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fwupd/plugins/msr
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tinywrkb 07d5aef247 Install modules-load configs in the correct directory 
Signed-off-by: Richard Hughes <richard@hughsie.com>
2020-11-16 15:27:13 +00:00
..
fu-plugin-msr.c cpu: Directly probe the CPUID data to improve startup speed 2020-08-24 16:37:27 +01:00
fwupd-msr.conf msr: Add a new plugin to detect the Intel DCI state 2020-07-16 20:13:06 +01:00
meson.build Install modules-load configs in the correct directory 2020-11-16 15:27:13 +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.