1 /**************************************************************************
3 * Copyright © 2009 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>
33 #define VMW_RES_HT_ORDER 12
36 * struct vmw_resource_relocation - Relocation info for resources
38 * @head: List head for the software context's relocation list.
39 * @res: Non-ref-counted pointer to the resource.
40 * @offset: Offset of 4 byte entries into the command buffer where the
41 * id that needs fixup is located.
43 struct vmw_resource_relocation
{
44 struct list_head head
;
45 const struct vmw_resource
*res
;
50 * struct vmw_resource_val_node - Validation info for resources
52 * @head: List head for the software context's resource list.
53 * @hash: Hash entry for quick resouce to val_node lookup.
54 * @res: Ref-counted pointer to the resource.
55 * @switch_backup: Boolean whether to switch backup buffer on unreserve.
56 * @new_backup: Refcounted pointer to the new backup buffer.
57 * @staged_bindings: If @res is a context, tracks bindings set up during
58 * the command batch. Otherwise NULL.
59 * @new_backup_offset: New backup buffer offset if @new_backup is non-NUll.
60 * @first_usage: Set to true the first time the resource is referenced in
62 * @no_buffer_needed: Resources do not need to allocate buffer backup on
63 * reservation. The command stream will provide one.
65 struct vmw_resource_val_node
{
66 struct list_head head
;
67 struct drm_hash_item hash
;
68 struct vmw_resource
*res
;
69 struct vmw_dma_buffer
*new_backup
;
70 struct vmw_ctx_binding_state
*staged_bindings
;
71 unsigned long new_backup_offset
;
73 bool no_buffer_needed
;
77 * struct vmw_cmd_entry - Describe a command for the verifier
79 * @user_allow: Whether allowed from the execbuf ioctl.
80 * @gb_disable: Whether disabled if guest-backed objects are available.
81 * @gb_enable: Whether enabled iff guest-backed objects are available.
83 struct vmw_cmd_entry
{
84 int (*func
) (struct vmw_private
*, struct vmw_sw_context
*,
91 #define VMW_CMD_DEF(_cmd, _func, _user_allow, _gb_disable, _gb_enable) \
92 [(_cmd) - SVGA_3D_CMD_BASE] = {(_func), (_user_allow),\
93 (_gb_disable), (_gb_enable)}
96 * vmw_resource_unreserve - unreserve resources previously reserved for
99 * @list_head: list of resources to unreserve.
100 * @backoff: Whether command submission failed.
102 static void vmw_resource_list_unreserve(struct list_head
*list
,
105 struct vmw_resource_val_node
*val
;
107 list_for_each_entry(val
, list
, head
) {
108 struct vmw_resource
*res
= val
->res
;
109 struct vmw_dma_buffer
*new_backup
=
110 backoff
? NULL
: val
->new_backup
;
113 * Transfer staged context bindings to the
114 * persistent context binding tracker.
116 if (unlikely(val
->staged_bindings
)) {
118 vmw_context_binding_state_transfer
119 (val
->res
, val
->staged_bindings
);
121 kfree(val
->staged_bindings
);
122 val
->staged_bindings
= NULL
;
124 vmw_resource_unreserve(res
, new_backup
,
125 val
->new_backup_offset
);
126 vmw_dmabuf_unreference(&val
->new_backup
);
132 * vmw_resource_val_add - Add a resource to the software context's
133 * resource list if it's not already on it.
135 * @sw_context: Pointer to the software context.
136 * @res: Pointer to the resource.
137 * @p_node On successful return points to a valid pointer to a
138 * struct vmw_resource_val_node, if non-NULL on entry.
140 static int vmw_resource_val_add(struct vmw_sw_context
*sw_context
,
141 struct vmw_resource
*res
,
142 struct vmw_resource_val_node
**p_node
)
144 struct vmw_resource_val_node
*node
;
145 struct drm_hash_item
*hash
;
148 if (likely(drm_ht_find_item(&sw_context
->res_ht
, (unsigned long) res
,
150 node
= container_of(hash
, struct vmw_resource_val_node
, hash
);
151 node
->first_usage
= false;
152 if (unlikely(p_node
!= NULL
))
157 node
= kzalloc(sizeof(*node
), GFP_KERNEL
);
158 if (unlikely(node
== NULL
)) {
159 DRM_ERROR("Failed to allocate a resource validation "
164 node
->hash
.key
= (unsigned long) res
;
165 ret
= drm_ht_insert_item(&sw_context
->res_ht
, &node
->hash
);
166 if (unlikely(ret
!= 0)) {
167 DRM_ERROR("Failed to initialize a resource validation "
172 list_add_tail(&node
->head
, &sw_context
->resource_list
);
173 node
->res
= vmw_resource_reference(res
);
174 node
->first_usage
= true;
176 if (unlikely(p_node
!= NULL
))
183 * vmw_resource_context_res_add - Put resources previously bound to a context on
184 * the validation list
186 * @dev_priv: Pointer to a device private structure
187 * @sw_context: Pointer to a software context used for this command submission
188 * @ctx: Pointer to the context resource
190 * This function puts all resources that were previously bound to @ctx on
191 * the resource validation list. This is part of the context state reemission
193 static int vmw_resource_context_res_add(struct vmw_private
*dev_priv
,
194 struct vmw_sw_context
*sw_context
,
195 struct vmw_resource
*ctx
)
197 struct list_head
*binding_list
;
198 struct vmw_ctx_binding
*entry
;
200 struct vmw_resource
*res
;
202 mutex_lock(&dev_priv
->binding_mutex
);
203 binding_list
= vmw_context_binding_list(ctx
);
205 list_for_each_entry(entry
, binding_list
, ctx_list
) {
206 res
= vmw_resource_reference_unless_doomed(entry
->bi
.res
);
207 if (unlikely(res
== NULL
))
210 ret
= vmw_resource_val_add(sw_context
, entry
->bi
.res
, NULL
);
211 vmw_resource_unreference(&res
);
212 if (unlikely(ret
!= 0))
216 mutex_unlock(&dev_priv
->binding_mutex
);
221 * vmw_resource_relocation_add - Add a relocation to the relocation list
223 * @list: Pointer to head of relocation list.
224 * @res: The resource.
225 * @offset: Offset into the command buffer currently being parsed where the
226 * id that needs fixup is located. Granularity is 4 bytes.
228 static int vmw_resource_relocation_add(struct list_head
*list
,
229 const struct vmw_resource
*res
,
230 unsigned long offset
)
232 struct vmw_resource_relocation
*rel
;
234 rel
= kmalloc(sizeof(*rel
), GFP_KERNEL
);
235 if (unlikely(rel
== NULL
)) {
236 DRM_ERROR("Failed to allocate a resource relocation.\n");
241 rel
->offset
= offset
;
242 list_add_tail(&rel
->head
, list
);
248 * vmw_resource_relocations_free - Free all relocations on a list
250 * @list: Pointer to the head of the relocation list.
252 static void vmw_resource_relocations_free(struct list_head
*list
)
254 struct vmw_resource_relocation
*rel
, *n
;
256 list_for_each_entry_safe(rel
, n
, list
, head
) {
257 list_del(&rel
->head
);
263 * vmw_resource_relocations_apply - Apply all relocations on a list
265 * @cb: Pointer to the start of the command buffer bein patch. This need
266 * not be the same buffer as the one being parsed when the relocation
267 * list was built, but the contents must be the same modulo the
269 * @list: Pointer to the head of the relocation list.
271 static void vmw_resource_relocations_apply(uint32_t *cb
,
272 struct list_head
*list
)
274 struct vmw_resource_relocation
*rel
;
276 list_for_each_entry(rel
, list
, head
) {
277 if (likely(rel
->res
!= NULL
))
278 cb
[rel
->offset
] = rel
->res
->id
;
280 cb
[rel
->offset
] = SVGA_3D_CMD_NOP
;
284 static int vmw_cmd_invalid(struct vmw_private
*dev_priv
,
285 struct vmw_sw_context
*sw_context
,
286 SVGA3dCmdHeader
*header
)
288 return capable(CAP_SYS_ADMIN
) ? : -EINVAL
;
291 static int vmw_cmd_ok(struct vmw_private
*dev_priv
,
292 struct vmw_sw_context
*sw_context
,
293 SVGA3dCmdHeader
*header
)
299 * vmw_bo_to_validate_list - add a bo to a validate list
301 * @sw_context: The software context used for this command submission batch.
302 * @bo: The buffer object to add.
303 * @validate_as_mob: Validate this buffer as a MOB.
304 * @p_val_node: If non-NULL Will be updated with the validate node number
307 * Returns -EINVAL if the limit of number of buffer objects per command
308 * submission is reached.
310 static int vmw_bo_to_validate_list(struct vmw_sw_context
*sw_context
,
311 struct ttm_buffer_object
*bo
,
312 bool validate_as_mob
,
313 uint32_t *p_val_node
)
316 struct vmw_validate_buffer
*vval_buf
;
317 struct ttm_validate_buffer
*val_buf
;
318 struct drm_hash_item
*hash
;
321 if (likely(drm_ht_find_item(&sw_context
->res_ht
, (unsigned long) bo
,
323 vval_buf
= container_of(hash
, struct vmw_validate_buffer
,
325 if (unlikely(vval_buf
->validate_as_mob
!= validate_as_mob
)) {
326 DRM_ERROR("Inconsistent buffer usage.\n");
329 val_buf
= &vval_buf
->base
;
330 val_node
= vval_buf
- sw_context
->val_bufs
;
332 val_node
= sw_context
->cur_val_buf
;
333 if (unlikely(val_node
>= VMWGFX_MAX_VALIDATIONS
)) {
334 DRM_ERROR("Max number of DMA buffers per submission "
338 vval_buf
= &sw_context
->val_bufs
[val_node
];
339 vval_buf
->hash
.key
= (unsigned long) bo
;
340 ret
= drm_ht_insert_item(&sw_context
->res_ht
, &vval_buf
->hash
);
341 if (unlikely(ret
!= 0)) {
342 DRM_ERROR("Failed to initialize a buffer validation "
346 ++sw_context
->cur_val_buf
;
347 val_buf
= &vval_buf
->base
;
348 val_buf
->bo
= ttm_bo_reference(bo
);
349 val_buf
->reserved
= false;
350 list_add_tail(&val_buf
->head
, &sw_context
->validate_nodes
);
351 vval_buf
->validate_as_mob
= validate_as_mob
;
354 sw_context
->fence_flags
|= DRM_VMW_FENCE_FLAG_EXEC
;
357 *p_val_node
= val_node
;
363 * vmw_resources_reserve - Reserve all resources on the sw_context's
366 * @sw_context: Pointer to the software context.
368 * Note that since vmware's command submission currently is protected by
369 * the cmdbuf mutex, no fancy deadlock avoidance is required for resources,
370 * since only a single thread at once will attempt this.
372 static int vmw_resources_reserve(struct vmw_sw_context
*sw_context
)
374 struct vmw_resource_val_node
*val
;
377 list_for_each_entry(val
, &sw_context
->resource_list
, head
) {
378 struct vmw_resource
*res
= val
->res
;
380 ret
= vmw_resource_reserve(res
, val
->no_buffer_needed
);
381 if (unlikely(ret
!= 0))
385 struct ttm_buffer_object
*bo
= &res
->backup
->base
;
387 ret
= vmw_bo_to_validate_list
389 vmw_resource_needs_backup(res
), NULL
);
391 if (unlikely(ret
!= 0))
399 * vmw_resources_validate - Validate all resources on the sw_context's
402 * @sw_context: Pointer to the software context.
404 * Before this function is called, all resource backup buffers must have
407 static int vmw_resources_validate(struct vmw_sw_context
*sw_context
)
409 struct vmw_resource_val_node
*val
;
412 list_for_each_entry(val
, &sw_context
->resource_list
, head
) {
413 struct vmw_resource
*res
= val
->res
;
415 ret
= vmw_resource_validate(res
);
416 if (unlikely(ret
!= 0)) {
417 if (ret
!= -ERESTARTSYS
)
418 DRM_ERROR("Failed to validate resource.\n");
426 * vmw_cmd_compat_res_check - Check that a resource is present and if so, put it
427 * on the resource validate list unless it's already there.
429 * @dev_priv: Pointer to a device private structure.
