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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.