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dfaae2e837
fwupd/plugins/emmc
History
Richard Hughes dfaae2e837 Move amdgpu safety check into the plugin 
There are now multiple plugins using drm_dp_aux_dev interface which
may potentially be combined with an amdgpu. Prevent exercising this
interface with any plugin using DP aux unless a new enough kernel is
installed.
2021-07-04 17:49:36 +01:00
..
emmc.quirk Simplify the quirk file format 2021-03-03 08:30:34 +00:00
fu-emmc-device.c trivial: fixup includes for a variety of plugins 2021-06-14 10:12:45 +01:00
fu-emmc-device.h trivial: fixup includes for a variety of plugins 2021-06-14 10:12:45 +01:00
fu-plugin-emmc.c Move amdgpu safety check into the plugin 2021-07-04 17:49:36 +01:00
meson.build Move the plugin build logic to the plugins themselves 2021-02-18 14:46:20 +00:00
README.md Add a new internal flag to opt-in to GUID matching 2021-02-25 15:47:25 +00:00

README.md

eMMC Support

Introduction

This plugin reads the sysfs attributes corresponding to eMMC devices. It uses the kernel MMC API for flashing devices.

Protocol

eMMC devices support the org.jedec.mmc protocol.

GUID Generation

These devices use the following instance values:

  • EMMC\%NAME%
  • EMMC\%MANFID%&%OEMID%
  • EMMC\%MANFID%&%OEMID%&%NAME%

Update Behavior

The firmware is deployed when the device is in normal runtime mode, but it is only activated when the device is rebooted.

Vendor ID Security

The vendor ID is set from the EMMC vendor, for example set to EMMC:{$manfid}

External interface access

This plugin requires ioctl MMC_IOC_CMD and MMC_IOC_MULTI_CMD access.