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1/**************************************************************************
2 *
3 * Copyright © 2009 - 2015 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"
30#include <drm/ttm/ttm_bo_api.h>
31#include <drm/ttm/ttm_placement.h>
32#include "vmwgfx_so.h"
33#include "vmwgfx_binding.h"
34
35#define VMW_RES_HT_ORDER 12
36
37/**
38 * struct vmw_resource_relocation - Relocation info for resources
39 *
40 * @head: List head for the software context's relocation list.
41 * @res: Non-ref-counted pointer to the resource.
42 * @offset: Offset of 4 byte entries into the command buffer where the
43 * id that needs fixup is located.
44 */
45struct vmw_resource_relocation {
46 struct list_head head;
47 const struct vmw_resource *res;
48 unsigned long offset;
49};
50
51/**
52 * struct vmw_resource_val_node - Validation info for resources
53 *
54 * @head: List head for the software context's resource list.
55 * @hash: Hash entry for quick resouce to val_node lookup.
56 * @res: Ref-counted pointer to the resource.
57 * @switch_backup: Boolean whether to switch backup buffer on unreserve.
58 * @new_backup: Refcounted pointer to the new backup buffer.
59 * @staged_bindings: If @res is a context, tracks bindings set up during
60 * the command batch. Otherwise NULL.
61 * @new_backup_offset: New backup buffer offset if @new_backup is non-NUll.
62 * @first_usage: Set to true the first time the resource is referenced in
63 * the command stream.
64 * @switching_backup: The command stream provides a new backup buffer for a
65 * resource.
66 * @no_buffer_needed: This means @switching_backup is true on first buffer
67 * reference. So resource reservation does not need to allocate a backup
68 * buffer for the resource.
69 */
70struct vmw_resource_val_node {
71 struct list_head head;
72 struct drm_hash_item hash;
73 struct vmw_resource *res;
74 struct vmw_dma_buffer *new_backup;
75 struct vmw_ctx_binding_state *staged_bindings;
76 unsigned long new_backup_offset;
77 u32 first_usage : 1;
78 u32 switching_backup : 1;
79 u32 no_buffer_needed : 1;
80};
81
82/**
83 * struct vmw_cmd_entry - Describe a command for the verifier
84 *
85 * @user_allow: Whether allowed from the execbuf ioctl.
86 * @gb_disable: Whether disabled if guest-backed objects are available.
87 * @gb_enable: Whether enabled iff guest-backed objects are available.
88 */
89struct vmw_cmd_entry {
90 int (*func) (struct vmw_private *, struct vmw_sw_context *,
91 SVGA3dCmdHeader *);
92 bool user_allow;
93 bool gb_disable;
94 bool gb_enable;
95};
96
97#define VMW_CMD_DEF(_cmd, _func, _user_allow, _gb_disable, _gb_enable) \
98 [(_cmd) - SVGA_3D_CMD_BASE] = {(_func), (_user_allow),\
99 (_gb_disable), (_gb_enable)}
100
101static int vmw_resource_context_res_add(struct vmw_private *dev_priv,
102 struct vmw_sw_context *sw_context,
103 struct vmw_resource *ctx);
104static int vmw_translate_mob_ptr(struct vmw_private *dev_priv,
105 struct vmw_sw_context *sw_context,
106 SVGAMobId *id,
107 struct vmw_dma_buffer **vmw_bo_p);
108static int vmw_bo_to_validate_list(struct vmw_sw_context *sw_context,
109 struct vmw_dma_buffer *vbo,
110 bool validate_as_mob,
111 uint32_t *p_val_node);
112
113
114/**
115 * vmw_resources_unreserve - unreserve resources previously reserved for
116 * command submission.
117 *
118 * @sw_context: pointer to the software context
119 * @backoff: Whether command submission failed.
120 */
121static void vmw_resources_unreserve(struct vmw_sw_context *sw_context,
122 bool backoff)
123{
124 struct vmw_resource_val_node *val;
125 struct list_head *list = &sw_context->resource_list;
126
127 if (sw_context->dx_query_mob && !backoff)
128 vmw_context_bind_dx_query(sw_context->dx_query_ctx,
129 sw_context->dx_query_mob);
130
131 list_for_each_entry(val, list, head) {
132 struct vmw_resource *res = val->res;
133 bool switch_backup =
134 (backoff) ? false : val->switching_backup;
135
136 /*
137 * Transfer staged context bindings to the
138 * persistent context binding tracker.
139 */
140 if (unlikely(val->staged_bindings)) {
141 if (!backoff) {
142 vmw_binding_state_commit
143 (vmw_context_binding_state(val->res),
144 val->staged_bindings);
145 }
146
147 if (val->staged_bindings != sw_context->staged_bindings)
148 vmw_binding_state_free(val->staged_bindings);
149 else
150 sw_context->staged_bindings_inuse = false;
151 val->staged_bindings = NULL;
152 }
153 vmw_resource_unreserve(res, switch_backup, val->new_backup,
154 val->new_backup_offset);
155 vmw_dmabuf_unreference(&val->new_backup);
156 }
157}
158
159/**
160 * vmw_cmd_ctx_first_setup - Perform the setup needed when a context is
161 * added to the validate list.
162 *
163 * @dev_priv: Pointer to the device private:
164 * @sw_context: The validation context:
165 * @node: The validation node holding this context.
166 */
167static int vmw_cmd_ctx_first_setup(struct vmw_private *dev_priv,
168 struct vmw_sw_context *sw_context,
169 struct vmw_resource_val_node *node)
170{
171 int ret;
172
173 ret = vmw_resource_context_res_add(dev_priv, sw_context, node->res);
174 if (unlikely(ret != 0))
175 goto out_err;
176
177 if (!sw_context->staged_bindings) {
178 sw_context->staged_bindings =
179 vmw_binding_state_alloc(dev_priv);
180 if (IS_ERR(sw_context->staged_bindings)) {
181 DRM_ERROR("Failed to allocate context binding "
182 "information.\n");
183 ret = PTR_ERR(sw_context->staged_bindings);
184 sw_context->staged_bindings = NULL;
185 goto out_err;
186 }
187 }
188
189 if (sw_context->staged_bindings_inuse) {
190 node->staged_bindings = vmw_binding_state_alloc(dev_priv);
191 if (IS_ERR(node->staged_bindings)) {
192 DRM_ERROR("Failed to allocate context binding "
193 "information.\n");
194 ret = PTR_ERR(node->staged_bindings);
195 node->staged_bindings = NULL;
196 goto out_err;
197 }
198 } else {
199 node->staged_bindings = sw_context->staged_bindings;
200 sw_context->staged_bindings_inuse = true;
201 }
202
203 return 0;
204out_err:
205 return ret;
206}
207
208/**
209 * vmw_resource_val_add - Add a resource to the software context's
210 * resource list if it's not already on it.
211 *
212 * @sw_context: Pointer to the software context.
213 * @res: Pointer to the resource.
214 * @p_node On successful return points to a valid pointer to a
215 * struct vmw_resource_val_node, if non-NULL on entry.
216 */
217static int vmw_resource_val_add(struct vmw_sw_context *sw_context,
218 struct vmw_resource *res,
219 struct vmw_resource_val_node **p_node)
220{
221 struct vmw_private *dev_priv = res->dev_priv;
222 struct vmw_resource_val_node *node;
223 struct drm_hash_item *hash;
224 int ret;
225
226 if (likely(drm_ht_find_item(&sw_context->res_ht, (unsigned long) res,
227 &hash) == 0)) {
228 node = container_of(hash, struct vmw_resource_val_node, hash);
229 node->first_usage = false;
230 if (unlikely(p_node != NULL))
231 *p_node = node;
232 return 0;
233 }
234
235 node = kzalloc(sizeof(*node), GFP_KERNEL);
236 if (unlikely(node == NULL)) {
237 DRM_ERROR("Failed to allocate a resource validation "
238 "entry.\n");
239 return -ENOMEM;
240 }
241
242 node->hash.key = (unsigned long) res;
243 ret = drm_ht_insert_item(&sw_context->res_ht, &node->hash);
244 if (unlikely(ret != 0)) {
245 DRM_ERROR("Failed to initialize a resource validation "
246 "entry.\n");
247 kfree(node);
248 return ret;
249 }
250 node->res = vmw_resource_reference(res);
251 node->first_usage = true;
252 if (unlikely(p_node != NULL))
253 *p_node = node;
254
255 if (!dev_priv->has_mob) {
256 list_add_tail(&node->head, &sw_context->resource_list);
257 return 0;
258 }
259
260 switch (vmw_res_type(res)) {
261 case vmw_res_context:
262 case vmw_res_dx_context:
263 list_add(&node->head, &sw_context->ctx_resource_list);
264 ret = vmw_cmd_ctx_first_setup(dev_priv, sw_context, node);
265 break;
266 case vmw_res_cotable:
267 list_add_tail(&node->head, &sw_context->ctx_resource_list);
268 break;
269 default:
270 list_add_tail(&node->head, &sw_context->resource_list);
271 break;
272 }
273
274 return ret;
275}
276
277/**
278 * vmw_view_res_val_add - Add a view and the surface it's pointing to
279 * to the validation list
280 *
281 * @sw_context: The software context holding the validation list.
282 * @view: Pointer to the view resource.
283 *
284 * Returns 0 if success, negative error code otherwise.
285 */
286static int vmw_view_res_val_add(struct vmw_sw_context *sw_context,
287 struct vmw_resource *view)
288{
289 int ret;
290
291 /*
292 * First add the resource the view is pointing to, otherwise
293 * it may be swapped out when the view is validated.
294 */
295 ret = vmw_resource_val_add(sw_context, vmw_view_srf(view), NULL);
296 if (ret)
297 return ret;
298
299 return vmw_resource_val_add(sw_context, view, NULL);
300}
301
302/**
303 * vmw_view_id_val_add - Look up a view and add it and the surface it's
304 * pointing to to the validation list.
305 *
306 * @sw_context: The software context holding the validation list.
307 * @view_type: The view type to look up.
308 * @id: view id of the view.
309 *
310 * The view is represented by a view id and the DX context it's created on,
311 * or scheduled for creation on. If there is no DX context set, the function
312 * will return -EINVAL. Otherwise returns 0 on success and -EINVAL on failure.
313 */
314static int vmw_view_id_val_add(struct vmw_sw_context *sw_context,
315 enum vmw_view_type view_type, u32 id)
316{
317 struct vmw_resource_val_node *ctx_node = sw_context->dx_ctx_node;
318 struct vmw_resource *view;
319 int ret;
320
321 if (!ctx_node) {
322 DRM_ERROR("DX Context not set.\n");
323 return -EINVAL;
324 }
325
326 view = vmw_view_lookup(sw_context->man, view_type, id);
327 if (IS_ERR(view))
328 return PTR_ERR(view);
329
330 ret = vmw_view_res_val_add(sw_context, view);
331 vmw_resource_unreference(&view);
332
333 return ret;
334}
335
336/**
337 * vmw_resource_context_res_add - Put resources previously bound to a context on
338 * the validation list
339 *
340 * @dev_priv: Pointer to a device private structure
341 * @sw_context: Pointer to a software context used for this command submission
342 * @ctx: Pointer to the context resource
343 *
344 * This function puts all resources that were previously bound to @ctx on
345 * the resource validation list. This is part of the context state reemission
346 */
347static int vmw_resource_context_res_add(struct vmw_private *dev_priv,
348 struct vmw_sw_context *sw_context,
349 struct vmw_resource *ctx)
350{
351 struct list_head *binding_list;
352 struct vmw_ctx_bindinfo *entry;
353 int ret = 0;
354 struct vmw_resource *res;
355 u32 i;
356
357 /* Add all cotables to the validation list. */
358 if (dev_priv->has_dx && vmw_res_type(ctx) == vmw_res_dx_context) {
359 for (i = 0; i < SVGA_COTABLE_DX10_MAX; ++i) {
360 res = vmw_context_cotable(ctx, i);
361 if (IS_ERR(res))
362 continue;
363
364 ret = vmw_resource_val_add(sw_context, res, NULL);
365 vmw_resource_unreference(&res);
366 if (unlikely(ret != 0))
367 return ret;
368 }
369 }
370
371
372 /* Add all resources bound to the context to the validation list */
373 mutex_lock(&dev_priv->binding_mutex);
374 binding_list = vmw_context_binding_list(ctx);
375
376 list_for_each_entry(entry, binding_list, ctx_list) {
377 /* entry->res is not refcounted */
378 res = vmw_resource_reference_unless_doomed(entry->res);
379 if (unlikely(res == NULL))
380 continue;
381
382 if (vmw_res_type(entry->res) == vmw_res_view)
383 ret = vmw_view_res_val_add(sw_context, entry->res);
384 else
385 ret = vmw_resource_val_add(sw_context, entry->res,
386 NULL);
387 vmw_resource_unreference(&res);
388 if (unlikely(ret != 0))
389 break;
390 }
391
392 if (dev_priv->has_dx && vmw_res_type(ctx) == vmw_res_dx_context) {
393 struct vmw_dma_buffer *dx_query_mob;
394
395 dx_query_mob = vmw_context_get_dx_query_mob(ctx);
396 if (dx_query_mob)
397 ret = vmw_bo_to_validate_list(sw_context,
398 dx_query_mob,
399 true, NULL);
400 }
401
402 mutex_unlock(&dev_priv->binding_mutex);
403 return ret;
404}
405
406/**
407 * vmw_resource_relocation_add - Add a relocation to the relocation list
408 *
409 * @list: Pointer to head of relocation list.
410 * @res: The resource.
411 * @offset: Offset into the command buffer currently being parsed where the
412 * id that needs fixup is located. Granularity is 4 bytes.
413 */
414static int vmw_resource_relocation_add(struct list_head *list,
415 const struct vmw_resource *res,
416 unsigned long offset)
417{
418 struct vmw_resource_relocation *rel;
419
420 rel = kmalloc(sizeof(*rel), GFP_KERNEL);
421 if (unlikely(rel == NULL)) {
422 DRM_ERROR("Failed to allocate a resource relocation.\n");
423 return -ENOMEM;
424 }
425
426 rel->res = res;
427 rel->offset = offset;
428 list_add_tail(&rel->head, list);
429
430 return 0;
431}
432
433/**
434 * vmw_resource_relocations_free - Free all relocations on a list
435 *
436 * @list: Pointer to the head of the relocation list.
437 */
438static void vmw_resource_relocations_free(struct list_head *list)
439{
440 struct vmw_resource_relocation *rel, *n;
441
442 list_for_each_entry_safe(rel, n, list, head) {
443 list_del(&rel->head);
444 kfree(rel);
445 }
446}
447
448/**
449 * vmw_resource_relocations_apply - Apply all relocations on a list
450 *
451 * @cb: Pointer to the start of the command buffer bein patch. This need
452 * not be the same buffer as the one being parsed when the relocation
453 * list was built, but the contents must be the same modulo the
454 * resource ids.
455 * @list: Pointer to the head of the relocation list.
456 */
457static void vmw_resource_relocations_apply(uint32_t *cb,
458 struct list_head *list)
459{
460 struct vmw_resource_relocation *rel;
461
462 list_for_each_entry(rel, list, head) {
463 if (likely(rel->res != NULL))
464 cb[rel->offset] = rel->res->id;
465 else
466 cb[rel->offset] = SVGA_3D_CMD_NOP;
467 }
468}
469
470static int vmw_cmd_invalid(struct vmw_private *dev_priv,
471 struct vmw_sw_context *sw_context,
472 SVGA3dCmdHeader *header)
473{
474 return capable(CAP_SYS_ADMIN) ? : -EINVAL;
475}
476
477static int vmw_cmd_ok(struct vmw_private *dev_priv,
478 struct vmw_sw_context *sw_context,
479 SVGA3dCmdHeader *header)
480{
481 return 0;
482}
483
484/**
485 * vmw_bo_to_validate_list - add a bo to a validate list
486 *
487 * @sw_context: The software context used for this command submission batch.
488 * @bo: The buffer object to add.
489 * @validate_as_mob: Validate this buffer as a MOB.
490 * @p_val_node: If non-NULL Will be updated with the validate node number
491 * on return.
492 *
493 * Returns -EINVAL if the limit of number of buffer objects per command
494 * submission is reached.
495 */
496static int vmw_bo_to_validate_list(struct vmw_sw_context *sw_context,
497 struct vmw_dma_buffer *vbo,
498 bool validate_as_mob,
499 uint32_t *p_val_node)
500{
501 uint32_t val_node;
502 struct vmw_validate_buffer *vval_buf;
503 struct ttm_validate_buffer *val_buf;
504 struct drm_hash_item *hash;
505 int ret;
506
507 if (likely(drm_ht_find_item(&sw_context->res_ht, (unsigned long) vbo,
508 &hash) == 0)) {
509 vval_buf = container_of(hash, struct vmw_validate_buffer,
510 hash);
511 if (unlikely(vval_buf->validate_as_mob != validate_as_mob)) {
512 DRM_ERROR("Inconsistent buffer usage.\n");
513 return -EINVAL;
514 }
515 val_buf = &vval_buf->base;
516 val_node = vval_buf - sw_context->val_bufs;
517 } else {
518 val_node = sw_context->cur_val_buf;
519 if (unlikely(val_node >= VMWGFX_MAX_VALIDATIONS)) {
520 DRM_ERROR("Max number of DMA buffers per submission "
521 "exceeded.\n");
522 return -EINVAL;
523 }
524 vval_buf = &sw_context->val_bufs[val_node];
525 vval_buf->hash.key = (unsigned long) vbo;
526 ret = drm_ht_insert_item(&sw_context->res_ht, &vval_buf->hash);
527 if (unlikely(ret != 0)) {
528 DRM_ERROR("Failed to initialize a buffer validation "
529 "entry.\n");
530 return ret;
531 }
532 ++sw_context->cur_val_buf;
533 val_buf = &vval_buf->base;
534 val_buf->bo = ttm_bo_reference(&vbo->base);
535 val_buf->shared = false;
536 list_add_tail(&val_buf->head, &sw_context->validate_nodes);
537 vval_buf->validate_as_mob = validate_as_mob;
538 }
539
540 if (p_val_node)
541 *p_val_node = val_node;
542
543 return 0;
544}
545
546/**
547 * vmw_resources_reserve - Reserve all resources on the sw_context's
548 * resource list.
549 *
550 * @sw_context: Pointer to the software context.
551 *
552 * Note that since vmware's command submission currently is protected by
553 * the cmdbuf mutex, no fancy deadlock avoidance is required for resources,
554 * since only a single thread at once will attempt this.
555 */
556static int vmw_resources_reserve(struct vmw_sw_context *sw_context)
557{
558 struct vmw_resource_val_node *val;
559 int ret = 0;
560
561 list_for_each_entry(val, &sw_context->resource_list, head) {
562 struct vmw_resource *res = val->res;
563
564 ret = vmw_resource_reserve(res, true, val->no_buffer_needed);
565 if (unlikely(ret != 0))
566 return ret;
567
568 if (res->backup) {
569 struct vmw_dma_buffer *vbo = res->backup;
570
571 ret = vmw_bo_to_validate_list
572 (sw_context, vbo,
573 vmw_resource_needs_backup(res), NULL);
574
575 if (unlikely(ret != 0))
576 return ret;
577 }
578 }
579
580 if (sw_context->dx_query_mob) {
581 struct vmw_dma_buffer *expected_dx_query_mob;
582
583 expected_dx_query_mob =
584 vmw_context_get_dx_query_mob(sw_context->dx_query_ctx);
585 if (expected_dx_query_mob &&
586 expected_dx_query_mob != sw_context->dx_query_mob) {
587 ret = -EINVAL;
588 }
589 }
590
591 return ret;
592}
593
594/**
595 * vmw_resources_validate - Validate all resources on the sw_context's
596 * resource list.
597 *
598 * @sw_context: Pointer to the software context.
599 *
600 * Before this function is called, all resource backup buffers must have
601 * been validated.
602 */
603static int vmw_resources_validate(struct vmw_sw_context *sw_context)
604{
605 struct vmw_resource_val_node *val;
606 int ret;
607
608 list_for_each_entry(val, &sw_context->resource_list, head) {
609 struct vmw_resource *res = val->res;
610 struct vmw_dma_buffer *backup = res->backup;
611
612 ret = vmw_resource_validate(res);
613 if (unlikely(ret != 0)) {
614 if (ret != -ERESTARTSYS)
615 DRM_ERROR("Failed to validate resource.\n");
616 return ret;
617 }
618
619 /* Check if the resource switched backup buffer */
620 if (backup && res->backup && (backup != res->backup)) {
621 struct vmw_dma_buffer *vbo = res->backup;
622
623 ret = vmw_bo_to_validate_list
624 (sw_context, vbo,
625 vmw_resource_needs_backup(res), NULL);
626 if (ret) {
627 ttm_bo_unreserve(&vbo->base);
628 return ret;
629 }
630 }
631 }
632 return 0;
633}
634
635/**
636 * vmw_cmd_res_reloc_add - Add a resource to a software context's
637 * relocation- and validation lists.
638 *
639 * @dev_priv: Pointer to a struct vmw_private identifying the device.
640 * @sw_context: Pointer to the software context.
641 * @id_loc: Pointer to where the id that needs translation is located.
642 * @res: Valid pointer to a struct vmw_resource.
643 * @p_val: If non null, a pointer to the struct vmw_resource_validate_node
644 * used for this resource is returned here.
645 */
646static int vmw_cmd_res_reloc_add(struct vmw_private *dev_priv,
647 struct vmw_sw_context *sw_context,
648 uint32_t *id_loc,
649 struct vmw_resource *res,
650 struct vmw_resource_val_node **p_val)
651{
652 int ret;
653 struct vmw_resource_val_node *node;
654
655 *p_val = NULL;
656 ret = vmw_resource_relocation_add(&sw_context->res_relocations,
657 res,
658 id_loc - sw_context->buf_start);
659 if (unlikely(ret != 0))
660 return ret;
661
662 ret = vmw_resource_val_add(sw_context, res, &node);
663 if (unlikely(ret != 0))
664 return ret;
665
666 if (p_val)
667 *p_val = node;
668
669 return 0;
670}
671
672
673/**
674 * vmw_cmd_res_check - Check that a resource is present and if so, put it
675 * on the resource validate list unless it's already there.
676 *
677 * @dev_priv: Pointer to a device private structure.
678 * @sw_context: Pointer to the software context.
679 * @res_type: Resource type.
680 * @converter: User-space visisble type specific information.
681 * @id_loc: Pointer to the location in the command buffer currently being
682 * parsed from where the user-space resource id handle is located.
683 * @p_val: Pointer to pointer to resource validalidation node. Populated
684 * on exit.
685 */
686static int
687vmw_cmd_res_check(struct vmw_private *dev_priv,
688 struct vmw_sw_context *sw_context,
689 enum vmw_res_type res_type,
690 const struct vmw_user_resource_conv *converter,
691 uint32_t *id_loc,
692 struct vmw_resource_val_node **p_val)
693{
694 struct vmw_res_cache_entry *rcache =
695 &sw_context->res_cache[res_type];
696 struct vmw_resource *res;
697 struct vmw_resource_val_node *node;
698 int ret;
699
700 if (*id_loc == SVGA3D_INVALID_ID) {
701 if (p_val)
702 *p_val = NULL;
703 if (res_type == vmw_res_context) {
704 DRM_ERROR("Illegal context invalid id.\n");
705 return -EINVAL;
706 }
707 return 0;
708 }
709
710 /*
711 * Fastpath in case of repeated commands referencing the same
712 * resource
713 */
714
715 if (likely(rcache->valid && *id_loc == rcache->handle)) {
716 const struct vmw_resource *res = rcache->res;
717
718 rcache->node->first_usage = false;
719 if (p_val)
720 *p_val = rcache->node;
721
722 return vmw_resource_relocation_add
723 (&sw_context->res_relocations, res,
724 id_loc - sw_context->buf_start);
725 }
726
727 ret = vmw_user_resource_lookup_handle(dev_priv,
728 sw_context->fp->tfile,
729 *id_loc,
730 converter,
731 &res);
732 if (unlikely(ret != 0)) {
733 DRM_ERROR("Could not find or use resource 0x%08x.\n",
734 (unsigned) *id_loc);
735 dump_stack();
736 return ret;
737 }
738
739 rcache->valid = true;
740 rcache->res = res;
741 rcache->handle = *id_loc;
742
743 ret = vmw_cmd_res_reloc_add(dev_priv, sw_context, id_loc,
744 res, &node);
745 if (unlikely(ret != 0))
746 goto out_no_reloc;
747
748 rcache->node = node;
749 if (p_val)
750 *p_val = node;
751 vmw_resource_unreference(&res);
752 return 0;
753
754out_no_reloc:
755 BUG_ON(sw_context->error_resource != NULL);
756 sw_context->error_resource = res;
757
758 return ret;
759}
760
761/**
762 * vmw_rebind_dx_query - Rebind DX query associated with the context
763 *
764 * @ctx_res: context the query belongs to
765 *
766 * This function assumes binding_mutex is held.
767 */
768static int vmw_rebind_all_dx_query(struct vmw_resource *ctx_res)
769{
770 struct vmw_private *dev_priv = ctx_res->dev_priv;
771 struct vmw_dma_buffer *dx_query_mob;
772 struct {
773 SVGA3dCmdHeader header;
774 SVGA3dCmdDXBindAllQuery body;
775 } *cmd;
776
777
778 dx_query_mob = vmw_context_get_dx_query_mob(ctx_res);
779
780 if (!dx_query_mob || dx_query_mob->dx_query_ctx)
781 return 0;
782
783 cmd = vmw_fifo_reserve_dx(dev_priv, sizeof(*cmd), ctx_res->id);
784
785 if (cmd == NULL) {
786 DRM_ERROR("Failed to rebind queries.\n");
787 return -ENOMEM;
788 }
789
790 cmd->header.id = SVGA_3D_CMD_DX_BIND_ALL_QUERY;
791 cmd->header.size = sizeof(cmd->body);
792 cmd->body.cid = ctx_res->id;
793 cmd->body.mobid = dx_query_mob->base.mem.start;
794 vmw_fifo_commit(dev_priv, sizeof(*cmd));
795
796 vmw_context_bind_dx_query(ctx_res, dx_query_mob);
797
798 return 0;
799}
800
801/**
802 * vmw_rebind_contexts - Rebind all resources previously bound to
803 * referenced contexts.
804 *
805 * @sw_context: Pointer to the software context.
806 *
807 * Rebind context binding points that have been scrubbed because of eviction.
808 */
809static int vmw_rebind_contexts(struct vmw_sw_context *sw_context)
810{
811 struct vmw_resource_val_node *val;
812 int ret;
813
814 list_for_each_entry(val, &sw_context->resource_list, head) {
815 if (unlikely(!val->staged_bindings))
816 break;
817
818 ret = vmw_binding_rebind_all
819 (vmw_context_binding_state(val->res));
820 if (unlikely(ret != 0)) {
821 if (ret != -ERESTARTSYS)
822 DRM_ERROR("Failed to rebind context.\n");
823 return ret;
824 }
825
826 ret = vmw_rebind_all_dx_query(val->res);
827 if (ret != 0)
828 return ret;
829 }
830
831 return 0;
832}
833
834/**
835 * vmw_view_bindings_add - Add an array of view bindings to a context
836 * binding state tracker.
837 *
838 * @sw_context: The execbuf state used for this command.
839 * @view_type: View type for the bindings.
840 * @binding_type: Binding type for the bindings.
841 * @shader_slot: The shader slot to user for the bindings.
842 * @view_ids: Array of view ids to be bound.
843 * @num_views: Number of view ids in @view_ids.
844 * @first_slot: The binding slot to be used for the first view id in @view_ids.
845 */
846static int vmw_view_bindings_add(struct vmw_sw_context *sw_context,
847 enum vmw_view_type view_type,
848 enum vmw_ctx_binding_type binding_type,
849 uint32 shader_slot,
850 uint32 view_ids[], u32 num_views,
851 u32 first_slot)
852{
853 struct vmw_resource_val_node *ctx_node = sw_context->dx_ctx_node;
854 struct vmw_cmdbuf_res_manager *man;
855 u32 i;
856 int ret;
857
858 if (!ctx_node) {
859 DRM_ERROR("DX Context not set.\n");
860 return -EINVAL;
861 }
862
863 man = sw_context->man;
864 for (i = 0; i < num_views; ++i) {
865 struct vmw_ctx_bindinfo_view binding;
866 struct vmw_resource *view = NULL;
867
868 if (view_ids[i] != SVGA3D_INVALID_ID) {
869 view = vmw_view_lookup(man, view_type, view_ids[i]);
870 if (IS_ERR(view)) {
871 DRM_ERROR("View not found.\n");
872 return PTR_ERR(view);
873 }
874
875 ret = vmw_view_res_val_add(sw_context, view);
876 if (ret) {
877 DRM_ERROR("Could not add view to "
878 "validation list.\n");
879 vmw_resource_unreference(&view);
880 return ret;
881 }
882 }
883 binding.bi.ctx = ctx_node->res;
884 binding.bi.res = view;
885 binding.bi.bt = binding_type;
886 binding.shader_slot = shader_slot;
887 binding.slot = first_slot + i;
888 vmw_binding_add(ctx_node->staged_bindings, &binding.bi,
889 shader_slot, binding.slot);
890 if (view)
891 vmw_resource_unreference(&view);
892 }
893
894 return 0;
895}
896
897/**
898 * vmw_cmd_cid_check - Check a command header for valid context information.
899 *
900 * @dev_priv: Pointer to a device private structure.
901 * @sw_context: Pointer to the software context.
902 * @header: A command header with an embedded user-space context handle.
903 *
904 * Convenience function: Call vmw_cmd_res_check with the user-space context
905 * handle embedded in @header.
906 */
907static int vmw_cmd_cid_check(struct vmw_private *dev_priv,
908 struct vmw_sw_context *sw_context,
909 SVGA3dCmdHeader *header)
910{
911 struct vmw_cid_cmd {
912 SVGA3dCmdHeader header;
913 uint32_t cid;
914 } *cmd;
915
916 cmd = container_of(header, struct vmw_cid_cmd, header);
917 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
918 user_context_converter, &cmd->cid, NULL);
919}
920
921static int vmw_cmd_set_render_target_check(struct vmw_private *dev_priv,
922 struct vmw_sw_context *sw_context,
923 SVGA3dCmdHeader *header)
924{
925 struct vmw_sid_cmd {
926 SVGA3dCmdHeader header;
927 SVGA3dCmdSetRenderTarget body;
928 } *cmd;
929 struct vmw_resource_val_node *ctx_node;
930 struct vmw_resource_val_node *res_node;
931 int ret;
932
933 cmd = container_of(header, struct vmw_sid_cmd, header);
934
935 if (cmd->body.type >= SVGA3D_RT_MAX) {
936 DRM_ERROR("Illegal render target type %u.\n",
937 (unsigned) cmd->body.type);
938 return -EINVAL;
939 }
940
941 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
942 user_context_converter, &cmd->body.cid,
943 &ctx_node);
944 if (unlikely(ret != 0))
945 return ret;
946
947 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
948 user_surface_converter,
949 &cmd->body.target.sid, &res_node);
950 if (unlikely(ret != 0))
951 return ret;
952
953 if (dev_priv->has_mob) {
954 struct vmw_ctx_bindinfo_view binding;
955
956 binding.bi.ctx = ctx_node->res;
957 binding.bi.res = res_node ? res_node->res : NULL;
958 binding.bi.bt = vmw_ctx_binding_rt;
959 binding.slot = cmd->body.type;
960 vmw_binding_add(ctx_node->staged_bindings,
961 &binding.bi, 0, binding.slot);
962 }
963
964 return 0;
965}
966
967static int vmw_cmd_surface_copy_check(struct vmw_private *dev_priv,
968 struct vmw_sw_context *sw_context,
969 SVGA3dCmdHeader *header)
970{
971 struct vmw_sid_cmd {
972 SVGA3dCmdHeader header;
973 SVGA3dCmdSurfaceCopy body;
974 } *cmd;
975 int ret;
976
977 cmd = container_of(header, struct vmw_sid_cmd, header);
978
979 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
980 user_surface_converter,
981 &cmd->body.src.sid, NULL);
982 if (ret)
983 return ret;
984
985 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
986 user_surface_converter,
987 &cmd->body.dest.sid, NULL);
988}
989
990static int vmw_cmd_buffer_copy_check(struct vmw_private *dev_priv,
991 struct vmw_sw_context *sw_context,
992 SVGA3dCmdHeader *header)
993{
994 struct {
995 SVGA3dCmdHeader header;
996 SVGA3dCmdDXBufferCopy body;
997 } *cmd;
998 int ret;
999
1000 cmd = container_of(header, typeof(*cmd), header);
1001 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1002 user_surface_converter,
1003 &cmd->body.src, NULL);
1004 if (ret != 0)
1005 return ret;
1006
1007 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1008 user_surface_converter,
1009 &cmd->body.dest, NULL);
1010}
1011
1012static int vmw_cmd_pred_copy_check(struct vmw_private *dev_priv,
1013 struct vmw_sw_context *sw_context,
1014 SVGA3dCmdHeader *header)
1015{
1016 struct {
1017 SVGA3dCmdHeader header;
1018 SVGA3dCmdDXPredCopyRegion body;
1019 } *cmd;
1020 int ret;
1021
1022 cmd = container_of(header, typeof(*cmd), header);
1023 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1024 user_surface_converter,
1025 &cmd->body.srcSid, NULL);
1026 if (ret != 0)
1027 return ret;
1028
1029 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1030 user_surface_converter,
1031 &cmd->body.dstSid, NULL);
1032}
1033
1034static int vmw_cmd_stretch_blt_check(struct vmw_private *dev_priv,
1035 struct vmw_sw_context *sw_context,
1036 SVGA3dCmdHeader *header)
1037{
1038 struct vmw_sid_cmd {
1039 SVGA3dCmdHeader header;
1040 SVGA3dCmdSurfaceStretchBlt body;
1041 } *cmd;
1042 int ret;
1043
1044 cmd = container_of(header, struct vmw_sid_cmd, header);
1045 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1046 user_surface_converter,
1047 &cmd->body.src.sid, NULL);
1048 if (unlikely(ret != 0))
1049 return ret;
1050 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1051 user_surface_converter,
1052 &cmd->body.dest.sid, NULL);
1053}
1054
1055static int vmw_cmd_blt_surf_screen_check(struct vmw_private *dev_priv,
1056 struct vmw_sw_context *sw_context,
1057 SVGA3dCmdHeader *header)
1058{
1059 struct vmw_sid_cmd {
1060 SVGA3dCmdHeader header;
1061 SVGA3dCmdBlitSurfaceToScreen body;
1062 } *cmd;
1063
1064 cmd = container_of(header, struct vmw_sid_cmd, header);
1065
1066 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1067 user_surface_converter,
1068 &cmd->body.srcImage.sid, NULL);
1069}
1070
1071static int vmw_cmd_present_check(struct vmw_private *dev_priv,
1072 struct vmw_sw_context *sw_context,
1073 SVGA3dCmdHeader *header)
1074{
1075 struct vmw_sid_cmd {
1076 SVGA3dCmdHeader header;
1077 SVGA3dCmdPresent body;
1078 } *cmd;
1079
1080
1081 cmd = container_of(header, struct vmw_sid_cmd, header);
1082
1083 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1084 user_surface_converter, &cmd->body.sid,
1085 NULL);
1086}
1087
1088/**
1089 * vmw_query_bo_switch_prepare - Prepare to switch pinned buffer for queries.
1090 *
1091 * @dev_priv: The device private structure.
1092 * @new_query_bo: The new buffer holding query results.
1093 * @sw_context: The software context used for this command submission.
1094 *
1095 * This function checks whether @new_query_bo is suitable for holding
1096 * query results, and if another buffer currently is pinned for query
1097 * results. If so, the function prepares the state of @sw_context for
1098 * switching pinned buffers after successful submission of the current
1099 * command batch.
1100 */
1101static int vmw_query_bo_switch_prepare(struct vmw_private *dev_priv,
1102 struct vmw_dma_buffer *new_query_bo,
1103 struct vmw_sw_context *sw_context)
1104{
1105 struct vmw_res_cache_entry *ctx_entry =
1106 &sw_context->res_cache[vmw_res_context];
1107 int ret;
1108
1109 BUG_ON(!ctx_entry->valid);
1110 sw_context->last_query_ctx = ctx_entry->res;
1111
1112 if (unlikely(new_query_bo != sw_context->cur_query_bo)) {
1113
1114 if (unlikely(new_query_bo->base.num_pages > 4)) {
1115 DRM_ERROR("Query buffer too large.\n");
1116 return -EINVAL;
1117 }
1118
1119 if (unlikely(sw_context->cur_query_bo != NULL)) {
1120 sw_context->needs_post_query_barrier = true;
1121 ret = vmw_bo_to_validate_list(sw_context,
1122 sw_context->cur_query_bo,
1123 dev_priv->has_mob, NULL);
1124 if (unlikely(ret != 0))
1125 return ret;
1126 }
1127 sw_context->cur_query_bo = new_query_bo;
1128
1129 ret = vmw_bo_to_validate_list(sw_context,
1130 dev_priv->dummy_query_bo,
1131 dev_priv->has_mob, NULL);
1132 if (unlikely(ret != 0))
1133 return ret;
1134
1135 }
1136
1137 return 0;
1138}
1139
1140
1141/**
1142 * vmw_query_bo_switch_commit - Finalize switching pinned query buffer
1143 *
1144 * @dev_priv: The device private structure.
1145 * @sw_context: The software context used for this command submission batch.
1146 *
1147 * This function will check if we're switching query buffers, and will then,
1148 * issue a dummy occlusion query wait used as a query barrier. When the fence
1149 * object following that query wait has signaled, we are sure that all
1150 * preceding queries have finished, and the old query buffer can be unpinned.
1151 * However, since both the new query buffer and the old one are fenced with
1152 * that fence, we can do an asynchronus unpin now, and be sure that the
1153 * old query buffer won't be moved until the fence has signaled.
1154 *
1155 * As mentioned above, both the new - and old query buffers need to be fenced
1156 * using a sequence emitted *after* calling this function.
1157 */
1158static void vmw_query_bo_switch_commit(struct vmw_private *dev_priv,
1159 struct vmw_sw_context *sw_context)
1160{
1161 /*
1162 * The validate list should still hold references to all
1163 * contexts here.
1164 */
1165
1166 if (sw_context->needs_post_query_barrier) {
1167 struct vmw_res_cache_entry *ctx_entry =
1168 &sw_context->res_cache[vmw_res_context];
1169 struct vmw_resource *ctx;
1170 int ret;
1171
1172 BUG_ON(!ctx_entry->valid);
1173 ctx = ctx_entry->res;
1174
1175 ret = vmw_fifo_emit_dummy_query(dev_priv, ctx->id);
1176
1177 if (unlikely(ret != 0))
1178 DRM_ERROR("Out of fifo space for dummy query.\n");
1179 }
1180
1181 if (dev_priv->pinned_bo != sw_context->cur_query_bo) {
1182 if (dev_priv->pinned_bo) {
1183 vmw_bo_pin_reserved(dev_priv->pinned_bo, false);
1184 vmw_dmabuf_unreference(&dev_priv->pinned_bo);
1185 }
1186
1187 if (!sw_context->needs_post_query_barrier) {
1188 vmw_bo_pin_reserved(sw_context->cur_query_bo, true);
1189
1190 /*
1191 * We pin also the dummy_query_bo buffer so that we
1192 * don't need to validate it when emitting
1193 * dummy queries in context destroy paths.
1194 */
1195
1196 if (!dev_priv->dummy_query_bo_pinned) {
1197 vmw_bo_pin_reserved(dev_priv->dummy_query_bo,
1198 true);
1199 dev_priv->dummy_query_bo_pinned = true;
1200 }
1201
1202 BUG_ON(sw_context->last_query_ctx == NULL);
1203 dev_priv->query_cid = sw_context->last_query_ctx->id;
1204 dev_priv->query_cid_valid = true;
1205 dev_priv->pinned_bo =
1206 vmw_dmabuf_reference(sw_context->cur_query_bo);
1207 }
1208 }
1209}
1210
1211/**
1212 * vmw_translate_mob_pointer - Prepare to translate a user-space buffer
1213 * handle to a MOB id.
1214 *
1215 * @dev_priv: Pointer to a device private structure.
1216 * @sw_context: The software context used for this command batch validation.
1217 * @id: Pointer to the user-space handle to be translated.
1218 * @vmw_bo_p: Points to a location that, on successful return will carry
1219 * a reference-counted pointer to the DMA buffer identified by the
1220 * user-space handle in @id.
1221 *
1222 * This function saves information needed to translate a user-space buffer
1223 * handle to a MOB id. The translation does not take place immediately, but
1224 * during a call to vmw_apply_relocations(). This function builds a relocation
1225 * list and a list of buffers to validate. The former needs to be freed using
1226 * either vmw_apply_relocations() or vmw_free_relocations(). The latter
1227 * needs to be freed using vmw_clear_validations.
1228 */
1229static int vmw_translate_mob_ptr(struct vmw_private *dev_priv,
1230 struct vmw_sw_context *sw_context,
1231 SVGAMobId *id,
1232 struct vmw_dma_buffer **vmw_bo_p)
1233{
1234 struct vmw_dma_buffer *vmw_bo = NULL;
1235 uint32_t handle = *id;
1236 struct vmw_relocation *reloc;
1237 int ret;
1238
1239 ret = vmw_user_dmabuf_lookup(sw_context->fp->tfile, handle, &vmw_bo,
1240 NULL);
1241 if (unlikely(ret != 0)) {
1242 DRM_ERROR("Could not find or use MOB buffer.\n");
1243 ret = -EINVAL;
1244 goto out_no_reloc;
1245 }
1246
1247 if (unlikely(sw_context->cur_reloc >= VMWGFX_MAX_RELOCATIONS)) {
1248 DRM_ERROR("Max number relocations per submission"
1249 " exceeded\n");
1250 ret = -EINVAL;
1251 goto out_no_reloc;
1252 }
1253
1254 reloc = &sw_context->relocs[sw_context->cur_reloc++];
1255 reloc->mob_loc = id;
1256 reloc->location = NULL;
1257
1258 ret = vmw_bo_to_validate_list(sw_context, vmw_bo, true, &reloc->index);
1259 if (unlikely(ret != 0))
1260 goto out_no_reloc;
1261
1262 *vmw_bo_p = vmw_bo;
1263 return 0;
1264
1265out_no_reloc:
1266 vmw_dmabuf_unreference(&vmw_bo);
1267 *vmw_bo_p = NULL;
1268 return ret;
1269}
1270
1271/**
1272 * vmw_translate_guest_pointer - Prepare to translate a user-space buffer
1273 * handle to a valid SVGAGuestPtr
1274 *
1275 * @dev_priv: Pointer to a device private structure.
1276 * @sw_context: The software context used for this command batch validation.
1277 * @ptr: Pointer to the user-space handle to be translated.
1278 * @vmw_bo_p: Points to a location that, on successful return will carry
1279 * a reference-counted pointer to the DMA buffer identified by the
1280 * user-space handle in @id.
1281 *
1282 * This function saves information needed to translate a user-space buffer
1283 * handle to a valid SVGAGuestPtr. The translation does not take place
1284 * immediately, but during a call to vmw_apply_relocations().
1285 * This function builds a relocation list and a list of buffers to validate.
1286 * The former needs to be freed using either vmw_apply_relocations() or
1287 * vmw_free_relocations(). The latter needs to be freed using
1288 * vmw_clear_validations.
