Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752176AbdLFOfE (ORCPT ); Wed, 6 Dec 2017 09:35:04 -0500 Received: from mail-lf0-f67.google.com ([209.85.215.67]:40532 "EHLO mail-lf0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752194AbdLFOc0 (ORCPT ); Wed, 6 Dec 2017 09:32:26 -0500 X-Google-Smtp-Source: AGs4zMY0fZFcDKe1FLQbmpRtclCyYtf8KnrlCvq/bvzD1vxEsYE/F+E7yYqOfEg9vJLC4GslySBJCA== From: Serge Semin To: jdmason@kudzu.us, dave.jiang@intel.com, Allen.Hubbe@emc.com, Shyam-sundar.S-k@amd.com, Xiangliang.Yu@amd.com, gary.hook@amd.com Cc: Sergey.Semin@t-platforms.ru, linux-ntb@googlegroups.com, linux-kernel@vger.kernel.org, Serge Semin Subject: [PATCH v4 08/15] NTB: ntb_test: Add ntb_tool port tests Date: Wed, 6 Dec 2017 17:31:59 +0300 Message-Id: <20171206143206.14665-9-fancer.lancer@gmail.com> X-Mailer: git-send-email 2.12.0 In-Reply-To: <20171206143206.14665-1-fancer.lancer@gmail.com> References: <20171205223918.28727-1-fancer.lancer@gmail.com> <20171206143206.14665-1-fancer.lancer@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1957 Lines: 83 Multi-port interface is now available in ntb_tool driver. According to the new NTB API, there might be more than two devices connected over NTB. It means each device can have multiple freely enumerated ports. Each port got index assigned by NTB hardware driver. This test is performed to determine the local and peer ports as well as their indexes. Signed-off-by: Serge Semin --- tools/testing/selftests/ntb/ntb_test.sh | 52 +++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) diff --git a/tools/testing/selftests/ntb/ntb_test.sh b/tools/testing/selftests/ntb/ntb_test.sh index a8647ad891eb..541ba70ad640 100755 --- a/tools/testing/selftests/ntb/ntb_test.sh +++ b/tools/testing/selftests/ntb/ntb_test.sh @@ -127,6 +127,56 @@ function write_file() fi } +function check_file() +{ + split_remote $1 + + if [[ "$REMOTE" != "" ]]; then + ssh "$REMOTE" "[[ -e ${VPATH} ]]" + else + [[ -e ${VPATH} ]] + fi +} + +function find_pidx() +{ + PORT=$1 + PPATH=$2 + + for ((i = 0; i < 64; i++)); do + PEER_DIR="$PPATH/peer$i" + + check_file ${PEER_DIR} || break + + PEER_PORT=$(read_file "${PEER_DIR}/port") + if [[ ${PORT} -eq $PEER_PORT ]]; then + echo $i + return 0 + fi + done + + return 1 +} + +function port_test() +{ + LOC=$1 + REM=$2 + + echo "Running port tests on: $(basename $LOC) / $(basename $REM)" + + LOCAL_PORT=$(read_file "$LOC/port") + REMOTE_PORT=$(read_file "$REM/port") + + LOCAL_PIDX=$(find_pidx ${REMOTE_PORT} "$LOC") + REMOTE_PIDX=$(find_pidx ${LOCAL_PORT} "$REM") + + echo "Local port ${LOCAL_PORT} with index ${REMOTE_PIDX} on remote host" + echo "Peer port ${REMOTE_PORT} with index ${LOCAL_PIDX} on local host" + + echo " Passed" +} + function link_test() { LOC=$1 @@ -327,6 +377,8 @@ function ntb_tool_tests() _modprobe ntb_tool + port_test "$LOCAL_TOOL" "$REMOTE_TOOL" + write_file "Y" "$LOCAL_TOOL/link_event" write_file "Y" "$REMOTE_TOOL/link_event" -- 2.12.0