Jakub Czapiga | dadcae6 | 2021-04-08 16:29:03 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 2 | |
| 3 | #include <dimm_info_util.h> |
| 4 | #include <spd.h> |
| 5 | #include <tests/test.h> |
| 6 | |
| 7 | static void test_smbios_bus_width_to_spd_width(void **state) |
| 8 | { |
| 9 | /* Non-ECC variants */ |
| 10 | assert_int_equal(MEMORY_BUS_WIDTH_64, smbios_bus_width_to_spd_width(64, 64)); |
| 11 | assert_int_equal(MEMORY_BUS_WIDTH_32, smbios_bus_width_to_spd_width(32, 32)); |
| 12 | assert_int_equal(MEMORY_BUS_WIDTH_16, smbios_bus_width_to_spd_width(16, 16)); |
| 13 | assert_int_equal(MEMORY_BUS_WIDTH_8, smbios_bus_width_to_spd_width(8, 8)); |
| 14 | /* Incorrect data width. Fallback to 8-bit */ |
| 15 | assert_int_equal(MEMORY_BUS_WIDTH_8, smbios_bus_width_to_spd_width(15, 15)); |
| 16 | |
| 17 | /* ECC variants */ |
| 18 | assert_int_equal(MEMORY_BUS_WIDTH_64 | SPD_ECC_8BIT, |
| 19 | smbios_bus_width_to_spd_width(64 + 8, 64)); |
| 20 | assert_int_equal(MEMORY_BUS_WIDTH_32 | SPD_ECC_8BIT, |
| 21 | smbios_bus_width_to_spd_width(32 + 8, 32)); |
| 22 | assert_int_equal(MEMORY_BUS_WIDTH_16 | SPD_ECC_8BIT, |
| 23 | smbios_bus_width_to_spd_width(16 + 8, 16)); |
| 24 | assert_int_equal(MEMORY_BUS_WIDTH_8 | SPD_ECC_8BIT, |
| 25 | smbios_bus_width_to_spd_width(8 + 8, 8)); |
| 26 | /* Incorrect data width. Fallback to 8-bit */ |
| 27 | assert_int_equal(MEMORY_BUS_WIDTH_8 | SPD_ECC_8BIT, |
| 28 | smbios_bus_width_to_spd_width(15 + 8, 15)); |
| 29 | } |
| 30 | |
| 31 | static void test_smbios_memory_size_to_mib(void **state) |
| 32 | { |
| 33 | uint32_t extended_size; |
| 34 | uint16_t memory_size; |
| 35 | |
| 36 | /* Unknown memory size */ |
| 37 | assert_int_equal(0, smbios_memory_size_to_mib(0xFFFF, 0)); |
| 38 | assert_int_equal(0, smbios_memory_size_to_mib(0xFFFF, 0xFFFF)); |
| 39 | assert_int_equal(0, smbios_memory_size_to_mib(0xFFFF, 87642)); |
| 40 | |
| 41 | /* 32GiB - 1MiB */ |
| 42 | extended_size = 0; |
| 43 | assert_int_equal(extended_size, smbios_memory_size_to_mib(0x7FFF, extended_size)); |
| 44 | extended_size = 0xFFFFFFFF; |
| 45 | assert_int_equal(extended_size, smbios_memory_size_to_mib(0x7FFF, extended_size)); |
| 46 | extended_size = 0xDEDE6666; |
| 47 | assert_int_equal(extended_size, smbios_memory_size_to_mib(0x7FFF, extended_size)); |
| 48 | |
| 49 | /* Memory size in KiB when MSB is flipped */ |
| 50 | memory_size = 0x0 & 0x8000; /* Zero bytes */ |
| 51 | assert_int_equal(0, smbios_memory_size_to_mib(memory_size, 0)); |
| 52 | assert_int_equal(0, smbios_memory_size_to_mib(memory_size, 0xFFFFFFFF)); |
| 53 | assert_int_equal(0, smbios_memory_size_to_mib(memory_size, 2345568)); |
| 54 | memory_size = (31 * KiB) | 0x8000; |
