1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * timer test specific header
4 *
5 * Copyright (C) 2018, Google LLC
6 */
7
8 #ifndef SELFTEST_KVM_TIMER_TEST_H
9 #define SELFTEST_KVM_TIMER_TEST_H
10
11 #include "kvm_util.h"
12
13 #define NR_VCPUS_DEF 4
14 #define NR_TEST_ITERS_DEF 5
15 #define TIMER_TEST_PERIOD_MS_DEF 10
16 #define TIMER_TEST_ERR_MARGIN_US 100
17 #define TIMER_TEST_MIGRATION_FREQ_MS 2
18
19 /* Timer test cmdline parameters */
20 struct test_args {
21 uint32_t nr_vcpus;
22 uint32_t nr_iter;
23 uint32_t timer_period_ms;
24 uint32_t migration_freq_ms;
25 uint32_t timer_err_margin_us;
26 /* Members of struct kvm_arm_counter_offset */
27 uint64_t counter_offset;
28 uint64_t reserved;
29 };
30
31 /* Shared variables between host and guest */
32 struct test_vcpu_shared_data {
33 uint32_t nr_iter;
34 int guest_stage;
35 uint64_t xcnt;
36 };
37
38 extern struct test_args test_args;
39 extern struct kvm_vcpu *vcpus[];
40 extern struct test_vcpu_shared_data vcpu_shared_data[];
41
42 struct kvm_vm *test_vm_create(void);
43 void test_vm_cleanup(struct kvm_vm *vm);
44
45 #endif /* SELFTEST_KVM_TIMER_TEST_H */
46
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