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fwupd/plugins/msr
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Richard Hughes a22c13c637 Move the plugin build logic to the plugins themselves
2021-02-18 14:46:20 +00:00
..
fu-plugin-msr.c Merge the _udev_device() and _usb_device() vfuncs 2021-02-10 12:04:05 +00:00
fwupd-msr.conf msr: Add a new plugin to detect the Intel DCI state 2020-07-16 20:13:06 +01:00
meson.build Move the plugin build logic to the plugins themselves 2021-02-18 14:46:20 +00:00
msr.quirk msr: Add a new plugin to detect the Intel DCI state 2020-07-16 20:13:06 +01:00
README.md Add external interface messages 2020-10-26 12:05:20 -05:00

README.md

MSR

Introduction

This plugin checks if the Model-specific registers (MSRs) indicate the Direct Connect Interface (DCI) is enabled.

DCI allows debugging of Intel processors using the USB3 port. DCI should always be disabled and locked on production hardware as it allows the attacker to disable other firmware protection methods.

The result will be stored in a security attribute for HSI.

External interface access

This plugin requires read access to /sys/class/msr.