16 static void etnaviv_context_unmap(struct etnaviv_iommu_context *context,  in etnaviv_context_unmap()  argument
29 		unmapped_page = context->global->ops->unmap(context, iova,  in etnaviv_context_unmap()
39 static int etnaviv_context_map(struct etnaviv_iommu_context *context,  in etnaviv_context_map()  argument
55 		ret = context->global->ops->map(context, iova, paddr, pgsize,  in etnaviv_context_map()
67 		etnaviv_context_unmap(context, orig_iova, orig_size - size);  in etnaviv_context_map()
72 static int etnaviv_iommu_map(struct etnaviv_iommu_context *context, u32 iova,  in etnaviv_iommu_map()  argument
79 	if (!context || !sgt)  in etnaviv_iommu_map()
88 		ret = etnaviv_context_map(context, da, pa, bytes, prot);  in etnaviv_iommu_map()
98 	etnaviv_context_unmap(context, iova, da - iova);  in etnaviv_iommu_map()
102 static void etnaviv_iommu_unmap(struct etnaviv_iommu_context *context, u32 iova,  in etnaviv_iommu_unmap()  argument
112 		etnaviv_context_unmap(context, da, bytes);  in etnaviv_iommu_unmap()
122 static void etnaviv_iommu_remove_mapping(struct etnaviv_iommu_context *context,  in etnaviv_iommu_remove_mapping()  argument
127 	etnaviv_iommu_unmap(context, mapping->vram_node.start,  in etnaviv_iommu_remove_mapping()
132 static int etnaviv_iommu_find_iova(struct etnaviv_iommu_context *context,  in etnaviv_iommu_find_iova()  argument
139 	lockdep_assert_held(&context->lock);  in etnaviv_iommu_find_iova()
147 		ret = drm_mm_insert_node_in_range(&context->mm, node,  in etnaviv_iommu_find_iova()
153 		drm_mm_scan_init(&scan, &context->mm, size, 0, 0, mode);  in etnaviv_iommu_find_iova()
157 		list_for_each_entry(free, &context->mappings, mmu_node) {  in etnaviv_iommu_find_iova()
199 			etnaviv_iommu_remove_mapping(context, m);  in etnaviv_iommu_find_iova()
200 			etnaviv_iommu_context_put(m->context);  in etnaviv_iommu_find_iova()
201 			m->context = NULL;  in etnaviv_iommu_find_iova()
217 static int etnaviv_iommu_insert_exact(struct etnaviv_iommu_context *context,  in etnaviv_iommu_insert_exact()  argument
220 	return drm_mm_insert_node_in_range(&context->mm, node, size, 0, 0, va,  in etnaviv_iommu_insert_exact()
224 int etnaviv_iommu_map_gem(struct etnaviv_iommu_context *context,  in etnaviv_iommu_map_gem()  argument
234 	mutex_lock(&context->lock);  in etnaviv_iommu_map_gem()
237 	if (context->global->version == ETNAVIV_IOMMU_V1 &&  in etnaviv_iommu_map_gem()
244 			list_add_tail(&mapping->mmu_node, &context->mappings);  in etnaviv_iommu_map_gem()
253 		ret = etnaviv_iommu_insert_exact(context, node,  in etnaviv_iommu_map_gem()
256 		ret = etnaviv_iommu_find_iova(context, node,  in etnaviv_iommu_map_gem()
262 	ret = etnaviv_iommu_map(context, node->start, sgt, etnaviv_obj->base.size,  in etnaviv_iommu_map_gem()
270 	list_add_tail(&mapping->mmu_node, &context->mappings);  in etnaviv_iommu_map_gem()
271 	context->flush_seq++;  in etnaviv_iommu_map_gem()
273 	mutex_unlock(&context->lock);  in etnaviv_iommu_map_gem()
