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1// SPDX-License-Identifier: GPL-2.0 OR MIT
2/**************************************************************************
3 *
4 * Copyright 2009 - 2015 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
29#include "vmwgfx_drv.h"
30#include "vmwgfx_reg.h"
31#include <drm/ttm/ttm_bo_api.h>
32#include <drm/ttm/ttm_placement.h>
33#include "vmwgfx_so.h"
34#include "vmwgfx_binding.h"
35
36#define VMW_RES_HT_ORDER 12
37
38/*
39 * Helper macro to get dx_ctx_node if available otherwise print an error
40 * message. This is for use in command verifier function where if dx_ctx_node
41 * is not set then command is invalid.
42 */
43#define VMW_GET_CTX_NODE(__sw_context) \
44({ \
45 __sw_context->dx_ctx_node ? __sw_context->dx_ctx_node : ({ \
46 VMW_DEBUG_USER("SM context is not set at %s\n", __func__); \
47 __sw_context->dx_ctx_node; \
48 }); \
49})
50
51#define VMW_DECLARE_CMD_VAR(__var, __type) \
52 struct { \
53 SVGA3dCmdHeader header; \
54 __type body; \
55 } __var
56
57/**
58 * struct vmw_relocation - Buffer object relocation
59 *
60 * @head: List head for the command submission context's relocation list
61 * @vbo: Non ref-counted pointer to buffer object
62 * @mob_loc: Pointer to location for mob id to be modified
63 * @location: Pointer to location for guest pointer to be modified
64 */
65struct vmw_relocation {
66 struct list_head head;
67 struct vmw_buffer_object *vbo;
68 union {
69 SVGAMobId *mob_loc;
70 SVGAGuestPtr *location;
71 };
72};
73
74/**
75 * enum vmw_resource_relocation_type - Relocation type for resources
76 *
77 * @vmw_res_rel_normal: Traditional relocation. The resource id in the
78 * command stream is replaced with the actual id after validation.
79 * @vmw_res_rel_nop: NOP relocation. The command is unconditionally replaced
80 * with a NOP.
81 * @vmw_res_rel_cond_nop: Conditional NOP relocation. If the resource id after
82 * validation is -1, the command is replaced with a NOP. Otherwise no action.
83 */
84enum vmw_resource_relocation_type {
85 vmw_res_rel_normal,
86 vmw_res_rel_nop,
87 vmw_res_rel_cond_nop,
88 vmw_res_rel_max
89};
90
91/**
92 * struct vmw_resource_relocation - Relocation info for resources
93 *
94 * @head: List head for the software context's relocation list.
95 * @res: Non-ref-counted pointer to the resource.
96 * @offset: Offset of single byte entries into the command buffer where the id
97 * that needs fixup is located.
98 * @rel_type: Type of relocation.
99 */
100struct vmw_resource_relocation {
101 struct list_head head;
102 const struct vmw_resource *res;
103 u32 offset:29;
104 enum vmw_resource_relocation_type rel_type:3;
105};
106
107/**
108 * struct vmw_ctx_validation_info - Extra validation metadata for contexts
109 *
110 * @head: List head of context list
111 * @ctx: The context resource
112 * @cur: The context's persistent binding state
113 * @staged: The binding state changes of this command buffer
114 */
115struct vmw_ctx_validation_info {
116 struct list_head head;
117 struct vmw_resource *ctx;
118 struct vmw_ctx_binding_state *cur;
119 struct vmw_ctx_binding_state *staged;
120};
121
122/**
123 * struct vmw_cmd_entry - Describe a command for the verifier
124 *
125 * @user_allow: Whether allowed from the execbuf ioctl.
126 * @gb_disable: Whether disabled if guest-backed objects are available.
127 * @gb_enable: Whether enabled iff guest-backed objects are available.
128 */
129struct vmw_cmd_entry {
130 int (*func) (struct vmw_private *, struct vmw_sw_context *,
131 SVGA3dCmdHeader *);
132 bool user_allow;
133 bool gb_disable;
134 bool gb_enable;
135 const char *cmd_name;
136};
137
138#define VMW_CMD_DEF(_cmd, _func, _user_allow, _gb_disable, _gb_enable) \
139 [(_cmd) - SVGA_3D_CMD_BASE] = {(_func), (_user_allow),\
140 (_gb_disable), (_gb_enable), #_cmd}
141
142static int vmw_resource_context_res_add(struct vmw_private *dev_priv,
143 struct vmw_sw_context *sw_context,
144 struct vmw_resource *ctx);
145static int vmw_translate_mob_ptr(struct vmw_private *dev_priv,
146 struct vmw_sw_context *sw_context,
147 SVGAMobId *id,
148 struct vmw_buffer_object **vmw_bo_p);
149/**
150 * vmw_ptr_diff - Compute the offset from a to b in bytes
151 *
152 * @a: A starting pointer.
153 * @b: A pointer offset in the same address space.
154 *
155 * Returns: The offset in bytes between the two pointers.
156 */
157static size_t vmw_ptr_diff(void *a, void *b)
158{
159 return (unsigned long) b - (unsigned long) a;
160}
161
162/**
163 * vmw_execbuf_bindings_commit - Commit modified binding state
164 *
165 * @sw_context: The command submission context
166 * @backoff: Whether this is part of the error path and binding state changes
167 * should be ignored
168 */
169static void vmw_execbuf_bindings_commit(struct vmw_sw_context *sw_context,
170 bool backoff)
171{
172 struct vmw_ctx_validation_info *entry;
173
174 list_for_each_entry(entry, &sw_context->ctx_list, head) {
175 if (!backoff)
176 vmw_binding_state_commit(entry->cur, entry->staged);
177
178 if (entry->staged != sw_context->staged_bindings)
179 vmw_binding_state_free(entry->staged);
180 else
181 sw_context->staged_bindings_inuse = false;
182 }
183
184 /* List entries are freed with the validation context */
185 INIT_LIST_HEAD(&sw_context->ctx_list);
186}
187
188/**
189 * vmw_bind_dx_query_mob - Bind the DX query MOB if referenced
190 *
191 * @sw_context: The command submission context
192 */
193static void vmw_bind_dx_query_mob(struct vmw_sw_context *sw_context)
194{
195 if (sw_context->dx_query_mob)
196 vmw_context_bind_dx_query(sw_context->dx_query_ctx,
197 sw_context->dx_query_mob);
198}
199
200/**
201 * vmw_cmd_ctx_first_setup - Perform the setup needed when a context is added to
202 * the validate list.
203 *
204 * @dev_priv: Pointer to the device private:
205 * @sw_context: The command submission context
206 * @node: The validation node holding the context resource metadata
207 */
208static int vmw_cmd_ctx_first_setup(struct vmw_private *dev_priv,
209 struct vmw_sw_context *sw_context,
210 struct vmw_resource *res,
211 struct vmw_ctx_validation_info *node)
212{
213 int ret;
214
215 ret = vmw_resource_context_res_add(dev_priv, sw_context, res);
216 if (unlikely(ret != 0))
217 goto out_err;
218
219 if (!sw_context->staged_bindings) {
220 sw_context->staged_bindings = vmw_binding_state_alloc(dev_priv);
221 if (IS_ERR(sw_context->staged_bindings)) {
222 ret = PTR_ERR(sw_context->staged_bindings);
223 sw_context->staged_bindings = NULL;
224 goto out_err;
225 }
226 }
227
228 if (sw_context->staged_bindings_inuse) {
229 node->staged = vmw_binding_state_alloc(dev_priv);
230 if (IS_ERR(node->staged)) {
231 ret = PTR_ERR(node->staged);
232 node->staged = NULL;
233 goto out_err;
234 }
235 } else {
236 node->staged = sw_context->staged_bindings;
237 sw_context->staged_bindings_inuse = true;
238 }
239
240 node->ctx = res;
241 node->cur = vmw_context_binding_state(res);
242 list_add_tail(&node->head, &sw_context->ctx_list);
243
244 return 0;
245
246out_err:
247 return ret;
248}
249
250/**
251 * vmw_execbuf_res_size - calculate extra size fore the resource validation node
252 *
253 * @dev_priv: Pointer to the device private struct.
254 * @res_type: The resource type.
255 *
256 * Guest-backed contexts and DX contexts require extra size to store execbuf
257 * private information in the validation node. Typically the binding manager
258 * associated data structures.
259 *
260 * Returns: The extra size requirement based on resource type.
261 */
262static unsigned int vmw_execbuf_res_size(struct vmw_private *dev_priv,
263 enum vmw_res_type res_type)
264{
265 return (res_type == vmw_res_dx_context ||
266 (res_type == vmw_res_context && dev_priv->has_mob)) ?
267 sizeof(struct vmw_ctx_validation_info) : 0;
268}
269
270/**
271 * vmw_execbuf_rcache_update - Update a resource-node cache entry
272 *
273 * @rcache: Pointer to the entry to update.
274 * @res: Pointer to the resource.
275 * @private: Pointer to the execbuf-private space in the resource validation
276 * node.
277 */
278static void vmw_execbuf_rcache_update(struct vmw_res_cache_entry *rcache,
279 struct vmw_resource *res,
280 void *private)
281{
282 rcache->res = res;
283 rcache->private = private;
284 rcache->valid = 1;
285 rcache->valid_handle = 0;
286}
287
288/**
289 * vmw_execbuf_res_noref_val_add - Add a resource described by an unreferenced
290 * rcu-protected pointer to the validation list.
291 *
292 * @sw_context: Pointer to the software context.
293 * @res: Unreferenced rcu-protected pointer to the resource.
294 * @dirty: Whether to change dirty status.
295 *
296 * Returns: 0 on success. Negative error code on failure. Typical error codes
297 * are %-EINVAL on inconsistency and %-ESRCH if the resource was doomed.
298 */
299static int vmw_execbuf_res_noref_val_add(struct vmw_sw_context *sw_context,
300 struct vmw_resource *res,
301 u32 dirty)
302{
303 struct vmw_private *dev_priv = res->dev_priv;
304 int ret;
305 enum vmw_res_type res_type = vmw_res_type(res);
306 struct vmw_res_cache_entry *rcache;
307 struct vmw_ctx_validation_info *ctx_info;
308 bool first_usage;
309 unsigned int priv_size;
310
311 rcache = &sw_context->res_cache[res_type];
312 if (likely(rcache->valid && rcache->res == res)) {
313 if (dirty)
314 vmw_validation_res_set_dirty(sw_context->ctx,
315 rcache->private, dirty);
316 vmw_user_resource_noref_release();
317 return 0;
318 }
319
320 priv_size = vmw_execbuf_res_size(dev_priv, res_type);
321 ret = vmw_validation_add_resource(sw_context->ctx, res, priv_size,
322 dirty, (void **)&ctx_info,
323 &first_usage);
324 vmw_user_resource_noref_release();
325 if (ret)
326 return ret;
327
328 if (priv_size && first_usage) {
329 ret = vmw_cmd_ctx_first_setup(dev_priv, sw_context, res,
330 ctx_info);
331 if (ret) {
332 VMW_DEBUG_USER("Failed first usage context setup.\n");
333 return ret;
334 }
335 }
336
337 vmw_execbuf_rcache_update(rcache, res, ctx_info);
338 return 0;
339}
340
341/**
342 * vmw_execbuf_res_noctx_val_add - Add a non-context resource to the resource
343 * validation list if it's not already on it
344 *
345 * @sw_context: Pointer to the software context.
346 * @res: Pointer to the resource.
347 * @dirty: Whether to change dirty status.
348 *
349 * Returns: Zero on success. Negative error code on failure.
350 */
351static int vmw_execbuf_res_noctx_val_add(struct vmw_sw_context *sw_context,
352 struct vmw_resource *res,
353 u32 dirty)
354{
355 struct vmw_res_cache_entry *rcache;
356 enum vmw_res_type res_type = vmw_res_type(res);
357 void *ptr;
358 int ret;
359
360 rcache = &sw_context->res_cache[res_type];
361 if (likely(rcache->valid && rcache->res == res)) {
362 if (dirty)
363 vmw_validation_res_set_dirty(sw_context->ctx,
364 rcache->private, dirty);
365 return 0;
366 }
367
368 ret = vmw_validation_add_resource(sw_context->ctx, res, 0, dirty,
369 &ptr, NULL);
370 if (ret)
371 return ret;
372
373 vmw_execbuf_rcache_update(rcache, res, ptr);
374
375 return 0;
376}
377
378/**
379 * vmw_view_res_val_add - Add a view and the surface it's pointing to to the
380 * validation list
381 *
382 * @sw_context: The software context holding the validation list.
383 * @view: Pointer to the view resource.
384 *
385 * Returns 0 if success, negative error code otherwise.
386 */
387static int vmw_view_res_val_add(struct vmw_sw_context *sw_context,
388 struct vmw_resource *view)
389{
390 int ret;
391
392 /*
393 * First add the resource the view is pointing to, otherwise it may be
394 * swapped out when the view is validated.
395 */
396 ret = vmw_execbuf_res_noctx_val_add(sw_context, vmw_view_srf(view),
397 vmw_view_dirtying(view));
398 if (ret)
399 return ret;
400
401 return vmw_execbuf_res_noctx_val_add(sw_context, view,
402 VMW_RES_DIRTY_NONE);
403}
404
405/**
406 * vmw_view_id_val_add - Look up a view and add it and the surface it's pointing
407 * to to the validation list.
408 *
409 * @sw_context: The software context holding the validation list.
410 * @view_type: The view type to look up.
411 * @id: view id of the view.
412 *
413 * The view is represented by a view id and the DX context it's created on, or
414 * scheduled for creation on. If there is no DX context set, the function will
415 * return an -EINVAL error pointer.
416 *
417 * Returns: Unreferenced pointer to the resource on success, negative error
418 * pointer on failure.
419 */
420static struct vmw_resource *
421vmw_view_id_val_add(struct vmw_sw_context *sw_context,
422 enum vmw_view_type view_type, u32 id)
423{
424 struct vmw_ctx_validation_info *ctx_node = sw_context->dx_ctx_node;
425 struct vmw_resource *view;
426 int ret;
427
428 if (!ctx_node)
429 return ERR_PTR(-EINVAL);
430
431 view = vmw_view_lookup(sw_context->man, view_type, id);
432 if (IS_ERR(view))
433 return view;
434
435 ret = vmw_view_res_val_add(sw_context, view);
436 if (ret)
437 return ERR_PTR(ret);
438
439 return view;
440}
441
442/**
443 * vmw_resource_context_res_add - Put resources previously bound to a context on
444 * the validation list
445 *
446 * @dev_priv: Pointer to a device private structure
447 * @sw_context: Pointer to a software context used for this command submission
448 * @ctx: Pointer to the context resource
449 *
450 * This function puts all resources that were previously bound to @ctx on the
451 * resource validation list. This is part of the context state reemission
452 */
453static int vmw_resource_context_res_add(struct vmw_private *dev_priv,
454 struct vmw_sw_context *sw_context,
455 struct vmw_resource *ctx)
456{
457 struct list_head *binding_list;
458 struct vmw_ctx_bindinfo *entry;
459 int ret = 0;
460 struct vmw_resource *res;
461 u32 i;
462
463 /* Add all cotables to the validation list. */
464 if (dev_priv->has_dx && vmw_res_type(ctx) == vmw_res_dx_context) {
465 for (i = 0; i < SVGA_COTABLE_DX10_MAX; ++i) {
466 res = vmw_context_cotable(ctx, i);
467 if (IS_ERR(res))
468 continue;
469
470 ret = vmw_execbuf_res_noctx_val_add(sw_context, res,
471 VMW_RES_DIRTY_SET);
472 if (unlikely(ret != 0))
473 return ret;
474 }
475 }
476
477 /* Add all resources bound to the context to the validation list */
478 mutex_lock(&dev_priv->binding_mutex);
479 binding_list = vmw_context_binding_list(ctx);
480
481 list_for_each_entry(entry, binding_list, ctx_list) {
482 if (vmw_res_type(entry->res) == vmw_res_view)
483 ret = vmw_view_res_val_add(sw_context, entry->res);
484 else
485 ret = vmw_execbuf_res_noctx_val_add
486 (sw_context, entry->res,
487 vmw_binding_dirtying(entry->bt));
488 if (unlikely(ret != 0))
489 break;
490 }
491
492 if (dev_priv->has_dx && vmw_res_type(ctx) == vmw_res_dx_context) {
493 struct vmw_buffer_object *dx_query_mob;
494
495 dx_query_mob = vmw_context_get_dx_query_mob(ctx);
496 if (dx_query_mob)
497 ret = vmw_validation_add_bo(sw_context->ctx,
498 dx_query_mob, true, false);
499 }
500
501 mutex_unlock(&dev_priv->binding_mutex);
502 return ret;
503}
504
505/**
506 * vmw_resource_relocation_add - Add a relocation to the relocation list
507 *
508 * @list: Pointer to head of relocation list.
509 * @res: The resource.
510 * @offset: Offset into the command buffer currently being parsed where the id
511 * that needs fixup is located. Granularity is one byte.
512 * @rel_type: Relocation type.
513 */
514static int vmw_resource_relocation_add(struct vmw_sw_context *sw_context,
515 const struct vmw_resource *res,
516 unsigned long offset,
517 enum vmw_resource_relocation_type
518 rel_type)
519{
520 struct vmw_resource_relocation *rel;
521
522 rel = vmw_validation_mem_alloc(sw_context->ctx, sizeof(*rel));
523 if (unlikely(!rel)) {
524 VMW_DEBUG_USER("Failed to allocate a resource relocation.\n");
525 return -ENOMEM;
526 }
527
528 rel->res = res;
529 rel->offset = offset;
530 rel->rel_type = rel_type;
531 list_add_tail(&rel->head, &sw_context->res_relocations);
532
533 return 0;
534}
535
536/**
537 * vmw_resource_relocations_free - Free all relocations on a list
538 *
539 * @list: Pointer to the head of the relocation list
540 */
541static void vmw_resource_relocations_free(struct list_head *list)
542{
543 /* Memory is validation context memory, so no need to free it */
544 INIT_LIST_HEAD(list);
545}
546
547/**
548 * vmw_resource_relocations_apply - Apply all relocations on a list
549 *
550 * @cb: Pointer to the start of the command buffer bein patch. This need not be
551 * the same buffer as the one being parsed when the relocation list was built,
552 * but the contents must be the same modulo the resource ids.
553 * @list: Pointer to the head of the relocation list.
554 */
555static void vmw_resource_relocations_apply(uint32_t *cb,
556 struct list_head *list)
557{
558 struct vmw_resource_relocation *rel;
559
560 /* Validate the struct vmw_resource_relocation member size */
561 BUILD_BUG_ON(SVGA_CB_MAX_SIZE >= (1 << 29));
562 BUILD_BUG_ON(vmw_res_rel_max >= (1 << 3));
563
564 list_for_each_entry(rel, list, head) {
565 u32 *addr = (u32 *)((unsigned long) cb + rel->offset);
566 switch (rel->rel_type) {
567 case vmw_res_rel_normal:
568 *addr = rel->res->id;
569 break;
570 case vmw_res_rel_nop:
571 *addr = SVGA_3D_CMD_NOP;
572 break;
573 default:
574 if (rel->res->id == -1)
575 *addr = SVGA_3D_CMD_NOP;
576 break;
577 }
578 }
579}
580
581static int vmw_cmd_invalid(struct vmw_private *dev_priv,
582 struct vmw_sw_context *sw_context,
583 SVGA3dCmdHeader *header)
584{
585 return -EINVAL;
586}
587
588static int vmw_cmd_ok(struct vmw_private *dev_priv,
589 struct vmw_sw_context *sw_context,
590 SVGA3dCmdHeader *header)
591{
592 return 0;
593}
594
595/**
596 * vmw_resources_reserve - Reserve all resources on the sw_context's resource
597 * list.
598 *
599 * @sw_context: Pointer to the software context.
600 *
601 * Note that since vmware's command submission currently is protected by the
602 * cmdbuf mutex, no fancy deadlock avoidance is required for resources, since
603 * only a single thread at once will attempt this.
604 */
605static int vmw_resources_reserve(struct vmw_sw_context *sw_context)
606{
607 int ret;
608
609 ret = vmw_validation_res_reserve(sw_context->ctx, true);
610 if (ret)
611 return ret;
612
613 if (sw_context->dx_query_mob) {
614 struct vmw_buffer_object *expected_dx_query_mob;
615
616 expected_dx_query_mob =
617 vmw_context_get_dx_query_mob(sw_context->dx_query_ctx);
618 if (expected_dx_query_mob &&
619 expected_dx_query_mob != sw_context->dx_query_mob) {
620 ret = -EINVAL;
621 }
622 }
623
624 return ret;
625}
626
627/**
628 * vmw_cmd_res_check - Check that a resource is present and if so, put it on the
629 * resource validate list unless it's already there.
630 *
631 * @dev_priv: Pointer to a device private structure.
632 * @sw_context: Pointer to the software context.
633 * @res_type: Resource type.
634 * @dirty: Whether to change dirty status.
635 * @converter: User-space visisble type specific information.
636 * @id_loc: Pointer to the location in the command buffer currently being parsed
637 * from where the user-space resource id handle is located.
638 * @p_val: Pointer to pointer to resource validalidation node. Populated on
639 * exit.
640 */
641static int
642vmw_cmd_res_check(struct vmw_private *dev_priv,
643 struct vmw_sw_context *sw_context,
644 enum vmw_res_type res_type,
645 u32 dirty,
646 const struct vmw_user_resource_conv *converter,
647 uint32_t *id_loc,
648 struct vmw_resource **p_res)
649{
650 struct vmw_res_cache_entry *rcache = &sw_context->res_cache[res_type];
651 struct vmw_resource *res;
652 int ret;
653
654 if (p_res)
655 *p_res = NULL;
656
657 if (*id_loc == SVGA3D_INVALID_ID) {
658 if (res_type == vmw_res_context) {
659 VMW_DEBUG_USER("Illegal context invalid id.\n");
660 return -EINVAL;
661 }
662 return 0;
663 }
664
665 if (likely(rcache->valid_handle && *id_loc == rcache->handle)) {
666 res = rcache->res;
667 if (dirty)
668 vmw_validation_res_set_dirty(sw_context->ctx,
669 rcache->private, dirty);
670 } else {
671 unsigned int size = vmw_execbuf_res_size(dev_priv, res_type);
672
673 ret = vmw_validation_preload_res(sw_context->ctx, size);
674 if (ret)
675 return ret;
676
677 res = vmw_user_resource_noref_lookup_handle
678 (dev_priv, sw_context->fp->tfile, *id_loc, converter);
679 if (IS_ERR(res)) {
680 VMW_DEBUG_USER("Could not find/use resource 0x%08x.\n",
681 (unsigned int) *id_loc);
682 return PTR_ERR(res);
683 }
684
685 ret = vmw_execbuf_res_noref_val_add(sw_context, res, dirty);
686 if (unlikely(ret != 0))
687 return ret;
688
689 if (rcache->valid && rcache->res == res) {
690 rcache->valid_handle = true;
691 rcache->handle = *id_loc;
692 }
693 }
694
695 ret = vmw_resource_relocation_add(sw_context, res,
696 vmw_ptr_diff(sw_context->buf_start,
697 id_loc),
698 vmw_res_rel_normal);
699 if (p_res)
700 *p_res = res;
701
702 return 0;
703}
704
705/**
706 * vmw_rebind_dx_query - Rebind DX query associated with the context
707 *
708 * @ctx_res: context the query belongs to
709 *
710 * This function assumes binding_mutex is held.
711 */
712static int vmw_rebind_all_dx_query(struct vmw_resource *ctx_res)
713{
714 struct vmw_private *dev_priv = ctx_res->dev_priv;
715 struct vmw_buffer_object *dx_query_mob;
716 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXBindAllQuery);
717
718 dx_query_mob = vmw_context_get_dx_query_mob(ctx_res);
719
720 if (!dx_query_mob || dx_query_mob->dx_query_ctx)
721 return 0;
722
723 cmd = VMW_FIFO_RESERVE_DX(dev_priv, sizeof(*cmd), ctx_res->id);
724 if (cmd == NULL)
725 return -ENOMEM;
726
727 cmd->header.id = SVGA_3D_CMD_DX_BIND_ALL_QUERY;
728 cmd->header.size = sizeof(cmd->body);
729 cmd->body.cid = ctx_res->id;
730 cmd->body.mobid = dx_query_mob->base.mem.start;
731 vmw_fifo_commit(dev_priv, sizeof(*cmd));
732
733 vmw_context_bind_dx_query(ctx_res, dx_query_mob);
734
735 return 0;
736}
737
738/**
739 * vmw_rebind_contexts - Rebind all resources previously bound to referenced
740 * contexts.
741 *
742 * @sw_context: Pointer to the software context.
743 *
744 * Rebind context binding points that have been scrubbed because of eviction.
745 */
746static int vmw_rebind_contexts(struct vmw_sw_context *sw_context)
747{
748 struct vmw_ctx_validation_info *val;
749 int ret;
750
751 list_for_each_entry(val, &sw_context->ctx_list, head) {
752 ret = vmw_binding_rebind_all(val->cur);
753 if (unlikely(ret != 0)) {
754 if (ret != -ERESTARTSYS)
755 VMW_DEBUG_USER("Failed to rebind context.\n");
756 return ret;
757 }
758
759 ret = vmw_rebind_all_dx_query(val->ctx);
760 if (ret != 0) {
761 VMW_DEBUG_USER("Failed to rebind queries.\n");
762 return ret;
763 }
764 }
765
766 return 0;
767}
768
769/**
770 * vmw_view_bindings_add - Add an array of view bindings to a context binding
771 * state tracker.
772 *
773 * @sw_context: The execbuf state used for this command.
774 * @view_type: View type for the bindings.
775 * @binding_type: Binding type for the bindings.
776 * @shader_slot: The shader slot to user for the bindings.
777 * @view_ids: Array of view ids to be bound.
778 * @num_views: Number of view ids in @view_ids.
779 * @first_slot: The binding slot to be used for the first view id in @view_ids.
780 */
781static int vmw_view_bindings_add(struct vmw_sw_context *sw_context,
782 enum vmw_view_type view_type,
783 enum vmw_ctx_binding_type binding_type,
784 uint32 shader_slot,
785 uint32 view_ids[], u32 num_views,
786 u32 first_slot)
787{
788 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
789 u32 i;
790
791 if (!ctx_node)
792 return -EINVAL;
793
794 for (i = 0; i < num_views; ++i) {
795 struct vmw_ctx_bindinfo_view binding;
796 struct vmw_resource *view = NULL;
797
798 if (view_ids[i] != SVGA3D_INVALID_ID) {
799 view = vmw_view_id_val_add(sw_context, view_type,
800 view_ids[i]);
801 if (IS_ERR(view)) {
802 VMW_DEBUG_USER("View not found.\n");
803 return PTR_ERR(view);
804 }
805 }
806 binding.bi.ctx = ctx_node->ctx;
807 binding.bi.res = view;
808 binding.bi.bt = binding_type;
809 binding.shader_slot = shader_slot;
810 binding.slot = first_slot + i;
811 vmw_binding_add(ctx_node->staged, &binding.bi,
812 shader_slot, binding.slot);
813 }
814
815 return 0;
816}
817
818/**
819 * vmw_cmd_cid_check - Check a command header for valid context information.
820 *
821 * @dev_priv: Pointer to a device private structure.
822 * @sw_context: Pointer to the software context.
823 * @header: A command header with an embedded user-space context handle.
824 *
825 * Convenience function: Call vmw_cmd_res_check with the user-space context
826 * handle embedded in @header.
827 */
828static int vmw_cmd_cid_check(struct vmw_private *dev_priv,
829 struct vmw_sw_context *sw_context,
830 SVGA3dCmdHeader *header)
831{
832 VMW_DECLARE_CMD_VAR(*cmd, uint32_t) =
833 container_of(header, typeof(*cmd), header);
834
835 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
836 VMW_RES_DIRTY_SET, user_context_converter,
837 &cmd->body, NULL);
838}
839
840/**
841 * vmw_execbuf_info_from_res - Get the private validation metadata for a
842 * recently validated resource
843 *
844 * @sw_context: Pointer to the command submission context
845 * @res: The resource
846 *
847 * The resource pointed to by @res needs to be present in the command submission
848 * context's resource cache and hence the last resource of that type to be
849 * processed by the validation code.
850 *
851 * Return: a pointer to the private metadata of the resource, or NULL if it
852 * wasn't found
853 */
854static struct vmw_ctx_validation_info *
855vmw_execbuf_info_from_res(struct vmw_sw_context *sw_context,
856 struct vmw_resource *res)
857{
858 struct vmw_res_cache_entry *rcache =
859 &sw_context->res_cache[vmw_res_type(res)];
860
861 if (rcache->valid && rcache->res == res)
862 return rcache->private;
863
864 WARN_ON_ONCE(true);
865 return NULL;
866}
867
868static int vmw_cmd_set_render_target_check(struct vmw_private *dev_priv,
869 struct vmw_sw_context *sw_context,
870 SVGA3dCmdHeader *header)
871{
872 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdSetRenderTarget);
873 struct vmw_resource *ctx;
874 struct vmw_resource *res;
875 int ret;
876
877 cmd = container_of(header, typeof(*cmd), header);
878
879 if (cmd->body.type >= SVGA3D_RT_MAX) {
880 VMW_DEBUG_USER("Illegal render target type %u.\n",
881 (unsigned int) cmd->body.type);
882 return -EINVAL;
883 }
884
885 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
886 VMW_RES_DIRTY_SET, user_context_converter,
887 &cmd->body.cid, &ctx);
888 if (unlikely(ret != 0))
889 return ret;
890
891 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
892 VMW_RES_DIRTY_SET, user_surface_converter,
893 &cmd->body.target.sid, &res);
894 if (unlikely(ret))
895 return ret;
896
897 if (dev_priv->has_mob) {
898 struct vmw_ctx_bindinfo_view binding;
899 struct vmw_ctx_validation_info *node;
900
901 node = vmw_execbuf_info_from_res(sw_context, ctx);
902 if (!node)
903 return -EINVAL;
904
905 binding.bi.ctx = ctx;
906 binding.bi.res = res;
907 binding.bi.bt = vmw_ctx_binding_rt;
908 binding.slot = cmd->body.type;
909 vmw_binding_add(node->staged, &binding.bi, 0, binding.slot);
910 }
911
912 return 0;
913}
914
915static int vmw_cmd_surface_copy_check(struct vmw_private *dev_priv,
916 struct vmw_sw_context *sw_context,
917 SVGA3dCmdHeader *header)
918{
919 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdSurfaceCopy);
920 int ret;
921
922 cmd = container_of(header, typeof(*cmd), header);
923
924 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
925 VMW_RES_DIRTY_NONE, user_surface_converter,
926 &cmd->body.src.sid, NULL);
927 if (ret)
928 return ret;
929
930 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
931 VMW_RES_DIRTY_SET, user_surface_converter,
932 &cmd->body.dest.sid, NULL);
933}
934
935static int vmw_cmd_buffer_copy_check(struct vmw_private *dev_priv,
936 struct vmw_sw_context *sw_context,
937 SVGA3dCmdHeader *header)
938{
939 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXBufferCopy);
940 int ret;
941
942 cmd = container_of(header, typeof(*cmd), header);
943 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
944 VMW_RES_DIRTY_NONE, user_surface_converter,
945 &cmd->body.src, NULL);
946 if (ret != 0)
947 return ret;
948
949 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
950 VMW_RES_DIRTY_SET, user_surface_converter,
951 &cmd->body.dest, NULL);
952}
953
954static int vmw_cmd_pred_copy_check(struct vmw_private *dev_priv,
955 struct vmw_sw_context *sw_context,
956 SVGA3dCmdHeader *header)
957{
958 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXPredCopyRegion);
959 int ret;
960
961 cmd = container_of(header, typeof(*cmd), header);
962 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
963 VMW_RES_DIRTY_NONE, user_surface_converter,
964 &cmd->body.srcSid, NULL);
965 if (ret != 0)
966 return ret;
967
968 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
969 VMW_RES_DIRTY_SET, user_surface_converter,
970 &cmd->body.dstSid, NULL);
971}
972
973static int vmw_cmd_stretch_blt_check(struct vmw_private *dev_priv,
974 struct vmw_sw_context *sw_context,
975 SVGA3dCmdHeader *header)
976{
977 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdSurfaceStretchBlt);
978 int ret;
979
980 cmd = container_of(header, typeof(*cmd), header);
981 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
982 VMW_RES_DIRTY_NONE, user_surface_converter,
983 &cmd->body.src.sid, NULL);
984 if (unlikely(ret != 0))
985 return ret;
986
987 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
988 VMW_RES_DIRTY_SET, user_surface_converter,
989 &cmd->body.dest.sid, NULL);
990}
991
992static int vmw_cmd_blt_surf_screen_check(struct vmw_private *dev_priv,
993 struct vmw_sw_context *sw_context,
994 SVGA3dCmdHeader *header)
995{
996 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdBlitSurfaceToScreen) =
997 container_of(header, typeof(*cmd), header);
998
999 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1000 VMW_RES_DIRTY_NONE, user_surface_converter,
1001 &cmd->body.srcImage.sid, NULL);
1002}
1003
1004static int vmw_cmd_present_check(struct vmw_private *dev_priv,
1005 struct vmw_sw_context *sw_context,
1006 SVGA3dCmdHeader *header)
1007{
1008 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdPresent) =
1009 container_of(header, typeof(*cmd), header);
1010
1011 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1012 VMW_RES_DIRTY_NONE, user_surface_converter,
1013 &cmd->body.sid, NULL);
1014}
1015
1016/**
1017 * vmw_query_bo_switch_prepare - Prepare to switch pinned buffer for queries.
1018 *
1019 * @dev_priv: The device private structure.
1020 * @new_query_bo: The new buffer holding query results.
1021 * @sw_context: The software context used for this command submission.
1022 *
1023 * This function checks whether @new_query_bo is suitable for holding query
1024 * results, and if another buffer currently is pinned for query results. If so,
1025 * the function prepares the state of @sw_context for switching pinned buffers
1026 * after successful submission of the current command batch.
1027 */
1028static int vmw_query_bo_switch_prepare(struct vmw_private *dev_priv,
1029 struct vmw_buffer_object *new_query_bo,
1030 struct vmw_sw_context *sw_context)
1031{
1032 struct vmw_res_cache_entry *ctx_entry =
1033 &sw_context->res_cache[vmw_res_context];
1034 int ret;
1035
1036 BUG_ON(!ctx_entry->valid);
1037 sw_context->last_query_ctx = ctx_entry->res;
1038
1039 if (unlikely(new_query_bo != sw_context->cur_query_bo)) {
1040
1041 if (unlikely(new_query_bo->base.num_pages > 4)) {
1042 VMW_DEBUG_USER("Query buffer too large.\n");
1043 return -EINVAL;
1044 }
1045
1046 if (unlikely(sw_context->cur_query_bo != NULL)) {
1047 sw_context->needs_post_query_barrier = true;
1048 ret = vmw_validation_add_bo(sw_context->ctx,
1049 sw_context->cur_query_bo,
1050 dev_priv->has_mob, false);
1051 if (unlikely(ret != 0))
1052 return ret;
1053 }
1054 sw_context->cur_query_bo = new_query_bo;
1055
1056 ret = vmw_validation_add_bo(sw_context->ctx,
1057 dev_priv->dummy_query_bo,
1058 dev_priv->has_mob, false);
1059 if (unlikely(ret != 0))
1060 return ret;
1061 }
1062
1063 return 0;
1064}
1065
1066/**
1067 * vmw_query_bo_switch_commit - Finalize switching pinned query buffer
1068 *
1069 * @dev_priv: The device private structure.
1070 * @sw_context: The software context used for this command submission batch.
1071 *
1072 * This function will check if we're switching query buffers, and will then,
1073 * issue a dummy occlusion query wait used as a query barrier. When the fence
1074 * object following that query wait has signaled, we are sure that all preceding
1075 * queries have finished, and the old query buffer can be unpinned. However,
1076 * since both the new query buffer and the old one are fenced with that fence,
1077 * we can do an asynchronus unpin now, and be sure that the old query buffer
1078 * won't be moved until the fence has signaled.
1079 *
1080 * As mentioned above, both the new - and old query buffers need to be fenced
1081 * using a sequence emitted *after* calling this function.
1082 */
1083static void vmw_query_bo_switch_commit(struct vmw_private *dev_priv,
1084 struct vmw_sw_context *sw_context)
1085{
1086 /*
1087 * The validate list should still hold references to all
1088 * contexts here.
1089 */
1090 if (sw_context->needs_post_query_barrier) {
1091 struct vmw_res_cache_entry *ctx_entry =
1092 &sw_context->res_cache[vmw_res_context];
1093 struct vmw_resource *ctx;
1094 int ret;
1095
1096 BUG_ON(!ctx_entry->valid);
1097 ctx = ctx_entry->res;
1098
1099 ret = vmw_fifo_emit_dummy_query(dev_priv, ctx->id);
1100
1101 if (unlikely(ret != 0))
1102 VMW_DEBUG_USER("Out of fifo space for dummy query.\n");
1103 }
1104
1105 if (dev_priv->pinned_bo != sw_context->cur_query_bo) {
1106 if (dev_priv->pinned_bo) {
1107 vmw_bo_pin_reserved(dev_priv->pinned_bo, false);
1108 vmw_bo_unreference(&dev_priv->pinned_bo);
1109 }
1110
1111 if (!sw_context->needs_post_query_barrier) {
1112 vmw_bo_pin_reserved(sw_context->cur_query_bo, true);
1113
1114 /*
1115 * We pin also the dummy_query_bo buffer so that we
1116 * don't need to validate it when emitting dummy queries
1117 * in context destroy paths.
1118 */
1119 if (!dev_priv->dummy_query_bo_pinned) {
1120 vmw_bo_pin_reserved(dev_priv->dummy_query_bo,
1121 true);
1122 dev_priv->dummy_query_bo_pinned = true;
1123 }
1124
1125 BUG_ON(sw_context->last_query_ctx == NULL);
1126 dev_priv->query_cid = sw_context->last_query_ctx->id;
1127 dev_priv->query_cid_valid = true;
1128 dev_priv->pinned_bo =
1129 vmw_bo_reference(sw_context->cur_query_bo);
1130 }
1131 }
1132}
1133
1134/**
1135 * vmw_translate_mob_pointer - Prepare to translate a user-space buffer handle
1136 * to a MOB id.
1137 *
1138 * @dev_priv: Pointer to a device private structure.
1139 * @sw_context: The software context used for this command batch validation.
1140 * @id: Pointer to the user-space handle to be translated.
1141 * @vmw_bo_p: Points to a location that, on successful return will carry a
1142 * non-reference-counted pointer to the buffer object identified by the
1143 * user-space handle in @id.
1144 *
1145 * This function saves information needed to translate a user-space buffer
1146 * handle to a MOB id. The translation does not take place immediately, but
1147 * during a call to vmw_apply_relocations().
1148 *
1149 * This function builds a relocation list and a list of buffers to validate. The
1150 * former needs to be freed using either vmw_apply_relocations() or
1151 * vmw_free_relocations(). The latter needs to be freed using
1152 * vmw_clear_validations.
1153 */
1154static int vmw_translate_mob_ptr(struct vmw_private *dev_priv,
1155 struct vmw_sw_context *sw_context,
1156 SVGAMobId *id,
1157 struct vmw_buffer_object **vmw_bo_p)
1158{
1159 struct vmw_buffer_object *vmw_bo;
1160 uint32_t handle = *id;
1161 struct vmw_relocation *reloc;
1162 int ret;
1163
1164 vmw_validation_preload_bo(sw_context->ctx);
1165 vmw_bo = vmw_user_bo_noref_lookup(sw_context->fp->tfile, handle);
1166 if (IS_ERR(vmw_bo)) {
1167 VMW_DEBUG_USER("Could not find or use MOB buffer.\n");
1168 return PTR_ERR(vmw_bo);
1169 }
1170
1171 ret = vmw_validation_add_bo(sw_context->ctx, vmw_bo, true, false);
1172 vmw_user_bo_noref_release();
1173 if (unlikely(ret != 0))
1174 return ret;
1175
1176 reloc = vmw_validation_mem_alloc(sw_context->ctx, sizeof(*reloc));
1177 if (!reloc)
1178 return -ENOMEM;
1179
1180 reloc->mob_loc = id;
1181 reloc->vbo = vmw_bo;
1182
1183 *vmw_bo_p = vmw_bo;
1184 list_add_tail(&reloc->head, &sw_context->bo_relocations);
1185
1186 return 0;
1187}
1188
1189/**
1190 * vmw_translate_guest_pointer - Prepare to translate a user-space buffer handle
1191 * to a valid SVGAGuestPtr
1192 *
1193 * @dev_priv: Pointer to a device private structure.
1194 * @sw_context: The software context used for this command batch validation.
1195 * @ptr: Pointer to the user-space handle to be translated.
1196 * @vmw_bo_p: Points to a location that, on successful return will carry a
1197 * non-reference-counted pointer to the DMA buffer identified by the user-space
1198 * handle in @id.
1199 *
1200 * This function saves information needed to translate a user-space buffer
1201 * handle to a valid SVGAGuestPtr. The translation does not take place
1202 * immediately, but during a call to vmw_apply_relocations().
1203 *
1204 * This function builds a relocation list and a list of buffers to validate.
1205 * The former needs to be freed using either vmw_apply_relocations() or
1206 * vmw_free_relocations(). The latter needs to be freed using
1207 * vmw_clear_validations.
1208 */
1209static int vmw_translate_guest_ptr(struct vmw_private *dev_priv,
1210 struct vmw_sw_context *sw_context,
1211 SVGAGuestPtr *ptr,
1212 struct vmw_buffer_object **vmw_bo_p)
1213{
1214 struct vmw_buffer_object *vmw_bo;
1215 uint32_t handle = ptr->gmrId;
1216 struct vmw_relocation *reloc;
1217 int ret;
1218
1219 vmw_validation_preload_bo(sw_context->ctx);
1220 vmw_bo = vmw_user_bo_noref_lookup(sw_context->fp->tfile, handle);
1221 if (IS_ERR(vmw_bo)) {
1222 VMW_DEBUG_USER("Could not find or use GMR region.\n");
1223 return PTR_ERR(vmw_bo);
1224 }
1225
1226 ret = vmw_validation_add_bo(sw_context->ctx, vmw_bo, false, false);
1227 vmw_user_bo_noref_release();
1228 if (unlikely(ret != 0))
1229 return ret;
1230
1231 reloc = vmw_validation_mem_alloc(sw_context->ctx, sizeof(*reloc));
1232 if (!reloc)
1233 return -ENOMEM;
1234
1235 reloc->location = ptr;
1236 reloc->vbo = vmw_bo;
1237 *vmw_bo_p = vmw_bo;
1238 list_add_tail(&reloc->head, &sw_context->bo_relocations);
1239
1240 return 0;
1241}
1242
1243/**
1244 * vmw_cmd_dx_define_query - validate SVGA_3D_CMD_DX_DEFINE_QUERY command.
