1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * memconsole.h |
4 | * |
5 | * Internal headers of the memory based BIOS console. |
6 | * |
7 | * Copyright 2017 Google Inc. |
8 | */ |
9 | |
10 | #ifndef __FIRMWARE_GOOGLE_MEMCONSOLE_H |
11 | #define __FIRMWARE_GOOGLE_MEMCONSOLE_H |
12 | |
13 | #include <linux/types.h> |
14 | |
15 | /* |
16 | * memconsole_setup |
17 | * |
18 | * Initialize the memory console, passing the function to handle read accesses. |
19 | */ |
20 | void memconsole_setup(ssize_t (*read_func)(char *, loff_t, size_t)); |
21 | |
22 | /* |
23 | * memconsole_sysfs_init |
24 | * |
25 | * Update memory console length and create binary file |
26 | * for firmware object. |
27 | */ |
28 | int memconsole_sysfs_init(void); |
29 | |
30 | /* memconsole_exit |
31 | * |
32 | * Unmap the console buffer. |
33 | */ |
34 | void memconsole_exit(void); |
35 | |
36 | #endif /* __FIRMWARE_GOOGLE_MEMCONSOLE_H */ |
37 | |