nvme_get_features_host_id

int nvme_get_features_host_id (int fd , enum nvme_get_features_sel sel , bool exhid , __u32 len , __u8 *hostid );

fd

File descriptor of nvme device

sel

Select which type of attribute to return, see enum nvme_get_features_sel

exhid

Enable Extended Host Identifier

len

Length of hostid

hostid

Buffer for returned host ID

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