1 /**************************************************************************
3 * Copyright © 2009-2012 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_resource_priv.h"
30 #include "ttm/ttm_placement.h"
32 struct vmw_user_context {
33 struct ttm_base_object base;
34 struct vmw_resource res;
35 struct vmw_ctx_binding_state cbs;
40 typedef int (*vmw_scrub_func)(struct vmw_ctx_bindinfo *, bool);
42 static void vmw_user_context_free(struct vmw_resource *res);
43 static struct vmw_resource *
44 vmw_user_context_base_to_res(struct ttm_base_object *base);
46 static int vmw_gb_context_create(struct vmw_resource *res);
47 static int vmw_gb_context_bind(struct vmw_resource *res,
48 struct ttm_validate_buffer *val_buf);
49 static int vmw_gb_context_unbind(struct vmw_resource *res,
51 struct ttm_validate_buffer *val_buf);
52 static int vmw_gb_context_destroy(struct vmw_resource *res);
53 static int vmw_context_scrub_shader(struct vmw_ctx_bindinfo *bi, bool rebind);
54 static int vmw_context_scrub_render_target(struct vmw_ctx_bindinfo *bi,
56 static int vmw_context_scrub_texture(struct vmw_ctx_bindinfo *bi, bool rebind);
57 static void vmw_context_binding_state_scrub(struct vmw_ctx_binding_state *cbs);
58 static void vmw_context_binding_state_kill(struct vmw_ctx_binding_state *cbs);
59 static uint64_t vmw_user_context_size;
61 static const struct vmw_user_resource_conv user_context_conv = {
62 .object_type = VMW_RES_CONTEXT,
63 .base_obj_to_res = vmw_user_context_base_to_res,
64 .res_free = vmw_user_context_free
67 const struct vmw_user_resource_conv *user_context_converter =
71 static const struct vmw_res_func vmw_legacy_context_func = {
72 .res_type = vmw_res_context,
73 .needs_backup = false,
75 .type_name = "legacy contexts",
76 .backup_placement = NULL,
83 static const struct vmw_res_func vmw_gb_context_func = {
84 .res_type = vmw_res_context,
87 .type_name = "guest backed contexts",
88 .backup_placement = &vmw_mob_placement,
89 .create = vmw_gb_context_create,
90 .destroy = vmw_gb_context_destroy,
91 .bind = vmw_gb_context_bind,
92 .unbind = vmw_gb_context_unbind
95 static const vmw_scrub_func vmw_scrub_funcs[vmw_ctx_binding_max] = {
96 [vmw_ctx_binding_shader] = vmw_context_scrub_shader,
97 [vmw_ctx_binding_rt] = vmw_context_scrub_render_target,
98 [vmw_ctx_binding_tex] = vmw_context_scrub_texture };
101 * Context management:
104 static void vmw_hw_context_destroy(struct vmw_resource *res)
107 struct vmw_private *dev_priv = res->dev_priv;
109 SVGA3dCmdHeader header;
110 SVGA3dCmdDestroyContext body;
114 if (res->func->destroy == vmw_gb_context_destroy) {
115 mutex_lock(&dev_priv->cmdbuf_mutex);
116 mutex_lock(&dev_priv->binding_mutex);
117 (void) vmw_context_binding_state_kill
118 (&container_of(res, struct vmw_user_context, res)->cbs);
119 (void) vmw_gb_context_destroy(res);
120 if (dev_priv->pinned_bo != NULL &&
121 !dev_priv->query_cid_valid)
122 __vmw_execbuf_release_pinned_bo(dev_priv, NULL);
123 mutex_unlock(&dev_priv->binding_mutex);
124 mutex_unlock(&dev_priv->cmdbuf_mutex);
128 vmw_execbuf_release_pinned_bo(dev_priv);
129 cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd));
130 if (unlikely(cmd == NULL)) {
131 DRM_ERROR("Failed reserving FIFO space for surface "
136 cmd->header.id = cpu_to_le32(SVGA_3D_CMD_CONTEXT_DESTROY);
137 cmd->header.size = cpu_to_le32(sizeof(cmd->body));
138 cmd->body.cid = cpu_to_le32(res->id);
140 vmw_fifo_commit(dev_priv, sizeof(*cmd));
141 vmw_3d_resource_dec(dev_priv, false);
144 static int vmw_gb_context_init(struct vmw_private *dev_priv,
145 struct vmw_resource *res,
146 void (*res_free) (struct vmw_resource *res))
