#!/bin/sh
#
# Copyright 2015, Daniel Axtens, IBM Corporation
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
#  the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.


# do we have ./getscom, ./putscom?
if [ -x ./getscom ] && [ -x ./putscom ]; then
	GETSCOM=./getscom
	PUTSCOM=./putscom
elif which getscom > /dev/null; then
	GETSCOM=$(which getscom)
	PUTSCOM=$(which putscom)
else
	cat <<EOF
Can't find getscom/putscom in . or \$PATH.
See https://github.com/open-power/skiboot.
The tool is in external/xscom-utils
EOF
	exit 1
fi

# We will get 8 HMI events per injection
# todo: deal with things being offline
expected_hmis=8
COUNT_HMIS() {
    dmesg | grep -c 'Harmless Hypervisor Maintenance interrupt'
}

# massively expand snooze delay, allowing injection on all cores
ppc64_cpu --smt-snooze-delay=1000000000

# when we exit, restore it
trap "ppc64_cpu --smt-snooze-delay=100" 0 1

# for each chip+core combination
# todo - less fragile parsing
egrep -o 'OCC: Chip [0-9a-f]+ Core [0-9a-f]' < /sys/firmware/opal/msglog |
while read chipcore; do
	chip=$(echo "$chipcore"|awk '{print $3}')
	core=$(echo "$chipcore"|awk '{print $5}')
	fir="0x1${core}013100"

	# verify that Core FIR is zero as expected
	if [ "$($GETSCOM -c 0x${chip} $fir)" != 0 ]; then
		echo "FIR was not zero before injection for chip $chip, core $core. Aborting!"
		echo "Result of $GETSCOM -c 0x${chip} $fir:"
		$GETSCOM -c 0x${chip} $fir
		echo "If you get a -5 error, the core may be in idle state. Try stress-ng."
		echo "Otherwise, try $PUTSCOM -c 0x${chip} $fir 0"
		exit 1
	fi

	# keep track of the number of HMIs handled
	old_hmis=$(COUNT_HMIS)

	# do injection, adding a marker to dmesg for clarity
	echo "Injecting HMI on core $core, chip $chip" | tee /dev/kmsg
	# inject a RegFile recoverable error
	if ! $PUTSCOM -c 0x${chip} $fir 2000000000000000 > /dev/null; then
		echo "Error injecting. Aborting!"
		exit 1
	fi

	# now we want to wait for all the HMIs to be processed
	# we expect one per thread on the core
	i=0;
	new_hmis=$(COUNT_HMIS)
	while [ $new_hmis -lt $((old_hmis + expected_hmis)) ] && [ $i -lt 12 ]; do
	    echo "Seen $((new_hmis - old_hmis)) HMI(s) out of $expected_hmis expected, sleeping"
	    sleep 5;
	    i=$((i + 1))
	    new_hmis=$(COUNT_HMIS)
	done
	if [ $i = 12 ]; then
	    echo "Haven't seen expected $expected_hmis recoveries after 1 min. Aborting."
	    exit 1
	fi
	echo "Processed $expected_hmis events; presumed success. Check dmesg."
	echo ""
done
.cgi/linux/net-next.git/commit/sound?id=11e3b725cfc282efe9d4a354153e99d86a16af08'>sound</a>/<a href='/cgit.cgi/linux/net-next.git/commit/sound/soc?id=11e3b725cfc282efe9d4a354153e99d86a16af08'>soc</a>/<a href='/cgit.cgi/linux/net-next.git/commit/sound/soc/tegra?id=11e3b725cfc282efe9d4a354153e99d86a16af08'>tegra</a>/<a href='/cgit.cgi/linux/net-next.git/commit/sound/soc/tegra/Kconfig?id=11e3b725cfc282efe9d4a354153e99d86a16af08'>Kconfig</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='11e3b725cfc282efe9d4a354153e99d86a16af08'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Ard Biesheuvel &lt;ard.biesheuvel@linaro.org&gt;</td><td class='right'>2017-01-17 13:46:29 +0000</td></tr>
<tr><th>committer</th><td>Herbert Xu &lt;herbert@gondor.apana.org.au&gt;</td><td class='right'>2017-01-23 22:41:33 +0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/sound/soc/tegra/Kconfig?id=11e3b725cfc282efe9d4a354153e99d86a16af08'>11e3b725cfc282efe9d4a354153e99d86a16af08</a> (<a href='/cgit.cgi/linux/net-next.git/patch/sound/soc/tegra/Kconfig?id=11e3b725cfc282efe9d4a354153e99d86a16af08'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=11e3b725cfc282efe9d4a354153e99d86a16af08'>8b5b9e0e1bcae1ab98ee652ffb7b13b05c209bd6</a> /<a href='/cgit.cgi/linux/net-next.git/tree/sound/soc/tegra/Kconfig?id=11e3b725cfc282efe9d4a354153e99d86a16af08'>sound/soc/tegra/Kconfig</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/sound/soc/tegra/Kconfig?id=d6040764adcb5cb6de1489422411d701c158bb69'>d6040764adcb5cb6de1489422411d701c158bb69</a> (<a href='/cgit.cgi/linux/net-next.git/diff/sound/soc/tegra/Kconfig?id=11e3b725cfc282efe9d4a354153e99d86a16af08&amp;id2=d6040764adcb5cb6de1489422411d701c158bb69'>diff</a>)</td></tr></table>
<div class='commit-subject'>crypto: arm64/aes-blk - honour iv_out requirement in CBC and CTR modes</div><div class='commit-msg'>Update the ARMv8 Crypto Extensions and the plain NEON AES implementations
in CBC and CTR modes to return the next IV back to the skcipher API client.
This is necessary for chaining to work correctly.

Note that for CTR, this is only done if the request is a round multiple of
the block size, since otherwise, chaining is impossible anyway.

Cc: &lt;stable@vger.kernel.org&gt; # v3.16+
Signed-off-by: Ard Biesheuvel &lt;ard.biesheuvel@linaro.org&gt;
Signed-off-by: Herbert Xu &lt;herbert@gondor.apana.org.au&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=11e3b725cfc282efe9d4a354153e99d86a16af08'>Diffstat</a> (limited to 'sound/soc/tegra/Kconfig')</div><table summary='diffstat' class='diffstat'>