Initial commit

meta-google/recipes-google/host-power-ctrl/gpio-host-pwr/host-ensure-off.service

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+[Unit]
+Description=Ensure host is off on clean AC cycle
+Before=host-poweron.service
+Before=firmware-updates-pre.target
+
+[Service]
+Type=oneshot
+ExecStart=/usr/bin/host_ensure_off.sh
+
+[Install]
+WantedBy=multi-user.target

meta-google/recipes-google/host-power-ctrl/gpio-host-pwr/host-powercycle-watchdog.service

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+[Unit]
+Description=Powercycle host
+
+[Service]
+Type=oneshot
+Environment=DONT_STOP_WATCHDOG=1
+ExecStart=/usr/bin/host_powercycle.sh

meta-google/recipes-google/host-power-ctrl/gpio-host-pwr/host-powercycle.service

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+[Unit]
+Description=Powercycle host
+
+[Service]
+Type=oneshot
+ExecStart=/usr/bin/host_powercycle.sh

meta-google/recipes-google/host-power-ctrl/gpio-host-pwr/host-poweroff-watchdog.service

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+[Unit]
+Description=Power off host
+
+[Service]
+Type=oneshot
+Environment=DONT_STOP_WATCHDOG=1
+ExecStart=/usr/bin/host_poweroff.sh

meta-google/recipes-google/host-power-ctrl/gpio-host-pwr/host-poweroff.service

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+[Unit]
+Description=Power off host
+
+[Service]
+Type=oneshot
+ExecStart=/usr/bin/host_poweroff.sh

meta-google/recipes-google/host-power-ctrl/gpio-host-pwr/host-poweron.service

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+[Unit]
+Description=Power on host
+After=firmware-updates.target
+
+[Service]
+Type=oneshot
+ExecStart=/usr/bin/host_poweron.sh
+
+[Install]
+WantedBy=multi-user.target

meta-google/recipes-google/host-power-ctrl/gpio-host-pwr/host-reset-cold-watchdog.service

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+[Unit]
+Description=Cold Reset Host
+
+[Service]
+Type=oneshot
+Environment=DONT_STOP_WATCHDOG=1
+ExecStart=/usr/bin/host_reset.sh cold

meta-google/recipes-google/host-power-ctrl/gpio-host-pwr/host-reset-cold.service

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+[Unit]
+Description=Cold Reset Host
+
+[Service]
+Type=oneshot
+ExecStart=/usr/bin/host_reset.sh cold

meta-google/recipes-google/host-power-ctrl/gpio-host-pwr/host-reset-warm-watchdog.service

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+[Unit]
+Description=Warm Reset Host
+
+[Service]
+Type=oneshot
+Environment=DONT_STOP_WATCHDOG=1
+ExecStart=/usr/bin/host_reset.sh warm

meta-google/recipes-google/host-power-ctrl/gpio-host-pwr/host-reset-warm.service

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+[Unit]
+Description=Warm Reset Host
+
+[Service]
+Type=oneshot
+ExecStart=/usr/bin/host_reset.sh warm

meta-google/recipes-google/host-power-ctrl/gpio-host-pwr/host_ensure_off.sh

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+#!/bin/bash
+# Copyright 2021 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+if ! was_ac_reset.sh; then
+  echo "Not a tray reset, ignoring" >&2
+  exit 0
+fi
+
+echo "Powering off the host" >&2
+host_poweroff.sh

meta-google/recipes-google/host-power-ctrl/gpio-host-pwr/host_isoff.sh

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+#!/bin/bash
+# Copyright 2021 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# shellcheck source=meta-google/recipes-google/gpio/gpio-ctrl/lib.sh
+source /usr/share/gpio-host-pwr/lib.sh || exit
+
+gpio_build_cache 10 "$HOST_GPIO_PGOOD" || exit 255
+pgood="$(gpio_get_value "$HOST_GPIO_PGOOD")" || exit 255
+echo "HOST_PGOOD=$pgood" >&2
+(( pgood == 0 ))

