632 lines
12 KiB
Bash
632 lines
12 KiB
Bash
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#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0-or-later
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# Copyright (c) 2016 Microsemi. All Rights Reserved.
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#
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# Author: Logan Gunthorpe <logang@deltatee.com>
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REMOTE_HOST=
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LIST_DEVS=FALSE
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DEBUGFS=${DEBUGFS-/sys/kernel/debug}
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PERF_RUN_ORDER=32
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MAX_MW_SIZE=0
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RUN_DMA_TESTS=
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DONT_CLEANUP=
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MW_SIZE=65536
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function show_help()
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{
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echo "Usage: $0 [OPTIONS] LOCAL_DEV REMOTE_DEV"
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echo "Run tests on a pair of NTB endpoints."
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echo
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echo "If the NTB device loops back to the same host then,"
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echo "just specifying the two PCI ids on the command line is"
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echo "sufficient. Otherwise, if the NTB link spans two hosts"
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echo "use the -r option to specify the hostname for the remote"
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echo "device. SSH will then be used to test the remote side."
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echo "An SSH key between the root users of the host would then"
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echo "be highly recommended."
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echo
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echo "Options:"
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echo " -C don't cleanup ntb modules on exit"
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echo " -h show this help message"
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echo " -l list available local and remote PCI ids"
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echo " -r REMOTE_HOST specify the remote's hostname to connect"
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echo " to for the test (using ssh)"
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echo " -m MW_SIZE memory window size for ntb_tool"
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echo " (default: $MW_SIZE)"
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echo " -d run dma tests for ntb_perf"
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echo " -p ORDER total data order for ntb_perf"
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echo " (default: $PERF_RUN_ORDER)"
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echo " -w MAX_MW_SIZE maxmium memory window size for ntb_perf"
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echo
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}
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function parse_args()
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{
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OPTIND=0
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while getopts "b:Cdhlm:r:p:w:" opt; do
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case "$opt" in
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C) DONT_CLEANUP=1 ;;
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d) RUN_DMA_TESTS=1 ;;
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h) show_help; exit 0 ;;
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l) LIST_DEVS=TRUE ;;
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m) MW_SIZE=${OPTARG} ;;
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r) REMOTE_HOST=${OPTARG} ;;
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p) PERF_RUN_ORDER=${OPTARG} ;;
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w) MAX_MW_SIZE=${OPTARG} ;;
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\?)
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echo "Invalid option: -$OPTARG" >&2
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exit 1
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;;
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esac
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done
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}
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parse_args "$@"
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shift $((OPTIND-1))
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LOCAL_DEV=$1
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shift
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parse_args "$@"
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shift $((OPTIND-1))
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REMOTE_DEV=$1
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shift
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parse_args "$@"
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set -e
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function _modprobe()
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{
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modprobe "$@" || return 1
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if [[ "$REMOTE_HOST" != "" ]]; then
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ssh "$REMOTE_HOST" modprobe "$@" || return 1
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fi
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}
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function split_remote()
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{
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VPATH=$1
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REMOTE=
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if [[ "$VPATH" == *":/"* ]]; then
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REMOTE=${VPATH%%:*}
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VPATH=${VPATH#*:}
