| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 1 | /* |
| 2 | * memconsole.h |
| 3 | * |
| 4 | * Internal headers of the memory based BIOS console. |
| 5 | * |
| 6 | * Copyright 2017 Google Inc. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License v2.0 as published by |
| 10 | * the Free Software Foundation. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | */ |
| 17 | |
| 18 | #ifndef __FIRMWARE_GOOGLE_MEMCONSOLE_H |
| 19 | #define __FIRMWARE_GOOGLE_MEMCONSOLE_H |
| 20 | |
| 21 | #include <linux/types.h> |
| 22 | |
| 23 | /* |
| 24 | * memconsole_setup |
| 25 | * |
| 26 | * Initialize the memory console, passing the function to handle read accesses. |
| 27 | */ |
| 28 | void memconsole_setup(ssize_t (*read_func)(char *, loff_t, size_t)); |
| 29 | |
| 30 | /* |
| 31 | * memconsole_sysfs_init |
| 32 | * |
| 33 | * Update memory console length and create binary file |
| 34 | * for firmware object. |
| 35 | */ |
| 36 | int memconsole_sysfs_init(void); |
| 37 | |
| 38 | /* memconsole_exit |
| 39 | * |
| 40 | * Unmap the console buffer. |
| 41 | */ |
| 42 | void memconsole_exit(void); |
| 43 | |
| 44 | #endif /* __FIRMWARE_GOOGLE_MEMCONSOLE_H */ |