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Sat, 12 Oct 2024 06:57:26 -0700 (PDT) From: Caleb Connolly Date: Sat, 12 Oct 2024 15:57:18 +0200 Subject: [PATCH v4 2/4] disk: expose partition type flags MIME-Version: 1.0 Message-Id: <20241012-b4-qcom-capsule-updates-v4-2-abd05f15255f@linaro.org> References: <20241012-b4-qcom-capsule-updates-v4-0-abd05f15255f@linaro.org> In-Reply-To: <20241012-b4-qcom-capsule-updates-v4-0-abd05f15255f@linaro.org> To: Tom Rini , Simon Glass , Lukasz Majewski , Mattijs Korpershoek , Caleb Connolly , Neil Armstrong , Sumit Garg Cc: Ilias Apalodimas , u-boot@lists.denx.de, u-boot-qcom@groups.io X-Mailer: b4 0.14-dev X-Developer-Signature: v=1; a=openpgp-sha256; l=1946; i=caleb.connolly@linaro.org; h=from:subject:message-id; bh=8HehlziPOEMlWVgeQSjbATHEoHO/WdJXdIHVz23d518=; b=owEBbQKS/ZANAwAIAQWDMSsZX2S2AcsmYgBnCoBDlRSI8mGUjepDpR+Sd8tL9rH54x9YB5T8i vEw6bbUYhCJAjMEAAEIAB0WIQS2UaFGPGq+0GkMVc0FgzErGV9ktgUCZwqAQwAKCRAFgzErGV9k tgtRD/4z7Zjf66999uTGXE59YR7Dr/JFQesnaING2RNCzF0A2jWhyTSCiKmwbB/WHFQ+Z9ghc/x Lkbit5GRjLu9OVGTqDeEmd3fCddF3o38KTN4QOjNIcNyXt5jZF5UKsHFkZ67P0NVz8we2bP80Dw v9AL5WWCRnFJM3a8OSCgIl4GK/m8lnCvJ8iF7tglGZVkwDU2zo9hOrvoKX4PCLb2oioXqw6b56M UD1doQTaSlW7akwAmZPH7/+I3BDvmI73i0a+qcJdT2bCABpsouV8OJj+kue9MJMvI7XinGozeTp 8WRjYqRtDcPcwdcoIJFRc/4o5JEBFESUBwcfSjokhEjtfKXDQSYZzMo1KQcyXIXNQAstdkwrIFD Tl7uMmuZqcwSvM8uLT7Dvz0RaerqOm3XmLy9J6I7bNdpluC8fl6DakZwklsJBWLYEmMdR5Ermn0 aQg78w2WOIpbvmFw9E5ps/Ni0XuydM0UudS8nGtk/WqV/fTYYon9ZXObZhMAjVH8uhQJkkSslLw lU4thlNZPzBK93NMxOSZHVLLVD8YD/hPHG2izAHpEt4GoM8hp1PmfYxU6XDsE2Z8KPJXgaaZnMU zOv0cczM9G8hWbS+tIa3zm1xzFgepXeKkKQGXcAo3GuqSRvV2NfNV8tJaksupPYaew91Mo/olgA LAJSOQPdCHP4T8A== X-Developer-Key: i=caleb.connolly@linaro.org; a=openpgp; fpr=83B24DA7FE145076BC38BB250CD904EB673A7C47 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 GPT partition tables include two bytes worth of vendor defined attributes, per partition. ChromeOS and Qualcomm both use these (with different encoding!) to handle A/B slot switching with a retry counter. Expose these via the disk_partition struct so that they can be parsed by the relevant board code. This will be used on Qualcomm boards to determine which slot we're booting on so that we can flash capsule updates to the correct one. Reviewed-by: Ilias Apalodimas Reviewed-by: Mattijs Korpershoek Signed-off-by: Caleb Connolly --- disk/part_efi.c | 1 + include/part.h | 1 + 2 files changed, 2 insertions(+) diff --git a/disk/part_efi.c b/disk/part_efi.c index 580821a6ee9c..f302a2433cb6 100644 --- a/disk/part_efi.c +++ b/disk/part_efi.c @@ -291,8 +291,9 @@ int part_get_info_efi(struct blk_desc *desc, int part, snprintf((char *)info->name, sizeof(info->name), "%s", print_efiname(&gpt_pte[part - 1])); strcpy((char *)info->type, "U-Boot"); info->bootable = get_bootable(&gpt_pte[part - 1]); + info->type_flags = gpt_pte[part - 1].attributes.fields.type_guid_specific; if (CONFIG_IS_ENABLED(PARTITION_UUIDS)) { uuid_bin_to_str(gpt_pte[part - 1].unique_partition_guid.b, (char *)disk_partition_uuid(info), UUID_STR_FORMAT_GUID); diff --git a/include/part.h b/include/part.h index 797b542ef1ff..f68ed3bf3930 100644 --- a/include/part.h +++ b/include/part.h @@ -73,8 +73,9 @@ struct disk_partition { * PART_BOOTABLE the MBR bootable flag is set * PART_EFI_SYSTEM_PARTITION the partition is an EFI system partition */ int bootable; + u16 type_flags; /* top 16 bits of GPT partition attributes */ #if CONFIG_IS_ENABLED(PARTITION_UUIDS) char uuid[UUID_STR_LEN + 1]; /* filesystem UUID as string, if exists */ #endif #ifdef CONFIG_PARTITION_TYPE_GUID