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fwupd/plugins/nvme
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Richard Hughes 2d00cda464 Remove PLUGINBUILDDIR and use G_TEST_SRCDIR and G_TEST_BUILDDIR instead 
This allows us to override the location we load data files from, which
allows us to do more kinds of installed tests in the future.

Also, move the global data/tests content into the place that it is used
as it was getting impossible to manage.
2021-10-21 18:36:22 +01:00
..
fu-nvme-common.c trivial: reformat the whole tree to match new format 2021-08-24 11:18:40 -05:00
fu-nvme-common.h trivial: reformat the whole tree to match new format 2021-08-24 11:18:40 -05:00
fu-nvme-device.c Allow using a per-device global percentage completion 2021-09-13 14:28:15 +01:00
fu-nvme-device.h trivial: reformat the whole tree to match new format 2021-08-24 11:18:40 -05:00
fu-plugin-nvme.c trivial: reformat the whole tree to match new format 2021-08-24 11:18:40 -05:00
fu-self-test.c trivial: Do not use g_assert() in self test code 2021-09-24 22:20:21 +01:00
meson.build Remove PLUGINBUILDDIR and use G_TEST_SRCDIR and G_TEST_BUILDDIR instead 2021-10-21 18:36:22 +01:00
nvme.quirk Add needs-shutdown flag for Kingston vendor ID, remove wrong Kingston OUI 2021-05-22 07:48:53 +01:00
README.md trivial: update markdown for pre-commit style 2021-07-18 14:42:47 -05:00

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.

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.

Update Behavior

The firmware is deployed when the device is in normal runtime mode, but it is only activated when the system is either restarted or in some cases shutdown.

Quirk Use

This plugin uses the following plugin-specific quirks:

NvmeBlockSize

The block size used for NVMe writes

Since: 1.1.3

Flags

  • force-align if image should be padded, since 1.2.4

Vendor ID Security

The vendor ID is set from the udev vendor, for example set to NVME:0x1179

External Interface Access

This plugin requires ioctl NVME_IOCTL_ADMIN_CMD access.