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=-5.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 F28ECC433EF for ; Sun, 5 Sep 2021 13:49:27 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 6CF8060EE6 for ; Sun, 5 Sep 2021 13:49:27 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 6CF8060EE6 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=unixzen.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:50124 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mMsWU-0003NK-A9 for qemu-devel@archiver.kernel.org; Sun, 05 Sep 2021 09:49:26 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:43122) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mMsV2-0002LF-GM for qemu-devel@nongnu.org; Sun, 05 Sep 2021 09:47:56 -0400 Received: from mx.dal1.terarocket.io ([108.61.222.170]:43892) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mMsV0-0007Iv-U6 for qemu-devel@nongnu.org; Sun, 05 Sep 2021 09:47:56 -0400 Received: by mx.dal1.terarocket.io (Postfix, from userid 1001) id 6C3135E77E; Sun, 5 Sep 2021 13:47:49 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 mx.dal1.terarocket.io 6C3135E77E DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=unixzen.com; s=default; t=1630849669; bh=Ydh7fZIKFiBTl9e+BGi/LeoGcWvLwuozVXuLn4hcy0M=; h=Date:From:Subject:To:From; b=W4vW7yhi27OqK1eJKJ8pEvhKOTjWIUkWWEkEyWSDsDLX4+5JetMTjvd7C1uRuWPo3 fXXOxhT/+8E6NLUasxvgBM08EI+kMGNpZqW4lFnnjKcUoiGA1HlIPjq1eycVoFil+p 2DLgjhHYcUcBn6L3rt/Eje2CDANK2OFrTQi8ifdg= Received: from mx.dal1.terarocket.io (localhost [IPv6:::1]) by mx.dal1.terarocket.io (Postfix) with ESMTPSA id 911595E4DD for ; Sun, 5 Sep 2021 13:47:48 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 mx.dal1.terarocket.io 911595E4DD DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=unixzen.com; s=default; t=1630849668; bh=Ydh7fZIKFiBTl9e+BGi/LeoGcWvLwuozVXuLn4hcy0M=; h=Date:From:Subject:To:From; b=ZbdrqNMsW8sYMG0ZSExvgubPRe7Ei5zrQsmAmkgWWzq0BdvvwVBuxm/2yd/Z/YRdf PVdjF/V/Yy91kozzhfSvys7g45qaOqL6EedY88vYC9IDk8bm1Zmg4Cy90XLAb+JLhk +qDk26PAwwqIRJkvpgW66qO6Do0Dn0jASxENIPd8= MIME-Version: 1.0 Date: Sun, 05 Sep 2021 13:47:48 +0000 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Mailer: RainLoop/1.13.0 From: "Alexander von Gluck IV" Message-ID: <16fad6ffd7af05706571453114a8c173@unixzen.com> Subject: virtio "transitional devices"? To: qemu-devel@nongnu.org Received-SPF: pass client-ip=108.61.222.170; envelope-from=kallisti5@unixzen.com; helo=mx.dal1.terarocket.io X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Could someone explain to me what virtio "transitional devices" are?=0A=0A= https://docs.oasis-open.org/virtio/virtio/v1.1/cs01/virtio-v1.1-cs01.html= #x1-1020002=0A=0AAre "Transitional devices" pre-1.0 specification?=0A=0AH= aiku's virtio driver (PCI) is looking for PCIID Devices 0x1000-0x103F=0A= =0A=0AI've noticed qemu-6.1.0 has begun to offer PCI DeviceID 0x1040-0x1= 07F to=0Athe operating system breaking our virtio drivers.=0A=0AExpanding= our search range to 0x1040+ seems to solve the issues and gives=0Aus a w= orking virtio driver, but I feel like we should be checking for=0Aother d= ifferences.=0A=0AHas something changed in recent qemu's around virtio? I= don't see anything=0Adocumented in the release notes.=0A=0A -- Alex