149 struct vmw_user_context *uctx =
150 container_of(res, struct vmw_user_context, res);
152 ret = vmw_resource_init(dev_priv, res, true,
153 res_free, &vmw_gb_context_func);
154 res->backup_size = SVGA3D_CONTEXT_DATA_SIZE;
156 if (unlikely(ret != 0)) {
164 memset(&uctx->cbs, 0, sizeof(uctx->cbs));
165 INIT_LIST_HEAD(&uctx->cbs.list);
167 vmw_resource_activate(res, vmw_hw_context_destroy);
171 static int vmw_context_init(struct vmw_private *dev_priv,
172 struct vmw_resource *res,
173 void (*res_free) (struct vmw_resource *res))
178 SVGA3dCmdHeader header;
179 SVGA3dCmdDefineContext body;
182 if (dev_priv->has_mob)
183 return vmw_gb_context_init(dev_priv, res, res_free);
185 ret = vmw_resource_init(dev_priv, res, false,
186 res_free, &vmw_legacy_context_func);
188 if (unlikely(ret != 0)) {
189 DRM_ERROR("Failed to allocate a resource id.\n");
193 if (unlikely(res->id >= SVGA3D_MAX_CONTEXT_IDS)) {
194 DRM_ERROR("Out of hw context ids.\n");
195 vmw_resource_unreference(&res);
199 cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd));
200 if (unlikely(cmd == NULL)) {
201 DRM_ERROR("Fifo reserve failed.\n");
202 vmw_resource_unreference(&res);
206 cmd->header.id = cpu_to_le32(SVGA_3D_CMD_CONTEXT_DEFINE);
207 cmd->header.size = cpu_to_le32(sizeof(cmd->body));
208 cmd->body.cid = cpu_to_le32(res->id);
210 vmw_fifo_commit(dev_priv, sizeof(*cmd));
211 (void) vmw_3d_resource_inc(dev_priv, false);
212 vmw_resource_activate(res, vmw_hw_context_destroy);
216 if (res_free == NULL)
223 struct vmw_resource *vmw_context_alloc(struct vmw_private *dev_priv)
225 struct vmw_resource *res = kmalloc(sizeof(*res), GFP_KERNEL);
228 if (unlikely(res == NULL))
231 ret = vmw_context_init(dev_priv, res, NULL);
233 return (ret == 0) ? res : NULL;
237 static int vmw_gb_context_create(struct vmw_resource *res)
239 struct vmw_private *dev_priv = res->dev_priv;
242 SVGA3dCmdHeader header;
243 SVGA3dCmdDefineGBContext body;
246 if (likely(res->id != -1))
249 ret = vmw_resource_alloc_id(res);
250 if (unlikely(ret != 0)) {
251 DRM_ERROR("Failed to allocate a context id.\n");
255 if (unlikely(res->id >= VMWGFX_NUM_GB_CONTEXT)) {
260 cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd));
261 if (unlikely(cmd == NULL)) {
262 DRM_ERROR("Failed reserving FIFO space for context "
268 cmd->header.id = SVGA_3D_CMD_DEFINE_GB_CONTEXT;
269 cmd->header.size = sizeof(cmd->body);
270 cmd->body.cid = res->id;
271 vmw_fifo_commit(dev_priv, sizeof(*cmd));
272 (void) vmw_3d_resource_inc(dev_priv, false);
277 vmw_resource_release_id(res);
282 static int vmw_gb_context_bind(struct vmw_resource *res,
283 struct ttm_validate_buffer *val_buf)
285 struct vmw_private *dev_priv = res->dev_priv;
287 SVGA3dCmdHeader header;
288 SVGA3dCmdBindGBContext body;
290 struct ttm_buffer_object *bo = val_buf->bo;
292 BUG_ON(bo->mem.mem_type != VMW_PL_MOB);
294 cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd));
295 if (unlikely(cmd == NULL)) {
296 DRM_ERROR("Failed reserving FIFO space for context "
301 cmd->header.id = SVGA_3D_CMD_BIND_GB_CONTEXT;
302 cmd->header.size = sizeof(cmd->body);
303 cmd->body.cid = res->id;
304 cmd->body.mobid = bo->mem.start;
305 cmd->body.validContents = res->backup_dirty;
306 res->backup_dirty = false;
307 vmw_fifo_commit(dev_priv, sizeof(*cmd));
312 static int vmw_gb_context_unbind(struct vmw_resource *res,
314 struct ttm_validate_buffer *val_buf)
316 struct vmw_private *dev_priv = res->dev_priv;
317 struct ttm_buffer_object *bo = val_buf->bo;
318 struct vmw_fence_obj *fence;
319 struct vmw_user_context *uctx =
320 container_of(res, struct vmw_user_context, res);
323 SVGA3dCmdHeader header;
324 SVGA3dCmdReadbackGBContext body;