1245 *
1246 * @dev_priv: Pointer to a device private struct.
1247 * @sw_context: The software context used for this command submission.
1248 * @header: Pointer to the command header in the command stream.
1249 *
1250 * This function adds the new query into the query COTABLE
1251 */
1252static int vmw_cmd_dx_define_query(struct vmw_private *dev_priv,
1253 struct vmw_sw_context *sw_context,
1254 SVGA3dCmdHeader *header)
1255{
1256 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXDefineQuery);
1257 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
1258 struct vmw_resource *cotable_res;
1259 int ret;
1260
1261 if (!ctx_node)
1262 return -EINVAL;
1263
1264 cmd = container_of(header, typeof(*cmd), header);
1265
1266 if (cmd->body.type < SVGA3D_QUERYTYPE_MIN ||
1267 cmd->body.type >= SVGA3D_QUERYTYPE_MAX)
1268 return -EINVAL;
1269
1270 cotable_res = vmw_context_cotable(ctx_node->ctx, SVGA_COTABLE_DXQUERY);
1271 ret = vmw_cotable_notify(cotable_res, cmd->body.queryId);
1272
1273 return ret;
1274}
1275
1276/**
1277 * vmw_cmd_dx_bind_query - validate SVGA_3D_CMD_DX_BIND_QUERY command.
1278 *
1279 * @dev_priv: Pointer to a device private struct.
1280 * @sw_context: The software context used for this command submission.
1281 * @header: Pointer to the command header in the command stream.
1282 *
1283 * The query bind operation will eventually associate the query ID with its
1284 * backing MOB. In this function, we take the user mode MOB ID and use
1285 * vmw_translate_mob_ptr() to translate it to its kernel mode equivalent.
1286 */
1287static int vmw_cmd_dx_bind_query(struct vmw_private *dev_priv,
1288 struct vmw_sw_context *sw_context,
1289 SVGA3dCmdHeader *header)
1290{
1291 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXBindQuery);
1292 struct vmw_buffer_object *vmw_bo;
1293 int ret;
1294
1295 cmd = container_of(header, typeof(*cmd), header);
1296
1297 /*
1298 * Look up the buffer pointed to by q.mobid, put it on the relocation
1299 * list so its kernel mode MOB ID can be filled in later
1300 */
1301 ret = vmw_translate_mob_ptr(dev_priv, sw_context, &cmd->body.mobid,
1302 &vmw_bo);
1303
1304 if (ret != 0)
1305 return ret;
1306
1307 sw_context->dx_query_mob = vmw_bo;
1308 sw_context->dx_query_ctx = sw_context->dx_ctx_node->ctx;
1309 return 0;
1310}
1311
1312/**
1313 * vmw_cmd_begin_gb_query - validate SVGA_3D_CMD_BEGIN_GB_QUERY command.
1314 *
1315 * @dev_priv: Pointer to a device private struct.
1316 * @sw_context: The software context used for this command submission.
1317 * @header: Pointer to the command header in the command stream.
1318 */
1319static int vmw_cmd_begin_gb_query(struct vmw_private *dev_priv,
1320 struct vmw_sw_context *sw_context,
1321 SVGA3dCmdHeader *header)
1322{
1323 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdBeginGBQuery) =
1324 container_of(header, typeof(*cmd), header);
1325
1326 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
1327 VMW_RES_DIRTY_SET, user_context_converter,
1328 &cmd->body.cid, NULL);
1329}
1330
1331/**
1332 * vmw_cmd_begin_query - validate SVGA_3D_CMD_BEGIN_QUERY command.
1333 *
1334 * @dev_priv: Pointer to a device private struct.
1335 * @sw_context: The software context used for this command submission.
1336 * @header: Pointer to the command header in the command stream.
1337 */
1338static int vmw_cmd_begin_query(struct vmw_private *dev_priv,
1339 struct vmw_sw_context *sw_context,
1340 SVGA3dCmdHeader *header)
1341{
1342 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdBeginQuery) =
1343 container_of(header, typeof(*cmd), header);
1344
1345 if (unlikely(dev_priv->has_mob)) {
1346 VMW_DECLARE_CMD_VAR(gb_cmd, SVGA3dCmdBeginGBQuery);
1347
1348 BUG_ON(sizeof(gb_cmd) != sizeof(*cmd));
1349
1350 gb_cmd.header.id = SVGA_3D_CMD_BEGIN_GB_QUERY;
1351 gb_cmd.header.size = cmd->header.size;
1352 gb_cmd.body.cid = cmd->body.cid;
1353 gb_cmd.body.type = cmd->body.type;
1354
1355 memcpy(cmd, &gb_cmd, sizeof(*cmd));
1356 return vmw_cmd_begin_gb_query(dev_priv, sw_context, header);
1357 }
1358
1359 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
1360 VMW_RES_DIRTY_SET, user_context_converter,
1361 &cmd->body.cid, NULL);
1362}
1363
1364/**
1365 * vmw_cmd_end_gb_query - validate SVGA_3D_CMD_END_GB_QUERY command.
1366 *
1367 * @dev_priv: Pointer to a device private struct.
1368 * @sw_context: The software context used for this command submission.
1369 * @header: Pointer to the command header in the command stream.
1370 */
1371static int vmw_cmd_end_gb_query(struct vmw_private *dev_priv,
1372 struct vmw_sw_context *sw_context,
1373 SVGA3dCmdHeader *header)
1374{
1375 struct vmw_buffer_object *vmw_bo;
1376 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdEndGBQuery);
1377 int ret;
1378
1379 cmd = container_of(header, typeof(*cmd), header);
1380 ret = vmw_cmd_cid_check(dev_priv, sw_context, header);
1381 if (unlikely(ret != 0))
1382 return ret;
1383
1384 ret = vmw_translate_mob_ptr(dev_priv, sw_context, &cmd->body.mobid,
1385 &vmw_bo);
1386 if (unlikely(ret != 0))
1387 return ret;
1388
1389 ret = vmw_query_bo_switch_prepare(dev_priv, vmw_bo, sw_context);
1390
1391 return ret;
1392}
1393
1394/**
1395 * vmw_cmd_end_query - validate SVGA_3D_CMD_END_QUERY command.
1396 *
1397 * @dev_priv: Pointer to a device private struct.
1398 * @sw_context: The software context used for this command submission.
1399 * @header: Pointer to the command header in the command stream.
1400 */
1401static int vmw_cmd_end_query(struct vmw_private *dev_priv,
1402 struct vmw_sw_context *sw_context,
1403 SVGA3dCmdHeader *header)
1404{
1405 struct vmw_buffer_object *vmw_bo;
1406 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdEndQuery);
1407 int ret;
1408
1409 cmd = container_of(header, typeof(*cmd), header);
1410 if (dev_priv->has_mob) {
1411 VMW_DECLARE_CMD_VAR(gb_cmd, SVGA3dCmdEndGBQuery);
1412
1413 BUG_ON(sizeof(gb_cmd) != sizeof(*cmd));
1414
1415 gb_cmd.header.id = SVGA_3D_CMD_END_GB_QUERY;
1416 gb_cmd.header.size = cmd->header.size;
1417 gb_cmd.body.cid = cmd->body.cid;
1418 gb_cmd.body.type = cmd->body.type;
1419 gb_cmd.body.mobid = cmd->body.guestResult.gmrId;
1420 gb_cmd.body.offset = cmd->body.guestResult.offset;
1421
1422 memcpy(cmd, &gb_cmd, sizeof(*cmd));
1423 return vmw_cmd_end_gb_query(dev_priv, sw_context, header);
1424 }
1425
1426 ret = vmw_cmd_cid_check(dev_priv, sw_context, header);
1427 if (unlikely(ret != 0))
1428 return ret;
1429
1430 ret = vmw_translate_guest_ptr(dev_priv, sw_context,
1431 &cmd->body.guestResult, &vmw_bo);
1432 if (unlikely(ret != 0))
1433 return ret;
1434
1435 ret = vmw_query_bo_switch_prepare(dev_priv, vmw_bo, sw_context);
1436
1437 return ret;
1438}
1439
1440/**
1441 * vmw_cmd_wait_gb_query - validate SVGA_3D_CMD_WAIT_GB_QUERY command.
1442 *
1443 * @dev_priv: Pointer to a device private struct.
1444 * @sw_context: The software context used for this command submission.
1445 * @header: Pointer to the command header in the command stream.
1446 */
1447static int vmw_cmd_wait_gb_query(struct vmw_private *dev_priv,
1448 struct vmw_sw_context *sw_context,
1449 SVGA3dCmdHeader *header)
1450{
1451 struct vmw_buffer_object *vmw_bo;
1452 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdWaitForGBQuery);
1453 int ret;
1454
1455 cmd = container_of(header, typeof(*cmd), header);
1456 ret = vmw_cmd_cid_check(dev_priv, sw_context, header);
1457 if (unlikely(ret != 0))
1458 return ret;
1459
1460 ret = vmw_translate_mob_ptr(dev_priv, sw_context, &cmd->body.mobid,
1461 &vmw_bo);
1462 if (unlikely(ret != 0))
1463 return ret;
1464
1465 return 0;
1466}
1467
1468/**
1469 * vmw_cmd_wait_query - validate SVGA_3D_CMD_WAIT_QUERY command.
1470 *
1471 * @dev_priv: Pointer to a device private struct.
1472 * @sw_context: The software context used for this command submission.
1473 * @header: Pointer to the command header in the command stream.
1474 */
1475static int vmw_cmd_wait_query(struct vmw_private *dev_priv,
1476 struct vmw_sw_context *sw_context,
1477 SVGA3dCmdHeader *header)
1478{
1479 struct vmw_buffer_object *vmw_bo;
1480 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdWaitForQuery);
1481 int ret;
1482
1483 cmd = container_of(header, typeof(*cmd), header);
1484 if (dev_priv->has_mob) {
1485 VMW_DECLARE_CMD_VAR(gb_cmd, SVGA3dCmdWaitForGBQuery);
1486
1487 BUG_ON(sizeof(gb_cmd) != sizeof(*cmd));
1488
1489 gb_cmd.header.id = SVGA_3D_CMD_WAIT_FOR_GB_QUERY;
1490 gb_cmd.header.size = cmd->header.size;
1491 gb_cmd.body.cid = cmd->body.cid;
1492 gb_cmd.body.type = cmd->body.type;
1493 gb_cmd.body.mobid = cmd->body.guestResult.gmrId;
1494 gb_cmd.body.offset = cmd->body.guestResult.offset;
1495
1496 memcpy(cmd, &gb_cmd, sizeof(*cmd));
1497 return vmw_cmd_wait_gb_query(dev_priv, sw_context, header);
1498 }
1499
1500 ret = vmw_cmd_cid_check(dev_priv, sw_context, header);
1501 if (unlikely(ret != 0))
1502 return ret;
1503
1504 ret = vmw_translate_guest_ptr(dev_priv, sw_context,
1505 &cmd->body.guestResult, &vmw_bo);
1506 if (unlikely(ret != 0))
1507 return ret;
1508
1509 return 0;
1510}
1511
1512static int vmw_cmd_dma(struct vmw_private *dev_priv,
1513 struct vmw_sw_context *sw_context,
1514 SVGA3dCmdHeader *header)
1515{
1516 struct vmw_buffer_object *vmw_bo = NULL;
1517 struct vmw_surface *srf = NULL;
1518 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdSurfaceDMA);
1519 int ret;
1520 SVGA3dCmdSurfaceDMASuffix *suffix;
1521 uint32_t bo_size;
1522 bool dirty;
1523
1524 cmd = container_of(header, typeof(*cmd), header);
1525 suffix = (SVGA3dCmdSurfaceDMASuffix *)((unsigned long) &cmd->body +
1526 header->size - sizeof(*suffix));
1527
1528 /* Make sure device and verifier stays in sync. */
1529 if (unlikely(suffix->suffixSize != sizeof(*suffix))) {
1530 VMW_DEBUG_USER("Invalid DMA suffix size.\n");
1531 return -EINVAL;
1532 }
1533
1534 ret = vmw_translate_guest_ptr(dev_priv, sw_context,
1535 &cmd->body.guest.ptr, &vmw_bo);
1536 if (unlikely(ret != 0))
1537 return ret;
1538
1539 /* Make sure DMA doesn't cross BO boundaries. */
1540 bo_size = vmw_bo->base.num_pages * PAGE_SIZE;
1541 if (unlikely(cmd->body.guest.ptr.offset > bo_size)) {
1542 VMW_DEBUG_USER("Invalid DMA offset.\n");
1543 return -EINVAL;
1544 }
1545
1546 bo_size -= cmd->body.guest.ptr.offset;
1547 if (unlikely(suffix->maximumOffset > bo_size))
1548 suffix->maximumOffset = bo_size;
1549
1550 dirty = (cmd->body.transfer == SVGA3D_WRITE_HOST_VRAM) ?
1551 VMW_RES_DIRTY_SET : 0;
1552 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1553 dirty, user_surface_converter,
1554 &cmd->body.host.sid, NULL);
1555 if (unlikely(ret != 0)) {
1556 if (unlikely(ret != -ERESTARTSYS))
1557 VMW_DEBUG_USER("could not find surface for DMA.\n");
1558 return ret;
1559 }
1560
1561 srf = vmw_res_to_srf(sw_context->res_cache[vmw_res_surface].res);
1562
1563 vmw_kms_cursor_snoop(srf, sw_context->fp->tfile, &vmw_bo->base, header);
1564
1565 return 0;
1566}
1567
1568static int vmw_cmd_draw(struct vmw_private *dev_priv,
1569 struct vmw_sw_context *sw_context,
1570 SVGA3dCmdHeader *header)
1571{
1572 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDrawPrimitives);
1573 SVGA3dVertexDecl *decl = (SVGA3dVertexDecl *)(
1574 (unsigned long)header + sizeof(*cmd));
1575 SVGA3dPrimitiveRange *range;
1576 uint32_t i;
1577 uint32_t maxnum;
1578 int ret;
1579
1580 ret = vmw_cmd_cid_check(dev_priv, sw_context, header);
1581 if (unlikely(ret != 0))
1582 return ret;
1583
1584 cmd = container_of(header, typeof(*cmd), header);
1585 maxnum = (header->size - sizeof(cmd->body)) / sizeof(*decl);
1586
1587 if (unlikely(cmd->body.numVertexDecls > maxnum)) {
1588 VMW_DEBUG_USER("Illegal number of vertex declarations.\n");
1589 return -EINVAL;
1590 }
1591
1592 for (i = 0; i < cmd->body.numVertexDecls; ++i, ++decl) {
1593 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1594 VMW_RES_DIRTY_NONE,
1595 user_surface_converter,
1596 &decl->array.surfaceId, NULL);
1597 if (unlikely(ret != 0))
1598 return ret;
1599 }
1600
1601 maxnum = (header->size - sizeof(cmd->body) -
1602 cmd->body.numVertexDecls * sizeof(*decl)) / sizeof(*range);
1603 if (unlikely(cmd->body.numRanges > maxnum)) {
1604 VMW_DEBUG_USER("Illegal number of index ranges.\n");
1605 return -EINVAL;
1606 }
1607
1608 range = (SVGA3dPrimitiveRange *) decl;
1609 for (i = 0; i < cmd->body.numRanges; ++i, ++range) {
1610 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1611 VMW_RES_DIRTY_NONE,
1612 user_surface_converter,
1613 &range->indexArray.surfaceId, NULL);
1614 if (unlikely(ret != 0))
1615 return ret;
1616 }
1617 return 0;
1618}
1619
1620static int vmw_cmd_tex_state(struct vmw_private *dev_priv,
1621 struct vmw_sw_context *sw_context,
1622 SVGA3dCmdHeader *header)
1623{
1624 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdSetTextureState);
1625 SVGA3dTextureState *last_state = (SVGA3dTextureState *)
1626 ((unsigned long) header + header->size + sizeof(header));
1627 SVGA3dTextureState *cur_state = (SVGA3dTextureState *)
1628 ((unsigned long) header + sizeof(*cmd));
1629 struct vmw_resource *ctx;
1630 struct vmw_resource *res;
1631 int ret;
1632
1633 cmd = container_of(header, typeof(*cmd), header);
1634
1635 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
1636 VMW_RES_DIRTY_SET, user_context_converter,
1637 &cmd->body.cid, &ctx);
1638 if (unlikely(ret != 0))
1639 return ret;
1640
1641 for (; cur_state < last_state; ++cur_state) {
1642 if (likely(cur_state->name != SVGA3D_TS_BIND_TEXTURE))
1643 continue;
1644
1645 if (cur_state->stage >= SVGA3D_NUM_TEXTURE_UNITS) {
1646 VMW_DEBUG_USER("Illegal texture/sampler unit %u.\n",
1647 (unsigned int) cur_state->stage);
1648 return -EINVAL;
1649 }
1650
1651 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1652 VMW_RES_DIRTY_NONE,
1653 user_surface_converter,
1654 &cur_state->value, &res);
1655 if (unlikely(ret != 0))
1656 return ret;
1657
1658 if (dev_priv->has_mob) {
1659 struct vmw_ctx_bindinfo_tex binding;
1660 struct vmw_ctx_validation_info *node;
1661
1662 node = vmw_execbuf_info_from_res(sw_context, ctx);
1663 if (!node)
1664 return -EINVAL;
1665
1666 binding.bi.ctx = ctx;
1667 binding.bi.res = res;
1668 binding.bi.bt = vmw_ctx_binding_tex;
1669 binding.texture_stage = cur_state->stage;
1670 vmw_binding_add(node->staged, &binding.bi, 0,
1671 binding.texture_stage);
1672 }
1673 }
1674
1675 return 0;
1676}
1677
1678static int vmw_cmd_check_define_gmrfb(struct vmw_private *dev_priv,
1679 struct vmw_sw_context *sw_context,
1680 void *buf)
1681{
1682 struct vmw_buffer_object *vmw_bo;
1683
1684 struct {
1685 uint32_t header;
1686 SVGAFifoCmdDefineGMRFB body;
1687 } *cmd = buf;
1688
1689 return vmw_translate_guest_ptr(dev_priv, sw_context, &cmd->body.ptr,
1690 &vmw_bo);
1691}
1692
1693/**
1694 * vmw_cmd_res_switch_backup - Utility function to handle backup buffer
1695 * switching
1696 *
1697 * @dev_priv: Pointer to a device private struct.
1698 * @sw_context: The software context being used for this batch.
1699 * @val_node: The validation node representing the resource.
1700 * @buf_id: Pointer to the user-space backup buffer handle in the command
1701 * stream.
1702 * @backup_offset: Offset of backup into MOB.
1703 *
1704 * This function prepares for registering a switch of backup buffers in the
1705 * resource metadata just prior to unreserving. It's basically a wrapper around
1706 * vmw_cmd_res_switch_backup with a different interface.
1707 */
1708static int vmw_cmd_res_switch_backup(struct vmw_private *dev_priv,
1709 struct vmw_sw_context *sw_context,
1710 struct vmw_resource *res, uint32_t *buf_id,
1711 unsigned long backup_offset)
1712{
1713 struct vmw_buffer_object *vbo;
1714 void *info;
1715 int ret;
1716
1717 info = vmw_execbuf_info_from_res(sw_context, res);
1718 if (!info)
1719 return -EINVAL;
1720
1721 ret = vmw_translate_mob_ptr(dev_priv, sw_context, buf_id, &vbo);
1722 if (ret)
1723 return ret;
1724
1725 vmw_validation_res_switch_backup(sw_context->ctx, info, vbo,
1726 backup_offset);
1727 return 0;
1728}
1729
1730/**
1731 * vmw_cmd_switch_backup - Utility function to handle backup buffer switching
1732 *
1733 * @dev_priv: Pointer to a device private struct.
1734 * @sw_context: The software context being used for this batch.
1735 * @res_type: The resource type.
1736 * @converter: Information about user-space binding for this resource type.
1737 * @res_id: Pointer to the user-space resource handle in the command stream.
1738 * @buf_id: Pointer to the user-space backup buffer handle in the command
1739 * stream.
1740 * @backup_offset: Offset of backup into MOB.
1741 *
1742 * This function prepares for registering a switch of backup buffers in the
1743 * resource metadata just prior to unreserving. It's basically a wrapper around
1744 * vmw_cmd_res_switch_backup with a different interface.
1745 */
1746static int vmw_cmd_switch_backup(struct vmw_private *dev_priv,
1747 struct vmw_sw_context *sw_context,
1748 enum vmw_res_type res_type,
1749 const struct vmw_user_resource_conv
1750 *converter, uint32_t *res_id, uint32_t *buf_id,
1751 unsigned long backup_offset)
1752{
1753 struct vmw_resource *res;
1754 int ret;
1755
1756 ret = vmw_cmd_res_check(dev_priv, sw_context, res_type,
1757 VMW_RES_DIRTY_NONE, converter, res_id, &res);
1758 if (ret)
1759 return ret;
1760
1761 return vmw_cmd_res_switch_backup(dev_priv, sw_context, res, buf_id,
1762 backup_offset);
1763}
1764
1765/**
1766 * vmw_cmd_bind_gb_surface - Validate SVGA_3D_CMD_BIND_GB_SURFACE command
1767 *
1768 * @dev_priv: Pointer to a device private struct.
1769 * @sw_context: The software context being used for this batch.
1770 * @header: Pointer to the command header in the command stream.
1771 */
1772static int vmw_cmd_bind_gb_surface(struct vmw_private *dev_priv,
1773 struct vmw_sw_context *sw_context,
1774 SVGA3dCmdHeader *header)
1775{
1776 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdBindGBSurface) =
1777 container_of(header, typeof(*cmd), header);
1778
1779 return vmw_cmd_switch_backup(dev_priv, sw_context, vmw_res_surface,
1780 user_surface_converter, &cmd->body.sid,
1781 &cmd->body.mobid, 0);
1782}
1783
1784/**
1785 * vmw_cmd_update_gb_image - Validate SVGA_3D_CMD_UPDATE_GB_IMAGE command
1786 *
1787 * @dev_priv: Pointer to a device private struct.
1788 * @sw_context: The software context being used for this batch.
1789 * @header: Pointer to the command header in the command stream.
1790 */
1791static int vmw_cmd_update_gb_image(struct vmw_private *dev_priv,
1792 struct vmw_sw_context *sw_context,
1793 SVGA3dCmdHeader *header)
1794{
1795 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdUpdateGBImage) =
1796 container_of(header, typeof(*cmd), header);
1797
1798 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1799 VMW_RES_DIRTY_NONE, user_surface_converter,
1800 &cmd->body.image.sid, NULL);
1801}
1802
1803/**
1804 * vmw_cmd_update_gb_surface - Validate SVGA_3D_CMD_UPDATE_GB_SURFACE command
1805 *
1806 * @dev_priv: Pointer to a device private struct.
1807 * @sw_context: The software context being used for this batch.
1808 * @header: Pointer to the command header in the command stream.
1809 */
1810static int vmw_cmd_update_gb_surface(struct vmw_private *dev_priv,
1811 struct vmw_sw_context *sw_context,
1812 SVGA3dCmdHeader *header)
1813{
1814 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdUpdateGBSurface) =
1815 container_of(header, typeof(*cmd), header);
1816
1817 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1818 VMW_RES_DIRTY_CLEAR, user_surface_converter,
1819 &cmd->body.sid, NULL);
1820}
1821
1822/**
1823 * vmw_cmd_readback_gb_image - Validate SVGA_3D_CMD_READBACK_GB_IMAGE command
1824 *
1825 * @dev_priv: Pointer to a device private struct.
1826 * @sw_context: The software context being used for this batch.
1827 * @header: Pointer to the command header in the command stream.
1828 */
1829static int vmw_cmd_readback_gb_image(struct vmw_private *dev_priv,
1830 struct vmw_sw_context *sw_context,
1831 SVGA3dCmdHeader *header)
1832{
1833 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdReadbackGBImage) =
1834 container_of(header, typeof(*cmd), header);
1835
1836 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1837 VMW_RES_DIRTY_NONE, user_surface_converter,
1838 &cmd->body.image.sid, NULL);
1839}
1840
1841/**
1842 * vmw_cmd_readback_gb_surface - Validate SVGA_3D_CMD_READBACK_GB_SURFACE
1843 * command
1844 *
1845 * @dev_priv: Pointer to a device private struct.
1846 * @sw_context: The software context being used for this batch.
1847 * @header: Pointer to the command header in the command stream.
1848 */
1849static int vmw_cmd_readback_gb_surface(struct vmw_private *dev_priv,
1850 struct vmw_sw_context *sw_context,
1851 SVGA3dCmdHeader *header)
1852{
1853 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdReadbackGBSurface) =
1854 container_of(header, typeof(*cmd), header);
1855
1856 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1857 VMW_RES_DIRTY_CLEAR, user_surface_converter,
1858 &cmd->body.sid, NULL);
1859}
1860
1861/**
1862 * vmw_cmd_invalidate_gb_image - Validate SVGA_3D_CMD_INVALIDATE_GB_IMAGE
1863 * command
1864 *
1865 * @dev_priv: Pointer to a device private struct.
1866 * @sw_context: The software context being used for this batch.
1867 * @header: Pointer to the command header in the command stream.
1868 */
1869static int vmw_cmd_invalidate_gb_image(struct vmw_private *dev_priv,
1870 struct vmw_sw_context *sw_context,
1871 SVGA3dCmdHeader *header)
1872{
1873 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdInvalidateGBImage) =
1874 container_of(header, typeof(*cmd), header);
1875
1876 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1877 VMW_RES_DIRTY_NONE, user_surface_converter,
1878 &cmd->body.image.sid, NULL);
1879}
1880
1881/**
1882 * vmw_cmd_invalidate_gb_surface - Validate SVGA_3D_CMD_INVALIDATE_GB_SURFACE
1883 * command
1884 *
1885 * @dev_priv: Pointer to a device private struct.
1886 * @sw_context: The software context being used for this batch.
1887 * @header: Pointer to the command header in the command stream.
1888 */
1889static int vmw_cmd_invalidate_gb_surface(struct vmw_private *dev_priv,
1890 struct vmw_sw_context *sw_context,
1891 SVGA3dCmdHeader *header)
1892{
1893 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdInvalidateGBSurface) =
1894 container_of(header, typeof(*cmd), header);
1895
1896 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1897 VMW_RES_DIRTY_CLEAR, user_surface_converter,
1898 &cmd->body.sid, NULL);
1899}
1900
1901/**
1902 * vmw_cmd_shader_define - Validate SVGA_3D_CMD_SHADER_DEFINE command
1903 *
1904 * @dev_priv: Pointer to a device private struct.
1905 * @sw_context: The software context being used for this batch.
1906 * @header: Pointer to the command header in the command stream.
1907 */
1908static int vmw_cmd_shader_define(struct vmw_private *dev_priv,
1909 struct vmw_sw_context *sw_context,
1910 SVGA3dCmdHeader *header)
1911{
1912 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDefineShader);
1913 int ret;
1914 size_t size;
1915 struct vmw_resource *ctx;
1916
1917 cmd = container_of(header, typeof(*cmd), header);
1918
1919 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
1920 VMW_RES_DIRTY_SET, user_context_converter,
1921 &cmd->body.cid, &ctx);
1922 if (unlikely(ret != 0))
1923 return ret;
1924
1925 if (unlikely(!dev_priv->has_mob))
1926 return 0;
1927
1928 size = cmd->header.size - sizeof(cmd->body);
1929 ret = vmw_compat_shader_add(dev_priv, vmw_context_res_man(ctx),
1930 cmd->body.shid, cmd + 1, cmd->body.type,
1931 size, &sw_context->staged_cmd_res);
1932 if (unlikely(ret != 0))
1933 return ret;
1934
1935 return vmw_resource_relocation_add(sw_context, NULL,
1936 vmw_ptr_diff(sw_context->buf_start,
1937 &cmd->header.id),
1938 vmw_res_rel_nop);
1939}
1940
1941/**
1942 * vmw_cmd_shader_destroy - Validate SVGA_3D_CMD_SHADER_DESTROY command
1943 *
1944 * @dev_priv: Pointer to a device private struct.
1945 * @sw_context: The software context being used for this batch.
1946 * @header: Pointer to the command header in the command stream.
1947 */
1948static int vmw_cmd_shader_destroy(struct vmw_private *dev_priv,
1949 struct vmw_sw_context *sw_context,
1950 SVGA3dCmdHeader *header)
1951{
1952 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDestroyShader);
1953 int ret;
1954 struct vmw_resource *ctx;
1955
1956 cmd = container_of(header, typeof(*cmd), header);
1957
1958 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
1959 VMW_RES_DIRTY_SET, user_context_converter,
1960 &cmd->body.cid, &ctx);
1961 if (unlikely(ret != 0))
1962 return ret;
1963
1964 if (unlikely(!dev_priv->has_mob))
1965 return 0;
1966
1967 ret = vmw_shader_remove(vmw_context_res_man(ctx), cmd->body.shid,
1968 cmd->body.type, &sw_context->staged_cmd_res);
1969 if (unlikely(ret != 0))
1970 return ret;
1971
1972 return vmw_resource_relocation_add(sw_context, NULL,
1973 vmw_ptr_diff(sw_context->buf_start,
1974 &cmd->header.id),
1975 vmw_res_rel_nop);
1976}
1977
1978/**
1979 * vmw_cmd_set_shader - Validate SVGA_3D_CMD_SET_SHADER command
1980 *
1981 * @dev_priv: Pointer to a device private struct.
1982 * @sw_context: The software context being used for this batch.
1983 * @header: Pointer to the command header in the command stream.
1984 */
1985static int vmw_cmd_set_shader(struct vmw_private *dev_priv,
1986 struct vmw_sw_context *sw_context,
1987 SVGA3dCmdHeader *header)
1988{
1989 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdSetShader);
1990 struct vmw_ctx_bindinfo_shader binding;
1991 struct vmw_resource *ctx, *res = NULL;
1992 struct vmw_ctx_validation_info *ctx_info;
1993 int ret;
1994
1995 cmd = container_of(header, typeof(*cmd), header);
1996
1997 if (cmd->body.type >= SVGA3D_SHADERTYPE_PREDX_MAX) {
1998 VMW_DEBUG_USER("Illegal shader type %u.\n",
1999 (unsigned int) cmd->body.type);
2000 return -EINVAL;
2001 }
2002
2003 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
2004 VMW_RES_DIRTY_SET, user_context_converter,
2005 &cmd->body.cid, &ctx);
2006 if (unlikely(ret != 0))
2007 return ret;
2008
2009 if (!dev_priv->has_mob)
2010 return 0;
2011
2012 if (cmd->body.shid != SVGA3D_INVALID_ID) {
2013 /*
2014 * This is the compat shader path - Per device guest-backed
2015 * shaders, but user-space thinks it's per context host-
2016 * backed shaders.
2017 */
2018 res = vmw_shader_lookup(vmw_context_res_man(ctx),
2019 cmd->body.shid, cmd->body.type);
2020 if (!IS_ERR(res)) {
2021 ret = vmw_execbuf_res_noctx_val_add(sw_context, res,
2022 VMW_RES_DIRTY_NONE);
2023 if (unlikely(ret != 0))
2024 return ret;
2025
2026 ret = vmw_resource_relocation_add
2027 (sw_context, res,
2028 vmw_ptr_diff(sw_context->buf_start,
2029 &cmd->body.shid),
2030 vmw_res_rel_normal);
2031 if (unlikely(ret != 0))
2032 return ret;
2033 }
2034 }
2035
2036 if (IS_ERR_OR_NULL(res)) {
2037 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_shader,
2038 VMW_RES_DIRTY_NONE,
2039 user_shader_converter, &cmd->body.shid,
2040 &res);
2041 if (unlikely(ret != 0))
2042 return ret;
2043 }
2044
2045 ctx_info = vmw_execbuf_info_from_res(sw_context, ctx);
2046 if (!ctx_info)
2047 return -EINVAL;
2048
2049 binding.bi.ctx = ctx;
2050 binding.bi.res = res;
2051 binding.bi.bt = vmw_ctx_binding_shader;
2052 binding.shader_slot = cmd->body.type - SVGA3D_SHADERTYPE_MIN;
2053 vmw_binding_add(ctx_info->staged, &binding.bi, binding.shader_slot, 0);
2054
2055 return 0;
2056}
2057
2058/**
2059 * vmw_cmd_set_shader_const - Validate SVGA_3D_CMD_SET_SHADER_CONST command
2060 *
2061 * @dev_priv: Pointer to a device private struct.
2062 * @sw_context: The software context being used for this batch.
2063 * @header: Pointer to the command header in the command stream.
2064 */
2065static int vmw_cmd_set_shader_const(struct vmw_private *dev_priv,
2066 struct vmw_sw_context *sw_context,
2067 SVGA3dCmdHeader *header)
2068{
2069 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdSetShaderConst);
2070 int ret;
2071
2072 cmd = container_of(header, typeof(*cmd), header);
2073
2074 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
2075 VMW_RES_DIRTY_SET, user_context_converter,
2076 &cmd->body.cid, NULL);
2077 if (unlikely(ret != 0))
2078 return ret;
2079
2080 if (dev_priv->has_mob)
2081 header->id = SVGA_3D_CMD_SET_GB_SHADERCONSTS_INLINE;
2082
2083 return 0;
2084}
2085
2086/**
2087 * vmw_cmd_bind_gb_shader - Validate SVGA_3D_CMD_BIND_GB_SHADER command
2088 *
2089 * @dev_priv: Pointer to a device private struct.
2090 * @sw_context: The software context being used for this batch.
2091 * @header: Pointer to the command header in the command stream.
2092 */
2093static int vmw_cmd_bind_gb_shader(struct vmw_private *dev_priv,
2094 struct vmw_sw_context *sw_context,
2095 SVGA3dCmdHeader *header)
2096{
2097 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdBindGBShader) =
2098 container_of(header, typeof(*cmd), header);
2099
2100 return vmw_cmd_switch_backup(dev_priv, sw_context, vmw_res_shader,
2101 user_shader_converter, &cmd->body.shid,
2102 &cmd->body.mobid, cmd->body.offsetInBytes);
2103}
2104
2105/**
2106 * vmw_cmd_dx_set_single_constant_buffer - Validate
2107 * SVGA_3D_CMD_DX_SET_SINGLE_CONSTANT_BUFFER command.
2108 *
2109 * @dev_priv: Pointer to a device private struct.
2110 * @sw_context: The software context being used for this batch.
2111 * @header: Pointer to the command header in the command stream.
2112 */
2113static int
2114vmw_cmd_dx_set_single_constant_buffer(struct vmw_private *dev_priv,
2115 struct vmw_sw_context *sw_context,
2116 SVGA3dCmdHeader *header)
2117{
2118 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXSetSingleConstantBuffer);
2119 struct vmw_resource *res = NULL;
2120 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
2121 struct vmw_ctx_bindinfo_cb binding;
2122 int ret;
2123
2124 if (!ctx_node)
2125 return -EINVAL;
2126
2127 cmd = container_of(header, typeof(*cmd), header);
2128 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2129 VMW_RES_DIRTY_NONE, user_surface_converter,
2130 &cmd->body.sid, &res);
2131 if (unlikely(ret != 0))
2132 return ret;
2133
2134 binding.bi.ctx = ctx_node->ctx;
2135 binding.bi.res = res;
2136 binding.bi.bt = vmw_ctx_binding_cb;
2137 binding.shader_slot = cmd->body.type - SVGA3D_SHADERTYPE_MIN;
2138 binding.offset = cmd->body.offsetInBytes;
2139 binding.size = cmd->body.sizeInBytes;
2140 binding.slot = cmd->body.slot;
2141
2142 if (binding.shader_slot >= SVGA3D_NUM_SHADERTYPE_DX10 ||
2143 binding.slot >= SVGA3D_DX_MAX_CONSTBUFFERS) {
2144 VMW_DEBUG_USER("Illegal const buffer shader %u slot %u.\n",
2145 (unsigned int) cmd->body.type,
2146 (unsigned int) binding.slot);
2147 return -EINVAL;
2148 }
2149
2150 vmw_binding_add(ctx_node->staged, &binding.bi, binding.shader_slot,
2151 binding.slot);
2152
2153 return 0;
2154}
2155
2156/**
2157 * vmw_cmd_dx_set_shader_res - Validate SVGA_3D_CMD_DX_SET_SHADER_RESOURCES
2158 * command
2159 *
2160 * @dev_priv: Pointer to a device private struct.
2161 * @sw_context: The software context being used for this batch.
2162 * @header: Pointer to the command header in the command stream.
2163 */
2164static int vmw_cmd_dx_set_shader_res(struct vmw_private *dev_priv,
2165 struct vmw_sw_context *sw_context,
2166 SVGA3dCmdHeader *header)
2167{
2168 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXSetShaderResources) =
2169 container_of(header, typeof(*cmd), header);
2170 u32 num_sr_view = (cmd->header.size - sizeof(cmd->body)) /
2171 sizeof(SVGA3dShaderResourceViewId);
2172
2173 if ((u64) cmd->body.startView + (u64) num_sr_view >
2174 (u64) SVGA3D_DX_MAX_SRVIEWS ||
2175 cmd->body.type >= SVGA3D_SHADERTYPE_DX10_MAX) {
2176 VMW_DEBUG_USER("Invalid shader binding.\n");
2177 return -EINVAL;
2178 }
2179
2180 return vmw_view_bindings_add(sw_context, vmw_view_sr,
2181 vmw_ctx_binding_sr,
2182 cmd->body.type - SVGA3D_SHADERTYPE_MIN,
2183 (void *) &cmd[1], num_sr_view,
2184 cmd->body.startView);
2185}
2186
2187/**
2188 * vmw_cmd_dx_set_shader - Validate SVGA_3D_CMD_DX_SET_SHADER command
2189 *
2190 * @dev_priv: Pointer to a device private struct.
2191 * @sw_context: The software context being used for this batch.
2192 * @header: Pointer to the command header in the command stream.
2193 */
2194static int vmw_cmd_dx_set_shader(struct vmw_private *dev_priv,
2195 struct vmw_sw_context *sw_context,
2196 SVGA3dCmdHeader *header)
2197{
2198 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXSetShader);
2199 struct vmw_resource *res = NULL;
2200 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
2201 struct vmw_ctx_bindinfo_shader binding;
2202 int ret = 0;
2203
2204 if (!ctx_node)
2205 return -EINVAL;
2206
2207 cmd = container_of(header, typeof(*cmd), header);
2208
2209 if (cmd->body.type >= SVGA3D_SHADERTYPE_DX10_MAX ||
2210 cmd->body.type < SVGA3D_SHADERTYPE_MIN) {
2211 VMW_DEBUG_USER("Illegal shader type %u.\n",
2212 (unsigned int) cmd->body.type);
2213 return -EINVAL;
2214 }
2215
2216 if (cmd->body.shaderId != SVGA3D_INVALID_ID) {
2217 res = vmw_shader_lookup(sw_context->man, cmd->body.shaderId, 0);
2218 if (IS_ERR(res)) {
2219 VMW_DEBUG_USER("Could not find shader for binding.\n");
2220 return PTR_ERR(res);
2221 }
2222
2223 ret = vmw_execbuf_res_noctx_val_add(sw_context, res,
2224 VMW_RES_DIRTY_NONE);
2225 if (ret)
2226 return ret;
2227 }
2228
2229 binding.bi.ctx = ctx_node->ctx;
2230 binding.bi.res = res;
2231 binding.bi.bt = vmw_ctx_binding_dx_shader;
2232 binding.shader_slot = cmd->body.type - SVGA3D_SHADERTYPE_MIN;
2233
2234 vmw_binding_add(ctx_node->staged, &binding.bi, binding.shader_slot, 0);
2235
2236 return 0;
2237}
2238
2239/**
2240 * vmw_cmd_dx_set_vertex_buffers - Validates SVGA_3D_CMD_DX_SET_VERTEX_BUFFERS
2241 * command
2242 *
2243 * @dev_priv: Pointer to a device private struct.
2244 * @sw_context: The software context being used for this batch.
2245 * @header: Pointer to the command header in the command stream.
2246 */
2247static int vmw_cmd_dx_set_vertex_buffers(struct vmw_private *dev_priv,
2248 struct vmw_sw_context *sw_context,
2249 SVGA3dCmdHeader *header)
2250{
2251 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
2252 struct vmw_ctx_bindinfo_vb binding;
2253 struct vmw_resource *res;
2254 struct {
2255 SVGA3dCmdHeader header;
2256 SVGA3dCmdDXSetVertexBuffers body;
2257 SVGA3dVertexBuffer buf[];
2258 } *cmd;
2259 int i, ret, num;
2260
2261 if (!ctx_node)
2262 return -EINVAL;
2263
2264 cmd = container_of(header, typeof(*cmd), header);
2265 num = (cmd->header.size - sizeof(cmd->body)) /
2266 sizeof(SVGA3dVertexBuffer);
2267 if ((u64)num + (u64)cmd->body.startBuffer >
2268 (u64)SVGA3D_DX_MAX_VERTEXBUFFERS) {
2269 VMW_DEBUG_USER("Invalid number of vertex buffers.\n");
2270 return -EINVAL;
2271 }
2272
2273 for (i = 0; i < num; i++) {
2274 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2275 VMW_RES_DIRTY_NONE,
2276 user_surface_converter,
2277 &cmd->buf[i].sid, &res);
2278 if (unlikely(ret != 0))
2279 return ret;
2280
2281 binding.bi.ctx = ctx_node->ctx;
2282 binding.bi.bt = vmw_ctx_binding_vb;
2283 binding.bi.res = res;
2284 binding.offset = cmd->buf[i].offset;
2285 binding.stride = cmd->buf[i].stride;
2286 binding.slot = i + cmd->body.startBuffer;
2287
2288 vmw_binding_add(ctx_node->staged, &binding.bi, 0, binding.slot);
2289 }
2290
2291 return 0;
2292}
2293
2294/**
2295 * vmw_cmd_dx_ia_set_vertex_buffers - Validate
2296 * SVGA_3D_CMD_DX_IA_SET_INDEX_BUFFER command.
2297 *
2298 * @dev_priv: Pointer to a device private struct.
2299 * @sw_context: The software context being used for this batch.
2300 * @header: Pointer to the command header in the command stream.
