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diff --git a/lib/igt_crc.h b/lib/igt_crc.h
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+++ b/lib/igt_crc.h
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+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2022 Intel Corporation
+ */
+
+#ifndef __IGT_CRC_H__
+#define __IGT_CRC_H__
+
+#include <stddef.h>
+#include <stdint.h>
+
+/**
+ * SECTION:igt_crc
+ * @short_description: igt crc tables and calculation functions
+ * @title: CRC
+ * @include: igt_crc.h
+ *
+ * # Introduction
+ *
+ * Providing vendor agnostic crc calculation is useful to avoid code
+ * duplication. Especially if vendor will decide to do on-gpu crc calculation
+ * it will need to inject crc table to gpu.
+ *
+ * All crc tables are globals to allow direct in-code use.
+ */
+
+const uint32_t igt_crc32_tab[256];
+
+uint32_t igt_cpu_crc32(const void *buf, size_t size);
+
+#endif