From nobody Mon Mar 23 21:28:29 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass header.i=thierry.escande@vates.tech; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=none dis=none) header.from=vates.tech ARC-Seal: i=1; a=rsa-sha256; t=1773419860; cv=none; d=zohomail.com; s=zohoarc; b=QMVE0Rl82xY1+13mFB2Z0AgWZt1UHc/xpvJ+WE4tNfUZMoSMRC3jgRW1tWguTS8RK6zsd1/vatpu3FT5OfLngkO/V59y7Ryyppjpwvs9bqsSBa7iMeUtpD4wbMl7mQUI8j3nZbP8vJohK2mLNTEFzJF7S8xv1zROr80y83ekN1w= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1773419860; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=zCToo0BUt48GgGQBpWxoSVCEuPxLKsIzXwRS6hk9B5M=; b=PGrBl1UmVYbmuwlNL4JLSJq6nL+/qSg5u4xT/8qQmcfEWribgeVR98qAqsTjFzlv50YvsS4g9Pcos5gQrRiZtj9vugWLVEQ7bHJF6s5kjTTRlrd4mRWY9V6JsNhWpaUU575NfyBT1LlPDoohBu/y8L++FJ6iYvuNgdr5V139Vxk= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=thierry.escande@vates.tech; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 177341986076531.751714672892376; Fri, 13 Mar 2026 09:37:40 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.1254032.1550035 (Exim 4.92) (envelope-from ) id 1w15Vt-0007Q2-Mk; Fri, 13 Mar 2026 16:37:25 +0000 Received: by outflank-mailman (output) from mailman id 1254032.1550035; Fri, 13 Mar 2026 16:37:25 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1w15Vt-0007OE-Iw; Fri, 13 Mar 2026 16:37:25 +0000 Received: by outflank-mailman (input) for mailman id 1254032; Fri, 13 Mar 2026 16:37:24 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1w15Tr-0006Ek-OD for xen-devel@lists.xenproject.org; Fri, 13 Mar 2026 16:35:19 +0000 Received: from mail134-15.atl141.mandrillapp.com (mail134-15.atl141.mandrillapp.com [198.2.134.15]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id 9b963385-1efa-11f1-9ccf-f158ae23cfc8; Fri, 13 Mar 2026 17:35:12 +0100 (CET) Received: from pmta10.mandrill.prod.atl01.rsglab.com (localhost [127.0.0.1]) by mail134-15.atl141.mandrillapp.com (Mailchimp) with ESMTP id 4fXVT53DRJzPm0VQy for ; Fri, 13 Mar 2026 16:35:05 +0000 (GMT) Received: from [37.26.189.201] by mandrillapp.com id 444c273532074034b177761798950319; Fri, 13 Mar 2026 16:35:05 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 9b963385-1efa-11f1-9ccf-f158ae23cfc8 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mandrillapp.com; s=mte1; t=1773419705; x=1773689705; bh=zCToo0BUt48GgGQBpWxoSVCEuPxLKsIzXwRS6hk9B5M=; h=From:Subject:To:Cc:Message-Id:In-Reply-To:References:Feedback-ID: Date:MIME-Version:Content-Type:Content-Transfer-Encoding:CC:Date: Subject:From; b=kK1q9Z6xLekpynpevRex7JTlsukH91Fx35HwdyBHKHuuD2dWWaQDF4vnoFaocAtF4 TltRooNr2fn1uTGl+udUA9UwV8dzvHn0y//mDLmD4us/OC8vrmNFaiYwC9YA5MVv9T Rz7TY/hT/t6rwIuor21WAzHC5ZIJIz5+15+tkipYZldQvno/Ekv8o6xl4sd//Zm2Pl dGH+37qCjBx/Uv0f0d1jm8iqldvU5+KtSmxM1dYqMp0XZr3hX3gRf77akaq8Vt7Jms UTcJ36e2Niliudpniz/hdzg8QFO9kHBR9wAJ56VGeVi4KlkYrr+tkkw3zvES6rK/z4 w8w0A4LZ0rX+Q== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=vates.tech; s=mte1; t=1773419705; x=1773680205; i=thierry.escande@vates.tech; bh=zCToo0BUt48GgGQBpWxoSVCEuPxLKsIzXwRS6hk9B5M=; h=From:Subject:To:Cc:Message-Id:In-Reply-To:References:Feedback-ID: