USB: usbtest - add shell script to test HCDs

This patch just adds the script available at
http://www.linux-usb.org/usbtest/test.sh as is.

Signed-off-by: Martin Fuzzey <mfuzzey@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 249 insertions, 0 deletions

diff --git a/tools/usb/hcd-tests.sh b/tools/usb/hcd-tests.sh
new file mode 100644
index 000000000000..d212192d58bc
--- /dev/null
+++ b/tools/usb/hcd-tests.sh
@@ -0,0 +1,249 @@
+#!/bin/sh
+#
+# test types can be passed on the command line:
+#
+# - control: any device can do this
+# - out, in:  out needs 'bulk sink' firmware, in needs 'bulk src'
+# - iso-out, iso-in:  out needs 'iso sink' firmware, in needs 'iso src'
+# - halt: needs bulk sink+src, tests halt set/clear from host
+# - unlink: needs bulk sink and/or src, test HCD unlink processing
+# - loop: needs firmware that will buffer N transfers
+#
+# run it for hours, days, weeks.
+#
+
+#
+# this default provides a steady test load for a bulk device
+#
+TYPES='control out in'
+#TYPES='control out in halt'
+
+#
+# to test HCD code
+#
+#  - include unlink tests
+#  - add some ${RANDOM}ness
+#  - connect several devices concurrently (same HC)
+#  - keep HC's IRQ lines busy with unrelated traffic (IDE, net, ...)
+#  - add other concurrent system loads
+#
+
+declare -i COUNT BUFLEN
+
+COUNT=50000
+BUFLEN=2048
+
+# NOTE:  the 'in' and 'out' cases are usually bulk, but can be
+# set up to use interrupt transfers by 'usbtest' module options
+
+
+if [ "$DEVICE" = "" ]; then
+        echo "testing ALL recognized usbtest devices"
+        echo ""
+        TEST_ARGS="-a"
+else
+        TEST_ARGS=""
+fi
+
+do_test ()
+{
+    if ! ./testusb $TEST_ARGS -s $BUFLEN -c $COUNT $* 2>/dev/null
+    then
+        echo "FAIL"
+        exit 1
+    fi
+}
+
+ARGS="$*"
+
+if [ "$ARGS" = "" ];
+then
+    ARGS="$TYPES"
+fi
+
+# FIXME use /sys/bus/usb/device/$THIS/bConfigurationValue to
+# check and change configs
+
+CONFIG=''
+
+check_config ()
+{
+    if [ "$CONFIG" = "" ]; then
+        CONFIG=$1
+        echo "assuming $CONFIG configuration"
+        return
+    fi
+    if [ "$CONFIG" = $1 ]; then
+        return
+    fi
+
+    echo "** device must be in $1 config, but it's $CONFIG instead"
+    exit 1
+}
+
+
+echo "TESTING:  $ARGS"
+
+while : true
+do
+    echo $(date)
+
+    for TYPE in $ARGS
+    do
+        # restore defaults
+        COUNT=5000
+        BUFLEN=2048
+
+        # FIXME automatically multiply COUNT by 10 when
+        # /sys/bus/usb/device/$THIS/speed == "480"
+
+#       COUNT=50000
+
+        case $TYPE in
+        control)
+            # any device, in any configuration, can use this.
+            echo '** Control test cases:'
+
+            echo "test 9: ch9 postconfig"
+            do_test -t 9 -c 5000
+            echo "test 10: control queueing"
+            do_test -t 10 -c 5000
+
+            # this relies on some vendor-specific commands
+            echo "test 14: control writes"
+            do_test -t 14 -c 15000 -s 256 -v 1
+            ;;
+
+        out)
+            check_config sink-src
+            echo '** Host Write (OUT) test cases:'
+
+            echo "test 1: $COUNT transfers, same size"
+            do_test -t 1
+            echo "test 3: $COUNT transfers, variable/short size"
+            do_test -t 3 -v 421
+
+            COUNT=2000
+            echo "test 5: $COUNT scatterlists, same size entries"
+            do_test -t 5
+
+            # try to trigger short OUT processing bugs
+            echo "test 7a: $COUNT scatterlists, variable size/short entries"
