75 lines
2.1 KiB
C
75 lines
2.1 KiB
C
/*
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* include/linux/firmware-map.h:
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* Copyright (C) 2008 SUSE LINUX Products GmbH
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* by Bernhard Walle <bwalle@suse.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License v2.0 as published by
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* the Free Software Foundation
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef _LINUX_FIRMWARE_MAP_H
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#define _LINUX_FIRMWARE_MAP_H
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#include <linux/list.h>
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#include <linux/kobject.h>
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/*
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* provide a dummy interface if CONFIG_FIRMWARE_MEMMAP is disabled
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*/
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#ifdef CONFIG_FIRMWARE_MEMMAP
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/**
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* Adds a firmware mapping entry. This function uses kmalloc() for memory
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* allocation. Use firmware_map_add_early() if you want to use the bootmem
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* allocator.
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*
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* That function must be called before late_initcall.
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*
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* @start: Start of the memory range.
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* @end: End of the memory range (inclusive).
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* @type: Type of the memory range.
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*
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* Returns 0 on success, or -ENOMEM if no memory could be allocated.
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*/
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int firmware_map_add(resource_size_t start, resource_size_t end,
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const char *type);
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/**
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* Adds a firmware mapping entry. This function uses the bootmem allocator
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* for memory allocation. Use firmware_map_add() if you want to use kmalloc().
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*
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* That function must be called before late_initcall.
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*
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* @start: Start of the memory range.
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* @end: End of the memory range (inclusive).
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* @type: Type of the memory range.
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*
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* Returns 0 on success, or -ENOMEM if no memory could be allocated.
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*/
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int firmware_map_add_early(resource_size_t start, resource_size_t end,
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const char *type);
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#else /* CONFIG_FIRMWARE_MEMMAP */
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static inline int firmware_map_add(resource_size_t start, resource_size_t end,
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const char *type)
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{
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return 0;
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}
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static inline int firmware_map_add_early(resource_size_t start,
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resource_size_t end, const char *type)
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{
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return 0;
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}
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#endif /* CONFIG_FIRMWARE_MEMMAP */
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#endif /* _LINUX_FIRMWARE_MAP_H */
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