From patchwork Fri Feb 2 02:56:54 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shaoqin Huang X-Patchwork-Id: 13542021 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 21125C4828F for ; Fri, 2 Feb 2024 02:57:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=dsmFG2dJzVtU/4Y9fa8/5LAeppeZThbgyftPcA2C9xQ=; b=JidDobGXG9syVJ Wbf+drUompbQXNev8YYX+60miEdT5l5MSiOacVpdpkhdIcOgFEg9JFnRohHb4A4IYGC8QUBxEWhOp MARwe/9NTzxT5IC3I582D2Y3vw7BHo+6BRz+XFAG/5EO6KHtjzKBMopr423eAma2QIU7cg/wXbAUX Kb/sGFyig+dIGgHRk9lQhAWK7PxryWqPcLbD4vT4yEAww8mF5sEs5bGEIKRU/4+TfzDTqUJczLxYM qtRLoER/ssR9a5ZROcMmpOnsoxGWdA9hPFtyC7KvbFBuecZ6z2ZNZSh5i4fCJO0BFsW049SeWllPP 7VqdNVIQWujpV9oHi9aA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rVjjx-00000009whG-3QMI; Fri, 02 Feb 2024 02:57:17 +0000 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rVjjt-00000009weY-2fQB for linux-arm-kernel@lists.infradead.org; Fri, 02 Feb 2024 02:57:14 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1706842632; 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=JdhKz6AkD7EoSnhTdlrYl+SSLH69MnV7i+2uXd+vqdc=; b=asD3UoE3f/NmGI2nC2XEce8BDHSbqkoCS2+YJbUSviBu/mXeEirhHwOYjSbCFa5ukurB2B L5rmtxUQ0/LKxWOE0LUmXGFfVv7uhmKD/pnEIci8Jcr2eRhBqNYmReNxQqunLsYXZpIrv8 a/AJbl/FrSlAxXE++6BR1Tl45rtN+WY= 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-253--tbSrAG7OjG93kxjDSKTrA-1; Thu, 01 Feb 2024 21:57:11 -0500 X-MC-Unique: -tbSrAG7OjG93kxjDSKTrA-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.rdu2.redhat.com [10.11.54.8]) (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 5C6BC3C0BE47; Fri, 2 Feb 2024 02:57:10 +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 48783C1ED76; Fri, 2 Feb 2024 02:57:10 +0000 (UTC) From: Shaoqin Huang To: Oliver Upton , Marc Zyngier , 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 v4 5/5] KVM: selftests: aarch64: Add invalid filter test in pmu_event_filter_test Date: Thu, 1 Feb 2024 21:56:54 -0500 Message-Id: <20240202025659.5065-6-shahuang@redhat.com> In-Reply-To: <20240202025659.5065-1-shahuang@redhat.com> References: <20240202025659.5065-1-shahuang@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.8 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240201_185713_810708_B970F945 X-CRM114-Status: GOOD ( 13.97 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add the invalid filter test includes 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. 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 d280382f362f..68e1f2003312 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. */ @@ -183,6 +184,39 @@ 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 largeer 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; @@ -216,4 +250,6 @@ int main(void) TEST_REQUIRE(host_pmu_supports_events()); for_each_test(); + + test_invalid_filter(); }