1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * maximum APIC ID capability tests 4 * 5 * Copyright (C) 2022, Intel, Inc. 6 * 7 * Tests for getting/setting maximum APIC ID capability 8 */ 9 10 #include "kvm_util.h" 11 12 #define MAX_VCPU_ID 2 13 14 int main(int argc, char *argv[]) 15 { 16 struct kvm_vm *vm; 17 int ret; 18 19 vm = vm_create_barebones(); 20 21 /* Get KVM_CAP_MAX_VCPU_ID cap supported in KVM */ 22 ret = vm_check_cap(vm, KVM_CAP_MAX_VCPU_ID); 23 24 /* Try to set KVM_CAP_MAX_VCPU_ID beyond KVM cap */ 25 ret = __vm_enable_cap(vm, KVM_CAP_MAX_VCPU_ID, ret + 1); 26 TEST_ASSERT(ret < 0, 27 "Setting KVM_CAP_MAX_VCPU_ID beyond KVM cap should fail"); 28 29 /* Set KVM_CAP_MAX_VCPU_ID */ 30 vm_enable_cap(vm, KVM_CAP_MAX_VCPU_ID, MAX_VCPU_ID); 31 32 33 /* Try to set KVM_CAP_MAX_VCPU_ID again */ 34 ret = __vm_enable_cap(vm, KVM_CAP_MAX_VCPU_ID, MAX_VCPU_ID + 1); 35 TEST_ASSERT(ret < 0, 36 "Setting KVM_CAP_MAX_VCPU_ID multiple times should fail"); 37 38 /* Create vCPU with id beyond KVM_CAP_MAX_VCPU_ID cap*/ 39 ret = __vm_ioctl(vm, KVM_CREATE_VCPU, (void *)MAX_VCPU_ID); 40 TEST_ASSERT(ret < 0, "Creating vCPU with ID > MAX_VCPU_ID should fail"); 41 42 kvm_vm_free(vm); 43 return 0; 44 } 45