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nvme_fw_download - Man Page

Download part or all of a firmware image to the controller


int nvme_fw_download (struct nvme_fw_download_args *args );



struct nvme_fw_download_args argument structure


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 nvme_fw_commit to activate a newly downloaded image.


The nvme command status if a response was received (see enum nvme_status_field) or -1 with errno set otherwise.


June 2024 libnvme API manual