes); |
c0951b79 TH |
2622 | INIT_LIST_HEAD(&sw_context->res_relocations); |
2623 | if (!sw_context->res_ht_initialized) { | |
2624 | ret = drm_ht_create(&sw_context->res_ht, VMW_RES_HT_ORDER); | |
2625 | if (unlikely(ret != 0)) | |
2626 | goto out_unlock; | |
2627 | sw_context->res_ht_initialized = true; | |
2628 | } | |
18e4a466 | 2629 | INIT_LIST_HEAD(&sw_context->staged_cmd_res); |
c0951b79 | 2630 | INIT_LIST_HEAD(&resource_list); |
922ade0d TH |
2631 | ret = vmw_cmd_check_all(dev_priv, sw_context, kernel_commands, |
2632 | command_size); | |
fb1d9738 | 2633 | if (unlikely(ret != 0)) |
cf5e3413 | 2634 | goto out_err_nores; |
be38ab6e | 2635 | |
c0951b79 TH |
2636 | ret = vmw_resources_reserve(sw_context); |
2637 | if (unlikely(ret != 0)) | |
cf5e3413 | 2638 | goto out_err_nores; |
c0951b79 | 2639 | |
aa35071c CK |
2640 | ret = ttm_eu_reserve_buffers(&ticket, &sw_context->validate_nodes, |
2641 | true, NULL); | |
fb1d9738 JB |
2642 | if (unlikely(ret != 0)) |
2643 | goto out_err; | |
2644 | ||
2645 | ret = vmw_validate_buffers(dev_priv, sw_context); | |
2646 | if (unlikely(ret != 0)) | |
2647 | goto out_err; | |
2648 | ||
c0951b79 TH |
2649 | ret = vmw_resources_validate(sw_context); |
2650 | if (unlikely(ret != 0)) | |
2651 | goto out_err; | |
1925d456 | 2652 | |
173fb7d4 TH |
2653 | ret = mutex_lock_interruptible(&dev_priv->binding_mutex); |
2654 | if (unlikely(ret != 0)) { | |
2655 | ret = -ERESTARTSYS; | |
2656 | goto out_err; | |
2657 | } | |
2658 | ||
30f82d81 TH |
2659 | if (dev_priv->has_mob) { |
2660 | ret = vmw_rebind_contexts(sw_context); | |
2661 | if (unlikely(ret != 0)) | |
b2ad9881 | 2662 | goto out_unlock_binding; |
30f82d81 TH |
2663 | } |
2664 | ||
3eab3d9e TH |
2665 | if (!header) { |
2666 | ret = vmw_execbuf_submit_fifo(dev_priv, kernel_commands, | |
2667 | command_size, sw_context); | |
2668 | } else { | |
2669 | ret = vmw_execbuf_submit_cmdbuf(dev_priv, header, command_size, | |
2670 | sw_context); | |
2671 | header = NULL; | |
1925d456 | 2672 | } |
3eab3d9e TH |
2673 | if (ret) |
2674 | goto out_unlock_binding; | |
fb1d9738 | 2675 | |
e2fa3a76 | 2676 | vmw_query_bo_switch_commit(dev_priv, sw_context); |
ae2a1040 TH |
2677 | ret = vmw_execbuf_fence_commands(file_priv, dev_priv, |
2678 | &fence, | |
2679 | (user_fence_rep) ? &handle : NULL); | |
fb1d9738 JB |
2680 | /* |
2681 | * This error is harmless, because if fence submission fails, | |
ae2a1040 TH |
2682 | * vmw_fifo_send_fence will sync. The error will be propagated to |
2683 | * user-space in @fence_rep | |
fb1d9738 JB |
2684 | */ |
2685 | ||
2686 | if (ret != 0) | |
2687 | DRM_ERROR("Fence submission error. Syncing.\n"); | |
2688 | ||
c0951b79 | 2689 | vmw_resource_list_unreserve(&sw_context->resource_list, false); |
173fb7d4 TH |
2690 | mutex_unlock(&dev_priv->binding_mutex); |
2691 | ||
ecff665f | 2692 | ttm_eu_fence_buffer_objects(&ticket, &sw_context->validate_nodes, |
ae2a1040 | 2693 | (void *) fence); |
fb1d9738 | 2694 | |
c0951b79 TH |
2695 | if (unlikely(dev_priv->pinned_bo != NULL && |
2696 | !dev_priv->query_cid_valid)) | |
2697 | __vmw_execbuf_release_pinned_bo(dev_priv, fence); | |
2698 | ||
ae2a1040 | 2699 | vmw_clear_validations(sw_context); |
8bf445ce TH |
2700 | vmw_execbuf_copy_fence_user(dev_priv, vmw_fpriv(file_priv), ret, |
