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=-2.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 4C955C10DCE for ; Tue, 10 Mar 2020 20:14:18 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A57C4222C3 for ; Tue, 10 Mar 2020 20:14:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="d3ebuU7Y" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A57C4222C3 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id E7C43828; Tue, 10 Mar 2020 21:13:25 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz E7C43828 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1583871256; bh=Qin7XCrdp/kb4K3zbL/CxTvCvImw2kBM7gB0SV1Hul0=; h=Subject:To:References:From:Date:In-Reply-To:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=d3ebuU7Ys7BjwF906Kp8fWm34QQTMlTIQJaTSCiONnF7p9ZS+3jt77NQKvVqvBt8I z1ksLOkkZG3r8sRaEjcw8BVQNxD/lszqNVcJcBV1cOcEf/6vOAQ3OaC+1sH0AeU/zV AkIAkNeAtj6m+8gShs+TAWC8vivwW8K7KJ3qweRk= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 70524F800DA; Tue, 10 Mar 2020 21:13:25 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id C6044F80217; Tue, 10 Mar 2020 21:13:22 +0100 (CET) Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 0D67AF800BC; Tue, 10 Mar 2020 21:13:17 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 0D67AF800BC X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orsmga106.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 10 Mar 2020 13:13:14 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,538,1574150400"; d="scan'208";a="245809084" Received: from agrana2x-mobl1.amr.corp.intel.com (HELO [10.251.131.149]) ([10.251.131.149]) by orsmga006.jf.intel.com with ESMTP; 10 Mar 2020 13:13:13 -0700 Subject: Re: [PATCH 0/3] [RESEND] ASoC: SOF: preparatory patches To: Mark Brown References: <20200309170749.32313-1-guennadi.liakhovetski@linux.intel.com> <9cfc4182-1f22-9f28-52d8-f8aac1f7bc0b@linux.intel.com> <20200310125055.GF4106@sirena.org.uk> From: Pierre-Louis Bossart Message-ID: <5cdea070-d8ad-9f23-c3f2-b3638e127f7d@linux.intel.com> Date: Tue, 10 Mar 2020 15:13:12 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 In-Reply-To: <20200310125055.GF4106@sirena.org.uk> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Cc: Liam Girdwood , Guennadi Liakhovetski , alsa-devel@alsa-project.org, Takashi Iwai , sound-open-firmware@alsa-project.org X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" On 3/10/20 7:50 AM, Mark Brown wrote: > On Mon, Mar 09, 2020 at 05:05:06PM -0500, Pierre-Louis Bossart wrote: > >> To get a better picture of the directions, reviewers are invited to take a >> look at the in-depth documentation written by Guennadi since the initial >> patches were shared. This documentation was reviewed by Liam and me and is >> really required to understand the concepts: > >> https://thesofproject.github.io/latest/developer_guides/virtualization/virtualization.html > > How does this relate to the virtio audio spec that's currently under > review? It looks to be doing something much lower level than that. Mark, to avoid any ambiguity, what 'virtio audio spec that's currently under review' are you referring to? > I am concerned that this looks to be exposing DPCM as a virtio ABI, > we're trying to replace it as an internal API never mind ABI. Valid point indeed.