DOKK / manpages / debian 12 / libnvme-dev / nvme_set_features_hctm.2.en
nvme_set_features_hctm(2) libnvme API manual nvme_set_features_hctm(2)

nvme_set_features_hctm - Set thermal management feature

int nvme_set_features_hctm (int fd , __u16 tmt2 , __u16 tmt1 , bool save , __u32 *result );

File descriptor of nvme device
Thermal Management Temperature 2
Thermal Management Temperature 1
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_hctm January 2023