All of lore.kernel.org
 help / color / mirror / Atom feed
From: Tzung-Bi Shih <tzungbi@kernel.org>
To: bleung@chromium.org, groeck@chromium.org
Cc: chrome-platform@lists.linux.dev, tzungbi@kernel.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH v4 02/21] platform/chrome: cros_ec_proto: add Kunit tests for cros_ec_query_all()
Date: Thu,  9 Jun 2022 08:49:38 +0000	[thread overview]
Message-ID: <20220609084957.3684698-3-tzungbi@kernel.org> (raw)
In-Reply-To: <20220609084957.3684698-1-tzungbi@kernel.org>

cros_ec_query_all() sends multiple host commands to EC for querying
supported protocols and settings.

Add required mock for interacting with cros_ec_query_all() and Kunit
tests.

Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
---
No change from v2 and v3.

Changes from v1:
- Initialize the mock ec_dev->dev more to get rid of kernel WARN().
- Elaborate more on the test case names.

 drivers/platform/chrome/Kconfig              |   6 +
 drivers/platform/chrome/Makefile             |   1 +
 drivers/platform/chrome/cros_ec_proto_test.c | 802 +++++++++++++++++++
 drivers/platform/chrome/cros_kunit_util.c    |  98 +++
 drivers/platform/chrome/cros_kunit_util.h    |  36 +
 5 files changed, 943 insertions(+)
 create mode 100644 drivers/platform/chrome/cros_kunit_util.c
 create mode 100644 drivers/platform/chrome/cros_kunit_util.h

diff --git a/drivers/platform/chrome/Kconfig b/drivers/platform/chrome/Kconfig
index 4b3d2427e8dd..0b069d874845 100644
--- a/drivers/platform/chrome/Kconfig
+++ b/drivers/platform/chrome/Kconfig
@@ -268,11 +268,17 @@ config CHROMEOS_PRIVACY_SCREEN
 source "drivers/platform/chrome/wilco_ec/Kconfig"
 
 # Kunit test cases
+config CROS_KUNIT
+	tristate
+	help
+	  ChromeOS Kunit.
+
 config CROS_EC_PROTO_KUNIT_TEST
 	tristate "Kunit tests for ChromeOS EC protocol" if !KUNIT_ALL_TESTS
 	depends on KUNIT && CROS_EC
 	default KUNIT_ALL_TESTS
 	select CROS_EC_PROTO
+	select CROS_KUNIT
 	help
 	  Kunit tests for the ChromeOS Embedded Controller protocol.
 
diff --git a/drivers/platform/chrome/Makefile b/drivers/platform/chrome/Makefile
index 3c380066c6b6..a06bc56d12a8 100644
--- a/drivers/platform/chrome/Makefile
+++ b/drivers/platform/chrome/Makefile
@@ -32,4 +32,5 @@ obj-$(CONFIG_CROS_USBPD_NOTIFY)		+= cros_usbpd_notify.o
 obj-$(CONFIG_WILCO_EC)			+= wilco_ec/
 
 # Kunit test cases
+obj-$(CONFIG_CROS_KUNIT)		+= cros_kunit_util.o
 obj-$(CONFIG_CROS_EC_PROTO_KUNIT_TEST)	+= cros_ec_proto_test.o
diff --git a/drivers/platform/chrome/cros_ec_proto_test.c b/drivers/platform/chrome/cros_ec_proto_test.c
index 25c4fca5c165..675306c16d47 100644
--- a/drivers/platform/chrome/cros_ec_proto_test.c
+++ b/drivers/platform/chrome/cros_ec_proto_test.c
@@ -9,6 +9,7 @@
 #include <linux/platform_data/cros_ec_proto.h>
 
 #include "cros_ec.h"
+#include "cros_kunit_util.h"
 
 #define BUFSIZE 512
 
@@ -172,6 +173,779 @@ static void cros_ec_proto_test_check_result(struct kunit *test)
 	KUNIT_EXPECT_EQ(test, ret, -EAGAIN);
 }
 
