1 /**************************************************************************
3 * 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
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 **************************************************************************/
28 #include "vmwgfx_drv.h"
29 #include "vmwgfx_reg.h"
30 #include <drm/ttm/ttm_bo_api.h>
31 #include <drm/ttm/ttm_placement.h>
32 #include "vmwgfx_so.h"
33 #include "vmwgfx_binding.h"
35 #define VMW_RES_HT_ORDER 12
38 * enum vmw_resource_relocation_type - Relocation type for resources
40 * @vmw_res_rel_normal: Traditional relocation. The resource id in the
41 * command stream is replaced with the actual id after validation.
42 * @vmw_res_rel_nop: NOP relocation. The command is unconditionally replaced
44 * @vmw_res_rel_cond_nop: Conditional NOP relocation. If the resource id
45 * after validation is -1, the command is replaced with a NOP. Otherwise no
48 enum vmw_resource_relocation_type {
56 * struct vmw_resource_relocation - Relocation info for resources
58 * @head: List head for the software context's relocation list.
59 * @res: Non-ref-counted pointer to the resource.
60 * @offset: Offset of single byte entries into the command buffer where the
61 * id that needs fixup is located.
62 * @rel_type: Type of relocation.
64 struct vmw_resource_relocation {
65 struct list_head head;
66 const struct vmw_resource *res;
68 enum vmw_resource_relocation_type rel_type:3;
72 * struct vmw_resource_val_node - Validation info for resources
74 * @head: List head for the software context's resource list.
75 * @hash: Hash entry for quick resouce to val_node lookup.
76 * @res: Ref-counted pointer to the resource.
77 * @switch_backup: Boolean whether to switch backup buffer on unreserve.
78 * @new_backup: Refcounted pointer to the new backup buffer.
79 * @staged_bindings: If @res is a context, tracks bindings set up during
80 * the command batch. Otherwise NULL.
81 * @new_backup_offset: New backup buffer offset if @new_backup is non-NUll.
82 * @first_usage: Set to true the first time the resource is referenced in
84 * @switching_backup: The command stream provides a new backup buffer for a
86 * @no_buffer_needed: This means @switching_backup is true on first buffer
87 * reference. So resource reservation does not need to allocate a backup
88 * buffer for the resource.
90 struct vmw_resource_val_node {
91 struct list_head head;
92 struct drm_hash_item hash;
93 struct vmw_resource *res;
94 struct vmw_dma_buffer *new_backup;
95 struct vmw_ctx_binding_state *staged_bindings;
96 unsigned long new_backup_offset;
98 u32 switching_backup : 1;
99 u32 no_buffer_needed : 1;
103 * struct vmw_cmd_entry - Describe a command for the verifier
105 * @user_allow: Whether allowed from the execbuf ioctl.
106 * @gb_disable: Whether disabled if guest-backed objects are available.
107 * @gb_enable: Whether enabled iff guest-backed objects are available.
109 struct vmw_cmd_entry {
110 int (*func) (struct vmw_private *, struct vmw_sw_context *,
117 #define VMW_CMD_DEF(_cmd, _func, _user_allow, _gb_disable, _gb_enable) \
118 [(_cmd) - SVGA_3D_CMD_BASE] = {(_func), (_user_allow),\
119 (_gb_disable), (_gb_enable)}
121 static int vmw_resource_context_res_add(struct vmw_private *dev_priv,
122 struct vmw_sw_context *sw_context,
123 struct vmw_resource *ctx);
124 static int vmw_translate_mob_ptr(struct vmw_private *dev_priv,
125 struct vmw_sw_context *sw_context,
127 struct vmw_dma_buffer **vmw_bo_p);
128 static int vmw_bo_to_validate_list(struct vmw_sw_context *sw_context,
129 struct vmw_dma_buffer *vbo,
130 bool validate_as_mob,
131 uint32_t *p_val_node);
133 * vmw_ptr_diff - Compute the offset from a to b in bytes
135 * @a: A starting pointer.
136 * @b: A pointer offset in the same address space.
138 * Returns: The offset in bytes between the two pointers.
140 static size_t vmw_ptr_diff(void *a, void *b)
142 return (unsigned long) b - (unsigned long) a;
146 * vmw_resources_unreserve - unreserve resources previously reserved for
147 * command submission.
149 * @sw_context: pointer to the software context
150 * @backoff: Whether command submission failed.
152 static void vmw_resources_unreserve(struct vmw_sw_context *sw_context,
155 struct vmw_resource_val_node *val;
156 struct list_head *list = &sw_context->resource_list;
158 if (sw_context->dx_query_mob && !backoff)
159 vmw_context_bind_dx_query(sw_context->dx_query_ctx,
160 sw_context->dx_query_mob);
162 list_for_each_entry(val, list, head) {
163 struct vmw_resource *res = val->res;
165 (backoff) ? false : val->switching_backup;
168 * Transfer staged context bindings to the
169 * persistent context binding tracker.
171 if (unlikely(val->staged_bindings)) {
173 vmw_binding_state_commit
174 (vmw_context_binding_state(val->res),
175 val->staged_bindings);
178 if (val->staged_bindings != sw_context->staged_bindings)
179 vmw_binding_state_free(val->staged_bindings);
181 sw_context->staged_bindings_inuse = false;
182 val->staged_bindings = NULL;
184 vmw_resource_unreserve(res, switch_backup, val->new_backup,
185 val->new_backup_offset);
186 vmw_dmabuf_unreference(&val->new_backup);
191 * vmw_cmd_ctx_first_setup - Perform the setup needed when a context is
192 * added to the validate list.
194 * @dev_priv: Pointer to the device private:
195 * @sw_context: The validation context:
196 * @node: The validation node holding this context.
198 static int vmw_cmd_ctx_first_setup(struct vmw_private *dev_priv,
199 struct vmw_sw_context *sw_context,
200 struct vmw_resource_val_node *node)
204 ret = vmw_resource_context_res_add(dev_priv, sw_context, node->res);
205 if (unlikely(ret != 0))
208 if (!sw_context->staged_bindings) {
209 sw_context->staged_bindings =
210 vmw_binding_state_alloc(dev_priv);
211 if (IS_ERR(sw_context->staged_bindings)) {
212 DRM_ERROR("Failed to allocate context binding "
214 ret = PTR_ERR(sw_context->staged_bindings);
215 sw_context->staged_bindings = NULL;
220 if (sw_context->staged_bindings_inuse) {
221 node->staged_bindings = vmw_binding_state_alloc(dev_priv);
222 if (IS_ERR(node->staged_bindings)) {
223 DRM_ERROR("Failed to allocate context binding "
225 ret = PTR_ERR(node->staged_bindings);
226 node->staged_bindings = NULL;
230 node->staged_bindings = sw_context->staged_bindings;
231 sw_context->staged_bindings_inuse = true;
240 * vmw_resource_val_add - Add a resource to the software context's
241 * resource list if it's not already on it.
243 * @sw_context: Pointer to the software context.
244 * @res: Pointer to the resource.
245 * @p_node On successful return points to a valid pointer to a
246 * struct vmw_resource_val_node, if non-NULL on entry.
248 static int vmw_resource_val_add(struct vmw_sw_context *sw_context,
249 struct vmw_resource *res,
250 struct vmw_resource_val_node **p_node)
252 struct vmw_private *dev_priv = res->dev_priv;
253 struct vmw_resource_val_node *node;
254 struct drm_hash_item *hash;
257 if (likely(drm_ht_find_item(&sw_context->res_ht, (unsigned long) res,
259 node = container_of(hash, struct vmw_resource_val_node, hash);
260 node->first_usage = false;
261 if (unlikely(p_node != NULL))
266 node = kzalloc(sizeof(*node), GFP_KERNEL);
267 if (unlikely(node == NULL)) {
268 DRM_ERROR("Failed to allocate a resource validation "
273 node->hash.key = (unsigned long) res;
274 ret = drm_ht_insert_item(&sw_context->res_ht, &node->hash);
275 if (unlikely(ret != 0)) {
276 DRM_ERROR("Failed to initialize a resource validation "
281 node->res = vmw_resource_reference(res);
282 node->first_usage = true;
283 if (unlikely(p_node != NULL))
286 if (!dev_priv->has_mob) {
287 list_add_tail(&node->head, &sw_context->resource_list);
291 switch (vmw_res_type(res)) {
292 case vmw_res_context:
293 case vmw_res_dx_context:
294 list_add(&node->head, &sw_context->ctx_resource_list);
295 ret = vmw_cmd_ctx_first_setup(dev_priv, sw_context, node);
297 case vmw_res_cotable:
298 list_add_tail(&node->head, &sw_context->ctx_resource_list);
301 list_add_tail(&node->head, &sw_context->resource_list);
309 * vmw_view_res_val_add - Add a view and the surface it's pointing to
310 * to the validation list
312 * @sw_context: The software context holding the validation list.
313 * @view: Pointer to the view resource.
315 * Returns 0 if success, negative error code otherwise.
317 static int vmw_view_res_val_add(struct vmw_sw_context *sw_context,
318 struct vmw_resource *view)
323 * First add the resource the view is pointing to, otherwise
324 * it may be swapped out when the view is validated.
326 ret = vmw_resource_val_add(sw_context, vmw_view_srf(view), NULL);
330 return vmw_resource_val_add(sw_context, view, NULL);
334 * vmw_view_id_val_add - Look up a view and add it and the surface it's
335 * pointing to to the validation list.
337 * @sw_context: The software context holding the validation list.
338 * @view_type: The view type to look up.
339 * @id: view id of the view.
341 * The view is represented by a view id and the DX context it's created on,
342 * or scheduled for creation on. If there is no DX context set, the function
343 * will return -EINVAL. Otherwise returns 0 on success and -EINVAL on failure.
345 static int vmw_view_id_val_add(struct vmw_sw_context *sw_context,
346 enum vmw_view_type view_type, u32 id)
348 struct vmw_resource_val_node *ctx_node = sw_context->dx_ctx_node;
349 struct vmw_resource *view;
353 DRM_ERROR("DX Context not set.\n");
357 view = vmw_view_lookup(sw_context->man, view_type, id);
359 return PTR_ERR(view);
361 ret = vmw_view_res_val_add(sw_context, view);
362 vmw_resource_unreference(&view);
368 * vmw_resource_context_res_add - Put resources previously bound to a context on
369 * the validation list
371 * @dev_priv: Pointer to a device private structure
372 * @sw_context: Pointer to a software context used for this command submission
373 * @ctx: Pointer to the context resource
375 * This function puts all resources that were previously bound to @ctx on
376 * the resource validation list. This is part of the context state reemission
378 static int vmw_resource_context_res_add(struct vmw_private *dev_priv,
379 struct vmw_sw_context *sw_context,
380 struct vmw_resource *ctx)
382 struct list_head *binding_list;
383 struct vmw_ctx_bindinfo *entry;
385 struct vmw_resource *res;
388 /* Add all cotables to the validation list. */
389 if (dev_priv->has_dx && vmw_res_type(ctx) == vmw_res_dx_context) {
390 for (i = 0; i < SVGA_COTABLE_DX10_MAX; ++i) {
391 res = vmw_context_cotable(ctx, i);
395 ret = vmw_resource_val_add(sw_context, res, NULL);
396 vmw_resource_unreference(&res);
397 if (unlikely(ret != 0))
403 /* Add all resources bound to the context to the validation list */
404 mutex_lock(&dev_priv->binding_mutex);
405 binding_list = vmw_context_binding_list(ctx);
407 list_for_each_entry(entry, binding_list, ctx_list) {
408 /* entry->res is not refcounted */
409 res = vmw_resource_reference_unless_doomed(entry->res);
410 if (unlikely(res == NULL))
413 if (vmw_res_type(entry->res) == vmw_res_view)
414 ret = vmw_view_res_val_add(sw_context, entry->res);
416 ret = vmw_resource_val_add(sw_context, entry->res,
418 vmw_resource_unreference(&res);
419 if (unlikely(ret != 0))
423 if (dev_priv->has_dx && vmw_res_type(ctx) == vmw_res_dx_context) {
424 struct vmw_dma_buffer *dx_query_mob;
426 dx_query_mob = vmw_context_get_dx_query_mob(ctx);
428 ret = vmw_bo_to_validate_list(sw_context,
433 mutex_unlock(&dev_priv->binding_mutex);
438 * vmw_resource_relocation_add - Add a relocation to the relocation list
440 * @list: Pointer to head of relocation list.
441 * @res: The resource.
442 * @offset: Offset into the command buffer currently being parsed where the
443 * id that needs fixup is located. Granularity is one byte.
444 * @rel_type: Relocation type.
446 static int vmw_resource_relocation_add(struct list_head *list,
447 const struct vmw_resource *res,
448 unsigned long offset,
449 enum vmw_resource_relocation_type
452 struct vmw_resource_relocation *rel;
454 rel = kmalloc(sizeof(*rel), GFP_KERNEL);
455 if (unlikely(rel == NULL)) {
456 DRM_ERROR("Failed to allocate a resource relocation.\n");
461 rel->offset = offset;
462 rel->rel_type = rel_type;
463 list_add_tail(&rel->head, list);
469 * vmw_resource_relocations_free - Free all relocations on a list
471 * @list: Pointer to the head of the relocation list.
473 static void vmw_resource_relocations_free(struct list_head *list)
475 struct vmw_resource_relocation *rel, *n;
477 list_for_each_entry_safe(rel, n, list, head) {
478 list_del(&rel->head);
484 * vmw_resource_relocations_apply - Apply all relocations on a list
486 * @cb: Pointer to the start of the command buffer bein patch. This need
487 * not be the same buffer as the one being parsed when the relocation
488 * list was built, but the contents must be the same modulo the
490 * @list: Pointer to the head of the relocation list.
492 static void vmw_resource_relocations_apply(uint32_t *cb,
493 struct list_head *list)
495 struct vmw_resource_relocation *rel;
497 /* Validate the struct vmw_resource_relocation member size */
498 BUILD_BUG_ON(SVGA_CB_MAX_SIZE >= (1 << 29));
499 BUILD_BUG_ON(vmw_res_rel_max >= (1 << 3));
501 list_for_each_entry(rel, list, head) {
502 u32 *addr = (u32 *)((unsigned long) cb + rel->offset);
503 switch (rel->rel_type) {
504 case vmw_res_rel_normal:
505 *addr = rel->res->id;
507 case vmw_res_rel_nop:
508 *addr = SVGA_3D_CMD_NOP;
511 if (rel->res->id == -1)
512 *addr = SVGA_3D_CMD_NOP;
518 static int vmw_cmd_invalid(struct vmw_private *dev_priv,
519 struct vmw_sw_context *sw_context,
520 SVGA3dCmdHeader *header)
522 return capable(CAP_SYS_ADMIN) ? : -EINVAL;
525 static int vmw_cmd_ok(struct vmw_private *dev_priv,
526 struct vmw_sw_context *sw_context,
527 SVGA3dCmdHeader *header)
533 * vmw_bo_to_validate_list - add a bo to a validate list
535 * @sw_context: The software context used for this command submission batch.
536 * @bo: The buffer object to add.
537 * @validate_as_mob: Validate this buffer as a MOB.
538 * @p_val_node: If non-NULL Will be updated with the validate node number
541 * Returns -EINVAL if the limit of number of buffer objects per command
542 * submission is reached.
544 static int vmw_bo_to_validate_list(struct vmw_sw_context *sw_context,
545 struct vmw_dma_buffer *vbo,
546 bool validate_as_mob,
547 uint32_t *p_val_node)
550 struct vmw_validate_buffer *vval_buf;
551 struct ttm_validate_buffer *val_buf;
552 struct drm_hash_item *hash;
555 if (likely(drm_ht_find_item(&sw_context->res_ht, (unsigned long) vbo,
557 vval_buf = container_of(hash, struct vmw_validate_buffer,
559 if (unlikely(vval_buf->validate_as_mob != validate_as_mob)) {
560 DRM_ERROR("Inconsistent buffer usage.\n");
563 val_buf = &vval_buf->base;
564 val_node = vval_buf - sw_context->val_bufs;
566 val_node = sw_context->cur_val_buf;
567 if (unlikely(val_node >= VMWGFX_MAX_VALIDATIONS)) {
568 DRM_ERROR("Max number of DMA buffers per submission "
572 vval_buf = &sw_context->val_bufs[val_node];
573 vval_buf->hash.key = (unsigned long) vbo;
574 ret = drm_ht_insert_item(&sw_context->res_ht, &vval_buf->hash);
575 if (unlikely(ret != 0)) {
576 DRM_ERROR("Failed to initialize a buffer validation "
580 ++sw_context->cur_val_buf;
581 val_buf = &vval_buf->base;
582 val_buf->bo = ttm_bo_reference(&vbo->base);
583 val_buf->shared = false;
584 list_add_tail(&val_buf->head, &sw_context->validate_nodes);
585 vval_buf->validate_as_mob = validate_as_mob;
589 *p_val_node = val_node;
595 * vmw_resources_reserve - Reserve all resources on the sw_context's
598 * @sw_context: Pointer to the software context.
600 * Note that since vmware's command submission currently is protected by
601 * the cmdbuf mutex, no fancy deadlock avoidance is required for resources,
602 * since only a single thread at once will attempt this.
604 static int vmw_resources_reserve(struct vmw_sw_context *sw_context)
606 struct vmw_resource_val_node *val;
609 list_for_each_entry(val, &sw_context->resource_list, head) {
610 struct vmw_resource *res = val->res;
612 ret = vmw_resource_reserve(res, true, val->no_buffer_needed);
613 if (unlikely(ret != 0))
617 struct vmw_dma_buffer *vbo = res->backup;
619 ret = vmw_bo_to_validate_list
621 vmw_resource_needs_backup(res), NULL);
623 if (unlikely(ret != 0))
628 if (sw_context->dx_query_mob) {
629 struct vmw_dma_buffer *expected_dx_query_mob;
631 expected_dx_query_mob =
632 vmw_context_get_dx_query_mob(sw_context->dx_query_ctx);
633 if (expected_dx_query_mob &&
634 expected_dx_query_mob != sw_context->dx_query_mob) {
643 * vmw_resources_validate - Validate all resources on the sw_context's
646 * @sw_context: Pointer to the software context.