327 SVGA3dCmdHeader header;
328 SVGA3dCmdBindGBContext body;
330 uint32_t submit_size;
334 BUG_ON(bo->mem.mem_type != VMW_PL_MOB);
336 mutex_lock(&dev_priv->binding_mutex);
337 vmw_context_binding_state_scrub(&uctx->cbs);
339 submit_size = sizeof(*cmd2) + (readback ? sizeof(*cmd1) : 0);
341 cmd = vmw_fifo_reserve(dev_priv, submit_size);
342 if (unlikely(cmd == NULL)) {
343 DRM_ERROR("Failed reserving FIFO space for context "
345 mutex_unlock(&dev_priv->binding_mutex);
352 cmd1->header.id = SVGA_3D_CMD_READBACK_GB_CONTEXT;
353 cmd1->header.size = sizeof(cmd1->body);
354 cmd1->body.cid = res->id;
355 cmd2 = (void *) (&cmd1[1]);
357 cmd2->header.id = SVGA_3D_CMD_BIND_GB_CONTEXT;
358 cmd2->header.size = sizeof(cmd2->body);
359 cmd2->body.cid = res->id;
360 cmd2->body.mobid = SVGA3D_INVALID_ID;
362 vmw_fifo_commit(dev_priv, submit_size);
363 mutex_unlock(&dev_priv->binding_mutex);
366 * Create a fence object and fence the backup buffer.
369 (void) vmw_execbuf_fence_commands(NULL, dev_priv,
372 vmw_fence_single_bo(bo, fence);
374 if (likely(fence != NULL))
375 vmw_fence_obj_unreference(&fence);
380 static int vmw_gb_context_destroy(struct vmw_resource *res)
382 struct vmw_private *dev_priv = res->dev_priv;
384 SVGA3dCmdHeader header;
385 SVGA3dCmdDestroyGBContext body;
388 if (likely(res->id == -1))
391 cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd));
392 if (unlikely(cmd == NULL)) {
393 DRM_ERROR("Failed reserving FIFO space for context "
398 cmd->header.id = SVGA_3D_CMD_DESTROY_GB_CONTEXT;
399 cmd->header.size = sizeof(cmd->body);
400 cmd->body.cid = res->id;
401 vmw_fifo_commit(dev_priv, sizeof(*cmd));
402 if (dev_priv->query_cid == res->id)
403 dev_priv->query_cid_valid = false;
404 vmw_resource_release_id(res);
405 vmw_3d_resource_dec(dev_priv, false);
411 * User-space context management:
414 static struct vmw_resource *
415 vmw_user_context_base_to_res(struct ttm_base_object *base)
417 return &(container_of(base, struct vmw_user_context, base)->res);
420 static void vmw_user_context_free(struct vmw_resource *res)
422 struct vmw_user_context *ctx =
423 container_of(res, struct vmw_user_context, res);
424 struct vmw_private *dev_priv = res->dev_priv;
426 ttm_base_object_kfree(ctx, base);
427 ttm_mem_global_free(vmw_mem_glob(dev_priv),
428 vmw_user_context_size);
432 * This function is called when user space has no more references on the
433 * base object. It releases the base-object's reference on the resource object.
436 static void vmw_user_context_base_release(struct ttm_base_object **p_base)
438 struct ttm_base_object *base = *p_base;
439 struct vmw_user_context *ctx =
440 container_of(base, struct vmw_user_context, base);
441 struct vmw_resource *res = &ctx->res;
444 vmw_resource_unreference(&res);
447 int vmw_context_destroy_ioctl(struct drm_device *dev, void *data,
448 struct drm_file *file_priv)
450 struct drm_vmw_context_arg *arg = (struct drm_vmw_context_arg *)data;
451 struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
453 return ttm_ref_object_base_unref(tfile, arg->cid, TTM_REF_USAGE);
456 int vmw_context_define_ioctl(struct drm_device *dev, void *data,
457 struct drm_file *file_priv)
459 struct vmw_private *dev_priv = vmw_priv(dev);
460 struct vmw_user_context *ctx;
461 struct vmw_resource *res;
462 struct vmw_resource *tmp;
463 struct drm_vmw_context_arg *arg = (struct drm_vmw_context_arg *)data;
464 struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
465 struct vmw_master *vmaster = vmw_master(file_priv->master);
470 * Approximate idr memory usage with 128 bytes. It will be limited
471 * by maximum number_of contexts anyway.