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fi
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}
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function read_file()
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{
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split_remote $1
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if [[ "$REMOTE" != "" ]]; then
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ssh "$REMOTE" cat "$VPATH"
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else
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cat "$VPATH"
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fi
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}
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function write_file()
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{
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split_remote $2
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VALUE=$1
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if [[ "$REMOTE" != "" ]]; then
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ssh "$REMOTE" "echo \"$VALUE\" > \"$VPATH\""
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else
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echo "$VALUE" > "$VPATH"
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fi
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}
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function check_file()
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{
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split_remote $1
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if [[ "$REMOTE" != "" ]]; then
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ssh "$REMOTE" "[[ -e ${VPATH} ]]"
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else
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[[ -e ${VPATH} ]]
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fi
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}
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function subdirname()
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{
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echo $(basename $(dirname $1)) 2> /dev/null
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}
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function find_pidx()
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{
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PORT=$1
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PPATH=$2
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for ((i = 0; i < 64; i++)); do
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PEER_DIR="$PPATH/peer$i"
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check_file ${PEER_DIR} || break
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PEER_PORT=$(read_file "${PEER_DIR}/port")
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if [[ ${PORT} -eq $PEER_PORT ]]; then
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echo $i
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return 0
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fi
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done
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return 1
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}
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function port_test()
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{
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LOC=$1
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REM=$2
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echo "Running port tests on: $(basename $LOC) / $(basename $REM)"
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LOCAL_PORT=$(read_file "$LOC/port")
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REMOTE_PORT=$(read_file "$REM/port")
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LOCAL_PIDX=$(find_pidx ${REMOTE_PORT} "$LOC")
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REMOTE_PIDX=$(find_pidx ${LOCAL_PORT} "$REM")
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echo "Local port ${LOCAL_PORT} with index ${REMOTE_PIDX} on remote host"
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echo "Peer port ${REMOTE_PORT} with index ${LOCAL_PIDX} on local host"
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echo " Passed"
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}
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function link_test()
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{
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LOC=$1
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REM=$2
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EXP=0
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echo "Running link tests on: $(subdirname $LOC) / $(subdirname $REM)"
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if ! write_file "N" "$LOC/../link" 2> /dev/null; then
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echo " Unsupported"
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return
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fi
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write_file "N" "$LOC/link_event"
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if [[ $(read_file "$REM/link") != "N" ]]; then
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echo "Expected link to be down in $REM/link" >&2
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exit -1
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fi
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write_file "Y" "$LOC/../link"
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echo " Passed"
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}
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function doorbell_test()
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{
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LOC=$1
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REM=$2
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EXP=0
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echo "Running db tests on: $(basename $LOC) / $(basename $REM)"
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DB_VALID_MASK=$(read_file "$LOC/db_valid_mask")
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write_file "c $DB_VALID_MASK" "$REM/db"
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for ((i = 0; i < 64; i++)); do
