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106 lines
2.0 KiB
C
106 lines
2.0 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#ifndef TEST_H
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#define TEST_H
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/*
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* Provides types and variables used when performing the memory tests.
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*
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* Copyright (C) 2020-2021 Martin Whitaker.
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*/
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#include <stdbool.h>
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#include <stdint.h>
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#include "pmem.h"
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#include "barrier.h"
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#include "spinlock.h"
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/*
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* The maximum number of virtual CPUs supported. Note that the display can
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* only show the state of a maximum of 32 vCPUs.
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*/
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#define MAX_VCPUS 32
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/*
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* The number of activated virtual CPUs.
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*/
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extern int num_vcpus;
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/*
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* The current master virtual CPU.
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*/
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extern volatile int master_vcpu;
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/*
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* A barrier used when running tests.
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*/
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extern barrier_t *run_barrier;
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/*
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* A mutex used when reporting errors or printing trace information.
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*/
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extern spinlock_t *error_mutex;
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/*
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* The word width (in bits) used for memory testing.
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*/
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#ifdef __x86_64__
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#define TESTWORD_WIDTH 64
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#else
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#define TESTWORD_WIDTH 32
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#endif
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/*
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* The number of hex digits needed to display a memory test word.
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*/
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#define TESTWORD_DIGITS (TESTWORD_WIDTH / 4)
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/*
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* The word type used for memory testing.
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*/
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typedef uintptr_t testword_t;
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/*
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* A virtual memory segment descriptor.
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*/
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typedef struct {
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uintptr_t pm_base_addr;
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testword_t *start;
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testword_t *end;
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} vm_map_t;
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/*
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* The list of memory segments currently mapped into virtual memory.
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*/
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extern volatile vm_map_t vm_map[MAX_MEM_SEGMENTS];
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/*
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* The number of memory segments currently mapped into virtual memory.
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*/
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extern volatile int vm_map_size;
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/*
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* The number of completed test passes.
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*/
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extern volatile int pass_num;
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/*
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* The current test number.
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*/
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extern volatile int test_num;
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/*
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* A flag indicating that testing should be restarted due to a configuration
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* change.
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*/
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extern volatile bool restart;
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/*
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* A flag indicating that the current test should be aborted.
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*/
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extern volatile bool bail;
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/*
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* The base address of the block of memory currently being tested.
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*/
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extern volatile uintptr_t test_addr[MAX_VCPUS];
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#endif // TEST_H
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