+static void cros_ec_proto_test_query_all_pretest(struct kunit *test)
+{
+	struct cros_ec_proto_test_priv *priv = test->priv;
+	struct cros_ec_device *ec_dev = &priv->ec_dev;
+
+	/*
+	 * cros_ec_query_all() will free din and dout and allocate them again to fit the usage by
+	 * calling devm_kfree() and devm_kzalloc().  Set them to NULL as they aren't managed by
+	 * ec_dev->dev but allocated statically in struct cros_ec_proto_test_priv
+	 * (see cros_ec_proto_test_init()).
+	 */
+	ec_dev->din = NULL;
+	ec_dev->dout = NULL;
+}
+
+static void cros_ec_proto_test_query_all_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;
+
+	/* For cros_ec_host_command_proto_query() without passthru. */
+	{
+		struct ec_response_get_protocol_info *data;
+
+		mock = cros_kunit_ec_xfer_mock_add(test, sizeof(*data));
+		KUNIT_ASSERT_PTR_NE(test, mock, NULL);
+
+		data = (struct ec_response_get_protocol_info *)mock->o_data;
+		data->protocol_versions = BIT(3) | BIT(2);
+		data->max_request_packet_size = 0xbe;
+		data->max_response_packet_size = 0xef;
+	}
+
+	/* For cros_ec_host_command_proto_query() with passthru. */
+	{
+		struct ec_response_get_protocol_info *data;
+
+		mock = cros_kunit_ec_xfer_mock_add(test, sizeof(*data));
+		KUNIT_ASSERT_PTR_NE(test, mock, NULL);
+
+		data = (struct ec_response_get_protocol_info *)mock->o_data;
+		data->max_request_packet_size = 0xbf;
+	}
+
+	/* For cros_ec_get_host_command_version_mask() for MKBP. */
+	{
+		struct ec_response_get_cmd_versions *data;
+
+		mock = cros_kunit_ec_xfer_mock_add(test, sizeof(*data));
+		KUNIT_ASSERT_PTR_NE(test, mock, NULL);
+
+		data = (struct ec_response_get_cmd_versions *)mock->o_data;
+		data->version_mask = BIT(6) | BIT(5);
+	}
+
+	/* For cros_ec_get_host_command_version_mask() for host sleep v1. */
+	{
+		struct ec_response_get_cmd_versions *data;
+
+		mock = cros_kunit_ec_xfer_mock_add(test, sizeof(*data));
+		KUNIT_ASSERT_PTR_NE(test, mock, NULL);
+
+		data = (struct ec_response_get_cmd_versions *)mock->o_data;
+		data->version_mask = BIT(1);
+	}
+
+	/* For cros_ec_get_host_event_wake_mask(). */
+	{
+		struct ec_response_host_event_mask *data;
+
+		mock = cros_kunit_ec_xfer_mock_add(test, sizeof(*data));
+		KUNIT_ASSERT_PTR_NE(test, mock, NULL);
+
+		data = (struct ec_response_host_event_mask *)mock->o_data;
+		data->mask = 0xbeef;
+	}
+
+	cros_ec_proto_test_query_all_pretest(test);
+	ret = cros_ec_query_all(ec_dev);
+	KUNIT_EXPECT_EQ(test, ret, 0);
+
+	/* For cros_ec_host_command_proto_query() without passthru. */
+	{
+		mock = cros_kunit_ec_xfer_mock_next();
+		KUNIT_EXPECT_PTR_NE(test, mock, NULL);
+
+		KUNIT_EXPECT_EQ(test, mock->msg.version, 0);
+		KUNIT_EXPECT_EQ(test, mock->msg.command, EC_CMD_GET_PROTOCOL_INFO);
+		KUNIT_EXPECT_EQ(test, mock->msg.insize,
+				sizeof(struct ec_response_get_protocol_info));
+		KUNIT_EXPECT_EQ(test, mock->msg.outsize, 0);
+
+		KUNIT_EXPECT_EQ(test, ec_dev->max_request, 0xbe - sizeof(struct ec_host_request));
+		KUNIT_EXPECT_EQ(test, ec_dev->max_response, 0xef - sizeof(struct ec_host_response));
+		KUNIT_EXPECT_EQ(test, ec_dev->proto_version, 3);
+		KUNIT_EXPECT_EQ(test, ec_dev->din_size, 0xef + EC_MAX_RESPONSE_OVERHEAD);
+		KUNIT_EXPECT_EQ(test, ec_dev->dout_size, 0xbe + EC_MAX_REQUEST_OVERHEAD);
+	}
+
+	/* For cros_ec_host_command_proto_query() with passthru. */
+	{
+		mock = cros_kunit_ec_xfer_mock_next();
+		KUNIT_EXPECT_PTR_NE(test, mock, NULL);
+
+		KUNIT_EXPECT_EQ(test, mock->msg.version, 0);
+		KUNIT_EXPECT_EQ(test, mock->msg.command,
+				EC_CMD_PASSTHRU_OFFSET(1) | EC_CMD_GET_PROTOCOL_INFO);
+		KUNIT_EXPECT_EQ(test, mock->msg.insize,
+				sizeof(struct ec_response_get_protocol_info));
+		KUNIT_EXPECT_EQ(test, mock->msg.outsize, 0);
+
+		KUNIT_EXPECT_EQ(test, ec_dev->max_passthru, 0xbf - sizeof(struct ec_host_request));
+	}
+
+	/* For cros_ec_get_host_command_version_mask() for MKBP. */
+	{
+		struct ec_params_get_cmd_versions *data;
+
+		mock = cros_kunit_ec_xfer_mock_next();
+		KUNIT_EXPECT_PTR_NE(test, mock, NULL);
+
+		KUNIT_EXPECT_EQ(test, mock->msg.version, 0);
+		KUNIT_EXPECT_EQ(test, mock->msg.command, EC_CMD_GET_CMD_VERSIONS);
+		KUNIT_EXPECT_EQ(test, mock->msg.insize,
+				sizeof(struct ec_response_get_cmd_versions));
+		KUNIT_EXPECT_EQ(test, mock->msg.outsize, sizeof(*data));
+
+		data = (struct ec_params_get_cmd_versions *)mock->i_data;
+		KUNIT_EXPECT_EQ(test, data->cmd, EC_CMD_GET_NEXT_EVENT);
+
+		KUNIT_EXPECT_EQ(test, ec_dev->mkbp_event_supported, 7);
+	}
+
+	/* For cros_ec_get_host_command_version_mask() for host sleep v1. */
+	{
+		struct ec_params_get_cmd_versions *data;
+
+		mock = cros_kunit_ec_xfer_mock_next();
+		KUNIT_EXPECT_PTR_NE(test, mock, NULL);
+
+		KUNIT_EXPECT_EQ(test, mock->msg.version, 0);
+		KUNIT_EXPECT_EQ(test, mock->msg.command, EC_CMD_GET_CMD_VERSIONS);
+		KUNIT_EXPECT_EQ(test, mock->msg.insize,
+				sizeof(struct ec_response_get_cmd_versions));
+		KUNIT_EXPECT_EQ(test, mock->msg.outsize, sizeof(*data));
+
+		data = (struct ec_params_get_cmd_versions *)mock->i_data;
+		KUNIT_EXPECT_EQ(test, data->cmd, EC_CMD_HOST_SLEEP_EVENT);
+
+		KUNIT_EXPECT_TRUE(test, ec_dev->host_sleep_v1);
+	}
+
