324 	struct scif_pinned_pages *pinned_pages = window->pinned_pages;  in scif_destroy_window()  local
340 	j = atomic_sub_return(1, &pinned_pages->ref_count);  in scif_destroy_window()
351 		scif_destroy_pinned_pages(window->pinned_pages);  in scif_destroy_window()
547 	scif_pinned_pages_t pin = window->pinned_pages;  in scif_iommu_map()
600 	pin = window->pinned_pages;  in scif_map_window()
734 		if ((!!(window->pinned_pages->map_flags & SCIF_MAP_KERNEL)) &&  in scif_unregister_window()
1328 	struct scif_pinned_pages *pinned_pages;  in __scif_pin_pages()  local
1356 	pinned_pages = scif_create_pinned_pages(nr_pages, prot);  in __scif_pin_pages()
1357 	if (!pinned_pages)  in __scif_pin_pages()
1366 				pinned_pages->pages[i] =  in __scif_pin_pages()
1369 				pinned_pages->pages[i] =  in __scif_pin_pages()
1372 		pinned_pages->nr_pages = nr_pages;  in __scif_pin_pages()
1373 		pinned_pages->map_flags = SCIF_MAP_KERNEL;  in __scif_pin_pages()
1393 				pinned_pages->nr_pages = 0;  in __scif_pin_pages()
1398 		pinned_pages->nr_pages = get_user_pages(  in __scif_pin_pages()
1402 				pinned_pages->pages,  in __scif_pin_pages()
1405 		if (nr_pages != pinned_pages->nr_pages) {  in __scif_pin_pages()
1406 			if (pinned_pages->nr_pages < 0)  in __scif_pin_pages()
1407 				pinned_pages->nr_pages = 0;  in __scif_pin_pages()
1413 				for (i = 0; i < pinned_pages->nr_pages; i++) {  in __scif_pin_pages()
1414 					if (pinned_pages->pages[i])  in __scif_pin_pages()
1416 						pinned_pages->pages[i]);  in __scif_pin_pages()
1423 		pinned_pages->map_flags = 0;  in __scif_pin_pages()
1426 	if (pinned_pages->nr_pages < nr_pages) {  in __scif_pin_pages()
1432 	atomic_set(&pinned_pages->ref_count, 1);  in __scif_pin_pages()
1433 	*pages = pinned_pages;  in __scif_pin_pages()
1440 	scif_destroy_pinned_pages(pinned_pages);  in __scif_pin_pages()
1454 int scif_unpin_pages(scif_pinned_pages_t pinned_pages)  in scif_unpin_pages()  argument
1458 	if (!pinned_pages || SCIFEP_MAGIC != pinned_pages->magic)  in scif_unpin_pages()
1461 	ret = atomic_sub_return(1, &pinned_pages->ref_count);  in scif_unpin_pages()
1475 		err = scif_destroy_pinned_pages(pinned_pages);  in scif_unpin_pages()
1490 				 scif_pinned_pages_t pinned_pages,  in scif_register_pinned_pages()  argument
1504 	len = pinned_pages->nr_pages << PAGE_SHIFT;  in scif_register_pinned_pages()
1525 	if (!atomic_add_unless(&pinned_pages->ref_count, 1, 0))  in scif_register_pinned_pages()
1532 		atomic_sub(1, &pinned_pages->ref_count);  in scif_register_pinned_pages()
1537 	window = scif_create_window(ep, pinned_pages->nr_pages,  in scif_register_pinned_pages()
1540 		atomic_sub(1, &pinned_pages->ref_count);  in scif_register_pinned_pages()
1545 	window->pinned_pages = pinned_pages;  in scif_register_pinned_pages()
1546 	window->nr_pages = pinned_pages->nr_pages;  in scif_register_pinned_pages()
1547 	window->prot = pinned_pages->prot;  in scif_register_pinned_pages()
1594 	scif_pinned_pages_t pinned_pages;  in scif_register()  local
1671 			       &pinned_pages);  in scif_register()
1678 	window->pinned_pages = pinned_pages;  in scif_register()
1679 	window->prot = pinned_pages->prot;  in scif_register()