#!/usr/bin/ksh

PROGNAME=${0##*/}

HMCUSER="hscroot"       # User on HMC with super admin privilege
HMC="p5hmc"             # TCP/IP host name of HMC

DEV="$1"                # Device to move
DHOST="$2"              # Destination host

function Die
{
  print -u2 "$PROGNAME: $*"
  exit 1
}

function GetManagedSystem
{
  typeset LPAR="$*" TESTLPAR= TSYSTEM=
  integer i
  ssh $HMCUSER@$HMC lssyscfg -r sys -F name |
  while read TSYSTEM
  do
    SYSTEM[${#SYSTEM[*]}]="$TSYSTEM"
  done
  (( i = 0 ))
  while (( i < ${#SYSTEM[*]} )); do
    ssh $HMCUSER@$HMC lssyscfg -r lpar -m \"${SYSTEM[i]}\" -F "lpar_id name" |
    while read TESTLPAR
    do
      if [[ $TESTLPAR = $LPAR ]]
      then
        echo "${SYSTEM[i]}"
        return
      fi
    done
    (( i += 1 ))
  done
  echo ""
}

LPAR=$(uname -L)        # ID and name of this partition
LPAR_ID=${LPAR% *}      # Extract LPAR ID

# Test ssh connectivity to HMC
[[ $(ssh $HMCUSER@$HMC whoami 2>/dev/null) = $HMCUSER ]] || Die "ssh to HMC $HMC not functional"

# Test ssh connectivity to destination host
[[ $(ssh $DHOST id -un 2>/dev/null) = $(id -un) ]] || Die "ssh to $DHOST not functional"

# Get name of managed system to which this LPAR belongs
SYSTEM="$(GetManagedSystem "$LPAR")"
[[ $SYSTEM != "" ]] || Die "not able to determine managed system"

# Get LPAR ID and name of destination host
DLPAR=$(ssh $DHOST uname -L)
[[ $DLPAR != "" ]] || Die "$DHOST not an LPAR"

# Extract LPAR ID of destination
DLPAR_ID=${DLPAR%\ *}

# Verify that destination DLPAR is on the same managed system
[[ $(GetManagedSystem "$DLPAR") = "$SYSTEM" ]] || Die "$DHOST not in the same managed system"

# Find the PCI bus device to which this device connects.
while [[ $DEV != pci* ]]; do
  SLOT=$(lscfg -l $DEV | awk '{print $2}')
  DEV=$(lsdev -C -F parent -l $DEV)
done
set -x

# Get the drc_index for the slot we want to move
DRC_INDEX=$(ssh $HMCUSER@$HMC lshwres -r io --rsubtype slot -m \"$SYSTEM\" -F dr
c_name:drc_index | awk -F: '$1 == "'$SLOT'" {print $2}')

if /usr/sbin/rmdev -R -l $DEV
then
  if ssh $HMCUSER@$HMC chhwres -r io -m \"$SYSTEM\" -o m --id $LPAR_ID --tid $DL
PAR_ID -l $DRC_INDEX
  then
    ssh $DHOST /usr/sbin/cfgmgr -s
  fi
fi

movedevice.sh rmt0 dest_lpar_name