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fwupd/plugins/nvme
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Richard Hughes 5079f26f0e Never guess the version format from the version string 
This leads to madness, as some formats are supersets of the detected types,
e.g. 'intel-me' is detected as 'quad' and 'bcd' is detected as 'pair'.

Where the version format is defined in a specification or hardcoded in the
source use a hardcoded enum value, otherwise use a quirk override.

Additionally, warn if the version does not match the defined version format
2019-04-30 09:25:41 +01:00
..
tests nvme: Add a new plugin to update NVMe hardware 2018-08-26 19:42:28 +01:00
fu-nvme-common.c nvme: Check the return code of the admin passthru ioctl 2019-01-15 16:26:30 +00:00
fu-nvme-common.h Use '#pragma once' to avoid a lot of boilerplate 2019-02-09 08:42:30 -06:00
fu-nvme-device.c Never guess the version format from the version string 2019-04-30 09:25:41 +01:00
fu-nvme-device.h Use '#pragma once' to avoid a lot of boilerplate 2019-02-09 08:42:30 -06:00
fu-plugin-nvme.c Show a console warning if loading an out-of-tree plugin 2019-01-19 07:26:20 +00:00
fu-self-test.c Defer the InstanceID->GUID hashing until after setup 2019-02-06 08:02:16 +00:00
meson.build Do not use efivar just to print a mixed endian GUID 2019-02-04 15:19:57 +00:00
nvme.quirk nvme: Add the needs-shutdown quirk to Phison NVMe drives 2019-01-17 16:35:34 +00:00
README.md trivial: Add the missing protocol IDs to the plugin READMEs 2019-01-29 22:28:09 +00:00

README.md

NVMe

Introduction

This plugin adds support for NVMe storage hardware. Devices are enumerated from the Identify Controller data structure and can be updated with appropriate firmware file. Firmware is sent in 4kB chunks and activated on next reboot.

The device GUID is read from the vendor specific area and if not found then generated from the trimmed model string.

Firmware Format

The daemon will decompress the cabinet archive and extract a firmware blob in an unspecified binary file format.

This plugin supports the following protocol ID:

  • org.nvmexpress

GUID Generation

These device use the NVMe DeviceInstanceId values, e.g.

  • NVME\VEN_1179&DEV_010F&REV_01
  • NVME\VEN_1179&DEV_010F
  • NVME\VEN_1179

The FRU globally unique identifier (FGUID) is also added from the CNS if set. Please refer to this document for more details on how to add support for FGUID: https://nvmexpress.org/wp-content/uploads/NVM_Express_Revision_1.3.pdf

Additionally, for NVMe drives with Dell vendor firmware two extra GUIDs are added:

  • STORAGE-DELL-${component-id}

and any optional GUID saved in the vendor extension block.

Quirk use

This plugin uses the following plugin-specific quirks:

Quirk Description Minimum fwupd version
NvmeBlockSize The block size used for NVMe writes 1.1.3
Flags force-align if image should be padded 1.2.4