nvme_set_features_nopsc(2) libnvme API manual nvme_set_features_nopsc(2)

nvme_set_features_nopsc - Set non-operational power state feature

int nvme_set_features_nopsc (int fd , bool noppme , bool save , __u32 *result );

File descriptor of nvme device
Non-Operational Power State Permissive Mode Enable
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_nopsc January 2025