meta-bletchley: power-ctrl: action handler for each host state

1. add action handler for each host state, avoid action execute in the
wrong host state.
2. add checking for Host in sleep mode
3. add last action record at /tmp/sledX-last-action for identify DFU
and Recovery mode.

```
if (last_action == dfu) && (host_st == Off)
  host_st = DFU

if (last_action == recovery) && (host_st == On)
  host_st = Recovery
```

Change-Id: I4c9c218fbe3f887c8bfe5cdcb64600261d67e30d
Signed-off-by: Potin Lai <potin.lai@quantatw.com>

1 files changed, 326 insertions, 118 deletions

diff --git a/meta-facebook/meta-bletchley/recipes-bletchley/motor-ctrl/files/power-ctrl b/meta-facebook/meta-bletchley/recipes-bletchley/motor-ctrl/files/power-ctrl
index 9788d44afa..def4689790 100755
--- a/meta-facebook/meta-bletchley/recipes-bletchley/motor-ctrl/files/power-ctrl
+++ b/meta-facebook/meta-bletchley/recipes-bletchley/motor-ctrl/files/power-ctrl
@@ -8,6 +8,7 @@ export PATH=$PATH:/usr/sbin:/usr/libexec
 
 DELAY_POWER_ON="0.5"
 DELAY_POWER_OFF="5"
+DELAY_POWER_RECOVERY_MODE="10"
 POWER_BTN_TIMEOUT_CNT=60
 
 REV_EVT="EVT"
@@ -20,10 +21,44 @@ DBUS_HOST_ST_OFF="xyz.openbmc_project.State.Host.HostState.Off"
 HOST_ST_UNKNOW="Unknow"
 HOST_ST_ON="On"
 HOST_ST_OFF="Off"
+HOST_ST_SLEEP="Sleep"
+HOST_ST_DFU="DFU"
+HOST_ST_RECOVERY="Recovery"
 HOST_AC_ON="AC On"
 HOST_AC_OFF="AC Off"
 
-function get_board_rev() {
+ACTION_ON="on"
+ACTION_OFF="off"
+ACTION_DFU="dfu"
+ACTION_RECOVERY="recovery"
+ACTION_AC_ON="ac-on"
+ACTION_AC_OFF="ac-off"
+ACTION_STATUS="status"
+
+VALID_SLED_ACTIONS="
+    $ACTION_ON
+    $ACTION_OFF
+    $ACTION_AC_ON
+    $ACTION_AC_OFF
+    $ACTION_STATUS
+    $ACTION_DFU
+    $ACTION_RECOVERY
+"
+
+function is_valid_sled_action()
+{
+    local ACTION=$1
+    for i in $VALID_SLED_ACTIONS
+    do
+        if [ "$i" = "$ACTION" ]; then
+            return 0
+        fi
+    done
+    return 1
+}
+
+function get_board_rev()
+{
     local rev_id0
     local rev_id1
     local rev_id2
@@ -51,7 +86,8 @@ function get_board_rev() {
 }
 
 #Switch pull low while it be touched
-function wait_for_switch() {
+function wait_for_switch()
+{
     TARGET_PIN=$1
     TARGET_SWITCH=1
     TIME_CNT=0
@@ -66,7 +102,8 @@ function wait_for_switch() {
     done
 }
 
-function trigger_power_button() {
+function trigger_power_button()
+{
     local sled_num=$1
     local delay_time=$2
 
@@ -98,7 +135,8 @@ function trigger_power_button() {
     fi
 }
 
-function release_power_button() {
+function release_power_button()
+{
     local sled_num=$1
     GPIO_DETECT_PIN1="SLED${sled_num}_MS_DETECT1"
 
@@ -119,7 +157,8 @@ function release_power_button() {
     return 1
 }
 
-function press_power_button() {
+function press_power_button()
+{
     local sled_num=$1
 
     GPIO_DETECT_PIN0="SLED${sled_num}_MS_DETECT0"
@@ -139,7 +178,8 @@ function press_power_button() {
 }
 
