HIF_SYNCHRONOUS
#define HIF_EMODE_MASK (HIF_SYNCHRONOUS | HIF_ASYNCHRONOUS)
(HIF_WRITE | HIF_SYNCHRONOUS | \
(HIF_WRITE | HIF_SYNCHRONOUS | \
(HIF_WRITE | HIF_SYNCHRONOUS | \
(HIF_READ | HIF_SYNCHRONOUS | \
(HIF_READ | HIF_SYNCHRONOUS | \
(HIF_READ | HIF_SYNCHRONOUS | \
if (request & HIF_SYNCHRONOUS) {