430 * @sw_context: Pointer to the software context.
431 * @res_type: Resource type.
432 * @converter: User-space visisble type specific information.
433 * @id: user-space resource id handle.
434 * @id_loc: Pointer to the location in the command buffer currently being
435 * parsed from where the user-space resource id handle is located.
436 * @p_val: Pointer to pointer to resource validalidation node. Populated
440 vmw_cmd_compat_res_check(struct vmw_private
*dev_priv
,
441 struct vmw_sw_context
*sw_context
,
442 enum vmw_res_type res_type
,
443 const struct vmw_user_resource_conv
*converter
,
446 struct vmw_resource_val_node
**p_val
)
448 struct vmw_res_cache_entry
*rcache
=
449 &sw_context
->res_cache
[res_type
];
450 struct vmw_resource
*res
;
451 struct vmw_resource_val_node
*node
;
454 if (id
== SVGA3D_INVALID_ID
) {
457 if (res_type
== vmw_res_context
) {
458 DRM_ERROR("Illegal context invalid id.\n");
465 * Fastpath in case of repeated commands referencing the same
469 if (likely(rcache
->valid
&& id
== rcache
->handle
)) {
470 const struct vmw_resource
*res
= rcache
->res
;
472 rcache
->node
->first_usage
= false;
474 *p_val
= rcache
->node
;
476 return vmw_resource_relocation_add
477 (&sw_context
->res_relocations
, res
,
478 id_loc
- sw_context
->buf_start
);
481 ret
= vmw_user_resource_lookup_handle(dev_priv
,
482 sw_context
->fp
->tfile
,
486 if (unlikely(ret
!= 0)) {
487 DRM_ERROR("Could not find or use resource 0x%08x.\n",
493 rcache
->valid
= true;
497 ret
= vmw_resource_relocation_add(&sw_context
->res_relocations
,
499 id_loc
- sw_context
->buf_start
);
500 if (unlikely(ret
!= 0))
503 ret
= vmw_resource_val_add(sw_context
, res
, &node
);
504 if (unlikely(ret
!= 0))
511 if (dev_priv
->has_mob
&& node
->first_usage
&&
512 res_type
== vmw_res_context
) {
513 ret
= vmw_resource_context_res_add(dev_priv
, sw_context
, res
);
514 if (unlikely(ret
!= 0))
516 node
->staged_bindings
=
517 kzalloc(sizeof(*node
->staged_bindings
), GFP_KERNEL
);
518 if (node
->staged_bindings
== NULL
) {
519 DRM_ERROR("Failed to allocate context binding "
523 INIT_LIST_HEAD(&node
->staged_bindings
->list
);
526 vmw_resource_unreference(&res
);
530 BUG_ON(sw_context
->error_resource
!= NULL
);
531 sw_context
->error_resource
= res
;
537 * vmw_cmd_res_check - Check that a resource is present and if so, put it
538 * on the resource validate list unless it's already there.
540 * @dev_priv: Pointer to a device private structure.
541 * @sw_context: Pointer to the software context.
542 * @res_type: Resource type.
543 * @converter: User-space visisble type specific information.
544 * @id_loc: Pointer to the location in the command buffer currently being
545 * parsed from where the user-space resource id handle is located.
546 * @p_val: Pointer to pointer to resource validalidation node. Populated
550 vmw_cmd_res_check(struct vmw_private
*dev_priv
,
551 struct vmw_sw_context
*sw_context
,
552 enum vmw_res_type res_type
,
553 const struct vmw_user_resource_conv
*converter
,
555 struct vmw_resource_val_node
**p_val
)
557 return vmw_cmd_compat_res_check(dev_priv
, sw_context
, res_type
,
558 converter
, *id_loc
, id_loc
, p_val
);
562 * vmw_rebind_contexts - Rebind all resources previously bound to
563 * referenced contexts.
565 * @sw_context: Pointer to the software context.
567 * Rebind context binding points that have been scrubbed because of eviction.
569 static int vmw_rebind_contexts(struct vmw_sw_context
*sw_context
)
571 struct vmw_resource_val_node
*val
;
574 list_for_each_entry(val
, &sw_context
->resource_list
, head
) {
575 if (likely(!val
->staged_bindings
))
578 ret
= vmw_context_rebind_all(val
->res
);
579 if (unlikely(ret
!= 0)) {
580 if (ret
!= -ERESTARTSYS
)
581 DRM_ERROR("Failed to rebind context.\n");
590 * vmw_cmd_cid_check - Check a command header for valid context information.
592 * @dev_priv: Pointer to a device private structure.
593 * @sw_context: Pointer to the software context.
594 * @header: A command header with an embedded user-space context handle.
596 * Convenience function: Call vmw_cmd_res_check with the user-space context
597 * handle embedded in @header.
599 static int vmw_cmd_cid_check(struct vmw_private
*dev_priv
,
600 struct vmw_sw_context
*sw_context
,
601 SVGA3dCmdHeader
*header
)
604 SVGA3dCmdHeader header
;
608 cmd
= container_of(header
, struct vmw_cid_cmd
, header
);
609 return vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_context
,
610 user_context_converter
, &cmd
->cid
, NULL
);
613 static int vmw_cmd_set_render_target_check(struct vmw_private
*dev_priv
,
614 struct vmw_sw_context
*sw_context
,
615 SVGA3dCmdHeader
*header
)
618 SVGA3dCmdHeader header
;
619 SVGA3dCmdSetRenderTarget body
;
621 struct vmw_resource_val_node
*ctx_node
;
622 struct vmw_resource_val_node
*res_node
;
625 cmd
= container_of(header
, struct vmw_sid_cmd
, header
);
627 ret
= vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_context
,
628 user_context_converter
, &cmd
->body
.cid
,
630 if (unlikely(ret
!= 0))
633 ret
= vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_surface
,
634 user_surface_converter
,
635 &cmd
->body
.target
.sid
, &res_node
);
636 if (unlikely(ret
!= 0))
639 if (dev_priv
->has_mob
) {
640 struct vmw_ctx_bindinfo bi
;
642 bi
.ctx
= ctx_node
->res
;
643 bi
.res
= res_node
? res_node
->res
: NULL
;
644 bi
.bt
= vmw_ctx_binding_rt
;
645 bi
.i1
.rt_type
= cmd
->body
.type
;
646 return vmw_context_binding_add(ctx_node
->staged_bindings
, &bi
);
652 static int vmw_cmd_surface_copy_check(struct vmw_private
*dev_priv
,
653 struct vmw_sw_context
*sw_context
,
654 SVGA3dCmdHeader
*header
)
657 SVGA3dCmdHeader header
;
658 SVGA3dCmdSurfaceCopy body
;
662 cmd
= container_of(header
, struct vmw_sid_cmd
, header
);
663 ret
= vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_surface
,
664 user_surface_converter
,
665 &cmd
->body
.src
.sid
, NULL
);
666 if (unlikely(ret
!= 0))
668 return vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_surface
,
669 user_surface_converter
,
670 &cmd
->body
.dest
.sid
, NULL
);
673 static int vmw_cmd_stretch_blt_check(struct vmw_private
*dev_priv
,
674 struct vmw_sw_context
*sw_context
,
675 SVGA3dCmdHeader
*header
)
678 SVGA3dCmdHeader header
;
679 SVGA3dCmdSurfaceStretchBlt body
;
683 cmd
= container_of(header
, struct vmw_sid_cmd
, header
);
684 ret
= vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_surface
,
685 user_surface_converter
,
686 &cmd
->body
.src
.sid
, NULL
);
687 if (unlikely(ret
!= 0))
689 return vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_surface
,
690 user_surface_converter
,
691 &cmd
->body
.dest
.sid
, NULL
);
694 static int vmw_cmd_blt_surf_screen_check(struct vmw_private
*dev_priv
,
695 struct vmw_sw_context
*sw_context
,
696 SVGA3dCmdHeader
*header
)
699 SVGA3dCmdHeader header
;
700 SVGA3dCmdBlitSurfaceToScreen body
;
703 cmd
= container_of(header
, struct vmw_sid_cmd
, header
);
705 return vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_surface
,
706 user_surface_converter
,
707 &cmd
->body
.srcImage
.sid
, NULL
);
710 static int vmw_cmd_present_check(struct vmw_private
*dev_priv
,
711 struct vmw_sw_context
*sw_context
,
712 SVGA3dCmdHeader
*header
)
715 SVGA3dCmdHeader header
;
716 SVGA3dCmdPresent body
;
720 cmd
= container_of(header
, struct vmw_sid_cmd
, header
);
722 return vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_surface
,
723 user_surface_converter
, &cmd
->body
.sid
,
728 * vmw_query_bo_switch_prepare - Prepare to switch pinned buffer for queries.
730 * @dev_priv: The device private structure.
731 * @new_query_bo: The new buffer holding query results.
732 * @sw_context: The software context used for this command submission.
734 * This function checks whether @new_query_bo is suitable for holding
735 * query results, and if another buffer currently is pinned for query
736 * results. If so, the function prepares the state of @sw_context for
737 * switching pinned buffers after successful submission of the current
740 static int vmw_query_bo_switch_prepare(struct vmw_private
*dev_priv
,
741 struct ttm_buffer_object
*new_query_bo
,
742 struct vmw_sw_context
*sw_context
)
744 struct vmw_res_cache_entry
*ctx_entry
=
745 &sw_context
->res_cache
[vmw_res_context
];
748 BUG_ON(!ctx_entry
->valid
);
749 sw_context
->last_query_ctx
= ctx_entry
->res
;
751 if (unlikely(new_query_bo
!= sw_context
->cur_query_bo
)) {
753 if (unlikely(new_query_bo
->num_pages
> 4)) {
754 DRM_ERROR("Query buffer too large.\n");
758 if (unlikely(sw_context
->cur_query_bo
!= NULL
)) {
759 sw_context
->needs_post_query_barrier
= true;
760 ret
= vmw_bo_to_validate_list(sw_context
,
761 sw_context
->cur_query_bo
,
762 dev_priv
->has_mob
, NULL
);
763 if (unlikely(ret
!= 0))
766 sw_context
->cur_query_bo
= new_query_bo
;
768 ret
= vmw_bo_to_validate_list(sw_context
,
769 dev_priv
->dummy_query_bo
,
770 dev_priv
->has_mob
, NULL
);
771 if (unlikely(ret
!= 0))
781 * vmw_query_bo_switch_commit - Finalize switching pinned query buffer
783 * @dev_priv: The device private structure.
784 * @sw_context: The software context used for this command submission batch.
786 * This function will check if we're switching query buffers, and will then,
787 * issue a dummy occlusion query wait used as a query barrier. When the fence
788 * object following that query wait has signaled, we are sure that all
789 * preceding queries have finished, and the old query buffer can be unpinned.
790 * However, since both the new query buffer and the old one are fenced with
791 * that fence, we can do an asynchronus unpin now, and be sure that the
792 * old query buffer won't be moved until the fence has signaled.
794 * As mentioned above, both the new - and old query buffers need to be fenced
795 * using a sequence emitted *after* calling this function.
797 static void vmw_query_bo_switch_commit(struct vmw_private
*dev_priv
,
798 struct vmw_sw_context
*sw_context
)
801 * The validate list should still hold references to all
805 if (sw_context
->needs_post_query_barrier
) {
806 struct vmw_res_cache_entry
*ctx_entry
=
807 &sw_context
->res_cache
[vmw_res_context
];
808 struct vmw_resource
*ctx
;
811 BUG_ON(!ctx_entry
->valid
);
812 ctx
= ctx_entry
->res
;
814 ret
= vmw_fifo_emit_dummy_query(dev_priv
, ctx
->id
);
816 if (unlikely(ret
!= 0))
817 DRM_ERROR("Out of fifo space for dummy query.\n");
820 if (dev_priv
->pinned_bo
!= sw_context
->cur_query_bo
) {
821 if (dev_priv
->pinned_bo
) {
822 vmw_bo_pin(dev_priv
->pinned_bo
, false);
823 ttm_bo_unref(&dev_priv
->pinned_bo
);
826 if (!sw_context
->needs_post_query_barrier
) {
827 vmw_bo_pin(sw_context
->cur_query_bo
, true);
830 * We pin also the dummy_query_bo buffer so that we
831 * don't need to validate it when emitting
832 * dummy queries in context destroy paths.
