nvme_set_features_power_mgmt(2) libnvme API manual nvme_set_features_power_mgmt(2)

nvme_set_features_power_mgmt - Set power management feature

int nvme_set_features_power_mgmt (int fd , __u8 ps , __u8 wh , bool save , __u32 *result );

File descriptor of nvme device
Power State
Workload Hint
Save value across power states
The command completion result from CQE dword0

The nvme command status if a response was received (see enum nvme_status_field) or -1 with errno set otherwise.

nvme_set_features_power_mgmt March 2024