Commit 7cb1eb82 authored by Tzung-Bi Shih's avatar Tzung-Bi Shih
Browse files

platform/chrome: cros_ec_proto: add Kunit tests for get_host_event 



cros_ec_get_host_event() performs some sanity checks, parses
`ec_dev->event_data.data.host_event`, and returns bitmap of
EC_HOST_EVENT_*.

Add Kunit tests for cros_ec_get_host_event().

Signed-off-by: default avatarTzung-Bi Shih <tzungbi@kernel.org>
Reviewed-by: default avatarGuenter Roeck <groeck@chromium.org>
Link: https://lore.kernel.org/r/20220622041040.202737-5-tzungbi@kernel.org
parent 2b7ed927

drivers/platform/chrome/cros_ec_proto_test.c

+59 −0
Original line number Diff line number Diff line
@@ -2312,6 +2312,61 @@ static void cros_ec_proto_test_get_next_event_mkbp_event_host_event_masked(struc 
	}

}



static void cros_ec_proto_test_get_host_event_no_mkbp_event(struct kunit *test)

{

	struct cros_ec_proto_test_priv *priv = test->priv;

	struct cros_ec_device *ec_dev = &priv->ec_dev;

	int ret;



	ec_dev->mkbp_event_supported = 0;



	ret = cros_ec_get_host_event(ec_dev);

	KUNIT_EXPECT_EQ(test, ret, 0);

}



static void cros_ec_proto_test_get_host_event_not_host_event(struct kunit *test)

{

	struct cros_ec_proto_test_priv *priv = test->priv;

	struct cros_ec_device *ec_dev = &priv->ec_dev;

	int ret;



	ec_dev->mkbp_event_supported = 1;

	ec_dev->event_data.event_type = EC_MKBP_EVENT_FINGERPRINT;



	ret = cros_ec_get_host_event(ec_dev);

	KUNIT_EXPECT_EQ(test, ret, 0);

}



static void cros_ec_proto_test_get_host_event_wrong_event_size(struct kunit *test)

{

	struct cros_ec_proto_test_priv *priv = test->priv;

	struct cros_ec_device *ec_dev = &priv->ec_dev;

	int ret;



	ec_dev->mkbp_event_supported = 1;

	ec_dev->event_data.event_type = EC_MKBP_EVENT_HOST_EVENT;

	ec_dev->event_size = 0xff;



	ret = cros_ec_get_host_event(ec_dev);

	KUNIT_EXPECT_EQ(test, ret, 0);

}



static void cros_ec_proto_test_get_host_event_normal(struct kunit *test)

{

	struct cros_ec_proto_test_priv *priv = test->priv;

	struct cros_ec_device *ec_dev = &priv->ec_dev;

	int ret;



	ec_dev->mkbp_event_supported = 1;

	ec_dev->event_data.event_type = EC_MKBP_EVENT_HOST_EVENT;

	ec_dev->event_size = sizeof(ec_dev->event_data.data.host_event);

	put_unaligned_le32(EC_HOST_EVENT_MASK(EC_HOST_EVENT_RTC),

			   &ec_dev->event_data.data.host_event);



	ret = cros_ec_get_host_event(ec_dev);

	KUNIT_EXPECT_EQ(test, ret, EC_HOST_EVENT_MASK(EC_HOST_EVENT_RTC));

}



static void cros_ec_proto_test_release(struct device *dev)

{

}
@@ -2401,6 +2456,10 @@ static struct kunit_case cros_ec_proto_test_cases[] = { 
	KUNIT_CASE(cros_ec_proto_test_get_next_event_mkbp_event_version2),

	KUNIT_CASE(cros_ec_proto_test_get_next_event_mkbp_event_host_event_rtc),

	KUNIT_CASE(cros_ec_proto_test_get_next_event_mkbp_event_host_event_masked),

	KUNIT_CASE(cros_ec_proto_test_get_host_event_no_mkbp_event),

	KUNIT_CASE(cros_ec_proto_test_get_host_event_not_host_event),

	KUNIT_CASE(cros_ec_proto_test_get_host_event_wrong_event_size),

	KUNIT_CASE(cros_ec_proto_test_get_host_event_normal),

	{}

};