NTB_DBMSG_IMSG_STATUS 1274 drivers/ntb/hw/mscc/ntb_hw_switchtec.c iowrite64(NTB_DBMSG_IMSG_STATUS | NTB_DBMSG_IMSG_MASK, NTB_DBMSG_IMSG_STATUS 1394 drivers/ntb/hw/mscc/ntb_hw_switchtec.c if (msg & NTB_DBMSG_IMSG_STATUS) {