1 // SPDX-License-Identifier: GPL-2.0 OR MIT
4  * Copyright © 2018-2023 VMware, Inc., Palo Alto, CA., USA
21  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
37  * struct vmw_dx_streamoutput - Streamoutput resource metadata.
38  * @res: Base resource struct.
39  * @ctx: Non-refcounted context to which @res belong.
41  * @cotable_head: List head for cotable-so_res list.
42  * @id: User-space provided identifier.
43  * @size: User-space provided mob size.
51 	u32 id;  member
72 	.destroy = NULL, /* Command buffer managed resource. */
85  * vmw_dx_streamoutput_unscrub - Reattach the MOB to streamoutput.
86  * @res: The streamoutput resource.
93 	struct vmw_private *dev_priv = res->dev_priv;  in vmw_dx_streamoutput_unscrub()
99 	if (!list_empty(&so->cotable_head) || !so->committed )  in vmw_dx_streamoutput_unscrub()
102 	cmd = VMW_CMD_CTX_RESERVE(dev_priv, sizeof(*cmd), so->ctx->id);  in vmw_dx_streamoutput_unscrub()
104 		return -ENOMEM;  in vmw_dx_streamoutput_unscrub()
106 	cmd->header.id = SVGA_3D_CMD_DX_BIND_STREAMOUTPUT;  in vmw_dx_streamoutput_unscrub()
107 	cmd->header.size = sizeof(cmd->body);  in vmw_dx_streamoutput_unscrub()
108 	cmd->body.soid = so->id;  in vmw_dx_streamoutput_unscrub()
109 	cmd->body.mobid = res->guest_memory_bo->tbo.resource->start;  in vmw_dx_streamoutput_unscrub()
110 	cmd->body.offsetInBytes = res->guest_memory_offset;  in vmw_dx_streamoutput_unscrub()
111 	cmd->body.sizeInBytes = so->size;  in vmw_dx_streamoutput_unscrub()
114 	vmw_cotable_add_resource(so->cotable, &so->cotable_head);  in vmw_dx_streamoutput_unscrub()
121 	struct vmw_private *dev_priv = res->dev_priv;  in vmw_dx_streamoutput_create()
125 	WARN_ON_ONCE(!so->committed);  in vmw_dx_streamoutput_create()
128 		mutex_lock(&dev_priv->binding_mutex);  in vmw_dx_streamoutput_create()
130 		mutex_unlock(&dev_priv->binding_mutex);  in vmw_dx_streamoutput_create()
133 	res->id = so->id;  in vmw_dx_streamoutput_create()
141 	struct vmw_private *dev_priv = res->dev_priv;  in vmw_dx_streamoutput_bind()
142 	struct ttm_buffer_object *bo = val_buf->bo;  in vmw_dx_streamoutput_bind()
145 	if (WARN_ON(bo->resource->mem_type != VMW_PL_MOB))  in vmw_dx_streamoutput_bind()
146 		return -EINVAL;  in vmw_dx_streamoutput_bind()
148 	mutex_lock(&dev_priv->binding_mutex);  in vmw_dx_streamoutput_bind()
150 	mutex_unlock(&dev_priv->binding_mutex);  in vmw_dx_streamoutput_bind()
156  * vmw_dx_streamoutput_scrub - Unbind the MOB from streamoutput.
157  * @res: The streamoutput resource.