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DB=$(read_file "$REM/db")
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if [[ "$DB" -ne "$EXP" ]]; then
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echo "Doorbell doesn't match expected value $EXP " \
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"in $REM/db" >&2
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exit -1
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fi
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let "MASK = (1 << $i) & $DB_VALID_MASK" || true
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let "EXP = $EXP | $MASK" || true
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write_file "s $MASK" "$LOC/peer_db"
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done
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write_file "c $DB_VALID_MASK" "$REM/db_mask"
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write_file $DB_VALID_MASK "$REM/db_event"
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write_file "s $DB_VALID_MASK" "$REM/db_mask"
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write_file "c $DB_VALID_MASK" "$REM/db"
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echo " Passed"
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}
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function get_files_count()
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{
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NAME=$1
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LOC=$2
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split_remote $LOC
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if [[ "$REMOTE" == "" ]]; then
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echo $(ls -1 "$VPATH"/${NAME}* 2>/dev/null | wc -l)
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else
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echo $(ssh "$REMOTE" "ls -1 \"$VPATH\"/${NAME}* | \
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wc -l" 2> /dev/null)
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fi
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}
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function scratchpad_test()
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{
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LOC=$1
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REM=$2
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echo "Running spad tests on: $(subdirname $LOC) / $(subdirname $REM)"
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CNT=$(get_files_count "spad" "$LOC")
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if [[ $CNT -eq 0 ]]; then
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echo " Unsupported"
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return
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fi
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for ((i = 0; i < $CNT; i++)); do
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VAL=$RANDOM
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write_file "$VAL" "$LOC/spad$i"
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RVAL=$(read_file "$REM/../spad$i")
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if [[ "$VAL" -ne "$RVAL" ]]; then
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echo "Scratchpad $i value $RVAL doesn't match $VAL" >&2
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exit -1
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fi
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done
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echo " Passed"
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}
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function message_test()
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{
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LOC=$1
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REM=$2
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echo "Running msg tests on: $(subdirname $LOC) / $(subdirname $REM)"
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CNT=$(get_files_count "msg" "$LOC")
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if [[ $CNT -eq 0 ]]; then
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echo " Unsupported"
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return
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fi
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MSG_OUTBITS_MASK=$(read_file "$LOC/../msg_inbits")
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MSG_INBITS_MASK=$(read_file "$REM/../msg_inbits")
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write_file "c $MSG_OUTBITS_MASK" "$LOC/../msg_sts"
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write_file "c $MSG_INBITS_MASK" "$REM/../msg_sts"
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for ((i = 0; i < $CNT; i++)); do
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VAL=$RANDOM
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write_file "$VAL" "$LOC/msg$i"
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RVAL=$(read_file "$REM/../msg$i")
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if [[ "$VAL" -ne "${RVAL%%<-*}" ]]; then
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echo "Message $i value $RVAL doesn't match $VAL" >&2
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exit -1
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fi
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done
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echo " Passed"
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}
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function get_number()
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{
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KEY=$1
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sed -n "s/^\(${KEY}\)[ \t]*\(0x[0-9a-fA-F]*\)\(\[p\]\)\?$/\2/p"
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}
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function mw_alloc()
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{
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IDX=$1
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LOC=$2
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REM=$3
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write_file $MW_SIZE "$LOC/mw_trans$IDX"
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INB_MW=$(read_file "$LOC/mw_trans$IDX")
