1nvme_get_feature_length2(9)   libnvme API manual   nvme_get_feature_length2(9)
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NAME

6       nvme_get_feature_length2  -  Retreive  the command payload length for a
7       specific feature identifier
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SYNOPSIS

10       int  nvme_get_feature_length2  (int  fid   ,   __u32   cdw11   ,   enum
11       nvme_data_tfr dir , __u32 *len );
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ARGUMENTS

14       fid         Feature identifier, see enum nvme_features_id.
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16       cdw11       The  cdw11 value may affect the transfer (only known fid is
17                   NVME_FEAT_FID_HOST_ID)
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19       dir         Data transfer direction: false - host to controller, true -
20                   controller  to host may affect the transfer (only known fid
21                   is NVME_FEAT_FID_HOST_MEM_BUF).
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23       len         On success, set to this features payload length in bytes.
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RETURN

26       0 on success, -1 with errno set to EINVAL if the function did not  rec‐
27       ognize fid.
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31November 2022              nvme_get_feature_length2nvme_get_feature_length2(9)
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