xref: /openbmc/openbmc/meta-facebook/meta-yosemite4/recipes-phosphor/state/phosphor-state-manager/rescan-cxl-eid (revision c012e0a3659182e0fd5c026b79041acf128bb50c)

#!/bin/bash

# Function to check if an EID is already set
check_eid() {
    local eid="$1"
    busctl get-property au.com.codeconstruct.MCTP1 /au/com/codeconstruct/mctp1/networks/1/endpoints/"$eid" xyz.openbmc_project.MCTP.Endpoint EID >/dev/null 2>&1
    return $?
}

# Function to set up EID for CXL1 or CXL2
setup_eid() {
    local slot_number="$1"
    local cxl_type="$2"
    busctl call au.com.codeconstruct.MCTP1 /au/com/codeconstruct/mctp1/interfaces/mctpi2c${busnum} au.com.codeconstruct.MCTP.BusOwner1 SetupEndpointByConfigPath s "/xyz/openbmc_project/inventory/system/board/Yosemite_4_Wailua_Falls_Slot_${slot_number}/${cxl_type}" >/dev/null 2>&1
    return $?
}

# Function to check readiness and setup EID
check_and_setup_eid() {
    local eid="$1"
    local ready_flag="$2"
    local slot_number="$3"
    local cxl_type="$4"

    if [ "$ready_flag" == "01" ]; then
        echo "${cxl_type} EID ${eid} is ready; attempting setup."
        if setup_eid "$slot_number" "$cxl_type"; then
            echo "${cxl_type} EID $eid setup was successful."
        else
            echo "${cxl_type} EID $eid setup failed."
        fi
    else
        echo "${cxl_type} EID $eid is not ready for setup."
    fi
}

# Output message based on the final status of CXL EIDs, called at the end
output_final_status() {
    local cxl1_status="$1"
    local cxl2_status="$2"
    local slot="$3"

    if [ "$cxl1_status" == "yes" ] && [ "$cxl2_status" == "yes" ]; then
        echo "Both CXL EIDs established successfully for slot $slot."
        exit 0
    elif [ "$cxl1_status" == "no" ] && [ "$cxl2_status" == "no" ]; then
        echo "Failed to establish both CXL1 and CXL2 EIDs for slot $slot."
    elif [ "$cxl1_status" == "no" ]; then
        echo "Failed to establish CXL1 EID for slot $slot."
    else
        echo "Failed to establish CXL2 EID for slot $slot."
    fi
    exit 1
}

# Main script execution starts here
wf_eid=$(($1 * 10 + 2))
busnum=$(($1 - 1))
cxl1_eid=$(($1 * 10 + 4))
cxl2_eid=$(($1 * 10 + 5))

sleep 30

# Initial EID check for 1 minute
cxl1_status="no"
cxl2_status="no"

for _ in $(seq 1 12); do
    if [ "$cxl1_status" == "no" ] && check_eid "$cxl1_eid"; then
        cxl1_status="yes"
        echo "CXL1 EID $cxl1_eid found successfully."
    fi

    if [ "$cxl2_status" == "no" ] && check_eid "$cxl2_eid"; then
        cxl2_status="yes"
        echo "CXL2 EID $cxl2_eid found successfully."
    fi

    if [ "$cxl1_status" == "yes" ] && [ "$cxl2_status" == "yes" ]; then
        # Both EIDs found, no need to retry
        output_final_status "yes" "yes" "$1"
    fi

    sleep 5
done


# Retry to establish CXL EID connections, max 10 minutes
for _ in $(seq 1 40); do
    output=$(pldmtool raw -m "$wf_eid" -d 0x80 0x02 0x3A 0x04 0x01)
    rx_line=$(echo "$output" | grep "Rx:")
    rx_data=$(echo "$rx_line" | awk '{print $4,$5,$6,$7,$8,$9,$10,$11,$12,$13}')
    echo "Slot $1 PLDM tool raw command received data: $rx_data"

    cxl1_ready=$(echo "$rx_data" | awk '{print substr($7,1,2)}')
    cxl2_ready=$(echo "$rx_data" | awk '{print substr($10,1,2)}')

    [ "$cxl1_status" == "no" ] && check_and_setup_eid "$cxl1_eid" "$cxl1_ready" "$1" "CXL1"
    [ "$cxl2_status" == "no" ] && check_and_setup_eid "$cxl2_eid" "$cxl2_ready" "$1" "CXL2"

    if check_eid "$cxl1_eid" && check_eid "$cxl2_eid"; then
        output_final_status "yes" "yes" "$1"
    fi

    sleep 15
done

# Final output if retries fail
output_final_status "$(check_eid "$cxl1_eid" && echo "yes" || echo "no")" "$(check_eid "$cxl2_eid" && echo "yes" || echo "no")" "$1"