648 * Before this function is called, all resource backup buffers must have
651 static int vmw_resources_validate(struct vmw_sw_context *sw_context)
653 struct vmw_resource_val_node *val;
656 list_for_each_entry(val, &sw_context->resource_list, head) {
657 struct vmw_resource *res = val->res;
658 struct vmw_dma_buffer *backup = res->backup;
660 ret = vmw_resource_validate(res);
661 if (unlikely(ret != 0)) {
662 if (ret != -ERESTARTSYS)
663 DRM_ERROR("Failed to validate resource.\n");
667 /* Check if the resource switched backup buffer */
668 if (backup && res->backup && (backup != res->backup)) {
669 struct vmw_dma_buffer *vbo = res->backup;
671 ret = vmw_bo_to_validate_list
673 vmw_resource_needs_backup(res), NULL);
675 ttm_bo_unreserve(&vbo->base);
684 * vmw_cmd_res_reloc_add - Add a resource to a software context's
685 * relocation- and validation lists.
687 * @dev_priv: Pointer to a struct vmw_private identifying the device.
688 * @sw_context: Pointer to the software context.
689 * @id_loc: Pointer to where the id that needs translation is located.
690 * @res: Valid pointer to a struct vmw_resource.
691 * @p_val: If non null, a pointer to the struct vmw_resource_validate_node
692 * used for this resource is returned here.
694 static int vmw_cmd_res_reloc_add(struct vmw_private *dev_priv,
695 struct vmw_sw_context *sw_context,
697 struct vmw_resource *res,
698 struct vmw_resource_val_node **p_val)
701 struct vmw_resource_val_node *node;
704 ret = vmw_resource_relocation_add(&sw_context->res_relocations,
706 vmw_ptr_diff(sw_context->buf_start,
709 if (unlikely(ret != 0))
712 ret = vmw_resource_val_add(sw_context, res, &node);
713 if (unlikely(ret != 0))
724 * vmw_cmd_res_check - Check that a resource is present and if so, put it
725 * on the resource validate list unless it's already there.
727 * @dev_priv: Pointer to a device private structure.
728 * @sw_context: Pointer to the software context.
729 * @res_type: Resource type.
730 * @converter: User-space visisble type specific information.
731 * @id_loc: Pointer to the location in the command buffer currently being
732 * parsed from where the user-space resource id handle is located.
733 * @p_val: Pointer to pointer to resource validalidation node. Populated
737 vmw_cmd_res_check(struct vmw_private *dev_priv,
738 struct vmw_sw_context *sw_context,
739 enum vmw_res_type res_type,
740 const struct vmw_user_resource_conv *converter,
742 struct vmw_resource_val_node **p_val)
744 struct vmw_res_cache_entry *rcache =
745 &sw_context->res_cache[res_type];
746 struct vmw_resource *res;
747 struct vmw_resource_val_node *node;
750 if (*id_loc == SVGA3D_INVALID_ID) {
753 if (res_type == vmw_res_context) {
754 DRM_ERROR("Illegal context invalid id.\n");
761 * Fastpath in case of repeated commands referencing the same
765 if (likely(rcache->valid && *id_loc == rcache->handle)) {
766 const struct vmw_resource *res = rcache->res;
768 rcache->node->first_usage = false;
770 *p_val = rcache->node;
772 return vmw_resource_relocation_add
773 (&sw_context->res_relocations, res,
774 vmw_ptr_diff(sw_context->buf_start, id_loc),
778 ret = vmw_user_resource_lookup_handle(dev_priv,
779 sw_context->fp->tfile,
783 if (unlikely(ret != 0)) {
784 DRM_ERROR("Could not find or use resource 0x%08x.\n",
790 rcache->valid = true;
792 rcache->handle = *id_loc;
794 ret = vmw_cmd_res_reloc_add(dev_priv, sw_context, id_loc,
796 if (unlikely(ret != 0))
802 vmw_resource_unreference(&res);
806 BUG_ON(sw_context->error_resource != NULL);
807 sw_context->error_resource = res;
813 * vmw_rebind_dx_query - Rebind DX query associated with the context
815 * @ctx_res: context the query belongs to
817 * This function assumes binding_mutex is held.
819 static int vmw_rebind_all_dx_query(struct vmw_resource *ctx_res)
821 struct vmw_private *dev_priv = ctx_res->dev_priv;
822 struct vmw_dma_buffer *dx_query_mob;
824 SVGA3dCmdHeader header;
825 SVGA3dCmdDXBindAllQuery body;
829 dx_query_mob = vmw_context_get_dx_query_mob(ctx_res);
831 if (!dx_query_mob || dx_query_mob->dx_query_ctx)
834 cmd = vmw_fifo_reserve_dx(dev_priv, sizeof(*cmd), ctx_res->id);
837 DRM_ERROR("Failed to rebind queries.\n");
841 cmd->header.id = SVGA_3D_CMD_DX_BIND_ALL_QUERY;
842 cmd->header.size = sizeof(cmd->body);
843 cmd->body.cid = ctx_res->id;
844 cmd->body.mobid = dx_query_mob->base.mem.start;
845 vmw_fifo_commit(dev_priv, sizeof(*cmd));
847 vmw_context_bind_dx_query(ctx_res, dx_query_mob);
853 * vmw_rebind_contexts - Rebind all resources previously bound to
854 * referenced contexts.
856 * @sw_context: Pointer to the software context.
858 * Rebind context binding points that have been scrubbed because of eviction.
860 static int vmw_rebind_contexts(struct vmw_sw_context *sw_context)
862 struct vmw_resource_val_node *val;
865 list_for_each_entry(val, &sw_context->resource_list, head) {
866 if (unlikely(!val->staged_bindings))
869 ret = vmw_binding_rebind_all
870 (vmw_context_binding_state(val->res));
871 if (unlikely(ret != 0)) {
872 if (ret != -ERESTARTSYS)
873 DRM_ERROR("Failed to rebind context.\n");
877 ret = vmw_rebind_all_dx_query(val->res);
886 * vmw_view_bindings_add - Add an array of view bindings to a context
887 * binding state tracker.
889 * @sw_context: The execbuf state used for this command.
890 * @view_type: View type for the bindings.
891 * @binding_type: Binding type for the bindings.
892 * @shader_slot: The shader slot to user for the bindings.
893 * @view_ids: Array of view ids to be bound.
894 * @num_views: Number of view ids in @view_ids.
895 * @first_slot: The binding slot to be used for the first view id in @view_ids.
897 static int vmw_view_bindings_add(struct vmw_sw_context *sw_context,
898 enum vmw_view_type view_type,
899 enum vmw_ctx_binding_type binding_type,
901 uint32 view_ids[], u32 num_views,
904 struct vmw_resource_val_node *ctx_node = sw_context->dx_ctx_node;
905 struct vmw_cmdbuf_res_manager *man;
910 DRM_ERROR("DX Context not set.\n");
914 man = sw_context->man;
915 for (i = 0; i < num_views; ++i) {
916 struct vmw_ctx_bindinfo_view binding;
917 struct vmw_resource *view = NULL;
919 if (view_ids[i] != SVGA3D_INVALID_ID) {
920 view = vmw_view_lookup(man, view_type, view_ids[i]);
922 DRM_ERROR("View not found.\n");
923 return PTR_ERR(view);
926 ret = vmw_view_res_val_add(sw_context, view);
928 DRM_ERROR("Could not add view to "
929 "validation list.\n");
930 vmw_resource_unreference(&view);
934 binding.bi.ctx = ctx_node->res;
935 binding.bi.res = view;
936 binding.bi.bt = binding_type;
937 binding.shader_slot = shader_slot;
938 binding.slot = first_slot + i;
939 vmw_binding_add(ctx_node->staged_bindings, &binding.bi,
940 shader_slot, binding.slot);
942 vmw_resource_unreference(&view);
949 * vmw_cmd_cid_check - Check a command header for valid context information.
951 * @dev_priv: Pointer to a device private structure.
952 * @sw_context: Pointer to the software context.
953 * @header: A command header with an embedded user-space context handle.
955 * Convenience function: Call vmw_cmd_res_check with the user-space context
956 * handle embedded in @header.
958 static int vmw_cmd_cid_check(struct vmw_private *dev_priv,
959 struct vmw_sw_context *sw_context,
960 SVGA3dCmdHeader *header)
963 SVGA3dCmdHeader header;
967 cmd = container_of(header, struct vmw_cid_cmd, header);
968 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
969 user_context_converter, &cmd->cid, NULL);
972 static int vmw_cmd_set_render_target_check(struct vmw_private *dev_priv,
973 struct vmw_sw_context *sw_context,
974 SVGA3dCmdHeader *header)
977 SVGA3dCmdHeader header;
978 SVGA3dCmdSetRenderTarget body;
980 struct vmw_resource_val_node *ctx_node;
981 struct vmw_resource_val_node *res_node;
984 cmd = container_of(header, struct vmw_sid_cmd, header);
986 if (cmd->body.type >= SVGA3D_RT_MAX) {
987 DRM_ERROR("Illegal render target type %u.\n",
988 (unsigned) cmd->body.type);
992 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
993 user_context_converter, &cmd->body.cid,
995 if (unlikely(ret != 0))
998 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
999 user_surface_converter,
1000 &cmd->body.target.sid, &res_node);
1001 if (unlikely(ret != 0))
1004 if (dev_priv->has_mob) {
1005 struct vmw_ctx_bindinfo_view binding;
1007 binding.bi.ctx = ctx_node->res;
1008 binding.bi.res = res_node ? res_node->res : NULL;
1009 binding.bi.bt = vmw_ctx_binding_rt;
1010 binding.slot = cmd->body.type;
1011 vmw_binding_add(ctx_node->staged_bindings,
1012 &binding.bi, 0, binding.slot);
1018 static int vmw_cmd_surface_copy_check(struct vmw_private *dev_priv,
1019 struct vmw_sw_context *sw_context,
1020 SVGA3dCmdHeader *header)
1022 struct vmw_sid_cmd {
1023 SVGA3dCmdHeader header;
1024 SVGA3dCmdSurfaceCopy body;
1028 cmd = container_of(header, struct vmw_sid_cmd, header);
1030 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1031 user_surface_converter,
1032 &cmd->body.src.sid, NULL);
1036 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1037 user_surface_converter,
1038 &cmd->body.dest.sid, NULL);
1041 static int vmw_cmd_buffer_copy_check(struct vmw_private *dev_priv,
1042 struct vmw_sw_context *sw_context,
1043 SVGA3dCmdHeader *header)
1046 SVGA3dCmdHeader header;
1047 SVGA3dCmdDXBufferCopy body;
1051 cmd = container_of(header, typeof(*cmd), header);
1052 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1053 user_surface_converter,
1054 &cmd->body.src, NULL);
1058 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1059 user_surface_converter,
1060 &cmd->body.dest, NULL);
1063 static int vmw_cmd_pred_copy_check(struct vmw_private *dev_priv,
1064 struct vmw_sw_context *sw_context,
1065 SVGA3dCmdHeader *header)
1068 SVGA3dCmdHeader header;
1069 SVGA3dCmdDXPredCopyRegion body;
1073 cmd = container_of(header, typeof(*cmd), header);
1074 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1075 user_surface_converter,
1076 &cmd->body.srcSid, NULL);
1080 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1081 user_surface_converter,
1082 &cmd->body.dstSid, NULL);
1085 static int vmw_cmd_stretch_blt_check(struct vmw_private *dev_priv,
1086 struct vmw_sw_context *sw_context,
1087 SVGA3dCmdHeader *header)
1089 struct vmw_sid_cmd {
1090 SVGA3dCmdHeader header;
1091 SVGA3dCmdSurfaceStretchBlt body;
1095 cmd = container_of(header, struct vmw_sid_cmd, header);
1096 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1097 user_surface_converter,
1098 &cmd->body.src.sid, NULL);
1099 if (unlikely(ret != 0))
1101 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1102 user_surface_converter,
1103 &cmd->body.dest.sid, NULL);
1106 static int vmw_cmd_blt_surf_screen_check(struct vmw_private *dev_priv,
1107 struct vmw_sw_context *sw_context,
1108 SVGA3dCmdHeader *header)
1110 struct vmw_sid_cmd {
1111 SVGA3dCmdHeader header;
1112 SVGA3dCmdBlitSurfaceToScreen body;
1115 cmd = container_of(header, struct vmw_sid_cmd, header);
1117 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1118 user_surface_converter,
1119 &cmd->body.srcImage.sid, NULL);
1122 static int vmw_cmd_present_check(struct vmw_private *dev_priv,
1123 struct vmw_sw_context *sw_context,
1124 SVGA3dCmdHeader *header)
1126 struct vmw_sid_cmd {
1127 SVGA3dCmdHeader header;
1128 SVGA3dCmdPresent body;
1132 cmd = container_of(header, struct vmw_sid_cmd, header);
1134 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1135 user_surface_converter, &cmd->body.sid,
1140 * vmw_query_bo_switch_prepare - Prepare to switch pinned buffer for queries.
1142 * @dev_priv: The device private structure.
1143 * @new_query_bo: The new buffer holding query results.
1144 * @sw_context: The software context used for this command submission.
1146 * This function checks whether @new_query_bo is suitable for holding
1147 * query results, and if another buffer currently is pinned for query
1148 * results. If so, the function prepares the state of @sw_context for
1149 * switching pinned buffers after successful submission of the current
1152 static int vmw_query_bo_switch_prepare(struct vmw_private *dev_priv,
1153 struct vmw_dma_buffer *new_query_bo,
1154 struct vmw_sw_context *sw_context)
1156 struct vmw_res_cache_entry *ctx_entry =
1157 &sw_context->res_cache[vmw_res_context];
1160 BUG_ON(!ctx_entry->valid);
1161 sw_context->last_query_ctx = ctx_entry->res;
1163 if (unlikely(new_query_bo != sw_context->cur_query_bo)) {
1165 if (unlikely(new_query_bo->base.num_pages > 4)) {
1166 DRM_ERROR("Query buffer too large.\n");
1170 if (unlikely(sw_context->cur_query_bo != NULL)) {
1171 sw_context->needs_post_query_barrier = true;
1172 ret = vmw_bo_to_validate_list(sw_context,
1173 sw_context->cur_query_bo,
1174 dev_priv->has_mob, NULL);
1175 if (unlikely(ret != 0))
1178 sw_context->cur_query_bo = new_query_bo;
1180 ret = vmw_bo_to_validate_list(sw_context,
1181 dev_priv->dummy_query_bo,
1182 dev_priv->has_mob, NULL);
1183 if (unlikely(ret != 0))
1193 * vmw_query_bo_switch_commit - Finalize switching pinned query buffer
1195 * @dev_priv: The device private structure.
1196 * @sw_context: The software context used for this command submission batch.
1198 * This function will check if we're switching query buffers, and will then,
1199 * issue a dummy occlusion query wait used as a query barrier. When the fence
1200 * object following that query wait has signaled, we are sure that all
1201 * preceding queries have finished, and the old query buffer can be unpinned.
1202 * However, since both the new query buffer and the old one are fenced with
1203 * that fence, we can do an asynchronus unpin now, and be sure that the
1204 * old query buffer won't be moved until the fence has signaled.
1206 * As mentioned above, both the new - and old query buffers need to be fenced
1207 * using a sequence emitted *after* calling this function.
1209 static void vmw_query_bo_switch_commit(struct vmw_private *dev_priv,
1210 struct vmw_sw_context *sw_context)
1213 * The validate list should still hold references to all
1217 if (sw_context->needs_post_query_barrier) {
1218 struct vmw_res_cache_entry *ctx_entry =
1219 &sw_context->res_cache[vmw_res_context];
1220 struct vmw_resource *ctx;
1223 BUG_ON(!ctx_entry->valid);
1224 ctx = ctx_entry->res;
1226 ret = vmw_fifo_emit_dummy_query(dev_priv, ctx->id);
1228 if (unlikely(ret != 0))
1229 DRM_ERROR("Out of fifo space for dummy query.\n");
1232 if (dev_priv->pinned_bo != sw_context->cur_query_bo) {
1233 if (dev_priv->pinned_bo) {
1234 vmw_bo_pin_reserved(dev_priv->pinned_bo, false);
1235 vmw_dmabuf_unreference(&dev_priv->pinned_bo);
1238 if (!sw_context->needs_post_query_barrier) {
1239 vmw_bo_pin_reserved(sw_context->cur_query_bo, true);
1242 * We pin also the dummy_query_bo buffer so that we
1243 * don't need to validate it when emitting
1244 * dummy queries in context destroy paths.
1247 if (!dev_priv->dummy_query_bo_pinned) {
1248 vmw_bo_pin_reserved(dev_priv->dummy_query_bo,
1250 dev_priv->dummy_query_bo_pinned = true;
1253 BUG_ON(sw_context->last_query_ctx == NULL);
1254 dev_priv->query_cid = sw_context->last_query_ctx->id;
1255 dev_priv->query_cid_valid = true;
1256 dev_priv->pinned_bo =
1257 vmw_dmabuf_reference(sw_context->cur_query_bo);
1263 * vmw_translate_mob_pointer - Prepare to translate a user-space buffer
1264 * handle to a MOB id.
1266 * @dev_priv: Pointer to a device private structure.
1267 * @sw_context: The software context used for this command batch validation.
1268 * @id: Pointer to the user-space handle to be translated.
1269 * @vmw_bo_p: Points to a location that, on successful return will carry
1270 * a reference-counted pointer to the DMA buffer identified by the
1271 * user-space handle in @id.
1273 * This function saves information needed to translate a user-space buffer
1274 * handle to a MOB id. The translation does not take place immediately, but
1275 * during a call to vmw_apply_relocations(). This function builds a relocation
1276 * list and a list of buffers to validate. The former needs to be freed using
1277 * either vmw_apply_relocations() or vmw_free_relocations(). The latter
1278 * needs to be freed using vmw_clear_validations.
1280 static int vmw_translate_mob_ptr(struct vmw_private *dev_priv,
1281 struct vmw_sw_context *sw_context,
1283 struct vmw_dma_buffer **vmw_bo_p)
1285 struct vmw_dma_buffer *vmw_bo = NULL;
1286 uint32_t handle = *id;
1287 struct vmw_relocation *reloc;
1290 ret = vmw_user_dmabuf_lookup(sw_context->fp->tfile, handle, &vmw_bo,
1292 if (unlikely(ret != 0)) {
1293 DRM_ERROR("Could not find or use MOB buffer.\n");
1298 if (unlikely(sw_context->cur_reloc >= VMWGFX_MAX_RELOCATIONS)) {
1299 DRM_ERROR("Max number relocations per submission"
1305 reloc = &sw_context->relocs[sw_context->cur_reloc++];
1306 reloc->mob_loc = id;
1307 reloc->location = NULL;
1309 ret = vmw_bo_to_validate_list(sw_context, vmw_bo, true, &reloc->index);
1310 if (unlikely(ret != 0))
1317 vmw_dmabuf_unreference(&vmw_bo);
1323 * vmw_translate_guest_pointer - Prepare to translate a user-space buffer
1324 * handle to a valid SVGAGuestPtr
1326 * @dev_priv: Pointer to a device private structure.
1327 * @sw_context: The software context used for this command batch validation.
1328 * @ptr: Pointer to the user-space handle to be translated.
1329 * @vmw_bo_p: Points to a location that, on successful return will carry
1330 * a reference-counted pointer to the DMA buffer identified by the
1331 * user-space handle in @id.
1333 * This function saves information needed to translate a user-space buffer
1334 * handle to a valid SVGAGuestPtr. The translation does not take place
1335 * immediately, but during a call to vmw_apply_relocations().
1336 * This function builds a relocation list and a list of buffers to validate.
1337 * The former needs to be freed using either vmw_apply_relocations() or
1338 * vmw_free_relocations(). The latter needs to be freed using
1339 * vmw_clear_validations.
1341 static int vmw_translate_guest_ptr(struct vmw_private *dev_priv,
1342 struct vmw_sw_context *sw_context,
1344 struct vmw_dma_buffer **vmw_bo_p)
1346 struct vmw_dma_buffer *vmw_bo = NULL;
1347 uint32_t handle = ptr->gmrId;
1348 struct vmw_relocation *reloc;
1351 ret = vmw_user_dmabuf_lookup(sw_context->fp->tfile, handle, &vmw_bo,
1353 if (unlikely(ret != 0)) {
1354 DRM_ERROR("Could not find or use GMR region.\n");
1359 if (unlikely(sw_context->cur_reloc >= VMWGFX_MAX_RELOCATIONS)) {
1360 DRM_ERROR("Max number relocations per submission"
1366 reloc = &sw_context->relocs[sw_context->cur_reloc++];
1367 reloc->location = ptr;
1369 ret = vmw_bo_to_validate_list(sw_context, vmw_bo, false, &reloc->index);
1370 if (unlikely(ret != 0))
1377 vmw_dmabuf_unreference(&vmw_bo);
1385 * vmw_cmd_dx_define_query - validate a SVGA_3D_CMD_DX_DEFINE_QUERY command.
1387 * @dev_priv: Pointer to a device private struct.
1388 * @sw_context: The software context used for this command submission.
1389 * @header: Pointer to the command header in the command stream.
1391 * This function adds the new query into the query COTABLE
1393 static int vmw_cmd_dx_define_query(struct vmw_private *dev_priv,
1394 struct vmw_sw_context *sw_context,
1395 SVGA3dCmdHeader *header)
1397 struct vmw_dx_define_query_cmd {
1398 SVGA3dCmdHeader header;
1399 SVGA3dCmdDXDefineQuery q;
1403 struct vmw_resource_val_node *ctx_node = sw_context->dx_ctx_node;
1404 struct vmw_resource *cotable_res;
1407 if (ctx_node == NULL) {
1408 DRM_ERROR("DX Context not set for query.\n");
1412 cmd = container_of(header, struct vmw_dx_define_query_cmd, header);
1414 if (cmd->q.type < SVGA3D_QUERYTYPE_MIN ||
1415 cmd->q.type >= SVGA3D_QUERYTYPE_MAX)
1418 cotable_res = vmw_context_cotable(ctx_node->res, SVGA_COTABLE_DXQUERY);
1419 ret = vmw_cotable_notify(cotable_res, cmd->q.queryId);
1420 vmw_resource_unreference(&cotable_res);
1428 * vmw_cmd_dx_bind_query - validate a SVGA_3D_CMD_DX_BIND_QUERY command.
1430 * @dev_priv: Pointer to a device private struct.
1431 * @sw_context: The software context used for this command submission.
1432 * @header: Pointer to the command header in the command stream.
1434 * The query bind operation will eventually associate the query ID
1435 * with its backing MOB. In this function, we take the user mode
1436 * MOB ID and use vmw_translate_mob_ptr() to translate it to its
1437 * kernel mode equivalent.
1439 static int vmw_cmd_dx_bind_query(struct vmw_private *dev_priv,
1440 struct vmw_sw_context *sw_context,
1441 SVGA3dCmdHeader *header)
1443 struct vmw_dx_bind_query_cmd {
1444 SVGA3dCmdHeader header;
1445 SVGA3dCmdDXBindQuery q;
1448 struct vmw_dma_buffer *vmw_bo;
1452 cmd = container_of(header, struct vmw_dx_bind_query_cmd, header);
1455 * Look up the buffer pointed to by q.mobid, put it on the relocation
1456 * list so its kernel mode MOB ID can be filled in later
1458 ret = vmw_translate_mob_ptr(dev_priv, sw_context, &cmd->q.mobid,
1464 sw_context->dx_query_mob = vmw_bo;
1465 sw_context->dx_query_ctx = sw_context->dx_ctx_node->res;
1467 vmw_dmabuf_unreference(&vmw_bo);
1475 * vmw_cmd_begin_gb_query - validate a SVGA_3D_CMD_BEGIN_GB_QUERY command.
1477 * @dev_priv: Pointer to a device private struct.
1478 * @sw_context: The software context used for this command submission.
1479 * @header: Pointer to the command header in the command stream.
1481 static int vmw_cmd_begin_gb_query(struct vmw_private *dev_priv,
1482 struct vmw_sw_context *sw_context,
1483 SVGA3dCmdHeader *header)
1485 struct vmw_begin_gb_query_cmd {
1486 SVGA3dCmdHeader header;
1487 SVGA3dCmdBeginGBQuery q;
1490 cmd = container_of(header, struct vmw_begin_gb_query_cmd,
1493 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
1494 user_context_converter, &cmd->q.cid,
1499 * vmw_cmd_begin_query - validate a SVGA_3D_CMD_BEGIN_QUERY command.
1501 * @dev_priv: Pointer to a device private struct.
1502 * @sw_context: The software context used for this command submission.
1503 * @header: Pointer to the command header in the command stream.
1505 static int vmw_cmd_begin_query(struct vmw_private *dev_priv,
1506 struct vmw_sw_context *sw_context,
1507 SVGA3dCmdHeader *header)
1509 struct vmw_begin_query_cmd {
1510 SVGA3dCmdHeader header;
1511 SVGA3dCmdBeginQuery q;
1514 cmd = container_of(header, struct vmw_begin_query_cmd,
1517 if (unlikely(dev_priv->has_mob)) {
1519 SVGA3dCmdHeader header;
1520 SVGA3dCmdBeginGBQuery q;
1523 BUG_ON(sizeof(gb_cmd) != sizeof(*cmd));
1525 gb_cmd.header.id = SVGA_3D_CMD_BEGIN_GB_QUERY;
1526 gb_cmd.header.size = cmd->header.size;
1527 gb_cmd.q.cid = cmd->q.cid;
1528 gb_cmd.q.type = cmd->q.type;
1530 memcpy(cmd, &gb_cmd, sizeof(*cmd));
1531 return vmw_cmd_begin_gb_query(dev_priv, sw_context, header);
1534 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
1535 user_context_converter, &cmd->q.cid,
1540 * vmw_cmd_end_gb_query - validate a SVGA_3D_CMD_END_GB_QUERY command.
1542 * @dev_priv: Pointer to a device private struct.
1543 * @sw_context: The software context used for this command submission.
1544 * @header: Pointer to the command header in the command stream.
1546 static int vmw_cmd_end_gb_query(struct vmw_private *dev_priv,
1547 struct vmw_sw_context *sw_context,
1548 SVGA3dCmdHeader *header)
1550 struct vmw_dma_buffer *vmw_bo;
1551 struct vmw_query_cmd {
1552 SVGA3dCmdHeader header;
1553 SVGA3dCmdEndGBQuery q;
1557 cmd = container_of(header, struct vmw_query_cmd, header);
1558 ret = vmw_cmd_cid_check(dev_priv, sw_context, header);
1559 if (unlikely(ret != 0))
1562 ret = vmw_translate_mob_ptr(dev_priv, sw_context,
1565 if (unlikely(ret != 0))
1568 ret = vmw_query_bo_switch_prepare(dev_priv, vmw_bo, sw_context);
1570 vmw_dmabuf_unreference(&vmw_bo);
1575 * vmw_cmd_end_query - validate a SVGA_3D_CMD_END_QUERY command.
1577 * @dev_priv: Pointer to a device private struct.
1578 * @sw_context: The software context used for this command submission.
1579 * @header: Pointer to the command header in the command stream.
1581 static int vmw_cmd_end_query(struct vmw_private *dev_priv,
1582 struct vmw_sw_context *sw_context,
1583 SVGA3dCmdHeader *header)
1585 struct vmw_dma_buffer *vmw_bo;
1586 struct vmw_query_cmd {
1587 SVGA3dCmdHeader header;
1588 SVGA3dCmdEndQuery q;
1592 cmd = container_of(header, struct vmw_query_cmd, header);
1593 if (dev_priv->has_mob) {
1595 SVGA3dCmdHeader header;
1596 SVGA3dCmdEndGBQuery q;
1599 BUG_ON(sizeof(gb_cmd) != sizeof(*cmd));
1601 gb_cmd.header.id = SVGA_3D_CMD_END_GB_QUERY;
1602 gb_cmd.header.size = cmd->header.size;
1603 gb_cmd.q.cid = cmd->q.cid;
1604 gb_cmd.q.type = cmd->q.type;
1605 gb_cmd.q.mobid = cmd->q.guestResult.gmrId;
1606 gb_cmd.q.offset = cmd->q.guestResult.offset;
1608 memcpy(cmd, &gb_cmd, sizeof(*cmd));
1609 return vmw_cmd_end_gb_query(dev_priv, sw_context, header);
1612 ret = vmw_cmd_cid_check(dev_priv, sw_context, header);
1613 if (unlikely(ret != 0))
1616 ret = vmw_translate_guest_ptr(dev_priv, sw_context,
1617 &cmd->q.guestResult,
1619 if (unlikely(ret != 0))
1622 ret = vmw_query_bo_switch_prepare(dev_priv, vmw_bo, sw_context);
1624 vmw_dmabuf_unreference(&vmw_bo);
1629 * vmw_cmd_wait_gb_query - validate a SVGA_3D_CMD_WAIT_GB_QUERY command.
1631 * @dev_priv: Pointer to a device private struct.
1632 * @sw_context: The software context used for this command submission.
1633 * @header: Pointer to the command header in the command stream.
1635 static int vmw_cmd_wait_gb_query(struct vmw_private *dev_priv,
1636 struct vmw_sw_context *sw_context,
1637 SVGA3dCmdHeader *header)
1639 struct vmw_dma_buffer *vmw_bo;
1640 struct vmw_query_cmd {
1641 SVGA3dCmdHeader header;
1642 SVGA3dCmdWaitForGBQuery q;
1646 cmd = container_of(header, struct vmw_query_cmd, header);
1647 ret = vmw_cmd_cid_check(dev_priv, sw_context, header);
1648 if (unlikely(ret != 0))
1651 ret = vmw_translate_mob_ptr(dev_priv, sw_context,
1654 if (unlikely(ret != 0))
1657 vmw_dmabuf_unreference(&vmw_bo);
1662 * vmw_cmd_wait_query - validate a SVGA_3D_CMD_WAIT_QUERY command.
1664 * @dev_priv: Pointer to a device private struct.
1665 * @sw_context: The software context used for this command submission.
1666 * @header: Pointer to the command header in the command stream.
1668 static int vmw_cmd_wait_query(struct vmw_private *dev_priv,
1669 struct vmw_sw_context *sw_context,
1670 SVGA3dCmdHeader *header)
1672 struct vmw_dma_buffer *vmw_bo;
1673 struct vmw_query_cmd {
1674 SVGA3dCmdHeader header;
1675 SVGA3dCmdWaitForQuery q;
1679 cmd = container_of(header, struct vmw_query_cmd, header);
1680 if (dev_priv->has_mob) {
1682 SVGA3dCmdHeader header;
1683 SVGA3dCmdWaitForGBQuery q;
1686 BUG_ON(sizeof(gb_cmd) != sizeof(*cmd));
1688 gb_cmd.header.id = SVGA_3D_CMD_WAIT_FOR_GB_QUERY;
1689 gb_cmd.header.size = cmd->header.size;
1690 gb_cmd.q.cid = cmd->q.cid;
1691 gb_cmd.q.type = cmd->q.type;
1692 gb_cmd.q.mobid = cmd->q.guestResult.gmrId;
1693 gb_cmd.q.offset = cmd->q.guestResult.offset;
1695 memcpy(cmd, &gb_cmd, sizeof(*cmd));
1696 return vmw_cmd_wait_gb_query(dev_priv, sw_context, header);
1699 ret = vmw_cmd_cid_check(dev_priv, sw_context, header);
1700 if (unlikely(ret != 0))
1703 ret = vmw_translate_guest_ptr(dev_priv, sw_context,
1704 &cmd->q.guestResult,
1706 if (unlikely(ret != 0))
1709 vmw_dmabuf_unreference(&vmw_bo);
1713 static int vmw_cmd_dma(struct vmw_private *dev_priv,
1714 struct vmw_sw_context *sw_context,
1715 SVGA3dCmdHeader *header)
1717 struct vmw_dma_buffer *vmw_bo = NULL;
1718 struct vmw_surface *srf = NULL;
1719 struct vmw_dma_cmd {
1720 SVGA3dCmdHeader header;
1721 SVGA3dCmdSurfaceDMA dma;
1724 SVGA3dCmdSurfaceDMASuffix *suffix;
1727 cmd = container_of(header, struct vmw_dma_cmd, header);
1728 suffix = (SVGA3dCmdSurfaceDMASuffix *)((unsigned long) &cmd->dma +
1729 header->size - sizeof(*suffix));
1731 /* Make sure device and verifier stays in sync. */
1732 if (unlikely(suffix->suffixSize != sizeof(*suffix))) {
1733 DRM_ERROR("Invalid DMA suffix size.\n");
1737 ret = vmw_translate_guest_ptr(dev_priv, sw_context,
1738 &cmd->dma.guest.ptr,
1740 if (unlikely(ret != 0))
1743 /* Make sure DMA doesn't cross BO boundaries. */
1744 bo_size = vmw_bo->base.num_pages * PAGE_SIZE;
1745 if (unlikely(cmd->dma.guest.ptr.offset > bo_size)) {
1746 DRM_ERROR("Invalid DMA offset.\n");
1750 bo_size -= cmd->dma.guest.ptr.offset;
1751 if (unlikely(suffix->maximumOffset > bo_size))
1752 suffix->maximumOffset = bo_size;
1754 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1755 user_surface_converter, &cmd->dma.host.sid,
1757 if (unlikely(ret != 0)) {
1758 if (unlikely(ret != -ERESTARTSYS))
1759 DRM_ERROR("could not find surface for DMA.\n");
1760 goto out_no_surface;
1763 srf = vmw_res_to_srf(sw_context->res_cache[vmw_res_surface].res);
1765 vmw_kms_cursor_snoop(srf, sw_context->fp->tfile, &vmw_bo->base,
1769 vmw_dmabuf_unreference(&vmw_bo);
1773 static int vmw_cmd_draw(struct vmw_private *dev_priv,
1774 struct vmw_sw_context *sw_context,
1775 SVGA3dCmdHeader *header)
1777 struct vmw_draw_cmd {
1778 SVGA3dCmdHeader header;
1779 SVGA3dCmdDrawPrimitives body;
1781 SVGA3dVertexDecl *decl = (SVGA3dVertexDecl *)(
1782 (unsigned long)header + sizeof(*cmd));
1783 SVGA3dPrimitiveRange *range;
1788 ret = vmw_cmd_cid_check(dev_priv, sw_context, header);
1789 if (unlikely(ret != 0))
1792 cmd = container_of(header, struct vmw_draw_cmd, header);
1793 maxnum = (header->size - sizeof(cmd->body)) / sizeof(*decl);
1795 if (unlikely(cmd->body.numVertexDecls > maxnum)) {
1796 DRM_ERROR("Illegal number of vertex declarations.\n");
1800 for (i = 0; i < cmd->body.numVertexDecls; ++i, ++decl) {
1801 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1802 user_surface_converter,
1803 &decl->array.surfaceId, NULL);
1804 if (unlikely(ret != 0))
1808 maxnum = (header->size - sizeof(cmd->body) -
1809 cmd->body.numVertexDecls * sizeof(*decl)) / sizeof(*range);
1810 if (unlikely(cmd->body.numRanges > maxnum)) {
1811 DRM_ERROR("Illegal number of index ranges.\n");
1815 range = (SVGA3dPrimitiveRange *) decl;
1816 for (i = 0; i < cmd->body.numRanges; ++i, ++range) {
1817 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1818 user_surface_converter,
1819 &range->indexArray.surfaceId, NULL);
1820 if (unlikely(ret != 0))
1827 static int vmw_cmd_tex_state(struct vmw_private *dev_priv,
1828 struct vmw_sw_context *sw_context,
1829 SVGA3dCmdHeader *header)
1831 struct vmw_tex_state_cmd {
1832 SVGA3dCmdHeader header;
1833 SVGA3dCmdSetTextureState state;
1836 SVGA3dTextureState *last_state = (SVGA3dTextureState *)
1837 ((unsigned long) header + header->size + sizeof(header));
1838 SVGA3dTextureState *cur_state = (SVGA3dTextureState *)
1839 ((unsigned long) header + sizeof(struct vmw_tex_state_cmd));
1840 struct vmw_resource_val_node *ctx_node;
1841 struct vmw_resource_val_node *res_node;
1844 cmd = container_of(header, struct vmw_tex_state_cmd,
1847 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
1848 user_context_converter, &cmd->state.cid,
1850 if (unlikely(ret != 0))
1853 for (; cur_state < last_state; ++cur_state) {
1854 if (likely(cur_state->name != SVGA3D_TS_BIND_TEXTURE))
1857 if (cur_state->stage >= SVGA3D_NUM_TEXTURE_UNITS) {
1858 DRM_ERROR("Illegal texture/sampler unit %u.\n",
1859 (unsigned) cur_state->stage);
1863 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
1864 user_surface_converter,
1865 &cur_state->value, &res_node);
1866 if (unlikely(ret != 0))
1869 if (dev_priv->has_mob) {
1870 struct vmw_ctx_bindinfo_tex binding;
1872 binding.bi.ctx = ctx_node->res;
1873 binding.bi.res = res_node ? res_node->res : NULL;
1874 binding.bi.bt = vmw_ctx_binding_tex;
1875 binding.texture_stage = cur_state->stage;
1876 vmw_binding_add(ctx_node->staged_bindings, &binding.bi,
1877 0, binding.texture_stage);
1884 static int vmw_cmd_check_define_gmrfb(struct vmw_private *dev_priv,
1885 struct vmw_sw_context *sw_context,
1888 struct vmw_dma_buffer *vmw_bo;
1893 SVGAFifoCmdDefineGMRFB body;
1896 ret = vmw_translate_guest_ptr(dev_priv, sw_context,
1899 if (unlikely(ret != 0))
1902 vmw_dmabuf_unreference(&vmw_bo);
1909 * vmw_cmd_res_switch_backup - Utility function to handle backup buffer
1912 * @dev_priv: Pointer to a device private struct.
