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 X-Spam-Level: X-Spam-Status: No, score=-6.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E7E12C433EF for ; Fri, 3 Sep 2021 00:58:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C3D5B60EE3 for ; Fri, 3 Sep 2021 00:58:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239772AbhICA7L (ORCPT ); Thu, 2 Sep 2021 20:59:11 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:24092 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234290AbhICA7L (ORCPT ); Thu, 2 Sep 2021 20:59:11 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1630630692; 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: in-reply-to:in-reply-to:references:references; bh=dweDyOYjcmK69myJXjFnVZ/WQ447Q7GxQ0zWDd/1fFI=; b=BeBOEe6BK/egvYZju1heTP/MSRWakmziaTzNOKXjTfWUHxtWU7rjb6q+EY6ZUEc7vxPbWa dhtM1ZCZgLuADq5ClmuHvcytaKdLWtGO0wyq+QF2eq2rVxKgXZlRRRamZaBlwboYYhZbfZ 58oTdQXUc/NqREd1wIJB2bBICebrPMk= Received: from mail-lj1-f199.google.com (mail-lj1-f199.google.com [209.85.208.199]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-159-5bKNRDHLNzWAKC_LdYj4ow-1; Thu, 02 Sep 2021 20:58:10 -0400 X-MC-Unique: 5bKNRDHLNzWAKC_LdYj4ow-1 Received: by mail-lj1-f199.google.com with SMTP id w11-20020a2e998b000000b001c071349c96so1610929lji.15 for ; Thu, 02 Sep 2021 17:58:10 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=dweDyOYjcmK69myJXjFnVZ/WQ447Q7GxQ0zWDd/1fFI=; b=qadTzmYlhzv2s8OcvZefrtIf1QAuCQhZkD5ahDw7xathtD/lnjcjlmm4SrPxkolr43 H+sWVp03byjsAn0yu8NDARDUPEZ4KaGq+Va4GL09cRyEGZ1DkrVSm51hPZGUmqbbTUz1 lD/E7y2OiWOD36+j47+QXXkw0paD3PmfsgfWUP1IrhjsJGrkMoDqBVQAUmoVU972ukCW H6PS+s7rWpzdyfCgcsphobXq7RuV+mLtAGwZqgEu7/PGH5LCpMneIQ2CNcNfiM6gzoqD M+kzsbNP510M5zeZW0EHS91QBhBl8mfhrHXKoAFPk6XHzx9buqXsw5s8XSqGVfNa3VMJ umAQ== X-Gm-Message-State: AOAM531TyyXRlWfiZI+SpEV13kclbeYeYfsUddiyAmYGvveAUEbfab0E 4CJWOzl7K3T2pDQn7D4F6qBcLH1uCyuuzWazqZAjPhgpHSJzq+5RJXyf6vY99L7t6480Tqk2G77 pjAKlnxoIdzy7jfITv4NhzM4AknOE7j3ewGKK3Q== X-Received: by 2002:a2e:801a:: with SMTP id j26mr822117ljg.385.1630630689438; Thu, 02 Sep 2021 17:58:09 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxv+cC/51MDemLJlyzI1/sE33ac9c6oU7NLMZ7/q8qpYz09PPl+mZKp6gK057IgTiCC/j+wiUqVqDbsh2Yb5aA= X-Received: by 2002:a2e:801a:: with SMTP id j26mr822105ljg.385.1630630689270; Thu, 02 Sep 2021 17:58:09 -0700 (PDT) MIME-Version: 1.0 References: <20210902130625.25277-1-weijunji@bytedance.com> In-Reply-To: <20210902130625.25277-1-weijunji@bytedance.com> From: Jason Wang Date: Fri, 3 Sep 2021 08:57:57 +0800 Message-ID: Subject: Re: [RFC 0/5] VirtIO RDMA To: Junji Wei Cc: dledford@redhat.com, jgg@ziepe.ca, mst , yuval.shaia.ml@gmail.com, marcel.apfelbaum@gmail.com, Cornelia Huck , Hannes Reinecke , Yongji Xie , =?UTF-8?B?5p+056iz?= , linux-rdma@vger.kernel.org, virtualization , qemu-devel Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org On Thu, Sep 2, 2021 at 9:07 PM Junji Wei wrote: > > Hi all, > > This RFC aims to reopen the discussion of Virtio RDMA. > Now this is based on Yuval Shaia's RFC "VirtIO RDMA" > which implemented a frame for Virtio RDMA and a simple > control path (Not sure if Yuval Shaia has any further > plan for it). > > We try to extend this work and implement a simple > data-path and a completed control path. Now this can > work with SEND, RECV and REG_MR in kernel. There is a > simple test module in this patch that can communicate > with ibv_rc_pingpong in rdma-core. > > During doing this work, we have found some problems and > would like to ask for some suggestions from community: I think it would be beneficial if you can post a spec patch. Thanks