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Diffstat (limited to 'test/cbi.c')
| -rw-r--r-- | test/cbi.c | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/test/cbi.c b/test/cbi.c new file mode 100644 index 0000000000..936dc204b8 --- /dev/null +++ b/test/cbi.c @@ -0,0 +1,199 @@ +/* Copyright 2020 The Chromium OS Authors. All rights reserved. + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + * + * Test CBI + */ + +#include "common.h" +#include "console.h" +#include "cros_board_info.h" +#include "gpio.h" +#include "i2c.h" +#include "test_util.h" +#include "util.h" + +void before_test(void) +{ + cbi_create(); + cbi_write(); +} + +static int test_uint8(void) +{ + uint8_t d8; + uint32_t d32; + uint8_t size; + const int tag = 0xff; + + /* Set & get uint8_t */ + d8 = 0xa5; + TEST_ASSERT(cbi_set_board_info(tag, &d8, sizeof(d8)) == EC_SUCCESS); + size = 1; + TEST_ASSERT(cbi_get_board_info(tag, &d8, &size) == EC_SUCCESS); + TEST_EQ(d8, 0xa5, "0x%x"); + TEST_EQ(size, 1, "%x"); + + /* Size-up */ + d32 = 0x1234abcd; + TEST_ASSERT(cbi_set_board_info(tag, (void *)&d32, sizeof(d32)) + == EC_SUCCESS); + size = 4; + TEST_ASSERT(cbi_get_board_info(tag, (void *)&d32, &size) == EC_SUCCESS); + TEST_EQ(d32, 0x1234abcd, "0x%x"); + TEST_EQ(size, 4, "%u"); + + return EC_SUCCESS; +} + +static int test_uint32(void) +{ + uint8_t d8; + uint32_t d32; + uint8_t size; + const int tag = 0xff; + + /* Set & get uint32_t */ + d32 = 0x1234abcd; + TEST_ASSERT(cbi_set_board_info(tag, (void *)&d32, sizeof(d32)) + == EC_SUCCESS); + size = 4; + TEST_ASSERT(cbi_get_board_info(tag, (void *)&d32, &size) == EC_SUCCESS); + TEST_EQ(d32, 0x1234abcd, "0x%x"); + TEST_EQ(size, 4, "%u"); + + /* Size-down */ + d8 = 0xa5; + TEST_ASSERT(cbi_set_board_info(tag, &d8, sizeof(d8)) == EC_SUCCESS); + size = 1; + TEST_ASSERT(cbi_get_board_info(tag, &d8, &size) == EC_SUCCESS); + TEST_EQ(d8, 0xa5, "0x%x"); + TEST_EQ(size, 1, "%u"); + + return EC_SUCCESS; +} + +static int test_string(void) +{ + const uint8_t string[] = "abcdefghijklmn"; + uint8_t buf[32]; + uint8_t size; + const int tag = 0xff; + + /* Set & get string */ + TEST_ASSERT(cbi_set_board_info(tag, string, sizeof(string)) + == EC_SUCCESS); + size = sizeof(buf); + TEST_ASSERT(cbi_get_board_info(tag, buf, &size) == EC_SUCCESS); + TEST_ASSERT(strncmp(buf, string, sizeof(string)) == 0); + /* Size contains null byte */ + TEST_EQ((size_t)size - 1, strlen(buf), "%zu"); + + /* Read buffer too small */ + size = 4; + TEST_ASSERT(cbi_get_board_info(tag, buf, &size) == EC_ERROR_INVAL); + + return EC_SUCCESS; +} + +static int test_not_found(void) +{ + uint8_t d8; + const int