DOKK / manpages / debian 12 / libnvme-dev / nvme_mi_admin_get_features_data.2.en
nvme_mi_admin_get_features_data(2) libnvme API manual nvme_mi_admin_get_features_data(2)

nvme_mi_admin_get_features_data - Helper function for &nvme_mi_admin_get_features()

int nvme_mi_admin_get_features_data (nvme_mi_ctrl_t ctrl , enum nvme_features_id fid , __u32 nsid , __u32 data_len , void *data , __u32 *result );

Controller to send command to
Feature identifier
Namespace ID, if applicable for fid
Length of feature data, if applicable for fid, in bytes
User address of feature data, if applicable
The command completion result from CQE dword0

Helper for optionally features that optionally return data, using the SEL_CURRENT selector value.

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

nvme_mi_admin_get_features_data January 2023