outercache.h
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/*
* arch/arm/include/asm/outercache.h
*
* Copyright (C) 2010 ARM Ltd.
* Written by Catalin Marinas <catalin.marinas@arm.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __ASM_OUTERCACHE_H
#define __ASM_OUTERCACHE_H
#include <linux/types.h>
struct outer_cache_fns {
void (*inv_range)(unsigned long, unsigned long);
void (*clean_range)(unsigned long, unsigned long);
void (*flush_range)(unsigned long, unsigned long);
void (*flush_all)(void);
void (*inv_all)(void);
void (*disable)(void);
#ifdef CONFIG_OUTER_CACHE_SYNC
void (*sync)(void);
#endif
void (*set_debug)(unsigned long);
void (*resume)(void);
};
#ifdef CONFIG_OUTER_CACHE
extern struct outer_cache_fns outer_cache;
static inline void outer_inv_range(phys_addr_t start, phys_addr_t end)
{
if (outer_cache.inv_range)
outer_cache.inv_range(start, end);
}
static inline void outer_clean_range(phys_addr_t start, phys_addr_t end)
{
if (outer_cache.clean_range)
outer_cache.clean_range(start, end);
}
static inline void outer_flush_range(phys_addr_t start, phys_addr_t end)
{
if (outer_cache.flush_range)
outer_cache.flush_range(start, end);
}
static inline void outer_flush_all(void)
{
if (outer_cache.flush_all)
outer_cache.flush_all();
}
static inline void outer_inv_all(void)
{
if (outer_cache.inv_all)
outer_cache.inv_all();
}
static inline void outer_disable(void)
{
if (outer_cache.disable)
outer_cache.disable();
}
static inline void outer_resume(void)
{
if (outer_cache.resume)
outer_cache.resume();
}
#else
static inline void outer_inv_range(phys_addr_t start, phys_addr_t end)
{ }
static inline void outer_clean_range(phys_addr_t start, phys_addr_t end)
{ }
static inline void outer_flush_range(phys_addr_t start, phys_addr_t end)
{ }
static inline void outer_flush_all(void) { }
static inline void outer_inv_all(void) { }
static inline void outer_disable(void) { }
#endif
#ifdef CONFIG_OUTER_CACHE_SYNC
static inline void outer_sync(void)
{
if (outer_cache.sync)
outer_cache.sync();
}
#else
static inline void outer_sync(void)
{ }
#endif
#endif /* __ASM_OUTERCACHE_H */