Commit | Line | Data |
---|---|---|
69ac9cd6 BW |
1 | /* |
2 | * include/linux/firmware-map.h: | |
3 | * Copyright (C) 2008 SUSE LINUX Products GmbH | |
4 | * by Bernhard Walle <bwalle@suse.de> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License v2.0 as published by | |
8 | * the Free Software Foundation | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | */ | |
16 | #ifndef _LINUX_FIRMWARE_MAP_H | |
17 | #define _LINUX_FIRMWARE_MAP_H | |
18 | ||
19 | #include <linux/list.h> | |
20 | #include <linux/kobject.h> | |
21 | ||
22 | /* | |
23 | * provide a dummy interface if CONFIG_FIRMWARE_MEMMAP is disabled | |
24 | */ | |
25 | #ifdef CONFIG_FIRMWARE_MEMMAP | |
26 | ||
27 | /** | |
28 | * Adds a firmware mapping entry. This function uses kmalloc() for memory | |
29 | * allocation. Use firmware_map_add_early() if you want to use the bootmem | |
30 | * allocator. | |
31 | * | |
32 | * That function must be called before late_initcall. | |
33 | * | |
34 | * @start: Start of the memory range. | |
35 | * @end: End of the memory range (inclusive). | |
36 | * @type: Type of the memory range. | |
37 | * | |
38 | * Returns 0 on success, or -ENOMEM if no memory could be allocated. | |
39 | */ | |
40 | int firmware_map_add(resource_size_t start, resource_size_t end, | |
41 | const char *type); | |
42 | ||
43 | /** | |
44 | * Adds a firmware mapping entry. This function uses the bootmem allocator | |
45 | * for memory allocation. Use firmware_map_add() if you want to use kmalloc(). | |
46 | * | |
47 | * That function must be called before late_initcall. | |
48 | * | |
49 | * @start: Start of the memory range. | |
50 | * @end: End of the memory range (inclusive). | |
51 | * @type: Type of the memory range. | |
52 | * | |
53 | * Returns 0 on success, or -ENOMEM if no memory could be allocated. | |
54 | */ | |
55 | int firmware_map_add_early(resource_size_t start, resource_size_t end, | |
56 | const char *type); | |
57 | ||
58 | #else /* CONFIG_FIRMWARE_MEMMAP */ | |
59 | ||
60 | static inline int firmware_map_add(resource_size_t start, resource_size_t end, | |
61 | const char *type) | |
62 | { | |
63 | return 0; | |
64 | } | |
65 | ||
66 | static inline int firmware_map_add_early(resource_size_t start, | |
67 | resource_size_t end, const char *type) | |
68 | { | |
69 | return 0; | |
70 | } | |
71 | ||
72 | #endif /* CONFIG_FIRMWARE_MEMMAP */ | |
73 | ||
74 | #endif /* _LINUX_FIRMWARE_MAP_H */ |