nvme_get_features_data - Man Page

int nvme_get_features_data (int fd , enum nvme_features_id fid , __u32 nsid , __u32 data_len , void *data , __u32 *result );

fd

File descriptor of nvme device

fid

Feature identifier

nsid

Namespace ID, if applicable

data_len

Length of feature data, if applicable, in bytes

data

User address of feature data, if applicable

result

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.