32 static void tegra_vde_release_entry(struct tegra_vde_cache_entry *entry)  in tegra_vde_release_entry()  argument
34 	struct dma_buf *dmabuf = entry->a->dmabuf;  in tegra_vde_release_entry()
36 	WARN_ON_ONCE(entry->refcnt);  in tegra_vde_release_entry()
38 	if (entry->vde->domain)  in tegra_vde_release_entry()
39 		tegra_vde_iommu_unmap(entry->vde, entry->iova);  in tegra_vde_release_entry()
41 	dma_buf_unmap_attachment_unlocked(entry->a, entry->sgt, entry->dma_dir);  in tegra_vde_release_entry()
42 	dma_buf_detach(dmabuf, entry->a);  in tegra_vde_release_entry()
45 	list_del(&entry->list);  in tegra_vde_release_entry()
46 	kfree(entry);  in tegra_vde_release_entry()
51 	struct tegra_vde_cache_entry *entry;  in tegra_vde_delayed_unmap()  local
54 	entry = container_of(work, struct tegra_vde_cache_entry,  in tegra_vde_delayed_unmap()
56 	vde = entry->vde;  in tegra_vde_delayed_unmap()
59 	tegra_vde_release_entry(entry);  in tegra_vde_delayed_unmap()
70 	struct tegra_vde_cache_entry *entry;  in tegra_vde_dmabuf_cache_map()  local
78 	list_for_each_entry(entry, &vde->map_list, list) {  in tegra_vde_dmabuf_cache_map()
79 		if (entry->a->dmabuf != dmabuf)  in tegra_vde_dmabuf_cache_map()
82 		if (!cancel_delayed_work(&entry->dwork))  in tegra_vde_dmabuf_cache_map()
85 		if (entry->dma_dir != dma_dir)  in tegra_vde_dmabuf_cache_map()
86 			entry->dma_dir = DMA_BIDIRECTIONAL;  in tegra_vde_dmabuf_cache_map()
91 			*addrp = iova_dma_addr(&vde->iova, entry->iova);  in tegra_vde_dmabuf_cache_map()
93 			*addrp = sg_dma_address(entry->sgt->sgl);  in tegra_vde_dmabuf_cache_map()
118 	entry = kzalloc(sizeof(*entry), GFP_KERNEL);  in tegra_vde_dmabuf_cache_map()
119 	if (!entry) {  in tegra_vde_dmabuf_cache_map()
135 	INIT_DELAYED_WORK(&entry->dwork, tegra_vde_delayed_unmap);  in tegra_vde_dmabuf_cache_map()
136 	list_add(&entry->list, &vde->map_list);  in tegra_vde_dmabuf_cache_map()
138 	entry->dma_dir = dma_dir;  in tegra_vde_dmabuf_cache_map()
139 	entry->iova = iova;  in tegra_vde_dmabuf_cache_map()
140 	entry->vde = vde;  in tegra_vde_dmabuf_cache_map()
141 	entry->sgt = sgt;  in tegra_vde_dmabuf_cache_map()
142 	entry->a = attachment;  in tegra_vde_dmabuf_cache_map()
144 	entry->refcnt++;  in tegra_vde_dmabuf_cache_map()
146 	*ap = entry->a;  in tegra_vde_dmabuf_cache_map()
153 	kfree(entry);  in tegra_vde_dmabuf_cache_map()
168 	struct tegra_vde_cache_entry *entry;  in tegra_vde_dmabuf_cache_unmap()  local
172 	list_for_each_entry(entry, &vde->map_list, list) {  in tegra_vde_dmabuf_cache_unmap()
173 		if (entry->a != a)  in tegra_vde_dmabuf_cache_unmap()
176 		WARN_ON_ONCE(!entry->refcnt);  in tegra_vde_dmabuf_cache_unmap()
178 		if (--entry->refcnt == 0) {  in tegra_vde_dmabuf_cache_unmap()
180 				tegra_vde_release_entry(entry);  in tegra_vde_dmabuf_cache_unmap()
182 				schedule_delayed_work(&entry->dwork, 5 * HZ);  in tegra_vde_dmabuf_cache_unmap()
192 	struct tegra_vde_cache_entry *entry, *tmp;  in tegra_vde_dmabuf_cache_unmap_sync()  local
196 	list_for_each_entry_safe(entry, tmp, &vde->map_list, list) {  in tegra_vde_dmabuf_cache_unmap_sync()
197 		if (entry->refcnt)  in tegra_vde_dmabuf_cache_unmap_sync()
200 		if (!cancel_delayed_work(&entry->dwork))  in tegra_vde_dmabuf_cache_unmap_sync()
203 		tegra_vde_release_entry(entry);  in tegra_vde_dmabuf_cache_unmap_sync()
211 	struct tegra_vde_cache_entry *entry, *tmp;  in tegra_vde_dmabuf_cache_unmap_all()  local
216 		list_for_each_entry_safe(entry, tmp, &vde->map_list, list) {  in tegra_vde_dmabuf_cache_unmap_all()
217 			if (!cancel_delayed_work(&entry->dwork))  in tegra_vde_dmabuf_cache_unmap_all()
220 			tegra_vde_release_entry(entry);  in tegra_vde_dmabuf_cache_unmap_all()