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NTB: Add ntb_msi_test support to ntb_test

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When the ntb_msi_test module is available, the test code will trigger
each of the interrupts and ensure the corresponding occurrences files
gets incremented.

Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Cc: Dave Jiang <dave.jiang@intel.com>
Cc: Allen Hubbe <allenbh@gmail.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
This commit is contained in:
Logan Gunthorpe 2019-05-23 16:30:58 -06:00 committed by Jon Mason
parent a6bed7a541
commit 76ab785e73
1 changed files with 52 additions and 2 deletions
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54
tools/testing/selftests/ntb/ntb_test.sh
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@ -87,10 +87,10 @@ set -e
function _modprobe()
{
modprobe "$@"
modprobe "$@" || return 1
if [[ "$REMOTE_HOST" != "" ]]; then
ssh "$REMOTE_HOST" modprobe "$@"
ssh "$REMOTE_HOST" modprobe "$@" || return 1
fi
}
@ -451,6 +451,30 @@ function pingpong_test()
echo " Passed"
}
function msi_test()
{
LOC=$1
REM=$2
write_file 1 $LOC/ready
echo "Running MSI interrupt tests on: $(subdirname $LOC) / $(subdirname $REM)"
CNT=$(read_file "$LOC/count")
for ((i = 0; i < $CNT; i++)); do
START=$(read_file $REM/../irq${i}_occurrences)
write_file $i $LOC/trigger
END=$(read_file $REM/../irq${i}_occurrences)
if [[ $(($END - $START)) != 1 ]]; then
echo "MSI did not trigger the interrupt on the remote side!" >&2
exit 1
fi
done
echo " Passed"
}
function perf_test()
{
USE_DMA=$1
@ -529,6 +553,29 @@ function ntb_pingpong_tests()
_modprobe -r ntb_pingpong
}
function ntb_msi_tests()
{
LOCAL_MSI="$DEBUGFS/ntb_msi_test/$LOCAL_DEV"
REMOTE_MSI="$REMOTE_HOST:$DEBUGFS/ntb_msi_test/$REMOTE_DEV"
echo "Starting ntb_msi_test tests..."
if ! _modprobe ntb_msi_test 2> /dev/null; then
echo " Not doing MSI tests seeing the module is not available."
return
fi
port_test $LOCAL_MSI $REMOTE_MSI
LOCAL_PEER="$LOCAL_MSI/peer$LOCAL_PIDX"
REMOTE_PEER="$REMOTE_MSI/peer$REMOTE_PIDX"
msi_test $LOCAL_PEER $REMOTE_PEER
msi_test $REMOTE_PEER $LOCAL_PEER
_modprobe -r ntb_msi_test
}
function ntb_perf_tests()
{
LOCAL_PERF="$DEBUGFS/ntb_perf/$LOCAL_DEV"
@ -550,6 +597,7 @@ function cleanup()
_modprobe -r ntb_perf 2> /dev/null
_modprobe -r ntb_pingpong 2> /dev/null
_modprobe -r ntb_transport 2> /dev/null
_modprobe -r ntb_msi_test 2> /dev/null
set -e
}
@ -586,5 +634,7 @@ ntb_tool_tests
echo
ntb_pingpong_tests
echo
ntb_msi_tests
echo
ntb_perf_tests
echo