{"id":2223615,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2223615/?format=json","web_url":"http://patchwork.ozlabs.org/project/uboot/patch/20260415183250.3031030-7-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":"<20260415183250.3031030-7-dario.binacchi@amarulasolutions.com>","date":"2026-04-15T18:31:33","name":"[v3,6/7] fwu: add helper to get image GUID by type and bank index","commit_ref":null,"pull_url":null,"state":"changes-requested","archived":true,"hash":"6ed968b63b0ec6f5bfc44d455267bd63a777899d","submitter":{"id":83038,"url":"http://patchwork.ozlabs.org/api/1.1/people/83038/?format=json","name":"Dario 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+0200","Message-ID":"<20260415183250.3031030-7-dario.binacchi@amarulasolutions.com>","X-Mailer":"git-send-email 2.43.0","In-Reply-To":"<20260415183250.3031030-1-dario.binacchi@amarulasolutions.com>","References":"<20260415183250.3031030-1-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":"Introduce fwu_mdata_get_image_guid() to retrieve a specific image GUID\nfrom the FWU metadata based on the bank index and image type GUID.\n\nThis allows identifying the correct partition in multi-bank (A/B)\nscenarios, ensuring the correct image is targeted depending on the\ncurrent bank.\n\nSigned-off-by: Dario Binacchi \n\n---\n\nChanges in v3:\n- Add kerneldoc comment for fwu_mdata_get_image_guid() above its\n declaration in fwu.h.\n\nChanges in v2:\n- Add kerneldoc comment for fwu_mdata_get_image_guid().\n- Pass efi_guid_t by pointer for consistency.\n\n include/fwu.h | 11 +++++++++++\n lib/fwu_updates/fwu.c | 33 +++++++++++++++++++++++++++++++++\n 2 files changed, 44 insertions(+)","diff":"diff --git a/include/fwu.h b/include/fwu.h\nindex 9cee8fb085cb..68a51fb4296b 100644\n--- a/include/fwu.h\n+++ b/include/fwu.h\n@@ -396,6 +396,17 @@ void fwu_populate_mdata_image_info(struct fwu_data *data);\n */\n int fwu_get_mdata_size(uint32_t *mdata_size);\n \n+/**\n+ * fwu_mdata_get_image_guid() - Get image GUID for a type and bank\n+ * @image_guid: Pointer to be filled with the found image GUID\n+ * @image_type_guid: Pointer to the image type GUID to search for\n+ * @bank_index: Index of the bank\n+ *\n+ * Return: 0 if OK, -ve on error\n+ */\n+int fwu_mdata_get_image_guid(efi_guid_t *image_guid,\n+\t\t\t const efi_guid_t *image_type_guid, u32 bank_index);\n+\n /**\n * fwu_state_machine_updates() - Update FWU state of the platform\n * @state: FWU bank state\ndiff --git a/lib/fwu_updates/fwu.c b/lib/fwu_updates/fwu.c\nindex 37c613014d18..e5e4907a2d43 100644\n--- a/lib/fwu_updates/fwu.c\n+++ b/lib/fwu_updates/fwu.c\n@@ -243,6 +243,39 @@ int fwu_sync_mdata(struct fwu_mdata *mdata, int part)\n \treturn 0;\n }\n \n+/**\n+ * fwu_mdata_get_image_guid() - Get image GUID for a type and bank\n+ * @image_guid: Pointer to be filled with the found image GUID\n+ * @image_type_guid: Pointer to the image type GUID to search for\n+ * @bank_index: Index of the bank\n+ *\n+ * Return: 0 if OK, -ve on error\n+ */\n+int fwu_mdata_get_image_guid(efi_guid_t *image_guid,\n+\t\t\t const efi_guid_t *image_type_guid, u32 bank_index)\n+{\n+\tstruct fwu_data *data = &g_fwu_data;\n+\tstruct fwu_image_entry *image;\n+\tint i;\n+\n+\tif (bank_index >= data->num_banks)\n+\t\treturn -EINVAL;\n+\n+\tfor (i = 0; i < data->num_images; i++) {\n+\t\timage = &data->fwu_images[i];\n+\n+\t\tif (!guidcmp(image_type_guid, &image->image_type_guid)) {\n+\t\t\tstruct fwu_image_bank_info *bank;\n+\n+\t\t\tbank = &image->img_bank_info[bank_index];\n+\t\t\tguidcpy(image_guid, &bank->image_guid);\n+\t\t\treturn 0;\n+\t\t}\n+\t}\n+\n+\treturn -ENOENT;\n+}\n+\n /**\n * fwu_mdata_copies_allocate() - Allocate memory for metadata\n * @mdata_size: Size of the metadata structure\n","prefixes":["v3","6/7"]}