474 if (unlikely(vmw_user_context_size == 0))
475 vmw_user_context_size = ttm_round_pot(sizeof(*ctx)) + 128;
477 ret = ttm_read_lock(&vmaster->lock, true);
478 if (unlikely(ret != 0))
481 ret = ttm_mem_global_alloc(vmw_mem_glob(dev_priv),
482 vmw_user_context_size,
484 if (unlikely(ret != 0)) {
485 if (ret != -ERESTARTSYS)
486 DRM_ERROR("Out of graphics memory for context"
491 ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
492 if (unlikely(ctx == NULL)) {
493 ttm_mem_global_free(vmw_mem_glob(dev_priv),
494 vmw_user_context_size);
500 ctx->base.shareable = false;
501 ctx->base.tfile = NULL;
504 * From here on, the destructor takes over resource freeing.
507 ret = vmw_context_init(dev_priv, res, vmw_user_context_free);
508 if (unlikely(ret != 0))
511 tmp = vmw_resource_reference(&ctx->res);
512 ret = ttm_base_object_init(tfile, &ctx->base, false, VMW_RES_CONTEXT,
513 &vmw_user_context_base_release, NULL);
515 if (unlikely(ret != 0)) {
516 vmw_resource_unreference(&tmp);
520 arg->cid = ctx->base.hash.key;
522 vmw_resource_unreference(&res);
524 ttm_read_unlock(&vmaster->lock);
530 * vmw_context_scrub_shader - scrub a shader binding from a context.
532 * @bi: single binding information.
533 * @rebind: Whether to issue a bind instead of scrub command.
535 static int vmw_context_scrub_shader(struct vmw_ctx_bindinfo *bi, bool rebind)
537 struct vmw_private *dev_priv = bi->ctx->dev_priv;
539 SVGA3dCmdHeader header;
540 SVGA3dCmdSetShader body;
543 cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd));
544 if (unlikely(cmd == NULL)) {
545 DRM_ERROR("Failed reserving FIFO space for shader "
550 cmd->header.id = SVGA_3D_CMD_SET_SHADER;
551 cmd->header.size = sizeof(cmd->body);
552 cmd->body.cid = bi->ctx->id;
553 cmd->body.type = bi->i1.shader_type;
554 cmd->body.shid = ((rebind) ? bi->res->id : SVGA3D_INVALID_ID);
555 vmw_fifo_commit(dev_priv, sizeof(*cmd));
561 * vmw_context_scrub_render_target - scrub a render target binding
564 * @bi: single binding information.
565 * @rebind: Whether to issue a bind instead of scrub command.
567 static int vmw_context_scrub_render_target(struct vmw_ctx_bindinfo *bi,
570 struct vmw_private *dev_priv = bi->ctx->dev_priv;
572 SVGA3dCmdHeader header;
573 SVGA3dCmdSetRenderTarget body;
576 cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd));
577 if (unlikely(cmd == NULL)) {
578 DRM_ERROR("Failed reserving FIFO space for render target "
583 cmd->header.id = SVGA_3D_CMD_SETRENDERTARGET;
584 cmd->header.size = sizeof(cmd->body);
585 cmd->body.cid = bi->ctx->id;
586 cmd->body.type = bi->i1.rt_type;
587 cmd->body.target.sid = ((rebind) ? bi->res->id : SVGA3D_INVALID_ID);
588 cmd->body.target.face = 0;
589 cmd->body.target.mipmap = 0;
590 vmw_fifo_commit(dev_priv, sizeof(*cmd));
596 * vmw_context_scrub_texture - scrub a texture binding from a context.
598 * @bi: single binding information.
599 * @rebind: Whether to issue a bind instead of scrub command.
601 * TODO: Possibly complement this function with a function that takes
602 * a list of texture bindings and combines them to a single command.
