diff options
Diffstat (limited to 'drivers/platform/chrome/cros_ec_proto_test.c')
| -rw-r--r-- | drivers/platform/chrome/cros_ec_proto_test.c | 2754 |
1 files changed, 2754 insertions, 0 deletions
diff --git a/drivers/platform/chrome/cros_ec_proto_test.c b/drivers/platform/chrome/cros_ec_proto_test.c new file mode 100644 index 000000000..b46a8bc21 --- /dev/null +++ b/drivers/platform/chrome/cros_ec_proto_test.c @@ -0,0 +1,2754 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Kunit tests for ChromeOS Embedded Controller protocol. + */ + +#include <kunit/test.h> + +#include <asm-generic/unaligned.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" + +#define BUFSIZE 512 + +struct cros_ec_proto_test_priv { + struct cros_ec_device ec_dev; + u8 dout[BUFSIZE]; + u8 din[BUFSIZE]; + struct cros_ec_command *msg; + u8 _msg[BUFSIZE]; +}; + +static void cros_ec_proto_test_prepare_tx_legacy_normal(struct kunit *test) +{ + struct cros_ec_proto_test_priv *priv = test->priv; + struct cros_ec_device *ec_dev = &priv->ec_dev; + struct cros_ec_command *msg = priv->msg; + int ret, i; + u8 csum; + + ec_dev->proto_version = 2; + + msg->command = EC_CMD_HELLO; + msg->outsize = EC_PROTO2_MAX_PARAM_SIZE; + msg->data[0] = 0xde; + msg->data[1] = 0xad; + msg->data[2] = 0xbe; + msg->data[3] = 0xef; + + ret = cros_ec_prepare_tx(ec_dev, msg); + + KUNIT_EXPECT_EQ(test, ret, EC_MSG_TX_PROTO_BYTES + EC_PROTO2_MAX_PARAM_SIZE); + KUNIT_EXPECT_EQ(test, ec_dev->dout[0], EC_CMD_VERSION0); + KUNIT_EXPECT_EQ(test, ec_dev->dout[1], EC_CMD_HELLO); + KUNIT_EXPECT_EQ(test, ec_dev->dout[2], EC_PROTO2_MAX_PARAM_SIZE); + KUNIT_EXPECT_EQ(test, EC_MSG_TX_HEADER_BYTES, 3); + KUNIT_EXPECT_EQ(test, ec_dev->dout[EC_MSG_TX_HEADER_BYTES + 0], 0xde); + KUNIT_EXPECT_EQ(test, ec_dev->dout[EC_MSG_TX_HEADER_BYTES + 1], 0xad); + KUNIT_EXPECT_EQ(test, ec_dev->dout[EC_MSG_TX_HEADER_BYTES + 2], 0xbe); + KUNIT_EXPECT_EQ(test, ec_dev->dout[EC_MSG_TX_HEADER_BYTES + 3], 0xef); + for (i = 4; i < EC_PROTO2_MAX_PARAM_SIZE; ++i) + KUNIT_EXPECT_EQ(test, ec_dev->dout[EC_MSG_TX_HEADER_BYTES + i], 0); + + csum = EC_CMD_VERSION0; + csum += EC_CMD_HELLO; + csum += EC_PROTO2_MAX_PARAM_SIZE; + csum += 0xde; + csum += 0xad; + csum += 0xbe; + csum += 0xef; + KUNIT_EXPECT_EQ(test, + ec_dev->dout[EC_MSG_TX_HEADER_BYTES + EC_PROTO2_MAX_PARAM_SIZE], + csum); +} + +static void cros_ec_proto_test_prepare_tx_legacy_bad_msg_outsize(struct kunit *test) +{ + struct cros_ec_proto_test_priv *priv = test->priv; + struct cros_ec_device *ec_dev = &priv->ec_dev; + struct cros_ec_command *msg = priv->msg; + int ret; + + ec_dev->proto_version = 2; + + msg->outsize = EC_PROTO2_MAX_PARAM_SIZE + 1; + + ret = cros_ec_prepare_tx(ec_dev, msg); + KUNIT_EXPECT_EQ(test, ret, -EINVAL); +} + +static void cros_ec_proto_test_prepare_tx_normal(struct kunit *test) +{ + struct cros_ec_proto_test_priv *priv = test->priv; + struct cros_ec_device *ec_dev = &priv->ec_dev; + struct cros_ec_command *msg = priv->msg; + struct ec_host_request *request = (struct ec_host_request *)ec_dev->dout; + int ret, i; + u8 csum; + + msg->command = EC_CMD_HELLO; + msg->outsize = 0x88; + msg->data[0] = 0xde; + msg->data[1] = 0xad; + msg->data[2] = 0xbe; + msg->data[3] = 0xef; + + ret = cros_ec_prepare_tx(ec_dev, msg); + + KUNIT_EXPECT_EQ(test, ret, sizeof(*request) + 0x88); + + KUNIT_EXPECT_EQ(test, request->struct_version, EC_HOST_REQUEST_VERSION); + KUNIT_EXPECT_EQ(test, request->command, EC_CMD_HELLO); + KUNIT_EXPECT_EQ(test, request->command_version, 0); + KUNIT_EXPECT_EQ(test, request->data_len, 0x88); + KUNIT_EXPECT_EQ(test, ec_dev->dout[sizeof(*request) + 0], 0xde); + KUNIT_EXPECT_EQ(test, ec_dev->dout[sizeof(*request) + 1], 0xad); + KUNIT_EXPECT_EQ(test, ec_dev->dout[sizeof(*request) + 2], 0xbe); + KUNIT_EXPECT_EQ(test, ec_dev->dout[sizeof(*request) + 3], 0xef); + for (i = 4; i < 0x88; ++i) + KUNIT_EXPECT_EQ(test, ec_dev->dout[sizeof(*request) + i], 0); + + csum = EC_HOST_REQUEST_VERSION; + csum += EC_CMD_HELLO; + csum += 0x88; + csum += 0xde; + csum += 0xad; + csum += 0xbe; + csum += 0xef; + KUNIT_EXPECT_EQ(test, request->checksum, (u8)-csum); +} + +static void cros_ec_proto_test_prepare_tx_bad_msg_outsize(struct kunit *test) +{ + struct cros_ec_proto_test_priv *priv = test->priv; + struct cros_ec_device *ec_dev = &priv->ec_dev; + struct cros_ec_command *msg = priv->msg; + int ret; + + msg->outsize = ec_dev->dout_size - sizeof(struct ec_host_request) + 1; + + ret = cros_ec_prepare_tx(ec_dev, msg); + KUNIT_EXPECT_EQ(test, ret, -EINVAL); +} + +static void cros_ec_proto_test_check_result(struct kunit *test) +{ + struct cros_ec_proto_test_priv *priv = test->priv; + struct cros_ec_device *ec_dev = &priv->ec_dev; + struct cros_ec_command *msg = priv->msg; + int ret, i; + static enum