Lines Matching +full:io +full:- +full:backends

2 # SPDX-License-Identifier: GPL-2.0-only
15 	# device is recovered by removing and re-probing it. This causes the
19 	if [ -z "$eeh_state" ]; then
23 	local fw_state="$(echo $eeh_state | cut -d' ' -f1)"
24 	local sw_state="$(echo $eeh_state | cut -d' ' -f2)"
28 	if [ "$((sw_state & 0x3))" -ne 0 ] ; then
34 	# the platform backends set these when the PE is in reset. The
36 	if [ "$((fw_state & 0x18))" -ne "$((0x18))" ] ; then
44 	test -e /proc/powerpc/eeh && \
45 	grep -q 'EEH Subsystem is enabled' /proc/powerpc/eeh
54 	if [ ! -e "/sys/kernel/debug/powerpc/eeh_dev_check" ] && \
55 	   [ ! -e "/sys/kernel/debug/powerpc/eeh_dev_break" ] ; then
67 	if [ -e "/sys/bus/pci/devices/$dev/pci_bus" ] ; then
81 	# Don't inject errosr into an already-frozen PE. This happens with
82 	# PEs that contain multiple PCI devices (e.g. multi-function cards)
98 	# testing so check that the argument is a well-formed sysfs device
100 	if ! test -e /sys/bus/pci/devices/$dev/ ; then
110 	# is a no-op.
139 	test -e /sys/bus/pci/devices/$1/driver;
144 	# we'll get an IO error if the device's current driver doesn't support
154 	# SR-IOV on pseries requires hypervisor support, so check for that
156 	if grep -q pSeries /proc/cpuinfo ; then
157 		if [ ! -f /proc/device-tree/rtas/ibm,open-sriov-allow-unfreeze ] ||
158 		   [ ! -f /proc/device-tree/rtas/ibm,open-sriov-map-pe-number ] ; then
165 	for dev in `ls -1 /sys/bus/pci/devices/` ; do
167 		if [ ! -e "$sysfs/sriov_numvfs" ] ; then
172 		if [ -z "$is_pseries" ] &&
173 		   [ ! -f "$sysfs/of_node/ibm,is-open-sriov-pf" ] &&
174 		   [ ! -f "$sysfs/of_node/ibm,open-sriov-vf-bar-info" ] ; then
186 	if [ -z "$devices" ] ; then
236 	if [ -z "$pf_list" ] ; then