# nvmeadm getfeature [controller_name]
For example:
# nvmeadm getfeature SUNW-NVME-1
SUNW-NVME-1
Command Arbitration:
Arbitration Burst: 0
Low Proirity Weight: 0
Medium Priority Weight: 0
High Priority Weight: 0
Power State: 0
Temperature Threshold: 358 Kelvin
Time Limited Error Recovery: 0 of 100 milliseconds
Number of I/O submission queues allocated: 30
Number of I/O completion queues allocated: 30
Interrupt Coalescing Aggregation Time: 0 of 100 micro seconds
Interrupt Coalescing Configuration:
Interrupt Vector: 0
Coalescing Disable: NO
Write Atomicity Required: YES