tag = 0xff; + uint8_t size; + + size = 1; + TEST_ASSERT(cbi_get_board_info(tag, &d8, &size) == EC_ERROR_UNKNOWN); + + return EC_SUCCESS; +} + +static int test_too_large(void) +{ + uint8_t buf[CBI_EEPROM_SIZE-1]; + const int tag = 0xff; + + /* Data too large */ + memset(buf, 0xa5, sizeof(buf)); + TEST_ASSERT(cbi_set_board_info(tag, buf, sizeof(buf)) + == EC_ERROR_OVERFLOW); + + return EC_SUCCESS; +} + +static int test_all_tags(void) +{ + uint8_t d8; + uint32_t d32; + + /* Populate all data and read out */ + d8 = 0x12; + TEST_ASSERT(cbi_set_board_info(CBI_TAG_BOARD_VERSION, &d8, sizeof(d8)) + == EC_SUCCESS); + TEST_ASSERT(cbi_set_board_info(CBI_TAG_OEM_ID, &d8, sizeof(d8)) + == EC_SUCCESS); + TEST_ASSERT(cbi_set_board_info(CBI_TAG_SKU_ID, &d8, sizeof(d8)) + == EC_SUCCESS); + TEST_ASSERT(cbi_set_board_info(CBI_TAG_MODEL_ID, &d8, sizeof(d8)) + == EC_SUCCESS); + TEST_ASSERT(cbi_set_board_info(CBI_TAG_FW_CONFIG, &d8, sizeof(d8)) + == EC_SUCCESS); + TEST_ASSERT(cbi_set_board_info(CBI_TAG_PCB_SUPPLIER, &d8, sizeof(d8)) + == EC_SUCCESS); + TEST_ASSERT(cbi_set_board_info(CBI_TAG_SSFC, &d8, sizeof(d8)) + == EC_SUCCESS); + TEST_ASSERT(cbi_get_board_version(&d32) == EC_SUCCESS); + TEST_EQ(d32, d8, "0x%x"); + TEST_ASSERT(cbi_get_oem_id(&d32) == EC_SUCCESS); + TEST_EQ(d32, d8, "0x%x"); + TEST_ASSERT(cbi_get_sku_id(&d32) == EC_SUCCESS); + TEST_EQ(d32, d8, "0x%x"); + TEST_ASSERT(cbi_get_model_id(&d32) == EC_SUCCESS); + TEST_EQ(d32, d8, "0x%x"); + TEST_ASSERT(cbi_get_fw_config(&d32) == EC_SUCCESS); + TEST_EQ(d32, d8, "0x%x"); + TEST_ASSERT(cbi_get_pcb_supplier(&d32) == EC_SUCCESS); + TEST_EQ(d32, d8, "0x%x"); + TEST_ASSERT(cbi_get_ssfc(&d32) == EC_SUCCESS); + TEST_EQ(d32, d8, "0x%x"); + + /* Write protect */ + gpio_set_level(GPIO_WP, 1); + TEST_ASSERT(cbi_write() == EC_ERROR_ACCESS_DENIED); + + return EC_SUCCESS; +} + +static int test_bad_crc(void) +{ + uint8_t d8; + const int tag = 0xff; + uint8_t size; + int crc; + + /* Bad CRC */ + d8 = 0xa5; + TEST_ASSERT(cbi_set_board_info(tag, &d8, sizeof(d8)) == EC_SUCCESS); + i2c_read8(I2C_PORT_EEPROM, I2C_ADDR_EEPROM_FLAGS, + offsetof(struct cbi_header, crc), &crc); + i2c_write8(I2C_PORT_EEPROM, I2C_ADDR_EEPROM_FLAGS, + offsetof(struct cbi_header, crc), ++crc); + cbi_invalidate_cache(); + size = sizeof(d8); + TEST_ASSERT(cbi_get_board_info(tag, &d8, &size) == EC_ERROR_UNKNOWN); + + return EC_SUCCESS; +} + +void run_test(int argc, char **argv) +{ + RUN_TEST(test_uint8); + RUN_TEST(test_uint32); + RUN_TEST(test_string); + RUN_TEST(test_not_found); + RUN_TEST(test_too_large); + RUN_TEST(test_all_tags); + RUN_TEST(test_bad_crc); + + test_print_result(); +} |