{"id":806176,"url":"http://patchwork.ozlabs.org/api/patches/806176/?format=json","web_url":"http://patchwork.ozlabs.org/project/uboot/patch/20170826225328.7550-7-xypron.glpk@gmx.de/","project":{"id":18,"url":"http://patchwork.ozlabs.org/api/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,"list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20170826225328.7550-7-xypron.glpk@gmx.de>","list_archive_url":null,"date":"2017-08-26T22:53:25","name":"[U-Boot,16/23] efi_loader: implement DisconnectController","commit_ref":null,"pull_url":null,"state":"superseded","archived":true,"hash":"6fedeb250791717d08b5744f2ba3388d99e97cff","submitter":{"id":61270,"url":"http://patchwork.ozlabs.org/api/people/61270/?format=json","name":"Heinrich Schuchardt","email":"xypron.glpk@gmx.de"},"delegate":{"id":3400,"url":"http://patchwork.ozlabs.org/api/users/3400/?format=json","username":"agraf","first_name":"Alexander","last_name":"Graf","email":"agraf@suse.de"},"mbox":"http://patchwork.ozlabs.org/project/uboot/patch/20170826225328.7550-7-xypron.glpk@gmx.de/mbox/","series":[],"comments":"http://patchwork.ozlabs.org/api/patches/806176/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/806176/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@bilbo.ozlabs.org","Authentication-Results":"ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=lists.denx.de\n\t(client-ip=81.169.180.215; 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charset=\"utf-8\"","Content-Transfer-Encoding":"base64","Errors-To":"u-boot-bounces@lists.denx.de","Sender":"\"U-Boot\" "},"content":"Signed-off-by: Heinrich Schuchardt \n---\n lib/efi_loader/efi_boottime.c | 77 ++++++++++++++++++++++++++++++++++++++++++-\n 1 file changed, 76 insertions(+), 1 deletion(-)","diff":"diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c\nindex 1069da7d79..c5a17b6252 100644\n--- a/lib/efi_loader/efi_boottime.c\n+++ b/lib/efi_loader/efi_boottime.c\n@@ -1052,9 +1052,84 @@ static efi_status_t EFIAPI efi_disconnect_controller(void *controller_handle,\n \t\t\t\t\t\t void *driver_image_handle,\n \t\t\t\t\t\t void *child_handle)\n {\n+\tstruct efi_driver_binding_protocol *binding_protocol;\n+\tefi_handle_t child_handle_buffer;\n+\tunsigned long driver_count;\n+\tefi_handle_t *driver_handle_buffer;\n+\tsize_t i;\n+\tUINTN number_of_children;\n+\tefi_status_t r;\n+\tsize_t stop_count = 0;\n+\n \tEFI_ENTRY(\"%p, %p, %p\", controller_handle, driver_image_handle,\n \t\t child_handle);\n-\treturn EFI_EXIT(EFI_INVALID_PARAMETER);\n+\n+\tif (!efi_search_obj(controller_handle)) {\n+\t\tr = EFI_INVALID_PARAMETER;\n+\t\tgoto out;\n+\t}\n+\n+\t/* Create list of driver handles */\n+\tif (driver_image_handle) {\n+\t\tdriver_handle_buffer = &driver_image_handle,\n+\t\tdriver_count = 1;\n+\t\t/* Check that the handle supports driver binding protocol */\n+\t\tr = efi_search_protocol(driver_image_handle,\n+\t\t\t\t\t&efi_guid_driver_binding_protocol,\n+\t\t\t\t\tNULL);\n+\t} else {\n+\t\t/* Get buffer with all handles with driver binding protocol */\n+\t\tr = EFI_CALL(efi_locate_handle_buffer(\n+\t\t\t by_protocol, &efi_guid_driver_binding_protocol,\n+\t\t\t NULL, &driver_count, &driver_handle_buffer));\n+\t}\n+\tif (r != EFI_SUCCESS)\n+\t\tgoto out;\n+\n+\t/* Create list of child handles */\n+\tif (child_handle) {\n+\t\tnumber_of_children = 1;\n+\t\tchild_handle_buffer = &child_handle;\n+\t} else {\n+\t\t/*\n+\t\t * We do not fully support child handles.\n+\t\t *\n+\t\t * It is unclear from which handle and which protocols the\n+\t\t * list of child controllers should be collected.\n+\t\t */\n+\t\tnumber_of_children = 0;\n+\t\tchild_handle_buffer = NULL;\n+\t}\n+\n+\tfor (i = 0; i < driver_count; ++i) {\n+\t\tr = EFI_CALL(efi_open_protocol(\n+\t\t\t driver_handle_buffer[i],\n+\t\t\t &efi_guid_driver_binding_protocol,\n+\t\t\t (void **)&binding_protocol,\n+\t\t\t driver_handle_buffer[i], NULL,\n+\t\t\t EFI_OPEN_PROTOCOL_GET_PROTOCOL));\n+\t\tif (r != EFI_SUCCESS)\n+\t\t\tcontinue;\n+\n+\t\tr = EFI_CALL(binding_protocol->stop(binding_protocol,\n+\t\t\t\t\t\t controller_handle,\n+\t\t\t\t\t\t number_of_children,\n+\t\t\t\t\t\t child_handle_buffer));\n+\t\tif (r == EFI_SUCCESS)\n+\t\t\t++stop_count;\n+\t\tEFI_CALL(efi_close_protocol(driver_handle_buffer[i],\n+\t\t\t\t\t &efi_guid_driver_binding_protocol,\n+\t\t\t\t\t driver_handle_buffer[i], NULL));\n+\t}\n+\n+\tif (driver_image_handle)\n+\t\tefi_free_pool(driver_handle_buffer);\n+\tif (stop_count)\n+\t\tr = EFI_SUCCESS;\n+\telse\n+\t\tr = EFI_NOT_FOUND;\n+out:\n+\treturn EFI_EXIT(r);\n }\n \n efi_status_t EFIAPI efi_close_protocol(void *handle, const efi_guid_t *protocol,\n","prefixes":["U-Boot","16/23"]}