1913 * @sw_context: The software context being used for this batch.
1914 * @val_node: The validation node representing the resource.
1915 * @buf_id: Pointer to the user-space backup buffer handle in the command
1917 * @backup_offset: Offset of backup into MOB.
1919 * This function prepares for registering a switch of backup buffers
1920 * in the resource metadata just prior to unreserving. It's basically a wrapper
1921 * around vmw_cmd_res_switch_backup with a different interface.
1923 static int vmw_cmd_res_switch_backup(struct vmw_private *dev_priv,
1924 struct vmw_sw_context *sw_context,
1925 struct vmw_resource_val_node *val_node,
1927 unsigned long backup_offset)
1929 struct vmw_dma_buffer *dma_buf;
1932 ret = vmw_translate_mob_ptr(dev_priv, sw_context, buf_id, &dma_buf);
1936 val_node->switching_backup = true;
1937 if (val_node->first_usage)
1938 val_node->no_buffer_needed = true;
1940 vmw_dmabuf_unreference(&val_node->new_backup);
1941 val_node->new_backup = dma_buf;
1942 val_node->new_backup_offset = backup_offset;
1949 * vmw_cmd_switch_backup - Utility function to handle backup buffer switching
1951 * @dev_priv: Pointer to a device private struct.
1952 * @sw_context: The software context being used for this batch.
1953 * @res_type: The resource type.
1954 * @converter: Information about user-space binding for this resource type.
1955 * @res_id: Pointer to the user-space resource handle in the command stream.
1956 * @buf_id: Pointer to the user-space backup buffer handle in the command
1958 * @backup_offset: Offset of backup into MOB.
1960 * This function prepares for registering a switch of backup buffers
1961 * in the resource metadata just prior to unreserving. It's basically a wrapper
1962 * around vmw_cmd_res_switch_backup with a different interface.
1964 static int vmw_cmd_switch_backup(struct vmw_private *dev_priv,
1965 struct vmw_sw_context *sw_context,
1966 enum vmw_res_type res_type,
1967 const struct vmw_user_resource_conv
1971 unsigned long backup_offset)
1973 struct vmw_resource_val_node *val_node;
1976 ret = vmw_cmd_res_check(dev_priv, sw_context, res_type,
1977 converter, res_id, &val_node);
1981 return vmw_cmd_res_switch_backup(dev_priv, sw_context, val_node,
1982 buf_id, backup_offset);
1986 * vmw_cmd_bind_gb_surface - Validate an SVGA_3D_CMD_BIND_GB_SURFACE
1989 * @dev_priv: Pointer to a device private struct.
1990 * @sw_context: The software context being used for this batch.
1991 * @header: Pointer to the command header in the command stream.
1993 static int vmw_cmd_bind_gb_surface(struct vmw_private *dev_priv,
1994 struct vmw_sw_context *sw_context,
1995 SVGA3dCmdHeader *header)
1997 struct vmw_bind_gb_surface_cmd {
1998 SVGA3dCmdHeader header;
1999 SVGA3dCmdBindGBSurface body;
2002 cmd = container_of(header, struct vmw_bind_gb_surface_cmd, header);
2004 return vmw_cmd_switch_backup(dev_priv, sw_context, vmw_res_surface,
2005 user_surface_converter,
2006 &cmd->body.sid, &cmd->body.mobid,
2011 * vmw_cmd_update_gb_image - Validate an SVGA_3D_CMD_UPDATE_GB_IMAGE
2014 * @dev_priv: Pointer to a device private struct.
2015 * @sw_context: The software context being used for this batch.
2016 * @header: Pointer to the command header in the command stream.
2018 static int vmw_cmd_update_gb_image(struct vmw_private *dev_priv,
2019 struct vmw_sw_context *sw_context,
2020 SVGA3dCmdHeader *header)
2022 struct vmw_gb_surface_cmd {
2023 SVGA3dCmdHeader header;
2024 SVGA3dCmdUpdateGBImage body;
2027 cmd = container_of(header, struct vmw_gb_surface_cmd, header);
2029 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2030 user_surface_converter,
2031 &cmd->body.image.sid, NULL);
2035 * vmw_cmd_update_gb_surface - Validate an SVGA_3D_CMD_UPDATE_GB_SURFACE
2038 * @dev_priv: Pointer to a device private struct.
2039 * @sw_context: The software context being used for this batch.
2040 * @header: Pointer to the command header in the command stream.
2042 static int vmw_cmd_update_gb_surface(struct vmw_private *dev_priv,
2043 struct vmw_sw_context *sw_context,
2044 SVGA3dCmdHeader *header)
2046 struct vmw_gb_surface_cmd {
2047 SVGA3dCmdHeader header;
2048 SVGA3dCmdUpdateGBSurface body;
2051 cmd = container_of(header, struct vmw_gb_surface_cmd, header);
2053 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2054 user_surface_converter,
2055 &cmd->body.sid, NULL);
2059 * vmw_cmd_readback_gb_image - Validate an SVGA_3D_CMD_READBACK_GB_IMAGE
2062 * @dev_priv: Pointer to a device private struct.
2063 * @sw_context: The software context being used for this batch.
2064 * @header: Pointer to the command header in the command stream.
2066 static int vmw_cmd_readback_gb_image(struct vmw_private *dev_priv,
2067 struct vmw_sw_context *sw_context,
2068 SVGA3dCmdHeader *header)
2070 struct vmw_gb_surface_cmd {
2071 SVGA3dCmdHeader header;
2072 SVGA3dCmdReadbackGBImage body;
2075 cmd = container_of(header, struct vmw_gb_surface_cmd, header);
2077 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2078 user_surface_converter,
2079 &cmd->body.image.sid, NULL);
2083 * vmw_cmd_readback_gb_surface - Validate an SVGA_3D_CMD_READBACK_GB_SURFACE
2086 * @dev_priv: Pointer to a device private struct.
2087 * @sw_context: The software context being used for this batch.
2088 * @header: Pointer to the command header in the command stream.
2090 static int vmw_cmd_readback_gb_surface(struct vmw_private *dev_priv,
2091 struct vmw_sw_context *sw_context,
2092 SVGA3dCmdHeader *header)
2094 struct vmw_gb_surface_cmd {
2095 SVGA3dCmdHeader header;
2096 SVGA3dCmdReadbackGBSurface body;
2099 cmd = container_of(header, struct vmw_gb_surface_cmd, header);
2101 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2102 user_surface_converter,
2103 &cmd->body.sid, NULL);
2107 * vmw_cmd_invalidate_gb_image - Validate an SVGA_3D_CMD_INVALIDATE_GB_IMAGE
2110 * @dev_priv: Pointer to a device private struct.
2111 * @sw_context: The software context being used for this batch.
2112 * @header: Pointer to the command header in the command stream.
2114 static int vmw_cmd_invalidate_gb_image(struct vmw_private *dev_priv,
2115 struct vmw_sw_context *sw_context,
2116 SVGA3dCmdHeader *header)
2118 struct vmw_gb_surface_cmd {
2119 SVGA3dCmdHeader header;
2120 SVGA3dCmdInvalidateGBImage body;
2123 cmd = container_of(header, struct vmw_gb_surface_cmd, header);
2125 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2126 user_surface_converter,
2127 &cmd->body.image.sid, NULL);
2131 * vmw_cmd_invalidate_gb_surface - Validate an
2132 * SVGA_3D_CMD_INVALIDATE_GB_SURFACE command
2134 * @dev_priv: Pointer to a device private struct.
2135 * @sw_context: The software context being used for this batch.
2136 * @header: Pointer to the command header in the command stream.
2138 static int vmw_cmd_invalidate_gb_surface(struct vmw_private *dev_priv,
2139 struct vmw_sw_context *sw_context,
2140 SVGA3dCmdHeader *header)
2142 struct vmw_gb_surface_cmd {
2143 SVGA3dCmdHeader header;
2144 SVGA3dCmdInvalidateGBSurface body;
2147 cmd = container_of(header, struct vmw_gb_surface_cmd, header);
2149 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2150 user_surface_converter,
2151 &cmd->body.sid, NULL);
2156 * vmw_cmd_shader_define - Validate an SVGA_3D_CMD_SHADER_DEFINE
2159 * @dev_priv: Pointer to a device private struct.
2160 * @sw_context: The software context being used for this batch.
2161 * @header: Pointer to the command header in the command stream.
2163 static int vmw_cmd_shader_define(struct vmw_private *dev_priv,
2164 struct vmw_sw_context *sw_context,
2165 SVGA3dCmdHeader *header)
2167 struct vmw_shader_define_cmd {
2168 SVGA3dCmdHeader header;
2169 SVGA3dCmdDefineShader body;
2173 struct vmw_resource_val_node *val;
2175 cmd = container_of(header, struct vmw_shader_define_cmd,
2178 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
2179 user_context_converter, &cmd->body.cid,
2181 if (unlikely(ret != 0))
2184 if (unlikely(!dev_priv->has_mob))
2187 size = cmd->header.size - sizeof(cmd->body);
2188 ret = vmw_compat_shader_add(dev_priv,
2189 vmw_context_res_man(val->res),
2190 cmd->body.shid, cmd + 1,
2191 cmd->body.type, size,
2192 &sw_context->staged_cmd_res);
2193 if (unlikely(ret != 0))
2196 return vmw_resource_relocation_add(&sw_context->res_relocations,
2198 vmw_ptr_diff(sw_context->buf_start,
2204 * vmw_cmd_shader_destroy - Validate an SVGA_3D_CMD_SHADER_DESTROY
2207 * @dev_priv: Pointer to a device private struct.
2208 * @sw_context: The software context being used for this batch.
2209 * @header: Pointer to the command header in the command stream.
2211 static int vmw_cmd_shader_destroy(struct vmw_private *dev_priv,
2212 struct vmw_sw_context *sw_context,
2213 SVGA3dCmdHeader *header)
2215 struct vmw_shader_destroy_cmd {
2216 SVGA3dCmdHeader header;
2217 SVGA3dCmdDestroyShader body;
2220 struct vmw_resource_val_node *val;
2222 cmd = container_of(header, struct vmw_shader_destroy_cmd,
2225 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
2226 user_context_converter, &cmd->body.cid,
2228 if (unlikely(ret != 0))
2231 if (unlikely(!dev_priv->has_mob))
2234 ret = vmw_shader_remove(vmw_context_res_man(val->res),
2237 &sw_context->staged_cmd_res);
2238 if (unlikely(ret != 0))
2241 return vmw_resource_relocation_add(&sw_context->res_relocations,
2243 vmw_ptr_diff(sw_context->buf_start,
2249 * vmw_cmd_set_shader - Validate an SVGA_3D_CMD_SET_SHADER
2252 * @dev_priv: Pointer to a device private struct.
2253 * @sw_context: The software context being used for this batch.
2254 * @header: Pointer to the command header in the command stream.
2256 static int vmw_cmd_set_shader(struct vmw_private *dev_priv,
2257 struct vmw_sw_context *sw_context,
2258 SVGA3dCmdHeader *header)
2260 struct vmw_set_shader_cmd {
2261 SVGA3dCmdHeader header;
2262 SVGA3dCmdSetShader body;
2264 struct vmw_resource_val_node *ctx_node, *res_node = NULL;
2265 struct vmw_ctx_bindinfo_shader binding;
2266 struct vmw_resource *res = NULL;
2269 cmd = container_of(header, struct vmw_set_shader_cmd,
2272 if (cmd->body.type >= SVGA3D_SHADERTYPE_PREDX_MAX) {
2273 DRM_ERROR("Illegal shader type %u.\n",
2274 (unsigned) cmd->body.type);
2278 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
2279 user_context_converter, &cmd->body.cid,
2281 if (unlikely(ret != 0))
2284 if (!dev_priv->has_mob)
2287 if (cmd->body.shid != SVGA3D_INVALID_ID) {
2288 res = vmw_shader_lookup(vmw_context_res_man(ctx_node->res),
2293 ret = vmw_cmd_res_reloc_add(dev_priv, sw_context,
2294 &cmd->body.shid, res,
2296 vmw_resource_unreference(&res);
2297 if (unlikely(ret != 0))
2303 ret = vmw_cmd_res_check(dev_priv, sw_context,
2305 user_shader_converter,
2306 &cmd->body.shid, &res_node);
2307 if (unlikely(ret != 0))
2311 binding.bi.ctx = ctx_node->res;
2312 binding.bi.res = res_node ? res_node->res : NULL;
2313 binding.bi.bt = vmw_ctx_binding_shader;
2314 binding.shader_slot = cmd->body.type - SVGA3D_SHADERTYPE_MIN;
2315 vmw_binding_add(ctx_node->staged_bindings, &binding.bi,
2316 binding.shader_slot, 0);
2321 * vmw_cmd_set_shader_const - Validate an SVGA_3D_CMD_SET_SHADER_CONST
2324 * @dev_priv: Pointer to a device private struct.
2325 * @sw_context: The software context being used for this batch.
2326 * @header: Pointer to the command header in the command stream.
2328 static int vmw_cmd_set_shader_const(struct vmw_private *dev_priv,
2329 struct vmw_sw_context *sw_context,
2330 SVGA3dCmdHeader *header)
2332 struct vmw_set_shader_const_cmd {
2333 SVGA3dCmdHeader header;
2334 SVGA3dCmdSetShaderConst body;
2338 cmd = container_of(header, struct vmw_set_shader_const_cmd,
2341 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
2342 user_context_converter, &cmd->body.cid,
2344 if (unlikely(ret != 0))
2347 if (dev_priv->has_mob)
2348 header->id = SVGA_3D_CMD_SET_GB_SHADERCONSTS_INLINE;
2354 * vmw_cmd_bind_gb_shader - Validate an SVGA_3D_CMD_BIND_GB_SHADER
2357 * @dev_priv: Pointer to a device private struct.
2358 * @sw_context: The software context being used for this batch.
2359 * @header: Pointer to the command header in the command stream.
2361 static int vmw_cmd_bind_gb_shader(struct vmw_private *dev_priv,
2362 struct vmw_sw_context *sw_context,
2363 SVGA3dCmdHeader *header)
2365 struct vmw_bind_gb_shader_cmd {
2366 SVGA3dCmdHeader header;
2367 SVGA3dCmdBindGBShader body;
2370 cmd = container_of(header, struct vmw_bind_gb_shader_cmd,
2373 return vmw_cmd_switch_backup(dev_priv, sw_context, vmw_res_shader,
2374 user_shader_converter,
2375 &cmd->body.shid, &cmd->body.mobid,
2376 cmd->body.offsetInBytes);
2380 * vmw_cmd_dx_set_single_constant_buffer - Validate an
2381 * SVGA_3D_CMD_DX_SET_SINGLE_CONSTANT_BUFFER command.
2383 * @dev_priv: Pointer to a device private struct.
2384 * @sw_context: The software context being used for this batch.
2385 * @header: Pointer to the command header in the command stream.
2388 vmw_cmd_dx_set_single_constant_buffer(struct vmw_private *dev_priv,
2389 struct vmw_sw_context *sw_context,
2390 SVGA3dCmdHeader *header)
2393 SVGA3dCmdHeader header;
2394 SVGA3dCmdDXSetSingleConstantBuffer body;
2396 struct vmw_resource_val_node *res_node = NULL;
2397 struct vmw_resource_val_node *ctx_node = sw_context->dx_ctx_node;
2398 struct vmw_ctx_bindinfo_cb binding;
2401 if (unlikely(ctx_node == NULL)) {
2402 DRM_ERROR("DX Context not set.\n");
2406 cmd = container_of(header, typeof(*cmd), header);
2407 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2408 user_surface_converter,
2409 &cmd->body.sid, &res_node);
2410 if (unlikely(ret != 0))
2413 binding.bi.ctx = ctx_node->res;
2414 binding.bi.res = res_node ? res_node->res : NULL;
2415 binding.bi.bt = vmw_ctx_binding_cb;
2416 binding.shader_slot = cmd->body.type - SVGA3D_SHADERTYPE_MIN;
2417 binding.offset = cmd->body.offsetInBytes;
2418 binding.size = cmd->body.sizeInBytes;
2419 binding.slot = cmd->body.slot;
2421 if (binding.shader_slot >= SVGA3D_NUM_SHADERTYPE_DX10 ||
2422 binding.slot >= SVGA3D_DX_MAX_CONSTBUFFERS) {
2423 DRM_ERROR("Illegal const buffer shader %u slot %u.\n",
2424 (unsigned) cmd->body.type,
2425 (unsigned) binding.slot);
2429 vmw_binding_add(ctx_node->staged_bindings, &binding.bi,
2430 binding.shader_slot, binding.slot);
2436 * vmw_cmd_dx_set_shader_res - Validate an
2437 * SVGA_3D_CMD_DX_SET_SHADER_RESOURCES command
2439 * @dev_priv: Pointer to a device private struct.
2440 * @sw_context: The software context being used for this batch.
2441 * @header: Pointer to the command header in the command stream.