+            do_test -t 7 -v 579
+            BUFLEN=4096
+            echo "test 7b: $COUNT scatterlists, variable size/bigger entries"
+            do_test -t 7 -v 41
+            BUFLEN=64
+            echo "test 7c: $COUNT scatterlists, variable size/micro entries"
+            do_test -t 7 -v 63
+            ;;
+
+        iso-out)
+            check_config sink-src
+            echo '** Host ISOCHRONOUS Write (OUT) test cases:'
+
+            # at peak iso transfer rates:
+            # - usb 2.0 high bandwidth, this is one frame.
+            # - usb 1.1, it's twenty-four frames.
+            BUFLEN=24500
+
+            COUNT=1000
+
+# COUNT=10000
+
+            echo "test 15: $COUNT transfers, same size"
+            # do_test -t 15 -g 3 -v 0
+            BUFLEN=32768
+            do_test -t 15 -g 8 -v 0
+
+            # FIXME it'd make sense to have an iso OUT test issuing
+            # short writes on more packets than the last one
+
+            ;;
+
+        in)
+            check_config sink-src
+            echo '** Host Read (IN) test cases:'
+
+            # NOTE:  these "variable size" reads are just multiples
+            # of 512 bytes, no EOVERFLOW testing is done yet
+
+            echo "test 2: $COUNT transfers, same size"
+            do_test -t 2
+            echo "test 4: $COUNT transfers, variable size"
+            do_test -t 4
+
+            COUNT=2000
+            echo "test 6: $COUNT scatterlists, same size entries"
+            do_test -t 6
+            echo "test 8: $COUNT scatterlists, variable size entries"
+            do_test -t 8
+            ;;
+
+        iso-in)
+            check_config sink-src
+            echo '** Host ISOCHRONOUS Read (IN) test cases:'
+
+            # at peak iso transfer rates:
+            # - usb 2.0 high bandwidth, this is one frame.
+            # - usb 1.1, it's twenty-four frames.
+            BUFLEN=24500
+
+            COUNT=1000
+
+# COUNT=10000
+
+            echo "test 16: $COUNT transfers, same size"
+            # do_test -t 16 -g 3 -v 0
+            BUFLEN=32768
+            do_test -t 16 -g 8 -v 0
+
+            # FIXME since iso expects faults, it'd make sense
+            # to have an iso IN test issuing short reads ...
+
+            ;;
+
+        halt)
+            # NOTE:  sometimes hardware doesn't cooperate well with halting
+            # endpoints from the host side.  so long as mass-storage class
+            # firmware can halt them from the device, don't worry much if
+            # you can't make this test work on your device.
+            COUNT=2000
+            echo "test 13: $COUNT halt set/clear"
+            do_test -t 13
+            ;;
+
+        unlink)
+            COUNT=2000
+            echo "test 11: $COUNT read unlinks"
+            do_test -t 11
+
+            echo "test 12: $COUNT write unlinks"
+            do_test -t 12
+            ;;
+
+        loop)
+            # defaults need too much buffering for ez-usb devices
+            BUFLEN=2048
+            COUNT=32
+
+            # modprobe g_zero qlen=$COUNT buflen=$BUFLEN loopdefault
+            check_config loopback
+
+            # FIXME someone needs to write and merge a version of this
+
+            echo "write $COUNT buffers of $BUFLEN bytes, read them back"
+
+            echo "write $COUNT variable size buffers, read them back"
+
+            ;;
+
+        *)
+            echo "Don't understand test type $TYPE"
+            exit 1;
+        esac
+        echo ''
+    done
+done
+
+# vim: sw=4