ec_status status[] = { + EC_RES_SUCCESS, + EC_RES_INVALID_COMMAND, + EC_RES_ERROR, + EC_RES_INVALID_PARAM, + EC_RES_ACCESS_DENIED, + EC_RES_INVALID_RESPONSE, + EC_RES_INVALID_VERSION, + EC_RES_INVALID_CHECKSUM, + EC_RES_UNAVAILABLE, + EC_RES_TIMEOUT, + EC_RES_OVERFLOW, + EC_RES_INVALID_HEADER, + EC_RES_REQUEST_TRUNCATED, + EC_RES_RESPONSE_TOO_BIG, + EC_RES_BUS_ERROR, + EC_RES_BUSY, + EC_RES_INVALID_HEADER_VERSION, + EC_RES_INVALID_HEADER_CRC, + EC_RES_INVALID_DATA_CRC, + EC_RES_DUP_UNAVAILABLE, + }; + + for (i = 0; i < ARRAY_SIZE(status); ++i) { + msg->result = status[i]; + ret = cros_ec_check_result(ec_dev, msg); + KUNIT_EXPECT_EQ(test, ret, 0); + } + + msg->result = EC_RES_IN_PROGRESS; + ret = cros_ec_check_result(ec_dev, msg); + 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_get_proto_info() 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_get_proto_info() 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_get_proto_info() 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_get_proto_info() 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(CROS_EC_DEV_PD_INDEX) | + 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_get_proto_info() 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_get_proto_info() 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_get_proto_info() 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_get_proto_info() 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(CROS_EC_DEV_PD_INDEX) | + 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_no_pd_return0(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_get_proto_info() 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_get_proto_info() with passthru. */ + { + mock = cros_kunit_ec_xfer_mock_add(test, 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_get_proto_info() 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_get_proto_info() 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(CROS_EC_DEV_PD_INDEX) | + 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_get_proto_info() 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_get_proto_info_legacy(). */ + { + 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_get_proto_info() 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_get_proto_info_legacy(). */ + { + 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_normal_v3_return0(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_get_proto_info() without passthru. */ + { + mock = cros_kunit_ec_xfer_mock_add(test, 0); + KUNIT_ASSERT_PTR_NE(test, mock, NULL); + } + + /* For cros_ec_get_proto_info_legacy(). */ + { + 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_get_proto_info() 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_get_proto_info_legacy(). */ + { + 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_get_proto_info() 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_get_proto_info_legacy(). */ + { + 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_get_proto_info() 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_get_proto_info_legacy(). */ + { + 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_get_proto_info() 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_get_proto_info_legacy(). */ + { + 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, -EOPNOTSUPP); + KUNIT_EXPECT_EQ(test, ec_dev->proto_version, EC_PROTO_VERSION_UNKNOWN); + + /* For cros_ec_get_proto_info() 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_get_proto_info_legacy(). */ + { + 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_get_proto_info() 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_get_proto_info_legacy(). */ + { + 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_get_proto_info() 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_get_proto_info_legacy(). */ + { + 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_return0(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_get_proto_info() 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_get_proto_info_legacy(). */ + { + mock = cros_kunit_ec_xfer_mock_add(test, 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, -EPROTO); + KUNIT_EXPECT_EQ(test, ec_dev->proto_version, EC_PROTO_VERSION_UNKNOWN); + + /* For cros_ec_get_proto_info() 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_get_proto_info_legacy(). */ + { + 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_get_proto_info() 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_get_proto_info() 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_get_proto_info() 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_get_proto_info() 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(CROS_EC_DEV_PD_INDEX) | + 