1#!/bin/bash
2
3export PATH=$PATH:/usr/sbin:/usr/libexec
4
5# shellcheck source=meta-facebook/meta-bletchley/recipes-bletchley/plat-tools/files/bletchley-common-functions
6source /usr/libexec/bletchley-common-functions
7
8MDIO_TOOL="/usr/sbin/mdio"
9SWITCH_MDIO_BUS="1e650000.mdio-1"
10
11declare -a PORT_NUM_MAP=(10 3 2 1 7 6 5)
12
13declare -a HOST_PREVIOUS_STATE=("" "" "" "" "" "" "")
14declare -a HOST_STATE_CHANGE_CHECK=(0 0 0 0 0 0 0)
15HOST_STATE_CHANGE_CHECH_CNT=5
16
17declare -A HOST_ACPI_ST_MAP
18HOST_ACPI_ST_MAP["UNKNOW"]="Unknow"
19HOST_ACPI_ST_MAP["NOT_PRESENT"]="G3"
20HOST_ACPI_ST_MAP["AC_OFF"]="G3"
21HOST_ACPI_ST_MAP["OFF"]="G3"
22HOST_ACPI_ST_MAP["SLEEP"]="SLEEP"
23HOST_ACPI_ST_MAP["ON"]="S0_G0_D0"
24
25declare -A HOST_STATE_MAP
26HOST_STATE_MAP["UNKNOW"]="Quiesced"
27HOST_STATE_MAP["NOT_PRESENT"]="Off"
28HOST_STATE_MAP["AC_OFF"]="Off"
29HOST_STATE_MAP["OFF"]="Off"
30HOST_STATE_MAP["SLEEP"]="Standby"
31HOST_STATE_MAP["ON"]="Running"
32
33declare -A CHASSIS_PWR_STATE_MAP
34CHASSIS_PWR_STATE_MAP["UNKNOW"]="On"
35CHASSIS_PWR_STATE_MAP["NOT_PRESENT"]="Off"
36CHASSIS_PWR_STATE_MAP["AC_OFF"]="Off"
37CHASSIS_PWR_STATE_MAP["OFF"]="On"
38CHASSIS_PWR_STATE_MAP["SLEEP"]="On"
39CHASSIS_PWR_STATE_MAP["ON"]="On"
40
41is_host_ac_on()
42{
43    local HOST_ID=$1
44    local I2C_BUS
45    local P1_OUTPUT_REG
46    local P1_CONFIG_REG
47    local HOST_PWR
48    local IS_OUTPUT
49
50    I2C_BUS=$((HOST_ID-1))
51    P1_OUTPUT_REG=$(i2cget -f -y "$I2C_BUS" 0x76 0x03)
52    P1_CONFIG_REG=$(i2cget -f -y "$I2C_BUS" 0x76 0x07)
53    HOST_PWR="$(( (P1_OUTPUT_REG & 0x80)>>7 ))"
54    IS_OUTPUT="$(( (~P1_CONFIG_REG & 0x80)>>7 ))"
55
56    if [ "$((HOST_PWR & IS_OUTPUT))" -eq 1 ];then
57        return 0
58    fi
59
60    return 1
61}
62
63update_host_acpi_power_state()
64{
65    local BUS_NAME="xyz.openbmc_project.Settings"
66    local OBJ_PATH="/xyz/openbmc_project/control/host$1/acpi_power_state"
67    local DBUS_PROPERTIES_INTF_NAME="org.freedesktop.DBus.Properties"
68    local INTF_NAME="xyz.openbmc_project.Control.Power.ACPIPowerState"
69    local PROPERTY_NAME="SysACPIStatus"
70    local PROPERTY_VAL="xyz.openbmc_project.Control.Power.ACPIPowerState.ACPI.$2"
71    busctl call "$BUS_NAME" "$OBJ_PATH" "$DBUS_PROPERTIES_INTF_NAME" Set ssv "$INTF_NAME" "$PROPERTY_NAME" s "$PROPERTY_VAL"
72}
73
74update_host_state()
75{
76    local BUS_NAME="xyz.openbmc_project.State.Host$1"
77    local OBJ_PATH="/xyz/openbmc_project/state/host$1"
78    local DBUS_PROPERTIES_INTF_NAME="org.freedesktop.DBus.Properties"
79    local INTF_NAME="xyz.openbmc_project.State.Host"
80    local PROPERTY_NAME="CurrentHostState"
81    local PROPERTY_VAL="xyz.openbmc_project.State.Host.HostState.$2"
82    busctl call "$BUS_NAME" "$OBJ_PATH" "$DBUS_PROPERTIES_INTF_NAME" Set ssv "$INTF_NAME" "$PROPERTY_NAME" s "$PROPERTY_VAL"
