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Date: Wed, 22 Jun 2022 04:10:39 +0000
From: Tzung-Bi Shih <tzungbi@...nel.org>
To: bleung@...omium.org, groeck@...omium.org
Cc: chrome-platform@...ts.linux.dev, tzungbi@...nel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH 6/7] platform/chrome: cros_ec_proto: add Kunit tests for get_sensor_count
cros_ec_get_sensor_count() gets number of MEMS sensors.
Add Kunit tests for cros_ec_get_sensor_count().
Signed-off-by: Tzung-Bi Shih <tzungbi@...nel.org>
---
drivers/platform/chrome/cros_ec_proto_test.c | 153 +++++++++++++++++++
drivers/platform/chrome/cros_kunit_util.c | 22 +++
drivers/platform/chrome/cros_kunit_util.h | 7 +
3 files changed, 182 insertions(+)
diff --git a/drivers/platform/chrome/cros_ec_proto_test.c b/drivers/platform/chrome/cros_ec_proto_test.c
index 93c1700deaef..6b26ce3104f4 100644
--- a/drivers/platform/chrome/cros_ec_proto_test.c
+++ b/drivers/platform/chrome/cros_ec_proto_test.c
@@ -2442,6 +2442,156 @@ static void cros_ec_proto_test_check_features_not_cached(struct kunit *test)
}
}
+static void cros_ec_proto_test_get_sensor_count_normal(struct kunit *test)
+{
+ struct cros_ec_proto_test_priv *priv = test->priv;
+ struct cros_ec_device *ec_dev = &priv->ec_dev;
+ struct ec_xfer_mock *mock;
+ int ret;
+ struct cros_ec_dev ec;
+
+ ec_dev->max_request = 0xff;
+ ec_dev->max_response = 0xee;
+ ec.ec_dev = ec_dev;
+ ec.dev = ec_dev->dev;
+ ec.cmd_offset = 0;
+
+ /* For EC_CMD_MOTION_SENSE_CMD. */
+ {
+ struct ec_response_motion_sense *data;
+
+ mock = cros_kunit_ec_xfer_mock_add(test, sizeof(*data));
+ KUNIT_ASSERT_PTR_NE(test, mock, NULL);
+
+ data = (struct ec_response_motion_sense *)mock->o_data;
+ data->dump.sensor_count = 0xbf;
+ }
+
+ ret = cros_ec_get_sensor_count(&ec);
+ KUNIT_EXPECT_EQ(test, ret, 0xbf);
+
+ /* For EC_CMD_MOTION_SENSE_CMD. */
+ {
+ struct ec_params_motion_sense *data;
+
+ mock = cros_kunit_ec_xfer_mock_next();
+ KUNIT_EXPECT_PTR_NE(test, mock, NULL);
+
+ KUNIT_EXPECT_EQ(test, mock->msg.version, 1);
+ KUNIT_EXPECT_EQ(test, mock->msg.command, EC_CMD_MOTION_SENSE_CMD);
+ KUNIT_EXPECT_EQ(test, mock->msg.insize, sizeof(struct ec_response_motion_sense));
+ KUNIT_EXPECT_EQ(test, mock->msg.outsize, sizeof(*data));
+
+ data = (struct ec_params_motion_sense *)mock->i_data;
+ KUNIT_EXPECT_EQ(test, data->cmd, MOTIONSENSE_CMD_DUMP);
+ }
+}
+
+static void cros_ec_proto_test_get_sensor_count_xfer_error(struct kunit *test)
+{
+ struct cros_ec_proto_test_priv *priv = test->priv;
+ struct cros_ec_device *ec_dev = &priv->ec_dev;
+ struct ec_xfer_mock *mock;
+ int ret;
+ struct cros_ec_dev ec;
+
+ ec_dev->max_request = 0xff;
+ ec_dev->max_response = 0xee;
+ ec.ec_dev = ec_dev;
+ ec.dev = ec_dev->dev;
+ ec.cmd_offset = 0;
+
+ /* For EC_CMD_MOTION_SENSE_CMD. */
+ {
+ mock = cros_kunit_ec_xfer_mock_addx(test, -EPROTO, EC_RES_SUCCESS, 0);
+ KUNIT_ASSERT_PTR_NE(test, mock, NULL);
+ }
+
+ ret = cros_ec_get_sensor_count(&ec);
+ KUNIT_EXPECT_EQ(test, ret, -EPROTO);
+
+ /* For EC_CMD_MOTION_SENSE_CMD. */
+ {
+ struct ec_params_motion_sense *data;
+
+ mock = cros_kunit_ec_xfer_mock_next();
+ KUNIT_EXPECT_PTR_NE(test, mock, NULL);
+
+ KUNIT_EXPECT_EQ(test, mock->msg.version, 1);
+ KUNIT_EXPECT_EQ(test, mock->msg.command, EC_CMD_MOTION_SENSE_CMD);
+ KUNIT_EXPECT_EQ(test, mock->msg.insize, sizeof(struct ec_response_motion_sense));
+ KUNIT_EXPECT_EQ(test, mock->msg.outsize, sizeof(*data));
+
+ data = (struct ec_params_motion_sense *)mock->i_data;
+ KUNIT_EXPECT_EQ(test, data->cmd, MOTIONSENSE_CMD_DUMP);
+ }
+}
+
+static void cros_ec_proto_test_get_sensor_count_legacy(struct kunit *test)
+{
+ struct cros_ec_proto_test_priv *priv = test->priv;
+ struct cros_ec_device *ec_dev = &priv->ec_dev;
+ struct ec_xfer_mock *mock;
+ int ret, i;
+ struct cros_ec_dev ec;
+ struct {