835 vmw_bo_pin(dev_priv
->dummy_query_bo
, true);
836 dev_priv
->dummy_query_bo_pinned
= true;
838 BUG_ON(sw_context
->last_query_ctx
== NULL
);
839 dev_priv
->query_cid
= sw_context
->last_query_ctx
->id
;
840 dev_priv
->query_cid_valid
= true;
841 dev_priv
->pinned_bo
=
842 ttm_bo_reference(sw_context
->cur_query_bo
);
848 * vmw_translate_mob_pointer - Prepare to translate a user-space buffer
849 * handle to a MOB id.
851 * @dev_priv: Pointer to a device private structure.
852 * @sw_context: The software context used for this command batch validation.
853 * @id: Pointer to the user-space handle to be translated.
854 * @vmw_bo_p: Points to a location that, on successful return will carry
855 * a reference-counted pointer to the DMA buffer identified by the
856 * user-space handle in @id.
858 * This function saves information needed to translate a user-space buffer
859 * handle to a MOB id. The translation does not take place immediately, but
860 * during a call to vmw_apply_relocations(). This function builds a relocation
861 * list and a list of buffers to validate. The former needs to be freed using
862 * either vmw_apply_relocations() or vmw_free_relocations(). The latter
863 * needs to be freed using vmw_clear_validations.
865 static int vmw_translate_mob_ptr(struct vmw_private
*dev_priv
,
866 struct vmw_sw_context
*sw_context
,
868 struct vmw_dma_buffer
**vmw_bo_p
)
870 struct vmw_dma_buffer
*vmw_bo
= NULL
;
871 struct ttm_buffer_object
*bo
;
872 uint32_t handle
= *id
;
873 struct vmw_relocation
*reloc
;
876 ret
= vmw_user_dmabuf_lookup(sw_context
->fp
->tfile
, handle
, &vmw_bo
);
877 if (unlikely(ret
!= 0)) {
878 DRM_ERROR("Could not find or use MOB buffer.\n");
883 if (unlikely(sw_context
->cur_reloc
>= VMWGFX_MAX_RELOCATIONS
)) {
884 DRM_ERROR("Max number relocations per submission"
890 reloc
= &sw_context
->relocs
[sw_context
->cur_reloc
++];
892 reloc
->location
= NULL
;
894 ret
= vmw_bo_to_validate_list(sw_context
, bo
, true, &reloc
->index
);
895 if (unlikely(ret
!= 0))
902 vmw_dmabuf_unreference(&vmw_bo
);
908 * vmw_translate_guest_pointer - Prepare to translate a user-space buffer
909 * handle to a valid SVGAGuestPtr
911 * @dev_priv: Pointer to a device private structure.
912 * @sw_context: The software context used for this command batch validation.
913 * @ptr: Pointer to the user-space handle to be translated.
914 * @vmw_bo_p: Points to a location that, on successful return will carry
915 * a reference-counted pointer to the DMA buffer identified by the
916 * user-space handle in @id.
918 * This function saves information needed to translate a user-space buffer
919 * handle to a valid SVGAGuestPtr. The translation does not take place
920 * immediately, but during a call to vmw_apply_relocations().
921 * This function builds a relocation list and a list of buffers to validate.
922 * The former needs to be freed using either vmw_apply_relocations() or
923 * vmw_free_relocations(). The latter needs to be freed using
924 * vmw_clear_validations.
926 static int vmw_translate_guest_ptr(struct vmw_private
*dev_priv
,
927 struct vmw_sw_context
*sw_context
,
929 struct vmw_dma_buffer
**vmw_bo_p
)
931 struct vmw_dma_buffer
*vmw_bo
= NULL
;
932 struct ttm_buffer_object
*bo
;
933 uint32_t handle
= ptr
->gmrId
;
934 struct vmw_relocation
*reloc
;
937 ret
= vmw_user_dmabuf_lookup(sw_context
->fp
->tfile
, handle
, &vmw_bo
);
938 if (unlikely(ret
!= 0)) {
939 DRM_ERROR("Could not find or use GMR region.\n");
944 if (unlikely(sw_context
->cur_reloc
>= VMWGFX_MAX_RELOCATIONS
)) {
945 DRM_ERROR("Max number relocations per submission"
951 reloc
= &sw_context
->relocs
[sw_context
->cur_reloc
++];
952 reloc
->location
= ptr
;
954 ret
= vmw_bo_to_validate_list(sw_context
, bo
, false, &reloc
->index
);
955 if (unlikely(ret
!= 0))
962 vmw_dmabuf_unreference(&vmw_bo
);
968 * vmw_cmd_begin_gb_query - validate a SVGA_3D_CMD_BEGIN_GB_QUERY command.
970 * @dev_priv: Pointer to a device private struct.
971 * @sw_context: The software context used for this command submission.
972 * @header: Pointer to the command header in the command stream.
974 static int vmw_cmd_begin_gb_query(struct vmw_private
*dev_priv
,
975 struct vmw_sw_context
*sw_context
,
976 SVGA3dCmdHeader
*header
)
978 struct vmw_begin_gb_query_cmd
{
979 SVGA3dCmdHeader header
;
980 SVGA3dCmdBeginGBQuery q
;
983 cmd
= container_of(header
, struct vmw_begin_gb_query_cmd
,
986 return vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_context
,
987 user_context_converter
, &cmd
->q
.cid
,
992 * vmw_cmd_begin_query - validate a SVGA_3D_CMD_BEGIN_QUERY command.
994 * @dev_priv: Pointer to a device private struct.
995 * @sw_context: The software context used for this command submission.
996 * @header: Pointer to the command header in the command stream.
998 static int vmw_cmd_begin_query(struct vmw_private
*dev_priv
,
999 struct vmw_sw_context
*sw_context
,
1000 SVGA3dCmdHeader
*header
)
1002 struct vmw_begin_query_cmd
{
1003 SVGA3dCmdHeader header
;
1004 SVGA3dCmdBeginQuery q
;
1007 cmd
= container_of(header
, struct vmw_begin_query_cmd
,
1010 if (unlikely(dev_priv
->has_mob
)) {
1012 SVGA3dCmdHeader header
;
1013 SVGA3dCmdBeginGBQuery q
;
1016 BUG_ON(sizeof(gb_cmd
) != sizeof(*cmd
));
1018 gb_cmd
.header
.id
= SVGA_3D_CMD_BEGIN_GB_QUERY
;
1019 gb_cmd
.header
.size
= cmd
->header
.size
;
1020 gb_cmd
.q
.cid
= cmd
->q
.cid
;
1021 gb_cmd
.q
.type
= cmd
->q
.type
;
1023 memcpy(cmd
, &gb_cmd
, sizeof(*cmd
));
1024 return vmw_cmd_begin_gb_query(dev_priv
, sw_context
, header
);
1027 return vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_context
,
1028 user_context_converter
, &cmd
->q
.cid
,
1033 * vmw_cmd_end_gb_query - validate a SVGA_3D_CMD_END_GB_QUERY command.
1035 * @dev_priv: Pointer to a device private struct.
1036 * @sw_context: The software context used for this command submission.
1037 * @header: Pointer to the command header in the command stream.
1039 static int vmw_cmd_end_gb_query(struct vmw_private
*dev_priv
,
1040 struct vmw_sw_context
*sw_context
,
1041 SVGA3dCmdHeader
*header
)
1043 struct vmw_dma_buffer
*vmw_bo
;
1044 struct vmw_query_cmd
{
1045 SVGA3dCmdHeader header
;
1046 SVGA3dCmdEndGBQuery q
;
1050 cmd
= container_of(header
, struct vmw_query_cmd
, header
);
1051 ret
= vmw_cmd_cid_check(dev_priv
, sw_context
, header
);
1052 if (unlikely(ret
!= 0))
1055 ret
= vmw_translate_mob_ptr(dev_priv
, sw_context
,
1058 if (unlikely(ret
!= 0))
1061 ret
= vmw_query_bo_switch_prepare(dev_priv
, &vmw_bo
->base
, sw_context
);
1063 vmw_dmabuf_unreference(&vmw_bo
);
1068 * vmw_cmd_end_query - validate a SVGA_3D_CMD_END_QUERY command.
1070 * @dev_priv: Pointer to a device private struct.
1071 * @sw_context: The software context used for this command submission.
1072 * @header: Pointer to the command header in the command stream.
1074 static int vmw_cmd_end_query(struct vmw_private
*dev_priv
,
1075 struct vmw_sw_context
*sw_context
,
1076 SVGA3dCmdHeader
*header
)
1078 struct vmw_dma_buffer
*vmw_bo
;
1079 struct vmw_query_cmd
{
1080 SVGA3dCmdHeader header
;
1081 SVGA3dCmdEndQuery q
;
1085 cmd
= container_of(header
, struct vmw_query_cmd
, header
);
1086 if (dev_priv
->has_mob
) {
1088 SVGA3dCmdHeader header
;
1089 SVGA3dCmdEndGBQuery q
;
1092 BUG_ON(sizeof(gb_cmd
) != sizeof(*cmd
));
1094 gb_cmd
.header
.id
= SVGA_3D_CMD_END_GB_QUERY
;
1095 gb_cmd
.header
.size
= cmd
->header
.size
;
1096 gb_cmd
.q
.cid
= cmd
->q
.cid
;
1097 gb_cmd
.q
.type
= cmd
->q
.type
;
1098 gb_cmd
.q
.mobid
= cmd
->q
.guestResult
.gmrId
;
1099 gb_cmd
.q
.offset
= cmd
->q
.guestResult
.offset
;
1101 memcpy(cmd
, &gb_cmd
, sizeof(*cmd
));
1102 return vmw_cmd_end_gb_query(dev_priv
, sw_context
, header
);
1105 ret
= vmw_cmd_cid_check(dev_priv
, sw_context
, header
);
1106 if (unlikely(ret
!= 0))
1109 ret
= vmw_translate_guest_ptr(dev_priv
, sw_context
,
1110 &cmd
->q
.guestResult
,
1112 if (unlikely(ret
!= 0))
1115 ret
= vmw_query_bo_switch_prepare(dev_priv
, &vmw_bo
->base
, sw_context
);
1117 vmw_dmabuf_unreference(&vmw_bo
);
1122 * vmw_cmd_wait_gb_query - validate a SVGA_3D_CMD_WAIT_GB_QUERY command.
1124 * @dev_priv: Pointer to a device private struct.
1125 * @sw_context: The software context used for this command submission.
1126 * @header: Pointer to the command header in the command stream.
1128 static int vmw_cmd_wait_gb_query(struct vmw_private
*dev_priv
,
1129 struct vmw_sw_context
*sw_context
,
1130 SVGA3dCmdHeader
*header
)
1132 struct vmw_dma_buffer
*vmw_bo
;
1133 struct vmw_query_cmd
{
1134 SVGA3dCmdHeader header
;
1135 SVGA3dCmdWaitForGBQuery q
;
1139 cmd
= container_of(header
, struct vmw_query_cmd
, header
);
1140 ret
= vmw_cmd_cid_check(dev_priv
, sw_context
, header
);
1141 if (unlikely(ret
!= 0))
1144 ret
= vmw_translate_mob_ptr(dev_priv
, sw_context
,
1147 if (unlikely(ret
!= 0))
1150 vmw_dmabuf_unreference(&vmw_bo
);
1155 * vmw_cmd_wait_query - validate a SVGA_3D_CMD_WAIT_QUERY command.
1157 * @dev_priv: Pointer to a device private struct.
1158 * @sw_context: The software context used for this command submission.
1159 * @header: Pointer to the command header in the command stream.
