projects / deliverable / linux.git / blame
| 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 */ |