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_mkbp_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->mkbp_event_supported = 0xbf; + + /* For cros_ec_get_proto_info() 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_get_proto_info() 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_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_get_proto_info() 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_get_proto_info() 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(CROS_EC_DEV_PD_INDEX) | + 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_mkbp_return0(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_get_proto_info() 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_get_proto_info() 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); + } + + cros_ec_proto_test_query_all_pretest(test); + ret = cros_ec_query_all(ec_dev); + KUNIT_EXPECT_EQ(test, ret, 0); + + /* For cros_ec_get_proto_info() 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_get_proto_info() 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(CROS_EC_DEV_PD_INDEX) | + 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_get_proto_info() 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_get_proto_info() 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_get_proto_info() 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_get_proto_info() 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(CROS_EC_DEV_PD_INDEX) | + 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_no_host_sleep_return0(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_get_proto_info() 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_get_proto_info() 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); + + /* In order to pollute next cros_ec_get_host_command_version_mask(). */ + data = (struct ec_response_get_cmd_versions *)mock->o_data; + data->version_mask = 0xbeef; + } + + /* 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); + } + + cros_ec_proto_test_query_all_pretest(test); + ret = cros_ec_query_all(ec_dev); + KUNIT_EXPECT_EQ(test, ret, 0); + + /* For cros_ec_get_proto_info() 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_get_proto_info() 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(CROS_EC_DEV_PD_INDEX) | + 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_get_proto_info() 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_get_proto_info() 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_get_proto_info() 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_get_proto_info() 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(CROS_EC_DEV_PD_INDEX) | + 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_query_all_default_wake_mask_return0(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_get_proto_info() 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_get_proto_info() 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 get_host_event_wake_mask(). */ + { + mock = cros_kunit_ec_xfer_mock_add(test, 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_get_proto_info() 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_get_proto_info() 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(CROS_EC_DEV_PD_INDEX) | + 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 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_cmd_xfer_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 { + struct cros_ec_command msg; + u8 data[0x100]; + } __packed buf; + + ec_dev->max_request = 0xff; + ec_dev->max_response = 0xee; + ec_dev->max_passthru = 0xdd; + + buf.msg.version = 0; + buf.msg.command = EC_CMD_HELLO; + buf.msg.insize = 4; + buf.msg.outsize = 2; + buf.data[0] = 0x55; + buf.data[1] = 0xaa; + + { + u8 *data; + + mock = cros_kunit_ec_xfer_mock_add(test, 4); + KUNIT_ASSERT_PTR_NE(test, mock, NULL); + + data = (u8 *)mock->o_data; + data[0] = 0xaa; + data[1] = 0x55; + data[2] = 0xcc; + data[3] = 0x33; + } + + ret = cros_ec_cmd_xfer(ec_dev, &buf.msg); + KUNIT_EXPECT_EQ(test, ret, 4); + + { + u8 *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, 4); + KUNIT_EXPECT_EQ(test, mock->msg.outsize, 2); + + data = (u8 *)mock->i_data; + KUNIT_EXPECT_EQ(test, data[0], 0x55); + KUNIT_EXPECT_EQ(test, data[1], 0xaa); + + KUNIT_EXPECT_EQ(test, buf.data[0], 0xaa); + KUNIT_EXPECT_EQ(test, buf.data[1], 0x55); + KUNIT_EXPECT_EQ(test, buf.data[2], 0xcc); + KUNIT_EXPECT_EQ(test, buf.data[3], 0x33); + } +} + +static void cros_ec_proto_test_cmd_xfer_excess_msg_insize(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 { + struct cros_ec_command msg; + u8 data[0x100]; + } __packed buf; + + ec_dev->max_request = 0xff; + ec_dev->max_response = 0xee; + ec_dev->max_passthru = 0xdd; + + buf.msg.version = 0; + buf.msg.command = EC_CMD_HELLO; + buf.msg.insize = 0xee + 1; + buf.msg.outsize = 2; + + { + mock = cros_kunit_ec_xfer_mock_add(test, 0xcc); + KUNIT_ASSERT_PTR_NE(test, mock, NULL); + } + + ret = cros_ec_cmd_xfer(ec_dev, &buf.msg); + KUNIT_EXPECT_EQ(test, ret, 0xcc); + + { + 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, 0xee); + KUNIT_EXPECT_EQ(test, mock->msg.outsize, 2); + } +} + +static void cros_ec_proto_test_cmd_xfer_excess_msg_outsize_without_passthru(struct kunit *test) +{ + struct cros_ec_proto_test_priv *priv = test->priv; + struct cros_ec_device *ec_dev = &priv->ec_dev; + int ret; + struct { + struct cros_ec_command msg; + u8 data[0x100]; + } __packed buf; + + ec_dev->max_request = 0xff; + ec_dev->max_response = 0xee; + ec_dev->max_passthru = 0xdd; + + buf.msg.version = 0; + buf.msg.command = EC_CMD_HELLO; + buf.msg.insize = 4; + buf.msg.outsize = 0xff + 1; + + ret = cros_ec_cmd_xfer(ec_dev, &buf.msg); + KUNIT_EXPECT_EQ(test, ret, -EMSGSIZE); +} + +static void cros_ec_proto_test_cmd_xfer_excess_msg_outsize_with_passthru(struct kunit *test) +{ + struct cros_ec_proto_test_priv *priv = test->priv; + struct cros_ec_device *ec_dev = &priv->ec_dev; + int ret; + struct { + struct cros_ec_command msg; + u8 data[0x100]; + } __packed buf; + + ec_dev->max_request = 0xff; + ec_dev->max_response = 0xee; + ec_dev->max_passthru = 0xdd; + + buf.msg.version = 0; + buf.msg.command = EC_CMD_PASSTHRU_OFFSET(CROS_EC_DEV_PD_INDEX) + EC_CMD_HELLO; + buf.msg.insize = 4; + buf.msg.outsize = 0xdd + 1; + + ret = cros_ec_cmd_xfer(ec_dev, &buf.msg); + KUNIT_EXPECT_EQ(test, ret, -EMSGSIZE); +} + +static void cros_ec_proto_test_cmd_xfer_protocol_v3_normal(struct kunit *test) +{ + struct cros_ec_proto_test_priv *priv = test->priv; + struct cros_ec_device *ec_dev = &priv->ec_dev; + int ret; + struct cros_ec_command msg; + + memset(&msg, 0, sizeof(msg)); + + ec_dev->proto_version = 3; + ec_dev->cmd_xfer = cros_kunit_ec_cmd_xfer_mock; + ec_dev->pkt_xfer = cros_kunit_ec_pkt_xfer_mock; + + ret = cros_ec_cmd_xfer(ec_dev, &msg); + KUNIT_EXPECT_EQ(test, ret, 0); + + KUNIT_EXPECT_EQ(test, cros_kunit_ec_cmd_xfer_mock_called, 0); + KUNIT_EXPECT_EQ(test, cros_kunit_ec_pkt_xfer_mock_called, 1); +} + +static void cros_ec_proto_test_cmd_xfer_protocol_v3_no_op(struct kunit *test) +{ + struct cros_ec_proto_test_priv *priv = test->priv; + struct cros_ec_device *ec_dev = &priv->ec_dev; + int ret; + struct cros_ec_command msg; + + memset(&msg, 0, sizeof(msg)); + + ec_dev->proto_version = 3; + ec_dev->cmd_xfer = cros_kunit_ec_cmd_xfer_mock; + ec_dev->pkt_xfer = NULL; + + ret = cros_ec_cmd_xfer(ec_dev, &msg); + KUNIT_EXPECT_EQ(test, ret, -EIO); +} + +static void cros_ec_proto_test_cmd_xfer_protocol_v2_normal(struct kunit *test) +{ + struct cros_ec_proto_test_priv *priv = test->priv; + struct cros_ec_device *ec_dev = &priv->ec_dev; + int ret; + struct cros_ec_command msg; + + memset(&msg, 0, sizeof(msg)); + + ec_dev->proto_version = 2; + ec_dev->cmd_xfer = cros_kunit_ec_cmd_xfer_mock; + ec_dev->pkt_xfer = cros_kunit_ec_pkt_xfer_mock; + + ret = cros_ec_cmd_xfer(ec_dev, &msg); + KUNIT_EXPECT_EQ(test, ret, 0); + + KUNIT_EXPECT_EQ(test, cros_kunit_ec_cmd_xfer_mock_called, 1); + KUNIT_EXPECT_EQ(test, cros_kunit_ec_pkt_xfer_mock_called, 0); +} + +static void cros_ec_proto_test_cmd_xfer_protocol_v2_no_op(struct kunit *test) +{ + struct cros_ec_proto_test_priv *priv = test->priv; + struct cros_ec_device *ec_dev = &priv->ec_dev; + int ret; + struct cros_ec_command msg; + + memset(&msg, 0, sizeof(msg)); + + ec_dev->proto_version = 2; + ec_dev->cmd_xfer = NULL; + ec_dev->pkt_xfer = cros_kunit_ec_pkt_xfer_mock; + + ret = cros_ec_cmd_xfer(ec_dev, &msg); + KUNIT_EXPECT_EQ(test, ret, -EIO); +} + +static void cros_ec_proto_test_cmd_xfer_in_progress_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_command msg; + + memset(&msg, 0, sizeof(msg)); + + ec_dev->pkt_xfer = cros_kunit_ec_pkt_xfer_mock; + + /* For the first host command to return EC_RES_IN_PROGRESS. */ + { + mock = cros_kunit_ec_xfer_mock_addx(test, 0, EC_RES_IN_PROGRESS, 0); + KUNIT_ASSERT_PTR_NE(test, mock, NULL); + } + + /* For EC_CMD_GET_COMMS_STATUS. */ + { + struct ec_response_get_comms_status *data; + + mock = cros_kunit_ec_xfer_mock_add(test, sizeof(*data)); + KUNIT_ASSERT_PTR_NE(test, mock, NULL); + + data = (struct ec_response_get_comms_status *)mock->o_data; + data->flags = 0; + } + + ret = cros_ec_cmd_xfer(ec_dev, &msg); + KUNIT_EXPECT_EQ(test, ret, sizeof(struct ec_response_get_comms_status)); + + KUNIT_EXPECT_EQ(test, msg.result, EC_RES_SUCCESS); + + /* For the first host command to return EC_RES_IN_PROGRESS. */ + { + mock = cros_kunit_ec_xfer_mock_next(); + KUNIT_EXPECT_PTR_NE(test, mock, NULL); + } + + /* For EC_CMD_GET_COMMS_STATUS. */ + { + 