treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / drivers / gpu / drm / vmwgfx / vmwgfx_execbuf.c
blob73489a45decb041c3d77ede861295793db7eda2a
1 // SPDX-License-Identifier: GPL-2.0 OR MIT
2 /**************************************************************************
4 * Copyright 2009 - 2015 VMware, Inc., Palo Alto, CA., USA
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:
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.
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.
26 **************************************************************************/
27 #include <linux/sync_file.h>
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"
36 #define VMW_RES_HT_ORDER 12
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.
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 }); \
51 #define VMW_DECLARE_CMD_VAR(__var, __type) \
52 struct { \
53 SVGA3dCmdHeader header; \
54 __type body; \
55 } __var
57 /**
58 * struct vmw_relocation - Buffer object relocation
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
65 struct vmw_relocation {
66 struct list_head head;
67 struct vmw_buffer_object *vbo;
68 union {
69 SVGAMobId *mob_loc;
70 SVGAGuestPtr *location;
74 /**
75 * enum vmw_resource_relocation_type - Relocation type for resources
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.
84 enum 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
91 /**
92 * struct vmw_resource_relocation - Relocation info for resources
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.
100 struct 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;
108 * struct vmw_ctx_validation_info - Extra validation metadata for contexts
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
115 struct 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;
123 * struct vmw_cmd_entry - Describe a command for the verifier
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.
129 struct 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;
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}
142 static int vmw_resource_context_res_add(struct vmw_private *dev_priv,
143 struct vmw_sw_context *sw_context,
144 struct vmw_resource *ctx);
145 static 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);
150 * vmw_ptr_diff - Compute the offset from a to b in bytes
152 * @a: A starting pointer.
153 * @b: A pointer offset in the same address space.
155 * Returns: The offset in bytes between the two pointers.
157 static size_t vmw_ptr_diff(void *a, void *b)
159 return (unsigned long) b - (unsigned long) a;
163 * vmw_execbuf_bindings_commit - Commit modified binding state
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
169 static void vmw_execbuf_bindings_commit(struct vmw_sw_context *sw_context,
170 bool backoff)
172 struct vmw_ctx_validation_info *entry;
174 list_for_each_entry(entry, &sw_context->ctx_list, head) {
175 if (!backoff)
176 vmw_binding_state_commit(entry->cur, entry->staged);
178 if (entry->staged != sw_context->staged_bindings)
179 vmw_binding_state_free(entry->staged);
180 else
181 sw_context->staged_bindings_inuse = false;
184 /* List entries are freed with the validation context */
185 INIT_LIST_HEAD(&sw_context->ctx_list);
189 * vmw_bind_dx_query_mob - Bind the DX query MOB if referenced
191 * @sw_context: The command submission context
193 static void vmw_bind_dx_query_mob(struct vmw_sw_context *sw_context)
195 if (sw_context->dx_query_mob)
196 vmw_context_bind_dx_query(sw_context->dx_query_ctx,
197 sw_context->dx_query_mob);
201 * vmw_cmd_ctx_first_setup - Perform the setup needed when a context is added to
202 * the validate list.
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
208 static 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)
213 int ret;
215 ret = vmw_resource_context_res_add(dev_priv, sw_context, res);
216 if (unlikely(ret != 0))
217 goto out_err;
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;
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;
235 } else {
236 node->staged = sw_context->staged_bindings;
237 sw_context->staged_bindings_inuse = true;
240 node->ctx = res;
241 node->cur = vmw_context_binding_state(res);
242 list_add_tail(&node->head, &sw_context->ctx_list);
244 return 0;
246 out_err:
247 return ret;
251 * vmw_execbuf_res_size - calculate extra size fore the resource validation node
253 * @dev_priv: Pointer to the device private struct.
254 * @res_type: The resource type.
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.
260 * Returns: The extra size requirement based on resource type.
262 static unsigned int vmw_execbuf_res_size(struct vmw_private *dev_priv,
263 enum vmw_res_type res_type)
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;
271 * vmw_execbuf_rcache_update - Update a resource-node cache entry
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.
278 static void vmw_execbuf_rcache_update(struct vmw_res_cache_entry *rcache,
279 struct vmw_resource *res,
280 void *private)
282 rcache->res = res;
283 rcache->private = private;
284 rcache->valid = 1;
285 rcache->valid_handle = 0;
289 * vmw_execbuf_res_noref_val_add - Add a resource described by an unreferenced
290 * rcu-protected pointer to the validation list.
292 * @sw_context: Pointer to the software context.
293 * @res: Unreferenced rcu-protected pointer to the resource.
294 * @dirty: Whether to change dirty status.
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.
299 static int vmw_execbuf_res_noref_val_add(struct vmw_sw_context *sw_context,
300 struct vmw_resource *res,
301 u32 dirty)
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;
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;
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;
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;
337 vmw_execbuf_rcache_update(rcache, res, ctx_info);
338 return 0;
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
345 * @sw_context: Pointer to the software context.
346 * @res: Pointer to the resource.
347 * @dirty: Whether to change dirty status.
349 * Returns: Zero on success. Negative error code on failure.
351 static int vmw_execbuf_res_noctx_val_add(struct vmw_sw_context *sw_context,
352 struct vmw_resource *res,
353 u32 dirty)
355 struct vmw_res_cache_entry *rcache;
356 enum vmw_res_type res_type = vmw_res_type(res);
357 void *ptr;
358 int ret;
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;
368 ret = vmw_validation_add_resource(sw_context->ctx, res, 0, dirty,
369 &ptr, NULL);
370 if (ret)
371 return ret;
373 vmw_execbuf_rcache_update(rcache, res, ptr);
375 return 0;
379 * vmw_view_res_val_add - Add a view and the surface it's pointing to to the
380 * validation list
382 * @sw_context: The software context holding the validation list.
383 * @view: Pointer to the view resource.
385 * Returns 0 if success, negative error code otherwise.
387 static int vmw_view_res_val_add(struct vmw_sw_context *sw_context,
388 struct vmw_resource *view)
390 int ret;
393 * First add the resource the view is pointing to, otherwise it may be
394 * swapped out when the view is validated.
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;
401 return vmw_execbuf_res_noctx_val_add(sw_context, view,
402 VMW_RES_DIRTY_NONE);
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.
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.
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.
417 * Returns: Unreferenced pointer to the resource on success, negative error
418 * pointer on failure.
420 static struct vmw_resource *
421 vmw_view_id_val_add(struct vmw_sw_context *sw_context,
422 enum vmw_view_type view_type, u32 id)
424 struct vmw_ctx_validation_info *ctx_node = sw_context->dx_ctx_node;
425 struct vmw_resource *view;
426 int ret;
428 if (!ctx_node)
429 return ERR_PTR(-EINVAL);
431 view = vmw_view_lookup(sw_context->man, view_type, id);
432 if (IS_ERR(view))
433 return view;
435 ret = vmw_view_res_val_add(sw_context, view);
436 if (ret)
437 return ERR_PTR(ret);
439 return view;
443 * vmw_resource_context_res_add - Put resources previously bound to a context on
444 * the validation list
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
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
453 static int vmw_resource_context_res_add(struct vmw_private *dev_priv,
454 struct vmw_sw_context *sw_context,
455 struct vmw_resource *ctx)
457 struct list_head *binding_list;
458 struct vmw_ctx_bindinfo *entry;
459 int ret = 0;
460 struct vmw_resource *res;
461 u32 i;
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;
470 ret = vmw_execbuf_res_noctx_val_add(sw_context, res,
471 VMW_RES_DIRTY_SET);
472 if (unlikely(ret != 0))
473 return ret;
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);
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;
492 if (dev_priv->has_dx && vmw_res_type(ctx) == vmw_res_dx_context) {
493 struct vmw_buffer_object *dx_query_mob;
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);
501 mutex_unlock(&dev_priv->binding_mutex);
502 return ret;
506 * vmw_resource_relocation_add - Add a relocation to the relocation list
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.
514 static 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)
520 struct vmw_resource_relocation *rel;
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;
528 rel->res = res;
529 rel->offset = offset;
530 rel->rel_type = rel_type;
531 list_add_tail(&rel->head, &sw_context->res_relocations);
533 return 0;
537 * vmw_resource_relocations_free - Free all relocations on a list
539 * @list: Pointer to the head of the relocation list
541 static void vmw_resource_relocations_free(struct list_head *list)
543 /* Memory is validation context memory, so no need to free it */
544 INIT_LIST_HEAD(list);
548 * vmw_resource_relocations_apply - Apply all relocations on a list
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.
555 static void vmw_resource_relocations_apply(uint32_t *cb,
556 struct list_head *list)
558 struct vmw_resource_relocation *rel;
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));
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;
581 static int vmw_cmd_invalid(struct vmw_private *dev_priv,
582 struct vmw_sw_context *sw_context,
583 SVGA3dCmdHeader *header)
585 return -EINVAL;
588 static int vmw_cmd_ok(struct vmw_private *dev_priv,
589 struct vmw_sw_context *sw_context,
590 SVGA3dCmdHeader *header)
592 return 0;
596 * vmw_resources_reserve - Reserve all resources on the sw_context's resource
597 * list.
599 * @sw_context: Pointer to the software context.
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.
605 static int vmw_resources_reserve(struct vmw_sw_context *sw_context)
607 int ret;
609 ret = vmw_validation_res_reserve(sw_context->ctx, true);
610 if (ret)
611 return ret;
613 if (sw_context->dx_query_mob) {
614 struct vmw_buffer_object *expected_dx_query_mob;
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;
624 return ret;
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.
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.
641 static int
642 vmw_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)
650 struct vmw_res_cache_entry *rcache = &sw_context->res_cache[res_type];
651 struct vmw_resource *res;
652 int ret;
654 if (p_res)
655 *p_res = NULL;
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;
662 return 0;
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);
673 ret = vmw_validation_preload_res(sw_context->ctx, size);
674 if (ret)
675 return ret;
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);
685 ret = vmw_execbuf_res_noref_val_add(sw_context, res, dirty);
686 if (unlikely(ret != 0))
687 return ret;
689 if (rcache->valid && rcache->res == res) {
690 rcache->valid_handle = true;
691 rcache->handle = *id_loc;
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;
702 return 0;
706 * vmw_rebind_dx_query - Rebind DX query associated with the context
708 * @ctx_res: context the query belongs to
710 * This function assumes binding_mutex is held.
712 static int vmw_rebind_all_dx_query(struct vmw_resource *ctx_res)
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);
718 dx_query_mob = vmw_context_get_dx_query_mob(ctx_res);
720 if (!dx_query_mob || dx_query_mob->dx_query_ctx)
721 return 0;
723 cmd = VMW_FIFO_RESERVE_DX(dev_priv, sizeof(*cmd), ctx_res->id);
724 if (cmd == NULL)
725 return -ENOMEM;
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));
733 vmw_context_bind_dx_query(ctx_res, dx_query_mob);
735 return 0;
739 * vmw_rebind_contexts - Rebind all resources previously bound to referenced
740 * contexts.
742 * @sw_context: Pointer to the software context.
744 * Rebind context binding points that have been scrubbed because of eviction.
746 static int vmw_rebind_contexts(struct vmw_sw_context *sw_context)
748 struct vmw_ctx_validation_info *val;
749 int ret;
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;
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;
766 return 0;
770 * vmw_view_bindings_add - Add an array of view bindings to a context binding
771 * state tracker.
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.
781 static 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)
788 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
789 u32 i;
791 if (!ctx_node)
792 return -EINVAL;
794 for (i = 0; i < num_views; ++i) {
795 struct vmw_ctx_bindinfo_view binding;
796 struct vmw_resource *view = NULL;
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);
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);
815 return 0;
819 * vmw_cmd_cid_check - Check a command header for valid context information.
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.
825 * Convenience function: Call vmw_cmd_res_check with the user-space context
826 * handle embedded in @header.
828 static int vmw_cmd_cid_check(struct vmw_private *dev_priv,
829 struct vmw_sw_context *sw_context,
830 SVGA3dCmdHeader *header)
832 VMW_DECLARE_CMD_VAR(*cmd, uint32_t) =
833 container_of(header, typeof(*cmd), header);
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);
841 * vmw_execbuf_info_from_res - Get the private validation metadata for a
842 * recently validated resource
844 * @sw_context: Pointer to the command submission context
845 * @res: The resource
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.
851 * Return: a pointer to the private metadata of the resource, or NULL if it
852 * wasn't found
854 static struct vmw_ctx_validation_info *
855 vmw_execbuf_info_from_res(struct vmw_sw_context *sw_context,
856 struct vmw_resource *res)
858 struct vmw_res_cache_entry *rcache =
859 &sw_context->res_cache[vmw_res_type(res)];
861 if (rcache->valid && rcache->res == res)
862 return rcache->private;
864 WARN_ON_ONCE(true);
865 return NULL;
868 static int vmw_cmd_set_render_target_check(struct vmw_private *dev_priv,
869 struct vmw_sw_context *sw_context,
870 SVGA3dCmdHeader *header)
872 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdSetRenderTarget);
873 struct vmw_resource *ctx;
874 struct vmw_resource *res;
875 int ret;
877 cmd = container_of(header, typeof(*cmd), header);
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;
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;
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;
897 if (dev_priv->has_mob) {
898 struct vmw_ctx_bindinfo_view binding;
899 struct vmw_ctx_validation_info *node;
901 node = vmw_execbuf_info_from_res(sw_context, ctx);
902 if (!node)
903 return -EINVAL;
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);
912 return 0;
915 static int vmw_cmd_surface_copy_check(struct vmw_private *dev_priv,
916 struct vmw_sw_context *sw_context,
917 SVGA3dCmdHeader *header)
919 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdSurfaceCopy);
920 int ret;
922 cmd = container_of(header, typeof(*cmd), header);
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;
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);
935 static int vmw_cmd_buffer_copy_check(struct vmw_private *dev_priv,
936 struct vmw_sw_context *sw_context,
937 SVGA3dCmdHeader *header)
939 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXBufferCopy);
940 int ret;
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;
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);
954 static int vmw_cmd_pred_copy_check(struct vmw_private *dev_priv,
955 struct vmw_sw_context *sw_context,
956 SVGA3dCmdHeader *header)
958 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXPredCopyRegion);
959 int ret;
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;
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);
973 static int vmw_cmd_stretch_blt_check(struct vmw_private *dev_priv,
974 struct vmw_sw_context *sw_context,
975 SVGA3dCmdHeader *header)
977 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdSurfaceStretchBlt);
978 int ret;
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;
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);
992 static int vmw_cmd_blt_surf_screen_check(struct vmw_private *dev_priv,
993 struct vmw_sw_context *sw_context,
994 SVGA3dCmdHeader *header)
996 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdBlitSurfaceToScreen) =
997 container_of(header, typeof(*cmd), header);
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);
1004 static int vmw_cmd_present_check(struct vmw_private *dev_priv,
1005 struct vmw_sw_context *sw_context,
1006 SVGA3dCmdHeader *header)
1008 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdPresent) =
1009 container_of(header, typeof(*cmd), header);
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);
1017 * vmw_query_bo_switch_prepare - Prepare to switch pinned buffer for queries.