| 55 | assert_int_equal(31, smbios_memory_size_to_mib(memory_size, 0)); |
| 56 | assert_int_equal(31, smbios_memory_size_to_mib(memory_size, 0xFFFFFFFF)); |
| 57 | assert_int_equal(31, smbios_memory_size_to_mib(memory_size, 72594344)); |
| 58 | |
| 59 | /* Value in MiB Only when memory size is not 0xFFFF and 0x7FFF and MSB is not set */ |
| 60 | memory_size = 32766; /* value in MiB */ |
| 61 | assert_int_equal(memory_size, smbios_memory_size_to_mib(memory_size, 0)); |
| 62 | assert_int_equal(memory_size, smbios_memory_size_to_mib(memory_size, 0xFFFFFFFF)); |
| 63 | assert_int_equal(memory_size, smbios_memory_size_to_mib(memory_size, 694735)); |
| 64 | } |
| 65 | |
| 66 | static void test_smbios_form_factor_to_spd_mod_type(void **state) |
| 67 | { |
| 68 | /* Form factors defined in coreboot */ |
| 69 | const LargestIntegralType udimm_allowed[] = { |
| 70 | SPD_UDIMM, SPD_MICRO_DIMM, SPD_MINI_UDIMM, |
| 71 | }; |
| 72 | assert_in_set(smbios_form_factor_to_spd_mod_type(MEMORY_FORMFACTOR_DIMM), |
| 73 | udimm_allowed, ARRAY_SIZE(udimm_allowed)); |
| 74 | |
| 75 | const LargestIntegralType rdimm_allowed[] = { SPD_RDIMM, SPD_MINI_RDIMM }; |
| 76 | assert_in_set(smbios_form_factor_to_spd_mod_type(MEMORY_FORMFACTOR_RIMM), |
| 77 | rdimm_allowed, ARRAY_SIZE(rdimm_allowed)); |
| 78 | |
| 79 | assert_int_equal(SPD_SODIMM, |
| 80 | smbios_form_factor_to_spd_mod_type(MEMORY_FORMFACTOR_SODIMM)); |
| 81 | |
| 82 | const smbios_memory_form_factor undefined_factors[] = { |
| 83 | MEMORY_FORMFACTOR_OTHER, |
| 84 | MEMORY_FORMFACTOR_UNKNOWN, |
| 85 | MEMORY_FORMFACTOR_SIMM, |
| 86 | MEMORY_FORMFACTOR_SIP, |
| 87 | MEMORY_FORMFACTOR_CHIP, |
| 88 | MEMORY_FORMFACTOR_DIP, |
| 89 | MEMORY_FORMFACTOR_ZIP, |
| 90 | MEMORY_FORMFACTOR_PROPRIETARY_CARD, |
| 91 | MEMORY_FORMFACTOR_TSOP, |
| 92 | MEMORY_FORMFACTOR_ROC, |
| 93 | MEMORY_FORMFACTOR_SRIMM, |
| 94 | MEMORY_FORMFACTOR_FBDIMM, |
| 95 | MEMORY_FORMFACTOR_DIE, |
| 96 | }; |
| 97 | for (int i = 0; i < ARRAY_SIZE(undefined_factors); ++i) { |
| 98 | assert_int_equal(SPD_UNDEFINED, |
| 99 | smbios_form_factor_to_spd_mod_type(undefined_factors[i])); |
| 100 | } |
| 101 | } |
| 102 | |
| 103 | int main(void) |
| 104 | { |
| 105 | const struct CMUnitTest tests[] = { |
| 106 | cmocka_unit_test(test_smbios_bus_width_to_spd_width), |
| 107 | cmocka_unit_test(test_smbios_memory_size_to_mib), |
| 108 | cmocka_unit_test(test_smbios_form_factor_to_spd_mod_type), |
| 109 | }; |
| 110 | |
Jakub Czapiga | 7c6081e | 2021-08-25 16:27:35 +0200 | [diff] [blame] | 111 | return cb_run_group_tests(tests, NULL, NULL); |
Jakub Czapiga | dadcae6 | 2021-04-08 16:29:03 +0200 | [diff] [blame] | 112 | } |