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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BB89BCDB46E for ; Thu, 12 Oct 2023 10:53:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343795AbjJLKxi (ORCPT ); Thu, 12 Oct 2023 06:53:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43364 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235665AbjJLKxh (ORCPT ); Thu, 12 Oct 2023 06:53:37 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 62F5694 for ; Thu, 12 Oct 2023 03:52:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1697107969; 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=WCc9mHbY2JlIHfp5VOa+l2dSwNloOuO6MCxzrGGXt3M=; b=hi9u5ioUIuLoP8YX55QHfILRGzOfcUDfWq+2WumE271KiXLiZYgA/GzTRD9o6Y+Vo+ojIx IDE+5jaRJMkHR6Eu0GIOvNXvP0GlvCtvQQ1Xlpbv8oS4dEwhw50yDz9z+/idVcrEEAFlxf Xo3zVqSBwJBENP32Iu4yh4sI8JQrhuw= Received: from mail-lf1-f70.google.com (mail-lf1-f70.google.com [209.85.167.70]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-613-mB2sN3A_OEiCNPxsOs2rXA-1; Thu, 12 Oct 2023 06:52:48 -0400 X-MC-Unique: mB2sN3A_OEiCNPxsOs2rXA-1 Received: by mail-lf1-f70.google.com with SMTP id 2adb3069b0e04-5043c463bf9so878228e87.0 for ; Thu, 12 Oct 2023 03:52:47 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1697107966; x=1697712766; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=WCc9mHbY2JlIHfp5VOa+l2dSwNloOuO6MCxzrGGXt3M=; b=Zm+dLDAgfyraFlx1OgreZ3Jk62rMQA/kC4d8hM1qzHrAvSymqHqwQ5zg/w8thJPcH/ T3ykCmA5BA0/2Y65jKCPwDKMUV4suElvC3v77NmS6fg/ofsAW0q8r1kvT1oSQx/vfzN7 rhMq9NM2580xGtd0bgJ0UNVKaZGE+b7AVZ6Us+enqVYsXgax5/eInaU2pQ72TEVZLtP7 5+Jv2iFi+K5JJ3Y/gkJJnQO9qHOEe022A1KKt2eE/Wow2dORnXlnTpd7h21M4s5qkgto 5YDPr2PR1C+2MyrjDgviP7StMVdC/2QMl2Qyr7v3j5/jfvaFk+OKr1MJqawVyi2Yk6MM laew== X-Gm-Message-State: AOJu0YwIVukuaKwERKaqfKKS8GMynoPLZJz14VuMpFMQYlfKBe7yV8SX LOvwV2g99epcn0m2OT2n/k4Sd52PjjFcaoAMhC7IIPJNSMGUeD1uOYNf/skEStqLezz89doB6Wg EONfrx/ny0avXsVAf++oB X-Received: by 2002:a05:6512:ba6:b0:503:2877:67d3 with SMTP id b38-20020a0565120ba600b00503287767d3mr23005974lfv.67.1697107966264; Thu, 12 Oct 2023 03:52:46 -0700 (PDT) X-Google-Smtp-Source: AGHT+IFzbTERUF8xEQetm4cgeqjsxy3FbcXouW9Y3QzwsFZi3a1d6dHvi0j5cXFUujnC5oFhbcHqgw== X-Received: by 2002:a05:6512:ba6:b0:503:2877:67d3 with SMTP id b38-20020a0565120ba600b00503287767d3mr23005953lfv.67.1697107965850; Thu, 12 Oct 2023 03:52:45 -0700 (PDT) Received: from redhat.com ([2a06:c701:73d2:bf00:e379:826:5137:6b23]) by smtp.gmail.com with ESMTPSA id c4-20020a5d4cc4000000b003247d3e5d99sm17990316wrt.55.2023.10.12.03.52.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 12 Oct 2023 03:52:45 -0700 (PDT) Date: Thu, 12 Oct 2023 06:52:42 -0400 From: "Michael S. Tsirkin" To: Parav Pandit Cc: Jason Wang , Jason Gunthorpe , Alex Williamson , Yishai Hadas , "kvm@vger.kernel.org" , "virtualization@lists.linux-foundation.org" , Feng Liu , Jiri Pirko , "kevin.tian@intel.com" , "joao.m.martins@oracle.com" , Leon Romanovsky , Maor Gottlieb Subject: Re: [PATCH vfio 11/11] vfio/virtio: Introduce a vfio driver over virtio devices Message-ID: <20231012065008-mutt-send-email-mst@kernel.org> References: <20230921152802-mutt-send-email-mst@kernel.org> <20230921195345.GZ13733@nvidia.com> <20230921155834-mutt-send-email-mst@kernel.org> <20230922122246.GN13733@nvidia.com> <20230925141713-mutt-send-email-mst@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Tue, Sep 26, 2023 at 03:45:36AM +0000, Parav Pandit wrote: > > > > From: Michael S. Tsirkin > > Sent: Tuesday, September 26, 2023 12:06 AM > > > One can thinkably do that wait in hardware, though. Just defer completion until > > read is done. > > > Once OASIS does such new interface and if some hw vendor _actually_ wants to do such complex hw, may be vfio driver can adopt to it. The reset behaviour I describe is already in the spec. What else do you want OASIS to standardize? Virtio currently is just a register map it does not yet include suggestions on how exactly do pci express transactions look. You feel we should add that? -- MST