2301 */
2302static int vmw_cmd_dx_set_index_buffer(struct vmw_private *dev_priv,
2303 struct vmw_sw_context *sw_context,
2304 SVGA3dCmdHeader *header)
2305{
2306 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
2307 struct vmw_ctx_bindinfo_ib binding;
2308 struct vmw_resource *res;
2309 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXSetIndexBuffer);
2310 int ret;
2311
2312 if (!ctx_node)
2313 return -EINVAL;
2314
2315 cmd = container_of(header, typeof(*cmd), header);
2316 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2317 VMW_RES_DIRTY_NONE, user_surface_converter,
2318 &cmd->body.sid, &res);
2319 if (unlikely(ret != 0))
2320 return ret;
2321
2322 binding.bi.ctx = ctx_node->ctx;
2323 binding.bi.res = res;
2324 binding.bi.bt = vmw_ctx_binding_ib;
2325 binding.offset = cmd->body.offset;
2326 binding.format = cmd->body.format;
2327
2328 vmw_binding_add(ctx_node->staged, &binding.bi, 0, 0);
2329
2330 return 0;
2331}
2332
2333/**
2334 * vmw_cmd_dx_set_rendertarget - Validate SVGA_3D_CMD_DX_SET_RENDERTARGETS
2335 * 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_rendertargets(struct vmw_private *dev_priv,
2342 struct vmw_sw_context *sw_context,
2343 SVGA3dCmdHeader *header)
2344{
2345 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXSetRenderTargets) =
2346 container_of(header, typeof(*cmd), header);
2347 u32 num_rt_view = (cmd->header.size - sizeof(cmd->body)) /
2348 sizeof(SVGA3dRenderTargetViewId);
2349 int ret;
2350
2351 if (num_rt_view > SVGA3D_MAX_SIMULTANEOUS_RENDER_TARGETS) {
2352 VMW_DEBUG_USER("Invalid DX Rendertarget binding.\n");
2353 return -EINVAL;
2354 }
2355
2356 ret = vmw_view_bindings_add(sw_context, vmw_view_ds, vmw_ctx_binding_ds,
2357 0, &cmd->body.depthStencilViewId, 1, 0);
2358 if (ret)
2359 return ret;
2360
2361 return vmw_view_bindings_add(sw_context, vmw_view_rt,
2362 vmw_ctx_binding_dx_rt, 0, (void *)&cmd[1],
2363 num_rt_view, 0);
2364}
2365
2366/**
2367 * vmw_cmd_dx_clear_rendertarget_view - Validate
2368 * SVGA_3D_CMD_DX_CLEAR_RENDERTARGET_VIEW command
2369 *
2370 * @dev_priv: Pointer to a device private struct.
2371 * @sw_context: The software context being used for this batch.
2372 * @header: Pointer to the command header in the command stream.
2373 */
2374static int vmw_cmd_dx_clear_rendertarget_view(struct vmw_private *dev_priv,
2375 struct vmw_sw_context *sw_context,
2376 SVGA3dCmdHeader *header)
2377{
2378 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXClearRenderTargetView) =
2379 container_of(header, typeof(*cmd), header);
2380
2381 return PTR_RET(vmw_view_id_val_add(sw_context, vmw_view_rt,
2382 cmd->body.renderTargetViewId));
2383}
2384
2385/**
2386 * vmw_cmd_dx_clear_rendertarget_view - Validate
2387 * SVGA_3D_CMD_DX_CLEAR_DEPTHSTENCIL_VIEW command
2388 *
2389 * @dev_priv: Pointer to a device private struct.
2390 * @sw_context: The software context being used for this batch.
2391 * @header: Pointer to the command header in the command stream.
2392 */
2393static int vmw_cmd_dx_clear_depthstencil_view(struct vmw_private *dev_priv,
2394 struct vmw_sw_context *sw_context,
2395 SVGA3dCmdHeader *header)
2396{
2397 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXClearDepthStencilView) =
2398 container_of(header, typeof(*cmd), header);
2399
2400 return PTR_RET(vmw_view_id_val_add(sw_context, vmw_view_ds,
2401 cmd->body.depthStencilViewId));
2402}
2403
2404static int vmw_cmd_dx_view_define(struct vmw_private *dev_priv,
2405 struct vmw_sw_context *sw_context,
2406 SVGA3dCmdHeader *header)
2407{
2408 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
2409 struct vmw_resource *srf;
2410 struct vmw_resource *res;
2411 enum vmw_view_type view_type;
2412 int ret;
2413 /*
2414 * This is based on the fact that all affected define commands have the
2415 * same initial command body layout.
2416 */
2417 struct {
2418 SVGA3dCmdHeader header;
2419 uint32 defined_id;
2420 uint32 sid;
2421 } *cmd;
2422
2423 if (!ctx_node)
2424 return -EINVAL;
2425
2426 view_type = vmw_view_cmd_to_type(header->id);
2427 if (view_type == vmw_view_max)
2428 return -EINVAL;
2429
2430 cmd = container_of(header, typeof(*cmd), header);
2431 if (unlikely(cmd->sid == SVGA3D_INVALID_ID)) {
2432 VMW_DEBUG_USER("Invalid surface id.\n");
2433 return -EINVAL;
2434 }
2435 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2436 VMW_RES_DIRTY_NONE, user_surface_converter,
2437 &cmd->sid, &srf);
2438 if (unlikely(ret != 0))
2439 return ret;
2440
2441 res = vmw_context_cotable(ctx_node->ctx, vmw_view_cotables[view_type]);
2442 ret = vmw_cotable_notify(res, cmd->defined_id);
2443 if (unlikely(ret != 0))
2444 return ret;
2445
2446 return vmw_view_add(sw_context->man, ctx_node->ctx, srf, view_type,
2447 cmd->defined_id, header,
2448 header->size + sizeof(*header),
2449 &sw_context->staged_cmd_res);
2450}
2451
2452/**
2453 * vmw_cmd_dx_set_so_targets - Validate SVGA_3D_CMD_DX_SET_SOTARGETS command.
2454 *
2455 * @dev_priv: Pointer to a device private struct.
2456 * @sw_context: The software context being used for this batch.
2457 * @header: Pointer to the command header in the command stream.
2458 */
2459static int vmw_cmd_dx_set_so_targets(struct vmw_private *dev_priv,
2460 struct vmw_sw_context *sw_context,
2461 SVGA3dCmdHeader *header)
2462{
2463 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
2464 struct vmw_ctx_bindinfo_so binding;
2465 struct vmw_resource *res;
2466 struct {
2467 SVGA3dCmdHeader header;
2468 SVGA3dCmdDXSetSOTargets body;
2469 SVGA3dSoTarget targets[];
2470 } *cmd;
2471 int i, ret, num;
2472
2473 if (!ctx_node)
2474 return -EINVAL;
2475
2476 cmd = container_of(header, typeof(*cmd), header);
2477 num = (cmd->header.size - sizeof(cmd->body)) / sizeof(SVGA3dSoTarget);
2478
2479 if (num > SVGA3D_DX_MAX_SOTARGETS) {
2480 VMW_DEBUG_USER("Invalid DX SO binding.\n");
2481 return -EINVAL;
2482 }
2483
2484 for (i = 0; i < num; i++) {
2485 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2486 VMW_RES_DIRTY_SET,
2487 user_surface_converter,
2488 &cmd->targets[i].sid, &res);
2489 if (unlikely(ret != 0))
2490 return ret;
2491
2492 binding.bi.ctx = ctx_node->ctx;
2493 binding.bi.res = res;
2494 binding.bi.bt = vmw_ctx_binding_so,
2495 binding.offset = cmd->targets[i].offset;
2496 binding.size = cmd->targets[i].sizeInBytes;
2497 binding.slot = i;
2498
2499 vmw_binding_add(ctx_node->staged, &binding.bi, 0, binding.slot);
2500 }
2501
2502 return 0;
2503}
2504
2505static int vmw_cmd_dx_so_define(struct vmw_private *dev_priv,
2506 struct vmw_sw_context *sw_context,
2507 SVGA3dCmdHeader *header)
2508{
2509 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
2510 struct vmw_resource *res;
2511 /*
2512 * This is based on the fact that all affected define commands have
2513 * the same initial command body layout.
2514 */
2515 struct {
2516 SVGA3dCmdHeader header;
2517 uint32 defined_id;
2518 } *cmd;
2519 enum vmw_so_type so_type;
2520 int ret;
2521
2522 if (!ctx_node)
2523 return -EINVAL;
2524
2525 so_type = vmw_so_cmd_to_type(header->id);
2526 res = vmw_context_cotable(ctx_node->ctx, vmw_so_cotables[so_type]);
2527 cmd = container_of(header, typeof(*cmd), header);
2528 ret = vmw_cotable_notify(res, cmd->defined_id);
2529
2530 return ret;
2531}
2532
2533/**
2534 * vmw_cmd_dx_check_subresource - Validate SVGA_3D_CMD_DX_[X]_SUBRESOURCE
2535 * command
2536 *
2537 * @dev_priv: Pointer to a device private struct.
2538 * @sw_context: The software context being used for this batch.
2539 * @header: Pointer to the command header in the command stream.
2540 */
2541static int vmw_cmd_dx_check_subresource(struct vmw_private *dev_priv,
2542 struct vmw_sw_context *sw_context,
2543 SVGA3dCmdHeader *header)
2544{
2545 struct {
2546 SVGA3dCmdHeader header;
2547 union {
2548 SVGA3dCmdDXReadbackSubResource r_body;
2549 SVGA3dCmdDXInvalidateSubResource i_body;
2550 SVGA3dCmdDXUpdateSubResource u_body;
2551 SVGA3dSurfaceId sid;
2552 };
2553 } *cmd;
2554
2555 BUILD_BUG_ON(offsetof(typeof(*cmd), r_body.sid) !=
2556 offsetof(typeof(*cmd), sid));
2557 BUILD_BUG_ON(offsetof(typeof(*cmd), i_body.sid) !=
2558 offsetof(typeof(*cmd), sid));
2559 BUILD_BUG_ON(offsetof(typeof(*cmd), u_body.sid) !=
2560 offsetof(typeof(*cmd), sid));
2561
2562 cmd = container_of(header, typeof(*cmd), header);
2563
2564 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2565 VMW_RES_DIRTY_NONE, user_surface_converter,
2566 &cmd->sid, NULL);
2567}
2568
2569static int vmw_cmd_dx_cid_check(struct vmw_private *dev_priv,
2570 struct vmw_sw_context *sw_context,
2571 SVGA3dCmdHeader *header)
2572{
2573 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
2574
2575 if (!ctx_node)
2576 return -EINVAL;
2577
2578 return 0;
2579}
2580
2581/**
2582 * vmw_cmd_dx_view_remove - validate a view remove command and schedule the view
2583 * resource for removal.
2584 *
2585 * @dev_priv: Pointer to a device private struct.
2586 * @sw_context: The software context being used for this batch.
2587 * @header: Pointer to the command header in the command stream.
2588 *
2589 * Check that the view exists, and if it was not created using this command
2590 * batch, conditionally make this command a NOP.
2591 */
2592static int vmw_cmd_dx_view_remove(struct vmw_private *dev_priv,
2593 struct vmw_sw_context *sw_context,
2594 SVGA3dCmdHeader *header)
2595{
2596 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
2597 struct {
2598 SVGA3dCmdHeader header;
2599 union vmw_view_destroy body;
2600 } *cmd = container_of(header, typeof(*cmd), header);
2601 enum vmw_view_type view_type = vmw_view_cmd_to_type(header->id);
2602 struct vmw_resource *view;
2603 int ret;
2604
2605 if (!ctx_node)
2606 return -EINVAL;
2607
2608 ret = vmw_view_remove(sw_context->man, cmd->body.view_id, view_type,
2609 &sw_context->staged_cmd_res, &view);
2610 if (ret || !view)
2611 return ret;
2612
2613 /*
2614 * If the view wasn't created during this command batch, it might
2615 * have been removed due to a context swapout, so add a
2616 * relocation to conditionally make this command a NOP to avoid
2617 * device errors.
2618 */
2619 return vmw_resource_relocation_add(sw_context, view,
2620 vmw_ptr_diff(sw_context->buf_start,
2621 &cmd->header.id),
2622 vmw_res_rel_cond_nop);
2623}
2624
2625/**
2626 * vmw_cmd_dx_define_shader - Validate SVGA_3D_CMD_DX_DEFINE_SHADER command
2627 *
2628 * @dev_priv: Pointer to a device private struct.
2629 * @sw_context: The software context being used for this batch.
2630 * @header: Pointer to the command header in the command stream.
2631 */
2632static int vmw_cmd_dx_define_shader(struct vmw_private *dev_priv,
2633 struct vmw_sw_context *sw_context,
2634 SVGA3dCmdHeader *header)
2635{
2636 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
2637 struct vmw_resource *res;
2638 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXDefineShader) =
2639 container_of(header, typeof(*cmd), header);
2640 int ret;
2641
2642 if (!ctx_node)
2643 return -EINVAL;
2644
2645 res = vmw_context_cotable(ctx_node->ctx, SVGA_COTABLE_DXSHADER);
2646 ret = vmw_cotable_notify(res, cmd->body.shaderId);
2647 if (ret)
2648 return ret;
2649
2650 return vmw_dx_shader_add(sw_context->man, ctx_node->ctx,
2651 cmd->body.shaderId, cmd->body.type,
2652 &sw_context->staged_cmd_res);
2653}
2654
2655/**
2656 * vmw_cmd_dx_destroy_shader - Validate SVGA_3D_CMD_DX_DESTROY_SHADER command
2657 *
2658 * @dev_priv: Pointer to a device private struct.
2659 * @sw_context: The software context being used for this batch.
2660 * @header: Pointer to the command header in the command stream.
2661 */
2662static int vmw_cmd_dx_destroy_shader(struct vmw_private *dev_priv,
2663 struct vmw_sw_context *sw_context,
2664 SVGA3dCmdHeader *header)
2665{
2666 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
2667 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXDestroyShader) =
2668 container_of(header, typeof(*cmd), header);
2669 int ret;
2670
2671 if (!ctx_node)
2672 return -EINVAL;
2673
2674 ret = vmw_shader_remove(sw_context->man, cmd->body.shaderId, 0,
2675 &sw_context->staged_cmd_res);
2676
2677 return ret;
2678}
2679
2680/**
2681 * vmw_cmd_dx_bind_shader - Validate SVGA_3D_CMD_DX_BIND_SHADER command
2682 *
2683 * @dev_priv: Pointer to a device private struct.
2684 * @sw_context: The software context being used for this batch.
2685 * @header: Pointer to the command header in the command stream.
2686 */
2687static int vmw_cmd_dx_bind_shader(struct vmw_private *dev_priv,
2688 struct vmw_sw_context *sw_context,
2689 SVGA3dCmdHeader *header)
2690{
2691 struct vmw_resource *ctx;
2692 struct vmw_resource *res;
2693 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXBindShader) =
2694 container_of(header, typeof(*cmd), header);
2695 int ret;
2696
2697 if (cmd->body.cid != SVGA3D_INVALID_ID) {
2698 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
2699 VMW_RES_DIRTY_SET,
2700 user_context_converter, &cmd->body.cid,
2701 &ctx);
2702 if (ret)
2703 return ret;
2704 } else {
2705 struct vmw_ctx_validation_info *ctx_node =
2706 VMW_GET_CTX_NODE(sw_context);
2707
2708 if (!ctx_node)
2709 return -EINVAL;
2710
2711 ctx = ctx_node->ctx;
2712 }
2713
2714 res = vmw_shader_lookup(vmw_context_res_man(ctx), cmd->body.shid, 0);
2715 if (IS_ERR(res)) {
2716 VMW_DEBUG_USER("Could not find shader to bind.\n");
2717 return PTR_ERR(res);
2718 }
2719
2720 ret = vmw_execbuf_res_noctx_val_add(sw_context, res,
2721 VMW_RES_DIRTY_NONE);
2722 if (ret) {
2723 VMW_DEBUG_USER("Error creating resource validation node.\n");
2724 return ret;
2725 }
2726
2727 return vmw_cmd_res_switch_backup(dev_priv, sw_context, res,
2728 &cmd->body.mobid,
2729 cmd->body.offsetInBytes);
2730}
2731
2732/**
2733 * vmw_cmd_dx_genmips - Validate SVGA_3D_CMD_DX_GENMIPS command
2734 *
2735 * @dev_priv: Pointer to a device private struct.
2736 * @sw_context: The software context being used for this batch.
2737 * @header: Pointer to the command header in the command stream.
2738 */
2739static int vmw_cmd_dx_genmips(struct vmw_private *dev_priv,
2740 struct vmw_sw_context *sw_context,
2741 SVGA3dCmdHeader *header)
2742{
2743 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXGenMips) =
2744 container_of(header, typeof(*cmd), header);
2745
2746 return PTR_RET(vmw_view_id_val_add(sw_context, vmw_view_sr,
2747 cmd->body.shaderResourceViewId));
2748}
2749
2750/**
2751 * vmw_cmd_dx_transfer_from_buffer - Validate
2752 * SVGA_3D_CMD_DX_TRANSFER_FROM_BUFFER command
2753 *
2754 * @dev_priv: Pointer to a device private struct.
2755 * @sw_context: The software context being used for this batch.
2756 * @header: Pointer to the command header in the command stream.
2757 */
2758static int vmw_cmd_dx_transfer_from_buffer(struct vmw_private *dev_priv,
2759 struct vmw_sw_context *sw_context,
2760 SVGA3dCmdHeader *header)
2761{
2762 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXTransferFromBuffer) =
2763 container_of(header, typeof(*cmd), header);
2764 int ret;
2765
2766 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2767 VMW_RES_DIRTY_NONE, user_surface_converter,
2768 &cmd->body.srcSid, NULL);
2769 if (ret != 0)
2770 return ret;
2771
2772 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2773 VMW_RES_DIRTY_SET, user_surface_converter,
2774 &cmd->body.destSid, NULL);
2775}
2776
2777/**
2778 * vmw_cmd_intra_surface_copy - Validate SVGA_3D_CMD_INTRA_SURFACE_COPY command
2779 *
2780 * @dev_priv: Pointer to a device private struct.
2781 * @sw_context: The software context being used for this batch.
2782 * @header: Pointer to the command header in the command stream.
2783 */
2784static int vmw_cmd_intra_surface_copy(struct vmw_private *dev_priv,
2785 struct vmw_sw_context *sw_context,
2786 SVGA3dCmdHeader *header)
2787{
2788 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdIntraSurfaceCopy) =
2789 container_of(header, typeof(*cmd), header);
2790
2791 if (!(dev_priv->capabilities2 & SVGA_CAP2_INTRA_SURFACE_COPY))
2792 return -EINVAL;
2793
2794 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2795 VMW_RES_DIRTY_SET, user_surface_converter,
2796 &cmd->body.surface.sid, NULL);
2797}
2798
2799static int vmw_cmd_check_not_3d(struct vmw_private *dev_priv,
2800 struct vmw_sw_context *sw_context,
2801 void *buf, uint32_t *size)
2802{
2803 uint32_t size_remaining = *size;
2804 uint32_t cmd_id;
2805
2806 cmd_id = ((uint32_t *)buf)[0];
2807 switch (cmd_id) {
2808 case SVGA_CMD_UPDATE:
2809 *size = sizeof(uint32_t) + sizeof(SVGAFifoCmdUpdate);
2810 break;
2811 case SVGA_CMD_DEFINE_GMRFB:
2812 *size = sizeof(uint32_t) + sizeof(SVGAFifoCmdDefineGMRFB);
2813 break;
2814 case SVGA_CMD_BLIT_GMRFB_TO_SCREEN:
2815 *size = sizeof(uint32_t) + sizeof(SVGAFifoCmdBlitGMRFBToScreen);
2816 break;
2817 case SVGA_CMD_BLIT_SCREEN_TO_GMRFB:
2818 *size = sizeof(uint32_t) + sizeof(SVGAFifoCmdBlitGMRFBToScreen);
2819 break;
2820 default:
2821 VMW_DEBUG_USER("Unsupported SVGA command: %u.\n", cmd_id);
2822 return -EINVAL;
2823 }
2824
2825 if (*size > size_remaining) {
2826 VMW_DEBUG_USER("Invalid SVGA command (size mismatch): %u.\n",
2827 cmd_id);
2828 return -EINVAL;
2829 }
2830
2831 if (unlikely(!sw_context->kernel)) {
2832 VMW_DEBUG_USER("Kernel only SVGA command: %u.\n", cmd_id);
2833 return -EPERM;
2834 }
2835
2836 if (cmd_id == SVGA_CMD_DEFINE_GMRFB)
2837 return vmw_cmd_check_define_gmrfb(dev_priv, sw_context, buf);
2838
2839 return 0;
2840}
2841
2842static const struct vmw_cmd_entry vmw_cmd_entries[SVGA_3D_CMD_MAX] = {
2843 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DEFINE, &vmw_cmd_invalid,
2844 false, false, false),
2845 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DESTROY, &vmw_cmd_invalid,
2846 false, false, false),
2847 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_COPY, &vmw_cmd_surface_copy_check,
2848 true, false, false),
2849 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_STRETCHBLT, &vmw_cmd_stretch_blt_check,
2850 true, false, false),
2851 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DMA, &vmw_cmd_dma,
2852 true, false, false),
2853 VMW_CMD_DEF(SVGA_3D_CMD_CONTEXT_DEFINE, &vmw_cmd_invalid,
2854 false, false, false),
2855 VMW_CMD_DEF(SVGA_3D_CMD_CONTEXT_DESTROY, &vmw_cmd_invalid,
2856 false, false, false),
2857 VMW_CMD_DEF(SVGA_3D_CMD_SETTRANSFORM, &vmw_cmd_cid_check,
2858 true, false, false),
2859 VMW_CMD_DEF(SVGA_3D_CMD_SETZRANGE, &vmw_cmd_cid_check,
2860 true, false, false),
2861 VMW_CMD_DEF(SVGA_3D_CMD_SETRENDERSTATE, &vmw_cmd_cid_check,
2862 true, false, false),
2863 VMW_CMD_DEF(SVGA_3D_CMD_SETRENDERTARGET,
2864 &vmw_cmd_set_render_target_check, true, false, false),
2865 VMW_CMD_DEF(SVGA_3D_CMD_SETTEXTURESTATE, &vmw_cmd_tex_state,
2866 true, false, false),
2867 VMW_CMD_DEF(SVGA_3D_CMD_SETMATERIAL, &vmw_cmd_cid_check,
2868 true, false, false),
2869 VMW_CMD_DEF(SVGA_3D_CMD_SETLIGHTDATA, &vmw_cmd_cid_check,
2870 true, false, false),
2871 VMW_CMD_DEF(SVGA_3D_CMD_SETLIGHTENABLED, &vmw_cmd_cid_check,
2872 true, false, false),
2873 VMW_CMD_DEF(SVGA_3D_CMD_SETVIEWPORT, &vmw_cmd_cid_check,
2874 true, false, false),
2875 VMW_CMD_DEF(SVGA_3D_CMD_SETCLIPPLANE, &vmw_cmd_cid_check,
2876 true, false, false),
2877 VMW_CMD_DEF(SVGA_3D_CMD_CLEAR, &vmw_cmd_cid_check,
2878 true, false, false),
2879 VMW_CMD_DEF(SVGA_3D_CMD_PRESENT, &vmw_cmd_present_check,
2880 false, false, false),
2881 VMW_CMD_DEF(SVGA_3D_CMD_SHADER_DEFINE, &vmw_cmd_shader_define,
2882 true, false, false),
2883 VMW_CMD_DEF(SVGA_3D_CMD_SHADER_DESTROY, &vmw_cmd_shader_destroy,
2884 true, false, false),
2885 VMW_CMD_DEF(SVGA_3D_CMD_SET_SHADER, &vmw_cmd_set_shader,
2886 true, false, false),
2887 VMW_CMD_DEF(SVGA_3D_CMD_SET_SHADER_CONST, &vmw_cmd_set_shader_const,
2888 true, false, false),
2889 VMW_CMD_DEF(SVGA_3D_CMD_DRAW_PRIMITIVES, &vmw_cmd_draw,
2890 true, false, false),
2891 VMW_CMD_DEF(SVGA_3D_CMD_SETSCISSORRECT, &vmw_cmd_cid_check,
2892 true, false, false),
2893 VMW_CMD_DEF(SVGA_3D_CMD_BEGIN_QUERY, &vmw_cmd_begin_query,
2894 true, false, false),
2895 VMW_CMD_DEF(SVGA_3D_CMD_END_QUERY, &vmw_cmd_end_query,
2896 true, false, false),
2897 VMW_CMD_DEF(SVGA_3D_CMD_WAIT_FOR_QUERY, &vmw_cmd_wait_query,
2898 true, false, false),
2899 VMW_CMD_DEF(SVGA_3D_CMD_PRESENT_READBACK, &vmw_cmd_ok,
2900 true, false, false),
2901 VMW_CMD_DEF(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN,
2902 &vmw_cmd_blt_surf_screen_check, false, false, false),
2903 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DEFINE_V2, &vmw_cmd_invalid,
2904 false, false, false),
2905 VMW_CMD_DEF(SVGA_3D_CMD_GENERATE_MIPMAPS, &vmw_cmd_invalid,
2906 false, false, false),
2907 VMW_CMD_DEF(SVGA_3D_CMD_ACTIVATE_SURFACE, &vmw_cmd_invalid,
2908 false, false, false),
2909 VMW_CMD_DEF(SVGA_3D_CMD_DEACTIVATE_SURFACE, &vmw_cmd_invalid,
2910 false, false, false),
2911 VMW_CMD_DEF(SVGA_3D_CMD_SCREEN_DMA, &vmw_cmd_invalid,
2912 false, false, false),
2913 VMW_CMD_DEF(SVGA_3D_CMD_DEAD1, &vmw_cmd_invalid,
2914 false, false, false),
2915 VMW_CMD_DEF(SVGA_3D_CMD_DEAD2, &vmw_cmd_invalid,
2916 false, false, false),
2917 VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_BITBLT, &vmw_cmd_invalid,
2918 false, false, false),
2919 VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_TRANSBLT, &vmw_cmd_invalid,
2920 false, false, false),
2921 VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_STRETCHBLT, &vmw_cmd_invalid,
2922 false, false, false),
2923 VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_COLORFILL, &vmw_cmd_invalid,
2924 false, false, false),
2925 VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_ALPHABLEND, &vmw_cmd_invalid,
2926 false, false, false),
2927 VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_CLEARTYPEBLEND, &vmw_cmd_invalid,
2928 false, false, false),
2929 VMW_CMD_DEF(SVGA_3D_CMD_SET_OTABLE_BASE, &vmw_cmd_invalid,
2930 false, false, true),
2931 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_OTABLE, &vmw_cmd_invalid,
2932 false, false, true),
2933 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_MOB, &vmw_cmd_invalid,
2934 false, false, true),
2935 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_MOB, &vmw_cmd_invalid,
2936 false, false, true),
2937 VMW_CMD_DEF(SVGA_3D_CMD_REDEFINE_GB_MOB64, &vmw_cmd_invalid,
2938 false, false, true),
2939 VMW_CMD_DEF(SVGA_3D_CMD_UPDATE_GB_MOB_MAPPING, &vmw_cmd_invalid,
2940 false, false, true),
2941 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SURFACE, &vmw_cmd_invalid,
2942 false, false, true),
2943 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_SURFACE, &vmw_cmd_invalid,
2944 false, false, true),
2945 VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_SURFACE, &vmw_cmd_bind_gb_surface,
2946 true, false, true),
2947 VMW_CMD_DEF(SVGA_3D_CMD_COND_BIND_GB_SURFACE, &vmw_cmd_invalid,
2948 false, false, true),
2949 VMW_CMD_DEF(SVGA_3D_CMD_UPDATE_GB_IMAGE, &vmw_cmd_update_gb_image,
2950 true, false, true),
2951 VMW_CMD_DEF(SVGA_3D_CMD_UPDATE_GB_SURFACE,
2952 &vmw_cmd_update_gb_surface, true, false, true),
2953 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_GB_IMAGE,
2954 &vmw_cmd_readback_gb_image, true, false, true),
2955 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_GB_SURFACE,
2956 &vmw_cmd_readback_gb_surface, true, false, true),
2957 VMW_CMD_DEF(SVGA_3D_CMD_INVALIDATE_GB_IMAGE,
2958 &vmw_cmd_invalidate_gb_image, true, false, true),
2959 VMW_CMD_DEF(SVGA_3D_CMD_INVALIDATE_GB_SURFACE,
2960 &vmw_cmd_invalidate_gb_surface, true, false, true),
2961 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_CONTEXT, &vmw_cmd_invalid,
2962 false, false, true),
2963 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_CONTEXT, &vmw_cmd_invalid,
2964 false, false, true),
2965 VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_CONTEXT, &vmw_cmd_invalid,
2966 false, false, true),
2967 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_GB_CONTEXT, &vmw_cmd_invalid,
2968 false, false, true),
2969 VMW_CMD_DEF(SVGA_3D_CMD_INVALIDATE_GB_CONTEXT, &vmw_cmd_invalid,
2970 false, false, true),
2971 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SHADER, &vmw_cmd_invalid,
2972 false, false, true),
2973 VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_SHADER, &vmw_cmd_bind_gb_shader,
2974 true, false, true),
2975 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_SHADER, &vmw_cmd_invalid,
2976 false, false, true),
2977 VMW_CMD_DEF(SVGA_3D_CMD_SET_OTABLE_BASE64, &vmw_cmd_invalid,
2978 false, false, false),
2979 VMW_CMD_DEF(SVGA_3D_CMD_BEGIN_GB_QUERY, &vmw_cmd_begin_gb_query,
2980 true, false, true),
2981 VMW_CMD_DEF(SVGA_3D_CMD_END_GB_QUERY, &vmw_cmd_end_gb_query,
2982 true, false, true),
2983 VMW_CMD_DEF(SVGA_3D_CMD_WAIT_FOR_GB_QUERY, &vmw_cmd_wait_gb_query,
2984 true, false, true),
2985 VMW_CMD_DEF(SVGA_3D_CMD_NOP, &vmw_cmd_ok,
2986 true, false, true),
2987 VMW_CMD_DEF(SVGA_3D_CMD_NOP_ERROR, &vmw_cmd_ok,
2988 true, false, true),
2989 VMW_CMD_DEF(SVGA_3D_CMD_ENABLE_GART, &vmw_cmd_invalid,
2990 false, false, true),
2991 VMW_CMD_DEF(SVGA_3D_CMD_DISABLE_GART, &vmw_cmd_invalid,
2992 false, false, true),
2993 VMW_CMD_DEF(SVGA_3D_CMD_MAP_MOB_INTO_GART, &vmw_cmd_invalid,
2994 false, false, true),
2995 VMW_CMD_DEF(SVGA_3D_CMD_UNMAP_GART_RANGE, &vmw_cmd_invalid,
2996 false, false, true),
2997 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SCREENTARGET, &vmw_cmd_invalid,
2998 false, false, true),
2999 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_SCREENTARGET, &vmw_cmd_invalid,
3000 false, false, true),
3001 VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_SCREENTARGET, &vmw_cmd_invalid,
3002 false, false, true),
3003 VMW_CMD_DEF(SVGA_3D_CMD_UPDATE_GB_SCREENTARGET, &vmw_cmd_invalid,
3004 false, false, true),
3005 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_GB_IMAGE_PARTIAL, &vmw_cmd_invalid,
3006 false, false, true),
3007 VMW_CMD_DEF(SVGA_3D_CMD_INVALIDATE_GB_IMAGE_PARTIAL, &vmw_cmd_invalid,
3008 false, false, true),
3009 VMW_CMD_DEF(SVGA_3D_CMD_SET_GB_SHADERCONSTS_INLINE, &vmw_cmd_cid_check,
3010 true, false, true),
3011 VMW_CMD_DEF(SVGA_3D_CMD_GB_SCREEN_DMA, &vmw_cmd_invalid,
3012 false, false, true),
3013 VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_SURFACE_WITH_PITCH, &vmw_cmd_invalid,
3014 false, false, true),
3015 VMW_CMD_DEF(SVGA_3D_CMD_GB_MOB_FENCE, &vmw_cmd_invalid,
3016 false, false, true),
3017 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SURFACE_V2, &vmw_cmd_invalid,
3018 false, false, true),
3019
3020 /* SM commands */
3021 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_CONTEXT, &vmw_cmd_invalid,
3022 false, false, true),
3023 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_CONTEXT, &vmw_cmd_invalid,
3024 false, false, true),
3025 VMW_CMD_DEF(SVGA_3D_CMD_DX_BIND_CONTEXT, &vmw_cmd_invalid,
3026 false, false, true),
3027 VMW_CMD_DEF(SVGA_3D_CMD_DX_READBACK_CONTEXT, &vmw_cmd_invalid,
3028 false, false, true),
3029 VMW_CMD_DEF(SVGA_3D_CMD_DX_INVALIDATE_CONTEXT, &vmw_cmd_invalid,
3030 false, false, true),
3031 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SINGLE_CONSTANT_BUFFER,
3032 &vmw_cmd_dx_set_single_constant_buffer, true, false, true),
3033 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SHADER_RESOURCES,
3034 &vmw_cmd_dx_set_shader_res, true, false, true),
3035 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SHADER, &vmw_cmd_dx_set_shader,
3036 true, false, true),
3037 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SAMPLERS, &vmw_cmd_dx_cid_check,
3038 true, false, true),
3039 VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW, &vmw_cmd_dx_cid_check,
3040 true, false, true),
3041 VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW_INDEXED, &vmw_cmd_dx_cid_check,
3042 true, false, true),
3043 VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW_INSTANCED, &vmw_cmd_dx_cid_check,
3044 true, false, true),
3045 VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW_INDEXED_INSTANCED,
3046 &vmw_cmd_dx_cid_check, true, false, true),
3047 VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW_AUTO, &vmw_cmd_dx_cid_check,
3048 true, false, true),
3049 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_VERTEX_BUFFERS,
3050 &vmw_cmd_dx_set_vertex_buffers, true, false, true),
3051 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_INDEX_BUFFER,
3052 &vmw_cmd_dx_set_index_buffer, true, false, true),
3053 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_RENDERTARGETS,
3054 &vmw_cmd_dx_set_rendertargets, true, false, true),
3055 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_BLEND_STATE, &vmw_cmd_dx_cid_check,
3056 true, false, true),
3057 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_DEPTHSTENCIL_STATE,
3058 &vmw_cmd_dx_cid_check, true, false, true),
3059 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_RASTERIZER_STATE,
3060 &vmw_cmd_dx_cid_check, true, false, true),
3061 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_QUERY, &vmw_cmd_dx_define_query,
3062 true, false, true),
3063 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_QUERY, &vmw_cmd_dx_cid_check,
3064 true, false, true),
3065 VMW_CMD_DEF(SVGA_3D_CMD_DX_BIND_QUERY, &vmw_cmd_dx_bind_query,
3066 true, false, true),
3067 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_QUERY_OFFSET,
3068 &vmw_cmd_dx_cid_check, true, false, true),
3069 VMW_CMD_DEF(SVGA_3D_CMD_DX_BEGIN_QUERY, &vmw_cmd_dx_cid_check,
3070 true, false, true),
3071 VMW_CMD_DEF(SVGA_3D_CMD_DX_END_QUERY, &vmw_cmd_dx_cid_check,
3072 true, false, true),
3073 VMW_CMD_DEF(SVGA_3D_CMD_DX_READBACK_QUERY, &vmw_cmd_invalid,
3074 true, false, true),
3075 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_PREDICATION, &vmw_cmd_dx_cid_check,
3076 true, false, true),
3077 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_VIEWPORTS, &vmw_cmd_dx_cid_check,
3078 true, false, true),
3079 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SCISSORRECTS, &vmw_cmd_dx_cid_check,
3080 true, false, true),
3081 VMW_CMD_DEF(SVGA_3D_CMD_DX_CLEAR_RENDERTARGET_VIEW,
3082 &vmw_cmd_dx_clear_rendertarget_view, true, false, true),
3083 VMW_CMD_DEF(SVGA_3D_CMD_DX_CLEAR_DEPTHSTENCIL_VIEW,
3084 &vmw_cmd_dx_clear_depthstencil_view, true, false, true),
3085 VMW_CMD_DEF(SVGA_3D_CMD_DX_PRED_COPY, &vmw_cmd_invalid,
3086 true, false, true),
3087 VMW_CMD_DEF(SVGA_3D_CMD_DX_GENMIPS, &vmw_cmd_dx_genmips,
3088 true, false, true),
3089 VMW_CMD_DEF(SVGA_3D_CMD_DX_UPDATE_SUBRESOURCE,
3090 &vmw_cmd_dx_check_subresource, true, false, true),
3091 VMW_CMD_DEF(SVGA_3D_CMD_DX_READBACK_SUBRESOURCE,
3092 &vmw_cmd_dx_check_subresource, true, false, true),
3093 VMW_CMD_DEF(SVGA_3D_CMD_DX_INVALIDATE_SUBRESOURCE,
3094 &vmw_cmd_dx_check_subresource, true, false, true),
3095 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_SHADERRESOURCE_VIEW,
3096 &vmw_cmd_dx_view_define, true, false, true),
3097 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_SHADERRESOURCE_VIEW,
3098 &vmw_cmd_dx_view_remove, true, false, true),
3099 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_RENDERTARGET_VIEW,
3100 &vmw_cmd_dx_view_define, true, false, true),
3101 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_RENDERTARGET_VIEW,
3102 &vmw_cmd_dx_view_remove, true, false, true),
3103 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_DEPTHSTENCIL_VIEW,
3104 &vmw_cmd_dx_view_define, true, false, true),
3105 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_DEPTHSTENCIL_VIEW,
3106 &vmw_cmd_dx_view_remove, true, false, true),
3107 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_ELEMENTLAYOUT,
3108 &vmw_cmd_dx_so_define, true, false, true),
3109 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_ELEMENTLAYOUT,
3110 &vmw_cmd_dx_cid_check, true, false, true),
3111 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_BLEND_STATE,
3112 &vmw_cmd_dx_so_define, true, false, true),
3113 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_BLEND_STATE,
3114 &vmw_cmd_dx_cid_check, true, false, true),
3115 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_DEPTHSTENCIL_STATE,
3116 &vmw_cmd_dx_so_define, true, false, true),
3117 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_DEPTHSTENCIL_STATE,
3118 &vmw_cmd_dx_cid_check, true, false, true),
3119 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_RASTERIZER_STATE,
3120 &vmw_cmd_dx_so_define, true, false, true),
3121 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_RASTERIZER_STATE,
3122 &vmw_cmd_dx_cid_check, true, false, true),
3123 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_SAMPLER_STATE,
3124 &vmw_cmd_dx_so_define, true, false, true),
3125 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_SAMPLER_STATE,
3126 &vmw_cmd_dx_cid_check, true, false, true),
3127 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_SHADER,
3128 &vmw_cmd_dx_define_shader, true, false, true),
3129 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_SHADER,
3130 &vmw_cmd_dx_destroy_shader, true, false, true),
3131 VMW_CMD_DEF(SVGA_3D_CMD_DX_BIND_SHADER,
3132 &vmw_cmd_dx_bind_shader, true, false, true),
3133 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_STREAMOUTPUT,
3134 &vmw_cmd_dx_so_define, true, false, true),
3135 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_STREAMOUTPUT,
3136 &vmw_cmd_dx_cid_check, true, false, true),
3137 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_STREAMOUTPUT, &vmw_cmd_dx_cid_check,
3138 true, false, true),
3139 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SOTARGETS,
3140 &vmw_cmd_dx_set_so_targets, true, false, true),
3141 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_INPUT_LAYOUT,
3142 &vmw_cmd_dx_cid_check, true, false, true),
3143 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_TOPOLOGY,
3144 &vmw_cmd_dx_cid_check, true, false, true),
3145 VMW_CMD_DEF(SVGA_3D_CMD_DX_BUFFER_COPY,
3146 &vmw_cmd_buffer_copy_check, true, false, true),
3147 VMW_CMD_DEF(SVGA_3D_CMD_DX_PRED_COPY_REGION,
3148 &vmw_cmd_pred_copy_check, true, false, true),
3149 VMW_CMD_DEF(SVGA_3D_CMD_DX_TRANSFER_FROM_BUFFER,
3150 &vmw_cmd_dx_transfer_from_buffer,
3151 true, false, true),
3152 VMW_CMD_DEF(SVGA_3D_CMD_INTRA_SURFACE_COPY, &vmw_cmd_intra_surface_copy,
3153 true, false, true),
3154};
3155
3156bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd)
3157{
3158 u32 cmd_id = ((u32 *) buf)[0];
3159
3160 if (cmd_id >= SVGA_CMD_MAX) {
3161 SVGA3dCmdHeader *header = (SVGA3dCmdHeader *) buf;
3162 const struct vmw_cmd_entry *entry;
3163
3164 *size = header->size + sizeof(SVGA3dCmdHeader);
3165 cmd_id = header->id;
3166 if (cmd_id >= SVGA_3D_CMD_MAX)
3167 return false;
3168
3169 cmd_id -= SVGA_3D_CMD_BASE;
3170 entry = &vmw_cmd_entries[cmd_id];
3171 *cmd = entry->cmd_name;
3172 return true;
3173 }
3174
3175 switch (cmd_id) {
3176 case SVGA_CMD_UPDATE:
3177 *cmd = "SVGA_CMD_UPDATE";
3178 *size = sizeof(u32) + sizeof(SVGAFifoCmdUpdate);
3179 break;
3180 case SVGA_CMD_DEFINE_GMRFB:
3181 *cmd = "SVGA_CMD_DEFINE_GMRFB";
3182 *size = sizeof(u32) + sizeof(SVGAFifoCmdDefineGMRFB);
3183 break;
3184 case SVGA_CMD_BLIT_GMRFB_TO_SCREEN:
3185 *cmd = "SVGA_CMD_BLIT_GMRFB_TO_SCREEN";
3186 *size = sizeof(u32) + sizeof(SVGAFifoCmdBlitGMRFBToScreen);
3187 break;
3188 case SVGA_CMD_BLIT_SCREEN_TO_GMRFB:
3189 *cmd = "SVGA_CMD_BLIT_SCREEN_TO_GMRFB";
3190 *size = sizeof(u32) + sizeof(SVGAFifoCmdBlitGMRFBToScreen);
3191 break;
3192 default:
3193 *cmd = "UNKNOWN";
3194 *size = 0;
3195 return false;
3196 }
3197
3198 return true;
3199}
3200
3201static int vmw_cmd_check(struct vmw_private *dev_priv,
3202 struct vmw_sw_context *sw_context, void *buf,
3203 uint32_t *size)
3204{
3205 uint32_t cmd_id;
3206 uint32_t size_remaining = *size;
3207 SVGA3dCmdHeader *header = (SVGA3dCmdHeader *) buf;
3208 int ret;
3209 const struct vmw_cmd_entry *entry;
3210 bool gb = dev_priv->capabilities & SVGA_CAP_GBOBJECTS;
3211
3212 cmd_id = ((uint32_t *)buf)[0];
3213 /* Handle any none 3D commands */
3214 if (unlikely(cmd_id < SVGA_CMD_MAX))
3215 return vmw_cmd_check_not_3d(dev_priv, sw_context, buf, size);
3216
3217
3218 cmd_id = header->id;
3219 *size = header->size + sizeof(SVGA3dCmdHeader);
3220
3221 cmd_id -= SVGA_3D_CMD_BASE;
3222 if (unlikely(*size > size_remaining))
3223 goto out_invalid;
3224
3225 if (unlikely(cmd_id >= SVGA_3D_CMD_MAX - SVGA_3D_CMD_BASE))
3226 goto out_invalid;
3227
3228 entry = &vmw_cmd_entries[cmd_id];
3229 if (unlikely(!entry->func))
3230 goto out_invalid;
3231
3232 if (unlikely(!entry->user_allow && !sw_context->kernel))
3233 goto out_privileged;
3234
3235 if (unlikely(entry->gb_disable && gb))
3236 goto out_old;
3237
3238 if (unlikely(entry->gb_enable && !gb))
3239 goto out_new;
3240
3241 ret = entry->func(dev_priv, sw_context, header);
3242 if (unlikely(ret != 0)) {
3243 VMW_DEBUG_USER("SVGA3D command: %d failed with error %d\n",
3244 cmd_id + SVGA_3D_CMD_BASE, ret);
3245 return ret;
3246 }
3247
3248 return 0;
3249out_invalid:
3250 VMW_DEBUG_USER("Invalid SVGA3D command: %d\n",
3251 cmd_id + SVGA_3D_CMD_BASE);
3252 return -EINVAL;
3253out_privileged:
3254 VMW_DEBUG_USER("Privileged SVGA3D command: %d\n",
3255 cmd_id + SVGA_3D_CMD_BASE);
3256 return -EPERM;
3257out_old:
3258 VMW_DEBUG_USER("Deprecated (disallowed) SVGA3D command: %d\n",
3259 cmd_id + SVGA_3D_CMD_BASE);
3260 return -EINVAL;
3261out_new:
3262 VMW_DEBUG_USER("SVGA3D command: %d not supported by virtual device.\n",
3263 cmd_id + SVGA_3D_CMD_BASE);
3264 return -EINVAL;
3265}
3266
3267static int vmw_cmd_check_all(struct vmw_private *dev_priv,
3268 struct vmw_sw_context *sw_context, void *buf,
3269 uint32_t size)
3270{
3271 int32_t cur_size = size;
3272 int ret;
3273
3274 sw_context->buf_start = buf;
3275
3276 while (cur_size > 0) {
3277 size = cur_size;
3278 ret = vmw_cmd_check(dev_priv, sw_context, buf, &size);
3279 if (unlikely(ret != 0))
3280 return ret;
3281 buf = (void *)((unsigned long) buf + size);
3282 cur_size -= size;
3283 }
3284
3285 if (unlikely(cur_size != 0)) {
3286 VMW_DEBUG_USER("Command verifier out of sync.\n");
3287 return -EINVAL;
3288 }
3289
3290 return 0;
3291}
3292
3293static void vmw_free_relocations(struct vmw_sw_context *sw_context)
3294{
3295 /* Memory is validation context memory, so no need to free it */
3296 INIT_LIST_HEAD(&sw_context->bo_relocations);
3297}
3298
3299static void vmw_apply_relocations(struct vmw_sw_context *sw_context)
3300{
3301 struct vmw_relocation *reloc;
3302 struct ttm_buffer_object *bo;
3303
3304 list_for_each_entry(reloc, &sw_context->bo_relocations, head) {
3305 bo = &reloc->vbo->base;
3306 switch (bo->mem.mem_type) {
3307 case TTM_PL_VRAM:
3308 reloc->location->offset += bo->offset;
3309 reloc->location->gmrId = SVGA_GMR_FRAMEBUFFER;
3310 break;
3311 case VMW_PL_GMR:
3312 reloc->location->gmrId = bo->mem.start;
3313 break;
3314 case VMW_PL_MOB:
3315 *reloc->mob_loc = bo->mem.start;
3316 break;
3317 default:
3318 BUG();
3319 }
3320 }
3321 vmw_free_relocations(sw_context);
3322}
3323
3324static int vmw_resize_cmd_bounce(struct vmw_sw_context *sw_context,
3325 uint32_t size)
3326{
3327 if (likely(sw_context->cmd_bounce_size >= size))
3328 return 0;
3329
3330 if (sw_context->cmd_bounce_size == 0)
3331 sw_context->cmd_bounce_size = VMWGFX_CMD_BOUNCE_INIT_SIZE;
3332
3333 while (sw_context->cmd_bounce_size < size) {
3334 sw_context->cmd_bounce_size =
3335 PAGE_ALIGN(sw_context->cmd_bounce_size +
3336 (sw_context->cmd_bounce_size >> 1));
3337 }
3338
3339 vfree(sw_context->cmd_bounce);
3340 sw_context->cmd_bounce = vmalloc(sw_context->cmd_bounce_size);
3341
3342 if (sw_context->cmd_bounce == NULL) {
3343 VMW_DEBUG_USER("Failed to allocate command bounce buffer.\n");
3344 sw_context->cmd_bounce_size = 0;
3345 return -ENOMEM;
3346 }
3347
3348 return 0;
3349}
3350
3351/**
3352 * vmw_execbuf_fence_commands - create and submit a command stream fence
3353 *
3354 * Creates a fence object and submits a command stream marker.