278 void etnaviv_iommu_unmap_gem(struct etnaviv_iommu_context *context,  in etnaviv_iommu_unmap_gem()  argument
283 	mutex_lock(&context->lock);  in etnaviv_iommu_unmap_gem()
286 	if (!mapping->context) {  in etnaviv_iommu_unmap_gem()
287 		mutex_unlock(&context->lock);  in etnaviv_iommu_unmap_gem()
292 	if (mapping->vram_node.mm == &context->mm)  in etnaviv_iommu_unmap_gem()
293 		etnaviv_iommu_remove_mapping(context, mapping);  in etnaviv_iommu_unmap_gem()
296 	context->flush_seq++;  in etnaviv_iommu_unmap_gem()
297 	mutex_unlock(&context->lock);  in etnaviv_iommu_unmap_gem()
302 	struct etnaviv_iommu_context *context =  in etnaviv_iommu_context_free()  local
305 	etnaviv_cmdbuf_suballoc_unmap(context, &context->cmdbuf_mapping);  in etnaviv_iommu_context_free()
307 	context->global->ops->free(context);  in etnaviv_iommu_context_free()
309 void etnaviv_iommu_context_put(struct etnaviv_iommu_context *context)  in etnaviv_iommu_context_put()  argument
311 	kref_put(&context->refcount, etnaviv_iommu_context_free);  in etnaviv_iommu_context_put()
351 			   struct etnaviv_iommu_context *context)  in etnaviv_iommu_restore()  argument
353 	context->global->ops->restore(gpu, context);  in etnaviv_iommu_restore()
356 int etnaviv_iommu_get_suballoc_va(struct etnaviv_iommu_context *context,  in etnaviv_iommu_get_suballoc_va()  argument
361 	mutex_lock(&context->lock);  in etnaviv_iommu_get_suballoc_va()
365 		mutex_unlock(&context->lock);  in etnaviv_iommu_get_suballoc_va()
375 	if (context->global->version == ETNAVIV_IOMMU_V1) {  in etnaviv_iommu_get_suballoc_va()
381 		ret = etnaviv_iommu_find_iova(context, node, size);  in etnaviv_iommu_get_suballoc_va()
383 			mutex_unlock(&context->lock);  in etnaviv_iommu_get_suballoc_va()
388 		ret = etnaviv_context_map(context, node->start, paddr, size,  in etnaviv_iommu_get_suballoc_va()
392 			mutex_unlock(&context->lock);  in etnaviv_iommu_get_suballoc_va()
396 		context->flush_seq++;  in etnaviv_iommu_get_suballoc_va()
399 	list_add_tail(&mapping->mmu_node, &context->mappings);  in etnaviv_iommu_get_suballoc_va()
402 	mutex_unlock(&context->lock);  in etnaviv_iommu_get_suballoc_va()
407 void etnaviv_iommu_put_suballoc_va(struct etnaviv_iommu_context *context,  in etnaviv_iommu_put_suballoc_va()  argument
412 	mutex_lock(&context->lock);  in etnaviv_iommu_put_suballoc_va()
415 	if (mapping->use > 0 || context->global->version == ETNAVIV_IOMMU_V1) {  in etnaviv_iommu_put_suballoc_va()
416 		mutex_unlock(&context->lock);  in etnaviv_iommu_put_suballoc_va()
420 	etnaviv_context_unmap(context, node->start, node->size);  in etnaviv_iommu_put_suballoc_va()
422 	mutex_unlock(&context->lock);  in etnaviv_iommu_put_suballoc_va()
425 size_t etnaviv_iommu_dump_size(struct etnaviv_iommu_context *context)  in etnaviv_iommu_dump_size()  argument
427 	return context->global->ops->dump_size(context);  in etnaviv_iommu_dump_size()
430 void etnaviv_iommu_dump(struct etnaviv_iommu_context *context, void *buf)  in etnaviv_iommu_dump()  argument
432 	context->global->ops->dump(context, buf);  in etnaviv_iommu_dump()