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hw-mgmt: scripts: add new reset ready attribute.
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New reset_attr_ready file is created and set to 1 when all reset cause links
for this system are created. It can be used as a trigger in other services
that they can check reset reason.

Reviewed-by: Vadim Pasternak <[email protected]>
Signed-off-by: Michael Shych <[email protected]>
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@mshych
mshych committed Aug 22, 2023
1 parent 7305e37 commit 096affd
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Showing 3 changed files with 37 additions and 2 deletions.
4 changes: 2 additions & 2 deletions debian/changelog
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
hw-management (1.mlnx.7.0020.4302) unstable; urgency=low
hw-management (1.mlnx.7.0020.4303) unstable; urgency=low
[ MLNX ]

-- MellanoxBSP <[email protected]> Thu, 20 Jul 2023 11:30:00 +0300
-- MellanoxBSP <[email protected]> Tue, 22 Aug 2023 11:30:00 +0300
14 changes: 14 additions & 0 deletions usr/usr/bin/hw-management-chassis-events.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -719,6 +719,17 @@ handle_cpld_versions()
echo "$str" > $system_path/cpld
}

check_reset_attrs()
{
attrname="$1"
if [[ "$attrname" == "reset_"* ]]; then
reset_attr_count=$((reset_attr_count+1))
if [ $reset_attr_count -eq $reset_attr_num ]; then
check_n_init $config_path/reset_attr_ready 1
fi
fi
}

if [ "$1" == "add" ]; then
# Don't process udev events until service is started and directories are created
if [ ! -f ${udev_ready} ]; then
Expand Down Expand Up @@ -902,6 +913,8 @@ if [ "$1" == "add" ]; then
$led_path/led_"$name"_state
fi
if [ "$2" == "regio" ]; then
reset_attr_num=$(< $config_path/reset_attr_num)
reset_attrr_count=0
linecard=0
# Detect if it belongs to line card or to main board.
# For main board dirname mlxreg-io, for linecard - mlxreg-io.{bus_num}.
Expand Down Expand Up @@ -932,6 +945,7 @@ if [ "$1" == "add" ]; then
[ "$attrname" != "uevent" ] &&
[ "$attrname" != "name" ] && [ "$take" -ne 0 ] ; then
ln -sf "$3""$4"/"$attrname" $system_path/"$attrname"
check_reset_attrs "$attrname"
fi
done
handle_cpld_versions "$cpld_num"
Expand Down
21 changes: 21 additions & 0 deletions usr/usr/bin/hw-management.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -95,6 +95,7 @@ quantum2_pci_id=d2f2
nv3_pci_id=1af1
nv4_pci_id=22a3
leakage_count=0
reset_dflt_attr_num=18

# Topology description and driver specification for ambient sensors and for
# ASIC I2C driver per system class. Specific system class is obtained from DMI
Expand Down Expand Up @@ -878,6 +879,7 @@ msn274x_specific()
echo 2 > $config_path/cpld_num
echo 24c02 > $config_path/psu_eeprom_type
lm_sensors_config="$lm_sensors_configs_path/msn2740_sensors.conf"
echo 8 > $config_path/reset_attr_num
}

msn21xx_specific()
Expand All @@ -898,6 +900,7 @@ msn21xx_specific()
lm_sensors_config="$lm_sensors_configs_path/msn2100_sensors.conf"
echo 4 > $config_path/fan_drwr_num
echo 1 > $config_path/fixed_fans_system
echo 8 > $config_path/reset_attr_num
}

msn24xx_specific()
Expand Down Expand Up @@ -931,6 +934,7 @@ msn24xx_specific()
lm_sensors_config="$lm_sensors_configs_path/msn2700_sensors.conf"
set_spc1_port_cpld
cpld=$(< $config_path/cpld_port)
echo 8 > $config_path/reset_attr_num
}

msn27xx_msb_msx_specific()
Expand Down Expand Up @@ -981,6 +985,7 @@ msn27xx_msb_msx_specific()

lm_sensors_config="$lm_sensors_configs_path/msn2700_sensors.conf"
get_i2c_bus_frequency_default
echo 8 > $config_path/reset_attr_num
}

msn201x_specific()
Expand All @@ -1001,6 +1006,7 @@ msn201x_specific()
lm_sensors_config="$lm_sensors_configs_path/msn2010_sensors.conf"
echo 4 > $config_path/fan_drwr_num
echo 1 > $config_path/fixed_fans_system
echo 8 > $config_path/reset_attr_num
}

connect_msn3700()
Expand Down Expand Up @@ -1066,6 +1072,7 @@ mqmxxx_msn37x_msn34x_specific()
echo 4600 > $config_path/psu_fan_min
echo 3 > $config_path/cpld_num
get_i2c_bus_frequency_default
echo "$reset_dflt_attr_num" > $config_path/reset_attr_num
}

