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-rwxr-xr-xtools/testing/selftests/ntb/ntb_test.sh307
1 files changed, 232 insertions, 75 deletions
diff --git a/tools/testing/selftests/ntb/ntb_test.sh b/tools/testing/selftests/ntb/ntb_test.sh
index 5fc7ad359e21..08cbfbbc7029 100755
--- a/tools/testing/selftests/ntb/ntb_test.sh
+++ b/tools/testing/selftests/ntb/ntb_test.sh
@@ -18,7 +18,6 @@ LIST_DEVS=FALSE
DEBUGFS=${DEBUGFS-/sys/kernel/debug}
-DB_BITMASK=0x7FFF
PERF_RUN_ORDER=32
MAX_MW_SIZE=0
RUN_DMA_TESTS=
@@ -39,15 +38,17 @@ function show_help()
echo "be highly recommended."
echo
echo "Options:"
- echo " -b BITMASK doorbell clear bitmask for ntb_tool"
echo " -C don't cleanup ntb modules on exit"
- echo " -d run dma tests"
echo " -h show this help message"
echo " -l list available local and remote PCI ids"
echo " -r REMOTE_HOST specify the remote's hostname to connect"
- echo " to for the test (using ssh)"
- echo " -p NUM ntb_perf run order (default: $PERF_RUN_ORDER)"
- echo " -w max_mw_size maxmium memory window size"
+ echo " to for the test (using ssh)"
+ echo " -m MW_SIZE memory window size for ntb_tool"
+ echo " (default: $MW_SIZE)"
+ echo " -d run dma tests for ntb_perf"
+ echo " -p ORDER total data order for ntb_perf"
+ echo " (default: $PERF_RUN_ORDER)"
+ echo " -w MAX_MW_SIZE maxmium memory window size for ntb_perf"
echo
}
@@ -56,7 +57,6 @@ function parse_args()
OPTIND=0
while getopts "b:Cdhlm:r:p:w:" opt; do
case "$opt" in
- b) DB_BITMASK=${OPTARG} ;;
C) DONT_CLEANUP=1 ;;
d) RUN_DMA_TESTS=1 ;;
h) show_help; exit 0 ;;
@@ -87,7 +87,7 @@ set -e
function _modprobe()
{
- modprobe "$@"
+ modprobe "$@"
if [[ "$REMOTE_HOST" != "" ]]; then
ssh "$REMOTE_HOST" modprobe "$@"
@@ -127,15 +127,70 @@ function write_file()
fi
}
+function check_file()
+{
+ split_remote $1
+
+ if [[ "$REMOTE" != "" ]]; then
+ ssh "$REMOTE" "[[ -e ${VPATH} ]]"
+ else
+ [[ -e ${VPATH} ]]
+ fi
+}
+
+function subdirname()
+{
+ echo $(basename $(dirname $1)) 2> /dev/null
+}
+
+function find_pidx()
+{
+ PORT=$1
+ PPATH=$2
+
+ for ((i = 0; i < 64; i++)); do
+ PEER_DIR="$PPATH/peer$i"
+
+ check_file ${PEER_DIR} || break
+
+ PEER_PORT=$(read_file "${PEER_DIR}/port")
+ if [[ ${PORT} -eq $PEER_PORT ]]; then
+ echo $i
+ return 0
+ fi
+ done
+
+ return 1
+}
+
+function port_test()
+{
+ LOC=$1
+ REM=$2
+
+ echo "Running port tests on: $(basename $LOC) / $(basename $REM)"
+
+ LOCAL_PORT=$(read_file "$LOC/port")
+ REMOTE_PORT=$(read_file "$REM/port")
+
+ LOCAL_PIDX=$(find_pidx ${REMOTE_PORT} "$LOC")
+ REMOTE_PIDX=$(find_pidx ${LOCAL_PORT} "$REM")
+
+ echo "Local port ${LOCAL_PORT} with index ${REMOTE_PIDX} on remote host"
+ echo "Peer port ${REMOTE_PORT} with index ${LOCAL_PIDX} on local host"
+
+ echo " Passed"
+}
+
function link_test()
{
LOC=$1
REM=$2
EXP=0
- echo "Running link tests on: $(basename $LOC) / $(basename $REM)"
+ echo "Running link tests on: $(subdirname $LOC) / $(subdirname $REM)"
- if ! write_file "N" "$LOC/link" 2> /dev/null; then
+ if ! write_file "N" "$LOC/../link" 2> /dev/null; then
echo " Unsupported"
return
fi
@@ -143,12 +198,11 @@ function link_test()
write_file "N" "$LOC/link_event"
if [[ $(read_file "$REM/link") != "N" ]]; then