1161 static int vmw_cmd_wait_query(struct vmw_private
*dev_priv
,
1162 struct vmw_sw_context
*sw_context
,
1163 SVGA3dCmdHeader
*header
)
1165 struct vmw_dma_buffer
*vmw_bo
;
1166 struct vmw_query_cmd
{
1167 SVGA3dCmdHeader header
;
1168 SVGA3dCmdWaitForQuery q
;
1172 cmd
= container_of(header
, struct vmw_query_cmd
, header
);
1173 if (dev_priv
->has_mob
) {
1175 SVGA3dCmdHeader header
;
1176 SVGA3dCmdWaitForGBQuery q
;
1179 BUG_ON(sizeof(gb_cmd
) != sizeof(*cmd
));
1181 gb_cmd
.header
.id
= SVGA_3D_CMD_WAIT_FOR_GB_QUERY
;
1182 gb_cmd
.header
.size
= cmd
->header
.size
;
1183 gb_cmd
.q
.cid
= cmd
->q
.cid
;
1184 gb_cmd
.q
.type
= cmd
->q
.type
;
1185 gb_cmd
.q
.mobid
= cmd
->q
.guestResult
.gmrId
;
1186 gb_cmd
.q
.offset
= cmd
->q
.guestResult
.offset
;
1188 memcpy(cmd
, &gb_cmd
, sizeof(*cmd
));
1189 return vmw_cmd_wait_gb_query(dev_priv
, sw_context
, header
);
1192 ret
= vmw_cmd_cid_check(dev_priv
, sw_context
, header
);
1193 if (unlikely(ret
!= 0))
1196 ret
= vmw_translate_guest_ptr(dev_priv
, sw_context
,
1197 &cmd
->q
.guestResult
,
1199 if (unlikely(ret
!= 0))
1202 vmw_dmabuf_unreference(&vmw_bo
);
1206 static int vmw_cmd_dma(struct vmw_private
*dev_priv
,
1207 struct vmw_sw_context
*sw_context
,
1208 SVGA3dCmdHeader
*header
)
1210 struct vmw_dma_buffer
*vmw_bo
= NULL
;
1211 struct vmw_surface
*srf
= NULL
;
1212 struct vmw_dma_cmd
{
1213 SVGA3dCmdHeader header
;
1214 SVGA3dCmdSurfaceDMA dma
;
1217 SVGA3dCmdSurfaceDMASuffix
*suffix
;
1220 cmd
= container_of(header
, struct vmw_dma_cmd
, header
);
1221 suffix
= (SVGA3dCmdSurfaceDMASuffix
*)((unsigned long) &cmd
->dma
+
1222 header
->size
- sizeof(*suffix
));
1224 /* Make sure device and verifier stays in sync. */
1225 if (unlikely(suffix
->suffixSize
!= sizeof(*suffix
))) {
1226 DRM_ERROR("Invalid DMA suffix size.\n");
1230 ret
= vmw_translate_guest_ptr(dev_priv
, sw_context
,
1231 &cmd
->dma
.guest
.ptr
,
1233 if (unlikely(ret
!= 0))
1236 /* Make sure DMA doesn't cross BO boundaries. */
1237 bo_size
= vmw_bo
->base
.num_pages
* PAGE_SIZE
;
1238 if (unlikely(cmd
->dma
.guest
.ptr
.offset
> bo_size
)) {
1239 DRM_ERROR("Invalid DMA offset.\n");
1243 bo_size
-= cmd
->dma
.guest
.ptr
.offset
;
1244 if (unlikely(suffix
->maximumOffset
> bo_size
))
1245 suffix
->maximumOffset
= bo_size
;
1247 ret
= vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_surface
,
1248 user_surface_converter
, &cmd
->dma
.host
.sid
,
1250 if (unlikely(ret
!= 0)) {
1251 if (unlikely(ret
!= -ERESTARTSYS
))
1252 DRM_ERROR("could not find surface for DMA.\n");
1253 goto out_no_surface
;
1256 srf
= vmw_res_to_srf(sw_context
->res_cache
[vmw_res_surface
].res
);
1258 vmw_kms_cursor_snoop(srf
, sw_context
->fp
->tfile
, &vmw_bo
->base
,
1262 vmw_dmabuf_unreference(&vmw_bo
);
1266 static int vmw_cmd_draw(struct vmw_private
*dev_priv
,
1267 struct vmw_sw_context
*sw_context
,
1268 SVGA3dCmdHeader
*header
)
1270 struct vmw_draw_cmd
{
1271 SVGA3dCmdHeader header
;
1272 SVGA3dCmdDrawPrimitives body
;
1274 SVGA3dVertexDecl
*decl
= (SVGA3dVertexDecl
*)(
1275 (unsigned long)header
+ sizeof(*cmd
));
1276 SVGA3dPrimitiveRange
*range
;
1281 ret
= vmw_cmd_cid_check(dev_priv
, sw_context
, header
);
1282 if (unlikely(ret
!= 0))
1285 cmd
= container_of(header
, struct vmw_draw_cmd
, header
);
1286 maxnum
= (header
->size
- sizeof(cmd
->body
)) / sizeof(*decl
);
1288 if (unlikely(cmd
->body
.numVertexDecls
> maxnum
)) {
1289 DRM_ERROR("Illegal number of vertex declarations.\n");
1293 for (i
= 0; i
< cmd
->body
.numVertexDecls
; ++i
, ++decl
) {
1294 ret
= vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_surface
,
1295 user_surface_converter
,
1296 &decl
->array
.surfaceId
, NULL
);
1297 if (unlikely(ret
!= 0))
1301 maxnum
= (header
->size
- sizeof(cmd
->body
) -
1302 cmd
->body
.numVertexDecls
* sizeof(*decl
)) / sizeof(*range
);
1303 if (unlikely(cmd
->body
.numRanges
> maxnum
)) {
1304 DRM_ERROR("Illegal number of index ranges.\n");
1308 range
= (SVGA3dPrimitiveRange
*) decl
;
1309 for (i
= 0; i
< cmd
->body
.numRanges
; ++i
, ++range
) {
1310 ret
= vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_surface
,
1311 user_surface_converter
,
1312 &range
->indexArray
.surfaceId
, NULL
);
1313 if (unlikely(ret
!= 0))
1320 static int vmw_cmd_tex_state(struct vmw_private
*dev_priv
,
1321 struct vmw_sw_context
*sw_context
,
1322 SVGA3dCmdHeader
*header
)
1324 struct vmw_tex_state_cmd
{
1325 SVGA3dCmdHeader header
;
1326 SVGA3dCmdSetTextureState state
;
1329 SVGA3dTextureState
*last_state
= (SVGA3dTextureState
*)
1330 ((unsigned long) header
+ header
->size
+ sizeof(header
));
1331 SVGA3dTextureState
*cur_state
= (SVGA3dTextureState
*)
1332 ((unsigned long) header
+ sizeof(struct vmw_tex_state_cmd
));
1333 struct vmw_resource_val_node
*ctx_node
;
1334 struct vmw_resource_val_node
*res_node
;
1337 cmd
= container_of(header
, struct vmw_tex_state_cmd
,
1340 ret
= vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_context
,
1341 user_context_converter
, &cmd
->state
.cid
,
1343 if (unlikely(ret
!= 0))
1346 for (; cur_state
< last_state
; ++cur_state
) {
1347 if (likely(cur_state
->name
!= SVGA3D_TS_BIND_TEXTURE
))
1350 ret
= vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_surface
,
1351 user_surface_converter
,
1352 &cur_state
->value
, &res_node
);
1353 if (unlikely(ret
!= 0))
1356 if (dev_priv
->has_mob
) {
1357 struct vmw_ctx_bindinfo bi
;
1359 bi
.ctx
= ctx_node
->res
;
1360 bi
.res
= res_node
? res_node
->res
: NULL
;
1361 bi
.bt
= vmw_ctx_binding_tex
;
1362 bi
.i1
.texture_stage
= cur_state
->stage
;
1363 vmw_context_binding_add(ctx_node
->staged_bindings
,
1371 static int vmw_cmd_check_define_gmrfb(struct vmw_private
*dev_priv
,
1372 struct vmw_sw_context
*sw_context
,
1375 struct vmw_dma_buffer
*vmw_bo
;
1380 SVGAFifoCmdDefineGMRFB body
;
1383 ret
= vmw_translate_guest_ptr(dev_priv
, sw_context
,
1386 if (unlikely(ret
!= 0))
1389 vmw_dmabuf_unreference(&vmw_bo
);
1395 * vmw_cmd_switch_backup - Utility function to handle backup buffer switching
1397 * @dev_priv: Pointer to a device private struct.
1398 * @sw_context: The software context being used for this batch.
1399 * @res_type: The resource type.
1400 * @converter: Information about user-space binding for this resource type.
1401 * @res_id: Pointer to the user-space resource handle in the command stream.
1402 * @buf_id: Pointer to the user-space backup buffer handle in the command
1404 * @backup_offset: Offset of backup into MOB.
1406 * This function prepares for registering a switch of backup buffers
1407 * in the resource metadata just prior to unreserving.
1409 static int vmw_cmd_switch_backup(struct vmw_private
*dev_priv
,
1410 struct vmw_sw_context
*sw_context
,
1411 enum vmw_res_type res_type
,
1412 const struct vmw_user_resource_conv
1416 unsigned long backup_offset
)
1419 struct vmw_dma_buffer
*dma_buf
;
1420 struct vmw_resource_val_node
*val_node
;
1422 ret
= vmw_cmd_res_check(dev_priv
, sw_context
, res_type
,
1423 converter
, res_id
, &val_node
);
1424 if (unlikely(ret
!= 0))
1427 ret
= vmw_translate_mob_ptr(dev_priv
, sw_context
, buf_id
, &dma_buf
);
1428 if (unlikely(ret
!= 0))
1431 if (val_node
->first_usage
)
1432 val_node
->no_buffer_needed
= true;
1434 vmw_dmabuf_unreference(&val_node
->new_backup
);
1435 val_node
->new_backup
= dma_buf
;
1436 val_node
->new_backup_offset
= backup_offset
;
1442 * vmw_cmd_bind_gb_surface - Validate an SVGA_3D_CMD_BIND_GB_SURFACE
1445 * @dev_priv: Pointer to a device private struct.
1446 * @sw_context: The software context being used for this batch.
1447 * @header: Pointer to the command header in the command stream.
1449 static int vmw_cmd_bind_gb_surface(struct vmw_private
*dev_priv
,
1450 struct vmw_sw_context
*sw_context
,
1451 SVGA3dCmdHeader
*header
)
1453 struct vmw_bind_gb_surface_cmd
{
1454 SVGA3dCmdHeader header
;
1455 SVGA3dCmdBindGBSurface body
;
1458 cmd
= container_of(header
, struct vmw_bind_gb_surface_cmd
, header
);
1460 return vmw_cmd_switch_backup(dev_priv
, sw_context
, vmw_res_surface
,
1461 user_surface_converter
,
1462 &cmd
->body
.sid
, &cmd
->body
.mobid
,
1467 * vmw_cmd_update_gb_image - Validate an SVGA_3D_CMD_UPDATE_GB_IMAGE
1470 * @dev_priv: Pointer to a device private struct.
1471 * @sw_context: The software context being used for this batch.
1472 * @header: Pointer to the command header in the command stream.
1474 static int vmw_cmd_update_gb_image(struct vmw_private
*dev_priv
,
1475 struct vmw_sw_context
*sw_context
,
1476 SVGA3dCmdHeader
*header
)
1478 struct vmw_gb_surface_cmd
{
1479 SVGA3dCmdHeader header
;
1480 SVGA3dCmdUpdateGBImage body
;
1483 cmd
= container_of(header
, struct vmw_gb_surface_cmd
, header
);
1485 return vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_surface
,
1486 user_surface_converter
,
1487 &cmd
->body
.image
.sid
, NULL
);
1491 * vmw_cmd_update_gb_surface - Validate an SVGA_3D_CMD_UPDATE_GB_SURFACE
1494 * @dev_priv: Pointer to a device private struct.
1495 * @sw_context: The software context being used for this batch.
1496 * @header: Pointer to the command header in the command stream.
1498 static int vmw_cmd_update_gb_surface(struct vmw_private
*dev_priv
,
1499 struct vmw_sw_context
*sw_context
,
1500 SVGA3dCmdHeader
*header
)
1502 struct vmw_gb_surface_cmd
{
1503 SVGA3dCmdHeader header
;
1504 SVGA3dCmdUpdateGBSurface body
;
1507 cmd
= container_of(header
, struct vmw_gb_surface_cmd
, header
);
1509 return vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_surface
,
1510 user_surface_converter
,
1511 &cmd
->body
.sid
, NULL
);
1515 * vmw_cmd_readback_gb_image - Validate an SVGA_3D_CMD_READBACK_GB_IMAGE
1518 * @dev_priv: Pointer to a device private struct.
