382 	struct bhnd_erom_iores	*iores;  in bhnd_erom_iores_new()  local
384 	iores = malloc(sizeof(*iores), M_BHND, M_WAITOK | M_ZERO);  in bhnd_erom_iores_new()
385 	iores->eio.map = bhnd_erom_iores_map;  in bhnd_erom_iores_new()
386 	iores->eio.tell = bhnd_erom_iores_tell;  in bhnd_erom_iores_new()
387 	iores->eio.read = bhnd_erom_iores_read;  in bhnd_erom_iores_new()
388 	iores->eio.fini = bhnd_erom_iores_fini;  in bhnd_erom_iores_new()
390 	iores->owner = dev;  in bhnd_erom_iores_new()
391 	iores->owner_rid = rid;  in bhnd_erom_iores_new()
392 	iores->mapped = NULL;  in bhnd_erom_iores_new()
393 	iores->mapped_rid = -1;  in bhnd_erom_iores_new()
395 	return (&iores->eio);  in bhnd_erom_iores_new()
402 	struct bhnd_erom_iores *iores;  in bhnd_erom_iores_map()  local
404 	iores = (struct bhnd_erom_iores *)eio;  in bhnd_erom_iores_map()
414 	if (iores->mapped) {  in bhnd_erom_iores_map()
416 		if (rman_get_start(iores->mapped->res) == addr &&  in bhnd_erom_iores_map()
417 		    rman_get_size(iores->mapped->res) == size)  in bhnd_erom_iores_map()
423 		bhnd_release_resource(iores->owner, SYS_RES_MEMORY,  in bhnd_erom_iores_map()
424 		    iores->mapped_rid, iores->mapped);  in bhnd_erom_iores_map()
425 		iores->mapped = NULL;  in bhnd_erom_iores_map()
426 		iores->mapped_rid = -1;  in bhnd_erom_iores_map()
430 	iores->mapped_rid = iores->owner_rid;  in bhnd_erom_iores_map()
431 	iores->mapped = bhnd_alloc_resource(iores->owner, SYS_RES_MEMORY,  in bhnd_erom_iores_map()
432 	    &iores->mapped_rid, addr, addr+size-1, size,  in bhnd_erom_iores_map()
434 	if (iores->mapped == NULL) {  in bhnd_erom_iores_map()
435 		iores->mapped_rid = -1;  in bhnd_erom_iores_map()
446 	struct bhnd_erom_iores *iores = (struct bhnd_erom_iores *)eio;  in bhnd_erom_iores_tell()  local
448 	if (iores->mapped == NULL)  in bhnd_erom_iores_tell()
451 	*addr = rman_get_start(iores->mapped->res);  in bhnd_erom_iores_tell()
452 	*size = rman_get_size(iores->mapped->res);  in bhnd_erom_iores_tell()
460 	struct bhnd_erom_iores *iores = (struct bhnd_erom_iores *)eio;  in bhnd_erom_iores_read()  local
462 	if (iores->mapped == NULL)  in bhnd_erom_iores_read()
467 		return (bhnd_bus_read_1(iores->mapped, offset));  in bhnd_erom_iores_read()
469 		return (bhnd_bus_read_2(iores->mapped, offset));  in bhnd_erom_iores_read()
471 		return (bhnd_bus_read_4(iores->mapped, offset));  in bhnd_erom_iores_read()
480 	struct bhnd_erom_iores *iores = (struct bhnd_erom_iores *)eio;  in bhnd_erom_iores_fini()  local
483 	if (iores->mapped) {  in bhnd_erom_iores_fini()
484 		bhnd_release_resource(iores->owner, SYS_RES_MEMORY,  in bhnd_erom_iores_fini()
485 		    iores->mapped_rid, iores->mapped);  in bhnd_erom_iores_fini()
486 		iores->mapped = NULL;  in bhnd_erom_iores_fini()
487 		iores->mapped_rid = -1;  in bhnd_erom_iores_fini()