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_COMMS_STATUS); + KUNIT_EXPECT_EQ(test, mock->msg.insize, + sizeof(struct ec_response_get_comms_status)); + KUNIT_EXPECT_EQ(test, mock->msg.outsize, 0); + } + + KUNIT_EXPECT_EQ(test, cros_kunit_ec_pkt_xfer_mock_called, 2); +} + +static void cros_ec_proto_test_cmd_xfer_in_progress_retries_eagain(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_command msg; + + memset(&msg, 0, sizeof(msg)); + + ec_dev->pkt_xfer = cros_kunit_ec_pkt_xfer_mock; + + /* For the first host command to return EC_RES_IN_PROGRESS. */ + { + mock = cros_kunit_ec_xfer_mock_addx(test, 0, EC_RES_IN_PROGRESS, 0); + KUNIT_ASSERT_PTR_NE(test, mock, NULL); + } + + /* For EC_CMD_GET_COMMS_STATUS EC_COMMAND_RETRIES times. */ + cros_kunit_ec_xfer_mock_default_ret = -EAGAIN; + + ret = cros_ec_cmd_xfer(ec_dev, &msg); + KUNIT_EXPECT_EQ(test, ret, -EAGAIN); + + /* For EC_CMD_GET_COMMS_STATUS EC_COMMAND_RETRIES times. */ + KUNIT_EXPECT_EQ(test, cros_kunit_ec_pkt_xfer_mock_called, 51); +} + +static void cros_ec_proto_test_cmd_xfer_in_progress_retries_status_processing(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_command msg; + + memset(&msg, 0, sizeof(msg)); + + ec_dev->pkt_xfer = cros_kunit_ec_pkt_xfer_mock; + + /* For the first host command to return EC_RES_IN_PROGRESS. */ + { + mock = cros_kunit_ec_xfer_mock_addx(test, 0, EC_RES_IN_PROGRESS, 0); + KUNIT_ASSERT_PTR_NE(test, mock, NULL); + } + + /* For EC_CMD_GET_COMMS_STATUS EC_COMMAND_RETRIES times. */ + { + struct ec_response_get_comms_status *data; + int i; + + for (i = 0; i < 50; ++i) { + mock = cros_kunit_ec_xfer_mock_add(test, sizeof(*data)); + KUNIT_ASSERT_PTR_NE(test, mock, NULL); + + data = (struct ec_response_get_comms_status *)mock->o_data; + data->flags |= EC_COMMS_STATUS_PROCESSING; + } + } + + ret = cros_ec_cmd_xfer(ec_dev, &msg); + KUNIT_EXPECT_EQ(test, ret, -EAGAIN); + + /* For EC_CMD_GET_COMMS_STATUS EC_COMMAND_RETRIES times. */ + KUNIT_EXPECT_EQ(test, cros_kunit_ec_pkt_xfer_mock_called, 51); +} + +static void cros_ec_proto_test_cmd_xfer_in_progress_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_command msg; + + memset(&msg, 0, sizeof(msg)); + + /* For the first host command to return EC_RES_IN_PROGRESS. */ + { + mock = cros_kunit_ec_xfer_mock_addx(test, 0, EC_RES_IN_PROGRESS, 0); + KUNIT_ASSERT_PTR_NE(test, mock, NULL); + } + + /* For EC_CMD_GET_COMMS_STATUS. */ + { + mock = cros_kunit_ec_xfer_mock_addx(test, -EIO, EC_RES_SUCCESS, 0); + KUNIT_ASSERT_PTR_NE(test, mock, NULL); + } + + ret = cros_ec_cmd_xfer(ec_dev, &msg); + KUNIT_EXPECT_EQ(test, ret, -EIO); +} + +static void cros_ec_proto_test_cmd_xfer_in_progress_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; + struct cros_ec_command msg; + + memset(&msg, 0, sizeof(msg)); + + ec_dev->pkt_xfer = cros_kunit_ec_pkt_xfer_mock; + + /* For the first host command to return EC_RES_IN_PROGRESS. */ + { + mock = cros_kunit_ec_xfer_mock_addx(test, 0, EC_RES_IN_PROGRESS, 0); + KUNIT_ASSERT_PTR_NE(test, mock, NULL); + } + + /* For EC_CMD_GET_COMMS_STATUS. */ + { + mock = cros_kunit_ec_xfer_mock_addx(test, 0, EC_RES_INVALID_COMMAND, 0); + KUNIT_ASSERT_PTR_NE(test, mock, NULL); + } + + ret = cros_ec_cmd_xfer(ec_dev, &msg); + KUNIT_EXPECT_EQ(test, ret, 0); + + KUNIT_EXPECT_EQ(test, msg.result, EC_RES_INVALID_COMMAND); + + KUNIT_EXPECT_EQ(test, cros_kunit_ec_pkt_xfer_mock_called, 2); +} + +static void cros_ec_proto_test_cmd_xfer_in_progress_return0(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_command msg; + + memset(&msg, 0, sizeof(msg)); + + ec_dev->pkt_xfer = cros_kunit_ec_pkt_xfer_mock; + + /* For the first host command to return EC_RES_IN_PROGRESS. */ + { + mock = cros_kunit_ec_xfer_mock_addx(test, 0, EC_RES_IN_PROGRESS, 0); + KUNIT_ASSERT_PTR_NE(test, mock, NULL); + } + + /* For EC_CMD_GET_COMMS_STATUS. */ + { + mock = cros_kunit_ec_xfer_mock_add(test, 0); + KUNIT_ASSERT_PTR_NE(test, mock, NULL); + } + + ret = cros_ec_cmd_xfer(ec_dev, &msg); + KUNIT_EXPECT_EQ(test, ret, -EPROTO); + + KUNIT_EXPECT_EQ(test, cros_kunit_ec_pkt_xfer_mock_called, 2); +} + +static void cros_ec_proto_test_cmd_xfer_status_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_command msg; + + memset(&msg, 0, sizeof(msg)); + + /* For cros_ec_cmd_xfer(). */ + { + mock = cros_kunit_ec_xfer_mock_add(test, 0); + KUNIT_ASSERT_PTR_NE(test, mock, NULL); + } + + ret = cros_ec_cmd_xfer_status(ec_dev, &msg); + KUNIT_EXPECT_EQ(test, ret, 0); +} + +static void cros_ec_proto_test_cmd_xfer_status_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_command msg; + + memset(&msg, 0, sizeof(msg)); + + /* For cros_ec_cmd_xfer(). */ + { + mock = cros_kunit_ec_xfer_mock_addx(test, -EPROTO, EC_RES_SUCCESS, 0); + KUNIT_ASSERT_PTR_NE(test, mock, NULL); + } + + ret = cros_ec_cmd_xfer_status(ec_dev, &msg); + KUNIT_EXPECT_EQ(test, ret, -EPROTO); +} + +static