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-rw-r--r--drivers/platform/chrome/cros_kunit_util.h48
1 files changed, 48 insertions, 0 deletions
diff --git a/drivers/platform/chrome/cros_kunit_util.h b/drivers/platform/chrome/cros_kunit_util.h
new file mode 100644
index 000000000..414002271
--- /dev/null
+++ b/drivers/platform/chrome/cros_kunit_util.h
@@ -0,0 +1,48 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * CrOS Kunit tests utilities.
+ */
+
+#ifndef _CROS_KUNIT_UTIL_H_
+#define _CROS_KUNIT_UTIL_H_
+
+#include <linux/platform_data/cros_ec_proto.h>
+
+struct ec_xfer_mock {
+ struct list_head list;
+ struct kunit *test;
+
+ /* input */
+ struct cros_ec_command msg;
+ void *i_data;
+
+ /* output */
+ int ret;
+ int result;
+ void *o_data;
+ u32 o_data_len;
+};
+
+extern int cros_kunit_ec_xfer_mock_default_result;
+extern int cros_kunit_ec_xfer_mock_default_ret;
+extern int cros_kunit_ec_cmd_xfer_mock_called;
+extern int cros_kunit_ec_pkt_xfer_mock_called;
+
+int cros_kunit_ec_xfer_mock(struct cros_ec_device *ec_dev, struct cros_ec_command *msg);
+int cros_kunit_ec_cmd_xfer_mock(struct cros_ec_device *ec_dev, struct cros_ec_command *msg);
+int cros_kunit_ec_pkt_xfer_mock(struct cros_ec_device *ec_dev, struct cros_ec_command *msg);
+struct ec_xfer_mock *cros_kunit_ec_xfer_mock_add(struct kunit *test, size_t size);
+struct ec_xfer_mock *cros_kunit_ec_xfer_mock_addx(struct kunit *test,
+ int ret, int result, size_t size);
+struct ec_xfer_mock *cros_kunit_ec_xfer_mock_next(void);
+
+extern int cros_kunit_readmem_mock_offset;
+extern u8 *cros_kunit_readmem_mock_data;
+extern int cros_kunit_readmem_mock_ret;
+
+int cros_kunit_readmem_mock(struct cros_ec_device *ec_dev, unsigned int offset,
+ unsigned int bytes, void *dest);
+
+void cros_kunit_mock_reset(void);
+
+#endif