cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

eeh-vf-unaware.sh (633B)

      1#!/bin/sh
      2# SPDX-License-Identifier: GPL-2.0-only
      3
      4. ./eeh-functions.sh
      5
      6eeh_test_prep # NB: may exit
      7
      8vf_list="$(eeh_enable_vfs)";
      9if $? != 0 ; then
     10	log "No usable VFs found. Skipping EEH unaware VF test"
     11	exit $KSELFTESTS_SKIP;
     12fi
     13
     14log "Enabled VFs: $vf_list"
     15
     16failed=0
     17for vf in $vf_list ; do
     18	log "Testing $vf"
     19
     20	if eeh_can_recover $vf ; then
     21		log "Driver for $vf supports error recovery. Unbinding..."
     22		echo "$vf" > /sys/bus/pci/devices/$vf/driver/unbind
     23	fi
     24
     25	log "Breaking $vf..."
     26	if ! eeh_one_dev $vf ; then
     27		log "$vf failed to recover"
     28		failed="$((failed + 1))"
     29	fi
     30done
     31
     32eeh_disable_vfs
     33
     34test "$failed" != 0
     35exit $?;