+ u8 readmem_data;
+ int expected_result;
+ } test_data[] = {
+ { 0, 0 },
+ { EC_MEMMAP_ACC_STATUS_PRESENCE_BIT, 2 },
+ };
+
+ ec_dev->max_request = 0xff;
+ ec_dev->max_response = 0xee;
+ ec_dev->cmd_readmem = cros_kunit_readmem_mock;
+ ec.ec_dev = ec_dev;
+ ec.dev = ec_dev->dev;
+ ec.cmd_offset = 0;
+
+ for (i = 0; i < ARRAY_SIZE(test_data); ++i) {
+ /* For EC_CMD_MOTION_SENSE_CMD. */
+ {
+ mock = cros_kunit_ec_xfer_mock_addx(test, -EPROTO, EC_RES_SUCCESS, 0);
+ KUNIT_ASSERT_PTR_NE(test, mock, NULL);
+ }
+
+ /* For readmem. */
+ {
+ cros_kunit_readmem_mock_data = kunit_kzalloc(test, 1, GFP_KERNEL);
+ KUNIT_ASSERT_PTR_NE(test, cros_kunit_readmem_mock_data, NULL);
+ cros_kunit_readmem_mock_data[0] = test_data[i].readmem_data;
+
+ cros_kunit_ec_xfer_mock_default_ret = 1;
+ }
+
+ ret = cros_ec_get_sensor_count(&ec);
+ KUNIT_EXPECT_EQ(test, ret, test_data[i].expected_result);
+
+ /* For EC_CMD_MOTION_SENSE_CMD. */
+ {
+ struct ec_params_motion_sense *data;
+
+ mock = cros_kunit_ec_xfer_mock_next();
+ KUNIT_EXPECT_PTR_NE(test, mock, NULL);
+
+ KUNIT_EXPECT_EQ(test, mock->msg.version, 1);
+ KUNIT_EXPECT_EQ(test, mock->msg.command, EC_CMD_MOTION_SENSE_CMD);
+ KUNIT_EXPECT_EQ(test, mock->msg.insize,
+ sizeof(struct ec_response_motion_sense));
+ KUNIT_EXPECT_EQ(test, mock->msg.outsize, sizeof(*data));
+
+ data = (struct ec_params_motion_sense *)mock->i_data;
+ KUNIT_EXPECT_EQ(test, data->cmd, MOTIONSENSE_CMD_DUMP);
+ }
+
+ /* For readmem. */
+ {
+ KUNIT_EXPECT_EQ(test, cros_kunit_readmem_mock_offset, EC_MEMMAP_ACC_STATUS);
+ }
+ }
+}
+
static void cros_ec_proto_test_release(struct device *dev)
{
}
@@ -2537,6 +2687,9 @@ static struct kunit_case cros_ec_proto_test_cases[] = {
KUNIT_CASE(cros_ec_proto_test_get_host_event_normal),
KUNIT_CASE(cros_ec_proto_test_check_features_cached),
KUNIT_CASE(cros_ec_proto_test_check_features_not_cached),
+ KUNIT_CASE(cros_ec_proto_test_get_sensor_count_normal),
+ KUNIT_CASE(cros_ec_proto_test_get_sensor_count_xfer_error),
+ KUNIT_CASE(cros_ec_proto_test_get_sensor_count_legacy),
{}
};
diff --git a/drivers/platform/chrome/cros_kunit_util.c b/drivers/platform/chrome/cros_kunit_util.c
index 3ede971e82ee..d37c334b416d 100644
--- a/drivers/platform/chrome/cros_kunit_util.c
+++ b/drivers/platform/chrome/cros_kunit_util.c
@@ -105,6 +105,24 @@ struct ec_xfer_mock *cros_kunit_ec_xfer_mock_next(void)
}
EXPORT_SYMBOL_GPL(cros_kunit_ec_xfer_mock_next);
+int cros_kunit_readmem_mock_offset;
+EXPORT_SYMBOL_GPL(cros_kunit_readmem_mock_offset);
+u8 *cros_kunit_readmem_mock_data;
+EXPORT_SYMBOL_GPL(cros_kunit_readmem_mock_data);
+int cros_kunit_readmem_mock_ret;
+EXPORT_SYMBOL_GPL(cros_kunit_readmem_mock_ret);
+
+int cros_kunit_readmem_mock(struct cros_ec_device *ec_dev, unsigned int offset,
+ unsigned int bytes, void *dest)
+{
+ cros_kunit_readmem_mock_offset = offset;
+
+ memcpy(dest, cros_kunit_readmem_mock_data, bytes);
+
+ return cros_kunit_readmem_mock_ret;
+}
+EXPORT_SYMBOL_GPL(cros_kunit_readmem_mock);
+
void cros_kunit_mock_reset(void)
{
cros_kunit_ec_xfer_mock_default_ret = 0;
@@ -112,6 +130,10 @@ void cros_kunit_mock_reset(void)
cros_kunit_ec_pkt_xfer_mock_called = 0;
INIT_LIST_HEAD(&cros_kunit_ec_xfer_mock_in);
INIT_LIST_HEAD(&cros_kunit_ec_xfer_mock_out);
+
+ cros_kunit_readmem_mock_offset = 0;
+ cros_kunit_readmem_mock_data = NULL;
+ cros_kunit_readmem_mock_ret = 0;
}
EXPORT_SYMBOL_GPL(cros_kunit_mock_reset);
diff --git a/drivers/platform/chrome/cros_kunit_util.h b/drivers/platform/chrome/cros_kunit_util.h
index ae4080cb13f1..88134c9f1acf 100644
--- a/drivers/platform/chrome/cros_kunit_util.h
+++ b/drivers/platform/chrome/cros_kunit_util.h
@@ -35,6 +35,13 @@ 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
--
2.37.0.rc0.104.g0611611a94-goog
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