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 vmw_dma_buffer
*vbo
,
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) vbo
,
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) vbo
;
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(&vbo
->base
);
349 val_buf
->shared
= false;
350 list_add_tail(&val_buf
->head
, &sw_context
->validate_nodes
);
351 vval_buf
->validate_as_mob
= validate_as_mob
;
355 *p_val_node
= val_node
;
361 * vmw_resources_reserve - Reserve all resources on the sw_context's
364 * @sw_context: Pointer to the software context.
366 * Note that since vmware's command submission currently is protected by
367 * the cmdbuf mutex, no fancy deadlock avoidance is required for resources,
368 * since only a single thread at once will attempt this.
370 static int vmw_resources_reserve(struct vmw_sw_context
*sw_context
)
372 struct vmw_resource_val_node
*val
;
375 list_for_each_entry(val
, &sw_context
->resource_list
, head
) {
376 struct vmw_resource
*res
= val
->res
;
378 ret
= vmw_resource_reserve(res
, val
->no_buffer_needed
);
379 if (unlikely(ret
!= 0))
383 struct vmw_dma_buffer
*vbo
= res
->backup
;
385 ret
= vmw_bo_to_validate_list
387 vmw_resource_needs_backup(res
), NULL
);
389 if (unlikely(ret
!= 0))
397 * vmw_resources_validate - Validate all resources on the sw_context's
400 * @sw_context: Pointer to the software context.
402 * Before this function is called, all resource backup buffers must have
405 static int vmw_resources_validate(struct vmw_sw_context
*sw_context
)
407 struct vmw_resource_val_node
*val
;
410 list_for_each_entry(val
, &sw_context
->resource_list
, head
) {
411 struct vmw_resource
*res
= val
->res
;
413 ret
= vmw_resource_validate(res
);
414 if (unlikely(ret
!= 0)) {
415 if (ret
!= -ERESTARTSYS
)
416 DRM_ERROR("Failed to validate resource.\n");
425 * vmw_cmd_res_reloc_add - Add a resource to a software context's
426 * relocation- and validation lists.
428 * @dev_priv: Pointer to a struct vmw_private identifying the device.
429 * @sw_context: Pointer to the software context.
430 * @res_type: Resource type.
431 * @id_loc: Pointer to where the id that needs translation is located.
432 * @res: Valid pointer to a struct vmw_resource.
433 * @p_val: If non null, a pointer to the struct vmw_resource_validate_node
434 * used for this resource is returned here.
436 static int vmw_cmd_res_reloc_add(struct vmw_private
*dev_priv
,
437 struct vmw_sw_context
*sw_context
,
438 enum vmw_res_type res_type
,
440 struct vmw_resource
*res
,
441 struct vmw_resource_val_node
**p_val
)
444 struct vmw_resource_val_node
*node
;
447 ret
= vmw_resource_relocation_add(&sw_context
->res_relocations
,
449 id_loc
- sw_context
->buf_start
);
450 if (unlikely(ret
!= 0))
453 ret
= vmw_resource_val_add(sw_context
, res
, &node
);
454 if (unlikely(ret
!= 0))
457 if (res_type
== vmw_res_context
&& dev_priv
->has_mob
&&
461 * Put contexts first on the list to be able to exit
462 * list traversal for contexts early.
464 list_del(&node
->head
);
465 list_add(&node
->head
, &sw_context
->resource_list
);
467 ret
= vmw_resource_context_res_add(dev_priv
, sw_context
, res
);
468 if (unlikely(ret
!= 0))
470 node
->staged_bindings
=
471 kzalloc(sizeof(*node
->staged_bindings
), GFP_KERNEL
);
472 if (node
->staged_bindings
== NULL
) {
473 DRM_ERROR("Failed to allocate context binding "
477 INIT_LIST_HEAD(&node
->staged_bindings
->list
);
488 * vmw_cmd_res_check - Check that a resource is present and if so, put it
489 * on the resource validate list unless it's already there.
491 * @dev_priv: Pointer to a device private structure.
492 * @sw_context: Pointer to the software context.
493 * @res_type: Resource type.
494 * @converter: User-space visisble type specific information.
495 * @id_loc: Pointer to the location in the command buffer currently being
496 * parsed from where the user-space resource id handle is located.
497 * @p_val: Pointer to pointer to resource validalidation node. Populated
501 vmw_cmd_res_check(struct vmw_private
*dev_priv
,
502 struct vmw_sw_context
*sw_context
,
503 enum vmw_res_type res_type
,
504 const struct vmw_user_resource_conv
*converter
,
506 struct vmw_resource_val_node
**p_val
)
508 struct vmw_res_cache_entry
*rcache
=
509 &sw_context
->res_cache
[res_type
];
510 struct vmw_resource
*res
;
511 struct vmw_resource_val_node
*node
;
514 if (*id_loc
== SVGA3D_INVALID_ID
) {
517 if (res_type
== vmw_res_context
) {
518 DRM_ERROR("Illegal context invalid id.\n");
525 * Fastpath in case of repeated commands referencing the same
529 if (likely(rcache
->valid
&& *id_loc
== rcache
->handle
)) {
530 const struct vmw_resource
*res
= rcache
->res
;
532 rcache
->node
->first_usage
= false;
534 *p_val
= rcache
->node
;
536 return vmw_resource_relocation_add
537 (&sw_context
->res_relocations
, res
,
538 id_loc
- sw_context
->buf_start
);
541 ret
= vmw_user_resource_lookup_handle(dev_priv
,
542 sw_context
->fp
->tfile
,
546 if (unlikely(ret
!= 0)) {
547 DRM_ERROR("Could not find or use resource 0x%08x.\n",
553 rcache
->valid
= true;
555 rcache
->handle
= *id_loc
;
557 ret
= vmw_cmd_res_reloc_add(dev_priv
, sw_context
, res_type
, id_loc
,
559 if (unlikely(ret
!= 0))
565 vmw_resource_unreference(&res
);
569 BUG_ON(sw_context
->error_resource
!= NULL
);
570 sw_context
->error_resource
= res
;
576 * vmw_rebind_contexts - Rebind all resources previously bound to
577 * referenced contexts.
579 * @sw_context: Pointer to the software context.
581 * Rebind context binding points that have been scrubbed because of eviction.
583 static int vmw_rebind_contexts(struct vmw_sw_context
*sw_context
)
585 struct vmw_resource_val_node
*val
;
588 list_for_each_entry(val
, &sw_context
->resource_list
, head
) {
589 if (unlikely(!val
->staged_bindings
))
592 ret
= vmw_context_rebind_all(val
->res
);
593 if (unlikely(ret
!= 0)) {
594 if (ret
!= -ERESTARTSYS
)
595 DRM_ERROR("Failed to rebind context.\n");
604 * vmw_cmd_cid_check - Check a command header for valid context information.
606 * @dev_priv: Pointer to a device private structure.
607 * @sw_context: Pointer to the software context.
608 * @header: A command header with an embedded user-space context handle.
610 * Convenience function: Call vmw_cmd_res_check with the user-space context
611 * handle embedded in @header.
613 static int vmw_cmd_cid_check(struct vmw_private
*dev_priv
,
614 struct vmw_sw_context
*sw_context
,
615 SVGA3dCmdHeader
*header
)
618 SVGA3dCmdHeader header
;
622 cmd
= container_of(header
, struct vmw_cid_cmd
, header
);
623 return vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_context
,
624 user_context_converter
, &cmd
->cid
, NULL
);
627 static int vmw_cmd_set_render_target_check(struct vmw_private
*dev_priv
,
628 struct vmw_sw_context
*sw_context
,
629 SVGA3dCmdHeader
*header
)
632 SVGA3dCmdHeader header
;
633 SVGA3dCmdSetRenderTarget body
;
635 struct vmw_resource_val_node
*ctx_node
;
636 struct vmw_resource_val_node
*res_node
;
639 cmd
= container_of(header
, struct vmw_sid_cmd
, header
);
641 ret
= vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_context
,
642 user_context_converter
, &cmd
->body
.cid
,
644 if (unlikely(ret
!= 0))
647 ret
= vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_surface
,
648 user_surface_converter
,
649 &cmd
->body
.target
.sid
, &res_node
);
650 if (unlikely(ret
!= 0))
653 if (dev_priv
->has_mob
) {
654 struct vmw_ctx_bindinfo bi
;
656 bi
.ctx
= ctx_node
->res
;
657 bi
.res
= res_node
? res_node
->res
: NULL
;
658 bi
.bt
= vmw_ctx_binding_rt
;
659 bi
.i1
.rt_type
= cmd
->body
.type
;
660 return vmw_context_binding_add(ctx_node
->staged_bindings
, &bi
);
666 static int vmw_cmd_surface_copy_check(struct vmw_private
*dev_priv
,
667 struct vmw_sw_context
*sw_context
,
668 SVGA3dCmdHeader
*header
)
671 SVGA3dCmdHeader header
;
672 SVGA3dCmdSurfaceCopy body
;
676 cmd
= container_of(header
, struct vmw_sid_cmd
, header
);
678 if (!(sw_context
->quirks
& VMW_QUIRK_SRC_SID_OK
)) {
679 ret
= vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_surface
,
680 user_surface_converter
,
681 &cmd
->body
.src
.sid
, NULL
);
686 if (sw_context
->quirks
& VMW_QUIRK_DST_SID_OK
)
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_stretch_blt_check(struct vmw_private
*dev_priv
,
695 struct vmw_sw_context
*sw_context
,
696 SVGA3dCmdHeader
*header
)
699 SVGA3dCmdHeader header
;
700 SVGA3dCmdSurfaceStretchBlt body
;
704 cmd
= container_of(header
, struct vmw_sid_cmd
, header
);
705 ret
= vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_surface
,
706 user_surface_converter
,
707 &cmd
->body
.src
.sid
, NULL
);
708 if (unlikely(ret
!= 0))
710 return vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_surface
,
711 user_surface_converter
,
712 &cmd
->body
.dest
.sid
, NULL
);
715 static int vmw_cmd_blt_surf_screen_check(struct vmw_private
*dev_priv
,
716 struct vmw_sw_context
*sw_context
,
717 SVGA3dCmdHeader
*header
)
720 SVGA3dCmdHeader header
;
721 SVGA3dCmdBlitSurfaceToScreen body
;
724 cmd
= container_of(header
, struct vmw_sid_cmd
, header
);
726 return vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_surface
,
727 user_surface_converter
,
728 &cmd
->body
.srcImage
.sid
, NULL
);
731 static int vmw_cmd_present_check(struct vmw_private
*dev_priv
,
732 struct vmw_sw_context
*sw_context
,
733 SVGA3dCmdHeader
*header
)
736 SVGA3dCmdHeader header
;
737 SVGA3dCmdPresent body
;
741 cmd
= container_of(header
, struct vmw_sid_cmd
, header
);
743 return vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_surface
,
744 user_surface_converter
, &cmd
->body
.sid
,
749 * vmw_query_bo_switch_prepare - Prepare to switch pinned buffer for queries.
751 * @dev_priv: The device private structure.
752 * @new_query_bo: The new buffer holding query results.
753 * @sw_context: The software context used for this command submission.
