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Commit 76ab785e authored by Logan Gunthorpe's avatar Logan Gunthorpe Committed by Jon Mason
Browse files

NTB: Add ntb_msi_test support to ntb_test 



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: default avatarLogan Gunthorpe <logang@deltatee.com>
Cc: Dave Jiang <dave.jiang@intel.com>
Cc: Allen Hubbe <allenbh@gmail.com>
Signed-off-by: default avatarJon Mason <jdmason@kudzu.us>
parent a6bed7a5

tools/testing/selftests/ntb/ntb_test.sh

+52 −2
Original line number Diff line number Diff line
@@ -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