{"id":2224912,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2224912/?format=json","web_url":"http://patchwork.ozlabs.org/project/uboot/patch/20260419143247.437733-2-dario.binacchi@amarulasolutions.com/","project":{"id":18,"url":"http://patchwork.ozlabs.org/api/1.1/projects/18/?format=json","name":"U-Boot","link_name":"uboot","list_id":"u-boot.lists.denx.de","list_email":"u-boot@lists.denx.de","web_url":null,"scm_url":null,"webscm_url":null},"msgid":"<20260419143247.437733-2-dario.binacchi@amarulasolutions.com>","date":"2026-04-19T14:31:41","name":"[v4,1/8] lib: uuid: add partition type GUID for extended bootloader","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"5fbd460024cdfd0a1b8e300b8c7d350bd1ae2203","submitter":{"id":83038,"url":"http://patchwork.ozlabs.org/api/1.1/people/83038/?format=json","name":"Dario Binacchi","email":"dario.binacchi@amarulasolutions.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/uboot/patch/20260419143247.437733-2-dario.binacchi@amarulasolutions.com/mbox/","series":[{"id":500509,"url":"http://patchwork.ozlabs.org/api/1.1/series/500509/?format=json","web_url":"http://patchwork.ozlabs.org/project/uboot/list/?series=500509","date":"2026-04-19T14:31:40","name":"Support metadata-driven A/B boot for STM32MP25","version":4,"mbox":"http://patchwork.ozlabs.org/series/500509/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2224912/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2224912/checks/","tags":{},"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=amarulasolutions.com header.i=@amarulasolutions.com\n header.a=rsa-sha256 header.s=google header.b=J/5H3xVq;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de\n (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; helo=phobos.denx.de;\n envelope-from=u-boot-bounces@lists.denx.de; receiver=patchwork.ozlabs.org)","phobos.denx.de;\n dmarc=pass (p=none dis=none) header.from=amarulasolutions.com","phobos.denx.de;\n spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de","phobos.denx.de;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=amarulasolutions.com header.i=@amarulasolutions.com\n header.b=\"J/5H3xVq\";\n\tdkim-atps=neutral","phobos.denx.de; dmarc=pass (p=none dis=none)\n header.from=amarulasolutions.com","phobos.denx.de; spf=pass\n smtp.mailfrom=dario.binacchi@amarulasolutions.com"],"Received":["from phobos.denx.de (phobos.denx.de\n [IPv6:2a01:238:438b:c500:173d:9f52:ddab:ee01])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fzB1K17Tqz1yHk\n\tfor ; Mon, 20 Apr 2026 00:33:09 +1000 (AEST)","from h2850616.stratoserver.net (localhost [IPv6:::1])\n\tby phobos.denx.de (Postfix) with ESMTP id 7D31183E81;\n\tSun, 19 Apr 2026 16:33:01 +0200 (CEST)","by phobos.denx.de (Postfix, from userid 109)\n id ACB448426E; Sun, 19 Apr 2026 16:32:59 +0200 (CEST)","from mail-wm1-x336.google.com (mail-wm1-x336.google.com\n [IPv6:2a00:1450:4864:20::336])\n (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits))\n (No client certificate requested)\n by phobos.denx.de (Postfix) with ESMTPS id 705648419E\n for ; Sun, 19 Apr 2026 16:32:57 +0200 (CEST)","by mail-wm1-x336.google.com with SMTP id\n 5b1f17b1804b1-488af9fdaa7so13528115e9.1\n for ; Sun, 19 Apr 2026 07:32:57 -0700 (PDT)","from dario-ThinkPad-P14s-Gen-5.homenet.telecomitalia.it\n (host-79-20-97-39.retail.telecomitalia.it. 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Apalodimas ,\n Javier Martinez Canillas ,\n Jerome Forissier ,\n Patrick Delaunay ,\n Tom Rini ,\n =?utf-8?q?Vincent_Stehl=C3=A9?