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=-5.8 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 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 E2A1CC5519F for ; Fri, 20 Nov 2020 14:41:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 874902224C for ; Fri, 20 Nov 2020 14:41:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="TUkGMczl" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728041AbgKTOlQ (ORCPT ); Fri, 20 Nov 2020 09:41:16 -0500 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:46346 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727897AbgKTOlP (ORCPT ); Fri, 20 Nov 2020 09:41:15 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1605883274; 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=O1lkgsCtAW9gay4nzrsgpJCYCXHG/gdOfQ5aoMkR6+I=; b=TUkGMczl366J9djoxklEC+y+r3wfAu92vtP3RlKShEWi58kTYJS3em/FiSm0Lipgu9EcCI ll2SHsHYF+gPBhqCoD0j5vmjSSKNI8dRejlgcS2DKojY8MymGMn4rfELziXIBSMbCSlno/ AALheBiPuFWP70zryjgjDKbK8VTwWq4= Received: from mail-wr1-f69.google.com (mail-wr1-f69.google.com [209.85.221.69]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-531-aBXpNp_wNF2CFcvwAk-v3A-1; Fri, 20 Nov 2020 09:41:12 -0500 X-MC-Unique: aBXpNp_wNF2CFcvwAk-v3A-1 Received: by mail-wr1-f69.google.com with SMTP id l5so3457858wrn.18 for ; Fri, 20 Nov 2020 06:41:11 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=O1lkgsCtAW9gay4nzrsgpJCYCXHG/gdOfQ5aoMkR6+I=; b=Su7EEZDHuY+iUqL/jvR55zVZDmv8a/WCOi3Uoz1t/g7eASWnYJ8GP5/RXnbkM/E3QP oQ9xMpOcc+fDSVRhRnlSO78gTe8Be3bdGmusAPNdn7agk++fke6Ja8zpwbpeQq/c3zLF 0EqWEPbVavIO3/eZRl2hbX/a0iBNT35fGFYV2UP7h4hake3GfhzWfFtrIKSEFGmLdLnT 6Lr9XsF45khE/sYmhn5k/IZL9Z2/RTHEvgAwYAH6umOiUCWbgqdHj1qHBCDVk+/Avaw7 qwTqESiYadWZHj4zo9mb/Zqrnyn4F2kiK++doB//DQlAaXNe2gNHBfDr1ivtdmIwTxjv 9u9A== X-Gm-Message-State: AOAM5307+9OdPPVeqAzZKzFXas8XpQ1rVorqqk6ASosJcGWf+qg9GZ7R gx1dUyHCakvHSuqlL+Xr3Y/Yts9gFr6eCCzm4KtKR1ytbAkhdqI4yx/p5L02443amAKXP3Ifqma TjZzyysmoEtOibuKRpac/IaY0 X-Received: by 2002:adf:f181:: with SMTP id h1mr15982313wro.267.1605883271029; Fri, 20 Nov 2020 06:41:11 -0800 (PST) X-Google-Smtp-Source: ABdhPJxEZQejCgLFVrq6q+ujHyBd46vdktdOw4jy0hWO52Dab1yBLPrKbw2vTOTtv2NCzaReoRni8w== X-Received: by 2002:adf:f181:: with SMTP id h1mr15982290wro.267.1605883270766; Fri, 20 Nov 2020 06:41:10 -0800 (PST) Received: from steredhat (host-79-17-248-175.retail.telecomitalia.it. [79.17.248.175]) by smtp.gmail.com with ESMTPSA id k64sm4598406wmb.11.2020.11.20.06.41.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 20 Nov 2020 06:41:10 -0800 (PST) Date: Fri, 20 Nov 2020 15:41:07 +0100 From: Stefano Garzarella To: Stefan Hajnoczi Cc: virtualization@lists.linux-foundation.org, Laurent Vivier , linux-kernel@vger.kernel.org, Eli Cohen , Jason Wang , "Michael S. Tsirkin" , Max Gurtovoy Subject: Re: [PATCH RFC 10/12] vdpa_sim: split vdpasim_virtqueue's iov field in riov and wiov Message-ID: <20201120144107.hlpkkrjdvjhvuxma@steredhat> References: <20201113134712.69744-1-sgarzare@redhat.com> <20201113134712.69744-11-sgarzare@redhat.com> <20201117112703.GF131917@stefanha-x1.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <20201117112703.GF131917@stefanha-x1.localdomain> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Nov 17, 2020 at 11:27:03AM +0000, Stefan Hajnoczi wrote: >On Fri, Nov 13, 2020 at 02:47:10PM +0100, Stefano Garzarella wrote: >> vringh_getdesc_iotlb() manages 2 iovs for writable and readable >> descriptors. This is very useful for the block device, where for >> each request we have both types of descriptor. >> >> Let's split the vdpasim_virtqueue's iov field in riov and wiov >> to use them with vringh_getdesc_iotlb(). > >Is riov/wiov naming common? VIRTIO uses "in" (device-to-driver) and >"out" (driver-to-device). Using VIRTIO terminology might be clearer. I followed the vringh_getdesc_iotlb() attribute names, but I agree that "in" and "out" would be better. I lost multiple times with read/write... I'll fix! Thanks, Stefano