1289 */
1290static int vmw_translate_guest_ptr(struct vmw_private *dev_priv,
1291 struct vmw_sw_context *sw_context,
1292 SVGAGuestPtr *ptr,
1293 struct vmw_dma_buffer **vmw_bo_p)
1294{
1295 struct vmw_dma_buffer *vmw_bo = NULL;
1296 uint32_t handle = ptr->gmrId;
1297 struct vmw_relocation *reloc;
1298 int ret;
1299
1300 ret = vmw_user_dmabuf_lookup(sw_context->fp->tfile, handle, &vmw_bo,
1301 NULL);
1302 if (unlikely(ret != 0)) {
1303 DRM_ERROR("Could not find or use GMR region.\n");
1304 ret = -EINVAL;
1305 goto out_no_reloc;
1306 }
1307
1308 if (unlikely(sw_context->cur_reloc >= VMWGFX_MAX_RELOCATIONS)) {
1309 DRM_ERROR("Max number relocations per submission"
1310 " exceeded\n");
1311 ret = -EINVAL;
1312 goto out_no_reloc;
1313 }
1314
1315 reloc = &sw_context->relocs[sw_context->cur_reloc++];
1316 reloc->location = ptr;
1317
1318 ret = vmw_bo_to_validate_list(sw_context, vmw_bo, false, &reloc->index);
1319 if (unlikely(ret != 0))
1320 goto out_no_reloc;
1321
1322 *vmw_bo_p = vmw_bo;
1323 return 0;
1324
1325out_no_reloc:
1326 vmw_dmabuf_unreference(&vmw_bo);
1327 *vmw_bo_p = NULL;
1328 return ret;
1329}
1330
1331
1332
1333/**
1334 * vmw_cmd_dx_define_query - validate a SVGA_3D_CMD_DX_DEFINE_QUERY command.
1335 *
1336 * @dev_priv: Pointer to a device private struct.
1337 * @sw_context: The software context used for this command submission.
1338 * @header: Pointer to the command header in the command stream.
1339 *
1340 * This function adds the new query into the query COTABLE
1341 */
1342static int vmw_cmd_dx_define_query(struct vmw_private *dev_priv,
1343 struct vmw_sw_context *sw_context,
1344 SVGA3dCmdHeader *header)
1345{
1346 struct vmw_dx_define_query_cmd {
1347 SVGA3dCmdHeader header;
1348 SVGA3dCmdDXDefineQuery q;
1349 } *cmd;
1350
1351 int ret;
1352 struct vmw_resource_val_node *ctx_node = sw_context->dx_ctx_node;
1353 struct vmw_resource *cotable_res;
1354
1355
1356 if (ctx_node == NULL) {
1357 DRM_ERROR("DX Context not set for query.\n");
1358 return -EINVAL;
1359 }
1360
1361 cmd = container_of(header, struct vmw_dx_define_query_cmd, header);
1362
1363 if (cmd->q.type < SVGA3D_QUERYTYPE_MIN ||
1364 cmd->q.type >= SVGA3D_QUERYTYPE_MAX)
1365 return -EINVAL;
1366
1367 cotable_res = vmw_context_cotable(ctx_node->res, SVGA_COTABLE_DXQUERY);
1368 ret = vmw_cotable_notify(cotable_res, cmd->q.queryId);
1369 vmw_resource_unreference(&cotable_res);
1370
1371 return ret;
1372}
1373
1374
1375
1376/**
1377 * vmw_cmd_dx_bind_query - validate a SVGA_3D_CMD_DX_BIND_QUERY command.
1378 *
1379 * @dev_priv: Pointer to a device private struct.
1380 * @sw_context: The software context used for this command submission.
1381 * @header: Pointer to the command header in the command stream.
1382 *
1383 * The query bind operation will eventually associate the query ID
1384 * with its backing MOB. In this function, we take the user mode
1385 * MOB ID and use vmw_translate_mob_ptr() to translate it to its
1386 * kernel mode equivalent.
1387 */
1388static int vmw_cmd_dx_bind_query(struct vmw_private *dev_priv,
1389 struct vmw_sw_context *sw_context,
1390 SVGA3dCmdHeader *header)
1391{
1392 struct vmw_dx_bind_query_cmd {
1393 SVGA3dCmdHeader header;
1394 SVGA3dCmdDXBindQuery q;
1395 } *cmd;
1396
1397 struct vmw_dma_buffer *vmw_bo;
1398 int ret;
1399
1400
1401 cmd = container_of(header, struct vmw_dx_bind_query_cmd, header);
1402
1403 /*
1404 * Look up the buffer pointed to by q.mobid, put it on the relocation
1405 * list so its kernel mode MOB ID can be filled in later
1406 */
1407 ret = vmw_translate_mob_ptr(dev_priv, sw_context, &cmd->q.mobid,
1408 &vmw_bo);
1409
1410 if (ret != 0)
1411 return ret;
1412
1413 sw_context->dx_query_mob = vmw_bo;
1414 sw_context->dx_query_ctx = sw_context->dx_ctx_node->res;
1415
1416 vmw_dmabuf_unreference(&vmw_bo);
1417
1418 return ret;
1419}
1420
1421
1422
1423/**
1424 * vmw_cmd_begin_gb_query - validate a SVGA_3D_CMD_BEGIN_GB_QUERY command.
1425 *
1426 * @dev_priv: Pointer to a device private struct.
1427 * @sw_context: The software context used for this command submission.
1428 * @header: Pointer to the command header in the command stream.
1429 */
1430static int vmw_cmd_begin_gb_query(struct vmw_private *dev_priv,
1431 struct vmw_sw_context *sw_context,
1432 SVGA3dCmdHeader *header)
1433{
1434 struct vmw_begin_gb_query_cmd {
1435 SVGA3dCmdHeader header;
1436 SVGA3dCmdBeginGBQuery q;
1437 } *cmd;
1438
1439 cmd = container_of(header, struct vmw_begin_gb_query_cmd,
1440 header);
1441
1442 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
1443 user_context_converter, &cmd->q.cid,
1444 NULL);
1445}
1446
1447/**
1448 * vmw_cmd_begin_query - validate a SVGA_3D_CMD_BEGIN_QUERY command.
1449 *
1450 * @dev_priv: Pointer to a device private struct.
1451 * @sw_context: The software context used for this command submission.
1452 * @header: Pointer to the command header in the command stream.
1453 */
1454static int vmw_cmd_begin_query(struct vmw_private *dev_priv,
1455 struct vmw_sw_context *sw_context,
1456 SVGA3dCmdHeader *header)
1457{
1458 struct vmw_begin_query_cmd {
1459 SVGA3dCmdHeader header;
1460 SVGA3dCmdBeginQuery q;
1461 } *cmd;
1462
1463 cmd = container_of(header, struct vmw_begin_query_cmd,
1464 header);
1465
1466 if (unlikely(dev_priv->has_mob)) {
1467 struct {
1468 SVGA3dCmdHeader header;
1469 SVGA3dCmdBeginGBQuery q;
1470 } gb_cmd;
1471
1472 BUG_ON(sizeof(gb_cmd) != sizeof(*cmd));
1473
1474 gb_cmd.header.id = SVGA_3D_CMD_BEGIN_GB_QUERY;
1475 gb_cmd.header.size = cmd->header.size;
1476 gb_cmd.q.cid = cmd->q.cid;
1477 gb_cmd.q.type = cmd->q.type;
1478
1479 memcpy(cmd, &gb_cmd, sizeof(*cmd));
1480 return vmw_cmd_begin_gb_query(dev_priv, sw_context, header);
1481 }
1482
1483 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
1484 user_context_converter, &cmd->q.cid,
1485 NULL);
1486}
1487
1488/**
1489 * vmw_cmd_end_gb_query - validate a SVGA_3D_CMD_END_GB_QUERY command.
1490 *
1491 * @dev_priv: Pointer to a device private struct.
1492 * @sw_context: The software context used for this command submission.
1493 * @header: Pointer to the command header in the command stream.
1494 */
1495static int vmw_cmd_end_gb_query(struct vmw_private *dev_priv,
1496 struct vmw_sw_context *sw_context,
1497 SVGA3dCmdHeader *header)
1498{
1499 struct vmw_dma_buffer *vmw_bo;
1500 struct vmw_query_cmd {
1501 SVGA3dCmdHeader header;
1502 SVGA3dCmdEndGBQuery q;
1503 } *cmd;
1504 int ret;
1505
1506 cmd = container_of(header, struct vmw_query_cmd, header);
1507 ret = vmw_cmd_cid_check(dev_priv, sw_context, header);
1508 if (unlikely(ret != 0))
1509 return ret;
1510
1511 ret = vmw_translate_mob_ptr(dev_priv, sw_context,
1512 &cmd->q.mobid,
1513 &vmw_bo);
1514 if (unlikely(ret != 0))
1515 return ret;
1516
1517 ret = vmw_query_bo_switch_prepare(dev_priv, vmw_bo, sw_context);
1518
1519 vmw_dmabuf_unreference(&vmw_bo);
1520 return ret;
1521}
1522
1523/**
1524 * vmw_cmd_end_query - validate a SVGA_3D_CMD_END_QUERY command.
1525 *
1526 * @dev_priv: Pointer to a device private struct.
1527 * @sw_context: The software context used for this command submission.
1528 * @header: Pointer to the command header in the command stream.
1529 */
1530static int vmw_cmd_end_query(struct vmw_private *dev_priv,
1531 struct vmw_sw_context *sw_context,
1532 SVGA3dCmdHeader *header)
1533{
1534 struct vmw_dma_buffer *vmw_bo;
1535 struct vmw_query_cmd {
1536 SVGA3dCmdHeader header;
1537 SVGA3dCmdEndQuery q;
1538 } *cmd;
1539 int ret;
1540
1541 cmd = container_of(header, struct vmw_query_cmd, header);
1542 if (dev_priv->has_mob) {
1543 struct {
1544 SVGA3dCmdHeader header;
1545 SVGA3dCmdEndGBQuery q;
1546 } gb_cmd;
1547
1548 BUG_ON(sizeof(gb_cmd) != sizeof(*cmd));
1549
1550 gb_cmd.header.id = SVGA_3D_CMD_END_GB_QUERY;
1551 gb_cmd.header.size = cmd->header.size;
1552 gb_cmd.q.cid = cmd->q.cid;
1553 gb_cmd.q.type = cmd->q.type;
1554 gb_cmd.q.mobid = cmd->q.guestResult.gmrId;
1555 gb_cmd.q.offset = cmd->q.guestResult.offset;
1556
1557 memcpy(cmd, &gb_cmd, sizeof(*cmd));
1558 return vmw_cmd_end_gb_query(dev_priv, sw_context, header);
1559 }
1560
1561 ret = vmw_cmd_cid_check(dev_priv, sw_context, header);
1562 if (unlikely(ret != 0))
1563 return ret;
1564
1565 ret = vmw_translate_guest_ptr(dev_priv, sw_context,
1566 &cmd->q.guestResult,
1567 &vmw_bo);
1568 if (unlikely(ret != 0))
1569 return ret;
1570
1571 ret = vmw_query_bo_switch_prepare(dev_priv, vmw_bo, sw_context);
1572
1573 vmw_dmabuf_unreference(&vmw_bo);
1574 return ret;
1575}
1576
1577/**
1578 * vmw_cmd_wait_gb_query - validate a SVGA_3D_CMD_WAIT_GB_QUERY command.
1579 *
1580 * @dev_priv: Pointer to a device private struct.
1581 * @sw_context: The software context used for this command submission.
1582 * @header: Pointer to the command header in the command stream.
1583 */
1584static int vmw_cmd_wait_gb_query(struct vmw_private *dev_priv,
1585 struct vmw_sw_context *sw_context,
1586 SVGA3dCmdHeader *header)
1587{
1588 struct vmw_dma_buffer *vmw_bo;
1589 struct vmw_query_cmd {
1590 SVGA3dCmdHeader header;
1591 SVGA3dCmdWaitForGBQuery q;
1592 } *cmd;
1593 int ret;
1594
1595 cmd = container_of(header, struct vmw_query_cmd, header);
1596 ret = vmw_cmd_cid_check(dev_priv, sw_context, header);
1597 if (unlikely(ret != 0))
1598 return ret;
1599
1600 ret = vmw_translate_mob_ptr(dev_priv, sw_context,
1601 &cmd->q.mobid,
1602 &vmw_bo);
1603 if (unlikely(ret != 0))
1604 return ret;
1605
1606 vmw_dmabuf_unreference(&vmw_bo);
1607 return 0;
1608}
1609
1610/**
1611 * vmw_cmd_wait_query - validate a SVGA_3D_CMD_WAIT_QUERY command.
1612 *
1613 * @dev_priv: Pointer to a device private struct.
1614 * @sw_context: The software context used for this command submission.
1615 * @header: Pointer to the command header in the command stream.
1616 */
1617static int vmw_cmd_wait_query(struct vmw_private *dev_priv,
1618 struct vmw_sw_context *sw_context,
1619 SVGA3dCmdHeader *header)
1620{
1621 struct vmw_dma_buffer *vmw_bo;
1622 struct vmw_query_cmd {
1623 SVGA3dCmdHeader header;
1624 SVGA3dCmdWaitForQuery q;
1625 } *cmd;
1626 int ret;
1627
1628 cmd = container_of(header, struct vmw_query_cmd, header);
1629 if (dev_priv->has_mob) {
1630 struct {
1631 SVGA3dCmdHeader header;
1632 SVGA3dCmdWaitForGBQuery q;
1633 } gb_cmd;
1634
1635 BUG_ON(sizeof(gb_cmd) != sizeof(*cmd));
1636
1637 gb_cmd.header.id = SVGA_3D_CMD_WAIT_FOR_GB_QUERY;
1638 gb_cmd.header.size = cmd->header.size;
1639 gb_cmd.q.cid = cmd->q.cid;
1640 gb_cmd.q.type = cmd->q.type;
1641 gb_cmd.q.mobid = cmd->q.guestResult.gmrId;
1642 gb_cmd.q.offset = cmd->q.guestResult.offset;
1643
1644 memcpy(cmd, &gb_cmd, sizeof(*cmd));
1645 return vmw_cmd_wait_gb_query(dev_priv, sw_context, header);
1646 }
1647
1648 ret = vmw_cmd_cid_check(dev_priv, sw_context, header);
1649 if (unlikely(ret != 0))
1650 return ret;
1651
1652 ret = vmw_translate_guest_ptr(dev_priv, sw_context,
1653 &cmd->q.guestResult,
1654 &vmw_bo);
1655 if (unlikely(ret != 0))
1656 return ret;
1657
1658 vmw_dmabuf_unreference(&vmw_bo);
1659 return 0;
1660}
1661
1662static int vmw_cmd_dma(struct vmw_private *dev_priv,
1663 struct vmw_sw_context *sw_context,
1664 SVGA3dCmdHeader *header)
1665{
1666 struct vmw_dma_buffer *vmw_bo = NULL;
1667 struct vmw_surface *srf = NULL;
1668 struct vmw_dma_cmd {
1669 SVGA3dCmdHeader header;
1670 SVGA3dCmdSurfaceDMA dma;
1671 } *cmd;
1672 int ret;
1673 SVGA3dCmdSurfaceDMASuffix *suffix;
1674 uint32_t bo_size;
1675
1676 cmd = container_of(header, struct vmw_dma_cmd, header);
1677 suffix = (SVGA3dCmdSurfaceDMASuffix *)((unsigned long) &cmd->dma +
1678 header->size - sizeof(*suffix));
1679
1680 /* Make sure device and verifier stays in sync. */
1681 if (unlikely(suffix->suffixSize != sizeof(*suffix))) {
1682 DRM_ERROR("Invalid DMA suffix size.\n");
1683 return -EINVAL;
1684 }
1685
1686 ret = vmw_translate_guest_ptr(dev_priv, sw_context,
1687 &cmd->dma.guest.ptr,
1688 &vmw_bo);
1689 if (unlikely(ret != 0))
1690 return ret;
1691
1692 /* Make sure DMA doesn't cross BO boundaries. */
1693 bo_size = vmw_bo->base.num_pages * PAGE_SIZE;
1694 if (unlikely(cmd->dma.guest.ptr.offset > bo_size)) {
1695 DRM_ERROR("Invalid DMA offset.\n");
1696 return -EINVAL;
1697 }
1698
1699 bo_size -= cmd->dma.guest.ptr.offset;
1700 if (unlikely(suffix->maximumOffset > bo_size))
1701 suffix->maximumOffset = bo_size;
1702
1703 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1704 user_surface_converter, &cmd->dma.host.sid,
1705 NULL);
1706 if (unlikely(ret != 0)) {
1707 if (unlikely(ret != -ERESTARTSYS))
1708 DRM_ERROR("could not find surface for DMA.\n");
1709 goto out_no_surface;
1710 }
1711
1712 srf = vmw_res_to_srf(sw_context->res_cache[vmw_res_surface].res);
1713
1714 vmw_kms_cursor_snoop(srf, sw_context->fp->tfile, &vmw_bo->base,
1715 header);
1716
1717out_no_surface:
1718 vmw_dmabuf_unreference(&vmw_bo);
1719 return ret;
1720}
1721
1722static int vmw_cmd_draw(struct vmw_private *dev_priv,
1723 struct vmw_sw_context *sw_context,
1724 SVGA3dCmdHeader *header)
1725{
1726 struct vmw_draw_cmd {
1727 SVGA3dCmdHeader header;
1728 SVGA3dCmdDrawPrimitives body;
1729 } *cmd;
1730 SVGA3dVertexDecl *decl = (SVGA3dVertexDecl *)(
1731 (unsigned long)header + sizeof(*cmd));
1732 SVGA3dPrimitiveRange *range;
1733 uint32_t i;
1734 uint32_t maxnum;
1735 int ret;
1736
1737 ret = vmw_cmd_cid_check(dev_priv, sw_context, header);
1738 if (unlikely(ret != 0))
1739 return ret;
1740
1741 cmd = container_of(header, struct vmw_draw_cmd, header);
1742 maxnum = (header->size - sizeof(cmd->body)) / sizeof(*decl);
1743
1744 if (unlikely(cmd->body.numVertexDecls > maxnum)) {
1745 DRM_ERROR("Illegal number of vertex declarations.\n");
1746 return -EINVAL;
1747 }
1748
1749 for (i = 0; i < cmd->body.numVertexDecls; ++i, ++decl) {
1750 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1751 user_surface_converter,
1752 &decl->array.surfaceId, NULL);
1753 if (unlikely(ret != 0))
1754 return ret;
1755 }
1756
1757 maxnum = (header->size - sizeof(cmd->body) -
1758 cmd->body.numVertexDecls * sizeof(*decl)) / sizeof(*range);
1759 if (unlikely(cmd->body.numRanges > maxnum)) {
1760 DRM_ERROR("Illegal number of index ranges.\n");
1761 return -EINVAL;
1762 }
1763
1764 range = (SVGA3dPrimitiveRange *) decl;
1765 for (i = 0; i < cmd->body.numRanges; ++i, ++range) {
1766 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1767 user_surface_converter,
1768 &range->indexArray.surfaceId, NULL);
1769 if (unlikely(ret != 0))
1770 return ret;
1771 }
1772 return 0;
1773}
1774
1775
1776static int vmw_cmd_tex_state(struct vmw_private *dev_priv,
1777 struct vmw_sw_context *sw_context,
1778 SVGA3dCmdHeader *header)
1779{
1780 struct vmw_tex_state_cmd {
1781 SVGA3dCmdHeader header;
1782 SVGA3dCmdSetTextureState state;
1783 } *cmd;
1784
1785 SVGA3dTextureState *last_state = (SVGA3dTextureState *)
1786 ((unsigned long) header + header->size + sizeof(header));
1787 SVGA3dTextureState *cur_state = (SVGA3dTextureState *)
1788 ((unsigned long) header + sizeof(struct vmw_tex_state_cmd));
1789 struct vmw_resource_val_node *ctx_node;
1790 struct vmw_resource_val_node *res_node;
1791 int ret;
1792
1793 cmd = container_of(header, struct vmw_tex_state_cmd,
1794 header);
1795
1796 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
1797 user_context_converter, &cmd->state.cid,
1798 &ctx_node);
1799 if (unlikely(ret != 0))
1800 return ret;
1801
1802 for (; cur_state < last_state; ++cur_state) {
1803 if (likely(cur_state->name != SVGA3D_TS_BIND_TEXTURE))
1804 continue;
1805
1806 if (cur_state->stage >= SVGA3D_NUM_TEXTURE_UNITS) {
1807 DRM_ERROR("Illegal texture/sampler unit %u.\n",
1808 (unsigned) cur_state->stage);
1809 return -EINVAL;
1810 }
1811
1812 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1813 user_surface_converter,
1814 &cur_state->value, &res_node);
1815 if (unlikely(ret != 0))
1816 return ret;
1817
1818 if (dev_priv->has_mob) {
1819 struct vmw_ctx_bindinfo_tex binding;
1820
1821 binding.bi.ctx = ctx_node->res;
1822 binding.bi.res = res_node ? res_node->res : NULL;
1823 binding.bi.bt = vmw_ctx_binding_tex;
1824 binding.texture_stage = cur_state->stage;
1825 vmw_binding_add(ctx_node->staged_bindings, &binding.bi,
1826 0, binding.texture_stage);
1827 }
1828 }
1829
1830 return 0;
1831}
1832
1833static int vmw_cmd_check_define_gmrfb(struct vmw_private *dev_priv,
1834 struct vmw_sw_context *sw_context,
1835 void *buf)
1836{
1837 struct vmw_dma_buffer *vmw_bo;
1838 int ret;
1839
1840 struct {
1841 uint32_t header;
1842 SVGAFifoCmdDefineGMRFB body;
1843 } *cmd = buf;
1844
1845 ret = vmw_translate_guest_ptr(dev_priv, sw_context,
1846 &cmd->body.ptr,
1847 &vmw_bo);
1848 if (unlikely(ret != 0))
1849 return ret;
1850
1851 vmw_dmabuf_unreference(&vmw_bo);
1852
1853 return ret;
1854}
1855
1856
1857/**
1858 * vmw_cmd_res_switch_backup - Utility function to handle backup buffer
1859 * switching
1860 *
1861 * @dev_priv: Pointer to a device private struct.
1862 * @sw_context: The software context being used for this batch.
1863 * @val_node: The validation node representing the resource.
1864 * @buf_id: Pointer to the user-space backup buffer handle in the command
1865 * stream.
1866 * @backup_offset: Offset of backup into MOB.
1867 *
1868 * This function prepares for registering a switch of backup buffers
1869 * in the resource metadata just prior to unreserving. It's basically a wrapper
1870 * around vmw_cmd_res_switch_backup with a different interface.
1871 */
1872static int vmw_cmd_res_switch_backup(struct vmw_private *dev_priv,
1873 struct vmw_sw_context *sw_context,
1874 struct vmw_resource_val_node *val_node,
1875 uint32_t *buf_id,
1876 unsigned long backup_offset)
1877{
1878 struct vmw_dma_buffer *dma_buf;
1879 int ret;
1880
1881 ret = vmw_translate_mob_ptr(dev_priv, sw_context, buf_id, &dma_buf);
1882 if (ret)
1883 return ret;
1884
1885 val_node->switching_backup = true;
1886 if (val_node->first_usage)
1887 val_node->no_buffer_needed = true;
1888
1889 vmw_dmabuf_unreference(&val_node->new_backup);
1890 val_node->new_backup = dma_buf;
1891 val_node->new_backup_offset = backup_offset;
1892
1893 return 0;
1894}
1895
1896
1897/**
1898 * vmw_cmd_switch_backup - Utility function to handle backup buffer switching
1899 *
1900 * @dev_priv: Pointer to a device private struct.
1901 * @sw_context: The software context being used for this batch.
1902 * @res_type: The resource type.
1903 * @converter: Information about user-space binding for this resource type.
1904 * @res_id: Pointer to the user-space resource handle in the command stream.
1905 * @buf_id: Pointer to the user-space backup buffer handle in the command
1906 * stream.
1907 * @backup_offset: Offset of backup into MOB.
1908 *
1909 * This function prepares for registering a switch of backup buffers
1910 * in the resource metadata just prior to unreserving. It's basically a wrapper
1911 * around vmw_cmd_res_switch_backup with a different interface.
1912 */
1913static int vmw_cmd_switch_backup(struct vmw_private *dev_priv,
1914 struct vmw_sw_context *sw_context,
1915 enum vmw_res_type res_type,
1916 const struct vmw_user_resource_conv
1917 *converter,
1918 uint32_t *res_id,
1919 uint32_t *buf_id,
1920 unsigned long backup_offset)
1921{
1922 struct vmw_resource_val_node *val_node;
1923 int ret;
1924
1925 ret = vmw_cmd_res_check(dev_priv, sw_context, res_type,
1926 converter, res_id, &val_node);
1927 if (ret)
1928 return ret;
1929
1930 return vmw_cmd_res_switch_backup(dev_priv, sw_context, val_node,
1931 buf_id, backup_offset);
1932}
1933
1934/**
1935 * vmw_cmd_bind_gb_surface - Validate an SVGA_3D_CMD_BIND_GB_SURFACE
1936 * command
1937 *
1938 * @dev_priv: Pointer to a device private struct.
1939 * @sw_context: The software context being used for this batch.
1940 * @header: Pointer to the command header in the command stream.
1941 */
1942static int vmw_cmd_bind_gb_surface(struct vmw_private *dev_priv,
1943 struct vmw_sw_context *sw_context,
1944 SVGA3dCmdHeader *header)
1945{
1946 struct vmw_bind_gb_surface_cmd {
1947 SVGA3dCmdHeader header;
1948 SVGA3dCmdBindGBSurface body;
1949 } *cmd;
1950
1951 cmd = container_of(header, struct vmw_bind_gb_surface_cmd, header);
1952
1953 return vmw_cmd_switch_backup(dev_priv, sw_context, vmw_res_surface,
1954 user_surface_converter,
1955 &cmd->body.sid, &cmd->body.mobid,
1956 0);
1957}
1958
1959/**
1960 * vmw_cmd_update_gb_image - Validate an SVGA_3D_CMD_UPDATE_GB_IMAGE
1961 * command
1962 *
1963 * @dev_priv: Pointer to a device private struct.
1964 * @sw_context: The software context being used for this batch.
1965 * @header: Pointer to the command header in the command stream.
1966 */
1967static int vmw_cmd_update_gb_image(struct vmw_private *dev_priv,
1968 struct vmw_sw_context *sw_context,
1969 SVGA3dCmdHeader *header)
1970{
1971 struct vmw_gb_surface_cmd {
1972 SVGA3dCmdHeader header;
1973 SVGA3dCmdUpdateGBImage body;
1974 } *cmd;
1975
1976 cmd = container_of(header, struct vmw_gb_surface_cmd, header);
1977
1978 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1979 user_surface_converter,
1980 &cmd->body.image.sid, NULL);
1981}
1982
1983/**
1984 * vmw_cmd_update_gb_surface - Validate an SVGA_3D_CMD_UPDATE_GB_SURFACE
1985 * command
1986 *
1987 * @dev_priv: Pointer to a device private struct.
1988 * @sw_context: The software context being used for this batch.
1989 * @header: Pointer to the command header in the command stream.
1990 */
1991static int vmw_cmd_update_gb_surface(struct vmw_private *dev_priv,
1992 struct vmw_sw_context *sw_context,
1993 SVGA3dCmdHeader *header)
1994{
1995 struct vmw_gb_surface_cmd {
1996 SVGA3dCmdHeader header;
1997 SVGA3dCmdUpdateGBSurface body;
1998 } *cmd;
1999
2000 cmd = container_of(header, struct vmw_gb_surface_cmd, header);
2001
2002 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2003 user_surface_converter,
2004 &cmd->body.sid, NULL);
2005}
2006
2007/**
2008 * vmw_cmd_readback_gb_image - Validate an SVGA_3D_CMD_READBACK_GB_IMAGE
2009 * command
2010 *
2011 * @dev_priv: Pointer to a device private struct.
2012 * @sw_context: The software context being used for this batch.
2013 * @header: Pointer to the command header in the command stream.
2014 */
2015static int vmw_cmd_readback_gb_image(struct vmw_private *dev_priv,
2016 struct vmw_sw_context *sw_context,
2017 SVGA3dCmdHeader *header)
2018{
2019 struct vmw_gb_surface_cmd {
2020 SVGA3dCmdHeader header;
2021 SVGA3dCmdReadbackGBImage body;
2022 } *cmd;
2023
2024 cmd = container_of(header, struct vmw_gb_surface_cmd, header);
2025
2026 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2027 user_surface_converter,
2028 &cmd->body.image.sid, NULL);
2029}
2030
2031/**
2032 * vmw_cmd_readback_gb_surface - Validate an SVGA_3D_CMD_READBACK_GB_SURFACE
2033 * command
2034 *
2035 * @dev_priv: Pointer to a device private struct.
2036 * @sw_context: The software context being used for this batch.
2037 * @header: Pointer to the command header in the command stream.
2038 */
2039static int vmw_cmd_readback_gb_surface(struct vmw_private *dev_priv,
2040 struct vmw_sw_context *sw_context,
2041 SVGA3dCmdHeader *header)
2042{
2043 struct vmw_gb_surface_cmd {
2044 SVGA3dCmdHeader header;
2045 SVGA3dCmdReadbackGBSurface body;
2046 } *cmd;
2047
2048 cmd = container_of(header, struct vmw_gb_surface_cmd, header);
2049
2050 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2051 user_surface_converter,
2052 &cmd->body.sid, NULL);
2053}
2054
2055/**
2056 * vmw_cmd_invalidate_gb_image - Validate an SVGA_3D_CMD_INVALIDATE_GB_IMAGE
2057 * command
2058 *
2059 * @dev_priv: Pointer to a device private struct.
2060 * @sw_context: The software context being used for this batch.
2061 * @header: Pointer to the command header in the command stream.
2062 */
2063static int vmw_cmd_invalidate_gb_image(struct vmw_private *dev_priv,
2064 struct vmw_sw_context *sw_context,
2065 SVGA3dCmdHeader *header)
2066{
2067 struct vmw_gb_surface_cmd {
2068 SVGA3dCmdHeader header;
2069 SVGA3dCmdInvalidateGBImage body;
2070 } *cmd;
2071
2072 cmd = container_of(header, struct vmw_gb_surface_cmd, header);
2073
2074 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2075 user_surface_converter,
2076 &cmd->body.image.sid, NULL);
2077}
2078
2079/**
2080 * vmw_cmd_invalidate_gb_surface - Validate an
2081 * SVGA_3D_CMD_INVALIDATE_GB_SURFACE command
2082 *
2083 * @dev_priv: Pointer to a device private struct.
2084 * @sw_context: The software context being used for this batch.
2085 * @header: Pointer to the command header in the command stream.
2086 */
2087static int vmw_cmd_invalidate_gb_surface(struct vmw_private *dev_priv,
2088 struct vmw_sw_context *sw_context,
2089 SVGA3dCmdHeader *header)
2090{
2091 struct vmw_gb_surface_cmd {
2092 SVGA3dCmdHeader header;
2093 SVGA3dCmdInvalidateGBSurface body;
2094 } *cmd;
2095
2096 cmd = container_of(header, struct vmw_gb_surface_cmd, header);
2097
2098 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2099 user_surface_converter,
2100 &cmd->body.sid, NULL);
2101}
2102
2103
2104/**
2105 * vmw_cmd_shader_define - Validate an SVGA_3D_CMD_SHADER_DEFINE
2106 * command
2107 *
2108 * @dev_priv: Pointer to a device private struct.
2109 * @sw_context: The software context being used for this batch.
2110 * @header: Pointer to the command header in the command stream.
2111 */
2112static int vmw_cmd_shader_define(struct vmw_private *dev_priv,
2113 struct vmw_sw_context *sw_context,
2114 SVGA3dCmdHeader *header)
2115{
2116 struct vmw_shader_define_cmd {
2117 SVGA3dCmdHeader header;
2118 SVGA3dCmdDefineShader body;
2119 } *cmd;
2120 int ret;
2121 size_t size;
2122 struct vmw_resource_val_node *val;
2123
2124 cmd = container_of(header, struct vmw_shader_define_cmd,
2125 header);
2126
2127 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
2128 user_context_converter, &cmd->body.cid,
2129 &val);
2130 if (unlikely(ret != 0))
2131 return ret;
2132
2133 if (unlikely(!dev_priv->has_mob))
2134 return 0;
2135
2136 size = cmd->header.size - sizeof(cmd->body);
2137 ret = vmw_compat_shader_add(dev_priv,
2138 vmw_context_res_man(val->res),
2139 cmd->body.shid, cmd + 1,
2140 cmd->body.type, size,
2141 &sw_context->staged_cmd_res);
2142 if (unlikely(ret != 0))
2143 return ret;
2144
2145 return vmw_resource_relocation_add(&sw_context->res_relocations,
2146 NULL, &cmd->header.id -
2147 sw_context->buf_start);
2148
2149 return 0;
2150}
2151
2152/**
2153 * vmw_cmd_shader_destroy - Validate an SVGA_3D_CMD_SHADER_DESTROY
2154 * command
2155 *
2156 * @dev_priv: Pointer to a device private struct.
2157 * @sw_context: The software context being used for this batch.
2158 * @header: Pointer to the command header in the command stream.
2159 */
2160static int vmw_cmd_shader_destroy(struct vmw_private *dev_priv,
2161 struct vmw_sw_context *sw_context,
2162 SVGA3dCmdHeader *header)
2163{
2164 struct vmw_shader_destroy_cmd {
2165 SVGA3dCmdHeader header;
2166 SVGA3dCmdDestroyShader body;
2167 } *cmd;
2168 int ret;
2169 struct vmw_resource_val_node *val;
2170
2171 cmd = container_of(header, struct vmw_shader_destroy_cmd,
2172 header);
2173
2174 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
2175 user_context_converter, &cmd->body.cid,
2176 &val);
2177 if (unlikely(ret != 0))
2178 return ret;
2179
2180 if (unlikely(!dev_priv->has_mob))
2181 return 0;
2182
2183 ret = vmw_shader_remove(vmw_context_res_man(val->res),
2184 cmd->body.shid,
2185 cmd->body.type,
2186 &sw_context->staged_cmd_res);
2187 if (unlikely(ret != 0))
2188 return ret;
2189
2190 return vmw_resource_relocation_add(&sw_context->res_relocations,
2191 NULL, &cmd->header.id -
2192 sw_context->buf_start);
2193
2194 return 0;
2195}
2196
2197/**
2198 * vmw_cmd_set_shader - Validate an SVGA_3D_CMD_SET_SHADER
2199 * command
2200 *
2201 * @dev_priv: Pointer to a device private struct.
2202 * @sw_context: The software context being used for this batch.
2203 * @header: Pointer to the command header in the command stream.
2204 */
2205static int vmw_cmd_set_shader(struct vmw_private *dev_priv,
2206 struct vmw_sw_context *sw_context,
2207 SVGA3dCmdHeader *header)
2208{
2209 struct vmw_set_shader_cmd {
2210 SVGA3dCmdHeader header;
2211 SVGA3dCmdSetShader body;
2212 } *cmd;
2213 struct vmw_resource_val_node *ctx_node, *res_node = NULL;
2214 struct vmw_ctx_bindinfo_shader binding;
2215 struct vmw_resource *res = NULL;
2216 int ret;
2217
2218 cmd = container_of(header, struct vmw_set_shader_cmd,
2219 header);
2220
2221 if (cmd->body.type >= SVGA3D_SHADERTYPE_PREDX_MAX) {
2222 DRM_ERROR("Illegal shader type %u.\n",
2223 (unsigned) cmd->body.type);
2224 return -EINVAL;
2225 }
2226
2227 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
2228 user_context_converter, &cmd->body.cid,
2229 &ctx_node);
2230 if (unlikely(ret != 0))
2231 return ret;
2232
2233 if (!dev_priv->has_mob)
2234 return 0;
2235
2236 if (cmd->body.shid != SVGA3D_INVALID_ID) {
2237 res = vmw_shader_lookup(vmw_context_res_man(ctx_node->res),
2238 cmd->body.shid,
2239 cmd->body.type);
2240
2241 if (!IS_ERR(res)) {
2242 ret = vmw_cmd_res_reloc_add(dev_priv, sw_context,
2243 &cmd->body.shid, res,
2244 &res_node);
2245 vmw_resource_unreference(&res);
2246 if (unlikely(ret != 0))
2247 return ret;
2248 }
2249 }
2250
2251 if (!res_node) {
2252 ret = vmw_cmd_res_check(dev_priv, sw_context,
2253 vmw_res_shader,
2254 user_shader_converter,
2255 &cmd->body.shid, &res_node);
2256 if (unlikely(ret != 0))
2257 return ret;
2258 }
2259
2260 binding.bi.ctx = ctx_node->res;
2261 binding.bi.res = res_node ? res_node->res : NULL;
2262 binding.bi.bt = vmw_ctx_binding_shader;
2263 binding.shader_slot = cmd->body.type - SVGA3D_SHADERTYPE_MIN;
2264 vmw_binding_add(ctx_node->staged_bindings, &binding.bi,
2265 binding.shader_slot, 0);
2266 return 0;
2267}
2268
2269/**
2270 * vmw_cmd_set_shader_const - Validate an SVGA_3D_CMD_SET_SHADER_CONST
2271 * command
2272 *
2273 * @dev_priv: Pointer to a device private struct.
2274 * @sw_context: The software context being used for this batch.
2275 * @header: Pointer to the command header in the command stream.
2276 */
2277static int vmw_cmd_set_shader_const(struct vmw_private *dev_priv,
2278 struct vmw_sw_context *sw_context,
2279 SVGA3dCmdHeader *header)
2280{
2281 struct vmw_set_shader_const_cmd {
2282 SVGA3dCmdHeader header;
2283 SVGA3dCmdSetShaderConst body;
2284 } *cmd;
2285 int ret;
2286
2287 cmd = container_of(header, struct vmw_set_shader_const_cmd,
2288 header);
2289
2290 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
2291 user_context_converter, &cmd->body.cid,
2292 NULL);
2293 if (unlikely(ret != 0))
2294 return ret;
2295
2296 if (dev_priv->has_mob)
2297 header->id = SVGA_3D_CMD_SET_GB_SHADERCONSTS_INLINE;
2298
2299 return 0;
2300}
2301
2302/**
2303 * vmw_cmd_bind_gb_shader - Validate an SVGA_3D_CMD_BIND_GB_SHADER
2304 * command
2305 *
2306 * @dev_priv: Pointer to a device private struct.
2307 * @sw_context: The software context being used for this batch.
2308 * @header: Pointer to the command header in the command stream.
2309 */
2310static int vmw_cmd_bind_gb_shader(struct vmw_private *dev_priv,
2311 struct vmw_sw_context *sw_context,
2312 SVGA3dCmdHeader *header)
2313{
2314 struct vmw_bind_gb_shader_cmd {
2315 SVGA3dCmdHeader header;
2316 SVGA3dCmdBindGBShader body;
2317 } *cmd;
2318
2319 cmd = container_of(header, struct vmw_bind_gb_shader_cmd,
2320 header);
2321
2322 return vmw_cmd_switch_backup(dev_priv, sw_context, vmw_res_shader,
2323 user_shader_converter,
2324 &cmd->body.shid, &cmd->body.mobid,
2325 cmd->body.offsetInBytes);
2326}
2327
2328/**
2329 * vmw_cmd_dx_set_single_constant_buffer - Validate an
2330 * SVGA_3D_CMD_DX_SET_SINGLE_CONSTANT_BUFFER command.
2331 *
2332 * @dev_priv: Pointer to a device private struct.
2333 * @sw_context: The software context being used for this batch.
2334 * @header: Pointer to the command header in the command stream.
2335 */
2336static int
2337vmw_cmd_dx_set_single_constant_buffer(struct vmw_private *dev_priv,
2338 struct vmw_sw_context *sw_context,
2339 SVGA3dCmdHeader *header)
2340{
2341 struct {
2342 SVGA3dCmdHeader header;
2343 SVGA3dCmdDXSetSingleConstantBuffer body;
2344 } *cmd;
2345 struct vmw_resource_val_node *res_node = NULL;
2346 struct vmw_resource_val_node *ctx_node = sw_context->dx_ctx_node;
2347 struct vmw_ctx_bindinfo_cb binding;
2348 int ret;
2349
2350 if (unlikely(ctx_node == NULL)) {
2351 DRM_ERROR("DX Context not set.\n");
2352 return -EINVAL;
2353 }
2354
2355 cmd = container_of(header, typeof(*cmd), header);
2356 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2357 user_surface_converter,
2358 &cmd->body.sid, &res_node);
2359 if (unlikely(ret != 0))
2360 return ret;
2361
2362 binding.bi.ctx = ctx_node->res;
2363 binding.bi.res = res_node ? res_node->res : NULL;
2364 binding.bi.bt = vmw_ctx_binding_cb;
2365 binding.shader_slot = cmd->body.type - SVGA3D_SHADERTYPE_MIN;
2366 binding.offset = cmd->body.offsetInBytes;
2367 binding.size = cmd->body.sizeInBytes;
2368 binding.slot = cmd->body.slot;
2369
2370 if (binding.shader_slot >= SVGA3D_NUM_SHADERTYPE_DX10 ||
2371 binding.slot >= SVGA3D_DX_MAX_CONSTBUFFERS) {
2372 DRM_ERROR("Illegal const buffer shader %u slot %u.\n",
2373 (unsigned) cmd->body.type,
2374 (unsigned) binding.slot);
2375 return -EINVAL;
2376 }
2377
2378 vmw_binding_add(ctx_node->staged_bindings, &binding.bi,
2379 binding.shader_slot, binding.slot);
2380
2381 return 0;
2382}
2383
2384/**
2385 * vmw_cmd_dx_set_shader_res - Validate an
2386 * SVGA_3D_CMD_DX_SET_SHADER_RESOURCES command
2387 *
2388 * @dev_priv: Pointer to a device private struct.
2389 * @sw_context: The software context being used for this batch.
2390 * @header: Pointer to the command header in the command stream.
2391 */
2392static int vmw_cmd_dx_set_shader_res(struct vmw_private *dev_priv,
2393 struct vmw_sw_context *sw_context,
2394 SVGA3dCmdHeader *header)
2395{
2396 struct {
2397 SVGA3dCmdHeader header;
2398 SVGA3dCmdDXSetShaderResources body;
2399 } *cmd = container_of(header, typeof(*cmd), header);
2400 u32 num_sr_view = (cmd->header.size - sizeof(cmd->body)) /
2401 sizeof(SVGA3dShaderResourceViewId);
2402
2403 if ((u64) cmd->body.startView + (u64) num_sr_view >
2404 (u64) SVGA3D_DX_MAX_SRVIEWS ||
2405 cmd->body.type >= SVGA3D_SHADERTYPE_DX10_MAX) {
2406 DRM_ERROR("Invalid shader binding.\n");
2407 return -EINVAL;
2408 }
2409
2410 return vmw_view_bindings_add(sw_context, vmw_view_sr,
2411 vmw_ctx_binding_sr,
2412 cmd->body.type - SVGA3D_SHADERTYPE_MIN,
2413 (void *) &cmd[1], num_sr_view,
2414 cmd->body.startView);
2415}
2416
2417/**
2418 * vmw_cmd_dx_set_shader - Validate an SVGA_3D_CMD_DX_SET_SHADER
2419 * command
2420 *
2421 * @dev_priv: Pointer to a device private struct.
2422 * @sw_context: The software context being used for this batch.
2423 * @header: Pointer to the command header in the command stream.
