| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2012 The ChromiumOS Authors. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; version 2 of the License. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #ifndef ELOG_INTERNAL_H_ |
| #define ELOG_INTERNAL_H_ |
| |
| /* ELOG header */ |
| struct elog_header { |
| u32 magic; |
| u8 version; |
| u8 header_size; |
| u8 reserved[2]; |
| } __attribute__ ((packed)); |
| |
| /* ELOG related constants */ |
| #define ELOG_SIGNATURE 0x474f4c45 /* 'ELOG' */ |
| #define ELOG_VERSION 1 |
| #define ELOG_MIN_AVAILABLE_ENTRIES 2 /* Shrink when this many can't fit */ |
| #define ELOG_SHRINK_PERCENTAGE 25 /* Percent of total area to remove */ |
| |
| /* SMBIOS event log header */ |
| struct event_header { |
| u8 type; |
| u8 length; |
| u8 year; |
| u8 month; |
| u8 day; |
| u8 hour; |
| u8 minute; |
| u8 second; |
| } __attribute__ ((packed)); |
| |
| /* SMBIOS Type 15 related constants */ |
| #define ELOG_HEADER_TYPE_OEM 0x88 |
| |
| typedef enum elog_area_state { |
| ELOG_AREA_UNDEFINED, /* Initial boot strap state */ |
| ELOG_AREA_EMPTY, /* Entire area is empty */ |
| ELOG_AREA_HAS_CONTENT, /* Area has some content */ |
| } elog_area_state; |
| |
| typedef enum elog_header_state { |
| ELOG_HEADER_INVALID, |
| ELOG_HEADER_VALID, |
| } elog_header_state; |
| |
| typedef enum elog_event_buffer_state { |
| ELOG_EVENT_BUFFER_OK, |
| ELOG_EVENT_BUFFER_CORRUPTED, |
| } elog_event_buffer_state; |
| |
| struct elog_area { |
| struct elog_header header; |
| u8 data[0]; |
| } __attribute__((packed)); |
| |
| #endif /* ELOG_INTERNAL_H_ */ |