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

nvme_set_features_arbitration - Set arbitration features

int nvme_set_features_arbitration (int fd , __u8 ab , __u8 lpw , __u8 mpw , __u8 hpw , bool save , __u32 *result );

File descriptor of nvme device
Arbitration Burst
Low Priority Weight
Medium Priority Weight
High Priority Weight
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_arbitration January 2023