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.
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.
1028 static 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)
1032 struct vmw_res_cache_entry *ctx_entry =
1033 &sw_context->res_cache[vmw_res_context];
1034 int ret;
1036 BUG_ON(!ctx_entry->valid);
1037 sw_context->last_query_ctx = ctx_entry->res;
1039 if (unlikely(new_query_bo != sw_context->cur_query_bo)) {
1041 if (unlikely(new_query_bo->base.num_pages > 4)) {
1042 VMW_DEBUG_USER("Query buffer too large.\n");
1043 return -EINVAL;
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;
1054 sw_context->cur_query_bo = new_query_bo;
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;
1063 return 0;
1067 * vmw_query_bo_switch_commit - Finalize switching pinned query buffer
1069 * @dev_priv: The device private structure.
1070 * @sw_context: The software context used for this command submission batch.
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.
1080 * As mentioned above, both the new - and old query buffers need to be fenced
1081 * using a sequence emitted *after* calling this function.
1083 static void vmw_query_bo_switch_commit(struct vmw_private *dev_priv,
1084 struct vmw_sw_context *sw_context)
1087 * The validate list should still hold references to all
1088 * contexts here.
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;
1096 BUG_ON(!ctx_entry->valid);
1097 ctx = ctx_entry->res;
1099 ret = vmw_fifo_emit_dummy_query(dev_priv, ctx->id);
1101 if (unlikely(ret != 0))
1102 VMW_DEBUG_USER("Out of fifo space for dummy query.\n");
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);
1111 if (!sw_context->needs_post_query_barrier) {
1112 vmw_bo_pin_reserved(sw_context->cur_query_bo, true);
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.
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;
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);
1135 * vmw_translate_mob_pointer - Prepare to translate a user-space buffer handle
1136 * to a MOB id.
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.
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().
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.
1154 static 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)
1159 struct vmw_buffer_object *vmw_bo;
1160 uint32_t handle = *id;
1161 struct vmw_relocation *reloc;
1162 int ret;
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);
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;
1176 reloc = vmw_validation_mem_alloc(sw_context->ctx, sizeof(*reloc));
1177 if (!reloc)
1178 return -ENOMEM;
1180 reloc->mob_loc = id;
1181 reloc->vbo = vmw_bo;
1183 *vmw_bo_p = vmw_bo;
1184 list_add_tail(&reloc->head, &sw_context->bo_relocations);
1186 return 0;
1190 * vmw_translate_guest_pointer - Prepare to translate a user-space buffer handle
1191 * to a valid SVGAGuestPtr
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.
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().
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.
1209 static 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)
1214 struct vmw_buffer_object *vmw_bo;
1215 uint32_t handle = ptr->gmrId;
1216 struct vmw_relocation *reloc;
1217 int ret;
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);
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;
1231 reloc = vmw_validation_mem_alloc(sw_context->ctx, sizeof(*reloc));
1232 if (!reloc)
1233 return -ENOMEM;
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);
1240 return 0;
1244 * vmw_cmd_dx_define_query - validate SVGA_3D_CMD_DX_DEFINE_QUERY command.
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.
1250 * This function adds the new query into the query COTABLE
1252 static int vmw_cmd_dx_define_query(struct vmw_private *dev_priv,
1253 struct vmw_sw_context *sw_context,
1254 SVGA3dCmdHeader *header)
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;
1261 if (!ctx_node)
1262 return -EINVAL;
1264 cmd = container_of(header, typeof(*cmd), header);
1266 if (cmd->body.type < SVGA3D_QUERYTYPE_MIN ||
1267 cmd->body.type >= SVGA3D_QUERYTYPE_MAX)
1268 return -EINVAL;
1270 cotable_res = vmw_context_cotable(ctx_node->ctx, SVGA_COTABLE_DXQUERY);
1271 ret = vmw_cotable_notify(cotable_res, cmd->body.queryId);
1273 return ret;
1277 * vmw_cmd_dx_bind_query - validate SVGA_3D_CMD_DX_BIND_QUERY command.
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.
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.
1287 static int vmw_cmd_dx_bind_query(struct vmw_private *dev_priv,
1288 struct vmw_sw_context *sw_context,
1289 SVGA3dCmdHeader *header)
1291 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXBindQuery);
1292 struct vmw_buffer_object *vmw_bo;
1293 int ret;
1295 cmd = container_of(header, typeof(*cmd), header);
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
1301 ret = vmw_translate_mob_ptr(dev_priv, sw_context, &cmd->body.mobid,
1302 &vmw_bo);
1304 if (ret != 0)
1305 return ret;
1307 sw_context->dx_query_mob = vmw_bo;
1308 sw_context->dx_query_ctx = sw_context->dx_ctx_node->ctx;
1309 return 0;
1313 * vmw_cmd_begin_gb_query - validate SVGA_3D_CMD_BEGIN_GB_QUERY command.
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.
1319 static int vmw_cmd_begin_gb_query(struct vmw_private *dev_priv,
1320 struct vmw_sw_context *sw_context,
1321 SVGA3dCmdHeader *header)
1323 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdBeginGBQuery) =
1324 container_of(header, typeof(*cmd), header);
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);
1332 * vmw_cmd_begin_query - validate SVGA_3D_CMD_BEGIN_QUERY command.
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.
1338 static int vmw_cmd_begin_query(struct vmw_private *dev_priv,
1339 struct vmw_sw_context *sw_context,
1340 SVGA3dCmdHeader *header)
1342 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdBeginQuery) =
1343 container_of(header, typeof(*cmd), header);
1345 if (unlikely(dev_priv->has_mob)) {
1346 VMW_DECLARE_CMD_VAR(gb_cmd, SVGA3dCmdBeginGBQuery);
1348 BUG_ON(sizeof(gb_cmd) != sizeof(*cmd));
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;
1355 memcpy(cmd, &gb_cmd, sizeof(*cmd));
1356 return vmw_cmd_begin_gb_query(dev_priv, sw_context, header);
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);
1365 * vmw_cmd_end_gb_query - validate SVGA_3D_CMD_END_GB_QUERY command.
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.
1371 static int vmw_cmd_end_gb_query(struct vmw_private *dev_priv,
1372 struct vmw_sw_context *sw_context,
1373 SVGA3dCmdHeader *header)
1375 struct vmw_buffer_object *vmw_bo;
1376 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdEndGBQuery);
1377 int ret;
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;
1384 ret = vmw_translate_mob_ptr(dev_priv, sw_context, &cmd->body.mobid,
1385 &vmw_bo);
1386 if (unlikely(ret != 0))
1387 return ret;
1389 ret = vmw_query_bo_switch_prepare(dev_priv, vmw_bo, sw_context);
1391 return ret;
1395 * vmw_cmd_end_query - validate SVGA_3D_CMD_END_QUERY command.
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.
1401 static int vmw_cmd_end_query(struct vmw_private *dev_priv,
1402 struct vmw_sw_context *sw_context,
1403 SVGA3dCmdHeader *header)
1405 struct vmw_buffer_object *vmw_bo;
1406 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdEndQuery);
1407 int ret;
1409 cmd = container_of(header, typeof(*cmd), header);
1410 if (dev_priv->has_mob) {
1411 VMW_DECLARE_CMD_VAR(gb_cmd, SVGA3dCmdEndGBQuery);
1413 BUG_ON(sizeof(gb_cmd) != sizeof(*cmd));
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;
1422 memcpy(cmd, &gb_cmd, sizeof(*cmd));
1423 return vmw_cmd_end_gb_query(dev_priv, sw_context, header);
1426 ret = vmw_cmd_cid_check(dev_priv, sw_context, header);
1427 if (unlikely(ret != 0))
1428 return ret;
1430 ret = vmw_translate_guest_ptr(dev_priv, sw_context,
1431 &cmd->body.guestResult, &vmw_bo);
1432 if (unlikely(ret != 0))
1433 return ret;
1435 ret = vmw_query_bo_switch_prepare(dev_priv, vmw_bo, sw_context);
1437 return ret;
1441 * vmw_cmd_wait_gb_query - validate SVGA_3D_CMD_WAIT_GB_QUERY command.
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.
1447 static int vmw_cmd_wait_gb_query(struct vmw_private *dev_priv,
1448 struct vmw_sw_context *sw_context,
1449 SVGA3dCmdHeader *header)
1451 struct vmw_buffer_object *vmw_bo;
1452 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdWaitForGBQuery);
1453 int ret;
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;
1460 ret = vmw_translate_mob_ptr(dev_priv, sw_context, &cmd->body.mobid,
1461 &vmw_bo);
1462 if (unlikely(ret != 0))
1463 return ret;
1465 return 0;
1469 * vmw_cmd_wait_query - validate SVGA_3D_CMD_WAIT_QUERY command.
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.
1475 static int vmw_cmd_wait_query(struct vmw_private *dev_priv,
1476 struct vmw_sw_context *sw_context,
1477 SVGA3dCmdHeader *header)
1479 struct vmw_buffer_object *vmw_bo;
1480 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdWaitForQuery);
1481 int ret;
1483 cmd = container_of(header, typeof(*cmd), header);
1484 if (dev_priv->has_mob) {
1485 VMW_DECLARE_CMD_VAR(gb_cmd, SVGA3dCmdWaitForGBQuery);
1487 BUG_ON(sizeof(gb_cmd) != sizeof(*cmd));
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;
1496 memcpy(cmd, &gb_cmd, sizeof(*cmd));
1497 return vmw_cmd_wait_gb_query(dev_priv, sw_context, header);
1500 ret = vmw_cmd_cid_check(dev_priv, sw_context, header);
1501 if (unlikely(ret != 0))
1502 return ret;
1504 ret = vmw_translate_guest_ptr(dev_priv, sw_context,
1505 &cmd->body.guestResult, &vmw_bo);
1506 if (unlikely(ret != 0))
1507 return ret;
1509 return 0;
1512 static int vmw_cmd_dma(struct vmw_private *dev_priv,
1513 struct vmw_sw_context *sw_context,
1514 SVGA3dCmdHeader *header)
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;
1524 cmd = container_of(header, typeof(*cmd), header);
1525 suffix = (SVGA3dCmdSurfaceDMASuffix *)((unsigned long) &cmd->body +
1526 header->size - sizeof(*suffix));
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;
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;
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;
1546 bo_size -= cmd->body.guest.ptr.offset;
1547 if (unlikely(suffix->maximumOffset > bo_size))
1548 suffix->maximumOffset = bo_size;
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;
1561 srf = vmw_res_to_srf(sw_context->res_cache[vmw_res_surface].res);
1563 vmw_kms_cursor_snoop(srf, sw_context->fp->tfile, &vmw_bo->base, header);
1565 return 0;
1568 static int vmw_cmd_draw(struct vmw_private *dev_priv,
1569 struct vmw_sw_context *sw_context,
1570 SVGA3dCmdHeader *header)
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;
1580 ret = vmw_cmd_cid_check(dev_priv, sw_context, header);
1581 if (unlikely(ret != 0))
1582 return ret;
1584 cmd = container_of(header, typeof(*cmd), header);
1585 maxnum = (header->size - sizeof(cmd->body)) / sizeof(*decl);
1587 if (unlikely(cmd->body.numVertexDecls > maxnum)) {
1588 VMW_DEBUG_USER("Illegal number of vertex declarations.\n");
1589 return -EINVAL;
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;
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;
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;
1617 return 0;
1620 static int vmw_cmd_tex_state(struct vmw_private *dev_priv,
1621 struct vmw_sw_context *sw_context,
1622 SVGA3dCmdHeader *header)
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;
1633 cmd = container_of(header, typeof(*cmd), header);
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;
1641 for (; cur_state < last_state; ++cur_state) {
1642 if (likely(cur_state->name != SVGA3D_TS_BIND_TEXTURE))
1643 continue;
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;
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;
1658 if (dev_priv->has_mob) {
1659 struct vmw_ctx_bindinfo_tex binding;
1660 struct vmw_ctx_validation_info *node;
1662 node = vmw_execbuf_info_from_res(sw_context, ctx);
1663 if (!node)
1664 return -EINVAL;
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);
1675 return 0;
1678 static int vmw_cmd_check_define_gmrfb(struct vmw_private *dev_priv,
1679 struct vmw_sw_context *sw_context,
1680 void *buf)
1682 struct vmw_buffer_object *vmw_bo;
1684 struct {
1685 uint32_t header;
1686 SVGAFifoCmdDefineGMRFB body;
1687 } *cmd = buf;
1689 return vmw_translate_guest_ptr(dev_priv, sw_context, &cmd->body.ptr,
1690 &vmw_bo);
1694 * vmw_cmd_res_switch_backup - Utility function to handle backup buffer
1695 * switching
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.