+	/* For cros_ec_get_host_event_wake_mask(). */
+	{
+		mock = cros_kunit_ec_xfer_mock_next();
+		KUNIT_EXPECT_PTR_NE(test, mock, NULL);
+
+		KUNIT_EXPECT_EQ(test, mock->msg.version, 0);
+		KUNIT_EXPECT_EQ(test, mock->msg.command, EC_CMD_HOST_EVENT_GET_WAKE_MASK);
+		KUNIT_EXPECT_EQ(test, mock->msg.insize, sizeof(struct ec_response_host_event_mask));
+		KUNIT_EXPECT_EQ(test, mock->msg.outsize, 0);
+
+		KUNIT_EXPECT_EQ(test, ec_dev->host_event_wake_mask, 0xbeef);
+	}
+}
+
+static void cros_ec_proto_test_query_all_no_pd_return_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;
+
+	/* Set some garbage bytes. */
+	ec_dev->max_passthru = 0xbf;
+
+	/* For cros_ec_host_command_proto_query() without passthru. */
+	{
+		struct ec_response_get_protocol_info *data;
+
+		mock = cros_kunit_ec_xfer_mock_add(test, sizeof(*data));
+		KUNIT_ASSERT_PTR_NE(test, mock, NULL);
+
+		/*
+		 * Although it doesn't check the value, provides valid sizes so that
+		 * cros_ec_query_all() allocates din and dout correctly.
+		 */
+		data = (struct ec_response_get_protocol_info *)mock->o_data;
+		data->max_request_packet_size = 0xbe;
+		data->max_response_packet_size = 0xef;
+	}
+
+	/* For cros_ec_host_command_proto_query() with passthru. */
+	{
+		mock = cros_kunit_ec_xfer_mock_addx(test, 0, EC_RES_INVALID_COMMAND, 0);
+		KUNIT_ASSERT_PTR_NE(test, mock, NULL);
+	}
+
+	cros_ec_proto_test_query_all_pretest(test);
+	ret = cros_ec_query_all(ec_dev);
+	KUNIT_EXPECT_EQ(test, ret, 0);
+
+	/* For cros_ec_host_command_proto_query() without passthru. */
+	{
+		mock = cros_kunit_ec_xfer_mock_next();
+		KUNIT_EXPECT_PTR_NE(test, mock, NULL);
+
+		KUNIT_EXPECT_EQ(test, mock->msg.version, 0);
+		KUNIT_EXPECT_EQ(test, mock->msg.command, EC_CMD_GET_PROTOCOL_INFO);
+		KUNIT_EXPECT_EQ(test, mock->msg.insize,
+				sizeof(struct ec_response_get_protocol_info));
+		KUNIT_EXPECT_EQ(test, mock->msg.outsize, 0);
+	}
+
+	/* For cros_ec_host_command_proto_query() with passthru. */
+	{
+		mock = cros_kunit_ec_xfer_mock_next();
+		KUNIT_EXPECT_PTR_NE(test, mock, NULL);
+
+		KUNIT_EXPECT_EQ(test, mock->msg.version, 0);
+		KUNIT_EXPECT_EQ(test, mock->msg.command,
+				EC_CMD_PASSTHRU_OFFSET(1) | EC_CMD_GET_PROTOCOL_INFO);
+		KUNIT_EXPECT_EQ(test, mock->msg.insize,
+				sizeof(struct ec_response_get_protocol_info));
+		KUNIT_EXPECT_EQ(test, mock->msg.outsize, 0);
+
+		KUNIT_EXPECT_EQ(test, ec_dev->max_passthru, 0);
+	}
+}
+
+static void cros_ec_proto_test_query_all_legacy_normal_v3_return_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;
+
+	/* For cros_ec_host_command_proto_query() without passthru. */
+	{
+		mock = cros_kunit_ec_xfer_mock_addx(test, 0, EC_RES_INVALID_COMMAND, 0);
+		KUNIT_ASSERT_PTR_NE(test, mock, NULL);
+	}
+
+	/* For cros_ec_host_command_proto_query_v2(). */
+	{
+		struct ec_response_hello *data;
+
+		mock = cros_kunit_ec_xfer_mock_add(test, sizeof(*data));
+		KUNIT_ASSERT_PTR_NE(test, mock, NULL);
+
+		data = (struct ec_response_hello *)mock->o_data;
+		data->out_data = 0xa1b2c3d4;
+	}
+
+	cros_ec_proto_test_query_all_pretest(test);
+	ret = cros_ec_query_all(ec_dev);
+	KUNIT_EXPECT_EQ(test, ret, 0);
+
+	/* For cros_ec_host_command_proto_query() without passthru. */
+	{
+		mock = cros_kunit_ec_xfer_mock_next();
+		KUNIT_EXPECT_PTR_NE(test, mock, NULL);
+
+		KUNIT_EXPECT_EQ(test, mock->msg.version, 0);
+		KUNIT_EXPECT_EQ(test, mock->msg.command, EC_CMD_GET_PROTOCOL_INFO);
+		KUNIT_EXPECT_EQ(test, mock->msg.insize,
+				sizeof(struct ec_response_get_protocol_info));
+		KUNIT_EXPECT_EQ(test, mock->msg.outsize, 0);
+	}
+
+	/* For cros_ec_host_command_proto_query_v2(). */
+	{
+		struct ec_params_hello *data;
+
+		mock = cros_kunit_ec_xfer_mock_next();
+		KUNIT_EXPECT_PTR_NE(test, mock, NULL);
+
+		KUNIT_EXPECT_EQ(test, mock->msg.version, 0);
+		KUNIT_EXPECT_EQ(test, mock->msg.command, EC_CMD_HELLO);
+		KUNIT_EXPECT_EQ(test, mock->msg.insize, sizeof(struct ec_response_hello));
+		KUNIT_EXPECT_EQ(test, mock->msg.outsize, sizeof(*data));
+
+		data = (struct ec_params_hello *)mock->i_data;
+		KUNIT_EXPECT_EQ(test, data->in_data, 0xa0b0c0d0);
+
+		KUNIT_EXPECT_EQ(test, ec_dev->proto_version, 2);
+		KUNIT_EXPECT_EQ(test, ec_dev->max_request, EC_PROTO2_MAX_PARAM_SIZE);
+		KUNIT_EXPECT_EQ(test, ec_dev->max_response, EC_PROTO2_MAX_PARAM_SIZE);
+		KUNIT_EXPECT_EQ(test, ec_dev->max_passthru, 0);
+		KUNIT_EXPECT_PTR_EQ(test, ec_dev->pkt_xfer, NULL);
+		KUNIT_EXPECT_EQ(test, ec_dev->din_size, EC_PROTO2_MSG_BYTES);
+		KUNIT_EXPECT_EQ(test, ec_dev->dout_size, EC_PROTO2_MSG_BYTES);
+	}
+}
+
+static void cros_ec_proto_test_query_all_legacy_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;
+
+	/* For cros_ec_host_command_proto_query() without passthru. */
+	{
+		mock = cros_kunit_ec_xfer_mock_addx(test, 0, EC_RES_INVALID_COMMAND, 0);
+		KUNIT_ASSERT_PTR_NE(test, mock, NULL);
+	}
+
+	/* For cros_ec_host_command_proto_query_v2(). */
+	{
+		mock = cros_kunit_ec_xfer_mock_addx(test, -EIO, EC_RES_SUCCESS, 0);
+		KUNIT_ASSERT_PTR_NE(test, mock, NULL);
+	}
+
+	cros_ec_proto_test_query_all_pretest(test);
+	ret = cros_ec_query_all(ec_dev);
+	KUNIT_EXPECT_EQ(test, ret, -EIO);
