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Diffstat (limited to 'doc/man/nvme_get_feature_length.2')
| -rw-r--r-- | doc/man/nvme_get_feature_length.2 | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/doc/man/nvme_get_feature_length.2 b/doc/man/nvme_get_feature_length.2 new file mode 100644 index 0000000..c8f66a0 --- /dev/null +++ b/doc/man/nvme_get_feature_length.2 @@ -0,0 +1,19 @@ +.TH "nvme_get_feature_length" 9 "nvme_get_feature_length" "April 2022" "libnvme API manual" LINUX +.SH NAME +nvme_get_feature_length \- Retreive the command payload length for a specific feature identifier +.SH SYNOPSIS +.B "int" nvme_get_feature_length +.BI "(int fid " "," +.BI "__u32 cdw11 " "," +.BI "__u32 *len " ");" +.SH ARGUMENTS +.IP "fid" 12 +Feature identifier, see \fIenum nvme_features_id\fP. +.IP "cdw11" 12 +The cdw11 value may affect the transfer (only known fid is +NVME_FEAT_FID_HOST_ID) +.IP "len" 12 +On success, set to this features payload length in bytes. +.SH "RETURN" +0 on success, -1 with errno set to EINVAL if the function did not +recognize \fIfid\fP. |