3355 * If this fails for some reason, We sync the fifo and return NULL.
3356 * It is then safe to fence buffers with a NULL pointer.
3357 *
3358 * If @p_handle is not NULL @file_priv must also not be NULL. Creates a
3359 * userspace handle if @p_handle is not NULL, otherwise not.
3360 */
3361
3362int vmw_execbuf_fence_commands(struct drm_file *file_priv,
3363 struct vmw_private *dev_priv,
3364 struct vmw_fence_obj **p_fence,
3365 uint32_t *p_handle)
3366{
3367 uint32_t sequence;
3368 int ret;
3369 bool synced = false;
3370
3371 /* p_handle implies file_priv. */
3372 BUG_ON(p_handle != NULL && file_priv == NULL);
3373
3374 ret = vmw_fifo_send_fence(dev_priv, &sequence);
3375 if (unlikely(ret != 0)) {
3376 VMW_DEBUG_USER("Fence submission error. Syncing.\n");
3377 synced = true;
3378 }
3379
3380 if (p_handle != NULL)
3381 ret = vmw_user_fence_create(file_priv, dev_priv->fman,
3382 sequence, p_fence, p_handle);
3383 else
3384 ret = vmw_fence_create(dev_priv->fman, sequence, p_fence);
3385
3386 if (unlikely(ret != 0 && !synced)) {
3387 (void) vmw_fallback_wait(dev_priv, false, false, sequence,
3388 false, VMW_FENCE_WAIT_TIMEOUT);
3389 *p_fence = NULL;
3390 }
3391
3392 return ret;
3393}
3394
3395/**
3396 * vmw_execbuf_copy_fence_user - copy fence object information to user-space.
3397 *
3398 * @dev_priv: Pointer to a vmw_private struct.
3399 * @vmw_fp: Pointer to the struct vmw_fpriv representing the calling file.
3400 * @ret: Return value from fence object creation.
3401 * @user_fence_rep: User space address of a struct drm_vmw_fence_rep to which
3402 * the information should be copied.
3403 * @fence: Pointer to the fenc object.
3404 * @fence_handle: User-space fence handle.
3405 * @out_fence_fd: exported file descriptor for the fence. -1 if not used
3406 * @sync_file: Only used to clean up in case of an error in this function.
3407 *
3408 * This function copies fence information to user-space. If copying fails, the
3409 * user-space struct drm_vmw_fence_rep::error member is hopefully left
3410 * untouched, and if it's preloaded with an -EFAULT by user-space, the error
3411 * will hopefully be detected.
3412 *
3413 * Also if copying fails, user-space will be unable to signal the fence object
3414 * so we wait for it immediately, and then unreference the user-space reference.
3415 */
3416void
3417vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv,
3418 struct vmw_fpriv *vmw_fp, int ret,
3419 struct drm_vmw_fence_rep __user *user_fence_rep,
3420 struct vmw_fence_obj *fence, uint32_t fence_handle,
3421 int32_t out_fence_fd, struct sync_file *sync_file)
3422{
3423 struct drm_vmw_fence_rep fence_rep;
3424
3425 if (user_fence_rep == NULL)
3426 return;
3427
3428 memset(&fence_rep, 0, sizeof(fence_rep));
3429
3430 fence_rep.error = ret;
3431 fence_rep.fd = out_fence_fd;
3432 if (ret == 0) {
3433 BUG_ON(fence == NULL);
3434
3435 fence_rep.handle = fence_handle;
3436 fence_rep.seqno = fence->base.seqno;
3437 vmw_update_seqno(dev_priv, &dev_priv->fifo);
3438 fence_rep.passed_seqno = dev_priv->last_read_seqno;
3439 }
3440
3441 /*
3442 * copy_to_user errors will be detected by user space not seeing
3443 * fence_rep::error filled in. Typically user-space would have pre-set
3444 * that member to -EFAULT.
3445 */
3446 ret = copy_to_user(user_fence_rep, &fence_rep,
3447 sizeof(fence_rep));
3448
3449 /*
3450 * User-space lost the fence object. We need to sync and unreference the
3451 * handle.
3452 */
3453 if (unlikely(ret != 0) && (fence_rep.error == 0)) {
3454 if (sync_file)
3455 fput(sync_file->file);
3456
3457 if (fence_rep.fd != -1) {
3458 put_unused_fd(fence_rep.fd);
3459 fence_rep.fd = -1;
3460 }
3461
3462 ttm_ref_object_base_unref(vmw_fp->tfile, fence_handle,
3463 TTM_REF_USAGE);
3464 VMW_DEBUG_USER("Fence copy error. Syncing.\n");
3465 (void) vmw_fence_obj_wait(fence, false, false,
3466 VMW_FENCE_WAIT_TIMEOUT);
3467 }
3468}
3469
3470/**
3471 * vmw_execbuf_submit_fifo - Patch a command batch and submit it using the fifo.
3472 *
3473 * @dev_priv: Pointer to a device private structure.
3474 * @kernel_commands: Pointer to the unpatched command batch.
3475 * @command_size: Size of the unpatched command batch.
3476 * @sw_context: Structure holding the relocation lists.
3477 *
3478 * Side effects: If this function returns 0, then the command batch pointed to
3479 * by @kernel_commands will have been modified.
3480 */
3481static int vmw_execbuf_submit_fifo(struct vmw_private *dev_priv,
3482 void *kernel_commands, u32 command_size,
3483 struct vmw_sw_context *sw_context)
3484{
3485 void *cmd;
3486
3487 if (sw_context->dx_ctx_node)
3488 cmd = VMW_FIFO_RESERVE_DX(dev_priv, command_size,
3489 sw_context->dx_ctx_node->ctx->id);
3490 else
3491 cmd = VMW_FIFO_RESERVE(dev_priv, command_size);
3492
3493 if (!cmd)
3494 return -ENOMEM;
3495
3496 vmw_apply_relocations(sw_context);
3497 memcpy(cmd, kernel_commands, command_size);
3498 vmw_resource_relocations_apply(cmd, &sw_context->res_relocations);
3499 vmw_resource_relocations_free(&sw_context->res_relocations);
3500 vmw_fifo_commit(dev_priv, command_size);
3501
3502 return 0;
3503}
3504
3505/**
3506 * vmw_execbuf_submit_cmdbuf - Patch a command batch and submit it using the
3507 * command buffer manager.
3508 *
3509 * @dev_priv: Pointer to a device private structure.
3510 * @header: Opaque handle to the command buffer allocation.
3511 * @command_size: Size of the unpatched command batch.
3512 * @sw_context: Structure holding the relocation lists.
3513 *
3514 * Side effects: If this function returns 0, then the command buffer represented
3515 * by @header will have been modified.
3516 */
3517static int vmw_execbuf_submit_cmdbuf(struct vmw_private *dev_priv,
3518 struct vmw_cmdbuf_header *header,
3519 u32 command_size,
3520 struct vmw_sw_context *sw_context)
3521{
3522 u32 id = ((sw_context->dx_ctx_node) ? sw_context->dx_ctx_node->ctx->id :
3523 SVGA3D_INVALID_ID);
3524 void *cmd = vmw_cmdbuf_reserve(dev_priv->cman, command_size, id, false,
3525 header);
3526
3527 vmw_apply_relocations(sw_context);
3528 vmw_resource_relocations_apply(cmd, &sw_context->res_relocations);
3529 vmw_resource_relocations_free(&sw_context->res_relocations);
3530 vmw_cmdbuf_commit(dev_priv->cman, command_size, header, false);
3531
3532 return 0;
3533}
3534
3535/**
3536 * vmw_execbuf_cmdbuf - Prepare, if possible, a user-space command batch for
3537 * submission using a command buffer.
3538 *
3539 * @dev_priv: Pointer to a device private structure.
3540 * @user_commands: User-space pointer to the commands to be submitted.
3541 * @command_size: Size of the unpatched command batch.
3542 * @header: Out parameter returning the opaque pointer to the command buffer.
3543 *
3544 * This function checks whether we can use the command buffer manager for
3545 * submission and if so, creates a command buffer of suitable size and copies
3546 * the user data into that buffer.
3547 *
3548 * On successful return, the function returns a pointer to the data in the
3549 * command buffer and *@header is set to non-NULL.
3550 *
3551 * If command buffers could not be used, the function will return the value of
3552 * @kernel_commands on function call. That value may be NULL. In that case, the
3553 * value of *@header will be set to NULL.
3554 *
3555 * If an error is encountered, the function will return a pointer error value.
3556 * If the function is interrupted by a signal while sleeping, it will return
3557 * -ERESTARTSYS casted to a pointer error value.
3558 */
3559static void *vmw_execbuf_cmdbuf(struct vmw_private *dev_priv,
3560 void __user *user_commands,
3561 void *kernel_commands, u32 command_size,
3562 struct vmw_cmdbuf_header **header)
3563{
3564 size_t cmdbuf_size;
3565 int ret;
3566
3567 *header = NULL;
3568 if (command_size > SVGA_CB_MAX_SIZE) {
3569 VMW_DEBUG_USER("Command buffer is too large.\n");
3570 return ERR_PTR(-EINVAL);
3571 }
3572
3573 if (!dev_priv->cman || kernel_commands)
3574 return kernel_commands;
3575
3576 /* If possible, add a little space for fencing. */
3577 cmdbuf_size = command_size + 512;
3578 cmdbuf_size = min_t(size_t, cmdbuf_size, SVGA_CB_MAX_SIZE);
3579 kernel_commands = vmw_cmdbuf_alloc(dev_priv->cman, cmdbuf_size, true,
3580 header);
3581 if (IS_ERR(kernel_commands))
3582 return kernel_commands;
3583
3584 ret = copy_from_user(kernel_commands, user_commands, command_size);
3585 if (ret) {
3586 VMW_DEBUG_USER("Failed copying commands.\n");
3587 vmw_cmdbuf_header_free(*header);
3588 *header = NULL;
3589 return ERR_PTR(-EFAULT);
3590 }
3591
3592 return kernel_commands;
3593}
3594
3595static int vmw_execbuf_tie_context(struct vmw_private *dev_priv,
3596 struct vmw_sw_context *sw_context,
3597 uint32_t handle)
3598{
3599 struct vmw_resource *res;
3600 int ret;
3601 unsigned int size;
3602
3603 if (handle == SVGA3D_INVALID_ID)
3604 return 0;
3605
3606 size = vmw_execbuf_res_size(dev_priv, vmw_res_dx_context);
3607 ret = vmw_validation_preload_res(sw_context->ctx, size);
3608 if (ret)
3609 return ret;
3610
3611 res = vmw_user_resource_noref_lookup_handle
3612 (dev_priv, sw_context->fp->tfile, handle,
3613 user_context_converter);
3614 if (IS_ERR(res)) {
3615 VMW_DEBUG_USER("Could not find or user DX context 0x%08x.\n",
3616 (unsigned int) handle);
3617 return PTR_ERR(res);
3618 }
3619
3620 ret = vmw_execbuf_res_noref_val_add(sw_context, res, VMW_RES_DIRTY_SET);
3621 if (unlikely(ret != 0))
3622 return ret;
3623
3624 sw_context->dx_ctx_node = vmw_execbuf_info_from_res(sw_context, res);
3625 sw_context->man = vmw_context_res_man(res);
3626
3627 return 0;
3628}
3629
3630int vmw_execbuf_process(struct drm_file *file_priv,
3631 struct vmw_private *dev_priv,
3632 void __user *user_commands, void *kernel_commands,
3633 uint32_t command_size, uint64_t throttle_us,
3634 uint32_t dx_context_handle,
3635 struct drm_vmw_fence_rep __user *user_fence_rep,
3636 struct vmw_fence_obj **out_fence, uint32_t flags)
3637{
3638 struct vmw_sw_context *sw_context = &dev_priv->ctx;
3639 struct vmw_fence_obj *fence = NULL;
3640 struct vmw_cmdbuf_header *header;
3641 uint32_t handle = 0;
3642 int ret;
3643 int32_t out_fence_fd = -1;
3644 struct sync_file *sync_file = NULL;
3645 DECLARE_VAL_CONTEXT(val_ctx, &sw_context->res_ht, 1);
3646
3647 vmw_validation_set_val_mem(&val_ctx, &dev_priv->vvm);
3648
3649 if (flags & DRM_VMW_EXECBUF_FLAG_EXPORT_FENCE_FD) {
3650 out_fence_fd = get_unused_fd_flags(O_CLOEXEC);
3651 if (out_fence_fd < 0) {
3652 VMW_DEBUG_USER("Failed to get a fence fd.\n");
3653 return out_fence_fd;
3654 }
3655 }
3656
3657 if (throttle_us) {
3658 ret = vmw_wait_lag(dev_priv, &dev_priv->fifo.marker_queue,
3659 throttle_us);
3660
3661 if (ret)
3662 goto out_free_fence_fd;
3663 }
3664
3665 kernel_commands = vmw_execbuf_cmdbuf(dev_priv, user_commands,
3666 kernel_commands, command_size,
3667 &header);
3668 if (IS_ERR(kernel_commands)) {
3669 ret = PTR_ERR(kernel_commands);
3670 goto out_free_fence_fd;
3671 }
3672
3673 ret = mutex_lock_interruptible(&dev_priv->cmdbuf_mutex);
3674 if (ret) {
3675 ret = -ERESTARTSYS;
3676 goto out_free_header;
3677 }
3678
3679 sw_context->kernel = false;
3680 if (kernel_commands == NULL) {
3681 ret = vmw_resize_cmd_bounce(sw_context, command_size);
3682 if (unlikely(ret != 0))
3683 goto out_unlock;
3684
3685 ret = copy_from_user(sw_context->cmd_bounce, user_commands,
3686 command_size);
3687 if (unlikely(ret != 0)) {
3688 ret = -EFAULT;
3689 VMW_DEBUG_USER("Failed copying commands.\n");
3690 goto out_unlock;
3691 }
3692
3693 kernel_commands = sw_context->cmd_bounce;
3694 } else if (!header) {
3695 sw_context->kernel = true;
3696 }
3697
3698 sw_context->fp = vmw_fpriv(file_priv);
3699 INIT_LIST_HEAD(&sw_context->ctx_list);
3700 sw_context->cur_query_bo = dev_priv->pinned_bo;
3701 sw_context->last_query_ctx = NULL;
3702 sw_context->needs_post_query_barrier = false;
3703 sw_context->dx_ctx_node = NULL;
3704 sw_context->dx_query_mob = NULL;
3705 sw_context->dx_query_ctx = NULL;
3706 memset(sw_context->res_cache, 0, sizeof(sw_context->res_cache));
3707 INIT_LIST_HEAD(&sw_context->res_relocations);
3708 INIT_LIST_HEAD(&sw_context->bo_relocations);
3709
3710 if (sw_context->staged_bindings)
3711 vmw_binding_state_reset(sw_context->staged_bindings);
3712
3713 if (!sw_context->res_ht_initialized) {
3714 ret = drm_ht_create(&sw_context->res_ht, VMW_RES_HT_ORDER);
3715 if (unlikely(ret != 0))
3716 goto out_unlock;
3717
3718 sw_context->res_ht_initialized = true;
3719 }
3720
3721 INIT_LIST_HEAD(&sw_context->staged_cmd_res);
3722 sw_context->ctx = &val_ctx;
3723 ret = vmw_execbuf_tie_context(dev_priv, sw_context, dx_context_handle);
3724 if (unlikely(ret != 0))
3725 goto out_err_nores;
3726
3727 ret = vmw_cmd_check_all(dev_priv, sw_context, kernel_commands,
3728 command_size);
3729 if (unlikely(ret != 0))
3730 goto out_err_nores;
3731
3732 ret = vmw_resources_reserve(sw_context);
3733 if (unlikely(ret != 0))
3734 goto out_err_nores;
3735
3736 ret = vmw_validation_bo_reserve(&val_ctx, true);
3737 if (unlikely(ret != 0))
3738 goto out_err_nores;
3739
3740 ret = vmw_validation_bo_validate(&val_ctx, true);
3741 if (unlikely(ret != 0))
3742 goto out_err;
3743
3744 ret = vmw_validation_res_validate(&val_ctx, true);
3745 if (unlikely(ret != 0))
3746 goto out_err;
3747
3748 vmw_validation_drop_ht(&val_ctx);
3749
3750 ret = mutex_lock_interruptible(&dev_priv->binding_mutex);
3751 if (unlikely(ret != 0)) {
3752 ret = -ERESTARTSYS;
3753 goto out_err;
3754 }
3755
3756 if (dev_priv->has_mob) {
3757 ret = vmw_rebind_contexts(sw_context);
3758 if (unlikely(ret != 0))
3759 goto out_unlock_binding;
3760 }
3761
3762 if (!header) {
3763 ret = vmw_execbuf_submit_fifo(dev_priv, kernel_commands,
3764 command_size, sw_context);
3765 } else {
3766 ret = vmw_execbuf_submit_cmdbuf(dev_priv, header, command_size,
3767 sw_context);
3768 header = NULL;
3769 }
3770 mutex_unlock(&dev_priv->binding_mutex);
3771 if (ret)
3772 goto out_err;
3773
3774 vmw_query_bo_switch_commit(dev_priv, sw_context);
3775 ret = vmw_execbuf_fence_commands(file_priv, dev_priv, &fence,
3776 (user_fence_rep) ? &handle : NULL);
3777 /*
3778 * This error is harmless, because if fence submission fails,
3779 * vmw_fifo_send_fence will sync. The error will be propagated to
3780 * user-space in @fence_rep
3781 */
3782 if (ret != 0)
3783 VMW_DEBUG_USER("Fence submission error. Syncing.\n");
3784
3785 vmw_execbuf_bindings_commit(sw_context, false);
3786 vmw_bind_dx_query_mob(sw_context);
3787 vmw_validation_res_unreserve(&val_ctx, false);
3788
3789 vmw_validation_bo_fence(sw_context->ctx, fence);
3790
3791 if (unlikely(dev_priv->pinned_bo != NULL && !dev_priv->query_cid_valid))
3792 __vmw_execbuf_release_pinned_bo(dev_priv, fence);
3793
3794 /*
3795 * If anything fails here, give up trying to export the fence and do a
3796 * sync since the user mode will not be able to sync the fence itself.
3797 * This ensures we are still functionally correct.
3798 */
3799 if (flags & DRM_VMW_EXECBUF_FLAG_EXPORT_FENCE_FD) {
3800
3801 sync_file = sync_file_create(&fence->base);
3802 if (!sync_file) {
3803 VMW_DEBUG_USER("Sync file create failed for fence\n");
3804 put_unused_fd(out_fence_fd);
3805 out_fence_fd = -1;
3806
3807 (void) vmw_fence_obj_wait(fence, false, false,
3808 VMW_FENCE_WAIT_TIMEOUT);
3809 } else {
3810 /* Link the fence with the FD created earlier */
3811 fd_install(out_fence_fd, sync_file->file);
3812 }
3813 }
3814
3815 vmw_execbuf_copy_fence_user(dev_priv, vmw_fpriv(file_priv), ret,
3816 user_fence_rep, fence, handle, out_fence_fd,
3817 sync_file);
3818
3819 /* Don't unreference when handing fence out */
3820 if (unlikely(out_fence != NULL)) {
3821 *out_fence = fence;
3822 fence = NULL;
3823 } else if (likely(fence != NULL)) {
3824 vmw_fence_obj_unreference(&fence);
3825 }
3826
3827 vmw_cmdbuf_res_commit(&sw_context->staged_cmd_res);
3828 mutex_unlock(&dev_priv->cmdbuf_mutex);
3829
3830 /*
3831 * Unreference resources outside of the cmdbuf_mutex to avoid deadlocks
3832 * in resource destruction paths.
3833 */
3834 vmw_validation_unref_lists(&val_ctx);
3835
3836 return 0;
3837
3838out_unlock_binding:
3839 mutex_unlock(&dev_priv->binding_mutex);
3840out_err:
3841 vmw_validation_bo_backoff(&val_ctx);
3842out_err_nores:
3843 vmw_execbuf_bindings_commit(sw_context, true);
3844 vmw_validation_res_unreserve(&val_ctx, true);
3845 vmw_resource_relocations_free(&sw_context->res_relocations);
3846 vmw_free_relocations(sw_context);
3847 if (unlikely(dev_priv->pinned_bo != NULL && !dev_priv->query_cid_valid))
3848 __vmw_execbuf_release_pinned_bo(dev_priv, NULL);
3849out_unlock:
3850 vmw_cmdbuf_res_revert(&sw_context->staged_cmd_res);
3851 vmw_validation_drop_ht(&val_ctx);
3852 WARN_ON(!list_empty(&sw_context->ctx_list));
3853 mutex_unlock(&dev_priv->cmdbuf_mutex);
3854
3855 /*
3856 * Unreference resources outside of the cmdbuf_mutex to avoid deadlocks
3857 * in resource destruction paths.
3858 */
3859 vmw_validation_unref_lists(&val_ctx);
3860out_free_header:
3861 if (header)
3862 vmw_cmdbuf_header_free(header);
3863out_free_fence_fd:
3864 if (out_fence_fd >= 0)
3865 put_unused_fd(out_fence_fd);
3866
3867 return ret;
3868}
3869
3870/**
3871 * vmw_execbuf_unpin_panic - Idle the fifo and unpin the query buffer.
3872 *
3873 * @dev_priv: The device private structure.
3874 *
3875 * This function is called to idle the fifo and unpin the query buffer if the
3876 * normal way to do this hits an error, which should typically be extremely
3877 * rare.
3878 */
3879static void vmw_execbuf_unpin_panic(struct vmw_private *dev_priv)
3880{
3881 VMW_DEBUG_USER("Can't unpin query buffer. Trying to recover.\n");
3882
3883 (void) vmw_fallback_wait(dev_priv, false, true, 0, false, 10*HZ);
3884 vmw_bo_pin_reserved(dev_priv->pinned_bo, false);
3885 if (dev_priv->dummy_query_bo_pinned) {
3886 vmw_bo_pin_reserved(dev_priv->dummy_query_bo, false);
3887 dev_priv->dummy_query_bo_pinned = false;
3888 }
3889}
3890
3891
3892/**
3893 * __vmw_execbuf_release_pinned_bo - Flush queries and unpin the pinned query
3894 * bo.
3895 *
3896 * @dev_priv: The device private structure.
3897 * @fence: If non-NULL should point to a struct vmw_fence_obj issued _after_ a
3898 * query barrier that flushes all queries touching the current buffer pointed to
3899 * by @dev_priv->pinned_bo
3900 *
3901 * This function should be used to unpin the pinned query bo, or as a query
3902 * barrier when we need to make sure that all queries have finished before the
3903 * next fifo command. (For example on hardware context destructions where the
3904 * hardware may otherwise leak unfinished queries).
3905 *
3906 * This function does not return any failure codes, but make attempts to do safe
3907 * unpinning in case of errors.
3908 *
3909 * The function will synchronize on the previous query barrier, and will thus
3910 * not finish until that barrier has executed.
3911 *
3912 * the @dev_priv->cmdbuf_mutex needs to be held by the current thread before
3913 * calling this function.
3914 */
3915void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv,
3916 struct vmw_fence_obj *fence)
3917{
3918 int ret = 0;
3919 struct vmw_fence_obj *lfence = NULL;
3920 DECLARE_VAL_CONTEXT(val_ctx, NULL, 0);
3921
3922 if (dev_priv->pinned_bo == NULL)
3923 goto out_unlock;
3924
3925 ret = vmw_validation_add_bo(&val_ctx, dev_priv->pinned_bo, false,
3926 false);
3927 if (ret)
3928 goto out_no_reserve;
3929
3930 ret = vmw_validation_add_bo(&val_ctx, dev_priv->dummy_query_bo, false,
3931 false);
3932 if (ret)
3933 goto out_no_reserve;
3934
3935 ret = vmw_validation_bo_reserve(&val_ctx, false);
3936 if (ret)
3937 goto out_no_reserve;
3938
3939 if (dev_priv->query_cid_valid) {
3940 BUG_ON(fence != NULL);
3941 ret = vmw_fifo_emit_dummy_query(dev_priv, dev_priv->query_cid);
3942 if (ret)
3943 goto out_no_emit;
3944 dev_priv->query_cid_valid = false;
3945 }
3946
3947 vmw_bo_pin_reserved(dev_priv->pinned_bo, false);
3948 if (dev_priv->dummy_query_bo_pinned) {
3949 vmw_bo_pin_reserved(dev_priv->dummy_query_bo, false);
3950 dev_priv->dummy_query_bo_pinned = false;
3951 }
3952 if (fence == NULL) {
3953 (void) vmw_execbuf_fence_commands(NULL, dev_priv, &lfence,
3954 NULL);
3955 fence = lfence;
3956 }
3957 vmw_validation_bo_fence(&val_ctx, fence);
3958 if (lfence != NULL)
3959 vmw_fence_obj_unreference(&lfence);
3960
3961 vmw_validation_unref_lists(&val_ctx);
3962 vmw_bo_unreference(&dev_priv->pinned_bo);
3963
3964out_unlock:
3965 return;
3966out_no_emit:
3967 vmw_validation_bo_backoff(&val_ctx);
3968out_no_reserve:
3969 vmw_validation_unref_lists(&val_ctx);
3970 vmw_execbuf_unpin_panic(dev_priv);
3971 vmw_bo_unreference(&dev_priv->pinned_bo);
3972}
3973
3974/**
3975 * vmw_execbuf_release_pinned_bo - Flush queries and unpin the pinned query bo.
3976 *
3977 * @dev_priv: The device private structure.
3978 *
3979 * This function should be used to unpin the pinned query bo, or as a query
3980 * barrier when we need to make sure that all queries have finished before the
3981 * next fifo command. (For example on hardware context destructions where the
3982 * hardware may otherwise leak unfinished queries).
3983 *
3984 * This function does not return any failure codes, but make attempts to do safe
3985 * unpinning in case of errors.
3986 *
3987 * The function will synchronize on the previous query barrier, and will thus
3988 * not finish until that barrier has executed.
3989 */
3990void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv)
3991{
3992 mutex_lock(&dev_priv->cmdbuf_mutex);
3993 if (dev_priv->query_cid_valid)
3994 __vmw_execbuf_release_pinned_bo(dev_priv, NULL);
3995 mutex_unlock(&dev_priv->cmdbuf_mutex);
3996}
3997
3998int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
3999 struct drm_file *file_priv)
4000{
4001 struct vmw_private *dev_priv = vmw_priv(dev);
4002 struct drm_vmw_execbuf_arg *arg = data;
4003 int ret;
4004 struct dma_fence *in_fence = NULL;
4005
4006 /*
4007 * Extend the ioctl argument while maintaining backwards compatibility:
4008 * We take different code paths depending on the value of arg->version.
4009 *
4010 * Note: The ioctl argument is extended and zeropadded by core DRM.
4011 */
4012 if (unlikely(arg->version > DRM_VMW_EXECBUF_VERSION ||
4013 arg->version == 0)) {
4014 VMW_DEBUG_USER("Incorrect execbuf version.\n");
4015 return -EINVAL;
4016 }
4017
4018 switch (arg->version) {
4019 case 1:
4020 /* For v1 core DRM have extended + zeropadded the data */
4021 arg->context_handle = (uint32_t) -1;
4022 break;
4023 case 2:
4024 default:
4025 /* For v2 and later core DRM would have correctly copied it */
4026 break;
4027 }
4028
4029 /* If imported a fence FD from elsewhere, then wait on it */
4030 if (arg->flags & DRM_VMW_EXECBUF_FLAG_IMPORT_FENCE_FD) {
4031 in_fence = sync_file_get_fence(arg->imported_fence_fd);
4032
4033 if (!in_fence) {
4034 VMW_DEBUG_USER("Cannot get imported fence\n");
4035 return -EINVAL;
4036 }
4037
4038 ret = vmw_wait_dma_fence(dev_priv->fman, in_fence);
4039 if (ret)
4040 goto out;
4041 }
4042
4043 ret = ttm_read_lock(&dev_priv->reservation_sem, true);
4044 if (unlikely(ret != 0))
4045 return ret;
4046
4047 ret = vmw_execbuf_process(file_priv, dev_priv,
4048 (void __user *)(unsigned long)arg->commands,
4049 NULL, arg->command_size, arg->throttle_us,
4050 arg->context_handle,
4051 (void __user *)(unsigned long)arg->fence_rep,
4052 NULL, arg->flags);
4053
4054 ttm_read_unlock(&dev_priv->reservation_sem);
4055 if (unlikely(ret != 0))
4056 goto out;
4057
4058 vmw_kms_cursor_post_execbuf(dev_priv);
4059
4060out:
4061 if (in_fence)
4062 dma_fence_put(in_fence);
4063 return ret;
4064}
1// SPDX-License-Identifier: GPL-2.0 OR MIT
2/**************************************************************************
3 *
4 * Copyright 2009 - 2023 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 "vmwgfx_binding.h"
28#include "vmwgfx_bo.h"
29#include "vmwgfx_drv.h"
30#include "vmwgfx_mksstat.h"
31#include "vmwgfx_so.h"
32
33#include <drm/ttm/ttm_bo.h>
34#include <drm/ttm/ttm_placement.h>
35
36#include <linux/sync_file.h>
37#include <linux/hashtable.h>
38#include <linux/vmalloc.h>
39
40/*
41 * Helper macro to get dx_ctx_node if available otherwise print an error
42 * message. This is for use in command verifier function where if dx_ctx_node
43 * is not set then command is invalid.
44 */
45#define VMW_GET_CTX_NODE(__sw_context) \
46({ \
47 __sw_context->dx_ctx_node ? __sw_context->dx_ctx_node : ({ \
48 VMW_DEBUG_USER("SM context is not set at %s\n", __func__); \
49 __sw_context->dx_ctx_node; \
50 }); \
51})
52
53#define VMW_DECLARE_CMD_VAR(__var, __type) \
54 struct { \
55 SVGA3dCmdHeader header; \
56 __type body; \
57 } __var
58
59/**
60 * struct vmw_relocation - Buffer object relocation
61 *
62 * @head: List head for the command submission context's relocation list
63 * @vbo: Non ref-counted pointer to buffer object
64 * @mob_loc: Pointer to location for mob id to be modified
65 * @location: Pointer to location for guest pointer to be modified
66 */
67struct vmw_relocation {
68 struct list_head head;
69 struct vmw_bo *vbo;
70 union {
71 SVGAMobId *mob_loc;
72 SVGAGuestPtr *location;
73 };
74};
75
76/**
77 * enum vmw_resource_relocation_type - Relocation type for resources
78 *
79 * @vmw_res_rel_normal: Traditional relocation. The resource id in the
80 * command stream is replaced with the actual id after validation.
81 * @vmw_res_rel_nop: NOP relocation. The command is unconditionally replaced
82 * with a NOP.
83 * @vmw_res_rel_cond_nop: Conditional NOP relocation. If the resource id after
84 * validation is -1, the command is replaced with a NOP. Otherwise no action.
85 * @vmw_res_rel_max: Last value in the enum - used for error checking
86*/
87enum vmw_resource_relocation_type {
88 vmw_res_rel_normal,
89 vmw_res_rel_nop,
90 vmw_res_rel_cond_nop,
91 vmw_res_rel_max
92};
93
94/**
95 * struct vmw_resource_relocation - Relocation info for resources
96 *
97 * @head: List head for the software context's relocation list.
98 * @res: Non-ref-counted pointer to the resource.
99 * @offset: Offset of single byte entries into the command buffer where the id
100 * that needs fixup is located.
101 * @rel_type: Type of relocation.
102 */
103struct vmw_resource_relocation {
104 struct list_head head;
105 const struct vmw_resource *res;
106 u32 offset:29;
107 enum vmw_resource_relocation_type rel_type:3;
108};
109
110/**
111 * struct vmw_ctx_validation_info - Extra validation metadata for contexts
112 *
113 * @head: List head of context list
114 * @ctx: The context resource
115 * @cur: The context's persistent binding state
116 * @staged: The binding state changes of this command buffer
117 */
118struct vmw_ctx_validation_info {
119 struct list_head head;
120 struct vmw_resource *ctx;
121 struct vmw_ctx_binding_state *cur;
122 struct vmw_ctx_binding_state *staged;
123};
124
125/**
126 * struct vmw_cmd_entry - Describe a command for the verifier
127 *
128 * @func: Call-back to handle the command.
129 * @user_allow: Whether allowed from the execbuf ioctl.
130 * @gb_disable: Whether disabled if guest-backed objects are available.
131 * @gb_enable: Whether enabled iff guest-backed objects are available.
132 * @cmd_name: Name of the command.
133 */
134struct vmw_cmd_entry {
135 int (*func) (struct vmw_private *, struct vmw_sw_context *,
136 SVGA3dCmdHeader *);
137 bool user_allow;
138 bool gb_disable;
139 bool gb_enable;
140 const char *cmd_name;
141};
142
143#define VMW_CMD_DEF(_cmd, _func, _user_allow, _gb_disable, _gb_enable) \
144 [(_cmd) - SVGA_3D_CMD_BASE] = {(_func), (_user_allow),\
145 (_gb_disable), (_gb_enable), #_cmd}
146
147static int vmw_resource_context_res_add(struct vmw_private *dev_priv,
148 struct vmw_sw_context *sw_context,
149 struct vmw_resource *ctx);
150static int vmw_translate_mob_ptr(struct vmw_private *dev_priv,
151 struct vmw_sw_context *sw_context,
152 SVGAMobId *id,
153 struct vmw_bo **vmw_bo_p);
154/**
155 * vmw_ptr_diff - Compute the offset from a to b in bytes
156 *
157 * @a: A starting pointer.
158 * @b: A pointer offset in the same address space.
159 *
160 * Returns: The offset in bytes between the two pointers.
161 */
162static size_t vmw_ptr_diff(void *a, void *b)
163{
164 return (unsigned long) b - (unsigned long) a;
165}
166
167/**
168 * vmw_execbuf_bindings_commit - Commit modified binding state
169 *
170 * @sw_context: The command submission context
171 * @backoff: Whether this is part of the error path and binding state changes
172 * should be ignored
173 */
174static void vmw_execbuf_bindings_commit(struct vmw_sw_context *sw_context,
175 bool backoff)
176{
177 struct vmw_ctx_validation_info *entry;
178
179 list_for_each_entry(entry, &sw_context->ctx_list, head) {
180 if (!backoff)
181 vmw_binding_state_commit(entry->cur, entry->staged);
182
183 if (entry->staged != sw_context->staged_bindings)
184 vmw_binding_state_free(entry->staged);
185 else
186 sw_context->staged_bindings_inuse = false;
187 }
188
189 /* List entries are freed with the validation context */
190 INIT_LIST_HEAD(&sw_context->ctx_list);
191}
192
193/**
194 * vmw_bind_dx_query_mob - Bind the DX query MOB if referenced
195 *
196 * @sw_context: The command submission context
197 */
198static void vmw_bind_dx_query_mob(struct vmw_sw_context *sw_context)
199{
200 if (sw_context->dx_query_mob)
201 vmw_context_bind_dx_query(sw_context->dx_query_ctx,
202 sw_context->dx_query_mob);
203}
204
205/**
206 * vmw_cmd_ctx_first_setup - Perform the setup needed when a context is added to
207 * the validate list.
208 *
209 * @dev_priv: Pointer to the device private:
210 * @sw_context: The command submission context
211 * @res: Pointer to the resource
212 * @node: The validation node holding the context resource metadata
213 */
214static int vmw_cmd_ctx_first_setup(struct vmw_private *dev_priv,
215 struct vmw_sw_context *sw_context,
216 struct vmw_resource *res,
217 struct vmw_ctx_validation_info *node)
218{
219 int ret;
220
221 ret = vmw_resource_context_res_add(dev_priv, sw_context, res);
222 if (unlikely(ret != 0))
223 goto out_err;
224
225 if (!sw_context->staged_bindings) {
226 sw_context->staged_bindings = vmw_binding_state_alloc(dev_priv);
227 if (IS_ERR(sw_context->staged_bindings)) {
228 ret = PTR_ERR(sw_context->staged_bindings);
229 sw_context->staged_bindings = NULL;
230 goto out_err;
231 }
232 }
233
234 if (sw_context->staged_bindings_inuse) {
235 node->staged = vmw_binding_state_alloc(dev_priv);
236 if (IS_ERR(node->staged)) {
237 ret = PTR_ERR(node->staged);
238 node->staged = NULL;
239 goto out_err;
240 }
241 } else {
242 node->staged = sw_context->staged_bindings;
243 sw_context->staged_bindings_inuse = true;
244 }
245
246 node->ctx = res;
247 node->cur = vmw_context_binding_state(res);
248 list_add_tail(&node->head, &sw_context->ctx_list);
249
250 return 0;
251
252out_err:
253 return ret;
254}
255
256/**
257 * vmw_execbuf_res_size - calculate extra size fore the resource validation node
258 *
259 * @dev_priv: Pointer to the device private struct.
260 * @res_type: The resource type.
261 *
262 * Guest-backed contexts and DX contexts require extra size to store execbuf
263 * private information in the validation node. Typically the binding manager
264 * associated data structures.
265 *
266 * Returns: The extra size requirement based on resource type.
267 */
268static unsigned int vmw_execbuf_res_size(struct vmw_private *dev_priv,
269 enum vmw_res_type res_type)
270{
271 return (res_type == vmw_res_dx_context ||
272 (res_type == vmw_res_context && dev_priv->has_mob)) ?
273 sizeof(struct vmw_ctx_validation_info) : 0;
274}
275
276/**
277 * vmw_execbuf_rcache_update - Update a resource-node cache entry
278 *
279 * @rcache: Pointer to the entry to update.
280 * @res: Pointer to the resource.
281 * @private: Pointer to the execbuf-private space in the resource validation
282 * node.
283 */
284static void vmw_execbuf_rcache_update(struct vmw_res_cache_entry *rcache,
285 struct vmw_resource *res,
286 void *private)
287{
288 rcache->res = res;
289 rcache->private = private;
290 rcache->valid = 1;
291 rcache->valid_handle = 0;
292}
293
294enum vmw_val_add_flags {
295 vmw_val_add_flag_none = 0,
296 vmw_val_add_flag_noctx = 1 << 0,
297};
298
299/**
300 * vmw_execbuf_res_val_add - Add a resource to the validation list.
301 *
302 * @sw_context: Pointer to the software context.
303 * @res: Unreferenced rcu-protected pointer to the resource.
304 * @dirty: Whether to change dirty status.
305 * @flags: specifies whether to use the context or not
306 *
307 * Returns: 0 on success. Negative error code on failure. Typical error codes
308 * are %-EINVAL on inconsistency and %-ESRCH if the resource was doomed.
