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Commit 7c49c985 authored by Allen Hubbe's avatar Allen Hubbe Committed by Jon Mason
Browse files

NTB: ntb_test: add parameter for doorbell bitmask 



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: default avatarAllen Hubbe <Allen.Hubbe@dell.com>
Acked-by: default avatarLogan Gunthorpe <logang@deltatee.com>
Signed-off-by: default avatarJon Mason <jdmason@kudzu.us>
parent c2d42edb

tools/testing/selftests/ntb/ntb_test.sh

+5 −2
Original line number Diff line number Diff line
@@ -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