meta-google/recipes-google/host-power-ctrl/gpio-host-pwr/host_powercycle.sh

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+#!/bin/bash
+# Copyright 2021 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# shellcheck source=meta-google/recipes-google/gpio/gpio-ctrl/lib.sh
+source /usr/share/gpio-host-pwr/lib.sh || exit
+gpio_build_cache 10 "$HOST_GPIO_PGOOD" "$HOST_GPIO_PWR_BTN" || exit
+
+rc=0
+host_poweroff.sh || rc=$?
+# We want to ensure we aren't too quickly bouncing the power button
+sleep 0.5
+host_poweron.sh || rc=$?
+exit $rc

meta-google/recipes-google/host-power-ctrl/gpio-host-pwr/host_poweroff.sh

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+#!/bin/bash
+# Copyright 2021 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# shellcheck source=meta-google/recipes-google/gpio/gpio-ctrl/lib.sh
+source /usr/share/gpio-host-pwr/lib.sh || exit
+
+gpio_build_cache 10 "$HOST_GPIO_PGOOD" "$HOST_GPIO_PWR_BTN" || exit
+gpio_init "$HOST_GPIO_PGOOD" || exit
+
+# Set the power status LED
+if [ -n "$HOST_LED_PWR" ]; then
+  echo 'none' > /sys/class/leds/"$HOST_LED_PWR"/trigger || true
+  echo '0' > /sys/class/leds/"$HOST_LED_PWR"/brightness || true
+fi
+
+# Ensure the watchdog is no longer going to run
+host_pwr_stop_watchdog || true
+
+# We don't want to do anything if the machine is already off
+pgood="$(gpio_get_value "$HOST_GPIO_PGOOD")" || exit
+if (( pgood == 0 )); then
+  echo 'Host is already off, doing nothing' >&2
+  exit 0
+fi
+
+# Do a long push of the button if PGOOD
+echo 'Stopping host power' >&2
+rc=0
+gpio_set_value "$HOST_GPIO_PWR_BTN" 1 || rc=$?
+
+# Loop until we realize that host power is off
+# Limit the loop count to 10 seconds as we should never
+# have to wait this long for poweroff
+s=$SECONDS
+while true; do
+  if ! pgood="$(gpio_get_value "$HOST_GPIO_PGOOD")"; then
+    rc=1
+    break
+  fi
+  if (( pgood == 0 )); then
+    echo 'Host is now off' >&2
+    break
+  fi
+  if (( SECONDS - s > 10 )); then
+    echo 'Poweroff timed out, terminating' >&2
+    rc=2
+    break
+  fi
+  sleep 0.1
+done
+
+gpio_set_value "$HOST_GPIO_PWR_BTN" 0 || rc=$?
+
+exit $rc

meta-google/recipes-google/host-power-ctrl/gpio-host-pwr/host_poweron.sh

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+#!/bin/bash
+# Copyright 2021 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# shellcheck source=meta-google/recipes-google/gpio/gpio-ctrl/lib.sh
+source /usr/share/gpio-host-pwr/lib.sh || exit
+
+gpio_build_cache 10 "$HOST_GPIO_PGOOD" "$HOST_GPIO_PWR_BTN" || exit
+gpio_init "$HOST_GPIO_PGOOD" || exit
+
+# Set the power status LED
+if [ -n "$HOST_LED_PWR" ]; then
+  echo 'none' > /sys/class/leds/"$HOST_LED_PWR"/trigger || true
+  echo '255' > /sys/class/leds/"$HOST_LED_PWR"/brightness || true
+fi
+
+# Ensure the watchdog is available before the host starts
+host_pwr_start_watchdog || true
+
+# We don't want to do anything if the machine is already on
+pgood="$(gpio_get_value "$HOST_GPIO_PGOOD")" || exit
+if (( pgood == 1 )); then
+  echo 'Host is already running, doing nothing' >&2
+  exit 0
+fi
+
+# Do a quick push of the button if PGOOD
+echo "Starting host power" >&2
+rc=0
+gpio_set_value "$HOST_GPIO_PWR_BTN" 1 || rc=$?
+sleep 0.1
+gpio_set_value "$HOST_GPIO_PWR_BTN" 0 || rc=$?
+
+# Loop until we realize that host power is on
+# Limit the loop count to 10 seconds as we should never
+# have to wait this long for poweroff
+s=$SECONDS
+while true; do
+  if ! pgood="$(gpio_get_value "$HOST_GPIO_PGOOD")"; then
+    rc=1
+    break
+  fi
+  if (( pgood == 1 )); then
+    echo 'Host is now on' >&2
+    break
+  fi
+  if (( SECONDS - s > 10 )); then
+    echo 'Poweron timed out, terminating' >&2
+    rc=2
+    break
+  fi
+  sleep 0.1
+done
+
+exit $rc