604 static int vmw_context_scrub_texture(struct vmw_ctx_bindinfo *bi,
607 struct vmw_private *dev_priv = bi->ctx->dev_priv;
609 SVGA3dCmdHeader header;
611 SVGA3dCmdSetTextureState c;
612 SVGA3dTextureState s1;
616 cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd));
617 if (unlikely(cmd == NULL)) {
618 DRM_ERROR("Failed reserving FIFO space for texture "
624 cmd->header.id = SVGA_3D_CMD_SETTEXTURESTATE;
625 cmd->header.size = sizeof(cmd->body);
626 cmd->body.c.cid = bi->ctx->id;
627 cmd->body.s1.stage = bi->i1.texture_stage;
628 cmd->body.s1.name = SVGA3D_TS_BIND_TEXTURE;
629 cmd->body.s1.value = ((rebind) ? bi->res->id : SVGA3D_INVALID_ID);
630 vmw_fifo_commit(dev_priv, sizeof(*cmd));
636 * vmw_context_binding_drop: Stop tracking a context binding
638 * @cb: Pointer to binding tracker storage.
640 * Stops tracking a context binding, and re-initializes its storage.
641 * Typically used when the context binding is replaced with a binding to
642 * another (or the same, for that matter) resource.
644 static void vmw_context_binding_drop(struct vmw_ctx_binding *cb)
646 list_del(&cb->ctx_list);
647 if (!list_empty(&cb->res_list))
648 list_del(&cb->res_list);
653 * vmw_context_binding_add: Start tracking a context binding
655 * @cbs: Pointer to the context binding state tracker.
656 * @bi: Information about the binding to track.
658 * Performs basic checks on the binding to make sure arguments are within
659 * bounds and then starts tracking the binding in the context binding
660 * state structure @cbs.
662 int vmw_context_binding_add(struct vmw_ctx_binding_state *cbs,
663 const struct vmw_ctx_bindinfo *bi)
665 struct vmw_ctx_binding *loc;
668 case vmw_ctx_binding_rt:
669 if (unlikely((unsigned)bi->i1.rt_type >= SVGA3D_RT_MAX)) {
670 DRM_ERROR("Illegal render target type %u.\n",
671 (unsigned) bi->i1.rt_type);
674 loc = &cbs->render_targets[bi->i1.rt_type];
676 case vmw_ctx_binding_tex:
677 if (unlikely((unsigned)bi->i1.texture_stage >=
678 SVGA3D_NUM_TEXTURE_UNITS)) {
679 DRM_ERROR("Illegal texture/sampler unit %u.\n",
680 (unsigned) bi->i1.texture_stage);
683 loc = &cbs->texture_units[bi->i1.texture_stage];
685 case vmw_ctx_binding_shader:
686 if (unlikely((unsigned)bi->i1.shader_type >=
687 SVGA3D_SHADERTYPE_MAX)) {
688 DRM_ERROR("Illegal shader type %u.\n",
689 (unsigned) bi->i1.shader_type);
692 loc = &cbs->shaders[bi->i1.shader_type];
698 if (loc->bi.ctx != NULL)
699 vmw_context_binding_drop(loc);
702 loc->bi.scrubbed = false;
703 list_add_tail(&loc->ctx_list, &cbs->list);
704 INIT_LIST_HEAD(&loc->res_list);
710 * vmw_context_binding_transfer: Transfer a context binding tracking entry.
712 * @cbs: Pointer to the persistent context binding state tracker.
713 * @bi: Information about the binding to track.
716 static void vmw_context_binding_transfer(struct vmw_ctx_binding_state *cbs,
717 const struct vmw_ctx_bindinfo *bi)
719 struct vmw_ctx_binding *loc;
722 case vmw_ctx_binding_rt:
723 loc = &cbs->render_targets[bi->i1.rt_type];
725 case vmw_ctx_binding_tex:
726 loc = &cbs->texture_units[bi->i1.texture_stage];
728 case vmw_ctx_binding_shader:
729 loc = &cbs->shaders[bi->i1.shader_type];
735 if (loc->bi.ctx != NULL)
736 vmw_context_binding_drop(loc);
738 if (bi->res != NULL) {
740 list_add_tail(&loc->ctx_list, &cbs->list);
741 list_add_tail(&loc->res_list, &bi->res->binding_head);
746 * vmw_context_binding_kill - Kill a binding on the device
747 * and stop tracking it.
749 * @cb: Pointer to binding tracker storage.
751 * Emits FIFO commands to scrub a binding represented by @cb.
752 * Then stops tracking the binding and re-initializes its storage.