309 */
310static int vmw_execbuf_res_val_add(struct vmw_sw_context *sw_context,
311 struct vmw_resource *res,
312 u32 dirty,
313 u32 flags)
314{
315 struct vmw_private *dev_priv = res->dev_priv;
316 int ret;
317 enum vmw_res_type res_type = vmw_res_type(res);
318 struct vmw_res_cache_entry *rcache;
319 struct vmw_ctx_validation_info *ctx_info;
320 bool first_usage;
321 unsigned int priv_size;
322
323 rcache = &sw_context->res_cache[res_type];
324 if (likely(rcache->valid && rcache->res == res)) {
325 if (dirty)
326 vmw_validation_res_set_dirty(sw_context->ctx,
327 rcache->private, dirty);
328 return 0;
329 }
330
331 if ((flags & vmw_val_add_flag_noctx) != 0) {
332 ret = vmw_validation_add_resource(sw_context->ctx, res, 0, dirty,
333 (void **)&ctx_info, NULL);
334 if (ret)
335 return ret;
336
337 } else {
338 priv_size = vmw_execbuf_res_size(dev_priv, res_type);
339 ret = vmw_validation_add_resource(sw_context->ctx, res, priv_size,
340 dirty, (void **)&ctx_info,
341 &first_usage);
342 if (ret)
343 return ret;
344
345 if (priv_size && first_usage) {
346 ret = vmw_cmd_ctx_first_setup(dev_priv, sw_context, res,
347 ctx_info);
348 if (ret) {
349 VMW_DEBUG_USER("Failed first usage context setup.\n");
350 return ret;
351 }
352 }
353 }
354
355 vmw_execbuf_rcache_update(rcache, res, ctx_info);
356 return 0;
357}
358
359/**
360 * vmw_view_res_val_add - Add a view and the surface it's pointing to to the
361 * validation list
362 *
363 * @sw_context: The software context holding the validation list.
364 * @view: Pointer to the view resource.
365 *
366 * Returns 0 if success, negative error code otherwise.
367 */
368static int vmw_view_res_val_add(struct vmw_sw_context *sw_context,
369 struct vmw_resource *view)
370{
371 int ret;
372
373 /*
374 * First add the resource the view is pointing to, otherwise it may be
375 * swapped out when the view is validated.
376 */
377 ret = vmw_execbuf_res_val_add(sw_context, vmw_view_srf(view),
378 vmw_view_dirtying(view), vmw_val_add_flag_noctx);
379 if (ret)
380 return ret;
381
382 return vmw_execbuf_res_val_add(sw_context, view, VMW_RES_DIRTY_NONE,
383 vmw_val_add_flag_noctx);
384}
385
386/**
387 * vmw_view_id_val_add - Look up a view and add it and the surface it's pointing
388 * to to the validation list.
389 *
390 * @sw_context: The software context holding the validation list.
391 * @view_type: The view type to look up.
392 * @id: view id of the view.
393 *
394 * The view is represented by a view id and the DX context it's created on, or
395 * scheduled for creation on. If there is no DX context set, the function will
396 * return an -EINVAL error pointer.
397 *
398 * Returns: Unreferenced pointer to the resource on success, negative error
399 * pointer on failure.
400 */
401static struct vmw_resource *
402vmw_view_id_val_add(struct vmw_sw_context *sw_context,
403 enum vmw_view_type view_type, u32 id)
404{
405 struct vmw_ctx_validation_info *ctx_node = sw_context->dx_ctx_node;
406 struct vmw_resource *view;
407 int ret;
408
409 if (!ctx_node)
410 return ERR_PTR(-EINVAL);
411
412 view = vmw_view_lookup(sw_context->man, view_type, id);
413 if (IS_ERR(view))
414 return view;
415
416 ret = vmw_view_res_val_add(sw_context, view);
417 if (ret)
418 return ERR_PTR(ret);
419
420 return view;
421}
422
423/**
424 * vmw_resource_context_res_add - Put resources previously bound to a context on
425 * the validation list
426 *
427 * @dev_priv: Pointer to a device private structure
428 * @sw_context: Pointer to a software context used for this command submission
429 * @ctx: Pointer to the context resource
430 *
431 * This function puts all resources that were previously bound to @ctx on the
432 * resource validation list. This is part of the context state reemission
433 */
434static int vmw_resource_context_res_add(struct vmw_private *dev_priv,
435 struct vmw_sw_context *sw_context,
436 struct vmw_resource *ctx)
437{
438 struct list_head *binding_list;
439 struct vmw_ctx_bindinfo *entry;
440 int ret = 0;
441 struct vmw_resource *res;
442 u32 i;
443 u32 cotable_max = has_sm5_context(ctx->dev_priv) ?
444 SVGA_COTABLE_MAX : SVGA_COTABLE_DX10_MAX;
445
446 /* Add all cotables to the validation list. */
447 if (has_sm4_context(dev_priv) &&
448 vmw_res_type(ctx) == vmw_res_dx_context) {
449 for (i = 0; i < cotable_max; ++i) {
450 res = vmw_context_cotable(ctx, i);
451 if (IS_ERR_OR_NULL(res))
452 continue;
453
454 ret = vmw_execbuf_res_val_add(sw_context, res,
455 VMW_RES_DIRTY_SET,
456 vmw_val_add_flag_noctx);
457 if (unlikely(ret != 0))
458 return ret;
459 }
460 }
461
462 /* Add all resources bound to the context to the validation list */
463 mutex_lock(&dev_priv->binding_mutex);
464 binding_list = vmw_context_binding_list(ctx);
465
466 list_for_each_entry(entry, binding_list, ctx_list) {
467 if (vmw_res_type(entry->res) == vmw_res_view)
468 ret = vmw_view_res_val_add(sw_context, entry->res);
469 else
470 ret = vmw_execbuf_res_val_add(sw_context, entry->res,
471 vmw_binding_dirtying(entry->bt),
472 vmw_val_add_flag_noctx);
473 if (unlikely(ret != 0))
474 break;
475 }
476
477 if (has_sm4_context(dev_priv) &&
478 vmw_res_type(ctx) == vmw_res_dx_context) {
479 struct vmw_bo *dx_query_mob;
480
481 dx_query_mob = vmw_context_get_dx_query_mob(ctx);
482 if (dx_query_mob) {
483 vmw_bo_placement_set(dx_query_mob,
484 VMW_BO_DOMAIN_MOB,
485 VMW_BO_DOMAIN_MOB);
486 ret = vmw_validation_add_bo(sw_context->ctx,
487 dx_query_mob);
488 }
489 }
490
491 mutex_unlock(&dev_priv->binding_mutex);
492 return ret;
493}
494
495/**
496 * vmw_resource_relocation_add - Add a relocation to the relocation list
497 *
498 * @sw_context: Pointer to the software context.
499 * @res: The resource.
500 * @offset: Offset into the command buffer currently being parsed where the id
501 * that needs fixup is located. Granularity is one byte.
502 * @rel_type: Relocation type.
503 */
504static int vmw_resource_relocation_add(struct vmw_sw_context *sw_context,
505 const struct vmw_resource *res,
506 unsigned long offset,
507 enum vmw_resource_relocation_type
508 rel_type)
509{
510 struct vmw_resource_relocation *rel;
511
512 rel = vmw_validation_mem_alloc(sw_context->ctx, sizeof(*rel));
513 if (unlikely(!rel)) {
514 VMW_DEBUG_USER("Failed to allocate a resource relocation.\n");
515 return -ENOMEM;
516 }
517
518 rel->res = res;
519 rel->offset = offset;
520 rel->rel_type = rel_type;
521 list_add_tail(&rel->head, &sw_context->res_relocations);
522
523 return 0;
524}
525
526/**
527 * vmw_resource_relocations_free - Free all relocations on a list
528 *
529 * @list: Pointer to the head of the relocation list
530 */
531static void vmw_resource_relocations_free(struct list_head *list)
532{
533 /* Memory is validation context memory, so no need to free it */
534 INIT_LIST_HEAD(list);
535}
536
537/**
538 * vmw_resource_relocations_apply - Apply all relocations on a list
539 *
540 * @cb: Pointer to the start of the command buffer bein patch. This need not be
541 * the same buffer as the one being parsed when the relocation list was built,
542 * but the contents must be the same modulo the resource ids.
543 * @list: Pointer to the head of the relocation list.
544 */
545static void vmw_resource_relocations_apply(uint32_t *cb,
546 struct list_head *list)
547{
548 struct vmw_resource_relocation *rel;
549
550 /* Validate the struct vmw_resource_relocation member size */
551 BUILD_BUG_ON(SVGA_CB_MAX_SIZE >= (1 << 29));
552 BUILD_BUG_ON(vmw_res_rel_max >= (1 << 3));
553
554 list_for_each_entry(rel, list, head) {
555 u32 *addr = (u32 *)((unsigned long) cb + rel->offset);
556 switch (rel->rel_type) {
557 case vmw_res_rel_normal:
558 *addr = rel->res->id;
559 break;
560 case vmw_res_rel_nop:
561 *addr = SVGA_3D_CMD_NOP;
562 break;
563 default:
564 if (rel->res->id == -1)
565 *addr = SVGA_3D_CMD_NOP;
566 break;
567 }
568 }
569}
570
571static int vmw_cmd_invalid(struct vmw_private *dev_priv,
572 struct vmw_sw_context *sw_context,
573 SVGA3dCmdHeader *header)
574{
575 return -EINVAL;
576}
577
578static int vmw_cmd_ok(struct vmw_private *dev_priv,
579 struct vmw_sw_context *sw_context,
580 SVGA3dCmdHeader *header)
581{
582 return 0;
583}
584
585/**
586 * vmw_resources_reserve - Reserve all resources on the sw_context's resource
587 * list.
588 *
589 * @sw_context: Pointer to the software context.
590 *
591 * Note that since vmware's command submission currently is protected by the
592 * cmdbuf mutex, no fancy deadlock avoidance is required for resources, since
593 * only a single thread at once will attempt this.
594 */
595static int vmw_resources_reserve(struct vmw_sw_context *sw_context)
596{
597 int ret;
598
599 ret = vmw_validation_res_reserve(sw_context->ctx, true);
600 if (ret)
601 return ret;
602
603 if (sw_context->dx_query_mob) {
604 struct vmw_bo *expected_dx_query_mob;
605
606 expected_dx_query_mob =
607 vmw_context_get_dx_query_mob(sw_context->dx_query_ctx);
608 if (expected_dx_query_mob &&
609 expected_dx_query_mob != sw_context->dx_query_mob) {
610 ret = -EINVAL;
611 }
612 }
613
614 return ret;
615}
616
617/**
618 * vmw_cmd_res_check - Check that a resource is present and if so, put it on the
619 * resource validate list unless it's already there.
620 *
621 * @dev_priv: Pointer to a device private structure.
622 * @sw_context: Pointer to the software context.
623 * @res_type: Resource type.
624 * @dirty: Whether to change dirty status.
625 * @converter: User-space visible type specific information.
626 * @id_loc: Pointer to the location in the command buffer currently being parsed
627 * from where the user-space resource id handle is located.
628 * @p_res: Pointer to pointer to resource validation node. Populated on
629 * exit.
630 */
631static int
632vmw_cmd_res_check(struct vmw_private *dev_priv,
633 struct vmw_sw_context *sw_context,
634 enum vmw_res_type res_type,
635 u32 dirty,
636 const struct vmw_user_resource_conv *converter,
637 uint32_t *id_loc,
638 struct vmw_resource **p_res)
639{
640 struct vmw_res_cache_entry *rcache = &sw_context->res_cache[res_type];
641 struct vmw_resource *res;
642 int ret = 0;
643 bool needs_unref = false;
644
645 if (p_res)
646 *p_res = NULL;
647
648 if (*id_loc == SVGA3D_INVALID_ID) {
649 if (res_type == vmw_res_context) {
650 VMW_DEBUG_USER("Illegal context invalid id.\n");
651 return -EINVAL;
652 }
653 return 0;
654 }
655
656 if (likely(rcache->valid_handle && *id_loc == rcache->handle)) {
657 res = rcache->res;
658 if (dirty)
659 vmw_validation_res_set_dirty(sw_context->ctx,
660 rcache->private, dirty);
661 } else {
662 unsigned int size = vmw_execbuf_res_size(dev_priv, res_type);
663
664 ret = vmw_validation_preload_res(sw_context->ctx, size);
665 if (ret)
666 return ret;
667
668 ret = vmw_user_resource_lookup_handle
669 (dev_priv, sw_context->fp->tfile, *id_loc, converter, &res);
670 if (ret != 0) {
671 VMW_DEBUG_USER("Could not find/use resource 0x%08x.\n",
672 (unsigned int) *id_loc);
673 return ret;
674 }
675 needs_unref = true;
676
677 ret = vmw_execbuf_res_val_add(sw_context, res, dirty, vmw_val_add_flag_none);
678 if (unlikely(ret != 0))
679 goto res_check_done;
680
681 if (rcache->valid && rcache->res == res) {
682 rcache->valid_handle = true;
683 rcache->handle = *id_loc;
684 }
685 }
686
687 ret = vmw_resource_relocation_add(sw_context, res,
688 vmw_ptr_diff(sw_context->buf_start,
689 id_loc),
690 vmw_res_rel_normal);
691 if (p_res)
692 *p_res = res;
693
694res_check_done:
695 if (needs_unref)
696 vmw_resource_unreference(&res);
697
698 return ret;
699}
700
701/**
702 * vmw_rebind_all_dx_query - Rebind DX query associated with the context
703 *
704 * @ctx_res: context the query belongs to
705 *
706 * This function assumes binding_mutex is held.
707 */
708static int vmw_rebind_all_dx_query(struct vmw_resource *ctx_res)
709{
710 struct vmw_private *dev_priv = ctx_res->dev_priv;
711 struct vmw_bo *dx_query_mob;
712 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXBindAllQuery);
713
714 dx_query_mob = vmw_context_get_dx_query_mob(ctx_res);
715
716 if (!dx_query_mob || dx_query_mob->dx_query_ctx)
717 return 0;
718
719 cmd = VMW_CMD_CTX_RESERVE(dev_priv, sizeof(*cmd), ctx_res->id);
720 if (cmd == NULL)
721 return -ENOMEM;
722
723 cmd->header.id = SVGA_3D_CMD_DX_BIND_ALL_QUERY;
724 cmd->header.size = sizeof(cmd->body);
725 cmd->body.cid = ctx_res->id;
726 cmd->body.mobid = dx_query_mob->tbo.resource->start;
727 vmw_cmd_commit(dev_priv, sizeof(*cmd));
728
729 vmw_context_bind_dx_query(ctx_res, dx_query_mob);
730
731 return 0;
732}
733
734/**
735 * vmw_rebind_contexts - Rebind all resources previously bound to referenced
736 * contexts.
737 *
738 * @sw_context: Pointer to the software context.
739 *
740 * Rebind context binding points that have been scrubbed because of eviction.
741 */
742static int vmw_rebind_contexts(struct vmw_sw_context *sw_context)
743{
744 struct vmw_ctx_validation_info *val;
745 int ret;
746
747 list_for_each_entry(val, &sw_context->ctx_list, head) {
748 ret = vmw_binding_rebind_all(val->cur);
749 if (unlikely(ret != 0)) {
750 if (ret != -ERESTARTSYS)
751 VMW_DEBUG_USER("Failed to rebind context.\n");
752 return ret;
753 }
754
755 ret = vmw_rebind_all_dx_query(val->ctx);
756 if (ret != 0) {
757 VMW_DEBUG_USER("Failed to rebind queries.\n");
758 return ret;
759 }
760 }
761
762 return 0;
763}
764
765/**
766 * vmw_view_bindings_add - Add an array of view bindings to a context binding
767 * state tracker.
768 *
769 * @sw_context: The execbuf state used for this command.
770 * @view_type: View type for the bindings.
771 * @binding_type: Binding type for the bindings.
772 * @shader_slot: The shader slot to user for the bindings.
773 * @view_ids: Array of view ids to be bound.
774 * @num_views: Number of view ids in @view_ids.
775 * @first_slot: The binding slot to be used for the first view id in @view_ids.
776 */
777static int vmw_view_bindings_add(struct vmw_sw_context *sw_context,
778 enum vmw_view_type view_type,
779 enum vmw_ctx_binding_type binding_type,
780 uint32 shader_slot,
781 uint32 view_ids[], u32 num_views,
782 u32 first_slot)
783{
784 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
785 u32 i;
786
787 if (!ctx_node)
788 return -EINVAL;
789
790 for (i = 0; i < num_views; ++i) {
791 struct vmw_ctx_bindinfo_view binding;
792 struct vmw_resource *view = NULL;
793
794 if (view_ids[i] != SVGA3D_INVALID_ID) {
795 view = vmw_view_id_val_add(sw_context, view_type,
796 view_ids[i]);
797 if (IS_ERR(view)) {
798 VMW_DEBUG_USER("View not found.\n");
799 return PTR_ERR(view);
800 }
801 }
802 binding.bi.ctx = ctx_node->ctx;
803 binding.bi.res = view;
804 binding.bi.bt = binding_type;
805 binding.shader_slot = shader_slot;
806 binding.slot = first_slot + i;
807 vmw_binding_add(ctx_node->staged, &binding.bi,
808 shader_slot, binding.slot);
809 }
810
811 return 0;
812}
813
814/**
815 * vmw_cmd_cid_check - Check a command header for valid context information.
816 *
817 * @dev_priv: Pointer to a device private structure.
818 * @sw_context: Pointer to the software context.
819 * @header: A command header with an embedded user-space context handle.
820 *
821 * Convenience function: Call vmw_cmd_res_check with the user-space context
822 * handle embedded in @header.
823 */
824static int vmw_cmd_cid_check(struct vmw_private *dev_priv,
825 struct vmw_sw_context *sw_context,
826 SVGA3dCmdHeader *header)
827{
828 VMW_DECLARE_CMD_VAR(*cmd, uint32_t) =
829 container_of(header, typeof(*cmd), header);
830
831 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
832 VMW_RES_DIRTY_SET, user_context_converter,
833 &cmd->body, NULL);
834}
835
836/**
837 * vmw_execbuf_info_from_res - Get the private validation metadata for a
838 * recently validated resource
839 *
840 * @sw_context: Pointer to the command submission context
841 * @res: The resource
842 *
843 * The resource pointed to by @res needs to be present in the command submission
844 * context's resource cache and hence the last resource of that type to be
845 * processed by the validation code.
846 *
847 * Return: a pointer to the private metadata of the resource, or NULL if it
848 * wasn't found
849 */
850static struct vmw_ctx_validation_info *
851vmw_execbuf_info_from_res(struct vmw_sw_context *sw_context,
852 struct vmw_resource *res)
853{
854 struct vmw_res_cache_entry *rcache =
855 &sw_context->res_cache[vmw_res_type(res)];
856
857 if (rcache->valid && rcache->res == res)
858 return rcache->private;
859
860 WARN_ON_ONCE(true);
861 return NULL;
862}
863
864static int vmw_cmd_set_render_target_check(struct vmw_private *dev_priv,
865 struct vmw_sw_context *sw_context,
866 SVGA3dCmdHeader *header)
867{
868 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdSetRenderTarget);
869 struct vmw_resource *ctx;
870 struct vmw_resource *res;
871 int ret;
872
873 cmd = container_of(header, typeof(*cmd), header);
874
875 if (cmd->body.type >= SVGA3D_RT_MAX) {
876 VMW_DEBUG_USER("Illegal render target type %u.\n",
877 (unsigned int) cmd->body.type);
878 return -EINVAL;
879 }
880
881 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
882 VMW_RES_DIRTY_SET, user_context_converter,
883 &cmd->body.cid, &ctx);
884 if (unlikely(ret != 0))
885 return ret;
886
887 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
888 VMW_RES_DIRTY_SET, user_surface_converter,
889 &cmd->body.target.sid, &res);
890 if (unlikely(ret))
891 return ret;
892
893 if (dev_priv->has_mob) {
894 struct vmw_ctx_bindinfo_view binding;
895 struct vmw_ctx_validation_info *node;
896
897 node = vmw_execbuf_info_from_res(sw_context, ctx);
898 if (!node)
899 return -EINVAL;
900
901 binding.bi.ctx = ctx;
902 binding.bi.res = res;
903 binding.bi.bt = vmw_ctx_binding_rt;
904 binding.slot = cmd->body.type;
905 vmw_binding_add(node->staged, &binding.bi, 0, binding.slot);
906 }
907
908 return 0;
909}
910
911static int vmw_cmd_surface_copy_check(struct vmw_private *dev_priv,
912 struct vmw_sw_context *sw_context,
913 SVGA3dCmdHeader *header)
914{
915 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdSurfaceCopy);
916 int ret;
917
918 cmd = container_of(header, typeof(*cmd), header);
919
920 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
921 VMW_RES_DIRTY_NONE, user_surface_converter,
922 &cmd->body.src.sid, NULL);
923 if (ret)
924 return ret;
925
926 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
927 VMW_RES_DIRTY_SET, user_surface_converter,
928 &cmd->body.dest.sid, NULL);
929}
930
931static int vmw_cmd_buffer_copy_check(struct vmw_private *dev_priv,
932 struct vmw_sw_context *sw_context,
933 SVGA3dCmdHeader *header)
934{
935 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXBufferCopy);
936 int ret;
937
938 cmd = container_of(header, typeof(*cmd), header);
939 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
940 VMW_RES_DIRTY_NONE, user_surface_converter,
941 &cmd->body.src, NULL);
942 if (ret != 0)
943 return ret;
944
945 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
946 VMW_RES_DIRTY_SET, user_surface_converter,
947 &cmd->body.dest, NULL);
948}
949
950static int vmw_cmd_pred_copy_check(struct vmw_private *dev_priv,
951 struct vmw_sw_context *sw_context,
952 SVGA3dCmdHeader *header)
953{
954 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXPredCopyRegion);
955 int ret;
956
957 cmd = container_of(header, typeof(*cmd), header);
958 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
959 VMW_RES_DIRTY_NONE, user_surface_converter,
960 &cmd->body.srcSid, NULL);
961 if (ret != 0)
962 return ret;
963
964 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
965 VMW_RES_DIRTY_SET, user_surface_converter,
966 &cmd->body.dstSid, NULL);
967}
968
969static int vmw_cmd_stretch_blt_check(struct vmw_private *dev_priv,
970 struct vmw_sw_context *sw_context,
971 SVGA3dCmdHeader *header)
972{
973 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdSurfaceStretchBlt);
974 int ret;
975
976 cmd = container_of(header, typeof(*cmd), header);
977 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
978 VMW_RES_DIRTY_NONE, user_surface_converter,
979 &cmd->body.src.sid, NULL);
980 if (unlikely(ret != 0))
981 return ret;
982
983 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
984 VMW_RES_DIRTY_SET, user_surface_converter,
985 &cmd->body.dest.sid, NULL);
986}
987
988static int vmw_cmd_blt_surf_screen_check(struct vmw_private *dev_priv,
989 struct vmw_sw_context *sw_context,
990 SVGA3dCmdHeader *header)
991{
992 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdBlitSurfaceToScreen) =
993 container_of(header, typeof(*cmd), header);
994
995 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
996 VMW_RES_DIRTY_NONE, user_surface_converter,
997 &cmd->body.srcImage.sid, NULL);
998}
999
1000static int vmw_cmd_present_check(struct vmw_private *dev_priv,
1001 struct vmw_sw_context *sw_context,
1002 SVGA3dCmdHeader *header)
1003{
1004 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdPresent) =
1005 container_of(header, typeof(*cmd), header);
1006
1007 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1008 VMW_RES_DIRTY_NONE, user_surface_converter,
1009 &cmd->body.sid, NULL);
1010}
1011
1012/**
1013 * vmw_query_bo_switch_prepare - Prepare to switch pinned buffer for queries.
1014 *
1015 * @dev_priv: The device private structure.
1016 * @new_query_bo: The new buffer holding query results.
1017 * @sw_context: The software context used for this command submission.
1018 *
1019 * This function checks whether @new_query_bo is suitable for holding query
1020 * results, and if another buffer currently is pinned for query results. If so,
1021 * the function prepares the state of @sw_context for switching pinned buffers
1022 * after successful submission of the current command batch.
1023 */
1024static int vmw_query_bo_switch_prepare(struct vmw_private *dev_priv,
1025 struct vmw_bo *new_query_bo,
1026 struct vmw_sw_context *sw_context)
1027{
1028 struct vmw_res_cache_entry *ctx_entry =
1029 &sw_context->res_cache[vmw_res_context];
1030 int ret;
1031
1032 BUG_ON(!ctx_entry->valid);
1033 sw_context->last_query_ctx = ctx_entry->res;
1034
1035 if (unlikely(new_query_bo != sw_context->cur_query_bo)) {
1036
1037 if (unlikely(PFN_UP(new_query_bo->tbo.resource->size) > 4)) {
1038 VMW_DEBUG_USER("Query buffer too large.\n");
1039 return -EINVAL;
1040 }
1041
1042 if (unlikely(sw_context->cur_query_bo != NULL)) {
1043 sw_context->needs_post_query_barrier = true;
1044 vmw_bo_placement_set_default_accelerated(sw_context->cur_query_bo);
1045 ret = vmw_validation_add_bo(sw_context->ctx,
1046 sw_context->cur_query_bo);
1047 if (unlikely(ret != 0))
1048 return ret;
1049 }
1050 sw_context->cur_query_bo = new_query_bo;
1051
1052 vmw_bo_placement_set_default_accelerated(dev_priv->dummy_query_bo);
1053 ret = vmw_validation_add_bo(sw_context->ctx,
1054 dev_priv->dummy_query_bo);
1055 if (unlikely(ret != 0))
1056 return ret;
1057 }
1058
1059 return 0;
1060}
1061
1062/**
1063 * vmw_query_bo_switch_commit - Finalize switching pinned query buffer
1064 *
1065 * @dev_priv: The device private structure.
1066 * @sw_context: The software context used for this command submission batch.
1067 *
1068 * This function will check if we're switching query buffers, and will then,
1069 * issue a dummy occlusion query wait used as a query barrier. When the fence
1070 * object following that query wait has signaled, we are sure that all preceding
1071 * queries have finished, and the old query buffer can be unpinned. However,
1072 * since both the new query buffer and the old one are fenced with that fence,
1073 * we can do an asynchronus unpin now, and be sure that the old query buffer
1074 * won't be moved until the fence has signaled.
1075 *
1076 * As mentioned above, both the new - and old query buffers need to be fenced
1077 * using a sequence emitted *after* calling this function.
1078 */
1079static void vmw_query_bo_switch_commit(struct vmw_private *dev_priv,
1080 struct vmw_sw_context *sw_context)
1081{
1082 /*
1083 * The validate list should still hold references to all
1084 * contexts here.
1085 */
1086 if (sw_context->needs_post_query_barrier) {
1087 struct vmw_res_cache_entry *ctx_entry =
1088 &sw_context->res_cache[vmw_res_context];
1089 struct vmw_resource *ctx;
1090 int ret;
1091
1092 BUG_ON(!ctx_entry->valid);
1093 ctx = ctx_entry->res;
1094
1095 ret = vmw_cmd_emit_dummy_query(dev_priv, ctx->id);
1096
1097 if (unlikely(ret != 0))
1098 VMW_DEBUG_USER("Out of fifo space for dummy query.\n");
1099 }
1100
1101 if (dev_priv->pinned_bo != sw_context->cur_query_bo) {
1102 if (dev_priv->pinned_bo) {
1103 vmw_bo_pin_reserved(dev_priv->pinned_bo, false);
1104 vmw_bo_unreference(&dev_priv->pinned_bo);
1105 }
1106
1107 if (!sw_context->needs_post_query_barrier) {
1108 vmw_bo_pin_reserved(sw_context->cur_query_bo, true);
1109
1110 /*
1111 * We pin also the dummy_query_bo buffer so that we
1112 * don't need to validate it when emitting dummy queries
1113 * in context destroy paths.
1114 */
1115 if (!dev_priv->dummy_query_bo_pinned) {
1116 vmw_bo_pin_reserved(dev_priv->dummy_query_bo,
1117 true);
1118 dev_priv->dummy_query_bo_pinned = true;
1119 }
1120
1121 BUG_ON(sw_context->last_query_ctx == NULL);
1122 dev_priv->query_cid = sw_context->last_query_ctx->id;
1123 dev_priv->query_cid_valid = true;
1124 dev_priv->pinned_bo =
1125 vmw_bo_reference(sw_context->cur_query_bo);
1126 }
1127 }
1128}
1129
1130/**
1131 * vmw_translate_mob_ptr - Prepare to translate a user-space buffer handle
1132 * to a MOB id.
1133 *
1134 * @dev_priv: Pointer to a device private structure.
1135 * @sw_context: The software context used for this command batch validation.
1136 * @id: Pointer to the user-space handle to be translated.
1137 * @vmw_bo_p: Points to a location that, on successful return will carry a
1138 * non-reference-counted pointer to the buffer object identified by the
1139 * user-space handle in @id.
1140 *
1141 * This function saves information needed to translate a user-space buffer
1142 * handle to a MOB id. The translation does not take place immediately, but
1143 * during a call to vmw_apply_relocations().
1144 *
1145 * This function builds a relocation list and a list of buffers to validate. The
1146 * former needs to be freed using either vmw_apply_relocations() or
1147 * vmw_free_relocations(). The latter needs to be freed using
1148 * vmw_clear_validations.
1149 */
1150static int vmw_translate_mob_ptr(struct vmw_private *dev_priv,
1151 struct vmw_sw_context *sw_context,
1152 SVGAMobId *id,
1153 struct vmw_bo **vmw_bo_p)
1154{
1155 struct vmw_bo *vmw_bo, *tmp_bo;
1156 uint32_t handle = *id;
1157 struct vmw_relocation *reloc;
1158 int ret;
1159
1160 vmw_validation_preload_bo(sw_context->ctx);
1161 ret = vmw_user_bo_lookup(sw_context->filp, handle, &vmw_bo);
1162 if (ret != 0) {
1163 drm_dbg(&dev_priv->drm, "Could not find or use MOB buffer.\n");
1164 return PTR_ERR(vmw_bo);
1165 }
1166 vmw_bo_placement_set(vmw_bo, VMW_BO_DOMAIN_MOB, VMW_BO_DOMAIN_MOB);
1167 ret = vmw_validation_add_bo(sw_context->ctx, vmw_bo);
1168 tmp_bo = vmw_bo;
1169 vmw_user_bo_unref(&tmp_bo);
1170 if (unlikely(ret != 0))
1171 return ret;
1172
1173 reloc = vmw_validation_mem_alloc(sw_context->ctx, sizeof(*reloc));
1174 if (!reloc)
1175 return -ENOMEM;
1176
1177 reloc->mob_loc = id;
1178 reloc->vbo = vmw_bo;
1179
1180 *vmw_bo_p = vmw_bo;
1181 list_add_tail(&reloc->head, &sw_context->bo_relocations);
1182
1183 return 0;
1184}
1185
1186/**
1187 * vmw_translate_guest_ptr - Prepare to translate a user-space buffer handle
1188 * to a valid SVGAGuestPtr
1189 *
1190 * @dev_priv: Pointer to a device private structure.
1191 * @sw_context: The software context used for this command batch validation.
1192 * @ptr: Pointer to the user-space handle to be translated.
1193 * @vmw_bo_p: Points to a location that, on successful return will carry a
1194 * non-reference-counted pointer to the DMA buffer identified by the user-space
1195 * handle in @id.
1196 *
1197 * This function saves information needed to translate a user-space buffer
1198 * handle to a valid SVGAGuestPtr. The translation does not take place
1199 * immediately, but during a call to vmw_apply_relocations().
1200 *
1201 * This function builds a relocation list and a list of buffers to validate.
1202 * The former needs to be freed using either vmw_apply_relocations() or
1203 * vmw_free_relocations(). The latter needs to be freed using
1204 * vmw_clear_validations.
1205 */
1206static int vmw_translate_guest_ptr(struct vmw_private *dev_priv,
1207 struct vmw_sw_context *sw_context,
1208 SVGAGuestPtr *ptr,
1209 struct vmw_bo **vmw_bo_p)
1210{
1211 struct vmw_bo *vmw_bo, *tmp_bo;
1212 uint32_t handle = ptr->gmrId;
1213 struct vmw_relocation *reloc;
1214 int ret;
1215
1216 vmw_validation_preload_bo(sw_context->ctx);
1217 ret = vmw_user_bo_lookup(sw_context->filp, handle, &vmw_bo);
1218 if (ret != 0) {
1219 drm_dbg(&dev_priv->drm, "Could not find or use GMR region.\n");
1220 return PTR_ERR(vmw_bo);
1221 }
1222 vmw_bo_placement_set(vmw_bo, VMW_BO_DOMAIN_GMR | VMW_BO_DOMAIN_VRAM,
1223 VMW_BO_DOMAIN_GMR | VMW_BO_DOMAIN_VRAM);
1224 ret = vmw_validation_add_bo(sw_context->ctx, vmw_bo);
1225 tmp_bo = vmw_bo;
1226 vmw_user_bo_unref(&tmp_bo);
1227 if (unlikely(ret != 0))
1228 return ret;
1229
1230 reloc = vmw_validation_mem_alloc(sw_context->ctx, sizeof(*reloc));
1231 if (!reloc)
1232 return -ENOMEM;
1233
1234 reloc->location = ptr;
1235 reloc->vbo = vmw_bo;
1236 *vmw_bo_p = vmw_bo;
1237 list_add_tail(&reloc->head, &sw_context->bo_relocations);
1238
1239 return 0;
1240}
1241
1242/**
1243 * vmw_cmd_dx_define_query - validate SVGA_3D_CMD_DX_DEFINE_QUERY command.
1244 *
1245 * @dev_priv: Pointer to a device private struct.
1246 * @sw_context: The software context used for this command submission.
1247 * @header: Pointer to the command header in the command stream.
1248 *
1249 * This function adds the new query into the query COTABLE
1250 */
1251static int vmw_cmd_dx_define_query(struct vmw_private *dev_priv,
1252 struct vmw_sw_context *sw_context,
1253 SVGA3dCmdHeader *header)
1254{
1255 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXDefineQuery);
1256 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
1257 struct vmw_resource *cotable_res;
1258 int ret;
1259
1260 if (!ctx_node)
1261 return -EINVAL;
1262
1263 cmd = container_of(header, typeof(*cmd), header);
1264
1265 if (cmd->body.type < SVGA3D_QUERYTYPE_MIN ||
1266 cmd->body.type >= SVGA3D_QUERYTYPE_MAX)
1267 return -EINVAL;
1268
1269 cotable_res = vmw_context_cotable(ctx_node->ctx, SVGA_COTABLE_DXQUERY);
1270 if (IS_ERR_OR_NULL(cotable_res))
1271 return cotable_res ? PTR_ERR(cotable_res) : -EINVAL;
1272 ret = vmw_cotable_notify(cotable_res, cmd->body.queryId);
1273
1274 return ret;
1275}
1276
1277/**
1278 * vmw_cmd_dx_bind_query - validate SVGA_3D_CMD_DX_BIND_QUERY command.
1279 *
1280 * @dev_priv: Pointer to a device private struct.
1281 * @sw_context: The software context used for this command submission.
1282 * @header: Pointer to the command header in the command stream.
1283 *
1284 * The query bind operation will eventually associate the query ID with its
1285 * backing MOB. In this function, we take the user mode MOB ID and use
1286 * vmw_translate_mob_ptr() to translate it to its kernel mode equivalent.
1287 */
1288static int vmw_cmd_dx_bind_query(struct vmw_private *dev_priv,
1289 struct vmw_sw_context *sw_context,
1290 SVGA3dCmdHeader *header)
1291{
1292 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXBindQuery);
1293 struct vmw_bo *vmw_bo;
1294 int ret;
1295
1296 cmd = container_of(header, typeof(*cmd), header);
1297
1298 /*
1299 * Look up the buffer pointed to by q.mobid, put it on the relocation
1300 * list so its kernel mode MOB ID can be filled in later
1301 */
1302 ret = vmw_translate_mob_ptr(dev_priv, sw_context, &cmd->body.mobid,
1303 &vmw_bo);
1304
1305 if (ret != 0)
1306 return ret;
1307
1308 sw_context->dx_query_mob = vmw_bo;
1309 sw_context->dx_query_ctx = sw_context->dx_ctx_node->ctx;
1310 return 0;
1311}
1312
1313/**
1314 * vmw_cmd_begin_gb_query - validate SVGA_3D_CMD_BEGIN_GB_QUERY command.
1315 *
1316 * @dev_priv: Pointer to a device private struct.
1317 * @sw_context: The software context used for this command submission.
1318 * @header: Pointer to the command header in the command stream.
1319 */
1320static int vmw_cmd_begin_gb_query(struct vmw_private *dev_priv,
1321 struct vmw_sw_context *sw_context,
1322 SVGA3dCmdHeader *header)
1323{
1324 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdBeginGBQuery) =
1325 container_of(header, typeof(*cmd), header);
1326
1327 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
1328 VMW_RES_DIRTY_SET, user_context_converter,
1329 &cmd->body.cid, NULL);
1330}
1331
1332/**
1333 * vmw_cmd_begin_query - validate SVGA_3D_CMD_BEGIN_QUERY command.
1334 *
1335 * @dev_priv: Pointer to a device private struct.
1336 * @sw_context: The software context used for this command submission.
1337 * @header: Pointer to the command header in the command stream.
1338 */
1339static int vmw_cmd_begin_query(struct vmw_private *dev_priv,
1340 struct vmw_sw_context *sw_context,
1341 SVGA3dCmdHeader *header)
1342{
1343 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdBeginQuery) =
1344 container_of(header, typeof(*cmd), header);
1345
1346 if (unlikely(dev_priv->has_mob)) {
1347 VMW_DECLARE_CMD_VAR(gb_cmd, SVGA3dCmdBeginGBQuery);
1348
1349 BUG_ON(sizeof(gb_cmd) != sizeof(*cmd));
1350
1351 gb_cmd.header.id = SVGA_3D_CMD_BEGIN_GB_QUERY;
1352 gb_cmd.header.size = cmd->header.size;
1353 gb_cmd.body.cid = cmd->body.cid;
1354 gb_cmd.body.type = cmd->body.type;
1355
1356 memcpy(cmd, &gb_cmd, sizeof(*cmd));
1357 return vmw_cmd_begin_gb_query(dev_priv, sw_context, header);
1358 }
1359
1360 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
1361 VMW_RES_DIRTY_SET, user_context_converter,
1362 &cmd->body.cid, NULL);
1363}
1364
1365/**
1366 * vmw_cmd_end_gb_query - validate SVGA_3D_CMD_END_GB_QUERY command.
1367 *
1368 * @dev_priv: Pointer to a device private struct.
1369 * @sw_context: The software context used for this command submission.
1370 * @header: Pointer to the command header in the command stream.
1371 */
1372static int vmw_cmd_end_gb_query(struct vmw_private *dev_priv,
1373 struct vmw_sw_context *sw_context,
1374 SVGA3dCmdHeader *header)
1375{
1376 struct vmw_bo *vmw_bo;
1377 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdEndGBQuery);
1378 int ret;
1379
1380 cmd = container_of(header, typeof(*cmd), header);
1381 ret = vmw_cmd_cid_check(dev_priv, sw_context, header);
1382 if (unlikely(ret != 0))
1383 return ret;
1384
1385 ret = vmw_translate_mob_ptr(dev_priv, sw_context, &cmd->body.mobid,
1386 &vmw_bo);
1387 if (unlikely(ret != 0))
1388 return ret;
1389
1390 ret = vmw_query_bo_switch_prepare(dev_priv, vmw_bo, sw_context);
1391
1392 return ret;
1393}
1394
1395/**
1396 * vmw_cmd_end_query - validate SVGA_3D_CMD_END_QUERY command.
1397 *
1398 * @dev_priv: Pointer to a device private struct.
1399 * @sw_context: The software context used for this command submission.
1400 * @header: Pointer to the command header in the command stream.
1401 */
1402static int vmw_cmd_end_query(struct vmw_private *dev_priv,
1403 struct vmw_sw_context *sw_context,
1404 SVGA3dCmdHeader *header)
1405{
1406 struct vmw_bo *vmw_bo;
1407 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdEndQuery);
1408 int ret;
1409
1410 cmd = container_of(header, typeof(*cmd), header);
1411 if (dev_priv->has_mob) {
1412 VMW_DECLARE_CMD_VAR(gb_cmd, SVGA3dCmdEndGBQuery);
1413
1414 BUG_ON(sizeof(gb_cmd) != sizeof(*cmd));
1415
1416 gb_cmd.header.id = SVGA_3D_CMD_END_GB_QUERY;
1417 gb_cmd.header.size = cmd->header.size;
1418 gb_cmd.body.cid = cmd->body.cid;
1419 gb_cmd.body.type = cmd->body.type;
1420 gb_cmd.body.mobid = cmd->body.guestResult.gmrId;
1421 gb_cmd.body.offset = cmd->body.guestResult.offset;
1422
1423 memcpy(cmd, &gb_cmd, sizeof(*cmd));
1424 return vmw_cmd_end_gb_query(dev_priv, sw_context, header);
1425 }
1426
1427 ret = vmw_cmd_cid_check(dev_priv, sw_context, header);
1428 if (unlikely(ret != 0))
1429 return ret;
1430
1431 ret = vmw_translate_guest_ptr(dev_priv, sw_context,
1432 &cmd->body.guestResult, &vmw_bo);
1433 if (unlikely(ret != 0))
1434 return ret;
1435
1436 ret = vmw_query_bo_switch_prepare(dev_priv, vmw_bo, sw_context);
1437
1438 return ret;
1439}
1440
1441/**
1442 * vmw_cmd_wait_gb_query - validate SVGA_3D_CMD_WAIT_GB_QUERY command.
1443 *
1444 * @dev_priv: Pointer to a device private struct.
1445 * @sw_context: The software context used for this command submission.
1446 * @header: Pointer to the command header in the command stream.
1447 */
1448static int vmw_cmd_wait_gb_query(struct vmw_private *dev_priv,
1449 struct vmw_sw_context *sw_context,
1450 SVGA3dCmdHeader *header)
1451{
1452 struct vmw_bo *vmw_bo;
1453 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdWaitForGBQuery);
1454 int ret;
1455
1456 cmd = container_of(header, typeof(*cmd), header);
1457 ret = vmw_cmd_cid_check(dev_priv, sw_context, header);
1458 if (unlikely(ret != 0))
1459 return ret;
1460
1461 ret = vmw_translate_mob_ptr(dev_priv, sw_context, &cmd->body.mobid,
1462 &vmw_bo);
1463 if (unlikely(ret != 0))
1464 return ret;
1465
1466 return 0;
1467}
1468
1469/**
1470 * vmw_cmd_wait_query - validate SVGA_3D_CMD_WAIT_QUERY command.
1471 *
1472 * @dev_priv: Pointer to a device private struct.
1473 * @sw_context: The software context used for this command submission.
1474 * @header: Pointer to the command header in the command stream.