1519 * @sw_context: The software context being used for this batch.
1520 * @header: Pointer to the command header in the command stream.
1522 static int vmw_cmd_readback_gb_image(struct vmw_private
*dev_priv
,
1523 struct vmw_sw_context
*sw_context
,
1524 SVGA3dCmdHeader
*header
)
1526 struct vmw_gb_surface_cmd
{
1527 SVGA3dCmdHeader header
;
1528 SVGA3dCmdReadbackGBImage body
;
1531 cmd
= container_of(header
, struct vmw_gb_surface_cmd
, header
);
1533 return vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_surface
,
1534 user_surface_converter
,
1535 &cmd
->body
.image
.sid
, NULL
);
1539 * vmw_cmd_readback_gb_surface - Validate an SVGA_3D_CMD_READBACK_GB_SURFACE
1542 * @dev_priv: Pointer to a device private struct.
1543 * @sw_context: The software context being used for this batch.
1544 * @header: Pointer to the command header in the command stream.
1546 static int vmw_cmd_readback_gb_surface(struct vmw_private
*dev_priv
,
1547 struct vmw_sw_context
*sw_context
,
1548 SVGA3dCmdHeader
*header
)
1550 struct vmw_gb_surface_cmd
{
1551 SVGA3dCmdHeader header
;
1552 SVGA3dCmdReadbackGBSurface body
;
1555 cmd
= container_of(header
, struct vmw_gb_surface_cmd
, header
);
1557 return vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_surface
,
1558 user_surface_converter
,
1559 &cmd
->body
.sid
, NULL
);
1563 * vmw_cmd_invalidate_gb_image - Validate an SVGA_3D_CMD_INVALIDATE_GB_IMAGE
1566 * @dev_priv: Pointer to a device private struct.
1567 * @sw_context: The software context being used for this batch.
1568 * @header: Pointer to the command header in the command stream.
1570 static int vmw_cmd_invalidate_gb_image(struct vmw_private
*dev_priv
,
1571 struct vmw_sw_context
*sw_context
,
1572 SVGA3dCmdHeader
*header
)
1574 struct vmw_gb_surface_cmd
{
1575 SVGA3dCmdHeader header
;
1576 SVGA3dCmdInvalidateGBImage body
;
1579 cmd
= container_of(header
, struct vmw_gb_surface_cmd
, header
);
1581 return vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_surface
,
1582 user_surface_converter
,
1583 &cmd
->body
.image
.sid
, NULL
);
1587 * vmw_cmd_invalidate_gb_surface - Validate an
1588 * SVGA_3D_CMD_INVALIDATE_GB_SURFACE command
1590 * @dev_priv: Pointer to a device private struct.
1591 * @sw_context: The software context being used for this batch.
1592 * @header: Pointer to the command header in the command stream.
1594 static int vmw_cmd_invalidate_gb_surface(struct vmw_private
*dev_priv
,
1595 struct vmw_sw_context
*sw_context
,
1596 SVGA3dCmdHeader
*header
)
1598 struct vmw_gb_surface_cmd
{
1599 SVGA3dCmdHeader header
;
1600 SVGA3dCmdInvalidateGBSurface body
;
1603 cmd
= container_of(header
, struct vmw_gb_surface_cmd
, header
);
1605 return vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_surface
,
1606 user_surface_converter
,
1607 &cmd
->body
.sid
, NULL
);
1612 * vmw_cmd_shader_define - Validate an SVGA_3D_CMD_SHADER_DEFINE
1615 * @dev_priv: Pointer to a device private struct.
1616 * @sw_context: The software context being used for this batch.
1617 * @header: Pointer to the command header in the command stream.
1619 static int vmw_cmd_shader_define(struct vmw_private
*dev_priv
,
1620 struct vmw_sw_context
*sw_context
,
1621 SVGA3dCmdHeader
*header
)
1623 struct vmw_shader_define_cmd
{
1624 SVGA3dCmdHeader header
;
1625 SVGA3dCmdDefineShader body
;
1630 cmd
= container_of(header
, struct vmw_shader_define_cmd
,
1633 ret
= vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_context
,
1634 user_context_converter
, &cmd
->body
.cid
,
1636 if (unlikely(ret
!= 0))
1639 if (unlikely(!dev_priv
->has_mob
))
1642 size
= cmd
->header
.size
- sizeof(cmd
->body
);
1643 ret
= vmw_compat_shader_add(sw_context
->fp
->shman
,
1644 cmd
->body
.shid
, cmd
+ 1,
1645 cmd
->body
.type
, size
,
1646 sw_context
->fp
->tfile
,
1647 &sw_context
->staged_shaders
);
1648 if (unlikely(ret
!= 0))
1651 return vmw_resource_relocation_add(&sw_context
->res_relocations
,
1652 NULL
, &cmd
->header
.id
-
1653 sw_context
->buf_start
);
1659 * vmw_cmd_shader_destroy - Validate an SVGA_3D_CMD_SHADER_DESTROY
1662 * @dev_priv: Pointer to a device private struct.
1663 * @sw_context: The software context being used for this batch.
1664 * @header: Pointer to the command header in the command stream.
1666 static int vmw_cmd_shader_destroy(struct vmw_private
*dev_priv
,
1667 struct vmw_sw_context
*sw_context
,
1668 SVGA3dCmdHeader
*header
)
1670 struct vmw_shader_destroy_cmd
{
1671 SVGA3dCmdHeader header
;
1672 SVGA3dCmdDestroyShader body
;
1676 cmd
= container_of(header
, struct vmw_shader_destroy_cmd
,
1679 ret
= vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_context
,
1680 user_context_converter
, &cmd
->body
.cid
,
1682 if (unlikely(ret
!= 0))
1685 if (unlikely(!dev_priv
->has_mob
))
1688 ret
= vmw_compat_shader_remove(sw_context
->fp
->shman
,
1691 &sw_context
->staged_shaders
);
1692 if (unlikely(ret
!= 0))
1695 return vmw_resource_relocation_add(&sw_context
->res_relocations
,
1696 NULL
, &cmd
->header
.id
-
1697 sw_context
->buf_start
);
1703 * vmw_cmd_set_shader - Validate an SVGA_3D_CMD_SET_SHADER
1706 * @dev_priv: Pointer to a device private struct.
1707 * @sw_context: The software context being used for this batch.
1708 * @header: Pointer to the command header in the command stream.
1710 static int vmw_cmd_set_shader(struct vmw_private
*dev_priv
,
1711 struct vmw_sw_context
*sw_context
,
1712 SVGA3dCmdHeader
*header
)
1714 struct vmw_set_shader_cmd
{
1715 SVGA3dCmdHeader header
;
1716 SVGA3dCmdSetShader body
;
1718 struct vmw_resource_val_node
*ctx_node
;
1721 cmd
= container_of(header
, struct vmw_set_shader_cmd
,
1724 ret
= vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_context
,
1725 user_context_converter
, &cmd
->body
.cid
,
1727 if (unlikely(ret
!= 0))
1730 if (dev_priv
->has_mob
) {
1731 struct vmw_ctx_bindinfo bi
;
1732 struct vmw_resource_val_node
*res_node
;
1733 u32 shid
= cmd
->body
.shid
;
1735 if (shid
!= SVGA3D_INVALID_ID
)
1736 (void) vmw_compat_shader_lookup(sw_context
->fp
->shman
,
1740 ret
= vmw_cmd_compat_res_check(dev_priv
, sw_context
,
1742 user_shader_converter
,
1744 &cmd
->body
.shid
, &res_node
);
1745 if (unlikely(ret
!= 0))
1748 bi
.ctx
= ctx_node
->res
;
1749 bi
.res
= res_node
? res_node
->res
: NULL
;
1750 bi
.bt
= vmw_ctx_binding_shader
;
1751 bi
.i1
.shader_type
= cmd
->body
.type
;
1752 return vmw_context_binding_add(ctx_node
->staged_bindings
, &bi
);
1759 * vmw_cmd_set_shader_const - Validate an SVGA_3D_CMD_SET_SHADER_CONST
1762 * @dev_priv: Pointer to a device private struct.
1763 * @sw_context: The software context being used for this batch.
1764 * @header: Pointer to the command header in the command stream.
1766 static int vmw_cmd_set_shader_const(struct vmw_private
*dev_priv
,
1767 struct vmw_sw_context
*sw_context
,
1768 SVGA3dCmdHeader
*header
)
1770 struct vmw_set_shader_const_cmd
{
1771 SVGA3dCmdHeader header
;
1772 SVGA3dCmdSetShaderConst body
;
1776 cmd
= container_of(header
, struct vmw_set_shader_const_cmd
,
1779 ret
= vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_context
,
1780 user_context_converter
, &cmd
->body
.cid
,
1782 if (unlikely(ret
!= 0))
1785 if (dev_priv
->has_mob
)
1786 header
->id
= SVGA_3D_CMD_SET_GB_SHADERCONSTS_INLINE
;
1792 * vmw_cmd_bind_gb_shader - Validate an SVGA_3D_CMD_BIND_GB_SHADER
1795 * @dev_priv: Pointer to a device private struct.
1796 * @sw_context: The software context being used for this batch.
1797 * @header: Pointer to the command header in the command stream.
