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/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef __MMU_H
#define __MMU_H
#define MAP_UNCACHED 0
#define MAP_CACHED 1
/*
* Depending on the architecture the default mapping can be
* cached or uncached. Without ARCH_HAS_REMAP being set this
* is mapping type is the only one supported.
*/
#define MAP_DEFAULT MAP_ARCH_DEFAULT
#include <asm/mmu.h>
#ifndef ARCH_HAS_REMAP
static inline int arch_remap_range(void *start, size_t size, unsigned flags)
{
if (flags == MAP_ARCH_DEFAULT)
return 0;
return -EINVAL;
}
static inline bool arch_can_remap(void)
{
return false;
}
#else
static inline bool arch_can_remap(void)
{
return true;
}
#endif
static inline int remap_range(void *start, size_t size, unsigned flags)
{
return arch_remap_range(start, size, flags);
}
#endif
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