1475 */
1476static int vmw_cmd_wait_query(struct vmw_private *dev_priv,
1477 struct vmw_sw_context *sw_context,
1478 SVGA3dCmdHeader *header)
1479{
1480 struct vmw_bo *vmw_bo;
1481 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdWaitForQuery);
1482 int ret;
1483
1484 cmd = container_of(header, typeof(*cmd), header);
1485 if (dev_priv->has_mob) {
1486 VMW_DECLARE_CMD_VAR(gb_cmd, SVGA3dCmdWaitForGBQuery);
1487
1488 BUG_ON(sizeof(gb_cmd) != sizeof(*cmd));
1489
1490 gb_cmd.header.id = SVGA_3D_CMD_WAIT_FOR_GB_QUERY;
1491 gb_cmd.header.size = cmd->header.size;
1492 gb_cmd.body.cid = cmd->body.cid;
1493 gb_cmd.body.type = cmd->body.type;
1494 gb_cmd.body.mobid = cmd->body.guestResult.gmrId;
1495 gb_cmd.body.offset = cmd->body.guestResult.offset;
1496
1497 memcpy(cmd, &gb_cmd, sizeof(*cmd));
1498 return vmw_cmd_wait_gb_query(dev_priv, sw_context, header);
1499 }
1500
1501 ret = vmw_cmd_cid_check(dev_priv, sw_context, header);
1502 if (unlikely(ret != 0))
1503 return ret;
1504
1505 ret = vmw_translate_guest_ptr(dev_priv, sw_context,
1506 &cmd->body.guestResult, &vmw_bo);
1507 if (unlikely(ret != 0))
1508 return ret;
1509
1510 return 0;
1511}
1512
1513static int vmw_cmd_dma(struct vmw_private *dev_priv,
1514 struct vmw_sw_context *sw_context,
1515 SVGA3dCmdHeader *header)
1516{
1517 struct vmw_bo *vmw_bo = NULL;
1518 struct vmw_surface *srf = NULL;
1519 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdSurfaceDMA);
1520 int ret;
1521 SVGA3dCmdSurfaceDMASuffix *suffix;
1522 uint32_t bo_size;
1523 bool dirty;
1524
1525 cmd = container_of(header, typeof(*cmd), header);
1526 suffix = (SVGA3dCmdSurfaceDMASuffix *)((unsigned long) &cmd->body +
1527 header->size - sizeof(*suffix));
1528
1529 /* Make sure device and verifier stays in sync. */
1530 if (unlikely(suffix->suffixSize != sizeof(*suffix))) {
1531 VMW_DEBUG_USER("Invalid DMA suffix size.\n");
1532 return -EINVAL;
1533 }
1534
1535 ret = vmw_translate_guest_ptr(dev_priv, sw_context,
1536 &cmd->body.guest.ptr, &vmw_bo);
1537 if (unlikely(ret != 0))
1538 return ret;
1539
1540 /* Make sure DMA doesn't cross BO boundaries. */
1541 bo_size = vmw_bo->tbo.base.size;
1542 if (unlikely(cmd->body.guest.ptr.offset > bo_size)) {
1543 VMW_DEBUG_USER("Invalid DMA offset.\n");
1544 return -EINVAL;
1545 }
1546
1547 bo_size -= cmd->body.guest.ptr.offset;
1548 if (unlikely(suffix->maximumOffset > bo_size))
1549 suffix->maximumOffset = bo_size;
1550
1551 dirty = (cmd->body.transfer == SVGA3D_WRITE_HOST_VRAM) ?
1552 VMW_RES_DIRTY_SET : 0;
1553 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1554 dirty, user_surface_converter,
1555 &cmd->body.host.sid, NULL);
1556 if (unlikely(ret != 0)) {
1557 if (unlikely(ret != -ERESTARTSYS))
1558 VMW_DEBUG_USER("could not find surface for DMA.\n");
1559 return ret;
1560 }
1561
1562 srf = vmw_res_to_srf(sw_context->res_cache[vmw_res_surface].res);
1563
1564 vmw_kms_cursor_snoop(srf, sw_context->fp->tfile, &vmw_bo->tbo, header);
1565
1566 return 0;
1567}
1568
1569static int vmw_cmd_draw(struct vmw_private *dev_priv,
1570 struct vmw_sw_context *sw_context,
1571 SVGA3dCmdHeader *header)
1572{
1573 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDrawPrimitives);
1574 SVGA3dVertexDecl *decl = (SVGA3dVertexDecl *)(
1575 (unsigned long)header + sizeof(*cmd));
1576 SVGA3dPrimitiveRange *range;
1577 uint32_t i;
1578 uint32_t maxnum;
1579 int ret;
1580
1581 ret = vmw_cmd_cid_check(dev_priv, sw_context, header);
1582 if (unlikely(ret != 0))
1583 return ret;
1584
1585 cmd = container_of(header, typeof(*cmd), header);
1586 maxnum = (header->size - sizeof(cmd->body)) / sizeof(*decl);
1587
1588 if (unlikely(cmd->body.numVertexDecls > maxnum)) {
1589 VMW_DEBUG_USER("Illegal number of vertex declarations.\n");
1590 return -EINVAL;
1591 }
1592
1593 for (i = 0; i < cmd->body.numVertexDecls; ++i, ++decl) {
1594 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1595 VMW_RES_DIRTY_NONE,
1596 user_surface_converter,
1597 &decl->array.surfaceId, NULL);
1598 if (unlikely(ret != 0))
1599 return ret;
1600 }
1601
1602 maxnum = (header->size - sizeof(cmd->body) -
1603 cmd->body.numVertexDecls * sizeof(*decl)) / sizeof(*range);
1604 if (unlikely(cmd->body.numRanges > maxnum)) {
1605 VMW_DEBUG_USER("Illegal number of index ranges.\n");
1606 return -EINVAL;
1607 }
1608
1609 range = (SVGA3dPrimitiveRange *) decl;
1610 for (i = 0; i < cmd->body.numRanges; ++i, ++range) {
1611 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1612 VMW_RES_DIRTY_NONE,
1613 user_surface_converter,
1614 &range->indexArray.surfaceId, NULL);
1615 if (unlikely(ret != 0))
1616 return ret;
1617 }
1618 return 0;
1619}
1620
1621static int vmw_cmd_tex_state(struct vmw_private *dev_priv,
1622 struct vmw_sw_context *sw_context,
1623 SVGA3dCmdHeader *header)
1624{
1625 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdSetTextureState);
1626 SVGA3dTextureState *last_state = (SVGA3dTextureState *)
1627 ((unsigned long) header + header->size + sizeof(*header));
1628 SVGA3dTextureState *cur_state = (SVGA3dTextureState *)
1629 ((unsigned long) header + sizeof(*cmd));
1630 struct vmw_resource *ctx;
1631 struct vmw_resource *res;
1632 int ret;
1633
1634 cmd = container_of(header, typeof(*cmd), header);
1635
1636 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
1637 VMW_RES_DIRTY_SET, user_context_converter,
1638 &cmd->body.cid, &ctx);
1639 if (unlikely(ret != 0))
1640 return ret;
1641
1642 for (; cur_state < last_state; ++cur_state) {
1643 if (likely(cur_state->name != SVGA3D_TS_BIND_TEXTURE))
1644 continue;
1645
1646 if (cur_state->stage >= SVGA3D_NUM_TEXTURE_UNITS) {
1647 VMW_DEBUG_USER("Illegal texture/sampler unit %u.\n",
1648 (unsigned int) cur_state->stage);
1649 return -EINVAL;
1650 }
1651
1652 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1653 VMW_RES_DIRTY_NONE,
1654 user_surface_converter,
1655 &cur_state->value, &res);
1656 if (unlikely(ret != 0))
1657 return ret;
1658
1659 if (dev_priv->has_mob) {
1660 struct vmw_ctx_bindinfo_tex binding;
1661 struct vmw_ctx_validation_info *node;
1662
1663 node = vmw_execbuf_info_from_res(sw_context, ctx);
1664 if (!node)
1665 return -EINVAL;
1666
1667 binding.bi.ctx = ctx;
1668 binding.bi.res = res;
1669 binding.bi.bt = vmw_ctx_binding_tex;
1670 binding.texture_stage = cur_state->stage;
1671 vmw_binding_add(node->staged, &binding.bi, 0,
1672 binding.texture_stage);
1673 }
1674 }
1675
1676 return 0;
1677}
1678
1679static int vmw_cmd_check_define_gmrfb(struct vmw_private *dev_priv,
1680 struct vmw_sw_context *sw_context,
1681 void *buf)
1682{
1683 struct vmw_bo *vmw_bo;
1684
1685 struct {
1686 uint32_t header;
1687 SVGAFifoCmdDefineGMRFB body;
1688 } *cmd = buf;
1689
1690 return vmw_translate_guest_ptr(dev_priv, sw_context, &cmd->body.ptr,
1691 &vmw_bo);
1692}
1693
1694/**
1695 * vmw_cmd_res_switch_backup - Utility function to handle backup buffer
1696 * switching
1697 *
1698 * @dev_priv: Pointer to a device private struct.
1699 * @sw_context: The software context being used for this batch.
1700 * @res: Pointer to the resource.
1701 * @buf_id: Pointer to the user-space backup buffer handle in the command
1702 * stream.
1703 * @backup_offset: Offset of backup into MOB.
1704 *
1705 * This function prepares for registering a switch of backup buffers in the
1706 * resource metadata just prior to unreserving. It's basically a wrapper around
1707 * vmw_cmd_res_switch_backup with a different interface.
1708 */
1709static int vmw_cmd_res_switch_backup(struct vmw_private *dev_priv,
1710 struct vmw_sw_context *sw_context,
1711 struct vmw_resource *res, uint32_t *buf_id,
1712 unsigned long backup_offset)
1713{
1714 struct vmw_bo *vbo;
1715 void *info;
1716 int ret;
1717
1718 info = vmw_execbuf_info_from_res(sw_context, res);
1719 if (!info)
1720 return -EINVAL;
1721
1722 ret = vmw_translate_mob_ptr(dev_priv, sw_context, buf_id, &vbo);
1723 if (ret)
1724 return ret;
1725
1726 vmw_validation_res_switch_backup(sw_context->ctx, info, vbo,
1727 backup_offset);
1728 return 0;
1729}
1730
1731/**
1732 * vmw_cmd_switch_backup - Utility function to handle backup buffer switching
1733 *
1734 * @dev_priv: Pointer to a device private struct.
1735 * @sw_context: The software context being used for this batch.
1736 * @res_type: The resource type.
1737 * @converter: Information about user-space binding for this resource type.
1738 * @res_id: Pointer to the user-space resource handle in the command stream.
1739 * @buf_id: Pointer to the user-space backup buffer handle in the command
1740 * stream.
1741 * @backup_offset: Offset of backup into MOB.
1742 *
1743 * This function prepares for registering a switch of backup buffers in the
1744 * resource metadata just prior to unreserving. It's basically a wrapper around
1745 * vmw_cmd_res_switch_backup with a different interface.
1746 */
1747static int vmw_cmd_switch_backup(struct vmw_private *dev_priv,
1748 struct vmw_sw_context *sw_context,
1749 enum vmw_res_type res_type,
1750 const struct vmw_user_resource_conv
1751 *converter, uint32_t *res_id, uint32_t *buf_id,
1752 unsigned long backup_offset)
1753{
1754 struct vmw_resource *res;
1755 int ret;
1756
1757 ret = vmw_cmd_res_check(dev_priv, sw_context, res_type,
1758 VMW_RES_DIRTY_NONE, converter, res_id, &res);
1759 if (ret)
1760 return ret;
1761
1762 return vmw_cmd_res_switch_backup(dev_priv, sw_context, res, buf_id,
1763 backup_offset);
1764}
1765
1766/**
1767 * vmw_cmd_bind_gb_surface - Validate SVGA_3D_CMD_BIND_GB_SURFACE command
1768 *
1769 * @dev_priv: Pointer to a device private struct.
1770 * @sw_context: The software context being used for this batch.
1771 * @header: Pointer to the command header in the command stream.
1772 */
1773static int vmw_cmd_bind_gb_surface(struct vmw_private *dev_priv,
1774 struct vmw_sw_context *sw_context,
1775 SVGA3dCmdHeader *header)
1776{
1777 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdBindGBSurface) =
1778 container_of(header, typeof(*cmd), header);
1779
1780 return vmw_cmd_switch_backup(dev_priv, sw_context, vmw_res_surface,
1781 user_surface_converter, &cmd->body.sid,
1782 &cmd->body.mobid, 0);
1783}
1784
1785/**
1786 * vmw_cmd_update_gb_image - Validate SVGA_3D_CMD_UPDATE_GB_IMAGE command
1787 *
1788 * @dev_priv: Pointer to a device private struct.
1789 * @sw_context: The software context being used for this batch.
1790 * @header: Pointer to the command header in the command stream.
1791 */
1792static int vmw_cmd_update_gb_image(struct vmw_private *dev_priv,
1793 struct vmw_sw_context *sw_context,
1794 SVGA3dCmdHeader *header)
1795{
1796 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdUpdateGBImage) =
1797 container_of(header, typeof(*cmd), header);
1798
1799 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1800 VMW_RES_DIRTY_NONE, user_surface_converter,
1801 &cmd->body.image.sid, NULL);
1802}
1803
1804/**
1805 * vmw_cmd_update_gb_surface - Validate SVGA_3D_CMD_UPDATE_GB_SURFACE command
1806 *
1807 * @dev_priv: Pointer to a device private struct.
1808 * @sw_context: The software context being used for this batch.
1809 * @header: Pointer to the command header in the command stream.
1810 */
1811static int vmw_cmd_update_gb_surface(struct vmw_private *dev_priv,
1812 struct vmw_sw_context *sw_context,
1813 SVGA3dCmdHeader *header)
1814{
1815 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdUpdateGBSurface) =
1816 container_of(header, typeof(*cmd), header);
1817
1818 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1819 VMW_RES_DIRTY_CLEAR, user_surface_converter,
1820 &cmd->body.sid, NULL);
1821}
1822
1823/**
1824 * vmw_cmd_readback_gb_image - Validate SVGA_3D_CMD_READBACK_GB_IMAGE command
1825 *
1826 * @dev_priv: Pointer to a device private struct.
1827 * @sw_context: The software context being used for this batch.
1828 * @header: Pointer to the command header in the command stream.
1829 */
1830static int vmw_cmd_readback_gb_image(struct vmw_private *dev_priv,
1831 struct vmw_sw_context *sw_context,
1832 SVGA3dCmdHeader *header)
1833{
1834 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdReadbackGBImage) =
1835 container_of(header, typeof(*cmd), header);
1836
1837 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1838 VMW_RES_DIRTY_NONE, user_surface_converter,
1839 &cmd->body.image.sid, NULL);
1840}
1841
1842/**
1843 * vmw_cmd_readback_gb_surface - Validate SVGA_3D_CMD_READBACK_GB_SURFACE
1844 * command
1845 *
1846 * @dev_priv: Pointer to a device private struct.
1847 * @sw_context: The software context being used for this batch.
1848 * @header: Pointer to the command header in the command stream.
1849 */
1850static int vmw_cmd_readback_gb_surface(struct vmw_private *dev_priv,
1851 struct vmw_sw_context *sw_context,
1852 SVGA3dCmdHeader *header)
1853{
1854 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdReadbackGBSurface) =
1855 container_of(header, typeof(*cmd), header);
1856
1857 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1858 VMW_RES_DIRTY_CLEAR, user_surface_converter,
1859 &cmd->body.sid, NULL);
1860}
1861
1862/**
1863 * vmw_cmd_invalidate_gb_image - Validate SVGA_3D_CMD_INVALIDATE_GB_IMAGE
1864 * command
1865 *
1866 * @dev_priv: Pointer to a device private struct.
1867 * @sw_context: The software context being used for this batch.
1868 * @header: Pointer to the command header in the command stream.
1869 */
1870static int vmw_cmd_invalidate_gb_image(struct vmw_private *dev_priv,
1871 struct vmw_sw_context *sw_context,
1872 SVGA3dCmdHeader *header)
1873{
1874 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdInvalidateGBImage) =
1875 container_of(header, typeof(*cmd), header);
1876
1877 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1878 VMW_RES_DIRTY_NONE, user_surface_converter,
1879 &cmd->body.image.sid, NULL);
1880}
1881
1882/**
1883 * vmw_cmd_invalidate_gb_surface - Validate SVGA_3D_CMD_INVALIDATE_GB_SURFACE
1884 * command
1885 *
1886 * @dev_priv: Pointer to a device private struct.
1887 * @sw_context: The software context being used for this batch.
1888 * @header: Pointer to the command header in the command stream.
1889 */
1890static int vmw_cmd_invalidate_gb_surface(struct vmw_private *dev_priv,
1891 struct vmw_sw_context *sw_context,
1892 SVGA3dCmdHeader *header)
1893{
1894 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdInvalidateGBSurface) =
1895 container_of(header, typeof(*cmd), header);
1896
1897 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1898 VMW_RES_DIRTY_CLEAR, user_surface_converter,
1899 &cmd->body.sid, NULL);
1900}
1901
1902/**
1903 * vmw_cmd_shader_define - Validate SVGA_3D_CMD_SHADER_DEFINE command
1904 *
1905 * @dev_priv: Pointer to a device private struct.
1906 * @sw_context: The software context being used for this batch.
1907 * @header: Pointer to the command header in the command stream.
1908 */
1909static int vmw_cmd_shader_define(struct vmw_private *dev_priv,
1910 struct vmw_sw_context *sw_context,
1911 SVGA3dCmdHeader *header)
1912{
1913 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDefineShader);
1914 int ret;
1915 size_t size;
1916 struct vmw_resource *ctx;
1917
1918 cmd = container_of(header, typeof(*cmd), header);
1919
1920 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
1921 VMW_RES_DIRTY_SET, user_context_converter,
1922 &cmd->body.cid, &ctx);
1923 if (unlikely(ret != 0))
1924 return ret;
1925
1926 if (unlikely(!dev_priv->has_mob))
1927 return 0;
1928
1929 size = cmd->header.size - sizeof(cmd->body);
1930 ret = vmw_compat_shader_add(dev_priv, vmw_context_res_man(ctx),
1931 cmd->body.shid, cmd + 1, cmd->body.type,
1932 size, &sw_context->staged_cmd_res);
1933 if (unlikely(ret != 0))
1934 return ret;
1935
1936 return vmw_resource_relocation_add(sw_context, NULL,
1937 vmw_ptr_diff(sw_context->buf_start,
1938 &cmd->header.id),
1939 vmw_res_rel_nop);
1940}
1941
1942/**
1943 * vmw_cmd_shader_destroy - Validate SVGA_3D_CMD_SHADER_DESTROY command
1944 *
1945 * @dev_priv: Pointer to a device private struct.
1946 * @sw_context: The software context being used for this batch.
1947 * @header: Pointer to the command header in the command stream.
1948 */
1949static int vmw_cmd_shader_destroy(struct vmw_private *dev_priv,
1950 struct vmw_sw_context *sw_context,
1951 SVGA3dCmdHeader *header)
1952{
1953 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDestroyShader);
1954 int ret;
1955 struct vmw_resource *ctx;
1956
1957 cmd = container_of(header, typeof(*cmd), header);
1958
1959 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
1960 VMW_RES_DIRTY_SET, user_context_converter,
1961 &cmd->body.cid, &ctx);
1962 if (unlikely(ret != 0))
1963 return ret;
1964
1965 if (unlikely(!dev_priv->has_mob))
1966 return 0;
1967
1968 ret = vmw_shader_remove(vmw_context_res_man(ctx), cmd->body.shid,
1969 cmd->body.type, &sw_context->staged_cmd_res);
1970 if (unlikely(ret != 0))
1971 return ret;
1972
1973 return vmw_resource_relocation_add(sw_context, NULL,
1974 vmw_ptr_diff(sw_context->buf_start,
1975 &cmd->header.id),
1976 vmw_res_rel_nop);
1977}
1978
1979/**
1980 * vmw_cmd_set_shader - Validate SVGA_3D_CMD_SET_SHADER command
1981 *
1982 * @dev_priv: Pointer to a device private struct.
1983 * @sw_context: The software context being used for this batch.
1984 * @header: Pointer to the command header in the command stream.
1985 */
1986static int vmw_cmd_set_shader(struct vmw_private *dev_priv,
1987 struct vmw_sw_context *sw_context,
1988 SVGA3dCmdHeader *header)
1989{
1990 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdSetShader);
1991 struct vmw_ctx_bindinfo_shader binding;
1992 struct vmw_resource *ctx, *res = NULL;
1993 struct vmw_ctx_validation_info *ctx_info;
1994 int ret;
1995
1996 cmd = container_of(header, typeof(*cmd), header);
1997
1998 if (!vmw_shadertype_is_valid(VMW_SM_LEGACY, cmd->body.type)) {
1999 VMW_DEBUG_USER("Illegal shader type %u.\n",
2000 (unsigned int) cmd->body.type);
2001 return -EINVAL;
2002 }
2003
2004 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
2005 VMW_RES_DIRTY_SET, user_context_converter,
2006 &cmd->body.cid, &ctx);
2007 if (unlikely(ret != 0))
2008 return ret;
2009
2010 if (!dev_priv->has_mob)
2011 return 0;
2012
2013 if (cmd->body.shid != SVGA3D_INVALID_ID) {
2014 /*
2015 * This is the compat shader path - Per device guest-backed
2016 * shaders, but user-space thinks it's per context host-
2017 * backed shaders.
2018 */
2019 res = vmw_shader_lookup(vmw_context_res_man(ctx),
2020 cmd->body.shid, cmd->body.type);
2021 if (!IS_ERR(res)) {
2022 ret = vmw_execbuf_res_val_add(sw_context, res,
2023 VMW_RES_DIRTY_NONE,
2024 vmw_val_add_flag_noctx);
2025 if (unlikely(ret != 0))
2026 return ret;
2027
2028 ret = vmw_resource_relocation_add
2029 (sw_context, res,
2030 vmw_ptr_diff(sw_context->buf_start,
2031 &cmd->body.shid),
2032 vmw_res_rel_normal);
2033 if (unlikely(ret != 0))
2034 return ret;
2035 }
2036 }
2037
2038 if (IS_ERR_OR_NULL(res)) {
2039 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_shader,
2040 VMW_RES_DIRTY_NONE,
2041 user_shader_converter, &cmd->body.shid,
2042 &res);
2043 if (unlikely(ret != 0))
2044 return ret;
2045 }
2046
2047 ctx_info = vmw_execbuf_info_from_res(sw_context, ctx);
2048 if (!ctx_info)
2049 return -EINVAL;
2050
2051 binding.bi.ctx = ctx;
2052 binding.bi.res = res;
2053 binding.bi.bt = vmw_ctx_binding_shader;
2054 binding.shader_slot = cmd->body.type - SVGA3D_SHADERTYPE_MIN;
2055 vmw_binding_add(ctx_info->staged, &binding.bi, binding.shader_slot, 0);
2056
2057 return 0;
2058}
2059
2060/**
2061 * vmw_cmd_set_shader_const - Validate SVGA_3D_CMD_SET_SHADER_CONST command
2062 *
2063 * @dev_priv: Pointer to a device private struct.
2064 * @sw_context: The software context being used for this batch.
2065 * @header: Pointer to the command header in the command stream.
2066 */
2067static int vmw_cmd_set_shader_const(struct vmw_private *dev_priv,
2068 struct vmw_sw_context *sw_context,
2069 SVGA3dCmdHeader *header)
2070{
2071 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdSetShaderConst);
2072 int ret;
2073
2074 cmd = container_of(header, typeof(*cmd), header);
2075
2076 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
2077 VMW_RES_DIRTY_SET, user_context_converter,
2078 &cmd->body.cid, NULL);
2079 if (unlikely(ret != 0))
2080 return ret;
2081
2082 if (dev_priv->has_mob)
2083 header->id = SVGA_3D_CMD_SET_GB_SHADERCONSTS_INLINE;
2084
2085 return 0;
2086}
2087
2088/**
2089 * vmw_cmd_bind_gb_shader - Validate SVGA_3D_CMD_BIND_GB_SHADER command
2090 *
2091 * @dev_priv: Pointer to a device private struct.
2092 * @sw_context: The software context being used for this batch.
2093 * @header: Pointer to the command header in the command stream.
2094 */
2095static int vmw_cmd_bind_gb_shader(struct vmw_private *dev_priv,
2096 struct vmw_sw_context *sw_context,
2097 SVGA3dCmdHeader *header)
2098{
2099 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdBindGBShader) =
2100 container_of(header, typeof(*cmd), header);
2101
2102 return vmw_cmd_switch_backup(dev_priv, sw_context, vmw_res_shader,
2103 user_shader_converter, &cmd->body.shid,
2104 &cmd->body.mobid, cmd->body.offsetInBytes);
2105}
2106
2107/**
2108 * vmw_cmd_dx_set_single_constant_buffer - Validate
2109 * SVGA_3D_CMD_DX_SET_SINGLE_CONSTANT_BUFFER command.
2110 *
2111 * @dev_priv: Pointer to a device private struct.
2112 * @sw_context: The software context being used for this batch.
2113 * @header: Pointer to the command header in the command stream.
2114 */
2115static int
2116vmw_cmd_dx_set_single_constant_buffer(struct vmw_private *dev_priv,
2117 struct vmw_sw_context *sw_context,
2118 SVGA3dCmdHeader *header)
2119{
2120 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXSetSingleConstantBuffer);
2121
2122 struct vmw_resource *res = NULL;
2123 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
2124 struct vmw_ctx_bindinfo_cb binding;
2125 int ret;
2126
2127 if (!ctx_node)
2128 return -EINVAL;
2129
2130 cmd = container_of(header, typeof(*cmd), header);
2131 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2132 VMW_RES_DIRTY_NONE, user_surface_converter,
2133 &cmd->body.sid, &res);
2134 if (unlikely(ret != 0))
2135 return ret;
2136
2137 if (!vmw_shadertype_is_valid(dev_priv->sm_type, cmd->body.type) ||
2138 cmd->body.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) cmd->body.slot);
2142 return -EINVAL;
2143 }
2144
2145 binding.bi.ctx = ctx_node->ctx;
2146 binding.bi.res = res;
2147 binding.bi.bt = vmw_ctx_binding_cb;
2148 binding.shader_slot = cmd->body.type - SVGA3D_SHADERTYPE_MIN;
2149 binding.offset = cmd->body.offsetInBytes;
2150 binding.size = cmd->body.sizeInBytes;
2151 binding.slot = cmd->body.slot;
2152
2153 vmw_binding_add(ctx_node->staged, &binding.bi, binding.shader_slot,
2154 binding.slot);
2155
2156 return 0;
2157}
2158
2159/**
2160 * vmw_cmd_dx_set_constant_buffer_offset - Validate
2161 * SVGA_3D_CMD_DX_SET_VS/PS/GS/HS/DS/CS_CONSTANT_BUFFER_OFFSET command.
2162 *
2163 * @dev_priv: Pointer to a device private struct.
2164 * @sw_context: The software context being used for this batch.
2165 * @header: Pointer to the command header in the command stream.
2166 */
2167static int
2168vmw_cmd_dx_set_constant_buffer_offset(struct vmw_private *dev_priv,
2169 struct vmw_sw_context *sw_context,
2170 SVGA3dCmdHeader *header)
2171{
2172 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXSetConstantBufferOffset);
2173
2174 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
2175 u32 shader_slot;
2176
2177 if (!has_sm5_context(dev_priv))
2178 return -EINVAL;
2179
2180 if (!ctx_node)
2181 return -EINVAL;
2182
2183 cmd = container_of(header, typeof(*cmd), header);
2184 if (cmd->body.slot >= SVGA3D_DX_MAX_CONSTBUFFERS) {
2185 VMW_DEBUG_USER("Illegal const buffer slot %u.\n",
2186 (unsigned int) cmd->body.slot);
2187 return -EINVAL;
2188 }
2189
2190 shader_slot = cmd->header.id - SVGA_3D_CMD_DX_SET_VS_CONSTANT_BUFFER_OFFSET;
2191 vmw_binding_cb_offset_update(ctx_node->staged, shader_slot,
2192 cmd->body.slot, cmd->body.offsetInBytes);
2193
2194 return 0;
2195}
2196
2197/**
2198 * vmw_cmd_dx_set_shader_res - Validate SVGA_3D_CMD_DX_SET_SHADER_RESOURCES
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_dx_set_shader_res(struct vmw_private *dev_priv,
2206 struct vmw_sw_context *sw_context,
2207 SVGA3dCmdHeader *header)
2208{
2209 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXSetShaderResources) =
2210 container_of(header, typeof(*cmd), header);
2211
2212 u32 num_sr_view = (cmd->header.size - sizeof(cmd->body)) /
2213 sizeof(SVGA3dShaderResourceViewId);
2214
2215 if ((u64) cmd->body.startView + (u64) num_sr_view >
2216 (u64) SVGA3D_DX_MAX_SRVIEWS ||
2217 !vmw_shadertype_is_valid(dev_priv->sm_type, cmd->body.type)) {
2218 VMW_DEBUG_USER("Invalid shader binding.\n");
2219 return -EINVAL;
2220 }
2221
2222 return vmw_view_bindings_add(sw_context, vmw_view_sr,
2223 vmw_ctx_binding_sr,
2224 cmd->body.type - SVGA3D_SHADERTYPE_MIN,
2225 (void *) &cmd[1], num_sr_view,
2226 cmd->body.startView);
2227}
2228
2229/**
2230 * vmw_cmd_dx_set_shader - Validate SVGA_3D_CMD_DX_SET_SHADER command
2231 *
2232 * @dev_priv: Pointer to a device private struct.
2233 * @sw_context: The software context being used for this batch.
2234 * @header: Pointer to the command header in the command stream.
2235 */
2236static int vmw_cmd_dx_set_shader(struct vmw_private *dev_priv,
2237 struct vmw_sw_context *sw_context,
2238 SVGA3dCmdHeader *header)
2239{
2240 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXSetShader);
2241 struct vmw_resource *res = NULL;
2242 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
2243 struct vmw_ctx_bindinfo_shader binding;
2244 int ret = 0;
2245
2246 if (!ctx_node)
2247 return -EINVAL;
2248
2249 cmd = container_of(header, typeof(*cmd), header);
2250
2251 if (!vmw_shadertype_is_valid(dev_priv->sm_type, cmd->body.type)) {
2252 VMW_DEBUG_USER("Illegal shader type %u.\n",
2253 (unsigned int) cmd->body.type);
2254 return -EINVAL;
2255 }
2256
2257 if (cmd->body.shaderId != SVGA3D_INVALID_ID) {
2258 res = vmw_shader_lookup(sw_context->man, cmd->body.shaderId, 0);
2259 if (IS_ERR(res)) {
2260 VMW_DEBUG_USER("Could not find shader for binding.\n");
2261 return PTR_ERR(res);
2262 }
2263
2264 ret = vmw_execbuf_res_val_add(sw_context, res,
2265 VMW_RES_DIRTY_NONE,
2266 vmw_val_add_flag_noctx);
2267 if (ret)
2268 return ret;
2269 }
2270
2271 binding.bi.ctx = ctx_node->ctx;
2272 binding.bi.res = res;
2273 binding.bi.bt = vmw_ctx_binding_dx_shader;
2274 binding.shader_slot = cmd->body.type - SVGA3D_SHADERTYPE_MIN;
2275
2276 vmw_binding_add(ctx_node->staged, &binding.bi, binding.shader_slot, 0);
2277
2278 return 0;
2279}
2280
2281/**
2282 * vmw_cmd_dx_set_vertex_buffers - Validates SVGA_3D_CMD_DX_SET_VERTEX_BUFFERS
2283 * command
2284 *
2285 * @dev_priv: Pointer to a device private struct.
2286 * @sw_context: The software context being used for this batch.
2287 * @header: Pointer to the command header in the command stream.
2288 */
2289static int vmw_cmd_dx_set_vertex_buffers(struct vmw_private *dev_priv,
2290 struct vmw_sw_context *sw_context,
2291 SVGA3dCmdHeader *header)
2292{
2293 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
2294 struct vmw_ctx_bindinfo_vb binding;
2295 struct vmw_resource *res;
2296 struct {
2297 SVGA3dCmdHeader header;
2298 SVGA3dCmdDXSetVertexBuffers body;
2299 SVGA3dVertexBuffer buf[];
2300 } *cmd;
2301 int i, ret, num;
2302
2303 if (!ctx_node)
2304 return -EINVAL;
2305
2306 cmd = container_of(header, typeof(*cmd), header);
2307 num = (cmd->header.size - sizeof(cmd->body)) /
2308 sizeof(SVGA3dVertexBuffer);
2309 if ((u64)num + (u64)cmd->body.startBuffer >
2310 (u64)SVGA3D_DX_MAX_VERTEXBUFFERS) {
2311 VMW_DEBUG_USER("Invalid number of vertex buffers.\n");
2312 return -EINVAL;
2313 }
2314
2315 for (i = 0; i < num; i++) {
2316 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2317 VMW_RES_DIRTY_NONE,
2318 user_surface_converter,
2319 &cmd->buf[i].sid, &res);
2320 if (unlikely(ret != 0))
2321 return ret;
2322
2323 binding.bi.ctx = ctx_node->ctx;
2324 binding.bi.bt = vmw_ctx_binding_vb;
2325 binding.bi.res = res;
2326 binding.offset = cmd->buf[i].offset;
2327 binding.stride = cmd->buf[i].stride;
2328 binding.slot = i + cmd->body.startBuffer;
2329
2330 vmw_binding_add(ctx_node->staged, &binding.bi, 0, binding.slot);
2331 }
2332
2333 return 0;
2334}
2335
2336/**
2337 * vmw_cmd_dx_set_index_buffer - Validate
2338 * SVGA_3D_CMD_DX_IA_SET_INDEX_BUFFER command.
2339 *
2340 * @dev_priv: Pointer to a device private struct.
2341 * @sw_context: The software context being used for this batch.
2342 * @header: Pointer to the command header in the command stream.
2343 */
2344static int vmw_cmd_dx_set_index_buffer(struct vmw_private *dev_priv,
2345 struct vmw_sw_context *sw_context,
2346 SVGA3dCmdHeader *header)
2347{
2348 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
2349 struct vmw_ctx_bindinfo_ib binding;
2350 struct vmw_resource *res;
2351 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXSetIndexBuffer);
2352 int ret;
2353
2354 if (!ctx_node)
2355 return -EINVAL;
2356
2357 cmd = container_of(header, typeof(*cmd), header);
2358 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2359 VMW_RES_DIRTY_NONE, user_surface_converter,
2360 &cmd->body.sid, &res);
2361 if (unlikely(ret != 0))
2362 return ret;
2363
2364 binding.bi.ctx = ctx_node->ctx;
2365 binding.bi.res = res;
2366 binding.bi.bt = vmw_ctx_binding_ib;
2367 binding.offset = cmd->body.offset;
2368 binding.format = cmd->body.format;
2369
2370 vmw_binding_add(ctx_node->staged, &binding.bi, 0, 0);
2371
2372 return 0;
2373}
2374
2375/**
2376 * vmw_cmd_dx_set_rendertargets - Validate SVGA_3D_CMD_DX_SET_RENDERTARGETS
2377 * command
2378 *
2379 * @dev_priv: Pointer to a device private struct.
2380 * @sw_context: The software context being used for this batch.
2381 * @header: Pointer to the command header in the command stream.
2382 */
2383static int vmw_cmd_dx_set_rendertargets(struct vmw_private *dev_priv,
2384 struct vmw_sw_context *sw_context,
2385 SVGA3dCmdHeader *header)
2386{
2387 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXSetRenderTargets) =
2388 container_of(header, typeof(*cmd), header);
2389 u32 num_rt_view = (cmd->header.size - sizeof(cmd->body)) /
2390 sizeof(SVGA3dRenderTargetViewId);
2391 int ret;
2392
2393 if (num_rt_view > SVGA3D_DX_MAX_RENDER_TARGETS) {
2394 VMW_DEBUG_USER("Invalid DX Rendertarget binding.\n");
2395 return -EINVAL;
2396 }
2397
2398 ret = vmw_view_bindings_add(sw_context, vmw_view_ds, vmw_ctx_binding_ds,
2399 0, &cmd->body.depthStencilViewId, 1, 0);
2400 if (ret)
2401 return ret;
2402
2403 return vmw_view_bindings_add(sw_context, vmw_view_rt,
2404 vmw_ctx_binding_dx_rt, 0, (void *)&cmd[1],
2405 num_rt_view, 0);
2406}
2407
2408/**
2409 * vmw_cmd_dx_clear_rendertarget_view - Validate
2410 * SVGA_3D_CMD_DX_CLEAR_RENDERTARGET_VIEW command
2411 *
2412 * @dev_priv: Pointer to a device private struct.
2413 * @sw_context: The software context being used for this batch.
2414 * @header: Pointer to the command header in the command stream.
2415 */
2416static int vmw_cmd_dx_clear_rendertarget_view(struct vmw_private *dev_priv,
2417 struct vmw_sw_context *sw_context,
2418 SVGA3dCmdHeader *header)
2419{
2420 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXClearRenderTargetView) =
2421 container_of(header, typeof(*cmd), header);
2422 struct vmw_resource *ret;
2423
2424 ret = vmw_view_id_val_add(sw_context, vmw_view_rt,
2425 cmd->body.renderTargetViewId);
2426
2427 return PTR_ERR_OR_ZERO(ret);
2428}
2429
2430/**
2431 * vmw_cmd_dx_clear_depthstencil_view - Validate
2432 * SVGA_3D_CMD_DX_CLEAR_DEPTHSTENCIL_VIEW command
2433 *
2434 * @dev_priv: Pointer to a device private struct.
2435 * @sw_context: The software context being used for this batch.
2436 * @header: Pointer to the command header in the command stream.
2437 */
2438static int vmw_cmd_dx_clear_depthstencil_view(struct vmw_private *dev_priv,
2439 struct vmw_sw_context *sw_context,
2440 SVGA3dCmdHeader *header)
2441{
2442 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXClearDepthStencilView) =
2443 container_of(header, typeof(*cmd), header);
2444 struct vmw_resource *ret;
2445
2446 ret = vmw_view_id_val_add(sw_context, vmw_view_ds,
2447 cmd->body.depthStencilViewId);
2448
2449 return PTR_ERR_OR_ZERO(ret);
2450}
2451
2452static int vmw_cmd_dx_view_define(struct vmw_private *dev_priv,
2453 struct vmw_sw_context *sw_context,
2454 SVGA3dCmdHeader *header)
2455{
2456 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
2457 struct vmw_resource *srf;
2458 struct vmw_resource *res;
2459 enum vmw_view_type view_type;
2460 int ret;
2461 /*
2462 * This is based on the fact that all affected define commands have the
2463 * same initial command body layout.
2464 */
2465 struct {
2466 SVGA3dCmdHeader header;
2467 uint32 defined_id;
2468 uint32 sid;
2469 } *cmd;
2470
2471 if (!ctx_node)
2472 return -EINVAL;
2473
2474 view_type = vmw_view_cmd_to_type(header->id);
2475 if (view_type == vmw_view_max)
2476 return -EINVAL;
2477
2478 cmd = container_of(header, typeof(*cmd), header);
2479 if (unlikely(cmd->sid == SVGA3D_INVALID_ID)) {
2480 VMW_DEBUG_USER("Invalid surface id.\n");
2481 return -EINVAL;
2482 }
2483 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2484 VMW_RES_DIRTY_NONE, user_surface_converter,
2485 &cmd->sid, &srf);
2486 if (unlikely(ret != 0))
2487 return ret;
2488
2489 res = vmw_context_cotable(ctx_node->ctx, vmw_view_cotables[view_type]);
2490 if (IS_ERR_OR_NULL(res))
2491 return res ? PTR_ERR(res) : -EINVAL;
2492 ret = vmw_cotable_notify(res, cmd->defined_id);
2493 if (unlikely(ret != 0))
2494 return ret;
2495
2496 return vmw_view_add(sw_context->man, ctx_node->ctx, srf, view_type,
2497 cmd->defined_id, header,
2498 header->size + sizeof(*header),
2499 &sw_context->staged_cmd_res);
2500}
2501
2502/**
2503 * vmw_cmd_dx_set_so_targets - Validate SVGA_3D_CMD_DX_SET_SOTARGETS command.
2504 *
2505 * @dev_priv: Pointer to a device private struct.
2506 * @sw_context: The software context being used for this batch.
2507 * @header: Pointer to the command header in the command stream.
2508 */
2509static int vmw_cmd_dx_set_so_targets(struct vmw_private *dev_priv,
2510 struct vmw_sw_context *sw_context,
2511 SVGA3dCmdHeader *header)
2512{
2513 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
2514 struct vmw_ctx_bindinfo_so_target binding;
2515 struct vmw_resource *res;
2516 struct {
2517 SVGA3dCmdHeader header;
2518 SVGA3dCmdDXSetSOTargets body;
2519 SVGA3dSoTarget targets[];
2520 } *cmd;
2521 int i, ret, num;
2522
2523 if (!ctx_node)
2524 return -EINVAL;
2525
2526 cmd = container_of(header, typeof(*cmd), header);
2527 num = (cmd->header.size - sizeof(cmd->body)) / sizeof(SVGA3dSoTarget);
2528
2529 if (num > SVGA3D_DX_MAX_SOTARGETS) {
2530 VMW_DEBUG_USER("Invalid DX SO binding.\n");
2531 return -EINVAL;
2532 }
2533
2534 for (i = 0; i < num; i++) {
2535 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2536 VMW_RES_DIRTY_SET,
2537 user_surface_converter,
2538 &cmd->targets[i].sid, &res);
2539 if (unlikely(ret != 0))
2540 return ret;
2541
2542 binding.bi.ctx = ctx_node->ctx;
2543 binding.bi.res = res;
2544 binding.bi.bt = vmw_ctx_binding_so_target;
2545 binding.offset = cmd->targets[i].offset;
2546 binding.size = cmd->targets[i].sizeInBytes;
2547 binding.slot = i;
2548
2549 vmw_binding_add(ctx_node->staged, &binding.bi, 0, binding.slot);
2550 }
2551
2552 return 0;
2553}
2554
2555static int vmw_cmd_dx_so_define(struct vmw_private *dev_priv,
2556 struct vmw_sw_context *sw_context,
2557 SVGA3dCmdHeader *header)
2558{
2559 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
2560 struct vmw_resource *res;
2561 /*
2562 * This is based on the fact that all affected define commands have
2563 * the same initial command body layout.
2564 */
2565 struct {
2566 SVGA3dCmdHeader header;
2567 uint32 defined_id;
2568 } *cmd;
2569 enum vmw_so_type so_type;
2570 int ret;
2571
2572 if (!ctx_node)
2573 return -EINVAL;
2574
2575 so_type = vmw_so_cmd_to_type(header->id);
2576 res = vmw_context_cotable(ctx_node->ctx, vmw_so_cotables[so_type]);
2577 if (IS_ERR_OR_NULL(res))
2578 return res ? PTR_ERR(res) : -EINVAL;
2579 cmd = container_of(header, typeof(*cmd), header);
2580 ret = vmw_cotable_notify(res, cmd->defined_id);
2581
2582 return ret;
2583}
2584
2585/**
2586 * vmw_cmd_dx_check_subresource - Validate SVGA_3D_CMD_DX_[X]_SUBRESOURCE
2587 * command
2588 *
2589 * @dev_priv: Pointer to a device private struct.