sn3750sx_specific()
Expand Down Expand Up @@ -1101,6 +1108,7 @@ msn3420_specific()
echo 3 > $config_path/cpld_num
echo 24c02 > $config_path/psu_eeprom_type
lm_sensors_config="$lm_sensors_configs_path/msn3700_sensors.conf"
echo "$reset_dflt_attr_num" > $config_path/reset_attr_num
}

msn_xh3000_specific()
Expand Down Expand Up @@ -1134,6 +1142,7 @@ msn38xx_specific()
echo 4600 > $config_path/psu_fan_min
echo 4 > $config_path/cpld_num
lm_sensors_config="$lm_sensors_configs_path/msn3800_sensors.conf"
echo "$reset_dflt_attr_num" > $config_path/reset_attr_num
}

msn24102_specific()
Expand All @@ -1156,6 +1165,7 @@ msn24102_specific()
i2c_bus_def_off_eeprom_cpu=24
echo 24c02 > $config_path/psu_eeprom_type
get_i2c_bus_frequency_default
echo 8 > $config_path/reset_attr_num
}

msn27002_msb78002_specific()
Expand All @@ -1177,6 +1187,7 @@ msn27002_msb78002_specific()
i2c_bus_def_off_eeprom_cpu=24
echo 24c02 > $config_path/psu_eeprom_type
get_i2c_bus_frequency_default
echo "$reset_dflt_attr_num" > $config_path/reset_attr_num
}

connect_msn4700_msn4600()
Expand Down Expand Up @@ -1278,6 +1289,7 @@ msn46xx_specific()
echo 23000 > $config_path/psu_fan_max
echo 4600 > $config_path/psu_fan_min
echo 3 > $config_path/cpld_num
echo "$reset_dflt_attr_num" > $config_path/reset_attr_num
}

msn3510_specific()
Expand All @@ -1293,6 +1305,7 @@ msn3510_specific()
echo 4600 > $config_path/psu_fan_min
echo 3 > $config_path/cpld_num
lm_sensors_config="$lm_sensors_configs_path/msn3700_sensors.conf"
echo "$reset_dflt_attr_num" > $config_path/reset_attr_num
}

mqm97xx_specific()
Expand Down Expand Up @@ -1367,6 +1380,7 @@ mqm97xx_specific()
echo 23000 > $config_path/psu_fan_max
echo 4600 > $config_path/psu_fan_min
echo 3 > $config_path/cpld_num
echo "$reset_dflt_attr_num" > $config_path/reset_attr_num
}

mqm9510_specific()
Expand Down Expand Up @@ -1496,6 +1510,7 @@ p4697_specific()
echo 4600 > $config_path/psu_fan_min
echo 4 > $config_path/cpld_num
lm_sensors_config="$lm_sensors_configs_path/p4697_sensors.conf"
echo "$reset_dflt_attr_num" > $config_path/reset_attr_num
}

msn_spc2_common()
Expand Down Expand Up @@ -1535,6 +1550,7 @@ msn_spc2_common()
mqmxxx_msn37x_msn34x_specific
;;
esac
echo "$reset_dflt_attr_num" > $config_path/reset_attr_num
}

msn_spc3_common()
Expand Down Expand Up @@ -1565,6 +1581,7 @@ msn_spc3_common()
msn47xx_specific
;;
esac
echo "$reset_dflt_attr_num" > $config_path/reset_attr_num
}

msn48xx_specific()
Expand All @@ -1588,6 +1605,7 @@ msn48xx_specific()
echo 14 > $config_path/pcie_default_i2c_bus
lm_sensors_config="$lm_sensors_configs_path/msn4800_sensors.conf"
lm_sensors_config_lc="$lm_sensors_configs_path/msn4800_sensors_lc.conf"
echo "$reset_dflt_attr_num" > $config_path/reset_attr_num
}

sn2201_specific()
Expand Down Expand Up @@ -1623,6 +1641,7 @@ sn2201_specific()
sed -i "s/label temp8/label temp$id0/g" $lm_sensors_configs_path/sn2201_sensors.conf
sed -i "s/label temp14/label temp$id1/g" $lm_sensors_configs_path/sn2201_sensors.conf
lm_sensors_config="$lm_sensors_configs_path/sn2201_sensors.conf"
echo 13 > $config_path/reset_attr_num
}

p2317_specific()
Expand All @@ -1636,6 +1655,7 @@ p2317_specific()
echo 1 > $config_path/global_wp_wait_step
echo 20 > $config_path/global_wp_timeout
lm_sensors_config="$lm_sensors_configs_path/p2317_sensors.conf"
echo "$reset_dflt_attr_num" > $config_path/reset_attr_num
}

sn56xx_specific()
Expand Down Expand Up @@ -1682,6 +1702,7 @@ sn_spc4_common()
sn56xx_specific
;;
esac
echo "$reset_dflt_attr_num" > $config_path/reset_attr_num
}

check_system()
Expand Down

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