NVME−FW−COMMIT - Online Linux Manual PageSection : 1
Updated : 02/01/2023
Source : NVMe
Note : NVMe Manual

NAMEnvme-fw-commit − Used to verify and commit a firmware image​.

SYNOPSISnvme fw−commit <device> [−−slot=<slot> | −s <slot>] [−−action=<action> | −a <action>] [−−bpid=<boot−partid> | −b <boot−partid> ]

DESCRIPTIONFor the NVMe device given, send an nvme Firmware Commit admin command and provides the results​. The Firmware Commit command is used to verify that a valid firmware image has been downloaded and to commit that revision to a specific firmware slot​. The host may select the firmware image to commit on the next controller reset (CC​.EN transitions from 1 to 0, a PCI function level reset, and/or other Controller or NVM Subsystem Reset) as part of this command​. The currently executing firmware revision may be determined from the Firmware Revision field of the Identify Controller data structure as indicated in the Firmware Slot Information log page​. No further action is automatically taken to reset the device, which is usually required to complete the activation process​. If your kernel and driver are recent enough, you can commit the firmware by issuing a reset through Linux sysfs, for example: # echo 1 > /sys/class/nvme/nvme0/device/resetIf your kernel is not recent enough, you will need to remove and add the device some other way​.

OPTIONS−a <action>, −−action=<action> Commit Action: This field specifies the action that is taken on the image downloaded with the Firmware Image Download command or on a previously downloaded and placed image​. Value Definition 0 Downloaded image replaces the image indicated by the Firmware Slot field​. This image is not activated​. 1 Downloaded image replaces the image indicated by the Firmware Slot field​. This image is activated at the next reset​. 2 The image indicated by the Firmware Slot field is activated at the next reset​. 3 The image specified by the Firmware Slot field is requested to be activated immediately without reset​. 6 Downloaded image replaces the Boot Partition specified by the Boot Partition ID field​. 7 Mark the Boot Partition specified in the BPID field as active and update BPINFO​.ABPID​. −s <slot>, −−slot=<slot> Firmware Slot: Specifies the firmware slot that shall be used for the Commit Action, if applicable​. If the value specified is 0h, then the controller shall choose the firmware slot (slot 1 – 7) to use for the operation​. −−bpid=<boot−partid>, −b <boot−partid> Specifies the Boot partition that shall be used for the Commit Action, if applicable (default: 0)

EXAMPLES•  commit the last downloaded fw to slot 1​. # nvme fw−commit /dev/nvme0 −−slot=1 −−action=2

ALIASfw−activate

NVMEPart of the nvme−user suite
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