1799 static int vmw_cmd_bind_gb_shader(struct vmw_private
*dev_priv
,
1800 struct vmw_sw_context
*sw_context
,
1801 SVGA3dCmdHeader
*header
)
1803 struct vmw_bind_gb_shader_cmd
{
1804 SVGA3dCmdHeader header
;
1805 SVGA3dCmdBindGBShader body
;
1808 cmd
= container_of(header
, struct vmw_bind_gb_shader_cmd
,
1811 return vmw_cmd_switch_backup(dev_priv
, sw_context
, vmw_res_shader
,
1812 user_shader_converter
,
1813 &cmd
->body
.shid
, &cmd
->body
.mobid
,
1814 cmd
->body
.offsetInBytes
);
1817 static int vmw_cmd_check_not_3d(struct vmw_private
*dev_priv
,
1818 struct vmw_sw_context
*sw_context
,
1819 void *buf
, uint32_t *size
)
1821 uint32_t size_remaining
= *size
;
1824 cmd_id
= le32_to_cpu(((uint32_t *)buf
)[0]);
1826 case SVGA_CMD_UPDATE
:
1827 *size
= sizeof(uint32_t) + sizeof(SVGAFifoCmdUpdate
);
1829 case SVGA_CMD_DEFINE_GMRFB
:
1830 *size
= sizeof(uint32_t) + sizeof(SVGAFifoCmdDefineGMRFB
);
1832 case SVGA_CMD_BLIT_GMRFB_TO_SCREEN
:
1833 *size
= sizeof(uint32_t) + sizeof(SVGAFifoCmdBlitGMRFBToScreen
);
1835 case SVGA_CMD_BLIT_SCREEN_TO_GMRFB
:
1836 *size
= sizeof(uint32_t) + sizeof(SVGAFifoCmdBlitGMRFBToScreen
);
1839 DRM_ERROR("Unsupported SVGA command: %u.\n", cmd_id
);
1843 if (*size
> size_remaining
) {
1844 DRM_ERROR("Invalid SVGA command (size mismatch):"
1849 if (unlikely(!sw_context
->kernel
)) {
1850 DRM_ERROR("Kernel only SVGA command: %u.\n", cmd_id
);
1854 if (cmd_id
== SVGA_CMD_DEFINE_GMRFB
)
1855 return vmw_cmd_check_define_gmrfb(dev_priv
, sw_context
, buf
);
1860 static const struct vmw_cmd_entry vmw_cmd_entries
[SVGA_3D_CMD_MAX
] = {
1861 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DEFINE
, &vmw_cmd_invalid
,
1862 false, false, false),
1863 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DESTROY
, &vmw_cmd_invalid
,
1864 false, false, false),
1865 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_COPY
, &vmw_cmd_surface_copy_check
,
1866 true, false, false),
1867 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_STRETCHBLT
, &vmw_cmd_stretch_blt_check
,
1868 true, false, false),
1869 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DMA
, &vmw_cmd_dma
,
1870 true, false, false),
1871 VMW_CMD_DEF(SVGA_3D_CMD_CONTEXT_DEFINE
, &vmw_cmd_invalid
,
1872 false, false, false),
1873 VMW_CMD_DEF(SVGA_3D_CMD_CONTEXT_DESTROY
, &vmw_cmd_invalid
,
1874 false, false, false),
1875 VMW_CMD_DEF(SVGA_3D_CMD_SETTRANSFORM
, &vmw_cmd_cid_check
,
1876 true, false, false),
1877 VMW_CMD_DEF(SVGA_3D_CMD_SETZRANGE
, &vmw_cmd_cid_check
,
1878 true, false, false),
1879 VMW_CMD_DEF(SVGA_3D_CMD_SETRENDERSTATE
, &vmw_cmd_cid_check
,
1880 true, false, false),
1881 VMW_CMD_DEF(SVGA_3D_CMD_SETRENDERTARGET
,
1882 &vmw_cmd_set_render_target_check
, true, false, false),
1883 VMW_CMD_DEF(SVGA_3D_CMD_SETTEXTURESTATE
, &vmw_cmd_tex_state
,
1884 true, false, false),
1885 VMW_CMD_DEF(SVGA_3D_CMD_SETMATERIAL
, &vmw_cmd_cid_check
,
1886 true, false, false),
1887 VMW_CMD_DEF(SVGA_3D_CMD_SETLIGHTDATA
, &vmw_cmd_cid_check
,
1888 true, false, false),
1889 VMW_CMD_DEF(SVGA_3D_CMD_SETLIGHTENABLED
, &vmw_cmd_cid_check
,
1890 true, false, false),
1891 VMW_CMD_DEF(SVGA_3D_CMD_SETVIEWPORT
, &vmw_cmd_cid_check
,
1892 true, false, false),
1893 VMW_CMD_DEF(SVGA_3D_CMD_SETCLIPPLANE
, &vmw_cmd_cid_check
,
1894 true, false, false),
1895 VMW_CMD_DEF(SVGA_3D_CMD_CLEAR
, &vmw_cmd_cid_check
,
1896 true, false, false),
1897 VMW_CMD_DEF(SVGA_3D_CMD_PRESENT
, &vmw_cmd_present_check
,
1898 false, false, false),
1899 VMW_CMD_DEF(SVGA_3D_CMD_SHADER_DEFINE
, &vmw_cmd_shader_define
,
1900 true, false, false),
1901 VMW_CMD_DEF(SVGA_3D_CMD_SHADER_DESTROY
, &vmw_cmd_shader_destroy
,
1902 true, false, false),
1903 VMW_CMD_DEF(SVGA_3D_CMD_SET_SHADER
, &vmw_cmd_set_shader
,
1904 true, false, false),
1905 VMW_CMD_DEF(SVGA_3D_CMD_SET_SHADER_CONST
, &vmw_cmd_set_shader_const
,
1906 true, false, false),
1907 VMW_CMD_DEF(SVGA_3D_CMD_DRAW_PRIMITIVES
, &vmw_cmd_draw
,
1908 true, false, false),
1909 VMW_CMD_DEF(SVGA_3D_CMD_SETSCISSORRECT
, &vmw_cmd_cid_check
,
1910 true, false, false),
1911 VMW_CMD_DEF(SVGA_3D_CMD_BEGIN_QUERY
, &vmw_cmd_begin_query
,
1912 true, false, false),
1913 VMW_CMD_DEF(SVGA_3D_CMD_END_QUERY
, &vmw_cmd_end_query
,
1914 true, false, false),
1915 VMW_CMD_DEF(SVGA_3D_CMD_WAIT_FOR_QUERY
, &vmw_cmd_wait_query
,
1916 true, false, false),
1917 VMW_CMD_DEF(SVGA_3D_CMD_PRESENT_READBACK
, &vmw_cmd_ok
,
1918 true, false, false),
1919 VMW_CMD_DEF(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN
,
1920 &vmw_cmd_blt_surf_screen_check
, false, false, false),
1921 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DEFINE_V2
, &vmw_cmd_invalid
,
1922 false, false, false),
1923 VMW_CMD_DEF(SVGA_3D_CMD_GENERATE_MIPMAPS
, &vmw_cmd_invalid
,
1924 false, false, false),
1925 VMW_CMD_DEF(SVGA_3D_CMD_ACTIVATE_SURFACE
, &vmw_cmd_invalid
,
1926 false, false, false),
1927 VMW_CMD_DEF(SVGA_3D_CMD_DEACTIVATE_SURFACE
, &vmw_cmd_invalid
,
1928 false, false, false),
1929 VMW_CMD_DEF(SVGA_3D_CMD_SCREEN_DMA
, &vmw_cmd_invalid
,
1930 false, false, false),
1931 VMW_CMD_DEF(SVGA_3D_CMD_SET_UNITY_SURFACE_COOKIE
, &vmw_cmd_invalid
,
1932 false, false, false),
1933 VMW_CMD_DEF(SVGA_3D_CMD_OPEN_CONTEXT_SURFACE
, &vmw_cmd_invalid
,
1934 false, false, false),
1935 VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_BITBLT
, &vmw_cmd_invalid
,
1936 false, false, false),
1937 VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_TRANSBLT
, &vmw_cmd_invalid
,
1938 false, false, false),
1939 VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_STRETCHBLT
, &vmw_cmd_invalid
,
1940 false, false, false),
1941 VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_COLORFILL
, &vmw_cmd_invalid
,
1942 false, false, false),
1943 VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_ALPHABLEND
, &vmw_cmd_invalid
,
1944 false, false, false),
1945 VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_CLEARTYPEBLEND
, &vmw_cmd_invalid
,
1946 false, false, false),
1947 VMW_CMD_DEF(SVGA_3D_CMD_SET_OTABLE_BASE
, &vmw_cmd_invalid
,
1948 false, false, true),
1949 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_OTABLE
, &vmw_cmd_invalid
,
1950 false, false, true),
1951 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_MOB
, &vmw_cmd_invalid
,
1952 false, false, true),
1953 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_MOB
, &vmw_cmd_invalid
,
1954 false, false, true),
1955 VMW_CMD_DEF(SVGA_3D_CMD_REDEFINE_GB_MOB
, &vmw_cmd_invalid
,
1956 false, false, true),
1957 VMW_CMD_DEF(SVGA_3D_CMD_UPDATE_GB_MOB_MAPPING
, &vmw_cmd_invalid
,
1958 false, false, true),
1959 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SURFACE
, &vmw_cmd_invalid
,
1960 false, false, true),
1961 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_SURFACE
, &vmw_cmd_invalid
,
1962 false, false, true),
1963 VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_SURFACE
, &vmw_cmd_bind_gb_surface
,
1965 VMW_CMD_DEF(SVGA_3D_CMD_COND_BIND_GB_SURFACE
, &vmw_cmd_invalid
,
1966 false, false, true),
1967 VMW_CMD_DEF(SVGA_3D_CMD_UPDATE_GB_IMAGE
, &vmw_cmd_update_gb_image
,
1969 VMW_CMD_DEF(SVGA_3D_CMD_UPDATE_GB_SURFACE
,
1970 &vmw_cmd_update_gb_surface
, true, false, true),
1971 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_GB_IMAGE
,
1972 &vmw_cmd_readback_gb_image
, true, false, true),
1973 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_GB_SURFACE
,
1974 &vmw_cmd_readback_gb_surface
, true, false, true),
1975 VMW_CMD_DEF(SVGA_3D_CMD_INVALIDATE_GB_IMAGE
,
1976 &vmw_cmd_invalidate_gb_image
, true, false, true),
1977 VMW_CMD_DEF(SVGA_3D_CMD_INVALIDATE_GB_SURFACE
,
1978 &vmw_cmd_invalidate_gb_surface
, true, false, true),
1979 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_CONTEXT
, &vmw_cmd_invalid
,
1980 false, false, true),
1981 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_CONTEXT
, &vmw_cmd_invalid
,
1982 false, false, true),
1983 VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_CONTEXT
, &vmw_cmd_invalid
,
1984 false, false, true),
1985 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_GB_CONTEXT
, &vmw_cmd_invalid
,
1986 false, false, true),
1987 VMW_CMD_DEF(SVGA_3D_CMD_INVALIDATE_GB_CONTEXT
, &vmw_cmd_invalid
,
1988 false, false, true),
1989 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SHADER
, &vmw_cmd_invalid
,
1990 false, false, true),
1991 VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_SHADER
, &vmw_cmd_bind_gb_shader
,
1993 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_SHADER
, &vmw_cmd_invalid
,
1994 false, false, true),
1995 VMW_CMD_DEF(SVGA_3D_CMD_SET_OTABLE_BASE64
, &vmw_cmd_invalid
,
1996 false, false, false),
1997 VMW_CMD_DEF(SVGA_3D_CMD_BEGIN_GB_QUERY
, &vmw_cmd_begin_gb_query
,
1999 VMW_CMD_DEF(SVGA_3D_CMD_END_GB_QUERY
, &vmw_cmd_end_gb_query
,
2001 VMW_CMD_DEF(SVGA_3D_CMD_WAIT_FOR_GB_QUERY
, &vmw_cmd_wait_gb_query
,
2003 VMW_CMD_DEF(SVGA_3D_CMD_NOP
, &vmw_cmd_ok
,
2005 VMW_CMD_DEF(SVGA_3D_CMD_ENABLE_GART
, &vmw_cmd_invalid
,
2006 false, false, true),
2007 VMW_CMD_DEF(SVGA_3D_CMD_DISABLE_GART
, &vmw_cmd_invalid
,
2008 false, false, true),
2009 VMW_CMD_DEF(SVGA_3D_CMD_MAP_MOB_INTO_GART
, &vmw_cmd_invalid
,
2010 false, false, true),
2011 VMW_CMD_DEF(SVGA_3D_CMD_UNMAP_GART_RANGE
, &vmw_cmd_invalid
,
2012 false, false, true),
2013 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SCREENTARGET
, &vmw_cmd_invalid
,
2014 false, false, true),
2015 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_SCREENTARGET
, &vmw_cmd_invalid
,
2016 false, false, true),
2017 VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_SCREENTARGET
, &vmw_cmd_invalid
,
2018 false, false, true),
2019 VMW_CMD_DEF(SVGA_3D_CMD_UPDATE_GB_SCREENTARGET
, &vmw_cmd_invalid
,
2020 false, false, true),
2021 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_GB_IMAGE_PARTIAL
, &vmw_cmd_invalid
,
2022 false, false, true),
2023 VMW_CMD_DEF(SVGA_3D_CMD_INVALIDATE_GB_IMAGE_PARTIAL
, &vmw_cmd_invalid
,
2024 false, false, true),
2025 VMW_CMD_DEF(SVGA_3D_CMD_SET_GB_SHADERCONSTS_INLINE
, &vmw_cmd_cid_check
,
2029 static int vmw_cmd_check(struct vmw_private
*dev_priv
,
2030 struct vmw_sw_context
*sw_context
,
2031 void *buf
, uint32_t *size
)
2034 uint32_t size_remaining
= *size
;
2035 SVGA3dCmdHeader
*header
= (SVGA3dCmdHeader
*) buf
;
2037 const struct vmw_cmd_entry
*entry
;
2038 bool gb
= dev_priv
->capabilities
& SVGA_CAP_GBOBJECTS
;
2040 cmd_id
= le32_to_cpu(((uint32_t *)buf
)[0]);
2041 /* Handle any none 3D commands */
2042 if (unlikely(cmd_id
< SVGA_CMD_MAX
))
2043 return vmw_cmd_check_not_3d(dev_priv
, sw_context
, buf
, size
);
2046 cmd_id
= le32_to_cpu(header
->id
);
2047 *size
= le32_to_cpu(header
->size
) + sizeof(SVGA3dCmdHeader
);
2049 cmd_id
-= SVGA_3D_CMD_BASE
;
2050 if (unlikely(*size
> size_remaining
))
2053 if (unlikely(cmd_id
>= SVGA_3D_CMD_MAX
- SVGA_3D_CMD_BASE
))
2056 entry
= &vmw_cmd_entries
[cmd_id
];
2057 if (unlikely(!entry
->func
))
2060 if (unlikely(!entry
->user_allow
&& !sw_context
->kernel
))
2061 goto out_privileged
;
2063 if (unlikely(entry
->gb_disable
&& gb
))
2066 if (unlikely(entry
->gb_enable
&& !gb
))
2069 ret
= entry
->func(dev_priv
, sw_context
, header
);
2070 if (unlikely(ret
!= 0))
2075 DRM_ERROR("Invalid SVGA3D command: %d\n",
2076 cmd_id
+ SVGA_3D_CMD_BASE
);
2079 DRM_ERROR("Privileged SVGA3D command: %d\n",
2080 cmd_id
+ SVGA_3D_CMD_BASE
);
2083 DRM_ERROR("Deprecated (disallowed) SVGA3D command: %d\n",
2084 cmd_id
+ SVGA_3D_CMD_BASE
);
2087 DRM_ERROR("SVGA3D command: %d not supported by virtual hardware.\n",
2088 cmd_id
+ SVGA_3D_CMD_BASE
);
2092 static int vmw_cmd_check_all(struct vmw_private
*dev_priv
,
2093 struct vmw_sw_context
*sw_context
,
2097 int32_t cur_size
= size
;
2100 sw_context
->buf_start
= buf
;
2102 while (cur_size
> 0) {
2104 ret
= vmw_cmd_check(dev_priv
, sw_context
, buf
, &size
);
2105 if (unlikely(ret
!= 0))
2107 buf
= (void *)((unsigned long) buf
+ size
);
2111 if (unlikely(cur_size
!= 0)) {
2112 DRM_ERROR("Command verifier out of sync.\n");
2119 static void vmw_free_relocations(struct vmw_sw_context
*sw_context
)
2121 sw_context
->cur_reloc
= 0;
2124 static void vmw_apply_relocations(struct vmw_sw_context
*sw_context
)
2127 struct vmw_relocation
*reloc
;
2128 struct ttm_validate_buffer
*validate
;
2129 struct ttm_buffer_object
*bo
;
2131 for (i
= 0; i
< sw_context
->cur_reloc
; ++i
) {
2132 reloc
= &sw_context
->relocs
[i
];
2133 validate
= &sw_context
->val_bufs
[reloc
->index
].base
;
2135 switch (bo
->mem
.mem_type
) {
2137 reloc
->location
->offset
+= bo
->offset
;
2138 reloc
->location
->gmrId
= SVGA_GMR_FRAMEBUFFER
;
2141 reloc
->location
->gmrId
= bo
->mem
.start
;
2144 *reloc
->mob_loc
= bo
->mem
.start
;
2150 vmw_free_relocations(sw_context
);
2154 * vmw_resource_list_unrefererence - Free up a resource list and unreference
2155 * all resources referenced by it.
