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#
# nvmf-autoconnect.rules:
# Handles udev events which invoke automatically scan via discovery
# controller and connect to elements in the discovery log.
#
#
ACTION!="change", GOTO="autoconnect_end"
# For backwards compatibility. Make sure HOST_IFACE is not an empty string.
ENV{NVME_HOST_IFACE}=="", ENV{NVME_HOST_IFACE}="none"
# Events from persistent discovery controllers or nvme-fc transport events
# NVME_AEN:
# type 0x2 (NOTICE) info 0xf0 (DISCOVERY_LOG_CHANGE) log-page-id 0x70 (DISCOVERY_LOG_PAGE)
ACTION=="change", SUBSYSTEM=="nvme", ENV{NVME_AEN}=="0x70f002",\
ENV{NVME_TRTYPE}=="*", ENV{NVME_TRADDR}=="*", \
ENV{NVME_TRSVCID}=="*", ENV{NVME_HOST_TRADDR}=="*", ENV{NVME_HOST_IFACE}=="*", \
RUN+="@SYSTEMCTL@ --no-block start nvmf-connect@--device=$kernel\t--transport=$env{NVME_TRTYPE}\t--traddr=$env{NVME_TRADDR}\t--trsvcid=$env{NVME_TRSVCID}\t--host-traddr=$env{NVME_HOST_TRADDR}\t--host-iface=$env{NVME_HOST_IFACE}.service"
# nvme-fc transport generated events (old-style for compatibility)
ACTION=="change", SUBSYSTEM=="fc", ENV{FC_EVENT}=="nvmediscovery", \
ENV{NVMEFC_HOST_TRADDR}=="*", ENV{NVMEFC_TRADDR}=="*", \
RUN+="@SYSTEMCTL@ --no-block start nvmf-connect@--device=none\t--transport=fc\t--traddr=$env{NVMEFC_TRADDR}\t--trsvcid=none\t--host-traddr=$env{NVMEFC_HOST_TRADDR}.service"
# A discovery controller just (re)connected, re-read the discovery log change to
# check if there were any changes since it was last connected.
ACTION=="change", SUBSYSTEM=="nvme", ENV{NVME_EVENT}=="rediscover", ATTR{cntrltype}=="discovery", \
ENV{NVME_TRTYPE}=="*", ENV{NVME_TRADDR}=="*", \
ENV{NVME_TRSVCID}=="*", ENV{NVME_HOST_TRADDR}=="*", ENV{NVME_HOST_IFACE}=="*", \
RUN+="@SYSTEMCTL@ --no-block start nvmf-connect@--device=$kernel\t--transport=$env{NVME_TRTYPE}\t--traddr=$env{NVME_TRADDR}\t--trsvcid=$env{NVME_TRSVCID}\t--host-traddr=$env{NVME_HOST_TRADDR}\t--host-iface=$env{NVME_HOST_IFACE}.service"
LABEL="autoconnect_end"
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