meta-google/recipes-google/host-power-ctrl/gpio-host-pwr/host_reset.sh

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+#!/bin/bash
+# Copyright 2021 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# shellcheck source=meta-google/recipes-google/gpio/gpio-ctrl/lib.sh
+source /usr/share/gpio-host-pwr/lib.sh || exit
+
+if [[ "${1-}" == "warm" ]]; then
+  rst_txt='WARM' >&2
+  rst_gpio="$HOST_GPIO_WARM_RESET"
+else
+  rst_txt='COLD' >&2
+  rst_gpio="$HOST_GPIO_COLD_RESET"
+fi
+
+gpio_build_cache 10 "$rst_gpio" || exit
+
+# Do a quick push of the button if PGOOD
+echo "Issuing $rst_txt reset" >&2
+rc=0
+gpio_set_value "$rst_gpio" 1 || rc=$?
+sleep 0.1
+gpio_set_value "$rst_gpio" 0 || rc=$?
+
+# Make sure the watchdog is stopped while the host is in reset
+# and can't possibly restart it.
+host_pwr_stop_watchdog || true
+
+exit $rc

meta-google/recipes-google/host-power-ctrl/gpio-host-pwr/lib.sh

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+#!/bin/bash
+# Copyright 2021 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# This is intended to be used as a library for managing gpio line values.
+# Executing this directly will do nothing.
+[ -n "${host_pwr_init-}" ] && return
+
+# shellcheck source=meta-google/recipes-google/gpio/gpio-ctrl/lib.sh
+source /usr/share/gpio-ctrl/lib.sh || exit
+
+# Read by the tooling to determine if the machine is powered on or off
+# shellcheck disable=SC2034
+HOST_GPIO_PGOOD='unset'
+# Set according to whether the host is powered on or off
+# shellcheck disable=SC2034
+HOST_LED_PWR=''
+# Written by the tooling to assert the power button
+# shellcheck disable=SC2034
+HOST_GPIO_PWR_BTN='unset'
+# Written by the tooling to assert a cold reset
+# shellcheck disable=SC2034
+HOST_GPIO_COLD_RESET='unset'
+# Written by the tooling to assert a warm reset
+# shellcheck disable=SC2034
+HOST_GPIO_WARM_RESET='unset'
+
+# Load configurations from a known location in the filesystem to populate
+# named GPIOs
+shopt -s nullglob
+for conf in /usr/share/gpio-host-pwr/conf.d/*.sh; do
+  # shellcheck source=/dev/null
+  source "$conf"
+done
+
+##################################################
+# Stop the host watchdog
+# Return:
+#   0 if success, non-zero if error
+##################################################
+host_pwr_stop_watchdog() {
+  # Check to see if we can stop the watchdog safely
+  # We don't want to stop if we are called from the watchdog itself
+  if [ -n "${DONT_STOP_WATCHDOG-}" ]; then
+    return 0
+  fi
+
+  echo 'Stopping the host watchdog' >&2
+  systemctl stop phosphor-watchdog@host0
+}
+
+##################################################
+# Start the host watchdog
+# Return:
+#   0 if success, non-zero if error
+##################################################
+host_pwr_start_watchdog() {
+  echo 'Starting the host watchdog' >&2
+  systemctl start phosphor-watchdog@host0
+}
+
+host_pwr_init=1