2157 * @list: The resource list.
2159 static void vmw_resource_list_unreference(struct list_head
*list
)
2161 struct vmw_resource_val_node
*val
, *val_next
;
2164 * Drop references to resources held during command submission.
2167 list_for_each_entry_safe(val
, val_next
, list
, head
) {
2168 list_del_init(&val
->head
);
2169 vmw_resource_unreference(&val
->res
);
2170 if (unlikely(val
->staged_bindings
))
2171 kfree(val
->staged_bindings
);
2176 static void vmw_clear_validations(struct vmw_sw_context
*sw_context
)
2178 struct vmw_validate_buffer
*entry
, *next
;
2179 struct vmw_resource_val_node
*val
;
2182 * Drop references to DMA buffers held during command submission.
2184 list_for_each_entry_safe(entry
, next
, &sw_context
->validate_nodes
,
2186 list_del(&entry
->base
.head
);
2187 ttm_bo_unref(&entry
->base
.bo
);
2188 (void) drm_ht_remove_item(&sw_context
->res_ht
, &entry
->hash
);
2189 sw_context
->cur_val_buf
--;
2191 BUG_ON(sw_context
->cur_val_buf
!= 0);
2193 list_for_each_entry(val
, &sw_context
->resource_list
, head
)
2194 (void) drm_ht_remove_item(&sw_context
->res_ht
, &val
->hash
);
2197 static int vmw_validate_single_buffer(struct vmw_private
*dev_priv
,
2198 struct ttm_buffer_object
*bo
,
2199 bool validate_as_mob
)
2205 * Don't validate pinned buffers.
2208 if (bo
== dev_priv
->pinned_bo
||
2209 (bo
== dev_priv
->dummy_query_bo
&&
2210 dev_priv
->dummy_query_bo_pinned
))
2213 if (validate_as_mob
)
2214 return ttm_bo_validate(bo
, &vmw_mob_placement
, true, false);
2217 * Put BO in VRAM if there is space, otherwise as a GMR.
2218 * If there is no space in VRAM and GMR ids are all used up,
2219 * start evicting GMRs to make room. If the DMA buffer can't be
2220 * used as a GMR, this will return -ENOMEM.
2223 ret
= ttm_bo_validate(bo
, &vmw_vram_gmr_placement
, true, false);
2224 if (likely(ret
== 0 || ret
== -ERESTARTSYS
))
2228 * If that failed, try VRAM again, this time evicting
2229 * previous contents.
2232 DRM_INFO("Falling through to VRAM.\n");
2233 ret
= ttm_bo_validate(bo
, &vmw_vram_placement
, true, false);
2237 static int vmw_validate_buffers(struct vmw_private
*dev_priv
,
2238 struct vmw_sw_context
*sw_context
)
2240 struct vmw_validate_buffer
*entry
;
2243 list_for_each_entry(entry
, &sw_context
->validate_nodes
, base
.head
) {
2244 ret
= vmw_validate_single_buffer(dev_priv
, entry
->base
.bo
,
2245 entry
->validate_as_mob
);
2246 if (unlikely(ret
!= 0))
2252 static int vmw_resize_cmd_bounce(struct vmw_sw_context
*sw_context
,
2255 if (likely(sw_context
->cmd_bounce_size
>= size
))
2258 if (sw_context
->cmd_bounce_size
== 0)
2259 sw_context
->cmd_bounce_size
= VMWGFX_CMD_BOUNCE_INIT_SIZE
;
2261 while (sw_context
->cmd_bounce_size
< size
) {
2262 sw_context
->cmd_bounce_size
=
2263 PAGE_ALIGN(sw_context
->cmd_bounce_size
+
2264 (sw_context
->cmd_bounce_size
>> 1));
2267 if (sw_context
->cmd_bounce
!= NULL
)
2268 vfree(sw_context
->cmd_bounce
);
2270 sw_context
->cmd_bounce
= vmalloc(sw_context
->cmd_bounce_size
);
2272 if (sw_context
->cmd_bounce
== NULL
) {
2273 DRM_ERROR("Failed to allocate command bounce buffer.\n");
2274 sw_context
->cmd_bounce_size
= 0;
2282 * vmw_execbuf_fence_commands - create and submit a command stream fence
2284 * Creates a fence object and submits a command stream marker.
2285 * If this fails for some reason, We sync the fifo and return NULL.
2286 * It is then safe to fence buffers with a NULL pointer.
2288 * If @p_handle is not NULL @file_priv must also not be NULL. Creates
2289 * a userspace handle if @p_handle is not NULL, otherwise not.
2292 int vmw_execbuf_fence_commands(struct drm_file
*file_priv
,
2293 struct vmw_private
*dev_priv
,
2294 struct vmw_fence_obj
**p_fence
,
2299 bool synced
= false;
2301 /* p_handle implies file_priv. */
2302 BUG_ON(p_handle
!= NULL
&& file_priv
== NULL
);
2304 ret
= vmw_fifo_send_fence(dev_priv
, &sequence
);
2305 if (unlikely(ret
!= 0)) {
2306 DRM_ERROR("Fence submission error. Syncing.\n");
2310 if (p_handle
!= NULL
)
2311 ret
= vmw_user_fence_create(file_priv
, dev_priv
->fman
,
2313 DRM_VMW_FENCE_FLAG_EXEC
,
2316 ret
= vmw_fence_create(dev_priv
->fman
, sequence
,
2317 DRM_VMW_FENCE_FLAG_EXEC
,
2320 if (unlikely(ret
!= 0 && !synced
)) {
2321 (void) vmw_fallback_wait(dev_priv
, false, false,
2323 VMW_FENCE_WAIT_TIMEOUT
);
2331 * vmw_execbuf_copy_fence_user - copy fence object information to
2334 * @dev_priv: Pointer to a vmw_private struct.
2335 * @vmw_fp: Pointer to the struct vmw_fpriv representing the calling file.
2336 * @ret: Return value from fence object creation.
2337 * @user_fence_rep: User space address of a struct drm_vmw_fence_rep to
2338 * which the information should be copied.
2339 * @fence: Pointer to the fenc object.
2340 * @fence_handle: User-space fence handle.
2342 * This function copies fence information to user-space. If copying fails,
2343 * The user-space struct drm_vmw_fence_rep::error member is hopefully
2344 * left untouched, and if it's preloaded with an -EFAULT by user-space,
2345 * the error will hopefully be detected.
2346 * Also if copying fails, user-space will be unable to signal the fence
2347 * object so we wait for it immediately, and then unreference the
2348 * user-space reference.
2351 vmw_execbuf_copy_fence_user(struct vmw_private
*dev_priv
,
2352 struct vmw_fpriv
*vmw_fp
,
2354 struct drm_vmw_fence_rep __user
*user_fence_rep
,
2355 struct vmw_fence_obj
*fence
,
2356 uint32_t fence_handle
)
2358 struct drm_vmw_fence_rep fence_rep
;
2360 if (user_fence_rep
== NULL
)
2363 memset(&fence_rep
, 0, sizeof(fence_rep
));
2365 fence_rep
.error
= ret
;
2367 BUG_ON(fence
== NULL
);
2369 fence_rep
.handle
= fence_handle
;
2370 fence_rep
.seqno
= fence
->seqno
;
2371 vmw_update_seqno(dev_priv
, &dev_priv
->fifo
);
2372 fence_rep
.passed_seqno
= dev_priv
->last_read_seqno
;
2376 * copy_to_user errors will be detected by user space not
2377 * seeing fence_rep::error filled in. Typically
2378 * user-space would have pre-set that member to -EFAULT.
2380 ret
= copy_to_user(user_fence_rep
, &fence_rep
,
2384 * User-space lost the fence object. We need to sync
2385 * and unreference the handle.
