bfb-install: Convert to flat BFB for runtime upgrade

This commit converts bundle BFB to flat BFB when doing
runtime upgrade. It could be used by both LFWP (Live
Firmware Path) or No-service-interruption Upgrade.

RM #4449636

Author: lsun100

scripts/bfb-install

@@ -644,12 +644,12 @@ if [ $? != 0 ]; then echo "Command line error" >&2; exit 1; fi
 eval set -- $options
 while [ "$1" != -- ]; do
   case $1 in
-    --bfb|-b) shift; bfb=$1 num_bfb=$((num_bfb + 1));;
+    --bfb|-b) shift; bfb=$(readlink -f $1) num_bfb=$((num_bfb + 1));;
     --config|-c) shift; cfg=$1 ;;
     --rootfs|-f) shift; rootfs=$1 ;;
     --help|-h) usage; exit 0 ;;
     --keep-log|-k) clear_on_read=0 ;;
-    --pldm|-p) shift; pldm=$1 ;;
+    --pldm|-p) shift; pldm=$(readlink -f $1) ;;
     --remote-mode|-m) shift; remote_mode=$1 ;;
     --rshim|-r) shift; rshim=$1 num_rshim=$((num_rshim + 1));;
     --reverse-nc|-R) reverse_nc=1 ;;
@@ -802,6 +802,12 @@ fi
 
 # Setup checks
 
+# Check BF chip version and adjust register offsets.
+apply_chip_settings
+
+# Check NIC mode and unbind mlx5_core driver in NIC mode.
+check_nic_mode
+
 # Check PLDM and convert it into BFB.
 if [ -n "${pldm}" ]; then
   if [ $mode == "remote" ] ; then
@@ -859,9 +865,40 @@ if [ -n "${pldm}" ]; then
 
   pldm=""
   bfb="${TMP_DIR}/pldm/pldm.bfb"
+elif [ ${runtime} -eq 1 ]; then
+  if [ ! -e "${bfb}" ]; then
+    echo "Error: ${bfb} not found."
+    exit 1
+  fi
+
+  # Convert bundle BFB to flat BFB if needed.
+  # This conversion is only supported on PCIe host.
+  is_bundle=$(mlx-mkbfb -d "${bfb}" | grep "In-memory filesystem")
+  if [ -n "${is_bundle}" -a -n "$pcie_bd" ]; then
+    echo "Convert $(basename "${bfb}") to flat format for runtime upgrade"
+    psid=$(flint -d "$pcie_bd".0 q | grep PSID | awk '{print $2}')
+    if [ -z "${psid}" ]; then
+      echo "Error: failed to get PSID."
+      exit 1
+    fi
+    mkdir ${TMP_DIR}/bfb
+    bfb-tool repack --bfb "${bfb}" --psid ${psid} \
+      --output-dir ${TMP_DIR}/bfb --output-format flat \
+      --output-bfb flat.bfb
+    bfb=$(basename "${bfb}")
+    bfb=${bfb%.*}
+    bfb_path=${TMP_DIR}/bfb/"${bfb}"/${psid}
+    bfb="${bfb_path}"/flat.bfb
+
+    # Replace config file if provided.
+    if [ -n "${cfg}" -a -e "${cfg}" ]; then
+      mlx-mkbfb --boot-args ${cfg} ${bfb} "${bfb_path}"/flat-cfg.bfb
+      bfb="${bfb_path}"/flat-cfg.bfb
+    fi
+  fi
 fi
 
-# Check if bfb file exists
+# Check again if bfb file exists
 if [ ! -e "${bfb}" ]; then
   echo "Error: ${bfb} not found."
   exit 1
@@ -952,12 +989,6 @@ if [ -z "${pv}" ]; then
   echo "Warn: 'pv' command not found. Continue without showing BFB progress."
 fi
 
-# Check BF chip version and adjust register offsets.
-apply_chip_settings
-
-# Check NIC mode and unbind mlx5_core driver in NIC mode.
-check_nic_mode
-
 if [ ${nic_mode} -eq 1 -a -n "${pcie_bd}" -a ${runtime} -eq 0 ]; then
   # Set BREADCRUMB.BIT32 to indicate NIC mode.
   breadcrumb1=$(${BF_REG} $(basename ${rshim_node}) ${RSH_BREADCRUMB1}.64 | awk '{print $3}')