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Added check for Infiniband PCIe link width and speed. #90

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Added check for Infiniband PCIe link width and speed. #90

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23 changes: 19 additions & 4 deletions scripts/lbnl_hw.nhc
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Original file line number Diff line number Diff line change
Expand Up @@ -108,11 +108,18 @@ function nhc_hw_gather_data() {
HW_IB_RATE[$INDEX]=${FIELD[0]}
IFS=' /'
arr=( $PORT )
HW_IB_DEVICE[$INDEX]="${arr[4]}"
HW_IB_DEV[$INDEX]="${arr[4]}:${arr[6]}"
read LINE < /sys/class/infiniband/${HW_IB_DEVICE[$INDEX]}/device/current_link_speed
FIELD=( $LINE )
HW_IB_LINK_SPEED[$INDEX]=${FIELD[0]}
read LINE < /sys/class/infiniband/${HW_IB_DEVICE[$INDEX]}/device/current_link_width
FIELD=( $LINE )
HW_IB_LINK_WIDTH[$INDEX]=${FIELD[0]}
IFS=$' \t\n'
dbg "Found ${HW_IB_STATE[$INDEX]} (${HW_IB_PHYS_STATE[$INDEX]}) IB Port ${HW_IB_DEV[$INDEX]} (${HW_IB_RATE[$INDEX]} Gb/sec)"
dbg "Found ${HW_IB_STATE[$INDEX]} (${HW_IB_PHYS_STATE[$INDEX]}) IB Port ${HW_IB_DEV[$INDEX]} (${HW_IB_RATE[$INDEX]} Gb/sec) with PCI-e link ${HW_IB_LINK_WIDTH[$INDEX]}x ${HW_IB_LINK_SPEED[$INDEX]} GT/s"
done
export HW_IB_STATE HW_IB_PHYS_STATE HW_IB_RATE
export HW_IB_STATE HW_IB_PHYS_STATE HW_IB_RATE HW_IB_LINK_SPEED HW_IB_LINK_WIDTH

# Check if user-leved mad driver loaded and IB diag tools will succeed to run
if [[ -f /sys/class/infiniband_mad/abi_version ]]; then
Expand Down Expand Up @@ -329,6 +336,8 @@ function check_hw_ib() {
local PHYS_STATE="LinkUp"
local RATE="$1"
local DEV="$2"
local LINK_WIDTH="$3"
local LINK_SPEED="$4"
local i

if [[ ${#HW_IB_STATE[*]} -eq 0 ]]; then
Expand All @@ -342,7 +351,7 @@ function check_hw_ib() {

for ((i=0; i < ${#HW_IB_STATE[*]}; i++)); do
if [[ "${HW_IB_STATE[$i]}" == "$STATE" && "${HW_IB_PHYS_STATE[$i]}" == "$PHYS_STATE" ]]; then
if [[ (-z "$DEV" || "${HW_IB_DEV[$i]}" == "$DEV") && (-z "$RATE" || "${HW_IB_RATE[$i]}" == "$RATE") ]]; then
if [[ (-z "$DEV" || "${HW_IB_DEV[$i]}" == "$DEV") && (-z "$RATE" || "${HW_IB_RATE[$i]}" == "$RATE") && (-z "$LINK_WIDTH" || "${HW_IB_LINK_WIDTH[$i]}" == "$LINK_WIDTH") && (-z "$LINK_SPEED" || "${HW_IB_LINK_SPEED[$i]}" == "$LINK_SPEED") ]]; then
return 0
fi
fi
Expand All @@ -354,8 +363,14 @@ function check_hw_ib() {
if [[ -n "$RATE" ]]; then
RATE=" $RATE Gb/sec"
fi
if [[ -n "$LINK_WIDTH" ]]; then
LINK_WIDTH="${LINK_WIDTH}x"
fi
if [[ -n "$LINK_SPEED" ]]; then
LINK_SPEED="${LINK_SPEED} GT/s"
fi

die 1 "$FUNCNAME: No IB port$DEV is $STATE ($PHYS_STATE$RATE)."
die 1 "$FUNCNAME: No IB port$DEV is $STATE ($PHYS_STATE$RATE) with PCI-e link $LINK_WIDTH $LINK_SPEED."
return 1
}

Expand Down