From patchwork Wed Nov 29 07:27:07 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shaoqin Huang X-Patchwork-Id: 13472350 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="XYn+HLDr" Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0DDDA1BC0 for ; Tue, 28 Nov 2023 23:27:35 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1701242854; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=kImp972QN3FgRVvMXHDG7RWMY5d+pXRZAAAzWuPuZ8w=; b=XYn+HLDr8MsdEHbIpIcUTUgSSb40e3uPbeglLQdPCXZw2YXBW1NMbUof+qlwPn/mstPuZy b3jJ5Yd2uXl7gLp5kgQC764BUsysprOSf7q6DMR6xPvHaXb6zfgATp/28z65xzDnzGtAvK q/MbctDYjowPa+IO6daNX1ps3eTKxRw= Received: from mimecast-mx02.redhat.com (mx-ext.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-654-OI1xr56gNkmh64mcydxjVA-1; Wed, 29 Nov 2023 02:27:30 -0500 X-MC-Unique: OI1xr56gNkmh64mcydxjVA-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.rdu2.redhat.com [10.11.54.7]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id CAF9B285F99B; Wed, 29 Nov 2023 07:27:29 +0000 (UTC) Received: from virt-mtcollins-01.lab.eng.rdu2.redhat.com (virt-mtcollins-01.lab.eng.rdu2.redhat.com [10.8.1.196]) by smtp.corp.redhat.com (Postfix) with ESMTP id BDD561C060AE; Wed, 29 Nov 2023 07:27:29 +0000 (UTC) From: Shaoqin Huang To: Marc Zyngier , Oliver Upton , kvmarm@lists.linux.dev Cc: Eric Auger , Shaoqin Huang , James Morse , Suzuki K Poulose , Zenghui Yu , Paolo Bonzini , Shuah Khan , linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 5/5] KVM: selftests: aarch64: Add invalid filter test in pmu_event_filter_test Date: Wed, 29 Nov 2023 02:27:07 -0500 Message-Id: <20231129072712.2667337-6-shahuang@redhat.com> In-Reply-To: <20231129072712.2667337-1-shahuang@redhat.com> References: <20231129072712.2667337-1-shahuang@redhat.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.7 Add the invalid filter test to double check if the KVM_ARM_VCPU_PMU_V3_FILTER will return the expected error. Signed-off-by: Shaoqin Huang --- .../kvm/aarch64/pmu_event_filter_test.c | 36 +++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/tools/testing/selftests/kvm/aarch64/pmu_event_filter_test.c b/tools/testing/selftests/kvm/aarch64/pmu_event_filter_test.c index 0e652fbdb37a..4c375417b194 100644 --- a/tools/testing/selftests/kvm/aarch64/pmu_event_filter_test.c +++ b/tools/testing/selftests/kvm/aarch64/pmu_event_filter_test.c @@ -7,6 +7,7 @@ * This test checks if the guest only see the limited pmu event that userspace * sets, if the guest can use those events which user allow, and if the guest * can't use those events which user deny. + * It also checks that setting invalid filter ranges return the expected error. * This test runs only when KVM_CAP_ARM_PMU_V3, KVM_ARM_VCPU_PMU_V3_FILTER * is supported on the host. */ @@ -197,6 +198,39 @@ static void for_each_test(void) run_test(t); } +static void set_invalid_filter(struct vpmu_vm *vm, void *arg) +{ + struct kvm_pmu_event_filter invalid; + struct kvm_device_attr attr = { + .group = KVM_ARM_VCPU_PMU_V3_CTRL, + .attr = KVM_ARM_VCPU_PMU_V3_FILTER, + .addr = (uint64_t)&invalid, + }; + int ret = 0; + + /* The max event number is (1 << 16), set a range large than it. */ + invalid = __DEFINE_FILTER(BIT(15), BIT(15)+1, 0); + ret = __vcpu_ioctl(vm->vcpu, KVM_SET_DEVICE_ATTR, &attr); + TEST_ASSERT(ret && errno == EINVAL, "Set Invalid filter range " + "ret = %d, errno = %d (expected ret = -1, errno = EINVAL)", + ret, errno); + + ret = 0; + + /* Set the Invalid action. */ + invalid = __DEFINE_FILTER(0, 1, 3); + ret = __vcpu_ioctl(vm->vcpu, KVM_SET_DEVICE_ATTR, &attr); + TEST_ASSERT(ret && errno == EINVAL, "Set Invalid filter action " + "ret = %d, errno = %d (expected ret = -1, errno = EINVAL)", + ret, errno); +} + +static void test_invalid_filter(void) +{ + vpmu_vm = __create_vpmu_vm(guest_code, set_invalid_filter, NULL); + destroy_vpmu_vm(vpmu_vm); +} + static bool kvm_supports_pmu_event_filter(void) { int r; @@ -228,4 +262,6 @@ int main(void) TEST_REQUIRE(host_pmu_supports_events()); for_each_test(); + + test_invalid_filter(); }