Date:MIME-Version:Content-Type:Content-Transfer-Encoding:CC:Date: Subject:From; b=HrYXqO+KVPt/1J6K75FQMSUAtjTQtazfmHaheTF5Pg2nm6sIC5UbSE67B2mW9sN5O r9OtUiJfo2ZovCd/BUHGREH1IDxS8IjJ577zYKqKUyr/QQnTmFjKmSgApD4GnZjCUW vvX2J1Zi45jYSzlTgmiDnFMhvirvR9JHqNOmg3ijNjFl1vTmrzTcRQVm4fW7rrrAw/ DEYoJBv1ATrEe0tuEO5oKL5BSXUWijnV5gqhoOeDKqnN1I3+gR9kB4JfBbvrPpnW0z NHPeDLdpbukBtH32NvbsKH2UGW1qGLBBosobFsZ0p5b7x3kyblxFmwUJd3EgS7Nb5R xEjpdRvQTA7Bw== From: "Thierry Escande" Subject: =?utf-8?Q?[PATCH=2017/17]=20docs:=20provide=20description=20for=20device=5Fmodel=5Fmachine=20option?= X-Mailer: git-send-email 2.51.0 X-Bm-Disclaimer: Yes X-Bm-Milter-Handled: 4ffbd6c1-ee69-4e1b-aabd-f977039bd3e2 X-Bm-Transport-Timestamp: 1773419704742 To: xen-devel@lists.xenproject.org Cc: "Thierry Escande" , "Anthony PERARD" , "Alexey Gerasimenko" Message-Id: <20260313163455.790692-18-thierry.escande@vates.tech> In-Reply-To: <20260313163455.790692-1-thierry.escande@vates.tech> References: <20260313163455.790692-1-thierry.escande@vates.tech> X-Native-Encoded: 1 X-Report-Abuse: =?UTF-8?Q?Please=20forward=20a=20copy=20of=20this=20message,=20including=20all=20headers,=20to=20abuse@mandrill.com.=20You=20can=20also=20report=20abuse=20here:=20https://mandrillapp.com/contact/abuse=3Fid=3D30504962.444c273532074034b177761798950319?= X-Mandrill-User: md_30504962 Feedback-ID: 30504962:30504962.20260313:md Date: Fri, 13 Mar 2026 16:35:05 +0000 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @mandrillapp.com) (identity thierry.escande@vates.tech) X-ZM-MESSAGEID: 1773419862769158500 Content-Type: text/plain; charset="utf-8" This patch adds description for 'device_model_machine' option which allows to control which chipset will be emulated by device model. Signed-off-by: Alexey Gerasimenko Signed-off-by: Thierry Escande --- docs/man/xl.cfg.5.pod.in | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/docs/man/xl.cfg.5.pod.in b/docs/man/xl.cfg.5.pod.in index 27c455210b..67a5bc54a5 100644 --- a/docs/man/xl.cfg.5.pod.in +++ b/docs/man/xl.cfg.5.pod.in @@ -2963,6 +2963,33 @@ you have existing guests then, depending on the natu= re of the guest Operating System, you may wish to force them to use the device model which they were installed with. =20 +=3Ditem B + +Selects which chipset the device model should emulate for this +guest. + +Valid options are: + +=3Dover 4 + +=3Ditem B<"i440"> + +Use i440 emulation (a default setting) + +=3Ditem B<"q35"> + +Use Q35/ICH9 emulation. This enables additional features for +PCIe device passthrough + +=3Dback + +Note that omitting device_model_machine parameter means i440 system +by default, so the default behavior doesn't change for old domain +config files. + +It is recommended to install the guest OS from scratch to avoid issues +due to the emulated platform change. + =3Ditem B =20 Override the path to the binary to be used as the device-model running in --=20 2.51.0 -- Thierry Escande | Vates XCP-ng Developer XCP-ng & Xen Orchestra - Vates solutions web: https://vates.tech