void cros_ec_proto_test_cmd_xfer_status_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, i; + struct cros_ec_command msg; + static const int map[] = { + [EC_RES_SUCCESS] = 0, + [EC_RES_INVALID_COMMAND] = -EOPNOTSUPP, + [EC_RES_ERROR] = -EIO, + [EC_RES_INVALID_PARAM] = -EINVAL, + [EC_RES_ACCESS_DENIED] = -EACCES, + [EC_RES_INVALID_RESPONSE] = -EPROTO, + [EC_RES_INVALID_VERSION] = -ENOPROTOOPT, + [EC_RES_INVALID_CHECKSUM] = -EBADMSG, + /* + * EC_RES_IN_PROGRESS is special because cros_ec_send_command() has extra logic to + * handle it. Note that default cros_kunit_ec_xfer_mock_default_ret == 0 thus + * cros_ec_xfer_command() in cros_ec_wait_until_complete() returns 0. As a result, + * it returns -EPROTO without calling cros_ec_map_error(). + */ + [EC_RES_IN_PROGRESS] = -EPROTO, + [EC_RES_UNAVAILABLE] = -ENODATA, + [EC_RES_TIMEOUT] = -ETIMEDOUT, + [EC_RES_OVERFLOW] = -EOVERFLOW, + [EC_RES_INVALID_HEADER] = -EBADR, + [EC_RES_REQUEST_TRUNCATED] = -EBADR, + [EC_RES_RESPONSE_TOO_BIG] = -EFBIG, + [EC_RES_BUS_ERROR] = -EFAULT, + [EC_RES_BUSY] = -EBUSY, + [EC_RES_INVALID_HEADER_VERSION] = -EBADMSG, + [EC_RES_INVALID_HEADER_CRC] = -EBADMSG, + [EC_RES_INVALID_DATA_CRC] = -EBADMSG, + [EC_RES_DUP_UNAVAILABLE] = -ENODATA, + }; + + memset(&msg, 0, sizeof(msg)); + + for (i = 0; i < ARRAY_SIZE(map); ++i) { + mock = cros_kunit_ec_xfer_mock_addx(test, 0, i, 0); + KUNIT_ASSERT_PTR_NE(test, mock, NULL); + + ret = cros_ec_cmd_xfer_status(ec_dev, &msg); + KUNIT_EXPECT_EQ(test, ret, map[i]); + } +} + +static void cros_ec_proto_test_get_next_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; + struct ec_xfer_mock *mock; + int ret; + bool wake_event, more_events; + + ec_dev->max_request = 0xff; + ec_dev->max_response = 0xee; + ec_dev->mkbp_event_supported = 0; + + /* Set some garbage bytes. */ + wake_event = false; + more_events = true; + + /* For get_keyboard_state_event(). */ + { + union ec_response_get_next_data_v1 *data; + + mock = cros_kunit_ec_xfer_mock_add(test, sizeof(*data)); + KUNIT_ASSERT_PTR_NE(test, mock, NULL); + + data = (union ec_response_get_next_data_v1 *)mock->o_data; + data->host_event = 0xbeef; + } + + ret = cros_ec_get_next_event(ec_dev, &wake_event, &more_events); + KUNIT_EXPECT_EQ(test, ret, sizeof(union ec_response_get_next_data_v1)); + + KUNIT_EXPECT_EQ(test, ec_dev->event_data.event_type, EC_MKBP_EVENT_KEY_MATRIX); + KUNIT_EXPECT_EQ(test, ec_dev->event_data.data.host_event, 0xbeef); + + KUNIT_EXPECT_TRUE(test, wake_event); + KUNIT_EXPECT_FALSE(test, more_events); + + /* For get_keyboard_state_event(). */ + { + 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_MKBP_STATE); + KUNIT_EXPECT_EQ(test, mock->msg.insize, sizeof(union ec_response_get_next_data_v1)); + KUNIT_EXPECT_EQ(test, mock->msg.outsize, 0); + } +} + +static void cros_ec_proto_test_get_next_event_mkbp_event_ec_suspended(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->suspended = true; + + ret = cros_ec_get_next_event(ec_dev, NULL, NULL); + KUNIT_EXPECT_EQ(test, ret, -EHOSTDOWN); +} + +static void cros_ec_proto_test_get_next_event_mkbp_event_version0(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; + bool wake_event, more_events; + + ec_dev->max_request = 0xff; + ec_dev->max_response = 0xee; + ec_dev->mkbp_event_supported = 1; + + /* Set some garbage bytes. */ + wake_event = true; + more_events = false; + + /* For get_next_event_xfer(). */ + { + struct ec_response_get_next_event *data; + + mock = cros_kunit_ec_xfer_mock_add(test, sizeof(*data)); + KUNIT_ASSERT_PTR_NE(test, mock, NULL); + + data = (struct ec_response_get_next_event *)mock->o_data; + data->event_type = EC_MKBP_EVENT_SENSOR_FIFO | EC_MKBP_HAS_MORE_EVENTS; + data->data.sysrq = 0xbeef; + } + + ret = cros_ec_get_next_event(ec_dev, &wake_event, &more_events); + KUNIT_EXPECT_EQ(test, ret, sizeof(struct ec_response_get_next_event)); + + KUNIT_EXPECT_EQ(test, ec_dev->event_data.event_type, EC_MKBP_EVENT_SENSOR_FIFO); + KUNIT_EXPECT_EQ(test, ec_dev->event_data.data.sysrq, 0xbeef); + + KUNIT_EXPECT_FALSE(test, wake_event); + KUNIT_EXPECT_TRUE(test, more_events); + + /* For get_next_event_xfer(). */ + { + 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_NEXT_EVENT); + KUNIT_EXPECT_EQ(test, mock->msg.insize, sizeof(struct ec_response_get_next_event)); + KUNIT_EXPECT_EQ(test, mock->msg.outsize, 0); + } +} + +static void cros_ec_proto_test_get_next_event_mkbp_event_version2(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; + bool wake_event, more_events; + + ec_dev->max_request = 0xff; + ec_dev->max_response = 0xee; + ec_dev->mkbp_event_supported = 3; + + /* Set some garbage bytes. */ + wake_event = false; + more_events = true; + + /* For get_next_event_xfer(). */ + { + struct