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