2443 static int vmw_cmd_dx_set_shader_res(struct vmw_private *dev_priv,
2444 struct vmw_sw_context *sw_context,
2445 SVGA3dCmdHeader *header)
2448 SVGA3dCmdHeader header;
2449 SVGA3dCmdDXSetShaderResources body;
2450 } *cmd = container_of(header, typeof(*cmd), header);
2451 u32 num_sr_view = (cmd->header.size - sizeof(cmd->body)) /
2452 sizeof(SVGA3dShaderResourceViewId);
2454 if ((u64) cmd->body.startView + (u64) num_sr_view >
2455 (u64) SVGA3D_DX_MAX_SRVIEWS ||
2456 cmd->body.type >= SVGA3D_SHADERTYPE_DX10_MAX) {
2457 DRM_ERROR("Invalid shader binding.\n");
2461 return vmw_view_bindings_add(sw_context, vmw_view_sr,
2463 cmd->body.type - SVGA3D_SHADERTYPE_MIN,
2464 (void *) &cmd[1], num_sr_view,
2465 cmd->body.startView);
2469 * vmw_cmd_dx_set_shader - Validate an SVGA_3D_CMD_DX_SET_SHADER
2472 * @dev_priv: Pointer to a device private struct.
2473 * @sw_context: The software context being used for this batch.
2474 * @header: Pointer to the command header in the command stream.
2476 static int vmw_cmd_dx_set_shader(struct vmw_private *dev_priv,
2477 struct vmw_sw_context *sw_context,
2478 SVGA3dCmdHeader *header)
2481 SVGA3dCmdHeader header;
2482 SVGA3dCmdDXSetShader body;
2484 struct vmw_resource *res = NULL;
2485 struct vmw_resource_val_node *ctx_node = sw_context->dx_ctx_node;
2486 struct vmw_ctx_bindinfo_shader binding;
2489 if (unlikely(ctx_node == NULL)) {
2490 DRM_ERROR("DX Context not set.\n");
2494 cmd = container_of(header, typeof(*cmd), header);
2496 if (cmd->body.type >= SVGA3D_SHADERTYPE_DX10_MAX) {
2497 DRM_ERROR("Illegal shader type %u.\n",
2498 (unsigned) cmd->body.type);
2502 if (cmd->body.shaderId != SVGA3D_INVALID_ID) {
2503 res = vmw_shader_lookup(sw_context->man, cmd->body.shaderId, 0);
2505 DRM_ERROR("Could not find shader for binding.\n");
2506 return PTR_ERR(res);
2509 ret = vmw_resource_val_add(sw_context, res, NULL);
2514 binding.bi.ctx = ctx_node->res;
2515 binding.bi.res = res;
2516 binding.bi.bt = vmw_ctx_binding_dx_shader;
2517 binding.shader_slot = cmd->body.type - SVGA3D_SHADERTYPE_MIN;
2519 vmw_binding_add(ctx_node->staged_bindings, &binding.bi,
2520 binding.shader_slot, 0);
2523 vmw_resource_unreference(&res);
2529 * vmw_cmd_dx_set_vertex_buffers - Validates an
2530 * SVGA_3D_CMD_DX_SET_VERTEX_BUFFERS command
2532 * @dev_priv: Pointer to a device private struct.
2533 * @sw_context: The software context being used for this batch.
2534 * @header: Pointer to the command header in the command stream.
2536 static int vmw_cmd_dx_set_vertex_buffers(struct vmw_private *dev_priv,
2537 struct vmw_sw_context *sw_context,
2538 SVGA3dCmdHeader *header)
2540 struct vmw_resource_val_node *ctx_node = sw_context->dx_ctx_node;
2541 struct vmw_ctx_bindinfo_vb binding;
2542 struct vmw_resource_val_node *res_node;
2544 SVGA3dCmdHeader header;
2545 SVGA3dCmdDXSetVertexBuffers body;
2546 SVGA3dVertexBuffer buf[];
2550 if (unlikely(ctx_node == NULL)) {
2551 DRM_ERROR("DX Context not set.\n");
2555 cmd = container_of(header, typeof(*cmd), header);
2556 num = (cmd->header.size - sizeof(cmd->body)) /
2557 sizeof(SVGA3dVertexBuffer);
2558 if ((u64)num + (u64)cmd->body.startBuffer >
2559 (u64)SVGA3D_DX_MAX_VERTEXBUFFERS) {
2560 DRM_ERROR("Invalid number of vertex buffers.\n");
2564 for (i = 0; i < num; i++) {
2565 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2566 user_surface_converter,
2567 &cmd->buf[i].sid, &res_node);
2568 if (unlikely(ret != 0))
2571 binding.bi.ctx = ctx_node->res;
2572 binding.bi.bt = vmw_ctx_binding_vb;
2573 binding.bi.res = ((res_node) ? res_node->res : NULL);
2574 binding.offset = cmd->buf[i].offset;
2575 binding.stride = cmd->buf[i].stride;
2576 binding.slot = i + cmd->body.startBuffer;
2578 vmw_binding_add(ctx_node->staged_bindings, &binding.bi,
2586 * vmw_cmd_dx_ia_set_vertex_buffers - Validate an
2587 * SVGA_3D_CMD_DX_IA_SET_VERTEX_BUFFERS command.
2589 * @dev_priv: Pointer to a device private struct.
2590 * @sw_context: The software context being used for this batch.
2591 * @header: Pointer to the command header in the command stream.
2593 static int vmw_cmd_dx_set_index_buffer(struct vmw_private *dev_priv,
2594 struct vmw_sw_context *sw_context,
2595 SVGA3dCmdHeader *header)
2597 struct vmw_resource_val_node *ctx_node = sw_context->dx_ctx_node;
2598 struct vmw_ctx_bindinfo_ib binding;
2599 struct vmw_resource_val_node *res_node;
2601 SVGA3dCmdHeader header;
2602 SVGA3dCmdDXSetIndexBuffer body;
2606 if (unlikely(ctx_node == NULL)) {
2607 DRM_ERROR("DX Context not set.\n");
2611 cmd = container_of(header, typeof(*cmd), header);
2612 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2613 user_surface_converter,
2614 &cmd->body.sid, &res_node);
2615 if (unlikely(ret != 0))
2618 binding.bi.ctx = ctx_node->res;
2619 binding.bi.res = ((res_node) ? res_node->res : NULL);
2620 binding.bi.bt = vmw_ctx_binding_ib;
2621 binding.offset = cmd->body.offset;
2622 binding.format = cmd->body.format;
2624 vmw_binding_add(ctx_node->staged_bindings, &binding.bi, 0, 0);
2630 * vmw_cmd_dx_set_rendertarget - Validate an
2631 * SVGA_3D_CMD_DX_SET_RENDERTARGETS 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_set_rendertargets(struct vmw_private *dev_priv,
2638 struct vmw_sw_context *sw_context,
2639 SVGA3dCmdHeader *header)
2642 SVGA3dCmdHeader header;
2643 SVGA3dCmdDXSetRenderTargets body;
2644 } *cmd = container_of(header, typeof(*cmd), header);
2646 u32 num_rt_view = (cmd->header.size - sizeof(cmd->body)) /
2647 sizeof(SVGA3dRenderTargetViewId);
2649 if (num_rt_view > SVGA3D_MAX_SIMULTANEOUS_RENDER_TARGETS) {
2650 DRM_ERROR("Invalid DX Rendertarget binding.\n");
2654 ret = vmw_view_bindings_add(sw_context, vmw_view_ds,
2655 vmw_ctx_binding_ds, 0,
2656 &cmd->body.depthStencilViewId, 1, 0);
2660 return vmw_view_bindings_add(sw_context, vmw_view_rt,
2661 vmw_ctx_binding_dx_rt, 0,
2662 (void *)&cmd[1], num_rt_view, 0);
2666 * vmw_cmd_dx_clear_rendertarget_view - Validate an
2667 * SVGA_3D_CMD_DX_CLEAR_RENDERTARGET_VIEW command
2669 * @dev_priv: Pointer to a device private struct.
2670 * @sw_context: The software context being used for this batch.
2671 * @header: Pointer to the command header in the command stream.
2673 static int vmw_cmd_dx_clear_rendertarget_view(struct vmw_private *dev_priv,
2674 struct vmw_sw_context *sw_context,
2675 SVGA3dCmdHeader *header)
2678 SVGA3dCmdHeader header;
2679 SVGA3dCmdDXClearRenderTargetView body;
2680 } *cmd = container_of(header, typeof(*cmd), header);
2682 return vmw_view_id_val_add(sw_context, vmw_view_rt,
2683 cmd->body.renderTargetViewId);
2687 * vmw_cmd_dx_clear_rendertarget_view - Validate an
2688 * SVGA_3D_CMD_DX_CLEAR_DEPTHSTENCIL_VIEW command
2690 * @dev_priv: Pointer to a device private struct.
2691 * @sw_context: The software context being used for this batch.
2692 * @header: Pointer to the command header in the command stream.
2694 static int vmw_cmd_dx_clear_depthstencil_view(struct vmw_private *dev_priv,
2695 struct vmw_sw_context *sw_context,
2696 SVGA3dCmdHeader *header)
2699 SVGA3dCmdHeader header;
2700 SVGA3dCmdDXClearDepthStencilView body;
2701 } *cmd = container_of(header, typeof(*cmd), header);
2703 return vmw_view_id_val_add(sw_context, vmw_view_ds,
2704 cmd->body.depthStencilViewId);
2707 static int vmw_cmd_dx_view_define(struct vmw_private *dev_priv,
2708 struct vmw_sw_context *sw_context,
2709 SVGA3dCmdHeader *header)
2711 struct vmw_resource_val_node *ctx_node = sw_context->dx_ctx_node;
2712 struct vmw_resource_val_node *srf_node;
2713 struct vmw_resource *res;
2714 enum vmw_view_type view_type;
2717 * This is based on the fact that all affected define commands have
2718 * the same initial command body layout.
2721 SVGA3dCmdHeader header;
2726 if (unlikely(ctx_node == NULL)) {
2727 DRM_ERROR("DX Context not set.\n");
2731 view_type = vmw_view_cmd_to_type(header->id);
2732 cmd = container_of(header, typeof(*cmd), header);
2733 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2734 user_surface_converter,
2735 &cmd->sid, &srf_node);
2736 if (unlikely(ret != 0))
2739 res = vmw_context_cotable(ctx_node->res, vmw_view_cotables[view_type]);
2740 ret = vmw_cotable_notify(res, cmd->defined_id);
2741 vmw_resource_unreference(&res);
2742 if (unlikely(ret != 0))
2745 return vmw_view_add(sw_context->man,
2751 header->size + sizeof(*header),
2752 &sw_context->staged_cmd_res);
2756 * vmw_cmd_dx_set_so_targets - Validate an
2757 * SVGA_3D_CMD_DX_SET_SOTARGETS command.
2759 * @dev_priv: Pointer to a device private struct.
2760 * @sw_context: The software context being used for this batch.
2761 * @header: Pointer to the command header in the command stream.
2763 static int vmw_cmd_dx_set_so_targets(struct vmw_private *dev_priv,
2764 struct vmw_sw_context *sw_context,
2765 SVGA3dCmdHeader *header)
2767 struct vmw_resource_val_node *ctx_node = sw_context->dx_ctx_node;
2768 struct vmw_ctx_bindinfo_so binding;
2769 struct vmw_resource_val_node *res_node;
2771 SVGA3dCmdHeader header;
2772 SVGA3dCmdDXSetSOTargets body;
2773 SVGA3dSoTarget targets[];
2777 if (unlikely(ctx_node == NULL)) {
2778 DRM_ERROR("DX Context not set.\n");
2782 cmd = container_of(header, typeof(*cmd), header);
2783 num = (cmd->header.size - sizeof(cmd->body)) /
2784 sizeof(SVGA3dSoTarget);
2786 if (num > SVGA3D_DX_MAX_SOTARGETS) {
2787 DRM_ERROR("Invalid DX SO binding.\n");
2791 for (i = 0; i < num; i++) {
2792 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2793 user_surface_converter,
2794 &cmd->targets[i].sid, &res_node);
2795 if (unlikely(ret != 0))
2798 binding.bi.ctx = ctx_node->res;
2799 binding.bi.res = ((res_node) ? res_node->res : NULL);
2800 binding.bi.bt = vmw_ctx_binding_so,
2801 binding.offset = cmd->targets[i].offset;
2802 binding.size = cmd->targets[i].sizeInBytes;
2805 vmw_binding_add(ctx_node->staged_bindings, &binding.bi,
2812 static int vmw_cmd_dx_so_define(struct vmw_private *dev_priv,
2813 struct vmw_sw_context *sw_context,
2814 SVGA3dCmdHeader *header)
2816 struct vmw_resource_val_node *ctx_node = sw_context->dx_ctx_node;
2817 struct vmw_resource *res;
2819 * This is based on the fact that all affected define commands have
2820 * the same initial command body layout.
2823 SVGA3dCmdHeader header;
2826 enum vmw_so_type so_type;
2829 if (unlikely(ctx_node == NULL)) {
2830 DRM_ERROR("DX Context not set.\n");
2834 so_type = vmw_so_cmd_to_type(header->id);
2835 res = vmw_context_cotable(ctx_node->res, vmw_so_cotables[so_type]);
2836 cmd = container_of(header, typeof(*cmd), header);
2837 ret = vmw_cotable_notify(res, cmd->defined_id);
2838 vmw_resource_unreference(&res);
2844 * vmw_cmd_dx_check_subresource - Validate an
2845 * SVGA_3D_CMD_DX_[X]_SUBRESOURCE command
2847 * @dev_priv: Pointer to a device private struct.
2848 * @sw_context: The software context being used for this batch.
2849 * @header: Pointer to the command header in the command stream.
2851 static int vmw_cmd_dx_check_subresource(struct vmw_private *dev_priv,
2852 struct vmw_sw_context *sw_context,
2853 SVGA3dCmdHeader *header)
2856 SVGA3dCmdHeader header;
2858 SVGA3dCmdDXReadbackSubResource r_body;
2859 SVGA3dCmdDXInvalidateSubResource i_body;
2860 SVGA3dCmdDXUpdateSubResource u_body;
2861 SVGA3dSurfaceId sid;
2865 BUILD_BUG_ON(offsetof(typeof(*cmd), r_body.sid) !=
2866 offsetof(typeof(*cmd), sid));
2867 BUILD_BUG_ON(offsetof(typeof(*cmd), i_body.sid) !=
2868 offsetof(typeof(*cmd), sid));
2869 BUILD_BUG_ON(offsetof(typeof(*cmd), u_body.sid) !=
2870 offsetof(typeof(*cmd), sid));
2872 cmd = container_of(header, typeof(*cmd), header);
2874 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
2875 user_surface_converter,
2879 static int vmw_cmd_dx_cid_check(struct vmw_private *dev_priv,
2880 struct vmw_sw_context *sw_context,
2881 SVGA3dCmdHeader *header)
2883 struct vmw_resource_val_node *ctx_node = sw_context->dx_ctx_node;
2885 if (unlikely(ctx_node == NULL)) {
2886 DRM_ERROR("DX Context not set.\n");
2894 * vmw_cmd_dx_view_remove - validate a view remove command and
2895 * schedule the view resource for removal.
2897 * @dev_priv: Pointer to a device private struct.
2898 * @sw_context: The software context being used for this batch.
2899 * @header: Pointer to the command header in the command stream.
2901 * Check that the view exists, and if it was not created using this
2902 * command batch, conditionally make this command a NOP.
2904 static int vmw_cmd_dx_view_remove(struct vmw_private *dev_priv,
2905 struct vmw_sw_context *sw_context,
2906 SVGA3dCmdHeader *header)
2908 struct vmw_resource_val_node *ctx_node = sw_context->dx_ctx_node;
2910 SVGA3dCmdHeader header;
2911 union vmw_view_destroy body;
2912 } *cmd = container_of(header, typeof(*cmd), header);
2913 enum vmw_view_type view_type = vmw_view_cmd_to_type(header->id);
2914 struct vmw_resource *view;
2918 DRM_ERROR("DX Context not set.\n");
2922 ret = vmw_view_remove(sw_context->man,
2923 cmd->body.view_id, view_type,
2924 &sw_context->staged_cmd_res,
2930 * If the view wasn't created during this command batch, it might
2931 * have been removed due to a context swapout, so add a
2932 * relocation to conditionally make this command a NOP to avoid
2935 return vmw_resource_relocation_add(&sw_context->res_relocations,
2937 vmw_ptr_diff(sw_context->buf_start,
2939 vmw_res_rel_cond_nop);
2943 * vmw_cmd_dx_define_shader - Validate an SVGA_3D_CMD_DX_DEFINE_SHADER
2946 * @dev_priv: Pointer to a device private struct.
2947 * @sw_context: The software context being used for this batch.
2948 * @header: Pointer to the command header in the command stream.
2950 static int vmw_cmd_dx_define_shader(struct vmw_private *dev_priv,
2951 struct vmw_sw_context *sw_context,
2952 SVGA3dCmdHeader *header)
2954 struct vmw_resource_val_node *ctx_node = sw_context->dx_ctx_node;
2955 struct vmw_resource *res;
2957 SVGA3dCmdHeader header;
2958 SVGA3dCmdDXDefineShader body;
2959 } *cmd = container_of(header, typeof(*cmd), header);
2963 DRM_ERROR("DX Context not set.\n");
2967 res = vmw_context_cotable(ctx_node->res, SVGA_COTABLE_DXSHADER);
2968 ret = vmw_cotable_notify(res, cmd->body.shaderId);
2969 vmw_resource_unreference(&res);
2973 return vmw_dx_shader_add(sw_context->man, ctx_node->res,
2974 cmd->body.shaderId, cmd->body.type,
2975 &sw_context->staged_cmd_res);
2979 * vmw_cmd_dx_destroy_shader - Validate an SVGA_3D_CMD_DX_DESTROY_SHADER
2982 * @dev_priv: Pointer to a device private struct.
2983 * @sw_context: The software context being used for this batch.
2984 * @header: Pointer to the command header in the command stream.
