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=-8.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 E4F39C4363A for ; Thu, 8 Oct 2020 14:01:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F17AF21927 for ; Thu, 8 Oct 2020 14:01:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=sang-engineering.com header.i=@sang-engineering.com header.b="MQl++c6g" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730207AbgJHOBz (ORCPT ); Thu, 8 Oct 2020 10:01:55 -0400 Received: from www.zeus03.de ([194.117.254.33]:49326 "EHLO mail.zeus03.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730206AbgJHOBy (ORCPT ); Thu, 8 Oct 2020 10:01:54 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=simple; d=sang-engineering.com; h= date:from:to:cc:subject:message-id:references:mime-version :content-type:in-reply-to; s=k1; bh=B25JFZ56dNNTT3gHzxvxMM9PgiUs jCDPWLcYTA5adRM=; b=MQl++c6gzpEe8RbkM2Ny4gru4tZSMdCxRqEqD69FKCYI GjaPuw+vgsOoIU2K8V4hSitF+UMk3sUGmr+JSZJnPyMQjPorEx5dG8AheuLAm85/ Un0XifRkMvCRxCP7SWTr77RH33M6hZWiteIAI0jQFmHS7hnvszP7yRryLyHEsrI= Received: (qmail 3366732 invoked from network); 8 Oct 2020 16:01:51 +0200 Received: by mail.zeus03.de with ESMTPSA (TLS_AES_256_GCM_SHA384 encrypted, authenticated); 8 Oct 2020 16:01:51 +0200 X-UD-Smtp-Session: l3s3148p1@4WUfRimx2pEgAwDPXwzvAOi1YJpFLj+d Date: Thu, 8 Oct 2020 16:01:51 +0200 From: Wolfram Sang To: Jie Deng Cc: linux-i2c@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-kernel@vger.kernel.org, mst@redhat.com, jasowang@redhat.com, andriy.shevchenko@linux.intel.com, jarkko.nikula@linux.intel.com, jdelvare@suse.de, Sergey.Semin@baikalelectronics.ru, krzk@kernel.org, rppt@kernel.org, loic.poulain@linaro.org, tali.perry1@gmail.com, bjorn.andersson@linaro.org, shuo.a.liu@intel.com, conghui.chen@intel.com, yu1.wang@intel.com Subject: Re: [PATCH v3] i2c: virtio: add a virtio i2c frontend driver Message-ID: <20201008140151.GE897@ninjato> References: <1350309657ab0c7b9f97e7a5c71d084f88caa549.1600743079.git.jie.deng@intel.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="phCU5ROyZO6kBE05" Content-Disposition: inline In-Reply-To: <1350309657ab0c7b9f97e7a5c71d084f88caa549.1600743079.git.jie.deng@intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org --phCU5ROyZO6kBE05 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi, some super high level questions: > different controllers according to their needs. A backend > example can be found in the device model of the open source > project ACRN. For more information, please refer to > https://projectacrn.org. Could you provide a link directly to the backend, please? > The device ID request: > https://github.com/oasis-tcs/virtio-spec/issues/85 Shall we wait for this to be approved? Or will it get only approved once the driver here is upstream? > + If you say yes to this option, support will be included for the virtio > + I2C adapter driver. The hardware can be emulated by any device model > + software according to the virtio protocol. That means stuff like "limiting which devices on a given bus can be accessed" will be handled by the backends, or? What kind of testing has been done with this on which setup? Thanks and happy hacking, Wolfram --phCU5ROyZO6kBE05 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAl9/G8sACgkQFA3kzBSg KbZpUA/+MK6H+3FNinSddnI4K6iznndiLMD9yBhDzPgTahxvk5mO54a3D0xZEyOJ X4mVguBCy9glZaPIRSIox+X6fjyzKXnWunyPcqNDmrF4PrzEwkAHCHeN3Kz92j/A Xi1+uaoJOBj3oRnNPo92r968MEPFwwu5xGQXMak6V2vjTLH9jEwB8Y4XbZohpwLU TzEoWJZdanu4j8MsNxuvC2vwkMiw4PFaPJu/Sgs28JUx8WOm0zjPV1AUsYUz9WUU SwlZhs1Q38uTiky2wXzYD+HtNMwQ6IWVZ8DcOBxZgz329oRLwnBMdUyIWw2ImQ5t 9571jQBLhX2kP2gwqlPlURdUPH36ePyYIaW6M8yjha3oyGsX0KCRSSPT8SlKIXtR eiKhK1Ov/q9KdvfXjqrUHI3crXMNk4e7OJoSB2jTmILfFlSPAvhZqdffD+bUAH3p qme+cbUo/ziuxxhMcFaVdGYniDu4lf5S4qemaK9FGb8KeXM0Wnqiwh1mFH/sA7Pd ba2Z7nstcG14tHbbg1tID9nHSn3QB5xUMemk7PfnhhLaiCqdLlZ8bUIwUqJ58ank ynPpopCbEnoB2C5mWkzkDVWU0IE4dLwYMR6hD8p5QVdE0wvQuqxUyUCyLDxzs0UC 9S4OOr8RsZawybmgUpmvTz8bbT9QxybOpcnnR+Npd78dxuMkChE= =7jcK -----END PGP SIGNATURE----- --phCU5ROyZO6kBE05--