2424 */
2425static int vmw_cmd_dx_set_shader(struct vmw_private *dev_priv,
2426 struct vmw_sw_context *sw_context,
2427 SVGA3dCmdHeader *header)
2428{
2429 struct {
2430 SVGA3dCmdHeader header;
2431 SVGA3dCmdDXSetShader body;
2432 } *cmd;
2433 struct vmw_resource *res = NULL;
2434 struct vmw_resource_val_node *ctx_node = sw_context->dx_ctx_node;
2435 struct vmw_ctx_bindinfo_shader binding;
2436 int ret = 0;
2437
2438 if (unlikely(ctx_node == NULL)) {
2439 DRM_ERROR("DX Context not set.\n");
2440 return -EINVAL;
2441 }
2442
2443 cmd = container_of(header, typeof(*cmd), header);
2444
2445 if (cmd->body.type >= SVGA3D_SHADERTYPE_DX10_MAX) {
2446 DRM_ERROR("Illegal shader type %u.\n",
2447 (unsigned) cmd->body.type);
2448 return -EINVAL;
2449 }
2450
2451 if (cmd->body.shaderId != SVGA3D_INVALID_ID) {
2452 res = vmw_shader_lookup(sw_context->man, cmd->body.shaderId, 0);
2453 if (IS_ERR(res)) {
2454 DRM_ERROR("Could not find shader for binding.\n");
2455 return PTR_ERR(res);
2456 }
2457
2458 ret = vmw_resource_val_add(sw_context, res, NULL);
2459 if (ret)
2460 goto out_unref;
2461 }
2462
2463 binding.bi.ctx = ctx_node->res;
2464 binding.bi.res = res;
2465 binding.bi.bt = vmw_ctx_binding_dx_shader;
2466 binding.shader_slot = cmd->body.type - SVGA3D_SHADERTYPE_MIN;
2467
2468 vmw_binding_add(ctx_node->staged_bindings, &binding.bi,
2469 binding.shader_slot, 0);
2470out_unref:
2471 if (res)
2472 vmw_resource_unreference(&res);
2473
2474 return ret;
2475}
2476
2477/**
2478 * vmw_cmd_dx_set_vertex_buffers - Validates an
2479 * SVGA_3D_CMD_DX_SET_VERTEX_BUFFERS command
2480 *
2481 * @dev_priv: Pointer to a device private struct.
2482 * @sw_context: The software context being used for this batch.
2483 * @header: Pointer to the command header in the command stream.
2484 */
2485static int vmw_cmd_dx_set_vertex_buffers(struct vmw_private *dev_priv,
2486 struct vmw_sw_context *sw_context,
2487 SVGA3dCmdHeader *header)
2488{
2489 struct vmw_resource_val_node *ctx_node = sw_context->dx_ctx_node;
2490 struct vmw_ctx_bindinfo_vb binding;
2491 struct vmw_resource_val_node *res_node;
2492 struct {
2493 SVGA3dCmdHeader header;
2494 SVGA3dCmdDXSetVertexBuffers body;
2495 SVGA3dVertexBuffer buf[];
2496 } *cmd;
2497 int i, ret, num;
2498
2499 if (unlikely(ctx_node == NULL)) {
2500 DRM_ERROR("DX Context not set.\n");
2501 return -EINVAL;
2502 }
2503
2504 cmd = container_of(header, typeof(*cmd), header);
2505 num = (cmd->header.size - sizeof(cmd->body)) /
2506 sizeof(SVGA3dVertexBuffer);
2507 if ((u64)num + (u64)cmd->body.startBuffer >
2508 (u64)SVGA3D_DX_MAX_VERTEXBUFFERS) {
2509 DRM_ERROR("Invalid number of vertex buffers.\n");
2510 return -EINVAL;
2511 }
2512
2513 for (i = 0; i < num; i++) {
2514 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2515 user_surface_converter,
2516 &cmd->buf[i].sid, &res_node);
2517 if (unlikely(ret != 0))
2518 return ret;
2519
2520 binding.bi.ctx = ctx_node->res;
2521 binding.bi.bt = vmw_ctx_binding_vb;
2522 binding.bi.res = ((res_node) ? res_node->res : NULL);
2523 binding.offset = cmd->buf[i].offset;
2524 binding.stride = cmd->buf[i].stride;
2525 binding.slot = i + cmd->body.startBuffer;
2526
2527 vmw_binding_add(ctx_node->staged_bindings, &binding.bi,
2528 0, binding.slot);
2529 }
2530
2531 return 0;
2532}
2533
2534/**
2535 * vmw_cmd_dx_ia_set_vertex_buffers - Validate an
2536 * SVGA_3D_CMD_DX_IA_SET_VERTEX_BUFFERS command.
2537 *
2538 * @dev_priv: Pointer to a device private struct.
2539 * @sw_context: The software context being used for this batch.
2540 * @header: Pointer to the command header in the command stream.
2541 */
2542static int vmw_cmd_dx_set_index_buffer(struct vmw_private *dev_priv,
2543 struct vmw_sw_context *sw_context,
2544 SVGA3dCmdHeader *header)
2545{
2546 struct vmw_resource_val_node *ctx_node = sw_context->dx_ctx_node;
2547 struct vmw_ctx_bindinfo_ib binding;
2548 struct vmw_resource_val_node *res_node;
2549 struct {
2550 SVGA3dCmdHeader header;
2551 SVGA3dCmdDXSetIndexBuffer body;
2552 } *cmd;
2553 int ret;
2554
2555 if (unlikely(ctx_node == NULL)) {
2556 DRM_ERROR("DX Context not set.\n");
2557 return -EINVAL;
2558 }
2559
2560 cmd = container_of(header, typeof(*cmd), header);
2561 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2562 user_surface_converter,
2563 &cmd->body.sid, &res_node);
2564 if (unlikely(ret != 0))
2565 return ret;
2566
2567 binding.bi.ctx = ctx_node->res;
2568 binding.bi.res = ((res_node) ? res_node->res : NULL);
2569 binding.bi.bt = vmw_ctx_binding_ib;
2570 binding.offset = cmd->body.offset;
2571 binding.format = cmd->body.format;
2572
2573 vmw_binding_add(ctx_node->staged_bindings, &binding.bi, 0, 0);
2574
2575 return 0;
2576}
2577
2578/**
2579 * vmw_cmd_dx_set_rendertarget - Validate an
2580 * SVGA_3D_CMD_DX_SET_RENDERTARGETS command
2581 *
2582 * @dev_priv: Pointer to a device private struct.
2583 * @sw_context: The software context being used for this batch.
2584 * @header: Pointer to the command header in the command stream.
2585 */
2586static int vmw_cmd_dx_set_rendertargets(struct vmw_private *dev_priv,
2587 struct vmw_sw_context *sw_context,
2588 SVGA3dCmdHeader *header)
2589{
2590 struct {
2591 SVGA3dCmdHeader header;
2592 SVGA3dCmdDXSetRenderTargets body;
2593 } *cmd = container_of(header, typeof(*cmd), header);
2594 int ret;
2595 u32 num_rt_view = (cmd->header.size - sizeof(cmd->body)) /
2596 sizeof(SVGA3dRenderTargetViewId);
2597
2598 if (num_rt_view > SVGA3D_MAX_SIMULTANEOUS_RENDER_TARGETS) {
2599 DRM_ERROR("Invalid DX Rendertarget binding.\n");
2600 return -EINVAL;
2601 }
2602
2603 ret = vmw_view_bindings_add(sw_context, vmw_view_ds,
2604 vmw_ctx_binding_ds, 0,
2605 &cmd->body.depthStencilViewId, 1, 0);
2606 if (ret)
2607 return ret;
2608
2609 return vmw_view_bindings_add(sw_context, vmw_view_rt,
2610 vmw_ctx_binding_dx_rt, 0,
2611 (void *)&cmd[1], num_rt_view, 0);
2612}
2613
2614/**
2615 * vmw_cmd_dx_clear_rendertarget_view - Validate an
2616 * SVGA_3D_CMD_DX_CLEAR_RENDERTARGET_VIEW command
2617 *
2618 * @dev_priv: Pointer to a device private struct.
2619 * @sw_context: The software context being used for this batch.
2620 * @header: Pointer to the command header in the command stream.
2621 */
2622static int vmw_cmd_dx_clear_rendertarget_view(struct vmw_private *dev_priv,
2623 struct vmw_sw_context *sw_context,
2624 SVGA3dCmdHeader *header)
2625{
2626 struct {
2627 SVGA3dCmdHeader header;
2628 SVGA3dCmdDXClearRenderTargetView body;
2629 } *cmd = container_of(header, typeof(*cmd), header);
2630
2631 return vmw_view_id_val_add(sw_context, vmw_view_rt,
2632 cmd->body.renderTargetViewId);
2633}
2634
2635/**
2636 * vmw_cmd_dx_clear_rendertarget_view - Validate an
2637 * SVGA_3D_CMD_DX_CLEAR_DEPTHSTENCIL_VIEW command
2638 *
2639 * @dev_priv: Pointer to a device private struct.
2640 * @sw_context: The software context being used for this batch.
2641 * @header: Pointer to the command header in the command stream.
2642 */
2643static int vmw_cmd_dx_clear_depthstencil_view(struct vmw_private *dev_priv,
2644 struct vmw_sw_context *sw_context,
2645 SVGA3dCmdHeader *header)
2646{
2647 struct {
2648 SVGA3dCmdHeader header;
2649 SVGA3dCmdDXClearDepthStencilView body;
2650 } *cmd = container_of(header, typeof(*cmd), header);
2651
2652 return vmw_view_id_val_add(sw_context, vmw_view_ds,
2653 cmd->body.depthStencilViewId);
2654}
2655
2656static int vmw_cmd_dx_view_define(struct vmw_private *dev_priv,
2657 struct vmw_sw_context *sw_context,
2658 SVGA3dCmdHeader *header)
2659{
2660 struct vmw_resource_val_node *ctx_node = sw_context->dx_ctx_node;
2661 struct vmw_resource_val_node *srf_node;
2662 struct vmw_resource *res;
2663 enum vmw_view_type view_type;
2664 int ret;
2665 /*
2666 * This is based on the fact that all affected define commands have
2667 * the same initial command body layout.
2668 */
2669 struct {
2670 SVGA3dCmdHeader header;
2671 uint32 defined_id;
2672 uint32 sid;
2673 } *cmd;
2674
2675 if (unlikely(ctx_node == NULL)) {
2676 DRM_ERROR("DX Context not set.\n");
2677 return -EINVAL;
2678 }
2679
2680 view_type = vmw_view_cmd_to_type(header->id);
2681 cmd = container_of(header, typeof(*cmd), header);
2682 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2683 user_surface_converter,
2684 &cmd->sid, &srf_node);
2685 if (unlikely(ret != 0))
2686 return ret;
2687
2688 res = vmw_context_cotable(ctx_node->res, vmw_view_cotables[view_type]);
2689 ret = vmw_cotable_notify(res, cmd->defined_id);
2690 vmw_resource_unreference(&res);
2691 if (unlikely(ret != 0))
2692 return ret;
2693
2694 return vmw_view_add(sw_context->man,
2695 ctx_node->res,
2696 srf_node->res,
2697 view_type,
2698 cmd->defined_id,
2699 header,
2700 header->size + sizeof(*header),
2701 &sw_context->staged_cmd_res);
2702}
2703
2704/**
2705 * vmw_cmd_dx_set_so_targets - Validate an
2706 * SVGA_3D_CMD_DX_SET_SOTARGETS command.
2707 *
2708 * @dev_priv: Pointer to a device private struct.
2709 * @sw_context: The software context being used for this batch.
2710 * @header: Pointer to the command header in the command stream.
2711 */
2712static int vmw_cmd_dx_set_so_targets(struct vmw_private *dev_priv,
2713 struct vmw_sw_context *sw_context,
2714 SVGA3dCmdHeader *header)
2715{
2716 struct vmw_resource_val_node *ctx_node = sw_context->dx_ctx_node;
2717 struct vmw_ctx_bindinfo_so binding;
2718 struct vmw_resource_val_node *res_node;
2719 struct {
2720 SVGA3dCmdHeader header;
2721 SVGA3dCmdDXSetSOTargets body;
2722 SVGA3dSoTarget targets[];
2723 } *cmd;
2724 int i, ret, num;
2725
2726 if (unlikely(ctx_node == NULL)) {
2727 DRM_ERROR("DX Context not set.\n");
2728 return -EINVAL;
2729 }
2730
2731 cmd = container_of(header, typeof(*cmd), header);
2732 num = (cmd->header.size - sizeof(cmd->body)) /
2733 sizeof(SVGA3dSoTarget);
2734
2735 if (num > SVGA3D_DX_MAX_SOTARGETS) {
2736 DRM_ERROR("Invalid DX SO binding.\n");
2737 return -EINVAL;
2738 }
2739
2740 for (i = 0; i < num; i++) {
2741 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2742 user_surface_converter,
2743 &cmd->targets[i].sid, &res_node);
2744 if (unlikely(ret != 0))
2745 return ret;
2746
2747 binding.bi.ctx = ctx_node->res;
2748 binding.bi.res = ((res_node) ? res_node->res : NULL);
2749 binding.bi.bt = vmw_ctx_binding_so,
2750 binding.offset = cmd->targets[i].offset;
2751 binding.size = cmd->targets[i].sizeInBytes;
2752 binding.slot = i;
2753
2754 vmw_binding_add(ctx_node->staged_bindings, &binding.bi,
2755 0, binding.slot);
2756 }
2757
2758 return 0;
2759}
2760
2761static int vmw_cmd_dx_so_define(struct vmw_private *dev_priv,
2762 struct vmw_sw_context *sw_context,
2763 SVGA3dCmdHeader *header)
2764{
2765 struct vmw_resource_val_node *ctx_node = sw_context->dx_ctx_node;
2766 struct vmw_resource *res;
2767 /*
2768 * This is based on the fact that all affected define commands have
2769 * the same initial command body layout.
2770 */
2771 struct {
2772 SVGA3dCmdHeader header;
2773 uint32 defined_id;
2774 } *cmd;
2775 enum vmw_so_type so_type;
2776 int ret;
2777
2778 if (unlikely(ctx_node == NULL)) {
2779 DRM_ERROR("DX Context not set.\n");
2780 return -EINVAL;
2781 }
2782
2783 so_type = vmw_so_cmd_to_type(header->id);
2784 res = vmw_context_cotable(ctx_node->res, vmw_so_cotables[so_type]);
2785 cmd = container_of(header, typeof(*cmd), header);
2786 ret = vmw_cotable_notify(res, cmd->defined_id);
2787 vmw_resource_unreference(&res);
2788
2789 return ret;
2790}
2791
2792/**
2793 * vmw_cmd_dx_check_subresource - Validate an
2794 * SVGA_3D_CMD_DX_[X]_SUBRESOURCE command
2795 *
2796 * @dev_priv: Pointer to a device private struct.
2797 * @sw_context: The software context being used for this batch.
2798 * @header: Pointer to the command header in the command stream.
2799 */
2800static int vmw_cmd_dx_check_subresource(struct vmw_private *dev_priv,
2801 struct vmw_sw_context *sw_context,
2802 SVGA3dCmdHeader *header)
2803{
2804 struct {
2805 SVGA3dCmdHeader header;
2806 union {
2807 SVGA3dCmdDXReadbackSubResource r_body;
2808 SVGA3dCmdDXInvalidateSubResource i_body;
2809 SVGA3dCmdDXUpdateSubResource u_body;
2810 SVGA3dSurfaceId sid;
2811 };
2812 } *cmd;
2813
2814 BUILD_BUG_ON(offsetof(typeof(*cmd), r_body.sid) !=
2815 offsetof(typeof(*cmd), sid));
2816 BUILD_BUG_ON(offsetof(typeof(*cmd), i_body.sid) !=
2817 offsetof(typeof(*cmd), sid));
2818 BUILD_BUG_ON(offsetof(typeof(*cmd), u_body.sid) !=
2819 offsetof(typeof(*cmd), sid));
2820
2821 cmd = container_of(header, typeof(*cmd), header);
2822
2823 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2824 user_surface_converter,
2825 &cmd->sid, NULL);
2826}
2827
2828static int vmw_cmd_dx_cid_check(struct vmw_private *dev_priv,
2829 struct vmw_sw_context *sw_context,
2830 SVGA3dCmdHeader *header)
2831{
2832 struct vmw_resource_val_node *ctx_node = sw_context->dx_ctx_node;
2833
2834 if (unlikely(ctx_node == NULL)) {
2835 DRM_ERROR("DX Context not set.\n");
2836 return -EINVAL;
2837 }
2838
2839 return 0;
2840}
2841
2842/**
2843 * vmw_cmd_dx_view_remove - validate a view remove command and
2844 * schedule the view resource for removal.
2845 *
2846 * @dev_priv: Pointer to a device private struct.
2847 * @sw_context: The software context being used for this batch.
2848 * @header: Pointer to the command header in the command stream.
2849 *
2850 * Check that the view exists, and if it was not created using this
2851 * command batch, make sure it's validated (present in the device) so that
2852 * the remove command will not confuse the device.
2853 */
2854static int vmw_cmd_dx_view_remove(struct vmw_private *dev_priv,
2855 struct vmw_sw_context *sw_context,
2856 SVGA3dCmdHeader *header)
2857{
2858 struct vmw_resource_val_node *ctx_node = sw_context->dx_ctx_node;
2859 struct {
2860 SVGA3dCmdHeader header;
2861 union vmw_view_destroy body;
2862 } *cmd = container_of(header, typeof(*cmd), header);
2863 enum vmw_view_type view_type = vmw_view_cmd_to_type(header->id);
2864 struct vmw_resource *view;
2865 int ret;
2866
2867 if (!ctx_node) {
2868 DRM_ERROR("DX Context not set.\n");
2869 return -EINVAL;
2870 }
2871
2872 ret = vmw_view_remove(sw_context->man,
2873 cmd->body.view_id, view_type,
2874 &sw_context->staged_cmd_res,
2875 &view);
2876 if (ret || !view)
2877 return ret;
2878
2879 /*
2880 * Add view to the validate list iff it was not created using this
2881 * command batch.
2882 */
2883 return vmw_view_res_val_add(sw_context, view);
2884}
2885
2886/**
2887 * vmw_cmd_dx_define_shader - Validate an SVGA_3D_CMD_DX_DEFINE_SHADER
2888 * command
2889 *
2890 * @dev_priv: Pointer to a device private struct.
2891 * @sw_context: The software context being used for this batch.
2892 * @header: Pointer to the command header in the command stream.
2893 */
2894static int vmw_cmd_dx_define_shader(struct vmw_private *dev_priv,
2895 struct vmw_sw_context *sw_context,
2896 SVGA3dCmdHeader *header)
2897{
2898 struct vmw_resource_val_node *ctx_node = sw_context->dx_ctx_node;
2899 struct vmw_resource *res;
2900 struct {
2901 SVGA3dCmdHeader header;
2902 SVGA3dCmdDXDefineShader body;
2903 } *cmd = container_of(header, typeof(*cmd), header);
2904 int ret;
2905
2906 if (!ctx_node) {
2907 DRM_ERROR("DX Context not set.\n");
2908 return -EINVAL;
2909 }
2910
2911 res = vmw_context_cotable(ctx_node->res, SVGA_COTABLE_DXSHADER);
2912 ret = vmw_cotable_notify(res, cmd->body.shaderId);
2913 vmw_resource_unreference(&res);
2914 if (ret)
2915 return ret;
2916
2917 return vmw_dx_shader_add(sw_context->man, ctx_node->res,
2918 cmd->body.shaderId, cmd->body.type,
2919 &sw_context->staged_cmd_res);
2920}
2921
2922/**
2923 * vmw_cmd_dx_destroy_shader - Validate an SVGA_3D_CMD_DX_DESTROY_SHADER
2924 * command
2925 *
2926 * @dev_priv: Pointer to a device private struct.
2927 * @sw_context: The software context being used for this batch.
2928 * @header: Pointer to the command header in the command stream.
2929 */
2930static int vmw_cmd_dx_destroy_shader(struct vmw_private *dev_priv,
2931 struct vmw_sw_context *sw_context,
2932 SVGA3dCmdHeader *header)
2933{
2934 struct vmw_resource_val_node *ctx_node = sw_context->dx_ctx_node;
2935 struct {
2936 SVGA3dCmdHeader header;
2937 SVGA3dCmdDXDestroyShader body;
2938 } *cmd = container_of(header, typeof(*cmd), header);
2939 int ret;
2940
2941 if (!ctx_node) {
2942 DRM_ERROR("DX Context not set.\n");
2943 return -EINVAL;
2944 }
2945
2946 ret = vmw_shader_remove(sw_context->man, cmd->body.shaderId, 0,
2947 &sw_context->staged_cmd_res);
2948 if (ret)
2949 DRM_ERROR("Could not find shader to remove.\n");
2950
2951 return ret;
2952}
2953
2954/**
2955 * vmw_cmd_dx_bind_shader - Validate an SVGA_3D_CMD_DX_BIND_SHADER
2956 * command
2957 *
2958 * @dev_priv: Pointer to a device private struct.
2959 * @sw_context: The software context being used for this batch.
2960 * @header: Pointer to the command header in the command stream.
2961 */
2962static int vmw_cmd_dx_bind_shader(struct vmw_private *dev_priv,
2963 struct vmw_sw_context *sw_context,
2964 SVGA3dCmdHeader *header)
2965{
2966 struct vmw_resource_val_node *ctx_node;
2967 struct vmw_resource_val_node *res_node;
2968 struct vmw_resource *res;
2969 struct {
2970 SVGA3dCmdHeader header;
2971 SVGA3dCmdDXBindShader body;
2972 } *cmd = container_of(header, typeof(*cmd), header);
2973 int ret;
2974
2975 if (cmd->body.cid != SVGA3D_INVALID_ID) {
2976 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
2977 user_context_converter,
2978 &cmd->body.cid, &ctx_node);
2979 if (ret)
2980 return ret;
2981 } else {
2982 ctx_node = sw_context->dx_ctx_node;
2983 if (!ctx_node) {
2984 DRM_ERROR("DX Context not set.\n");
2985 return -EINVAL;
2986 }
2987 }
2988
2989 res = vmw_shader_lookup(vmw_context_res_man(ctx_node->res),
2990 cmd->body.shid, 0);
2991 if (IS_ERR(res)) {
2992 DRM_ERROR("Could not find shader to bind.\n");
2993 return PTR_ERR(res);
2994 }
2995
2996 ret = vmw_resource_val_add(sw_context, res, &res_node);
2997 if (ret) {
2998 DRM_ERROR("Error creating resource validation node.\n");
2999 goto out_unref;
3000 }
3001
3002
3003 ret = vmw_cmd_res_switch_backup(dev_priv, sw_context, res_node,
3004 &cmd->body.mobid,
3005 cmd->body.offsetInBytes);
3006out_unref:
3007 vmw_resource_unreference(&res);
3008
3009 return ret;
3010}
3011
3012/**
3013 * vmw_cmd_dx_genmips - Validate an SVGA_3D_CMD_DX_GENMIPS command
3014 *
3015 * @dev_priv: Pointer to a device private struct.
3016 * @sw_context: The software context being used for this batch.
3017 * @header: Pointer to the command header in the command stream.
3018 */
3019static int vmw_cmd_dx_genmips(struct vmw_private *dev_priv,
3020 struct vmw_sw_context *sw_context,
3021 SVGA3dCmdHeader *header)
3022{
3023 struct {
3024 SVGA3dCmdHeader header;
3025 SVGA3dCmdDXGenMips body;
3026 } *cmd = container_of(header, typeof(*cmd), header);
3027
3028 return vmw_view_id_val_add(sw_context, vmw_view_sr,
3029 cmd->body.shaderResourceViewId);
3030}
3031
3032static int vmw_cmd_check_not_3d(struct vmw_private *dev_priv,
3033 struct vmw_sw_context *sw_context,
3034 void *buf, uint32_t *size)
3035{
3036 uint32_t size_remaining = *size;
3037 uint32_t cmd_id;
3038
3039 cmd_id = ((uint32_t *)buf)[0];
3040 switch (cmd_id) {
3041 case SVGA_CMD_UPDATE:
3042 *size = sizeof(uint32_t) + sizeof(SVGAFifoCmdUpdate);
3043 break;
3044 case SVGA_CMD_DEFINE_GMRFB:
3045 *size = sizeof(uint32_t) + sizeof(SVGAFifoCmdDefineGMRFB);
3046 break;
3047 case SVGA_CMD_BLIT_GMRFB_TO_SCREEN:
3048 *size = sizeof(uint32_t) + sizeof(SVGAFifoCmdBlitGMRFBToScreen);
3049 break;
3050 case SVGA_CMD_BLIT_SCREEN_TO_GMRFB:
3051 *size = sizeof(uint32_t) + sizeof(SVGAFifoCmdBlitGMRFBToScreen);
3052 break;
3053 default:
3054 DRM_ERROR("Unsupported SVGA command: %u.\n", cmd_id);
3055 return -EINVAL;
3056 }
3057
3058 if (*size > size_remaining) {
3059 DRM_ERROR("Invalid SVGA command (size mismatch):"
3060 " %u.\n", cmd_id);
3061 return -EINVAL;
3062 }
3063
3064 if (unlikely(!sw_context->kernel)) {
3065 DRM_ERROR("Kernel only SVGA command: %u.\n", cmd_id);
3066 return -EPERM;
3067 }
3068
3069 if (cmd_id == SVGA_CMD_DEFINE_GMRFB)
3070 return vmw_cmd_check_define_gmrfb(dev_priv, sw_context, buf);
3071
3072 return 0;
3073}
3074
3075static const struct vmw_cmd_entry vmw_cmd_entries[SVGA_3D_CMD_MAX] = {
3076 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DEFINE, &vmw_cmd_invalid,
3077 false, false, false),
3078 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DESTROY, &vmw_cmd_invalid,
3079 false, false, false),
3080 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_COPY, &vmw_cmd_surface_copy_check,
3081 true, false, false),
3082 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_STRETCHBLT, &vmw_cmd_stretch_blt_check,
3083 true, false, false),
3084 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DMA, &vmw_cmd_dma,
3085 true, false, false),
3086 VMW_CMD_DEF(SVGA_3D_CMD_CONTEXT_DEFINE, &vmw_cmd_invalid,
3087 false, false, false),
3088 VMW_CMD_DEF(SVGA_3D_CMD_CONTEXT_DESTROY, &vmw_cmd_invalid,
3089 false, false, false),
3090 VMW_CMD_DEF(SVGA_3D_CMD_SETTRANSFORM, &vmw_cmd_cid_check,
3091 true, false, false),
3092 VMW_CMD_DEF(SVGA_3D_CMD_SETZRANGE, &vmw_cmd_cid_check,
3093 true, false, false),
3094 VMW_CMD_DEF(SVGA_3D_CMD_SETRENDERSTATE, &vmw_cmd_cid_check,
3095 true, false, false),
3096 VMW_CMD_DEF(SVGA_3D_CMD_SETRENDERTARGET,
3097 &vmw_cmd_set_render_target_check, true, false, false),
3098 VMW_CMD_DEF(SVGA_3D_CMD_SETTEXTURESTATE, &vmw_cmd_tex_state,
3099 true, false, false),
3100 VMW_CMD_DEF(SVGA_3D_CMD_SETMATERIAL, &vmw_cmd_cid_check,
3101 true, false, false),
3102 VMW_CMD_DEF(SVGA_3D_CMD_SETLIGHTDATA, &vmw_cmd_cid_check,
3103 true, false, false),
3104 VMW_CMD_DEF(SVGA_3D_CMD_SETLIGHTENABLED, &vmw_cmd_cid_check,
3105 true, false, false),
3106 VMW_CMD_DEF(SVGA_3D_CMD_SETVIEWPORT, &vmw_cmd_cid_check,
3107 true, false, false),
3108 VMW_CMD_DEF(SVGA_3D_CMD_SETCLIPPLANE, &vmw_cmd_cid_check,
3109 true, false, false),
3110 VMW_CMD_DEF(SVGA_3D_CMD_CLEAR, &vmw_cmd_cid_check,
3111 true, false, false),
3112 VMW_CMD_DEF(SVGA_3D_CMD_PRESENT, &vmw_cmd_present_check,
3113 false, false, false),
3114 VMW_CMD_DEF(SVGA_3D_CMD_SHADER_DEFINE, &vmw_cmd_shader_define,
3115 true, false, false),
3116 VMW_CMD_DEF(SVGA_3D_CMD_SHADER_DESTROY, &vmw_cmd_shader_destroy,
3117 true, false, false),
3118 VMW_CMD_DEF(SVGA_3D_CMD_SET_SHADER, &vmw_cmd_set_shader,
3119 true, false, false),
3120 VMW_CMD_DEF(SVGA_3D_CMD_SET_SHADER_CONST, &vmw_cmd_set_shader_const,
3121 true, false, false),
3122 VMW_CMD_DEF(SVGA_3D_CMD_DRAW_PRIMITIVES, &vmw_cmd_draw,
3123 true, false, false),
3124 VMW_CMD_DEF(SVGA_3D_CMD_SETSCISSORRECT, &vmw_cmd_cid_check,
3125 true, false, false),
3126 VMW_CMD_DEF(SVGA_3D_CMD_BEGIN_QUERY, &vmw_cmd_begin_query,
3127 true, false, false),
3128 VMW_CMD_DEF(SVGA_3D_CMD_END_QUERY, &vmw_cmd_end_query,
3129 true, false, false),
3130 VMW_CMD_DEF(SVGA_3D_CMD_WAIT_FOR_QUERY, &vmw_cmd_wait_query,
3131 true, false, false),
3132 VMW_CMD_DEF(SVGA_3D_CMD_PRESENT_READBACK, &vmw_cmd_ok,
3133 true, false, false),
3134 VMW_CMD_DEF(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN,
3135 &vmw_cmd_blt_surf_screen_check, false, false, false),
3136 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DEFINE_V2, &vmw_cmd_invalid,
3137 false, false, false),
3138 VMW_CMD_DEF(SVGA_3D_CMD_GENERATE_MIPMAPS, &vmw_cmd_invalid,
3139 false, false, false),
3140 VMW_CMD_DEF(SVGA_3D_CMD_ACTIVATE_SURFACE, &vmw_cmd_invalid,
3141 false, false, false),
3142 VMW_CMD_DEF(SVGA_3D_CMD_DEACTIVATE_SURFACE, &vmw_cmd_invalid,
3143 false, false, false),
3144 VMW_CMD_DEF(SVGA_3D_CMD_SCREEN_DMA, &vmw_cmd_invalid,
3145 false, false, false),
3146 VMW_CMD_DEF(SVGA_3D_CMD_SET_UNITY_SURFACE_COOKIE, &vmw_cmd_invalid,
3147 false, false, false),
3148 VMW_CMD_DEF(SVGA_3D_CMD_OPEN_CONTEXT_SURFACE, &vmw_cmd_invalid,
3149 false, false, false),
3150 VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_BITBLT, &vmw_cmd_invalid,
3151 false, false, false),
3152 VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_TRANSBLT, &vmw_cmd_invalid,
3153 false, false, false),
3154 VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_STRETCHBLT, &vmw_cmd_invalid,
3155 false, false, false),
3156 VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_COLORFILL, &vmw_cmd_invalid,
3157 false, false, false),
3158 VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_ALPHABLEND, &vmw_cmd_invalid,
3159 false, false, false),
3160 VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_CLEARTYPEBLEND, &vmw_cmd_invalid,
3161 false, false, false),
3162 VMW_CMD_DEF(SVGA_3D_CMD_SET_OTABLE_BASE, &vmw_cmd_invalid,
3163 false, false, true),
3164 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_OTABLE, &vmw_cmd_invalid,
3165 false, false, true),
3166 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_MOB, &vmw_cmd_invalid,
3167 false, false, true),
3168 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_MOB, &vmw_cmd_invalid,
3169 false, false, true),
3170 VMW_CMD_DEF(SVGA_3D_CMD_REDEFINE_GB_MOB64, &vmw_cmd_invalid,
3171 false, false, true),
3172 VMW_CMD_DEF(SVGA_3D_CMD_UPDATE_GB_MOB_MAPPING, &vmw_cmd_invalid,
3173 false, false, true),
3174 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SURFACE, &vmw_cmd_invalid,
3175 false, false, true),
3176 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_SURFACE, &vmw_cmd_invalid,
3177 false, false, true),
3178 VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_SURFACE, &vmw_cmd_bind_gb_surface,
3179 true, false, true),
3180 VMW_CMD_DEF(SVGA_3D_CMD_COND_BIND_GB_SURFACE, &vmw_cmd_invalid,
3181 false, false, true),
3182 VMW_CMD_DEF(SVGA_3D_CMD_UPDATE_GB_IMAGE, &vmw_cmd_update_gb_image,
3183 true, false, true),
3184 VMW_CMD_DEF(SVGA_3D_CMD_UPDATE_GB_SURFACE,
3185 &vmw_cmd_update_gb_surface, true, false, true),
3186 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_GB_IMAGE,
3187 &vmw_cmd_readback_gb_image, true, false, true),
3188 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_GB_SURFACE,
3189 &vmw_cmd_readback_gb_surface, true, false, true),
3190 VMW_CMD_DEF(SVGA_3D_CMD_INVALIDATE_GB_IMAGE,
3191 &vmw_cmd_invalidate_gb_image, true, false, true),
3192 VMW_CMD_DEF(SVGA_3D_CMD_INVALIDATE_GB_SURFACE,
3193 &vmw_cmd_invalidate_gb_surface, true, false, true),
3194 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_CONTEXT, &vmw_cmd_invalid,
3195 false, false, true),
3196 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_CONTEXT, &vmw_cmd_invalid,
3197 false, false, true),
3198 VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_CONTEXT, &vmw_cmd_invalid,
3199 false, false, true),
3200 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_GB_CONTEXT, &vmw_cmd_invalid,
3201 false, false, true),
3202 VMW_CMD_DEF(SVGA_3D_CMD_INVALIDATE_GB_CONTEXT, &vmw_cmd_invalid,
3203 false, false, true),
3204 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SHADER, &vmw_cmd_invalid,
3205 false, false, true),
3206 VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_SHADER, &vmw_cmd_bind_gb_shader,
3207 true, false, true),
3208 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_SHADER, &vmw_cmd_invalid,
3209 false, false, true),
3210 VMW_CMD_DEF(SVGA_3D_CMD_SET_OTABLE_BASE64, &vmw_cmd_invalid,
3211 false, false, false),
3212 VMW_CMD_DEF(SVGA_3D_CMD_BEGIN_GB_QUERY, &vmw_cmd_begin_gb_query,
3213 true, false, true),
3214 VMW_CMD_DEF(SVGA_3D_CMD_END_GB_QUERY, &vmw_cmd_end_gb_query,
3215 true, false, true),
3216 VMW_CMD_DEF(SVGA_3D_CMD_WAIT_FOR_GB_QUERY, &vmw_cmd_wait_gb_query,
3217 true, false, true),
3218 VMW_CMD_DEF(SVGA_3D_CMD_NOP, &vmw_cmd_ok,
3219 true, false, true),
3220 VMW_CMD_DEF(SVGA_3D_CMD_ENABLE_GART, &vmw_cmd_invalid,
3221 false, false, true),
3222 VMW_CMD_DEF(SVGA_3D_CMD_DISABLE_GART, &vmw_cmd_invalid,
3223 false, false, true),
3224 VMW_CMD_DEF(SVGA_3D_CMD_MAP_MOB_INTO_GART, &vmw_cmd_invalid,
3225 false, false, true),
3226 VMW_CMD_DEF(SVGA_3D_CMD_UNMAP_GART_RANGE, &vmw_cmd_invalid,
3227 false, false, true),
3228 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SCREENTARGET, &vmw_cmd_invalid,
3229 false, false, true),
3230 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_SCREENTARGET, &vmw_cmd_invalid,
3231 false, false, true),
3232 VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_SCREENTARGET, &vmw_cmd_invalid,
3233 false, false, true),
3234 VMW_CMD_DEF(SVGA_3D_CMD_UPDATE_GB_SCREENTARGET, &vmw_cmd_invalid,
3235 false, false, true),
3236 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_GB_IMAGE_PARTIAL, &vmw_cmd_invalid,
3237 false, false, true),
3238 VMW_CMD_DEF(SVGA_3D_CMD_INVALIDATE_GB_IMAGE_PARTIAL, &vmw_cmd_invalid,
3239 false, false, true),
3240 VMW_CMD_DEF(SVGA_3D_CMD_SET_GB_SHADERCONSTS_INLINE, &vmw_cmd_cid_check,
3241 true, false, true),
3242 VMW_CMD_DEF(SVGA_3D_CMD_GB_SCREEN_DMA, &vmw_cmd_invalid,
3243 false, false, true),
3244 VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_SURFACE_WITH_PITCH, &vmw_cmd_invalid,
3245 false, false, true),
3246 VMW_CMD_DEF(SVGA_3D_CMD_GB_MOB_FENCE, &vmw_cmd_invalid,
3247 false, false, true),
3248 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SURFACE_V2, &vmw_cmd_invalid,
3249 false, false, true),
3250
3251 /*
3252 * DX commands
3253 */
3254 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_CONTEXT, &vmw_cmd_invalid,
3255 false, false, true),
3256 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_CONTEXT, &vmw_cmd_invalid,
3257 false, false, true),
3258 VMW_CMD_DEF(SVGA_3D_CMD_DX_BIND_CONTEXT, &vmw_cmd_invalid,
3259 false, false, true),
3260 VMW_CMD_DEF(SVGA_3D_CMD_DX_READBACK_CONTEXT, &vmw_cmd_invalid,
3261 false, false, true),
3262 VMW_CMD_DEF(SVGA_3D_CMD_DX_INVALIDATE_CONTEXT, &vmw_cmd_invalid,
3263 false, false, true),
3264 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SINGLE_CONSTANT_BUFFER,
3265 &vmw_cmd_dx_set_single_constant_buffer, true, false, true),
3266 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SHADER_RESOURCES,
3267 &vmw_cmd_dx_set_shader_res, true, false, true),
3268 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SHADER, &vmw_cmd_dx_set_shader,
3269 true, false, true),
3270 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SAMPLERS, &vmw_cmd_dx_cid_check,
3271 true, false, true),
3272 VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW, &vmw_cmd_dx_cid_check,
3273 true, false, true),
3274 VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW_INDEXED, &vmw_cmd_dx_cid_check,
3275 true, false, true),
3276 VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW_INSTANCED, &vmw_cmd_dx_cid_check,
3277 true, false, true),
3278 VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW_INDEXED_INSTANCED,
3279 &vmw_cmd_dx_cid_check, true, false, true),
3280 VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW_AUTO, &vmw_cmd_dx_cid_check,
3281 true, false, true),
3282 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_VERTEX_BUFFERS,
3283 &vmw_cmd_dx_set_vertex_buffers, true, false, true),
3284 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_INDEX_BUFFER,
3285 &vmw_cmd_dx_set_index_buffer, true, false, true),
3286 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_RENDERTARGETS,
3287 &vmw_cmd_dx_set_rendertargets, true, false, true),
3288 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_BLEND_STATE, &vmw_cmd_dx_cid_check,
3289 true, false, true),
3290 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_DEPTHSTENCIL_STATE,
3291 &vmw_cmd_dx_cid_check, true, false, true),
3292 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_RASTERIZER_STATE,
3293 &vmw_cmd_dx_cid_check, true, false, true),
3294 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_QUERY, &vmw_cmd_dx_define_query,
3295 true, false, true),
3296 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_QUERY, &vmw_cmd_dx_cid_check,
3297 true, false, true),
3298 VMW_CMD_DEF(SVGA_3D_CMD_DX_BIND_QUERY, &vmw_cmd_dx_bind_query,
3299 true, false, true),
3300 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_QUERY_OFFSET,
3301 &vmw_cmd_dx_cid_check, true, false, true),
3302 VMW_CMD_DEF(SVGA_3D_CMD_DX_BEGIN_QUERY, &vmw_cmd_dx_cid_check,
3303 true, false, true),
3304 VMW_CMD_DEF(SVGA_3D_CMD_DX_END_QUERY, &vmw_cmd_dx_cid_check,
3305 true, false, true),
3306 VMW_CMD_DEF(SVGA_3D_CMD_DX_READBACK_QUERY, &vmw_cmd_invalid,
3307 true, false, true),
3308 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_PREDICATION, &vmw_cmd_dx_cid_check,
3309 true, false, true),
3310 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_VIEWPORTS, &vmw_cmd_dx_cid_check,
3311 true, false, true),
3312 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SCISSORRECTS, &vmw_cmd_dx_cid_check,
3313 true, false, true),
3314 VMW_CMD_DEF(SVGA_3D_CMD_DX_CLEAR_RENDERTARGET_VIEW,
3315 &vmw_cmd_dx_clear_rendertarget_view, true, false, true),
3316 VMW_CMD_DEF(SVGA_3D_CMD_DX_CLEAR_DEPTHSTENCIL_VIEW,
3317 &vmw_cmd_dx_clear_depthstencil_view, true, false, true),
3318 VMW_CMD_DEF(SVGA_3D_CMD_DX_PRED_COPY, &vmw_cmd_invalid,
3319 true, false, true),
3320 VMW_CMD_DEF(SVGA_3D_CMD_DX_GENMIPS, &vmw_cmd_dx_genmips,
3321 true, false, true),
3322 VMW_CMD_DEF(SVGA_3D_CMD_DX_UPDATE_SUBRESOURCE,
3323 &vmw_cmd_dx_check_subresource, true, false, true),
3324 VMW_CMD_DEF(SVGA_3D_CMD_DX_READBACK_SUBRESOURCE,
3325 &vmw_cmd_dx_check_subresource, true, false, true),
3326 VMW_CMD_DEF(SVGA_3D_CMD_DX_INVALIDATE_SUBRESOURCE,
3327 &vmw_cmd_dx_check_subresource, true, false, true),
3328 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_SHADERRESOURCE_VIEW,
3329 &vmw_cmd_dx_view_define, true, false, true),
3330 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_SHADERRESOURCE_VIEW,
3331 &vmw_cmd_dx_view_remove, true, false, true),
3332 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_RENDERTARGET_VIEW,
3333 &vmw_cmd_dx_view_define, true, false, true),
3334 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_RENDERTARGET_VIEW,
3335 &vmw_cmd_dx_view_remove, true, false, true),
3336 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_DEPTHSTENCIL_VIEW,
3337 &vmw_cmd_dx_view_define, true, false, true),
3338 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_DEPTHSTENCIL_VIEW,
3339 &vmw_cmd_dx_view_remove, true, false, true),
3340 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_ELEMENTLAYOUT,
3341 &vmw_cmd_dx_so_define, true, false, true),
3342 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_ELEMENTLAYOUT,
3343 &vmw_cmd_dx_cid_check, true, false, true),
3344 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_BLEND_STATE,
3345 &vmw_cmd_dx_so_define, true, false, true),
3346 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_BLEND_STATE,
3347 &vmw_cmd_dx_cid_check, true, false, true),
3348 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_DEPTHSTENCIL_STATE,
3349 &vmw_cmd_dx_so_define, true, false, true),
3350 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_DEPTHSTENCIL_STATE,
3351 &vmw_cmd_dx_cid_check, true, false, true),
3352 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_RASTERIZER_STATE,
3353 &vmw_cmd_dx_so_define, true, false, true),
3354 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_RASTERIZER_STATE,
3355 &vmw_cmd_dx_cid_check, true, false, true),
3356 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_SAMPLER_STATE,
3357 &vmw_cmd_dx_so_define, true, false, true),
3358 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_SAMPLER_STATE,
3359 &vmw_cmd_dx_cid_check, true, false, true),
3360 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_SHADER,
3361 &vmw_cmd_dx_define_shader, true, false, true),
3362 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_SHADER,
3363 &vmw_cmd_dx_destroy_shader, true, false, true),
3364 VMW_CMD_DEF(SVGA_3D_CMD_DX_BIND_SHADER,
3365 &vmw_cmd_dx_bind_shader, true, false, true),
3366 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_STREAMOUTPUT,
3367 &vmw_cmd_dx_so_define, true, false, true),
3368 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_STREAMOUTPUT,
3369 &vmw_cmd_dx_cid_check, true, false, true),
3370 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_STREAMOUTPUT, &vmw_cmd_dx_cid_check,
3371 true, false, true),
3372 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SOTARGETS,
3373 &vmw_cmd_dx_set_so_targets, true, false, true),
3374 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_INPUT_LAYOUT,
3375 &vmw_cmd_dx_cid_check, true, false, true),
3376 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_TOPOLOGY,
3377 &vmw_cmd_dx_cid_check, true, false, true),
3378 VMW_CMD_DEF(SVGA_3D_CMD_DX_BUFFER_COPY,
3379 &vmw_cmd_buffer_copy_check, true, false, true),
3380 VMW_CMD_DEF(SVGA_3D_CMD_DX_PRED_COPY_REGION,
3381 &vmw_cmd_pred_copy_check, true, false, true),
3382};
3383
3384static int vmw_cmd_check(struct vmw_private *dev_priv,
3385 struct vmw_sw_context *sw_context,
3386 void *buf, uint32_t *size)
3387{
3388 uint32_t cmd_id;
3389 uint32_t size_remaining = *size;
3390 SVGA3dCmdHeader *header = (SVGA3dCmdHeader *) buf;
3391 int ret;
3392 const struct vmw_cmd_entry *entry;
3393 bool gb = dev_priv->capabilities & SVGA_CAP_GBOBJECTS;
3394
3395 cmd_id = ((uint32_t *)buf)[0];
3396 /* Handle any none 3D commands */
3397 if (unlikely(cmd_id < SVGA_CMD_MAX))
3398 return vmw_cmd_check_not_3d(dev_priv, sw_context, buf, size);
3399
3400
3401 cmd_id = header->id;
3402 *size = header->size + sizeof(SVGA3dCmdHeader);
3403
3404 cmd_id -= SVGA_3D_CMD_BASE;
3405 if (unlikely(*size > size_remaining))
3406 goto out_invalid;
3407
3408 if (unlikely(cmd_id >= SVGA_3D_CMD_MAX - SVGA_3D_CMD_BASE))
3409 goto out_invalid;
3410
3411 entry = &vmw_cmd_entries[cmd_id];
3412 if (unlikely(!entry->func))
3413 goto out_invalid;
3414
3415 if (unlikely(!entry->user_allow && !sw_context->kernel))
3416 goto out_privileged;
3417
3418 if (unlikely(entry->gb_disable && gb))
3419 goto out_old;
3420
3421 if (unlikely(entry->gb_enable && !gb))
3422 goto out_new;
3423
3424 ret = entry->func(dev_priv, sw_context, header);
3425 if (unlikely(ret != 0))
3426 goto out_invalid;
3427
3428 return 0;
3429out_invalid:
3430 DRM_ERROR("Invalid SVGA3D command: %d\n",
3431 cmd_id + SVGA_3D_CMD_BASE);
3432 return -EINVAL;
3433out_privileged:
3434 DRM_ERROR("Privileged SVGA3D command: %d\n",
3435 cmd_id + SVGA_3D_CMD_BASE);
3436 return -EPERM;
3437out_old:
3438 DRM_ERROR("Deprecated (disallowed) SVGA3D command: %d\n",
3439 cmd_id + SVGA_3D_CMD_BASE);
3440 return -EINVAL;
3441out_new:
3442 DRM_ERROR("SVGA3D command: %d not supported by virtual hardware.\n",
3443 cmd_id + SVGA_3D_CMD_BASE);
3444 return -EINVAL;
3445}
3446
3447static int vmw_cmd_check_all(struct vmw_private *dev_priv,
3448 struct vmw_sw_context *sw_context,
3449 void *buf,
3450 uint32_t size)
3451{
3452 int32_t cur_size = size;
3453 int ret;
3454
3455 sw_context->buf_start = buf;
3456
3457 while (cur_size > 0) {
3458 size = cur_size;
3459 ret = vmw_cmd_check(dev_priv, sw_context, buf, &size);
3460 if (unlikely(ret != 0))
3461 return ret;
3462 buf = (void *)((unsigned long) buf + size);
3463 cur_size -= size;
3464 }
3465
3466 if (unlikely(cur_size != 0)) {
3467 DRM_ERROR("Command verifier out of sync.\n");
3468 return -EINVAL;
3469 }
3470
3471 return 0;
3472}
3473
3474static void vmw_free_relocations(struct vmw_sw_context *sw_context)
3475{
3476 sw_context->cur_reloc = 0;
3477}
3478
3479static void vmw_apply_relocations(struct vmw_sw_context *sw_context)
3480{
3481 uint32_t i;
3482 struct vmw_relocation *reloc;
3483 struct ttm_validate_buffer *validate;
3484 struct ttm_buffer_object *bo;
3485
3486 for (i = 0; i < sw_context->cur_reloc; ++i) {
3487 reloc = &sw_context->relocs[i];
3488 validate = &sw_context->val_bufs[reloc->index].base;
3489 bo = validate->bo;
3490 switch (bo->mem.mem_type) {
3491 case TTM_PL_VRAM:
3492 reloc->location->offset += bo->offset;
3493 reloc->location->gmrId = SVGA_GMR_FRAMEBUFFER;
3494 break;
3495 case VMW_PL_GMR:
3496 reloc->location->gmrId = bo->mem.start;
3497 break;
3498 case VMW_PL_MOB:
3499 *reloc->mob_loc = bo->mem.start;
3500 break;
3501 default:
3502 BUG();
3503 }
3504 }
3505 vmw_free_relocations(sw_context);
3506}
3507
3508/**
3509 * vmw_resource_list_unrefererence - Free up a resource list and unreference
3510 * all resources referenced by it.