 #Get i2c bus number for sledN
-function get_bus_num() {
+function get_bus_num()
+{
     SLED_NUM=$1
     local bus=0
     #Mapping Sled number 1~6 to i2c bus number 0~5
@@ -185,7 +225,8 @@ function get_gpio()
     return 0
 }
 
-function get_ac_status(){
+function get_ac_status()
+{
     i2c_bus=$(get_bus_num "$1")
     p1_output_reg=$(i2cget -f -y "$i2c_bus" 0x76 0x03)
     p1_config_reg=$(i2cget -f -y "$i2c_bus" 0x76 0x07)
@@ -224,8 +265,8 @@ function get_host_status_dbus()
 
 function get_host_status_mdio()
 {
-    SLED_NUM=$1
-    MDIO_BUS=0
+    local SLED_NUM=$1
+    local MDIO_BUS=0
 
     declare -a PORT_MAP=(0 3 2 1 7 6 5)
 
@@ -234,17 +275,41 @@ function get_host_status_mdio()
         return 1
     fi
 
-    CHECK_CNT=0
-    MDIO_ERR_CNT=0
-    CUR_HOST_ST=$HOST_ST_UNKNOW
+    local CHECK_CNT=0
+    local MDIO_ERR_CNT=0
+    local CUR_HOST_ST=$HOST_ST_UNKNOW
+    local SLED_LAST_ACTION
+
+    if [ -f /tmp/sled"${SLED_NUM}"-last-action ]; then
+        SLED_LAST_ACTION=$(cat /tmp/sled"${SLED_NUM}"-last-action)
+    fi
 
     while true
     do
         if POST_ST_VAL=$(mdio-util c22 r $MDIO_BUS "${PORT_MAP[SLED_NUM]}" 0); then
-            if [ $((POST_ST_VAL&16#0800)) -eq $((16#0800)) ]; then
+            if [ $((POST_ST_VAL&16#0800)) -eq $((16#0000)) ]; then
+                case $SLED_LAST_ACTION in
+                    "$ACTION_DFU")
+                        TMP_HOST_ST="$HOST_ST_DFU"
+                        ;;
+                    *)
+                        TMP_HOST_ST="$HOST_ST_OFF"
+                        ;;
+                esac
+            elif [ $((POST_ST_VAL&16#0A00)) -eq $((16#0A00)) ]; then
                 TMP_HOST_ST="$HOST_ST_ON"
+                case $SLED_LAST_ACTION in
+                    "$ACTION_RECOVERY")
+                        TMP_HOST_ST="$HOST_ST_RECOVERY"
+                        ;;
+                    *)
+                        TMP_HOST_ST="$HOST_ST_ON"
+                        ;;
+                esac
+            elif [ $((POST_ST_VAL&16#0900)) -eq $((16#0900)) ]; then
+                TMP_HOST_ST="$HOST_ST_SLEEP"
             else
-                TMP_HOST_ST="$HOST_ST_OFF"
+                TMP_HOST_ST="$HOST_ST_UNKNOW"
             fi
 
             if [ "$CUR_HOST_ST" == "$TMP_HOST_ST" ]; then
@@ -273,19 +338,230 @@ function get_host_status_mdio()
 function get_host_status()
 {
     local sled_num=$1
-    local board_rev
 
-    board_rev=$(get_board_rev)
+    if [ "$(get_ac_status "$SLED_NUM")" == "$HOST_AC_OFF" ];then
+        echo "$HOST_AC_OFF"
+        return 0
+    fi
 
-    if [ "$board_rev" = "$REV_EVT" ]; then
+    if [ "$(get_board_rev)" = "$REV_EVT" ]; then
         get_host_status_dbus "$sled_num"
     else
         get_host_status_mdio "$sled_num"
     fi
-
     return $?
 }
 