= ","Subject":"[PATCH v4 1/8] lib: uuid: add partition type GUID for extended\n bootloader","Date":"Sun, 19 Apr 2026 16:31:41 +0200","Message-ID":"<20260419143247.437733-2-dario.binacchi@amarulasolutions.com>","X-Mailer":"git-send-email 2.43.0","In-Reply-To":"<20260419143247.437733-1-dario.binacchi@amarulasolutions.com>","References":"<20260419143247.437733-1-dario.binacchi@amarulasolutions.com>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","X-BeenThere":"u-boot@lists.denx.de","X-Mailman-Version":"2.1.39","Precedence":"list","List-Id":"U-Boot discussion ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"u-boot-bounces@lists.denx.de","Sender":"\"U-Boot\" ","X-Virus-Scanned":"clamav-milter 0.103.8 at phobos.denx.de","X-Virus-Status":"Clean"},"content":"The Extended Boot Loader Partition (XBOOTLDR) is a standard defined by\nthe Discoverable Partitions Specification (DPS) to host boot loader\nresources outside of the EFI System Partition ([1], [2]).\n\nDefining this GUID (bc13c2ff-59e6-4262-a352-b275fd6f7172) allows U-Boot\nto correctly identify and label these partitions using the \"xbootldr\"\nshorthand.\n\n[1] https://uapi-group.org/specifications/specs/discoverable_partitions_specification/#extended-boot-loader-partition:~:text=UEFI%20Specification.-,Extended%20Boot%20Loader%20Partition,-bc13c2ff%2D59e6%2D4262\n[2] https://uapi-group.org/specifications/specs/boot_loader_specification/\nSigned-off-by: Dario Binacchi \nReviewed-by: Simon Glass \n\n---\n\n(no changes since v2)\n\nChanges in v2:\n- Add links to the XBOOTLDR specification in the commit message\n- Add Reviewed-by tag of Simon Glass\n\n doc/README.gpt | 2 ++\n include/part_efi.h | 3 +++\n lib/uuid.c | 1 +\n 3 files changed, 6 insertions(+)","diff":"diff --git a/doc/README.gpt b/doc/README.gpt\nindex 386ac2e0fc8f..a6e1fd7ce8d4 100644\n--- a/doc/README.gpt\n+++ b/doc/README.gpt\n@@ -286,6 +286,8 @@ Some strings can be also used at the place of known GUID :\n \t (E6D6D379-F507-44C2-A23C-238F2A3DF928)\n \t\"u-boot-env\" = PARTITION_U_BOOT_ENVIRONMENT\n \t (3DE21764-95BD-54BD-A5C3-4ABE786F38A8)\n+\t\"xbootldr\" = PARTITION_XBOOTLDR\n+\t (BC13C2FF-59E6-4262-A352-B275FD6F7172)\n \n \"uuid_disk=...;name=u-boot,size=60MiB,uuid=...;\n \tname=kernel,size=60MiB,uuid=...,type=linux;\"\ndiff --git a/include/part_efi.h b/include/part_efi.h\nindex 2cea50880465..5713b3018f42 100644\n--- a/include/part_efi.h\n+++ b/include/part_efi.h\n@@ -60,6 +60,9 @@\n #define PARTITION_U_BOOT_ENVIRONMENT \\\n \tEFI_GUID( 0x3de21764, 0x95bd, 0x54bd, \\\n \t\t0xa5, 0xc3, 0x4a, 0xbe, 0x78, 0x6f, 0x38, 0xa8)\n+#define PARTITION_XBOOTLDR \\\n+\tEFI_GUID( 0xbc13c2ff, 0x59e6, 0x4262, \\\n+\t\t0xa3, 0x52, 0xb2, 0x75, 0xfd, 0x6f, 0x71, 0x72)\n \n /* Special ChromiumOS things */\n #define PARTITION_CROS_KERNEL \\\ndiff --git a/lib/uuid.c b/lib/uuid.c\nindex 3a666d0430db..d7c164ea06bf 100644\n--- a/lib/uuid.c\n+++ b/lib/uuid.c\n@@ -86,6 +86,7 @@ static const struct {\n \t{\"swap\",\tNULL,\tPARTITION_LINUX_SWAP_GUID},\n \t{\"lvm\",\t\tNULL,\tPARTITION_LINUX_LVM_GUID},\n \t{\"u-boot-env\",\tNULL,\tPARTITION_U_BOOT_ENVIRONMENT},\n+\t{\"xbootldr\",\tNULL,\tPARTITION_XBOOTLDR},\n \t{\"cros-kern\",\tNULL,\tPARTITION_CROS_KERNEL},\n \t{\"cros-root\",\tNULL,\tPARTITION_CROS_ROOT},\n \t{\"cros-fw\",\tNULL,\tPARTITION_CROS_FIRMWARE},\n","prefixes":["v4","1/8"]}