meta-google/recipes-google/host-power-ctrl/gpio-host-pwr_git.bb

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+SUMMARY = "GPIO based powercontrol for a host system"
+DESCRIPTION = "GPIO based powercontrol for a host system."
+PR = "r1"
+LICENSE = "Apache-2.0"
+LIC_FILES_CHKSUM = "file://${COREBASE}/meta/files/common-licenses/Apache-2.0;md5=89aea4e17d99a7cacdbeed46a0096b10"
+
+inherit systemd
+
+RDEPENDS:${PN} += " \
+  bash \
+  gpio-ctrl \
+  "
+
+SRC_URI += " \
+  file://host-ensure-off.service \
+  file://host-powercycle-watchdog.service \
+  file://host-powercycle.service \
+  file://host-poweroff-watchdog.service \
+  file://host-poweroff.service \
+  file://host-poweron.service \
+  file://host-reset-cold-watchdog.service \
+  file://host-reset-cold.service \
+  file://host-reset-warm-watchdog.service \
+  file://host-reset-warm.service \
+  file://host_ensure_off.sh \
+  file://host_isoff.sh \
+  file://host_powercycle.sh \
+  file://host_poweroff.sh \
+  file://host_poweron.sh \
+  file://host_reset.sh \
+  file://lib.sh \
+  "
+
+SYSTEMD_PACKAGES = "${PN}"
+SYSTEMD_SERVICE:${PN} += " \
+  host-reset-cold.service \
+  host-reset-cold-watchdog.service \
+  host-reset-warm.service \
+  host-reset-warm-watchdog.service \
+  host-ensure-off.service \
+  host-powercycle.service \
+  host-powercycle-watchdog.service \
+  host-poweroff.service \
+  host-poweroff-watchdog.service \
+  host-poweron.service \
+  "
+
+do_install() {
+    install -d ${D}${bindir}
+    install -m 0755 ${WORKDIR}/host_*.sh ${D}${bindir}/
+
+    install -d ${D}${datadir}/gpio-host-pwr
+    install -m 0755 ${WORKDIR}/lib.sh ${D}${datadir}/gpio-host-pwr/
+
+    install -d ${D}${systemd_system_unitdir}
+    install -m 0644 ${WORKDIR}/*.service ${D}${systemd_system_unitdir}/
+}

meta-google/recipes-google/host-power-ctrl/libwatchdog/libwatchdog.sh

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+#!/bin/bash
+# Copyright 2021 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+##################################################
+# Stop the host watchdog
+# Return:
+#   0 if success, non-zero if error
+##################################################
+stop_host_watchdog() {
+  if (( $# != 0 )); then
+    echo 'Usage: stop_host_watchdog' >&2
+    return 1
+  fi
+
+  local srv='xyz.openbmc_project.Watchdog'
+  local obj='/xyz/openbmc_project/watchdog/host0'
+  local intf='xyz.openbmc_project.State.Watchdog'
+  local method='Enabled'
+  local args=('b' 'false')
+  busctl set-property "${srv}" "${obj}" "${intf}" "${method}" "${args[@]}"
+}

meta-google/recipes-google/host-power-ctrl/libwatchdog_git.bb

@@ -0,0 +1,16 @@
+SUMMARY = "Watchdog Shell Library"
+DESCRIPTION = "Watchdog Shell Library"
+PR = "r1"
+LICENSE = "Apache-2.0"
+LIC_FILES_CHKSUM = "file://${COREBASE}/meta/files/common-licenses/Apache-2.0;md5=89aea4e17d99a7cacdbeed46a0096b10"
+
+SRC_URI += " \
+  file://libwatchdog.sh \
+"
+
+RDEPENDS:${PN} = "bash"
+
+do_install() {
+    install -d ${D}${libexecdir}
+    install -m 0755 ${WORKDIR}/libwatchdog.sh ${D}${libexecdir}/
+}