+function do_action_ac_on()
+{
+    local SLED_NUM=$1
+    echo "sled${SLED_NUM}: turn on AC"
+    set_gpio "power-host${SLED_NUM}" 1
+    echo "$ACTION_AC_ON" > "/tmp/sled${SLED_NUM}-last-action"
+}
+
+function do_action_ac_off()
+{
+    local SLED_NUM=$1
+    echo "sled${SLED_NUM}: turn off AC"
+    set_gpio "power-host${SLED_NUM}" 0
+    echo "$ACTION_AC_OFF" > "/tmp/sled${SLED_NUM}-last-action"
+}
+
+function do_action_on()
+{
+    local SLED_NUM=$1
+    echo "sled${SLED_NUM}: power on host"
+    trigger_power_button  "$SLED_NUM"  "$DELAY_POWER_ON"
+    echo "$ACTION_ON" > "/tmp/sled${SLED_NUM}-last-action"
+}
+
+function do_action_off()
+{
+    local SLED_NUM=$1
+    echo "sled${SLED_NUM}: power off host"
+    trigger_power_button  "$SLED_NUM"  "$DELAY_POWER_OFF"
+    echo "$ACTION_OFF" > "/tmp/sled${SLED_NUM}-last-action"
+}
+
+function do_action_recovery()
+{
+    local SLED_NUM=$1
+    echo "sled${SLED_NUM}: trigger host recovery mode"
+    trigger_power_button  "$SLED_NUM"  "$DELAY_POWER_RECOVERY_MODE"
+    echo "$ACTION_RECOVERY" > "/tmp/sled${SLED_NUM}-last-action"
+}
+
+function do_action_dfu()
+{
+    local SLED_NUM=$1
+    echo "sled${SLED_NUM}: trigger host dfu mode"
+
+    # turn ac off, and hold for 25 seconds
+    do_action_ac_off "$SLED_NUM"
+    sleep 25
+
+    # press power button
+    echo "SLED$SLED_NUM: pressing power button"
+    if ! press_power_button "$SLED_NUM"; then
+        echo "SLED$SLED_NUM: press power button failed"
+        echo "SLED$SLED_NUM: releasing power button"
+        release_power_button "$SLED_NUM"
+        exit 1
+    fi
+    sleep 1
+
+    # turn ac on
+    echo "SLED$SLED_NUM: turn ac-on"
+    do_action_ac_on "$SLED_NUM"
+    sleep 3
+
+    # release power button
+    echo "SLED$SLED_NUM: releasing host power button"
+    if ! release_power_button "$SLED_NUM"; then
+        echo "SLED$SLED_NUM: release power button failed"
+        exit 1
+    fi
+    echo "$ACTION_DFU" > "/tmp/sled${SLED_NUM}-last-action"
+}
+
+function host_state_on_action_handler()
+{
+    local SLED_NUM=$1
+    local ACTION=$2
+
+    case $ACTION in
+        "$ACTION_OFF")
+            do_action_off "$SLED_NUM"
+            ;;
+        "$ACTION_AC_OFF")
+            do_action_ac_off "$SLED_NUM"
+            ;;
+        *)
+            echo "Invalid action ($ACTION) for current host state (On)"
+            return 1
+            ;;
+    esac
+}
+
+function host_state_sleep_action_handler()
+{
+    local SLED_NUM=$1
+    local ACTION=$2
+
+    case $ACTION in
+        "$ACTION_ON")