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.
1708 static 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)
1713 struct vmw_buffer_object *vbo;
1714 void *info;
1715 int ret;
1717 info = vmw_execbuf_info_from_res(sw_context, res);
1718 if (!info)
1719 return -EINVAL;
1721 ret = vmw_translate_mob_ptr(dev_priv, sw_context, buf_id, &vbo);
1722 if (ret)
1723 return ret;
1725 vmw_validation_res_switch_backup(sw_context->ctx, info, vbo,
1726 backup_offset);
1727 return 0;
1731 * vmw_cmd_switch_backup - Utility function to handle backup buffer switching
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.
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.
1746 static 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)
1753 struct vmw_resource *res;
1754 int ret;
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;
1761 return vmw_cmd_res_switch_backup(dev_priv, sw_context, res, buf_id,
1762 backup_offset);
1766 * vmw_cmd_bind_gb_surface - Validate SVGA_3D_CMD_BIND_GB_SURFACE command
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.
1772 static int vmw_cmd_bind_gb_surface(struct vmw_private *dev_priv,
1773 struct vmw_sw_context *sw_context,
1774 SVGA3dCmdHeader *header)
1776 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdBindGBSurface) =
1777 container_of(header, typeof(*cmd), header);
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);
1785 * vmw_cmd_update_gb_image - Validate SVGA_3D_CMD_UPDATE_GB_IMAGE command
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.
1791 static int vmw_cmd_update_gb_image(struct vmw_private *dev_priv,
1792 struct vmw_sw_context *sw_context,
1793 SVGA3dCmdHeader *header)
1795 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdUpdateGBImage) =
1796 container_of(header, typeof(*cmd), header);
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);
1804 * vmw_cmd_update_gb_surface - Validate SVGA_3D_CMD_UPDATE_GB_SURFACE command
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.
1810 static int vmw_cmd_update_gb_surface(struct vmw_private *dev_priv,
1811 struct vmw_sw_context *sw_context,
1812 SVGA3dCmdHeader *header)
1814 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdUpdateGBSurface) =
1815 container_of(header, typeof(*cmd), header);
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);
1823 * vmw_cmd_readback_gb_image - Validate SVGA_3D_CMD_READBACK_GB_IMAGE command
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.
1829 static int vmw_cmd_readback_gb_image(struct vmw_private *dev_priv,
1830 struct vmw_sw_context *sw_context,
1831 SVGA3dCmdHeader *header)
1833 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdReadbackGBImage) =
1834 container_of(header, typeof(*cmd), header);
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);
1842 * vmw_cmd_readback_gb_surface - Validate SVGA_3D_CMD_READBACK_GB_SURFACE
1843 * command
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.
1849 static int vmw_cmd_readback_gb_surface(struct vmw_private *dev_priv,
1850 struct vmw_sw_context *sw_context,
1851 SVGA3dCmdHeader *header)
1853 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdReadbackGBSurface) =
1854 container_of(header, typeof(*cmd), header);
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);
1862 * vmw_cmd_invalidate_gb_image - Validate SVGA_3D_CMD_INVALIDATE_GB_IMAGE
1863 * command
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.
1869 static int vmw_cmd_invalidate_gb_image(struct vmw_private *dev_priv,
1870 struct vmw_sw_context *sw_context,
1871 SVGA3dCmdHeader *header)
1873 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdInvalidateGBImage) =
1874 container_of(header, typeof(*cmd), header);
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);
1882 * vmw_cmd_invalidate_gb_surface - Validate SVGA_3D_CMD_INVALIDATE_GB_SURFACE
1883 * command
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.
1889 static int vmw_cmd_invalidate_gb_surface(struct vmw_private *dev_priv,
1890 struct vmw_sw_context *sw_context,
1891 SVGA3dCmdHeader *header)
1893 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdInvalidateGBSurface) =
1894 container_of(header, typeof(*cmd), header);
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);
1902 * vmw_cmd_shader_define - Validate SVGA_3D_CMD_SHADER_DEFINE command
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.
1908 static int vmw_cmd_shader_define(struct vmw_private *dev_priv,
1909 struct vmw_sw_context *sw_context,
1910 SVGA3dCmdHeader *header)
1912 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDefineShader);
1913 int ret;
1914 size_t size;
1915 struct vmw_resource *ctx;
1917 cmd = container_of(header, typeof(*cmd), header);
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;
1925 if (unlikely(!dev_priv->has_mob))
1926 return 0;
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;
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);
1942 * vmw_cmd_shader_destroy - Validate SVGA_3D_CMD_SHADER_DESTROY command
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.
1948 static int vmw_cmd_shader_destroy(struct vmw_private *dev_priv,
1949 struct vmw_sw_context *sw_context,
1950 SVGA3dCmdHeader *header)
1952 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDestroyShader);
1953 int ret;
1954 struct vmw_resource *ctx;
1956 cmd = container_of(header, typeof(*cmd), header);
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;
1964 if (unlikely(!dev_priv->has_mob))
1965 return 0;
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;
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);
1979 * vmw_cmd_set_shader - Validate SVGA_3D_CMD_SET_SHADER command
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.
1985 static int vmw_cmd_set_shader(struct vmw_private *dev_priv,
1986 struct vmw_sw_context *sw_context,
1987 SVGA3dCmdHeader *header)
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;
1995 cmd = container_of(header, typeof(*cmd), header);
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;
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;
2009 if (!dev_priv->has_mob)
2010 return 0;
2012 if (cmd->body.shid != SVGA3D_INVALID_ID) {
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.
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;
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;
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;
2045 ctx_info = vmw_execbuf_info_from_res(sw_context, ctx);
2046 if (!ctx_info)
2047 return -EINVAL;
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);
2055 return 0;
2059 * vmw_cmd_set_shader_const - Validate SVGA_3D_CMD_SET_SHADER_CONST command
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.
2065 static int vmw_cmd_set_shader_const(struct vmw_private *dev_priv,
2066 struct vmw_sw_context *sw_context,
2067 SVGA3dCmdHeader *header)
2069 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdSetShaderConst);
2070 int ret;
2072 cmd = container_of(header, typeof(*cmd), header);
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;
2080 if (dev_priv->has_mob)
2081 header->id = SVGA_3D_CMD_SET_GB_SHADERCONSTS_INLINE;
2083 return 0;
2087 * vmw_cmd_bind_gb_shader - Validate SVGA_3D_CMD_BIND_GB_SHADER command
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.
2093 static int vmw_cmd_bind_gb_shader(struct vmw_private *dev_priv,
2094 struct vmw_sw_context *sw_context,
2095 SVGA3dCmdHeader *header)
2097 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdBindGBShader) =
2098 container_of(header, typeof(*cmd), header);
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);
2106 * vmw_cmd_dx_set_single_constant_buffer - Validate
2107 * SVGA_3D_CMD_DX_SET_SINGLE_CONSTANT_BUFFER command.
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.
2113 static int
2114 vmw_cmd_dx_set_single_constant_buffer(struct vmw_private *dev_priv,
2115 struct vmw_sw_context *sw_context,
2116 SVGA3dCmdHeader *header)
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;
2124 if (!ctx_node)
2125 return -EINVAL;
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;
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;
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;
2150 vmw_binding_add(ctx_node->staged, &binding.bi, binding.shader_slot,
2151 binding.slot);
2153 return 0;
2157 * vmw_cmd_dx_set_shader_res - Validate SVGA_3D_CMD_DX_SET_SHADER_RESOURCES
2158 * command
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.
2164 static int vmw_cmd_dx_set_shader_res(struct vmw_private *dev_priv,
2165 struct vmw_sw_context *sw_context,
2166 SVGA3dCmdHeader *header)
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);
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;
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);
2188 * vmw_cmd_dx_set_shader - Validate SVGA_3D_CMD_DX_SET_SHADER command
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.
2194 static int vmw_cmd_dx_set_shader(struct vmw_private *dev_priv,
2195 struct vmw_sw_context *sw_context,
2196 SVGA3dCmdHeader *header)
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;
2204 if (!ctx_node)
2205 return -EINVAL;
2207 cmd = container_of(header, typeof(*cmd), header);
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;
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);
2223 ret = vmw_execbuf_res_noctx_val_add(sw_context, res,
2224 VMW_RES_DIRTY_NONE);
2225 if (ret)
2226 return ret;
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;
2234 vmw_binding_add(ctx_node->staged, &binding.bi, binding.shader_slot, 0);
2236 return 0;
2240 * vmw_cmd_dx_set_vertex_buffers - Validates SVGA_3D_CMD_DX_SET_VERTEX_BUFFERS
2241 * command
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.
2247 static int vmw_cmd_dx_set_vertex_buffers(struct vmw_private *dev_priv,
2248 struct vmw_sw_context *sw_context,
2249 SVGA3dCmdHeader *header)
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;
2261 if (!ctx_node)
2262 return -EINVAL;
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;
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;
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;
2288 vmw_binding_add(ctx_node->staged, &binding.bi, 0, binding.slot);
2291 return 0;
2295 * vmw_cmd_dx_ia_set_vertex_buffers - Validate
2296 * SVGA_3D_CMD_DX_IA_SET_INDEX_BUFFER command.
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.
2302 static int vmw_cmd_dx_set_index_buffer(struct vmw_private *dev_priv,
2303 struct vmw_sw_context *sw_context,
2304 SVGA3dCmdHeader *header)
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;
2312 if (!ctx_node)
2313 return -EINVAL;
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;
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;
2328 vmw_binding_add(ctx_node->staged, &binding.bi, 0, 0);
2330 return 0;
2334 * vmw_cmd_dx_set_rendertarget - Validate SVGA_3D_CMD_DX_SET_RENDERTARGETS
2335 * command
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.
2341 static int vmw_cmd_dx_set_rendertargets(struct vmw_private *dev_priv,
2342 struct vmw_sw_context *sw_context,
2343 SVGA3dCmdHeader *header)
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;
2351 if (num_rt_view > SVGA3D_MAX_SIMULTANEOUS_RENDER_TARGETS) {
2352 VMW_DEBUG_USER("Invalid DX Rendertarget binding.\n");
2353 return -EINVAL;
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;
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);
2367 * vmw_cmd_dx_clear_rendertarget_view - Validate
2368 * SVGA_3D_CMD_DX_CLEAR_RENDERTARGET_VIEW command
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.
2374 static int vmw_cmd_dx_clear_rendertarget_view(struct vmw_private *dev_priv,
2375 struct vmw_sw_context *sw_context,
2376 SVGA3dCmdHeader *header)
2378 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXClearRenderTargetView) =
2379 container_of(header, typeof(*cmd), header);
2380 struct vmw_resource *ret;
2382 ret = vmw_view_id_val_add(sw_context, vmw_view_rt,
2383 cmd->body.renderTargetViewId);
2385 return PTR_ERR_OR_ZERO(ret);
2389 * vmw_cmd_dx_clear_rendertarget_view - Validate
2390 * SVGA_3D_CMD_DX_CLEAR_DEPTHSTENCIL_VIEW command
2392 * @dev_priv: Pointer to a device private struct.
2393 * @sw_context: The software context being used for this batch.
2394 * @header: Pointer to the command header in the command stream.
2396 static int vmw_cmd_dx_clear_depthstencil_view(struct vmw_private *dev_priv,
2397 struct vmw_sw_context *sw_context,
2398 SVGA3dCmdHeader *header)
2400 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXClearDepthStencilView) =
2401 container_of(header, typeof(*cmd), header);
2402 struct vmw_resource *ret;
2404 ret = vmw_view_id_val_add(sw_context, vmw_view_ds,
2405 cmd->body.depthStencilViewId);
2407 return PTR_ERR_OR_ZERO(ret);
2410 static int vmw_cmd_dx_view_define(struct vmw_private *dev_priv,
2411 struct vmw_sw_context *sw_context,
2412 SVGA3dCmdHeader *header)
2414 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
2415 struct vmw_resource *srf;
2416 struct vmw_resource *res;
2417 enum vmw_view_type view_type;
2418 int ret;
2420 * This is based on the fact that all affected define commands have the
2421 * same initial command body layout.
2423 struct {
2424 SVGA3dCmdHeader header;
2425 uint32 defined_id;
2426 uint32 sid;
2427 } *cmd;
2429 if (!ctx_node)
2430 return -EINVAL;
2432 view_type = vmw_view_cmd_to_type(header->id);
2433 if (view_type == vmw_view_max)
2434 return -EINVAL;
2436 cmd = container_of(header, typeof(*cmd), header);
2437 if (unlikely(cmd->sid == SVGA3D_INVALID_ID)) {
2438 VMW_DEBUG_USER("Invalid surface id.\n");
2439 return -EINVAL;
2441 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2442 VMW_RES_DIRTY_NONE, user_surface_converter,
2443 &cmd->sid, &srf);
2444 if (unlikely(ret != 0))
2445 return ret;
2447 res = vmw_context_cotable(ctx_node->ctx, vmw_view_cotables[view_type]);
2448 ret = vmw_cotable_notify(res, cmd->defined_id);
2449 if (unlikely(ret != 0))
2450 return ret;
2452 return vmw_view_add(sw_context->man, ctx_node->ctx, srf, view_type,
2453 cmd->defined_id, header,
2454 header->size + sizeof(*header),
2455 &sw_context->staged_cmd_res);
2459 * vmw_cmd_dx_set_so_targets - Validate SVGA_3D_CMD_DX_SET_SOTARGETS command.
