1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
/* 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 cmocka_run_group_tests(tests, NULL, NULL);
}
|