755 * This function checks whether @new_query_bo is suitable for holding
756 * query results, and if another buffer currently is pinned for query
757 * results. If so, the function prepares the state of @sw_context for
758 * switching pinned buffers after successful submission of the current
761 static int vmw_query_bo_switch_prepare(struct vmw_private
*dev_priv
,
762 struct vmw_dma_buffer
*new_query_bo
,
763 struct vmw_sw_context
*sw_context
)
765 struct vmw_res_cache_entry
*ctx_entry
=
766 &sw_context
->res_cache
[vmw_res_context
];
769 BUG_ON(!ctx_entry
->valid
);
770 sw_context
->last_query_ctx
= ctx_entry
->res
;
772 if (unlikely(new_query_bo
!= sw_context
->cur_query_bo
)) {
774 if (unlikely(new_query_bo
->base
.num_pages
> 4)) {
775 DRM_ERROR("Query buffer too large.\n");
779 if (unlikely(sw_context
->cur_query_bo
!= NULL
)) {
780 sw_context
->needs_post_query_barrier
= true;
781 ret
= vmw_bo_to_validate_list(sw_context
,
782 sw_context
->cur_query_bo
,
783 dev_priv
->has_mob
, NULL
);
784 if (unlikely(ret
!= 0))
787 sw_context
->cur_query_bo
= new_query_bo
;
789 ret
= vmw_bo_to_validate_list(sw_context
,
790 dev_priv
->dummy_query_bo
,
791 dev_priv
->has_mob
, NULL
);
792 if (unlikely(ret
!= 0))
802 * vmw_query_bo_switch_commit - Finalize switching pinned query buffer
804 * @dev_priv: The device private structure.
805 * @sw_context: The software context used for this command submission batch.
807 * This function will check if we're switching query buffers, and will then,
808 * issue a dummy occlusion query wait used as a query barrier. When the fence
809 * object following that query wait has signaled, we are sure that all
810 * preceding queries have finished, and the old query buffer can be unpinned.
811 * However, since both the new query buffer and the old one are fenced with
812 * that fence, we can do an asynchronus unpin now, and be sure that the
813 * old query buffer won't be moved until the fence has signaled.
815 * As mentioned above, both the new - and old query buffers need to be fenced
816 * using a sequence emitted *after* calling this function.
818 static void vmw_query_bo_switch_commit(struct vmw_private
*dev_priv
,
819 struct vmw_sw_context
*sw_context
)
822 * The validate list should still hold references to all
826 if (sw_context
->needs_post_query_barrier
) {
827 struct vmw_res_cache_entry
*ctx_entry
=
828 &sw_context
->res_cache
[vmw_res_context
];
829 struct vmw_resource
*ctx
;
832 BUG_ON(!ctx_entry
->valid
);
833 ctx
= ctx_entry
->res
;
835 ret
= vmw_fifo_emit_dummy_query(dev_priv
, ctx
->id
);
837 if (unlikely(ret
!= 0))
838 DRM_ERROR("Out of fifo space for dummy query.\n");
841 if (dev_priv
->pinned_bo
!= sw_context
->cur_query_bo
) {
842 if (dev_priv
->pinned_bo
) {
843 vmw_bo_pin_reserved(dev_priv
->pinned_bo
, false);
844 vmw_dmabuf_unreference(&dev_priv
->pinned_bo
);
847 if (!sw_context
->needs_post_query_barrier
) {
848 vmw_bo_pin_reserved(sw_context
->cur_query_bo
, true);
851 * We pin also the dummy_query_bo buffer so that we
852 * don't need to validate it when emitting
853 * dummy queries in context destroy paths.
856 if (!dev_priv
->dummy_query_bo_pinned
) {
857 vmw_bo_pin_reserved(dev_priv
->dummy_query_bo
,
859 dev_priv
->dummy_query_bo_pinned
= true;
862 BUG_ON(sw_context
->last_query_ctx
== NULL
);
863 dev_priv
->query_cid
= sw_context
->last_query_ctx
->id
;
864 dev_priv
->query_cid_valid
= true;
865 dev_priv
->pinned_bo
=
866 vmw_dmabuf_reference(sw_context
->cur_query_bo
);
872 * vmw_translate_mob_pointer - Prepare to translate a user-space buffer
873 * handle to a MOB id.
875 * @dev_priv: Pointer to a device private structure.
876 * @sw_context: The software context used for this command batch validation.
877 * @id: Pointer to the user-space handle to be translated.
878 * @vmw_bo_p: Points to a location that, on successful return will carry
879 * a reference-counted pointer to the DMA buffer identified by the
880 * user-space handle in @id.
882 * This function saves information needed to translate a user-space buffer
883 * handle to a MOB id. The translation does not take place immediately, but
884 * during a call to vmw_apply_relocations(). This function builds a relocation
885 * list and a list of buffers to validate. The former needs to be freed using
886 * either vmw_apply_relocations() or vmw_free_relocations(). The latter
887 * needs to be freed using vmw_clear_validations.
889 static int vmw_translate_mob_ptr(struct vmw_private
*dev_priv
,
890 struct vmw_sw_context
*sw_context
,
892 struct vmw_dma_buffer
**vmw_bo_p
)
894 struct vmw_dma_buffer
*vmw_bo
= NULL
;
895 uint32_t handle
= *id
;
896 struct vmw_relocation
*reloc
;
899 ret
= vmw_user_dmabuf_lookup(sw_context
->fp
->tfile
, handle
, &vmw_bo
);
900 if (unlikely(ret
!= 0)) {
901 DRM_ERROR("Could not find or use MOB buffer.\n");
906 if (unlikely(sw_context
->cur_reloc
>= VMWGFX_MAX_RELOCATIONS
)) {
907 DRM_ERROR("Max number relocations per submission"
913 reloc
= &sw_context
->relocs
[sw_context
->cur_reloc
++];
915 reloc
->location
= NULL
;
917 ret
= vmw_bo_to_validate_list(sw_context
, vmw_bo
, true, &reloc
->index
);
918 if (unlikely(ret
!= 0))
925 vmw_dmabuf_unreference(&vmw_bo
);
931 * vmw_translate_guest_pointer - Prepare to translate a user-space buffer
932 * handle to a valid SVGAGuestPtr
934 * @dev_priv: Pointer to a device private structure.
935 * @sw_context: The software context used for this command batch validation.
936 * @ptr: Pointer to the user-space handle to be translated.
937 * @vmw_bo_p: Points to a location that, on successful return will carry
938 * a reference-counted pointer to the DMA buffer identified by the
939 * user-space handle in @id.
941 * This function saves information needed to translate a user-space buffer
942 * handle to a valid SVGAGuestPtr. The translation does not take place
943 * immediately, but during a call to vmw_apply_relocations().
944 * This function builds a relocation list and a list of buffers to validate.
945 * The former needs to be freed using either vmw_apply_relocations() or
946 * vmw_free_relocations(). The latter needs to be freed using
947 * vmw_clear_validations.
949 static int vmw_translate_guest_ptr(struct vmw_private
*dev_priv
,
950 struct vmw_sw_context
*sw_context
,
952 struct vmw_dma_buffer
**vmw_bo_p
)
954 struct vmw_dma_buffer
*vmw_bo
= NULL
;
955 uint32_t handle
= ptr
->gmrId
;
956 struct vmw_relocation
*reloc
;
959 ret
= vmw_user_dmabuf_lookup(sw_context
->fp
->tfile
, handle
, &vmw_bo
);
960 if (unlikely(ret
!= 0)) {
961 DRM_ERROR("Could not find or use GMR region.\n");
966 if (unlikely(sw_context
->cur_reloc
>= VMWGFX_MAX_RELOCATIONS
)) {
967 DRM_ERROR("Max number relocations per submission"
973 reloc
= &sw_context
->relocs
[sw_context
->cur_reloc
++];
974 reloc
->location
= ptr
;
976 ret
= vmw_bo_to_validate_list(sw_context
, vmw_bo
, false, &reloc
->index
);
977 if (unlikely(ret
!= 0))
984 vmw_dmabuf_unreference(&vmw_bo
);
990 * vmw_cmd_begin_gb_query - validate a SVGA_3D_CMD_BEGIN_GB_QUERY command.
992 * @dev_priv: Pointer to a device private struct.
993 * @sw_context: The software context used for this command submission.
994 * @header: Pointer to the command header in the command stream.
996 static int vmw_cmd_begin_gb_query(struct vmw_private
*dev_priv
,
997 struct vmw_sw_context
*sw_context
,
998 SVGA3dCmdHeader
*header
)
1000 struct vmw_begin_gb_query_cmd
{
1001 SVGA3dCmdHeader header
;
1002 SVGA3dCmdBeginGBQuery q
;
1005 cmd
= container_of(header
, struct vmw_begin_gb_query_cmd
,
1008 return vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_context
,
1009 user_context_converter
, &cmd
->q
.cid
,
1014 * vmw_cmd_begin_query - validate a SVGA_3D_CMD_BEGIN_QUERY command.
1016 * @dev_priv: Pointer to a device private struct.
1017 * @sw_context: The software context used for this command submission.
1018 * @header: Pointer to the command header in the command stream.
1020 static int vmw_cmd_begin_query(struct vmw_private
*dev_priv
,
1021 struct vmw_sw_context
*sw_context
,
1022 SVGA3dCmdHeader
*header
)
1024 struct vmw_begin_query_cmd
{
1025 SVGA3dCmdHeader header
;
1026 SVGA3dCmdBeginQuery q
;
1029 cmd
= container_of(header
, struct vmw_begin_query_cmd
,
1032 if (unlikely(dev_priv
->has_mob
)) {
1034 SVGA3dCmdHeader header
;
1035 SVGA3dCmdBeginGBQuery q
;
1038 BUG_ON(sizeof(gb_cmd
) != sizeof(*cmd
));
1040 gb_cmd
.header
.id
= SVGA_3D_CMD_BEGIN_GB_QUERY
;
1041 gb_cmd
.header
.size
= cmd
->header
.size
;
1042 gb_cmd
.q
.cid
= cmd
->q
.cid
;
1043 gb_cmd
.q
.type
= cmd
->q
.type
;
1045 memcpy(cmd
, &gb_cmd
, sizeof(*cmd
));
1046 return vmw_cmd_begin_gb_query(dev_priv
, sw_context
, header
);
1049 return vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_context
,
1050 user_context_converter
, &cmd
->q
.cid
,
1055 * vmw_cmd_end_gb_query - validate a SVGA_3D_CMD_END_GB_QUERY command.
1057 * @dev_priv: Pointer to a device private struct.
1058 * @sw_context: The software context used for this command submission.
1059 * @header: Pointer to the command header in the command stream.
1061 static int vmw_cmd_end_gb_query(struct vmw_private
*dev_priv
,
1062 struct vmw_sw_context
*sw_context
,
1063 SVGA3dCmdHeader
*header
)
1065 struct vmw_dma_buffer
*vmw_bo
;
1066 struct vmw_query_cmd
{
1067 SVGA3dCmdHeader header
;
1068 SVGA3dCmdEndGBQuery q
;
1072 cmd
= container_of(header
, struct vmw_query_cmd
, header
);
1073 ret
= vmw_cmd_cid_check(dev_priv
, sw_context
, header
);
1074 if (unlikely(ret
!= 0))
1077 ret
= vmw_translate_mob_ptr(dev_priv
, sw_context
,
1080 if (unlikely(ret
!= 0))
1083 ret
= vmw_query_bo_switch_prepare(dev_priv
, vmw_bo
, sw_context
);
1085 vmw_dmabuf_unreference(&vmw_bo
);
1090 * vmw_cmd_end_query - validate a SVGA_3D_CMD_END_QUERY command.
1092 * @dev_priv: Pointer to a device private struct.
1093 * @sw_context: The software context used for this command submission.
1094 * @header: Pointer to the command header in the command stream.