2590 * @sw_context: The software context being used for this batch.
2591 * @header: Pointer to the command header in the command stream.
2592 */
2593static int vmw_cmd_dx_check_subresource(struct vmw_private *dev_priv,
2594 struct vmw_sw_context *sw_context,
2595 SVGA3dCmdHeader *header)
2596{
2597 struct {
2598 SVGA3dCmdHeader header;
2599 union {
2600 SVGA3dCmdDXReadbackSubResource r_body;
2601 SVGA3dCmdDXInvalidateSubResource i_body;
2602 SVGA3dCmdDXUpdateSubResource u_body;
2603 SVGA3dSurfaceId sid;
2604 };
2605 } *cmd;
2606
2607 BUILD_BUG_ON(offsetof(typeof(*cmd), r_body.sid) !=
2608 offsetof(typeof(*cmd), sid));
2609 BUILD_BUG_ON(offsetof(typeof(*cmd), i_body.sid) !=
2610 offsetof(typeof(*cmd), sid));
2611 BUILD_BUG_ON(offsetof(typeof(*cmd), u_body.sid) !=
2612 offsetof(typeof(*cmd), sid));
2613
2614 cmd = container_of(header, typeof(*cmd), header);
2615 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2616 VMW_RES_DIRTY_NONE, user_surface_converter,
2617 &cmd->sid, NULL);
2618}
2619
2620static int vmw_cmd_dx_cid_check(struct vmw_private *dev_priv,
2621 struct vmw_sw_context *sw_context,
2622 SVGA3dCmdHeader *header)
2623{
2624 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
2625
2626 if (!ctx_node)
2627 return -EINVAL;
2628
2629 return 0;
2630}
2631
2632/**
2633 * vmw_cmd_dx_view_remove - validate a view remove command and schedule the view
2634 * resource for removal.
2635 *
2636 * @dev_priv: Pointer to a device private struct.
2637 * @sw_context: The software context being used for this batch.
2638 * @header: Pointer to the command header in the command stream.
2639 *
2640 * Check that the view exists, and if it was not created using this command
2641 * batch, conditionally make this command a NOP.
2642 */
2643static int vmw_cmd_dx_view_remove(struct vmw_private *dev_priv,
2644 struct vmw_sw_context *sw_context,
2645 SVGA3dCmdHeader *header)
2646{
2647 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
2648 struct {
2649 SVGA3dCmdHeader header;
2650 union vmw_view_destroy body;
2651 } *cmd = container_of(header, typeof(*cmd), header);
2652 enum vmw_view_type view_type = vmw_view_cmd_to_type(header->id);
2653 struct vmw_resource *view;
2654 int ret;
2655
2656 if (!ctx_node)
2657 return -EINVAL;
2658
2659 ret = vmw_view_remove(sw_context->man, cmd->body.view_id, view_type,
2660 &sw_context->staged_cmd_res, &view);
2661 if (ret || !view)
2662 return ret;
2663
2664 /*
2665 * If the view wasn't created during this command batch, it might
2666 * have been removed due to a context swapout, so add a
2667 * relocation to conditionally make this command a NOP to avoid
2668 * device errors.
2669 */
2670 return vmw_resource_relocation_add(sw_context, view,
2671 vmw_ptr_diff(sw_context->buf_start,
2672 &cmd->header.id),
2673 vmw_res_rel_cond_nop);
2674}
2675
2676/**
2677 * vmw_cmd_dx_define_shader - Validate SVGA_3D_CMD_DX_DEFINE_SHADER command
2678 *
2679 * @dev_priv: Pointer to a device private struct.
2680 * @sw_context: The software context being used for this batch.
2681 * @header: Pointer to the command header in the command stream.
2682 */
2683static int vmw_cmd_dx_define_shader(struct vmw_private *dev_priv,
2684 struct vmw_sw_context *sw_context,
2685 SVGA3dCmdHeader *header)
2686{
2687 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
2688 struct vmw_resource *res;
2689 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXDefineShader) =
2690 container_of(header, typeof(*cmd), header);
2691 int ret;
2692
2693 if (!ctx_node)
2694 return -EINVAL;
2695
2696 res = vmw_context_cotable(ctx_node->ctx, SVGA_COTABLE_DXSHADER);
2697 if (IS_ERR_OR_NULL(res))
2698 return res ? PTR_ERR(res) : -EINVAL;
2699 ret = vmw_cotable_notify(res, cmd->body.shaderId);
2700 if (ret)
2701 return ret;
2702
2703 return vmw_dx_shader_add(sw_context->man, ctx_node->ctx,
2704 cmd->body.shaderId, cmd->body.type,
2705 &sw_context->staged_cmd_res);
2706}
2707
2708/**
2709 * vmw_cmd_dx_destroy_shader - Validate SVGA_3D_CMD_DX_DESTROY_SHADER command
2710 *
2711 * @dev_priv: Pointer to a device private struct.
2712 * @sw_context: The software context being used for this batch.
2713 * @header: Pointer to the command header in the command stream.
2714 */
2715static int vmw_cmd_dx_destroy_shader(struct vmw_private *dev_priv,
2716 struct vmw_sw_context *sw_context,
2717 SVGA3dCmdHeader *header)
2718{
2719 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
2720 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXDestroyShader) =
2721 container_of(header, typeof(*cmd), header);
2722 int ret;
2723
2724 if (!ctx_node)
2725 return -EINVAL;
2726
2727 ret = vmw_shader_remove(sw_context->man, cmd->body.shaderId, 0,
2728 &sw_context->staged_cmd_res);
2729
2730 return ret;
2731}
2732
2733/**
2734 * vmw_cmd_dx_bind_shader - Validate SVGA_3D_CMD_DX_BIND_SHADER command
2735 *
2736 * @dev_priv: Pointer to a device private struct.
2737 * @sw_context: The software context being used for this batch.
2738 * @header: Pointer to the command header in the command stream.
2739 */
2740static int vmw_cmd_dx_bind_shader(struct vmw_private *dev_priv,
2741 struct vmw_sw_context *sw_context,
2742 SVGA3dCmdHeader *header)
2743{
2744 struct vmw_resource *ctx;
2745 struct vmw_resource *res;
2746 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXBindShader) =
2747 container_of(header, typeof(*cmd), header);
2748 int ret;
2749
2750 if (cmd->body.cid != SVGA3D_INVALID_ID) {
2751 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
2752 VMW_RES_DIRTY_SET,
2753 user_context_converter, &cmd->body.cid,
2754 &ctx);
2755 if (ret)
2756 return ret;
2757 } else {
2758 struct vmw_ctx_validation_info *ctx_node =
2759 VMW_GET_CTX_NODE(sw_context);
2760
2761 if (!ctx_node)
2762 return -EINVAL;
2763
2764 ctx = ctx_node->ctx;
2765 }
2766
2767 res = vmw_shader_lookup(vmw_context_res_man(ctx), cmd->body.shid, 0);
2768 if (IS_ERR(res)) {
2769 VMW_DEBUG_USER("Could not find shader to bind.\n");
2770 return PTR_ERR(res);
2771 }
2772
2773 ret = vmw_execbuf_res_val_add(sw_context, res, VMW_RES_DIRTY_NONE,
2774 vmw_val_add_flag_noctx);
2775 if (ret) {
2776 VMW_DEBUG_USER("Error creating resource validation node.\n");
2777 return ret;
2778 }
2779
2780 return vmw_cmd_res_switch_backup(dev_priv, sw_context, res,
2781 &cmd->body.mobid,
2782 cmd->body.offsetInBytes);
2783}
2784
2785/**
2786 * vmw_cmd_dx_genmips - Validate SVGA_3D_CMD_DX_GENMIPS command
2787 *
2788 * @dev_priv: Pointer to a device private struct.
2789 * @sw_context: The software context being used for this batch.
2790 * @header: Pointer to the command header in the command stream.
2791 */
2792static int vmw_cmd_dx_genmips(struct vmw_private *dev_priv,
2793 struct vmw_sw_context *sw_context,
2794 SVGA3dCmdHeader *header)
2795{
2796 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXGenMips) =
2797 container_of(header, typeof(*cmd), header);
2798 struct vmw_resource *view;
2799 struct vmw_res_cache_entry *rcache;
2800
2801 view = vmw_view_id_val_add(sw_context, vmw_view_sr,
2802 cmd->body.shaderResourceViewId);
2803 if (IS_ERR(view))
2804 return PTR_ERR(view);
2805
2806 /*
2807 * Normally the shader-resource view is not gpu-dirtying, but for
2808 * this particular command it is...
2809 * So mark the last looked-up surface, which is the surface
2810 * the view points to, gpu-dirty.
2811 */
2812 rcache = &sw_context->res_cache[vmw_res_surface];
2813 vmw_validation_res_set_dirty(sw_context->ctx, rcache->private,
2814 VMW_RES_DIRTY_SET);
2815 return 0;
2816}
2817
2818/**
2819 * vmw_cmd_dx_transfer_from_buffer - Validate
2820 * SVGA_3D_CMD_DX_TRANSFER_FROM_BUFFER command
2821 *
2822 * @dev_priv: Pointer to a device private struct.
2823 * @sw_context: The software context being used for this batch.
2824 * @header: Pointer to the command header in the command stream.
2825 */
2826static int vmw_cmd_dx_transfer_from_buffer(struct vmw_private *dev_priv,
2827 struct vmw_sw_context *sw_context,
2828 SVGA3dCmdHeader *header)
2829{
2830 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXTransferFromBuffer) =
2831 container_of(header, typeof(*cmd), header);
2832 int ret;
2833
2834 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2835 VMW_RES_DIRTY_NONE, user_surface_converter,
2836 &cmd->body.srcSid, NULL);
2837 if (ret != 0)
2838 return ret;
2839
2840 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2841 VMW_RES_DIRTY_SET, user_surface_converter,
2842 &cmd->body.destSid, NULL);
2843}
2844
2845/**
2846 * vmw_cmd_intra_surface_copy - Validate SVGA_3D_CMD_INTRA_SURFACE_COPY command
2847 *
2848 * @dev_priv: Pointer to a device private struct.
2849 * @sw_context: The software context being used for this batch.
2850 * @header: Pointer to the command header in the command stream.
2851 */
2852static int vmw_cmd_intra_surface_copy(struct vmw_private *dev_priv,
2853 struct vmw_sw_context *sw_context,
2854 SVGA3dCmdHeader *header)
2855{
2856 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdIntraSurfaceCopy) =
2857 container_of(header, typeof(*cmd), header);
2858
2859 if (!(dev_priv->capabilities2 & SVGA_CAP2_INTRA_SURFACE_COPY))
2860 return -EINVAL;
2861
2862 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2863 VMW_RES_DIRTY_SET, user_surface_converter,
2864 &cmd->body.surface.sid, NULL);
2865}
2866
2867static int vmw_cmd_sm5(struct vmw_private *dev_priv,
2868 struct vmw_sw_context *sw_context,
2869 SVGA3dCmdHeader *header)
2870{
2871 if (!has_sm5_context(dev_priv))
2872 return -EINVAL;
2873
2874 return 0;
2875}
2876
2877static int vmw_cmd_sm5_view_define(struct vmw_private *dev_priv,
2878 struct vmw_sw_context *sw_context,
2879 SVGA3dCmdHeader *header)
2880{
2881 if (!has_sm5_context(dev_priv))
2882 return -EINVAL;
2883
2884 return vmw_cmd_dx_view_define(dev_priv, sw_context, header);
2885}
2886
2887static int vmw_cmd_sm5_view_remove(struct vmw_private *dev_priv,
2888 struct vmw_sw_context *sw_context,
2889 SVGA3dCmdHeader *header)
2890{
2891 if (!has_sm5_context(dev_priv))
2892 return -EINVAL;
2893
2894 return vmw_cmd_dx_view_remove(dev_priv, sw_context, header);
2895}
2896
2897static int vmw_cmd_clear_uav_uint(struct vmw_private *dev_priv,
2898 struct vmw_sw_context *sw_context,
2899 SVGA3dCmdHeader *header)
2900{
2901 struct {
2902 SVGA3dCmdHeader header;
2903 SVGA3dCmdDXClearUAViewUint body;
2904 } *cmd = container_of(header, typeof(*cmd), header);
2905 struct vmw_resource *ret;
2906
2907 if (!has_sm5_context(dev_priv))
2908 return -EINVAL;
2909
2910 ret = vmw_view_id_val_add(sw_context, vmw_view_ua,
2911 cmd->body.uaViewId);
2912
2913 return PTR_ERR_OR_ZERO(ret);
2914}
2915
2916static int vmw_cmd_clear_uav_float(struct vmw_private *dev_priv,
2917 struct vmw_sw_context *sw_context,
2918 SVGA3dCmdHeader *header)
2919{
2920 struct {
2921 SVGA3dCmdHeader header;
2922 SVGA3dCmdDXClearUAViewFloat body;
2923 } *cmd = container_of(header, typeof(*cmd), header);
2924 struct vmw_resource *ret;
2925
2926 if (!has_sm5_context(dev_priv))
2927 return -EINVAL;
2928
2929 ret = vmw_view_id_val_add(sw_context, vmw_view_ua,
2930 cmd->body.uaViewId);
2931
2932 return PTR_ERR_OR_ZERO(ret);
2933}
2934
2935static int vmw_cmd_set_uav(struct vmw_private *dev_priv,
2936 struct vmw_sw_context *sw_context,
2937 SVGA3dCmdHeader *header)
2938{
2939 struct {
2940 SVGA3dCmdHeader header;
2941 SVGA3dCmdDXSetUAViews body;
2942 } *cmd = container_of(header, typeof(*cmd), header);
2943 u32 num_uav = (cmd->header.size - sizeof(cmd->body)) /
2944 sizeof(SVGA3dUAViewId);
2945 int ret;
2946
2947 if (!has_sm5_context(dev_priv))
2948 return -EINVAL;
2949
2950 if (num_uav > vmw_max_num_uavs(dev_priv)) {
2951 VMW_DEBUG_USER("Invalid UAV binding.\n");
2952 return -EINVAL;
2953 }
2954
2955 ret = vmw_view_bindings_add(sw_context, vmw_view_ua,
2956 vmw_ctx_binding_uav, 0, (void *)&cmd[1],
2957 num_uav, 0);
2958 if (ret)
2959 return ret;
2960
2961 vmw_binding_add_uav_index(sw_context->dx_ctx_node->staged, 0,
2962 cmd->body.uavSpliceIndex);
2963
2964 return ret;
2965}
2966
2967static int vmw_cmd_set_cs_uav(struct vmw_private *dev_priv,
2968 struct vmw_sw_context *sw_context,
2969 SVGA3dCmdHeader *header)
2970{
2971 struct {
2972 SVGA3dCmdHeader header;
2973 SVGA3dCmdDXSetCSUAViews body;
2974 } *cmd = container_of(header, typeof(*cmd), header);
2975 u32 num_uav = (cmd->header.size - sizeof(cmd->body)) /
2976 sizeof(SVGA3dUAViewId);
2977 int ret;
2978
2979 if (!has_sm5_context(dev_priv))
2980 return -EINVAL;
2981
2982 if (num_uav > vmw_max_num_uavs(dev_priv)) {
2983 VMW_DEBUG_USER("Invalid UAV binding.\n");
2984 return -EINVAL;
2985 }
2986
2987 ret = vmw_view_bindings_add(sw_context, vmw_view_ua,
2988 vmw_ctx_binding_cs_uav, 0, (void *)&cmd[1],
2989 num_uav, 0);
2990 if (ret)
2991 return ret;
2992
2993 vmw_binding_add_uav_index(sw_context->dx_ctx_node->staged, 1,
2994 cmd->body.startIndex);
2995
2996 return ret;
2997}
2998
2999static int vmw_cmd_dx_define_streamoutput(struct vmw_private *dev_priv,
3000 struct vmw_sw_context *sw_context,
3001 SVGA3dCmdHeader *header)
3002{
3003 struct vmw_ctx_validation_info *ctx_node = sw_context->dx_ctx_node;
3004 struct vmw_resource *res;
3005 struct {
3006 SVGA3dCmdHeader header;
3007 SVGA3dCmdDXDefineStreamOutputWithMob body;
3008 } *cmd = container_of(header, typeof(*cmd), header);
3009 int ret;
3010
3011 if (!has_sm5_context(dev_priv))
3012 return -EINVAL;
3013
3014 if (!ctx_node) {
3015 DRM_ERROR("DX Context not set.\n");
3016 return -EINVAL;
3017 }
3018
3019 res = vmw_context_cotable(ctx_node->ctx, SVGA_COTABLE_STREAMOUTPUT);
3020 if (IS_ERR_OR_NULL(res))
3021 return res ? PTR_ERR(res) : -EINVAL;
3022 ret = vmw_cotable_notify(res, cmd->body.soid);
3023 if (ret)
3024 return ret;
3025
3026 return vmw_dx_streamoutput_add(sw_context->man, ctx_node->ctx,
3027 cmd->body.soid,
3028 &sw_context->staged_cmd_res);
3029}
3030
3031static int vmw_cmd_dx_destroy_streamoutput(struct vmw_private *dev_priv,
3032 struct vmw_sw_context *sw_context,
3033 SVGA3dCmdHeader *header)
3034{
3035 struct vmw_ctx_validation_info *ctx_node = sw_context->dx_ctx_node;
3036 struct vmw_resource *res;
3037 struct {
3038 SVGA3dCmdHeader header;
3039 SVGA3dCmdDXDestroyStreamOutput body;
3040 } *cmd = container_of(header, typeof(*cmd), header);
3041
3042 if (!ctx_node) {
3043 DRM_ERROR("DX Context not set.\n");
3044 return -EINVAL;
3045 }
3046
3047 /*
3048 * When device does not support SM5 then streamoutput with mob command is
3049 * not available to user-space. Simply return in this case.
3050 */
3051 if (!has_sm5_context(dev_priv))
3052 return 0;
3053
3054 /*
3055 * With SM5 capable device if lookup fails then user-space probably used
3056 * old streamoutput define command. Return without an error.
3057 */
3058 res = vmw_dx_streamoutput_lookup(vmw_context_res_man(ctx_node->ctx),
3059 cmd->body.soid);
3060 if (IS_ERR(res))
3061 return 0;
3062
3063 return vmw_dx_streamoutput_remove(sw_context->man, cmd->body.soid,
3064 &sw_context->staged_cmd_res);
3065}
3066
3067static int vmw_cmd_dx_bind_streamoutput(struct vmw_private *dev_priv,
3068 struct vmw_sw_context *sw_context,
3069 SVGA3dCmdHeader *header)
3070{
3071 struct vmw_ctx_validation_info *ctx_node = sw_context->dx_ctx_node;
3072 struct vmw_resource *res;
3073 struct {
3074 SVGA3dCmdHeader header;
3075 SVGA3dCmdDXBindStreamOutput body;
3076 } *cmd = container_of(header, typeof(*cmd), header);
3077 int ret;
3078
3079 if (!has_sm5_context(dev_priv))
3080 return -EINVAL;
3081
3082 if (!ctx_node) {
3083 DRM_ERROR("DX Context not set.\n");
3084 return -EINVAL;
3085 }
3086
3087 res = vmw_dx_streamoutput_lookup(vmw_context_res_man(ctx_node->ctx),
3088 cmd->body.soid);
3089 if (IS_ERR(res)) {
3090 DRM_ERROR("Could not find streamoutput to bind.\n");
3091 return PTR_ERR(res);
3092 }
3093
3094 vmw_dx_streamoutput_set_size(res, cmd->body.sizeInBytes);
3095
3096 ret = vmw_execbuf_res_val_add(sw_context, res, VMW_RES_DIRTY_NONE,
3097 vmw_val_add_flag_noctx);
3098 if (ret) {
3099 DRM_ERROR("Error creating resource validation node.\n");
3100 return ret;
3101 }
3102
3103 return vmw_cmd_res_switch_backup(dev_priv, sw_context, res,
3104 &cmd->body.mobid,
3105 cmd->body.offsetInBytes);
3106}
3107
3108static int vmw_cmd_dx_set_streamoutput(struct vmw_private *dev_priv,
3109 struct vmw_sw_context *sw_context,
3110 SVGA3dCmdHeader *header)
3111{
3112 struct vmw_ctx_validation_info *ctx_node = sw_context->dx_ctx_node;
3113 struct vmw_resource *res;
3114 struct vmw_ctx_bindinfo_so binding;
3115 struct {
3116 SVGA3dCmdHeader header;
3117 SVGA3dCmdDXSetStreamOutput body;
3118 } *cmd = container_of(header, typeof(*cmd), header);
3119 int ret;
3120
3121 if (!ctx_node) {
3122 DRM_ERROR("DX Context not set.\n");
3123 return -EINVAL;
3124 }
3125
3126 if (cmd->body.soid == SVGA3D_INVALID_ID)
3127 return 0;
3128
3129 /*
3130 * When device does not support SM5 then streamoutput with mob command is
3131 * not available to user-space. Simply return in this case.
3132 */
3133 if (!has_sm5_context(dev_priv))
3134 return 0;
3135
3136 /*
3137 * With SM5 capable device if lookup fails then user-space probably used
3138 * old streamoutput define command. Return without an error.
3139 */
3140 res = vmw_dx_streamoutput_lookup(vmw_context_res_man(ctx_node->ctx),
3141 cmd->body.soid);
3142 if (IS_ERR(res)) {
3143 return 0;
3144 }
3145
3146 ret = vmw_execbuf_res_val_add(sw_context, res, VMW_RES_DIRTY_NONE,
3147 vmw_val_add_flag_noctx);
3148 if (ret) {
3149 DRM_ERROR("Error creating resource validation node.\n");
3150 return ret;
3151 }
3152
3153 binding.bi.ctx = ctx_node->ctx;
3154 binding.bi.res = res;
3155 binding.bi.bt = vmw_ctx_binding_so;
3156 binding.slot = 0; /* Only one SO set to context at a time. */
3157
3158 vmw_binding_add(sw_context->dx_ctx_node->staged, &binding.bi, 0,
3159 binding.slot);
3160
3161 return ret;
3162}
3163
3164static int vmw_cmd_indexed_instanced_indirect(struct vmw_private *dev_priv,
3165 struct vmw_sw_context *sw_context,
3166 SVGA3dCmdHeader *header)
3167{
3168 struct vmw_draw_indexed_instanced_indirect_cmd {
3169 SVGA3dCmdHeader header;
3170 SVGA3dCmdDXDrawIndexedInstancedIndirect body;
3171 } *cmd = container_of(header, typeof(*cmd), header);
3172
3173 if (!has_sm5_context(dev_priv))
3174 return -EINVAL;
3175
3176 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
3177 VMW_RES_DIRTY_NONE, user_surface_converter,
3178 &cmd->body.argsBufferSid, NULL);
3179}
3180
3181static int vmw_cmd_instanced_indirect(struct vmw_private *dev_priv,
3182 struct vmw_sw_context *sw_context,
3183 SVGA3dCmdHeader *header)
3184{
3185 struct vmw_draw_instanced_indirect_cmd {
3186 SVGA3dCmdHeader header;
3187 SVGA3dCmdDXDrawInstancedIndirect body;
3188 } *cmd = container_of(header, typeof(*cmd), header);
3189
3190 if (!has_sm5_context(dev_priv))
3191 return -EINVAL;
3192
3193 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
3194 VMW_RES_DIRTY_NONE, user_surface_converter,
3195 &cmd->body.argsBufferSid, NULL);
3196}
3197
3198static int vmw_cmd_dispatch_indirect(struct vmw_private *dev_priv,
3199 struct vmw_sw_context *sw_context,
3200 SVGA3dCmdHeader *header)
3201{
3202 struct vmw_dispatch_indirect_cmd {
3203 SVGA3dCmdHeader header;
3204 SVGA3dCmdDXDispatchIndirect body;
3205 } *cmd = container_of(header, typeof(*cmd), header);
3206
3207 if (!has_sm5_context(dev_priv))
3208 return -EINVAL;
3209
3210 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
3211 VMW_RES_DIRTY_NONE, user_surface_converter,
3212 &cmd->body.argsBufferSid, NULL);
3213}
3214
3215static int vmw_cmd_check_not_3d(struct vmw_private *dev_priv,
3216 struct vmw_sw_context *sw_context,
3217 void *buf, uint32_t *size)
3218{
3219 uint32_t size_remaining = *size;
3220 uint32_t cmd_id;
3221
3222 cmd_id = ((uint32_t *)buf)[0];
3223 switch (cmd_id) {
3224 case SVGA_CMD_UPDATE:
3225 *size = sizeof(uint32_t) + sizeof(SVGAFifoCmdUpdate);
3226 break;
3227 case SVGA_CMD_DEFINE_GMRFB:
3228 *size = sizeof(uint32_t) + sizeof(SVGAFifoCmdDefineGMRFB);
3229 break;
3230 case SVGA_CMD_BLIT_GMRFB_TO_SCREEN:
3231 *size = sizeof(uint32_t) + sizeof(SVGAFifoCmdBlitGMRFBToScreen);
3232 break;
3233 case SVGA_CMD_BLIT_SCREEN_TO_GMRFB:
3234 *size = sizeof(uint32_t) + sizeof(SVGAFifoCmdBlitGMRFBToScreen);
3235 break;
3236 default:
3237 VMW_DEBUG_USER("Unsupported SVGA command: %u.\n", cmd_id);
3238 return -EINVAL;
3239 }
3240
3241 if (*size > size_remaining) {
3242 VMW_DEBUG_USER("Invalid SVGA command (size mismatch): %u.\n",
3243 cmd_id);
3244 return -EINVAL;
3245 }
3246
3247 if (unlikely(!sw_context->kernel)) {
3248 VMW_DEBUG_USER("Kernel only SVGA command: %u.\n", cmd_id);
3249 return -EPERM;
3250 }
3251
3252 if (cmd_id == SVGA_CMD_DEFINE_GMRFB)
3253 return vmw_cmd_check_define_gmrfb(dev_priv, sw_context, buf);
3254
3255 return 0;
3256}
3257
3258static const struct vmw_cmd_entry vmw_cmd_entries[SVGA_3D_CMD_MAX] = {
3259 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DEFINE, &vmw_cmd_invalid,
3260 false, false, false),
3261 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DESTROY, &vmw_cmd_invalid,
3262 false, false, false),
3263 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_COPY, &vmw_cmd_surface_copy_check,
3264 true, false, false),
3265 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_STRETCHBLT, &vmw_cmd_stretch_blt_check,
3266 true, false, false),
3267 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DMA, &vmw_cmd_dma,
3268 true, false, false),
3269 VMW_CMD_DEF(SVGA_3D_CMD_CONTEXT_DEFINE, &vmw_cmd_invalid,
3270 false, false, false),
3271 VMW_CMD_DEF(SVGA_3D_CMD_CONTEXT_DESTROY, &vmw_cmd_invalid,
3272 false, false, false),
3273 VMW_CMD_DEF(SVGA_3D_CMD_SETTRANSFORM, &vmw_cmd_cid_check,
3274 true, false, false),
3275 VMW_CMD_DEF(SVGA_3D_CMD_SETZRANGE, &vmw_cmd_cid_check,
3276 true, false, false),
3277 VMW_CMD_DEF(SVGA_3D_CMD_SETRENDERSTATE, &vmw_cmd_cid_check,
3278 true, false, false),
3279 VMW_CMD_DEF(SVGA_3D_CMD_SETRENDERTARGET,
3280 &vmw_cmd_set_render_target_check, true, false, false),
3281 VMW_CMD_DEF(SVGA_3D_CMD_SETTEXTURESTATE, &vmw_cmd_tex_state,
3282 true, false, false),
3283 VMW_CMD_DEF(SVGA_3D_CMD_SETMATERIAL, &vmw_cmd_cid_check,
3284 true, false, false),
3285 VMW_CMD_DEF(SVGA_3D_CMD_SETLIGHTDATA, &vmw_cmd_cid_check,
3286 true, false, false),
3287 VMW_CMD_DEF(SVGA_3D_CMD_SETLIGHTENABLED, &vmw_cmd_cid_check,
3288 true, false, false),
3289 VMW_CMD_DEF(SVGA_3D_CMD_SETVIEWPORT, &vmw_cmd_cid_check,
3290 true, false, false),
3291 VMW_CMD_DEF(SVGA_3D_CMD_SETCLIPPLANE, &vmw_cmd_cid_check,
3292 true, false, false),
3293 VMW_CMD_DEF(SVGA_3D_CMD_CLEAR, &vmw_cmd_cid_check,
3294 true, false, false),
3295 VMW_CMD_DEF(SVGA_3D_CMD_PRESENT, &vmw_cmd_present_check,
3296 false, false, false),
3297 VMW_CMD_DEF(SVGA_3D_CMD_SHADER_DEFINE, &vmw_cmd_shader_define,
3298 true, false, false),
3299 VMW_CMD_DEF(SVGA_3D_CMD_SHADER_DESTROY, &vmw_cmd_shader_destroy,
3300 true, false, false),
3301 VMW_CMD_DEF(SVGA_3D_CMD_SET_SHADER, &vmw_cmd_set_shader,
3302 true, false, false),
3303 VMW_CMD_DEF(SVGA_3D_CMD_SET_SHADER_CONST, &vmw_cmd_set_shader_const,
3304 true, false, false),
3305 VMW_CMD_DEF(SVGA_3D_CMD_DRAW_PRIMITIVES, &vmw_cmd_draw,
3306 true, false, false),
3307 VMW_CMD_DEF(SVGA_3D_CMD_SETSCISSORRECT, &vmw_cmd_cid_check,
3308 true, false, false),
3309 VMW_CMD_DEF(SVGA_3D_CMD_BEGIN_QUERY, &vmw_cmd_begin_query,
3310 true, false, false),
3311 VMW_CMD_DEF(SVGA_3D_CMD_END_QUERY, &vmw_cmd_end_query,
3312 true, false, false),
3313 VMW_CMD_DEF(SVGA_3D_CMD_WAIT_FOR_QUERY, &vmw_cmd_wait_query,
3314 true, false, false),
3315 VMW_CMD_DEF(SVGA_3D_CMD_PRESENT_READBACK, &vmw_cmd_ok,
3316 true, false, false),
3317 VMW_CMD_DEF(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN,
3318 &vmw_cmd_blt_surf_screen_check, false, false, false),
3319 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DEFINE_V2, &vmw_cmd_invalid,
3320 false, false, false),
3321 VMW_CMD_DEF(SVGA_3D_CMD_GENERATE_MIPMAPS, &vmw_cmd_invalid,
3322 false, false, false),
3323 VMW_CMD_DEF(SVGA_3D_CMD_ACTIVATE_SURFACE, &vmw_cmd_invalid,
3324 false, false, false),
3325 VMW_CMD_DEF(SVGA_3D_CMD_DEACTIVATE_SURFACE, &vmw_cmd_invalid,
3326 false, false, false),
3327 VMW_CMD_DEF(SVGA_3D_CMD_SCREEN_DMA, &vmw_cmd_invalid,
3328 false, false, false),
3329 VMW_CMD_DEF(SVGA_3D_CMD_DEAD1, &vmw_cmd_invalid,
3330 false, false, false),
3331 VMW_CMD_DEF(SVGA_3D_CMD_DEAD2, &vmw_cmd_invalid,
3332 false, false, false),
3333 VMW_CMD_DEF(SVGA_3D_CMD_DEAD12, &vmw_cmd_invalid, false, false, false),
3334 VMW_CMD_DEF(SVGA_3D_CMD_DEAD13, &vmw_cmd_invalid, false, false, false),
3335 VMW_CMD_DEF(SVGA_3D_CMD_DEAD14, &vmw_cmd_invalid, false, false, false),
3336 VMW_CMD_DEF(SVGA_3D_CMD_DEAD15, &vmw_cmd_invalid, false, false, false),
3337 VMW_CMD_DEF(SVGA_3D_CMD_DEAD16, &vmw_cmd_invalid, false, false, false),
3338 VMW_CMD_DEF(SVGA_3D_CMD_DEAD17, &vmw_cmd_invalid, false, false, false),
3339 VMW_CMD_DEF(SVGA_3D_CMD_SET_OTABLE_BASE, &vmw_cmd_invalid,
3340 false, false, true),
3341 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_OTABLE, &vmw_cmd_invalid,
3342 false, false, true),
3343 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_MOB, &vmw_cmd_invalid,
3344 false, false, true),
3345 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_MOB, &vmw_cmd_invalid,
3346 false, false, true),
3347 VMW_CMD_DEF(SVGA_3D_CMD_REDEFINE_GB_MOB64, &vmw_cmd_invalid,
3348 false, false, true),
3349 VMW_CMD_DEF(SVGA_3D_CMD_UPDATE_GB_MOB_MAPPING, &vmw_cmd_invalid,
3350 false, false, true),
3351 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SURFACE, &vmw_cmd_invalid,
3352 false, false, true),
3353 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_SURFACE, &vmw_cmd_invalid,
3354 false, false, true),
3355 VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_SURFACE, &vmw_cmd_bind_gb_surface,
3356 true, false, true),
3357 VMW_CMD_DEF(SVGA_3D_CMD_COND_BIND_GB_SURFACE, &vmw_cmd_invalid,
3358 false, false, true),
3359 VMW_CMD_DEF(SVGA_3D_CMD_UPDATE_GB_IMAGE, &vmw_cmd_update_gb_image,
3360 true, false, true),
3361 VMW_CMD_DEF(SVGA_3D_CMD_UPDATE_GB_SURFACE,
3362 &vmw_cmd_update_gb_surface, true, false, true),
3363 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_GB_IMAGE,
3364 &vmw_cmd_readback_gb_image, true, false, true),
3365 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_GB_SURFACE,
3366 &vmw_cmd_readback_gb_surface, true, false, true),
3367 VMW_CMD_DEF(SVGA_3D_CMD_INVALIDATE_GB_IMAGE,
3368 &vmw_cmd_invalidate_gb_image, true, false, true),
3369 VMW_CMD_DEF(SVGA_3D_CMD_INVALIDATE_GB_SURFACE,
3370 &vmw_cmd_invalidate_gb_surface, true, false, true),
3371 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_CONTEXT, &vmw_cmd_invalid,
3372 false, false, true),
3373 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_CONTEXT, &vmw_cmd_invalid,
3374 false, false, true),
3375 VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_CONTEXT, &vmw_cmd_invalid,
3376 false, false, true),
3377 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_GB_CONTEXT, &vmw_cmd_invalid,
3378 false, false, true),
3379 VMW_CMD_DEF(SVGA_3D_CMD_INVALIDATE_GB_CONTEXT, &vmw_cmd_invalid,
3380 false, false, true),
3381 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SHADER, &vmw_cmd_invalid,
3382 false, false, true),
3383 VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_SHADER, &vmw_cmd_bind_gb_shader,
3384 true, false, true),
3385 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_SHADER, &vmw_cmd_invalid,
3386 false, false, true),
3387 VMW_CMD_DEF(SVGA_3D_CMD_SET_OTABLE_BASE64, &vmw_cmd_invalid,
3388 false, false, false),
3389 VMW_CMD_DEF(SVGA_3D_CMD_BEGIN_GB_QUERY, &vmw_cmd_begin_gb_query,
3390 true, false, true),
3391 VMW_CMD_DEF(SVGA_3D_CMD_END_GB_QUERY, &vmw_cmd_end_gb_query,
3392 true, false, true),
3393 VMW_CMD_DEF(SVGA_3D_CMD_WAIT_FOR_GB_QUERY, &vmw_cmd_wait_gb_query,
3394 true, false, true),
3395 VMW_CMD_DEF(SVGA_3D_CMD_NOP, &vmw_cmd_ok,
3396 true, false, true),
3397 VMW_CMD_DEF(SVGA_3D_CMD_NOP_ERROR, &vmw_cmd_ok,
3398 true, false, true),
3399 VMW_CMD_DEF(SVGA_3D_CMD_ENABLE_GART, &vmw_cmd_invalid,
3400 false, false, true),
3401 VMW_CMD_DEF(SVGA_3D_CMD_DISABLE_GART, &vmw_cmd_invalid,
3402 false, false, true),
3403 VMW_CMD_DEF(SVGA_3D_CMD_MAP_MOB_INTO_GART, &vmw_cmd_invalid,
3404 false, false, true),
3405 VMW_CMD_DEF(SVGA_3D_CMD_UNMAP_GART_RANGE, &vmw_cmd_invalid,
3406 false, false, true),
3407 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SCREENTARGET, &vmw_cmd_invalid,
3408 false, false, true),
3409 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_SCREENTARGET, &vmw_cmd_invalid,
3410 false, false, true),
3411 VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_SCREENTARGET, &vmw_cmd_invalid,
3412 false, false, true),
3413 VMW_CMD_DEF(SVGA_3D_CMD_UPDATE_GB_SCREENTARGET, &vmw_cmd_invalid,
3414 false, false, true),
3415 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_GB_IMAGE_PARTIAL, &vmw_cmd_invalid,
3416 false, false, true),
3417 VMW_CMD_DEF(SVGA_3D_CMD_INVALIDATE_GB_IMAGE_PARTIAL, &vmw_cmd_invalid,
3418 false, false, true),
3419 VMW_CMD_DEF(SVGA_3D_CMD_SET_GB_SHADERCONSTS_INLINE, &vmw_cmd_cid_check,
3420 true, false, true),
3421 VMW_CMD_DEF(SVGA_3D_CMD_GB_SCREEN_DMA, &vmw_cmd_invalid,
3422 false, false, true),
3423 VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_SURFACE_WITH_PITCH, &vmw_cmd_invalid,
3424 false, false, true),
3425 VMW_CMD_DEF(SVGA_3D_CMD_GB_MOB_FENCE, &vmw_cmd_invalid,
3426 false, false, true),
3427 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SURFACE_V2, &vmw_cmd_invalid,
3428 false, false, true),
3429
3430 /* SM commands */
3431 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_CONTEXT, &vmw_cmd_invalid,
3432 false, false, true),
3433 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_CONTEXT, &vmw_cmd_invalid,
3434 false, false, true),
3435 VMW_CMD_DEF(SVGA_3D_CMD_DX_BIND_CONTEXT, &vmw_cmd_invalid,
3436 false, false, true),
3437 VMW_CMD_DEF(SVGA_3D_CMD_DX_READBACK_CONTEXT, &vmw_cmd_invalid,
3438 false, false, true),
3439 VMW_CMD_DEF(SVGA_3D_CMD_DX_INVALIDATE_CONTEXT, &vmw_cmd_invalid,
3440 false, false, true),
3441 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SINGLE_CONSTANT_BUFFER,
3442 &vmw_cmd_dx_set_single_constant_buffer, true, false, true),
3443 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SHADER_RESOURCES,
3444 &vmw_cmd_dx_set_shader_res, true, false, true),
3445 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SHADER, &vmw_cmd_dx_set_shader,
3446 true, false, true),
3447 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SAMPLERS, &vmw_cmd_dx_cid_check,
3448 true, false, true),
3449 VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW, &vmw_cmd_dx_cid_check,
3450 true, false, true),
3451 VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW_INDEXED, &vmw_cmd_dx_cid_check,
3452 true, false, true),
3453 VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW_INSTANCED, &vmw_cmd_dx_cid_check,
3454 true, false, true),
3455 VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW_INDEXED_INSTANCED,
3456 &vmw_cmd_dx_cid_check, true, false, true),
3457 VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW_AUTO, &vmw_cmd_dx_cid_check,
3458 true, false, true),
3459 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_VERTEX_BUFFERS,
3460 &vmw_cmd_dx_set_vertex_buffers, true, false, true),
3461 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_INDEX_BUFFER,
3462 &vmw_cmd_dx_set_index_buffer, true, false, true),
3463 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_RENDERTARGETS,
3464 &vmw_cmd_dx_set_rendertargets, true, false, true),
3465 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_BLEND_STATE, &vmw_cmd_dx_cid_check,
3466 true, false, true),
3467 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_DEPTHSTENCIL_STATE,
3468 &vmw_cmd_dx_cid_check, true, false, true),
3469 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_RASTERIZER_STATE,
3470 &vmw_cmd_dx_cid_check, true, false, true),
3471 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_QUERY, &vmw_cmd_dx_define_query,
3472 true, false, true),
3473 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_QUERY, &vmw_cmd_dx_cid_check,
3474 true, false, true),
3475 VMW_CMD_DEF(SVGA_3D_CMD_DX_BIND_QUERY, &vmw_cmd_dx_bind_query,
3476 true, false, true),
3477 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_QUERY_OFFSET,
3478 &vmw_cmd_dx_cid_check, true, false, true),
3479 VMW_CMD_DEF(SVGA_3D_CMD_DX_BEGIN_QUERY, &vmw_cmd_dx_cid_check,
3480 true, false, true),
3481 VMW_CMD_DEF(SVGA_3D_CMD_DX_END_QUERY, &vmw_cmd_dx_cid_check,
3482 true, false, true),
3483 VMW_CMD_DEF(SVGA_3D_CMD_DX_READBACK_QUERY, &vmw_cmd_invalid,
3484 true, false, true),
3485 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_PREDICATION, &vmw_cmd_dx_cid_check,
3486 true, false, true),
3487 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_VIEWPORTS, &vmw_cmd_dx_cid_check,
3488 true, false, true),
3489 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SCISSORRECTS, &vmw_cmd_dx_cid_check,
3490 true, false, true),
3491 VMW_CMD_DEF(SVGA_3D_CMD_DX_CLEAR_RENDERTARGET_VIEW,
3492 &vmw_cmd_dx_clear_rendertarget_view, true, false, true),
3493 VMW_CMD_DEF(SVGA_3D_CMD_DX_CLEAR_DEPTHSTENCIL_VIEW,
3494 &vmw_cmd_dx_clear_depthstencil_view, true, false, true),
3495 VMW_CMD_DEF(SVGA_3D_CMD_DX_PRED_COPY, &vmw_cmd_invalid,
3496 true, false, true),
3497 VMW_CMD_DEF(SVGA_3D_CMD_DX_GENMIPS, &vmw_cmd_dx_genmips,
3498 true, false, true),
3499 VMW_CMD_DEF(SVGA_3D_CMD_DX_UPDATE_SUBRESOURCE,
3500 &vmw_cmd_dx_check_subresource, true, false, true),
3501 VMW_CMD_DEF(SVGA_3D_CMD_DX_READBACK_SUBRESOURCE,
3502 &vmw_cmd_dx_check_subresource, true, false, true),
3503 VMW_CMD_DEF(SVGA_3D_CMD_DX_INVALIDATE_SUBRESOURCE,
3504 &vmw_cmd_dx_check_subresource, true, false, true),
3505 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_SHADERRESOURCE_VIEW,
3506 &vmw_cmd_dx_view_define, true, false, true),
3507 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_SHADERRESOURCE_VIEW,
3508 &vmw_cmd_dx_view_remove, true, false, true),
3509 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_RENDERTARGET_VIEW,
3510 &vmw_cmd_dx_view_define, true, false, true),
3511 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_RENDERTARGET_VIEW,
3512 &vmw_cmd_dx_view_remove, true, false, true),
3513 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_DEPTHSTENCIL_VIEW,
3514 &vmw_cmd_dx_view_define, true, false, true),
3515 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_DEPTHSTENCIL_VIEW,
3516 &vmw_cmd_dx_view_remove, true, false, true),
3517 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_ELEMENTLAYOUT,
3518 &vmw_cmd_dx_so_define, true, false, true),
3519 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_ELEMENTLAYOUT,