+	KUNIT_EXPECT_EQ(test, ec_dev->proto_version, EC_PROTO_VERSION_UNKNOWN);
+
+	/* For cros_ec_host_command_proto_query() without passthru. */
+	{
+		mock = cros_kunit_ec_xfer_mock_next();
+		KUNIT_EXPECT_PTR_NE(test, mock, NULL);
+
+		KUNIT_EXPECT_EQ(test, mock->msg.version, 0);
+		KUNIT_EXPECT_EQ(test, mock->msg.command, EC_CMD_GET_PROTOCOL_INFO);
+		KUNIT_EXPECT_EQ(test, mock->msg.insize,
+				sizeof(struct ec_response_get_protocol_info));
+		KUNIT_EXPECT_EQ(test, mock->msg.outsize, 0);
+	}
+
+	/* For cros_ec_host_command_proto_query_v2(). */
+	{
+		mock = cros_kunit_ec_xfer_mock_next();
+		KUNIT_EXPECT_PTR_NE(test, mock, NULL);
+
+		KUNIT_EXPECT_EQ(test, mock->msg.version, 0);
+		KUNIT_EXPECT_EQ(test, mock->msg.command, EC_CMD_HELLO);
+		KUNIT_EXPECT_EQ(test, mock->msg.insize, sizeof(struct ec_response_hello));
+		KUNIT_EXPECT_EQ(test, mock->msg.outsize, sizeof(struct ec_params_hello));
+	}
+}
+
+static void cros_ec_proto_test_query_all_legacy_return_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;
+
+	/* For cros_ec_host_command_proto_query() without passthru. */
+	{
+		mock = cros_kunit_ec_xfer_mock_addx(test, 0, EC_RES_INVALID_COMMAND, 0);
+		KUNIT_ASSERT_PTR_NE(test, mock, NULL);
+	}
+
+	/* For cros_ec_host_command_proto_query_v2(). */
+	{
+		mock = cros_kunit_ec_xfer_mock_addx(test, 0, EC_RES_INVALID_COMMAND, 0);
+		KUNIT_ASSERT_PTR_NE(test, mock, NULL);
+	}
+
+	cros_ec_proto_test_query_all_pretest(test);
+	ret = cros_ec_query_all(ec_dev);
+	KUNIT_EXPECT_EQ(test, ret, EC_RES_INVALID_COMMAND);
+	KUNIT_EXPECT_EQ(test, ec_dev->proto_version, EC_PROTO_VERSION_UNKNOWN);
+
+	/* For cros_ec_host_command_proto_query() without passthru. */
+	{
+		mock = cros_kunit_ec_xfer_mock_next();
+		KUNIT_EXPECT_PTR_NE(test, mock, NULL);
+
+		KUNIT_EXPECT_EQ(test, mock->msg.version, 0);
+		KUNIT_EXPECT_EQ(test, mock->msg.command, EC_CMD_GET_PROTOCOL_INFO);
+		KUNIT_EXPECT_EQ(test, mock->msg.insize,
+				sizeof(struct ec_response_get_protocol_info));
+		KUNIT_EXPECT_EQ(test, mock->msg.outsize, 0);
+	}
+
+	/* For cros_ec_host_command_proto_query_v2(). */
+	{
+		mock = cros_kunit_ec_xfer_mock_next();
+		KUNIT_EXPECT_PTR_NE(test, mock, NULL);
+
+		KUNIT_EXPECT_EQ(test, mock->msg.version, 0);
+		KUNIT_EXPECT_EQ(test, mock->msg.command, EC_CMD_HELLO);
+		KUNIT_EXPECT_EQ(test, mock->msg.insize, sizeof(struct ec_response_hello));
+		KUNIT_EXPECT_EQ(test, mock->msg.outsize, sizeof(struct ec_params_hello));
+	}
+}
+
+static void cros_ec_proto_test_query_all_legacy_data_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;
+
+	/* For cros_ec_host_command_proto_query() without passthru. */
+	{
+		mock = cros_kunit_ec_xfer_mock_addx(test, 0, EC_RES_INVALID_COMMAND, 0);
+		KUNIT_ASSERT_PTR_NE(test, mock, NULL);
+	}
+
+	/* For cros_ec_host_command_proto_query_v2(). */
+	{
+		struct ec_response_hello *data;
+
+		mock = cros_kunit_ec_xfer_mock_add(test, sizeof(*data));
+		KUNIT_ASSERT_PTR_NE(test, mock, NULL);
+
+		data = (struct ec_response_hello *)mock->o_data;
+		data->out_data = 0xbeefbfbf;
+	}
+
+	cros_ec_proto_test_query_all_pretest(test);
+	ret = cros_ec_query_all(ec_dev);
+	KUNIT_EXPECT_EQ(test, ret, -EBADMSG);
+	KUNIT_EXPECT_EQ(test, ec_dev->proto_version, EC_PROTO_VERSION_UNKNOWN);
+
+	/* For cros_ec_host_command_proto_query() without passthru. */
+	{
+		mock = cros_kunit_ec_xfer_mock_next();
+		KUNIT_EXPECT_PTR_NE(test, mock, NULL);
+
+		KUNIT_EXPECT_EQ(test, mock->msg.version, 0);
+		KUNIT_EXPECT_EQ(test, mock->msg.command, EC_CMD_GET_PROTOCOL_INFO);
+		KUNIT_EXPECT_EQ(test, mock->msg.insize,
+				sizeof(struct ec_response_get_protocol_info));
+		KUNIT_EXPECT_EQ(test, mock->msg.outsize, 0);
+	}
+
+	/* For cros_ec_host_command_proto_query_v2(). */
+	{
+		mock = cros_kunit_ec_xfer_mock_next();
+		KUNIT_EXPECT_PTR_NE(test, mock, NULL);
+
+		KUNIT_EXPECT_EQ(test, mock->msg.version, 0);
+		KUNIT_EXPECT_EQ(test, mock->msg.command, EC_CMD_HELLO);
+		KUNIT_EXPECT_EQ(test, mock->msg.insize, sizeof(struct ec_response_hello));
+		KUNIT_EXPECT_EQ(test, mock->msg.outsize, sizeof(struct ec_params_hello));
+	}
+}
+
+static void cros_ec_proto_test_query_all_no_mkbp(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;
+
+	/* Set some garbage bytes. */
+	ec_dev->mkbp_event_supported = 0xbf;
+
+	/* For cros_ec_host_command_proto_query() without passthru. */
+	{
+		struct ec_response_get_protocol_info *data;
+
+		mock = cros_kunit_ec_xfer_mock_add(test, sizeof(*data));
+		KUNIT_ASSERT_PTR_NE(test, mock, NULL);
+
+		/*
+		 * Although it doesn't check the value, provides valid sizes so that
+		 * cros_ec_query_all() allocates din and dout correctly.
+		 */
+		data = (struct ec_response_get_protocol_info *)mock->o_data;
+		data->max_request_packet_size = 0xbe;
+		data->max_response_packet_size = 0xef;
+	}
+
+	/* For cros_ec_host_command_proto_query() with passthru. */
+	{
+		mock = cros_kunit_ec_xfer_mock_addx(test, 0, EC_RES_INVALID_COMMAND, 0);
+		KUNIT_ASSERT_PTR_NE(test, mock, NULL);
+	}
+
+	/* For cros_ec_get_host_command_version_mask() for MKBP. */
+	{
+		struct ec_response_get_cmd_versions *data;
+
+		mock = cros_kunit_ec_xfer_mock_add(test, sizeof(*data));
