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selftests: kvm: consolidate VMX support checks 

vmx_* tests require VMX and three of them implement the same check. Move it
to vmx library.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Vitaly Kuznetsov 2019-10-08 21:43:37 +02:00 committed by Paolo Bonzini
parent 700c17d9ce
commit 9143613ef0
5 changed files with 15 additions and 15 deletions
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2
tools/testing/selftests/kvm/include/x86_64/vmx.h
View File

@ -580,6 +580,8 @@ bool prepare_for_vmx_operation(struct vmx_pages *vmx);
void prepare_vmcs(struct vmx_pages *vmx, void *guest_rip, void *guest_rsp);
bool load_vmcs(struct vmx_pages *vmx);
void nested_vmx_check_supported(void);
void nested_pg_map(struct vmx_pages *vmx, struct kvm_vm *vm,
uint64_t nested_paddr, uint64_t paddr, uint32_t eptp_memslot);
void nested_map(struct vmx_pages *vmx, struct kvm_vm *vm,

10
tools/testing/selftests/kvm/lib/x86_64/vmx.c
View File

@ -376,6 +376,16 @@ void prepare_vmcs(struct vmx_pages *vmx, void *guest_rip, void *guest_rsp)
init_vmcs_guest_state(guest_rip, guest_rsp);
}
void nested_vmx_check_supported(void)
{
struct kvm_cpuid_entry2 *entry = kvm_get_supported_cpuid_entry(1);
if (!(entry->ecx & CPUID_VMX)) {
fprintf(stderr, "nested VMX not enabled, skipping test\n");
exit(KSFT_SKIP);
}
}
void nested_pg_map(struct vmx_pages *vmx, struct kvm_vm *vm,
uint64_t nested_paddr, uint64_t paddr, uint32_t eptp_memslot)
{

6
tools/testing/selftests/kvm/x86_64/vmx_close_while_nested_test.c
View File

@ -53,12 +53,8 @@ static void l1_guest_code(struct vmx_pages *vmx_pages)
int main(int argc, char *argv[])
{
vm_vaddr_t vmx_pages_gva;
struct kvm_cpuid_entry2 *entry = kvm_get_supported_cpuid_entry(1);
if (!(entry->ecx & CPUID_VMX)) {
fprintf(stderr, "nested VMX not enabled, skipping test\n");
exit(KSFT_SKIP);
}
nested_vmx_check_supported();
vm = vm_create_default(VCPU_ID, 0, (void *) l1_guest_code);
vcpu_set_cpuid(vm, VCPU_ID, kvm_get_supported_cpuid());

6
tools/testing/selftests/kvm/x86_64/vmx_set_nested_state_test.c
View File

@ -224,7 +224,6 @@ int main(int argc, char *argv[])
{
struct kvm_vm *vm;
struct kvm_nested_state state;
struct kvm_cpuid_entry2 *entry = kvm_get_supported_cpuid_entry(1);
have_evmcs = kvm_check_cap(KVM_CAP_HYPERV_ENLIGHTENED_VMCS);
@ -237,10 +236,7 @@ int main(int argc, char *argv[])
* AMD currently does not implement set_nested_state, so for now we
* just early out.
*/
if (!(entry->ecx & CPUID_VMX)) {
fprintf(stderr, "nested VMX not enabled, skipping test\n");
exit(KSFT_SKIP);
}
nested_vmx_check_supported();
vm = vm_create_default(VCPU_ID, 0, 0);

6
tools/testing/selftests/kvm/x86_64/vmx_tsc_adjust_test.c
View File

@ -128,12 +128,8 @@ static void report(int64_t val)
int main(int argc, char *argv[])
{
vm_vaddr_t vmx_pages_gva;
struct kvm_cpuid_entry2 *entry = kvm_get_supported_cpuid_entry(1);
if (!(entry->ecx & CPUID_VMX)) {
fprintf(stderr, "nested VMX not enabled, skipping test\n");
exit(KSFT_SKIP);
}
nested_vmx_check_supported();
vm = vm_create_default(VCPU_ID, 0, (void *) l1_guest_code);
vcpu_set_cpuid(vm, VCPU_ID, kvm_get_supported_cpuid());