KVM: selftests: Make Hyper-V tests explicitly require KVM Hyper-V support

In preparation for conditional Hyper-V emulation enablement in KVM, make
Hyper-V specific tests skip gracefully instead of failing when KVM support
for emulating Hyper-V is not there.

Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Tested-by: Jeremi Piotrowski <jpiotrowski@linux.microsoft.com>
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Link: https://lore.kernel.org/r/20231205103630.1391318-10-vkuznets@redhat.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
This commit is contained in:
Vitaly Kuznetsov 2023-12-05 11:36:23 +01:00 committed by Sean Christopherson
parent b2e02f82b7
commit 6dac119518
7 changed files with 14 additions and 2 deletions

View File

@ -211,6 +211,8 @@ int main(void)
vm_vaddr_t tsc_page_gva;
int stage;
TEST_REQUIRE(kvm_has_cap(KVM_CAP_HYPERV_TIME));
vm = vm_create_with_one_vcpu(&vcpu, guest_main);
vcpu_set_hv_cpuid(vcpu);

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@ -240,11 +240,12 @@ int main(int argc, char *argv[])
struct ucall uc;
int stage;
vm = vm_create_with_one_vcpu(&vcpu, guest_code);
TEST_REQUIRE(kvm_cpu_has(X86_FEATURE_VMX));
TEST_REQUIRE(kvm_has_cap(KVM_CAP_NESTED_STATE));
TEST_REQUIRE(kvm_has_cap(KVM_CAP_HYPERV_ENLIGHTENED_VMCS));
TEST_REQUIRE(kvm_has_cap(KVM_CAP_HYPERV_DIRECT_TLBFLUSH));
vm = vm_create_with_one_vcpu(&vcpu, guest_code);
hcall_page = vm_vaddr_alloc_pages(vm, 1);
memset(addr_gva2hva(vm, hcall_page), 0x0, getpagesize());

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@ -43,6 +43,8 @@ int main(void)
uint64_t *outval;
struct ucall uc;
TEST_REQUIRE(kvm_has_cap(KVM_CAP_HYPERV_CPUID));
/* Verify if extended hypercalls are supported */
if (!kvm_cpuid_has(kvm_get_supported_hv_cpuid(),
HV_ENABLE_EXTENDED_HYPERCALLS)) {

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@ -690,6 +690,8 @@ static void guest_test_hcalls_access(void)
int main(void)
{
TEST_REQUIRE(kvm_has_cap(KVM_CAP_HYPERV_ENFORCE_CPUID));
pr_info("Testing access to Hyper-V specific MSRs\n");
guest_test_msrs_access();

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@ -248,6 +248,8 @@ int main(int argc, char *argv[])
int stage = 1, r;
struct ucall uc;
TEST_REQUIRE(kvm_has_cap(KVM_CAP_HYPERV_SEND_IPI));
vm = vm_create_with_one_vcpu(&vcpu[0], sender_guest_code);
/* Hypercall input/output */

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@ -158,6 +158,7 @@ int main(int argc, char *argv[])
int stage;
TEST_REQUIRE(kvm_cpu_has(X86_FEATURE_SVM));
TEST_REQUIRE(kvm_has_cap(KVM_CAP_HYPERV_DIRECT_TLBFLUSH));
/* Create VM */
vm = vm_create_with_one_vcpu(&vcpu, guest_code);

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@ -590,6 +590,8 @@ int main(int argc, char *argv[])
struct ucall uc;
int stage = 1, r, i;
TEST_REQUIRE(kvm_has_cap(KVM_CAP_HYPERV_TLBFLUSH));
vm = vm_create_with_one_vcpu(&vcpu[0], sender_guest_code);
/* Test data page */