From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <bounce+27952+109798+7686176+12367111@groups.io> Received: from mail02.groups.io (mail02.groups.io [66.175.222.108]) by spool.mail.gandi.net (Postfix) with ESMTPS id 5CA887803CC for <rebecca@openfw.io>; Thu, 19 Oct 2023 11:59:00 +0000 (UTC) DKIM-Signature: a=rsa-sha256; bh=4+3MQResZdUzljK72DpNWUi/IWOCgWodGolqckVa1c8=; c=relaxed/simple; d=groups.io; h=Message-ID:Date:MIME-Version:Subject:To:References:From:In-Reply-To:Precedence:List-Subscribe:List-Help:Sender:List-Id:Mailing-List:Delivered-To:Reply-To:List-Unsubscribe-Post:List-Unsubscribe:Content-Language:Content-Type:Content-Transfer-Encoding; s=20140610; t=1697716739; v=1; b=GdKmIUwaji/EEZU4gaVzOAMzyd3bQuYB1v7WQGmruIYxLJoVHz01frJQ+d5B3TB+bfrn2Qe7 PMoL88LczGXF4p1bMhbyN0pwkcnthAY5qyW4SXqDGP38nW3eNUCI0eRSRjowd3YxbshXEHFp0Y9 yf6zvyFJxyecXAIh5RWKhuRw= X-Received: by 127.0.0.2 with SMTP id bqnQYY7687511x1Cfd9h3k3l; Thu, 19 Oct 2023 04:58:59 -0700 X-Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by mx.groups.io with SMTP id smtpd.web11.25443.1697716738295087814 for <devel@edk2.groups.io>; Thu, 19 Oct 2023 04:58:58 -0700 X-Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-503-Kcfig6erOmSus8UIFml1mQ-1; Thu, 19 Oct 2023 07:58:54 -0400 X-MC-Unique: Kcfig6erOmSus8UIFml1mQ-1 X-Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.rdu2.redhat.com [10.11.54.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 08051869ECC; Thu, 19 Oct 2023 11:58:54 +0000 (UTC) X-Received: from [10.39.193.11] (unknown [10.39.193.11]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 8D6DA40C6F7B; Thu, 19 Oct 2023 11:58:53 +0000 (UTC) Message-ID: <bae0c824-cd6d-095e-553c-119d7c9648a8@redhat.com> Date: Thu, 19 Oct 2023 13:58:52 +0200 MIME-Version: 1.0 Subject: Re: [edk2-devel] Question about OvmfPackage cxl emulation support To: devel@edk2.groups.io, yoshinoyatoko@163.com References: <20230629235919.2077-1-kuqin12@gmail.com> <1d0aae94.1022.1890a49bb0f.Coremail.yoshinoyatoko@163.com> <1a003559.124d.18b45a1663a.Coremail.yoshinoyatoko@163.com> From: "Laszlo Ersek" <lersek@redhat.com> In-Reply-To: <1a003559.124d.18b45a1663a.Coremail.yoshinoyatoko@163.com> X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.2 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Precedence: Bulk List-Subscribe: <mailto:devel+subscribe@edk2.groups.io> List-Help: <mailto:devel+help@edk2.groups.io> Sender: devel@edk2.groups.io List-Id: <devel.edk2.groups.io> Mailing-List: list devel@edk2.groups.io; contact devel+owner@edk2.groups.io Reply-To: devel@edk2.groups.io,lersek@redhat.com List-Unsubscribe-Post: List-Unsubscribe=One-Click List-Unsubscribe: <https://edk2.groups.io/g/devel/leave/12367111/7686176/1913456212/plugh> X-Gm-Message-State: K621r4Ff8ApbKBorwEM9aLAZx7686176AA= Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-GND-Status: LEGIT Authentication-Results: spool.mail.gandi.net; dkim=pass header.d=groups.io header.s=20140610 header.b=GdKmIUwa; dmarc=fail reason="SPF not aligned (relaxed), DKIM not aligned (relaxed)" header.from=redhat.com (policy=none); spf=pass (spool.mail.gandi.net: domain of bounce@groups.io designates 66.175.222.108 as permitted sender) smtp.mailfrom=bounce@groups.io On 10/19/23 03:51, Yoshinoya wrote: > Hi, > I findd qemu supports cxl emulation, but it uses seabios as virtual > machine firmware. >=20 > Does UEFI OvmfPackage have a plan to support CXL device enumeration and > declaration? I expect MdeModulePkg would have to add some generic CXL device driver, which we could perhaps include in OVMF. Some register definitions were added to core edk2 under <https://bugzilla.tianocore.org/show_bug.cgi?id=3D2611>, but I can't easily find any CXL driver. Laszlo -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#109798): https://edk2.groups.io/g/devel/message/109798 Mute This Topic: https://groups.io/mt/102052612/7686176 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/leave/12367111/7686176/19134562= 12/xyzzy [rebecca@openfw.io] -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-