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NTB: ntb_test: Update ntb_tool DB tests

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DB interface of ntb_tool driver hasn't been changed much, but
db_valid_mask DebugFS file has still been added. In this case
it's much better to test all valid DB bits instead of using
the predefined mask, which may be incorrect in general.

Signed-off-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
This commit is contained in:
Serge Semin 2017-12-06 17:32:01 +03:00 committed by Jon Mason
parent 0298e5b9d0
commit 4e1ef427f2
1 changed files with 18 additions and 11 deletions
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29
tools/testing/selftests/ntb/ntb_test.sh
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@ -18,7 +18,6 @@ LIST_DEVS=FALSE
DEBUGFS=${DEBUGFS-/sys/kernel/debug}
DB_BITMASK=0x7FFF
PERF_RUN_ORDER=32
MAX_MW_SIZE=0
RUN_DMA_TESTS=
@ -39,7 +38,6 @@ function show_help()
echo "be highly recommended."
echo
echo "Options:"
echo " -b BITMASK doorbell clear bitmask for ntb_tool"
echo " -C don't cleanup ntb modules on exit"
echo " -d run dma tests"
echo " -h show this help message"
@ -56,7 +54,6 @@ function parse_args()
OPTIND=0
while getopts "b:Cdhlm:r:p:w:" opt; do
case "$opt" in
b) DB_BITMASK=${OPTARG} ;;
C) DONT_CLEANUP=1 ;;
d) RUN_DMA_TESTS=1 ;;
h) show_help; exit 0 ;;
@ -215,21 +212,30 @@ 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")
for ((i=1; i <= 8; i++)); do
let DB=$(read_file "$REM/db") || true
if [[ "$DB" != "$EXP" ]]; then
write_file "c $DB_VALID_MASK" "$REM/db"
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"
}
@ -393,14 +399,15 @@ function ntb_tool_tests()
write_file "Y" "$LOCAL_PEER_TOOL/link_event"
write_file "Y" "$REMOTE_PEER_TOOL/link_event"
doorbell_test "$LOCAL_TOOL" "$REMOTE_TOOL"
doorbell_test "$REMOTE_TOOL" "$LOCAL_TOOL"
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" "$LOCAL_TOOL"
scratchpad_test "$LOCAL_TOOL" "$REMOTE_TOOL"
scratchpad_test "$REMOTE_TOOL" "$LOCAL_TOOL"