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