2701 | user_fence_rep, fence, handle); | |
fb1d9738 | 2702 | |
bb1bd2f4 JB |
2703 | /* Don't unreference when handing fence out */ |
2704 | if (unlikely(out_fence != NULL)) { | |
2705 | *out_fence = fence; | |
2706 | fence = NULL; | |
2707 | } else if (likely(fence != NULL)) { | |
ae2a1040 | 2708 | vmw_fence_obj_unreference(&fence); |
bb1bd2f4 | 2709 | } |
fb1d9738 | 2710 | |
c0951b79 | 2711 | list_splice_init(&sw_context->resource_list, &resource_list); |
18e4a466 | 2712 | vmw_cmdbuf_res_commit(&sw_context->staged_cmd_res); |
922ade0d | 2713 | mutex_unlock(&dev_priv->cmdbuf_mutex); |
c0951b79 TH |
2714 | |
2715 | /* | |
2716 | * Unreference resources outside of the cmdbuf_mutex to | |
2717 | * avoid deadlocks in resource destruction paths. | |
2718 | */ | |
2719 | vmw_resource_list_unreference(&resource_list); | |
2720 | ||
fb1d9738 | 2721 | return 0; |
922ade0d | 2722 | |
173fb7d4 TH |
2723 | out_unlock_binding: |
2724 | mutex_unlock(&dev_priv->binding_mutex); | |
fb1d9738 | 2725 | out_err: |
ecff665f | 2726 | ttm_eu_backoff_reservation(&ticket, &sw_context->validate_nodes); |
cf5e3413 | 2727 | out_err_nores: |
c0951b79 | 2728 | vmw_resource_list_unreserve(&sw_context->resource_list, true); |
cf5e3413 TH |
2729 | vmw_resource_relocations_free(&sw_context->res_relocations); |
2730 | vmw_free_relocations(sw_context); | |
fb1d9738 | 2731 | vmw_clear_validations(sw_context); |
c0951b79 TH |
2732 | if (unlikely(dev_priv->pinned_bo != NULL && |
2733 | !dev_priv->query_cid_valid)) | |
2734 | __vmw_execbuf_release_pinned_bo(dev_priv, NULL); | |
fb1d9738 | 2735 | out_unlock: |
c0951b79 TH |
2736 | list_splice_init(&sw_context->resource_list, &resource_list); |
2737 | error_resource = sw_context->error_resource; | |
2738 | sw_context->error_resource = NULL; | |
18e4a466 | 2739 | vmw_cmdbuf_res_revert(&sw_context->staged_cmd_res); |
fb1d9738 | 2740 | mutex_unlock(&dev_priv->cmdbuf_mutex); |
c0951b79 TH |
2741 | |
2742 | /* | |
2743 | * Unreference resources outside of the cmdbuf_mutex to | |
2744 | * avoid deadlocks in resource destruction paths. | |
2745 | */ | |
2746 | vmw_resource_list_unreference(&resource_list); | |
2747 | if (unlikely(error_resource != NULL)) | |
2748 | vmw_resource_unreference(&error_resource); | |
3eab3d9e TH |
2749 | out_free_header: |
2750 | if (header) | |
2751 | vmw_cmdbuf_header_free(header); | |
c0951b79 | 2752 | |
922ade0d TH |
2753 | return ret; |
2754 | } | |
2755 | ||
e2fa3a76 TH |
2756 | /** |
2757 | * vmw_execbuf_unpin_panic - Idle the fifo and unpin the query buffer. | |
2758 | * | |
2759 | * @dev_priv: The device private structure. | |
2760 | * | |
2761 | * This function is called to idle the fifo and unpin the query buffer | |
2762 | * if the normal way to do this hits an error, which should typically be | |
2763 | * extremely rare. | |
2764 | */ | |
2765 | static void vmw_execbuf_unpin_panic(struct vmw_private *dev_priv) | |
2766 | { | |
2767 | DRM_ERROR("Can't unpin query buffer. Trying to recover.\n"); | |
2768 | ||
2769 | (void) vmw_fallback_wait(dev_priv, false, true, 0, false, 10*HZ); | |
2770 | vmw_bo_pin(dev_priv->pinned_bo, false); | |
2771 | vmw_bo_pin(dev_priv->dummy_query_bo, false); | |
2772 | dev_priv->dummy_query_bo_pinned = false; | |
2773 | } | |
2774 | ||
2775 | ||
2776 | /** | |
