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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 50BE6CCF9EA for ; Mon, 27 Oct 2025 12:36:46 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vDMS8-00043h-Ai; Mon, 27 Oct 2025 08:36:02 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vDMS2-0003pH-TU for qemu-devel@nongnu.org; Mon, 27 Oct 2025 08:35:55 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vDMRr-00064K-Iw for qemu-devel@nongnu.org; Mon, 27 Oct 2025 08:35:52 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1761568534; h=from:from:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=PCkPzW30WVEzQkAXGjant10stjDzNI0OMdr7gXxNFRY=; b=AjrPsI7d3LBb8nrGGywIyzM7JPL2YZ1//lEl3tgjPHHwqu4CbJeaTb/i3xqvyJN/7QNj3v TAm6gB0NCZe4LOZnYOuDsJIM6R9wBJlWWCB/1Y6F9NLO1k8AOzpOl32Mu2e4tU2JSFFduC qVoKTJCdOubC8KkosTh6eXs0R7ieO4I= Received: from mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-404-nYjI3XfHOJm-lD4D5Ng19A-1; Mon, 27 Oct 2025 08:35:30 -0400 X-MC-Unique: nYjI3XfHOJm-lD4D5Ng19A-1 X-Mimecast-MFC-AGG-ID: nYjI3XfHOJm-lD4D5Ng19A_1761568529 Received: from mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.12]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id B4D321800451; Mon, 27 Oct 2025 12:35:28 +0000 (UTC) Received: from redhat.com (unknown [10.42.28.35]) by mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 7227819560AD; Mon, 27 Oct 2025 12:35:25 +0000 (UTC) Date: Mon, 27 Oct 2025 12:35:21 +0000 From: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= To: Philippe =?utf-8?Q?Mathieu-Daud=C3=A9?= Cc: Jan Kiszka , qemu-devel , Bin Meng , qemu-block@nongnu.org, Ilias Apalodimas , Alex =?utf-8?Q?Benn=C3=A9e?= , Jan =?utf-8?B?TMO8YmJl?= , Jerome Forissier Subject: Re: [PATCH v5 2/6] hw/sd/sdcard: Allow user-instantiated eMMC Message-ID: References: <90fc6201696fcf0e5fd0493365bc32b217aa9d6e.1760702638.git.jan.kiszka@siemens.com> <9d287284-1cb2-4126-b7d7-9c57b32ce408@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <9d287284-1cb2-4126-b7d7-9c57b32ce408@linaro.org> User-Agent: Mutt/2.2.14 (2025-02-20) X-Scanned-By: MIMEDefang 3.0 on 10.30.177.12 Received-SPF: pass client-ip=170.10.133.124; envelope-from=berrange@redhat.com; helo=us-smtp-delivery-124.mimecast.com 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, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_PASS=-0.001, T_SPF_TEMPERROR=0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Mon, Oct 27, 2025 at 01:23:56PM +0100, Philippe Mathieu-Daudé wrote: > On 27/10/25 12:55, Daniel P. Berrangé wrote: > > On Fri, Oct 17, 2025 at 02:03:54PM +0200, Jan Kiszka wrote: > > > From: Jan Kiszka > > > > > > Enable user-instantiation so that PCI-attached eMMCs can be created for > > > virt machines, for QA purposes for the eMMC model itself and for complex > > > firmware/OS integrations using the upcoming RPMB partition support. > > > > IIUC, the 'emmc' device wants an 'sd-bus' but this commit talks about > > it being PCI-attached ? > > Sigh, it should not, but it got introduced this way and we didn't > have time / energy / good reason to rework the code, which currently > just works. > > SD / MMC cards -> plugged over external SD bus > > embedded MMC cards -> no SD bus, directly mmio-mapped. > > > > > Can you elaborate on / illustrate the usage example for an end user ? > > Saving time by testing virtual hardware, without having to implement a > real model. Ok, more specifically, what are the suggested QEMU command line args to make use of this with PCI ? With regards, Daniel -- |: https://berrange.com -o- https://www.flickr.com/photos/dberrange :| |: https://libvirt.org -o- https://fstop138.berrange.com :| |: https://entangle-photo.org -o- https://www.instagram.com/dberrange :|