From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 5AEA0A3160 for ; Fri, 11 Oct 2019 17:13:39 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 80E271EB1D; Fri, 11 Oct 2019 17:13:37 +0200 (CEST) Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by dpdk.org (Postfix) with ESMTP id 9633D1E8EF; Fri, 11 Oct 2019 17:13:35 +0200 (CEST) Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id D95EE3086E2F; Fri, 11 Oct 2019 15:13:34 +0000 (UTC) Received: from [10.36.112.48] (ovpn-112-48.ams2.redhat.com [10.36.112.48]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 6528960BE1; Fri, 11 Oct 2019 15:13:33 +0000 (UTC) To: Adrian Moreno , dev@dpdk.org Cc: tiwei.bie@intel.com, zhihong.wang@intel.com, stable@dpdk.org References: <20191009115432.14863-1-amorenoz@redhat.com> <20191009115432.14863-2-amorenoz@redhat.com> From: Maxime Coquelin Autocrypt: addr=maxime.coquelin@redhat.com; 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Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.1.0 MIME-Version: 1.0 In-Reply-To: <20191009115432.14863-2-amorenoz@redhat.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.44]); Fri, 11 Oct 2019 15:13:34 +0000 (UTC) Subject: Re: [dpdk-dev] [PATCH v6 1/3] vhost: translate incoming log address to gpa X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 10/9/19 1:54 PM, Adrian Moreno wrote: > When IOMMU is enabled the incoming log address is in IOVA space. In that > case, look in IOTLB table and translate the resulting HVA to GPA. > > If IOMMU is not enabled, the incoming log address is already a GPA so no > transformation is needed. > > Fixes: 69c90e98f483 ("vhost: enable IOMMU support") > Cc: maxime.coquelin@redhat.com > Cc: stable@dpdk.org > Signed-off-by: Adrian Moreno > > --- > v6 changes: use PRIx64 macro to fix UB1604-32 build > v5 changes: Rebase on top of dpdk-next-virtio > --- > lib/librte_vhost/vhost.c | 1 + > lib/librte_vhost/vhost.h | 20 +++++++++++++++++ > lib/librte_vhost/vhost_user.c | 42 ++++++++++++++++++++++++++++++++++- > 3 files changed, 62 insertions(+), 1 deletion(-) > Reviewed-by: Maxime Coquelin Thanks, Maxime