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: 13659578 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 20BB1C10F1A for ; Thu, 9 May 2024 09:06:25 +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=2LLD5JHxrjdl7//m4ZBv2UFQP5VJRiLtqcxa7VPad64=; b=f7/C1i2oY/9DAP 0SEUzFcjcyqKj2CSWrM54c0DRsIQi56MSltAFR26VzL8M5dkgI/dW1b/HQUdKnepoiD4XLT69+oNf ADyQuryWDalNweqGKlZkU8gJ0NxhPcrwQF2kG2XALCy1b0xEqSG2luHOnIy4d5hUs1RKF6/GTCaPU A8+95UJn+7CEzKPz7ZB7A+SP5MVrjCm31qCvQbZE1A8KMrMliItGJwjXpx50y3w2q4zoTJGPz4Dse IsihAC+AsdQRFxRPIp53eyy2wmEnkgkL0qLKjhSyM5LFPu812tKorTEfNv6zT7JSE8MosZuVOYyfE /7oTNnOhY9sZDhjJlZRA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1s4zj6-00000000uxG-377M; Thu, 09 May 2024 09:06:08 +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 1s4ziz-00000000usX-2lVi for linux-arm-kernel@lists.infradead.org; Thu, 09 May 2024 09:06:03 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1715245560; 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=DCqZFQm59NPKQWFBNUaMTUHxpwg0+E0MEg0u1q67FEMSEkVmdBS+VQPxxvzxRqubEN7Ndn WthHnHLsSAyJi2AY4mKnwfzGWWG4UmvfZ+Cm5+lz48UJSG/Vxpc/SgJY8CfAR4dJZKEyvG nU6/hqOltmYuejkrXFCX3UaJ4ttuObg= 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> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240509_020601_925795_33D4476E X-CRM114-Status: GOOD ( 13.92 ) 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 | 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(); }