3520 &vmw_cmd_dx_cid_check, true, false, true),
3521 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_BLEND_STATE,
3522 &vmw_cmd_dx_so_define, true, false, true),
3523 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_BLEND_STATE,
3524 &vmw_cmd_dx_cid_check, true, false, true),
3525 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_DEPTHSTENCIL_STATE,
3526 &vmw_cmd_dx_so_define, true, false, true),
3527 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_DEPTHSTENCIL_STATE,
3528 &vmw_cmd_dx_cid_check, true, false, true),
3529 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_RASTERIZER_STATE,
3530 &vmw_cmd_dx_so_define, true, false, true),
3531 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_RASTERIZER_STATE,
3532 &vmw_cmd_dx_cid_check, true, false, true),
3533 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_SAMPLER_STATE,
3534 &vmw_cmd_dx_so_define, true, false, true),
3535 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_SAMPLER_STATE,
3536 &vmw_cmd_dx_cid_check, true, false, true),
3537 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_SHADER,
3538 &vmw_cmd_dx_define_shader, true, false, true),
3539 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_SHADER,
3540 &vmw_cmd_dx_destroy_shader, true, false, true),
3541 VMW_CMD_DEF(SVGA_3D_CMD_DX_BIND_SHADER,
3542 &vmw_cmd_dx_bind_shader, true, false, true),
3543 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_STREAMOUTPUT,
3544 &vmw_cmd_dx_so_define, true, false, true),
3545 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_STREAMOUTPUT,
3546 &vmw_cmd_dx_destroy_streamoutput, true, false, true),
3547 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_STREAMOUTPUT,
3548 &vmw_cmd_dx_set_streamoutput, true, false, true),
3549 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SOTARGETS,
3550 &vmw_cmd_dx_set_so_targets, true, false, true),
3551 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_INPUT_LAYOUT,
3552 &vmw_cmd_dx_cid_check, true, false, true),
3553 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_TOPOLOGY,
3554 &vmw_cmd_dx_cid_check, true, false, true),
3555 VMW_CMD_DEF(SVGA_3D_CMD_DX_BUFFER_COPY,
3556 &vmw_cmd_buffer_copy_check, true, false, true),
3557 VMW_CMD_DEF(SVGA_3D_CMD_DX_PRED_COPY_REGION,
3558 &vmw_cmd_pred_copy_check, true, false, true),
3559 VMW_CMD_DEF(SVGA_3D_CMD_DX_TRANSFER_FROM_BUFFER,
3560 &vmw_cmd_dx_transfer_from_buffer,
3561 true, false, true),
3562 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_VS_CONSTANT_BUFFER_OFFSET,
3563 &vmw_cmd_dx_set_constant_buffer_offset,
3564 true, false, true),
3565 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_PS_CONSTANT_BUFFER_OFFSET,
3566 &vmw_cmd_dx_set_constant_buffer_offset,
3567 true, false, true),
3568 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_GS_CONSTANT_BUFFER_OFFSET,
3569 &vmw_cmd_dx_set_constant_buffer_offset,
3570 true, false, true),
3571 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_HS_CONSTANT_BUFFER_OFFSET,
3572 &vmw_cmd_dx_set_constant_buffer_offset,
3573 true, false, true),
3574 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_DS_CONSTANT_BUFFER_OFFSET,
3575 &vmw_cmd_dx_set_constant_buffer_offset,
3576 true, false, true),
3577 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_CS_CONSTANT_BUFFER_OFFSET,
3578 &vmw_cmd_dx_set_constant_buffer_offset,
3579 true, false, true),
3580 VMW_CMD_DEF(SVGA_3D_CMD_INTRA_SURFACE_COPY, &vmw_cmd_intra_surface_copy,
3581 true, false, true),
3582
3583 /*
3584 * SM5 commands
3585 */
3586 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_UA_VIEW, &vmw_cmd_sm5_view_define,
3587 true, false, true),
3588 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_UA_VIEW, &vmw_cmd_sm5_view_remove,
3589 true, false, true),
3590 VMW_CMD_DEF(SVGA_3D_CMD_DX_CLEAR_UA_VIEW_UINT, &vmw_cmd_clear_uav_uint,
3591 true, false, true),
3592 VMW_CMD_DEF(SVGA_3D_CMD_DX_CLEAR_UA_VIEW_FLOAT,
3593 &vmw_cmd_clear_uav_float, true, false, true),
3594 VMW_CMD_DEF(SVGA_3D_CMD_DX_COPY_STRUCTURE_COUNT, &vmw_cmd_invalid, true,
3595 false, true),
3596 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_UA_VIEWS, &vmw_cmd_set_uav, true, false,
3597 true),
3598 VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW_INDEXED_INSTANCED_INDIRECT,
3599 &vmw_cmd_indexed_instanced_indirect, true, false, true),
3600 VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW_INSTANCED_INDIRECT,
3601 &vmw_cmd_instanced_indirect, true, false, true),
3602 VMW_CMD_DEF(SVGA_3D_CMD_DX_DISPATCH, &vmw_cmd_sm5, true, false, true),
3603 VMW_CMD_DEF(SVGA_3D_CMD_DX_DISPATCH_INDIRECT,
3604 &vmw_cmd_dispatch_indirect, true, false, true),
3605 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_CS_UA_VIEWS, &vmw_cmd_set_cs_uav, true,
3606 false, true),
3607 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_DEPTHSTENCIL_VIEW_V2,
3608 &vmw_cmd_sm5_view_define, true, false, true),
3609 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_STREAMOUTPUT_WITH_MOB,
3610 &vmw_cmd_dx_define_streamoutput, true, false, true),
3611 VMW_CMD_DEF(SVGA_3D_CMD_DX_BIND_STREAMOUTPUT,
3612 &vmw_cmd_dx_bind_streamoutput, true, false, true),
3613 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_RASTERIZER_STATE_V2,
3614 &vmw_cmd_dx_so_define, true, false, true),
3615 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SURFACE_V4,
3616 &vmw_cmd_invalid, false, false, true),
3617};
3618
3619bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd)
3620{
3621 u32 cmd_id = ((u32 *) buf)[0];
3622
3623 if (cmd_id >= SVGA_CMD_MAX) {
3624 SVGA3dCmdHeader *header = (SVGA3dCmdHeader *) buf;
3625 const struct vmw_cmd_entry *entry;
3626
3627 *size = header->size + sizeof(SVGA3dCmdHeader);
3628 cmd_id = header->id;
3629 if (cmd_id >= SVGA_3D_CMD_MAX)
3630 return false;
3631
3632 cmd_id -= SVGA_3D_CMD_BASE;
3633 entry = &vmw_cmd_entries[cmd_id];
3634 *cmd = entry->cmd_name;
3635 return true;
3636 }
3637
3638 switch (cmd_id) {
3639 case SVGA_CMD_UPDATE:
3640 *cmd = "SVGA_CMD_UPDATE";
3641 *size = sizeof(u32) + sizeof(SVGAFifoCmdUpdate);
3642 break;
3643 case SVGA_CMD_DEFINE_GMRFB:
3644 *cmd = "SVGA_CMD_DEFINE_GMRFB";
3645 *size = sizeof(u32) + sizeof(SVGAFifoCmdDefineGMRFB);
3646 break;
3647 case SVGA_CMD_BLIT_GMRFB_TO_SCREEN:
3648 *cmd = "SVGA_CMD_BLIT_GMRFB_TO_SCREEN";
3649 *size = sizeof(u32) + sizeof(SVGAFifoCmdBlitGMRFBToScreen);
3650 break;
3651 case SVGA_CMD_BLIT_SCREEN_TO_GMRFB:
3652 *cmd = "SVGA_CMD_BLIT_SCREEN_TO_GMRFB";
3653 *size = sizeof(u32) + sizeof(SVGAFifoCmdBlitGMRFBToScreen);
3654 break;
3655 default:
3656 *cmd = "UNKNOWN";
3657 *size = 0;
3658 return false;
3659 }
3660
3661 return true;
3662}
3663
3664static int vmw_cmd_check(struct vmw_private *dev_priv,
3665 struct vmw_sw_context *sw_context, void *buf,
3666 uint32_t *size)
3667{
3668 uint32_t cmd_id;
3669 uint32_t size_remaining = *size;
3670 SVGA3dCmdHeader *header = (SVGA3dCmdHeader *) buf;
3671 int ret;
3672 const struct vmw_cmd_entry *entry;
3673 bool gb = dev_priv->capabilities & SVGA_CAP_GBOBJECTS;
3674
3675 cmd_id = ((uint32_t *)buf)[0];
3676 /* Handle any none 3D commands */
3677 if (unlikely(cmd_id < SVGA_CMD_MAX))
3678 return vmw_cmd_check_not_3d(dev_priv, sw_context, buf, size);
3679
3680
3681 cmd_id = header->id;
3682 *size = header->size + sizeof(SVGA3dCmdHeader);
3683
3684 cmd_id -= SVGA_3D_CMD_BASE;
3685 if (unlikely(*size > size_remaining))
3686 goto out_invalid;
3687
3688 if (unlikely(cmd_id >= SVGA_3D_CMD_MAX - SVGA_3D_CMD_BASE))
3689 goto out_invalid;
3690
3691 entry = &vmw_cmd_entries[cmd_id];
3692 if (unlikely(!entry->func))
3693 goto out_invalid;
3694
3695 if (unlikely(!entry->user_allow && !sw_context->kernel))
3696 goto out_privileged;
3697
3698 if (unlikely(entry->gb_disable && gb))
3699 goto out_old;
3700
3701 if (unlikely(entry->gb_enable && !gb))
3702 goto out_new;
3703
3704 ret = entry->func(dev_priv, sw_context, header);
3705 if (unlikely(ret != 0)) {
3706 VMW_DEBUG_USER("SVGA3D command: %d failed with error %d\n",
3707 cmd_id + SVGA_3D_CMD_BASE, ret);
3708 return ret;
3709 }
3710
3711 return 0;
3712out_invalid:
3713 VMW_DEBUG_USER("Invalid SVGA3D command: %d\n",
3714 cmd_id + SVGA_3D_CMD_BASE);
3715 return -EINVAL;
3716out_privileged:
3717 VMW_DEBUG_USER("Privileged SVGA3D command: %d\n",
3718 cmd_id + SVGA_3D_CMD_BASE);
3719 return -EPERM;
3720out_old:
3721 VMW_DEBUG_USER("Deprecated (disallowed) SVGA3D command: %d\n",
3722 cmd_id + SVGA_3D_CMD_BASE);
3723 return -EINVAL;
3724out_new:
3725 VMW_DEBUG_USER("SVGA3D command: %d not supported by virtual device.\n",
3726 cmd_id + SVGA_3D_CMD_BASE);
3727 return -EINVAL;
3728}
3729
3730static int vmw_cmd_check_all(struct vmw_private *dev_priv,
3731 struct vmw_sw_context *sw_context, void *buf,
3732 uint32_t size)
3733{
3734 int32_t cur_size = size;
3735 int ret;
3736
3737 sw_context->buf_start = buf;
3738
3739 while (cur_size > 0) {
3740 size = cur_size;
3741 ret = vmw_cmd_check(dev_priv, sw_context, buf, &size);
3742 if (unlikely(ret != 0))
3743 return ret;
3744 buf = (void *)((unsigned long) buf + size);
3745 cur_size -= size;
3746 }
3747
3748 if (unlikely(cur_size != 0)) {
3749 VMW_DEBUG_USER("Command verifier out of sync.\n");
3750 return -EINVAL;
3751 }
3752
3753 return 0;
3754}
3755
3756static void vmw_free_relocations(struct vmw_sw_context *sw_context)
3757{
3758 /* Memory is validation context memory, so no need to free it */
3759 INIT_LIST_HEAD(&sw_context->bo_relocations);
3760}
3761
3762static void vmw_apply_relocations(struct vmw_sw_context *sw_context)
3763{
3764 struct vmw_relocation *reloc;
3765 struct ttm_buffer_object *bo;
3766
3767 list_for_each_entry(reloc, &sw_context->bo_relocations, head) {
3768 bo = &reloc->vbo->tbo;
3769 switch (bo->resource->mem_type) {
3770 case TTM_PL_VRAM:
3771 reloc->location->offset += bo->resource->start << PAGE_SHIFT;
3772 reloc->location->gmrId = SVGA_GMR_FRAMEBUFFER;
3773 break;
3774 case VMW_PL_GMR:
3775 reloc->location->gmrId = bo->resource->start;
3776 break;
3777 case VMW_PL_MOB:
3778 *reloc->mob_loc = bo->resource->start;
3779 break;
3780 default:
3781 BUG();
3782 }
3783 }
3784 vmw_free_relocations(sw_context);
3785}
3786
3787static int vmw_resize_cmd_bounce(struct vmw_sw_context *sw_context,
3788 uint32_t size)
3789{
3790 if (likely(sw_context->cmd_bounce_size >= size))
3791 return 0;
3792
3793 if (sw_context->cmd_bounce_size == 0)
3794 sw_context->cmd_bounce_size = VMWGFX_CMD_BOUNCE_INIT_SIZE;
3795
3796 while (sw_context->cmd_bounce_size < size) {
3797 sw_context->cmd_bounce_size =
3798 PAGE_ALIGN(sw_context->cmd_bounce_size +
3799 (sw_context->cmd_bounce_size >> 1));
3800 }
3801
3802 vfree(sw_context->cmd_bounce);
3803 sw_context->cmd_bounce = vmalloc(sw_context->cmd_bounce_size);
3804
3805 if (sw_context->cmd_bounce == NULL) {
3806 VMW_DEBUG_USER("Failed to allocate command bounce buffer.\n");
3807 sw_context->cmd_bounce_size = 0;
3808 return -ENOMEM;
3809 }
3810
3811 return 0;
3812}
3813
3814/*
3815 * vmw_execbuf_fence_commands - create and submit a command stream fence
3816 *
3817 * Creates a fence object and submits a command stream marker.
3818 * If this fails for some reason, We sync the fifo and return NULL.
3819 * It is then safe to fence buffers with a NULL pointer.
3820 *
3821 * If @p_handle is not NULL @file_priv must also not be NULL. Creates a
3822 * userspace handle if @p_handle is not NULL, otherwise not.
3823 */
3824
3825int vmw_execbuf_fence_commands(struct drm_file *file_priv,
3826 struct vmw_private *dev_priv,
3827 struct vmw_fence_obj **p_fence,
3828 uint32_t *p_handle)
3829{
3830 uint32_t sequence;
3831 int ret;
3832 bool synced = false;
3833
3834 /* p_handle implies file_priv. */
3835 BUG_ON(p_handle != NULL && file_priv == NULL);
3836
3837 ret = vmw_cmd_send_fence(dev_priv, &sequence);
3838 if (unlikely(ret != 0)) {
3839 VMW_DEBUG_USER("Fence submission error. Syncing.\n");
3840 synced = true;
3841 }
3842
3843 if (p_handle != NULL)
3844 ret = vmw_user_fence_create(file_priv, dev_priv->fman,
3845 sequence, p_fence, p_handle);
3846 else
3847 ret = vmw_fence_create(dev_priv->fman, sequence, p_fence);
3848
3849 if (unlikely(ret != 0 && !synced)) {
3850 (void) vmw_fallback_wait(dev_priv, false, false, sequence,
3851 false, VMW_FENCE_WAIT_TIMEOUT);
3852 *p_fence = NULL;
3853 }
3854
3855 return ret;
3856}
3857
3858/**
3859 * vmw_execbuf_copy_fence_user - copy fence object information to user-space.
3860 *
3861 * @dev_priv: Pointer to a vmw_private struct.
3862 * @vmw_fp: Pointer to the struct vmw_fpriv representing the calling file.
3863 * @ret: Return value from fence object creation.
3864 * @user_fence_rep: User space address of a struct drm_vmw_fence_rep to which
3865 * the information should be copied.
3866 * @fence: Pointer to the fenc object.
3867 * @fence_handle: User-space fence handle.
3868 * @out_fence_fd: exported file descriptor for the fence. -1 if not used
3869 *
3870 * This function copies fence information to user-space. If copying fails, the
3871 * user-space struct drm_vmw_fence_rep::error member is hopefully left
3872 * untouched, and if it's preloaded with an -EFAULT by user-space, the error
3873 * will hopefully be detected.
3874 *
3875 * Also if copying fails, user-space will be unable to signal the fence object
3876 * so we wait for it immediately, and then unreference the user-space reference.
3877 */
3878int
3879vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv,
3880 struct vmw_fpriv *vmw_fp, int ret,
3881 struct drm_vmw_fence_rep __user *user_fence_rep,
3882 struct vmw_fence_obj *fence, uint32_t fence_handle,
3883 int32_t out_fence_fd)
3884{
3885 struct drm_vmw_fence_rep fence_rep;
3886
3887 if (user_fence_rep == NULL)
3888 return 0;
3889
3890 memset(&fence_rep, 0, sizeof(fence_rep));
3891
3892 fence_rep.error = ret;
3893 fence_rep.fd = out_fence_fd;
3894 if (ret == 0) {
3895 BUG_ON(fence == NULL);
3896
3897 fence_rep.handle = fence_handle;
3898 fence_rep.seqno = fence->base.seqno;
3899 vmw_update_seqno(dev_priv);
3900 fence_rep.passed_seqno = dev_priv->last_read_seqno;
3901 }
3902
3903 /*
3904 * copy_to_user errors will be detected by user space not seeing
3905 * fence_rep::error filled in. Typically user-space would have pre-set
3906 * that member to -EFAULT.
3907 */
3908 ret = copy_to_user(user_fence_rep, &fence_rep,
3909 sizeof(fence_rep));
3910
3911 /*
3912 * User-space lost the fence object. We need to sync and unreference the
3913 * handle.
3914 */
3915 if (unlikely(ret != 0) && (fence_rep.error == 0)) {
3916 ttm_ref_object_base_unref(vmw_fp->tfile, fence_handle);
3917 VMW_DEBUG_USER("Fence copy error. Syncing.\n");
3918 (void) vmw_fence_obj_wait(fence, false, false,
3919 VMW_FENCE_WAIT_TIMEOUT);
3920 }
3921
3922 return ret ? -EFAULT : 0;
3923}
3924
3925/**
3926 * vmw_execbuf_submit_fifo - Patch a command batch and submit it using the fifo.
3927 *
3928 * @dev_priv: Pointer to a device private structure.
3929 * @kernel_commands: Pointer to the unpatched command batch.
3930 * @command_size: Size of the unpatched command batch.
3931 * @sw_context: Structure holding the relocation lists.
3932 *
3933 * Side effects: If this function returns 0, then the command batch pointed to
3934 * by @kernel_commands will have been modified.
3935 */
3936static int vmw_execbuf_submit_fifo(struct vmw_private *dev_priv,
3937 void *kernel_commands, u32 command_size,
3938 struct vmw_sw_context *sw_context)
3939{
3940 void *cmd;
3941
3942 if (sw_context->dx_ctx_node)
3943 cmd = VMW_CMD_CTX_RESERVE(dev_priv, command_size,
3944 sw_context->dx_ctx_node->ctx->id);
3945 else
3946 cmd = VMW_CMD_RESERVE(dev_priv, command_size);
3947
3948 if (!cmd)
3949 return -ENOMEM;
3950
3951 vmw_apply_relocations(sw_context);
3952 memcpy(cmd, kernel_commands, command_size);
3953 vmw_resource_relocations_apply(cmd, &sw_context->res_relocations);
3954 vmw_resource_relocations_free(&sw_context->res_relocations);
3955 vmw_cmd_commit(dev_priv, command_size);
3956
3957 return 0;
3958}
3959
3960/**
3961 * vmw_execbuf_submit_cmdbuf - Patch a command batch and submit it using the
3962 * command buffer manager.
3963 *
3964 * @dev_priv: Pointer to a device private structure.
3965 * @header: Opaque handle to the command buffer allocation.
3966 * @command_size: Size of the unpatched command batch.
3967 * @sw_context: Structure holding the relocation lists.
3968 *
3969 * Side effects: If this function returns 0, then the command buffer represented
3970 * by @header will have been modified.
3971 */
3972static int vmw_execbuf_submit_cmdbuf(struct vmw_private *dev_priv,
3973 struct vmw_cmdbuf_header *header,
3974 u32 command_size,
3975 struct vmw_sw_context *sw_context)
3976{
3977 u32 id = ((sw_context->dx_ctx_node) ? sw_context->dx_ctx_node->ctx->id :
3978 SVGA3D_INVALID_ID);
3979 void *cmd = vmw_cmdbuf_reserve(dev_priv->cman, command_size, id, false,
3980 header);
3981
3982 vmw_apply_relocations(sw_context);
3983 vmw_resource_relocations_apply(cmd, &sw_context->res_relocations);
3984 vmw_resource_relocations_free(&sw_context->res_relocations);
3985 vmw_cmdbuf_commit(dev_priv->cman, command_size, header, false);
3986
3987 return 0;
3988}
3989
3990/**
3991 * vmw_execbuf_cmdbuf - Prepare, if possible, a user-space command batch for
3992 * submission using a command buffer.
3993 *
3994 * @dev_priv: Pointer to a device private structure.
3995 * @user_commands: User-space pointer to the commands to be submitted.
3996 * @command_size: Size of the unpatched command batch.
3997 * @header: Out parameter returning the opaque pointer to the command buffer.
3998 *
3999 * This function checks whether we can use the command buffer manager for
4000 * submission and if so, creates a command buffer of suitable size and copies
4001 * the user data into that buffer.
4002 *
4003 * On successful return, the function returns a pointer to the data in the
4004 * command buffer and *@header is set to non-NULL.
4005 *
4006 * @kernel_commands: If command buffers could not be used, the function will
4007 * return the value of @kernel_commands on function call. That value may be
4008 * NULL. In that case, the value of *@header will be set to NULL.
4009 *
4010 * If an error is encountered, the function will return a pointer error value.
4011 * If the function is interrupted by a signal while sleeping, it will return
4012 * -ERESTARTSYS casted to a pointer error value.
4013 */
4014static void *vmw_execbuf_cmdbuf(struct vmw_private *dev_priv,
4015 void __user *user_commands,
4016 void *kernel_commands, u32 command_size,
4017 struct vmw_cmdbuf_header **header)
4018{
4019 size_t cmdbuf_size;
4020 int ret;
4021
4022 *header = NULL;
4023 if (command_size > SVGA_CB_MAX_SIZE) {
4024 VMW_DEBUG_USER("Command buffer is too large.\n");
4025 return ERR_PTR(-EINVAL);
4026 }
4027
4028 if (!dev_priv->cman || kernel_commands)
4029 return kernel_commands;
4030
4031 /* If possible, add a little space for fencing. */
4032 cmdbuf_size = command_size + 512;
4033 cmdbuf_size = min_t(size_t, cmdbuf_size, SVGA_CB_MAX_SIZE);
4034 kernel_commands = vmw_cmdbuf_alloc(dev_priv->cman, cmdbuf_size, true,
4035 header);
4036 if (IS_ERR(kernel_commands))
4037 return kernel_commands;
4038
4039 ret = copy_from_user(kernel_commands, user_commands, command_size);
4040 if (ret) {
4041 VMW_DEBUG_USER("Failed copying commands.\n");
4042 vmw_cmdbuf_header_free(*header);
4043 *header = NULL;
4044 return ERR_PTR(-EFAULT);
4045 }
4046
4047 return kernel_commands;
4048}
4049
4050static int vmw_execbuf_tie_context(struct vmw_private *dev_priv,
4051 struct vmw_sw_context *sw_context,
4052 uint32_t handle)
4053{
4054 struct vmw_resource *res;
4055 int ret;
4056 unsigned int size;
4057
4058 if (handle == SVGA3D_INVALID_ID)
4059 return 0;
4060
4061 size = vmw_execbuf_res_size(dev_priv, vmw_res_dx_context);
4062 ret = vmw_validation_preload_res(sw_context->ctx, size);
4063 if (ret)
4064 return ret;
4065
4066 ret = vmw_user_resource_lookup_handle
4067 (dev_priv, sw_context->fp->tfile, handle,
4068 user_context_converter, &res);
4069 if (ret != 0) {
4070 VMW_DEBUG_USER("Could not find or user DX context 0x%08x.\n",
4071 (unsigned int) handle);
4072 return ret;
4073 }
4074
4075 ret = vmw_execbuf_res_val_add(sw_context, res, VMW_RES_DIRTY_SET,
4076 vmw_val_add_flag_none);
4077 if (unlikely(ret != 0)) {
4078 vmw_resource_unreference(&res);
4079 return ret;
4080 }
4081
4082 sw_context->dx_ctx_node = vmw_execbuf_info_from_res(sw_context, res);
4083 sw_context->man = vmw_context_res_man(res);
4084
4085 vmw_resource_unreference(&res);
4086 return 0;
4087}
4088
4089int vmw_execbuf_process(struct drm_file *file_priv,
4090 struct vmw_private *dev_priv,
4091 void __user *user_commands, void *kernel_commands,
4092 uint32_t command_size, uint64_t throttle_us,
4093 uint32_t dx_context_handle,
4094 struct drm_vmw_fence_rep __user *user_fence_rep,
4095 struct vmw_fence_obj **out_fence, uint32_t flags)
4096{
4097 struct vmw_sw_context *sw_context = &dev_priv->ctx;
4098 struct vmw_fence_obj *fence = NULL;
4099 struct vmw_cmdbuf_header *header;
4100 uint32_t handle = 0;
4101 int ret;
4102 int32_t out_fence_fd = -1;
4103 struct sync_file *sync_file = NULL;
4104 DECLARE_VAL_CONTEXT(val_ctx, sw_context, 1);
4105
4106 if (flags & DRM_VMW_EXECBUF_FLAG_EXPORT_FENCE_FD) {
4107 out_fence_fd = get_unused_fd_flags(O_CLOEXEC);
4108 if (out_fence_fd < 0) {
4109 VMW_DEBUG_USER("Failed to get a fence fd.\n");
4110 return out_fence_fd;
4111 }
4112 }
4113
4114 if (throttle_us) {
4115 VMW_DEBUG_USER("Throttling is no longer supported.\n");
4116 }
4117
4118 kernel_commands = vmw_execbuf_cmdbuf(dev_priv, user_commands,
4119 kernel_commands, command_size,
4120 &header);
4121 if (IS_ERR(kernel_commands)) {
4122 ret = PTR_ERR(kernel_commands);
4123 goto out_free_fence_fd;
4124 }
4125
4126 ret = mutex_lock_interruptible(&dev_priv->cmdbuf_mutex);
4127 if (ret) {
4128 ret = -ERESTARTSYS;
4129 goto out_free_header;
4130 }
4131
4132 sw_context->kernel = false;
4133 if (kernel_commands == NULL) {
4134 ret = vmw_resize_cmd_bounce(sw_context, command_size);
4135 if (unlikely(ret != 0))
4136 goto out_unlock;
4137
4138 ret = copy_from_user(sw_context->cmd_bounce, user_commands,
4139 command_size);
4140 if (unlikely(ret != 0)) {
4141 ret = -EFAULT;
4142 VMW_DEBUG_USER("Failed copying commands.\n");
4143 goto out_unlock;
4144 }
4145
4146 kernel_commands = sw_context->cmd_bounce;
4147 } else if (!header) {
4148 sw_context->kernel = true;
4149 }
4150
4151 sw_context->filp = file_priv;
4152 sw_context->fp = vmw_fpriv(file_priv);
4153 INIT_LIST_HEAD(&sw_context->ctx_list);
4154 sw_context->cur_query_bo = dev_priv->pinned_bo;
4155 sw_context->last_query_ctx = NULL;
4156 sw_context->needs_post_query_barrier = false;
4157 sw_context->dx_ctx_node = NULL;
4158 sw_context->dx_query_mob = NULL;
4159 sw_context->dx_query_ctx = NULL;
4160 memset(sw_context->res_cache, 0, sizeof(sw_context->res_cache));
4161 INIT_LIST_HEAD(&sw_context->res_relocations);
4162 INIT_LIST_HEAD(&sw_context->bo_relocations);
4163
4164 if (sw_context->staged_bindings)
4165 vmw_binding_state_reset(sw_context->staged_bindings);
4166
4167 INIT_LIST_HEAD(&sw_context->staged_cmd_res);
4168 sw_context->ctx = &val_ctx;
4169 ret = vmw_execbuf_tie_context(dev_priv, sw_context, dx_context_handle);
4170 if (unlikely(ret != 0))
4171 goto out_err_nores;
4172
4173 ret = vmw_cmd_check_all(dev_priv, sw_context, kernel_commands,
4174 command_size);
4175 if (unlikely(ret != 0))
4176 goto out_err_nores;
4177
4178 ret = vmw_resources_reserve(sw_context);
4179 if (unlikely(ret != 0))
4180 goto out_err_nores;
4181
4182 ret = vmw_validation_bo_reserve(&val_ctx, true);
4183 if (unlikely(ret != 0))
4184 goto out_err_nores;
4185
4186 ret = vmw_validation_bo_validate(&val_ctx, true);
4187 if (unlikely(ret != 0))
4188 goto out_err;
4189
4190 ret = vmw_validation_res_validate(&val_ctx, true);
4191 if (unlikely(ret != 0))
4192 goto out_err;
4193
4194 vmw_validation_drop_ht(&val_ctx);
4195
4196 ret = mutex_lock_interruptible(&dev_priv->binding_mutex);
4197 if (unlikely(ret != 0)) {
4198 ret = -ERESTARTSYS;
4199 goto out_err;
4200 }
4201
4202 if (dev_priv->has_mob) {
4203 ret = vmw_rebind_contexts(sw_context);
4204 if (unlikely(ret != 0))
4205 goto out_unlock_binding;
4206 }
4207
4208 if (!header) {
4209 ret = vmw_execbuf_submit_fifo(dev_priv, kernel_commands,
4210 command_size, sw_context);
4211 } else {
4212 ret = vmw_execbuf_submit_cmdbuf(dev_priv, header, command_size,
4213 sw_context);
4214 header = NULL;
4215 }
4216 mutex_unlock(&dev_priv->binding_mutex);
4217 if (ret)
4218 goto out_err;
4219
4220 vmw_query_bo_switch_commit(dev_priv, sw_context);
4221 ret = vmw_execbuf_fence_commands(file_priv, dev_priv, &fence,
4222 (user_fence_rep) ? &handle : NULL);
4223 /*
4224 * This error is harmless, because if fence submission fails,
4225 * vmw_fifo_send_fence will sync. The error will be propagated to
4226 * user-space in @fence_rep
4227 */
4228 if (ret != 0)
4229 VMW_DEBUG_USER("Fence submission error. Syncing.\n");
4230
4231 vmw_execbuf_bindings_commit(sw_context, false);
4232 vmw_bind_dx_query_mob(sw_context);
4233 vmw_validation_res_unreserve(&val_ctx, false);
4234
4235 vmw_validation_bo_fence(sw_context->ctx, fence);
4236
4237 if (unlikely(dev_priv->pinned_bo != NULL && !dev_priv->query_cid_valid))
4238 __vmw_execbuf_release_pinned_bo(dev_priv, fence);
4239
4240 /*
4241 * If anything fails here, give up trying to export the fence and do a
4242 * sync since the user mode will not be able to sync the fence itself.
4243 * This ensures we are still functionally correct.
4244 */
4245 if (flags & DRM_VMW_EXECBUF_FLAG_EXPORT_FENCE_FD) {
4246
4247 sync_file = sync_file_create(&fence->base);
4248 if (!sync_file) {
4249 VMW_DEBUG_USER("Sync file create failed for fence\n");
4250 put_unused_fd(out_fence_fd);
4251 out_fence_fd = -1;
4252
4253 (void) vmw_fence_obj_wait(fence, false, false,
4254 VMW_FENCE_WAIT_TIMEOUT);
4255 }
4256 }
4257
4258 ret = vmw_execbuf_copy_fence_user(dev_priv, vmw_fpriv(file_priv), ret,
4259 user_fence_rep, fence, handle, out_fence_fd);
4260
4261 if (sync_file) {
4262 if (ret) {
4263 /* usercopy of fence failed, put the file object */
4264 fput(sync_file->file);
4265 put_unused_fd(out_fence_fd);
4266 } else {
4267 /* Link the fence with the FD created earlier */
4268 fd_install(out_fence_fd, sync_file->file);
4269 }
4270 }
4271
4272 /* Don't unreference when handing fence out */
4273 if (unlikely(out_fence != NULL)) {
4274 *out_fence = fence;
4275 fence = NULL;
4276 } else if (likely(fence != NULL)) {
4277 vmw_fence_obj_unreference(&fence);
4278 }
4279
4280 vmw_cmdbuf_res_commit(&sw_context->staged_cmd_res);
4281 mutex_unlock(&dev_priv->cmdbuf_mutex);
4282
4283 /*
4284 * Unreference resources outside of the cmdbuf_mutex to avoid deadlocks
4285 * in resource destruction paths.
4286 */
4287 vmw_validation_unref_lists(&val_ctx);
4288
4289 return ret;
4290
4291out_unlock_binding:
4292 mutex_unlock(&dev_priv->binding_mutex);
4293out_err:
4294 vmw_validation_bo_backoff(&val_ctx);
4295out_err_nores:
4296 vmw_execbuf_bindings_commit(sw_context, true);
4297 vmw_validation_res_unreserve(&val_ctx, true);
4298 vmw_resource_relocations_free(&sw_context->res_relocations);
4299 vmw_free_relocations(sw_context);
4300 if (unlikely(dev_priv->pinned_bo != NULL && !dev_priv->query_cid_valid))
4301 __vmw_execbuf_release_pinned_bo(dev_priv, NULL);
4302out_unlock:
4303 vmw_cmdbuf_res_revert(&sw_context->staged_cmd_res);
4304 vmw_validation_drop_ht(&val_ctx);
4305 WARN_ON(!list_empty(&sw_context->ctx_list));
4306 mutex_unlock(&dev_priv->cmdbuf_mutex);
4307
4308 /*
4309 * Unreference resources outside of the cmdbuf_mutex to avoid deadlocks
4310 * in resource destruction paths.
4311 */
4312 vmw_validation_unref_lists(&val_ctx);
4313out_free_header:
4314 if (header)
4315 vmw_cmdbuf_header_free(header);
4316out_free_fence_fd:
4317 if (out_fence_fd >= 0)
4318 put_unused_fd(out_fence_fd);
4319
4320 return ret;
4321}
4322
4323/**
4324 * vmw_execbuf_unpin_panic - Idle the fifo and unpin the query buffer.
4325 *
4326 * @dev_priv: The device private structure.
4327 *
4328 * This function is called to idle the fifo and unpin the query buffer if the
4329 * normal way to do this hits an error, which should typically be extremely
4330 * rare.
4331 */
4332static void vmw_execbuf_unpin_panic(struct vmw_private *dev_priv)
4333{
4334 VMW_DEBUG_USER("Can't unpin query buffer. Trying to recover.\n");
4335
4336 (void) vmw_fallback_wait(dev_priv, false, true, 0, false, 10*HZ);
4337 vmw_bo_pin_reserved(dev_priv->pinned_bo, false);
4338 if (dev_priv->dummy_query_bo_pinned) {
4339 vmw_bo_pin_reserved(dev_priv->dummy_query_bo, false);
4340 dev_priv->dummy_query_bo_pinned = false;
4341 }
4342}
4343
4344
4345/**
4346 * __vmw_execbuf_release_pinned_bo - Flush queries and unpin the pinned query
4347 * bo.
4348 *
4349 * @dev_priv: The device private structure.
4350 * @fence: If non-NULL should point to a struct vmw_fence_obj issued _after_ a
4351 * query barrier that flushes all queries touching the current buffer pointed to
4352 * by @dev_priv->pinned_bo
4353 *
4354 * This function should be used to unpin the pinned query bo, or as a query
4355 * barrier when we need to make sure that all queries have finished before the
4356 * next fifo command. (For example on hardware context destructions where the
4357 * hardware may otherwise leak unfinished queries).
4358 *
4359 * This function does not return any failure codes, but make attempts to do safe
4360 * unpinning in case of errors.
4361 *
4362 * The function will synchronize on the previous query barrier, and will thus
4363 * not finish until that barrier has executed.
4364 *
4365 * the @dev_priv->cmdbuf_mutex needs to be held by the current thread before
4366 * calling this function.
4367 */
4368void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv,
4369 struct vmw_fence_obj *fence)
4370{
4371 int ret = 0;
4372 struct vmw_fence_obj *lfence = NULL;
4373 DECLARE_VAL_CONTEXT(val_ctx, NULL, 0);
4374
4375 if (dev_priv->pinned_bo == NULL)
4376 goto out_unlock;
4377
4378 vmw_bo_placement_set(dev_priv->pinned_bo,
4379 VMW_BO_DOMAIN_GMR | VMW_BO_DOMAIN_VRAM,
4380 VMW_BO_DOMAIN_GMR | VMW_BO_DOMAIN_VRAM);
4381 ret = vmw_validation_add_bo(&val_ctx, dev_priv->pinned_bo);
4382 if (ret)
4383 goto out_no_reserve;
4384
4385 vmw_bo_placement_set(dev_priv->dummy_query_bo,
4386 VMW_BO_DOMAIN_GMR | VMW_BO_DOMAIN_VRAM,
4387 VMW_BO_DOMAIN_GMR | VMW_BO_DOMAIN_VRAM);
4388 ret = vmw_validation_add_bo(&val_ctx, dev_priv->dummy_query_bo);
4389 if (ret)
4390 goto out_no_reserve;
4391
4392 ret = vmw_validation_bo_reserve(&val_ctx, false);
4393 if (ret)
4394 goto out_no_reserve;
4395
4396 if (dev_priv->query_cid_valid) {
4397 BUG_ON(fence != NULL);
4398 ret = vmw_cmd_emit_dummy_query(dev_priv, dev_priv->query_cid);
4399 if (ret)
4400 goto out_no_emit;
4401 dev_priv->query_cid_valid = false;
4402 }
4403
4404 vmw_bo_pin_reserved(dev_priv->pinned_bo, false);
4405 if (dev_priv->dummy_query_bo_pinned) {
4406 vmw_bo_pin_reserved(dev_priv->dummy_query_bo, false);
4407 dev_priv->dummy_query_bo_pinned = false;
4408 }
4409 if (fence == NULL) {
4410 (void) vmw_execbuf_fence_commands(NULL, dev_priv, &lfence,
4411 NULL);
4412 fence = lfence;
4413 }
4414 vmw_validation_bo_fence(&val_ctx, fence);
4415 if (lfence != NULL)
4416 vmw_fence_obj_unreference(&lfence);
4417
4418 vmw_validation_unref_lists(&val_ctx);
4419 vmw_bo_unreference(&dev_priv->pinned_bo);
4420
4421out_unlock:
4422 return;
4423out_no_emit:
4424 vmw_validation_bo_backoff(&val_ctx);
4425out_no_reserve:
4426 vmw_validation_unref_lists(&val_ctx);
4427 vmw_execbuf_unpin_panic(dev_priv);
4428 vmw_bo_unreference(&dev_priv->pinned_bo);
4429}
4430
4431/**
4432 * vmw_execbuf_release_pinned_bo - Flush queries and unpin the pinned query bo.
4433 *
4434 * @dev_priv: The device private structure.
4435 *
4436 * This function should be used to unpin the pinned query bo, or as a query
4437 * barrier when we need to make sure that all queries have finished before the
4438 * next fifo command. (For example on hardware context destructions where the
4439 * hardware may otherwise leak unfinished queries).
4440 *
4441 * This function does not return any failure codes, but make attempts to do safe
4442 * unpinning in case of errors.
4443 *
4444 * The function will synchronize on the previous query barrier, and will thus
4445 * not finish until that barrier has executed.
4446 */
4447void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv)
4448{
4449 mutex_lock(&dev_priv->cmdbuf_mutex);
4450 if (dev_priv->query_cid_valid)
4451 __vmw_execbuf_release_pinned_bo(dev_priv, NULL);
4452 mutex_unlock(&dev_priv->cmdbuf_mutex);
4453}
4454
4455int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
4456 struct drm_file *file_priv)
4457{
4458 struct vmw_private *dev_priv = vmw_priv(dev);
4459 struct drm_vmw_execbuf_arg *arg = data;
4460 int ret;
4461 struct dma_fence *in_fence = NULL;
4462
4463 MKS_STAT_TIME_DECL(MKSSTAT_KERN_EXECBUF);
4464 MKS_STAT_TIME_PUSH(MKSSTAT_KERN_EXECBUF);
4465
4466 /*
4467 * Extend the ioctl argument while maintaining backwards compatibility:
4468 * We take different code paths depending on the value of arg->version.
4469 *
4470 * Note: The ioctl argument is extended and zeropadded by core DRM.
4471 */
4472 if (unlikely(arg->version > DRM_VMW_EXECBUF_VERSION ||
4473 arg->version == 0)) {
4474 VMW_DEBUG_USER("Incorrect execbuf version.\n");
4475 ret = -EINVAL;
4476 goto mksstats_out;
4477 }
4478
4479 switch (arg->version) {
4480 case 1:
4481 /* For v1 core DRM have extended + zeropadded the data */
4482 arg->context_handle = (uint32_t) -1;
4483 break;
4484 case 2:
4485 default:
4486 /* For v2 and later core DRM would have correctly copied it */
4487 break;
4488 }
4489
4490 /* If imported a fence FD from elsewhere, then wait on it */
4491 if (arg->flags & DRM_VMW_EXECBUF_FLAG_IMPORT_FENCE_FD) {
4492 in_fence = sync_file_get_fence(arg->imported_fence_fd);
4493
4494 if (!in_fence) {
4495 VMW_DEBUG_USER("Cannot get imported fence\n");
4496 ret = -EINVAL;
4497 goto mksstats_out;
4498 }
4499
4500 ret = dma_fence_wait(in_fence, true);
4501 if (ret)
4502 goto out;
4503 }
4504
4505 ret = vmw_execbuf_process(file_priv, dev_priv,
4506 (void __user *)(unsigned long)arg->commands,
4507 NULL, arg->command_size, arg->throttle_us,
4508 arg->context_handle,
4509 (void __user *)(unsigned long)arg->fence_rep,
4510 NULL, arg->flags);
4511
4512 if (unlikely(ret != 0))
4513 goto out;
4514
4515 vmw_kms_cursor_post_execbuf(dev_priv);
4516
4517out:
4518 if (in_fence)
4519 dma_fence_put(in_fence);
4520
4521mksstats_out:
4522 MKS_STAT_TIME_POP(MKSSTAT_KERN_EXECBUF);
4523 return ret;
4524}