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Tue, 04 Nov 2025 09:48:37 -0800 (PST) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PULL 2/8] hw/sd/sdcard: Allow user creation of eMMCs Date: Tue, 4 Nov 2025 18:48:17 +0100 Message-ID: <20251104174823.92412-3-philmd@linaro.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251104174823.92412-1-philmd@linaro.org> References: <20251104174823.92412-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::644; envelope-from=philmd@linaro.org; helo=mail-ej1-x644.google.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, 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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1762278586340158500 From: Jan Luebbe For testing eMMC-specific functionality (such as handling boot partitions), it would be very useful to attach them to generic VMs such as x86_64 via the sdhci-pci device: ... -drive if=3Dnone,id=3Demmc-drive,file=3Demmc.img,format=3Draw \ -device sdhci-pci \ -device emmc,id=3Demmc0,drive=3Demmc-drive,boot-partition-size=3D1048576 \ ... While most eMMCs are soldered to boards, they can also be connected to SD controllers with just a passive adapter, such as: https://docs.radxa.com/en/accessories/emmc-to-usd https://github.com/voltlog/emmc-wfbga153-microsd The only change necessary to make the options above work is to avoid disabling user_creatable, so do that. The SDHCI-PCI driver in the Linux kernel already supports this just fine. Signed-off-by: Jan Luebbe Acked-by: Philippe Mathieu-Daud=C3=A9 Message-ID: <20241015135649.4189256-1-jlu@pengutronix.de> Enable user-instantiation so that eMMCs can be created for PCI-attached SD/MMC host controllers (such as sdhci-pci) on virt machines, for QA purposes for the eMMC model itself and for complex firmware/OS integrations using the upcoming RPMB partition support. Signed-off-by: Jan Kiszka Message-ID: Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- hw/sd/sd.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/hw/sd/sd.c b/hw/sd/sd.c index 76e915e1900..e43e1a10ebb 100644 --- a/hw/sd/sd.c +++ b/hw/sd/sd.c @@ -2930,8 +2930,6 @@ static void emmc_class_init(ObjectClass *klass, const= void *data) dc->desc =3D "eMMC"; dc->realize =3D emmc_realize; device_class_set_props(dc, emmc_properties); - /* Reason: Soldered on board */ - dc->user_creatable =3D false; =20 sc->proto =3D &sd_proto_emmc; =20 --=20 2.51.0