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Direktori : /proc/self/root/lib/modules/5.15.0-43-generic/build/tools/usb/ |
Current File : //proc/self/root/lib/modules/5.15.0-43-generic/build/tools/usb/hcd-tests.sh |
#!/bin/sh # SPDX-License-Identifier: GPL-2.0 # # 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 echo "test 21: control writes, unaligned" do_test -t 21 -c 100 -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=100 echo "test 17: $COUNT transfers, unaligned DMA map by core" do_test -t 17 echo "test 19: $COUNT transfers, unaligned DMA map by usb_alloc_coherent" do_test -t 19 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 COUNT=100 echo "test 22: $COUNT transfers, non aligned" do_test -t 22 -g 8 -v 0 ;; 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=100 echo "test 18: $COUNT transfers, unaligned DMA map by core" do_test -t 18 echo "test 20: $COUNT transfers, unaligned DMA map by usb_alloc_coherent" do_test -t 20 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 ... COUNT=100 echo "test 23: $COUNT transfers, unaligned" do_test -t 23 -g 8 -v 0 ;; 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