2387 if (unlikely(ret
!= 0) && (fence_rep
.error
== 0)) {
2388 ttm_ref_object_base_unref(vmw_fp
->tfile
,
2389 fence_handle
, TTM_REF_USAGE
);
2390 DRM_ERROR("Fence copy error. Syncing.\n");
2391 (void) vmw_fence_obj_wait(fence
, fence
->signal_mask
,
2393 VMW_FENCE_WAIT_TIMEOUT
);
2397 int vmw_execbuf_process(struct drm_file
*file_priv
,
2398 struct vmw_private
*dev_priv
,
2399 void __user
*user_commands
,
2400 void *kernel_commands
,
2401 uint32_t command_size
,
2402 uint64_t throttle_us
,
2403 struct drm_vmw_fence_rep __user
*user_fence_rep
,
2404 struct vmw_fence_obj
**out_fence
)
2406 struct vmw_sw_context
*sw_context
= &dev_priv
->ctx
;
2407 struct vmw_fence_obj
*fence
= NULL
;
2408 struct vmw_resource
*error_resource
;
2409 struct list_head resource_list
;
2410 struct ww_acquire_ctx ticket
;
2415 ret
= mutex_lock_interruptible(&dev_priv
->cmdbuf_mutex
);
2416 if (unlikely(ret
!= 0))
2417 return -ERESTARTSYS
;
2419 if (kernel_commands
== NULL
) {
2420 sw_context
->kernel
= false;
2422 ret
= vmw_resize_cmd_bounce(sw_context
, command_size
);
2423 if (unlikely(ret
!= 0))
2427 ret
= copy_from_user(sw_context
->cmd_bounce
,
2428 user_commands
, command_size
);
2430 if (unlikely(ret
!= 0)) {
2432 DRM_ERROR("Failed copying commands.\n");
2435 kernel_commands
= sw_context
->cmd_bounce
;
2437 sw_context
->kernel
= true;
2439 sw_context
->fp
= vmw_fpriv(file_priv
);
2440 sw_context
->cur_reloc
= 0;
2441 sw_context
->cur_val_buf
= 0;
2442 sw_context
->fence_flags
= 0;
2443 INIT_LIST_HEAD(&sw_context
->resource_list
);
2444 sw_context
->cur_query_bo
= dev_priv
->pinned_bo
;
2445 sw_context
->last_query_ctx
= NULL
;
2446 sw_context
->needs_post_query_barrier
= false;
2447 memset(sw_context
->res_cache
, 0, sizeof(sw_context
->res_cache
));
2448 INIT_LIST_HEAD(&sw_context
->validate_nodes
);
2449 INIT_LIST_HEAD(&sw_context
->res_relocations
);
2450 if (!sw_context
->res_ht_initialized
) {
2451 ret
= drm_ht_create(&sw_context
->res_ht
, VMW_RES_HT_ORDER
);
2452 if (unlikely(ret
!= 0))
2454 sw_context
->res_ht_initialized
= true;
2456 INIT_LIST_HEAD(&sw_context
->staged_shaders
);
2458 INIT_LIST_HEAD(&resource_list
);
2459 ret
= vmw_cmd_check_all(dev_priv
, sw_context
, kernel_commands
,
2461 if (unlikely(ret
!= 0))
2464 ret
= vmw_resources_reserve(sw_context
);
2465 if (unlikely(ret
!= 0))
2468 ret
= ttm_eu_reserve_buffers(&ticket
, &sw_context
->validate_nodes
);
2469 if (unlikely(ret
!= 0))
2472 ret
= vmw_validate_buffers(dev_priv
, sw_context
);
2473 if (unlikely(ret
!= 0))
2476 ret
= vmw_resources_validate(sw_context
);
2477 if (unlikely(ret
!= 0))
2481 ret
= vmw_wait_lag(dev_priv
, &dev_priv
->fifo
.marker_queue
,
2484 if (unlikely(ret
!= 0))
2488 ret
= mutex_lock_interruptible(&dev_priv
->binding_mutex
);
2489 if (unlikely(ret
!= 0)) {
2494 if (dev_priv
->has_mob
) {
2495 ret
= vmw_rebind_contexts(sw_context
);
2496 if (unlikely(ret
!= 0))
2497 goto out_unlock_binding
;
2500 cmd
= vmw_fifo_reserve(dev_priv
, command_size
);
2501 if (unlikely(cmd
== NULL
)) {
2502 DRM_ERROR("Failed reserving fifo space for commands.\n");
2504 goto out_unlock_binding
;
2507 vmw_apply_relocations(sw_context
);
2508 memcpy(cmd
, kernel_commands
, command_size
);
2510 vmw_resource_relocations_apply(cmd
, &sw_context
->res_relocations
);
2511 vmw_resource_relocations_free(&sw_context
->res_relocations
);
2513 vmw_fifo_commit(dev_priv
, command_size
);
2515 vmw_query_bo_switch_commit(dev_priv
, sw_context
);
2516 ret
= vmw_execbuf_fence_commands(file_priv
, dev_priv
,
2518 (user_fence_rep
) ? &handle
: NULL
);
2520 * This error is harmless, because if fence submission fails,
2521 * vmw_fifo_send_fence will sync. The error will be propagated to
2522 * user-space in @fence_rep
2526 DRM_ERROR("Fence submission error. Syncing.\n");
2528 vmw_resource_list_unreserve(&sw_context
->resource_list
, false);
2529 mutex_unlock(&dev_priv
->binding_mutex
);
2531 ttm_eu_fence_buffer_objects(&ticket
, &sw_context
->validate_nodes
,
2534 if (unlikely(dev_priv
->pinned_bo
!= NULL
&&
2535 !dev_priv
->query_cid_valid
))
2536 __vmw_execbuf_release_pinned_bo(dev_priv
, fence
);
2538 vmw_clear_validations(sw_context
);
2539 vmw_execbuf_copy_fence_user(dev_priv
, vmw_fpriv(file_priv
), ret
,
2540 user_fence_rep
, fence
, handle
);
2542 /* Don't unreference when handing fence out */
2543 if (unlikely(out_fence
!= NULL
)) {
2546 } else if (likely(fence
!= NULL
)) {
2547 vmw_fence_obj_unreference(&fence
);
2550 list_splice_init(&sw_context
->resource_list
, &resource_list
);
2551 vmw_compat_shaders_commit(sw_context
->fp
->shman
,
2552 &sw_context
->staged_shaders
);
2553 mutex_unlock(&dev_priv
->cmdbuf_mutex
);
2556 * Unreference resources outside of the cmdbuf_mutex to
2557 * avoid deadlocks in resource destruction paths.
2559 vmw_resource_list_unreference(&resource_list
);
2564 mutex_unlock(&dev_priv
->binding_mutex
);
2566 ttm_eu_backoff_reservation(&ticket
, &sw_context
->validate_nodes
);
2568 vmw_resource_list_unreserve(&sw_context
->resource_list
, true);
2569 vmw_resource_relocations_free(&sw_context
->res_relocations
);
2570 vmw_free_relocations(sw_context
);
2571 vmw_clear_validations(sw_context
);
2572 if (unlikely(dev_priv
->pinned_bo
!= NULL
&&
2573 !dev_priv
->query_cid_valid
))
2574 __vmw_execbuf_release_pinned_bo(dev_priv
, NULL
);
2576 list_splice_init(&sw_context
->resource_list
, &resource_list
);
2577 error_resource
= sw_context
->error_resource
;
2578 sw_context
->error_resource
= NULL
;
2579 vmw_compat_shaders_revert(sw_context
->fp
->shman
,
2580 &sw_context
->staged_shaders
);
2581 mutex_unlock(&dev_priv
->cmdbuf_mutex
);
2584 * Unreference resources outside of the cmdbuf_mutex to
2585 * avoid deadlocks in resource destruction paths.
2587 vmw_resource_list_unreference(&resource_list
);
2588 if (unlikely(error_resource
!= NULL
))
2589 vmw_resource_unreference(&error_resource
);
2595 * vmw_execbuf_unpin_panic - Idle the fifo and unpin the query buffer.
2597 * @dev_priv: The device private structure.
2599 * This function is called to idle the fifo and unpin the query buffer
2600 * if the normal way to do this hits an error, which should typically be
2603 static void vmw_execbuf_unpin_panic(struct vmw_private
*dev_priv
)
2605 DRM_ERROR("Can't unpin query buffer. Trying to recover.\n");
2607 (void) vmw_fallback_wait(dev_priv
, false, true, 0, false, 10*HZ
);
2608 vmw_bo_pin(dev_priv
->pinned_bo
, false);
2609 vmw_bo_pin(dev_priv
->dummy_query_bo
, false);
2610 dev_priv
->dummy_query_bo_pinned
= false;
2615 * __vmw_execbuf_release_pinned_bo - Flush queries and unpin the pinned
2618 * @dev_priv: The device private structure.
2619 * @fence: If non-NULL should point to a struct vmw_fence_obj issued
2620 * _after_ a query barrier that flushes all queries touching the current
2621 * buffer pointed to by @dev_priv->pinned_bo
2623 * This function should be used to unpin the pinned query bo, or
2624 * as a query barrier when we need to make sure that all queries have
2625 * finished before the next fifo command. (For example on hardware
2626 * context destructions where the hardware may otherwise leak unfinished
2629 * This function does not return any failure codes, but make attempts
2630 * to do safe unpinning in case of errors.
2632 * The function will synchronize on the previous query barrier, and will
2633 * thus not finish until that barrier has executed.
2635 * the @dev_priv->cmdbuf_mutex needs to be held by the current thread
2636 * before calling this function.
2638 void __vmw_execbuf_release_pinned_bo(struct vmw_private
*dev_priv
,
2639 struct vmw_fence_obj
*fence
)
2642 struct list_head validate_list
;
2643 struct ttm_validate_buffer pinned_val
, query_val
;
2644 struct vmw_fence_obj
*lfence
= NULL
;
2645 struct ww_acquire_ctx ticket
;
2647 if (dev_priv
->pinned_bo
== NULL
)
2650 INIT_LIST_HEAD(&validate_list
);
2652 pinned_val
.bo
= ttm_bo_reference(dev_priv
->pinned_bo
);
2653 list_add_tail(&pinned_val
.head
, &validate_list
);
2655 query_val
.bo
= ttm_bo_reference(dev_priv
->dummy_query_bo
);
2656 list_add_tail(&query_val
.head
, &validate_list
);
2659 ret
= ttm_eu_reserve_buffers(&ticket
, &validate_list
);
2660 } while (ret
== -ERESTARTSYS
);
2662 if (unlikely(ret
!= 0)) {
2663 vmw_execbuf_unpin_panic(dev_priv
);
2664 goto out_no_reserve
;
2667 if (dev_priv
->query_cid_valid
) {
2668 BUG_ON(fence
!= NULL
);
2669 ret
= vmw_fifo_emit_dummy_query(dev_priv
, dev_priv
->query_cid
);
2670 if (unlikely(ret
!= 0)) {
2671 vmw_execbuf_unpin_panic(dev_priv
);
2674 dev_priv
->query_cid_valid
= false;
2677 vmw_bo_pin(dev_priv
->pinned_bo
, false);
2678 vmw_bo_pin(dev_priv
->dummy_query_bo
, false);
2679 dev_priv
->dummy_query_bo_pinned
= false;
2681 if (fence
== NULL
) {
2682 (void) vmw_execbuf_fence_commands(NULL
, dev_priv
, &lfence
,
2686 ttm_eu_fence_buffer_objects(&ticket
, &validate_list
, (void *) fence
);
2688 vmw_fence_obj_unreference(&lfence
);
2690 ttm_bo_unref(&query_val
.bo
);
2691 ttm_bo_unref(&pinned_val
.bo
);
2692 ttm_bo_unref(&dev_priv
->pinned_bo
);
2698 ttm_eu_backoff_reservation(&ticket
, &validate_list
);
2700 ttm_bo_unref(&query_val
.bo
);
2701 ttm_bo_unref(&pinned_val
.bo
);
2702 ttm_bo_unref(&dev_priv
->pinned_bo
);
2706 * vmw_execbuf_release_pinned_bo - Flush queries and unpin the pinned
2709 * @dev_priv: The device private structure.
2711 * This function should be used to unpin the pinned query bo, or
2712 * as a query barrier when we need to make sure that all queries have
2713 * finished before the next fifo command. (For example on hardware
2714 * context destructions where the hardware may otherwise leak unfinished
2717 * This function does not return any failure codes, but make attempts
2718 * to do safe unpinning in case of errors.
2720 * The function will synchronize on the previous query barrier, and will
2721 * thus not finish until that barrier has executed.
2723 void vmw_execbuf_release_pinned_bo(struct vmw_private
*dev_priv
)
2725 mutex_lock(&dev_priv
->cmdbuf_mutex
);
2726 if (dev_priv
->query_cid_valid
)
2727 __vmw_execbuf_release_pinned_bo(dev_priv
, NULL
);
2728 mutex_unlock(&dev_priv
->cmdbuf_mutex
);
2732 int vmw_execbuf_ioctl(struct drm_device
*dev
, void *data
,
2733 struct drm_file
*file_priv
)
2735 struct vmw_private
*dev_priv
= vmw_priv(dev
);
2736 struct drm_vmw_execbuf_arg
*arg
= (struct drm_vmw_execbuf_arg
*)data
;
2740 * This will allow us to extend the ioctl argument while
2741 * maintaining backwards compatibility:
2742 * We take different code paths depending on the value of
2746 if (unlikely(arg
->version
!= DRM_VMW_EXECBUF_VERSION
)) {
2747 DRM_ERROR("Incorrect execbuf version.\n");
2748 DRM_ERROR("You're running outdated experimental "
2749 "vmwgfx user-space drivers.");
2753 ret
= ttm_read_lock(&dev_priv
->reservation_sem
, true);
2754 if (unlikely(ret
!= 0))
2757 ret
= vmw_execbuf_process(file_priv
, dev_priv
,
2758 (void __user
*)(unsigned long)arg
->commands
,
2759 NULL
, arg
->command_size
, arg
->throttle_us
,
2760 (void __user
*)(unsigned long)arg
->fence_rep
,
2763 if (unlikely(ret
!= 0))
2766 vmw_kms_cursor_post_execbuf(dev_priv
);
2769 ttm_read_unlock(&dev_priv
->reservation_sem
);