2461 * @dev_priv: Pointer to a device private struct.
2462 * @sw_context: The software context being used for this batch.
2463 * @header: Pointer to the command header in the command stream.
2465 static int vmw_cmd_dx_set_so_targets(struct vmw_private *dev_priv,
2466 struct vmw_sw_context *sw_context,
2467 SVGA3dCmdHeader *header)
2469 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
2470 struct vmw_ctx_bindinfo_so binding;
2471 struct vmw_resource *res;
2472 struct {
2473 SVGA3dCmdHeader header;
2474 SVGA3dCmdDXSetSOTargets body;
2475 SVGA3dSoTarget targets[];
2476 } *cmd;
2477 int i, ret, num;
2479 if (!ctx_node)
2480 return -EINVAL;
2482 cmd = container_of(header, typeof(*cmd), header);
2483 num = (cmd->header.size - sizeof(cmd->body)) / sizeof(SVGA3dSoTarget);
2485 if (num > SVGA3D_DX_MAX_SOTARGETS) {
2486 VMW_DEBUG_USER("Invalid DX SO binding.\n");
2487 return -EINVAL;
2490 for (i = 0; i < num; i++) {
2491 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2492 VMW_RES_DIRTY_SET,
2493 user_surface_converter,
2494 &cmd->targets[i].sid, &res);
2495 if (unlikely(ret != 0))
2496 return ret;
2498 binding.bi.ctx = ctx_node->ctx;
2499 binding.bi.res = res;
2500 binding.bi.bt = vmw_ctx_binding_so,
2501 binding.offset = cmd->targets[i].offset;
2502 binding.size = cmd->targets[i].sizeInBytes;
2503 binding.slot = i;
2505 vmw_binding_add(ctx_node->staged, &binding.bi, 0, binding.slot);
2508 return 0;
2511 static int vmw_cmd_dx_so_define(struct vmw_private *dev_priv,
2512 struct vmw_sw_context *sw_context,
2513 SVGA3dCmdHeader *header)
2515 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
2516 struct vmw_resource *res;
2518 * This is based on the fact that all affected define commands have
2519 * the same initial command body layout.
2521 struct {
2522 SVGA3dCmdHeader header;
2523 uint32 defined_id;
2524 } *cmd;
2525 enum vmw_so_type so_type;
2526 int ret;
2528 if (!ctx_node)
2529 return -EINVAL;
2531 so_type = vmw_so_cmd_to_type(header->id);
2532 res = vmw_context_cotable(ctx_node->ctx, vmw_so_cotables[so_type]);
2533 cmd = container_of(header, typeof(*cmd), header);
2534 ret = vmw_cotable_notify(res, cmd->defined_id);
2536 return ret;
2540 * vmw_cmd_dx_check_subresource - Validate SVGA_3D_CMD_DX_[X]_SUBRESOURCE
2541 * command
2543 * @dev_priv: Pointer to a device private struct.
2544 * @sw_context: The software context being used for this batch.
2545 * @header: Pointer to the command header in the command stream.
2547 static int vmw_cmd_dx_check_subresource(struct vmw_private *dev_priv,
2548 struct vmw_sw_context *sw_context,
2549 SVGA3dCmdHeader *header)
2551 struct {
2552 SVGA3dCmdHeader header;
2553 union {
2554 SVGA3dCmdDXReadbackSubResource r_body;
2555 SVGA3dCmdDXInvalidateSubResource i_body;
2556 SVGA3dCmdDXUpdateSubResource u_body;
2557 SVGA3dSurfaceId sid;
2559 } *cmd;
2561 BUILD_BUG_ON(offsetof(typeof(*cmd), r_body.sid) !=
2562 offsetof(typeof(*cmd), sid));
2563 BUILD_BUG_ON(offsetof(typeof(*cmd), i_body.sid) !=
2564 offsetof(typeof(*cmd), sid));
2565 BUILD_BUG_ON(offsetof(typeof(*cmd), u_body.sid) !=
2566 offsetof(typeof(*cmd), sid));
2568 cmd = container_of(header, typeof(*cmd), header);
2569 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2570 VMW_RES_DIRTY_NONE, user_surface_converter,
2571 &cmd->sid, NULL);
2574 static int vmw_cmd_dx_cid_check(struct vmw_private *dev_priv,
2575 struct vmw_sw_context *sw_context,
2576 SVGA3dCmdHeader *header)
2578 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
2580 if (!ctx_node)
2581 return -EINVAL;
2583 return 0;
2587 * vmw_cmd_dx_view_remove - validate a view remove command and schedule the view
2588 * resource for removal.
2590 * @dev_priv: Pointer to a device private struct.
2591 * @sw_context: The software context being used for this batch.
2592 * @header: Pointer to the command header in the command stream.
2594 * Check that the view exists, and if it was not created using this command
2595 * batch, conditionally make this command a NOP.
2597 static int vmw_cmd_dx_view_remove(struct vmw_private *dev_priv,
2598 struct vmw_sw_context *sw_context,
2599 SVGA3dCmdHeader *header)
2601 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
2602 struct {
2603 SVGA3dCmdHeader header;
2604 union vmw_view_destroy body;
2605 } *cmd = container_of(header, typeof(*cmd), header);
2606 enum vmw_view_type view_type = vmw_view_cmd_to_type(header->id);
2607 struct vmw_resource *view;
2608 int ret;
2610 if (!ctx_node)
2611 return -EINVAL;
2613 ret = vmw_view_remove(sw_context->man, cmd->body.view_id, view_type,
2614 &sw_context->staged_cmd_res, &view);
2615 if (ret || !view)
2616 return ret;
2619 * If the view wasn't created during this command batch, it might
2620 * have been removed due to a context swapout, so add a
2621 * relocation to conditionally make this command a NOP to avoid
2622 * device errors.
2624 return vmw_resource_relocation_add(sw_context, view,
2625 vmw_ptr_diff(sw_context->buf_start,
2626 &cmd->header.id),
2627 vmw_res_rel_cond_nop);
2631 * vmw_cmd_dx_define_shader - Validate SVGA_3D_CMD_DX_DEFINE_SHADER command
2633 * @dev_priv: Pointer to a device private struct.
2634 * @sw_context: The software context being used for this batch.
2635 * @header: Pointer to the command header in the command stream.
2637 static int vmw_cmd_dx_define_shader(struct vmw_private *dev_priv,
2638 struct vmw_sw_context *sw_context,
2639 SVGA3dCmdHeader *header)
2641 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
2642 struct vmw_resource *res;
2643 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXDefineShader) =
2644 container_of(header, typeof(*cmd), header);
2645 int ret;
2647 if (!ctx_node)
2648 return -EINVAL;
2650 res = vmw_context_cotable(ctx_node->ctx, SVGA_COTABLE_DXSHADER);
2651 ret = vmw_cotable_notify(res, cmd->body.shaderId);
2652 if (ret)
2653 return ret;
2655 return vmw_dx_shader_add(sw_context->man, ctx_node->ctx,
2656 cmd->body.shaderId, cmd->body.type,
2657 &sw_context->staged_cmd_res);
2661 * vmw_cmd_dx_destroy_shader - Validate SVGA_3D_CMD_DX_DESTROY_SHADER command
2663 * @dev_priv: Pointer to a device private struct.
2664 * @sw_context: The software context being used for this batch.
2665 * @header: Pointer to the command header in the command stream.
2667 static int vmw_cmd_dx_destroy_shader(struct vmw_private *dev_priv,
2668 struct vmw_sw_context *sw_context,
2669 SVGA3dCmdHeader *header)
2671 struct vmw_ctx_validation_info *ctx_node = VMW_GET_CTX_NODE(sw_context);
2672 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXDestroyShader) =
2673 container_of(header, typeof(*cmd), header);
2674 int ret;
2676 if (!ctx_node)
2677 return -EINVAL;
2679 ret = vmw_shader_remove(sw_context->man, cmd->body.shaderId, 0,
2680 &sw_context->staged_cmd_res);
2682 return ret;
2686 * vmw_cmd_dx_bind_shader - Validate SVGA_3D_CMD_DX_BIND_SHADER command
2688 * @dev_priv: Pointer to a device private struct.
2689 * @sw_context: The software context being used for this batch.
2690 * @header: Pointer to the command header in the command stream.
2692 static int vmw_cmd_dx_bind_shader(struct vmw_private *dev_priv,
2693 struct vmw_sw_context *sw_context,
2694 SVGA3dCmdHeader *header)
2696 struct vmw_resource *ctx;
2697 struct vmw_resource *res;
2698 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXBindShader) =
2699 container_of(header, typeof(*cmd), header);
2700 int ret;
2702 if (cmd->body.cid != SVGA3D_INVALID_ID) {
2703 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
2704 VMW_RES_DIRTY_SET,
2705 user_context_converter, &cmd->body.cid,
2706 &ctx);
2707 if (ret)
2708 return ret;
2709 } else {
2710 struct vmw_ctx_validation_info *ctx_node =
2711 VMW_GET_CTX_NODE(sw_context);
2713 if (!ctx_node)
2714 return -EINVAL;
2716 ctx = ctx_node->ctx;
2719 res = vmw_shader_lookup(vmw_context_res_man(ctx), cmd->body.shid, 0);
2720 if (IS_ERR(res)) {
2721 VMW_DEBUG_USER("Could not find shader to bind.\n");
2722 return PTR_ERR(res);
2725 ret = vmw_execbuf_res_noctx_val_add(sw_context, res,
2726 VMW_RES_DIRTY_NONE);
2727 if (ret) {
2728 VMW_DEBUG_USER("Error creating resource validation node.\n");
2729 return ret;
2732 return vmw_cmd_res_switch_backup(dev_priv, sw_context, res,
2733 &cmd->body.mobid,
2734 cmd->body.offsetInBytes);
2738 * vmw_cmd_dx_genmips - Validate SVGA_3D_CMD_DX_GENMIPS command
2740 * @dev_priv: Pointer to a device private struct.
2741 * @sw_context: The software context being used for this batch.
2742 * @header: Pointer to the command header in the command stream.
2744 static int vmw_cmd_dx_genmips(struct vmw_private *dev_priv,
2745 struct vmw_sw_context *sw_context,
2746 SVGA3dCmdHeader *header)
2748 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXGenMips) =
2749 container_of(header, typeof(*cmd), header);
2750 struct vmw_resource *ret;
2752 ret = vmw_view_id_val_add(sw_context, vmw_view_sr,
2753 cmd->body.shaderResourceViewId);
2755 return PTR_ERR_OR_ZERO(ret);
2759 * vmw_cmd_dx_transfer_from_buffer - Validate
2760 * SVGA_3D_CMD_DX_TRANSFER_FROM_BUFFER command
2762 * @dev_priv: Pointer to a device private struct.
2763 * @sw_context: The software context being used for this batch.
2764 * @header: Pointer to the command header in the command stream.
2766 static int vmw_cmd_dx_transfer_from_buffer(struct vmw_private *dev_priv,
2767 struct vmw_sw_context *sw_context,
2768 SVGA3dCmdHeader *header)
2770 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdDXTransferFromBuffer) =
2771 container_of(header, typeof(*cmd), header);
2772 int ret;
2774 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2775 VMW_RES_DIRTY_NONE, user_surface_converter,
2776 &cmd->body.srcSid, NULL);
2777 if (ret != 0)
2778 return ret;
2780 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2781 VMW_RES_DIRTY_SET, user_surface_converter,
2782 &cmd->body.destSid, NULL);
2786 * vmw_cmd_intra_surface_copy - Validate SVGA_3D_CMD_INTRA_SURFACE_COPY command
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.