ec_response_get_next_event_v1 *data; + + mock = cros_kunit_ec_xfer_mock_add(test, sizeof(*data)); + KUNIT_ASSERT_PTR_NE(test, mock, NULL); + + data = (struct ec_response_get_next_event_v1 *)mock->o_data; + data->event_type = EC_MKBP_EVENT_FINGERPRINT; + data->data.sysrq = 0xbeef; + } + + ret = cros_ec_get_next_event(ec_dev, &wake_event, &more_events); + KUNIT_EXPECT_EQ(test, ret, sizeof(struct ec_response_get_next_event_v1)); + + KUNIT_EXPECT_EQ(test, ec_dev->event_data.event_type, EC_MKBP_EVENT_FINGERPRINT); + KUNIT_EXPECT_EQ(test, ec_dev->event_data.data.sysrq, 0xbeef); + + KUNIT_EXPECT_TRUE(test, wake_event); + KUNIT_EXPECT_FALSE(test, more_events); + + /* For get_next_event_xfer(). */ + { + mock = cros_kunit_ec_xfer_mock_next(); + KUNIT_EXPECT_PTR_NE(test, mock, NULL); + + KUNIT_EXPECT_EQ(test, mock->msg.version, 2); + KUNIT_EXPECT_EQ(test, mock->msg.command, EC_CMD_GET_NEXT_EVENT); + KUNIT_EXPECT_EQ(test, mock->msg.insize, + sizeof(struct ec_response_get_next_event_v1)); + KUNIT_EXPECT_EQ(test, mock->msg.outsize, 0); + } +} + +static void cros_ec_proto_test_get_next_event_mkbp_event_host_event_rtc(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; + bool wake_event; + struct ec_response_get_next_event_v1 *data; + + ec_dev->max_request = 0xff; + ec_dev->max_response = 0xee; + ec_dev->mkbp_event_supported = 3; + ec_dev->host_event_wake_mask = U32_MAX; + + /* Set some garbage bytes. */ + wake_event = true; + + /* For get_next_event_xfer(). */ + { + mock = cros_kunit_ec_xfer_mock_add(test, + sizeof(data->event_type) + + sizeof(data->data.host_event)); + KUNIT_ASSERT_PTR_NE(test, mock, NULL); + + data = (struct ec_response_get_next_event_v1 *)mock->o_data; + data->event_type = EC_MKBP_EVENT_HOST_EVENT; + put_unaligned_le32(EC_HOST_EVENT_MASK(EC_HOST_EVENT_RTC), &data->data.host_event); + } + + ret = cros_ec_get_next_event(ec_dev, &wake_event, NULL); + KUNIT_EXPECT_EQ(test, ret, sizeof(data->event_type) + sizeof(data->data.host_event)); + + KUNIT_EXPECT_EQ(test, ec_dev->event_data.event_type, EC_MKBP_EVENT_HOST_EVENT); + + KUNIT_EXPECT_FALSE(test, wake_event); + + /* For get_next_event_xfer(). */ + { + mock = cros_kunit_ec_xfer_mock_next(); + KUNIT_EXPECT_PTR_NE(test, mock, NULL); + + KUNIT_EXPECT_EQ(test, mock->msg.version, 2); + KUNIT_EXPECT_EQ(test, mock->msg.command, EC_CMD_GET_NEXT_EVENT); + KUNIT_EXPECT_EQ(test, mock->msg.insize, + sizeof(struct ec_response_get_next_event_v1)); + KUNIT_EXPECT_EQ(test, mock->msg.outsize, 0); + } +} + +static void cros_ec_proto_test_get_next_event_mkbp_event_host_event_masked(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; + bool wake_event; + struct ec_response_get_next_event_v1 *data; + + ec_dev->max_request = 0xff; + ec_dev->max_response = 0xee; + ec_dev->mkbp_event_supported = 3; + ec_dev->host_event_wake_mask = U32_MAX & ~EC_HOST_EVENT_MASK(EC_HOST_EVENT_AC_DISCONNECTED); + + /* Set some garbage bytes. */ + wake_event = true; + + /* For get_next_event_xfer(). */ + { + mock = cros_kunit_ec_xfer_mock_add(test, + sizeof(data->event_type) + + sizeof(data->data.host_event)); + KUNIT_ASSERT_PTR_NE(test, mock, NULL); + + data = (struct ec_response_get_next_event_v1 *)mock->o_data; + data->event_type = EC_MKBP_EVENT_HOST_EVENT; + put_unaligned_le32(EC_HOST_EVENT_MASK(EC_HOST_EVENT_AC_DISCONNECTED), + &data->data.host_event); + } + + ret = cros_ec_get_next_event(ec_dev, &wake_event, NULL); + KUNIT_EXPECT_EQ(test, ret, sizeof(data->event_type) + sizeof(data->data.host_event)); + + KUNIT_EXPECT_EQ(test, ec_dev->event_data.event_type, EC_MKBP_EVENT_HOST_EVENT); + + KUNIT_EXPECT_FALSE(test, wake_event); + + /* For get_next_event_xfer(). */ + { + mock = cros_kunit_ec_xfer_mock_next(); + KUNIT_EXPECT_PTR_NE(test, mock, NULL); + + KUNIT_EXPECT_EQ(test, mock->msg.version, 2); + KUNIT_EXPECT_EQ(test, mock->msg.command, EC_CMD_GET_NEXT_EVENT); + KUNIT_EXPECT_EQ(test, mock->msg.insize, + sizeof(struct ec_response_get_next_event_v1)); + KUNIT_EXPECT_EQ(test, mock->msg.outsize, 0); + } +} + +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_check_features_cached(struct kunit *test) +{ + int ret, i; + struct cros_ec_dev ec; + + ec.features.flags[0] = EC_FEATURE_MASK_0(EC_FEATURE_FINGERPRINT); + ec.features.flags[1] = EC_FEATURE_MASK_0(EC_FEATURE_SCP); + + for (i = 0; i < EC_FEATURE_TYPEC_MUX_REQUIRE_AP_ACK; ++i) { + ret = cros_ec_check_features(&ec, i); + switch (i) { + case EC_FEATURE_FINGERPRINT: + case EC_FEATURE_SCP: + KUNIT_EXPECT_TRUE(test, ret); + break; + default: + KUNIT_EXPECT_FALSE(test, ret); + break; + } + } +} + +static void cros_ec_proto_test_check_features_not_cached(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; + + ec_dev->max_request = 0xff; + ec_dev->max_response = 0xee; + ec.ec_dev = ec_dev; + ec.dev = ec_dev->dev; + ec.cmd_offset = 0; + ec.features.flags[0] = -1; + ec.features.flags[1] = -1; + + /* For EC_CMD_GET_FEATURES. */ + { + struct ec_response_get_features *data; + + mock = cros_kunit_ec_xfer_mock_add(test, sizeof(*data)); + KUNIT_ASSERT_PTR_NE(test, mock, NULL); + + data = (struct ec_response_get_features *)mock->o_data; + data->flags[0] = EC_FEATURE_MASK_0(EC_FEATURE_FINGERPRINT); + data->flags[1] = EC_FEATURE_MASK_0(EC_FEATURE_SCP); + } + + for (i = 0; i < EC_FEATURE_TYPEC_MUX_REQUIRE_AP_ACK; ++i) { + ret = cros_ec_check_features(&ec, i); + switch (i) { + case EC_FEATURE_FINGERPRINT: + case EC_FEATURE_SCP: + KUNIT_EXPECT_TRUE(test, ret); + break; + default: + KUNIT_EXPECT_FALSE(test, ret); + break; + } + } + + /* For EC_CMD_GET_FEATURES. */ + { + 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_FEATURES); + KUNIT_EXPECT_EQ(test, mock->msg.insize, sizeof(struct ec_response_get_features)); + KUNIT_EXPECT_EQ(test, mock->msg.outsize, 0); + } +} + +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_ec_cmd(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; + u8 out[3], in[2]; + + ec_dev->max_request = 0xff; + ec_dev->max_response = 0xee; + + out[0] = 0xdd; + out[1] = 0xcc; + out[2] = 0xbb; + + { + u8 *data; + + mock = cros_kunit_ec_xfer_mock_add(test, 2); + KUNIT_ASSERT_PTR_NE(test, mock, NULL); + + data = (u8 *)mock->o_data; + data[0] = 0xaa; + data[1] = 0x99; + } + + ret = cros_ec_cmd(ec_dev, 0x88, 0x77, out, ARRAY_SIZE(out), in, ARRAY_SIZE(in)); + KUNIT_EXPECT_EQ(test, ret, 2); + + { + u8 *data; + + mock = cros_kunit_ec_xfer_mock_next(); + KUNIT_EXPECT_PTR_NE(test, mock, NULL); + + KUNIT_EXPECT_EQ(test, mock->msg.version, 0x88); + KUNIT_EXPECT_EQ(test, mock->msg.command, 0x77); + KUNIT_EXPECT_EQ(test, mock->msg.insize, ARRAY_SIZE(in)); + KUNIT_EXPECT_EQ(test, mock->msg.outsize, ARRAY_SIZE(out)); + + data = (u8 *)mock->i_data; + KUNIT_EXPECT_EQ(test, data[0], 0xdd); + KUNIT_EXPECT_EQ(test, data[1], 0xcc); + KUNIT_EXPECT_EQ(test, data[2], 0xbb); + } +} + +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; + struct cros_ec_device *ec_dev; + + priv = kunit_kzalloc(test, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + test->priv = priv; + + ec_dev = &priv->ec_dev; + ec_dev->dout = (u8 *)priv->dout; + ec_dev->dout_size = ARRAY_SIZE(priv->dout); + 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; + mutex_init(&ec_dev->lock); + + 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_no_pd_return0), + KUNIT_CASE(cros_ec_proto_test_query_all_legacy_normal_v3_return_error), + KUNIT_CASE(cros_ec_proto_test_query_all_legacy_normal_v3_return0), + 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_legacy_return0), + KUNIT_CASE(cros_ec_proto_test_query_all_no_mkbp), + KUNIT_CASE(cros_ec_proto_test_query_all_no_mkbp_return_error), + KUNIT_CASE(cros_ec_proto_test_query_all_no_mkbp_return0), + KUNIT_CASE(cros_ec_proto_test_query_all_no_host_sleep), + KUNIT_CASE(cros_ec_proto_test_query_all_no_host_sleep_return0), + KUNIT_CASE(cros_ec_proto_test_query_all_default_wake_mask_return_error), + KUNIT_CASE(cros_ec_proto_test_query_all_default_wake_mask_return0), + KUNIT_CASE(cros_ec_proto_test_cmd_xfer_normal), + KUNIT_CASE(cros_ec_proto_test_cmd_xfer_excess_msg_insize), + KUNIT_CASE(cros_ec_proto_test_cmd_xfer_excess_msg_outsize_without_passthru), + KUNIT_CASE(cros_ec_proto_test_cmd_xfer_excess_msg_outsize_with_passthru), + KUNIT_CASE(cros_ec_proto_test_cmd_xfer_protocol_v3_normal), + KUNIT_CASE(cros_ec_proto_test_cmd_xfer_protocol_v3_no_op), + KUNIT_CASE(cros_ec_proto_test_cmd_xfer_protocol_v2_normal), + KUNIT_CASE(cros_ec_proto_test_cmd_xfer_protocol_v2_no_op), + KUNIT_CASE(cros_ec_proto_test_cmd_xfer_in_progress_normal), + KUNIT_CASE(cros_ec_proto_test_cmd_xfer_in_progress_retries_eagain), + KUNIT_CASE(cros_ec_proto_test_cmd_xfer_in_progress_retries_status_processing), + KUNIT_CASE(cros_ec_proto_test_cmd_xfer_in_progress_xfer_error), + KUNIT_CASE(cros_ec_proto_test_cmd_xfer_in_progress_return_error), + KUNIT_CASE(cros_ec_proto_test_cmd_xfer_in_progress_return0), + KUNIT_CASE(cros_ec_proto_test_cmd_xfer_status_normal), + KUNIT_CASE(cros_ec_proto_test_cmd_xfer_status_xfer_error), + KUNIT_CASE(cros_ec_proto_test_cmd_xfer_status_return_error), + KUNIT_CASE(cros_ec_proto_test_get_next_event_no_mkbp_event), + KUNIT_CASE(cros_ec_proto_test_get_next_event_mkbp_event_ec_suspended), + KUNIT_CASE(cros_ec_proto_test_get_next_event_mkbp_event_version0), + 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), + 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), + KUNIT_CASE(cros_ec_proto_test_ec_cmd), + {} +}; + +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, +}; + +kunit_test_suite(cros_ec_proto_test_suite); + +MODULE_LICENSE("GPL"); |