smn

Documentation

Overview

smn: read or write registers in the System Management Network on AMD cpus

Synopsis:

snm [0 or more addresses]

N.B. having no addresses is an easy way to see if you can access PCI at all.

Description:

read and write System Management Network registers

Options:

-s: device glob in the form tttt:bb:dd.fn with * as needed
-n: number of 32-bit words to dump.
-v: 32-bit value to write
-w: write the value to the register(s)