c0951b79 | 2777 | * __vmw_execbuf_release_pinned_bo - Flush queries and unpin the pinned |
e2fa3a76 TH |
2778 | * query bo. |
2779 | * | |
2780 | * @dev_priv: The device private structure. | |
c0951b79 TH |
2781 | * @fence: If non-NULL should point to a struct vmw_fence_obj issued |
2782 | * _after_ a query barrier that flushes all queries touching the current | |
2783 | * buffer pointed to by @dev_priv->pinned_bo | |
e2fa3a76 TH |
2784 | * |
2785 | * This function should be used to unpin the pinned query bo, or | |
2786 | * as a query barrier when we need to make sure that all queries have | |
2787 | * finished before the next fifo command. (For example on hardware | |
2788 | * context destructions where the hardware may otherwise leak unfinished | |
2789 | * queries). | |
2790 | * | |
2791 | * This function does not return any failure codes, but make attempts | |
2792 | * to do safe unpinning in case of errors. | |
2793 | * | |
2794 | * The function will synchronize on the previous query barrier, and will | |
2795 | * thus not finish until that barrier has executed. | |
c0951b79 TH |
2796 | * |
2797 | * the @dev_priv->cmdbuf_mutex needs to be held by the current thread | |
2798 | * before calling this function. | |
e2fa3a76 | 2799 | */ |
c0951b79 TH |
2800 | void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv, |
2801 | struct vmw_fence_obj *fence) | |
e2fa3a76 TH |
2802 | { |
2803 | int ret = 0; | |
2804 | struct list_head validate_list; | |
2805 | struct ttm_validate_buffer pinned_val, query_val; | |
c0951b79 | 2806 | struct vmw_fence_obj *lfence = NULL; |
ecff665f | 2807 | struct ww_acquire_ctx ticket; |
e2fa3a76 TH |
2808 | |
2809 | if (dev_priv->pinned_bo == NULL) | |
2810 | goto out_unlock; | |
2811 | ||
e2fa3a76 TH |
2812 | INIT_LIST_HEAD(&validate_list); |
2813 | ||
e2fa3a76 | 2814 | pinned_val.bo = ttm_bo_reference(dev_priv->pinned_bo); |
ae9c0af2 | 2815 | pinned_val.shared = false; |
e2fa3a76 TH |
2816 | list_add_tail(&pinned_val.head, &validate_list); |
2817 | ||
e2fa3a76 | 2818 | query_val.bo = ttm_bo_reference(dev_priv->dummy_query_bo); |
ae9c0af2 | 2819 | query_val.shared = false; |
e2fa3a76 TH |
2820 | list_add_tail(&query_val.head, &validate_list); |
2821 | ||
aa35071c CK |
2822 | ret = ttm_eu_reserve_buffers(&ticket, &validate_list, |
2823 | false, NULL); | |
e2fa3a76 TH |
2824 | if (unlikely(ret != 0)) { |
2825 | vmw_execbuf_unpin_panic(dev_priv); | |
2826 | goto out_no_reserve; | |
2827 | } | |
2828 | ||
c0951b79 TH |
2829 | if (dev_priv->query_cid_valid) { |
2830 | BUG_ON(fence != NULL); | |
2831 | ret = vmw_fifo_emit_dummy_query(dev_priv, dev_priv->query_cid); | |
2832 | if (unlikely(ret != 0)) { | |
2833 | vmw_execbuf_unpin_panic(dev_priv); | |
2834 | goto out_no_emit; | |
2835 | } | |
2836 | dev_priv->query_cid_valid = false; | |
e2fa3a76 TH |
2837 | } |
2838 | ||
2839 | vmw_bo_pin(dev_priv->pinned_bo, false); | |
2840 | vmw_bo_pin(dev_priv->dummy_query_bo, false); | |
2841 | dev_priv->dummy_query_bo_pinned = false; | |
2842 | ||
c0951b79 TH |
2843 | if (fence == NULL) { |
2844 | (void) vmw_execbuf_fence_commands(NULL, dev_priv, &lfence, | |
2845 | NULL); | |
2846 | fence = lfence; | |
2847 | } | |
ecff665f | 2848 | ttm_eu_fence_buffer_objects(&ticket, &validate_list, (void *) fence); |
c0951b79 TH |
2849 | if (lfence != NULL) |
