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
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
// SPDX-License-Identifier: GPL-2.0
#ifndef TEST_H
#define TEST_H
/**
* \file
*
* Provides types and variables used when performing the memory tests.
*
*//*
* Copyright (C) 2020-2022 Martin Whitaker.
*/
#include <stdbool.h>
#include <stdint.h>
#include "pmem.h"
#include "smp.h"
#include "barrier.h"
#include "spinlock.h"
/**
* A mapping from a CPU core number to the index number of the memory chunk
* it operates on when performing a memory test in parallel across all the
* enabled cores (in the current proximity domain, when NUMA awareness is
* enabled).
*/
extern uint8_t chunk_index[MAX_CPUS];
/**
* An array where the count of used CPUs in the current proximity domain.
*/
extern uint8_t used_cpus_in_proximity_domain[MAX_PROXIMITY_DOMAINS];
/*
* The number of CPU cores being used for the current test. This is always
* either 1 or the full number of enabled CPU cores.
*/
extern int num_active_cpus;
/**
* The current master CPU core.
*/
extern int master_cpu;
/**
* A barrier used when running tests.
*/
extern barrier_t *run_barrier;
/**
* A mutex used when reporting errors or printing trace information.
*/
extern spinlock_t *error_mutex;
#if (ARCH_BITS == 64)
/**
* The word width (in bits) used for memory testing.
*/
#define TESTWORD_WIDTH 64
/**
* The number of hex digits needed to display a memory test word.
*/
#define TESTWORD_DIGITS 16
/**
* The string representation of TESTWORDS_DIGITS
*/
#define TESTWORD_DIGITS_STR "16"
#else
/**
* The word width (in bits) used for memory testing.
*/
#define TESTWORD_WIDTH 32
/**
* The number of hex digits needed to display a memory test word.
*/
#define TESTWORD_DIGITS 8
/**
* The string representation of TESTWORDS_DIGITS
*/
#define TESTWORD_DIGITS_STR "8"
#endif
/**
* The word type used for memory testing.
*/
typedef uintptr_t testword_t;
/**
* A virtual memory segment descriptor.
*/
typedef struct {
uintptr_t pm_base_addr;
testword_t *start;
testword_t *end;
uint32_t proximity_domain_idx;
} vm_map_t;
/**
* The list of memory segments currently mapped into virtual memory.
*/
extern vm_map_t vm_map[MAX_MEM_SEGMENTS];
/**
* The number of memory segments currently mapped into virtual memory.
*/
extern int vm_map_size;
/**
* The number of completed test passes.
*/
extern int pass_num;
/**
* The current test number.
*/
extern int test_num;
/**
* The current window number.
*/
extern int window_num;
/**
* A flag indicating that testing should be restarted due to a configuration
* change.
*/
extern bool restart;
/**
* A flag indicating that the current test should be aborted.
*/
extern bool bail;
/**
* The base address of the block of memory currently being tested.
*/
extern uintptr_t test_addr[MAX_CPUS];
#endif // TEST_H
|
