From patchwork Thu May 9 09:05:40 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shaoqin Huang X-Patchwork-Id: 13659564 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B619E14AD2C for ; Thu, 9 May 2024 09:06:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715245562; cv=none; b=PC6s76pa2jHkqThm1ePAAJdh0IQLtexwYGAQa3qDWio8MVYow9BP8E1vSA6qytXD2w2fEj5lnvhllriYaa31xOI5/UmnOdTf9X8H1+1F88mp/IFh4onxiY79ttFNEwXxmDW3+4zhLjPsYtMqbpcQ6iDTLq2UdaRBBRjfqI0o10A= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715245562; c=relaxed/simple; bh=gEWxJ58OcCXVPf/+/oXFf84VWQLDYJynMCHfovbxfX8=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=QGjsHW/VcyQA799Wb9Ox/XVYXUeutxWvpBc0vxrtCFhK0969T5EUvHEbp1RvsFOFD3YYDDqFd2ztfcnxzbbtC5cJpERFaOvrsXU2U8LnTuVNxmYzL+vZYJQYxqhb8NiZ5Ekk3B6pQagzoO5PJMuHV2N7Vt1w8F8yJrTKjfFXI1Y= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=VC9HOu7y; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="VC9HOu7y" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1715245559; 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=GETQ3hrHxWoIrW04sjlQA664+5zLvUuddQRMF0aOQ08=; b=VC9HOu7yYhhkpJi6BDTZ8H1WWCv9mczo7fii1BWHIZGUGXVNNJX+LksguXdPLsqMTTrERh VrgmscVifoycg71WywyjuKAM83M8ONQZ/GIVyxvQQMW5Q4YcyXbCuPg9KMy4GqDLZqAMFY J4xQchDiR+xijNOC9gWX0FHnULEyHRU= 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-619-FsTpJ-IwNHixTG-iDSQclg-1; Thu, 09 May 2024 05:05:56 -0400 X-MC-Unique: FsTpJ-IwNHixTG-iDSQclg-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) (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 B90D83C0BE32; Thu, 9 May 2024 09:05:55 +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 75EF1100046E; Thu, 9 May 2024 09:05:55 +0000 (UTC) From: Shaoqin Huang To: Oliver Upton , Marc Zyngier , kvmarm@lists.linux.dev Cc: Shaoqin Huang , Eric Auger , 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 v8 3/3] KVM: selftests: aarch64: Add invalid filter test in pmu_event_filter_test Date: Thu, 9 May 2024 05:05:40 -0400 Message-Id: <20240509090544.2063429-4-shahuang@redhat.com> In-Reply-To: <20240509090544.2063429-1-shahuang@redhat.com> References: <20240509090544.2063429-1-shahuang@redhat.com> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.3 Add the invalid filter test which sets the filter beyond the event space and sets the invalid action to double check if the KVM_ARM_VCPU_PMU_V3_FILTER will return the expected error. Reviewed-by: Eric Auger Signed-off-by: Shaoqin Huang --- .../kvm/aarch64/pmu_event_filter_test.c | 38 +++++++++++++++++++ 1 file changed, 38 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 fb0fde1ed436..5423ffb659ba 100644 --- a/tools/testing/selftests/kvm/aarch64/pmu_event_filter_test.c +++ b/tools/testing/selftests/kvm/aarch64/pmu_event_filter_test.c @@ -8,6 +8,7 @@ * 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. */ @@ -178,6 +179,41 @@ static void destroy_vpmu_vm(void) kvm_vm_free(vpmu_vm.vm); } +static void test_invalid_filter(void) +{ + struct kvm_pmu_event_filter invalid; + int ret; + + pr_info("Test: test_invalid_filter\n"); + + memset(&vpmu_vm, 0, sizeof(vpmu_vm)); + + vpmu_vm.vm = vm_create(1); + vpmu_vm.vcpu = vm_vcpu_add_with_vpmu(vpmu_vm.vm, 0, guest_code); + vpmu_vm.gic_fd = vgic_v3_setup(vpmu_vm.vm, 1, 64, + GICD_BASE_GPA, GICR_BASE_GPA); + __TEST_REQUIRE(vpmu_vm.gic_fd >= 0, + "Failed to create vgic-v3, skipping"); + + /* The max event number is (1 << 16), set a range largeer than it. */ + invalid = __DEFINE_FILTER(BIT(15), BIT(15) + 1, 0); + ret = __kvm_device_attr_set(vpmu_vm.vcpu->fd, KVM_ARM_VCPU_PMU_V3_CTRL, + KVM_ARM_VCPU_PMU_V3_FILTER, &invalid); + TEST_ASSERT(ret && errno == EINVAL, "Set Invalid filter range " + "ret = %d, errno = %d (expected ret = -1, errno = EINVAL)", + ret, errno); + + /* Set the Invalid action. */ + invalid = __DEFINE_FILTER(0, 1, 3); + ret = __kvm_device_attr_set(vpmu_vm.vcpu->fd, KVM_ARM_VCPU_PMU_V3_CTRL, + KVM_ARM_VCPU_PMU_V3_FILTER, &invalid); + TEST_ASSERT(ret && errno == EINVAL, "Set Invalid filter action " + "ret = %d, errno = %d (expected ret = -1, errno = EINVAL)", + ret, errno); + + destroy_vpmu_vm(); +} + static void run_test(struct test_desc *t) { pr_info("Test: %s\n", t->name); @@ -300,4 +336,6 @@ int main(void) TEST_REQUIRE(kvm_pmu_support_events()); run_tests(); + + test_invalid_filter(); }