- echo "Expected remote link to be down in $REM/link" >&2
+ echo "Expected link to be down in $REM/link" >&2
exit -1
fi
- write_file "Y" "$LOC/link"
- write_file "Y" "$LOC/link_event"
+ write_file "Y" "$LOC/../link"
echo " Passed"
}
@@ -161,58 +215,136 @@ function doorbell_test()
echo "Running db tests on: $(basename $LOC) / $(basename $REM)"
- write_file "c $DB_BITMASK" "$REM/db"
+ DB_VALID_MASK=$(read_file "$LOC/db_valid_mask")
+
+ write_file "c $DB_VALID_MASK" "$REM/db"
- for ((i=1; i <= 8; i++)); do
- let DB=$(read_file "$REM/db") || true
- if [[ "$DB" != "$EXP" ]]; then
+ for ((i = 0; i < 64; i++)); do
+ DB=$(read_file "$REM/db")
+ if [[ "$DB" -ne "$EXP" ]]; then
echo "Doorbell doesn't match expected value $EXP " \
"in $REM/db" >&2
exit -1
fi
- let "MASK=1 << ($i-1)" || true
- let "EXP=$EXP | $MASK" || true
+ let "MASK = (1 << $i) & $DB_VALID_MASK" || true
+ let "EXP = $EXP | $MASK" || true
+
write_file "s $MASK" "$LOC/peer_db"
done
+ write_file "c $DB_VALID_MASK" "$REM/db_mask"
+ write_file $DB_VALID_MASK "$REM/db_event"
+ write_file "s $DB_VALID_MASK" "$REM/db_mask"
+
+ write_file "c $DB_VALID_MASK" "$REM/db"
+
echo " Passed"
}
-function read_spad()
+function get_files_count()
{
- VPATH=$1
- IDX=$2
+ NAME=$1
+ LOC=$2
+
+ split_remote $LOC
- ROW=($(read_file "$VPATH" | grep -e "^$IDX"))
- let VAL=${ROW[1]} || true
- echo $VAL
+ if [[ "$REMOTE" == "" ]]; then
+ echo $(ls -1 "$LOC"/${NAME}* 2>/dev/null | wc -l)
+ else
+ echo $(ssh "$REMOTE" "ls -1 \"$VPATH\"/${NAME}* | \
+ wc -l" 2> /dev/null)
+ fi
}
function scratchpad_test()
{
LOC=$1
REM=$2
- CNT=$(read_file "$LOC/spad" | wc -l)
- echo "Running spad tests on: $(basename $LOC) / $(basename $REM)"
+ echo "Running spad tests on: $(subdirname $LOC) / $(subdirname $REM)"
+
+ CNT=$(get_files_count "spad" "$LOC")
+
+ if [[ $CNT -eq 0 ]]; then
+ echo " Unsupported"
+ return
+ fi
for ((i = 0; i < $CNT; i++)); do
VAL=$RANDOM
- write_file "$i $VAL" "$LOC/peer_spad"
- RVAL=$(read_spad "$REM/spad" $i)
+ write_file "$VAL" "$LOC/spad$i"
+ RVAL=$(read_file "$REM/../spad$i")
- if [[ "$VAL" != "$RVAL" ]]; then
- echo "Scratchpad doesn't match expected value $VAL " \
- "in $REM/spad, got $RVAL" >&2
+ if [[ "$VAL" -ne "$RVAL" ]]; then
+ echo "Scratchpad $i value $RVAL doesn't match $VAL" >&2
exit -1
fi
+ done
+
+ echo " Passed"
+}
+
+function message_test()
+{
+ LOC=$1
+ REM=$2
+
+ echo "Running msg tests on: $(subdirname $LOC) / $(subdirname $REM)"
+
+ CNT=$(get_files_count "msg" "$LOC")
+ if [[ $CNT -eq 0 ]]; then
+ echo " Unsupported"
+ return
+ fi
+
+ MSG_OUTBITS_MASK=$(read_file "$LOC/../msg_inbits")
+ MSG_INBITS_MASK=$(read_file "$REM/../msg_inbits")
+
+ write_file "c $MSG_OUTBITS_MASK" "$LOC/../msg_sts"
+ write_file "c $MSG_INBITS_MASK" "$REM/../msg_sts"
+
+ for ((i = 0; i < $CNT; i++)); do
+ VAL=$RANDOM
+ write_file "$VAL" "$LOC/msg$i"
+ RVAL=$(read_file "$REM/../msg$i")
+
+ if [[ "$VAL" -ne "${RVAL%%<-*}" ]]; then
+ echo "Message $i value $RVAL doesn't match $VAL" >&2
+ exit -1
+ fi
done
echo " Passed"
}
+function get_number()
+{
+ KEY=$1
+
+ sed -n "s/^\(${KEY}\)[ \t]*\(0x[0-9a-fA-F]*\)\(\[p\]\)\?$/\2/p"
+}
+
+function mw_alloc()
+{
+ IDX=$1
+ LOC=$2
+ REM=$3
+
+ write_file $MW_SIZE "$LOC/mw_trans$IDX"