+		KUNIT_ASSERT_PTR_NE(test, mock, NULL);
+
+		data = (struct ec_response_get_cmd_versions *)mock->o_data;
+		data->version_mask = 0;
+	}
+
+	cros_ec_proto_test_query_all_pretest(test);
+	ret = cros_ec_query_all(ec_dev);
+	KUNIT_EXPECT_EQ(test, ret, 0);
+
+	/* For cros_ec_host_command_proto_query() without passthru. */
+	{
+		mock = cros_kunit_ec_xfer_mock_next();
+		KUNIT_EXPECT_PTR_NE(test, mock, NULL);
+
+		KUNIT_EXPECT_EQ(test, mock->msg.version, 0);
+		KUNIT_EXPECT_EQ(test, mock->msg.command, EC_CMD_GET_PROTOCOL_INFO);
+		KUNIT_EXPECT_EQ(test, mock->msg.insize,
+				sizeof(struct ec_response_get_protocol_info));
+		KUNIT_EXPECT_EQ(test, mock->msg.outsize, 0);
+	}
+
+	/* For cros_ec_host_command_proto_query() with passthru. */
+	{
+		mock = cros_kunit_ec_xfer_mock_next();
+		KUNIT_EXPECT_PTR_NE(test, mock, NULL);
+
+		KUNIT_EXPECT_EQ(test, mock->msg.version, 0);
+		KUNIT_EXPECT_EQ(test, mock->msg.command,
+				EC_CMD_PASSTHRU_OFFSET(1) | EC_CMD_GET_PROTOCOL_INFO);
+		KUNIT_EXPECT_EQ(test, mock->msg.insize,
+				sizeof(struct ec_response_get_protocol_info));
+		KUNIT_EXPECT_EQ(test, mock->msg.outsize, 0);
+	}
+
+	/* For cros_ec_get_host_command_version_mask() for MKBP. */
+	{
+		struct ec_params_get_cmd_versions *data;
+
+		mock = cros_kunit_ec_xfer_mock_next();
+		KUNIT_EXPECT_PTR_NE(test, mock, NULL);
+
+		KUNIT_EXPECT_EQ(test, mock->msg.version, 0);
+		KUNIT_EXPECT_EQ(test, mock->msg.command, EC_CMD_GET_CMD_VERSIONS);
+		KUNIT_EXPECT_EQ(test, mock->msg.insize,
+				sizeof(struct ec_response_get_cmd_versions));
+		KUNIT_EXPECT_EQ(test, mock->msg.outsize, sizeof(*data));
+
+		data = (struct ec_params_get_cmd_versions *)mock->i_data;
+		KUNIT_EXPECT_EQ(test, data->cmd, EC_CMD_GET_NEXT_EVENT);
+
+		KUNIT_EXPECT_EQ(test, ec_dev->mkbp_event_supported, 0);
+	}
+}
+
+static void cros_ec_proto_test_query_all_no_host_sleep(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;
+
+	/* Set some garbage bytes. */
+	ec_dev->host_sleep_v1 = true;
+
+	/* For cros_ec_host_command_proto_query() without passthru. */
+	{
+		struct ec_response_get_protocol_info *data;
+
+		mock = cros_kunit_ec_xfer_mock_add(test, sizeof(*data));
+		KUNIT_ASSERT_PTR_NE(test, mock, NULL);
+
+		/*
+		 * Although it doesn't check the value, provides valid sizes so that
+		 * cros_ec_query_all() allocates din and dout correctly.
+		 */
+		data = (struct ec_response_get_protocol_info *)mock->o_data;
+		data->max_request_packet_size = 0xbe;
+		data->max_response_packet_size = 0xef;
+	}
+
+	/* For cros_ec_host_command_proto_query() with passthru. */
+	{
+		mock = cros_kunit_ec_xfer_mock_addx(test, 0, EC_RES_INVALID_COMMAND, 0);
+		KUNIT_ASSERT_PTR_NE(test, mock, NULL);
+	}
+
+	/* For cros_ec_get_host_command_version_mask() for MKBP. */
+	{
+		mock = cros_kunit_ec_xfer_mock_add(test, 0);
+		KUNIT_ASSERT_PTR_NE(test, mock, NULL);
+	}
+
+	/* For cros_ec_get_host_command_version_mask() for host sleep v1. */
+	{
+		struct ec_response_get_cmd_versions *data;
+
+		mock = cros_kunit_ec_xfer_mock_add(test, sizeof(*data));
+		KUNIT_ASSERT_PTR_NE(test, mock, NULL);
+
+		data = (struct ec_response_get_cmd_versions *)mock->o_data;
+		data->version_mask = 0;
+	}
+
+	cros_ec_proto_test_query_all_pretest(test);
+	ret = cros_ec_query_all(ec_dev);
+	KUNIT_EXPECT_EQ(test, ret, 0);
+
+	/* For cros_ec_host_command_proto_query() without passthru. */
+	{
+		mock = cros_kunit_ec_xfer_mock_next();
+		KUNIT_EXPECT_PTR_NE(test, mock, NULL);
+
+		KUNIT_EXPECT_EQ(test, mock->msg.version, 0);
+		KUNIT_EXPECT_EQ(test, mock->msg.command, EC_CMD_GET_PROTOCOL_INFO);
+		KUNIT_EXPECT_EQ(test, mock->msg.insize,
+				sizeof(struct ec_response_get_protocol_info));
+		KUNIT_EXPECT_EQ(test, mock->msg.outsize, 0);
+	}
+
+	/* For cros_ec_host_command_proto_query() with passthru. */
+	{
+		mock = cros_kunit_ec_xfer_mock_next();
+		KUNIT_EXPECT_PTR_NE(test, mock, NULL);
+
+		KUNIT_EXPECT_EQ(test, mock->msg.version, 0);
+		KUNIT_EXPECT_EQ(test, mock->msg.command,
+				EC_CMD_PASSTHRU_OFFSET(1) | EC_CMD_GET_PROTOCOL_INFO);
+		KUNIT_EXPECT_EQ(test, mock->msg.insize,
+				sizeof(struct ec_response_get_protocol_info));
+		KUNIT_EXPECT_EQ(test, mock->msg.outsize, 0);
+	}
+
+	/* For cros_ec_get_host_command_version_mask() for MKBP. */
+	{
+		mock = cros_kunit_ec_xfer_mock_next();
+		KUNIT_EXPECT_PTR_NE(test, mock, NULL);
+
+		KUNIT_EXPECT_EQ(test, mock->msg.version, 0);
+		KUNIT_EXPECT_EQ(test, mock->msg.command, EC_CMD_GET_CMD_VERSIONS);
+		KUNIT_EXPECT_EQ(test, mock->msg.insize,
+				sizeof(struct ec_response_get_cmd_versions));
+		KUNIT_EXPECT_EQ(test, mock->msg.outsize, sizeof(struct ec_params_get_cmd_versions));
+	}
+
+	/* For cros_ec_get_host_command_version_mask() for host sleep v1. */
+	{
+		mock = cros_kunit_ec_xfer_mock_next();
+		KUNIT_EXPECT_PTR_NE(test, mock, NULL);
+
+		KUNIT_EXPECT_EQ(test, mock->msg.version, 0);
+		KUNIT_EXPECT_EQ(test, mock->msg.command, EC_CMD_GET_CMD_VERSIONS);
+		KUNIT_EXPECT_EQ(test, mock->msg.insize,
+				sizeof(struct ec_response_get_cmd_versions));
+		KUNIT_EXPECT_EQ(test, mock->msg.outsize, sizeof(struct ec_params_get_cmd_versions));
+
+		KUNIT_EXPECT_FALSE(test, ec_dev->host_sleep_v1);