3511 *
3512 * @list: The resource list.
3513 */
3514static void vmw_resource_list_unreference(struct vmw_sw_context *sw_context,
3515 struct list_head *list)
3516{
3517 struct vmw_resource_val_node *val, *val_next;
3518
3519 /*
3520 * Drop references to resources held during command submission.
3521 */
3522
3523 list_for_each_entry_safe(val, val_next, list, head) {
3524 list_del_init(&val->head);
3525 vmw_resource_unreference(&val->res);
3526
3527 if (val->staged_bindings) {
3528 if (val->staged_bindings != sw_context->staged_bindings)
3529 vmw_binding_state_free(val->staged_bindings);
3530 else
3531 sw_context->staged_bindings_inuse = false;
3532 val->staged_bindings = NULL;
3533 }
3534
3535 kfree(val);
3536 }
3537}
3538
3539static void vmw_clear_validations(struct vmw_sw_context *sw_context)
3540{
3541 struct vmw_validate_buffer *entry, *next;
3542 struct vmw_resource_val_node *val;
3543
3544 /*
3545 * Drop references to DMA buffers held during command submission.
3546 */
3547 list_for_each_entry_safe(entry, next, &sw_context->validate_nodes,
3548 base.head) {
3549 list_del(&entry->base.head);
3550 ttm_bo_unref(&entry->base.bo);
3551 (void) drm_ht_remove_item(&sw_context->res_ht, &entry->hash);
3552 sw_context->cur_val_buf--;
3553 }
3554 BUG_ON(sw_context->cur_val_buf != 0);
3555
3556 list_for_each_entry(val, &sw_context->resource_list, head)
3557 (void) drm_ht_remove_item(&sw_context->res_ht, &val->hash);
3558}
3559
3560int vmw_validate_single_buffer(struct vmw_private *dev_priv,
3561 struct ttm_buffer_object *bo,
3562 bool interruptible,
3563 bool validate_as_mob)
3564{
3565 struct vmw_dma_buffer *vbo = container_of(bo, struct vmw_dma_buffer,
3566 base);
3567 int ret;
3568
3569 if (vbo->pin_count > 0)
3570 return 0;
3571
3572 if (validate_as_mob)
3573 return ttm_bo_validate(bo, &vmw_mob_placement, interruptible,
3574 false);
3575
3576 /**
3577 * Put BO in VRAM if there is space, otherwise as a GMR.
3578 * If there is no space in VRAM and GMR ids are all used up,
3579 * start evicting GMRs to make room. If the DMA buffer can't be
3580 * used as a GMR, this will return -ENOMEM.
3581 */
3582
3583 ret = ttm_bo_validate(bo, &vmw_vram_gmr_placement, interruptible,
3584 false);
3585 if (likely(ret == 0 || ret == -ERESTARTSYS))
3586 return ret;
3587
3588 /**
3589 * If that failed, try VRAM again, this time evicting
3590 * previous contents.
3591 */
3592
3593 ret = ttm_bo_validate(bo, &vmw_vram_placement, interruptible, false);
3594 return ret;
3595}
3596
3597static int vmw_validate_buffers(struct vmw_private *dev_priv,
3598 struct vmw_sw_context *sw_context)
3599{
3600 struct vmw_validate_buffer *entry;
3601 int ret;
3602
3603 list_for_each_entry(entry, &sw_context->validate_nodes, base.head) {
3604 ret = vmw_validate_single_buffer(dev_priv, entry->base.bo,
3605 true,
3606 entry->validate_as_mob);
3607 if (unlikely(ret != 0))
3608 return ret;
3609 }
3610 return 0;
3611}
3612
3613static int vmw_resize_cmd_bounce(struct vmw_sw_context *sw_context,
3614 uint32_t size)
3615{
3616 if (likely(sw_context->cmd_bounce_size >= size))
3617 return 0;
3618
3619 if (sw_context->cmd_bounce_size == 0)
3620 sw_context->cmd_bounce_size = VMWGFX_CMD_BOUNCE_INIT_SIZE;
3621
3622 while (sw_context->cmd_bounce_size < size) {
3623 sw_context->cmd_bounce_size =
3624 PAGE_ALIGN(sw_context->cmd_bounce_size +
3625 (sw_context->cmd_bounce_size >> 1));
3626 }
3627
3628 if (sw_context->cmd_bounce != NULL)
3629 vfree(sw_context->cmd_bounce);
3630
3631 sw_context->cmd_bounce = vmalloc(sw_context->cmd_bounce_size);
3632
3633 if (sw_context->cmd_bounce == NULL) {
3634 DRM_ERROR("Failed to allocate command bounce buffer.\n");
3635 sw_context->cmd_bounce_size = 0;
3636 return -ENOMEM;
3637 }
3638
3639 return 0;
3640}
3641
3642/**
3643 * vmw_execbuf_fence_commands - create and submit a command stream fence
3644 *
3645 * Creates a fence object and submits a command stream marker.
3646 * If this fails for some reason, We sync the fifo and return NULL.
3647 * It is then safe to fence buffers with a NULL pointer.
3648 *
3649 * If @p_handle is not NULL @file_priv must also not be NULL. Creates
3650 * a userspace handle if @p_handle is not NULL, otherwise not.
3651 */
3652
3653int vmw_execbuf_fence_commands(struct drm_file *file_priv,
3654 struct vmw_private *dev_priv,
3655 struct vmw_fence_obj **p_fence,
3656 uint32_t *p_handle)
3657{
3658 uint32_t sequence;
3659 int ret;
3660 bool synced = false;
3661
3662 /* p_handle implies file_priv. */
3663 BUG_ON(p_handle != NULL && file_priv == NULL);
3664
3665 ret = vmw_fifo_send_fence(dev_priv, &sequence);
3666 if (unlikely(ret != 0)) {
3667 DRM_ERROR("Fence submission error. Syncing.\n");
3668 synced = true;
3669 }
3670
3671 if (p_handle != NULL)
3672 ret = vmw_user_fence_create(file_priv, dev_priv->fman,
3673 sequence, p_fence, p_handle);
3674 else
3675 ret = vmw_fence_create(dev_priv->fman, sequence, p_fence);
3676
3677 if (unlikely(ret != 0 && !synced)) {
3678 (void) vmw_fallback_wait(dev_priv, false, false,
3679 sequence, false,
3680 VMW_FENCE_WAIT_TIMEOUT);
3681 *p_fence = NULL;
3682 }
3683
3684 return 0;
3685}
3686
3687/**
3688 * vmw_execbuf_copy_fence_user - copy fence object information to
3689 * user-space.
3690 *
3691 * @dev_priv: Pointer to a vmw_private struct.
3692 * @vmw_fp: Pointer to the struct vmw_fpriv representing the calling file.
3693 * @ret: Return value from fence object creation.
3694 * @user_fence_rep: User space address of a struct drm_vmw_fence_rep to
3695 * which the information should be copied.
3696 * @fence: Pointer to the fenc object.
3697 * @fence_handle: User-space fence handle.
3698 *
3699 * This function copies fence information to user-space. If copying fails,
3700 * The user-space struct drm_vmw_fence_rep::error member is hopefully
3701 * left untouched, and if it's preloaded with an -EFAULT by user-space,
3702 * the error will hopefully be detected.
3703 * Also if copying fails, user-space will be unable to signal the fence
3704 * object so we wait for it immediately, and then unreference the
3705 * user-space reference.
3706 */
3707void
3708vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv,
3709 struct vmw_fpriv *vmw_fp,
3710 int ret,
3711 struct drm_vmw_fence_rep __user *user_fence_rep,
3712 struct vmw_fence_obj *fence,
3713 uint32_t fence_handle)
3714{
3715 struct drm_vmw_fence_rep fence_rep;
3716
3717 if (user_fence_rep == NULL)
3718 return;
3719
3720 memset(&fence_rep, 0, sizeof(fence_rep));
3721
3722 fence_rep.error = ret;
3723 if (ret == 0) {
3724 BUG_ON(fence == NULL);
3725
3726 fence_rep.handle = fence_handle;
3727 fence_rep.seqno = fence->base.seqno;
3728 vmw_update_seqno(dev_priv, &dev_priv->fifo);
3729 fence_rep.passed_seqno = dev_priv->last_read_seqno;
3730 }
3731
3732 /*
3733 * copy_to_user errors will be detected by user space not
3734 * seeing fence_rep::error filled in. Typically
3735 * user-space would have pre-set that member to -EFAULT.
3736 */
3737 ret = copy_to_user(user_fence_rep, &fence_rep,
3738 sizeof(fence_rep));
3739
3740 /*
3741 * User-space lost the fence object. We need to sync
3742 * and unreference the handle.
3743 */
3744 if (unlikely(ret != 0) && (fence_rep.error == 0)) {
3745 ttm_ref_object_base_unref(vmw_fp->tfile,
3746 fence_handle, TTM_REF_USAGE);
3747 DRM_ERROR("Fence copy error. Syncing.\n");
3748 (void) vmw_fence_obj_wait(fence, false, false,
3749 VMW_FENCE_WAIT_TIMEOUT);
3750 }
3751}
3752
3753/**
3754 * vmw_execbuf_submit_fifo - Patch a command batch and submit it using
3755 * the fifo.
3756 *
3757 * @dev_priv: Pointer to a device private structure.
3758 * @kernel_commands: Pointer to the unpatched command batch.
3759 * @command_size: Size of the unpatched command batch.
3760 * @sw_context: Structure holding the relocation lists.
3761 *
3762 * Side effects: If this function returns 0, then the command batch
3763 * pointed to by @kernel_commands will have been modified.
3764 */
3765static int vmw_execbuf_submit_fifo(struct vmw_private *dev_priv,
3766 void *kernel_commands,
3767 u32 command_size,
3768 struct vmw_sw_context *sw_context)
3769{
3770 void *cmd;
3771
3772 if (sw_context->dx_ctx_node)
3773 cmd = vmw_fifo_reserve_dx(dev_priv, command_size,
3774 sw_context->dx_ctx_node->res->id);
3775 else
3776 cmd = vmw_fifo_reserve(dev_priv, command_size);
3777 if (!cmd) {
3778 DRM_ERROR("Failed reserving fifo space for commands.\n");
3779 return -ENOMEM;
3780 }
3781
3782 vmw_apply_relocations(sw_context);
3783 memcpy(cmd, kernel_commands, command_size);
3784 vmw_resource_relocations_apply(cmd, &sw_context->res_relocations);
3785 vmw_resource_relocations_free(&sw_context->res_relocations);
3786 vmw_fifo_commit(dev_priv, command_size);
3787
3788 return 0;
3789}
3790
3791/**
3792 * vmw_execbuf_submit_cmdbuf - Patch a command batch and submit it using
3793 * the command buffer manager.
3794 *
3795 * @dev_priv: Pointer to a device private structure.
3796 * @header: Opaque handle to the command buffer allocation.
3797 * @command_size: Size of the unpatched command batch.
3798 * @sw_context: Structure holding the relocation lists.
3799 *
3800 * Side effects: If this function returns 0, then the command buffer
3801 * represented by @header will have been modified.
3802 */
3803static int vmw_execbuf_submit_cmdbuf(struct vmw_private *dev_priv,
3804 struct vmw_cmdbuf_header *header,
3805 u32 command_size,
3806 struct vmw_sw_context *sw_context)
3807{
3808 u32 id = ((sw_context->dx_ctx_node) ? sw_context->dx_ctx_node->res->id :
3809 SVGA3D_INVALID_ID);
3810 void *cmd = vmw_cmdbuf_reserve(dev_priv->cman, command_size,
3811 id, false, header);
3812
3813 vmw_apply_relocations(sw_context);
3814 vmw_resource_relocations_apply(cmd, &sw_context->res_relocations);
3815 vmw_resource_relocations_free(&sw_context->res_relocations);
3816 vmw_cmdbuf_commit(dev_priv->cman, command_size, header, false);
3817
3818 return 0;
3819}
3820
3821/**
3822 * vmw_execbuf_cmdbuf - Prepare, if possible, a user-space command batch for
3823 * submission using a command buffer.
3824 *
3825 * @dev_priv: Pointer to a device private structure.
3826 * @user_commands: User-space pointer to the commands to be submitted.
3827 * @command_size: Size of the unpatched command batch.
3828 * @header: Out parameter returning the opaque pointer to the command buffer.
3829 *
3830 * This function checks whether we can use the command buffer manager for
3831 * submission and if so, creates a command buffer of suitable size and
3832 * copies the user data into that buffer.
3833 *
3834 * On successful return, the function returns a pointer to the data in the
3835 * command buffer and *@header is set to non-NULL.
3836 * If command buffers could not be used, the function will return the value
3837 * of @kernel_commands on function call. That value may be NULL. In that case,
3838 * the value of *@header will be set to NULL.
3839 * If an error is encountered, the function will return a pointer error value.
3840 * If the function is interrupted by a signal while sleeping, it will return
3841 * -ERESTARTSYS casted to a pointer error value.
3842 */
3843static void *vmw_execbuf_cmdbuf(struct vmw_private *dev_priv,
3844 void __user *user_commands,
3845 void *kernel_commands,
3846 u32 command_size,
3847 struct vmw_cmdbuf_header **header)
3848{
3849 size_t cmdbuf_size;
3850 int ret;
3851
3852 *header = NULL;
3853 if (!dev_priv->cman || kernel_commands)
3854 return kernel_commands;
3855
3856 if (command_size > SVGA_CB_MAX_SIZE) {
3857 DRM_ERROR("Command buffer is too large.\n");
3858 return ERR_PTR(-EINVAL);
3859 }
3860
3861 /* If possible, add a little space for fencing. */
3862 cmdbuf_size = command_size + 512;
3863 cmdbuf_size = min_t(size_t, cmdbuf_size, SVGA_CB_MAX_SIZE);
3864 kernel_commands = vmw_cmdbuf_alloc(dev_priv->cman, cmdbuf_size,
3865 true, header);
3866 if (IS_ERR(kernel_commands))
3867 return kernel_commands;
3868
3869 ret = copy_from_user(kernel_commands, user_commands,
3870 command_size);
3871 if (ret) {
3872 DRM_ERROR("Failed copying commands.\n");
3873 vmw_cmdbuf_header_free(*header);
3874 *header = NULL;
3875 return ERR_PTR(-EFAULT);
3876 }
3877
3878 return kernel_commands;
3879}
3880
3881static int vmw_execbuf_tie_context(struct vmw_private *dev_priv,
3882 struct vmw_sw_context *sw_context,
3883 uint32_t handle)
3884{
3885 struct vmw_resource_val_node *ctx_node;
3886 struct vmw_resource *res;
3887 int ret;
3888
3889 if (handle == SVGA3D_INVALID_ID)
3890 return 0;
3891
3892 ret = vmw_user_resource_lookup_handle(dev_priv, sw_context->fp->tfile,
3893 handle, user_context_converter,
3894 &res);
3895 if (unlikely(ret != 0)) {
3896 DRM_ERROR("Could not find or user DX context 0x%08x.\n",
3897 (unsigned) handle);
3898 return ret;
3899 }
3900
3901 ret = vmw_resource_val_add(sw_context, res, &ctx_node);
3902 if (unlikely(ret != 0))
3903 goto out_err;
3904
3905 sw_context->dx_ctx_node = ctx_node;
3906 sw_context->man = vmw_context_res_man(res);
3907out_err:
3908 vmw_resource_unreference(&res);
3909 return ret;
3910}
3911
3912int vmw_execbuf_process(struct drm_file *file_priv,
3913 struct vmw_private *dev_priv,
3914 void __user *user_commands,
3915 void *kernel_commands,
3916 uint32_t command_size,
3917 uint64_t throttle_us,
3918 uint32_t dx_context_handle,
3919 struct drm_vmw_fence_rep __user *user_fence_rep,
3920 struct vmw_fence_obj **out_fence)
3921{
3922 struct vmw_sw_context *sw_context = &dev_priv->ctx;
3923 struct vmw_fence_obj *fence = NULL;
3924 struct vmw_resource *error_resource;
3925 struct list_head resource_list;
3926 struct vmw_cmdbuf_header *header;
3927 struct ww_acquire_ctx ticket;
3928 uint32_t handle;
3929 int ret;
3930
3931 if (throttle_us) {
3932 ret = vmw_wait_lag(dev_priv, &dev_priv->fifo.marker_queue,
3933 throttle_us);
3934
3935 if (ret)
3936 return ret;
3937 }
3938
3939 kernel_commands = vmw_execbuf_cmdbuf(dev_priv, user_commands,
3940 kernel_commands, command_size,
3941 &header);
3942 if (IS_ERR(kernel_commands))
3943 return PTR_ERR(kernel_commands);
3944
3945 ret = mutex_lock_interruptible(&dev_priv->cmdbuf_mutex);
3946 if (ret) {
3947 ret = -ERESTARTSYS;
3948 goto out_free_header;
3949 }
3950
3951 sw_context->kernel = false;
3952 if (kernel_commands == NULL) {
3953 ret = vmw_resize_cmd_bounce(sw_context, command_size);
3954 if (unlikely(ret != 0))
3955 goto out_unlock;
3956
3957
3958 ret = copy_from_user(sw_context->cmd_bounce,
3959 user_commands, command_size);
3960
3961 if (unlikely(ret != 0)) {
3962 ret = -EFAULT;
3963 DRM_ERROR("Failed copying commands.\n");
3964 goto out_unlock;
3965 }
3966 kernel_commands = sw_context->cmd_bounce;
3967 } else if (!header)
3968 sw_context->kernel = true;
3969
3970 sw_context->fp = vmw_fpriv(file_priv);
3971 sw_context->cur_reloc = 0;
3972 sw_context->cur_val_buf = 0;
3973 INIT_LIST_HEAD(&sw_context->resource_list);
3974 INIT_LIST_HEAD(&sw_context->ctx_resource_list);
3975 sw_context->cur_query_bo = dev_priv->pinned_bo;
3976 sw_context->last_query_ctx = NULL;
3977 sw_context->needs_post_query_barrier = false;
3978 sw_context->dx_ctx_node = NULL;
3979 sw_context->dx_query_mob = NULL;
3980 sw_context->dx_query_ctx = NULL;
3981 memset(sw_context->res_cache, 0, sizeof(sw_context->res_cache));
3982 INIT_LIST_HEAD(&sw_context->validate_nodes);
3983 INIT_LIST_HEAD(&sw_context->res_relocations);
3984 if (sw_context->staged_bindings)
3985 vmw_binding_state_reset(sw_context->staged_bindings);
3986
3987 if (!sw_context->res_ht_initialized) {
3988 ret = drm_ht_create(&sw_context->res_ht, VMW_RES_HT_ORDER);
3989 if (unlikely(ret != 0))
3990 goto out_unlock;
3991 sw_context->res_ht_initialized = true;
3992 }
3993 INIT_LIST_HEAD(&sw_context->staged_cmd_res);
3994 INIT_LIST_HEAD(&resource_list);
3995 ret = vmw_execbuf_tie_context(dev_priv, sw_context, dx_context_handle);
3996 if (unlikely(ret != 0)) {
3997 list_splice_init(&sw_context->ctx_resource_list,
3998 &sw_context->resource_list);
3999 goto out_err_nores;
4000 }
4001
4002 ret = vmw_cmd_check_all(dev_priv, sw_context, kernel_commands,
4003 command_size);
4004 /*
4005 * Merge the resource lists before checking the return status
4006 * from vmd_cmd_check_all so that all the open hashtabs will
4007 * be handled properly even if vmw_cmd_check_all fails.
4008 */
4009 list_splice_init(&sw_context->ctx_resource_list,
4010 &sw_context->resource_list);
4011
4012 if (unlikely(ret != 0))
4013 goto out_err_nores;
4014
4015 ret = vmw_resources_reserve(sw_context);
4016 if (unlikely(ret != 0))
4017 goto out_err_nores;
4018
4019 ret = ttm_eu_reserve_buffers(&ticket, &sw_context->validate_nodes,
4020 true, NULL);
4021 if (unlikely(ret != 0))
4022 goto out_err_nores;
4023
4024 ret = vmw_validate_buffers(dev_priv, sw_context);
4025 if (unlikely(ret != 0))
4026 goto out_err;
4027
4028 ret = vmw_resources_validate(sw_context);
4029 if (unlikely(ret != 0))
4030 goto out_err;
4031
4032 ret = mutex_lock_interruptible(&dev_priv->binding_mutex);
4033 if (unlikely(ret != 0)) {
4034 ret = -ERESTARTSYS;
4035 goto out_err;
4036 }
4037
4038 if (dev_priv->has_mob) {
4039 ret = vmw_rebind_contexts(sw_context);
4040 if (unlikely(ret != 0))
4041 goto out_unlock_binding;
4042 }
4043
4044 if (!header) {
4045 ret = vmw_execbuf_submit_fifo(dev_priv, kernel_commands,
4046 command_size, sw_context);
4047 } else {
4048 ret = vmw_execbuf_submit_cmdbuf(dev_priv, header, command_size,
4049 sw_context);
4050 header = NULL;
4051 }
4052 mutex_unlock(&dev_priv->binding_mutex);
4053 if (ret)
4054 goto out_err;
4055
4056 vmw_query_bo_switch_commit(dev_priv, sw_context);
4057 ret = vmw_execbuf_fence_commands(file_priv, dev_priv,
4058 &fence,
4059 (user_fence_rep) ? &handle : NULL);
4060 /*
4061 * This error is harmless, because if fence submission fails,
4062 * vmw_fifo_send_fence will sync. The error will be propagated to
4063 * user-space in @fence_rep
4064 */
4065
4066 if (ret != 0)
4067 DRM_ERROR("Fence submission error. Syncing.\n");
4068
4069 vmw_resources_unreserve(sw_context, false);
4070
4071 ttm_eu_fence_buffer_objects(&ticket, &sw_context->validate_nodes,
4072 (void *) fence);
4073
4074 if (unlikely(dev_priv->pinned_bo != NULL &&
4075 !dev_priv->query_cid_valid))
4076 __vmw_execbuf_release_pinned_bo(dev_priv, fence);
4077
4078 vmw_clear_validations(sw_context);
4079 vmw_execbuf_copy_fence_user(dev_priv, vmw_fpriv(file_priv), ret,
4080 user_fence_rep, fence, handle);
4081
4082 /* Don't unreference when handing fence out */
4083 if (unlikely(out_fence != NULL)) {
4084 *out_fence = fence;
4085 fence = NULL;
4086 } else if (likely(fence != NULL)) {
4087 vmw_fence_obj_unreference(&fence);
4088 }
4089
4090 list_splice_init(&sw_context->resource_list, &resource_list);
4091 vmw_cmdbuf_res_commit(&sw_context->staged_cmd_res);
4092 mutex_unlock(&dev_priv->cmdbuf_mutex);
4093
4094 /*
4095 * Unreference resources outside of the cmdbuf_mutex to
4096 * avoid deadlocks in resource destruction paths.
4097 */
4098 vmw_resource_list_unreference(sw_context, &resource_list);
4099
4100 return 0;
4101
4102out_unlock_binding:
4103 mutex_unlock(&dev_priv->binding_mutex);
4104out_err:
4105 ttm_eu_backoff_reservation(&ticket, &sw_context->validate_nodes);
4106out_err_nores:
4107 vmw_resources_unreserve(sw_context, true);
4108 vmw_resource_relocations_free(&sw_context->res_relocations);
4109 vmw_free_relocations(sw_context);
4110 vmw_clear_validations(sw_context);
4111 if (unlikely(dev_priv->pinned_bo != NULL &&
4112 !dev_priv->query_cid_valid))
4113 __vmw_execbuf_release_pinned_bo(dev_priv, NULL);
4114out_unlock:
4115 list_splice_init(&sw_context->resource_list, &resource_list);
4116 error_resource = sw_context->error_resource;
4117 sw_context->error_resource = NULL;
4118 vmw_cmdbuf_res_revert(&sw_context->staged_cmd_res);
4119 mutex_unlock(&dev_priv->cmdbuf_mutex);
4120
4121 /*
4122 * Unreference resources outside of the cmdbuf_mutex to
4123 * avoid deadlocks in resource destruction paths.
4124 */
4125 vmw_resource_list_unreference(sw_context, &resource_list);
4126 if (unlikely(error_resource != NULL))
4127 vmw_resource_unreference(&error_resource);
4128out_free_header:
4129 if (header)
4130 vmw_cmdbuf_header_free(header);
4131
4132 return ret;
4133}
4134
4135/**
4136 * vmw_execbuf_unpin_panic - Idle the fifo and unpin the query buffer.
4137 *
4138 * @dev_priv: The device private structure.
4139 *
4140 * This function is called to idle the fifo and unpin the query buffer
4141 * if the normal way to do this hits an error, which should typically be
4142 * extremely rare.
4143 */
4144static void vmw_execbuf_unpin_panic(struct vmw_private *dev_priv)
4145{
4146 DRM_ERROR("Can't unpin query buffer. Trying to recover.\n");
4147
4148 (void) vmw_fallback_wait(dev_priv, false, true, 0, false, 10*HZ);
4149 vmw_bo_pin_reserved(dev_priv->pinned_bo, false);
4150 if (dev_priv->dummy_query_bo_pinned) {
4151 vmw_bo_pin_reserved(dev_priv->dummy_query_bo, false);
4152 dev_priv->dummy_query_bo_pinned = false;
4153 }
4154}
4155
4156
4157/**
4158 * __vmw_execbuf_release_pinned_bo - Flush queries and unpin the pinned
4159 * query bo.
4160 *
4161 * @dev_priv: The device private structure.
4162 * @fence: If non-NULL should point to a struct vmw_fence_obj issued
4163 * _after_ a query barrier that flushes all queries touching the current
4164 * buffer pointed to by @dev_priv->pinned_bo
4165 *
4166 * This function should be used to unpin the pinned query bo, or
4167 * as a query barrier when we need to make sure that all queries have
4168 * finished before the next fifo command. (For example on hardware
4169 * context destructions where the hardware may otherwise leak unfinished
4170 * queries).
4171 *
4172 * This function does not return any failure codes, but make attempts
4173 * to do safe unpinning in case of errors.
4174 *
4175 * The function will synchronize on the previous query barrier, and will
4176 * thus not finish until that barrier has executed.
4177 *
4178 * the @dev_priv->cmdbuf_mutex needs to be held by the current thread
4179 * before calling this function.
4180 */
4181void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv,
4182 struct vmw_fence_obj *fence)
4183{
4184 int ret = 0;
4185 struct list_head validate_list;
4186 struct ttm_validate_buffer pinned_val, query_val;
4187 struct vmw_fence_obj *lfence = NULL;
4188 struct ww_acquire_ctx ticket;
4189
4190 if (dev_priv->pinned_bo == NULL)
4191 goto out_unlock;
4192
4193 INIT_LIST_HEAD(&validate_list);
4194
4195 pinned_val.bo = ttm_bo_reference(&dev_priv->pinned_bo->base);
4196 pinned_val.shared = false;
4197 list_add_tail(&pinned_val.head, &validate_list);
4198
4199 query_val.bo = ttm_bo_reference(&dev_priv->dummy_query_bo->base);
4200 query_val.shared = false;
4201 list_add_tail(&query_val.head, &validate_list);
4202
4203 ret = ttm_eu_reserve_buffers(&ticket, &validate_list,
4204 false, NULL);
4205 if (unlikely(ret != 0)) {
4206 vmw_execbuf_unpin_panic(dev_priv);
4207 goto out_no_reserve;
4208 }
4209
4210 if (dev_priv->query_cid_valid) {
4211 BUG_ON(fence != NULL);
4212 ret = vmw_fifo_emit_dummy_query(dev_priv, dev_priv->query_cid);
4213 if (unlikely(ret != 0)) {
4214 vmw_execbuf_unpin_panic(dev_priv);
4215 goto out_no_emit;
4216 }
4217 dev_priv->query_cid_valid = false;
4218 }
4219
4220 vmw_bo_pin_reserved(dev_priv->pinned_bo, false);
4221 if (dev_priv->dummy_query_bo_pinned) {
4222 vmw_bo_pin_reserved(dev_priv->dummy_query_bo, false);
4223 dev_priv->dummy_query_bo_pinned = false;
4224 }
4225 if (fence == NULL) {
4226 (void) vmw_execbuf_fence_commands(NULL, dev_priv, &lfence,
4227 NULL);
4228 fence = lfence;
4229 }
4230 ttm_eu_fence_buffer_objects(&ticket, &validate_list, (void *) fence);
4231 if (lfence != NULL)
4232 vmw_fence_obj_unreference(&lfence);
4233
4234 ttm_bo_unref(&query_val.bo);
4235 ttm_bo_unref(&pinned_val.bo);
4236 vmw_dmabuf_unreference(&dev_priv->pinned_bo);
4237 DRM_INFO("Dummy query bo pin count: %d\n",
4238 dev_priv->dummy_query_bo->pin_count);
4239
4240out_unlock:
4241 return;
4242
4243out_no_emit:
4244 ttm_eu_backoff_reservation(&ticket, &validate_list);
4245out_no_reserve:
4246 ttm_bo_unref(&query_val.bo);
4247 ttm_bo_unref(&pinned_val.bo);
4248 vmw_dmabuf_unreference(&dev_priv->pinned_bo);
4249}
4250
4251/**
4252 * vmw_execbuf_release_pinned_bo - Flush queries and unpin the pinned
4253 * query bo.
4254 *
4255 * @dev_priv: The device private structure.
4256 *
4257 * This function should be used to unpin the pinned query bo, or
4258 * as a query barrier when we need to make sure that all queries have
4259 * finished before the next fifo command. (For example on hardware
4260 * context destructions where the hardware may otherwise leak unfinished
4261 * queries).
4262 *
4263 * This function does not return any failure codes, but make attempts
4264 * to do safe unpinning in case of errors.
4265 *
4266 * The function will synchronize on the previous query barrier, and will
4267 * thus not finish until that barrier has executed.
4268 */
4269void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv)
4270{
4271 mutex_lock(&dev_priv->cmdbuf_mutex);
4272 if (dev_priv->query_cid_valid)
4273 __vmw_execbuf_release_pinned_bo(dev_priv, NULL);
4274 mutex_unlock(&dev_priv->cmdbuf_mutex);
4275}
4276
4277int vmw_execbuf_ioctl(struct drm_device *dev, unsigned long data,
4278 struct drm_file *file_priv, size_t size)
4279{
4280 struct vmw_private *dev_priv = vmw_priv(dev);
4281 struct drm_vmw_execbuf_arg arg;
4282 int ret;
4283 static const size_t copy_offset[] = {
4284 offsetof(struct drm_vmw_execbuf_arg, context_handle),
4285 sizeof(struct drm_vmw_execbuf_arg)};
4286
4287 if (unlikely(size < copy_offset[0])) {
4288 DRM_ERROR("Invalid command size, ioctl %d\n",
4289 DRM_VMW_EXECBUF);
4290 return -EINVAL;
4291 }
4292
4293 if (copy_from_user(&arg, (void __user *) data, copy_offset[0]) != 0)
4294 return -EFAULT;
4295
4296 /*
4297 * Extend the ioctl argument while
4298 * maintaining backwards compatibility:
4299 * We take different code paths depending on the value of
4300 * arg.version.
4301 */
4302
4303 if (unlikely(arg.version > DRM_VMW_EXECBUF_VERSION ||
4304 arg.version == 0)) {
4305 DRM_ERROR("Incorrect execbuf version.\n");
4306 return -EINVAL;
4307 }
4308
4309 if (arg.version > 1 &&
4310 copy_from_user(&arg.context_handle,
4311 (void __user *) (data + copy_offset[0]),
4312 copy_offset[arg.version - 1] -
4313 copy_offset[0]) != 0)
4314 return -EFAULT;
4315
4316 switch (arg.version) {
4317 case 1:
4318 arg.context_handle = (uint32_t) -1;
4319 break;
4320 case 2:
4321 if (arg.pad64 != 0) {
4322 DRM_ERROR("Unused IOCTL data not set to zero.\n");
4323 return -EINVAL;
4324 }
4325 break;
4326 default:
4327 break;
4328 }
4329
4330 ret = ttm_read_lock(&dev_priv->reservation_sem, true);
4331 if (unlikely(ret != 0))
4332 return ret;
4333
4334 ret = vmw_execbuf_process(file_priv, dev_priv,
4335 (void __user *)(unsigned long)arg.commands,
4336 NULL, arg.command_size, arg.throttle_us,
4337 arg.context_handle,
4338 (void __user *)(unsigned long)arg.fence_rep,
4339 NULL);
4340 ttm_read_unlock(&dev_priv->reservation_sem);
4341 if (unlikely(ret != 0))
4342 return ret;
4343
4344 vmw_kms_cursor_post_execbuf(dev_priv);
4345
4346 return 0;
4347}
1// SPDX-License-Identifier: GPL-2.0 OR MIT
2/**************************************************************************
3 *
4 * Copyright 2009 - 2022 VMware, Inc., Palo Alto, CA., USA
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#include <linux/sync_file.h>
28#include <linux/hashtable.h>
29
30#include "vmwgfx_drv.h"
31#include "vmwgfx_reg.h"
32#include <drm/ttm/ttm_bo_api.h>
33#include <drm/ttm/ttm_placement.h>
34#include "vmwgfx_so.h"
35#include "vmwgfx_binding.h"
36#include "vmwgfx_mksstat.h"
37
38
39/*
40 * Helper macro to get dx_ctx_node if available otherwise print an error
41 * message. This is for use in command verifier function where if dx_ctx_node
42 * is not set then command is invalid.
43 */
44#define VMW_GET_CTX_NODE(__sw_context) \
45({ \
46 __sw_context->dx_ctx_node ? __sw_context->dx_ctx_node : ({ \
47 VMW_DEBUG_USER("SM context is not set at %s\n", __func__); \
48 __sw_context->dx_ctx_node; \
49 }); \
50})
51
52#define VMW_DECLARE_CMD_VAR(__var, __type) \
53 struct { \
54 SVGA3dCmdHeader header; \
55 __type body; \
56 } __var
57
58/**
59 * struct vmw_relocation - Buffer object relocation
60 *
61 * @head: List head for the command submission context's relocation list
62 * @vbo: Non ref-counted pointer to buffer object
63 * @mob_loc: Pointer to location for mob id to be modified
64 * @location: Pointer to location for guest pointer to be modified
65 */
66struct vmw_relocation {
67 struct list_head head;
68 struct vmw_buffer_object *vbo;
69 union {
70 SVGAMobId *mob_loc;
71 SVGAGuestPtr *location;
72 };
73};
74
75/**
76 * enum vmw_resource_relocation_type - Relocation type for resources
77 *
78 * @vmw_res_rel_normal: Traditional relocation. The resource id in the
79 * command stream is replaced with the actual id after validation.
80 * @vmw_res_rel_nop: NOP relocation. The command is unconditionally replaced
81 * with a NOP.
82 * @vmw_res_rel_cond_nop: Conditional NOP relocation. If the resource id after
83 * validation is -1, the command is replaced with a NOP. Otherwise no action.
84 * @vmw_res_rel_max: Last value in the enum - used for error checking
85*/
86enum vmw_resource_relocation_type {
87 vmw_res_rel_normal,
88 vmw_res_rel_nop,
89 vmw_res_rel_cond_nop,
90 vmw_res_rel_max
91};
92
93/**
94 * struct vmw_resource_relocation - Relocation info for resources
95 *
96 * @head: List head for the software context's relocation list.
97 * @res: Non-ref-counted pointer to the resource.
98 * @offset: Offset of single byte entries into the command buffer where the id
99 * that needs fixup is located.
100 * @rel_type: Type of relocation.
101 */
102struct vmw_resource_relocation {
103 struct list_head head;
104 const struct vmw_resource *res;
105 u32 offset:29;
106 enum vmw_resource_relocation_type rel_type:3;
107};
108
109/**
110 * struct vmw_ctx_validation_info - Extra validation metadata for contexts
111 *
112 * @head: List head of context list
113 * @ctx: The context resource
114 * @cur: The context's persistent binding state
115 * @staged: The binding state changes of this command buffer
116 */
117struct vmw_ctx_validation_info {
118 struct list_head head;
119 struct vmw_resource *ctx;
120 struct vmw_ctx_binding_state *cur;
121 struct vmw_ctx_binding_state *staged;
122};
123
124/**
125 * struct vmw_cmd_entry - Describe a command for the verifier
126 *
127 * @func: Call-back to handle the command.
128 * @user_allow: Whether allowed from the execbuf ioctl.
129 * @gb_disable: Whether disabled if guest-backed objects are available.
130 * @gb_enable: Whether enabled iff guest-backed objects are available.
131 * @cmd_name: Name of the command.
132 */
133struct vmw_cmd_entry {
134 int (*func) (struct vmw_private *, struct vmw_sw_context *,
135 SVGA3dCmdHeader *);
136 bool user_allow;
137 bool gb_disable;
138 bool gb_enable;
139 const char *cmd_name;
140};
141
142#define VMW_CMD_DEF(_cmd, _func, _user_allow, _gb_disable, _gb_enable) \
143 [(_cmd) - SVGA_3D_CMD_BASE] = {(_func), (_user_allow),\
144 (_gb_disable), (_gb_enable), #_cmd}
145
146static int vmw_resource_context_res_add(struct vmw_private *dev_priv,
147 struct vmw_sw_context *sw_context,
148 struct vmw_resource *ctx);
149static int vmw_translate_mob_ptr(struct vmw_private *dev_priv,
150 struct vmw_sw_context *sw_context,
151 SVGAMobId *id,
152 struct vmw_buffer_object **vmw_bo_p);
153/**
154 * vmw_ptr_diff - Compute the offset from a to b in bytes
155 *
156 * @a: A starting pointer.
157 * @b: A pointer offset in the same address space.
158 *
159 * Returns: The offset in bytes between the two pointers.
160 */
161static size_t vmw_ptr_diff(void *a, void *b)
162{
163 return (unsigned long) b - (unsigned long) a;
164}
165
166/**
167 * vmw_execbuf_bindings_commit - Commit modified binding state
168 *
169 * @sw_context: The command submission context
170 * @backoff: Whether this is part of the error path and binding state changes
171 * should be ignored
172 */
173static void vmw_execbuf_bindings_commit(struct vmw_sw_context *sw_context,
174 bool backoff)
175{
176 struct vmw_ctx_validation_info *entry;
177
178 list_for_each_entry(entry, &sw_context->ctx_list, head) {
179 if (!backoff)
180 vmw_binding_state_commit(entry->cur, entry->staged);
181
182 if (entry->staged != sw_context->staged_bindings)
183 vmw_binding_state_free(entry->staged);
184 else
185 sw_context->staged_bindings_inuse = false;
186 }
187
188 /* List entries are freed with the validation context */
189 INIT_LIST_HEAD(&sw_context->ctx_list);
190}
191
192/**
193 * vmw_bind_dx_query_mob - Bind the DX query MOB if referenced
194 *
195 * @sw_context: The command submission context
196 */
197static void vmw_bind_dx_query_mob(struct vmw_sw_context *sw_context)
198{
199 if (sw_context->dx_query_mob)
200 vmw_context_bind_dx_query(sw_context->dx_query_ctx,
201 sw_context->dx_query_mob);
202}
203
204/**
205 * vmw_cmd_ctx_first_setup - Perform the setup needed when a context is added to
206 * the validate list.