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MW_ALIGNED_SIZE=$(echo "$INB_MW" | get_number "Window Size")
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MW_DMA_ADDR=$(echo "$INB_MW" | get_number "DMA Address")
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write_file "$MW_DMA_ADDR:$(($MW_ALIGNED_SIZE))" "$REM/peer_mw_trans$IDX"
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if [[ $MW_SIZE -ne $MW_ALIGNED_SIZE ]]; then
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echo "MW $IDX size aligned to $MW_ALIGNED_SIZE"
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fi
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}
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function write_mw()
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{
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split_remote $2
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if [[ "$REMOTE" != "" ]]; then
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ssh "$REMOTE" \
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dd if=/dev/urandom "of=$VPATH" 2> /dev/null || true
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else
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dd if=/dev/urandom "of=$VPATH" 2> /dev/null || true
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fi
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}
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function mw_check()
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{
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IDX=$1
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LOC=$2
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REM=$3
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write_mw "$LOC/mw$IDX"
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split_remote "$LOC/mw$IDX"
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if [[ "$REMOTE" == "" ]]; then
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A=$VPATH
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else
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A=/tmp/ntb_test.$$.A
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ssh "$REMOTE" cat "$VPATH" > "$A"
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fi
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split_remote "$REM/peer_mw$IDX"
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if [[ "$REMOTE" == "" ]]; then
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B=$VPATH
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else
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B=/tmp/ntb_test.$$.B
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ssh "$REMOTE" cat "$VPATH" > "$B"
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fi
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cmp -n $MW_ALIGNED_SIZE "$A" "$B"
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if [[ $? != 0 ]]; then
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echo "Memory window $MW did not match!" >&2
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fi
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if [[ "$A" == "/tmp/*" ]]; then
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rm "$A"
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fi
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if [[ "$B" == "/tmp/*" ]]; then
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rm "$B"
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fi
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}
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function mw_free()
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{
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IDX=$1
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LOC=$2
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REM=$3
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write_file "$MW_DMA_ADDR:0" "$REM/peer_mw_trans$IDX"
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write_file 0 "$LOC/mw_trans$IDX"
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}
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function mw_test()
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{
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LOC=$1
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REM=$2
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CNT=$(get_files_count "mw_trans" "$LOC")
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for ((i = 0; i < $CNT; i++)); do
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echo "Running mw$i tests on: $(subdirname $LOC) / " \
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"$(subdirname $REM)"
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|
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mw_alloc $i $LOC $REM
|
||
|
|
|
||
|
|
mw_check $i $LOC $REM
|
||
|
|
|
||
|
|
mw_free $i $LOC $REM
|
||
|
|
|
||
|
|
echo " Passed"
|
||
|
|
done
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function pingpong_test()
|
||
|
|
{
|
||
|
|
LOC=$1
|
||
|
|
REM=$2
|
||
|
|
|
||
|
|
echo "Running ping pong tests on: $(basename $LOC) / $(basename $REM)"
|
||
|
|
|
||
|
|
LOC_START=$(read_file "$LOC/count")
|
||
|
|
REM_START=$(read_file "$REM/count")
|
||
|
|
|
||
|
|
sleep 7
|
||
|
|
|
||
|
|
LOC_END=$(read_file "$LOC/count")
|
||
|
|
REM_END=$(read_file "$REM/count")
|
||
|
|
|
||
|
|
if [[ $LOC_START == $LOC_END ]] || [[ $REM_START == $REM_END ]]; then
|
||
|
|
echo "Ping pong counter not incrementing!" >&2
|
||
|
|
exit 1
|
||
|
|
fi
|
||
|
|
|
||
|
|
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
|
||
|
|
|
||
|
|
if [[ $USE_DMA == "1" ]]; then
|
||
|
|
WITH="with"
|
||
|
|
else
|
||
|
|
WITH="without"
|
||
|
|
fi
|
||
|
|
|
||
|
|
_modprobe ntb_perf total_order=$PERF_RUN_ORDER \
|
||
|
|
max_mw_size=$MAX_MW_SIZE use_dma=$USE_DMA
|
||
|
|
|
||
|
|
echo "Running local perf test $WITH DMA"
|
||
|
|
write_file "$LOCAL_PIDX" "$LOCAL_PERF/run"
|
||
|
|
echo -n " "
|
||
|
|
read_file "$LOCAL_PERF/run"
|
||
|
|
echo " Passed"
|
||
|
|
|
||
|
|
echo "Running remote perf test $WITH DMA"
|
||
|
|
write_file "$REMOTE_PIDX" "$REMOTE_PERF/run"
|
||
|
|
echo -n " "
|
||
|
|
read_file "$REMOTE_PERF/run"
|
||
|
|
echo " Passed"
|
||
|
|
|
||
|
|
_modprobe -r ntb_perf
|
||
|
|
}
|
||
|
|
|
||
|
|
function ntb_tool_tests()
|
||
|
|
{
|
||
|
|
LOCAL_TOOL="$DEBUGFS/ntb_tool/$LOCAL_DEV"
|
||
|
|
REMOTE_TOOL="$REMOTE_HOST:$DEBUGFS/ntb_tool/$REMOTE_DEV"
|
||
|
|
|
||
|
|
echo "Starting ntb_tool tests..."