1096 static int vmw_cmd_end_query(struct vmw_private
*dev_priv
,
1097 struct vmw_sw_context
*sw_context
,
1098 SVGA3dCmdHeader
*header
)
1100 struct vmw_dma_buffer
*vmw_bo
;
1101 struct vmw_query_cmd
{
1102 SVGA3dCmdHeader header
;
1103 SVGA3dCmdEndQuery q
;
1107 cmd
= container_of(header
, struct vmw_query_cmd
, header
);
1108 if (dev_priv
->has_mob
) {
1110 SVGA3dCmdHeader header
;
1111 SVGA3dCmdEndGBQuery q
;
1114 BUG_ON(sizeof(gb_cmd
) != sizeof(*cmd
));
1116 gb_cmd
.header
.id
= SVGA_3D_CMD_END_GB_QUERY
;
1117 gb_cmd
.header
.size
= cmd
->header
.size
;
1118 gb_cmd
.q
.cid
= cmd
->q
.cid
;
1119 gb_cmd
.q
.type
= cmd
->q
.type
;
1120 gb_cmd
.q
.mobid
= cmd
->q
.guestResult
.gmrId
;
1121 gb_cmd
.q
.offset
= cmd
->q
.guestResult
.offset
;
1123 memcpy(cmd
, &gb_cmd
, sizeof(*cmd
));
1124 return vmw_cmd_end_gb_query(dev_priv
, sw_context
, header
);
1127 ret
= vmw_cmd_cid_check(dev_priv
, sw_context
, header
);
1128 if (unlikely(ret
!= 0))
1131 ret
= vmw_translate_guest_ptr(dev_priv
, sw_context
,
1132 &cmd
->q
.guestResult
,
1134 if (unlikely(ret
!= 0))
1137 ret
= vmw_query_bo_switch_prepare(dev_priv
, vmw_bo
, sw_context
);
1139 vmw_dmabuf_unreference(&vmw_bo
);
1144 * vmw_cmd_wait_gb_query - validate a SVGA_3D_CMD_WAIT_GB_QUERY command.
1146 * @dev_priv: Pointer to a device private struct.
1147 * @sw_context: The software context used for this command submission.
1148 * @header: Pointer to the command header in the command stream.
1150 static int vmw_cmd_wait_gb_query(struct vmw_private
*dev_priv
,
1151 struct vmw_sw_context
*sw_context
,
1152 SVGA3dCmdHeader
*header
)
1154 struct vmw_dma_buffer
*vmw_bo
;
1155 struct vmw_query_cmd
{
1156 SVGA3dCmdHeader header
;
1157 SVGA3dCmdWaitForGBQuery q
;
1161 cmd
= container_of(header
, struct vmw_query_cmd
, header
);
1162 ret
= vmw_cmd_cid_check(dev_priv
, sw_context
, header
);
1163 if (unlikely(ret
!= 0))
1166 ret
= vmw_translate_mob_ptr(dev_priv
, sw_context
,
1169 if (unlikely(ret
!= 0))
1172 vmw_dmabuf_unreference(&vmw_bo
);
1177 * vmw_cmd_wait_query - validate a SVGA_3D_CMD_WAIT_QUERY command.
1179 * @dev_priv: Pointer to a device private struct.
1180 * @sw_context: The software context used for this command submission.
1181 * @header: Pointer to the command header in the command stream.
1183 static int vmw_cmd_wait_query(struct vmw_private
*dev_priv
,
1184 struct vmw_sw_context
*sw_context
,
1185 SVGA3dCmdHeader
*header
)
1187 struct vmw_dma_buffer
*vmw_bo
;
1188 struct vmw_query_cmd
{
1189 SVGA3dCmdHeader header
;
1190 SVGA3dCmdWaitForQuery q
;
1194 cmd
= container_of(header
, struct vmw_query_cmd
, header
);
1195 if (dev_priv
->has_mob
) {
1197 SVGA3dCmdHeader header
;
1198 SVGA3dCmdWaitForGBQuery q
;
1201 BUG_ON(sizeof(gb_cmd
) != sizeof(*cmd
));
1203 gb_cmd
.header
.id
= SVGA_3D_CMD_WAIT_FOR_GB_QUERY
;
1204 gb_cmd
.header
.size
= cmd
->header
.size
;
1205 gb_cmd
.q
.cid
= cmd
->q
.cid
;
1206 gb_cmd
.q
.type
= cmd
->q
.type
;
1207 gb_cmd
.q
.mobid
= cmd
->q
.guestResult
.gmrId
;
1208 gb_cmd
.q
.offset
= cmd
->q
.guestResult
.offset
;
1210 memcpy(cmd
, &gb_cmd
, sizeof(*cmd
));
1211 return vmw_cmd_wait_gb_query(dev_priv
, sw_context
, header
);
1214 ret
= vmw_cmd_cid_check(dev_priv
, sw_context
, header
);
1215 if (unlikely(ret
!= 0))
1218 ret
= vmw_translate_guest_ptr(dev_priv
, sw_context
,
1219 &cmd
->q
.guestResult
,
1221 if (unlikely(ret
!= 0))
1224 vmw_dmabuf_unreference(&vmw_bo
);
1228 static int vmw_cmd_dma(struct vmw_private
*dev_priv
,
1229 struct vmw_sw_context
*sw_context
,
1230 SVGA3dCmdHeader
*header
)
1232 struct vmw_dma_buffer
*vmw_bo
= NULL
;
1233 struct vmw_surface
*srf
= NULL
;
1234 struct vmw_dma_cmd
{
1235 SVGA3dCmdHeader header
;
1236 SVGA3dCmdSurfaceDMA dma
;
1239 SVGA3dCmdSurfaceDMASuffix
*suffix
;
1242 cmd
= container_of(header
, struct vmw_dma_cmd
, header
);
1243 suffix
= (SVGA3dCmdSurfaceDMASuffix
*)((unsigned long) &cmd
->dma
+
1244 header
->size
- sizeof(*suffix
));
1246 /* Make sure device and verifier stays in sync. */
1247 if (unlikely(suffix
->suffixSize
!= sizeof(*suffix
))) {
1248 DRM_ERROR("Invalid DMA suffix size.\n");
1252 ret
= vmw_translate_guest_ptr(dev_priv
, sw_context
,
1253 &cmd
->dma
.guest
.ptr
,
1255 if (unlikely(ret
!= 0))
1258 /* Make sure DMA doesn't cross BO boundaries. */
1259 bo_size
= vmw_bo
->base
.num_pages
* PAGE_SIZE
;
1260 if (unlikely(cmd
->dma
.guest
.ptr
.offset
> bo_size
)) {
1261 DRM_ERROR("Invalid DMA offset.\n");
1265 bo_size
-= cmd
->dma
.guest
.ptr
.offset
;
1266 if (unlikely(suffix
->maximumOffset
> bo_size
))
1267 suffix
->maximumOffset
= bo_size
;
1269 if (sw_context
->quirks
& VMW_QUIRK_DST_SID_OK
)
1270 goto out_no_surface
;
1272 ret
= vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_surface
,
1273 user_surface_converter
, &cmd
->dma
.host
.sid
,
1275 if (unlikely(ret
!= 0)) {
1276 if (unlikely(ret
!= -ERESTARTSYS
))
1277 DRM_ERROR("could not find surface for DMA.\n");
1278 goto out_no_surface
;
1281 srf
= vmw_res_to_srf(sw_context
->res_cache
[vmw_res_surface
].res
);
1283 vmw_kms_cursor_snoop(srf
, sw_context
->fp
->tfile
, &vmw_bo
->base
,
1287 vmw_dmabuf_unreference(&vmw_bo
);
1291 static int vmw_cmd_draw(struct vmw_private
*dev_priv
,
1292 struct vmw_sw_context
*sw_context
,
1293 SVGA3dCmdHeader
*header
)
1295 struct vmw_draw_cmd
{
1296 SVGA3dCmdHeader header
;
1297 SVGA3dCmdDrawPrimitives body
;
1299 SVGA3dVertexDecl
*decl
= (SVGA3dVertexDecl
*)(
1300 (unsigned long)header
+ sizeof(*cmd
));
1301 SVGA3dPrimitiveRange
*range
;
1306 ret
= vmw_cmd_cid_check(dev_priv
, sw_context
, header
);
1307 if (unlikely(ret
!= 0))
1310 cmd
= container_of(header
, struct vmw_draw_cmd
, header
);
1311 maxnum
= (header
->size
- sizeof(cmd
->body
)) / sizeof(*decl
);
1313 if (unlikely(cmd
->body
.numVertexDecls
> maxnum
)) {
1314 DRM_ERROR("Illegal number of vertex declarations.\n");
1318 for (i
= 0; i
< cmd
->body
.numVertexDecls
; ++i
, ++decl
) {
1319 ret
= vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_surface
,
1320 user_surface_converter
,
1321 &decl
->array
.surfaceId
, NULL
);
1322 if (unlikely(ret
!= 0))
1326 maxnum
= (header
->size
- sizeof(cmd
->body
) -
1327 cmd
->body
.numVertexDecls
* sizeof(*decl
)) / sizeof(*range
);
1328 if (unlikely(cmd
->body
.numRanges
> maxnum
)) {
1329 DRM_ERROR("Illegal number of index ranges.\n");
1333 range
= (SVGA3dPrimitiveRange
*) decl
;
1334 for (i
= 0; i
< cmd
->body
.numRanges
; ++i
, ++range
) {
1335 ret
= vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_surface
,
1336 user_surface_converter
,
1337 &range
->indexArray
.surfaceId
, NULL
);
1338 if (unlikely(ret
!= 0))
1345 static int vmw_cmd_tex_state(struct vmw_private
*dev_priv
,
1346 struct vmw_sw_context
*sw_context
,
1347 SVGA3dCmdHeader
*header
)
1349 struct vmw_tex_state_cmd
{
1350 SVGA3dCmdHeader header
;
1351 SVGA3dCmdSetTextureState state
;
1354 SVGA3dTextureState
*last_state
= (SVGA3dTextureState
*)
1355 ((unsigned long) header
+ header
->size
+ sizeof(header
));
1356 SVGA3dTextureState
*cur_state
= (SVGA3dTextureState
*)
1357 ((unsigned long) header
+ sizeof(struct vmw_tex_state_cmd
));
1358 struct vmw_resource_val_node
*ctx_node
;
1359 struct vmw_resource_val_node
*res_node
;
1362 cmd
= container_of(header
, struct vmw_tex_state_cmd
,
1365 ret
= vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_context
,
1366 user_context_converter
, &cmd
->state
.cid
,
1368 if (unlikely(ret
!= 0))
1371 for (; cur_state
< last_state
; ++cur_state
) {
1372 if (likely(cur_state
->name
!= SVGA3D_TS_BIND_TEXTURE
))
1375 ret
= vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_surface
,
1376 user_surface_converter
,
1377 &cur_state
->value
, &res_node
);
1378 if (unlikely(ret
!= 0))
1381 if (dev_priv
->has_mob
) {
1382 struct vmw_ctx_bindinfo bi
;
1384 bi
.ctx
= ctx_node
->res
;
1385 bi
.res
= res_node
? res_node
->res
: NULL
;
1386 bi
.bt
= vmw_ctx_binding_tex
;
1387 bi
.i1
.texture_stage
= cur_state
->stage
;
1388 vmw_context_binding_add(ctx_node
->staged_bindings
,
1396 static int vmw_cmd_check_define_gmrfb(struct vmw_private
*dev_priv
,
1397 struct vmw_sw_context
*sw_context
,
1400 struct vmw_dma_buffer
*vmw_bo
;
1405 SVGAFifoCmdDefineGMRFB body
;
1408 ret
= vmw_translate_guest_ptr(dev_priv
, sw_context
,
1411 if (unlikely(ret
!= 0))
1414 vmw_dmabuf_unreference(&vmw_bo
);
1420 * vmw_cmd_switch_backup - Utility function to handle backup buffer switching
1422 * @dev_priv: Pointer to a device private struct.
1423 * @sw_context: The software context being used for this batch.
1424 * @res_type: The resource type.