+            do_action_on "$SLED_NUM"
+            ;;
+        "$ACTION_OFF")
+            do_action_off "$SLED_NUM"
+            ;;
+        "$ACTION_AC_OFF")
+            do_action_ac_off "$SLED_NUM"
+            ;;
+        *)
+            echo "Invalid action ($ACTION) for current host state (Sleep)"
+            return 1
+            ;;
+    esac
+}
+
+function host_state_off_action_handler()
+{
+    local SLED_NUM=$1
+    local ACTION=$2
+
+    case $ACTION in
+        "$ACTION_ON")
+            do_action_on "$SLED_NUM"
+            ;;
+        "$ACTION_RECOVERY")
+            do_action_recovery "$SLED_NUM"
+            ;;
+        "$ACTION_AC_OFF")
+            do_action_ac_off "$SLED_NUM"
+            ;;
+        *)
+            echo "Invalid action ($ACTION) for current host state (Off)"
+            return 1
+            ;;
+    esac
+}
+
+function host_state_ac_off_action_handler()
+{
+    local SLED_NUM=$1
+    local ACTION=$2
+
+    case $ACTION in
+        "$ACTION_AC_ON")
+            do_action_ac_on "$SLED_NUM"
+            ;;
+        "$ACTION_DFU")
+            do_action_dfu "$SLED_NUM"
+            ;;
+        "$ACTION_AC_OFF")
+            echo "sled${SLED_NUM}: already ac off"
+            return 1
+            ;;
+        *)
+            echo "Invalid action ($ACTION) for current host state (AC Off)"
+            return 1
+            ;;
+    esac
+}
+
+function host_state_ac_on_action_handler()
+{
+    local SLED_NUM=$1
+    local ACTION=$2
+
+    case $ACTION in
+        "$ACTION_AC_OFF")
+            do_action_ac_off "$SLED_NUM"
+            ;;
+        *)
+            echo "sled${SLED_NUM}: already ac on"
+            return 1
+            ;;
+    esac
+}
+
+function host_state_recovery_action_handler()
+{
+    local SLED_NUM=$1
+    local ACTION=$2
+
+    case $ACTION in
+        "$ACTION_OFF")
+            do_action_off "$SLED_NUM"
+            ;;
+        "$ACTION_AC_OFF")
+            do_action_ac_off "$SLED_NUM"
+            ;;
+        *)
+            echo "Invalid action ($ACTION) for current host state (Recovery)"
+            return 1
+            ;;
+    esac
+}
+
+function host_state_dfu_action_handler()
+{
+    local SLED_NUM=$1
+    local ACTION=$2
+
+    case $ACTION in
+        "$ACTION_AC_OFF")
+            do_action_ac_off "$SLED_NUM"
+            ;;
+        *)
+            echo "Invalid action ($ACTION) for current host state (DFU)"
+            return 1
+            ;;
+    esac
+}
+
 function create_dev_mem()
 {
     CHECK_CNT=0
@@ -309,10 +585,11 @@ function create_dev_mem()
 }
 
