From patchwork Thu Jun 13 08:23:41 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shaoqin Huang X-Patchwork-Id: 13696322 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 18264C27C4F for ; Thu, 13 Jun 2024 08:24:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=KLRQFDUj8PtpuJnNrTsx36yB9tP6PdLdhkC2H0VO9EQ=; b=i0SF4qp2+6XxprN4zlxf2U62VO AuYfd509f4+qX2gifIcb3iNWd6ozM4e6bn7cNfmwOOpj/zFSb5QbmRAH/reE2jDzdPOGQLDGZ0+Ps cZqIHb3qPpEZnnynxciZRhzrjm8HSOdklQF1uJfYvhKflvakZqNMw9NzgtsSHnnnXi4ouQRlvldWb gU17t0I9zBCPosUEJUPJXJhZlP858VnXugBIoPsh3vnHluU9nHe7VQMp3CrB7wai+D22tco6k+t5m A3hcTn9jO0mabDfB1QhKRtwNoV13TsfKiqxl9d/eBp7ZLzopo0iPAbVCbBlcDVu0E8gzcpmr0tGBI nGv8xJIQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sHfki-0000000FfNW-33cZ; Thu, 13 Jun 2024 08:24:12 +0000 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sHfkc-0000000FfKH-0NE0 for linux-arm-kernel@lists.infradead.org; Thu, 13 Jun 2024 08:24:07 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1718267045; 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=KLRQFDUj8PtpuJnNrTsx36yB9tP6PdLdhkC2H0VO9EQ=; b=Anzq4QBJlrxl+CBLyq9/VxXipjtUZJrMPNXAxuzeWEeEbWBDWrv/o4ZH+CUL0xrS0Vg3w9 pUmvbfQzrd2p1e57u04gyYyT8hJ0wC+VI2M0p94Q55pQAM8JwzJtAaVb3RkeqrzzYTUdhD IlVM1cgtiW1dRULBn60KuzSn26tU7Ao= Received: from mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-58-OpD-ch7GPfqlRirsoIv02A-1; Thu, 13 Jun 2024 04:24:03 -0400 X-MC-Unique: OpD-ch7GPfqlRirsoIv02A-1 Received: from mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.12]) (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 mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id B4213195608E; Thu, 13 Jun 2024 08:24:01 +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 mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id E5A7A19560BF; Thu, 13 Jun 2024 08:23:59 +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 v9 3/3] KVM: selftests: aarch64: Add invalid filter test in pmu_event_filter_test Date: Thu, 13 Jun 2024 04:23:41 -0400 Message-Id: <20240613082345.132336-4-shahuang@redhat.com> In-Reply-To: <20240613082345.132336-1-shahuang@redhat.com> References: <20240613082345.132336-1-shahuang@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.12 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240613_012406_255030_6A3B03B0 X-CRM114-Status: GOOD ( 13.19 ) 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 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 | 37 +++++++++++++++++++ 1 file changed, 37 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..13b2f354c39b 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 +179,40 @@ 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); + __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 +335,6 @@ int main(void) TEST_REQUIRE(kvm_pmu_support_events()); run_tests(); + + test_invalid_filter(); }