83}
84
85update_chassis_power_state()
86{
87    local BUS_NAME="xyz.openbmc_project.State.Chassis$1"
88    local OBJ_PATH="/xyz/openbmc_project/state/chassis$1"
89    local DBUS_PROPERTIES_INTF_NAME="org.freedesktop.DBus.Properties"
90    local INTF_NAME="xyz.openbmc_project.State.Chassis"
91    local PROPERTY_NAME="CurrentPowerState"
92    local PROPERTY_VAL="xyz.openbmc_project.State.Chassis.PowerState.$2"
93    busctl call "$BUS_NAME" "$OBJ_PATH" "$DBUS_PROPERTIES_INTF_NAME" Set ssv "$INTF_NAME" "$PROPERTY_NAME" s "$PROPERTY_VAL"
94}
95
96update_sled_led_state()
97{
98    local HOST_ID=$1
99    local HOST_STATE=$2
100    case "$HOST_STATE" in
101        ON|SLEEP)
102            systemctl start obmc-led-group-start@sled"$i"_good.service
103            ;;
104        AC_OFF|OFF)
105            systemctl start obmc-led-group-stop@sled"$i"_good.service
106            ;;
107        *)
108            ;;
109    esac
110}
111
112check_host_state()
113{
114    if ! PORT_ST_VAL=$("$MDIO_TOOL" "$SWITCH_MDIO_BUS" phy "${PORT_NUM_MAP[$1]}" 0x00); then
115        # failed to get port status via mdio
116        echo "UNKNOW"
117        return 1
118    fi
119
120    if [ $((PORT_ST_VAL&16#0800)) -eq $((16#0000)) ]; then
121        echo "OFF"
122    elif [ $((PORT_ST_VAL&16#0A00)) -eq $((16#0A00)) ]; then
123        echo "ON"
124    elif [ $((PORT_ST_VAL&16#0900)) -eq $((16#0900)) ]; then
125        echo "SLEEP"
126    else
127        echo "UNKNOW"
128    fi
129    return 0
130}
131
132while true
133do
134    for i in {1..6}
135    do
136        HOST_STATE=""
137        if ! is_sled_present "$i"; then
138            HOST_STATE="NOT_PRESENT"
139        elif ! is_host_ac_on "$i"; then
140            HOST_STATE="AC_OFF"
141        else
142            HOST_STATE=$(check_host_state "$i")
143        fi
144
145        if [ "$HOST_STATE" = "${HOST_PREVIOUS_STATE[$i]}" ]; then
146            HOST_STATE_CHANGE_CHECK[i]="$HOST_STATE_CHANGE_CHECH_CNT"
147        elif [ "${HOST_STATE_CHANGE_CHECK[$i]}" -gt "0" ]; then
148            echo "SLED$i: detected state changed (previous:${HOST_PREVIOUS_STATE[$i]}, current:$HOST_STATE), check count: ${HOST_STATE_CHANGE_CHECK[$i]}"
149            HOST_STATE_CHANGE_CHECK[i]=$((HOST_STATE_CHANGE_CHECK[i]-1))
150        else
151            echo "SLED$i: detected state changed, update host state to $HOST_STATE"
152            update_host_acpi_power_state "$i" "${HOST_ACPI_ST_MAP[$HOST_STATE]}"
153            update_host_state "$i" "${HOST_STATE_MAP[$HOST_STATE]}"
154            update_chassis_power_state "$i" "${CHASSIS_PWR_STATE_MAP[$HOST_STATE]}"
155            update_sled_led_state "$i" "$HOST_STATE"
156            HOST_STATE_CHANGE_CHECK[i]="$HOST_STATE_CHANGE_CHECH_CNT"
157            HOST_PREVIOUS_STATE[i]="$HOST_STATE"
158        fi
159    done
160    sleep 1
161done