 function show_usage(){
-    echo "Usage: power-ctrl [sled1 | sled2 | sled3 | sled4 | sled5 | sled6]  [on off ac-on ac-off status dfu recovery]"
+    echo "Usage: power-ctrl [sled1 | sled2 | sled3 | sled4 | sled5 | sled6]  [$VALID_SLED_ACTIONS]"
     echo "       power-ctrl chassis-cycle"
 }
 
+
 if [ $# -eq 1 ]; then
     if [ "$1" = "chassis-cycle" ];then
         echo "chassis cycle...."
@@ -346,106 +623,37 @@ SLED_PRESENT=$(get_gpio "presence-sled${SLED_NUM}")
 if [ "$SLED_PRESENT" != 0 ];then
     echo "${SLED} is not present!"
     exit 1
+elif ! is_valid_sled_action "$ACTION"; then
+    echo "Unknown action: $ACTION"
+    show_usage
+    exit 1
 fi
 
-if [[ "$ACTION" == "on" ]]; then
-    if [ "$(get_ac_status "$SLED_NUM")" == "$HOST_AC_ON" ];then
-        host_power_st=$(get_host_status "$SLED_NUM")
-        if [ "$host_power_st" == "$HOST_ST_ON" ]; then
-            echo "${SLED} is already On"
-        elif [ "$host_power_st" == "$HOST_ST_OFF" ]; then
-            echo "Power on ${SLED}"
-            trigger_power_button  "$SLED_NUM"  "$DELAY_POWER_ON"
-        else
-            echo "${SLED} power state is $host_power_st"
-            exit 1
-        fi
-    else
-        echo "${SLED} is ac-off, please turn on ac before power on"
-        exit 1
-    fi
-elif [[ "$ACTION" == "off" ]];then
-    if [ "$(get_ac_status "$SLED_NUM")" == "$HOST_AC_ON" ];then
-        host_power_st=$(get_host_status "$SLED_NUM")
-        if [ "$host_power_st" == "$HOST_ST_ON" ]; then
-            echo "Power off ${SLED}"
-            trigger_power_button  "$SLED_NUM"  "$DELAY_POWER_OFF"
-        elif [ "$host_power_st" == "$HOST_ST_OFF" ]; then
-            echo "${SLED} is already Off"
-        else
-            echo "${SLED} power state is $host_power_st"
-            exit 1
-        fi
-    else
-        echo "${SLED} is already ac-off"
-        exit 1
-    fi
-elif [[ "$ACTION" == "status" ]];then
-    AC_ST=$(get_ac_status "$SLED_NUM")
-    if [ "$AC_ST" == "$HOST_AC_ON" ]; then
-        # check host power status if AC is on
-        get_host_status "$SLED_NUM" || exit 1
-    else
-        # AC off
-        echo "$HOST_AC_OFF"
-    fi
-elif [[ "$ACTION" == "ac-on" ]];then
-    set_gpio "power-host${SLED_NUM}" 1
-elif [[ "$ACTION" == "ac-off" ]];then
-    set_gpio "power-host${SLED_NUM}" 0
-elif [[ "$ACTION" == "dfu" ]]; then
-    echo "Set host$SLED_NUM DFU mode"
-
-    # turn ac off, and hold for 25 seconds
-    echo "SLED$SLED_NUM: turn ac-off"
-    set_gpio "power-host${SLED_NUM}" 0
-    sleep 25
-
-    # press power button
-    echo "SLED$SLED_NUM: pressing power button"
-    if ! press_power_button "$SLED_NUM"; then
-        echo "SLED$SLED_NUM: press power button failed"
-        echo "SLED$SLED_NUM: releasing power button"
-        release_power_button "$SLED_NUM"
-        exit 1
-    fi
-    sleep 1
-
-    # turn ac on
-    echo "SLED$SLED_NUM: turn ac-on"
-    set_gpio "power-host${SLED_NUM}" 1
-    sleep 3
-
-    # release power button
-    echo "SLED$SLED_NUM: releasing host power button"
-    if ! release_power_button "$SLED_NUM"; then
-        echo "SLED$SLED_NUM: release power button failed"
-        exit 1
-    fi
-elif [[ "$ACTION" == "recovery" ]]; then
-    if [ "$(get_host_status "$SLED_NUM")" != "$HOST_ST_OFF" ]; then
-        echo "Please turn off host before trigger recovery mode"
-        exit 1
-    fi
-    echo "Set host$SLED_NUM Recovery mode"
-
-    # press power button
-    echo "SLED$SLED_NUM: pressing power button"
-    if ! press_power_button "$SLED_NUM"; then
-        echo "SLED$SLED_NUM: press power button failed"
-        echo "SLED$SLED_NUM: releasing power button"
-        release_power_button "$SLED_NUM"
-        exit 1
-    fi
-    sleep 10
-
-    # release power button
-    echo "SLED$SLED_NUM: releasing host power button"
-    if ! release_power_button "$SLED_NUM"; then
-        echo "SLED$SLED_NUM: release power button failed"
-        exit 1
-    fi
+HOST_CURR_STATUS=$(get_host_status "$SLED_NUM")
+if [ "$ACTION" = "$ACTION_STATUS" ];then
+    echo "$HOST_CURR_STATUS"
 else
-    echo "Unknown action: [ ${ACTION} ]"
-    show_usage
+    case $HOST_CURR_STATUS in
+        "$HOST_AC_OFF")
+            host_state_ac_off_action_handler "$SLED_NUM" "$ACTION"
+            ;;
+        "$HOST_AC_ON")
+            host_state_ac_on_action_handler "$SLED_NUM" "$ACTION"
+            ;;
+        "$HOST_ST_OFF")
+            host_state_off_action_handler "$SLED_NUM" "$ACTION"
+            ;;
+        "$HOST_ST_ON")
+            host_state_on_action_handler "$SLED_NUM" "$ACTION"
+            ;;
+        "$HOST_ST_SLEEP")
+            host_state_sleep_action_handler "$SLED_NUM" "$ACTION"
+            ;;
+        "$HOST_ST_DFU")
+            host_state_dfu_action_handler "$SLED_NUM" "$ACTION"
+            ;;
+        "$HOST_ST_RECOVERY")
+            host_state_recovery_action_handler "$SLED_NUM" "$ACTION"
+            ;;
+    esac
 fi