From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <dev-bounces@dpdk.org>
Received: from dpdk.org (dpdk.org [92.243.14.124])
	by inbox.dpdk.org (Postfix) with ESMTP id 29920A04A4;
	Mon,  4 Nov 2019 09:47:17 +0100 (CET)
Received: from [92.243.14.124] (localhost [127.0.0.1])
	by dpdk.org (Postfix) with ESMTP id 861C4493D;
	Mon,  4 Nov 2019 09:47:16 +0100 (CET)
Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28])
 by dpdk.org (Postfix) with ESMTP id 919A737B7
 for <dev@dpdk.org>; Mon,  4 Nov 2019 09:47:14 +0100 (CET)
Received: from mail-wm1-f72.google.com (mail-wm1-f72.google.com
 [209.85.128.72])
 (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits))
 (No client certificate requested)
 by mx1.redhat.com (Postfix) with ESMTPS id B381887640
 for <dev@dpdk.org>; Mon,  4 Nov 2019 08:47:13 +0000 (UTC)
Received: by mail-wm1-f72.google.com with SMTP id y14so3448888wmj.9
 for <dev@dpdk.org>; Mon, 04 Nov 2019 00:47:13 -0800 (PST)
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
 d=1e100.net; s=20161025;
 h=x-gm-message-state:subject:to:cc:references:from:autocrypt
 :message-id:date:user-agent:mime-version:in-reply-to
 :content-language:content-transfer-encoding;
 bh=avO6Mt27Fsl/QQQI6bggya0Qo8EdV3bynDeQrNwad6U=;
 b=LmOS1SQDmtqoL3sXEwGcsRD5XAop8IXzoH++vF2ndoJKknVX5k/M6Sy05/a8b1pzCo
 1UiA3EKu34v5ovY8GCEPhrZYPjzuF6gNNuUZ7nnvWsmfN3vH/1rNNYMQ3Q4BiIcsc0UE
 LjTtbpmO4Hemnvmv3x6PHFAG/IErGkhFMbTvEp5/SYpYThLphpTVO6QyjfD5sGiBJ4Ih
 Pa6e4aeC/nSRnPgGdvhNTcoq3fjBpcMZQvgo9HILcPAfGcoV+VTtvC4FDNkUYhEKXHnu
 qeYxIF/BZbsJj+cvL1X7p+ds3NRn1vfDaJs4BHYCK5u6/xGLhiDgCVoDNaOd/a0Pml/C
 QTrw==
X-Gm-Message-State: APjAAAV56E6ynKty9X1Qrg+QQ79Afexp7nISoHqU/+ltljDWo2j4INHz
 xj2nbTn1SGOZnzRRXCIYQzGPQQEPYWLaoAjHUWI6ELPO2mcJtEIr5cna0a9zb83leYNfFPU+syo
 SslQ=
X-Received: by 2002:adf:b199:: with SMTP id q25mr23489376wra.320.1572857232072; 
 Mon, 04 Nov 2019 00:47:12 -0800 (PST)
X-Google-Smtp-Source: APXvYqzSeOEDVn3NjejLaKsPVECmLJ6lvL+KiAJgypUGPprTGVyONkGf0lAAq+g20otFMu906R1QPQ==
X-Received: by 2002:adf:b199:: with SMTP id q25mr23489361wra.320.1572857231922; 
 Mon, 04 Nov 2019 00:47:11 -0800 (PST)
Received: from amorenoz.users.ipa.redhat.com ([81.0.4.169])
 by smtp.gmail.com with ESMTPSA id t134sm19346130wmt.24.2019.11.04.00.47.10
 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128);
 Mon, 04 Nov 2019 00:47:10 -0800 (PST)
To: Marvin Liu <yong.liu@intel.com>, maxime.coquelin@redhat.com,
 tiwei.bie@intel.com, zhihong.wang@intel.com
