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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 035D1C433EF for ; Wed, 11 May 2022 12:18:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242170AbiEKMSR (ORCPT ); Wed, 11 May 2022 08:18:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53628 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242239AbiEKMSN (ORCPT ); Wed, 11 May 2022 08:18:13 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 45A0B541B3 for ; Wed, 11 May 2022 05:17:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1652271475; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=GmA6q8NHctcH7NYPbs3482+F7yKLa2wa2JctRTVCpik=; b=MT7QfHElLLbCXGNAApzWM/csIGhOSoQsYT5F2pBJiftg6nZuv9qNBERX9oa5quqiVtT25a +irngMr9jmtweq7H39WeLWqNk1JIkQcs/yNFmy8E9M0CyNrB5+xiOQAJjDIa+OfCn/jnfU t5K5AHJtJDPe1PvrzEJ5pdesorLa1is= 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-433-PIEiMDleNpaSTO1vz-LX1g-1; Wed, 11 May 2022 08:17:51 -0400 X-MC-Unique: PIEiMDleNpaSTO1vz-LX1g-1 Received: from smtp.corp.redhat.com (int-mx10.intmail.prod.int.rdu2.redhat.com [10.11.54.10]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id BEDCD1010361; Wed, 11 May 2022 12:17:50 +0000 (UTC) Received: from starship (unknown [10.40.192.26]) by smtp.corp.redhat.com (Postfix) with ESMTP id 7D43D416388; Wed, 11 May 2022 12:17:48 +0000 (UTC) Message-ID: Subject: Re: [PATCH v3 29/34] KVM: selftests: nSVM: Allocate Hyper-V partition assist and VP assist pages From: Maxim Levitsky To: Vitaly Kuznetsov , kvm@vger.kernel.org, Paolo Bonzini Cc: Sean Christopherson , Wanpeng Li , Jim Mattson , Michael Kelley , Siddharth Chandrasekaran , linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org Date: Wed, 11 May 2022 15:17:47 +0300 In-Reply-To: <20220414132013.1588929-30-vkuznets@redhat.com> References: <20220414132013.1588929-1-vkuznets@redhat.com> <20220414132013.1588929-30-vkuznets@redhat.com> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.36.5 (3.36.5-2.fc32) MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.85 on 10.11.54.10 Precedence: bulk List-ID: X-Mailing-List: linux-hyperv@vger.kernel.org On Thu, 2022-04-14 at 15:20 +0200, Vitaly Kuznetsov wrote: > In preparation to testing Hyper-V L2 TLB flush hypercalls, allocate VP > assist and Partition assist pages and link them to 'struct svm_test_data'. > > Signed-off-by: Vitaly Kuznetsov > --- > tools/testing/selftests/kvm/include/x86_64/svm_util.h | 10 ++++++++++ > tools/testing/selftests/kvm/lib/x86_64/svm.c | 10 ++++++++++ > 2 files changed, 20 insertions(+) > > diff --git a/tools/testing/selftests/kvm/include/x86_64/svm_util.h b/tools/testing/selftests/kvm/include/x86_64/svm_util.h > index a25aabd8f5e7..640859b58fd6 100644 > --- a/tools/testing/selftests/kvm/include/x86_64/svm_util.h > +++ b/tools/testing/selftests/kvm/include/x86_64/svm_util.h > @@ -34,6 +34,16 @@ struct svm_test_data { > void *msr; /* gva */ > void *msr_hva; > uint64_t msr_gpa; > + > + /* Hyper-V VP assist page */ > + void *vp_assist; /* gva */ > + void *vp_assist_hva; > + uint64_t vp_assist_gpa; > + > + /* Hyper-V Partition assist page */ > + void *partition_assist; /* gva */ > + void *partition_assist_hva; > + uint64_t partition_assist_gpa; > }; > > struct svm_test_data *vcpu_alloc_svm(struct kvm_vm *vm, vm_vaddr_t *p_svm_gva); > diff --git a/tools/testing/selftests/kvm/lib/x86_64/svm.c b/tools/testing/selftests/kvm/lib/x86_64/svm.c > index 736ee4a23df6..c284e8f87f5c 100644 > --- a/tools/testing/selftests/kvm/lib/x86_64/svm.c > +++ b/tools/testing/selftests/kvm/lib/x86_64/svm.c > @@ -48,6 +48,16 @@ vcpu_alloc_svm(struct kvm_vm *vm, vm_vaddr_t *p_svm_gva) > svm->msr_gpa = addr_gva2gpa(vm, (uintptr_t)svm->msr); > memset(svm->msr_hva, 0, getpagesize()); > > + svm->vp_assist = (void *)vm_vaddr_alloc_page(vm); > + svm->vp_assist_hva = addr_gva2hva(vm, (uintptr_t)svm->vp_assist); > + svm->vp_assist_gpa = addr_gva2gpa(vm, (uintptr_t)svm->vp_assist); > + memset(svm->vp_assist_hva, 0, getpagesize()); > + > + svm->partition_assist = (void *)vm_vaddr_alloc_page(vm); > + svm->partition_assist_hva = addr_gva2hva(vm, (uintptr_t)svm->partition_assist); > + svm->partition_assist_gpa = addr_gva2gpa(vm, (uintptr_t)svm->partition_assist); > + memset(svm->partition_assist_hva, 0, getpagesize()); > + > *p_svm_gva = svm_gva; > return svm; > } Reviewed-by: Maxim Levitsky Best regards, Maxim Levitsky