+	}
+}
+
+static void cros_ec_proto_test_query_all_default_wake_mask_return_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;
+
+	/* Set some garbage bytes. */
+	ec_dev->host_event_wake_mask = U32_MAX;
+
+	/* For cros_ec_host_command_proto_query() without passthru. */
+	{
+		struct ec_response_get_protocol_info *data;
+
+		mock = cros_kunit_ec_xfer_mock_add(test, sizeof(*data));
+		KUNIT_ASSERT_PTR_NE(test, mock, NULL);
+
+		/*
+		 * Although it doesn't check the value, provides valid sizes so that
+		 * cros_ec_query_all() allocates din and dout correctly.
+		 */
+		data = (struct ec_response_get_protocol_info *)mock->o_data;
+		data->max_request_packet_size = 0xbe;
+		data->max_response_packet_size = 0xef;
+	}
+
+	/* For cros_ec_host_command_proto_query() with passthru. */
+	{
+		mock = cros_kunit_ec_xfer_mock_addx(test, 0, EC_RES_INVALID_COMMAND, 0);
+		KUNIT_ASSERT_PTR_NE(test, mock, NULL);
+	}
+
+	/* For cros_ec_get_host_command_version_mask() for MKBP. */
+	{
+		mock = cros_kunit_ec_xfer_mock_add(test, 0);
+		KUNIT_ASSERT_PTR_NE(test, mock, NULL);
+	}
+
+	/* For cros_ec_get_host_command_version_mask() for host sleep v1. */
+	{
+		mock = cros_kunit_ec_xfer_mock_add(test, 0);
+		KUNIT_ASSERT_PTR_NE(test, mock, NULL);
+	}
+
+	/* For cros_ec_get_host_event_wake_mask(). */
+	{
+		mock = cros_kunit_ec_xfer_mock_addx(test, 0, EC_RES_INVALID_COMMAND, 0);
+		KUNIT_ASSERT_PTR_NE(test, mock, NULL);
+	}
+
+	cros_ec_proto_test_query_all_pretest(test);
+	ret = cros_ec_query_all(ec_dev);
+	KUNIT_EXPECT_EQ(test, ret, 0);
+
+	/* For cros_ec_host_command_proto_query() without passthru. */
+	{
+		mock = cros_kunit_ec_xfer_mock_next();
+		KUNIT_EXPECT_PTR_NE(test, mock, NULL);
+
+		KUNIT_EXPECT_EQ(test, mock->msg.version, 0);
+		KUNIT_EXPECT_EQ(test, mock->msg.command, EC_CMD_GET_PROTOCOL_INFO);
+		KUNIT_EXPECT_EQ(test, mock->msg.insize,
+				sizeof(struct ec_response_get_protocol_info));
+		KUNIT_EXPECT_EQ(test, mock->msg.outsize, 0);
+	}
+
+	/* For cros_ec_host_command_proto_query() with passthru. */
+	{
+		mock = cros_kunit_ec_xfer_mock_next();
+		KUNIT_EXPECT_PTR_NE(test, mock, NULL);
+
+		KUNIT_EXPECT_EQ(test, mock->msg.version, 0);
+		KUNIT_EXPECT_EQ(test, mock->msg.command,
+				EC_CMD_PASSTHRU_OFFSET(1) | EC_CMD_GET_PROTOCOL_INFO);
+		KUNIT_EXPECT_EQ(test, mock->msg.insize,
+				sizeof(struct ec_response_get_protocol_info));
+		KUNIT_EXPECT_EQ(test, mock->msg.outsize, 0);
+	}
+
+	/* For cros_ec_get_host_command_version_mask() for MKBP. */
+	{
+		mock = cros_kunit_ec_xfer_mock_next();
+		KUNIT_EXPECT_PTR_NE(test, mock, NULL);
+
+		KUNIT_EXPECT_EQ(test, mock->msg.version, 0);
+		KUNIT_EXPECT_EQ(test, mock->msg.command, EC_CMD_GET_CMD_VERSIONS);
+		KUNIT_EXPECT_EQ(test, mock->msg.insize,
+				sizeof(struct ec_response_get_cmd_versions));
+		KUNIT_EXPECT_EQ(test, mock->msg.outsize, sizeof(struct ec_params_get_cmd_versions));
+	}
+
+	/* For cros_ec_get_host_command_version_mask() for host sleep v1. */
+	{
+		mock = cros_kunit_ec_xfer_mock_next();
+		KUNIT_EXPECT_PTR_NE(test, mock, NULL);
+
+		KUNIT_EXPECT_EQ(test, mock->msg.version, 0);
+		KUNIT_EXPECT_EQ(test, mock->msg.command, EC_CMD_GET_CMD_VERSIONS);
+		KUNIT_EXPECT_EQ(test, mock->msg.insize,
+				sizeof(struct ec_response_get_cmd_versions));
+		KUNIT_EXPECT_EQ(test, mock->msg.outsize, sizeof(struct ec_params_get_cmd_versions));
+	}
+
+	/* For cros_ec_get_host_event_wake_mask(). */
+	{
+		u32 mask;
+
+		mock = cros_kunit_ec_xfer_mock_next();
+		KUNIT_EXPECT_PTR_NE(test, mock, NULL);
+
+		KUNIT_EXPECT_EQ(test, mock->msg.version, 0);
+		KUNIT_EXPECT_EQ(test, mock->msg.command, EC_CMD_HOST_EVENT_GET_WAKE_MASK);
+		KUNIT_EXPECT_EQ(test, mock->msg.insize, sizeof(struct ec_response_host_event_mask));
+		KUNIT_EXPECT_EQ(test, mock->msg.outsize, 0);
+
+		mask = ec_dev->host_event_wake_mask;
+		KUNIT_EXPECT_EQ(test, mask & EC_HOST_EVENT_MASK(EC_HOST_EVENT_LID_CLOSED), 0);
+		KUNIT_EXPECT_EQ(test, mask & EC_HOST_EVENT_MASK(EC_HOST_EVENT_AC_DISCONNECTED), 0);
+		KUNIT_EXPECT_EQ(test, mask & EC_HOST_EVENT_MASK(EC_HOST_EVENT_BATTERY_LOW), 0);
+		KUNIT_EXPECT_EQ(test, mask & EC_HOST_EVENT_MASK(EC_HOST_EVENT_BATTERY_CRITICAL), 0);
+		KUNIT_EXPECT_EQ(test, mask & EC_HOST_EVENT_MASK(EC_HOST_EVENT_BATTERY), 0);
+		KUNIT_EXPECT_EQ(test, mask & EC_HOST_EVENT_MASK(EC_HOST_EVENT_PD_MCU), 0);
+		KUNIT_EXPECT_EQ(test, mask & EC_HOST_EVENT_MASK(EC_HOST_EVENT_BATTERY_STATUS), 0);
+	}
+}
+
+static void cros_ec_proto_test_release(struct device *dev)
+{
+}
+
 static int cros_ec_proto_test_init(struct kunit *test)
 {
 	struct cros_ec_proto_test_priv *priv;
@@ -188,24 +962,52 @@ static int cros_ec_proto_test_init(struct kunit *test)
 	ec_dev->din = (u8 *)priv->din;
 	ec_dev->din_size = ARRAY_SIZE(priv->din);
 	ec_dev->proto_version = EC_HOST_REQUEST_VERSION;
+	ec_dev->dev = kunit_kzalloc(test, sizeof(*ec_dev->dev), GFP_KERNEL);
+	if (!ec_dev->dev)
+		return -ENOMEM;
+	device_initialize(ec_dev->dev);
+	dev_set_name(ec_dev->dev, "cros_ec_proto_test");
+	ec_dev->dev->release = cros_ec_proto_test_release;
+	ec_dev->cmd_xfer = cros_kunit_ec_xfer_mock;
+	ec_dev->pkt_xfer = cros_kunit_ec_xfer_mock;
 