207 *
208 * @dev_priv: Pointer to the device private:
209 * @sw_context: The command submission context
210 * @res: Pointer to the resource
211 * @node: The validation node holding the context resource metadata
212 */
213static int vmw_cmd_ctx_first_setup(struct vmw_private *dev_priv,
214 struct vmw_sw_context *sw_context,
215 struct vmw_resource *res,
216 struct vmw_ctx_validation_info *node)
217{
218 int ret;
219
220 ret = vmw_resource_context_res_add(dev_priv, sw_context, res);
221 if (unlikely(ret != 0))
222 goto out_err;
223
224 if (!sw_context->staged_bindings) {
225 sw_context->staged_bindings = vmw_binding_state_alloc(dev_priv);
226 if (IS_ERR(sw_context->staged_bindings)) {
227 ret = PTR_ERR(sw_context->staged_bindings);
228 sw_context->staged_bindings = NULL;
229 goto out_err;
230 }
231 }
232
233 if (sw_context->staged_bindings_inuse) {
234 node->staged = vmw_binding_state_alloc(dev_priv);
235 if (IS_ERR(node->staged)) {
236 ret = PTR_ERR(node->staged);
237 node->staged = NULL;
238 goto out_err;
239 }
240 } else {
241 node->staged = sw_context->staged_bindings;
242 sw_context->staged_bindings_inuse = true;
243 }
244
245 node->ctx = res;
246 node->cur = vmw_context_binding_state(res);
247 list_add_tail(&node->head, &sw_context->ctx_list);
248
249 return 0;
250
251out_err:
252 return ret;
253}
254
255/**
256 * vmw_execbuf_res_size - calculate extra size fore the resource validation node
257 *
258 * @dev_priv: Pointer to the device private struct.
259 * @res_type: The resource type.
260 *
261 * Guest-backed contexts and DX contexts require extra size to store execbuf
262 * private information in the validation node. Typically the binding manager
263 * associated data structures.
264 *
265 * Returns: The extra size requirement based on resource type.
266 */
267static unsigned int vmw_execbuf_res_size(struct vmw_private *dev_priv,
268 enum vmw_res_type res_type)
269{
270 return (res_type == vmw_res_dx_context ||
271 (res_type == vmw_res_context && dev_priv->has_mob)) ?
272 sizeof(struct vmw_ctx_validation_info) : 0;
273}
274
275/**
276 * vmw_execbuf_rcache_update - Update a resource-node cache entry
277 *
278 * @rcache: Pointer to the entry to update.
279 * @res: Pointer to the resource.
280 * @private: Pointer to the execbuf-private space in the resource validation
281 * node.
282 */
283static void vmw_execbuf_rcache_update(struct vmw_res_cache_entry *rcache,
284 struct vmw_resource *res,
285 void *private)
286{
287 rcache->res = res;
288 rcache->private = private;
289 rcache->valid = 1;
290 rcache->valid_handle = 0;
291}
292
293enum vmw_val_add_flags {
294 vmw_val_add_flag_none = 0,
295 vmw_val_add_flag_noctx = 1 << 0,
296};
297
298/**
299 * vmw_execbuf_res_val_add - Add a resource to the validation list.
300 *
301 * @sw_context: Pointer to the software context.
302 * @res: Unreferenced rcu-protected pointer to the resource.
303 * @dirty: Whether to change dirty status.
304 * @flags: specifies whether to use the context or not
305 *
306 * Returns: 0 on success. Negative error code on failure. Typical error codes
307 * are %-EINVAL on inconsistency and %-ESRCH if the resource was doomed.
308 */
309static int vmw_execbuf_res_val_add(struct vmw_sw_context *sw_context,
310 struct vmw_resource *res,
311 u32 dirty,
312 u32 flags)
313{
314 struct vmw_private *dev_priv = res->dev_priv;
315 int ret;
316 enum vmw_res_type res_type = vmw_res_type(res);
317 struct vmw_res_cache_entry *rcache;
318 struct vmw_ctx_validation_info *ctx_info;
319 bool first_usage;
320 unsigned int priv_size;
321
322 rcache = &sw_context->res_cache[res_type];
323 if (likely(rcache->valid && rcache->res == res)) {
324 if (dirty)
325 vmw_validation_res_set_dirty(sw_context->ctx,
326 rcache->private, dirty);
327 return 0;
328 }
329
330 if ((flags & vmw_val_add_flag_noctx) != 0) {
331 ret = vmw_validation_add_resource(sw_context->ctx, res, 0, dirty,
332 (void **)&ctx_info, NULL);
333 if (ret)
334 return ret;
335
336 } else {
337 priv_size = vmw_execbuf_res_size(dev_priv, res_type);
338 ret = vmw_validation_add_resource(sw_context->ctx, res, priv_size,
339 dirty, (void **)&ctx_info,
340 &first_usage);
341 if (ret)
342 return ret;
343
344 if (priv_size && first_usage) {
345 ret = vmw_cmd_ctx_first_setup(dev_priv, sw_context, res,
346 ctx_info);
347 if (ret) {
348 VMW_DEBUG_USER("Failed first usage context setup.\n");
349 return ret;
350 }
351 }
352 }
353
354 vmw_execbuf_rcache_update(rcache, res, ctx_info);
355 return 0;
356}
357
358/**
359 * vmw_view_res_val_add - Add a view and the surface it's pointing to to the
360 * validation list
361 *
362 * @sw_context: The software context holding the validation list.
363 * @view: Pointer to the view resource.
364 *
365 * Returns 0 if success, negative error code otherwise.
366 */
367static int vmw_view_res_val_add(struct vmw_sw_context *sw_context,
368 struct vmw_resource *view)
369{
370 int ret;
371
372 /*
373 * First add the resource the view is pointing to, otherwise it may be
374 * swapped out when the view is validated.
375 */
376 ret = vmw_execbuf_res_val_add(sw_context, vmw_view_srf(view),
377 vmw_view_dirtying(view), vmw_val_add_flag_noctx);
378 if (ret)
379 return ret;
380
381 return vmw_execbuf_res_val_add(sw_context, view, VMW_RES_DIRTY_NONE,
382 vmw_val_add_flag_noctx);
383}
384
385/**
386 * vmw_view_id_val_add - Look up a view and add it and the surface it's pointing
387 * to to the validation list.
388 *
389 * @sw_context: The software context holding the validation list.
390 * @view_type: The view type to look up.
391 * @id: view id of the view.
392 *
393 * The view is represented by a view id and the DX context it's created on, or
394 * scheduled for creation on. If there is no DX context set, the function will
395 * return an -EINVAL error pointer.
396 *
397 * Returns: Unreferenced pointer to the resource on success, negative error
398 * pointer on failure.
399 */
400static struct vmw_resource *
401vmw_view_id_val_add(struct vmw_sw_context *sw_context,
402 enum vmw_view_type view_type, u32 id)
403{
404 struct vmw_ctx_validation_info *ctx_node = sw_context->dx_ctx_node;
405 struct vmw_resource *view;
406 int ret;
407
408 if (!ctx_node)
409 return ERR_PTR(-EINVAL);
410
411 view = vmw_view_lookup(sw_context->man, view_type, id);
412 if (IS_ERR(view))
413 return view;
414
415 ret = vmw_view_res_val_add(sw_context, view);
416 if (ret)
417 return ERR_PTR(ret);
418
419 return view;
420}
421
422/**
423 * vmw_resource_context_res_add - Put resources previously bound to a context on
424 * the validation list
425 *
426 * @dev_priv: Pointer to a device private structure
427 * @sw_context: Pointer to a software context used for this command submission
428 * @ctx: Pointer to the context resource
429 *
430 * This function puts all resources that were previously bound to @ctx on the
431 * resource validation list. This is part of the context state reemission
432 */
433static int vmw_resource_context_res_add(struct vmw_private *dev_priv,
434 struct vmw_sw_context *sw_context,
435 struct vmw_resource *ctx)
436{
437 struct list_head *binding_list;
438 struct vmw_ctx_bindinfo *entry;
439 int ret = 0;
440 struct vmw_resource *res;
441 u32 i;
442 u32 cotable_max = has_sm5_context(ctx->dev_priv) ?
443 SVGA_COTABLE_MAX : SVGA_COTABLE_DX10_MAX;
444
445 /* Add all cotables to the validation list. */
446 if (has_sm4_context(dev_priv) &&
447 vmw_res_type(ctx) == vmw_res_dx_context) {
448 for (i = 0; i < cotable_max; ++i) {
449 res = vmw_context_cotable(ctx, i);
450 if (IS_ERR(res))
451 continue;
452
453 ret = vmw_execbuf_res_val_add(sw_context, res,
454 VMW_RES_DIRTY_SET,
455 vmw_val_add_flag_noctx);
456 if (unlikely(ret != 0))
457 return ret;
458 }
459 }
460
461 /* Add all resources bound to the context to the validation list */
462 mutex_lock(&dev_priv->binding_mutex);
463 binding_list = vmw_context_binding_list(ctx);
464
465 list_for_each_entry(entry, binding_list, ctx_list) {
466 if (vmw_res_type(entry->res) == vmw_res_view)
467 ret = vmw_view_res_val_add(sw_context, entry->res);
468 else
469 ret = vmw_execbuf_res_val_add(sw_context, entry->res,
470 vmw_binding_dirtying(entry->bt),
471 vmw_val_add_flag_noctx);
472 if (unlikely(ret != 0))
473 break;
474 }
475
476 if (has_sm4_context(dev_priv) &&
477 vmw_res_type(ctx) == vmw_res_dx_context) {
478 struct vmw_buffer_object *dx_query_mob;
479
480 dx_query_mob = vmw_context_get_dx_query_mob(ctx);
481 if (dx_query_mob)
482 ret = vmw_validation_add_bo(sw_context->ctx,
483 dx_query_mob, true, false);
484 }
485
486 mutex_unlock(&dev_priv->binding_mutex);
487 return ret;
488}
489
490/**
491 * vmw_resource_relocation_add - Add a relocation to the relocation list
492 *
493 * @sw_context: Pointer to the software context.
494 * @res: The resource.
495 * @offset: Offset into the command buffer currently being parsed where the id
496 * that needs fixup is located. Granularity is one byte.
497 * @rel_type: Relocation type.
498 */
499static int vmw_resource_relocation_add(struct vmw_sw_context *sw_context,
500 const struct vmw_resource *res,
501 unsigned long offset,
502 enum vmw_resource_relocation_type
503 rel_type)
504{
505 struct vmw_resource_relocation *rel;
506
507 rel = vmw_validation_mem_alloc(sw_context->ctx, sizeof(*rel));
508 if (unlikely(!rel)) {
509 VMW_DEBUG_USER("Failed to allocate a resource relocation.\n");
510 return -ENOMEM;
511 }
512
513 rel->res = res;
514 rel->offset = offset;
515 rel->rel_type = rel_type;
516 list_add_tail(&rel->head, &sw_context->res_relocations);
517
518 return 0;
519}
520
521/**
522 * vmw_resource_relocations_free - Free all relocations on a list
523 *
524 * @list: Pointer to the head of the relocation list
525 */
526static void vmw_resource_relocations_free(struct list_head *list)
527{
528 /* Memory is validation context memory, so no need to free it */
529 INIT_LIST_HEAD(list);
530}
531
532/**
533 * vmw_resource_relocations_apply - Apply all relocations on a list
534 *
535 * @cb: Pointer to the start of the command buffer bein patch. This need not be
536 * the same buffer as the one being parsed when the relocation list was built,
537 * but the contents must be the same modulo the resource ids.
538 * @list: Pointer to the head of the relocation list.
539 */
540static void vmw_resource_relocations_apply(uint32_t *cb,
541 struct list_head *list)
542{
543 struct vmw_resource_relocation *rel;
544
545 /* Validate the struct vmw_resource_relocation member size */
546 BUILD_BUG_ON(SVGA_CB_MAX_SIZE >= (1 << 29));
547 BUILD_BUG_ON(vmw_res_rel_max >= (1 << 3));
548
549 list_for_each_entry(rel, list, head) {
550 u32 *addr = (u32 *)((unsigned long) cb + rel->offset);
551 switch (rel->rel_type) {
552 case vmw_res_rel_normal:
553 *addr = rel->res->id;
554 break;
555 case vmw_res_rel_nop:
556 *addr = SVGA_3D_CMD_NOP;
557 break;
558 default:
559 if (rel->res->id == -1)
560 *addr = SVGA_3D_CMD_NOP;
561 break;
562 }
563 }
564}
565
566static int vmw_cmd_invalid(struct vmw_private *dev_priv,
567 struct vmw_sw_context *sw_context,
568 SVGA3dCmdHeader *header)
569{
570 return -EINVAL;
571}
572
573static int vmw_cmd_ok(struct vmw_private *dev_priv,
574 struct vmw_sw_context *sw_context,
575 SVGA3dCmdHeader *header)
576{
577 return 0;
578}
579
580/**
581 * vmw_resources_reserve - Reserve all resources on the sw_context's resource
582 * list.
583 *
584 * @sw_context: Pointer to the software context.
585 *
586 * Note that since vmware's command submission currently is protected by the
587 * cmdbuf mutex, no fancy deadlock avoidance is required for resources, since
588 * only a single thread at once will attempt this.
589 */
590static int vmw_resources_reserve(struct vmw_sw_context *sw_context)
591{
592 int ret;
593
594 ret = vmw_validation_res_reserve(sw_context->ctx, true);
595 if (ret)
596 return ret;
597
598 if (sw_context->dx_query_mob) {
599 struct vmw_buffer_object *expected_dx_query_mob;
600
601 expected_dx_query_mob =
602 vmw_context_get_dx_query_mob(sw_context->dx_query_ctx);
603 if (expected_dx_query_mob &&
604 expected_dx_query_mob != sw_context->dx_query_mob) {
605 ret = -EINVAL;
606 }
607 }
608
609 return ret;
610}
611
612/**
613 * vmw_cmd_res_check - Check that a resource is present and if so, put it on the
614 * resource validate list unless it's already there.
615 *
616 * @dev_priv: Pointer to a device private structure.
617 * @sw_context: Pointer to the software context.
618 * @res_type: Resource type.
619 * @dirty: Whether to change dirty status.
620 * @converter: User-space visisble type specific information.
621 * @id_loc: Pointer to the location in the command buffer currently being parsed
622 * from where the user-space resource id handle is located.
623 * @p_res: Pointer to pointer to resource validalidation node. Populated on
624 * exit.
625 */
626static int
627vmw_cmd_res_check(struct vmw_private *dev_priv,
628 struct vmw_sw_context *sw_context,
629 enum vmw_res_type res_type,
630 u32 dirty,
631 const struct vmw_user_resource_conv *converter,
632 uint32_t *id_loc,
633 struct vmw_resource **p_res)
634{
635 struct vmw_res_cache_entry *rcache = &sw_context->res_cache[res_type];
636 struct vmw_resource *res;
637 int ret = 0;
638 bool needs_unref = false;
639
640 if (p_res)
641 *p_res = NULL;
642
643 if (*id_loc == SVGA3D_INVALID_ID) {
644 if (res_type == vmw_res_context) {
645 VMW_DEBUG_USER("Illegal context invalid id.\n");
646 return -EINVAL;
647 }
648 return 0;
649 }
650
651 if (likely(rcache->valid_handle && *id_loc == rcache->handle)) {
652 res = rcache->res;
653 if (dirty)
654 vmw_validation_res_set_dirty(sw_context->ctx,
655 rcache->private, dirty);
656 } else {
657 unsigned int size = vmw_execbuf_res_size(dev_priv, res_type);
658
659 ret = vmw_validation_preload_res(sw_context->ctx, size);
660 if (ret)
661 return ret;
662
663 ret = vmw_user_resource_lookup_handle
664 (dev_priv, sw_context->fp->tfile, *id_loc, converter, &res);
665 if (ret != 0) {
666 VMW_DEBUG_USER("Could not find/use resource 0x%08x.\n",
667 (unsigned int) *id_loc);
668 return ret;
669 }
670 needs_unref = true;
671
672 ret = vmw_execbuf_res_val_add(sw_context, res, dirty, vmw_val_add_flag_none);
673 if (unlikely(ret != 0))
674 goto res_check_done;
675
676 if (rcache->valid && rcache->res == res) {
677 rcache->valid_handle = true;
678 rcache->handle = *id_loc;
679 }
680 }
681
682 ret = vmw_resource_relocation_add(sw_context, res,
683 vmw_ptr_diff(sw_context->buf_start,
684 id_loc),
685 vmw_res_rel_normal);
686 if (p_res)
687 *p_res = res;
688
689res_check_done:
690 if (needs_unref)
691 vmw_resource_unreference(&res);
692
693 return ret;
694}
695
696/**
697 * vmw_rebind_all_dx_query - Rebind DX query associated with the context
698 *
699 * @ctx_res: context the query belongs to
700 *
701 * This function assumes binding_mutex is held.
702 */
703static int vmw_rebind_all_dx_query(struct vmw_resource *ctx_res)
704{
705 struct vmw_private *dev_priv = ctx_res->dev_priv;
706 struct vmw_buffer_object *dx_query_mob;
707 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXBindAllQuery);
708
709 dx_query_mob = vmw_context_get_dx_query_mob(ctx_res);
710
711 if (!dx_query_mob || dx_query_mob->dx_query_ctx)
712 return 0;
713
714 cmd = VMW_CMD_CTX_RESERVE(dev_priv, sizeof(*cmd), ctx_res->id);
715 if (cmd == NULL)
716 return -ENOMEM;
717
718 cmd->header.id = SVGA_3D_CMD_DX_BIND_ALL_QUERY;
719 cmd->header.size = sizeof(cmd->body);
720 cmd->body.cid = ctx_res->id;
721 cmd->body.mobid = dx_query_mob->base.resource->start;
722 vmw_cmd_commit(dev_priv, sizeof(*cmd));
723
724 vmw_context_bind_dx_query(ctx_res, dx_query_mob);
725
726 return 0;
727}
728
729/**
730 * vmw_rebind_contexts - Rebind all resources previously bound to referenced
731 * contexts.
732 *
733 * @sw_context: Pointer to the software context.
734 *
735 * Rebind context binding points that have been scrubbed because of eviction.
736 */
737static int vmw_rebind_contexts(struct vmw_sw_context *sw_context)
738{
739 struct vmw_ctx_validation_info *val;
740 int ret;
741
742 list_for_each_entry(val, &sw_context->ctx_list, head) {
743 ret = vmw_binding_rebind_all(val->cur);
744 if (unlikely(ret != 0)) {
745 if (ret != -ERESTARTSYS)
746 VMW_DEBUG_USER("Failed to rebind context.\n");
747 return ret;
748 }
749
750 ret = vmw_rebind_all_dx_query(val->ctx);
751 if (ret != 0) {
752 VMW_DEBUG_USER("Failed to rebind queries.\n");
753 return ret;
754 }
755 }
756
757 return 0;
758}
759
760/**
761 * vmw_view_bindings_add - Add an array of view bindings to a context binding
762 * state tracker.
763 *
764 * @sw_context: The execbuf state used for this command.
765 * @view_type: View type for the bindings.
766 * @binding_type: Binding type for the bindings.
767 * @shader_slot: The shader slot to user for the bindings.
768 * @view_ids: Array of view ids to be bound.
769 * @num_views: Number of view ids in @view_ids.
770 * @first_slot: The binding slot to be used for the first view id in @view_ids.
771 */
772static int vmw_view_bindings_add(struct vmw_sw_context *sw_context,
773 enum vmw_view_type view_type,
774 enum vmw_ctx_binding_type binding_type,
775 uint32 shader_slot,
776 uint32 view_ids[], u32 num_views,
777 u32 first_slot)
778{
779 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
780 u32 i;
781
782 if (!ctx_node)
783 return -EINVAL;
784
785 for (i = 0; i < num_views; ++i) {
786 struct vmw_ctx_bindinfo_view binding;
787 struct vmw_resource *view = NULL;
788
789 if (view_ids[i] != SVGA3D_INVALID_ID) {
790 view = vmw_view_id_val_add(sw_context, view_type,
791 view_ids[i]);
792 if (IS_ERR(view)) {
793 VMW_DEBUG_USER("View not found.\n");
794 return PTR_ERR(view);
795 }
796 }
797 binding.bi.ctx = ctx_node->ctx;
798 binding.bi.res = view;
799 binding.bi.bt = binding_type;
800 binding.shader_slot = shader_slot;
801 binding.slot = first_slot + i;
802 vmw_binding_add(ctx_node->staged, &binding.bi,
803 shader_slot, binding.slot);
804 }
805
806 return 0;
807}
808
809/**
810 * vmw_cmd_cid_check - Check a command header for valid context information.
811 *
812 * @dev_priv: Pointer to a device private structure.
813 * @sw_context: Pointer to the software context.
814 * @header: A command header with an embedded user-space context handle.
815 *
816 * Convenience function: Call vmw_cmd_res_check with the user-space context
817 * handle embedded in @header.
818 */
819static int vmw_cmd_cid_check(struct vmw_private *dev_priv,
820 struct vmw_sw_context *sw_context,
821 SVGA3dCmdHeader *header)
822{
823 VMW_DECLARE_CMD_VAR(*cmd, uint32_t) =
824 container_of(header, typeof(*cmd), header);
825
826 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
827 VMW_RES_DIRTY_SET, user_context_converter,
828 &cmd->body, NULL);
829}
830
831/**
832 * vmw_execbuf_info_from_res - Get the private validation metadata for a
833 * recently validated resource
834 *
835 * @sw_context: Pointer to the command submission context
836 * @res: The resource
837 *
838 * The resource pointed to by @res needs to be present in the command submission
839 * context's resource cache and hence the last resource of that type to be
840 * processed by the validation code.
841 *
842 * Return: a pointer to the private metadata of the resource, or NULL if it
843 * wasn't found
844 */
845static struct vmw_ctx_validation_info *
846vmw_execbuf_info_from_res(struct vmw_sw_context *sw_context,
847 struct vmw_resource *res)
848{
849 struct vmw_res_cache_entry *rcache =
850 &sw_context->res_cache[vmw_res_type(res)];
851
852 if (rcache->valid && rcache->res == res)
853 return rcache->private;
854
855 WARN_ON_ONCE(true);
856 return NULL;
857}
858
859static int vmw_cmd_set_render_target_check(struct vmw_private *dev_priv,
860 struct vmw_sw_context *sw_context,
861 SVGA3dCmdHeader *header)
862{
863 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdSetRenderTarget);
864 struct vmw_resource *ctx;
865 struct vmw_resource *res;
866 int ret;
867
868 cmd = container_of(header, typeof(*cmd), header);
869
870 if (cmd->body.type >= SVGA3D_RT_MAX) {
871 VMW_DEBUG_USER("Illegal render target type %u.\n",
872 (unsigned int) cmd->body.type);
873 return -EINVAL;
874 }
875
876 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
877 VMW_RES_DIRTY_SET, user_context_converter,
878 &cmd->body.cid, &ctx);
879 if (unlikely(ret != 0))
880 return ret;
881
882 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
883 VMW_RES_DIRTY_SET, user_surface_converter,
884 &cmd->body.target.sid, &res);
885 if (unlikely(ret))
886 return ret;
887
888 if (dev_priv->has_mob) {
889 struct vmw_ctx_bindinfo_view binding;
890 struct vmw_ctx_validation_info *node;
891
892 node = vmw_execbuf_info_from_res(sw_context, ctx);
893 if (!node)
894 return -EINVAL;
895
896 binding.bi.ctx = ctx;
897 binding.bi.res = res;
898 binding.bi.bt = vmw_ctx_binding_rt;
899 binding.slot = cmd->body.type;
900 vmw_binding_add(node->staged, &binding.bi, 0, binding.slot);
901 }
902
903 return 0;
904}
905
906static int vmw_cmd_surface_copy_check(struct vmw_private *dev_priv,
907 struct vmw_sw_context *sw_context,
908 SVGA3dCmdHeader *header)
909{
910 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdSurfaceCopy);
911 int ret;
912
913 cmd = container_of(header, typeof(*cmd), header);
914
915 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
916 VMW_RES_DIRTY_NONE, user_surface_converter,
917 &cmd->body.src.sid, NULL);
918 if (ret)
919 return ret;
920
921 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
922 VMW_RES_DIRTY_SET, user_surface_converter,
923 &cmd->body.dest.sid, NULL);
924}
925
926static int vmw_cmd_buffer_copy_check(struct vmw_private *dev_priv,
927 struct vmw_sw_context *sw_context,
928 SVGA3dCmdHeader *header)
929{
930 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXBufferCopy);
931 int ret;
932
933 cmd = container_of(header, typeof(*cmd), header);
934 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
935 VMW_RES_DIRTY_NONE, user_surface_converter,
936 &cmd->body.src, NULL);
937 if (ret != 0)
938 return ret;
939
940 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
941 VMW_RES_DIRTY_SET, user_surface_converter,
942 &cmd->body.dest, NULL);
943}
944
945static int vmw_cmd_pred_copy_check(struct vmw_private *dev_priv,
946 struct vmw_sw_context *sw_context,
947 SVGA3dCmdHeader *header)
948{
949 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXPredCopyRegion);
950 int ret;
951
952 cmd = container_of(header, typeof(*cmd), header);
953 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
954 VMW_RES_DIRTY_NONE, user_surface_converter,
955 &cmd->body.srcSid, NULL);
956 if (ret != 0)
957 return ret;
958
959 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
960 VMW_RES_DIRTY_SET, user_surface_converter,
961 &cmd->body.dstSid, NULL);
962}
963
964static int vmw_cmd_stretch_blt_check(struct vmw_private *dev_priv,
965 struct vmw_sw_context *sw_context,
966 SVGA3dCmdHeader *header)
967{
968 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdSurfaceStretchBlt);
969 int ret;
970
971 cmd = container_of(header, typeof(*cmd), header);
972 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
973 VMW_RES_DIRTY_NONE, user_surface_converter,
974 &cmd->body.src.sid, NULL);
975 if (unlikely(ret != 0))
976 return ret;
977
978 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
979 VMW_RES_DIRTY_SET, user_surface_converter,
980 &cmd->body.dest.sid, NULL);
981}
982
983static int vmw_cmd_blt_surf_screen_check(struct vmw_private *dev_priv,
984 struct vmw_sw_context *sw_context,
985 SVGA3dCmdHeader *header)
986{
987 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdBlitSurfaceToScreen) =
988 container_of(header, typeof(*cmd), header);
989
990 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
991 VMW_RES_DIRTY_NONE, user_surface_converter,
992 &cmd->body.srcImage.sid, NULL);
993}
994
995static int vmw_cmd_present_check(struct vmw_private *dev_priv,
996 struct vmw_sw_context *sw_context,
997 SVGA3dCmdHeader *header)
998{
999 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdPresent) =
1000 container_of(header, typeof(*cmd), header);
1001
1002 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1003 VMW_RES_DIRTY_NONE, user_surface_converter,
1004 &cmd->body.sid, NULL);
1005}
1006
1007/**
1008 * vmw_query_bo_switch_prepare - Prepare to switch pinned buffer for queries.
1009 *
1010 * @dev_priv: The device private structure.
1011 * @new_query_bo: The new buffer holding query results.
1012 * @sw_context: The software context used for this command submission.
1013 *
1014 * This function checks whether @new_query_bo is suitable for holding query
1015 * results, and if another buffer currently is pinned for query results. If so,
1016 * the function prepares the state of @sw_context for switching pinned buffers
1017 * after successful submission of the current command batch.
1018 */
1019static int vmw_query_bo_switch_prepare(struct vmw_private *dev_priv,
1020 struct vmw_buffer_object *new_query_bo,
1021 struct vmw_sw_context *sw_context)
1022{
1023 struct vmw_res_cache_entry *ctx_entry =
1024 &sw_context->res_cache[vmw_res_context];
1025 int ret;
1026
1027 BUG_ON(!ctx_entry->valid);
1028 sw_context->last_query_ctx = ctx_entry->res;
1029
1030 if (unlikely(new_query_bo != sw_context->cur_query_bo)) {
1031
1032 if (unlikely(PFN_UP(new_query_bo->base.resource->size) > 4)) {
1033 VMW_DEBUG_USER("Query buffer too large.\n");
1034 return -EINVAL;
1035 }
1036
1037 if (unlikely(sw_context->cur_query_bo != NULL)) {
1038 sw_context->needs_post_query_barrier = true;
1039 ret = vmw_validation_add_bo(sw_context->ctx,
1040 sw_context->cur_query_bo,
1041 dev_priv->has_mob, false);
1042 if (unlikely(ret != 0))
1043 return ret;
1044 }
1045 sw_context->cur_query_bo = new_query_bo;
1046
1047 ret = vmw_validation_add_bo(sw_context->ctx,
1048 dev_priv->dummy_query_bo,
1049 dev_priv->has_mob, false);
1050 if (unlikely(ret != 0))
1051 return ret;
1052 }
1053
1054 return 0;
1055}
1056
1057/**
1058 * vmw_query_bo_switch_commit - Finalize switching pinned query buffer
1059 *
1060 * @dev_priv: The device private structure.
1061 * @sw_context: The software context used for this command submission batch.
1062 *
1063 * This function will check if we're switching query buffers, and will then,
1064 * issue a dummy occlusion query wait used as a query barrier. When the fence
1065 * object following that query wait has signaled, we are sure that all preceding
1066 * queries have finished, and the old query buffer can be unpinned. However,
1067 * since both the new query buffer and the old one are fenced with that fence,
1068 * we can do an asynchronus unpin now, and be sure that the old query buffer
1069 * won't be moved until the fence has signaled.
1070 *
1071 * As mentioned above, both the new - and old query buffers need to be fenced
1072 * using a sequence emitted *after* calling this function.
1073 */
1074static void vmw_query_bo_switch_commit(struct vmw_private *dev_priv,
1075 struct vmw_sw_context *sw_context)
1076{
1077 /*
1078 * The validate list should still hold references to all
1079 * contexts here.
1080 */
1081 if (sw_context->needs_post_query_barrier) {
1082 struct vmw_res_cache_entry *ctx_entry =
1083 &sw_context->res_cache[vmw_res_context];
1084 struct vmw_resource *ctx;
1085 int ret;
1086
1087 BUG_ON(!ctx_entry->valid);
1088 ctx = ctx_entry->res;
1089
1090 ret = vmw_cmd_emit_dummy_query(dev_priv, ctx->id);
1091
1092 if (unlikely(ret != 0))
1093 VMW_DEBUG_USER("Out of fifo space for dummy query.\n");
1094 }
1095
1096 if (dev_priv->pinned_bo != sw_context->cur_query_bo) {
1097 if (dev_priv->pinned_bo) {
1098 vmw_bo_pin_reserved(dev_priv->pinned_bo, false);
1099 vmw_bo_unreference(&dev_priv->pinned_bo);
1100 }
1101
1102 if (!sw_context->needs_post_query_barrier) {
1103 vmw_bo_pin_reserved(sw_context->cur_query_bo, true);
1104
1105 /*
1106 * We pin also the dummy_query_bo buffer so that we
1107 * don't need to validate it when emitting dummy queries
1108 * in context destroy paths.
1109 */
1110 if (!dev_priv->dummy_query_bo_pinned) {
1111 vmw_bo_pin_reserved(dev_priv->dummy_query_bo,
1112 true);
1113 dev_priv->dummy_query_bo_pinned = true;
1114 }
1115
1116 BUG_ON(sw_context->last_query_ctx == NULL);
1117 dev_priv->query_cid = sw_context->last_query_ctx->id;
1118 dev_priv->query_cid_valid = true;
1119 dev_priv->pinned_bo =
1120 vmw_bo_reference(sw_context->cur_query_bo);
1121 }
1122 }
1123}
1124
1125/**
1126 * vmw_translate_mob_ptr - Prepare to translate a user-space buffer handle
1127 * to a MOB id.
1128 *
1129 * @dev_priv: Pointer to a device private structure.
1130 * @sw_context: The software context used for this command batch validation.
1131 * @id: Pointer to the user-space handle to be translated.
1132 * @vmw_bo_p: Points to a location that, on successful return will carry a
1133 * non-reference-counted pointer to the buffer object identified by the
1134 * user-space handle in @id.
1135 *
1136 * This function saves information needed to translate a user-space buffer
1137 * handle to a MOB id. The translation does not take place immediately, but
1138 * during a call to vmw_apply_relocations().
1139 *
1140 * This function builds a relocation list and a list of buffers to validate. The
1141 * former needs to be freed using either vmw_apply_relocations() or
1142 * vmw_free_relocations(). The latter needs to be freed using
1143 * vmw_clear_validations.
1144 */
1145static int vmw_translate_mob_ptr(struct vmw_private *dev_priv,
1146 struct vmw_sw_context *sw_context,
1147 SVGAMobId *id,
1148 struct vmw_buffer_object **vmw_bo_p)
1149{
1150 struct vmw_buffer_object *vmw_bo;
1151 uint32_t handle = *id;
1152 struct vmw_relocation *reloc;
1153 int ret;
1154
1155 vmw_validation_preload_bo(sw_context->ctx);
1156 ret = vmw_user_bo_lookup(sw_context->filp, handle, &vmw_bo);
1157 if (ret != 0) {
1158 drm_dbg(&dev_priv->drm, "Could not find or use MOB buffer.\n");
1159 return PTR_ERR(vmw_bo);
1160 }
1161 ret = vmw_validation_add_bo(sw_context->ctx, vmw_bo, true, false);
1162 ttm_bo_put(&vmw_bo->base);
1163 drm_gem_object_put(&vmw_bo->base.base);
1164 if (unlikely(ret != 0))
1165 return ret;
1166
1167 reloc = vmw_validation_mem_alloc(sw_context->ctx, sizeof(*reloc));
1168 if (!reloc)
1169 return -ENOMEM;
1170
1171 reloc->mob_loc = id;
1172 reloc->vbo = vmw_bo;
1173
1174 *vmw_bo_p = vmw_bo;
1175 list_add_tail(&reloc->head, &sw_context->bo_relocations);
1176
1177 return 0;
1178}
1179
1180/**
1181 * vmw_translate_guest_ptr - Prepare to translate a user-space buffer handle
1182 * to a valid SVGAGuestPtr
1183 *
1184 * @dev_priv: Pointer to a device private structure.
1185 * @sw_context: The software context used for this command batch validation.
1186 * @ptr: Pointer to the user-space handle to be translated.
1187 * @vmw_bo_p: Points to a location that, on successful return will carry a
1188 * non-reference-counted pointer to the DMA buffer identified by the user-space
1189 * handle in @id.
1190 *
1191 * This function saves information needed to translate a user-space buffer
1192 * handle to a valid SVGAGuestPtr. The translation does not take place
1193 * immediately, but during a call to vmw_apply_relocations().
1194 *
1195 * This function builds a relocation list and a list of buffers to validate.
1196 * The former needs to be freed using either vmw_apply_relocations() or
1197 * vmw_free_relocations(). The latter needs to be freed using
1198 * vmw_clear_validations.
1199 */
1200static int vmw_translate_guest_ptr(struct vmw_private *dev_priv,
1201 struct vmw_sw_context *sw_context,
1202 SVGAGuestPtr *ptr,
1203 struct vmw_buffer_object **vmw_bo_p)
1204{
1205 struct vmw_buffer_object *vmw_bo;
1206 uint32_t handle = ptr->gmrId;
1207 struct vmw_relocation *reloc;
1208 int ret;
1209
1210 vmw_validation_preload_bo(sw_context->ctx);
1211 ret = vmw_user_bo_lookup(sw_context->filp, handle, &vmw_bo);
1212 if (ret != 0) {
1213 drm_dbg(&dev_priv->drm, "Could not find or use GMR region.\n");
1214 return PTR_ERR(vmw_bo);
1215 }
1216 ret = vmw_validation_add_bo(sw_context->ctx, vmw_bo, false, false);
1217 ttm_bo_put(&vmw_bo->base);
1218 drm_gem_object_put(&vmw_bo->base.base);
1219 if (unlikely(ret != 0))
1220 return ret;
1221
1222 reloc = vmw_validation_mem_alloc(sw_context->ctx, sizeof(*reloc));
1223 if (!reloc)
1224 return -ENOMEM;
1225
1226 reloc->location = ptr;
1227 reloc->vbo = vmw_bo;
1228 *vmw_bo_p = vmw_bo;
1229 list_add_tail(&reloc->head, &sw_context->bo_relocations);
1230
1231 return 0;
1232}
1233
1234/**
1235 * vmw_cmd_dx_define_query - validate SVGA_3D_CMD_DX_DEFINE_QUERY command.
1236 *
1237 * @dev_priv: Pointer to a device private struct.
1238 * @sw_context: The software context used for this command submission.
1239 * @header: Pointer to the command header in the command stream.
1240 *
1241 * This function adds the new query into the query COTABLE
1242 */
1243static int vmw_cmd_dx_define_query(struct vmw_private *dev_priv,
1244 struct vmw_sw_context *sw_context,
1245 SVGA3dCmdHeader *header)
1246{
1247 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXDefineQuery);
1248 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
1249 struct vmw_resource *cotable_res;
1250 int ret;
1251
1252 if (!ctx_node)
1253 return -EINVAL;
1254
1255 cmd = container_of(header, typeof(*cmd), header);
1256
1257 if (cmd->body.type < SVGA3D_QUERYTYPE_MIN ||
1258 cmd->body.type >= SVGA3D_QUERYTYPE_MAX)
1259 return -EINVAL;
1260
1261 cotable_res = vmw_context_cotable(ctx_node->ctx, SVGA_COTABLE_DXQUERY);
1262 ret = vmw_cotable_notify(cotable_res, cmd->body.queryId);
1263
1264 return ret;
1265}
1266
1267/**
1268 * vmw_cmd_dx_bind_query - validate SVGA_3D_CMD_DX_BIND_QUERY command.
1269 *
1270 * @dev_priv: Pointer to a device private struct.
1271 * @sw_context: The software context used for this command submission.
1272 * @header: Pointer to the command header in the command stream.
1273 *
1274 * The query bind operation will eventually associate the query ID with its
1275 * backing MOB. In this function, we take the user mode MOB ID and use
1276 * vmw_translate_mob_ptr() to translate it to its kernel mode equivalent.
1277 */
1278static int vmw_cmd_dx_bind_query(struct vmw_private *dev_priv,
1279 struct vmw_sw_context *sw_context,
1280 SVGA3dCmdHeader *header)
1281{
1282 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXBindQuery);
1283 struct vmw_buffer_object *vmw_bo;
1284 int ret;
1285
1286 cmd = container_of(header, typeof(*cmd), header);
1287
1288 /*
1289 * Look up the buffer pointed to by q.mobid, put it on the relocation
1290 * list so its kernel mode MOB ID can be filled in later
1291 */
1292 ret = vmw_translate_mob_ptr(dev_priv, sw_context, &cmd->body.mobid,
1293 &vmw_bo);
1294
1295 if (ret != 0)
1296 return ret;
1297
1298 sw_context->dx_query_mob = vmw_bo;
1299 sw_context->dx_query_ctx = sw_context->dx_ctx_node->ctx;
1300 return 0;
1301}
1302
1303/**
1304 * vmw_cmd_begin_gb_query - validate SVGA_3D_CMD_BEGIN_GB_QUERY command.
1305 *
1306 * @dev_priv: Pointer to a device private struct.
1307 * @sw_context: The software context used for this command submission.
1308 * @header: Pointer to the command header in the command stream.
1309 */
1310static int vmw_cmd_begin_gb_query(struct vmw_private *dev_priv,
1311 struct vmw_sw_context *sw_context,
1312 SVGA3dCmdHeader *header)
1313{
1314 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdBeginGBQuery) =
1315 container_of(header, typeof(*cmd), header);
1316
1317 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
1318 VMW_RES_DIRTY_SET, user_context_converter,
1319 &cmd->body.cid, NULL);
1320}
1321
1322/**
1323 * vmw_cmd_begin_query - validate SVGA_3D_CMD_BEGIN_QUERY command.
1324 *
1325 * @dev_priv: Pointer to a device private struct.
1326 * @sw_context: The software context used for this command submission.
1327 * @header: Pointer to the command header in the command stream.
1328 */
1329static int vmw_cmd_begin_query(struct vmw_private *dev_priv,
1330 struct vmw_sw_context *sw_context,
1331 SVGA3dCmdHeader *header)
1332{
1333 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdBeginQuery) =
1334 container_of(header, typeof(*cmd), header);
1335
1336 if (unlikely(dev_priv->has_mob)) {
1337 VMW_DECLARE_CMD_VAR(gb_cmd, SVGA3dCmdBeginGBQuery);
1338
1339 BUG_ON(sizeof(gb_cmd) != sizeof(*cmd));
1340
1341 gb_cmd.header.id = SVGA_3D_CMD_BEGIN_GB_QUERY;
1342 gb_cmd.header.size = cmd->header.size;
1343 gb_cmd.body.cid = cmd->body.cid;
1344 gb_cmd.body.type = cmd->body.type;
1345
1346 memcpy(cmd, &gb_cmd, sizeof(*cmd));
1347 return vmw_cmd_begin_gb_query(dev_priv, sw_context, header);
1348 }
1349
1350 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
1351 VMW_RES_DIRTY_SET, user_context_converter,
1352 &cmd->body.cid, NULL);
1353}
1354
1355/**
1356 * vmw_cmd_end_gb_query - validate SVGA_3D_CMD_END_GB_QUERY command.
1357 *
1358 * @dev_priv: Pointer to a device private struct.
1359 * @sw_context: The software context used for this command submission.
1360 * @header: Pointer to the command header in the command stream.
1361 */
1362static int vmw_cmd_end_gb_query(struct vmw_private *dev_priv,
1363 struct vmw_sw_context *sw_context,
1364 SVGA3dCmdHeader *header)
1365{
1366 struct vmw_buffer_object *vmw_bo;
1367 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdEndGBQuery);
1368 int ret;
1369
1370 cmd = container_of(header, typeof(*cmd), header);
1371 ret = vmw_cmd_cid_check(dev_priv, sw_context, header);
1372 if (unlikely(ret != 0))
1373 return ret;
1374
1375 ret = vmw_translate_mob_ptr(dev_priv, sw_context, &cmd->body.mobid,
1376 &vmw_bo);
1377 if (unlikely(ret != 0))
1378 return ret;
1379
1380 ret = vmw_query_bo_switch_prepare(dev_priv, vmw_bo, sw_context);
1381
1382 return ret;
1383}
1384
1385/**
1386 * vmw_cmd_end_query - validate SVGA_3D_CMD_END_QUERY command.
1387 *
1388 * @dev_priv: Pointer to a device private struct.
1389 * @sw_context: The software context used for this command submission.
1390 * @header: Pointer to the command header in the command stream.
