{"id":803320,"url":"http://patchwork.ozlabs.org/api/patches/803320/?format=json","web_url":"http://patchwork.ozlabs.org/project/uboot/patch/20170818154516.12375-1-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":"<20170818154516.12375-1-xypron.glpk@gmx.de>","list_archive_url":null,"date":"2017-08-18T15:45:16","name":"[U-Boot,v4,1/1] efi_loader: write protocol GUID in OpenProtocol","commit_ref":"ae0bd3a983023aeb48b4ab3f417e5a62f8f72c37","pull_url":null,"state":"accepted","archived":false,"hash":"9ce986254b5763d7c14902719c762e1d27462a14","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/20170818154516.12375-1-xypron.glpk@gmx.de/mbox/","series":[],"comments":"http://patchwork.ozlabs.org/api/patches/803320/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/803320/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":"To understand what is happening in OpenProtocol or LocateProtocol\nit is necessary to know the protocol interface GUID.\nLet's write a debug message.\n\nCc: Rob Clark \nSigned-off-by: Heinrich Schuchardt \n---\nv4:\n\tuse %pUl format string\n\tcorrect indention of output\nv3:\n\tcommit message changed\nv2:\n\tfix typo in commit message\n---\n include/efi_loader.h | 8 ++++++++\n lib/efi_loader/efi_boottime.c | 11 +++++++++++\n 2 files changed, 19 insertions(+)","diff":"diff --git a/include/efi_loader.h b/include/efi_loader.h\nindex 870854fb61..5b20af808b 100644\n--- a/include/efi_loader.h\n+++ b/include/efi_loader.h\n@@ -17,6 +17,7 @@\n \n int __efi_entry_check(void);\n int __efi_exit_check(void);\n+const char *__efi_nesting(void);\n const char *__efi_nesting_inc(void);\n const char *__efi_nesting_dec(void);\n \n@@ -64,6 +65,13 @@ const char *__efi_nesting_dec(void);\n \tdebug(\"%sEFI: Return From: %s\\n\", __efi_nesting_dec(), #exp); \\\n \t} while(0)\n \n+/*\n+ * Write GUID\n+ */\n+#define EFI_PRINT_GUID(txt, guid) ({ \\\n+\tdebug(\"%sEFI: %s %pUl\\n\", __efi_nesting(), txt, guid); \\\n+\t})\n+\n extern struct efi_runtime_services efi_runtime_services;\n extern struct efi_system_table systab;\n \ndiff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c\nindex 5aeaeeca75..6af033458b 100644\n--- a/lib/efi_loader/efi_boottime.c\n+++ b/lib/efi_loader/efi_boottime.c\n@@ -112,6 +112,11 @@ static const char *indent_string(int level)\n \treturn &indent[max - level];\n }\n \n+const char *__efi_nesting(void)\n+{\n+\treturn indent_string(nesting_level);\n+}\n+\n const char *__efi_nesting_inc(void)\n {\n \treturn indent_string(nesting_level++);\n@@ -1163,6 +1170,8 @@ static efi_status_t EFIAPI efi_locate_protocol(efi_guid_t *protocol,\n \tif (!protocol || !protocol_interface)\n \t\treturn EFI_EXIT(EFI_INVALID_PARAMETER);\n \n+\tEFI_PRINT_GUID(\"protocol\", protocol);\n+\n \tlist_for_each(lhandle, &efi_obj_list) {\n \t\tstruct efi_object *efiobj;\n \n@@ -1366,6 +1375,8 @@ static efi_status_t EFIAPI efi_open_protocol(\n \t\tgoto out;\n \t}\n \n+\tEFI_PRINT_GUID(\"protocol\", protocol);\n+\n \tswitch (attributes) {\n \tcase EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL:\n \tcase EFI_OPEN_PROTOCOL_GET_PROTOCOL:\n","prefixes":["U-Boot","v4","1/1"]}