QSFP_MONITOR_VAL_START
(addr + len) >= QSFP_MONITOR_VAL_START) {
if (addr < QSFP_MONITOR_VAL_START) {
len = addr + len - QSFP_MONITOR_VAL_START;
offset = QSFP_MONITOR_VAL_START - addr;
addr = QSFP_MONITOR_VAL_START;
} else if (addr == QSFP_MONITOR_VAL_START) {
#define QSFP_MONITOR_RANGE (QSFP_MONITOR_VAL_END - QSFP_MONITOR_VAL_START + 1)