From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 0DFCFA0547; Thu, 21 Oct 2021 12:00:11 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id D5DFB4117A; Thu, 21 Oct 2021 12:00:10 +0200 (CEST) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by mails.dpdk.org (Postfix) with ESMTP id D048640142 for ; Thu, 21 Oct 2021 12:00:08 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1634810408; 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=1796TnQ2TX8jGWVGk5TAE0HM6p2NwfV6vLuq5KSqJF0=; b=Gbqyge71a2kA9fUq6OwLjvgj7WQwHLVvdeAoVCyqQ88jN5fyyoFvbxlglMw8L9lYovguRH BFwQfHUS7rkx432a6t4i7zwMmbNJVTnt7AeVhX9FOuLFYOp5+0dGqTrJ1RZTPw+FH6tc2G BOEdc3dk9QXjOUK5isaRono/Vb0utQo= 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-588-cvhNIDa-OdGEEebDoSjHsQ-1; Thu, 21 Oct 2021 06:00:07 -0400 X-MC-Unique: cvhNIDa-OdGEEebDoSjHsQ-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 502CE10A8E00; Thu, 21 Oct 2021 10:00:05 +0000 (UTC) Received: from [10.39.208.27] (unknown [10.39.208.27]) by smtp.corp.redhat.com (Postfix) with ESMTPS id EF034100164A; Thu, 21 Oct 2021 10:00:02 +0000 (UTC) Message-ID: <0c7cd125-8e83-5863-e290-d564ee93fcfa@redhat.com> Date: Thu, 21 Oct 2021 12:00:01 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.1.0 To: Xuan Ding , dev@dpdk.org, anatoly.burakov@intel.com, chenbo.xia@intel.com Cc: jiayu.hu@intel.com, cheng1.jiang@intel.com, bruce.richardson@intel.com, sunil.pai.g@intel.com, yinan.wang@intel.com, yvonnex.yang@intel.com References: <20210901053044.109901-1-xuan.ding@intel.com> <20211011075942.38180-1-xuan.ding@intel.com> <20211011075942.38180-3-xuan.ding@intel.com> From: Maxime Coquelin In-Reply-To: <20211011075942.38180-3-xuan.ding@intel.com> X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=maxime.coquelin@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [dpdk-dev] [PATCH v7 2/2] vhost: enable IOMMU for async vhost X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 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 10/11/21 09:59, Xuan Ding wrote: > The use of IOMMU has many advantages, such as isolation and address > translation. This patch extends the capbility of DMA engine to use > IOMMU if the DMA engine is bound to vfio. > > When set memory table, the guest memory will be mapped > into the default container of DPDK. > > Signed-off-by: Xuan Ding > --- > lib/vhost/vhost.h | 4 ++ > lib/vhost/vhost_user.c | 116 ++++++++++++++++++++++++++++++++++++++++- > 2 files changed, 118 insertions(+), 2 deletions(-) > Reviewed-by: Maxime Coquelin Thanks, Maxime