2792 static int vmw_cmd_intra_surface_copy(struct vmw_private *dev_priv,
2793 struct vmw_sw_context *sw_context,
2794 SVGA3dCmdHeader *header)
2796 VMW_DECLARE_CMD_VAR(*cmd, SVGA3dCmdIntraSurfaceCopy) =
2797 container_of(header, typeof(*cmd), header);
2799 if (!(dev_priv->capabilities2 & SVGA_CAP2_INTRA_SURFACE_COPY))
2800 return -EINVAL;
2802 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2803 VMW_RES_DIRTY_SET, user_surface_converter,
2804 &cmd->body.surface.sid, NULL);
2807 static int vmw_cmd_check_not_3d(struct vmw_private *dev_priv,
2808 struct vmw_sw_context *sw_context,
2809 void *buf, uint32_t *size)
2811 uint32_t size_remaining = *size;
2812 uint32_t cmd_id;
2814 cmd_id = ((uint32_t *)buf)[0];
2815 switch (cmd_id) {
2816 case SVGA_CMD_UPDATE:
2817 *size = sizeof(uint32_t) + sizeof(SVGAFifoCmdUpdate);
2818 break;
2819 case SVGA_CMD_DEFINE_GMRFB:
2820 *size = sizeof(uint32_t) + sizeof(SVGAFifoCmdDefineGMRFB);
2821 break;
2822 case SVGA_CMD_BLIT_GMRFB_TO_SCREEN:
2823 *size = sizeof(uint32_t) + sizeof(SVGAFifoCmdBlitGMRFBToScreen);
2824 break;
2825 case SVGA_CMD_BLIT_SCREEN_TO_GMRFB:
2826 *size = sizeof(uint32_t) + sizeof(SVGAFifoCmdBlitGMRFBToScreen);
2827 break;
2828 default:
2829 VMW_DEBUG_USER("Unsupported SVGA command: %u.\n", cmd_id);
2830 return -EINVAL;
2833 if (*size > size_remaining) {
2834 VMW_DEBUG_USER("Invalid SVGA command (size mismatch): %u.\n",
2835 cmd_id);
2836 return -EINVAL;
2839 if (unlikely(!sw_context->kernel)) {
2840 VMW_DEBUG_USER("Kernel only SVGA command: %u.\n", cmd_id);
2841 return -EPERM;
2844 if (cmd_id == SVGA_CMD_DEFINE_GMRFB)
2845 return vmw_cmd_check_define_gmrfb(dev_priv, sw_context, buf);
2847 return 0;
2850 static const struct vmw_cmd_entry vmw_cmd_entries[SVGA_3D_CMD_MAX] = {
2851 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DEFINE, &vmw_cmd_invalid,
2852 false, false, false),
2853 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DESTROY, &vmw_cmd_invalid,
2854 false, false, false),
2855 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_COPY, &vmw_cmd_surface_copy_check,
2856 true, false, false),
2857 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_STRETCHBLT, &vmw_cmd_stretch_blt_check,
2858 true, false, false),
2859 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DMA, &vmw_cmd_dma,
2860 true, false, false),
2861 VMW_CMD_DEF(SVGA_3D_CMD_CONTEXT_DEFINE, &vmw_cmd_invalid,
2862 false, false, false),
2863 VMW_CMD_DEF(SVGA_3D_CMD_CONTEXT_DESTROY, &vmw_cmd_invalid,
2864 false, false, false),
2865 VMW_CMD_DEF(SVGA_3D_CMD_SETTRANSFORM, &vmw_cmd_cid_check,
2866 true, false, false),
2867 VMW_CMD_DEF(SVGA_3D_CMD_SETZRANGE, &vmw_cmd_cid_check,
2868 true, false, false),
2869 VMW_CMD_DEF(SVGA_3D_CMD_SETRENDERSTATE, &vmw_cmd_cid_check,
2870 true, false, false),
2871 VMW_CMD_DEF(SVGA_3D_CMD_SETRENDERTARGET,
2872 &vmw_cmd_set_render_target_check, true, false, false),
2873 VMW_CMD_DEF(SVGA_3D_CMD_SETTEXTURESTATE, &vmw_cmd_tex_state,
2874 true, false, false),
2875 VMW_CMD_DEF(SVGA_3D_CMD_SETMATERIAL, &vmw_cmd_cid_check,
2876 true, false, false),
2877 VMW_CMD_DEF(SVGA_3D_CMD_SETLIGHTDATA, &vmw_cmd_cid_check,
2878 true, false, false),
2879 VMW_CMD_DEF(SVGA_3D_CMD_SETLIGHTENABLED, &vmw_cmd_cid_check,
2880 true, false, false),
2881 VMW_CMD_DEF(SVGA_3D_CMD_SETVIEWPORT, &vmw_cmd_cid_check,
2882 true, false, false),
2883 VMW_CMD_DEF(SVGA_3D_CMD_SETCLIPPLANE, &vmw_cmd_cid_check,
2884 true, false, false),
2885 VMW_CMD_DEF(SVGA_3D_CMD_CLEAR, &vmw_cmd_cid_check,
2886 true, false, false),
2887 VMW_CMD_DEF(SVGA_3D_CMD_PRESENT, &vmw_cmd_present_check,
2888 false, false, false),
2889 VMW_CMD_DEF(SVGA_3D_CMD_SHADER_DEFINE, &vmw_cmd_shader_define,
2890 true, false, false),
2891 VMW_CMD_DEF(SVGA_3D_CMD_SHADER_DESTROY, &vmw_cmd_shader_destroy,
2892 true, false, false),
2893 VMW_CMD_DEF(SVGA_3D_CMD_SET_SHADER, &vmw_cmd_set_shader,
2894 true, false, false),
2895 VMW_CMD_DEF(SVGA_3D_CMD_SET_SHADER_CONST, &vmw_cmd_set_shader_const,
2896 true, false, false),
2897 VMW_CMD_DEF(SVGA_3D_CMD_DRAW_PRIMITIVES, &vmw_cmd_draw,
2898 true, false, false),
2899 VMW_CMD_DEF(SVGA_3D_CMD_SETSCISSORRECT, &vmw_cmd_cid_check,
2900 true, false, false),
2901 VMW_CMD_DEF(SVGA_3D_CMD_BEGIN_QUERY, &vmw_cmd_begin_query,
2902 true, false, false),
2903 VMW_CMD_DEF(SVGA_3D_CMD_END_QUERY, &vmw_cmd_end_query,
2904 true, false, false),
2905 VMW_CMD_DEF(SVGA_3D_CMD_WAIT_FOR_QUERY, &vmw_cmd_wait_query,
2906 true, false, false),
2907 VMW_CMD_DEF(SVGA_3D_CMD_PRESENT_READBACK, &vmw_cmd_ok,
2908 true, false, false),
2909 VMW_CMD_DEF(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN,
2910 &vmw_cmd_blt_surf_screen_check, false, false, false),
2911 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DEFINE_V2, &vmw_cmd_invalid,
2912 false, false, false),
2913 VMW_CMD_DEF(SVGA_3D_CMD_GENERATE_MIPMAPS, &vmw_cmd_invalid,
2914 false, false, false),
2915 VMW_CMD_DEF(SVGA_3D_CMD_ACTIVATE_SURFACE, &vmw_cmd_invalid,
2916 false, false, false),
2917 VMW_CMD_DEF(SVGA_3D_CMD_DEACTIVATE_SURFACE, &vmw_cmd_invalid,
2918 false, false, false),
2919 VMW_CMD_DEF(SVGA_3D_CMD_SCREEN_DMA, &vmw_cmd_invalid,
2920 false, false, false),
2921 VMW_CMD_DEF(SVGA_3D_CMD_DEAD1, &vmw_cmd_invalid,
2922 false, false, false),
2923 VMW_CMD_DEF(SVGA_3D_CMD_DEAD2, &vmw_cmd_invalid,
2924 false, false, false),
2925 VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_BITBLT, &vmw_cmd_invalid,
2926 false, false, false),
2927 VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_TRANSBLT, &vmw_cmd_invalid,
2928 false, false, false),
2929 VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_STRETCHBLT, &vmw_cmd_invalid,
2930 false, false, false),
2931 VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_COLORFILL, &vmw_cmd_invalid,
2932 false, false, false),
2933 VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_ALPHABLEND, &vmw_cmd_invalid,
2934 false, false, false),
2935 VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_CLEARTYPEBLEND, &vmw_cmd_invalid,
2936 false, false, false),
2937 VMW_CMD_DEF(SVGA_3D_CMD_SET_OTABLE_BASE, &vmw_cmd_invalid,
2938 false, false, true),
2939 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_OTABLE, &vmw_cmd_invalid,
2940 false, false, true),
2941 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_MOB, &vmw_cmd_invalid,
2942 false, false, true),
2943 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_MOB, &vmw_cmd_invalid,
2944 false, false, true),
2945 VMW_CMD_DEF(SVGA_3D_CMD_REDEFINE_GB_MOB64, &vmw_cmd_invalid,
2946 false, false, true),
2947 VMW_CMD_DEF(SVGA_3D_CMD_UPDATE_GB_MOB_MAPPING, &vmw_cmd_invalid,
2948 false, false, true),
2949 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SURFACE, &vmw_cmd_invalid,
2950 false, false, true),
2951 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_SURFACE, &vmw_cmd_invalid,
2952 false, false, true),
2953 VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_SURFACE, &vmw_cmd_bind_gb_surface,
2954 true, false, true),
2955 VMW_CMD_DEF(SVGA_3D_CMD_COND_BIND_GB_SURFACE, &vmw_cmd_invalid,
2956 false, false, true),
2957 VMW_CMD_DEF(SVGA_3D_CMD_UPDATE_GB_IMAGE, &vmw_cmd_update_gb_image,
2958 true, false, true),
2959 VMW_CMD_DEF(SVGA_3D_CMD_UPDATE_GB_SURFACE,
2960 &vmw_cmd_update_gb_surface, true, false, true),
2961 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_GB_IMAGE,
2962 &vmw_cmd_readback_gb_image, true, false, true),
2963 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_GB_SURFACE,
2964 &vmw_cmd_readback_gb_surface, true, false, true),
2965 VMW_CMD_DEF(SVGA_3D_CMD_INVALIDATE_GB_IMAGE,
2966 &vmw_cmd_invalidate_gb_image, true, false, true),
2967 VMW_CMD_DEF(SVGA_3D_CMD_INVALIDATE_GB_SURFACE,
2968 &vmw_cmd_invalidate_gb_surface, true, false, true),
2969 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_CONTEXT, &vmw_cmd_invalid,
2970 false, false, true),
2971 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_CONTEXT, &vmw_cmd_invalid,
2972 false, false, true),
2973 VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_CONTEXT, &vmw_cmd_invalid,
2974 false, false, true),
2975 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_GB_CONTEXT, &vmw_cmd_invalid,
2976 false, false, true),
2977 VMW_CMD_DEF(SVGA_3D_CMD_INVALIDATE_GB_CONTEXT, &vmw_cmd_invalid,
2978 false, false, true),
2979 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SHADER, &vmw_cmd_invalid,
2980 false, false, true),
2981 VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_SHADER, &vmw_cmd_bind_gb_shader,
2982 true, false, true),
2983 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_SHADER, &vmw_cmd_invalid,
2984 false, false, true),
2985 VMW_CMD_DEF(SVGA_3D_CMD_SET_OTABLE_BASE64, &vmw_cmd_invalid,
2986 false, false, false),
2987 VMW_CMD_DEF(SVGA_3D_CMD_BEGIN_GB_QUERY, &vmw_cmd_begin_gb_query,
2988 true, false, true),
2989 VMW_CMD_DEF(SVGA_3D_CMD_END_GB_QUERY, &vmw_cmd_end_gb_query,
2990 true, false, true),
2991 VMW_CMD_DEF(SVGA_3D_CMD_WAIT_FOR_GB_QUERY, &vmw_cmd_wait_gb_query,
2992 true, false, true),
2993 VMW_CMD_DEF(SVGA_3D_CMD_NOP, &vmw_cmd_ok,
2994 true, false, true),
2995 VMW_CMD_DEF(SVGA_3D_CMD_NOP_ERROR, &vmw_cmd_ok,
2996 true, false, true),
2997 VMW_CMD_DEF(SVGA_3D_CMD_ENABLE_GART, &vmw_cmd_invalid,
2998 false, false, true),
2999 VMW_CMD_DEF(SVGA_3D_CMD_DISABLE_GART, &vmw_cmd_invalid,
3000 false, false, true),
3001 VMW_CMD_DEF(SVGA_3D_CMD_MAP_MOB_INTO_GART, &vmw_cmd_invalid,
3002 false, false, true),
3003 VMW_CMD_DEF(SVGA_3D_CMD_UNMAP_GART_RANGE, &vmw_cmd_invalid,
3004 false, false, true),
3005 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SCREENTARGET, &vmw_cmd_invalid,
3006 false, false, true),
3007 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_SCREENTARGET, &vmw_cmd_invalid,
3008 false, false, true),
3009 VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_SCREENTARGET, &vmw_cmd_invalid,
3010 false, false, true),
3011 VMW_CMD_DEF(SVGA_3D_CMD_UPDATE_GB_SCREENTARGET, &vmw_cmd_invalid,
3012 false, false, true),
3013 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_GB_IMAGE_PARTIAL, &vmw_cmd_invalid,
3014 false, false, true),
3015 VMW_CMD_DEF(SVGA_3D_CMD_INVALIDATE_GB_IMAGE_PARTIAL, &vmw_cmd_invalid,
3016 false, false, true),
3017 VMW_CMD_DEF(SVGA_3D_CMD_SET_GB_SHADERCONSTS_INLINE, &vmw_cmd_cid_check,
3018 true, false, true),
3019 VMW_CMD_DEF(SVGA_3D_CMD_GB_SCREEN_DMA, &vmw_cmd_invalid,
3020 false, false, true),
3021 VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_SURFACE_WITH_PITCH, &vmw_cmd_invalid,
3022 false, false, true),
3023 VMW_CMD_DEF(SVGA_3D_CMD_GB_MOB_FENCE, &vmw_cmd_invalid,
3024 false, false, true),
3025 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SURFACE_V2, &vmw_cmd_invalid,
3026 false, false, true),
3028 /* SM commands */
3029 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_CONTEXT, &vmw_cmd_invalid,
3030 false, false, true),
3031 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_CONTEXT, &vmw_cmd_invalid,
3032 false, false, true),
3033 VMW_CMD_DEF(SVGA_3D_CMD_DX_BIND_CONTEXT, &vmw_cmd_invalid,
3034 false, false, true),
3035 VMW_CMD_DEF(SVGA_3D_CMD_DX_READBACK_CONTEXT, &vmw_cmd_invalid,
3036 false, false, true),
3037 VMW_CMD_DEF(SVGA_3D_CMD_DX_INVALIDATE_CONTEXT, &vmw_cmd_invalid,
3038 false, false, true),
3039 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SINGLE_CONSTANT_BUFFER,
3040 &vmw_cmd_dx_set_single_constant_buffer, true, false, true),
3041 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SHADER_RESOURCES,
3042 &vmw_cmd_dx_set_shader_res, true, false, true),
3043 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SHADER, &vmw_cmd_dx_set_shader,
3044 true, false, true),
3045 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SAMPLERS, &vmw_cmd_dx_cid_check,
3046 true, false, true),
3047 VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW, &vmw_cmd_dx_cid_check,
3048 true, false, true),
