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KVM: selftests: x86: Use TAP interface in the fix_hypercall test

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Use the kvm_test_harness.h interface in this test to get TAP
output, so that it is easier for the user to see what the test
is doing.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Link: https://lore.kernel.org/r/20240208204844.119326-7-thuth@redhat.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
This commit is contained in:
Thomas Huth 2024-02-08 21:48:42 +01:00 committed by Sean Christopherson
parent ba97ed0af6
commit a6983e8f5f
1 changed files with 18 additions and 9 deletions
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27
tools/testing/selftests/kvm/x86_64/fix_hypercall_test.c
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@ -9,6 +9,7 @@
#include <linux/stringify.h>
#include <stdint.h>
#include "kvm_test_harness.h"
#include "apic.h"
#include "test_util.h"
#include "kvm_util.h"
@ -83,6 +84,8 @@ static void guest_main(void)
GUEST_DONE();
}
KVM_ONE_VCPU_TEST_SUITE(fix_hypercall);
static void enter_guest(struct kvm_vcpu *vcpu)
{
struct kvm_run *run = vcpu->run;
@ -103,14 +106,11 @@ static void enter_guest(struct kvm_vcpu *vcpu)
}
}
static void test_fix_hypercall(bool disable_quirk)
static void test_fix_hypercall(struct kvm_vcpu *vcpu, bool disable_quirk)
{
struct kvm_vcpu *vcpu;
struct kvm_vm *vm;
struct kvm_vm *vm = vcpu->vm;
vm = vm_create_with_one_vcpu(&vcpu, guest_main);
vm_init_descriptor_tables(vcpu->vm);
vm_init_descriptor_tables(vm);
vcpu_init_descriptor_tables(vcpu);
vm_install_exception_handler(vcpu->vm, UD_VECTOR, guest_ud_handler);
@ -126,10 +126,19 @@ static void test_fix_hypercall(bool disable_quirk)
enter_guest(vcpu);
}
int main(void)
KVM_ONE_VCPU_TEST(fix_hypercall, enable_quirk, guest_main)
{
test_fix_hypercall(vcpu, false);
}
KVM_ONE_VCPU_TEST(fix_hypercall, disable_quirk, guest_main)
{
test_fix_hypercall(vcpu, true);
}
int main(int argc, char *argv[])
{
TEST_REQUIRE(kvm_check_cap(KVM_CAP_DISABLE_QUIRKS2) & KVM_X86_QUIRK_FIX_HYPERCALL_INSN);
test_fix_hypercall(false);
test_fix_hypercall(true);
return test_harness_run(argc, argv);
}