Cc: dev@dpdk.org
References: <20191030145602.1948-1-yong.liu@intel.com>
 <20191104101322.53017-1-yong.liu@intel.com>
From: Adrian Moreno <amorenoz@redhat.com>
Autocrypt: addr=amorenoz@redhat.com; prefer-encrypt=mutual; keydata=
 mQENBF1syNUBCADQ9dk3fDMxOZ/+OQpmbanpodYxEv8IRtDz8PXw8YX7UyGfozOpLjQ8Fftj
 ZxuubYNbt2QVbSgviFilFdNWu2eTnN/JaGtfhmTOLPVoakkPHZF8lbgImMoch7L0fH8wN2IM
 KPxQyPNlX+K9FD5brHsV1lfe1TwAxmhcvLW8yNrVq+9eDIDykxc7tH4exIqXgZroahGxMHKy
 c8Ti2kJka/t6pDfRaY0J+6J7I1nrn6GXXSMNA45EH8+0N/QlcXhP3rfftnoPeVmpjswzvJqY
 FNjf/Q5VPLx7RX0Qx+y8mMB2JcChV5Bl7D7x5EUbItj6+Sy7QfOgCtPegk9HSrBCNYaLABEB
 AAG0I0FkcmlhbiBNb3Jlbm8gPGFtb3Jlbm96QHJlZGhhdC5jb20+iQFUBBMBCAA+FiEEogUD
 gihhmbOPHy26d5C5fbYeFsUFAl1syNUCGwMFCQHhM4AFCwkIBwIGFQoJCAsCBBYCAwECHgEC
 F4AACgkQd5C5fbYeFsX7qwgArGHSkX+ILNcujkVzjTG4OtkpJMPFlkn/1PxSEKD0jLuzx14B
 COzpg/Mqj3Re/QBuOas+ci9bsUA0/2nORtmmEBvzDOJpR5FH1jaGCx8USlY4WM6QqEDNZgTw
 hsy9KhjFzFjMk+oo3HyItXA+Uq9yrRBTjNBGTXxezMRcMuUZ4MIAfY0IRBglL2BufiuL43jD
 BvTENNFLoQ/wFV7qkFWSkv+8IjTsxr7M6XUo1QLd29Hn0dvwssN579HL1+BP46i2REpzeBEG
 L75iVChi+YnIQQNMJ9NYarVabZx4Y1Gn8+7B/1SNArDV+IDgnYgt7E58otoV2Ap310dmtuvE
 VbxGpbkBDQRdbMjVAQgAqyp9oA7WDu7/Y9T4Ommt69iZx8os7shUIfdgPEy5xrcPn6qGwN1/
 HQ4j8nWfBG9uuX1X0RXUZIUEtYTxtED4yaCQMTqDUf9cBAwAA2mYxBfoiNYx8YqxM+sT0/J4
 2qmDd+y+20UR4yzHE8AmIbspTzDFIJDAi+jKSR8F355z0sfW7CIMDC4ZWrPsskjEy1YN/U10
 r6tRRH1kNyrCSbTG0d9MtcQO58h7DLXuzUhErB+BtG52A04t5cweIJTJC+koV5XPeilzlHnm
 RFoj0ncruGa9Odns21BNt3cy9wLfK+aUnWuAB1uc6bJGQPiAwjkilz7g7MBRUuIQ2Zt7HGLc
 SwARAQABiQE8BBgBCAAmFiEEogUDgihhmbOPHy26d5C5fbYeFsUFAl1syNUCGwwFCQHhM4AA
 CgkQd5C5fbYeFsUlSwf8CH+u/IXaE7WeWxwFkMaORfW8cM4q0xrL3M6yRGuQNW+kMjnrvK9U
 J9G+L1/5uTRbDQ/4LdoKqize8LjehA+iF6ba4t9Npikh8fLKWgaJfQ/hPhH4C3O5gWPOLTW6
 ylGxiuER4CdFwQIoAMMslhFA7G+teeOKBq36E+1+zrybI6Xy1UBSlpDK9j4CtTnMQejjuSQb
 Qhle+l8VroaUHq869wjAhRHHhqmtJKggI+OvzgQpDIwfHIDypb1BuKydi2W6cVYEALUYyCLS
 dTBDhzj8zR5tPCsga8J7+TclQzkWOiI2C6ZtiWrMsL/Uym3uXk5nsoc7lSj7yLd/MrBRhYfP JQ==
Message-ID: <bcbfd749-70c3-0b4f-348c-1c546f4b7ea4@redhat.com>
Date: Mon, 4 Nov 2019 09:47:10 +0100
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101
 Thunderbird/68.1.1
MIME-Version: 1.0
In-Reply-To: <20191104101322.53017-1-yong.liu@intel.com>
Content-Type: text/plain; charset=utf-8
Content-Language: en-US
Content-Transfer-Encoding: 7bit
Subject: Re: [dpdk-dev] [PATCH v4] vhost: fix vhost user virtqueue not
	accessible
