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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/tools/testing/selftests/kvm/include/timer_test.h
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/* SPDX-License-Identifier: GPL-2.0-only */

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/*

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 * timer test specific header

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 *

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 * Copyright (C) 2018, Google LLC

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 */

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#ifndef SELFTEST_KVM_TIMER_TEST_H

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#define SELFTEST_KVM_TIMER_TEST_H

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#include "kvm_util.h"

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#define NR_VCPUS_DEF            4

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#define NR_TEST_ITERS_DEF       5

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#define TIMER_TEST_PERIOD_MS_DEF    10

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#define TIMER_TEST_ERR_MARGIN_US    100

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#define TIMER_TEST_MIGRATION_FREQ_MS    2

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/* Timer test cmdline parameters */

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struct test_args {

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	uint32_t nr_vcpus;

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	uint32_t nr_iter;

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	uint32_t timer_period_ms;

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	uint32_t migration_freq_ms;

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	uint32_t timer_err_margin_us;

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	/* Members of struct kvm_arm_counter_offset */

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	uint64_t counter_offset;

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	uint64_t reserved;

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};

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/* Shared variables between host and guest */

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struct test_vcpu_shared_data {

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	uint32_t nr_iter;

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	int guest_stage;

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	uint64_t xcnt;

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};

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extern struct test_args test_args;

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extern struct kvm_vcpu *vcpus[];

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extern struct test_vcpu_shared_data vcpu_shared_data[];

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struct kvm_vm *test_vm_create(void);

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void test_vm_cleanup(struct kvm_vm *vm);

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#endif /* SELFTEST_KVM_TIMER_TEST_H */

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