2986 static int vmw_cmd_dx_destroy_shader(struct vmw_private *dev_priv,
2987 struct vmw_sw_context *sw_context,
2988 SVGA3dCmdHeader *header)
2990 struct vmw_resource_val_node *ctx_node = sw_context->dx_ctx_node;
2992 SVGA3dCmdHeader header;
2993 SVGA3dCmdDXDestroyShader body;
2994 } *cmd = container_of(header, typeof(*cmd), header);
2998 DRM_ERROR("DX Context not set.\n");
3002 ret = vmw_shader_remove(sw_context->man, cmd->body.shaderId, 0,
3003 &sw_context->staged_cmd_res);
3005 DRM_ERROR("Could not find shader to remove.\n");
3011 * vmw_cmd_dx_bind_shader - Validate an SVGA_3D_CMD_DX_BIND_SHADER
3014 * @dev_priv: Pointer to a device private struct.
3015 * @sw_context: The software context being used for this batch.
3016 * @header: Pointer to the command header in the command stream.
3018 static int vmw_cmd_dx_bind_shader(struct vmw_private *dev_priv,
3019 struct vmw_sw_context *sw_context,
3020 SVGA3dCmdHeader *header)
3022 struct vmw_resource_val_node *ctx_node;
3023 struct vmw_resource_val_node *res_node;
3024 struct vmw_resource *res;
3026 SVGA3dCmdHeader header;
3027 SVGA3dCmdDXBindShader body;
3028 } *cmd = container_of(header, typeof(*cmd), header);
3031 if (cmd->body.cid != SVGA3D_INVALID_ID) {
3032 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
3033 user_context_converter,
3034 &cmd->body.cid, &ctx_node);
3038 ctx_node = sw_context->dx_ctx_node;
3040 DRM_ERROR("DX Context not set.\n");
3045 res = vmw_shader_lookup(vmw_context_res_man(ctx_node->res),
3048 DRM_ERROR("Could not find shader to bind.\n");
3049 return PTR_ERR(res);
3052 ret = vmw_resource_val_add(sw_context, res, &res_node);
3054 DRM_ERROR("Error creating resource validation node.\n");
3059 ret = vmw_cmd_res_switch_backup(dev_priv, sw_context, res_node,
3061 cmd->body.offsetInBytes);
3063 vmw_resource_unreference(&res);
3069 * vmw_cmd_dx_genmips - Validate an SVGA_3D_CMD_DX_GENMIPS command
3071 * @dev_priv: Pointer to a device private struct.
3072 * @sw_context: The software context being used for this batch.
3073 * @header: Pointer to the command header in the command stream.
3075 static int vmw_cmd_dx_genmips(struct vmw_private *dev_priv,
3076 struct vmw_sw_context *sw_context,
3077 SVGA3dCmdHeader *header)
3080 SVGA3dCmdHeader header;
3081 SVGA3dCmdDXGenMips body;
3082 } *cmd = container_of(header, typeof(*cmd), header);
3084 return vmw_view_id_val_add(sw_context, vmw_view_sr,
3085 cmd->body.shaderResourceViewId);
3089 * vmw_cmd_dx_transfer_from_buffer -
3090 * Validate an SVGA_3D_CMD_DX_TRANSFER_FROM_BUFFER command
3092 * @dev_priv: Pointer to a device private struct.
3093 * @sw_context: The software context being used for this batch.
3094 * @header: Pointer to the command header in the command stream.
3096 static int vmw_cmd_dx_transfer_from_buffer(struct vmw_private *dev_priv,
3097 struct vmw_sw_context *sw_context,
3098 SVGA3dCmdHeader *header)
3101 SVGA3dCmdHeader header;
3102 SVGA3dCmdDXTransferFromBuffer body;
3103 } *cmd = container_of(header, typeof(*cmd), header);
3106 ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
3107 user_surface_converter,
3108 &cmd->body.srcSid, NULL);
3112 return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
3113 user_surface_converter,
3114 &cmd->body.destSid, NULL);
3117 static int vmw_cmd_check_not_3d(struct vmw_private *dev_priv,
3118 struct vmw_sw_context *sw_context,
3119 void *buf, uint32_t *size)
3121 uint32_t size_remaining = *size;
3124 cmd_id = ((uint32_t *)buf)[0];
3126 case SVGA_CMD_UPDATE:
3127 *size = sizeof(uint32_t) + sizeof(SVGAFifoCmdUpdate);
3129 case SVGA_CMD_DEFINE_GMRFB:
3130 *size = sizeof(uint32_t) + sizeof(SVGAFifoCmdDefineGMRFB);
3132 case SVGA_CMD_BLIT_GMRFB_TO_SCREEN:
3133 *size = sizeof(uint32_t) + sizeof(SVGAFifoCmdBlitGMRFBToScreen);
3135 case SVGA_CMD_BLIT_SCREEN_TO_GMRFB:
3136 *size = sizeof(uint32_t) + sizeof(SVGAFifoCmdBlitGMRFBToScreen);
3139 DRM_ERROR("Unsupported SVGA command: %u.\n", cmd_id);
3143 if (*size > size_remaining) {
3144 DRM_ERROR("Invalid SVGA command (size mismatch):"
3149 if (unlikely(!sw_context->kernel)) {
3150 DRM_ERROR("Kernel only SVGA command: %u.\n", cmd_id);
3154 if (cmd_id == SVGA_CMD_DEFINE_GMRFB)
3155 return vmw_cmd_check_define_gmrfb(dev_priv, sw_context, buf);
3160 static const struct vmw_cmd_entry vmw_cmd_entries[SVGA_3D_CMD_MAX] = {
3161 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DEFINE, &vmw_cmd_invalid,
3162 false, false, false),
3163 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DESTROY, &vmw_cmd_invalid,
3164 false, false, false),
3165 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_COPY, &vmw_cmd_surface_copy_check,
3166 true, false, false),
3167 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_STRETCHBLT, &vmw_cmd_stretch_blt_check,
3168 true, false, false),
3169 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DMA, &vmw_cmd_dma,
3170 true, false, false),
3171 VMW_CMD_DEF(SVGA_3D_CMD_CONTEXT_DEFINE, &vmw_cmd_invalid,
3172 false, false, false),
3173 VMW_CMD_DEF(SVGA_3D_CMD_CONTEXT_DESTROY, &vmw_cmd_invalid,
3174 false, false, false),
3175 VMW_CMD_DEF(SVGA_3D_CMD_SETTRANSFORM, &vmw_cmd_cid_check,
3176 true, false, false),
3177 VMW_CMD_DEF(SVGA_3D_CMD_SETZRANGE, &vmw_cmd_cid_check,
3178 true, false, false),
3179 VMW_CMD_DEF(SVGA_3D_CMD_SETRENDERSTATE, &vmw_cmd_cid_check,
3180 true, false, false),
3181 VMW_CMD_DEF(SVGA_3D_CMD_SETRENDERTARGET,
3182 &vmw_cmd_set_render_target_check, true, false, false),
3183 VMW_CMD_DEF(SVGA_3D_CMD_SETTEXTURESTATE, &vmw_cmd_tex_state,
3184 true, false, false),
3185 VMW_CMD_DEF(SVGA_3D_CMD_SETMATERIAL, &vmw_cmd_cid_check,
3186 true, false, false),
3187 VMW_CMD_DEF(SVGA_3D_CMD_SETLIGHTDATA, &vmw_cmd_cid_check,
3188 true, false, false),
3189 VMW_CMD_DEF(SVGA_3D_CMD_SETLIGHTENABLED, &vmw_cmd_cid_check,
3190 true, false, false),
3191 VMW_CMD_DEF(SVGA_3D_CMD_SETVIEWPORT, &vmw_cmd_cid_check,
3192 true, false, false),
3193 VMW_CMD_DEF(SVGA_3D_CMD_SETCLIPPLANE, &vmw_cmd_cid_check,
3194 true, false, false),
3195 VMW_CMD_DEF(SVGA_3D_CMD_CLEAR, &vmw_cmd_cid_check,
3196 true, false, false),
3197 VMW_CMD_DEF(SVGA_3D_CMD_PRESENT, &vmw_cmd_present_check,
3198 false, false, false),
3199 VMW_CMD_DEF(SVGA_3D_CMD_SHADER_DEFINE, &vmw_cmd_shader_define,
3200 true, false, false),
3201 VMW_CMD_DEF(SVGA_3D_CMD_SHADER_DESTROY, &vmw_cmd_shader_destroy,
3202 true, false, false),
3203 VMW_CMD_DEF(SVGA_3D_CMD_SET_SHADER, &vmw_cmd_set_shader,
3204 true, false, false),
3205 VMW_CMD_DEF(SVGA_3D_CMD_SET_SHADER_CONST, &vmw_cmd_set_shader_const,
3206 true, false, false),
3207 VMW_CMD_DEF(SVGA_3D_CMD_DRAW_PRIMITIVES, &vmw_cmd_draw,
3208 true, false, false),
3209 VMW_CMD_DEF(SVGA_3D_CMD_SETSCISSORRECT, &vmw_cmd_cid_check,
3210 true, false, false),
3211 VMW_CMD_DEF(SVGA_3D_CMD_BEGIN_QUERY, &vmw_cmd_begin_query,
3212 true, false, false),
3213 VMW_CMD_DEF(SVGA_3D_CMD_END_QUERY, &vmw_cmd_end_query,
3214 true, false, false),
3215 VMW_CMD_DEF(SVGA_3D_CMD_WAIT_FOR_QUERY, &vmw_cmd_wait_query,
3216 true, false, false),
3217 VMW_CMD_DEF(SVGA_3D_CMD_PRESENT_READBACK, &vmw_cmd_ok,
3218 true, false, false),
3219 VMW_CMD_DEF(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN,
3220 &vmw_cmd_blt_surf_screen_check, false, false, false),
3221 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DEFINE_V2, &vmw_cmd_invalid,
3222 false, false, false),
3223 VMW_CMD_DEF(SVGA_3D_CMD_GENERATE_MIPMAPS, &vmw_cmd_invalid,
3224 false, false, false),
3225 VMW_CMD_DEF(SVGA_3D_CMD_ACTIVATE_SURFACE, &vmw_cmd_invalid,
3226 false, false, false),
3227 VMW_CMD_DEF(SVGA_3D_CMD_DEACTIVATE_SURFACE, &vmw_cmd_invalid,
3228 false, false, false),
3229 VMW_CMD_DEF(SVGA_3D_CMD_SCREEN_DMA, &vmw_cmd_invalid,
3230 false, false, false),
3231 VMW_CMD_DEF(SVGA_3D_CMD_SET_UNITY_SURFACE_COOKIE, &vmw_cmd_invalid,
3232 false, false, false),
3233 VMW_CMD_DEF(SVGA_3D_CMD_OPEN_CONTEXT_SURFACE, &vmw_cmd_invalid,
3234 false, false, false),
3235 VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_BITBLT, &vmw_cmd_invalid,
3236 false, false, false),
3237 VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_TRANSBLT, &vmw_cmd_invalid,
3238 false, false, false),
3239 VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_STRETCHBLT, &vmw_cmd_invalid,
3240 false, false, false),
3241 VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_COLORFILL, &vmw_cmd_invalid,
3242 false, false, false),
3243 VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_ALPHABLEND, &vmw_cmd_invalid,
3244 false, false, false),
3245 VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_CLEARTYPEBLEND, &vmw_cmd_invalid,
3246 false, false, false),
3247 VMW_CMD_DEF(SVGA_3D_CMD_SET_OTABLE_BASE, &vmw_cmd_invalid,
3248 false, false, true),
3249 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_OTABLE, &vmw_cmd_invalid,
3250 false, false, true),
3251 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_MOB, &vmw_cmd_invalid,
3252 false, false, true),
3253 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_MOB, &vmw_cmd_invalid,
3254 false, false, true),
3255 VMW_CMD_DEF(SVGA_3D_CMD_REDEFINE_GB_MOB64, &vmw_cmd_invalid,
3256 false, false, true),
3257 VMW_CMD_DEF(SVGA_3D_CMD_UPDATE_GB_MOB_MAPPING, &vmw_cmd_invalid,
3258 false, false, true),
3259 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SURFACE, &vmw_cmd_invalid,
3260 false, false, true),
3261 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_SURFACE, &vmw_cmd_invalid,
3262 false, false, true),
3263 VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_SURFACE, &vmw_cmd_bind_gb_surface,
3265 VMW_CMD_DEF(SVGA_3D_CMD_COND_BIND_GB_SURFACE, &vmw_cmd_invalid,
3266 false, false, true),
3267 VMW_CMD_DEF(SVGA_3D_CMD_UPDATE_GB_IMAGE, &vmw_cmd_update_gb_image,
3269 VMW_CMD_DEF(SVGA_3D_CMD_UPDATE_GB_SURFACE,
3270 &vmw_cmd_update_gb_surface, true, false, true),
3271 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_GB_IMAGE,
3272 &vmw_cmd_readback_gb_image, true, false, true),
3273 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_GB_SURFACE,
3274 &vmw_cmd_readback_gb_surface, true, false, true),
3275 VMW_CMD_DEF(SVGA_3D_CMD_INVALIDATE_GB_IMAGE,
3276 &vmw_cmd_invalidate_gb_image, true, false, true),
3277 VMW_CMD_DEF(SVGA_3D_CMD_INVALIDATE_GB_SURFACE,
3278 &vmw_cmd_invalidate_gb_surface, true, false, true),
3279 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_CONTEXT, &vmw_cmd_invalid,
3280 false, false, true),
3281 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_CONTEXT, &vmw_cmd_invalid,
3282 false, false, true),
3283 VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_CONTEXT, &vmw_cmd_invalid,
3284 false, false, true),
3285 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_GB_CONTEXT, &vmw_cmd_invalid,
3286 false, false, true),
3287 VMW_CMD_DEF(SVGA_3D_CMD_INVALIDATE_GB_CONTEXT, &vmw_cmd_invalid,
3288 false, false, true),
3289 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SHADER, &vmw_cmd_invalid,
3290 false, false, true),
3291 VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_SHADER, &vmw_cmd_bind_gb_shader,
3293 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_SHADER, &vmw_cmd_invalid,
3294 false, false, true),
3295 VMW_CMD_DEF(SVGA_3D_CMD_SET_OTABLE_BASE64, &vmw_cmd_invalid,
3296 false, false, false),
3297 VMW_CMD_DEF(SVGA_3D_CMD_BEGIN_GB_QUERY, &vmw_cmd_begin_gb_query,
3299 VMW_CMD_DEF(SVGA_3D_CMD_END_GB_QUERY, &vmw_cmd_end_gb_query,
3301 VMW_CMD_DEF(SVGA_3D_CMD_WAIT_FOR_GB_QUERY, &vmw_cmd_wait_gb_query,
3303 VMW_CMD_DEF(SVGA_3D_CMD_NOP, &vmw_cmd_ok,
3305 VMW_CMD_DEF(SVGA_3D_CMD_ENABLE_GART, &vmw_cmd_invalid,
3306 false, false, true),
3307 VMW_CMD_DEF(SVGA_3D_CMD_DISABLE_GART, &vmw_cmd_invalid,
3308 false, false, true),
3309 VMW_CMD_DEF(SVGA_3D_CMD_MAP_MOB_INTO_GART, &vmw_cmd_invalid,
3310 false, false, true),
3311 VMW_CMD_DEF(SVGA_3D_CMD_UNMAP_GART_RANGE, &vmw_cmd_invalid,
3312 false, false, true),
3313 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SCREENTARGET, &vmw_cmd_invalid,
3314 false, false, true),
3315 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_SCREENTARGET, &vmw_cmd_invalid,
3316 false, false, true),
3317 VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_SCREENTARGET, &vmw_cmd_invalid,
3318 false, false, true),
3319 VMW_CMD_DEF(SVGA_3D_CMD_UPDATE_GB_SCREENTARGET, &vmw_cmd_invalid,
3320 false, false, true),
3321 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_GB_IMAGE_PARTIAL, &vmw_cmd_invalid,
3322 false, false, true),
3323 VMW_CMD_DEF(SVGA_3D_CMD_INVALIDATE_GB_IMAGE_PARTIAL, &vmw_cmd_invalid,
3324 false, false, true),
3325 VMW_CMD_DEF(SVGA_3D_CMD_SET_GB_SHADERCONSTS_INLINE, &vmw_cmd_cid_check,
3327 VMW_CMD_DEF(SVGA_3D_CMD_GB_SCREEN_DMA, &vmw_cmd_invalid,
3328 false, false, true),
3329 VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_SURFACE_WITH_PITCH, &vmw_cmd_invalid,
3330 false, false, true),
3331 VMW_CMD_DEF(SVGA_3D_CMD_GB_MOB_FENCE, &vmw_cmd_invalid,
3332 false, false, true),
3333 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SURFACE_V2, &vmw_cmd_invalid,
3334 false, false, true),
3339 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_CONTEXT, &vmw_cmd_invalid,
3340 false, false, true),
3341 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_CONTEXT, &vmw_cmd_invalid,
3342 false, false, true),
3343 VMW_CMD_DEF(SVGA_3D_CMD_DX_BIND_CONTEXT, &vmw_cmd_invalid,
3344 false, false, true),
3345 VMW_CMD_DEF(SVGA_3D_CMD_DX_READBACK_CONTEXT, &vmw_cmd_invalid,
3346 false, false, true),
3347 VMW_CMD_DEF(SVGA_3D_CMD_DX_INVALIDATE_CONTEXT, &vmw_cmd_invalid,
3348 false, false, true),
3349 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SINGLE_CONSTANT_BUFFER,
3350 &vmw_cmd_dx_set_single_constant_buffer, true, false, true),
3351 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SHADER_RESOURCES,
3352 &vmw_cmd_dx_set_shader_res, true, false, true),
3353 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SHADER, &vmw_cmd_dx_set_shader,
3355 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SAMPLERS, &vmw_cmd_dx_cid_check,
3357 VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW, &vmw_cmd_dx_cid_check,
3359 VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW_INDEXED, &vmw_cmd_dx_cid_check,
3361 VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW_INSTANCED, &vmw_cmd_dx_cid_check,
3363 VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW_INDEXED_INSTANCED,
3364 &vmw_cmd_dx_cid_check, true, false, true),
3365 VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW_AUTO, &vmw_cmd_dx_cid_check,
3367 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_VERTEX_BUFFERS,
3368 &vmw_cmd_dx_set_vertex_buffers, true, false, true),
3369 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_INDEX_BUFFER,
3370 &vmw_cmd_dx_set_index_buffer, true, false, true),
3371 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_RENDERTARGETS,
3372 &vmw_cmd_dx_set_rendertargets, true, false, true),
3373 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_BLEND_STATE, &vmw_cmd_dx_cid_check,
3375 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_DEPTHSTENCIL_STATE,
3376 &vmw_cmd_dx_cid_check, true, false, true),
3377 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_RASTERIZER_STATE,