|
||
|
|
|
||
|
|
_modprobe ntb_tool
|
||
|
|
|
||
|
|
port_test "$LOCAL_TOOL" "$REMOTE_TOOL"
|
||
|
|
|
||
|
|
LOCAL_PEER_TOOL="$LOCAL_TOOL/peer$LOCAL_PIDX"
|
||
|
|
REMOTE_PEER_TOOL="$REMOTE_TOOL/peer$REMOTE_PIDX"
|
||
|
|
|
||
|
|
link_test "$LOCAL_PEER_TOOL" "$REMOTE_PEER_TOOL"
|
||
|
|
link_test "$REMOTE_PEER_TOOL" "$LOCAL_PEER_TOOL"
|
||
|
|
|
||
|
|
#Ensure the link is up on both sides before continuing
|
||
|
|
write_file "Y" "$LOCAL_PEER_TOOL/link_event"
|
||
|
|
write_file "Y" "$REMOTE_PEER_TOOL/link_event"
|
||
|
|
|
||
|
|
doorbell_test "$LOCAL_TOOL" "$REMOTE_TOOL"
|
||
|
|
doorbell_test "$REMOTE_TOOL" "$LOCAL_TOOL"
|
||
|
|
|
||
|
|
scratchpad_test "$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" "$LOCAL_PEER_TOOL"
|
||
|
|
|
||
|
|
mw_test "$LOCAL_PEER_TOOL" "$REMOTE_PEER_TOOL"
|
||
|
|
mw_test "$REMOTE_PEER_TOOL" "$LOCAL_PEER_TOOL"
|
||
|
|
|
||
|
|
_modprobe -r ntb_tool
|
||
|
|
}
|
||
|
|
|
||
|
|
function ntb_pingpong_tests()
|
||
|
|
{
|
||
|
|
LOCAL_PP="$DEBUGFS/ntb_pingpong/$LOCAL_DEV"
|
||
|
|
REMOTE_PP="$REMOTE_HOST:$DEBUGFS/ntb_pingpong/$REMOTE_DEV"
|
||
|
|
|
||
|
|
echo "Starting ntb_pingpong tests..."
|
||
|
|
|
||
|
|
_modprobe ntb_pingpong
|
||
|
|
|
||
|
|
pingpong_test $LOCAL_PP $REMOTE_PP
|
||
|
|
|
||
|
|
_modprobe -r ntb_pingpong
|
||
|
|
}
|
||
|
|
|
||
|
|
function ntb_msi_tests()
|
||
|
|
{
|
||
|
|
LOCAL_MSI="$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/$LOCAL_DEV"
|
||
|
|
REMOTE_PERF="$REMOTE_HOST:$DEBUGFS/ntb_perf/$REMOTE_DEV"
|
||
|
|
|
||
|
|
echo "Starting ntb_perf tests..."
|
||
|
|
|
||
|
|
perf_test 0
|
||
|
|
|
||
|
|
if [[ $RUN_DMA_TESTS ]]; then
|
||
|
|
perf_test 1
|
||
|
|
fi
|
||
|
|
}
|
||
|
|
|
||
|
|
function cleanup()
|
||
|
|
{
|
||
|
|
set +e
|
||
|
|
_modprobe -r ntb_tool 2> /dev/null
|
||
|
|
_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
|
||
|
|
}
|
||
|
|
|
||
|
|
cleanup
|
||
|
|
|
||
|
|
if ! [[ $$DONT_CLEANUP ]]; then
|
||
|
|
trap cleanup EXIT
|
||
|
|
fi
|
||
|
|
|
||
|
|
if [ "$(id -u)" != "0" ]; then
|
||
|
|
echo "This script must be run as root" 1>&2
|
||
|
|
exit 1
|
||
|
|
fi
|
||
|
|
|
||
|
|
if [[ "$LIST_DEVS" == TRUE ]]; then
|
||
|
|
echo "Local Devices:"
|
||
|
|
ls -1 /sys/bus/ntb/devices
|
||
|
|
echo
|
||
|
|
|
||
|
|
if [[ "$REMOTE_HOST" != "" ]]; then
|
||
|
|
echo "Remote Devices:"
|
||
|
|
ssh $REMOTE_HOST ls -1 /sys/bus/ntb/devices
|
||
|
|
fi
|
||
|
|
|
||
|
|
exit 0
|
||
|
|
fi
|
||
|
|
|
||
|
|
if [[ "$LOCAL_DEV" == $"" ]] || [[ "$REMOTE_DEV" == $"" ]]; then
|
||
|
|
show_help
|
||
|
|
exit 1
|
||
|
|
fi
|
||
|
|
|
||
|
|
ntb_tool_tests
|
||
|
|
echo
|
||
|
|
ntb_pingpong_tests
|
||
|
|
echo
|
||
|
|
ntb_msi_tests
|
||
|
|
echo
|
||
|
|
ntb_perf_tests
|
||
|
|
echo
|