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 smtp1.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C9BADCD98C7 for ; Wed, 11 Oct 2023 06:59:35 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp1.osuosl.org (Postfix) with ESMTP id 5365E8204A; Wed, 11 Oct 2023 06:59:35 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp1.osuosl.org 5365E8204A Authentication-Results: smtp1.osuosl.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=GdZlfe3O X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp1.osuosl.org ([127.0.0.1]) by localhost (smtp1.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id vsCC0mklIvnI; Wed, 11 Oct 2023 06:59:34 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp1.osuosl.org (Postfix) with ESMTPS id E655E81EA6; Wed, 11 Oct 2023 06:59:33 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp1.osuosl.org E655E81EA6 Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id BB641C0039; Wed, 11 Oct 2023 06:59:33 +0000 (UTC) Received: from smtp1.osuosl.org (smtp1.osuosl.org [140.211.166.138]) by lists.linuxfoundation.org (Postfix) with ESMTP id 17314C0032 for ; Wed, 11 Oct 2023 06:59:32 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp1.osuosl.org (Postfix) with ESMTP id D31B681EA7 for ; Wed, 11 Oct 2023 06:59:31 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp1.osuosl.org D31B681EA7 X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp1.osuosl.org ([127.0.0.1]) by localhost (smtp1.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id lrFbNOM3PsPw for ; Wed, 11 Oct 2023 06:59:31 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by smtp1.osuosl.org (Postfix) with ESMTPS id 3F0F981EA6 for ; Wed, 11 Oct 2023 06:59:31 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp1.osuosl.org 3F0F981EA6 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=7+3//c/XdIYkg92t2zyGDW07nZCMeH5pMwbxvAuBdFc=; b=GdZlfe3Oe4euK9oxE7pFXqdFm/ UvCjrDcVEypDCN7pZ7YvuUhrX6PCZm0zyFOuJjNWC/xhxs1xTbyKbiQEWPoXxKTpozOUnb/XPqXXz 1ZFNyDtszEyWQiRdUdL+BL+Lpbaq9LxZJ8pq0FtRp7NF316RQdZyIALUWwgPrUoPu7HbnmT7lLW7l 4Sc1kIN2Q5nKuNqopaH/AFb6pzf2lsRMoT0IjE4uNYv+Jnt+x2GNXHXy8o9dz7W5GqSq1hQOh4iDX 7X90nICtOwzSAUlH2tE+bCTfrljlBNzpkLcxybENt741E24PDgbscWTtaCwnaijie/RTNTMChOc86 OFJC4eHQ==; Received: from hch by bombadil.infradead.org with local (Exim 4.96 #2 (Red Hat Linux)) id 1qqTBm-00F24c-2h; Wed, 11 Oct 2023 06:59:26 +0000 Date: Tue, 10 Oct 2023 23:59:26 -0700 From: Christoph Hellwig To: "Michael S. Tsirkin" Subject: Re: [PATCH vfio 10/11] vfio/virtio: Expose admin commands over virtio device Message-ID: References: <20231010131031.GJ3952@nvidia.com> <20231010094756-mutt-send-email-mst@kernel.org> <20231010140849.GL3952@nvidia.com> <20231010105339-mutt-send-email-mst@kernel.org> <20231010111339-mutt-send-email-mst@kernel.org> <20231010155937.GN3952@nvidia.com> <20231011021454-mutt-send-email-mst@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20231011021454-mutt-send-email-mst@kernel.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Cc: kvm@vger.kernel.org, maorg@nvidia.com, virtualization@lists.linux-foundation.org, Christoph Hellwig , Jason Gunthorpe , jiri@nvidia.com, leonro@nvidia.com X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" On Wed, Oct 11, 2023 at 02:43:37AM -0400, Michael S. Tsirkin wrote: > > Btw, what is that intel thing everyone is talking about? And why > > would the virtio core support vendor specific behavior like that? > > It's not a thing it's Zhu Lingshan :) intel is just one of the vendors > that implemented vdpa support and so Zhu Lingshan from intel is working > on vdpa and has also proposed virtio spec extensions for migration. > intel's driver is called ifcvf. vdpa composes all this stuff that is > added to vfio in userspace, so it's a different approach. Well, so let's call it virtio live migration instead of intel. And please work all together in the virtio committee that you have one way of communication between controlling and controlled functions. If one extension does it one way and the other a different way that's just creating a giant mess. _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization