tools: firmware: add fallback cancelation testing
Add a test case for cancelling the sync fallback mechanism. Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -58,6 +58,31 @@ load_fw()
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wait
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wait
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}
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}
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load_fw_cancel()
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{
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local name="$1"
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local file="$2"
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# This will block until our load (below) has finished.
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echo -n "$name" >"$DIR"/trigger_request 2>/dev/null &
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# Give kernel a chance to react.
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local timeout=10
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while [ ! -e "$DIR"/"$name"/loading ]; do
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sleep 0.1
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timeout=$(( $timeout - 1 ))
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if [ "$timeout" -eq 0 ]; then
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echo "$0: firmware interface never appeared" >&2
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exit 1
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fi
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done
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echo -1 >"$DIR"/"$name"/loading
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# Wait for request to finish.
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wait
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}
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trap "test_finish" EXIT
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trap "test_finish" EXIT
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# This is an unlikely real-world firmware content. :)
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# This is an unlikely real-world firmware content. :)
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@ -118,7 +143,14 @@ if ! diff -q "$FW" /dev/test_firmware >/dev/null ; then
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exit 1
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exit 1
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else
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else
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echo "$0: fallback mechanism works"
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echo "$0: fallback mechanism works"
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fi
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load_fw_cancel "nope-$NAME" "$FW"
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if diff -q "$FW" /dev/test_firmware >/dev/null ; then
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echo "$0: firmware was expected to be cancelled" >&2
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exit 1
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else
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echo "$0: cancelling fallback mechanism works"
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fi
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fi
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exit 0
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exit 0
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