[{"id":3677814,"web_url":"http://patchwork.ozlabs.org/comment/3677814/","msgid":"","list_archive_url":null,"date":"2026-04-15T20:32:05","subject":"Re: [PATCH 0/2] sd: Small improvements around RPMB emulation","submitter":{"id":85046,"url":"http://patchwork.ozlabs.org/api/people/85046/","name":"Philippe Mathieu-Daudé","email":"philmd@linaro.org"},"content":"(Cc'ing Jerome to his new email)\n\nOn 15/4/26 07:46, Jan Kiszka wrote:\n> Besides a cosmetic fix for the emmc disk image generation script, this\n> adds a property to the emmc model that allows to preset the\n> authentication key. And that enables to build OPTEE without key writing\n> support, bringing the related firmware much closer to real setups.\n> \n> An alternative to this option would have been persisting additional\n> state such as the key or the write counter on the disk image as well.\n> This is still an option for the future, e.g. to model also write\n> protection groups or other persistent states. As this requires another\n> format extension of the eMMC disk image, I want for this much simpler\n> and less invasive approach.\n> \n> Jan\n> \n> Jan Kiszka (2):\n> scripts: mkemmc.sh: Fix output pollution on missing images\n> hw/sd/sdcard: Add support for pre-setting the authentication key\n> \n> hw/sd/sd.c | 23 +++++++++++++++++++++++\n> scripts/mkemmc.sh | 4 ++--\n> 2 files changed, 25 insertions(+), 2 deletions(-)\n>","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256\n header.s=google header.b=wevpdzcJ;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists1p.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)"],"Received":["from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fwtB40F34z1yHM\n\tfor ; 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charset=UTF-8; format=flowed","Content-Transfer-Encoding":"7bit","Received-SPF":"pass client-ip=2a00:1450:4864:20::330;\n envelope-from=philmd@linaro.org; helo=mail-wm1-x330.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,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n 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":"qemu development ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"}},{"id":3678280,"web_url":"http://patchwork.ozlabs.org/comment/3678280/","msgid":"","list_archive_url":null,"date":"2026-04-16T07:57:12","subject":"Re: [PATCH 0/2] sd: Small improvements around RPMB emulation","submitter":{"id":92425,"url":"http://patchwork.ozlabs.org/api/people/92425/","name":"Jerome Forissier","email":"jerome.forissier@arm.com"},"content":"On 15/04/2026 22:32, Philippe Mathieu-Daudé wrote:\n> (Cc'ing Jerome to his new email)\n\nThanks :)\n\n> On 15/4/26 07:46, Jan Kiszka wrote:\n>> Besides a cosmetic fix for the emmc disk image generation script, this\n>> adds a property to the emmc model that allows to preset the\n>> authentication key. And that enables to build OPTEE without key writing\n>> support, bringing the related firmware much closer to real setups.\n>>\n>> An alternative to this option would have been persisting additional\n>> state such as the key or the write counter on the disk image as well.\n>> This is still an option for the future, e.g. to model also write\n>> protection groups or other persistent states. As this requires another\n>> format extension of the eMMC disk image, I want for this much simpler\n>> and less invasive approach.\n\nThat's coool! For the series:\n\nReviewed-by: Jerome Forissier \n\nThanks,","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=arm.com header.i=@arm.com header.a=rsa-sha256\n header.s=selector1 header.b=kod/Jo2p;\n\tdkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com\n header.a=rsa-sha256 header.s=selector1 header.b=kod/Jo2p;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists1p.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)"],"Received":["from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fxPbF5gT5z1yG9\n\tfor ; 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