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NTB: ntb_test: add parameter for doorbell bitmask

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If the test attempts to clear doorbell bits that are invalid for the
hardware, then the test will fail.  Provide a parameter to specify the
doorbell bits to clear.  Set default doorbell bits that work for XEON.

Signed-off-by: Allen Hubbe <Allen.Hubbe@dell.com>
Acked-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
This commit is contained in:
Allen Hubbe 2016-12-27 19:12:28 -05:00 committed by Jon Mason
parent c2d42edb52
commit 7c49c9855a
1 changed files with 5 additions and 2 deletions
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7
tools/testing/selftests/ntb/ntb_test.sh
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@ -18,6 +18,7 @@ LIST_DEVS=FALSE
DEBUGFS=${DEBUGFS-/sys/kernel/debug}
DB_BITMASK=0x7FFF
PERF_RUN_ORDER=32
MAX_MW_SIZE=0
RUN_DMA_TESTS=
@ -38,6 +39,7 @@ function show_help()
echo "be highly recommended."
echo
echo "Options:"
echo " -b BITMASK doorbell clear bitmask for ntb_tool"
echo " -C don't cleanup ntb modules on exit"
echo " -d run dma tests"
echo " -h show this help message"
@ -52,8 +54,9 @@ function show_help()
function parse_args()
{
OPTIND=0
while getopts "Cdhlm:r:p:w:" opt; do
while getopts "b:Cdhlm:r:p:w:" opt; do
case "$opt" in
b) DB_BITMASK=${OPTARG} ;;
C) DONT_CLEANUP=1 ;;
d) RUN_DMA_TESTS=1 ;;
h) show_help; exit 0 ;;
@ -158,7 +161,7 @@ function doorbell_test()
echo "Running db tests on: $(basename $LOC) / $(basename $REM)"
write_file "c 0xFFFFFFFF" "$REM/db"
write_file "c $DB_BITMASK" "$REM/db"
for ((i=1; i <= 8; i++)); do
let DB=$(read_file "$REM/db") || true