1391 */
1392static int vmw_cmd_end_query(struct vmw_private *dev_priv,
1393 struct vmw_sw_context *sw_context,
1394 SVGA3dCmdHeader *header)
1395{
1396 struct vmw_buffer_object *vmw_bo;
1397 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdEndQuery);
1398 int ret;
1399
1400 cmd = container_of(header, typeof(*cmd), header);
1401 if (dev_priv->has_mob) {
1402 VMW_DECLARE_CMD_VAR(gb_cmd, SVGA3dCmdEndGBQuery);
1403
1404 BUG_ON(sizeof(gb_cmd) != sizeof(*cmd));
1405
1406 gb_cmd.header.id = SVGA_3D_CMD_END_GB_QUERY;
1407 gb_cmd.header.size = cmd->header.size;
1408 gb_cmd.body.cid = cmd->body.cid;
1409 gb_cmd.body.type = cmd->body.type;
1410 gb_cmd.body.mobid = cmd->body.guestResult.gmrId;
1411 gb_cmd.body.offset = cmd->body.guestResult.offset;
1412
1413 memcpy(cmd, &gb_cmd, sizeof(*cmd));
1414 return vmw_cmd_end_gb_query(dev_priv, sw_context, header);
1415 }
1416
1417 ret = vmw_cmd_cid_check(dev_priv, sw_context, header);
1418 if (unlikely(ret != 0))
1419 return ret;
1420
1421 ret = vmw_translate_guest_ptr(dev_priv, sw_context,
1422 &cmd->body.guestResult, &vmw_bo);
1423 if (unlikely(ret != 0))
1424 return ret;
1425
1426 ret = vmw_query_bo_switch_prepare(dev_priv, vmw_bo, sw_context);
1427
1428 return ret;
1429}
1430
1431/**
1432 * vmw_cmd_wait_gb_query - validate SVGA_3D_CMD_WAIT_GB_QUERY command.
1433 *
1434 * @dev_priv: Pointer to a device private struct.
1435 * @sw_context: The software context used for this command submission.
1436 * @header: Pointer to the command header in the command stream.
1437 */
1438static int vmw_cmd_wait_gb_query(struct vmw_private *dev_priv,
1439 struct vmw_sw_context *sw_context,
1440 SVGA3dCmdHeader *header)
1441{
1442 struct vmw_buffer_object *vmw_bo;
1443 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdWaitForGBQuery);
1444 int ret;
1445
1446 cmd = container_of(header, typeof(*cmd), header);
1447 ret = vmw_cmd_cid_check(dev_priv, sw_context, header);
1448 if (unlikely(ret != 0))
1449 return ret;
1450
1451 ret = vmw_translate_mob_ptr(dev_priv, sw_context, &cmd->body.mobid,
1452 &vmw_bo);
1453 if (unlikely(ret != 0))
1454 return ret;
1455
1456 return 0;
1457}
1458
1459/**
1460 * vmw_cmd_wait_query - validate SVGA_3D_CMD_WAIT_QUERY command.
1461 *
1462 * @dev_priv: Pointer to a device private struct.
1463 * @sw_context: The software context used for this command submission.
1464 * @header: Pointer to the command header in the command stream.
1465 */
1466static int vmw_cmd_wait_query(struct vmw_private *dev_priv,
1467 struct vmw_sw_context *sw_context,
1468 SVGA3dCmdHeader *header)
1469{
1470 struct vmw_buffer_object *vmw_bo;
1471 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdWaitForQuery);
1472 int ret;
1473
1474 cmd = container_of(header, typeof(*cmd), header);
1475 if (dev_priv->has_mob) {
1476 VMW_DECLARE_CMD_VAR(gb_cmd, SVGA3dCmdWaitForGBQuery);
1477
1478 BUG_ON(sizeof(gb_cmd) != sizeof(*cmd));
1479
1480 gb_cmd.header.id = SVGA_3D_CMD_WAIT_FOR_GB_QUERY;
1481 gb_cmd.header.size = cmd->header.size;
1482 gb_cmd.body.cid = cmd->body.cid;
1483 gb_cmd.body.type = cmd->body.type;
1484 gb_cmd.body.mobid = cmd->body.guestResult.gmrId;
1485 gb_cmd.body.offset = cmd->body.guestResult.offset;
1486
1487 memcpy(cmd, &gb_cmd, sizeof(*cmd));
1488 return vmw_cmd_wait_gb_query(dev_priv, sw_context, header);
1489 }
1490
1491 ret = vmw_cmd_cid_check(dev_priv, sw_context, header);
1492 if (unlikely(ret != 0))
1493 return ret;
1494
1495 ret = vmw_translate_guest_ptr(dev_priv, sw_context,
1496 &cmd->body.guestResult, &vmw_bo);
1497 if (unlikely(ret != 0))
1498 return ret;
1499
1500 return 0;
1501}
1502
1503static int vmw_cmd_dma(struct vmw_private *dev_priv,
1504 struct vmw_sw_context *sw_context,
1505 SVGA3dCmdHeader *header)
1506{
1507 struct vmw_buffer_object *vmw_bo = NULL;
1508 struct vmw_surface *srf = NULL;
1509 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdSurfaceDMA);
1510 int ret;
1511 SVGA3dCmdSurfaceDMASuffix *suffix;
1512 uint32_t bo_size;
1513 bool dirty;
1514
1515 cmd = container_of(header, typeof(*cmd), header);
1516 suffix = (SVGA3dCmdSurfaceDMASuffix *)((unsigned long) &cmd->body +
1517 header->size - sizeof(*suffix));
1518
1519 /* Make sure device and verifier stays in sync. */
1520 if (unlikely(suffix->suffixSize != sizeof(*suffix))) {
1521 VMW_DEBUG_USER("Invalid DMA suffix size.\n");
1522 return -EINVAL;
1523 }
1524
1525 ret = vmw_translate_guest_ptr(dev_priv, sw_context,
1526 &cmd->body.guest.ptr, &vmw_bo);
1527 if (unlikely(ret != 0))
1528 return ret;
1529
1530 /* Make sure DMA doesn't cross BO boundaries. */
1531 bo_size = vmw_bo->base.base.size;
1532 if (unlikely(cmd->body.guest.ptr.offset > bo_size)) {
1533 VMW_DEBUG_USER("Invalid DMA offset.\n");
1534 return -EINVAL;
1535 }
1536
1537 bo_size -= cmd->body.guest.ptr.offset;
1538 if (unlikely(suffix->maximumOffset > bo_size))
1539 suffix->maximumOffset = bo_size;
1540
1541 dirty = (cmd->body.transfer == SVGA3D_WRITE_HOST_VRAM) ?
1542 VMW_RES_DIRTY_SET : 0;
1543 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1544 dirty, user_surface_converter,
1545 &cmd->body.host.sid, NULL);
1546 if (unlikely(ret != 0)) {
1547 if (unlikely(ret != -ERESTARTSYS))
1548 VMW_DEBUG_USER("could not find surface for DMA.\n");
1549 return ret;
1550 }
1551
1552 srf = vmw_res_to_srf(sw_context->res_cache[vmw_res_surface].res);
1553
1554 vmw_kms_cursor_snoop(srf, sw_context->fp->tfile, &vmw_bo->base, header);
1555
1556 return 0;
1557}
1558
1559static int vmw_cmd_draw(struct vmw_private *dev_priv,
1560 struct vmw_sw_context *sw_context,
1561 SVGA3dCmdHeader *header)
1562{
1563 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDrawPrimitives);
1564 SVGA3dVertexDecl *decl = (SVGA3dVertexDecl *)(
1565 (unsigned long)header + sizeof(*cmd));
1566 SVGA3dPrimitiveRange *range;
1567 uint32_t i;
1568 uint32_t maxnum;
1569 int ret;
1570
1571 ret = vmw_cmd_cid_check(dev_priv, sw_context, header);
1572 if (unlikely(ret != 0))
1573 return ret;
1574
1575 cmd = container_of(header, typeof(*cmd), header);
1576 maxnum = (header->size - sizeof(cmd->body)) / sizeof(*decl);
1577
1578 if (unlikely(cmd->body.numVertexDecls > maxnum)) {
1579 VMW_DEBUG_USER("Illegal number of vertex declarations.\n");
1580 return -EINVAL;
1581 }
1582
1583 for (i = 0; i < cmd->body.numVertexDecls; ++i, ++decl) {
1584 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1585 VMW_RES_DIRTY_NONE,
1586 user_surface_converter,
1587 &decl->array.surfaceId, NULL);
1588 if (unlikely(ret != 0))
1589 return ret;
1590 }
1591
1592 maxnum = (header->size - sizeof(cmd->body) -
1593 cmd->body.numVertexDecls * sizeof(*decl)) / sizeof(*range);
1594 if (unlikely(cmd->body.numRanges > maxnum)) {
1595 VMW_DEBUG_USER("Illegal number of index ranges.\n");
1596 return -EINVAL;
1597 }
1598
1599 range = (SVGA3dPrimitiveRange *) decl;
1600 for (i = 0; i < cmd->body.numRanges; ++i, ++range) {
1601 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1602 VMW_RES_DIRTY_NONE,
1603 user_surface_converter,
1604 &range->indexArray.surfaceId, NULL);
1605 if (unlikely(ret != 0))
1606 return ret;
1607 }
1608 return 0;
1609}
1610
1611static int vmw_cmd_tex_state(struct vmw_private *dev_priv,
1612 struct vmw_sw_context *sw_context,
1613 SVGA3dCmdHeader *header)
1614{
1615 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdSetTextureState);
1616 SVGA3dTextureState *last_state = (SVGA3dTextureState *)
1617 ((unsigned long) header + header->size + sizeof(header));
1618 SVGA3dTextureState *cur_state = (SVGA3dTextureState *)
1619 ((unsigned long) header + sizeof(*cmd));
1620 struct vmw_resource *ctx;
1621 struct vmw_resource *res;
1622 int ret;
1623
1624 cmd = container_of(header, typeof(*cmd), header);
1625
1626 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
1627 VMW_RES_DIRTY_SET, user_context_converter,
1628 &cmd->body.cid, &ctx);
1629 if (unlikely(ret != 0))
1630 return ret;
1631
1632 for (; cur_state < last_state; ++cur_state) {
1633 if (likely(cur_state->name != SVGA3D_TS_BIND_TEXTURE))
1634 continue;
1635
1636 if (cur_state->stage >= SVGA3D_NUM_TEXTURE_UNITS) {
1637 VMW_DEBUG_USER("Illegal texture/sampler unit %u.\n",
1638 (unsigned int) cur_state->stage);
1639 return -EINVAL;
1640 }
1641
1642 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1643 VMW_RES_DIRTY_NONE,
1644 user_surface_converter,
1645 &cur_state->value, &res);
1646 if (unlikely(ret != 0))
1647 return ret;
1648
1649 if (dev_priv->has_mob) {
1650 struct vmw_ctx_bindinfo_tex binding;
1651 struct vmw_ctx_validation_info *node;
1652
1653 node = vmw_execbuf_info_from_res(sw_context, ctx);
1654 if (!node)
1655 return -EINVAL;
1656
1657 binding.bi.ctx = ctx;
1658 binding.bi.res = res;
1659 binding.bi.bt = vmw_ctx_binding_tex;
1660 binding.texture_stage = cur_state->stage;
1661 vmw_binding_add(node->staged, &binding.bi, 0,
1662 binding.texture_stage);
1663 }
1664 }
1665
1666 return 0;
1667}
1668
1669static int vmw_cmd_check_define_gmrfb(struct vmw_private *dev_priv,
1670 struct vmw_sw_context *sw_context,
1671 void *buf)
1672{
1673 struct vmw_buffer_object *vmw_bo;
1674
1675 struct {
1676 uint32_t header;
1677 SVGAFifoCmdDefineGMRFB body;
1678 } *cmd = buf;
1679
1680 return vmw_translate_guest_ptr(dev_priv, sw_context, &cmd->body.ptr,
1681 &vmw_bo);
1682}
1683
1684/**
1685 * vmw_cmd_res_switch_backup - Utility function to handle backup buffer
1686 * switching
1687 *
1688 * @dev_priv: Pointer to a device private struct.
1689 * @sw_context: The software context being used for this batch.
1690 * @res: Pointer to the resource.
1691 * @buf_id: Pointer to the user-space backup buffer handle in the command
1692 * stream.
1693 * @backup_offset: Offset of backup into MOB.
1694 *
1695 * This function prepares for registering a switch of backup buffers in the
1696 * resource metadata just prior to unreserving. It's basically a wrapper around
1697 * vmw_cmd_res_switch_backup with a different interface.
1698 */
1699static int vmw_cmd_res_switch_backup(struct vmw_private *dev_priv,
1700 struct vmw_sw_context *sw_context,
1701 struct vmw_resource *res, uint32_t *buf_id,
1702 unsigned long backup_offset)
1703{
1704 struct vmw_buffer_object *vbo;
1705 void *info;
1706 int ret;
1707
1708 info = vmw_execbuf_info_from_res(sw_context, res);
1709 if (!info)
1710 return -EINVAL;
1711
1712 ret = vmw_translate_mob_ptr(dev_priv, sw_context, buf_id, &vbo);
1713 if (ret)
1714 return ret;
1715
1716 vmw_validation_res_switch_backup(sw_context->ctx, info, vbo,
1717 backup_offset);
1718 return 0;
1719}
1720
1721/**
1722 * vmw_cmd_switch_backup - Utility function to handle backup buffer switching
1723 *
1724 * @dev_priv: Pointer to a device private struct.
1725 * @sw_context: The software context being used for this batch.
1726 * @res_type: The resource type.
1727 * @converter: Information about user-space binding for this resource type.
1728 * @res_id: Pointer to the user-space resource handle in the command stream.
1729 * @buf_id: Pointer to the user-space backup buffer handle in the command
1730 * stream.
1731 * @backup_offset: Offset of backup into MOB.
1732 *
1733 * This function prepares for registering a switch of backup buffers in the
1734 * resource metadata just prior to unreserving. It's basically a wrapper around
1735 * vmw_cmd_res_switch_backup with a different interface.
1736 */
1737static int vmw_cmd_switch_backup(struct vmw_private *dev_priv,
1738 struct vmw_sw_context *sw_context,
1739 enum vmw_res_type res_type,
1740 const struct vmw_user_resource_conv
1741 *converter, uint32_t *res_id, uint32_t *buf_id,
1742 unsigned long backup_offset)
1743{
1744 struct vmw_resource *res;
1745 int ret;
1746
1747 ret = vmw_cmd_res_check(dev_priv, sw_context, res_type,
1748 VMW_RES_DIRTY_NONE, converter, res_id, &res);
1749 if (ret)
1750 return ret;
1751
1752 return vmw_cmd_res_switch_backup(dev_priv, sw_context, res, buf_id,
1753 backup_offset);
1754}
1755
1756/**
1757 * vmw_cmd_bind_gb_surface - Validate SVGA_3D_CMD_BIND_GB_SURFACE command
1758 *
1759 * @dev_priv: Pointer to a device private struct.
1760 * @sw_context: The software context being used for this batch.
1761 * @header: Pointer to the command header in the command stream.
1762 */
1763static int vmw_cmd_bind_gb_surface(struct vmw_private *dev_priv,
1764 struct vmw_sw_context *sw_context,
1765 SVGA3dCmdHeader *header)
1766{
1767 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdBindGBSurface) =
1768 container_of(header, typeof(*cmd), header);
1769
1770 return vmw_cmd_switch_backup(dev_priv, sw_context, vmw_res_surface,
1771 user_surface_converter, &cmd->body.sid,
1772 &cmd->body.mobid, 0);
1773}
1774
1775/**
1776 * vmw_cmd_update_gb_image - Validate SVGA_3D_CMD_UPDATE_GB_IMAGE command
1777 *
1778 * @dev_priv: Pointer to a device private struct.
1779 * @sw_context: The software context being used for this batch.
1780 * @header: Pointer to the command header in the command stream.
1781 */
1782static int vmw_cmd_update_gb_image(struct vmw_private *dev_priv,
1783 struct vmw_sw_context *sw_context,
1784 SVGA3dCmdHeader *header)
1785{
1786 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdUpdateGBImage) =
1787 container_of(header, typeof(*cmd), header);
1788
1789 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1790 VMW_RES_DIRTY_NONE, user_surface_converter,
1791 &cmd->body.image.sid, NULL);
1792}
1793
1794/**
1795 * vmw_cmd_update_gb_surface - Validate SVGA_3D_CMD_UPDATE_GB_SURFACE command
1796 *
1797 * @dev_priv: Pointer to a device private struct.
1798 * @sw_context: The software context being used for this batch.
1799 * @header: Pointer to the command header in the command stream.
1800 */
1801static int vmw_cmd_update_gb_surface(struct vmw_private *dev_priv,
1802 struct vmw_sw_context *sw_context,
1803 SVGA3dCmdHeader *header)
1804{
1805 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdUpdateGBSurface) =
1806 container_of(header, typeof(*cmd), header);
1807
1808 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1809 VMW_RES_DIRTY_CLEAR, user_surface_converter,
1810 &cmd->body.sid, NULL);
1811}
1812
1813/**
1814 * vmw_cmd_readback_gb_image - Validate SVGA_3D_CMD_READBACK_GB_IMAGE command
1815 *
1816 * @dev_priv: Pointer to a device private struct.
1817 * @sw_context: The software context being used for this batch.
1818 * @header: Pointer to the command header in the command stream.
1819 */
1820static int vmw_cmd_readback_gb_image(struct vmw_private *dev_priv,
1821 struct vmw_sw_context *sw_context,
1822 SVGA3dCmdHeader *header)
1823{
1824 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdReadbackGBImage) =
1825 container_of(header, typeof(*cmd), header);
1826
1827 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1828 VMW_RES_DIRTY_NONE, user_surface_converter,
1829 &cmd->body.image.sid, NULL);
1830}
1831
1832/**
1833 * vmw_cmd_readback_gb_surface - Validate SVGA_3D_CMD_READBACK_GB_SURFACE
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 */
1840static int vmw_cmd_readback_gb_surface(struct vmw_private *dev_priv,
1841 struct vmw_sw_context *sw_context,
1842 SVGA3dCmdHeader *header)
1843{
1844 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdReadbackGBSurface) =
1845 container_of(header, typeof(*cmd), header);
1846
1847 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1848 VMW_RES_DIRTY_CLEAR, user_surface_converter,
1849 &cmd->body.sid, NULL);
1850}
1851
1852/**
1853 * vmw_cmd_invalidate_gb_image - Validate SVGA_3D_CMD_INVALIDATE_GB_IMAGE
1854 * command
1855 *
1856 * @dev_priv: Pointer to a device private struct.
1857 * @sw_context: The software context being used for this batch.
1858 * @header: Pointer to the command header in the command stream.
1859 */
1860static int vmw_cmd_invalidate_gb_image(struct vmw_private *dev_priv,
1861 struct vmw_sw_context *sw_context,
1862 SVGA3dCmdHeader *header)
1863{
1864 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdInvalidateGBImage) =
1865 container_of(header, typeof(*cmd), header);
1866
1867 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1868 VMW_RES_DIRTY_NONE, user_surface_converter,
1869 &cmd->body.image.sid, NULL);
1870}
1871
1872/**
1873 * vmw_cmd_invalidate_gb_surface - Validate SVGA_3D_CMD_INVALIDATE_GB_SURFACE
1874 * command
1875 *
1876 * @dev_priv: Pointer to a device private struct.
1877 * @sw_context: The software context being used for this batch.
1878 * @header: Pointer to the command header in the command stream.
1879 */
1880static int vmw_cmd_invalidate_gb_surface(struct vmw_private *dev_priv,
1881 struct vmw_sw_context *sw_context,
1882 SVGA3dCmdHeader *header)
1883{
1884 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdInvalidateGBSurface) =
1885 container_of(header, typeof(*cmd), header);
1886
1887 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1888 VMW_RES_DIRTY_CLEAR, user_surface_converter,
1889 &cmd->body.sid, NULL);
1890}
1891
1892/**
1893 * vmw_cmd_shader_define - Validate SVGA_3D_CMD_SHADER_DEFINE command
1894 *
1895 * @dev_priv: Pointer to a device private struct.
1896 * @sw_context: The software context being used for this batch.
1897 * @header: Pointer to the command header in the command stream.
1898 */
1899static int vmw_cmd_shader_define(struct vmw_private *dev_priv,
1900 struct vmw_sw_context *sw_context,
1901 SVGA3dCmdHeader *header)
1902{
1903 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDefineShader);
1904 int ret;
1905 size_t size;
1906 struct vmw_resource *ctx;
1907
1908 cmd = container_of(header, typeof(*cmd), header);
1909
1910 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
1911 VMW_RES_DIRTY_SET, user_context_converter,
1912 &cmd->body.cid, &ctx);
1913 if (unlikely(ret != 0))
1914 return ret;
1915
1916 if (unlikely(!dev_priv->has_mob))
1917 return 0;
1918
1919 size = cmd->header.size - sizeof(cmd->body);
1920 ret = vmw_compat_shader_add(dev_priv, vmw_context_res_man(ctx),
1921 cmd->body.shid, cmd + 1, cmd->body.type,
1922 size, &sw_context->staged_cmd_res);
1923 if (unlikely(ret != 0))
1924 return ret;
1925
1926 return vmw_resource_relocation_add(sw_context, NULL,
1927 vmw_ptr_diff(sw_context->buf_start,
1928 &cmd->header.id),
1929 vmw_res_rel_nop);
1930}
1931
1932/**
1933 * vmw_cmd_shader_destroy - Validate SVGA_3D_CMD_SHADER_DESTROY command
1934 *
1935 * @dev_priv: Pointer to a device private struct.
1936 * @sw_context: The software context being used for this batch.
1937 * @header: Pointer to the command header in the command stream.
1938 */
1939static int vmw_cmd_shader_destroy(struct vmw_private *dev_priv,
1940 struct vmw_sw_context *sw_context,
1941 SVGA3dCmdHeader *header)
1942{
1943 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDestroyShader);
1944 int ret;
1945 struct vmw_resource *ctx;
1946
1947 cmd = container_of(header, typeof(*cmd), header);
1948
1949 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
1950 VMW_RES_DIRTY_SET, user_context_converter,
1951 &cmd->body.cid, &ctx);
1952 if (unlikely(ret != 0))
1953 return ret;
1954
1955 if (unlikely(!dev_priv->has_mob))
1956 return 0;
1957
1958 ret = vmw_shader_remove(vmw_context_res_man(ctx), cmd->body.shid,
1959 cmd->body.type, &sw_context->staged_cmd_res);
1960 if (unlikely(ret != 0))
1961 return ret;
1962
1963 return vmw_resource_relocation_add(sw_context, NULL,
1964 vmw_ptr_diff(sw_context->buf_start,
1965 &cmd->header.id),
1966 vmw_res_rel_nop);
1967}
1968
1969/**
1970 * vmw_cmd_set_shader - Validate SVGA_3D_CMD_SET_SHADER command
1971 *
1972 * @dev_priv: Pointer to a device private struct.
1973 * @sw_context: The software context being used for this batch.
1974 * @header: Pointer to the command header in the command stream.
1975 */
1976static int vmw_cmd_set_shader(struct vmw_private *dev_priv,
1977 struct vmw_sw_context *sw_context,
1978 SVGA3dCmdHeader *header)
1979{
1980 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdSetShader);
1981 struct vmw_ctx_bindinfo_shader binding;
1982 struct vmw_resource *ctx, *res = NULL;
1983 struct vmw_ctx_validation_info *ctx_info;
1984 int ret;
1985
1986 cmd = container_of(header, typeof(*cmd), header);
1987
1988 if (cmd->body.type >= SVGA3D_SHADERTYPE_PREDX_MAX) {
1989 VMW_DEBUG_USER("Illegal shader type %u.\n",
1990 (unsigned int) cmd->body.type);
1991 return -EINVAL;
1992 }
1993
1994 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
1995 VMW_RES_DIRTY_SET, user_context_converter,
1996 &cmd->body.cid, &ctx);
1997 if (unlikely(ret != 0))
1998 return ret;
1999
2000 if (!dev_priv->has_mob)
2001 return 0;
2002
2003 if (cmd->body.shid != SVGA3D_INVALID_ID) {
2004 /*
2005 * This is the compat shader path - Per device guest-backed
2006 * shaders, but user-space thinks it's per context host-
2007 * backed shaders.
2008 */
2009 res = vmw_shader_lookup(vmw_context_res_man(ctx),
2010 cmd->body.shid, cmd->body.type);
2011 if (!IS_ERR(res)) {
2012 ret = vmw_execbuf_res_val_add(sw_context, res,
2013 VMW_RES_DIRTY_NONE,
2014 vmw_val_add_flag_noctx);
2015 if (unlikely(ret != 0))
2016 return ret;
2017
2018 ret = vmw_resource_relocation_add
2019 (sw_context, res,
2020 vmw_ptr_diff(sw_context->buf_start,
2021 &cmd->body.shid),
2022 vmw_res_rel_normal);
2023 if (unlikely(ret != 0))
2024 return ret;
2025 }
2026 }
2027
2028 if (IS_ERR_OR_NULL(res)) {
2029 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_shader,
2030 VMW_RES_DIRTY_NONE,
2031 user_shader_converter, &cmd->body.shid,
2032 &res);
2033 if (unlikely(ret != 0))
2034 return ret;
2035 }
2036
2037 ctx_info = vmw_execbuf_info_from_res(sw_context, ctx);
2038 if (!ctx_info)
2039 return -EINVAL;
2040
2041 binding.bi.ctx = ctx;
2042 binding.bi.res = res;
2043 binding.bi.bt = vmw_ctx_binding_shader;
2044 binding.shader_slot = cmd->body.type - SVGA3D_SHADERTYPE_MIN;
2045 vmw_binding_add(ctx_info->staged, &binding.bi, binding.shader_slot, 0);
2046
2047 return 0;
2048}
2049
2050/**
2051 * vmw_cmd_set_shader_const - Validate SVGA_3D_CMD_SET_SHADER_CONST command
2052 *
2053 * @dev_priv: Pointer to a device private struct.
2054 * @sw_context: The software context being used for this batch.
2055 * @header: Pointer to the command header in the command stream.
2056 */
2057static int vmw_cmd_set_shader_const(struct vmw_private *dev_priv,
2058 struct vmw_sw_context *sw_context,
2059 SVGA3dCmdHeader *header)
2060{
2061 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdSetShaderConst);
2062 int ret;
2063
2064 cmd = container_of(header, typeof(*cmd), header);
2065
2066 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
2067 VMW_RES_DIRTY_SET, user_context_converter,
2068 &cmd->body.cid, NULL);
2069 if (unlikely(ret != 0))
2070 return ret;
2071
2072 if (dev_priv->has_mob)
2073 header->id = SVGA_3D_CMD_SET_GB_SHADERCONSTS_INLINE;
2074
2075 return 0;
2076}
2077
2078/**
2079 * vmw_cmd_bind_gb_shader - Validate SVGA_3D_CMD_BIND_GB_SHADER command
2080 *
2081 * @dev_priv: Pointer to a device private struct.
2082 * @sw_context: The software context being used for this batch.
2083 * @header: Pointer to the command header in the command stream.
2084 */
2085static int vmw_cmd_bind_gb_shader(struct vmw_private *dev_priv,
2086 struct vmw_sw_context *sw_context,
2087 SVGA3dCmdHeader *header)
2088{
2089 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdBindGBShader) =
2090 container_of(header, typeof(*cmd), header);
2091
2092 return vmw_cmd_switch_backup(dev_priv, sw_context, vmw_res_shader,
2093 user_shader_converter, &cmd->body.shid,
2094 &cmd->body.mobid, cmd->body.offsetInBytes);
2095}
2096
2097/**
2098 * vmw_cmd_dx_set_single_constant_buffer - Validate
2099 * SVGA_3D_CMD_DX_SET_SINGLE_CONSTANT_BUFFER command.
2100 *
2101 * @dev_priv: Pointer to a device private struct.
2102 * @sw_context: The software context being used for this batch.
2103 * @header: Pointer to the command header in the command stream.
2104 */
2105static int
2106vmw_cmd_dx_set_single_constant_buffer(struct vmw_private *dev_priv,
2107 struct vmw_sw_context *sw_context,
2108 SVGA3dCmdHeader *header)
2109{
2110 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXSetSingleConstantBuffer);
2111 SVGA3dShaderType max_shader_num = has_sm5_context(dev_priv) ?
2112 SVGA3D_NUM_SHADERTYPE : SVGA3D_NUM_SHADERTYPE_DX10;
2113
2114 struct vmw_resource *res = NULL;
2115 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
2116 struct vmw_ctx_bindinfo_cb binding;
2117 int ret;
2118
2119 if (!ctx_node)
2120 return -EINVAL;
2121
2122 cmd = container_of(header, typeof(*cmd), header);
2123 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2124 VMW_RES_DIRTY_NONE, user_surface_converter,
2125 &cmd->body.sid, &res);
2126 if (unlikely(ret != 0))
2127 return ret;
2128
2129 binding.bi.ctx = ctx_node->ctx;
2130 binding.bi.res = res;
2131 binding.bi.bt = vmw_ctx_binding_cb;
2132 binding.shader_slot = cmd->body.type - SVGA3D_SHADERTYPE_MIN;
2133 binding.offset = cmd->body.offsetInBytes;
2134 binding.size = cmd->body.sizeInBytes;
2135 binding.slot = cmd->body.slot;
2136
2137 if (binding.shader_slot >= max_shader_num ||
2138 binding.slot >= SVGA3D_DX_MAX_CONSTBUFFERS) {
2139 VMW_DEBUG_USER("Illegal const buffer shader %u slot %u.\n",
2140 (unsigned int) cmd->body.type,
2141 (unsigned int) binding.slot);
2142 return -EINVAL;
2143 }
2144
2145 vmw_binding_add(ctx_node->staged, &binding.bi, binding.shader_slot,
2146 binding.slot);
2147
2148 return 0;
2149}
2150
2151/**
2152 * vmw_cmd_dx_set_constant_buffer_offset - Validate
2153 * SVGA_3D_CMD_DX_SET_VS/PS/GS/HS/DS/CS_CONSTANT_BUFFER_OFFSET command.
2154 *
2155 * @dev_priv: Pointer to a device private struct.
2156 * @sw_context: The software context being used for this batch.
2157 * @header: Pointer to the command header in the command stream.
2158 */
2159static int
2160vmw_cmd_dx_set_constant_buffer_offset(struct vmw_private *dev_priv,
2161 struct vmw_sw_context *sw_context,
2162 SVGA3dCmdHeader *header)
2163{
2164 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXSetConstantBufferOffset);
2165
2166 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
2167 u32 shader_slot;
2168
2169 if (!has_sm5_context(dev_priv))
2170 return -EINVAL;
2171
2172 if (!ctx_node)
2173 return -EINVAL;
2174
2175 cmd = container_of(header, typeof(*cmd), header);
2176 if (cmd->body.slot >= SVGA3D_DX_MAX_CONSTBUFFERS) {
2177 VMW_DEBUG_USER("Illegal const buffer slot %u.\n",
2178 (unsigned int) cmd->body.slot);
2179 return -EINVAL;
2180 }
2181
2182 shader_slot = cmd->header.id - SVGA_3D_CMD_DX_SET_VS_CONSTANT_BUFFER_OFFSET;
2183 vmw_binding_cb_offset_update(ctx_node->staged, shader_slot,
2184 cmd->body.slot, cmd->body.offsetInBytes);
2185
2186 return 0;
2187}
2188
2189/**
2190 * vmw_cmd_dx_set_shader_res - Validate SVGA_3D_CMD_DX_SET_SHADER_RESOURCES
2191 * command
2192 *
2193 * @dev_priv: Pointer to a device private struct.
2194 * @sw_context: The software context being used for this batch.
2195 * @header: Pointer to the command header in the command stream.
2196 */
2197static int vmw_cmd_dx_set_shader_res(struct vmw_private *dev_priv,
2198 struct vmw_sw_context *sw_context,
2199 SVGA3dCmdHeader *header)
2200{
2201 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXSetShaderResources) =
2202 container_of(header, typeof(*cmd), header);
2203 SVGA3dShaderType max_allowed = has_sm5_context(dev_priv) ?
2204 SVGA3D_SHADERTYPE_MAX : SVGA3D_SHADERTYPE_DX10_MAX;
2205
2206 u32 num_sr_view = (cmd->header.size - sizeof(cmd->body)) /
2207 sizeof(SVGA3dShaderResourceViewId);
2208
2209 if ((u64) cmd->body.startView + (u64) num_sr_view >
2210 (u64) SVGA3D_DX_MAX_SRVIEWS ||
2211 cmd->body.type >= max_allowed) {
2212 VMW_DEBUG_USER("Invalid shader binding.\n");
2213 return -EINVAL;
2214 }
2215
2216 return vmw_view_bindings_add(sw_context, vmw_view_sr,
2217 vmw_ctx_binding_sr,
2218 cmd->body.type - SVGA3D_SHADERTYPE_MIN,
2219 (void *) &cmd[1], num_sr_view,
2220 cmd->body.startView);
2221}
2222
2223/**
2224 * vmw_cmd_dx_set_shader - Validate SVGA_3D_CMD_DX_SET_SHADER command
2225 *
2226 * @dev_priv: Pointer to a device private struct.
2227 * @sw_context: The software context being used for this batch.
2228 * @header: Pointer to the command header in the command stream.
2229 */
2230static int vmw_cmd_dx_set_shader(struct vmw_private *dev_priv,
2231 struct vmw_sw_context *sw_context,
2232 SVGA3dCmdHeader *header)
2233{
2234 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXSetShader);
2235 SVGA3dShaderType max_allowed = has_sm5_context(dev_priv) ?
2236 SVGA3D_SHADERTYPE_MAX : SVGA3D_SHADERTYPE_DX10_MAX;
2237 struct vmw_resource *res = NULL;
2238 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
2239 struct vmw_ctx_bindinfo_shader binding;
2240 int ret = 0;
2241
2242 if (!ctx_node)
2243 return -EINVAL;
2244
2245 cmd = container_of(header, typeof(*cmd), header);
2246
2247 if (cmd->body.type >= max_allowed ||
2248 cmd->body.type < SVGA3D_SHADERTYPE_MIN) {
2249 VMW_DEBUG_USER("Illegal shader type %u.\n",
2250 (unsigned int) cmd->body.type);
2251 return -EINVAL;
2252 }
2253
2254 if (cmd->body.shaderId != SVGA3D_INVALID_ID) {
2255 res = vmw_shader_lookup(sw_context->man, cmd->body.shaderId, 0);
2256 if (IS_ERR(res)) {
2257 VMW_DEBUG_USER("Could not find shader for binding.\n");
2258 return PTR_ERR(res);
2259 }
2260
2261 ret = vmw_execbuf_res_val_add(sw_context, res,
2262 VMW_RES_DIRTY_NONE,
2263 vmw_val_add_flag_noctx);
2264 if (ret)
2265 return ret;
2266 }
2267
2268 binding.bi.ctx = ctx_node->ctx;
2269 binding.bi.res = res;
2270 binding.bi.bt = vmw_ctx_binding_dx_shader;
2271 binding.shader_slot = cmd->body.type - SVGA3D_SHADERTYPE_MIN;
2272
2273 vmw_binding_add(ctx_node->staged, &binding.bi, binding.shader_slot, 0);
2274
2275 return 0;
2276}
2277
2278/**
2279 * vmw_cmd_dx_set_vertex_buffers - Validates SVGA_3D_CMD_DX_SET_VERTEX_BUFFERS
2280 * command
2281 *
2282 * @dev_priv: Pointer to a device private struct.
2283 * @sw_context: The software context being used for this batch.
2284 * @header: Pointer to the command header in the command stream.
2285 */
2286static int vmw_cmd_dx_set_vertex_buffers(struct vmw_private *dev_priv,
2287 struct vmw_sw_context *sw_context,
2288 SVGA3dCmdHeader *header)
2289{
2290 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
2291 struct vmw_ctx_bindinfo_vb binding;
2292 struct vmw_resource *res;
2293 struct {
2294 SVGA3dCmdHeader header;
2295 SVGA3dCmdDXSetVertexBuffers body;
2296 SVGA3dVertexBuffer buf[];
2297 } *cmd;
2298 int i, ret, num;
2299
2300 if (!ctx_node)
2301 return -EINVAL;
2302
2303 cmd = container_of(header, typeof(*cmd), header);
2304 num = (cmd->header.size - sizeof(cmd->body)) /
2305 sizeof(SVGA3dVertexBuffer);
2306 if ((u64)num + (u64)cmd->body.startBuffer >
2307 (u64)SVGA3D_DX_MAX_VERTEXBUFFERS) {
2308 VMW_DEBUG_USER("Invalid number of vertex buffers.\n");
2309 return -EINVAL;
2310 }
2311
2312 for (i = 0; i < num; i++) {
2313 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2314 VMW_RES_DIRTY_NONE,
2315 user_surface_converter,
2316 &cmd->buf[i].sid, &res);
2317 if (unlikely(ret != 0))
2318 return ret;
2319
2320 binding.bi.ctx = ctx_node->ctx;
2321 binding.bi.bt = vmw_ctx_binding_vb;
2322 binding.bi.res = res;
2323 binding.offset = cmd->buf[i].offset;
2324 binding.stride = cmd->buf[i].stride;
2325 binding.slot = i + cmd->body.startBuffer;
2326
2327 vmw_binding_add(ctx_node->staged, &binding.bi, 0, binding.slot);
2328 }
2329
2330 return 0;
2331}
2332
2333/**
2334 * vmw_cmd_dx_set_index_buffer - Validate
2335 * SVGA_3D_CMD_DX_IA_SET_INDEX_BUFFER command.
2336 *
2337 * @dev_priv: Pointer to a device private struct.
2338 * @sw_context: The software context being used for this batch.
2339 * @header: Pointer to the command header in the command stream.
2340 */
2341static int vmw_cmd_dx_set_index_buffer(struct vmw_private *dev_priv,
2342 struct vmw_sw_context *sw_context,
2343 SVGA3dCmdHeader *header)
2344{
2345 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
2346 struct vmw_ctx_bindinfo_ib binding;
2347 struct vmw_resource *res;
2348 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXSetIndexBuffer);
2349 int ret;
2350
2351 if (!ctx_node)
2352 return -EINVAL;
2353
2354 cmd = container_of(header, typeof(*cmd), header);
2355 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2356 VMW_RES_DIRTY_NONE, user_surface_converter,
2357 &cmd->body.sid, &res);
2358 if (unlikely(ret != 0))
2359 return ret;
2360
2361 binding.bi.ctx = ctx_node->ctx;
2362 binding.bi.res = res;
2363 binding.bi.bt = vmw_ctx_binding_ib;
2364 binding.offset = cmd->body.offset;
2365 binding.format = cmd->body.format;
2366
2367 vmw_binding_add(ctx_node->staged, &binding.bi, 0, 0);
2368
2369 return 0;
2370}
2371
2372/**
2373 * vmw_cmd_dx_set_rendertargets - Validate SVGA_3D_CMD_DX_SET_RENDERTARGETS
2374 * command
2375 *
2376 * @dev_priv: Pointer to a device private struct.
2377 * @sw_context: The software context being used for this batch.
2378 * @header: Pointer to the command header in the command stream.
2379 */
2380static int vmw_cmd_dx_set_rendertargets(struct vmw_private *dev_priv,
2381 struct vmw_sw_context *sw_context,
2382 SVGA3dCmdHeader *header)
2383{
2384 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXSetRenderTargets) =
2385 container_of(header, typeof(*cmd), header);
2386 u32 num_rt_view = (cmd->header.size - sizeof(cmd->body)) /
2387 sizeof(SVGA3dRenderTargetViewId);
2388 int ret;
2389
2390 if (num_rt_view > SVGA3D_DX_MAX_RENDER_TARGETS) {
2391 VMW_DEBUG_USER("Invalid DX Rendertarget binding.\n");
2392 return -EINVAL;
2393 }
2394
2395 ret = vmw_view_bindings_add(sw_context, vmw_view_ds, vmw_ctx_binding_ds,
2396 0, &cmd->body.depthStencilViewId, 1, 0);
2397 if (ret)
2398 return ret;
2399
2400 return vmw_view_bindings_add(sw_context, vmw_view_rt,
2401 vmw_ctx_binding_dx_rt, 0, (void *)&cmd[1],
2402 num_rt_view, 0);
2403}
2404
2405/**
2406 * vmw_cmd_dx_clear_rendertarget_view - Validate
2407 * SVGA_3D_CMD_DX_CLEAR_RENDERTARGET_VIEW command
2408 *
2409 * @dev_priv: Pointer to a device private struct.
2410 * @sw_context: The software context being used for this batch.
2411 * @header: Pointer to the command header in the command stream.
2412 */
2413static int vmw_cmd_dx_clear_rendertarget_view(struct vmw_private *dev_priv,
2414 struct vmw_sw_context *sw_context,
2415 SVGA3dCmdHeader *header)
2416{
2417 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXClearRenderTargetView) =
2418 container_of(header, typeof(*cmd), header);
2419 struct vmw_resource *ret;
2420
2421 ret = vmw_view_id_val_add(sw_context, vmw_view_rt,
2422 cmd->body.renderTargetViewId);
2423
2424 return PTR_ERR_OR_ZERO(ret);
2425}
2426
2427/**
2428 * vmw_cmd_dx_clear_depthstencil_view - Validate
2429 * SVGA_3D_CMD_DX_CLEAR_DEPTHSTENCIL_VIEW command
2430 *
2431 * @dev_priv: Pointer to a device private struct.
2432 * @sw_context: The software context being used for this batch.
2433 * @header: Pointer to the command header in the command stream.
2434 */
2435static int vmw_cmd_dx_clear_depthstencil_view(struct vmw_private *dev_priv,
2436 struct vmw_sw_context *sw_context,
2437 SVGA3dCmdHeader *header)
2438{
2439 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXClearDepthStencilView) =
2440 container_of(header, typeof(*cmd), header);
2441 struct vmw_resource *ret;
2442
2443 ret = vmw_view_id_val_add(sw_context, vmw_view_ds,
2444 cmd->body.depthStencilViewId);
2445
2446 return PTR_ERR_OR_ZERO(ret);
2447}
2448
2449static int vmw_cmd_dx_view_define(struct vmw_private *dev_priv,
2450 struct vmw_sw_context *sw_context,
2451 SVGA3dCmdHeader *header)
2452{
2453 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
2454 struct vmw_resource *srf;
2455 struct vmw_resource *res;
2456 enum vmw_view_type view_type;
2457 int ret;
2458 /*
2459 * This is based on the fact that all affected define commands have the
2460 * same initial command body layout.
2461 */
2462 struct {
2463 SVGA3dCmdHeader header;
2464 uint32 defined_id;
2465 uint32 sid;
2466 } *cmd;
2467
2468 if (!ctx_node)
2469 return -EINVAL;
2470
2471 view_type = vmw_view_cmd_to_type(header->id);
2472 if (view_type == vmw_view_max)
2473 return -EINVAL;
2474
2475 cmd = container_of(header, typeof(*cmd), header);
2476 if (unlikely(cmd->sid == SVGA3D_INVALID_ID)) {
2477 VMW_DEBUG_USER("Invalid surface id.\n");
2478 return -EINVAL;
2479 }
2480 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2481 VMW_RES_DIRTY_NONE, user_surface_converter,
2482 &cmd->sid, &srf);
2483 if (unlikely(ret != 0))
2484 return ret;
2485
2486 res = vmw_context_cotable(ctx_node->ctx, vmw_view_cotables[view_type]);
2487 ret = vmw_cotable_notify(res, cmd->defined_id);
2488 if (unlikely(ret != 0))
2489 return ret;
2490
2491 return vmw_view_add(sw_context->man, ctx_node->ctx, srf, view_type,
2492 cmd->defined_id, header,
2493 header->size + sizeof(*header),
2494 &sw_context->staged_cmd_res);
2495}
2496
2497/**
2498 * vmw_cmd_dx_set_so_targets - Validate SVGA_3D_CMD_DX_SET_SOTARGETS command.
2499 *
2500 * @dev_priv: Pointer to a device private struct.
2501 * @sw_context: The software context being used for this batch.
2502 * @header: Pointer to the command header in the command stream.
