From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wr1-f49.google.com (mail-wr1-f49.google.com [209.85.221.49]) by mx.groups.io with SMTP id smtpd.web09.4175.1623101633035078775 for ; Mon, 07 Jun 2021 14:33:53 -0700 Authentication-Results: mx.groups.io; dkim=pass header.i=@nuviainc-com.20150623.gappssmtp.com header.s=20150623 header.b=IqFddxW+; spf=pass (domain: nuviainc.com, ip: 209.85.221.49, mailfrom: leif@nuviainc.com) Received: by mail-wr1-f49.google.com with SMTP id m18so19220952wrv.2 for ; Mon, 07 Jun 2021 14:33:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nuviainc-com.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=1hmGbvtTJd+sVy0Jw/DDl7p7F/lfM5Y1fAEJxKgc/2E=; b=IqFddxW++widy3ojca3/QO1hADSh10aGJMQLTeHgJTUr6Q4sMjDzx3zBmMB97k8jNZ m0bRFCQushfT9ZAVANPYnJoYDttTmMMSwKbisZqmA5owH8kVOzekvVesaFxPD91+SrwL H5/Ri8Is2PgoRE/AGOp/rO9/0i7lHkCng4dTnbfAuwoUSvutC9rQh6AbRNi8UIa7VOt7 2CYq4QXQuGbSeO1sy3ipXq61j/dkgFyr+xExmVCLCLHUpVyDSx3lE4zlBY04vF8UEEWh wZr6bNwzrSVV01M0v+k4gwwQSA+6JkQdqWYP9vtSoJwBg6voGHsHfU58Iqr9G/WhV50f /x3w== 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=1hmGbvtTJd+sVy0Jw/DDl7p7F/lfM5Y1fAEJxKgc/2E=; b=D/4i/0vh/MR8hSii3zyXObCrGfn/qt3NiIfXNVo4GaB0wKQOu+Q+XboAvp0ihyL5Le xljCZ/NbxFnmEHs4JNyxCKiHdXdn87yD8JPuQSXgYQCgmhmUC+te1KLry+n9rJ6VFCWR 1EfRJfQJaCJfT+yHn8sFFz9cgKZFF8yXQMnpmLH7jLIoeq8Q+Gn+UtJDYpZES3dnPHez rxU3bp8I+WEPkiF+LEqlNIABD07Y0SsEhxRn7lnzbkW4lKclxQG9OXD9poyzZchDtTTo GmQUcLZbuaQsA++DZYxJXMJWFnVMda76pVtw/P6mmtbvODfjwEs0FBhoUcfb9o6RNCL2 MdKA== X-Gm-Message-State: AOAM532tEBmYydl+WfggL7dM6zTVcR3TVU+gAA2c1gjDoRq3WLAuDi7N 3OxAjdEQBQdv3ANtDYE14h+zhxl2Sty68zALRKacqTWNn+z2UYgObz+xh8iQrBasR+VwCZugKOh jaBPBMXmhfSRblIqu+dujXzRqpMu4nOfEpCW/t9w8SWD4XUs2al/gZKiPXqnMnQdk9g== X-Google-Smtp-Source: ABdhPJzsU2GGrEQBlyWkqMQLT29maU5XxJ/a+NKwp9LRK5pVtM3FaKzIKIn1eg76RQkOSYhOQGiKPQ== X-Received: by 2002:a5d:504d:: with SMTP id h13mr18981556wrt.133.1623101631199; Mon, 07 Jun 2021 14:33:51 -0700 (PDT) Return-Path: Received: from leviathan (cpc1-cmbg19-2-0-cust915.5-4.cable.virginm.net. [82.27.183.148]) by smtp.gmail.com with ESMTPSA id a15sm20821224wrs.63.2021.06.07.14.33.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Jun 2021 14:33:50 -0700 (PDT) Date: Mon, 7 Jun 2021 22:33:49 +0100 From: "Leif Lindholm" To: devel@edk2.groups.io, lersek@redhat.com Cc: mcb30@ipxe.org, harlydavidsen@gmail.com Subject: Re: [edk2-devel] VirtIO sound device in qemu? Message-ID: <20210607213349.zyqbavq2kqm726h3@leviathan> References: <74f2a141-fe7c-b25c-ab65-aea8989cc885@redhat.com> MIME-Version: 1.0 In-Reply-To: <74f2a141-fe7c-b25c-ab65-aea8989cc885@redhat.com> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Mon, Jun 07, 2021 at 17:16:00 +0200, Laszlo Ersek wrote: > On 06/07/21 13:40, Michael Brown wrote: > > On 07/06/2021 05:41, Ethin Probst wrote: > >> For my audio output protocol (I wonder if we should abbreviate it as > >> AOP?) I need to get access to VirtIO devices in PCIe configuration > >> space. However, I can't seem to find a way of telling QEMU to use this > >> device for audio output. Is there something I missed, or something > >> that does support this? > > > > Do you mean that you can't find a way to get QEMU to create a Virtio > > audio device visible to the guest, or that you can't find a way to get > > QEMU to connect this Virtio device to the host-side audio output? > > My latest (admittedly, quite old) information has been that QEMU does > not implement a virtio-audio device yet. It's been work in progress. > Best inquire on qemu-devel, CC'ing the audio subsys maintainers. An RFC sent out end of April has not yet seen a PATCH, but some feedback: https://lists.gnu.org/archive/html/qemu-devel/2021-04/msg06089.html / Leif