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Diffstat (limited to 'doc/man/nvme_get_feature_length2.2')
-rw-r--r-- | doc/man/nvme_get_feature_length2.2 | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/doc/man/nvme_get_feature_length2.2 b/doc/man/nvme_get_feature_length2.2 new file mode 100644 index 0000000..9a3d5a9 --- /dev/null +++ b/doc/man/nvme_get_feature_length2.2 @@ -0,0 +1,24 @@ +.TH "nvme_get_feature_length2" 9 "nvme_get_feature_length2" "October 2022" "libnvme API manual" LINUX +.SH NAME +nvme_get_feature_length2 \- Retreive the command payload length for a specific feature identifier +.SH SYNOPSIS +.B "int" nvme_get_feature_length2 +.BI "(int fid " "," +.BI "__u32 cdw11 " "," +.BI "enum nvme_data_tfr dir " "," +.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 "dir" 12 +Data transfer direction: false - host to controller, true - +controller to host may affect the transfer (only known fid is +NVME_FEAT_FID_HOST_MEM_BUF). +.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. |