1425 * @converter: Information about user-space binding for this resource type.
1426 * @res_id: Pointer to the user-space resource handle in the command stream.
1427 * @buf_id: Pointer to the user-space backup buffer handle in the command
1429 * @backup_offset: Offset of backup into MOB.
1431 * This function prepares for registering a switch of backup buffers
1432 * in the resource metadata just prior to unreserving.
1434 static int vmw_cmd_switch_backup(struct vmw_private
*dev_priv
,
1435 struct vmw_sw_context
*sw_context
,
1436 enum vmw_res_type res_type
,
1437 const struct vmw_user_resource_conv
1441 unsigned long backup_offset
)
1444 struct vmw_dma_buffer
*dma_buf
;
1445 struct vmw_resource_val_node
*val_node
;
1447 ret
= vmw_cmd_res_check(dev_priv
, sw_context
, res_type
,
1448 converter
, res_id
, &val_node
);
1449 if (unlikely(ret
!= 0))
1452 ret
= vmw_translate_mob_ptr(dev_priv
, sw_context
, buf_id
, &dma_buf
);
1453 if (unlikely(ret
!= 0))
1456 if (val_node
->first_usage
)
1457 val_node
->no_buffer_needed
= true;
1459 vmw_dmabuf_unreference(&val_node
->new_backup
);
1460 val_node
->new_backup
= dma_buf
;
1461 val_node
->new_backup_offset
= backup_offset
;
1467 * vmw_cmd_bind_gb_surface - Validate an SVGA_3D_CMD_BIND_GB_SURFACE
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_bind_gb_surface(struct vmw_private
*dev_priv
,
1475 struct vmw_sw_context
*sw_context
,
1476 SVGA3dCmdHeader
*header
)
1478 struct vmw_bind_gb_surface_cmd
{
1479 SVGA3dCmdHeader header
;
1480 SVGA3dCmdBindGBSurface body
;
1483 cmd
= container_of(header
, struct vmw_bind_gb_surface_cmd
, header
);
1485 return vmw_cmd_switch_backup(dev_priv
, sw_context
, vmw_res_surface
,
1486 user_surface_converter
,
1487 &cmd
->body
.sid
, &cmd
->body
.mobid
,
1492 * vmw_cmd_update_gb_image - Validate an SVGA_3D_CMD_UPDATE_GB_IMAGE
1495 * @dev_priv: Pointer to a device private struct.
1496 * @sw_context: The software context being used for this batch.
1497 * @header: Pointer to the command header in the command stream.
1499 static int vmw_cmd_update_gb_image(struct vmw_private
*dev_priv
,
1500 struct vmw_sw_context
*sw_context
,
1501 SVGA3dCmdHeader
*header
)
1503 struct vmw_gb_surface_cmd
{
1504 SVGA3dCmdHeader header
;
1505 SVGA3dCmdUpdateGBImage body
;
1508 cmd
= container_of(header
, struct vmw_gb_surface_cmd
, header
);
1510 if (sw_context
->quirks
& VMW_QUIRK_SRC_SID_OK
)
1513 return vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_surface
,
1514 user_surface_converter
,
1515 &cmd
->body
.image
.sid
, NULL
);
1519 * vmw_cmd_update_gb_surface - Validate an SVGA_3D_CMD_UPDATE_GB_SURFACE
1522 * @dev_priv: Pointer to a device private struct.
1523 * @sw_context: The software context being used for this batch.
1524 * @header: Pointer to the command header in the command stream.
1526 static int vmw_cmd_update_gb_surface(struct vmw_private
*dev_priv
,
1527 struct vmw_sw_context
*sw_context
,
1528 SVGA3dCmdHeader
*header
)
1530 struct vmw_gb_surface_cmd
{
1531 SVGA3dCmdHeader header
;
1532 SVGA3dCmdUpdateGBSurface body
;
1535 cmd
= container_of(header
, struct vmw_gb_surface_cmd
, header
);
1537 return vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_surface
,
1538 user_surface_converter
,
1539 &cmd
->body
.sid
, NULL
);
1543 * vmw_cmd_readback_gb_image - Validate an SVGA_3D_CMD_READBACK_GB_IMAGE
1546 * @dev_priv: Pointer to a device private struct.
1547 * @sw_context: The software context being used for this batch.
1548 * @header: Pointer to the command header in the command stream.
1550 static int vmw_cmd_readback_gb_image(struct vmw_private
*dev_priv
,
1551 struct vmw_sw_context
*sw_context
,
1552 SVGA3dCmdHeader
*header
)
1554 struct vmw_gb_surface_cmd
{
1555 SVGA3dCmdHeader header
;
1556 SVGA3dCmdReadbackGBImage body
;
1559 cmd
= container_of(header
, struct vmw_gb_surface_cmd
, header
);
1561 return vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_surface
,
1562 user_surface_converter
,
1563 &cmd
->body
.image
.sid
, NULL
);
1567 * vmw_cmd_readback_gb_surface - Validate an SVGA_3D_CMD_READBACK_GB_SURFACE
1570 * @dev_priv: Pointer to a device private struct.
1571 * @sw_context: The software context being used for this batch.
1572 * @header: Pointer to the command header in the command stream.
1574 static int vmw_cmd_readback_gb_surface(struct vmw_private
*dev_priv
,
1575 struct vmw_sw_context
*sw_context
,
1576 SVGA3dCmdHeader
*header
)
1578 struct vmw_gb_surface_cmd
{
1579 SVGA3dCmdHeader header
;
1580 SVGA3dCmdReadbackGBSurface body
;
1583 cmd
= container_of(header
, struct vmw_gb_surface_cmd
, header
);
1585 return vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_surface
,
1586 user_surface_converter
,
1587 &cmd
->body
.sid
, NULL
);
1591 * vmw_cmd_invalidate_gb_image - Validate an SVGA_3D_CMD_INVALIDATE_GB_IMAGE
1594 * @dev_priv: Pointer to a device private struct.
1595 * @sw_context: The software context being used for this batch.
1596 * @header: Pointer to the command header in the command stream.
1598 static int vmw_cmd_invalidate_gb_image(struct vmw_private
*dev_priv
,
1599 struct vmw_sw_context
*sw_context
,
1600 SVGA3dCmdHeader
*header
)
1602 struct vmw_gb_surface_cmd
{
1603 SVGA3dCmdHeader header
;
1604 SVGA3dCmdInvalidateGBImage body
;
1607 cmd
= container_of(header
, struct vmw_gb_surface_cmd
, header
);
1609 return vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_surface
,
1610 user_surface_converter
,
1611 &cmd
->body
.image
.sid
, NULL
);
1615 * vmw_cmd_invalidate_gb_surface - Validate an
1616 * SVGA_3D_CMD_INVALIDATE_GB_SURFACE command
1618 * @dev_priv: Pointer to a device private struct.
1619 * @sw_context: The software context being used for this batch.
1620 * @header: Pointer to the command header in the command stream.
1622 static int vmw_cmd_invalidate_gb_surface(struct vmw_private
*dev_priv
,
1623 struct vmw_sw_context
*sw_context
,
1624 SVGA3dCmdHeader
*header
)
1626 struct vmw_gb_surface_cmd
{
1627 SVGA3dCmdHeader header
;
1628 SVGA3dCmdInvalidateGBSurface body
;
1631 cmd
= container_of(header
, struct vmw_gb_surface_cmd
, header
);
1633 return vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_surface
,
1634 user_surface_converter
,
1635 &cmd
->body
.sid
, NULL
);
1640 * vmw_cmd_shader_define - Validate an SVGA_3D_CMD_SHADER_DEFINE
1643 * @dev_priv: Pointer to a device private struct.
1644 * @sw_context: The software context being used for this batch.
1645 * @header: Pointer to the command header in the command stream.
1647 static int vmw_cmd_shader_define(struct vmw_private
*dev_priv
,
1648 struct vmw_sw_context
*sw_context
,
1649 SVGA3dCmdHeader
*header
)
1651 struct vmw_shader_define_cmd
{
1652 SVGA3dCmdHeader header
;
1653 SVGA3dCmdDefineShader body
;
1657 struct vmw_resource_val_node
*val
;
1659 cmd
= container_of(header
, struct vmw_shader_define_cmd
,
1662 ret
= vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_context
,
1663 user_context_converter
, &cmd
->body
.cid
,
1665 if (unlikely(ret
!= 0))
1668 if (unlikely(!dev_priv
->has_mob
))
1671 size
= cmd
->header
.size
- sizeof(cmd
->body
);
1672 ret
= vmw_compat_shader_add(dev_priv
,
1673 vmw_context_res_man(val
->res
),
1674 cmd
->body
.shid
, cmd
+ 1,
1675 cmd
->body
.type
, size
,
1676 &sw_context
->staged_cmd_res
);
1677 if (unlikely(ret
!= 0))
1680 return vmw_resource_relocation_add(&sw_context
->res_relocations
,
1681 NULL
, &cmd
->header
.id
-
1682 sw_context
->buf_start
);
1688 * vmw_cmd_shader_destroy - Validate an SVGA_3D_CMD_SHADER_DESTROY
1691 * @dev_priv: Pointer to a device private struct.
1692 * @sw_context: The software context being used for this batch.
1693 * @header: Pointer to the command header in the command stream.
1695 static int vmw_cmd_shader_destroy(struct vmw_private
*dev_priv
,
1696 struct vmw_sw_context
*sw_context
,
1697 SVGA3dCmdHeader
*header
)
1699 struct vmw_shader_destroy_cmd
{
1700 SVGA3dCmdHeader header
;
1701 SVGA3dCmdDestroyShader body
;
1704 struct vmw_resource_val_node
*val
;
1706 cmd
= container_of(header
, struct vmw_shader_destroy_cmd
,
1709 ret
= vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_context
,
1710 user_context_converter
, &cmd
->body
.cid
,
1712 if (unlikely(ret
!= 0))
1715 if (unlikely(!dev_priv
->has_mob
))
1718 ret
= vmw_compat_shader_remove(vmw_context_res_man(val
->res
),
1721 &sw_context
->staged_cmd_res
);
1722 if (unlikely(ret
!= 0))
1725 return vmw_resource_relocation_add(&sw_context
->res_relocations
,
1726 NULL
, &cmd
->header
.id
-
1727 sw_context
->buf_start
);
1733 * vmw_cmd_set_shader - Validate an SVGA_3D_CMD_SET_SHADER
1736 * @dev_priv: Pointer to a device private struct.
1737 * @sw_context: The software context being used for this batch.
1738 * @header: Pointer to the command header in the command stream.
1740 static int vmw_cmd_set_shader(struct vmw_private
*dev_priv
,
1741 struct vmw_sw_context
*sw_context
,
1742 SVGA3dCmdHeader
*header
)
1744 struct vmw_set_shader_cmd
{
1745 SVGA3dCmdHeader header
;
1746 SVGA3dCmdSetShader body
;
1748 struct vmw_resource_val_node
*ctx_node
, *res_node
= NULL
;
1749 struct vmw_ctx_bindinfo bi
;
1750 struct vmw_resource
*res
= NULL
;
1753 cmd
= container_of(header
, struct vmw_set_shader_cmd
,
1756 ret
= vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_context
,
1757 user_context_converter
, &cmd
->body
.cid
,
1759 if (unlikely(ret
!= 0))
1762 if (!dev_priv
->has_mob
)
1765 if (cmd
->body
.shid
!= SVGA3D_INVALID_ID
) {
1766 res
= vmw_compat_shader_lookup
1767 (vmw_context_res_man(ctx_node
->res
),
1772 ret
= vmw_cmd_res_reloc_add(dev_priv
, sw_context
,
1774 &cmd
->body
.shid
, res
,
1776 vmw_resource_unreference(&res
);
1777 if (unlikely(ret
!= 0))
1783 ret
= vmw_cmd_res_check(dev_priv
, sw_context
,
1785 user_shader_converter
,
1786 &cmd
->body
.shid
, &res_node
);
1787 if (unlikely(ret
!= 0))
1791 bi
.ctx
= ctx_node
->res
;
1792 bi
.res
= res_node
? res_node
->res
: NULL
;
1793 bi
.bt
= vmw_ctx_binding_shader
;
1794 bi
.i1
.shader_type
= cmd
->body
.type
;
1795 return vmw_context_binding_add(ctx_node
->staged_bindings
, &bi
);
1799 * vmw_cmd_set_shader_const - Validate an SVGA_3D_CMD_SET_SHADER_CONST
1802 * @dev_priv: Pointer to a device private struct.