 	priv->msg = (struct cros_ec_command *)priv->_msg;
 
+	cros_kunit_mock_reset();
+
 	return 0;
 }
 
+static void cros_ec_proto_test_exit(struct kunit *test)
+{
+	struct cros_ec_proto_test_priv *priv = test->priv;
+	struct cros_ec_device *ec_dev = &priv->ec_dev;
+
+	put_device(ec_dev->dev);
+}
+
 static struct kunit_case cros_ec_proto_test_cases[] = {
 	KUNIT_CASE(cros_ec_proto_test_prepare_tx_legacy_normal),
 	KUNIT_CASE(cros_ec_proto_test_prepare_tx_legacy_bad_msg_outsize),
 	KUNIT_CASE(cros_ec_proto_test_prepare_tx_normal),
 	KUNIT_CASE(cros_ec_proto_test_prepare_tx_bad_msg_outsize),
 	KUNIT_CASE(cros_ec_proto_test_check_result),
+	KUNIT_CASE(cros_ec_proto_test_query_all_normal),
+	KUNIT_CASE(cros_ec_proto_test_query_all_no_pd_return_error),
+	KUNIT_CASE(cros_ec_proto_test_query_all_legacy_normal_v3_return_error),
+	KUNIT_CASE(cros_ec_proto_test_query_all_legacy_xfer_error),
+	KUNIT_CASE(cros_ec_proto_test_query_all_legacy_return_error),
+	KUNIT_CASE(cros_ec_proto_test_query_all_legacy_data_error),
+	KUNIT_CASE(cros_ec_proto_test_query_all_no_mkbp),
+	KUNIT_CASE(cros_ec_proto_test_query_all_no_host_sleep),
+	KUNIT_CASE(cros_ec_proto_test_query_all_default_wake_mask_return_error),
 	{}
 };
 
 static struct kunit_suite cros_ec_proto_test_suite = {
 	.name = "cros_ec_proto_test",
 	.init = cros_ec_proto_test_init,
+	.exit = cros_ec_proto_test_exit,
 	.test_cases = cros_ec_proto_test_cases,
 };
 
