# Automatically activate certain s390-specific device types that are attached
# in offline state when running in an LPAR managed by the Dynamic Partition
# Manager (DPM).
#
# Note that processing is restricted to DPM as there may be use cases for
# not enabling these device types in non-DPM mode.
#
# To deactivate this processing, specify the following on the kernel command
# line:
#
#   rd.zdev=no-auto

ACTION!="add", GOTO="end_dpm"

# Handle newly added PCI devices in offline state
SUBSYSTEM=="slots", ATTR{power}=="0", GOTO="check_dpm"
# Handle newly added crypto devices in offline state
SUBSYSTEM=="ap", ENV{DEVTYPE}=="ap_card", ATTR{config}=="0", GOTO="check_dpm"

GOTO="end_dpm"

LABEL="check_dpm"

IMPORT{program}="/lib/s390-tools/zdev_id"

# Check for off-switch
ENV{ZDEV_NO_AUTO}=="1", GOTO="end_dpm"

# Check for DPM LPAR
ENV{ZDEV_IS_DPM}!="1", GOTO="end_dpm"
ENV{ZDEV_NEST_LEVEL}!="1", GOTO="end_dpm"
ENV{ZDEV_HYPERVISOR_0}!="LPAR", GOTO="end_dpm"

# Enable PCI device
SUBSYSTEM=="slots", ATTR{power}="1"
# Enable crypto device
SUBSYSTEM=="ap", ATTR{config}="1"

# End of rule
LABEL="end_dpm"