| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <dimm_info_util.h> |
| #include <spd.h> |
| #include <tests/test.h> |
| |
| static void test_smbios_bus_width_to_spd_width(void **state) |
| { |
| /* Non-ECC variants */ |
| assert_int_equal(MEMORY_BUS_WIDTH_64, smbios_bus_width_to_spd_width(64, 64)); |
| assert_int_equal(MEMORY_BUS_WIDTH_32, smbios_bus_width_to_spd_width(32, 32)); |
| assert_int_equal(MEMORY_BUS_WIDTH_16, smbios_bus_width_to_spd_width(16, 16)); |
| assert_int_equal(MEMORY_BUS_WIDTH_8, smbios_bus_width_to_spd_width(8, 8)); |
| /* Incorrect data width. Fallback to 8-bit */ |
| assert_int_equal(MEMORY_BUS_WIDTH_8, smbios_bus_width_to_spd_width(15, 15)); |
| |
| /* ECC variants */ |
| assert_int_equal(MEMORY_BUS_WIDTH_64 | SPD_ECC_8BIT, |
| smbios_bus_width_to_spd_width(64 + 8, 64)); |
| assert_int_equal(MEMORY_BUS_WIDTH_32 | SPD_ECC_8BIT, |
| smbios_bus_width_to_spd_width(32 + 8, 32)); |
| assert_int_equal(MEMORY_BUS_WIDTH_16 | SPD_ECC_8BIT, |
| smbios_bus_width_to_spd_width(16 + 8, 16)); |
| assert_int_equal(MEMORY_BUS_WIDTH_8 | SPD_ECC_8BIT, |
| smbios_bus_width_to_spd_width(8 + 8, 8)); |
| /* Incorrect data width. Fallback to 8-bit */ |
| assert_int_equal(MEMORY_BUS_WIDTH_8 | SPD_ECC_8BIT, |
| smbios_bus_width_to_spd_width(15 + 8, 15)); |
| } |
| |
| static void test_smbios_memory_size_to_mib(void **state) |
| { |
| uint32_t extended_size; |
| uint16_t memory_size; |
| |
| /* Unknown memory size */ |
| assert_int_equal(0, smbios_memory_size_to_mib(0xFFFF, 0)); |
| assert_int_equal(0, smbios_memory_size_to_mib(0xFFFF, 0xFFFF)); |
| assert_int_equal(0, smbios_memory_size_to_mib(0xFFFF, 87642)); |
| |
| /* 32GiB - 1MiB */ |
| extended_size = 0; |
| assert_int_equal(extended_size, smbios_memory_size_to_mib(0x7FFF, extended_size)); |
| extended_size = 0xFFFFFFFF; |
| assert_int_equal(extended_size, smbios_memory_size_to_mib(0x7FFF, extended_size)); |
| extended_size = 0xDEDE6666; |
| assert_int_equal(extended_size, smbios_memory_size_to_mib(0x7FFF, extended_size)); |
| |
| /* Memory size in KiB when MSB is flipped */ |
| memory_size = 0x0 & 0x8000; /* Zero bytes */ |
| assert_int_equal(0, smbios_memory_size_to_mib(memory_size, 0)); |
| assert_int_equal(0, smbios_memory_size_to_mib(memory_size, 0xFFFFFFFF)); |
| assert_int_equal(0, smbios_memory_size_to_mib(memory_size, 2345568)); |
| memory_size = (31 * KiB) | 0x8000; |
| assert_int_equal(31, smbios_memory_size_to_mib(memory_size, 0)); |
| assert_int_equal(31, smbios_memory_size_to_mib(memory_size, 0xFFFFFFFF)); |
| assert_int_equal(31, smbios_memory_size_to_mib(memory_size, 72594344)); |
| |
| /* Value in MiB Only when memory size is not 0xFFFF and 0x7FFF and MSB is not set */ |
| memory_size = 32766; /* value in MiB */ |
| assert_int_equal(memory_size, smbios_memory_size_to_mib(memory_size, 0)); |
| assert_int_equal(memory_size, smbios_memory_size_to_mib(memory_size, 0xFFFFFFFF)); |
| assert_int_equal(memory_size, smbios_memory_size_to_mib(memory_size, 694735)); |
| } |
| |
| static void test_smbios_form_factor_to_spd_mod_type(void **state) |
| { |
| /* Form factors defined in coreboot */ |
| const LargestIntegralType udimm_allowed[] = { |
| SPD_UDIMM, SPD_MICRO_DIMM, SPD_MINI_UDIMM, |
| }; |
| assert_in_set(smbios_form_factor_to_spd_mod_type(MEMORY_FORMFACTOR_DIMM), |
| udimm_allowed, ARRAY_SIZE(udimm_allowed)); |
| |
| const LargestIntegralType rdimm_allowed[] = { SPD_RDIMM, SPD_MINI_RDIMM }; |
| assert_in_set(smbios_form_factor_to_spd_mod_type(MEMORY_FORMFACTOR_RIMM), |
| rdimm_allowed, ARRAY_SIZE(rdimm_allowed)); |
| |
| assert_int_equal(SPD_SODIMM, |
| smbios_form_factor_to_spd_mod_type(MEMORY_FORMFACTOR_SODIMM)); |
| |
| const smbios_memory_form_factor undefined_factors[] = { |
| MEMORY_FORMFACTOR_OTHER, |
| MEMORY_FORMFACTOR_UNKNOWN, |
| MEMORY_FORMFACTOR_SIMM, |
| MEMORY_FORMFACTOR_SIP, |
| MEMORY_FORMFACTOR_CHIP, |
| MEMORY_FORMFACTOR_DIP, |
| MEMORY_FORMFACTOR_ZIP, |
| MEMORY_FORMFACTOR_PROPRIETARY_CARD, |
| MEMORY_FORMFACTOR_TSOP, |
| MEMORY_FORMFACTOR_ROC, |
| MEMORY_FORMFACTOR_SRIMM, |
| MEMORY_FORMFACTOR_FBDIMM, |
| MEMORY_FORMFACTOR_DIE, |
| }; |
| for (int i = 0; i < ARRAY_SIZE(undefined_factors); ++i) { |
| assert_int_equal(SPD_UNDEFINED, |
| smbios_form_factor_to_spd_mod_type(undefined_factors[i])); |
| } |
| } |
| |
| int main(void) |
| { |
| const struct CMUnitTest tests[] = { |
| cmocka_unit_test(test_smbios_bus_width_to_spd_width), |
| cmocka_unit_test(test_smbios_memory_size_to_mib), |
| cmocka_unit_test(test_smbios_form_factor_to_spd_mod_type), |
| }; |
| |
| return cb_run_group_tests(tests, NULL, NULL); |
| } |