3049 VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW_INDEXED, &vmw_cmd_dx_cid_check,
3050 true, false, true),
3051 VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW_INSTANCED, &vmw_cmd_dx_cid_check,
3052 true, false, true),
3053 VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW_INDEXED_INSTANCED,
3054 &vmw_cmd_dx_cid_check, true, false, true),
3055 VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW_AUTO, &vmw_cmd_dx_cid_check,
3056 true, false, true),
3057 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_VERTEX_BUFFERS,
3058 &vmw_cmd_dx_set_vertex_buffers, true, false, true),
3059 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_INDEX_BUFFER,
3060 &vmw_cmd_dx_set_index_buffer, true, false, true),
3061 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_RENDERTARGETS,
3062 &vmw_cmd_dx_set_rendertargets, true, false, true),
3063 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_BLEND_STATE, &vmw_cmd_dx_cid_check,
3064 true, false, true),
3065 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_DEPTHSTENCIL_STATE,
3066 &vmw_cmd_dx_cid_check, true, false, true),
3067 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_RASTERIZER_STATE,
3068 &vmw_cmd_dx_cid_check, true, false, true),
3069 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_QUERY, &vmw_cmd_dx_define_query,
3070 true, false, true),
3071 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_QUERY, &vmw_cmd_dx_cid_check,
3072 true, false, true),
3073 VMW_CMD_DEF(SVGA_3D_CMD_DX_BIND_QUERY, &vmw_cmd_dx_bind_query,
3074 true, false, true),
3075 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_QUERY_OFFSET,
3076 &vmw_cmd_dx_cid_check, true, false, true),
3077 VMW_CMD_DEF(SVGA_3D_CMD_DX_BEGIN_QUERY, &vmw_cmd_dx_cid_check,
3078 true, false, true),
3079 VMW_CMD_DEF(SVGA_3D_CMD_DX_END_QUERY, &vmw_cmd_dx_cid_check,
3080 true, false, true),
3081 VMW_CMD_DEF(SVGA_3D_CMD_DX_READBACK_QUERY, &vmw_cmd_invalid,
3082 true, false, true),
3083 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_PREDICATION, &vmw_cmd_dx_cid_check,
3084 true, false, true),
3085 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_VIEWPORTS, &vmw_cmd_dx_cid_check,
3086 true, false, true),
3087 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SCISSORRECTS, &vmw_cmd_dx_cid_check,
3088 true, false, true),
3089 VMW_CMD_DEF(SVGA_3D_CMD_DX_CLEAR_RENDERTARGET_VIEW,
3090 &vmw_cmd_dx_clear_rendertarget_view, true, false, true),
3091 VMW_CMD_DEF(SVGA_3D_CMD_DX_CLEAR_DEPTHSTENCIL_VIEW,
3092 &vmw_cmd_dx_clear_depthstencil_view, true, false, true),
3093 VMW_CMD_DEF(SVGA_3D_CMD_DX_PRED_COPY, &vmw_cmd_invalid,
3094 true, false, true),
3095 VMW_CMD_DEF(SVGA_3D_CMD_DX_GENMIPS, &vmw_cmd_dx_genmips,
3096 true, false, true),
3097 VMW_CMD_DEF(SVGA_3D_CMD_DX_UPDATE_SUBRESOURCE,
3098 &vmw_cmd_dx_check_subresource, true, false, true),
3099 VMW_CMD_DEF(SVGA_3D_CMD_DX_READBACK_SUBRESOURCE,
3100 &vmw_cmd_dx_check_subresource, true, false, true),
3101 VMW_CMD_DEF(SVGA_3D_CMD_DX_INVALIDATE_SUBRESOURCE,
3102 &vmw_cmd_dx_check_subresource, true, false, true),
3103 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_SHADERRESOURCE_VIEW,
3104 &vmw_cmd_dx_view_define, true, false, true),
3105 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_SHADERRESOURCE_VIEW,
3106 &vmw_cmd_dx_view_remove, true, false, true),
3107 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_RENDERTARGET_VIEW,
3108 &vmw_cmd_dx_view_define, true, false, true),
3109 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_RENDERTARGET_VIEW,
3110 &vmw_cmd_dx_view_remove, true, false, true),
3111 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_DEPTHSTENCIL_VIEW,
3112 &vmw_cmd_dx_view_define, true, false, true),
3113 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_DEPTHSTENCIL_VIEW,
3114 &vmw_cmd_dx_view_remove, true, false, true),
3115 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_ELEMENTLAYOUT,
3116 &vmw_cmd_dx_so_define, true, false, true),
3117 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_ELEMENTLAYOUT,
3118 &vmw_cmd_dx_cid_check, true, false, true),
3119 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_BLEND_STATE,
3120 &vmw_cmd_dx_so_define, true, false, true),
3121 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_BLEND_STATE,
3122 &vmw_cmd_dx_cid_check, true, false, true),
3123 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_DEPTHSTENCIL_STATE,
3124 &vmw_cmd_dx_so_define, true, false, true),
3125 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_DEPTHSTENCIL_STATE,
3126 &vmw_cmd_dx_cid_check, true, false, true),
3127 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_RASTERIZER_STATE,
3128 &vmw_cmd_dx_so_define, true, false, true),
3129 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_RASTERIZER_STATE,
3130 &vmw_cmd_dx_cid_check, true, false, true),
3131 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_SAMPLER_STATE,
3132 &vmw_cmd_dx_so_define, true, false, true),
3133 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_SAMPLER_STATE,
3134 &vmw_cmd_dx_cid_check, true, false, true),
3135 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_SHADER,
3136 &vmw_cmd_dx_define_shader, true, false, true),
3137 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_SHADER,
3138 &vmw_cmd_dx_destroy_shader, true, false, true),
3139 VMW_CMD_DEF(SVGA_3D_CMD_DX_BIND_SHADER,
3140 &vmw_cmd_dx_bind_shader, true, false, true),
3141 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_STREAMOUTPUT,
3142 &vmw_cmd_dx_so_define, true, false, true),
3143 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_STREAMOUTPUT,
3144 &vmw_cmd_dx_cid_check, true, false, true),
3145 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_STREAMOUTPUT, &vmw_cmd_dx_cid_check,
3146 true, false, true),
3147 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SOTARGETS,
3148 &vmw_cmd_dx_set_so_targets, true, false, true),
3149 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_INPUT_LAYOUT,
3150 &vmw_cmd_dx_cid_check, true, false, true),
3151 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_TOPOLOGY,
3152 &vmw_cmd_dx_cid_check, true, false, true),
3153 VMW_CMD_DEF(SVGA_3D_CMD_DX_BUFFER_COPY,
3154 &vmw_cmd_buffer_copy_check, true, false, true),
3155 VMW_CMD_DEF(SVGA_3D_CMD_DX_PRED_COPY_REGION,
3156 &vmw_cmd_pred_copy_check, true, false, true),
3157 VMW_CMD_DEF(SVGA_3D_CMD_DX_TRANSFER_FROM_BUFFER,
3158 &vmw_cmd_dx_transfer_from_buffer,
3159 true, false, true),
3160 VMW_CMD_DEF(SVGA_3D_CMD_INTRA_SURFACE_COPY, &vmw_cmd_intra_surface_copy,
3161 true, false, true),
3164 bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd)
3166 u32 cmd_id = ((u32 *) buf)[0];
3168 if (cmd_id >= SVGA_CMD_MAX) {
3169 SVGA3dCmdHeader *header = (SVGA3dCmdHeader *) buf;
3170 const struct vmw_cmd_entry *entry;
3172 *size = header->size + sizeof(SVGA3dCmdHeader);
3173 cmd_id = header->id;
3174 if (cmd_id >= SVGA_3D_CMD_MAX)
3175 return false;
3177 cmd_id -= SVGA_3D_CMD_BASE;
3178 entry = &vmw_cmd_entries[cmd_id];
3179 *cmd = entry->cmd_name;
3180 return true;
3183 switch (cmd_id) {
3184 case SVGA_CMD_UPDATE:
3185 *cmd = "SVGA_CMD_UPDATE";
3186 *size = sizeof(u32) + sizeof(SVGAFifoCmdUpdate);
3187 break;
3188 case SVGA_CMD_DEFINE_GMRFB:
3189 *cmd = "SVGA_CMD_DEFINE_GMRFB";
3190 *size = sizeof(u32) + sizeof(SVGAFifoCmdDefineGMRFB);
3191 break;
3192 case SVGA_CMD_BLIT_GMRFB_TO_SCREEN:
3193 *cmd = "SVGA_CMD_BLIT_GMRFB_TO_SCREEN";
3194 *size = sizeof(u32) + sizeof(SVGAFifoCmdBlitGMRFBToScreen);
3195 break;
3196 case SVGA_CMD_BLIT_SCREEN_TO_GMRFB:
3197 *cmd = "SVGA_CMD_BLIT_SCREEN_TO_GMRFB";
3198 *size = sizeof(u32) + sizeof(SVGAFifoCmdBlitGMRFBToScreen);
3199 break;
3200 default:
3201 *cmd = "UNKNOWN";
3202 *size = 0;
3203 return false;
3206 return true;
3209 static int vmw_cmd_check(struct vmw_private *dev_priv,
3210 struct vmw_sw_context *sw_context, void *buf,
3211 uint32_t *size)
3213 uint32_t cmd_id;
3214 uint32_t size_remaining = *size;
3215 SVGA3dCmdHeader *header = (SVGA3dCmdHeader *) buf;
3216 int ret;
3217 const struct vmw_cmd_entry *entry;
3218 bool gb = dev_priv->capabilities & SVGA_CAP_GBOBJECTS;
3220 cmd_id = ((uint32_t *)buf)[0];
3221 /* Handle any none 3D commands */
3222 if (unlikely(cmd_id < SVGA_CMD_MAX))
3223 return vmw_cmd_check_not_3d(dev_priv, sw_context, buf, size);
3226 cmd_id = header->id;
3227 *size = header->size + sizeof(SVGA3dCmdHeader);
3229 cmd_id -= SVGA_3D_CMD_BASE;
3230 if (unlikely(*size > size_remaining))
3231 goto out_invalid;
3233 if (unlikely(cmd_id >= SVGA_3D_CMD_MAX - SVGA_3D_CMD_BASE))
3234 goto out_invalid;
3236 entry = &vmw_cmd_entries[cmd_id];
3237 if (unlikely(!entry->func))
3238 goto out_invalid;
3240 if (unlikely(!entry->user_allow && !sw_context->kernel))
3241 goto out_privileged;
3243 if (unlikely(entry->gb_disable && gb))
3244 goto out_old;
3246 if (unlikely(entry->gb_enable && !gb))
3247 goto out_new;
3249 ret = entry->func(dev_priv, sw_context, header);
3250 if (unlikely(ret != 0)) {
3251 VMW_DEBUG_USER("SVGA3D command: %d failed with error %d\n",
3252 cmd_id + SVGA_3D_CMD_BASE, ret);
3253 return ret;
3256 return 0;
3257 out_invalid:
3258 VMW_DEBUG_USER("Invalid SVGA3D command: %d\n",
3259 cmd_id + SVGA_3D_CMD_BASE);
3260 return -EINVAL;
3261 out_privileged:
3262 VMW_DEBUG_USER("Privileged SVGA3D command: %d\n",
3263 cmd_id + SVGA_3D_CMD_BASE);
3264 return -EPERM;
3265 out_old:
3266 VMW_DEBUG_USER("Deprecated (disallowed) SVGA3D command: %d\n",
3267 cmd_id + SVGA_3D_CMD_BASE);
3268 return -EINVAL;
3269 out_new:
3270 VMW_DEBUG_USER("SVGA3D command: %d not supported by virtual device.\n",
3271 cmd_id + SVGA_3D_CMD_BASE);
3272 return -EINVAL;
3275 static int vmw_cmd_check_all(struct vmw_private *dev_priv,
3276 struct vmw_sw_context *sw_context, void *buf,
3277 uint32_t size)
3279 int32_t cur_size = size;
3280 int ret;
3282 sw_context->buf_start = buf;
3284 while (cur_size > 0) {
3285 size = cur_size;
3286 ret = vmw_cmd_check(dev_priv, sw_context, buf, &size);
3287 if (unlikely(ret != 0))
3288 return ret;
3289 buf = (void *)((unsigned long) buf + size);
3290 cur_size -= size;
3293 if (unlikely(cur_size != 0)) {
3294 VMW_DEBUG_USER("Command verifier out of sync.\n");
3295 return -EINVAL;
3298 return 0;
3301 static void vmw_free_relocations(struct vmw_sw_context *sw_context)
3303 /* Memory is validation context memory, so no need to free it */
3304 INIT_LIST_HEAD(&sw_context->bo_relocations);
3307 static void vmw_apply_relocations(struct vmw_sw_context *sw_context)
3309 struct vmw_relocation *reloc;
3310 struct ttm_buffer_object *bo;
3312 list_for_each_entry(reloc, &sw_context->bo_relocations, head) {
3313 bo = &reloc->vbo->base;
3314 switch (bo->mem.mem_type) {
3315 case TTM_PL_VRAM:
3316 reloc->location->offset += bo->offset;
3317 reloc->location->gmrId = SVGA_GMR_FRAMEBUFFER;
3318 break;
3319 case VMW_PL_GMR:
3320 reloc->location->gmrId = bo->mem.start;
3321 break;
3322 case VMW_PL_MOB:
3323 *reloc->mob_loc = bo->mem.start;
3324 break;
3325 default:
3326 BUG();
3329 vmw_free_relocations(sw_context);
3332 static int vmw_resize_cmd_bounce(struct vmw_sw_context *sw_context,
3333 uint32_t size)
3335 if (likely(sw_context->cmd_bounce_size >= size))
3336 return 0;
3338 if (sw_context->cmd_bounce_size == 0)
3339 sw_context->cmd_bounce_size = VMWGFX_CMD_BOUNCE_INIT_SIZE;
3341 while (sw_context->cmd_bounce_size < size) {
3342 sw_context->cmd_bounce_size =
3343 PAGE_ALIGN(sw_context->cmd_bounce_size +
3344 (sw_context->cmd_bounce_size >> 1));
3347 vfree(sw_context->cmd_bounce);
3348 sw_context->cmd_bounce = vmalloc(sw_context->cmd_bounce_size);
3350 if (sw_context->cmd_bounce == NULL) {
3351 VMW_DEBUG_USER("Failed to allocate command bounce buffer.\n");
3352 sw_context->cmd_bounce_size = 0;
3353 return -ENOMEM;
3356 return 0;
3360 * vmw_execbuf_fence_commands - create and submit a command stream fence
3362 * Creates a fence object and submits a command stream marker.
