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{
    "id": 798305,
    "url": "http://patchwork.ozlabs.org/api/patches/798305/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/uboot/patch/20170805203230.19796-4-xypron.glpk@gmx.de/",
    "project": {
        "id": 18,
        "url": "http://patchwork.ozlabs.org/api/projects/18/?format=api",
        "name": "U-Boot",
        "link_name": "uboot",
        "list_id": "u-boot.lists.denx.de",
        "list_email": "u-boot@lists.denx.de",
        "web_url": null,
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    },
    "msgid": "<20170805203230.19796-4-xypron.glpk@gmx.de>",
    "list_archive_url": null,
    "date": "2017-08-05T20:32:30",
    "name": "[U-Boot,v3,3/3] efi_loader: implement OpenProtocolInformation",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "2263335843bc3caf55c563eba4d9a1a921660b26",
    "submitter": {
        "id": 61270,
        "url": "http://patchwork.ozlabs.org/api/people/61270/?format=api",
        "name": "Heinrich Schuchardt",
        "email": "xypron.glpk@gmx.de"
    },
    "delegate": {
        "id": 3400,
        "url": "http://patchwork.ozlabs.org/api/users/3400/?format=api",
        "username": "agraf",
        "first_name": "Alexander",
        "last_name": "Graf",
        "email": "agraf@suse.de"
    },
    "mbox": "http://patchwork.ozlabs.org/project/uboot/patch/20170805203230.19796-4-xypron.glpk@gmx.de/mbox/",
    "series": [],
    "comments": "http://patchwork.ozlabs.org/api/patches/798305/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/798305/checks/",
    "tags": {},
    "related": [],
    "headers": {
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        "From": "Heinrich Schuchardt <xypron.glpk@gmx.de>",
        "To": "Alexander Graf <agraf@suse.de>",
        "Date": "Sat,  5 Aug 2017 22:32:30 +0200",
        "Message-Id": "<20170805203230.19796-4-xypron.glpk@gmx.de>",
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        "In-Reply-To": "<20170805203230.19796-1-xypron.glpk@gmx.de>",
        "References": "<20170805203230.19796-1-xypron.glpk@gmx.de>",
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        "Cc": "u-boot@lists.denx.de, Heinrich Schuchardt <xypron.glpk@gmx.de>",
        "Subject": "[U-Boot] [PATCH v3 3/3] efi_loader: implement\n\tOpenProtocolInformation",
        "X-BeenThere": "u-boot@lists.denx.de",
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        "List-Id": "U-Boot discussion <u-boot.lists.denx.de>",
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        "Errors-To": "u-boot-bounces@lists.denx.de",
        "Sender": "\"U-Boot\" <u-boot-bounces@lists.denx.de>"
    },
    "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 <robdclark@gmail.com>\nSigned-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>\n---\nv3:\n\tuse list_for_each_entry\n\tcorrect indention\nv2:\n\tnew patch\n---\n lib/efi_loader/efi_boottime.c | 74 ++++++++++++++++++++++++++++++++++++++++++-\n 1 file changed, 73 insertions(+), 1 deletion(-)",
    "diff": "diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c\nindex 65a7a79dc1..fa9b74d465 100644\n--- a/lib/efi_loader/efi_boottime.c\n+++ b/lib/efi_loader/efi_boottime.c\n@@ -984,14 +984,86 @@ out:\n \treturn EFI_EXIT(r);\n }\n \n+static efi_status_t efi_copy_open_protocol_information(\n+\t\t\tstruct efi_handler *protocol,\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 = 0;\n+\tsize_t i;\n+\tefi_status_t r;\n+\n+\t*entry_buffer = NULL;\n+\n+\t/* Count entries */\n+\tfor (i = 0; i < ARRAY_SIZE(protocol->open_info); ++i) {\n+\t\tstruct efi_open_protocol_info_entry *open_info =\n+\t\t\t&protocol->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\treturn EFI_SUCCESS;\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\treturn r;\n+\tcount = 0;\n+\tfor (i = 0; i < ARRAY_SIZE(protocol->open_info); ++i) {\n+\t\tstruct efi_open_protocol_info_entry *open_info =\n+\t\t\t&protocol->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+\treturn EFI_SUCCESS;\n+}\n+\n static efi_status_t EFIAPI efi_open_protocol_information(efi_handle_t handle,\n \t\t\tefi_guid_t *protocol,\n \t\t\tstruct efi_open_protocol_info_entry **entry_buffer,\n \t\t\tunsigned long *entry_count)\n {\n+\tstruct efi_object *efiobj;\n+\tsize_t i;\n+\tefi_status_t r = EFI_NOT_FOUND;\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+\tif (!handle || !protocol || !entry_buffer)\n+\t\tEFI_EXIT(EFI_INVALID_PARAMETER);\n+\n+\tEFI_PRINT_GUID(\"protocol:\", protocol);\n+\n+\tlist_for_each_entry(efiobj, &efi_obj_list, link) {\n+\t\tif (efiobj->handle != handle)\n+\t\t\tcontinue;\n+\n+\t\tfor (i = 0; i < ARRAY_SIZE(efiobj->protocols); i++) {\n+\t\t\tstruct efi_handler *handler = &efiobj->protocols[i];\n+\t\t\tconst efi_guid_t *hprotocol = handler->guid;\n+\t\t\tif (!hprotocol)\n+\t\t\t\tcontinue;\n+\t\t\tif (!guidcmp(hprotocol, protocol)) {\n+\t\t\t\tr = efi_copy_open_protocol_information(\n+\t\t\t\t\thandler, entry_buffer, entry_count);\n+\t\t\t\tgoto out;\n+\t\t\t}\n+\t\t}\n+\t\tgoto out;\n+\t}\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",
        "v3",
        "3/3"
    ]
}