1803 * @sw_context: The software context being used for this batch.
1804 * @header: Pointer to the command header in the command stream.
1806 static int vmw_cmd_set_shader_const(struct vmw_private
*dev_priv
,
1807 struct vmw_sw_context
*sw_context
,
1808 SVGA3dCmdHeader
*header
)
1810 struct vmw_set_shader_const_cmd
{
1811 SVGA3dCmdHeader header
;
1812 SVGA3dCmdSetShaderConst body
;
1816 cmd
= container_of(header
, struct vmw_set_shader_const_cmd
,
1819 ret
= vmw_cmd_res_check(dev_priv
, sw_context
, vmw_res_context
,
1820 user_context_converter
, &cmd
->body
.cid
,
1822 if (unlikely(ret
!= 0))
1825 if (dev_priv
->has_mob
)
1826 header
->id
= SVGA_3D_CMD_SET_GB_SHADERCONSTS_INLINE
;
1832 * vmw_cmd_bind_gb_shader - Validate an SVGA_3D_CMD_BIND_GB_SHADER
1835 * @dev_priv: Pointer to a device private struct.
1836 * @sw_context: The software context being used for this batch.
1837 * @header: Pointer to the command header in the command stream.
1839 static int vmw_cmd_bind_gb_shader(struct vmw_private
*dev_priv
,
1840 struct vmw_sw_context
*sw_context
,
1841 SVGA3dCmdHeader
*header
)
1843 struct vmw_bind_gb_shader_cmd
{
1844 SVGA3dCmdHeader header
;
1845 SVGA3dCmdBindGBShader body
;
1848 cmd
= container_of(header
, struct vmw_bind_gb_shader_cmd
,
1851 return vmw_cmd_switch_backup(dev_priv
, sw_context
, vmw_res_shader
,
1852 user_shader_converter
,
1853 &cmd
->body
.shid
, &cmd
->body
.mobid
,
1854 cmd
->body
.offsetInBytes
);
1857 static int vmw_cmd_check_not_3d(struct vmw_private
*dev_priv
,
1858 struct vmw_sw_context
*sw_context
,
1859 void *buf
, uint32_t *size
)
1861 uint32_t size_remaining
= *size
;
1864 cmd_id
= le32_to_cpu(((uint32_t *)buf
)[0]);
1866 case SVGA_CMD_UPDATE
:
1867 *size
= sizeof(uint32_t) + sizeof(SVGAFifoCmdUpdate
);
1869 case SVGA_CMD_DEFINE_GMRFB
:
1870 *size
= sizeof(uint32_t) + sizeof(SVGAFifoCmdDefineGMRFB
);
1872 case SVGA_CMD_BLIT_GMRFB_TO_SCREEN
:
1873 *size
= sizeof(uint32_t) + sizeof(SVGAFifoCmdBlitGMRFBToScreen
);
1875 case SVGA_CMD_BLIT_SCREEN_TO_GMRFB
:
1876 *size
= sizeof(uint32_t) + sizeof(SVGAFifoCmdBlitGMRFBToScreen
);
1879 DRM_ERROR("Unsupported SVGA command: %u.\n", cmd_id
);
1883 if (*size
> size_remaining
) {
1884 DRM_ERROR("Invalid SVGA command (size mismatch):"
1889 if (unlikely(!sw_context
->kernel
)) {
1890 DRM_ERROR("Kernel only SVGA command: %u.\n", cmd_id
);
1894 if (cmd_id
== SVGA_CMD_DEFINE_GMRFB
)
1895 return vmw_cmd_check_define_gmrfb(dev_priv
, sw_context
, buf
);
1900 static const struct vmw_cmd_entry vmw_cmd_entries
[SVGA_3D_CMD_MAX
] = {
1901 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DEFINE
, &vmw_cmd_invalid
,
1902 false, false, false),
1903 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DESTROY
, &vmw_cmd_invalid
,
1904 false, false, false),
1905 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_COPY
, &vmw_cmd_surface_copy_check
,
1906 true, false, false),
1907 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_STRETCHBLT
, &vmw_cmd_stretch_blt_check
,
1908 true, false, false),
1909 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DMA
, &vmw_cmd_dma
,
1910 true, false, false),
1911 VMW_CMD_DEF(SVGA_3D_CMD_CONTEXT_DEFINE
, &vmw_cmd_invalid
,
1912 false, false, false),
1913 VMW_CMD_DEF(SVGA_3D_CMD_CONTEXT_DESTROY
, &vmw_cmd_invalid
,
1914 false, false, false),
1915 VMW_CMD_DEF(SVGA_3D_CMD_SETTRANSFORM
, &vmw_cmd_cid_check
,
1916 true, false, false),
1917 VMW_CMD_DEF(SVGA_3D_CMD_SETZRANGE
, &vmw_cmd_cid_check
,
1918 true, false, false),
1919 VMW_CMD_DEF(SVGA_3D_CMD_SETRENDERSTATE
, &vmw_cmd_cid_check
,
1920 true, false, false),
1921 VMW_CMD_DEF(SVGA_3D_CMD_SETRENDERTARGET
,
1922 &vmw_cmd_set_render_target_check
, true, false, false),
1923 VMW_CMD_DEF(SVGA_3D_CMD_SETTEXTURESTATE
, &vmw_cmd_tex_state
,
1924 true, false, false),
1925 VMW_CMD_DEF(SVGA_3D_CMD_SETMATERIAL
, &vmw_cmd_cid_check
,
1926 true, false, false),
1927 VMW_CMD_DEF(SVGA_3D_CMD_SETLIGHTDATA
, &vmw_cmd_cid_check
,
1928 true, false, false),
1929 VMW_CMD_DEF(SVGA_3D_CMD_SETLIGHTENABLED
, &vmw_cmd_cid_check
,
1930 true, false, false),
1931 VMW_CMD_DEF(SVGA_3D_CMD_SETVIEWPORT
, &vmw_cmd_cid_check
,
1932 true, false, false),
1933 VMW_CMD_DEF(SVGA_3D_CMD_SETCLIPPLANE
, &vmw_cmd_cid_check
,
1934 true, false, false),
1935 VMW_CMD_DEF(SVGA_3D_CMD_CLEAR
, &vmw_cmd_cid_check
,
1936 true, false, false),
1937 VMW_CMD_DEF(SVGA_3D_CMD_PRESENT
, &vmw_cmd_present_check
,
1938 false, false, false),
1939 VMW_CMD_DEF(SVGA_3D_CMD_SHADER_DEFINE
, &vmw_cmd_shader_define
,
1940 true, false, false),
1941 VMW_CMD_DEF(SVGA_3D_CMD_SHADER_DESTROY
, &vmw_cmd_shader_destroy
,
1942 true, false, false),
1943 VMW_CMD_DEF(SVGA_3D_CMD_SET_SHADER
, &vmw_cmd_set_shader
,
1944 true, false, false),
1945 VMW_CMD_DEF(SVGA_3D_CMD_SET_SHADER_CONST
, &vmw_cmd_set_shader_const
,
1946 true, false, false),
1947 VMW_CMD_DEF(SVGA_3D_CMD_DRAW_PRIMITIVES
, &vmw_cmd_draw
,
1948 true, false, false),
1949 VMW_CMD_DEF(SVGA_3D_CMD_SETSCISSORRECT
, &vmw_cmd_cid_check
,
1950 true, false, false),
1951 VMW_CMD_DEF(SVGA_3D_CMD_BEGIN_QUERY
, &vmw_cmd_begin_query
,
1952 true, false, false),
1953 VMW_CMD_DEF(SVGA_3D_CMD_END_QUERY
, &vmw_cmd_end_query
,
1954 true, false, false),
1955 VMW_CMD_DEF(SVGA_3D_CMD_WAIT_FOR_QUERY
, &vmw_cmd_wait_query
,
1956 true, false, false),
1957 VMW_CMD_DEF(SVGA_3D_CMD_PRESENT_READBACK
, &vmw_cmd_ok
,
1958 true, false, false),
1959 VMW_CMD_DEF(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN
,
1960 &vmw_cmd_blt_surf_screen_check
, false, false, false),
1961 VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DEFINE_V2
, &vmw_cmd_invalid
,
1962 false, false, false),
1963 VMW_CMD_DEF(SVGA_3D_CMD_GENERATE_MIPMAPS
, &vmw_cmd_invalid
,
1964 false, false, false),
1965 VMW_CMD_DEF(SVGA_3D_CMD_ACTIVATE_SURFACE
, &vmw_cmd_invalid
,
1966 false, false, false),
1967 VMW_CMD_DEF(SVGA_3D_CMD_DEACTIVATE_SURFACE
, &vmw_cmd_invalid
,
1968 false, false, false),
1969 VMW_CMD_DEF(SVGA_3D_CMD_SCREEN_DMA
, &vmw_cmd_invalid
,
1970 false, false, false),
1971 VMW_CMD_DEF(SVGA_3D_CMD_SET_UNITY_SURFACE_COOKIE
, &vmw_cmd_invalid
,
1972 false, false, false),
1973 VMW_CMD_DEF(SVGA_3D_CMD_OPEN_CONTEXT_SURFACE
, &vmw_cmd_invalid
,
1974 false, false, false),
1975 VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_BITBLT
, &vmw_cmd_invalid
,
1976 false, false, false),
1977 VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_TRANSBLT
, &vmw_cmd_invalid
,
1978 false, false, false),
1979 VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_STRETCHBLT
, &vmw_cmd_invalid
,
1980 false, false, false),
1981 VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_COLORFILL
, &vmw_cmd_invalid
,
1982 false, false, false),
1983 VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_ALPHABLEND
, &vmw_cmd_invalid
,
1984 false, false, false),
1985 VMW_CMD_DEF(SVGA_3D_CMD_LOGICOPS_CLEARTYPEBLEND
, &vmw_cmd_invalid
,
1986 false, false, false),
1987 VMW_CMD_DEF(SVGA_3D_CMD_SET_OTABLE_BASE
, &vmw_cmd_invalid
,
1988 false, false, true),
1989 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_OTABLE
, &vmw_cmd_invalid
,
1990 false, false, true),
1991 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_MOB
, &vmw_cmd_invalid
,
1992 false, false, true),
1993 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_MOB
, &vmw_cmd_invalid
,
1994 false, false, true),
1995 VMW_CMD_DEF(SVGA_3D_CMD_REDEFINE_GB_MOB
, &vmw_cmd_invalid
,
1996 false, false, true),
1997 VMW_CMD_DEF(SVGA_3D_CMD_UPDATE_GB_MOB_MAPPING
, &vmw_cmd_invalid
,
1998 false, false, true),
1999 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SURFACE
, &vmw_cmd_invalid
,
2000 false, false, true),
2001 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_SURFACE
, &vmw_cmd_invalid
,
2002 false, false, true),
2003 VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_SURFACE
