.TH "nvme_fw_download" 9 "nvme_fw_download" "April 2022" "libnvme API manual" LINUX
.SH NAME
nvme_fw_download \- Download part or all of a firmware image to the controller
.SH SYNOPSIS
.B "int" nvme_fw_download
.BI "(struct nvme_fw_download_args *args "  ");"
.SH ARGUMENTS
.IP "args" 12
\fIstruct nvme_fw_download_args\fP argument structure
.SH "DESCRIPTION"
The Firmware Image Download command downloads all or a portion of an image
for a future update to the controller. The Firmware Image Download command
downloads a new image (in whole or in part) to the controller.

The image may be constructed of multiple pieces that are individually
downloaded with separate Firmware Image Download commands. Each Firmware
Image Download command includes a Dword Offset and Number of Dwords that
specify a dword range.

The new firmware image is not activated as part of the Firmware Image
Download command. Use the \fBnvme_fw_commit\fP to activate a newly downloaded
image.
.SH "RETURN"
The nvme command status if a response was received (see
\fIenum nvme_status_field\fP) or -1 with errno set otherwise.