2503 */
2504static int vmw_cmd_dx_set_so_targets(struct vmw_private *dev_priv,
2505 struct vmw_sw_context *sw_context,
2506 SVGA3dCmdHeader *header)
2507{
2508 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
2509 struct vmw_ctx_bindinfo_so_target binding;
2510 struct vmw_resource *res;
2511 struct {
2512 SVGA3dCmdHeader header;
2513 SVGA3dCmdDXSetSOTargets body;
2514 SVGA3dSoTarget targets[];
2515 } *cmd;
2516 int i, ret, num;
2517
2518 if (!ctx_node)
2519 return -EINVAL;
2520
2521 cmd = container_of(header, typeof(*cmd), header);
2522 num = (cmd->header.size - sizeof(cmd->body)) / sizeof(SVGA3dSoTarget);
2523
2524 if (num > SVGA3D_DX_MAX_SOTARGETS) {
2525 VMW_DEBUG_USER("Invalid DX SO binding.\n");
2526 return -EINVAL;
2527 }
2528
2529 for (i = 0; i < num; i++) {
2530 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2531 VMW_RES_DIRTY_SET,
2532 user_surface_converter,
2533 &cmd->targets[i].sid, &res);
2534 if (unlikely(ret != 0))
2535 return ret;
2536
2537 binding.bi.ctx = ctx_node->ctx;
2538 binding.bi.res = res;
2539 binding.bi.bt = vmw_ctx_binding_so_target;
2540 binding.offset = cmd->targets[i].offset;
2541 binding.size = cmd->targets[i].sizeInBytes;
2542 binding.slot = i;
2543
2544 vmw_binding_add(ctx_node->staged, &binding.bi, 0, binding.slot);
2545 }
2546
2547 return 0;
2548}
2549
2550static int vmw_cmd_dx_so_define(struct vmw_private *dev_priv,
2551 struct vmw_sw_context *sw_context,
2552 SVGA3dCmdHeader *header)
2553{
2554 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
2555 struct vmw_resource *res;
2556 /*
2557 * This is based on the fact that all affected define commands have
2558 * the same initial command body layout.
2559 */
2560 struct {
2561 SVGA3dCmdHeader header;
2562 uint32 defined_id;
2563 } *cmd;
2564 enum vmw_so_type so_type;
2565 int ret;
2566
2567 if (!ctx_node)
2568 return -EINVAL;
2569
2570 so_type = vmw_so_cmd_to_type(header->id);
2571 res = vmw_context_cotable(ctx_node->ctx, vmw_so_cotables[so_type]);
2572 if (IS_ERR(res))
2573 return PTR_ERR(res);
2574 cmd = container_of(header, typeof(*cmd), header);
2575 ret = vmw_cotable_notify(res, cmd->defined_id);
2576
2577 return ret;
2578}
2579
2580/**
2581 * vmw_cmd_dx_check_subresource - Validate SVGA_3D_CMD_DX_[X]_SUBRESOURCE
2582 * command
2583 *
2584 * @dev_priv: Pointer to a device private struct.
2585 * @sw_context: The software context being used for this batch.
2586 * @header: Pointer to the command header in the command stream.
2587 */
2588static int vmw_cmd_dx_check_subresource(struct vmw_private *dev_priv,
2589 struct vmw_sw_context *sw_context,
2590 SVGA3dCmdHeader *header)
2591{
2592 struct {
2593 SVGA3dCmdHeader header;
2594 union {
2595 SVGA3dCmdDXReadbackSubResource r_body;
2596 SVGA3dCmdDXInvalidateSubResource i_body;
2597 SVGA3dCmdDXUpdateSubResource u_body;
2598 SVGA3dSurfaceId sid;
2599 };
2600 } *cmd;
2601
2602 BUILD_BUG_ON(offsetof(typeof(*cmd), r_body.sid) !=
2603 offsetof(typeof(*cmd), sid));
2604 BUILD_BUG_ON(offsetof(typeof(*cmd), i_body.sid) !=
2605 offsetof(typeof(*cmd), sid));
2606 BUILD_BUG_ON(offsetof(typeof(*cmd), u_body.sid) !=
2607 offsetof(typeof(*cmd), sid));
2608
2609 cmd = container_of(header, typeof(*cmd), header);
2610 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2611 VMW_RES_DIRTY_NONE, user_surface_converter,
2612 &cmd->sid, NULL);
2613}
2614
2615static int vmw_cmd_dx_cid_check(struct vmw_private *dev_priv,
2616 struct vmw_sw_context *sw_context,
2617 SVGA3dCmdHeader *header)
2618{
2619 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
2620
2621 if (!ctx_node)
2622 return -EINVAL;
2623
2624 return 0;
2625}
2626
2627/**
2628 * vmw_cmd_dx_view_remove - validate a view remove command and schedule the view
2629 * resource for removal.
2630 *
2631 * @dev_priv: Pointer to a device private struct.
2632 * @sw_context: The software context being used for this batch.
2633 * @header: Pointer to the command header in the command stream.
2634 *
2635 * Check that the view exists, and if it was not created using this command
2636 * batch, conditionally make this command a NOP.
2637 */
2638static int vmw_cmd_dx_view_remove(struct vmw_private *dev_priv,
2639 struct vmw_sw_context *sw_context,
2640 SVGA3dCmdHeader *header)
2641{
2642 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
2643 struct {
2644 SVGA3dCmdHeader header;
2645 union vmw_view_destroy body;
2646 } *cmd = container_of(header, typeof(*cmd), header);
2647 enum vmw_view_type view_type = vmw_view_cmd_to_type(header->id);
2648 struct vmw_resource *view;
2649 int ret;
2650
2651 if (!ctx_node)
2652 return -EINVAL;
2653
2654 ret = vmw_view_remove(sw_context->man, cmd->body.view_id, view_type,
2655 &sw_context->staged_cmd_res, &view);
2656 if (ret || !view)
2657 return ret;
2658
2659 /*
2660 * If the view wasn't created during this command batch, it might
2661 * have been removed due to a context swapout, so add a
2662 * relocation to conditionally make this command a NOP to avoid
2663 * device errors.
2664 */
2665 return vmw_resource_relocation_add(sw_context, view,
2666 vmw_ptr_diff(sw_context->buf_start,
2667 &cmd->header.id),
2668 vmw_res_rel_cond_nop);
2669}
2670
2671/**
2672 * vmw_cmd_dx_define_shader - Validate SVGA_3D_CMD_DX_DEFINE_SHADER command
2673 *
2674 * @dev_priv: Pointer to a device private struct.
2675 * @sw_context: The software context being used for this batch.
2676 * @header: Pointer to the command header in the command stream.
2677 */
2678static int vmw_cmd_dx_define_shader(struct vmw_private *dev_priv,
2679 struct vmw_sw_context *sw_context,
2680 SVGA3dCmdHeader *header)
2681{
2682 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
2683 struct vmw_resource *res;
2684 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXDefineShader) =
2685 container_of(header, typeof(*cmd), header);
2686 int ret;
2687
2688 if (!ctx_node)
2689 return -EINVAL;
2690
2691 res = vmw_context_cotable(ctx_node->ctx, SVGA_COTABLE_DXSHADER);
2692 ret = vmw_cotable_notify(res, cmd->body.shaderId);
2693 if (ret)
2694 return ret;
2695
2696 return vmw_dx_shader_add(sw_context->man, ctx_node->ctx,
2697 cmd->body.shaderId, cmd->body.type,
2698 &sw_context->staged_cmd_res);
2699}
2700
2701/**
2702 * vmw_cmd_dx_destroy_shader - Validate SVGA_3D_CMD_DX_DESTROY_SHADER command
2703 *
2704 * @dev_priv: Pointer to a device private struct.
2705 * @sw_context: The software context being used for this batch.
2706 * @header: Pointer to the command header in the command stream.
2707 */
2708static int vmw_cmd_dx_destroy_shader(struct vmw_private *dev_priv,
2709 struct vmw_sw_context *sw_context,
2710 SVGA3dCmdHeader *header)
2711{
2712 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
2713 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXDestroyShader) =
2714 container_of(header, typeof(*cmd), header);
2715 int ret;
2716
2717 if (!ctx_node)
2718 return -EINVAL;
2719
2720 ret = vmw_shader_remove(sw_context->man, cmd->body.shaderId, 0,
2721 &sw_context->staged_cmd_res);
2722
2723 return ret;
2724}
2725
2726/**
2727 * vmw_cmd_dx_bind_shader - Validate SVGA_3D_CMD_DX_BIND_SHADER command
2728 *
2729 * @dev_priv: Pointer to a device private struct.
2730 * @sw_context: The software context being used for this batch.
2731 * @header: Pointer to the command header in the command stream.
2732 */
2733static int vmw_cmd_dx_bind_shader(struct vmw_private *dev_priv,
2734 struct vmw_sw_context *sw_context,
2735 SVGA3dCmdHeader *header)
2736{
2737 struct vmw_resource *ctx;
2738 struct vmw_resource *res;
2739 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXBindShader) =
2740 container_of(header, typeof(*cmd), header);
2741 int ret;
2742
2743 if (cmd->body.cid != SVGA3D_INVALID_ID) {
2744 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
2745 VMW_RES_DIRTY_SET,
2746 user_context_converter, &cmd->body.cid,
2747 &ctx);
2748 if (ret)
2749 return ret;
2750 } else {
2751 struct vmw_ctx_validation_info *ctx_node =
2752 VMW_GET_CTX_NODE(sw_context);
2753
2754 if (!ctx_node)
2755 return -EINVAL;
2756
2757 ctx = ctx_node->ctx;
2758 }
2759
2760 res = vmw_shader_lookup(vmw_context_res_man(ctx), cmd->body.shid, 0);
2761 if (IS_ERR(res)) {
2762 VMW_DEBUG_USER("Could not find shader to bind.\n");
2763 return PTR_ERR(res);
2764 }
2765
2766 ret = vmw_execbuf_res_val_add(sw_context, res, VMW_RES_DIRTY_NONE,
2767 vmw_val_add_flag_noctx);
2768 if (ret) {
2769 VMW_DEBUG_USER("Error creating resource validation node.\n");
2770 return ret;
2771 }
2772
2773 return vmw_cmd_res_switch_backup(dev_priv, sw_context, res,
2774 &cmd->body.mobid,
2775 cmd->body.offsetInBytes);
2776}
2777
2778/**
2779 * vmw_cmd_dx_genmips - Validate SVGA_3D_CMD_DX_GENMIPS command
2780 *
2781 * @dev_priv: Pointer to a device private struct.
2782 * @sw_context: The software context being used for this batch.
2783 * @header: Pointer to the command header in the command stream.
2784 */
2785static int vmw_cmd_dx_genmips(struct vmw_private *dev_priv,
2786 struct vmw_sw_context *sw_context,
2787 SVGA3dCmdHeader *header)
2788{
2789 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXGenMips) =
2790 container_of(header, typeof(*cmd), header);
2791 struct vmw_resource *view;
2792 struct vmw_res_cache_entry *rcache;
2793
2794 view = vmw_view_id_val_add(sw_context, vmw_view_sr,
2795 cmd->body.shaderResourceViewId);
2796 if (IS_ERR(view))
2797 return PTR_ERR(view);
2798
2799 /*
2800 * Normally the shader-resource view is not gpu-dirtying, but for
2801 * this particular command it is...
2802 * So mark the last looked-up surface, which is the surface
2803 * the view points to, gpu-dirty.
2804 */
2805 rcache = &sw_context->res_cache[vmw_res_surface];
2806 vmw_validation_res_set_dirty(sw_context->ctx, rcache->private,
2807 VMW_RES_DIRTY_SET);
2808 return 0;
2809}
2810
2811/**
2812 * vmw_cmd_dx_transfer_from_buffer - Validate
2813 * SVGA_3D_CMD_DX_TRANSFER_FROM_BUFFER command
2814 *
2815 * @dev_priv: Pointer to a device private struct.
2816 * @sw_context: The software context being used for this batch.
2817 * @header: Pointer to the command header in the command stream.
2818 */
2819static int vmw_cmd_dx_transfer_from_buffer(struct vmw_private *dev_priv,
2820 struct vmw_sw_context *sw_context,
2821 SVGA3dCmdHeader *header)
2822{
2823 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXTransferFromBuffer) =
2824 container_of(header, typeof(*cmd), header);
2825 int ret;
2826
2827 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2828 VMW_RES_DIRTY_NONE, user_surface_converter,
2829 &cmd->body.srcSid, NULL);
2830 if (ret != 0)
2831 return ret;
2832
2833 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2834 VMW_RES_DIRTY_SET, user_surface_converter,
2835 &cmd->body.destSid, NULL);
2836}
2837
2838/**
2839 * vmw_cmd_intra_surface_copy - Validate SVGA_3D_CMD_INTRA_SURFACE_COPY command
2840 *
2841 * @dev_priv: Pointer to a device private struct.
2842 * @sw_context: The software context being used for this batch.
2843 * @header: Pointer to the command header in the command stream.
2844 */
2845static int vmw_cmd_intra_surface_copy(struct vmw_private *dev_priv,
2846 struct vmw_sw_context *sw_context,
2847 SVGA3dCmdHeader *header)
2848{
2849 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdIntraSurfaceCopy) =
2850 container_of(header, typeof(*cmd), header);
2851
2852 if (!(dev_priv->capabilities2 & SVGA_CAP2_INTRA_SURFACE_COPY))
2853 return -EINVAL;
2854
2855 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2856 VMW_RES_DIRTY_SET, user_surface_converter,
2857 &cmd->body.surface.sid, NULL);
2858}
2859
2860static int vmw_cmd_sm5(struct vmw_private *dev_priv,
2861 struct vmw_sw_context *sw_context,
2862 SVGA3dCmdHeader *header)
2863{
2864 if (!has_sm5_context(dev_priv))
2865 return -EINVAL;
2866
2867 return 0;
2868}
2869
2870static int vmw_cmd_sm5_view_define(struct vmw_private *dev_priv,
2871 struct vmw_sw_context *sw_context,
2872 SVGA3dCmdHeader *header)
2873{
2874 if (!has_sm5_context(dev_priv))
2875 return -EINVAL;
2876
2877 return vmw_cmd_dx_view_define(dev_priv, sw_context, header);
2878}
2879
2880static int vmw_cmd_sm5_view_remove(struct vmw_private *dev_priv,
2881 struct vmw_sw_context *sw_context,
2882 SVGA3dCmdHeader *header)
2883{
2884 if (!has_sm5_context(dev_priv))
2885 return -EINVAL;
2886
2887 return vmw_cmd_dx_view_remove(dev_priv, sw_context, header);
2888}
2889
2890static int vmw_cmd_clear_uav_uint(struct vmw_private *dev_priv,
2891 struct vmw_sw_context *sw_context,
2892 SVGA3dCmdHeader *header)
2893{
2894 struct {
2895 SVGA3dCmdHeader header;
2896 SVGA3dCmdDXClearUAViewUint body;
2897 } *cmd = container_of(header, typeof(*cmd), header);
2898 struct vmw_resource *ret;
2899
2900 if (!has_sm5_context(dev_priv))
2901 return -EINVAL;
2902
2903 ret = vmw_view_id_val_add(sw_context, vmw_view_ua,
2904 cmd->body.uaViewId);
2905
2906 return PTR_ERR_OR_ZERO(ret);
2907}
2908
2909static int vmw_cmd_clear_uav_float(struct vmw_private *dev_priv,
2910 struct vmw_sw_context *sw_context,
2911 SVGA3dCmdHeader *header)
2912{
2913 struct {
2914 SVGA3dCmdHeader header;
2915 SVGA3dCmdDXClearUAViewFloat body;
2916 } *cmd = container_of(header, typeof(*cmd), header);
2917 struct vmw_resource *ret;
2918
2919 if (!has_sm5_context(dev_priv))
2920 return -EINVAL;
2921
2922 ret = vmw_view_id_val_add(sw_context, vmw_view_ua,
2923 cmd->body.uaViewId);
2924
2925 return PTR_ERR_OR_ZERO(ret);
2926}
2927
2928static int vmw_cmd_set_uav(struct vmw_private *dev_priv,
2929 struct vmw_sw_context *sw_context,
2930 SVGA3dCmdHeader *header)
2931{
2932 struct {
2933 SVGA3dCmdHeader header;
2934 SVGA3dCmdDXSetUAViews body;
2935 } *cmd = container_of(header, typeof(*cmd), header);
2936 u32 num_uav = (cmd->header.size - sizeof(cmd->body)) /
2937 sizeof(SVGA3dUAViewId);
2938 int ret;
2939
2940 if (!has_sm5_context(dev_priv))
2941 return -EINVAL;
2942
2943 if (num_uav > vmw_max_num_uavs(dev_priv)) {
2944 VMW_DEBUG_USER("Invalid UAV binding.\n");
2945 return -EINVAL;
2946 }
2947
2948 ret = vmw_view_bindings_add(sw_context, vmw_view_ua,
2949 vmw_ctx_binding_uav, 0, (void *)&cmd[1],
2950 num_uav, 0);
2951 if (ret)
2952 return ret;
2953
2954 vmw_binding_add_uav_index(sw_context->dx_ctx_node->staged, 0,
2955 cmd->body.uavSpliceIndex);
2956
2957 return ret;
2958}
2959
2960static int vmw_cmd_set_cs_uav(struct vmw_private *dev_priv,
2961 struct vmw_sw_context *sw_context,
2962 SVGA3dCmdHeader *header)
2963{
2964 struct {
2965 SVGA3dCmdHeader header;
2966 SVGA3dCmdDXSetCSUAViews body;
2967 } *cmd = container_of(header, typeof(*cmd), header);
2968 u32 num_uav = (cmd->header.size - sizeof(cmd->body)) /
2969 sizeof(SVGA3dUAViewId);
2970 int ret;
2971
2972 if (!has_sm5_context(dev_priv))
2973 return -EINVAL;
2974
2975 if (num_uav > vmw_max_num_uavs(dev_priv)) {
2976 VMW_DEBUG_USER("Invalid UAV binding.\n");
2977 return -EINVAL;
2978 }
2979
2980 ret = vmw_view_bindings_add(sw_context, vmw_view_ua,
2981 vmw_ctx_binding_cs_uav, 0, (void *)&cmd[1],
2982 num_uav, 0);
2983 if (ret)
2984 return ret;
2985
2986 vmw_binding_add_uav_index(sw_context->dx_ctx_node->staged, 1,
2987 cmd->body.startIndex);
2988
2989 return ret;
2990}
2991
2992static int vmw_cmd_dx_define_streamoutput(struct vmw_private *dev_priv,
2993 struct vmw_sw_context *sw_context,
2994 SVGA3dCmdHeader *header)
2995{
2996 struct vmw_ctx_validation_info *ctx_node = sw_context->dx_ctx_node;
2997 struct vmw_resource *res;
2998 struct {
2999 SVGA3dCmdHeader header;
3000 SVGA3dCmdDXDefineStreamOutputWithMob body;
3001 } *cmd = container_of(header, typeof(*cmd), header);
3002 int ret;
3003
3004 if (!has_sm5_context(dev_priv))
3005 return -EINVAL;
3006
3007 if (!ctx_node) {
3008 DRM_ERROR("DX Context not set.\n");
3009 return -EINVAL;
3010 }
3011
3012 res = vmw_context_cotable(ctx_node->ctx, SVGA_COTABLE_STREAMOUTPUT);
3013 ret = vmw_cotable_notify(res, cmd->body.soid);
3014 if (ret)
3015 return ret;
3016
3017 return vmw_dx_streamoutput_add(sw_context->man, ctx_node->ctx,
3018 cmd->body.soid,
3019 &sw_context->staged_cmd_res);
3020}
3021
3022static int vmw_cmd_dx_destroy_streamoutput(struct vmw_private *dev_priv,
3023 struct vmw_sw_context *sw_context,
3024 SVGA3dCmdHeader *header)
3025{
3026 struct vmw_ctx_validation_info *ctx_node = sw_context->dx_ctx_node;
3027 struct vmw_resource *res;
3028 struct {
3029 SVGA3dCmdHeader header;
3030 SVGA3dCmdDXDestroyStreamOutput body;
3031 } *cmd = container_of(header, typeof(*cmd), header);
3032
3033 if (!ctx_node) {
3034 DRM_ERROR("DX Context not set.\n");
3035 return -EINVAL;
3036 }
3037
3038 /*
3039 * When device does not support SM5 then streamoutput with mob command is
3040 * not available to user-space. Simply return in this case.
3041 */
3042 if (!has_sm5_context(dev_priv))
3043 return 0;
3044
3045 /*
3046 * With SM5 capable device if lookup fails then user-space probably used
3047 * old streamoutput define command. Return without an error.
3048 */
3049 res = vmw_dx_streamoutput_lookup(vmw_context_res_man(ctx_node->ctx),
3050 cmd->body.soid);
3051 if (IS_ERR(res))
3052 return 0;
3053
3054 return vmw_dx_streamoutput_remove(sw_context->man, cmd->body.soid,
3055 &sw_context->staged_cmd_res);
3056}
3057
3058static int vmw_cmd_dx_bind_streamoutput(struct vmw_private *dev_priv,
3059 struct vmw_sw_context *sw_context,
3060 SVGA3dCmdHeader *header)
3061{
3062 struct vmw_ctx_validation_info *ctx_node = sw_context->dx_ctx_node;
3063 struct vmw_resource *res;
3064 struct {
3065 SVGA3dCmdHeader header;
3066 SVGA3dCmdDXBindStreamOutput body;
3067 } *cmd = container_of(header, typeof(*cmd), header);
3068 int ret;
3069
3070 if (!has_sm5_context(dev_priv))
3071 return -EINVAL;
3072
3073 if (!ctx_node) {
3074 DRM_ERROR("DX Context not set.\n");
3075 return -EINVAL;
3076 }
3077
3078 res = vmw_dx_streamoutput_lookup(vmw_context_res_man(ctx_node->ctx),
3079 cmd->body.soid);
3080 if (IS_ERR(res)) {
3081 DRM_ERROR("Could not find streamoutput to bind.\n");
3082 return PTR_ERR(res);
3083 }
3084
3085 vmw_dx_streamoutput_set_size(res, cmd->body.sizeInBytes);
3086
3087 ret = vmw_execbuf_res_val_add(sw_context, res, VMW_RES_DIRTY_NONE,
3088 vmw_val_add_flag_noctx);
3089 if (ret) {
3090 DRM_ERROR("Error creating resource validation node.\n");
3091 return ret;
3092 }
3093
3094 return vmw_cmd_res_switch_backup(dev_priv, sw_context, res,
3095 &cmd->body.mobid,
3096 cmd->body.offsetInBytes);
3097}
3098
3099static int vmw_cmd_dx_set_streamoutput(struct vmw_private *dev_priv,
3100 struct vmw_sw_context *sw_context,
3101 SVGA3dCmdHeader *header)
3102{
3103 struct vmw_ctx_validation_info *ctx_node = sw_context->dx_ctx_node;
3104 struct vmw_resource *res;
3105 struct vmw_ctx_bindinfo_so binding;
3106 struct {
3107 SVGA3dCmdHeader header;
3108 SVGA3dCmdDXSetStreamOutput body;
3109 } *cmd = container_of(header, typeof(*cmd), header);
3110 int ret;
3111
3112 if (!ctx_node) {
3113 DRM_ERROR("DX Context not set.\n");
3114 return -EINVAL;
3115 }
3116
3117 if (cmd->body.soid == SVGA3D_INVALID_ID)
3118 return 0;
3119
3120 /*
3121 * When device does not support SM5 then streamoutput with mob command is
3122 * not available to user-space. Simply return in this case.
3123 */
3124 if (!has_sm5_context(dev_priv))
3125 return 0;
3126
3127 /*
3128 * With SM5 capable device if lookup fails then user-space probably used
3129 * old streamoutput define command. Return without an error.
3130 */
3131 res = vmw_dx_streamoutput_lookup(vmw_context_res_man(ctx_node->ctx),
3132 cmd->body.soid);
3133 if (IS_ERR(res)) {
3134 return 0;
3135 }
3136
3137 ret = vmw_execbuf_res_val_add(sw_context, res, VMW_RES_DIRTY_NONE,
3138 vmw_val_add_flag_noctx);
3139 if (ret) {
3140 DRM_ERROR("Error creating resource validation node.\n");
3141 return ret;
3142 }
3143
3144 binding.bi.ctx = ctx_node->ctx;
3145 binding.bi.res = res;
3146 binding.bi.bt = vmw_ctx_binding_so;
3147 binding.slot = 0; /* Only one SO set to context at a time. */
3148
3149 vmw_binding_add(sw_context->dx_ctx_node->staged, &binding.bi, 0,
3150 binding.slot);
3151
3152 return ret;
3153}
3154
3155static int vmw_cmd_indexed_instanced_indirect(struct vmw_private *dev_priv,
3156 struct vmw_sw_context *sw_context,
3157 SVGA3dCmdHeader *header)
3158{
3159 struct vmw_draw_indexed_instanced_indirect_cmd {
3160 SVGA3dCmdHeader header;
3161 SVGA3dCmdDXDrawIndexedInstancedIndirect body;
3162 } *cmd = container_of(header, typeof(*cmd), header);
3163
3164 if (!has_sm5_context(dev_priv))
3165 return -EINVAL;
3166
3167 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
3168 VMW_RES_DIRTY_NONE, user_surface_converter,
3169 &cmd->body.argsBufferSid, NULL);
3170}
3171
3172static int vmw_cmd_instanced_indirect(struct vmw_private *dev_priv,
3173 struct vmw_sw_context *sw_context,
3174 SVGA3dCmdHeader *header)
3175{
3176 struct vmw_draw_instanced_indirect_cmd {
3177 SVGA3dCmdHeader header;
3178 SVGA3dCmdDXDrawInstancedIndirect body;
3179 } *cmd = container_of(header, typeof(*cmd), header);
3180
3181 if (!has_sm5_context(dev_priv))
3182 return -EINVAL;
3183
3184 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
3185 VMW_RES_DIRTY_NONE, user_surface_converter,
3186 &cmd->body.argsBufferSid, NULL);
3187}
3188
3189static int vmw_cmd_dispatch_indirect(struct vmw_private *dev_priv,
3190 struct vmw_sw_context *sw_context,
3191 SVGA3dCmdHeader *header)
3192{
3193 struct vmw_dispatch_indirect_cmd {
3194 SVGA3dCmdHeader header;
3195 SVGA3dCmdDXDispatchIndirect body;
3196 } *cmd = container_of(header, typeof(*cmd), header);
3197
3198 if (!has_sm5_context(dev_priv))
3199 return -EINVAL;
3200
3201 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
3202 VMW_RES_DIRTY_NONE, user_surface_converter,
3203 &cmd->body.argsBufferSid, NULL);
3204}
3205
3206static int vmw_cmd_check_not_3d(struct vmw_private *dev_priv,
3207 struct vmw_sw_context *sw_context,
3208 void *buf, uint32_t *size)
3209{
3210 uint32_t size_remaining = *size;
3211 uint32_t cmd_id;
3212
3213 cmd_id = ((uint32_t *)buf)[0];
3214 switch (cmd_id) {
3215 case SVGA_CMD_UPDATE:
3216 *size = sizeof(uint32_t) + sizeof(SVGAFifoCmdUpdate);
3217 break;
3218 case SVGA_CMD_DEFINE_GMRFB:
3219 *size = sizeof(uint32_t) + sizeof(SVGAFifoCmdDefineGMRFB);
3220 break;
3221 case SVGA_CMD_BLIT_GMRFB_TO_SCREEN:
3222 *size = sizeof(uint32_t) + sizeof(SVGAFifoCmdBlitGMRFBToScreen);
3223 break;
3224 case SVGA_CMD_BLIT_SCREEN_TO_GMRFB:
3225 *size = sizeof(uint32_t) + sizeof(SVGAFifoCmdBlitGMRFBToScreen);
3226 break;
3227 default:
3228 VMW_DEBUG_USER("Unsupported SVGA command: %u.\n", cmd_id);
3229 return -EINVAL;
3230 }
3231
3232 if (*size > size_remaining) {
3233 VMW_DEBUG_USER("Invalid SVGA command (size mismatch): %u.\n",
3234 cmd_id);
3235 return -EINVAL;
3236 }
3237
3238 if (unlikely(!sw_context->kernel)) {
3239 VMW_DEBUG_USER("Kernel only SVGA command: %u.\n", cmd_id);
3240 return -EPERM;
3241 }
3242
3243 if (cmd_id == SVGA_CMD_DEFINE_GMRFB)
3244 return vmw_cmd_check_define_gmrfb(dev_priv, sw_context, buf);
3245
3246 return 0;
3247}
3248
3249static const struct vmw_cmd_entry vmw_cmd_entries[SVGA_3D_CMD_MAX] = {
3250 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DEFINE, &vmw_cmd_invalid,
3251 false, false, false),
3252 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DESTROY, &vmw_cmd_invalid,
3253 false, false, false),
3254 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_COPY, &vmw_cmd_surface_copy_check,
3255 true, false, false),
3256 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_STRETCHBLT, &vmw_cmd_stretch_blt_check,
3257 true, false, false),
3258 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DMA, &vmw_cmd_dma,
3259 true, false, false),
3260 VMW_CMD_DEF(SVGA_3D_CMD_CONTEXT_DEFINE, &vmw_cmd_invalid,
3261 false, false, false),
3262 VMW_CMD_DEF(SVGA_3D_CMD_CONTEXT_DESTROY, &vmw_cmd_invalid,
3263 false, false, false),
3264 VMW_CMD_DEF(SVGA_3D_CMD_SETTRANSFORM, &vmw_cmd_cid_check,
3265 true, false, false),
3266 VMW_CMD_DEF(SVGA_3D_CMD_SETZRANGE, &vmw_cmd_cid_check,
3267 true, false, false),
3268 VMW_CMD_DEF(SVGA_3D_CMD_SETRENDERSTATE, &vmw_cmd_cid_check,
3269 true, false, false),
3270 VMW_CMD_DEF(SVGA_3D_CMD_SETRENDERTARGET,
3271 &vmw_cmd_set_render_target_check, true, false, false),
3272 VMW_CMD_DEF(SVGA_3D_CMD_SETTEXTURESTATE, &vmw_cmd_tex_state,
3273 true, false, false),
3274 VMW_CMD_DEF(SVGA_3D_CMD_SETMATERIAL, &vmw_cmd_cid_check,
3275 true, false, false),
3276 VMW_CMD_DEF(SVGA_3D_CMD_SETLIGHTDATA, &vmw_cmd_cid_check,
3277 true, false, false),
3278 VMW_CMD_DEF(SVGA_3D_CMD_SETLIGHTENABLED, &vmw_cmd_cid_check,
3279 true, false, false),
3280 VMW_CMD_DEF(SVGA_3D_CMD_SETVIEWPORT, &vmw_cmd_cid_check,
3281 true, false, false),
3282 VMW_CMD_DEF(SVGA_3D_CMD_SETCLIPPLANE, &vmw_cmd_cid_check,
3283 true, false, false),
3284 VMW_CMD_DEF(SVGA_3D_CMD_CLEAR, &vmw_cmd_cid_check,
3285 true, false, false),
3286 VMW_CMD_DEF(SVGA_3D_CMD_PRESENT, &vmw_cmd_present_check,
3287 false, false, false),
3288 VMW_CMD_DEF(SVGA_3D_CMD_SHADER_DEFINE, &vmw_cmd_shader_define,
3289 true, false, false),
3290 VMW_CMD_DEF(SVGA_3D_CMD_SHADER_DESTROY, &vmw_cmd_shader_destroy,
3291 true, false, false),
3292 VMW_CMD_DEF(SVGA_3D_CMD_SET_SHADER, &vmw_cmd_set_shader,
3293 true, false, false),
3294 VMW_CMD_DEF(SVGA_3D_CMD_SET_SHADER_CONST, &vmw_cmd_set_shader_const,
3295 true, false, false),
3296 VMW_CMD_DEF(SVGA_3D_CMD_DRAW_PRIMITIVES, &vmw_cmd_draw,
3297 true, false, false),
3298 VMW_CMD_DEF(SVGA_3D_CMD_SETSCISSORRECT, &vmw_cmd_cid_check,
3299 true, false, false),
3300 VMW_CMD_DEF(SVGA_3D_CMD_BEGIN_QUERY, &vmw_cmd_begin_query,
3301 true, false, false),
3302 VMW_CMD_DEF(SVGA_3D_CMD_END_QUERY, &vmw_cmd_end_query,
3303 true, false, false),
3304 VMW_CMD_DEF(SVGA_3D_CMD_WAIT_FOR_QUERY, &vmw_cmd_wait_query,
3305 true, false, false),
3306 VMW_CMD_DEF(SVGA_3D_CMD_PRESENT_READBACK, &vmw_cmd_ok,
3307 true, false, false),
3308 VMW_CMD_DEF(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN,
3309 &vmw_cmd_blt_surf_screen_check, false, false, false),
3310 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DEFINE_V2, &vmw_cmd_invalid,
3311 false, false, false),
3312 VMW_CMD_DEF(SVGA_3D_CMD_GENERATE_MIPMAPS, &vmw_cmd_invalid,
3313 false, false, false),
3314 VMW_CMD_DEF(SVGA_3D_CMD_ACTIVATE_SURFACE, &vmw_cmd_invalid,
3315 false, false, false),
3316 VMW_CMD_DEF(SVGA_3D_CMD_DEACTIVATE_SURFACE, &vmw_cmd_invalid,
3317 false, false, false),
3318 VMW_CMD_DEF(SVGA_3D_CMD_SCREEN_DMA, &vmw_cmd_invalid,
3319 false, false, false),
3320 VMW_CMD_DEF(SVGA_3D_CMD_DEAD1, &vmw_cmd_invalid,
3321 false, false, false),
3322 VMW_CMD_DEF(SVGA_3D_CMD_DEAD2, &vmw_cmd_invalid,
3323 false, false, false),
3324 VMW_CMD_DEF(SVGA_3D_CMD_DEAD12, &vmw_cmd_invalid, false, false, false),
3325 VMW_CMD_DEF(SVGA_3D_CMD_DEAD13, &vmw_cmd_invalid, false, false, false),
3326 VMW_CMD_DEF(SVGA_3D_CMD_DEAD14, &vmw_cmd_invalid, false, false, false),
3327 VMW_CMD_DEF(SVGA_3D_CMD_DEAD15, &vmw_cmd_invalid, false, false, false),
3328 VMW_CMD_DEF(SVGA_3D_CMD_DEAD16, &vmw_cmd_invalid, false, false, false),
3329 VMW_CMD_DEF(SVGA_3D_CMD_DEAD17, &vmw_cmd_invalid, false, false, false),
3330 VMW_CMD_DEF(SVGA_3D_CMD_SET_OTABLE_BASE, &vmw_cmd_invalid,
3331 false, false, true),
3332 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_OTABLE, &vmw_cmd_invalid,
3333 false, false, true),
3334 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_MOB, &vmw_cmd_invalid,
3335 false, false, true),
3336 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_MOB, &vmw_cmd_invalid,
3337 false, false, true),
3338 VMW_CMD_DEF(SVGA_3D_CMD_REDEFINE_GB_MOB64, &vmw_cmd_invalid,
3339 false, false, true),
3340 VMW_CMD_DEF(SVGA_3D_CMD_UPDATE_GB_MOB_MAPPING, &vmw_cmd_invalid,
3341 false, false, true),
3342 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SURFACE, &vmw_cmd_invalid,
3343 false, false, true),
3344 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_SURFACE, &vmw_cmd_invalid,
3345 false, false, true),
3346 VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_SURFACE, &vmw_cmd_bind_gb_surface,
3347 true, false, true),
3348 VMW_CMD_DEF(SVGA_3D_CMD_COND_BIND_GB_SURFACE, &vmw_cmd_invalid,
3349 false, false, true),
3350 VMW_CMD_DEF(SVGA_3D_CMD_UPDATE_GB_IMAGE, &vmw_cmd_update_gb_image,
3351 true, false, true),
3352 VMW_CMD_DEF(SVGA_3D_CMD_UPDATE_GB_SURFACE,
3353 &vmw_cmd_update_gb_surface, true, false, true),
3354 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_GB_IMAGE,
3355 &vmw_cmd_readback_gb_image, true, false, true),
3356 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_GB_SURFACE,
3357 &vmw_cmd_readback_gb_surface, true, false, true),
3358 VMW_CMD_DEF(SVGA_3D_CMD_INVALIDATE_GB_IMAGE,
3359 &vmw_cmd_invalidate_gb_image, true, false, true),
3360 VMW_CMD_DEF(SVGA_3D_CMD_INVALIDATE_GB_SURFACE,
3361 &vmw_cmd_invalidate_gb_surface, true, false, true),
3362 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_CONTEXT, &vmw_cmd_invalid,
3363 false, false, true),
3364 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_CONTEXT, &vmw_cmd_invalid,
3365 false, false, true),
3366 VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_CONTEXT, &vmw_cmd_invalid,
3367 false, false, true),
3368 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_GB_CONTEXT, &vmw_cmd_invalid,
3369 false, false, true),
3370 VMW_CMD_DEF(SVGA_3D_CMD_INVALIDATE_GB_CONTEXT, &vmw_cmd_invalid,
3371 false, false, true),
3372 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SHADER, &vmw_cmd_invalid,
3373 false, false, true),
3374 VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_SHADER, &vmw_cmd_bind_gb_shader,
3375 true, false, true),
3376 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_SHADER, &vmw_cmd_invalid,
3377 false, false, true),
3378 VMW_CMD_DEF(SVGA_3D_CMD_SET_OTABLE_BASE64, &vmw_cmd_invalid,
3379 false, false, false),
3380 VMW_CMD_DEF(SVGA_3D_CMD_BEGIN_GB_QUERY, &vmw_cmd_begin_gb_query,
3381 true, false, true),
3382 VMW_CMD_DEF(SVGA_3D_CMD_END_GB_QUERY, &vmw_cmd_end_gb_query,
3383 true, false, true),
3384 VMW_CMD_DEF(SVGA_3D_CMD_WAIT_FOR_GB_QUERY, &vmw_cmd_wait_gb_query,
3385 true, false, true),
3386 VMW_CMD_DEF(SVGA_3D_CMD_NOP, &vmw_cmd_ok,
3387 true, false, true),
3388 VMW_CMD_DEF(SVGA_3D_CMD_NOP_ERROR, &vmw_cmd_ok,
3389 true, false, true),
3390 VMW_CMD_DEF(SVGA_3D_CMD_ENABLE_GART, &vmw_cmd_invalid,
3391 false, false, true),
3392 VMW_CMD_DEF(SVGA_3D_CMD_DISABLE_GART, &vmw_cmd_invalid,
3393 false, false, true),
3394 VMW_CMD_DEF(SVGA_3D_CMD_MAP_MOB_INTO_GART, &vmw_cmd_invalid,
3395 false, false, true),
3396 VMW_CMD_DEF(SVGA_3D_CMD_UNMAP_GART_RANGE, &vmw_cmd_invalid,
3397 false, false, true),
3398 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SCREENTARGET, &vmw_cmd_invalid,
3399 false, false, true),
3400 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_SCREENTARGET, &vmw_cmd_invalid,
3401 false, false, true),
3402 VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_SCREENTARGET, &vmw_cmd_invalid,
3403 false, false, true),
3404 VMW_CMD_DEF(SVGA_3D_CMD_UPDATE_GB_SCREENTARGET, &vmw_cmd_invalid,
3405 false, false, true),
3406 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_GB_IMAGE_PARTIAL, &vmw_cmd_invalid,
3407 false, false, true),
3408 VMW_CMD_DEF(SVGA_3D_CMD_INVALIDATE_GB_IMAGE_PARTIAL, &vmw_cmd_invalid,
3409 false, false, true),
3410 VMW_CMD_DEF(SVGA_3D_CMD_SET_GB_SHADERCONSTS_INLINE, &vmw_cmd_cid_check,
3411 true, false, true),
3412 VMW_CMD_DEF(SVGA_3D_CMD_GB_SCREEN_DMA, &vmw_cmd_invalid,
3413 false, false, true),
3414 VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_SURFACE_WITH_PITCH, &vmw_cmd_invalid,
3415 false, false, true),
3416 VMW_CMD_DEF(SVGA_3D_CMD_GB_MOB_FENCE, &vmw_cmd_invalid,
3417 false, false, true),
3418 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SURFACE_V2, &vmw_cmd_invalid,
3419 false, false, true),
3420
3421 /* SM commands */
3422 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_CONTEXT, &vmw_cmd_invalid,
3423 false, false, true),
3424 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_CONTEXT, &vmw_cmd_invalid,
3425 false, false, true),
3426 VMW_CMD_DEF(SVGA_3D_CMD_DX_BIND_CONTEXT, &vmw_cmd_invalid,
3427 false, false, true),
3428 VMW_CMD_DEF(SVGA_3D_CMD_DX_READBACK_CONTEXT, &vmw_cmd_invalid,
3429 false, false, true),
3430 VMW_CMD_DEF(SVGA_3D_CMD_DX_INVALIDATE_CONTEXT, &vmw_cmd_invalid,
3431 false, false, true),
3432 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SINGLE_CONSTANT_BUFFER,
3433 &vmw_cmd_dx_set_single_constant_buffer, true, false, true),
3434 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SHADER_RESOURCES,
3435 &vmw_cmd_dx_set_shader_res, true, false, true),
3436 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SHADER, &vmw_cmd_dx_set_shader,
3437 true, false, true),
3438 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SAMPLERS, &vmw_cmd_dx_cid_check,
3439 true, false, true),
3440 VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW, &vmw_cmd_dx_cid_check,
3441 true, false, true),
3442 VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW_INDEXED, &vmw_cmd_dx_cid_check,
3443 true, false, true),
3444 VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW_INSTANCED, &vmw_cmd_dx_cid_check,
3445 true, false, true),
3446 VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW_INDEXED_INSTANCED,
3447 &vmw_cmd_dx_cid_check, true, false, true),
3448 VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW_AUTO, &vmw_cmd_dx_cid_check,
3449 true, false, true),
3450 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_VERTEX_BUFFERS,
3451 &vmw_cmd_dx_set_vertex_buffers, true, false, true),
3452 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_INDEX_BUFFER,
3453 &vmw_cmd_dx_set_index_buffer, true, false, true),
3454 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_RENDERTARGETS,
3455 &vmw_cmd_dx_set_rendertargets, true, false, true),
3456 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_BLEND_STATE, &vmw_cmd_dx_cid_check,
3457 true, false, true),
3458 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_DEPTHSTENCIL_STATE,
3459 &vmw_cmd_dx_cid_check, true, false, true),
3460 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_RASTERIZER_STATE,
3461 &vmw_cmd_dx_cid_check, true, false, true),
3462 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_QUERY, &vmw_cmd_dx_define_query,
3463 true, false, true),
3464 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_QUERY, &vmw_cmd_dx_cid_check,
3465 true, false, true),
3466 VMW_CMD_DEF(SVGA_3D_CMD_DX_BIND_QUERY, &vmw_cmd_dx_bind_query,
3467 true, false, true),
3468 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_QUERY_OFFSET,
3469 &vmw_cmd_dx_cid_check, true, false, true),
3470 VMW_CMD_DEF(SVGA_3D_CMD_DX_BEGIN_QUERY, &vmw_cmd_dx_cid_check,
3471 true, false, true),
3472 VMW_CMD_DEF(SVGA_3D_CMD_DX_END_QUERY, &vmw_cmd_dx_cid_check,
3473 true, false, true),
3474 VMW_CMD_DEF(SVGA_3D_CMD_DX_READBACK_QUERY, &vmw_cmd_invalid,
3475 true, false, true),
3476 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_PREDICATION, &vmw_cmd_dx_cid_check,
3477 true, false, true),
3478 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_VIEWPORTS, &vmw_cmd_dx_cid_check,
3479 true, false, true),
3480 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SCISSORRECTS, &vmw_cmd_dx_cid_check,
3481 true, false, true),
3482 VMW_CMD_DEF(SVGA_3D_CMD_DX_CLEAR_RENDERTARGET_VIEW,
3483 &vmw_cmd_dx_clear_rendertarget_view, true, false, true),
3484 VMW_CMD_DEF(SVGA_3D_CMD_DX_CLEAR_DEPTHSTENCIL_VIEW,
3485 &vmw_cmd_dx_clear_depthstencil_view, true, false, true),
3486 VMW_CMD_DEF(SVGA_3D_CMD_DX_PRED_COPY, &vmw_cmd_invalid,
3487 true, false, true),
3488 VMW_CMD_DEF(SVGA_3D_CMD_DX_GENMIPS, &vmw_cmd_dx_genmips,
3489 true, false, true),