163 	struct vmw_private *dev_priv = res->dev_priv;  in vmw_dx_streamoutput_scrub()
170 	if (list_empty(&so->cotable_head))  in vmw_dx_streamoutput_scrub()
173 	WARN_ON_ONCE(!so->committed);  in vmw_dx_streamoutput_scrub()
175 	cmd = VMW_CMD_CTX_RESERVE(dev_priv, sizeof(*cmd), so->ctx->id);  in vmw_dx_streamoutput_scrub()
177 		return -ENOMEM;  in vmw_dx_streamoutput_scrub()
179 	cmd->header.id = SVGA_3D_CMD_DX_BIND_STREAMOUTPUT;  in vmw_dx_streamoutput_scrub()
180 	cmd->header.size = sizeof(cmd->body);  in vmw_dx_streamoutput_scrub()
181 	cmd->body.soid = res->id;  in vmw_dx_streamoutput_scrub()
182 	cmd->body.mobid = SVGA3D_INVALID_ID;  in vmw_dx_streamoutput_scrub()
183 	cmd->body.offsetInBytes = 0;  in vmw_dx_streamoutput_scrub()
184 	cmd->body.sizeInBytes = so->size;  in vmw_dx_streamoutput_scrub()
187 	res->id = -1;  in vmw_dx_streamoutput_scrub()
188 	list_del_init(&so->cotable_head);  in vmw_dx_streamoutput_scrub()
196 	struct vmw_private *dev_priv = res->dev_priv;  in vmw_dx_streamoutput_unbind()
200 	if (WARN_ON(res->guest_memory_bo->tbo.resource->mem_type != VMW_PL_MOB))  in vmw_dx_streamoutput_unbind()
201 		return -EINVAL;  in vmw_dx_streamoutput_unbind()
203 	mutex_lock(&dev_priv->binding_mutex);  in vmw_dx_streamoutput_unbind()
205 	mutex_unlock(&dev_priv->binding_mutex);  in vmw_dx_streamoutput_unbind()
211 	vmw_bo_fence_single(val_buf->bo, fence);  in vmw_dx_streamoutput_unbind()
222 	struct vmw_private *dev_priv = res->dev_priv;  in vmw_dx_streamoutput_commit_notify()
226 		mutex_lock(&dev_priv->binding_mutex);  in vmw_dx_streamoutput_commit_notify()
227 		vmw_cotable_add_resource(so->cotable, &so->cotable_head);  in vmw_dx_streamoutput_commit_notify()
228 		so->committed = true;  in vmw_dx_streamoutput_commit_notify()
229 		res->id = so->id;  in vmw_dx_streamoutput_commit_notify()
230 		mutex_unlock(&dev_priv->binding_mutex);  in vmw_dx_streamoutput_commit_notify()
232 		mutex_lock(&dev_priv->binding_mutex);  in vmw_dx_streamoutput_commit_notify()
233 		list_del_init(&so->cotable_head);  in vmw_dx_streamoutput_commit_notify()
234 		so->committed = false;  in vmw_dx_streamoutput_commit_notify()
235 		res->id = -1;  in vmw_dx_streamoutput_commit_notify()
236 		mutex_unlock(&dev_priv->binding_mutex);  in vmw_dx_streamoutput_commit_notify()
241  * vmw_dx_streamoutput_lookup - Do a streamoutput resource lookup by user key.
242  * @man: Command buffer managed resource manager for current context.
243  * @user_key: User-space identifier for lookup.
259 	vmw_resource_unreference(&so->cotable);  in vmw_dx_streamoutput_res_free()
265 	/* Destroyed by user-space cmd buf or as part of context takedown. */  in vmw_dx_streamoutput_hw_destroy()
266 	res->id = -1;  in vmw_dx_streamoutput_hw_destroy()
270  * vmw_dx_streamoutput_add - Add a streamoutput as a cmd buf managed resource.
271  * @man: Command buffer managed resource manager for current context.
272  * @ctx: Pointer to context resource.
284 	struct vmw_private *dev_priv = ctx->dev_priv;  in vmw_dx_streamoutput_add()
289 		return -ENOMEM;  in vmw_dx_streamoutput_add()
292 	res = &so->res;  in vmw_dx_streamoutput_add()
293 	so->ctx = ctx;  in vmw_dx_streamoutput_add()
294 	so->cotable = vmw_resource_reference  in vmw_dx_streamoutput_add()
296 	so->id = user_key;  in vmw_dx_streamoutput_add()
297 	so->committed = false;  in vmw_dx_streamoutput_add()
298 	INIT_LIST_HEAD(&so->cotable_head);  in vmw_dx_streamoutput_add()
310 	res->id = so->id;  in vmw_dx_streamoutput_add()
311 	res->hw_destroy = vmw_dx_streamoutput_hw_destroy;  in vmw_dx_streamoutput_add()
320  * vmw_dx_streamoutput_set_size - Sets streamoutput mob size in res struct.
322  * @size: The size provided by user-space to set.
328 	so->size = size;  in vmw_dx_streamoutput_set_size()
332  * vmw_dx_streamoutput_remove - Stage streamoutput for removal.
333  * @man: Command buffer managed resource manager for current context.
350  * vmw_dx_streamoutput_cotable_list_scrub - cotable unbind_func callback.
361 	lockdep_assert_held_once(&dev_priv->binding_mutex);  in vmw_dx_streamoutput_cotable_list_scrub()
364 		WARN_ON(vmw_dx_streamoutput_scrub(&entry->res));  in vmw_dx_streamoutput_cotable_list_scrub()
366 			entry->committed =false;  in vmw_dx_streamoutput_cotable_list_scrub()