: "b"(a0), "c"(a1), "d"(a2), "S"(a3));
return r;
}
+
+struct kvm_cpuid2 *kvm_get_supported_hv_cpuid(void)
+{
+ static struct kvm_cpuid2 *cpuid;
+ int ret;
+ int kvm_fd;
+
+ if (cpuid)
+ return cpuid;
+
+ cpuid = allocate_kvm_cpuid2();
+ kvm_fd = open(KVM_DEV_PATH, O_RDONLY);
+ if (kvm_fd < 0)
+ exit(KSFT_SKIP);
+
+ ret = ioctl(kvm_fd, KVM_GET_SUPPORTED_HV_CPUID, cpuid);
+ TEST_ASSERT(ret == 0, "KVM_GET_SUPPORTED_HV_CPUID failed %d %d\n",
+ ret, errno);
+
+ close(kvm_fd);
+ return cpuid;
+}
+
+struct kvm_cpuid2 *vcpu_get_supported_hv_cpuid(struct kvm_vm *vm, uint32_t vcpuid)
+{
+ static struct kvm_cpuid2 *cpuid;
+
+ cpuid = allocate_kvm_cpuid2();
+
+ vcpu_ioctl(vm, vcpuid, KVM_GET_SUPPORTED_HV_CPUID, cpuid);
+
+ return cpuid;
+}
" it should have: %d %d", system ? "KVM" : "vCPU", ret, errno);
}
-
-struct kvm_cpuid2 *kvm_get_supported_hv_cpuid(struct kvm_vm *vm, bool system)
-{
- int nent = 20; /* should be enough */
- static struct kvm_cpuid2 *cpuid;
-
- cpuid = malloc(sizeof(*cpuid) + nent * sizeof(struct kvm_cpuid_entry2));
-
- if (!cpuid) {
- perror("malloc");
- abort();
- }
-
- cpuid->nent = nent;
-
- if (!system)
- vcpu_ioctl(vm, VCPU_ID, KVM_GET_SUPPORTED_HV_CPUID, cpuid);
- else
- kvm_ioctl(vm, KVM_GET_SUPPORTED_HV_CPUID, cpuid);
-
- return cpuid;
-}
-
-
int main(int argc, char *argv[])
{
struct kvm_vm *vm;
/* Test vCPU ioctl version */
test_hv_cpuid_e2big(vm, false);
- hv_cpuid_entries = kvm_get_supported_hv_cpuid(vm, false);
+ hv_cpuid_entries = vcpu_get_supported_hv_cpuid(vm, VCPU_ID);
test_hv_cpuid(hv_cpuid_entries, false);
free(hv_cpuid_entries);
goto do_sys;
}
vcpu_enable_evmcs(vm, VCPU_ID);
- hv_cpuid_entries = kvm_get_supported_hv_cpuid(vm, false);
+ hv_cpuid_entries = vcpu_get_supported_hv_cpuid(vm, VCPU_ID);
test_hv_cpuid(hv_cpuid_entries, true);
free(hv_cpuid_entries);
test_hv_cpuid_e2big(vm, true);
- hv_cpuid_entries = kvm_get_supported_hv_cpuid(vm, true);
+ hv_cpuid_entries = kvm_get_supported_hv_cpuid();
test_hv_cpuid(hv_cpuid_entries, nested_vmx_supported());
- free(hv_cpuid_entries);
out:
kvm_vm_free(vm);