3378 &vmw_cmd_dx_cid_check, true, false, true),
3379 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_QUERY, &vmw_cmd_dx_define_query,
3381 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_QUERY, &vmw_cmd_dx_cid_check,
3383 VMW_CMD_DEF(SVGA_3D_CMD_DX_BIND_QUERY, &vmw_cmd_dx_bind_query,
3385 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_QUERY_OFFSET,
3386 &vmw_cmd_dx_cid_check, true, false, true),
3387 VMW_CMD_DEF(SVGA_3D_CMD_DX_BEGIN_QUERY, &vmw_cmd_dx_cid_check,
3389 VMW_CMD_DEF(SVGA_3D_CMD_DX_END_QUERY, &vmw_cmd_dx_cid_check,
3391 VMW_CMD_DEF(SVGA_3D_CMD_DX_READBACK_QUERY, &vmw_cmd_invalid,
3393 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_PREDICATION, &vmw_cmd_dx_cid_check,
3395 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_VIEWPORTS, &vmw_cmd_dx_cid_check,
3397 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SCISSORRECTS, &vmw_cmd_dx_cid_check,
3399 VMW_CMD_DEF(SVGA_3D_CMD_DX_CLEAR_RENDERTARGET_VIEW,
3400 &vmw_cmd_dx_clear_rendertarget_view, true, false, true),
3401 VMW_CMD_DEF(SVGA_3D_CMD_DX_CLEAR_DEPTHSTENCIL_VIEW,
3402 &vmw_cmd_dx_clear_depthstencil_view, true, false, true),
3403 VMW_CMD_DEF(SVGA_3D_CMD_DX_PRED_COPY, &vmw_cmd_invalid,
3405 VMW_CMD_DEF(SVGA_3D_CMD_DX_GENMIPS, &vmw_cmd_dx_genmips,
3407 VMW_CMD_DEF(SVGA_3D_CMD_DX_UPDATE_SUBRESOURCE,
3408 &vmw_cmd_dx_check_subresource, true, false, true),
3409 VMW_CMD_DEF(SVGA_3D_CMD_DX_READBACK_SUBRESOURCE,
3410 &vmw_cmd_dx_check_subresource, true, false, true),
3411 VMW_CMD_DEF(SVGA_3D_CMD_DX_INVALIDATE_SUBRESOURCE,
3412 &vmw_cmd_dx_check_subresource, true, false, true),
3413 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_SHADERRESOURCE_VIEW,
3414 &vmw_cmd_dx_view_define, true, false, true),
3415 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_SHADERRESOURCE_VIEW,
3416 &vmw_cmd_dx_view_remove, true, false, true),
3417 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_RENDERTARGET_VIEW,
3418 &vmw_cmd_dx_view_define, true, false, true),
3419 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_RENDERTARGET_VIEW,
3420 &vmw_cmd_dx_view_remove, true, false, true),
3421 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_DEPTHSTENCIL_VIEW,
3422 &vmw_cmd_dx_view_define, true, false, true),
3423 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_DEPTHSTENCIL_VIEW,
3424 &vmw_cmd_dx_view_remove, true, false, true),
3425 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_ELEMENTLAYOUT,
3426 &vmw_cmd_dx_so_define, true, false, true),
3427 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_ELEMENTLAYOUT,
3428 &vmw_cmd_dx_cid_check, true, false, true),
3429 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_BLEND_STATE,
3430 &vmw_cmd_dx_so_define, true, false, true),
3431 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_BLEND_STATE,
3432 &vmw_cmd_dx_cid_check, true, false, true),
3433 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_DEPTHSTENCIL_STATE,
3434 &vmw_cmd_dx_so_define, true, false, true),
3435 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_DEPTHSTENCIL_STATE,
3436 &vmw_cmd_dx_cid_check, true, false, true),
3437 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_RASTERIZER_STATE,
3438 &vmw_cmd_dx_so_define, true, false, true),
3439 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_RASTERIZER_STATE,
3440 &vmw_cmd_dx_cid_check, true, false, true),
3441 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_SAMPLER_STATE,
3442 &vmw_cmd_dx_so_define, true, false, true),
3443 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_SAMPLER_STATE,
3444 &vmw_cmd_dx_cid_check, true, false, true),
3445 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_SHADER,
3446 &vmw_cmd_dx_define_shader, true, false, true),
3447 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_SHADER,
3448 &vmw_cmd_dx_destroy_shader, true, false, true),
3449 VMW_CMD_DEF(SVGA_3D_CMD_DX_BIND_SHADER,
3450 &vmw_cmd_dx_bind_shader, true, false, true),
3451 VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_STREAMOUTPUT,
3452 &vmw_cmd_dx_so_define, true, false, true),
3453 VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_STREAMOUTPUT,
3454 &vmw_cmd_dx_cid_check, true, false, true),
3455 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_STREAMOUTPUT, &vmw_cmd_dx_cid_check,
3457 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_SOTARGETS,
3458 &vmw_cmd_dx_set_so_targets, true, false, true),
3459 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_INPUT_LAYOUT,
3460 &vmw_cmd_dx_cid_check, true, false, true),
3461 VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_TOPOLOGY,
3462 &vmw_cmd_dx_cid_check, true, false, true),
3463 VMW_CMD_DEF(SVGA_3D_CMD_DX_BUFFER_COPY,
3464 &vmw_cmd_buffer_copy_check, true, false, true),
3465 VMW_CMD_DEF(SVGA_3D_CMD_DX_PRED_COPY_REGION,
3466 &vmw_cmd_pred_copy_check, true, false, true),
3467 VMW_CMD_DEF(SVGA_3D_CMD_DX_TRANSFER_FROM_BUFFER,
3468 &vmw_cmd_dx_transfer_from_buffer,
3472 static int vmw_cmd_check(struct vmw_private *dev_priv,
3473 struct vmw_sw_context *sw_context,
3474 void *buf, uint32_t *size)
3477 uint32_t size_remaining = *size;
3478 SVGA3dCmdHeader *header = (SVGA3dCmdHeader *) buf;
3480 const struct vmw_cmd_entry *entry;
3481 bool gb = dev_priv->capabilities & SVGA_CAP_GBOBJECTS;
3483 cmd_id = ((uint32_t *)buf)[0];
3484 /* Handle any none 3D commands */
3485 if (unlikely(cmd_id < SVGA_CMD_MAX))
3486 return vmw_cmd_check_not_3d(dev_priv, sw_context, buf, size);
3489 cmd_id = header->id;
3490 *size = header->size + sizeof(SVGA3dCmdHeader);
3492 cmd_id -= SVGA_3D_CMD_BASE;
3493 if (unlikely(*size > size_remaining))
3496 if (unlikely(cmd_id >= SVGA_3D_CMD_MAX - SVGA_3D_CMD_BASE))
3499 entry = &vmw_cmd_entries[cmd_id];
3500 if (unlikely(!entry->func))
3503 if (unlikely(!entry->user_allow && !sw_context->kernel))
3504 goto out_privileged;
3506 if (unlikely(entry->gb_disable && gb))
3509 if (unlikely(entry->gb_enable && !gb))
3512 ret = entry->func(dev_priv, sw_context, header);
3513 if (unlikely(ret != 0))
3518 DRM_ERROR("Invalid SVGA3D command: %d\n",
3519 cmd_id + SVGA_3D_CMD_BASE);
3522 DRM_ERROR("Privileged SVGA3D command: %d\n",
3523 cmd_id + SVGA_3D_CMD_BASE);
3526 DRM_ERROR("Deprecated (disallowed) SVGA3D command: %d\n",
3527 cmd_id + SVGA_3D_CMD_BASE);
3530 DRM_ERROR("SVGA3D command: %d not supported by virtual hardware.\n",
3531 cmd_id + SVGA_3D_CMD_BASE);
3535 static int vmw_cmd_check_all(struct vmw_private *dev_priv,
3536 struct vmw_sw_context *sw_context,
3540 int32_t cur_size = size;
3543 sw_context->buf_start = buf;
3545 while (cur_size > 0) {
3547 ret = vmw_cmd_check(dev_priv, sw_context, buf, &size);
3548 if (unlikely(ret != 0))
3550 buf = (void *)((unsigned long) buf + size);
3554 if (unlikely(cur_size != 0)) {
3555 DRM_ERROR("Command verifier out of sync.\n");
3562 static void vmw_free_relocations(struct vmw_sw_context *sw_context)
3564 sw_context->cur_reloc = 0;
3567 static void vmw_apply_relocations(struct vmw_sw_context *sw_context)
3570 struct vmw_relocation *reloc;
3571 struct ttm_validate_buffer *validate;
3572 struct ttm_buffer_object *bo;
3574 for (i = 0; i < sw_context->cur_reloc; ++i) {
3575 reloc = &sw_context->relocs[i];
3576 validate = &sw_context->val_bufs[reloc->index].base;
3578 switch (bo->mem.mem_type) {
3580 reloc->location->offset += bo->offset;
3581 reloc->location->gmrId = SVGA_GMR_FRAMEBUFFER;
3584 reloc->location->gmrId = bo->mem.start;
3587 *reloc->mob_loc = bo->mem.start;
3593 vmw_free_relocations(sw_context);
3597 * vmw_resource_list_unrefererence - Free up a resource list and unreference
3598 * all resources referenced by it.
3600 * @list: The resource list.
3602 static void vmw_resource_list_unreference(struct vmw_sw_context *sw_context,
3603 struct list_head *list)
3605 struct vmw_resource_val_node *val, *val_next;
3608 * Drop references to resources held during command submission.
3611 list_for_each_entry_safe(val, val_next, list, head) {
3612 list_del_init(&val->head);
3613 vmw_resource_unreference(&val->res);
3615 if (val->staged_bindings) {
3616 if (val->staged_bindings != sw_context->staged_bindings)
3617 vmw_binding_state_free(val->staged_bindings);
3619 sw_context->staged_bindings_inuse = false;
3620 val->staged_bindings = NULL;
3627 static void vmw_clear_validations(struct vmw_sw_context *sw_context)
3629 struct vmw_validate_buffer *entry, *next;
3630 struct vmw_resource_val_node *val;
3633 * Drop references to DMA buffers held during command submission.
3635 list_for_each_entry_safe(entry, next, &sw_context->validate_nodes,
3637 list_del(&entry->base.head);
3638 ttm_bo_unref(&entry->base.bo);
3639 (void) drm_ht_remove_item(&sw_context->res_ht, &entry->hash);
3640 sw_context->cur_val_buf--;
3642 BUG_ON(sw_context->cur_val_buf != 0);
3644 list_for_each_entry(val, &sw_context->resource_list, head)
3645 (void) drm_ht_remove_item(&sw_context->res_ht, &val->hash);
3648 int vmw_validate_single_buffer(struct vmw_private *dev_priv,
3649 struct ttm_buffer_object *bo,
3651 bool validate_as_mob)
3653 struct vmw_dma_buffer *vbo = container_of(bo, struct vmw_dma_buffer,
3657 if (vbo->pin_count > 0)
3660 if (validate_as_mob)
3661 return ttm_bo_validate(bo, &vmw_mob_placement, interruptible,
3665 * Put BO in VRAM if there is space, otherwise as a GMR.
3666 * If there is no space in VRAM and GMR ids are all used up,
3667 * start evicting GMRs to make room. If the DMA buffer can't be
3668 * used as a GMR, this will return -ENOMEM.
3671 ret = ttm_bo_validate(bo, &vmw_vram_gmr_placement, interruptible,
3673 if (likely(ret == 0 || ret == -ERESTARTSYS))
3677 * If that failed, try VRAM again, this time evicting
3678 * previous contents.
3681 ret = ttm_bo_validate(bo, &vmw_vram_placement, interruptible, false);
3685 static int vmw_validate_buffers(struct vmw_private *dev_priv,
3686 struct vmw_sw_context *sw_context)
3688 struct vmw_validate_buffer *entry;
3691 list_for_each_entry(entry, &sw_context->validate_nodes, base.head) {
3692 ret = vmw_validate_single_buffer(dev_priv, entry->base.bo,
3694 entry->validate_as_mob);
3695 if (unlikely(ret != 0))
3701 static int vmw_resize_cmd_bounce(struct vmw_sw_context *sw_context,
3704 if (likely(sw_context->cmd_bounce_size >= size))
3707 if (sw_context->cmd_bounce_size == 0)
3708 sw_context->cmd_bounce_size = VMWGFX_CMD_BOUNCE_INIT_SIZE;
3710 while (sw_context->cmd_bounce_size < size) {
3711 sw_context->cmd_bounce_size =
3712 PAGE_ALIGN(sw_context->cmd_bounce_size +
3713 (sw_context->cmd_bounce_size >> 1));
3716 vfree(sw_context->cmd_bounce);
3717 sw_context->cmd_bounce = vmalloc(sw_context->cmd_bounce_size);
3719 if (sw_context->cmd_bounce == NULL) {
3720 DRM_ERROR("Failed to allocate command bounce buffer.\n");
3721 sw_context->cmd_bounce_size = 0;
3729 * vmw_execbuf_fence_commands - create and submit a command stream fence
3731 * Creates a fence object and submits a command stream marker.
3732 * If this fails for some reason, We sync the fifo and return NULL.
3733 * It is then safe to fence buffers with a NULL pointer.
3735 * If @p_handle is not NULL @file_priv must also not be NULL. Creates
3736 * a userspace handle if @p_handle is not NULL, otherwise not.
3739 int vmw_execbuf_fence_commands(struct drm_file *file_priv,
3740 struct vmw_private *dev_priv,
3741 struct vmw_fence_obj **p_fence,
3746 bool synced = false;
3748 /* p_handle implies file_priv. */
3749 BUG_ON(p_handle != NULL && file_priv == NULL);
3751 ret = vmw_fifo_send_fence(dev_priv, &sequence);
3752 if (unlikely(ret != 0)) {
3753 DRM_ERROR("Fence submission error. Syncing.\n");
3757 if (p_handle != NULL)
3758 ret = vmw_user_fence_create(file_priv, dev_priv->fman,
3759 sequence, p_fence, p_handle);
3761 ret = vmw_fence_create(dev_priv->fman, sequence, p_fence);
3763 if (unlikely(ret != 0 && !synced)) {
3764 (void) vmw_fallback_wait(dev_priv, false, false,
3766 VMW_FENCE_WAIT_TIMEOUT);
3774 * vmw_execbuf_copy_fence_user - copy fence object information to
3777 * @dev_priv: Pointer to a vmw_private struct.
3778 * @vmw_fp: Pointer to the struct vmw_fpriv representing the calling file.
3779 * @ret: Return value from fence object creation.
3780 * @user_fence_rep: User space address of a struct drm_vmw_fence_rep to
3781 * which the information should be copied.
3782 * @fence: Pointer to the fenc object.
3783 * @fence_handle: User-space fence handle.
3785 * This function copies fence information to user-space. If copying fails,
3786 * The user-space struct drm_vmw_fence_rep::error member is hopefully
3787 * left untouched, and if it's preloaded with an -EFAULT by user-space,
3788 * the error will hopefully be detected.
3789 * Also if copying fails, user-space will be unable to signal the fence
3790 * object so we wait for it immediately, and then unreference the
3791 * user-space reference.
3794 vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv,
3795 struct vmw_fpriv *vmw_fp,
3797 struct drm_vmw_fence_rep __user *user_fence_rep,
3798 struct vmw_fence_obj *fence,
3799 uint32_t fence_handle)
3801 struct drm_vmw_fence_rep fence_rep;
3803 if (user_fence_rep == NULL)
3806 memset(&fence_rep, 0, sizeof(fence_rep));
3808 fence_rep.error = ret;
3810 BUG_ON(fence == NULL);
3812 fence_rep.handle = fence_handle;
3813 fence_rep.seqno = fence->base.seqno;
3814 vmw_update_seqno(dev_priv, &dev_priv->fifo);
3815 fence_rep.passed_seqno = dev_priv->last_read_seqno;
3819 * copy_to_user errors will be detected by user space not
3820 * seeing fence_rep::error filled in. Typically
3821 * user-space would have pre-set that member to -EFAULT.
3823 ret = copy_to_user(user_fence_rep, &fence_rep,
3827 * User-space lost the fence object. We need to sync
3828 * and unreference the handle.
3830 if (unlikely(ret != 0) && (fence_rep.error == 0)) {
3831 ttm_ref_object_base_unref(vmw_fp->tfile,
3832 fence_handle, TTM_REF_USAGE);
3833 DRM_ERROR("Fence copy error. Syncing.\n");
3834 (void) vmw_fence_obj_wait(fence, false, false,
3835 VMW_FENCE_WAIT_TIMEOUT);
3840 * vmw_execbuf_submit_fifo - Patch a command batch and submit it using
3843 * @dev_priv: Pointer to a device private structure.
3844 * @kernel_commands: Pointer to the unpatched command batch.
3845 * @command_size: Size of the unpatched command batch.
3846 * @sw_context: Structure holding the relocation lists.
3848 * Side effects: If this function returns 0, then the command batch
3849 * pointed to by @kernel_commands will have been modified.
3851 static int vmw_execbuf_submit_fifo(struct vmw_private *dev_priv,
3852 void *kernel_commands,
3854 struct vmw_sw_context *sw_context)
3858 if (sw_context->dx_ctx_node)
3859 cmd = vmw_fifo_reserve_dx(dev_priv, command_size,
3860 sw_context->dx_ctx_node->res->id);
3862 cmd = vmw_fifo_reserve(dev_priv, command_size);
3864 DRM_ERROR("Failed reserving fifo space for commands.\n");
3868 vmw_apply_relocations(sw_context);
3869 memcpy(cmd, kernel_commands, command_size);
3870 vmw_resource_relocations_apply(cmd, &sw_context->res_relocations);
3871 vmw_resource_relocations_free(&sw_context->res_relocations);
3872 vmw_fifo_commit(dev_priv, command_size);
3878 * vmw_execbuf_submit_cmdbuf - Patch a command batch and submit it using
3879 * the command buffer manager.