, &vmw_cmd_bind_gb_surface
,
2005 VMW_CMD_DEF(SVGA_3D_CMD_COND_BIND_GB_SURFACE
, &vmw_cmd_invalid
,
2006 false, false, true),
2007 VMW_CMD_DEF(SVGA_3D_CMD_UPDATE_GB_IMAGE
, &vmw_cmd_update_gb_image
,
2009 VMW_CMD_DEF(SVGA_3D_CMD_UPDATE_GB_SURFACE
,
2010 &vmw_cmd_update_gb_surface
, true, false, true),
2011 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_GB_IMAGE
,
2012 &vmw_cmd_readback_gb_image
, true, false, true),
2013 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_GB_SURFACE
,
2014 &vmw_cmd_readback_gb_surface
, true, false, true),
2015 VMW_CMD_DEF(SVGA_3D_CMD_INVALIDATE_GB_IMAGE
,
2016 &vmw_cmd_invalidate_gb_image
, true, false, true),
2017 VMW_CMD_DEF(SVGA_3D_CMD_INVALIDATE_GB_SURFACE
,
2018 &vmw_cmd_invalidate_gb_surface
, true, false, true),
2019 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_CONTEXT
, &vmw_cmd_invalid
,
2020 false, false, true),
2021 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_CONTEXT
, &vmw_cmd_invalid
,
2022 false, false, true),
2023 VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_CONTEXT
, &vmw_cmd_invalid
,
2024 false, false, true),
2025 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_GB_CONTEXT
, &vmw_cmd_invalid
,
2026 false, false, true),
2027 VMW_CMD_DEF(SVGA_3D_CMD_INVALIDATE_GB_CONTEXT
, &vmw_cmd_invalid
,
2028 false, false, true),
2029 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SHADER
, &vmw_cmd_invalid
,
2030 false, false, true),
2031 VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_SHADER
, &vmw_cmd_bind_gb_shader
,
2033 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_SHADER
, &vmw_cmd_invalid
,
2034 false, false, true),
2035 VMW_CMD_DEF(SVGA_3D_CMD_SET_OTABLE_BASE64
, &vmw_cmd_invalid
,
2036 false, false, false),
2037 VMW_CMD_DEF(SVGA_3D_CMD_BEGIN_GB_QUERY
, &vmw_cmd_begin_gb_query
,
2039 VMW_CMD_DEF(SVGA_3D_CMD_END_GB_QUERY
, &vmw_cmd_end_gb_query
,
2041 VMW_CMD_DEF(SVGA_3D_CMD_WAIT_FOR_GB_QUERY
, &vmw_cmd_wait_gb_query
,
2043 VMW_CMD_DEF(SVGA_3D_CMD_NOP
, &vmw_cmd_ok
,
2045 VMW_CMD_DEF(SVGA_3D_CMD_ENABLE_GART
, &vmw_cmd_invalid
,
2046 false, false, true),
2047 VMW_CMD_DEF(SVGA_3D_CMD_DISABLE_GART
, &vmw_cmd_invalid
,
2048 false, false, true),
2049 VMW_CMD_DEF(SVGA_3D_CMD_MAP_MOB_INTO_GART
, &vmw_cmd_invalid
,
2050 false, false, true),
2051 VMW_CMD_DEF(SVGA_3D_CMD_UNMAP_GART_RANGE
, &vmw_cmd_invalid
,
2052 false, false, true),
2053 VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SCREENTARGET
, &vmw_cmd_invalid
,
2054 false, false, true),
2055 VMW_CMD_DEF(SVGA_3D_CMD_DESTROY_GB_SCREENTARGET
, &vmw_cmd_invalid
,
2056 false, false, true),
2057 VMW_CMD_DEF(SVGA_3D_CMD_BIND_GB_SCREENTARGET
, &vmw_cmd_invalid
,
2058 false, false, true),
2059 VMW_CMD_DEF(SVGA_3D_CMD_UPDATE_GB_SCREENTARGET
, &vmw_cmd_invalid
,
2060 false, false, true),
2061 VMW_CMD_DEF(SVGA_3D_CMD_READBACK_GB_IMAGE_PARTIAL
, &vmw_cmd_invalid
,
2062 false, false, true),
2063 VMW_CMD_DEF(SVGA_3D_CMD_INVALIDATE_GB_IMAGE_PARTIAL
, &vmw_cmd_invalid
,
2064 false, false, true),
2065 VMW_CMD_DEF(SVGA_3D_CMD_SET_GB_SHADERCONSTS_INLINE
, &vmw_cmd_cid_check
,
2069 static int vmw_cmd_check(struct vmw_private
*dev_priv
,
2070 struct vmw_sw_context
*sw_context
,
2071 void *buf
, uint32_t *size
)
2074 uint32_t size_remaining
= *size
;
2075 SVGA3dCmdHeader
*header
= (SVGA3dCmdHeader
*) buf
;
2077 const struct vmw_cmd_entry
*entry
;
2078 bool gb
= dev_priv
->capabilities
& SVGA_CAP_GBOBJECTS
;
2080 cmd_id
= le32_to_cpu(((uint32_t *)buf
)[0]);
2081 /* Handle any none 3D commands */
2082 if (unlikely(cmd_id
< SVGA_CMD_MAX
))
2083 return vmw_cmd_check_not_3d(dev_priv
, sw_context
, buf
, size
);
2086 cmd_id
= le32_to_cpu(header
->id
);
2087 *size
= le32_to_cpu(header
->size
) + sizeof(SVGA3dCmdHeader
);
2089 cmd_id
-= SVGA_3D_CMD_BASE
;
2090 if (unlikely(*size
> size_remaining
))
2093 if (unlikely(cmd_id
>= SVGA_3D_CMD_MAX
- SVGA_3D_CMD_BASE
))
2096 entry
= &vmw_cmd_entries
[cmd_id
];
2097 if (unlikely(!entry
->func
))
2100 if (unlikely(!entry
->user_allow
&& !sw_context
->kernel
))
2101 goto out_privileged
;
2103 if (unlikely(entry
->gb_disable
&& gb
))
2106 if (unlikely(entry
->gb_enable
&& !gb
))
2109 ret
= entry
->func(dev_priv
, sw_context
, header
);
2110 if (unlikely(ret
!= 0))
2115 DRM_ERROR("Invalid SVGA3D command: %d\n",
2116 cmd_id
+ SVGA_3D_CMD_BASE
);
2119 DRM_ERROR("Privileged SVGA3D command: %d\n",
2120 cmd_id
+ SVGA_3D_CMD_BASE
);
2123 DRM_ERROR("Deprecated (disallowed) SVGA3D command: %d\n",
2124 cmd_id
+ SVGA_3D_CMD_BASE
);
2127 DRM_ERROR("SVGA3D command: %d not supported by virtual hardware.\n",
2128 cmd_id
+ SVGA_3D_CMD_BASE
);
2132 static int vmw_cmd_check_all(struct vmw_private
*dev_priv
,
2133 struct vmw_sw_context
*sw_context
,
2137 int32_t cur_size
= size
;
2140 sw_context
->buf_start
= buf
;
2142 while (cur_size
> 0) {
2144 ret
= vmw_cmd_check(dev_priv
, sw_context
, buf
, &size
);
2145 if (unlikely(ret
!= 0))
2147 buf
= (void *)((unsigned long) buf
+ size
);
2151 if (unlikely(cur_size
!= 0)) {
2152 DRM_ERROR("Command verifier out of sync.\n");
2159 static void vmw_free_relocations(struct vmw_sw_context
*sw_context
)
2161 sw_context
->cur_reloc
= 0;
2164 static void vmw_apply_relocations(struct vmw_sw_context
*sw_context
)
2167 struct vmw_relocation
*reloc
;
2168 struct ttm_validate_buffer
*validate
;
2169 struct ttm_buffer_object
*bo
;
2171 for (i
= 0; i
< sw_context
->cur_reloc
; ++i
) {
2172 reloc
= &sw_context
->relocs
[i
];
2173 validate
= &sw_context
->val_bufs
[reloc
->index
].base
;
2175 switch (bo
->mem
.mem_type
) {
2177 reloc
->location
->offset
+= bo
->offset
;
2178 reloc
->location
->gmrId
= SVGA_GMR_FRAMEBUFFER
;
2181 reloc
->location
->gmrId
= bo
->mem
.start
;
2184 *reloc
->mob_loc
= bo
->mem
.start
;
2190 vmw_free_relocations(sw_context
);
2194 * vmw_resource_list_unrefererence - Free up a resource list and unreference
2195 * all resources referenced by it.
2197 * @list: The resource list.
2199 static void vmw_resource_list_unreference(struct list_head
*list
)
2201 struct vmw_resource_val_node
*val
, *val_next
;
2204 * Drop references to resources held during command submission.
2207 list_for_each_entry_safe(val
, val_next
, list
, head
) {
2208 list_del_init(&val
->head
);
2209 vmw_resource_unreference(&val
->res
);
2210 if (unlikely(val
->staged_bindings
))
2211 kfree(val
->staged_bindings
);
2216 static void vmw_clear_validations(struct vmw_sw_context
*sw_context
)
2218 struct vmw_validate_buffer
*entry
, *next
;
2219 struct vmw_resource_val_node
*val
;
2222 * Drop references to DMA buffers held during command submission.
2224 list_for_each_entry_safe(entry
, next
, &sw_context
->validate_nodes
,
2226 list_del(&entry
->base
.head
);
2227 ttm_bo_unref(&entry
->base
.bo
);
2228 (void) drm_ht_remove_item(&sw_context
->res_ht
, &entry
->hash
);
2229 sw_context
->cur_val_buf
--;
2231 BUG_ON(sw_context
->cur_val_buf
!= 0);
2233 list_for_each_entry(val
, &sw_context
->resource_list
, head
)
2234 (void) drm_ht_remove_item(&sw_context
->res_ht
, &val
->hash
);
2237 static int vmw_validate_single_buffer(struct vmw_private
*dev_priv
,
2238 struct ttm_buffer_object
*bo
,
2239 bool validate_as_mob
)
2241 struct vmw_dma_buffer
*vbo
= container_of(bo
, struct vmw_dma_buffer
,
2245 if (vbo
->pin_count
> 0)
2248 if (validate_as_mob
)
2249 return ttm_bo_validate(bo
, &vmw_mob_placement
, true, false);
2252 * Put BO in VRAM if there is space, otherwise as a GMR.
2253 * If there is no space in VRAM and GMR ids are all used up,
2254 * start evicting GMRs to make room. If the DMA buffer can't be
2255 * used as a GMR, this will return -ENOMEM.
2258 ret
= ttm_bo_validate(bo
, &vmw_vram_gmr_placement
, true, false);
2259 if (likely(ret
== 0 || ret
== -ERESTARTSYS
))
2263 * If that failed, try VRAM again, this time evicting
2264 * previous contents.
