nvme_get_features_data - Helper function for @nvme_get_features()
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.