+
+ INB_MW=$(read_file "$LOC/mw_trans$IDX")
+ MW_ALIGNED_SIZE=$(echo "$INB_MW" | get_number "Window Size")
+ MW_DMA_ADDR=$(echo "$INB_MW" | get_number "DMA Address")
+
+ write_file "$MW_DMA_ADDR:$(($MW_ALIGNED_SIZE))" "$REM/peer_mw_trans$IDX"
+
+ if [[ $MW_SIZE -ne $MW_ALIGNED_SIZE ]]; then
+ echo "MW $IDX size aligned to $MW_ALIGNED_SIZE"
+ fi
+}
+
function write_mw()
{
split_remote $2
@@ -225,17 +357,15 @@ function write_mw()
fi
}
-function mw_test()
+function mw_check()
{
IDX=$1
LOC=$2
REM=$3
- echo "Running $IDX tests on: $(basename $LOC) / $(basename $REM)"
+ write_mw "$LOC/mw$IDX"
- write_mw "$LOC/$IDX"
-
- split_remote "$LOC/$IDX"
+ split_remote "$LOC/mw$IDX"
if [[ "$REMOTE" == "" ]]; then
A=$VPATH
else
@@ -243,7 +373,7 @@ function mw_test()
ssh "$REMOTE" cat "$VPATH" > "$A"
fi
- split_remote "$REM/peer_$IDX"
+ split_remote "$REM/peer_mw$IDX"
if [[ "$REMOTE" == "" ]]; then
B=$VPATH
else
@@ -251,7 +381,7 @@ function mw_test()
ssh "$REMOTE" cat "$VPATH" > "$B"
fi
- cmp -n $MW_SIZE "$A" "$B"
+ cmp -n $MW_ALIGNED_SIZE "$A" "$B"
if [[ $? != 0 ]]; then
echo "Memory window $MW did not match!" >&2
fi
@@ -263,8 +393,39 @@ function mw_test()
if [[ "$B" == "/tmp/*" ]]; then
rm "$B"
fi
+}
+
+function mw_free()
+{
+ IDX=$1
+ LOC=$2
+ REM=$3
+
+ write_file "$MW_DMA_ADDR:0" "$REM/peer_mw_trans$IDX"
+
+ write_file 0 "$LOC/mw_trans$IDX"
+}
+
+function mw_test()
+{
+ LOC=$1
+ REM=$2
+
+ CNT=$(get_files_count "mw_trans" "$LOC")
+
+ for ((i = 0; i < $CNT; i++)); do
+ echo "Running mw$i tests on: $(subdirname $LOC) / " \
+ "$(subdirname $REM)"
+
+ mw_alloc $i $LOC $REM
+
+ mw_check $i $LOC $REM
+
+ mw_free $i $LOC $REM
+
+ echo " Passed"
+ done
- echo " Passed"
}
function pingpong_test()
@@ -274,13 +435,13 @@ function pingpong_test()
echo "Running ping pong tests on: $(basename $LOC) / $(basename $REM)"
- LOC_START=$(read_file $LOC/count)
- REM_START=$(read_file $REM/count)
+ LOC_START=$(read_file "$LOC/count")
+ REM_START=$(read_file "$REM/count")
sleep 7
- LOC_END=$(read_file $LOC/count)
- REM_END=$(read_file $REM/count)
+ LOC_END=$(read_file "$LOC/count")
+ REM_END=$(read_file "$REM/count")
if [[ $LOC_START == $LOC_END ]] || [[ $REM_START == $REM_END ]]; then
echo "Ping pong counter not incrementing!" >&2
@@ -300,19 +461,19 @@ function perf_test()
WITH="without"
fi
- _modprobe ntb_perf run_order=$PERF_RUN_ORDER \
+ _modprobe ntb_perf total_order=$PERF_RUN_ORDER \
max_mw_size=$MAX_MW_SIZE use_dma=$USE_DMA
echo "Running local perf test $WITH DMA"
- write_file "" $LOCAL_PERF/run
+ write_file "$LOCAL_PIDX" "$LOCAL_PERF/run"
echo -n " "
- read_file $LOCAL_PERF/run
+ read_file "$LOCAL_PERF/run"
echo " Passed"
echo "Running remote perf test $WITH DMA"
- write_file "" $REMOTE_PERF/run
+ write_file "$REMOTE_PIDX" "$REMOTE_PERF/run"
echo -n " "
- read_file $REMOTE_PERF/run
+ read_file "$REMOTE_PERF/run"
echo " Passed"
_modprobe -r ntb_perf
@@ -320,48 +481,44 @@ function perf_test()
function ntb_tool_tests()
{
- LOCAL_TOOL=$DEBUGFS/ntb_tool/$LOCAL_DEV
- REMOTE_TOOL=$REMOTE_HOST:$DEBUGFS/ntb_tool/$REMOTE_DEV
+ LOCAL_TOOL="$DEBUGFS/ntb_tool/$LOCAL_DEV"
+ REMOTE_TOOL="$REMOTE_HOST:$DEBUGFS/ntb_tool/$REMOTE_DEV"
echo "Starting ntb_tool tests..."
