NTB: ntb_test: Add ntb_tool Message tests

Messages NTB API is now available. ntb_tool driver has been altered
to perform messages send and receive operation. The test of messages
read/write to/from peer device has been added to the script.

Signed-off-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>

diff --git a/tools/testing/selftests/ntb/ntb_test.sh b/tools/testing/selftests/ntb/ntb_test.sh
index 06b9b15..849191f 100755 (executable)
--- a/tools/testing/selftests/ntb/ntb_test.sh
+++ b/tools/testing/selftests/ntb/ntb_test.sh
@@ -282,6 +282,40 @@ function scratchpad_test()
        echo "  Passed"
 }
 
+function message_test()
+{
+       LOC=$1
+       REM=$2
+
+       echo "Running msg tests on: $(subdirname $LOC) / $(subdirname $REM)"
+
+       CNT=$(get_files_count "msg" "$LOC")
+
+       if [[ $CNT -eq 0 ]]; then
+               echo "  Unsupported"
+               return
+       fi
+
+       MSG_OUTBITS_MASK=$(read_file "$LOC/../msg_inbits")
+       MSG_INBITS_MASK=$(read_file "$REM/../msg_inbits")
+
+       write_file "c $MSG_OUTBITS_MASK" "$LOC/../msg_sts"
+       write_file "c $MSG_INBITS_MASK" "$REM/../msg_sts"
+
+       for ((i = 0; i < $CNT; i++)); do
+               VAL=$RANDOM
+               write_file "$VAL" "$LOC/msg$i"
+               RVAL=$(read_file "$REM/../msg$i")
+
+               if [[ "$VAL" -ne "${RVAL%%<-*}" ]]; then
+                       echo "Message $i value $RVAL doesn't match $VAL" >&2
+                       exit -1
+               fi
+       done
+
+       echo "  Passed"
+}
+
 function write_mw()
 {
        split_remote $2
@@ -414,6 +448,9 @@ function ntb_tool_tests()
        scratchpad_test "$LOCAL_PEER_TOOL" "$REMOTE_PEER_TOOL"
        scratchpad_test "$REMOTE_PEER_TOOL" "$LOCAL_PEER_TOOL"
 
+       message_test "$LOCAL_PEER_TOOL" "$REMOTE_PEER_TOOL"
+       message_test "$REMOTE_PEER_TOOL" "$LOCAL_PEER_TOOL"
+
        for PEER_TRANS in $(ls "$LOCAL_TOOL"/peer_trans*); do
                PT=$(basename $PEER_TRANS)
                write_file $MW_SIZE "$LOCAL_TOOL/$PT"