3363 * If this fails for some reason, We sync the fifo and return NULL.
3364 * It is then safe to fence buffers with a NULL pointer.
3366 * If @p_handle is not NULL @file_priv must also not be NULL. Creates a
3367 * userspace handle if @p_handle is not NULL, otherwise not.
3370 int vmw_execbuf_fence_commands(struct drm_file *file_priv,
3371 struct vmw_private *dev_priv,
3372 struct vmw_fence_obj **p_fence,
3373 uint32_t *p_handle)
3375 uint32_t sequence;
3376 int ret;
3377 bool synced = false;
3379 /* p_handle implies file_priv. */
3380 BUG_ON(p_handle != NULL && file_priv == NULL);
3382 ret = vmw_fifo_send_fence(dev_priv, &sequence);
3383 if (unlikely(ret != 0)) {
3384 VMW_DEBUG_USER("Fence submission error. Syncing.\n");
3385 synced = true;
3388 if (p_handle != NULL)
3389 ret = vmw_user_fence_create(file_priv, dev_priv->fman,
3390 sequence, p_fence, p_handle);
3391 else
3392 ret = vmw_fence_create(dev_priv->fman, sequence, p_fence);
3394 if (unlikely(ret != 0 && !synced)) {
3395 (void) vmw_fallback_wait(dev_priv, false, false, sequence,
3396 false, VMW_FENCE_WAIT_TIMEOUT);
3397 *p_fence = NULL;
3400 return ret;
3404 * vmw_execbuf_copy_fence_user - copy fence object information to user-space.
3406 * @dev_priv: Pointer to a vmw_private struct.
3407 * @vmw_fp: Pointer to the struct vmw_fpriv representing the calling file.
3408 * @ret: Return value from fence object creation.
3409 * @user_fence_rep: User space address of a struct drm_vmw_fence_rep to which
3410 * the information should be copied.
3411 * @fence: Pointer to the fenc object.
3412 * @fence_handle: User-space fence handle.
3413 * @out_fence_fd: exported file descriptor for the fence. -1 if not used
3414 * @sync_file: Only used to clean up in case of an error in this function.
3416 * This function copies fence information to user-space. If copying fails, the
3417 * user-space struct drm_vmw_fence_rep::error member is hopefully left
3418 * untouched, and if it's preloaded with an -EFAULT by user-space, the error
3419 * will hopefully be detected.
3421 * Also if copying fails, user-space will be unable to signal the fence object
3422 * so we wait for it immediately, and then unreference the user-space reference.
3424 void
3425 vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv,
3426 struct vmw_fpriv *vmw_fp, int ret,
3427 struct drm_vmw_fence_rep __user *user_fence_rep,
3428 struct vmw_fence_obj *fence, uint32_t fence_handle,
3429 int32_t out_fence_fd, struct sync_file *sync_file)
3431 struct drm_vmw_fence_rep fence_rep;
3433 if (user_fence_rep == NULL)
3434 return;
3436 memset(&fence_rep, 0, sizeof(fence_rep));
3438 fence_rep.error = ret;
3439 fence_rep.fd = out_fence_fd;
3440 if (ret == 0) {
3441 BUG_ON(fence == NULL);
3443 fence_rep.handle = fence_handle;
3444 fence_rep.seqno = fence->base.seqno;
3445 vmw_update_seqno(dev_priv, &dev_priv->fifo);
3446 fence_rep.passed_seqno = dev_priv->last_read_seqno;
3450 * copy_to_user errors will be detected by user space not seeing
3451 * fence_rep::error filled in. Typically user-space would have pre-set
3452 * that member to -EFAULT.
3454 ret = copy_to_user(user_fence_rep, &fence_rep,
3455 sizeof(fence_rep));
3458 * User-space lost the fence object. We need to sync and unreference the
3459 * handle.
3461 if (unlikely(ret != 0) && (fence_rep.error == 0)) {
3462 if (sync_file)
3463 fput(sync_file->file);
3465 if (fence_rep.fd != -1) {
3466 put_unused_fd(fence_rep.fd);
3467 fence_rep.fd = -1;
3470 ttm_ref_object_base_unref(vmw_fp->tfile, fence_handle,
3471 TTM_REF_USAGE);
3472 VMW_DEBUG_USER("Fence copy error. Syncing.\n");
3473 (void) vmw_fence_obj_wait(fence, false, false,
3474 VMW_FENCE_WAIT_TIMEOUT);
3479 * vmw_execbuf_submit_fifo - Patch a command batch and submit it using the fifo.
3481 * @dev_priv: Pointer to a device private structure.
3482 * @kernel_commands: Pointer to the unpatched command batch.
3483 * @command_size: Size of the unpatched command batch.
3484 * @sw_context: Structure holding the relocation lists.
3486 * Side effects: If this function returns 0, then the command batch pointed to
3487 * by @kernel_commands will have been modified.
3489 static int vmw_execbuf_submit_fifo(struct vmw_private *dev_priv,
3490 void *kernel_commands, u32 command_size,
3491 struct vmw_sw_context *sw_context)
3493 void *cmd;
3495 if (sw_context->dx_ctx_node)
3496 cmd = VMW_FIFO_RESERVE_DX(dev_priv, command_size,
3497 sw_context->dx_ctx_node->ctx->id);
3498 else
3499 cmd = VMW_FIFO_RESERVE(dev_priv, command_size);
3501 if (!cmd)
3502 return -ENOMEM;
3504 vmw_apply_relocations(sw_context);
3505 memcpy(cmd, kernel_commands, command_size);
3506 vmw_resource_relocations_apply(cmd, &sw_context->res_relocations);
3507 vmw_resource_relocations_free(&sw_context->res_relocations);
3508 vmw_fifo_commit(dev_priv, command_size);
3510 return 0;
3514 * vmw_execbuf_submit_cmdbuf - Patch a command batch and submit it using the
3515 * command buffer manager.
3517 * @dev_priv: Pointer to a device private structure.
3518 * @header: Opaque handle to the command buffer allocation.
3519 * @command_size: Size of the unpatched command batch.
3520 * @sw_context: Structure holding the relocation lists.
3522 * Side effects: If this function returns 0, then the command buffer represented
3523 * by @header will have been modified.
3525 static int vmw_execbuf_submit_cmdbuf(struct vmw_private *dev_priv,
3526 struct vmw_cmdbuf_header *header,
3527 u32 command_size,
3528 struct vmw_sw_context *sw_context)
3530 u32 id = ((sw_context->dx_ctx_node) ? sw_context->dx_ctx_node->ctx->id :
3531 SVGA3D_INVALID_ID);
3532 void *cmd = vmw_cmdbuf_reserve(dev_priv->cman, command_size, id, false,
3533 header);
3535 vmw_apply_relocations(sw_context);
3536 vmw_resource_relocations_apply(cmd, &sw_context->res_relocations);
3537 vmw_resource_relocations_free(&sw_context->res_relocations);
3538 vmw_cmdbuf_commit(dev_priv->cman, command_size, header, false);
3540 return 0;
3544 * vmw_execbuf_cmdbuf - Prepare, if possible, a user-space command batch for
3545 * submission using a command buffer.
3547 * @dev_priv: Pointer to a device private structure.
3548 * @user_commands: User-space pointer to the commands to be submitted.
3549 * @command_size: Size of the unpatched command batch.
3550 * @header: Out parameter returning the opaque pointer to the command buffer.
3552 * This function checks whether we can use the command buffer manager for
3553 * submission and if so, creates a command buffer of suitable size and copies
3554 * the user data into that buffer.
3556 * On successful return, the function returns a pointer to the data in the
3557 * command buffer and *@header is set to non-NULL.
3559 * If command buffers could not be used, the function will return the value of
3560 * @kernel_commands on function call. That value may be NULL. In that case, the
3561 * value of *@header will be set to NULL.
3563 * If an error is encountered, the function will return a pointer error value.
3564 * If the function is interrupted by a signal while sleeping, it will return
3565 * -ERESTARTSYS casted to a pointer error value.
3567 static void *vmw_execbuf_cmdbuf(struct vmw_private *dev_priv,
3568 void __user *user_commands,
3569 void *kernel_commands, u32 command_size,
3570 struct vmw_cmdbuf_header **header)
3572 size_t cmdbuf_size;
3573 int ret;
3575 *header = NULL;
3576 if (command_size > SVGA_CB_MAX_SIZE) {
3577 VMW_DEBUG_USER("Command buffer is too large.\n");
3578 return ERR_PTR(-EINVAL);
3581 if (!dev_priv->cman || kernel_commands)
3582 return kernel_commands;
3584 /* If possible, add a little space for fencing. */
3585 cmdbuf_size = command_size + 512;
3586 cmdbuf_size = min_t(size_t, cmdbuf_size, SVGA_CB_MAX_SIZE);
3587 kernel_commands = vmw_cmdbuf_alloc(dev_priv->cman, cmdbuf_size, true,
3588 header);
3589 if (IS_ERR(kernel_commands))
3590 return kernel_commands;
3592 ret = copy_from_user(kernel_commands, user_commands, command_size);
3593 if (ret) {
3594 VMW_DEBUG_USER("Failed copying commands.\n");
3595 vmw_cmdbuf_header_free(*header);
3596 *header = NULL;
3597 return ERR_PTR(-EFAULT);
3600 return kernel_commands;
3603 static int vmw_execbuf_tie_context(struct vmw_private *dev_priv,
3604 struct vmw_sw_context *sw_context,
3605 uint32_t handle)
3607 struct vmw_resource *res;
3608 int ret;
3609 unsigned int size;
3611 if (handle == SVGA3D_INVALID_ID)
3612 return 0;
3614 size = vmw_execbuf_res_size(dev_priv, vmw_res_dx_context);
3615 ret = vmw_validation_preload_res(sw_context->ctx, size);
3616 if (ret)
3617 return ret;
3619 res = vmw_user_resource_noref_lookup_handle
3620 (dev_priv, sw_context->fp->tfile, handle,
3621 user_context_converter);
3622 if (IS_ERR(res)) {
3623 VMW_DEBUG_USER("Could not find or user DX context 0x%08x.\n",
3624 (unsigned int) handle);
3625 return PTR_ERR(res);
3628 ret = vmw_execbuf_res_noref_val_add(sw_context, res, VMW_RES_DIRTY_SET);
3629 if (unlikely(ret != 0))
3630 return ret;
3632 sw_context->dx_ctx_node = vmw_execbuf_info_from_res(sw_context, res);
3633 sw_context->man = vmw_context_res_man(res);
3635 return 0;
3638 int vmw_execbuf_process(struct drm_file *file_priv,
3639 struct vmw_private *dev_priv,
3640 void __user *user_commands, void *kernel_commands,
3641 uint32_t command_size, uint64_t throttle_us,
3642 uint32_t dx_context_handle,
3643 struct drm_vmw_fence_rep __user *user_fence_rep,
3644 struct vmw_fence_obj **out_fence, uint32_t flags)
3646 struct vmw_sw_context *sw_context = &dev_priv->ctx;
3647 struct vmw_fence_obj *fence = NULL;
3648 struct vmw_cmdbuf_header *header;
3649 uint32_t handle = 0;
3650 int ret;
3651 int32_t out_fence_fd = -1;
3652 struct sync_file *sync_file = NULL;
3653 DECLARE_VAL_CONTEXT(val_ctx, &sw_context->res_ht, 1);
3655 vmw_validation_set_val_mem(&val_ctx, &dev_priv->vvm);
3657 if (flags & DRM_VMW_EXECBUF_FLAG_EXPORT_FENCE_FD) {
3658 out_fence_fd = get_unused_fd_flags(O_CLOEXEC);
3659 if (out_fence_fd < 0) {
3660 VMW_DEBUG_USER("Failed to get a fence fd.\n");
3661 return out_fence_fd;
3665 if (throttle_us) {
3666 ret = vmw_wait_lag(dev_priv, &dev_priv->fifo.marker_queue,
3667 throttle_us);
3669 if (ret)
3670 goto out_free_fence_fd;
3673 kernel_commands = vmw_execbuf_cmdbuf(dev_priv, user_commands,
3674 kernel_commands, command_size,
3675 &header);
3676 if (IS_ERR(kernel_commands)) {
3677 ret = PTR_ERR(kernel_commands);
3678 goto out_free_fence_fd;
3681 ret = mutex_lock_interruptible(&dev_priv->cmdbuf_mutex);
3682 if (ret) {
3683 ret = -ERESTARTSYS;
3684 goto out_free_header;
3687 sw_context->kernel = false;
3688 if (kernel_commands == NULL) {
3689 ret = vmw_resize_cmd_bounce(sw_context, command_size);
3690 if (unlikely(ret != 0))
3691 goto out_unlock;
3693 ret = copy_from_user(sw_context->cmd_bounce, user_commands,
3694 command_size);
3695 if (unlikely(ret != 0)) {
3696 ret = -EFAULT;
3697 VMW_DEBUG_USER("Failed copying commands.\n");
3698 goto out_unlock;
3701 kernel_commands = sw_context->cmd_bounce;
3702 } else if (!header) {
3703 sw_context->kernel = true;
3706 sw_context->fp = vmw_fpriv(file_priv);
3707 INIT_LIST_HEAD(&sw_context->ctx_list);
3708 sw_context->cur_query_bo = dev_priv->pinned_bo;
3709 sw_context->last_query_ctx = NULL;
3710 sw_context->needs_post_query_barrier = false;
3711 sw_context->dx_ctx_node = NULL;
3712 sw_context->dx_query_mob = NULL;
3713 sw_context->dx_query_ctx = NULL;
3714 memset(sw_context->res_cache, 0, sizeof(sw_context->res_cache));
3715 INIT_LIST_HEAD(&sw_context->res_relocations);
3716 INIT_LIST_HEAD(&sw_context->bo_relocations);
3718 if (sw_context->staged_bindings)
3719 vmw_binding_state_reset(sw_context->staged_bindings);
3721 if (!sw_context->res_ht_initialized) {
3722 ret = drm_ht_create(&sw_context->res_ht, VMW_RES_HT_ORDER);
3723 if (unlikely(ret != 0))
3724 goto out_unlock;
3726 sw_context->res_ht_initialized = true;
3729 INIT_LIST_HEAD(&sw_context->staged_cmd_res);
3730 sw_context->ctx = &val_ctx;
3731 ret = vmw_execbuf_tie_context(dev_priv, sw_context, dx_context_handle);
3732 if (unlikely(ret != 0))
3733 goto out_err_nores;
3735 ret = vmw_cmd_check_all(dev_priv, sw_context, kernel_commands,
3736 command_size);
3737 if (unlikely(ret != 0))
3738 goto out_err_nores;
3740 ret = vmw_resources_reserve(sw_context);
3741 if (unlikely(ret != 0))
3742 goto out_err_nores;
3744 ret = vmw_validation_bo_reserve(&val_ctx, true);
3745 if (unlikely(ret != 0))
3746 goto out_err_nores;
3748 ret = vmw_validation_bo_validate(&val_ctx, true);
3749 if (unlikely(ret != 0))
3750 goto out_err;
3752 ret = vmw_validation_res_validate(&val_ctx, true);
3753 if (unlikely(ret != 0))
3754 goto out_err;
3756 vmw_validation_drop_ht(&val_ctx);
3758 ret = mutex_lock_interruptible(&dev_priv->binding_mutex);
3759 if (unlikely(ret != 0)) {
3760 ret = -ERESTARTSYS;
3761 goto out_err;
3764 if (dev_priv->has_mob) {
3765 ret = vmw_rebind_contexts(sw_context);
3766 if (unlikely(ret != 0))
3767 goto out_unlock_binding;
3770 if (!header) {
3771 ret = vmw_execbuf_submit_fifo(dev_priv, kernel_commands,
3772 command_size, sw_context);
3773 } else {
3774 ret = vmw_execbuf_submit_cmdbuf(dev_priv, header, command_size,
3775 sw_context);
3776 header = NULL;
3778 mutex_unlock(&dev_priv->binding_mutex);
3779 if (ret)
3780 goto out_err;
3782 vmw_query_bo_switch_commit(dev_priv, sw_context);
3783 ret = vmw_execbuf_fence_commands(file_priv, dev_priv, &fence,
3784 (user_fence_rep) ? &handle : NULL);
3786 * This error is harmless, because if fence submission fails,
3787 * vmw_fifo_send_fence will sync. The error will be propagated to
3788 * user-space in @fence_rep
3790 if (ret != 0)
3791 VMW_DEBUG_USER("Fence submission error. Syncing.\n");
3793 vmw_execbuf_bindings_commit(sw_context, false);
3794 vmw_bind_dx_query_mob(sw_context);
3795 vmw_validation_res_unreserve(&val_ctx, false);
3797 vmw_validation_bo_fence(sw_context->ctx, fence);
3799 if (unlikely(dev_priv->pinned_bo != NULL && !dev_priv->query_cid_valid))
3800 __vmw_execbuf_release_pinned_bo(dev_priv, fence);
3803 * If anything fails here, give up trying to export the fence and do a
3804 * sync since the user mode will not be able to sync the fence itself.
