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
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* maximum APIC ID capability tests
*
* Copyright (C) 2022, Intel, Inc.
*
* Tests for getting/setting maximum APIC ID capability
*/
#include "kvm_util.h"
#define MAX_VCPU_ID 2
int main(int argc, char *argv[])
{
struct kvm_vm *vm;
struct kvm_enable_cap cap = { 0 };
int ret;
vm = vm_create(0);
/* Get KVM_CAP_MAX_VCPU_ID cap supported in KVM */
ret = vm_check_cap(vm, KVM_CAP_MAX_VCPU_ID);
/* Try to set KVM_CAP_MAX_VCPU_ID beyond KVM cap */
cap.cap = KVM_CAP_MAX_VCPU_ID;
cap.args[0] = ret + 1;
ret = ioctl(vm->fd, KVM_ENABLE_CAP, &cap);
TEST_ASSERT(ret < 0,
"Unexpected success to enable KVM_CAP_MAX_VCPU_ID"
"beyond KVM cap!\n");
/* Set KVM_CAP_MAX_VCPU_ID */
cap.cap = KVM_CAP_MAX_VCPU_ID;
cap.args[0] = MAX_VCPU_ID;
ret = ioctl(vm->fd, KVM_ENABLE_CAP, &cap);
TEST_ASSERT(ret == 0,
"Unexpected failure to enable KVM_CAP_MAX_VCPU_ID!\n");
/* Try to set KVM_CAP_MAX_VCPU_ID again */
cap.args[0] = MAX_VCPU_ID + 1;
ret = ioctl(vm->fd, KVM_ENABLE_CAP, &cap);
TEST_ASSERT(ret < 0,
"Unexpected success to enable KVM_CAP_MAX_VCPU_ID again\n");
/* Create vCPU with id beyond KVM_CAP_MAX_VCPU_ID cap*/
ret = ioctl(vm->fd, KVM_CREATE_VCPU, MAX_VCPU_ID);
TEST_ASSERT(ret < 0,
"Unexpected success in creating a vCPU with VCPU ID out of range\n");
kvm_vm_free(vm);
return 0;
}
|