2267 DRM_INFO("Falling through to VRAM.\n");
2268 ret
= ttm_bo_validate(bo
, &vmw_vram_placement
, true, false);
2272 static int vmw_validate_buffers(struct vmw_private
*dev_priv
,
2273 struct vmw_sw_context
*sw_context
)
2275 struct vmw_validate_buffer
*entry
;
2278 list_for_each_entry(entry
, &sw_context
->validate_nodes
, base
.head
) {
2279 ret
= vmw_validate_single_buffer(dev_priv
, entry
->base
.bo
,
2280 entry
->validate_as_mob
);
2281 if (unlikely(ret
!= 0))
2287 static int vmw_resize_cmd_bounce(struct vmw_sw_context
*sw_context
,
2290 if (likely(sw_context
->cmd_bounce_size
>= size
))
2293 if (sw_context
->cmd_bounce_size
== 0)
2294 sw_context
->cmd_bounce_size
= VMWGFX_CMD_BOUNCE_INIT_SIZE
;
2296 while (sw_context
->cmd_bounce_size
< size
) {
2297 sw_context
->cmd_bounce_size
=
2298 PAGE_ALIGN(sw_context
->cmd_bounce_size
+
2299 (sw_context
->cmd_bounce_size
>> 1));
2302 if (sw_context
->cmd_bounce
!= NULL
)
2303 vfree(sw_context
->cmd_bounce
);
2305 sw_context
->cmd_bounce
= vmalloc(sw_context
->cmd_bounce_size
);
2307 if (sw_context
->cmd_bounce
== NULL
) {
2308 DRM_ERROR("Failed to allocate command bounce buffer.\n");
2309 sw_context
->cmd_bounce_size
= 0;
2317 * vmw_execbuf_fence_commands - create and submit a command stream fence
2319 * Creates a fence object and submits a command stream marker.
2320 * If this fails for some reason, We sync the fifo and return NULL.
2321 * It is then safe to fence buffers with a NULL pointer.
2323 * If @p_handle is not NULL @file_priv must also not be NULL. Creates
2324 * a userspace handle if @p_handle is not NULL, otherwise not.
2327 int vmw_execbuf_fence_commands(struct drm_file
*file_priv
,
2328 struct vmw_private
*dev_priv
,
2329 struct vmw_fence_obj
**p_fence
,
2334 bool synced
= false;
2336 /* p_handle implies file_priv. */
2337 BUG_ON(p_handle
!= NULL
&& file_priv
== NULL
);
2339 ret
= vmw_fifo_send_fence(dev_priv
, &sequence
);
2340 if (unlikely(ret
!= 0)) {
2341 DRM_ERROR("Fence submission error. Syncing.\n");
2345 if (p_handle
!= NULL
)
2346 ret
= vmw_user_fence_create(file_priv
, dev_priv
->fman
,
2347 sequence
, p_fence
, p_handle
);
2349 ret
= vmw_fence_create(dev_priv
->fman
, sequence
, p_fence
);
2351 if (unlikely(ret
!= 0 && !synced
)) {
2352 (void) vmw_fallback_wait(dev_priv
, false, false,
2354 VMW_FENCE_WAIT_TIMEOUT
);
2362 * vmw_execbuf_copy_fence_user - copy fence object information to
2365 * @dev_priv: Pointer to a vmw_private struct.
2366 * @vmw_fp: Pointer to the struct vmw_fpriv representing the calling file.
2367 * @ret: Return value from fence object creation.
2368 * @user_fence_rep: User space address of a struct drm_vmw_fence_rep to
2369 * which the information should be copied.
2370 * @fence: Pointer to the fenc object.
2371 * @fence_handle: User-space fence handle.
2373 * This function copies fence information to user-space. If copying fails,
2374 * The user-space struct drm_vmw_fence_rep::error member is hopefully
2375 * left untouched, and if it's preloaded with an -EFAULT by user-space,
2376 * the error will hopefully be detected.
2377 * Also if copying fails, user-space will be unable to signal the fence
2378 * object so we wait for it immediately, and then unreference the
2379 * user-space reference.
2382 vmw_execbuf_copy_fence_user(struct vmw_private
*dev_priv
,
2383 struct vmw_fpriv
*vmw_fp
,
2385 struct drm_vmw_fence_rep __user
*user_fence_rep
,
2386 struct vmw_fence_obj
*fence
,
2387 uint32_t fence_handle
)
2389 struct drm_vmw_fence_rep fence_rep
;
2391 if (user_fence_rep
== NULL
)
2394 memset(&fence_rep
, 0, sizeof(fence_rep
));
2396 fence_rep
.error
= ret
;
2398 BUG_ON(fence
== NULL
);
2400 fence_rep
.handle
= fence_handle
;
2401 fence_rep
.seqno
= fence
->base
.seqno
;
2402 vmw_update_seqno(dev_priv
, &dev_priv
->fifo
);
2403 fence_rep
.passed_seqno
= dev_priv
->last_read_seqno
;
2407 * copy_to_user errors will be detected by user space not
2408 * seeing fence_rep::error filled in. Typically
2409 * user-space would have pre-set that member to -EFAULT.
2411 ret
= copy_to_user(user_fence_rep
, &fence_rep
,
2415 * User-space lost the fence object. We need to sync
2416 * and unreference the handle.
2418 if (unlikely(ret
!= 0) && (fence_rep
.error
== 0)) {
2419 ttm_ref_object_base_unref(vmw_fp
->tfile
,
2420 fence_handle
, TTM_REF_USAGE
);
2421 DRM_ERROR("Fence copy error. Syncing.\n");
2422 (void) vmw_fence_obj_wait(fence
, false, false,
2423 VMW_FENCE_WAIT_TIMEOUT
);
2428 * vmw_execbuf_submit_fifo - Patch a command batch and submit it using
2431 * @dev_priv: Pointer to a device private structure.
2432 * @kernel_commands: Pointer to the unpatched command batch.
2433 * @command_size: Size of the unpatched command batch.
2434 * @sw_context: Structure holding the relocation lists.
2436 * Side effects: If this function returns 0, then the command batch
2437 * pointed to by @kernel_commands will have been modified.
2439 static int vmw_execbuf_submit_fifo(struct vmw_private
*dev_priv
,
2440 void *kernel_commands
,
2442 struct vmw_sw_context
*sw_context
)
2444 void *cmd
= vmw_fifo_reserve(dev_priv
, command_size
);
2447 DRM_ERROR("Failed reserving fifo space for commands.\n");
2451 vmw_apply_relocations(sw_context
);
2452 memcpy(cmd
, kernel_commands
, command_size
);
2453 vmw_resource_relocations_apply(cmd
, &sw_context
->res_relocations
);
2454 vmw_resource_relocations_free(&sw_context
->res_relocations
);
2455 vmw_fifo_commit(dev_priv
, command_size
);
2461 * vmw_execbuf_submit_cmdbuf - Patch a command batch and submit it using
2462 * the command buffer manager.
2464 * @dev_priv: Pointer to a device private structure.
2465 * @header: Opaque handle to the command buffer allocation.
2466 * @command_size: Size of the unpatched command batch.
2467 * @sw_context: Structure holding the relocation lists.
2469 * Side effects: If this function returns 0, then the command buffer
2470 * represented by @header will have been modified.
2472 static int vmw_execbuf_submit_cmdbuf(struct vmw_private
*dev_priv
,
2473 struct vmw_cmdbuf_header
*header
,
2475 struct vmw_sw_context
*sw_context
)
2477 void *cmd
= vmw_cmdbuf_reserve(dev_priv
->cman
, command_size
,
2478 SVGA3D_INVALID_ID
, false, header
);
2480 vmw_apply_relocations(sw_context
);
2481 vmw_resource_relocations_apply(cmd
, &sw_context
->res_relocations
);
2482 vmw_resource_relocations_free(&sw_context
->res_relocations
);
2483 vmw_cmdbuf_commit(dev_priv
->cman
, command_size
, header
, false);
2489 * vmw_execbuf_cmdbuf - Prepare, if possible, a user-space command batch for
2490 * submission using a command buffer.
2492 * @dev_priv: Pointer to a device private structure.
2493 * @user_commands: User-space pointer to the commands to be submitted.
2494 * @command_size: Size of the unpatched command batch.
2495 * @header: Out parameter returning the opaque pointer to the command buffer.
2497 * This function checks whether we can use the command buffer manager for
2498 * submission and if so, creates a command buffer of suitable size and
2499 * copies the user data into that buffer.
2501 * On successful return, the function returns a pointer to the data in the
2502 * command buffer and *@header is set to non-NULL.
2503 * If command buffers could not be used, the function will return the value
2504 * of @kernel_commands on function call. That value may be NULL. In that case,
2505 * the value of *@header will be set to NULL.
2506 * If an error is encountered, the function will return a pointer error value.
2507 * If the function is interrupted by a signal while sleeping, it will return
2508 * -ERESTARTSYS casted to a pointer error value.
2510 void *vmw_execbuf_cmdbuf(struct vmw_private
*dev_priv
,
2511 void __user
*user_commands
,
2512 void *kernel_commands
,
2514 struct vmw_cmdbuf_header
**header
)
2520 if (!dev_priv
->cman
|| kernel_commands
)
2521 return kernel_commands
;
2523 if (command_size
> SVGA_CB_MAX_SIZE
) {
2524 DRM_ERROR("Command buffer is too large.\n");
2525 return ERR_PTR(-EINVAL
);
2528 /* If possible, add a little space for fencing. */
2529 cmdbuf_size
= command_size
+ 512;
2530 cmdbuf_size
= min_t(size_t, cmdbuf_size
, SVGA_CB_MAX_SIZE
);
2531 kernel_commands
= vmw_cmdbuf_alloc(dev_priv
->cman
, cmdbuf_size
,
2533 if (IS_ERR(kernel_commands
))
2534 return kernel_commands
;
2536 ret
= copy_from_user(kernel_commands
, user_commands
,
2539 DRM_ERROR("Failed copying commands.\n");
2540 vmw_cmdbuf_header_free(*header
);
2542 return ERR_PTR(-EFAULT
);
2545 return kernel_commands
;
2548 int vmw_execbuf_process(struct drm_file
*file_priv
,
2549 struct vmw_private
*dev_priv
,
2550 void __user
*user_commands
,
2551 void *kernel_commands
,
2552 uint32_t command_size
,
2553 uint64_t throttle_us
,
2555 struct drm_vmw_fence_rep __user
*user_fence_rep
,
2556 struct vmw_fence_obj
**out_fence
)
2558 struct vmw_sw_context
*sw_context
= &dev_priv
->ctx
;
2559 struct vmw_fence_obj
*fence
= NULL
;
2560 struct vmw_resource
*error_resource
;
2561 struct list_head resource_list
;
2562 struct vmw_cmdbuf_header
*header
;
2563 struct ww_acquire_ctx ticket
;
2568 ret
= vmw_wait_lag(dev_priv
, &dev_priv
->fifo
.marker_queue
,
2575 kernel_commands
= vmw_execbuf_cmdbuf(dev_priv
, user_commands
,
2576 kernel_commands
, command_size
,
2578 if (IS_ERR(kernel_commands
))
2579 return PTR_ERR(kernel_commands
);
2581 ret
= mutex_lock_interruptible(&dev_priv
->cmdbuf_mutex
);
2584 goto out_free_header
;
2587 sw_context
->kernel
= false;
2588 if (kernel_commands
== NULL
) {
2589 ret
= vmw_resize_cmd_bounce(sw_context
, command_size
);
2590 if (unlikely(ret
!= 0))
2594 ret
= copy_from_user(sw_context
->cmd_bounce
,
2595 user_commands
, command_size
);
2597 if (unlikely(ret
!= 0)) {
2599 DRM_ERROR("Failed copying commands.\n");
2602 kernel_commands
= sw_context
->cmd_bounce
;
2604 sw_context
->kernel
= true;
2606 sw_context
->fp
= vmw_fpriv(file_priv
);
2607 sw_context
->cur_reloc
= 0;
2608 sw_context
->cur_val_buf
= 0;
2609 sw_context
->quirks
= quirks
;
2610 INIT_LIST_HEAD(&sw_context
->resource_list
);
2611 sw_context
->cur_query_bo
= dev_priv
->pinned_bo
;
2612 sw_context
->last_query_ctx
= NULL
;
2613 sw_context
->needs_post_query_barrier
= false;
2614 memset(sw_context
->res_cache
, 0, sizeof(sw_context
->res_cache
));
2615 INIT_LIST_HEAD(&sw_context
->validate_nodes
);
2616 INIT_LIST_HEAD(&sw_context
->res_relocations
);
2617 if (!sw_context
->res_ht_initialized
) {
2618 ret
= drm_ht_create(&sw_context
->res_ht
, VMW_RES_HT_ORDER
);
2619 if (unlikely(ret
!= 0))
2621 sw_context
->res_ht_initialized
= true;
2623 INIT_LIST_HEAD(&sw_context
->staged_cmd_res
);
2624 INIT_LIST_HEAD(&resource_list
);
2625 ret
= vmw_cmd_check_all(dev_priv
, sw_context
, kernel_commands
,
2627 if (unlikely(ret
!= 0))
2630 ret
= vmw_resources_reserve(sw_context
);
2631 if (unlikely(ret
!= 0))
2634 ret
= ttm_eu_reserve_buffers(&ticket
, &sw_context
->validate_nodes
,
2636 if (unlikely(ret
!= 0))
2639 ret
= vmw_validate_buffers(dev_priv
, sw_context
);
2640 if (unlikely(ret
!= 0))
2643 ret
= vmw_resources_validate(sw_context
);
2644 if (unlikely(ret
!= 0))
2647 ret
= mutex_lock_interruptible(&dev_priv
->binding_mutex
);
2648 if (unlikely(ret
!= 0)) {
2653 if (dev_priv
->has_mob
) {
2654 ret
= vmw_rebind_contexts(sw_context
);
2655 if (unlikely(ret
!= 0))
2656 goto out_unlock_binding
;
2660 ret
= vmw_execbuf_submit_fifo(dev_priv
, kernel_commands
,
2661 command_size
, sw_context
);
2663 ret
= vmw_execbuf_submit_cmdbuf(dev_priv
, header
, command_size
,
2668 goto out_unlock_binding
;
2670 vmw_query_bo_switch_commit(dev_priv
, sw_context
);
2671 ret
= vmw_execbuf_fence_commands(file_priv
, dev_priv
,
2673 (user_fence_rep
) ? &handle
: NULL
);
2675 * This error is harmless, because if fence submission fails,
2676 * vmw_fifo_send_fence will sync. The error will be propagated to
2677 * user-space in @fence_rep
2681 DRM_ERROR("Fence submission error. Syncing.\n");
2683 vmw_resource_list_unreserve(&sw_context
->resource_list
, false);
2684 mutex_unlock(&dev_priv
->binding_mutex
);
2686 ttm_eu_fence_buffer_objects(&ticket
, &sw_context
->validate_nodes
,
2689 if (unlikely(dev_priv
->pinned_bo
!= NULL
&&
2690 !dev_priv
->query_cid_valid
))
2691 __vmw_execbuf_release_pinned_bo(dev_priv
, fence
);
2693 vmw_clear_validations(sw_context
);
2694 vmw_execbuf_copy_fence_user(dev_priv
, vmw_fpriv(file_priv
), ret
,
2695 user_fence_rep
, fence
, handle
);
2697 /* Don't unreference when handing fence out */
2698 if (unlikely(out_fence
!= NULL
)) {
2701 } else if (likely(fence
!= NULL
)) {
2702 vmw_fence_obj_unreference(&fence
);
2705 list_splice_init(&sw_context
->resource_list
, &resource_list
);
2706 vmw_cmdbuf_res_commit(&sw_context
->staged_cmd_res
);
2707 mutex_unlock(&dev_priv
->cmdbuf_mutex
);
2710 * Unreference resources outside of the cmdbuf_mutex to
2711 * avoid deadlocks in resource destruction paths.
