int nvme_mi_mi_read_mi_data_ctrl (nvme_mi_ep_t ep , __u16 ctrl_id , struct nvme_mi_read_ctrl_info *ctrl );
endpoint for MI communication
ID of controller to query
controller data to populate
Retrieves the Controller Information Data Structure for the attached controller with ID ctrlid.
See struct nvme_mi_read_ctrl_info.
The nvme command status if a response was received (see enum nvme_status_field) or -1 with errno set otherwise..