3805 * This ensures we are still functionally correct.
3807 if (flags & DRM_VMW_EXECBUF_FLAG_EXPORT_FENCE_FD) {
3809 sync_file = sync_file_create(&fence->base);
3810 if (!sync_file) {
3811 VMW_DEBUG_USER("Sync file create failed for fence\n");
3812 put_unused_fd(out_fence_fd);
3813 out_fence_fd = -1;
3815 (void) vmw_fence_obj_wait(fence, false, false,
3816 VMW_FENCE_WAIT_TIMEOUT);
3817 } else {
3818 /* Link the fence with the FD created earlier */
3819 fd_install(out_fence_fd, sync_file->file);
3823 vmw_execbuf_copy_fence_user(dev_priv, vmw_fpriv(file_priv), ret,
3824 user_fence_rep, fence, handle, out_fence_fd,
3825 sync_file);
3827 /* Don't unreference when handing fence out */
3828 if (unlikely(out_fence != NULL)) {
3829 *out_fence = fence;
3830 fence = NULL;
3831 } else if (likely(fence != NULL)) {
3832 vmw_fence_obj_unreference(&fence);
3835 vmw_cmdbuf_res_commit(&sw_context->staged_cmd_res);
3836 mutex_unlock(&dev_priv->cmdbuf_mutex);
3839 * Unreference resources outside of the cmdbuf_mutex to avoid deadlocks
3840 * in resource destruction paths.
3842 vmw_validation_unref_lists(&val_ctx);
3844 return 0;
3846 out_unlock_binding:
3847 mutex_unlock(&dev_priv->binding_mutex);
3848 out_err:
3849 vmw_validation_bo_backoff(&val_ctx);
3850 out_err_nores:
3851 vmw_execbuf_bindings_commit(sw_context, true);
3852 vmw_validation_res_unreserve(&val_ctx, true);
3853 vmw_resource_relocations_free(&sw_context->res_relocations);
3854 vmw_free_relocations(sw_context);
3855 if (unlikely(dev_priv->pinned_bo != NULL && !dev_priv->query_cid_valid))
3856 __vmw_execbuf_release_pinned_bo(dev_priv, NULL);
3857 out_unlock:
3858 vmw_cmdbuf_res_revert(&sw_context->staged_cmd_res);
3859 vmw_validation_drop_ht(&val_ctx);
3860 WARN_ON(!list_empty(&sw_context->ctx_list));
3861 mutex_unlock(&dev_priv->cmdbuf_mutex);
3864 * Unreference resources outside of the cmdbuf_mutex to avoid deadlocks
3865 * in resource destruction paths.
3867 vmw_validation_unref_lists(&val_ctx);
3868 out_free_header:
3869 if (header)
3870 vmw_cmdbuf_header_free(header);
3871 out_free_fence_fd:
3872 if (out_fence_fd >= 0)
3873 put_unused_fd(out_fence_fd);
3875 return ret;
3879 * vmw_execbuf_unpin_panic - Idle the fifo and unpin the query buffer.
3881 * @dev_priv: The device private structure.
3883 * This function is called to idle the fifo and unpin the query buffer if the
3884 * normal way to do this hits an error, which should typically be extremely
3885 * rare.
3887 static void vmw_execbuf_unpin_panic(struct vmw_private *dev_priv)
3889 VMW_DEBUG_USER("Can't unpin query buffer. Trying to recover.\n");
3891 (void) vmw_fallback_wait(dev_priv, false, true, 0, false, 10*HZ);
3892 vmw_bo_pin_reserved(dev_priv->pinned_bo, false);
3893 if (dev_priv->dummy_query_bo_pinned) {
3894 vmw_bo_pin_reserved(dev_priv->dummy_query_bo, false);
3895 dev_priv->dummy_query_bo_pinned = false;
3901 * __vmw_execbuf_release_pinned_bo - Flush queries and unpin the pinned query
3902 * bo.
3904 * @dev_priv: The device private structure.
3905 * @fence: If non-NULL should point to a struct vmw_fence_obj issued _after_ a
3906 * query barrier that flushes all queries touching the current buffer pointed to
3907 * by @dev_priv->pinned_bo
3909 * This function should be used to unpin the pinned query bo, or as a query
3910 * barrier when we need to make sure that all queries have finished before the
3911 * next fifo command. (For example on hardware context destructions where the
3912 * hardware may otherwise leak unfinished queries).
3914 * This function does not return any failure codes, but make attempts to do safe
3915 * unpinning in case of errors.
3917 * The function will synchronize on the previous query barrier, and will thus
3918 * not finish until that barrier has executed.
3920 * the @dev_priv->cmdbuf_mutex needs to be held by the current thread before
3921 * calling this function.
3923 void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv,
3924 struct vmw_fence_obj *fence)
3926 int ret = 0;
3927 struct vmw_fence_obj *lfence = NULL;
3928 DECLARE_VAL_CONTEXT(val_ctx, NULL, 0);
3930 if (dev_priv->pinned_bo == NULL)
3931 goto out_unlock;
3933 ret = vmw_validation_add_bo(&val_ctx, dev_priv->pinned_bo, false,
3934 false);
3935 if (ret)
3936 goto out_no_reserve;
3938 ret = vmw_validation_add_bo(&val_ctx, dev_priv->dummy_query_bo, false,
3939 false);
3940 if (ret)
3941 goto out_no_reserve;
3943 ret = vmw_validation_bo_reserve(&val_ctx, false);
3944 if (ret)
3945 goto out_no_reserve;
3947 if (dev_priv->query_cid_valid) {
3948 BUG_ON(fence != NULL);
3949 ret = vmw_fifo_emit_dummy_query(dev_priv, dev_priv->query_cid);
3950 if (ret)
3951 goto out_no_emit;
3952 dev_priv->query_cid_valid = false;
3955 vmw_bo_pin_reserved(dev_priv->pinned_bo, false);
3956 if (dev_priv->dummy_query_bo_pinned) {
3957 vmw_bo_pin_reserved(dev_priv->dummy_query_bo, false);
3958 dev_priv->dummy_query_bo_pinned = false;
3960 if (fence == NULL) {
3961 (void) vmw_execbuf_fence_commands(NULL, dev_priv, &lfence,
3962 NULL);
3963 fence = lfence;
3965 vmw_validation_bo_fence(&val_ctx, fence);
3966 if (lfence != NULL)
3967 vmw_fence_obj_unreference(&lfence);
3969 vmw_validation_unref_lists(&val_ctx);
3970 vmw_bo_unreference(&dev_priv->pinned_bo);
3972 out_unlock:
3973 return;
3974 out_no_emit:
3975 vmw_validation_bo_backoff(&val_ctx);
3976 out_no_reserve:
3977 vmw_validation_unref_lists(&val_ctx);
3978 vmw_execbuf_unpin_panic(dev_priv);
3979 vmw_bo_unreference(&dev_priv->pinned_bo);
3983 * vmw_execbuf_release_pinned_bo - Flush queries and unpin the pinned query bo.
3985 * @dev_priv: The device private structure.
3987 * This function should be used to unpin the pinned query bo, or as a query
3988 * barrier when we need to make sure that all queries have finished before the
3989 * next fifo command. (For example on hardware context destructions where the
3990 * hardware may otherwise leak unfinished queries).
3992 * This function does not return any failure codes, but make attempts to do safe
3993 * unpinning in case of errors.
3995 * The function will synchronize on the previous query barrier, and will thus
3996 * not finish until that barrier has executed.
3998 void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv)
4000 mutex_lock(&dev_priv->cmdbuf_mutex);
4001 if (dev_priv->query_cid_valid)
4002 __vmw_execbuf_release_pinned_bo(dev_priv, NULL);
4003 mutex_unlock(&dev_priv->cmdbuf_mutex);
4006 int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
4007 struct drm_file *file_priv)
4009 struct vmw_private *dev_priv = vmw_priv(dev);
4010 struct drm_vmw_execbuf_arg *arg = data;
4011 int ret;
4012 struct dma_fence *in_fence = NULL;
4015 * Extend the ioctl argument while maintaining backwards compatibility:
4016 * We take different code paths depending on the value of arg->version.
4018 * Note: The ioctl argument is extended and zeropadded by core DRM.
4020 if (unlikely(arg->version > DRM_VMW_EXECBUF_VERSION ||
4021 arg->version == 0)) {
4022 VMW_DEBUG_USER("Incorrect execbuf version.\n");
4023 return -EINVAL;
4026 switch (arg->version) {
4027 case 1:
4028 /* For v1 core DRM have extended + zeropadded the data */
4029 arg->context_handle = (uint32_t) -1;
4030 break;
4031 case 2:
4032 default:
4033 /* For v2 and later core DRM would have correctly copied it */
4034 break;
4037 /* If imported a fence FD from elsewhere, then wait on it */
4038 if (arg->flags & DRM_VMW_EXECBUF_FLAG_IMPORT_FENCE_FD) {
4039 in_fence = sync_file_get_fence(arg->imported_fence_fd);
4041 if (!in_fence) {
4042 VMW_DEBUG_USER("Cannot get imported fence\n");
4043 return -EINVAL;
4046 ret = vmw_wait_dma_fence(dev_priv->fman, in_fence);
4047 if (ret)
4048 goto out;
4051 ret = ttm_read_lock(&dev_priv->reservation_sem, true);
4052 if (unlikely(ret != 0))
4053 return ret;
4055 ret = vmw_execbuf_process(file_priv, dev_priv,
4056 (void __user *)(unsigned long)arg->commands,
4057 NULL, arg->command_size, arg->throttle_us,
4058 arg->context_handle,
4059 (void __user *)(unsigned long)arg->fence_rep,
4060 NULL, arg->flags);
4062 ttm_read_unlock(&dev_priv->reservation_sem);
4063 if (unlikely(ret != 0))
4064 goto out;
4066 vmw_kms_cursor_post_execbuf(dev_priv);
4068 out:
4069 if (in_fence)
4070 dma_fence_put(in_fence);
4071 return ret;