2713 vmw_resource_list_unreference(&resource_list
);
2718 mutex_unlock(&dev_priv
->binding_mutex
);
2720 ttm_eu_backoff_reservation(&ticket
, &sw_context
->validate_nodes
);
2722 vmw_resource_list_unreserve(&sw_context
->resource_list
, true);
2723 vmw_resource_relocations_free(&sw_context
->res_relocations
);
2724 vmw_free_relocations(sw_context
);
2725 vmw_clear_validations(sw_context
);
2726 if (unlikely(dev_priv
->pinned_bo
!= NULL
&&
2727 !dev_priv
->query_cid_valid
))
2728 __vmw_execbuf_release_pinned_bo(dev_priv
, NULL
);
2730 list_splice_init(&sw_context
->resource_list
, &resource_list
);
2731 error_resource
= sw_context
->error_resource
;
2732 sw_context
->error_resource
= NULL
;
2733 vmw_cmdbuf_res_revert(&sw_context
->staged_cmd_res
);
2734 mutex_unlock(&dev_priv
->cmdbuf_mutex
);
2737 * Unreference resources outside of the cmdbuf_mutex to
2738 * avoid deadlocks in resource destruction paths.
2740 vmw_resource_list_unreference(&resource_list
);
2741 if (unlikely(error_resource
!= NULL
))
2742 vmw_resource_unreference(&error_resource
);
2745 vmw_cmdbuf_header_free(header
);
2751 * vmw_execbuf_unpin_panic - Idle the fifo and unpin the query buffer.
2753 * @dev_priv: The device private structure.
2755 * This function is called to idle the fifo and unpin the query buffer
2756 * if the normal way to do this hits an error, which should typically be
2759 static void vmw_execbuf_unpin_panic(struct vmw_private
*dev_priv
)
2761 DRM_ERROR("Can't unpin query buffer. Trying to recover.\n");
2763 (void) vmw_fallback_wait(dev_priv
, false, true, 0, false, 10*HZ
);
2764 vmw_bo_pin_reserved(dev_priv
->pinned_bo
, false);
2765 if (dev_priv
->dummy_query_bo_pinned
) {
2766 vmw_bo_pin_reserved(dev_priv
->dummy_query_bo
, false);
2767 dev_priv
->dummy_query_bo_pinned
= false;
2773 * __vmw_execbuf_release_pinned_bo - Flush queries and unpin the pinned
2776 * @dev_priv: The device private structure.
2777 * @fence: If non-NULL should point to a struct vmw_fence_obj issued
2778 * _after_ a query barrier that flushes all queries touching the current
2779 * buffer pointed to by @dev_priv->pinned_bo
2781 * This function should be used to unpin the pinned query bo, or
2782 * as a query barrier when we need to make sure that all queries have
2783 * finished before the next fifo command. (For example on hardware
2784 * context destructions where the hardware may otherwise leak unfinished
2787 * This function does not return any failure codes, but make attempts
2788 * to do safe unpinning in case of errors.
2790 * The function will synchronize on the previous query barrier, and will
2791 * thus not finish until that barrier has executed.
2793 * the @dev_priv->cmdbuf_mutex needs to be held by the current thread
2794 * before calling this function.
2796 void __vmw_execbuf_release_pinned_bo(struct vmw_private
*dev_priv
,
2797 struct vmw_fence_obj
*fence
)
2800 struct list_head validate_list
;
2801 struct ttm_validate_buffer pinned_val
, query_val
;
2802 struct vmw_fence_obj
*lfence
= NULL
;
2803 struct ww_acquire_ctx ticket
;
2805 if (dev_priv
->pinned_bo
== NULL
)
2808 INIT_LIST_HEAD(&validate_list
);
2810 pinned_val
.bo
= ttm_bo_reference(&dev_priv
->pinned_bo
->base
);
2811 pinned_val
.shared
= false;
2812 list_add_tail(&pinned_val
.head
, &validate_list
);
2814 query_val
.bo
= ttm_bo_reference(&dev_priv
->dummy_query_bo
->base
);
2815 query_val
.shared
= false;
2816 list_add_tail(&query_val
.head
, &validate_list
);
2818 ret
= ttm_eu_reserve_buffers(&ticket
, &validate_list
,
2820 if (unlikely(ret
!= 0)) {
2821 vmw_execbuf_unpin_panic(dev_priv
);
2822 goto out_no_reserve
;
2825 if (dev_priv
->query_cid_valid
) {
2826 BUG_ON(fence
!= NULL
);
2827 ret
= vmw_fifo_emit_dummy_query(dev_priv
, dev_priv
->query_cid
);
2828 if (unlikely(ret
!= 0)) {
2829 vmw_execbuf_unpin_panic(dev_priv
);
2832 dev_priv
->query_cid_valid
= false;
2835 vmw_bo_pin_reserved(dev_priv
->pinned_bo
, false);
2836 if (dev_priv
->dummy_query_bo_pinned
) {
2837 vmw_bo_pin_reserved(dev_priv
->dummy_query_bo
, false);
2838 dev_priv
->dummy_query_bo_pinned
= false;
2840 if (fence
== NULL
) {
2841 (void) vmw_execbuf_fence_commands(NULL
, dev_priv
, &lfence
,
2845 ttm_eu_fence_buffer_objects(&ticket
, &validate_list
, (void *) fence
);
2847 vmw_fence_obj_unreference(&lfence
);
2849 ttm_bo_unref(&query_val
.bo
);
2850 ttm_bo_unref(&pinned_val
.bo
);
2851 vmw_dmabuf_unreference(&dev_priv
->pinned_bo
);
2852 DRM_INFO("Dummy query bo pin count: %d\n",
2853 dev_priv
->dummy_query_bo
->pin_count
);
2859 ttm_eu_backoff_reservation(&ticket
, &validate_list
);
2861 ttm_bo_unref(&query_val
.bo
);
2862 ttm_bo_unref(&pinned_val
.bo
);
2863 vmw_dmabuf_unreference(&dev_priv
->pinned_bo
);
2867 * vmw_execbuf_release_pinned_bo - Flush queries and unpin the pinned
2870 * @dev_priv: The device private structure.
2872 * This function should be used to unpin the pinned query bo, or
2873 * as a query barrier when we need to make sure that all queries have
2874 * finished before the next fifo command. (For example on hardware
2875 * context destructions where the hardware may otherwise leak unfinished
2878 * This function does not return any failure codes, but make attempts
2879 * to do safe unpinning in case of errors.
2881 * The function will synchronize on the previous query barrier, and will
2882 * thus not finish until that barrier has executed.
2884 void vmw_execbuf_release_pinned_bo(struct vmw_private
*dev_priv
)
2886 mutex_lock(&dev_priv
->cmdbuf_mutex
);
2887 if (dev_priv
->query_cid_valid
)
2888 __vmw_execbuf_release_pinned_bo(dev_priv
, NULL
);
2889 mutex_unlock(&dev_priv
->cmdbuf_mutex
);
2893 int vmw_execbuf_ioctl(struct drm_device
*dev
, void *data
,
2894 struct drm_file
*file_priv
)
2896 struct vmw_private
*dev_priv
= vmw_priv(dev
);
2897 struct drm_vmw_execbuf_arg
*arg
= (struct drm_vmw_execbuf_arg
*)data
;
2901 * This will allow us to extend the ioctl argument while
2902 * maintaining backwards compatibility:
2903 * We take different code paths depending on the value of
2907 if (unlikely(arg
->version
!= DRM_VMW_EXECBUF_VERSION
)) {
2908 DRM_ERROR("Incorrect execbuf version.\n");
2909 DRM_ERROR("You're running outdated experimental "
2910 "vmwgfx user-space drivers.");
2914 ret
= ttm_read_lock(&dev_priv
->reservation_sem
, true);
2915 if (unlikely(ret
!= 0))
2918 ret
= vmw_execbuf_process(file_priv
, dev_priv
,
2919 (void __user
*)(unsigned long)arg
->commands
,
2920 NULL
, arg
->command_size
, arg
->throttle_us
,
2922 (void __user
*)(unsigned long)arg
->fence_rep
,
2924 ttm_read_unlock(&dev_priv
->reservation_sem
);
2925 if (unlikely(ret
!= 0))
2928 vmw_kms_cursor_post_execbuf(dev_priv
);