nvme_identify_primary_ctrl - Man Page

int nvme_identify_primary_ctrl (int fd , __u16 cntid , struct nvme_primary_ctrl_cap *cap );

fd

File descriptor of nvme device

cntid

Return controllers starting at this identifier

cap

User space destination buffer address to transfer the data

See struct nvme_primary_ctrl_cap for the definition of the returned structure, cap.

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