From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <dev-bounces@dpdk.org> Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 9090343A73; Tue, 6 Feb 2024 15:58:41 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id A4A6342DA1; Tue, 6 Feb 2024 15:57:53 +0100 (CET) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by mails.dpdk.org (Postfix) with ESMTP id 3CDCA427E2 for <dev@dpdk.org>; Tue, 6 Feb 2024 15:57:52 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1707231471; 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:autocrypt:autocrypt; bh=uhI+SbZ2W1TXNff36OIRynBjJraj6qGUyrSMyKxQbpM=; b=g/3nznT6B0mLjaFBCvILIFfyRCZjYaC7vlkIyc4OuMUS1/jsd/BdIL6Weksy0SmB0Vp3qS MYGa1rfovXtw+ptVElygD0W3hXN5FODUd5rbi6ZNJMxxpXnwER6TVWLMb3WDZCIcGppN5V Qzz0sQirc+0G0j38cRLyKMozcu9FUSA= Received: from mimecast-mx02.redhat.com (mx-ext.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-393-KBOWaiEJMrOh-TBWTEdQGg-1; Tue, 06 Feb 2024 09:57:50 -0500 X-MC-Unique: KBOWaiEJMrOh-TBWTEdQGg-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.rdu2.redhat.com [10.11.54.8]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 3BB8E1C06509; Tue, 6 Feb 2024 14:57:50 +0000 (UTC) Received: from [10.39.208.18] (unknown [10.39.208.18]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 38449C07F51; Tue, 6 Feb 2024 14:57:49 +0000 (UTC) Message-ID: <83e41f08-5fb5-4d8e-a14e-d8410ff18836@redhat.com> Date: Tue, 6 Feb 2024 15:57:49 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 1/2] net/virtio-user: improve kick performance with notification area mapping To: Srujana Challa <schalla@marvell.com>, dev@dpdk.org, chenbox@nvidia.com Cc: jerinj@marvell.com, vattunuru@marvell.com References: <20231208053121.152929-1-schalla@marvell.com> <20240123105523.751151-1-schalla@marvell.com> From: Maxime Coquelin <maxime.coquelin@redhat.com> Autocrypt: addr=maxime.coquelin@redhat.com; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 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 On 1/23/24 11:55, Srujana Challa wrote: > This patch introduces new virtio-user callbacks to map the vq > notification area and implements it for the vhost-vDPA backend. > This is simply done by using mmap()/munmap() for the vhost-vDPA fd. > > And also adds code to write to queue notify address in notify callback. > This will help in increasing the kick performance. > > Signed-off-by: Srujana Challa <schalla@marvell.com> > --- > drivers/net/virtio/virtio_user/vhost.h | 2 + > drivers/net/virtio/virtio_user/vhost_vdpa.c | 68 +++++++++++++++++++ > .../net/virtio/virtio_user/virtio_user_dev.c | 43 ++++++++++-- > .../net/virtio/virtio_user/virtio_user_dev.h | 2 + > drivers/net/virtio/virtio_user_ethdev.c | 37 ++++++++-- > 5 files changed, 143 insertions(+), 9 deletions(-) > Applied to next-virtio tree. Thanks, Maxime