From patchwork Thu Apr 7 15:56:40 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vitaly Kuznetsov X-Patchwork-Id: 12805478 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DD7F1C433FE for ; Thu, 7 Apr 2022 15:58:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345448AbiDGQAX (ORCPT ); Thu, 7 Apr 2022 12:00:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50474 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345409AbiDGQAO (ORCPT ); Thu, 7 Apr 2022 12:00:14 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 77A83DE081 for ; Thu, 7 Apr 2022 08:58:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1649347092; 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=bBLhChg87FRrs5MpYt/tg2Gm57CzbrV4UINPPthvRVg=; b=STRHMMdyI70wcxhbOmp/mVfKDxSO0JbgeIWqnzg8g/gjpqLdQA9h3z37YDng1r7DcJkVa2 y0xnVrxZdglGP5Zz9r0AyXE5JV3sA8b9PD6bO02mQ2MY8GTyAaZ/af1RXQM+uVBkS0zESz g4MmJpDopSJ2ZJ7JccHfedmSRhG8lo0= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-338-Lp2EH2pmPW-4agw7rPLROw-1; Thu, 07 Apr 2022 11:58:09 -0400 X-MC-Unique: Lp2EH2pmPW-4agw7rPLROw-1 Received: from smtp.corp.redhat.com (int-mx09.intmail.prod.int.rdu2.redhat.com [10.11.54.9]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id E1734100DE70; Thu, 7 Apr 2022 15:58:07 +0000 (UTC) Received: from fedora.redhat.com (unknown [10.40.192.50]) by smtp.corp.redhat.com (Postfix) with ESMTP id 209CA427852; Thu, 7 Apr 2022 15:57:53 +0000 (UTC) From: Vitaly Kuznetsov To: kvm@vger.kernel.org, Paolo Bonzini Cc: Sean Christopherson , Wanpeng Li , Jim Mattson , Michael Kelley , Siddharth Chandrasekaran , linux-kernel@vger.kernel.org Subject: [PATCH v2 26/31] KVM: selftests: nVMX: Allocate Hyper-V partition assist page Date: Thu, 7 Apr 2022 17:56:40 +0200 Message-Id: <20220407155645.940890-27-vkuznets@redhat.com> In-Reply-To: <20220407155645.940890-1-vkuznets@redhat.com> References: <20220407155645.940890-1-vkuznets@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.85 on 10.11.54.9 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org In preparation to testing Hyper-V Direct TLB flush hypercalls, allocate so-called Partition assist page and link it to 'struct vmx_pages'. Signed-off-by: Vitaly Kuznetsov --- tools/testing/selftests/kvm/include/x86_64/vmx.h | 4 ++++ tools/testing/selftests/kvm/lib/x86_64/vmx.c | 7 +++++++ 2 files changed, 11 insertions(+) diff --git a/tools/testing/selftests/kvm/include/x86_64/vmx.h b/tools/testing/selftests/kvm/include/x86_64/vmx.h index 583ceb0d1457..f99922ca8259 100644 --- a/tools/testing/selftests/kvm/include/x86_64/vmx.h +++ b/tools/testing/selftests/kvm/include/x86_64/vmx.h @@ -567,6 +567,10 @@ struct vmx_pages { uint64_t enlightened_vmcs_gpa; void *enlightened_vmcs; + void *partition_assist_hva; + uint64_t partition_assist_gpa; + void *partition_assist; + void *eptp_hva; uint64_t eptp_gpa; void *eptp; diff --git a/tools/testing/selftests/kvm/lib/x86_64/vmx.c b/tools/testing/selftests/kvm/lib/x86_64/vmx.c index d089d8b850b5..3db21e0e1a8f 100644 --- a/tools/testing/selftests/kvm/lib/x86_64/vmx.c +++ b/tools/testing/selftests/kvm/lib/x86_64/vmx.c @@ -124,6 +124,13 @@ vcpu_alloc_vmx(struct kvm_vm *vm, vm_vaddr_t *p_vmx_gva) vmx->enlightened_vmcs_gpa = addr_gva2gpa(vm, (uintptr_t)vmx->enlightened_vmcs); + /* Setup of a region of guest memory for the partition assist page. */ + vmx->partition_assist = (void *)vm_vaddr_alloc_page(vm); + vmx->partition_assist_hva = + addr_gva2hva(vm, (uintptr_t)vmx->partition_assist); + vmx->partition_assist_gpa = + addr_gva2gpa(vm, (uintptr_t)vmx->partition_assist); + *p_vmx_gva = vmx_gva; return vmx; }