754 static void vmw_context_binding_kill(struct vmw_ctx_binding *cb)
756 if (!cb->bi.scrubbed) {
757 (void) vmw_scrub_funcs[cb->bi.bt](&cb->bi, false);
758 cb->bi.scrubbed = true;
760 vmw_context_binding_drop(cb);
764 * vmw_context_binding_state_kill - Kill all bindings associated with a
765 * struct vmw_ctx_binding state structure, and re-initialize the structure.
767 * @cbs: Pointer to the context binding state tracker.
769 * Emits commands to scrub all bindings associated with the
770 * context binding state tracker. Then re-initializes the whole structure.
772 static void vmw_context_binding_state_kill(struct vmw_ctx_binding_state *cbs)
774 struct vmw_ctx_binding *entry, *next;
776 list_for_each_entry_safe(entry, next, &cbs->list, ctx_list)
777 vmw_context_binding_kill(entry);
781 * vmw_context_binding_state_scrub - Scrub all bindings associated with a
782 * struct vmw_ctx_binding state structure.
784 * @cbs: Pointer to the context binding state tracker.
786 * Emits commands to scrub all bindings associated with the
787 * context binding state tracker.
789 static void vmw_context_binding_state_scrub(struct vmw_ctx_binding_state *cbs)
791 struct vmw_ctx_binding *entry;
793 list_for_each_entry(entry, &cbs->list, ctx_list) {
794 if (!entry->bi.scrubbed) {
795 (void) vmw_scrub_funcs[entry->bi.bt](&entry->bi, false);
796 entry->bi.scrubbed = true;
802 * vmw_context_binding_res_list_kill - Kill all bindings on a
803 * resource binding list
805 * @head: list head of resource binding list
807 * Kills all bindings associated with a specific resource. Typically
808 * called before the resource is destroyed.
810 void vmw_context_binding_res_list_kill(struct list_head *head)
812 struct vmw_ctx_binding *entry, *next;
814 list_for_each_entry_safe(entry, next, head, res_list)
815 vmw_context_binding_kill(entry);
819 * vmw_context_binding_res_list_scrub - Scrub all bindings on a
820 * resource binding list
822 * @head: list head of resource binding list
824 * Scrub all bindings associated with a specific resource. Typically
825 * called before the resource is evicted.
827 void vmw_context_binding_res_list_scrub(struct list_head *head)
829 struct vmw_ctx_binding *entry;
831 list_for_each_entry(entry, head, res_list) {
832 if (!entry->bi.scrubbed) {
833 (void) vmw_scrub_funcs[entry->bi.bt](&entry->bi, false);
834 entry->bi.scrubbed = true;
840 * vmw_context_binding_state_transfer - Commit staged binding info
842 * @ctx: Pointer to context to commit the staged binding info to.
843 * @from: Staged binding info built during execbuf.
845 * Transfers binding info from a temporary structure to the persistent
846 * structure in the context. This can be done once commands
848 void vmw_context_binding_state_transfer(struct vmw_resource *ctx,
849 struct vmw_ctx_binding_state *from)
851 struct vmw_user_context *uctx =
852 container_of(ctx, struct vmw_user_context, res);
853 struct vmw_ctx_binding *entry, *next;
855 list_for_each_entry_safe(entry, next, &from->list, ctx_list)
856 vmw_context_binding_transfer(&uctx->cbs, &entry->bi);
860 * vmw_context_rebind_all - Rebind all scrubbed bindings of a context
862 * @ctx: The context resource
864 * Walks through the context binding list and rebinds all scrubbed
867 int vmw_context_rebind_all(struct vmw_resource *ctx)
869 struct vmw_ctx_binding *entry;
870 struct vmw_user_context *uctx =
871 container_of(ctx, struct vmw_user_context, res);
872 struct vmw_ctx_binding_state *cbs = &uctx->cbs;
875 list_for_each_entry(entry, &cbs->list, ctx_list) {
876 if (likely(!entry->bi.scrubbed))
879 if (WARN_ON(entry->bi.res == NULL || entry->bi.res->id ==
883 ret = vmw_scrub_funcs[entry->bi.bt](&entry->bi, true);
884 if (unlikely(ret != 0))
887 entry->bi.scrubbed = false;
894 * vmw_context_binding_list - Return a list of context bindings
896 * @ctx: The context resource
898 * Returns the current list of bindings of the given context. Note that
899 * this list becomes stale as soon as the dev_priv::binding_mutex is unlocked.
901 struct list_head *vmw_context_binding_list(struct vmw_resource *ctx)
903 return &(container_of(ctx, struct vmw_user_context, res)->cbs.list);