_modprobe ntb_tool
- write_file Y $LOCAL_TOOL/link_event
- write_file Y $REMOTE_TOOL/link_event
+ port_test "$LOCAL_TOOL" "$REMOTE_TOOL"
- link_test $LOCAL_TOOL $REMOTE_TOOL
- link_test $REMOTE_TOOL $LOCAL_TOOL
+ LOCAL_PEER_TOOL="$LOCAL_TOOL/peer$LOCAL_PIDX"
+ REMOTE_PEER_TOOL="$REMOTE_TOOL/peer$REMOTE_PIDX"
+
+ link_test "$LOCAL_PEER_TOOL" "$REMOTE_PEER_TOOL"
+ link_test "$REMOTE_PEER_TOOL" "$LOCAL_PEER_TOOL"
#Ensure the link is up on both sides before continuing
- write_file Y $LOCAL_TOOL/link_event
- write_file Y $REMOTE_TOOL/link_event
+ write_file "Y" "$LOCAL_PEER_TOOL/link_event"
+ write_file "Y" "$REMOTE_PEER_TOOL/link_event"
- for PEER_TRANS in $(ls $LOCAL_TOOL/peer_trans*); do
- PT=$(basename $PEER_TRANS)
- write_file $MW_SIZE $LOCAL_TOOL/$PT
- write_file $MW_SIZE $REMOTE_TOOL/$PT
- done
+ doorbell_test "$LOCAL_TOOL" "$REMOTE_TOOL"
+ doorbell_test "$REMOTE_TOOL" "$LOCAL_TOOL"
- doorbell_test $LOCAL_TOOL $REMOTE_TOOL
- doorbell_test $REMOTE_TOOL $LOCAL_TOOL
- scratchpad_test $LOCAL_TOOL $REMOTE_TOOL
- scratchpad_test $REMOTE_TOOL $LOCAL_TOOL
+ scratchpad_test "$LOCAL_PEER_TOOL" "$REMOTE_PEER_TOOL"
+ scratchpad_test "$REMOTE_PEER_TOOL" "$LOCAL_PEER_TOOL"
- for MW in $(ls $LOCAL_TOOL/mw*); do
- MW=$(basename $MW)
+ message_test "$LOCAL_PEER_TOOL" "$REMOTE_PEER_TOOL"
+ message_test "$REMOTE_PEER_TOOL" "$LOCAL_PEER_TOOL"
- mw_test $MW $LOCAL_TOOL $REMOTE_TOOL
- mw_test $MW $REMOTE_TOOL $LOCAL_TOOL
- done
+ mw_test "$LOCAL_PEER_TOOL" "$REMOTE_PEER_TOOL"
+ mw_test "$REMOTE_PEER_TOOL" "$LOCAL_PEER_TOOL"
_modprobe -r ntb_tool
}
function ntb_pingpong_tests()
{
- LOCAL_PP=$DEBUGFS/ntb_pingpong/$LOCAL_DEV
- REMOTE_PP=$REMOTE_HOST:$DEBUGFS/ntb_pingpong/$REMOTE_DEV
+ LOCAL_PP="$DEBUGFS/ntb_pingpong/$LOCAL_DEV"
+ REMOTE_PP="$REMOTE_HOST:$DEBUGFS/ntb_pingpong/$REMOTE_DEV"
echo "Starting ntb_pingpong tests..."
@@ -374,8 +531,8 @@ function ntb_pingpong_tests()
function ntb_perf_tests()
{
- LOCAL_PERF=$DEBUGFS/ntb_perf/$LOCAL_DEV
- REMOTE_PERF=$REMOTE_HOST:$DEBUGFS/ntb_perf/$REMOTE_DEV
+ LOCAL_PERF="$DEBUGFS/ntb_perf/$LOCAL_DEV"
+ REMOTE_PERF="$REMOTE_HOST:$DEBUGFS/ntb_perf/$REMOTE_DEV"
echo "Starting ntb_perf tests..."
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-11-26 20:05:42 +0000