Initial commit

meta-google/recipes-google/systemd/files/10-gbmc.conf

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+[Service]
+TimeoutStartSec=20min

meta-google/recipes-google/systemd/files/40-gbmc-forward.conf

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+net.ipv4.ip_forward=1
+net.ipv4.conf.default.forwarding=1
+net.ipv4.conf.all.forwarding=1
+net.ipv6.conf.default.forwarding=1
+net.ipv6.conf.all.forwarding=1

meta-google/recipes-google/systemd/files/40-gbmc-sysctl.conf

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+kernel.oops_all_cpu_backtrace = 1

meta-google/recipes-google/systemd/files/40-gbmc-time.conf

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+[Time]
+ConnectionRetrySec=30
+PollIntervalMinSec=30
+PollIntervalMaxSec=60
+SaveIntervalSec=15
+# time.google.com addresses are stable, no need for DNS
+NTP=2001:4860:4806::
+NTP=2001:4860:4806:4::
+NTP=2001:4860:4806:8::
+NTP=2001:4860:4806:c::

meta-google/recipes-google/systemd/files/firmware-updates-pre.target

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+[Unit]
+Description=Firmware Update Preconditions

meta-google/recipes-google/systemd/files/firmware-updates.target

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+[Unit]
+Description=Firmware Updates and Configuration
+Wants=firmware-updates-pre.target
+
+[Install]
+WantedBy=multi-user.target

meta-google/recipes-google/systemd/gbmc-systemd-config.bb

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+SUMMARY = "Configures systemd settings for gBMC"
+PR = "r1"
+LICENSE = "Apache-2.0"
+LIC_FILES_CHKSUM = "file://${COREBASE}/meta/files/common-licenses/Apache-2.0;md5=89aea4e17d99a7cacdbeed46a0096b10"
+
+inherit systemd
+
+S = "${WORKDIR}"
+
+SRC_URI:append = " \
+  file://firmware-updates.target \
+  file://firmware-updates-pre.target \
+  file://40-gbmc-forward.conf \
+  file://40-gbmc-sysctl.conf \
+  file://40-gbmc-time.conf \
+  file://10-gbmc.conf \
+  "
+
+FILES:${PN}:append = " \
+  ${systemd_unitdir}/coredump.conf.d/40-gbmc-coredump.conf \
+  ${systemd_unitdir}/resolved.conf.d/40-gbmc-nomdns.conf \
+  ${systemd_unitdir}/timesyncd.conf.d/40-gbmc-time.conf \
+  ${libdir}/sysctl.d/40-gbmc-sysctl.conf \
+  ${libdir}/sysctl.d/40-gbmc-forward.conf \
+  ${systemd_system_unitdir}/sysinit.target.wants/systemd-time-wait-sync.service \
+  ${systemd_system_unitdir}/systemd-time-wait-sync.service.d/10-gbmc.conf \
+  "
+
+FILES:${PN}:append:dev = " \
+  ${libdir}/sysctl.d/40-gbmc-debug.conf \
+  "
+
+SYSTEMD_SERVICE:${PN}:append = " \
+  firmware-updates.target \
+  firmware-updates-pre.target \
+  "
+
+RDEPENDS:${PN}:append = " bash"
+# Put coredumps in the journal to ensure they stay in ram
+do_install() {
+  install -d -m 0755 ${D}${systemd_unitdir}/coredump.conf.d
+  printf "[Coredump]\nStorage=journal\n" \
+    >${D}${systemd_unitdir}/coredump.conf.d/40-gbmc-coredump.conf
+
+  install -d -m 0755 ${D}${systemd_unitdir}/resolved.conf.d
+  printf "[Resolve]\nLLMNR=no\nMulticastDNS=resolve\n" \
+    >${D}${systemd_unitdir}/resolved.conf.d/40-gbmc-nomdns.conf
+
+  install -d -m 0755 ${D}${systemd_system_unitdir}
+  install -m 0644 ${WORKDIR}/firmware-updates.target ${D}${systemd_system_unitdir}/
+  install -m 0644 ${WORKDIR}/firmware-updates-pre.target ${D}${systemd_system_unitdir}/
+  # mask systemd-pstore.service to avoid copying logs to SPI
+  mkdir -p ${D}${sysconfdir}/systemd/system
+  ln -sv /dev/null ${D}${sysconfdir}/systemd/system/systemd-pstore.service
+
+  # mask networkd-wait-online.service to avoid waiting
+  ln -sv /dev/null ${D}/${sysconfdir}/systemd/system/systemd-networkd-wait-online.service
+
+  install -d -m0755 ${D}${libdir}/sysctl.d
+  install -m 0644 ${WORKDIR}/40-gbmc-forward.conf ${D}${libdir}/sysctl.d/
+  install -m 0644 ${WORKDIR}/40-gbmc-sysctl.conf ${D}${libdir}/sysctl.d/
+
+  install -d -m 0755 ${D}${systemd_unitdir}/timesyncd.conf.d/
+  install -D -m0644 ${WORKDIR}/40-gbmc-time.conf ${D}${systemd_unitdir}/timesyncd.conf.d/
+
+  mkdir -p ${D}${systemd_system_unitdir}/sysinit.target.wants/
+  ln -sv ${systemd_system_unitdir}/systemd-time-wait-sync.service ${D}${systemd_system_unitdir}/sysinit.target.wants/
+  mkdir -p ${D}${systemd_system_unitdir}/systemd-time-wait-sync.service.d/
+  install -D -m0644 ${WORKDIR}/10-gbmc.conf ${D}${systemd_system_unitdir}/systemd-time-wait-sync.service.d/
+}
+
+do_install:append:dev() {
+  printf "kernel.sysrq = 1\n" \
+      >${D}${libdir}/sysctl.d/40-gbmc-debug.conf
+}