{"id":806179,"url":"http://patchwork.ozlabs.org/api/patches/806179/?format=json","web_url":"http://patchwork.ozlabs.org/project/uboot/patch/20170826225328.7550-3-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":"<20170826225328.7550-3-xypron.glpk@gmx.de>","list_archive_url":null,"date":"2017-08-26T22:53:21","name":"[U-Boot,12/23] efi_loader: implement OpenProtocolInformation","commit_ref":null,"pull_url":null,"state":"superseded","archived":true,"hash":"5d6b3b8dae248c172e19357bdd2c67326a067a50","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/20170826225328.7550-3-xypron.glpk@gmx.de/mbox/","series":[],"comments":"http://patchwork.ozlabs.org/api/patches/806179/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/806179/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":"efi_open_protocol_information provides the agent and controller\nhandles as well as the attributes and open count of an protocol\non a handle.\n\nCc: Rob Clark \nSigned-off-by: Heinrich Schuchardt \n---\n lib/efi_loader/efi_boottime.c | 55 ++++++++++++++++++++++++++++++++++++++++++-\n 1 file changed, 54 insertions(+), 1 deletion(-)","diff":"diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c\nindex c9aec597a2..23b8894e73 100644\n--- a/lib/efi_loader/efi_boottime.c\n+++ b/lib/efi_loader/efi_boottime.c\n@@ -985,9 +985,62 @@ static efi_status_t EFIAPI efi_open_protocol_information(efi_handle_t handle,\n \t\t\tstruct efi_open_protocol_info_entry **entry_buffer,\n \t\t\tunsigned long *entry_count)\n {\n+\tunsigned long buffer_size;\n+\tunsigned long count;\n+\tstruct efi_handler *handler;\n+\tsize_t i;\n+\tefi_status_t r;\n+\n \tEFI_ENTRY(\"%p, %p, %p, %p\", handle, protocol, entry_buffer,\n \t\t entry_count);\n-\treturn EFI_EXIT(EFI_NOT_FOUND);\n+\n+\t/* Check parameters */\n+\tif (!handle || !protocol || !entry_buffer) {\n+\t\tr = EFI_INVALID_PARAMETER;\n+\t\tgoto out;\n+\t}\n+\n+\t/* Find the protocol */\n+\tr = efi_search_protocol(handle, protocol, &handler);\n+\tif (r != EFI_SUCCESS)\n+\t\tgoto out;\n+\n+\t*entry_buffer = NULL;\n+\n+\t/* Count entries */\n+\tcount = 0;\n+\tfor (i = 0; i < ARRAY_SIZE(handler->open_info); ++i) {\n+\t\tstruct efi_open_protocol_info_entry *open_info =\n+\t\t\t&handler->open_info[i];\n+\n+\t\tif (open_info->open_count)\n+\t\t\t++count;\n+\t}\n+\t*entry_count = count;\n+\tif (!count) {\n+\t\tr = EFI_SUCCESS;\n+\t\tgoto out;\n+\t}\n+\n+\t/* Copy entries */\n+\tbuffer_size = count * sizeof(struct efi_open_protocol_info_entry);\n+\tr = efi_allocate_pool(EFI_ALLOCATE_ANY_PAGES, buffer_size,\n+\t\t\t (void **)entry_buffer);\n+\tif (r != EFI_SUCCESS)\n+\t\tgoto out;\n+\tcount = 0;\n+\tfor (i = 0; i < ARRAY_SIZE(handler->open_info); ++i) {\n+\t\tstruct efi_open_protocol_info_entry *open_info =\n+\t\t\t&handler->open_info[i];\n+\n+\t\tif (!open_info->open_count)\n+\t\t\tcontinue;\n+\t\t(*entry_buffer)[count] = *open_info;\n+\t\t++count;\n+\t}\n+\n+out:\n+\treturn EFI_EXIT(r);\n }\n \n static efi_status_t EFIAPI efi_protocols_per_handle(void *handle,\n","prefixes":["U-Boot","12/23"]}