493 	dmadesc->callback_fn = NULL;  in ioat_start_channel()
855 		    ioat->chan_idx, ioat->tail, dmadesc, dmadesc->callback_fn,  in ioat_process_events()
863 		if (dmadesc->callback_fn != NULL)  in ioat_process_events()
864 			dmadesc->callback_fn(dmadesc->callback_arg, 0);  in ioat_process_events()
922 		    ioat->chan_idx, ioat->tail, dmadesc, dmadesc->callback_fn,  in ioat_process_events()
925 		if (dmadesc->callback_fn != NULL)  in ioat_process_events()
926 			dmadesc->callback_fn(dmadesc->callback_arg,  in ioat_process_events()
1142     bus_dmaengine_callback_t callback_fn, void *callback_arg,  in ioat_op_generic()  argument
1203 	desc->bus_dmadesc.callback_fn = callback_fn;  in ioat_op_generic()
1209 ioat_null(bus_dmaengine_t dmaengine, bus_dmaengine_callback_t callback_fn,  in ioat_null()  argument
1219 	desc = ioat_op_generic(ioat, IOAT_OP_COPY, 8, 0, 0, callback_fn,  in ioat_null()
1232     bus_addr_t src, bus_size_t len, bus_dmaengine_callback_t callback_fn,  in ioat_copy()  argument
1240 	desc = ioat_op_generic(ioat, IOAT_OP_COPY, len, src, dst, callback_fn,  in ioat_copy()
1258     bus_dmaengine_callback_t callback_fn, void *callback_arg, uint32_t flags)  in ioat_copy_8k_aligned()  argument
1274 	    callback_fn, callback_arg, flags);  in ioat_copy_8k_aligned()
1336     bus_dmaengine_callback_t callback_fn, void *callback_arg, uint32_t flags)  in ioat_copy_crc()  argument
1370 	desc = ioat_op_generic(ioat, op, len, src, dst, callback_fn,  in ioat_copy_crc()
1406     bus_dmaengine_callback_t callback_fn, void *callback_arg, uint32_t flags)  in ioat_crc()  argument
1440 	desc = ioat_op_generic(ioat, op, len, src, 0, callback_fn,  in ioat_crc()
1475     bus_size_t len, bus_dmaengine_callback_t callback_fn, void *callback_arg,  in ioat_blockfill()  argument
1489 	    callback_fn, callback_arg, flags);  in ioat_blockfill()