hw-mgmt: topoogy: Add dynamic devices for smart switch

Add hotplug hooks for DPU devices.

Signed-off-by: Vadim Pasternak <[email protected]>

usr/usr/bin/hw-management-chassis-events.sh

@@ -571,6 +571,22 @@ function handle_hotplug_event()
 	fan*)
 		handle_hotplug_fan_event "$attribute" "$event"
 		;;
+	dpu*)
+		bus=$(echo $attribute | cut  -d"_" -f1 | cut -c 4-)
+		bus_offset=$(< $config_path/dpu_bus_off)
+		bus=$((bus+bus_offset-1))
+		if [ "$attribute" == "dpu1_ready" ] || [ "$attribute" == "dpu2_ready" ] ||
+		   [ "$attribute" == "dpu3_ready" ] || [ "$attribute" == "dpu4_ready" ]; then
+			# Connect dynamic devices.
+			connect_underlying_devices "$bus"
+
+		fi
+		if [ "$attribute" == "dpu1_shtdn_ready" ] || [ "$attribute" == "dpu2_shtdn_ready" ] ||
+		   [ "$attribute" == "dpu3_shtdn_ready" ] || [ "$attribute" == "dpu4_shtdn_ready" ]; then
+			# Disconnect dynamic devices.
+			disconnect_underlying_devices "$bus"
+		fi
+		;;
 	*)
 		;;
 	esac
@@ -1156,19 +1172,6 @@ if [ "$1" == "add" ]; then
 			fi
 		done
 	fi
-	if [ "$2" == "dpu1_ready" ] || [ "$2" == "dpu2_ready" ] ||
-	   [ "$2" == "dpu3_read" ] || [ "$2" == "dpu4_ready" ]; then
-		# Connect dynamic devices.
-		bus=$(echo "$3$4" | xargs dirname | xargs dirname | xargs dirname | xargs basename | cut -d"-" -f1)
-		connect_underlying_devices "$bus"
-
-	fi
-	if [ "$2" == "dpu1_shtdn_ready" ] || [ "$2" == "dpu2_shtdn_ready" ] ||
-	   [ "$2" == "dpu3_shtdn_read" ] || [ "$2" == "dpu4_shtdn_ready" ]; then
-		# Disconnect dynamic devices.
-		bus=$(echo "$3$4" | xargs dirname | xargs dirname | xargs dirname | xargs basename | cut -d"-" -f1)
-		disconnect_underlying_devices "$bus"
-	fi
 	# Creating lc folders hierarchy upon line card udev add event.
 	if [ "$2" == "linecard" ]; then
 		input_bus_num=$(echo "$3""$4" | xargs basename | cut -d"-" -f1)

usr/usr/bin/hw-management-helpers.sh

@@ -643,8 +643,8 @@ connect_underlying_devices()
 
 	declare -a card_connect_table="($(< $config_path/i2c_underlying_devices))"
 
-	for ((i=0; i<${#card_connect_table[@]}; i+=$2)); do
-		addr="${card_connect_table[i+1]}"
+	for ((i=0; i<${#card_connect_table[@]}; i+=4)); do
+		addr="${card_connect_table[i+2]}"
 		if [ ! -d /sys/bus/i2c/devices/$bus-00"$addr" ] &&
 		   [ ! -d /sys/bus/i2c/devices/$bus-000"$addr" ]; then
 			echo "${card_connect_table[i]}" "$addr" > /sys/bus/i2c/devices/i2c-$bus/new_device
@@ -662,8 +662,8 @@ disconnect_underlying_devices()
 
 	declare -a card_connect_table="($(< $config_path/i2c_underlying_devices))"
 
-	for ((i=0; i<${#card_connect_table[@]}; i+=$2)); do
-		addr="${card_connect_table[i+1]}"
+	for ((i=0; i<${#card_connect_table[@]}; i+=4)); do
+		addr="${card_connect_table[i+2]}"
 		if [ -d /sys/bus/i2c/devices/$bus-00"$addr" ] &&
 		   [ -d /sys/bus/i2c/devices/$bus-000"$addr" ]; then
 			echo "$addr" > /sys/bus/i2c/devices/i2c-$bus/delete_device

usr/usr/bin/hw-management.sh

@@ -549,7 +549,7 @@ p4300_dynamic_i2c_bus_connect_table=( \
 	mp2975 0x23 26 voltmon2 )
 
 smart_switch_dpu_dynamic_i2c_bus_connect_table=( \
-	tmp421 0x0 0x1f tmp421 dpu_cx_amb \
+	tmp421 0x0 0x1f dpu_cx_amb \
 	mp2975 0x0 0x69 dpu_voltmon1 \
 	mp2975 0x0 0x6a dpu_voltmon2)