diff --git a/drivers/platform/chrome/cros_kunit_util.c b/drivers/platform/chrome/cros_kunit_util.c
new file mode 100644
index 000000000000..e031777dea87
--- /dev/null
+++ b/drivers/platform/chrome/cros_kunit_util.c
@@ -0,0 +1,98 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * CrOS Kunit tests utilities.
+ */
+
+#include <kunit/test.h>
+
+#include <linux/list.h>
+#include <linux/minmax.h>
+#include <linux/platform_data/cros_ec_commands.h>
+#include <linux/platform_data/cros_ec_proto.h>
+
+#include "cros_ec.h"
+#include "cros_kunit_util.h"
+
+int cros_kunit_ec_xfer_mock_default_ret;
+EXPORT_SYMBOL_GPL(cros_kunit_ec_xfer_mock_default_ret);
+
+static struct list_head cros_kunit_ec_xfer_mock_in;
+static struct list_head cros_kunit_ec_xfer_mock_out;
+
+int cros_kunit_ec_xfer_mock(struct cros_ec_device *ec_dev, struct cros_ec_command *msg)
+{
+	struct ec_xfer_mock *mock;
+
+	mock = list_first_entry_or_null(&cros_kunit_ec_xfer_mock_in, struct ec_xfer_mock, list);
+	if (!mock)
+		return cros_kunit_ec_xfer_mock_default_ret;
+
+	list_del(&mock->list);
+
+	memcpy(&mock->msg, msg, sizeof(*msg));
+	if (msg->outsize) {
+		mock->i_data = kunit_kzalloc(mock->test, msg->outsize, GFP_KERNEL);
+		if (mock->i_data)
+			memcpy(mock->i_data, msg->data, msg->outsize);
+	}
+
+	msg->result = mock->result;
+	if (msg->insize)
+		memcpy(msg->data, mock->o_data, min(msg->insize, mock->o_data_len));
+
+	list_add_tail(&mock->list, &cros_kunit_ec_xfer_mock_out);
+
+	return mock->ret;
+}
+EXPORT_SYMBOL_GPL(cros_kunit_ec_xfer_mock);
+
+struct ec_xfer_mock *cros_kunit_ec_xfer_mock_add(struct kunit *test, size_t size)
+{
+	return cros_kunit_ec_xfer_mock_addx(test, size, EC_RES_SUCCESS, size);
+}
+EXPORT_SYMBOL_GPL(cros_kunit_ec_xfer_mock_add);
+
+struct ec_xfer_mock *cros_kunit_ec_xfer_mock_addx(struct kunit *test,
+						  int ret, int result, size_t size)
+{
+	struct ec_xfer_mock *mock;
+
+	mock = kunit_kzalloc(test, sizeof(*mock), GFP_KERNEL);
+	if (!mock)
+		return NULL;
+
+	list_add_tail(&mock->list, &cros_kunit_ec_xfer_mock_in);
+	mock->test = test;
+
+	mock->ret = ret;
+	mock->result = result;
+	mock->o_data = kunit_kzalloc(test, size, GFP_KERNEL);
+	if (!mock->o_data)
+		return NULL;
+	mock->o_data_len = size;
+
+	return mock;
+}
+EXPORT_SYMBOL_GPL(cros_kunit_ec_xfer_mock_addx);
+
+struct ec_xfer_mock *cros_kunit_ec_xfer_mock_next(void)
+{
+	struct ec_xfer_mock *mock;
+
+	mock = list_first_entry_or_null(&cros_kunit_ec_xfer_mock_out, struct ec_xfer_mock, list);
+	if (mock)
+		list_del(&mock->list);
+
+	return mock;
+}
+EXPORT_SYMBOL_GPL(cros_kunit_ec_xfer_mock_next);
+
+void cros_kunit_mock_reset(void)
+{
+	cros_kunit_ec_xfer_mock_default_ret = 0;
+	INIT_LIST_HEAD(&cros_kunit_ec_xfer_mock_in);
+	INIT_LIST_HEAD(&cros_kunit_ec_xfer_mock_out);
+}
+EXPORT_SYMBOL_GPL(cros_kunit_mock_reset);
+
+MODULE_LICENSE("GPL");
diff --git a/drivers/platform/chrome/cros_kunit_util.h b/drivers/platform/chrome/cros_kunit_util.h
new file mode 100644
index 000000000000..79c4525f873c
--- /dev/null
+++ b/drivers/platform/chrome/cros_kunit_util.h
@@ -0,0 +1,36 @@
+/* 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_ret;
+
+int cros_kunit_ec_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);
+
+void cros_kunit_mock_reset(void);
+
+#endif
-- 
2.36.1.255.ge46751e96f-goog


  parent reply	other threads:[~2022-06-09  8:50 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-06-09  8:49 [PATCH v4 00/21] platform/chrome: Kunit tests and refactor for cros_ec_query_all() Tzung-Bi Shih
2022-06-09  8:49 ` [PATCH v4 01/21] platform/chrome: cros_ec_commands: fix compile errors Tzung-Bi Shih
2022-06-09  8:49 ` Tzung-Bi Shih [this message]
2022-06-09  8:49 ` [PATCH v4 03/21] platform/chrome: use macros for passthru indexes Tzung-Bi Shih
2022-06-09  8:49 ` [PATCH v4 04/21] platform/chrome: cros_ec_proto: assign buffer size from protocol info Tzung-Bi Shih
2022-06-09  8:49 ` [PATCH v4 05/21] platform/chrome: cros_ec_proto: remove redundant NULL check Tzung-Bi Shih
2022-06-09  8:49 ` [PATCH v4 06/21] platform/chrome: cros_ec_proto: use cros_ec_map_error() Tzung-Bi Shih
2022-06-09  8:49 ` [PATCH v4 07/21] platform/chrome: cros_ec_proto: separate cros_ec_get_proto_info() Tzung-Bi Shih
2022-06-09  8:49 ` [PATCH v4 08/21] platform/chrome: cros_ec_proto: add Kunit tests for getting proto info Tzung-Bi Shih
2022-06-09  8:49 ` [PATCH v4 09/21] platform/chrome: cros_ec_proto: handle empty payload in " Tzung-Bi Shih
2022-06-09  8:49 ` [PATCH v4 10/21] platform/chrome: cros_ec_proto: separate cros_ec_get_proto_info_legacy() Tzung-Bi Shih
2022-06-09  8:49 ` [PATCH v4 11/21] platform/chrome: cros_ec_proto: add Kunit test for getting legacy info Tzung-Bi Shih
2022-06-09  8:49 ` [PATCH v4 12/21] platform/chrome: cros_ec_proto: handle empty payload in getting info legacy Tzung-Bi Shih
2022-06-09  8:49 ` [PATCH v4 13/21] platform/chrome: cros_ec_proto: don't show MKBP version if unsupported Tzung-Bi Shih
2022-06-09  8:49 ` [PATCH v4 14/21] platform/chrome: cros_ec_proto: return 0 on getting cmd mask success Tzung-Bi Shih
2022-06-09  8:49 ` [PATCH v4 15/21] platform/chrome: cros_ec_proto: add Kunit test for getting cmd mask error Tzung-Bi Shih
2022-06-09  8:49 ` [PATCH v4 16/21] platform/chrome: cros_ec_proto: check `msg->result` in getting cmd mask Tzung-Bi Shih
2022-06-09  8:49 ` [PATCH v4 17/21] platform/chrome: cros_ec_proto: add Kunit tests for " Tzung-Bi Shih
2022-06-09  8:49 ` [PATCH v4 18/21] platform/chrome: cros_ec_proto: handle empty payload in " Tzung-Bi Shih
2022-06-09  8:49 ` [PATCH v4 19/21] platform/chrome: cros_ec_proto: return 0 on getting wake mask success Tzung-Bi Shih
2022-06-09  8:49 ` [PATCH v4 20/21] platform/chrome: cros_ec_proto: add Kunit test for getting wake mask Tzung-Bi Shih
2022-06-09  8:49 ` [PATCH v4 21/21] platform/chrome: cros_ec_proto: handle empty payload in " Tzung-Bi Shih
2022-06-10  2:40 ` [PATCH v4 00/21] platform/chrome: Kunit tests and refactor for cros_ec_query_all() patchwork-bot+chrome-platform
2022-06-10  4:40 ` patchwork-bot+chrome-platform

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20220609084957.3684698-3-tzungbi@kernel.org \
    --to=tzungbi@kernel.org \
    --cc=bleung@chromium.org \
    --cc=chrome-platform@lists.linux.dev \
    --cc=groeck@chromium.org \
    --cc=linux-kernel@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.