3881 * @dev_priv: Pointer to a device private structure.
3882 * @header: Opaque handle to the command buffer allocation.
3883 * @command_size: Size of the unpatched command batch.
3884 * @sw_context: Structure holding the relocation lists.
3886 * Side effects: If this function returns 0, then the command buffer
3887 * represented by @header will have been modified.
3889 static int vmw_execbuf_submit_cmdbuf(struct vmw_private *dev_priv,
3890 struct vmw_cmdbuf_header *header,
3892 struct vmw_sw_context *sw_context)
3894 u32 id = ((sw_context->dx_ctx_node) ? sw_context->dx_ctx_node->res->id :
3896 void *cmd = vmw_cmdbuf_reserve(dev_priv->cman, command_size,
3899 vmw_apply_relocations(sw_context);
3900 vmw_resource_relocations_apply(cmd, &sw_context->res_relocations);
3901 vmw_resource_relocations_free(&sw_context->res_relocations);
3902 vmw_cmdbuf_commit(dev_priv->cman, command_size, header, false);
3908 * vmw_execbuf_cmdbuf - Prepare, if possible, a user-space command batch for
3909 * submission using a command buffer.
3911 * @dev_priv: Pointer to a device private structure.
3912 * @user_commands: User-space pointer to the commands to be submitted.
3913 * @command_size: Size of the unpatched command batch.
3914 * @header: Out parameter returning the opaque pointer to the command buffer.
3916 * This function checks whether we can use the command buffer manager for
3917 * submission and if so, creates a command buffer of suitable size and
3918 * copies the user data into that buffer.
3920 * On successful return, the function returns a pointer to the data in the
3921 * command buffer and *@header is set to non-NULL.
3922 * If command buffers could not be used, the function will return the value
3923 * of @kernel_commands on function call. That value may be NULL. In that case,
3924 * the value of *@header will be set to NULL.
3925 * If an error is encountered, the function will return a pointer error value.
3926 * If the function is interrupted by a signal while sleeping, it will return
3927 * -ERESTARTSYS casted to a pointer error value.
3929 static void *vmw_execbuf_cmdbuf(struct vmw_private *dev_priv,
3930 void __user *user_commands,
3931 void *kernel_commands,
3933 struct vmw_cmdbuf_header **header)
3939 if (command_size > SVGA_CB_MAX_SIZE) {
3940 DRM_ERROR("Command buffer is too large.\n");
3941 return ERR_PTR(-EINVAL);
3944 if (!dev_priv->cman || kernel_commands)
3945 return kernel_commands;
3947 /* If possible, add a little space for fencing. */
3948 cmdbuf_size = command_size + 512;
3949 cmdbuf_size = min_t(size_t, cmdbuf_size, SVGA_CB_MAX_SIZE);
3950 kernel_commands = vmw_cmdbuf_alloc(dev_priv->cman, cmdbuf_size,
3952 if (IS_ERR(kernel_commands))
3953 return kernel_commands;
3955 ret = copy_from_user(kernel_commands, user_commands,
3958 DRM_ERROR("Failed copying commands.\n");
3959 vmw_cmdbuf_header_free(*header);
3961 return ERR_PTR(-EFAULT);
3964 return kernel_commands;
3967 static int vmw_execbuf_tie_context(struct vmw_private *dev_priv,
3968 struct vmw_sw_context *sw_context,
3971 struct vmw_resource_val_node *ctx_node;
3972 struct vmw_resource *res;
3975 if (handle == SVGA3D_INVALID_ID)
3978 ret = vmw_user_resource_lookup_handle(dev_priv, sw_context->fp->tfile,
3979 handle, user_context_converter,
3981 if (unlikely(ret != 0)) {
3982 DRM_ERROR("Could not find or user DX context 0x%08x.\n",
3987 ret = vmw_resource_val_add(sw_context, res, &ctx_node);
3988 if (unlikely(ret != 0))
3991 sw_context->dx_ctx_node = ctx_node;
3992 sw_context->man = vmw_context_res_man(res);
3994 vmw_resource_unreference(&res);
3998 int vmw_execbuf_process(struct drm_file *file_priv,
3999 struct vmw_private *dev_priv,
4000 void __user *user_commands,
4001 void *kernel_commands,
4002 uint32_t command_size,
4003 uint64_t throttle_us,
4004 uint32_t dx_context_handle,
4005 struct drm_vmw_fence_rep __user *user_fence_rep,
4006 struct vmw_fence_obj **out_fence)
4008 struct vmw_sw_context *sw_context = &dev_priv->ctx;
4009 struct vmw_fence_obj *fence = NULL;
4010 struct vmw_resource *error_resource;
4011 struct list_head resource_list;
4012 struct vmw_cmdbuf_header *header;
4013 struct ww_acquire_ctx ticket;
4018 ret = vmw_wait_lag(dev_priv, &dev_priv->fifo.marker_queue,
4025 kernel_commands = vmw_execbuf_cmdbuf(dev_priv, user_commands,
4026 kernel_commands, command_size,
4028 if (IS_ERR(kernel_commands))
4029 return PTR_ERR(kernel_commands);
4031 ret = mutex_lock_interruptible(&dev_priv->cmdbuf_mutex);
4034 goto out_free_header;
4037 sw_context->kernel = false;
4038 if (kernel_commands == NULL) {
4039 ret = vmw_resize_cmd_bounce(sw_context, command_size);
4040 if (unlikely(ret != 0))
4044 ret = copy_from_user(sw_context->cmd_bounce,
4045 user_commands, command_size);
4047 if (unlikely(ret != 0)) {
4049 DRM_ERROR("Failed copying commands.\n");
4052 kernel_commands = sw_context->cmd_bounce;
4054 sw_context->kernel = true;
4056 sw_context->fp = vmw_fpriv(file_priv);
4057 sw_context->cur_reloc = 0;
4058 sw_context->cur_val_buf = 0;
4059 INIT_LIST_HEAD(&sw_context->resource_list);
4060 INIT_LIST_HEAD(&sw_context->ctx_resource_list);
4061 sw_context->cur_query_bo = dev_priv->pinned_bo;
4062 sw_context->last_query_ctx = NULL;
4063 sw_context->needs_post_query_barrier = false;
4064 sw_context->dx_ctx_node = NULL;
4065 sw_context->dx_query_mob = NULL;
4066 sw_context->dx_query_ctx = NULL;
4067 memset(sw_context->res_cache, 0, sizeof(sw_context->res_cache));
4068 INIT_LIST_HEAD(&sw_context->validate_nodes);
4069 INIT_LIST_HEAD(&sw_context->res_relocations);
4070 if (sw_context->staged_bindings)
4071 vmw_binding_state_reset(sw_context->staged_bindings);
4073 if (!sw_context->res_ht_initialized) {
4074 ret = drm_ht_create(&sw_context->res_ht, VMW_RES_HT_ORDER);
4075 if (unlikely(ret != 0))
4077 sw_context->res_ht_initialized = true;
4079 INIT_LIST_HEAD(&sw_context->staged_cmd_res);
4080 INIT_LIST_HEAD(&resource_list);
4081 ret = vmw_execbuf_tie_context(dev_priv, sw_context, dx_context_handle);
4082 if (unlikely(ret != 0)) {
4083 list_splice_init(&sw_context->ctx_resource_list,
4084 &sw_context->resource_list);
4088 ret = vmw_cmd_check_all(dev_priv, sw_context, kernel_commands,
4091 * Merge the resource lists before checking the return status
4092 * from vmd_cmd_check_all so that all the open hashtabs will
4093 * be handled properly even if vmw_cmd_check_all fails.
4095 list_splice_init(&sw_context->ctx_resource_list,
4096 &sw_context->resource_list);
4098 if (unlikely(ret != 0))
4101 ret = vmw_resources_reserve(sw_context);
4102 if (unlikely(ret != 0))
4105 ret = ttm_eu_reserve_buffers(&ticket, &sw_context->validate_nodes,
4107 if (unlikely(ret != 0))
4110 ret = vmw_validate_buffers(dev_priv, sw_context);
4111 if (unlikely(ret != 0))
4114 ret = vmw_resources_validate(sw_context);
4115 if (unlikely(ret != 0))
4118 ret = mutex_lock_interruptible(&dev_priv->binding_mutex);
4119 if (unlikely(ret != 0)) {
4124 if (dev_priv->has_mob) {
4125 ret = vmw_rebind_contexts(sw_context);
4126 if (unlikely(ret != 0))
4127 goto out_unlock_binding;
4131 ret = vmw_execbuf_submit_fifo(dev_priv, kernel_commands,
4132 command_size, sw_context);
4134 ret = vmw_execbuf_submit_cmdbuf(dev_priv, header, command_size,
4138 mutex_unlock(&dev_priv->binding_mutex);
4142 vmw_query_bo_switch_commit(dev_priv, sw_context);
4143 ret = vmw_execbuf_fence_commands(file_priv, dev_priv,
4145 (user_fence_rep) ? &handle : NULL);
4147 * This error is harmless, because if fence submission fails,
4148 * vmw_fifo_send_fence will sync. The error will be propagated to
4149 * user-space in @fence_rep
4153 DRM_ERROR("Fence submission error. Syncing.\n");
4155 vmw_resources_unreserve(sw_context, false);
4157 ttm_eu_fence_buffer_objects(&ticket, &sw_context->validate_nodes,
4160 if (unlikely(dev_priv->pinned_bo != NULL &&
4161 !dev_priv->query_cid_valid))
4162 __vmw_execbuf_release_pinned_bo(dev_priv, fence);
4164 vmw_clear_validations(sw_context);
4165 vmw_execbuf_copy_fence_user(dev_priv, vmw_fpriv(file_priv), ret,
4166 user_fence_rep, fence, handle);
4168 /* Don't unreference when handing fence out */
4169 if (unlikely(out_fence != NULL)) {
4172 } else if (likely(fence != NULL)) {
4173 vmw_fence_obj_unreference(&fence);
4176 list_splice_init(&sw_context->resource_list, &resource_list);
4177 vmw_cmdbuf_res_commit(&sw_context->staged_cmd_res);
4178 mutex_unlock(&dev_priv->cmdbuf_mutex);
4181 * Unreference resources outside of the cmdbuf_mutex to
4182 * avoid deadlocks in resource destruction paths.
4184 vmw_resource_list_unreference(sw_context, &resource_list);
4189 mutex_unlock(&dev_priv->binding_mutex);
4191 ttm_eu_backoff_reservation(&ticket, &sw_context->validate_nodes);
4193 vmw_resources_unreserve(sw_context, true);
4194 vmw_resource_relocations_free(&sw_context->res_relocations);
4195 vmw_free_relocations(sw_context);
4196 vmw_clear_validations(sw_context);
4197 if (unlikely(dev_priv->pinned_bo != NULL &&
4198 !dev_priv->query_cid_valid))
4199 __vmw_execbuf_release_pinned_bo(dev_priv, NULL);
4201 list_splice_init(&sw_context->resource_list, &resource_list);
4202 error_resource = sw_context->error_resource;
4203 sw_context->error_resource = NULL;
4204 vmw_cmdbuf_res_revert(&sw_context->staged_cmd_res);
4205 mutex_unlock(&dev_priv->cmdbuf_mutex);
4208 * Unreference resources outside of the cmdbuf_mutex to
4209 * avoid deadlocks in resource destruction paths.
4211 vmw_resource_list_unreference(sw_context, &resource_list);
4212 if (unlikely(error_resource != NULL))
4213 vmw_resource_unreference(&error_resource);
4216 vmw_cmdbuf_header_free(header);
4222 * vmw_execbuf_unpin_panic - Idle the fifo and unpin the query buffer.
4224 * @dev_priv: The device private structure.
4226 * This function is called to idle the fifo and unpin the query buffer
4227 * if the normal way to do this hits an error, which should typically be
4230 static void vmw_execbuf_unpin_panic(struct vmw_private *dev_priv)
4232 DRM_ERROR("Can't unpin query buffer. Trying to recover.\n");
4234 (void) vmw_fallback_wait(dev_priv, false, true, 0, false, 10*HZ);
4235 vmw_bo_pin_reserved(dev_priv->pinned_bo, false);
4236 if (dev_priv->dummy_query_bo_pinned) {
4237 vmw_bo_pin_reserved(dev_priv->dummy_query_bo, false);
4238 dev_priv->dummy_query_bo_pinned = false;
4244 * __vmw_execbuf_release_pinned_bo - Flush queries and unpin the pinned
4247 * @dev_priv: The device private structure.
4248 * @fence: If non-NULL should point to a struct vmw_fence_obj issued
4249 * _after_ a query barrier that flushes all queries touching the current
4250 * buffer pointed to by @dev_priv->pinned_bo
4252 * This function should be used to unpin the pinned query bo, or
4253 * as a query barrier when we need to make sure that all queries have
4254 * finished before the next fifo command. (For example on hardware
4255 * context destructions where the hardware may otherwise leak unfinished
4258 * This function does not return any failure codes, but make attempts
4259 * to do safe unpinning in case of errors.
4261 * The function will synchronize on the previous query barrier, and will
4262 * thus not finish until that barrier has executed.
4264 * the @dev_priv->cmdbuf_mutex needs to be held by the current thread
4265 * before calling this function.
4267 void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv,
4268 struct vmw_fence_obj *fence)
4271 struct list_head validate_list;
4272 struct ttm_validate_buffer pinned_val, query_val;
4273 struct vmw_fence_obj *lfence = NULL;
4274 struct ww_acquire_ctx ticket;
4276 if (dev_priv->pinned_bo == NULL)
4279 INIT_LIST_HEAD(&validate_list);
4281 pinned_val.bo = ttm_bo_reference(&dev_priv->pinned_bo->base);
4282 pinned_val.shared = false;
4283 list_add_tail(&pinned_val.head, &validate_list);
4285 query_val.bo = ttm_bo_reference(&dev_priv->dummy_query_bo->base);
4286 query_val.shared = false;
4287 list_add_tail(&query_val.head, &validate_list);
4289 ret = ttm_eu_reserve_buffers(&ticket, &validate_list,
4291 if (unlikely(ret != 0)) {
4292 vmw_execbuf_unpin_panic(dev_priv);
4293 goto out_no_reserve;
4296 if (dev_priv->query_cid_valid) {
4297 BUG_ON(fence != NULL);
4298 ret = vmw_fifo_emit_dummy_query(dev_priv, dev_priv->query_cid);
4299 if (unlikely(ret != 0)) {
4300 vmw_execbuf_unpin_panic(dev_priv);
4303 dev_priv->query_cid_valid = false;
4306 vmw_bo_pin_reserved(dev_priv->pinned_bo, false);
4307 if (dev_priv->dummy_query_bo_pinned) {
4308 vmw_bo_pin_reserved(dev_priv->dummy_query_bo, false);
4309 dev_priv->dummy_query_bo_pinned = false;
4311 if (fence == NULL) {
4312 (void) vmw_execbuf_fence_commands(NULL, dev_priv, &lfence,
4316 ttm_eu_fence_buffer_objects(&ticket, &validate_list, (void *) fence);
4318 vmw_fence_obj_unreference(&lfence);
4320 ttm_bo_unref(&query_val.bo);
4321 ttm_bo_unref(&pinned_val.bo);
4322 vmw_dmabuf_unreference(&dev_priv->pinned_bo);
4327 ttm_eu_backoff_reservation(&ticket, &validate_list);
4329 ttm_bo_unref(&query_val.bo);
4330 ttm_bo_unref(&pinned_val.bo);
4331 vmw_dmabuf_unreference(&dev_priv->pinned_bo);
4335 * vmw_execbuf_release_pinned_bo - Flush queries and unpin the pinned
4338 * @dev_priv: The device private structure.
4340 * This function should be used to unpin the pinned query bo, or
4341 * as a query barrier when we need to make sure that all queries have
4342 * finished before the next fifo command. (For example on hardware
4343 * context destructions where the hardware may otherwise leak unfinished
4346 * This function does not return any failure codes, but make attempts
4347 * to do safe unpinning in case of errors.
4349 * The function will synchronize on the previous query barrier, and will
4350 * thus not finish until that barrier has executed.
4352 void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv)
4354 mutex_lock(&dev_priv->cmdbuf_mutex);
4355 if (dev_priv->query_cid_valid)
4356 __vmw_execbuf_release_pinned_bo(dev_priv, NULL);
4357 mutex_unlock(&dev_priv->cmdbuf_mutex);
4360 int vmw_execbuf_ioctl(struct drm_device *dev, unsigned long data,
4361 struct drm_file *file_priv, size_t size)
4363 struct vmw_private *dev_priv = vmw_priv(dev);
4364 struct drm_vmw_execbuf_arg arg;
4366 static const size_t copy_offset[] = {
4367 offsetof(struct drm_vmw_execbuf_arg, context_handle),
4368 sizeof(struct drm_vmw_execbuf_arg)};
4370 if (unlikely(size < copy_offset[0])) {
4371 DRM_ERROR("Invalid command size, ioctl %d\n",
4376 if (copy_from_user(&arg, (void __user *) data, copy_offset[0]) != 0)
4380 * Extend the ioctl argument while
4381 * maintaining backwards compatibility:
4382 * We take different code paths depending on the value of
4386 if (unlikely(arg.version > DRM_VMW_EXECBUF_VERSION ||
4387 arg.version == 0)) {
4388 DRM_ERROR("Incorrect execbuf version.\n");
4392 if (arg.version > 1 &&
4393 copy_from_user(&arg.context_handle,
4394 (void __user *) (data + copy_offset[0]),
4395 copy_offset[arg.version - 1] -
4396 copy_offset[0]) != 0)
4399 switch (arg.version) {
4401 arg.context_handle = (uint32_t) -1;
4404 if (arg.pad64 != 0) {
4405 DRM_ERROR("Unused IOCTL data not set to zero.\n");
4413 ret = ttm_read_lock(&dev_priv->reservation_sem, true);
4414 if (unlikely(ret != 0))
4417 ret = vmw_execbuf_process(file_priv, dev_priv,
4418 (void __user *)(unsigned long)arg.commands,
4419 NULL, arg.command_size, arg.throttle_us,
4421 (void __user *)(unsigned long)arg.fence_rep,
4423 ttm_read_unlock(&dev_priv->reservation_sem);
4424 if (unlikely(ret != 0))
4427 vmw_kms_cursor_post_execbuf(dev_priv);