6 #include <linux/dma-mapping.h>
65 	/* unroll mapping in case something went wrong */  in etnaviv_context_map()
123 	struct etnaviv_vram_mapping *mapping)  in etnaviv_iommu_remove_mapping()  argument
125 	struct etnaviv_gem_object *etnaviv_obj = mapping->object;  in etnaviv_iommu_remove_mapping()
127 	etnaviv_iommu_unmap(context, mapping->vram_node.start,  in etnaviv_iommu_remove_mapping()
129 	drm_mm_remove_node(&mapping->vram_node);  in etnaviv_iommu_remove_mapping()
164 			 * so we must keep its mapping.  in etnaviv_iommu_find_iova()
196 		 * this mapping.  in etnaviv_iommu_find_iova()
226 	struct etnaviv_vram_mapping *mapping, u64 va)  in etnaviv_iommu_map_gem()  argument
243 			mapping->iova = iova;  in etnaviv_iommu_map_gem()
244 			list_add_tail(&mapping->mmu_node, &context->mappings);  in etnaviv_iommu_map_gem()
250 	node = &mapping->vram_node;  in etnaviv_iommu_map_gem()
261 	mapping->iova = node->start;  in etnaviv_iommu_map_gem()
270 	list_add_tail(&mapping->mmu_node, &context->mappings);  in etnaviv_iommu_map_gem()
279 	struct etnaviv_vram_mapping *mapping)  in etnaviv_iommu_unmap_gem()  argument
281 	WARN_ON(mapping->use);  in etnaviv_iommu_unmap_gem()
286 	if (mapping->vram_node.mm == &context->mm)  in etnaviv_iommu_unmap_gem()
287 		etnaviv_iommu_remove_mapping(context, mapping);  in etnaviv_iommu_unmap_gem()
289 	list_del(&mapping->mmu_node);  in etnaviv_iommu_unmap_gem()
351 				  struct etnaviv_vram_mapping *mapping,  in etnaviv_iommu_get_suballoc_va()  argument
357 	if (mapping->use > 0) {  in etnaviv_iommu_get_suballoc_va()
358 		mapping->use++;  in etnaviv_iommu_get_suballoc_va()
366 	 * window. Instead we manufacture a mapping to make it look uniform  in etnaviv_iommu_get_suballoc_va()
370 		mapping->iova = paddr - memory_base;  in etnaviv_iommu_get_suballoc_va()
372 		struct drm_mm_node *node = &mapping->vram_node;  in etnaviv_iommu_get_suballoc_va()
381 		mapping->iova = node->start;  in etnaviv_iommu_get_suballoc_va()
393 	list_add_tail(&mapping->mmu_node, &context->mappings);  in etnaviv_iommu_get_suballoc_va()
394 	mapping->use = 1;  in etnaviv_iommu_get_suballoc_va()
402 		  struct etnaviv_vram_mapping *mapping)  in etnaviv_iommu_put_suballoc_va()  argument
404 	struct drm_mm_node *node = &mapping->vram_node;  in etnaviv_iommu_put_suballoc_va()
407 	mapping->use--;  in etnaviv_iommu_put_suballoc_va()
409 	if (mapping->use > 0 || context->global->version == ETNAVIV_IOMMU_V1) {  in etnaviv_iommu_put_suballoc_va()