2850 | vmw_fence_obj_unreference(&lfence); | |
e2fa3a76 TH |
2851 | |
2852 | ttm_bo_unref(&query_val.bo); | |
2853 | ttm_bo_unref(&pinned_val.bo); | |
2854 | ttm_bo_unref(&dev_priv->pinned_bo); | |
2855 | ||
2856 | out_unlock: | |
e2fa3a76 TH |
2857 | return; |
2858 | ||
2859 | out_no_emit: | |
ecff665f | 2860 | ttm_eu_backoff_reservation(&ticket, &validate_list); |
e2fa3a76 TH |
2861 | out_no_reserve: |
2862 | ttm_bo_unref(&query_val.bo); | |
2863 | ttm_bo_unref(&pinned_val.bo); | |
2864 | ttm_bo_unref(&dev_priv->pinned_bo); | |
c0951b79 TH |
2865 | } |
2866 | ||
2867 | /** | |
2868 | * vmw_execbuf_release_pinned_bo - Flush queries and unpin the pinned | |
2869 | * query bo. | |
2870 | * | |
2871 | * @dev_priv: The device private structure. | |
2872 | * | |
2873 | * This function should be used to unpin the pinned query bo, or | |
2874 | * as a query barrier when we need to make sure that all queries have | |
2875 | * finished before the next fifo command. (For example on hardware | |
2876 | * context destructions where the hardware may otherwise leak unfinished | |
2877 | * queries). | |
2878 | * | |
2879 | * This function does not return any failure codes, but make attempts | |
2880 | * to do safe unpinning in case of errors. | |
2881 | * | |
2882 | * The function will synchronize on the previous query barrier, and will | |
2883 | * thus not finish until that barrier has executed. | |
2884 | */ | |
2885 | void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv) | |
2886 | { | |
2887 | mutex_lock(&dev_priv->cmdbuf_mutex); | |
2888 | if (dev_priv->query_cid_valid) | |
2889 | __vmw_execbuf_release_pinned_bo(dev_priv, NULL); | |
e2fa3a76 TH |
2890 | mutex_unlock(&dev_priv->cmdbuf_mutex); |
2891 | } | |
2892 | ||
922ade0d TH |
2893 | |
2894 | int vmw_execbuf_ioctl(struct drm_device *dev, void *data, | |
2895 | struct drm_file *file_priv) | |
2896 | { | |
2897 | struct vmw_private *dev_priv = vmw_priv(dev); | |
2898 | struct drm_vmw_execbuf_arg *arg = (struct drm_vmw_execbuf_arg *)data; | |
922ade0d TH |
2899 | int ret; |
2900 | ||
2901 | /* | |
2902 | * This will allow us to extend the ioctl argument while | |
2903 | * maintaining backwards compatibility: | |
2904 | * We take different code paths depending on the value of | |
2905 | * arg->version. | |
2906 | */ | |
2907 | ||
2908 | if (unlikely(arg->version != DRM_VMW_EXECBUF_VERSION)) { | |
2909 | DRM_ERROR("Incorrect execbuf version.\n"); | |
2910 | DRM_ERROR("You're running outdated experimental " | |
2911 | "vmwgfx user-space drivers."); | |
2912 | return -EINVAL; | |
2913 | } | |
2914 | ||
294adf7d | 2915 | ret = ttm_read_lock(&dev_priv->reservation_sem, true); |
922ade0d TH |
2916 | if (unlikely(ret != 0)) |
2917 | return ret; | |
2918 | ||
2919 | ret = vmw_execbuf_process(file_priv, dev_priv, | |
2920 | (void __user *)(unsigned long)arg->commands, | |
2921 | NULL, arg->command_size, arg->throttle_us, | |
c9146cd9 | 2922 | 0, |
bb1bd2f4 JB |
2923 | (void __user *)(unsigned long)arg->fence_rep, |
2924 | NULL); | |
5151adb3 | 2925 | ttm_read_unlock(&dev_priv->reservation_sem); |
922ade0d | 2926 | if (unlikely(ret != 0)) |
5151adb3 | 2927 | return ret; |
922ade0d TH |
2928 | |
2929 | vmw_kms_cursor_post_execbuf(dev_priv); | |
2930 | ||
5151adb3 | 2931 | return 0; |
fb1d9738 | 2932 | } |