X-BeenThere: dev@dpdk.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: DPDK patches and discussions <dev.dpdk.org>
List-Unsubscribe: <https://mails.dpdk.org/options/dev>,
 <mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://mails.dpdk.org/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <https://mails.dpdk.org/listinfo/dev>,
 <mailto:dev-request@dpdk.org?subject=subscribe>
Errors-To: dev-bounces@dpdk.org
Sender: "dev" <dev-bounces@dpdk.org>

On 11/4/19 11:13 AM, Marvin Liu wrote:
> Log feature is disabled in vhost user, so that log address was invalid
> when checking. Check whether log address is valid can work around it.
> Log address should also be translated in packed ring virtqueue.
> 
> Fixes: 04cfc7fdbfca ("vhost: translate incoming log address to gpa")
> 
> Signed-off-by: Marvin Liu <yong.liu@intel.com>
> ---
>  lib/librte_vhost/vhost_user.c | 20 +++++++++++---------
>  1 file changed, 11 insertions(+), 9 deletions(-)
> 
> diff --git a/lib/librte_vhost/vhost_user.c b/lib/librte_vhost/vhost_user.c
> index 61ef699ac..09e241305 100644
> --- a/lib/librte_vhost/vhost_user.c
> +++ b/lib/librte_vhost/vhost_user.c
> @@ -641,11 +641,21 @@ translate_ring_addresses(struct virtio_net *dev, int vq_index)
>  	struct vhost_vring_addr *addr = &vq->ring_addrs;
>  	uint64_t len, expected_len;
>  
> +	if (addr->flags & (1 << VHOST_VRING_F_LOG)) {
> +		vq->log_guest_addr =
> +			translate_log_addr(dev, vq, addr->log_guest_addr);
> +		if (vq->log_guest_addr == 0) {
> +			RTE_LOG(DEBUG, VHOST_CONFIG,
> +				"(%d) failed to map log_guest_addr.\n",
> +				dev->vid);
> +			return dev;
> +		}
> +	}
> +
>  	if (vq_is_packed(dev)) {
>  		len = sizeof(struct vring_packed_desc) * vq->size;
>  		vq->desc_packed = (struct vring_packed_desc *)(uintptr_t)
>  			ring_addr_to_vva(dev, vq, addr->desc_user_addr, &len);
> -		vq->log_guest_addr = 0;
>  		if (vq->desc_packed == NULL ||
>  				len != sizeof(struct vring_packed_desc) *
>  				vq->size) {
> @@ -741,14 +751,6 @@ translate_ring_addresses(struct virtio_net *dev, int vq_index)
>  		vq->last_avail_idx = vq->used->idx;
>  	}
>  
> -	vq->log_guest_addr =
> -		translate_log_addr(dev, vq, addr->log_guest_addr);
> -	if (vq->log_guest_addr == 0) {
> -		RTE_LOG(DEBUG, VHOST_CONFIG,
> -			"(%d) failed to map log_guest_addr .\n",
> -			dev->vid);
> -		return dev;
> -	}
>  	vq->access_ok = 1;
>  
>  	VHOST_LOG_DEBUG(VHOST_CONFIG, "(%d) mapped address desc: %p\n",
> 

Reviewed-by: Adrian Moreno <amorenoz@redhat.com>