From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A4D37C433E7 for ; Fri, 17 Jul 2020 11:34:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 807F420775 for ; Fri, 17 Jul 2020 11:34:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="VNGBFVe5" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726858AbgGQLeq (ORCPT ); Fri, 17 Jul 2020 07:34:46 -0400 Received: from us-smtp-delivery-1.mimecast.com ([207.211.31.120]:24147 "EHLO us-smtp-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726104AbgGQLea (ORCPT ); Fri, 17 Jul 2020 07:34:30 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1594985669; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=7UJmD/rvbE9K5xfGmqgRe3dQa77FW0PkN9Ro4ee9Oes=; b=VNGBFVe5KvTKKobDJHLUFcxZR4K4QwUho2HXgzZ2k1v9/Ww6JBud7Qj8NSk2hxqvAzAp7d Tk3dwRFKCoQAx3XWKlRsRys0EofCplnCQdoPBmGkTCyLYIoDHydYx703YtfSk4pSqX3pBm mMYB9+tZc2Fzpze0daAHsQRsh2a3+lo= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-355-Ojscl9VzMgOVNYnht5IPNw-1; Fri, 17 Jul 2020 07:34:26 -0400 X-MC-Unique: Ojscl9VzMgOVNYnht5IPNw-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id D7F65108A; Fri, 17 Jul 2020 11:34:24 +0000 (UTC) Received: from virtlab710.virt.lab.eng.bos.redhat.com (virtlab710.virt.lab.eng.bos.redhat.com [10.19.152.252]) by smtp.corp.redhat.com (Postfix) with ESMTP id 613FE19C58; Fri, 17 Jul 2020 11:34:24 +0000 (UTC) From: Cathy Avery To: linux-kernel@vger.kernel.org, kvm@vger.kernel.org, pbonzini@redhat.com Subject: [PATCH kvm-unit-tests v2 3/3] svm: INIT intercept test Date: Fri, 17 Jul 2020 07:34:22 -0400 Message-Id: <20200717113422.19575-4-cavery@redhat.com> In-Reply-To: <20200717113422.19575-1-cavery@redhat.com> References: <20200717113422.19575-1-cavery@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org INIT vcpu 2 and intercept the INIT. This test will leave the vcpu in an unusable state. Signed-off-by: Cathy Avery --- x86/svm_tests.c | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) diff --git a/x86/svm_tests.c b/x86/svm_tests.c index 698eb20..b43c19f 100644 --- a/x86/svm_tests.c +++ b/x86/svm_tests.c @@ -1939,6 +1939,43 @@ static bool init_startup_check(struct svm_test *test) return cpu_online_count == orig_cpu_count; } +static volatile bool init_intercept; + +static void init_intercept_prepare(struct svm_test *test) +{ + init_intercept = false; + vmcb_ident(vmcb); + vmcb->control.intercept |= (1ULL << INTERCEPT_INIT); +} + +static void init_intercept_test(struct svm_test *test) +{ + apic_icr_write(APIC_DEST_SELF | APIC_DEST_PHYSICAL | APIC_DM_INIT | APIC_INT_ASSERT, 0); +} + +static bool init_intercept_finished(struct svm_test *test) +{ + vmcb->save.rip += 3; + + if (vmcb->control.exit_code != SVM_EXIT_INIT) { + report(false, "VMEXIT not due to init intercept. Exit reason 0x%x", + vmcb->control.exit_code); + + return true; + } + + init_intercept = true; + + report(true, "INIT to vcpu intercepted"); + + return true; +} + +static bool init_intercept_check(struct svm_test *test) +{ + return init_intercept; +} + #define TEST(name) { #name, .v2 = name } /* @@ -2255,6 +2292,9 @@ struct svm_test svm_tests[] = { { "svm_init_startup_test", smp_supported, init_startup_prepare, default_prepare_gif_clear, null_test, init_startup_finished, init_startup_check }, + { "svm_init_intercept_test", smp_supported, init_intercept_prepare, + default_prepare_gif_clear, init_intercept_test, + init_intercept_finished, init_intercept_check, .on_vcpu = 2 }, TEST(svm_guest_state_test), { NULL, NULL, NULL, NULL, NULL, NULL, NULL } }; -- 2.20.1