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@@ -0,0 +1,51 @@
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+/* SPDX-License-Identifier: GPL-2.0+ */
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+/*
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+ * Copyright (c) 2022 Google, Inc.
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+ * Written by Andrew Scull <ascull@google.com>
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+ */
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+
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+#ifndef __FUZZING_ENGINE_H
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+#define __FUZZING_ENGINE_H
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+
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+struct udevice;
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+
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+/**
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+ * dm_fuzzing_engine_get_input() - get an input from the fuzzing engine device
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+ *
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+ * The function will return a pointer to the input data and the size of the
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+ * data pointed to. The pointer will remain valid until the next invocation of
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+ * this function.
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+ *
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+ * @dev: fuzzing engine device
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+ * @data: output pointer to input data
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+ * @size output size of input data
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+ * Return: 0 if OK, -ve on error
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+ */
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+int dm_fuzzing_engine_get_input(struct udevice *dev,
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+ const uint8_t **data,
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+ size_t *size);
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+
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+/**
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+ * struct dm_fuzzing_engine_ops - operations for the fuzzing engine uclass
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+ *
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+ * This contains the functions implemented by a fuzzing engine device.
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+ */
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+struct dm_fuzzing_engine_ops {
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+ /**
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+ * @get_input() - get an input
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+ *
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+ * The function will return a pointer to the input data and the size of
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+ * the data pointed to. The pointer will remain valid until the next
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+ * invocation of this function.
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+ *
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+ * @get_input.dev: fuzzing engine device
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+ * @get_input.data: output pointer to input data
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+ * @get_input.size output size of input data
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+ * @get_input.Return: 0 if OK, -ve on error
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+ */
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+ int (*get_input)(struct udevice *dev,
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+ const uint8_t **data,
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+ size_t *size);
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+};
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+
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+#endif /* __FUZZING_ENGINE_H */
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