nvme_get_feature_length(2)
Retreive the command payload length for a specific feature identifier
Description
nvme_get_feature_length
NAME
nvme_get_feature_length - Retreive the command payload length for a specific feature identifier
SYNOPSIS
int nvme_get_feature_length (int fid , __u32 cdw11 , __u32 *len );
ARGUMENTS
|
fid |
Feature identifier, see enum nvme_features_id. | ||
|
cdw11 |
The cdw11 value may affect the transfer (only known fid is NVME_FEAT_FID_HOST_ID) | ||
|
len |
On success, set to this features payload length in bytes. |
RETURN
0 on success, -1 with errno set to EINVAL if the function did not recognize fid.