3490 VMW_CMD_DEF(SVGA_3D_CMD_DX_UPDATE_SUBRESOURCE,
3491 &vmw_cmd_dx_check_subresource, true, false, true),
3492 VMW_CMD_DEF(SVGA_3D_CMD_DX_READBACK_SUBRESOURCE,
3493 &vmw_cmd_dx_check_subresource, true, false, true),
3494 VMW_CMD_DEF(SVGA_3D_CMD_DX_INVALIDATE_SUBRESOURCE,
3495 &vmw_cmd_dx_check_subresource, true, false, true),
3496 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_SHADERRESOURCE_VIEW,
3497 &vmw_cmd_dx_view_define, true, false, true),
3498 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_SHADERRESOURCE_VIEW,
3499 &vmw_cmd_dx_view_remove, true, false, true),
3500 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_RENDERTARGET_VIEW,
3501 &vmw_cmd_dx_view_define, true, false, true),
3502 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_RENDERTARGET_VIEW,
3503 &vmw_cmd_dx_view_remove, true, false, true),
3504 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_DEPTHSTENCIL_VIEW,
3505 &vmw_cmd_dx_view_define, true, false, true),
3506 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_DEPTHSTENCIL_VIEW,
3507 &vmw_cmd_dx_view_remove, true, false, true),
3508 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_ELEMENTLAYOUT,
3509 &vmw_cmd_dx_so_define, true, false, true),
3510 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_ELEMENTLAYOUT,
3511 &vmw_cmd_dx_cid_check, true, false, true),
3512 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_BLEND_STATE,
3513 &vmw_cmd_dx_so_define, true, false, true),
3514 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_BLEND_STATE,
3515 &vmw_cmd_dx_cid_check, true, false, true),
3516 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_DEPTHSTENCIL_STATE,
3517 &vmw_cmd_dx_so_define, true, false, true),
3518 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_DEPTHSTENCIL_STATE,
3519 &vmw_cmd_dx_cid_check, true, false, true),
3520 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_RASTERIZER_STATE,
3521 &vmw_cmd_dx_so_define, true, false, true),
3522 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_RASTERIZER_STATE,
3523 &vmw_cmd_dx_cid_check, true, false, true),
3524 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_SAMPLER_STATE,
3525 &vmw_cmd_dx_so_define, true, false, true),
3526 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_SAMPLER_STATE,
3527 &vmw_cmd_dx_cid_check, true, false, true),
3528 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_SHADER,
3529 &vmw_cmd_dx_define_shader, true, false, true),
3530 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_SHADER,
3531 &vmw_cmd_dx_destroy_shader, true, false, true),
3532 VMW_CMD_DEF(SVGA_3D_CMD_DX_BIND_SHADER,
3533 &vmw_cmd_dx_bind_shader, true, false, true),
3534 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_STREAMOUTPUT,
3535 &vmw_cmd_dx_so_define, true, false, true),
3536 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_STREAMOUTPUT,
3537 &vmw_cmd_dx_destroy_streamoutput, true, false, true),
3538 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_STREAMOUTPUT,
3539 &vmw_cmd_dx_set_streamoutput, true, false, true),
3540 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SOTARGETS,
3541 &vmw_cmd_dx_set_so_targets, true, false, true),
3542 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_INPUT_LAYOUT,
3543 &vmw_cmd_dx_cid_check, true, false, true),
3544 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_TOPOLOGY,
3545 &vmw_cmd_dx_cid_check, true, false, true),
3546 VMW_CMD_DEF(SVGA_3D_CMD_DX_BUFFER_COPY,
3547 &vmw_cmd_buffer_copy_check, true, false, true),
3548 VMW_CMD_DEF(SVGA_3D_CMD_DX_PRED_COPY_REGION,
3549 &vmw_cmd_pred_copy_check, true, false, true),
3550 VMW_CMD_DEF(SVGA_3D_CMD_DX_TRANSFER_FROM_BUFFER,
3551 &vmw_cmd_dx_transfer_from_buffer,
3552 true, false, true),
3553 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_VS_CONSTANT_BUFFER_OFFSET,
3554 &vmw_cmd_dx_set_constant_buffer_offset,
3555 true, false, true),
3556 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_PS_CONSTANT_BUFFER_OFFSET,
3557 &vmw_cmd_dx_set_constant_buffer_offset,
3558 true, false, true),
3559 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_GS_CONSTANT_BUFFER_OFFSET,
3560 &vmw_cmd_dx_set_constant_buffer_offset,
3561 true, false, true),
3562 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_HS_CONSTANT_BUFFER_OFFSET,
3563 &vmw_cmd_dx_set_constant_buffer_offset,
3564 true, false, true),
3565 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_DS_CONSTANT_BUFFER_OFFSET,
3566 &vmw_cmd_dx_set_constant_buffer_offset,
3567 true, false, true),
3568 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_CS_CONSTANT_BUFFER_OFFSET,
3569 &vmw_cmd_dx_set_constant_buffer_offset,
3570 true, false, true),
3571 VMW_CMD_DEF(SVGA_3D_CMD_INTRA_SURFACE_COPY, &vmw_cmd_intra_surface_copy,
3572 true, false, true),
3573
3574 /*
3575 * SM5 commands
3576 */
3577 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_UA_VIEW, &vmw_cmd_sm5_view_define,
3578 true, false, true),
3579 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_UA_VIEW, &vmw_cmd_sm5_view_remove,
3580 true, false, true),
3581 VMW_CMD_DEF(SVGA_3D_CMD_DX_CLEAR_UA_VIEW_UINT, &vmw_cmd_clear_uav_uint,
3582 true, false, true),
3583 VMW_CMD_DEF(SVGA_3D_CMD_DX_CLEAR_UA_VIEW_FLOAT,
3584 &vmw_cmd_clear_uav_float, true, false, true),
3585 VMW_CMD_DEF(SVGA_3D_CMD_DX_COPY_STRUCTURE_COUNT, &vmw_cmd_invalid, true,
3586 false, true),
3587 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_UA_VIEWS, &vmw_cmd_set_uav, true, false,
3588 true),
3589 VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW_INDEXED_INSTANCED_INDIRECT,
3590 &vmw_cmd_indexed_instanced_indirect, true, false, true),
3591 VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW_INSTANCED_INDIRECT,
3592 &vmw_cmd_instanced_indirect, true, false, true),
3593 VMW_CMD_DEF(SVGA_3D_CMD_DX_DISPATCH, &vmw_cmd_sm5, true, false, true),
3594 VMW_CMD_DEF(SVGA_3D_CMD_DX_DISPATCH_INDIRECT,
3595 &vmw_cmd_dispatch_indirect, true, false, true),
3596 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_CS_UA_VIEWS, &vmw_cmd_set_cs_uav, true,
3597 false, true),
3598 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_DEPTHSTENCIL_VIEW_V2,
3599 &vmw_cmd_sm5_view_define, true, false, true),
3600 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_STREAMOUTPUT_WITH_MOB,
3601 &vmw_cmd_dx_define_streamoutput, true, false, true),
3602 VMW_CMD_DEF(SVGA_3D_CMD_DX_BIND_STREAMOUTPUT,
3603 &vmw_cmd_dx_bind_streamoutput, true, false, true),
3604 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_RASTERIZER_STATE_V2,
3605 &vmw_cmd_dx_so_define, true, false, true),
3606};
3607
3608bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd)
3609{
3610 u32 cmd_id = ((u32 *) buf)[0];
3611
3612 if (cmd_id >= SVGA_CMD_MAX) {
3613 SVGA3dCmdHeader *header = (SVGA3dCmdHeader *) buf;
3614 const struct vmw_cmd_entry *entry;
3615
3616 *size = header->size + sizeof(SVGA3dCmdHeader);
3617 cmd_id = header->id;
3618 if (cmd_id >= SVGA_3D_CMD_MAX)
3619 return false;
3620
3621 cmd_id -= SVGA_3D_CMD_BASE;
3622 entry = &vmw_cmd_entries[cmd_id];
3623 *cmd = entry->cmd_name;
3624 return true;
3625 }
3626
3627 switch (cmd_id) {
3628 case SVGA_CMD_UPDATE:
3629 *cmd = "SVGA_CMD_UPDATE";
3630 *size = sizeof(u32) + sizeof(SVGAFifoCmdUpdate);
3631 break;
3632 case SVGA_CMD_DEFINE_GMRFB:
3633 *cmd = "SVGA_CMD_DEFINE_GMRFB";
3634 *size = sizeof(u32) + sizeof(SVGAFifoCmdDefineGMRFB);
3635 break;
3636 case SVGA_CMD_BLIT_GMRFB_TO_SCREEN:
3637 *cmd = "SVGA_CMD_BLIT_GMRFB_TO_SCREEN";
3638 *size = sizeof(u32) + sizeof(SVGAFifoCmdBlitGMRFBToScreen);
3639 break;
3640 case SVGA_CMD_BLIT_SCREEN_TO_GMRFB:
3641 *cmd = "SVGA_CMD_BLIT_SCREEN_TO_GMRFB";
3642 *size = sizeof(u32) + sizeof(SVGAFifoCmdBlitGMRFBToScreen);
3643 break;
3644 default:
3645 *cmd = "UNKNOWN";
3646 *size = 0;
3647 return false;
3648 }
3649
3650 return true;
3651}
3652
3653static int vmw_cmd_check(struct vmw_private *dev_priv,
3654 struct vmw_sw_context *sw_context, void *buf,
3655 uint32_t *size)
3656{
3657 uint32_t cmd_id;
3658 uint32_t size_remaining = *size;
3659 SVGA3dCmdHeader *header = (SVGA3dCmdHeader *) buf;
3660 int ret;
3661 const struct vmw_cmd_entry *entry;
3662 bool gb = dev_priv->capabilities & SVGA_CAP_GBOBJECTS;
3663
3664 cmd_id = ((uint32_t *)buf)[0];
3665 /* Handle any none 3D commands */
3666 if (unlikely(cmd_id < SVGA_CMD_MAX))
3667 return vmw_cmd_check_not_3d(dev_priv, sw_context, buf, size);
3668
3669
3670 cmd_id = header->id;
3671 *size = header->size + sizeof(SVGA3dCmdHeader);
3672
3673 cmd_id -= SVGA_3D_CMD_BASE;
3674 if (unlikely(*size > size_remaining))
3675 goto out_invalid;
3676
3677 if (unlikely(cmd_id >= SVGA_3D_CMD_MAX - SVGA_3D_CMD_BASE))
3678 goto out_invalid;
3679
3680 entry = &vmw_cmd_entries[cmd_id];
3681 if (unlikely(!entry->func))
3682 goto out_invalid;
3683
3684 if (unlikely(!entry->user_allow && !sw_context->kernel))
3685 goto out_privileged;
3686
3687 if (unlikely(entry->gb_disable && gb))
3688 goto out_old;
3689
3690 if (unlikely(entry->gb_enable && !gb))
3691 goto out_new;
3692
3693 ret = entry->func(dev_priv, sw_context, header);
3694 if (unlikely(ret != 0)) {
3695 VMW_DEBUG_USER("SVGA3D command: %d failed with error %d\n",
3696 cmd_id + SVGA_3D_CMD_BASE, ret);
3697 return ret;
3698 }
3699
3700 return 0;
3701out_invalid:
3702 VMW_DEBUG_USER("Invalid SVGA3D command: %d\n",
3703 cmd_id + SVGA_3D_CMD_BASE);
3704 return -EINVAL;
3705out_privileged:
3706 VMW_DEBUG_USER("Privileged SVGA3D command: %d\n",
3707 cmd_id + SVGA_3D_CMD_BASE);
3708 return -EPERM;
3709out_old:
3710 VMW_DEBUG_USER("Deprecated (disallowed) SVGA3D command: %d\n",
3711 cmd_id + SVGA_3D_CMD_BASE);
3712 return -EINVAL;
3713out_new:
3714 VMW_DEBUG_USER("SVGA3D command: %d not supported by virtual device.\n",
3715 cmd_id + SVGA_3D_CMD_BASE);
3716 return -EINVAL;
3717}
3718
3719static int vmw_cmd_check_all(struct vmw_private *dev_priv,
3720 struct vmw_sw_context *sw_context, void *buf,
3721 uint32_t size)
3722{
3723 int32_t cur_size = size;
3724 int ret;
3725
3726 sw_context->buf_start = buf;
3727
3728 while (cur_size > 0) {
3729 size = cur_size;
3730 ret = vmw_cmd_check(dev_priv, sw_context, buf, &size);
3731 if (unlikely(ret != 0))
3732 return ret;
3733 buf = (void *)((unsigned long) buf + size);
3734 cur_size -= size;
3735 }
3736
3737 if (unlikely(cur_size != 0)) {
3738 VMW_DEBUG_USER("Command verifier out of sync.\n");
3739 return -EINVAL;
3740 }
3741
3742 return 0;
3743}
3744
3745static void vmw_free_relocations(struct vmw_sw_context *sw_context)
3746{
3747 /* Memory is validation context memory, so no need to free it */
3748 INIT_LIST_HEAD(&sw_context->bo_relocations);
3749}
3750
3751static void vmw_apply_relocations(struct vmw_sw_context *sw_context)
3752{
3753 struct vmw_relocation *reloc;
3754 struct ttm_buffer_object *bo;
3755
3756 list_for_each_entry(reloc, &sw_context->bo_relocations, head) {
3757 bo = &reloc->vbo->base;
3758 switch (bo->resource->mem_type) {
3759 case TTM_PL_VRAM:
3760 reloc->location->offset += bo->resource->start << PAGE_SHIFT;
3761 reloc->location->gmrId = SVGA_GMR_FRAMEBUFFER;
3762 break;
3763 case VMW_PL_GMR:
3764 reloc->location->gmrId = bo->resource->start;
3765 break;
3766 case VMW_PL_MOB:
3767 *reloc->mob_loc = bo->resource->start;
3768 break;
3769 default:
3770 BUG();
3771 }
3772 }
3773 vmw_free_relocations(sw_context);
3774}
3775
3776static int vmw_resize_cmd_bounce(struct vmw_sw_context *sw_context,
3777 uint32_t size)
3778{
3779 if (likely(sw_context->cmd_bounce_size >= size))
3780 return 0;
3781
3782 if (sw_context->cmd_bounce_size == 0)
3783 sw_context->cmd_bounce_size = VMWGFX_CMD_BOUNCE_INIT_SIZE;
3784
3785 while (sw_context->cmd_bounce_size < size) {
3786 sw_context->cmd_bounce_size =
3787 PAGE_ALIGN(sw_context->cmd_bounce_size +
3788 (sw_context->cmd_bounce_size >> 1));
3789 }
3790
3791 vfree(sw_context->cmd_bounce);
3792 sw_context->cmd_bounce = vmalloc(sw_context->cmd_bounce_size);
3793
3794 if (sw_context->cmd_bounce == NULL) {
3795 VMW_DEBUG_USER("Failed to allocate command bounce buffer.\n");
3796 sw_context->cmd_bounce_size = 0;
3797 return -ENOMEM;
3798 }
3799
3800 return 0;
3801}
3802
3803/*
3804 * vmw_execbuf_fence_commands - create and submit a command stream fence
3805 *
3806 * Creates a fence object and submits a command stream marker.
3807 * If this fails for some reason, We sync the fifo and return NULL.
3808 * It is then safe to fence buffers with a NULL pointer.
3809 *
3810 * If @p_handle is not NULL @file_priv must also not be NULL. Creates a
3811 * userspace handle if @p_handle is not NULL, otherwise not.
3812 */
3813
3814int vmw_execbuf_fence_commands(struct drm_file *file_priv,
3815 struct vmw_private *dev_priv,
3816 struct vmw_fence_obj **p_fence,
3817 uint32_t *p_handle)
3818{
3819 uint32_t sequence;
3820 int ret;
3821 bool synced = false;
3822
3823 /* p_handle implies file_priv. */
3824 BUG_ON(p_handle != NULL && file_priv == NULL);
3825
3826 ret = vmw_cmd_send_fence(dev_priv, &sequence);
3827 if (unlikely(ret != 0)) {
3828 VMW_DEBUG_USER("Fence submission error. Syncing.\n");
3829 synced = true;
3830 }
3831
3832 if (p_handle != NULL)
3833 ret = vmw_user_fence_create(file_priv, dev_priv->fman,
3834 sequence, p_fence, p_handle);
3835 else
3836 ret = vmw_fence_create(dev_priv->fman, sequence, p_fence);
3837
3838 if (unlikely(ret != 0 && !synced)) {
3839 (void) vmw_fallback_wait(dev_priv, false, false, sequence,
3840 false, VMW_FENCE_WAIT_TIMEOUT);
3841 *p_fence = NULL;
3842 }
3843
3844 return ret;
3845}
3846
3847/**
3848 * vmw_execbuf_copy_fence_user - copy fence object information to user-space.
3849 *
3850 * @dev_priv: Pointer to a vmw_private struct.
3851 * @vmw_fp: Pointer to the struct vmw_fpriv representing the calling file.
3852 * @ret: Return value from fence object creation.
3853 * @user_fence_rep: User space address of a struct drm_vmw_fence_rep to which
3854 * the information should be copied.
3855 * @fence: Pointer to the fenc object.
3856 * @fence_handle: User-space fence handle.
3857 * @out_fence_fd: exported file descriptor for the fence. -1 if not used
3858 *
3859 * This function copies fence information to user-space. If copying fails, the
3860 * user-space struct drm_vmw_fence_rep::error member is hopefully left
3861 * untouched, and if it's preloaded with an -EFAULT by user-space, the error
3862 * will hopefully be detected.
3863 *
3864 * Also if copying fails, user-space will be unable to signal the fence object
3865 * so we wait for it immediately, and then unreference the user-space reference.
3866 */
3867int
3868vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv,
3869 struct vmw_fpriv *vmw_fp, int ret,
3870 struct drm_vmw_fence_rep __user *user_fence_rep,
3871 struct vmw_fence_obj *fence, uint32_t fence_handle,
3872 int32_t out_fence_fd)
3873{
3874 struct drm_vmw_fence_rep fence_rep;
3875
3876 if (user_fence_rep == NULL)
3877 return 0;
3878
3879 memset(&fence_rep, 0, sizeof(fence_rep));
3880
3881 fence_rep.error = ret;
3882 fence_rep.fd = out_fence_fd;
3883 if (ret == 0) {
3884 BUG_ON(fence == NULL);
3885
3886 fence_rep.handle = fence_handle;
3887 fence_rep.seqno = fence->base.seqno;
3888 vmw_update_seqno(dev_priv);
3889 fence_rep.passed_seqno = dev_priv->last_read_seqno;
3890 }
3891
3892 /*
3893 * copy_to_user errors will be detected by user space not seeing
3894 * fence_rep::error filled in. Typically user-space would have pre-set
3895 * that member to -EFAULT.
3896 */
3897 ret = copy_to_user(user_fence_rep, &fence_rep,
3898 sizeof(fence_rep));
3899
3900 /*
3901 * User-space lost the fence object. We need to sync and unreference the
3902 * handle.
3903 */
3904 if (unlikely(ret != 0) && (fence_rep.error == 0)) {
3905 ttm_ref_object_base_unref(vmw_fp->tfile, fence_handle);
3906 VMW_DEBUG_USER("Fence copy error. Syncing.\n");
3907 (void) vmw_fence_obj_wait(fence, false, false,
3908 VMW_FENCE_WAIT_TIMEOUT);
3909 }
3910
3911 return ret ? -EFAULT : 0;
3912}
3913
3914/**
3915 * vmw_execbuf_submit_fifo - Patch a command batch and submit it using the fifo.
3916 *
3917 * @dev_priv: Pointer to a device private structure.
3918 * @kernel_commands: Pointer to the unpatched command batch.
3919 * @command_size: Size of the unpatched command batch.
3920 * @sw_context: Structure holding the relocation lists.
3921 *
3922 * Side effects: If this function returns 0, then the command batch pointed to
3923 * by @kernel_commands will have been modified.
3924 */
3925static int vmw_execbuf_submit_fifo(struct vmw_private *dev_priv,
3926 void *kernel_commands, u32 command_size,
3927 struct vmw_sw_context *sw_context)
3928{
3929 void *cmd;
3930
3931 if (sw_context->dx_ctx_node)
3932 cmd = VMW_CMD_CTX_RESERVE(dev_priv, command_size,
3933 sw_context->dx_ctx_node->ctx->id);
3934 else
3935 cmd = VMW_CMD_RESERVE(dev_priv, command_size);
3936
3937 if (!cmd)
3938 return -ENOMEM;
3939
3940 vmw_apply_relocations(sw_context);
3941 memcpy(cmd, kernel_commands, command_size);
3942 vmw_resource_relocations_apply(cmd, &sw_context->res_relocations);
3943 vmw_resource_relocations_free(&sw_context->res_relocations);
3944 vmw_cmd_commit(dev_priv, command_size);
3945
3946 return 0;
3947}
3948
3949/**
3950 * vmw_execbuf_submit_cmdbuf - Patch a command batch and submit it using the
3951 * command buffer manager.
3952 *
3953 * @dev_priv: Pointer to a device private structure.
3954 * @header: Opaque handle to the command buffer allocation.
3955 * @command_size: Size of the unpatched command batch.
3956 * @sw_context: Structure holding the relocation lists.
3957 *
3958 * Side effects: If this function returns 0, then the command buffer represented
3959 * by @header will have been modified.
3960 */
3961static int vmw_execbuf_submit_cmdbuf(struct vmw_private *dev_priv,
3962 struct vmw_cmdbuf_header *header,
3963 u32 command_size,
3964 struct vmw_sw_context *sw_context)
3965{
3966 u32 id = ((sw_context->dx_ctx_node) ? sw_context->dx_ctx_node->ctx->id :
3967 SVGA3D_INVALID_ID);
3968 void *cmd = vmw_cmdbuf_reserve(dev_priv->cman, command_size, id, false,
3969 header);
3970
3971 vmw_apply_relocations(sw_context);
3972 vmw_resource_relocations_apply(cmd, &sw_context->res_relocations);
3973 vmw_resource_relocations_free(&sw_context->res_relocations);
3974 vmw_cmdbuf_commit(dev_priv->cman, command_size, header, false);
3975
3976 return 0;
3977}
3978
3979/**
3980 * vmw_execbuf_cmdbuf - Prepare, if possible, a user-space command batch for
3981 * submission using a command buffer.
3982 *
3983 * @dev_priv: Pointer to a device private structure.
3984 * @user_commands: User-space pointer to the commands to be submitted.
3985 * @command_size: Size of the unpatched command batch.
3986 * @header: Out parameter returning the opaque pointer to the command buffer.
3987 *
3988 * This function checks whether we can use the command buffer manager for
3989 * submission and if so, creates a command buffer of suitable size and copies
3990 * the user data into that buffer.
3991 *
3992 * On successful return, the function returns a pointer to the data in the
3993 * command buffer and *@header is set to non-NULL.
3994 *
3995 * @kernel_commands: If command buffers could not be used, the function will
3996 * return the value of @kernel_commands on function call. That value may be
3997 * NULL. In that case, the value of *@header will be set to NULL.
3998 *
3999 * If an error is encountered, the function will return a pointer error value.
4000 * If the function is interrupted by a signal while sleeping, it will return
4001 * -ERESTARTSYS casted to a pointer error value.
4002 */
4003static void *vmw_execbuf_cmdbuf(struct vmw_private *dev_priv,
4004 void __user *user_commands,
4005 void *kernel_commands, u32 command_size,
4006 struct vmw_cmdbuf_header **header)
4007{
4008 size_t cmdbuf_size;
4009 int ret;
4010
4011 *header = NULL;
4012 if (command_size > SVGA_CB_MAX_SIZE) {
4013 VMW_DEBUG_USER("Command buffer is too large.\n");
4014 return ERR_PTR(-EINVAL);
4015 }
4016
4017 if (!dev_priv->cman || kernel_commands)
4018 return kernel_commands;
4019
4020 /* If possible, add a little space for fencing. */
4021 cmdbuf_size = command_size + 512;
4022 cmdbuf_size = min_t(size_t, cmdbuf_size, SVGA_CB_MAX_SIZE);
4023 kernel_commands = vmw_cmdbuf_alloc(dev_priv->cman, cmdbuf_size, true,
4024 header);
4025 if (IS_ERR(kernel_commands))
4026 return kernel_commands;
4027
4028 ret = copy_from_user(kernel_commands, user_commands, command_size);
4029 if (ret) {
4030 VMW_DEBUG_USER("Failed copying commands.\n");
4031 vmw_cmdbuf_header_free(*header);
4032 *header = NULL;
4033 return ERR_PTR(-EFAULT);
4034 }
4035
4036 return kernel_commands;
4037}
4038
4039static int vmw_execbuf_tie_context(struct vmw_private *dev_priv,
4040 struct vmw_sw_context *sw_context,
4041 uint32_t handle)
4042{
4043 struct vmw_resource *res;
4044 int ret;
4045 unsigned int size;
4046
4047 if (handle == SVGA3D_INVALID_ID)
4048 return 0;
4049
4050 size = vmw_execbuf_res_size(dev_priv, vmw_res_dx_context);
4051 ret = vmw_validation_preload_res(sw_context->ctx, size);
4052 if (ret)
4053 return ret;
4054
4055 ret = vmw_user_resource_lookup_handle
4056 (dev_priv, sw_context->fp->tfile, handle,
4057 user_context_converter, &res);
4058 if (ret != 0) {
4059 VMW_DEBUG_USER("Could not find or user DX context 0x%08x.\n",
4060 (unsigned int) handle);
4061 return ret;
4062 }
4063
4064 ret = vmw_execbuf_res_val_add(sw_context, res, VMW_RES_DIRTY_SET,
4065 vmw_val_add_flag_none);
4066 if (unlikely(ret != 0)) {
4067 vmw_resource_unreference(&res);
4068 return ret;
4069 }
4070
4071 sw_context->dx_ctx_node = vmw_execbuf_info_from_res(sw_context, res);
4072 sw_context->man = vmw_context_res_man(res);
4073
4074 vmw_resource_unreference(&res);
4075 return 0;
4076}
4077
4078int vmw_execbuf_process(struct drm_file *file_priv,
4079 struct vmw_private *dev_priv,
4080 void __user *user_commands, void *kernel_commands,
4081 uint32_t command_size, uint64_t throttle_us,
4082 uint32_t dx_context_handle,
4083 struct drm_vmw_fence_rep __user *user_fence_rep,
4084 struct vmw_fence_obj **out_fence, uint32_t flags)
4085{
4086 struct vmw_sw_context *sw_context = &dev_priv->ctx;
4087 struct vmw_fence_obj *fence = NULL;
4088 struct vmw_cmdbuf_header *header;
4089 uint32_t handle = 0;
4090 int ret;
4091 int32_t out_fence_fd = -1;
4092 struct sync_file *sync_file = NULL;
4093 DECLARE_VAL_CONTEXT(val_ctx, sw_context, 1);
4094
4095 if (flags & DRM_VMW_EXECBUF_FLAG_EXPORT_FENCE_FD) {
4096 out_fence_fd = get_unused_fd_flags(O_CLOEXEC);
4097 if (out_fence_fd < 0) {
4098 VMW_DEBUG_USER("Failed to get a fence fd.\n");
4099 return out_fence_fd;
4100 }
4101 }
4102
4103 if (throttle_us) {
4104 VMW_DEBUG_USER("Throttling is no longer supported.\n");
4105 }
4106
4107 kernel_commands = vmw_execbuf_cmdbuf(dev_priv, user_commands,
4108 kernel_commands, command_size,
4109 &header);
4110 if (IS_ERR(kernel_commands)) {
4111 ret = PTR_ERR(kernel_commands);
4112 goto out_free_fence_fd;
4113 }
4114
4115 ret = mutex_lock_interruptible(&dev_priv->cmdbuf_mutex);
4116 if (ret) {
4117 ret = -ERESTARTSYS;
4118 goto out_free_header;
4119 }
4120
4121 sw_context->kernel = false;
4122 if (kernel_commands == NULL) {
4123 ret = vmw_resize_cmd_bounce(sw_context, command_size);
4124 if (unlikely(ret != 0))
4125 goto out_unlock;
4126
4127 ret = copy_from_user(sw_context->cmd_bounce, user_commands,
4128 command_size);
4129 if (unlikely(ret != 0)) {
4130 ret = -EFAULT;
4131 VMW_DEBUG_USER("Failed copying commands.\n");
4132 goto out_unlock;
4133 }
4134
4135 kernel_commands = sw_context->cmd_bounce;
4136 } else if (!header) {
4137 sw_context->kernel = true;
4138 }
4139
4140 sw_context->filp = file_priv;
4141 sw_context->fp = vmw_fpriv(file_priv);
4142 INIT_LIST_HEAD(&sw_context->ctx_list);
4143 sw_context->cur_query_bo = dev_priv->pinned_bo;
4144 sw_context->last_query_ctx = NULL;
4145 sw_context->needs_post_query_barrier = false;
4146 sw_context->dx_ctx_node = NULL;
4147 sw_context->dx_query_mob = NULL;
4148 sw_context->dx_query_ctx = NULL;
4149 memset(sw_context->res_cache, 0, sizeof(sw_context->res_cache));
4150 INIT_LIST_HEAD(&sw_context->res_relocations);
4151 INIT_LIST_HEAD(&sw_context->bo_relocations);
4152
4153 if (sw_context->staged_bindings)
4154 vmw_binding_state_reset(sw_context->staged_bindings);
4155
4156 INIT_LIST_HEAD(&sw_context->staged_cmd_res);
4157 sw_context->ctx = &val_ctx;
4158 ret = vmw_execbuf_tie_context(dev_priv, sw_context, dx_context_handle);
4159 if (unlikely(ret != 0))
4160 goto out_err_nores;
4161
4162 ret = vmw_cmd_check_all(dev_priv, sw_context, kernel_commands,
4163 command_size);
4164 if (unlikely(ret != 0))
4165 goto out_err_nores;
4166
4167 ret = vmw_resources_reserve(sw_context);
4168 if (unlikely(ret != 0))
4169 goto out_err_nores;
4170
4171 ret = vmw_validation_bo_reserve(&val_ctx, true);
4172 if (unlikely(ret != 0))
4173 goto out_err_nores;
4174
4175 ret = vmw_validation_bo_validate(&val_ctx, true);
4176 if (unlikely(ret != 0))
4177 goto out_err;
4178
4179 ret = vmw_validation_res_validate(&val_ctx, true);
4180 if (unlikely(ret != 0))
4181 goto out_err;
4182
4183 vmw_validation_drop_ht(&val_ctx);
4184
4185 ret = mutex_lock_interruptible(&dev_priv->binding_mutex);
4186 if (unlikely(ret != 0)) {
4187 ret = -ERESTARTSYS;
4188 goto out_err;
4189 }
4190
4191 if (dev_priv->has_mob) {
4192 ret = vmw_rebind_contexts(sw_context);
4193 if (unlikely(ret != 0))
4194 goto out_unlock_binding;
4195 }
4196
4197 if (!header) {
4198 ret = vmw_execbuf_submit_fifo(dev_priv, kernel_commands,
4199 command_size, sw_context);
4200 } else {
4201 ret = vmw_execbuf_submit_cmdbuf(dev_priv, header, command_size,
4202 sw_context);
4203 header = NULL;
4204 }
4205 mutex_unlock(&dev_priv->binding_mutex);
4206 if (ret)
4207 goto out_err;
4208
4209 vmw_query_bo_switch_commit(dev_priv, sw_context);
4210 ret = vmw_execbuf_fence_commands(file_priv, dev_priv, &fence,
4211 (user_fence_rep) ? &handle : NULL);
4212 /*
4213 * This error is harmless, because if fence submission fails,
4214 * vmw_fifo_send_fence will sync. The error will be propagated to
4215 * user-space in @fence_rep
4216 */
4217 if (ret != 0)
4218 VMW_DEBUG_USER("Fence submission error. Syncing.\n");
4219
4220 vmw_execbuf_bindings_commit(sw_context, false);
4221 vmw_bind_dx_query_mob(sw_context);
4222 vmw_validation_res_unreserve(&val_ctx, false);
4223
4224 vmw_validation_bo_fence(sw_context->ctx, fence);
4225
4226 if (unlikely(dev_priv->pinned_bo != NULL && !dev_priv->query_cid_valid))
4227 __vmw_execbuf_release_pinned_bo(dev_priv, fence);
4228
4229 /*
4230 * If anything fails here, give up trying to export the fence and do a
4231 * sync since the user mode will not be able to sync the fence itself.
4232 * This ensures we are still functionally correct.
4233 */
4234 if (flags & DRM_VMW_EXECBUF_FLAG_EXPORT_FENCE_FD) {
4235
4236 sync_file = sync_file_create(&fence->base);
4237 if (!sync_file) {
4238 VMW_DEBUG_USER("Sync file create failed for fence\n");
4239 put_unused_fd(out_fence_fd);
4240 out_fence_fd = -1;
4241
4242 (void) vmw_fence_obj_wait(fence, false, false,
4243 VMW_FENCE_WAIT_TIMEOUT);
4244 }
4245 }
4246
4247 ret = vmw_execbuf_copy_fence_user(dev_priv, vmw_fpriv(file_priv), ret,
4248 user_fence_rep, fence, handle, out_fence_fd);
4249
4250 if (sync_file) {
4251 if (ret) {
4252 /* usercopy of fence failed, put the file object */
4253 fput(sync_file->file);
4254 put_unused_fd(out_fence_fd);
4255 } else {
4256 /* Link the fence with the FD created earlier */
4257 fd_install(out_fence_fd, sync_file->file);
4258 }
4259 }
4260
4261 /* Don't unreference when handing fence out */
4262 if (unlikely(out_fence != NULL)) {
4263 *out_fence = fence;
4264 fence = NULL;
4265 } else if (likely(fence != NULL)) {
4266 vmw_fence_obj_unreference(&fence);
4267 }
4268
4269 vmw_cmdbuf_res_commit(&sw_context->staged_cmd_res);
4270 mutex_unlock(&dev_priv->cmdbuf_mutex);
4271
4272 /*
4273 * Unreference resources outside of the cmdbuf_mutex to avoid deadlocks
4274 * in resource destruction paths.
4275 */
4276 vmw_validation_unref_lists(&val_ctx);
4277
4278 return ret;
4279
4280out_unlock_binding:
4281 mutex_unlock(&dev_priv->binding_mutex);
4282out_err:
4283 vmw_validation_bo_backoff(&val_ctx);
4284out_err_nores:
4285 vmw_execbuf_bindings_commit(sw_context, true);
4286 vmw_validation_res_unreserve(&val_ctx, true);
4287 vmw_resource_relocations_free(&sw_context->res_relocations);
4288 vmw_free_relocations(sw_context);
4289 if (unlikely(dev_priv->pinned_bo != NULL && !dev_priv->query_cid_valid))
4290 __vmw_execbuf_release_pinned_bo(dev_priv, NULL);
4291out_unlock:
4292 vmw_cmdbuf_res_revert(&sw_context->staged_cmd_res);
4293 vmw_validation_drop_ht(&val_ctx);
4294 WARN_ON(!list_empty(&sw_context->ctx_list));
4295 mutex_unlock(&dev_priv->cmdbuf_mutex);
4296
4297 /*
4298 * Unreference resources outside of the cmdbuf_mutex to avoid deadlocks
4299 * in resource destruction paths.
4300 */
4301 vmw_validation_unref_lists(&val_ctx);
4302out_free_header:
4303 if (header)
4304 vmw_cmdbuf_header_free(header);
4305out_free_fence_fd:
4306 if (out_fence_fd >= 0)
4307 put_unused_fd(out_fence_fd);
4308
4309 return ret;
4310}
4311
4312/**
4313 * vmw_execbuf_unpin_panic - Idle the fifo and unpin the query buffer.
4314 *
4315 * @dev_priv: The device private structure.
4316 *
4317 * This function is called to idle the fifo and unpin the query buffer if the
4318 * normal way to do this hits an error, which should typically be extremely
4319 * rare.
4320 */
4321static void vmw_execbuf_unpin_panic(struct vmw_private *dev_priv)
4322{
4323 VMW_DEBUG_USER("Can't unpin query buffer. Trying to recover.\n");
4324
4325 (void) vmw_fallback_wait(dev_priv, false, true, 0, false, 10*HZ);
4326 vmw_bo_pin_reserved(dev_priv->pinned_bo, false);
4327 if (dev_priv->dummy_query_bo_pinned) {
4328 vmw_bo_pin_reserved(dev_priv->dummy_query_bo, false);
4329 dev_priv->dummy_query_bo_pinned = false;
4330 }
4331}
4332
4333
4334/**
4335 * __vmw_execbuf_release_pinned_bo - Flush queries and unpin the pinned query
4336 * bo.
4337 *
4338 * @dev_priv: The device private structure.
4339 * @fence: If non-NULL should point to a struct vmw_fence_obj issued _after_ a
4340 * query barrier that flushes all queries touching the current buffer pointed to
4341 * by @dev_priv->pinned_bo
4342 *
4343 * This function should be used to unpin the pinned query bo, or as a query
4344 * barrier when we need to make sure that all queries have finished before the
4345 * next fifo command. (For example on hardware context destructions where the
4346 * hardware may otherwise leak unfinished queries).
4347 *
4348 * This function does not return any failure codes, but make attempts to do safe
4349 * unpinning in case of errors.
4350 *
4351 * The function will synchronize on the previous query barrier, and will thus
4352 * not finish until that barrier has executed.
4353 *
4354 * the @dev_priv->cmdbuf_mutex needs to be held by the current thread before
4355 * calling this function.
4356 */
4357void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv,
4358 struct vmw_fence_obj *fence)
4359{
4360 int ret = 0;
4361 struct vmw_fence_obj *lfence = NULL;
4362 DECLARE_VAL_CONTEXT(val_ctx, NULL, 0);
4363
4364 if (dev_priv->pinned_bo == NULL)
4365 goto out_unlock;
4366
4367 ret = vmw_validation_add_bo(&val_ctx, dev_priv->pinned_bo, false,
4368 false);
4369 if (ret)
4370 goto out_no_reserve;
4371
4372 ret = vmw_validation_add_bo(&val_ctx, dev_priv->dummy_query_bo, false,
4373 false);
4374 if (ret)
4375 goto out_no_reserve;
4376
4377 ret = vmw_validation_bo_reserve(&val_ctx, false);
4378 if (ret)
4379 goto out_no_reserve;
4380
4381 if (dev_priv->query_cid_valid) {
4382 BUG_ON(fence != NULL);
4383 ret = vmw_cmd_emit_dummy_query(dev_priv, dev_priv->query_cid);
4384 if (ret)
4385 goto out_no_emit;
4386 dev_priv->query_cid_valid = false;
4387 }
4388
4389 vmw_bo_pin_reserved(dev_priv->pinned_bo, false);
4390 if (dev_priv->dummy_query_bo_pinned) {
4391 vmw_bo_pin_reserved(dev_priv->dummy_query_bo, false);
4392 dev_priv->dummy_query_bo_pinned = false;
4393 }
4394 if (fence == NULL) {
4395 (void) vmw_execbuf_fence_commands(NULL, dev_priv, &lfence,
4396 NULL);
4397 fence = lfence;
4398 }
4399 vmw_validation_bo_fence(&val_ctx, fence);
4400 if (lfence != NULL)
4401 vmw_fence_obj_unreference(&lfence);
4402
4403 vmw_validation_unref_lists(&val_ctx);
4404 vmw_bo_unreference(&dev_priv->pinned_bo);
4405
4406out_unlock:
4407 return;
4408out_no_emit:
4409 vmw_validation_bo_backoff(&val_ctx);
4410out_no_reserve:
4411 vmw_validation_unref_lists(&val_ctx);
4412 vmw_execbuf_unpin_panic(dev_priv);
4413 vmw_bo_unreference(&dev_priv->pinned_bo);
4414}
4415
4416/**
4417 * vmw_execbuf_release_pinned_bo - Flush queries and unpin the pinned query bo.
4418 *
4419 * @dev_priv: The device private structure.
4420 *
4421 * This function should be used to unpin the pinned query bo, or as a query
4422 * barrier when we need to make sure that all queries have finished before the
4423 * next fifo command. (For example on hardware context destructions where the
4424 * hardware may otherwise leak unfinished queries).
4425 *
4426 * This function does not return any failure codes, but make attempts to do safe
4427 * unpinning in case of errors.
4428 *
4429 * The function will synchronize on the previous query barrier, and will thus
4430 * not finish until that barrier has executed.
4431 */
4432void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv)
4433{
4434 mutex_lock(&dev_priv->cmdbuf_mutex);
4435 if (dev_priv->query_cid_valid)
4436 __vmw_execbuf_release_pinned_bo(dev_priv, NULL);
4437 mutex_unlock(&dev_priv->cmdbuf_mutex);
4438}
4439
4440int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
4441 struct drm_file *file_priv)
4442{
4443 struct vmw_private *dev_priv = vmw_priv(dev);
4444 struct drm_vmw_execbuf_arg *arg = data;
4445 int ret;
4446 struct dma_fence *in_fence = NULL;
4447
4448 MKS_STAT_TIME_DECL(MKSSTAT_KERN_EXECBUF);
4449 MKS_STAT_TIME_PUSH(MKSSTAT_KERN_EXECBUF);
4450
4451 /*
4452 * Extend the ioctl argument while maintaining backwards compatibility:
4453 * We take different code paths depending on the value of arg->version.
4454 *
4455 * Note: The ioctl argument is extended and zeropadded by core DRM.
4456 */
4457 if (unlikely(arg->version > DRM_VMW_EXECBUF_VERSION ||
4458 arg->version == 0)) {
4459 VMW_DEBUG_USER("Incorrect execbuf version.\n");
4460 ret = -EINVAL;
4461 goto mksstats_out;
4462 }
4463
4464 switch (arg->version) {
4465 case 1:
4466 /* For v1 core DRM have extended + zeropadded the data */
4467 arg->context_handle = (uint32_t) -1;
4468 break;
4469 case 2:
4470 default:
4471 /* For v2 and later core DRM would have correctly copied it */
4472 break;
4473 }
4474
4475 /* If imported a fence FD from elsewhere, then wait on it */
4476 if (arg->flags & DRM_VMW_EXECBUF_FLAG_IMPORT_FENCE_FD) {
4477 in_fence = sync_file_get_fence(arg->imported_fence_fd);
4478
4479 if (!in_fence) {
4480 VMW_DEBUG_USER("Cannot get imported fence\n");
4481 ret = -EINVAL;
4482 goto mksstats_out;
4483 }
4484
4485 ret = dma_fence_wait(in_fence, true);
4486 if (ret)
4487 goto out;
4488 }
4489
4490 ret = vmw_execbuf_process(file_priv, dev_priv,
4491 (void __user *)(unsigned long)arg->commands,
4492 NULL, arg->command_size, arg->throttle_us,
4493 arg->context_handle,
4494 (void __user *)(unsigned long)arg->fence_rep,
4495 NULL, arg->flags);
4496
4497 if (unlikely(ret != 0))
4498 goto out;
4499
4500 vmw_kms_cursor_post_execbuf(dev_priv);
4501
4502out:
4503 if (in_fence)
4504 dma_fence_put(in_fence);
4505
4506mksstats_out:
4507 MKS_STAT_TIME_POP(MKSSTAT_KERN_EXECBUF);
4508 return ret;
4509}