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/*
* Copyright (C) 2011 Citrix Ltd.
*
* This work is licensed under the terms of the GNU GPL, version 2. See
* the COPYING file in the top-level directory.
*
*/
#ifndef XEN_MAPCACHE_H
#define XEN_MAPCACHE_H
#include "exec/cpu-common.h"
#include "system/xen.h"
typedef hwaddr (*phys_offset_to_gaddr_t)(hwaddr phys_offset,
ram_addr_t size);
#ifdef CONFIG_XEN_IS_POSSIBLE
void xen_map_cache_init(phys_offset_to_gaddr_t f,
void *opaque);
uint8_t *xen_map_cache(MemoryRegion *mr, hwaddr phys_addr, hwaddr size,
ram_addr_t ram_addr_offset,
uint8_t lock, bool dma,
bool is_write);
ram_addr_t xen_ram_addr_from_mapcache(void *ptr);
void xen_invalidate_map_cache_entry(uint8_t *buffer);
void xen_invalidate_map_cache(void);
uint8_t *xen_replace_cache_entry(hwaddr old_phys_addr,
hwaddr new_phys_addr,
hwaddr size);
#else
static inline void xen_map_cache_init(phys_offset_to_gaddr_t f,
void *opaque)
{
}
static inline uint8_t *xen_map_cache(MemoryRegion *mr,
hwaddr phys_addr,
hwaddr size,
ram_addr_t ram_addr_offset,
uint8_t lock,
bool dma,
bool is_write)
{
abort();
}
static inline ram_addr_t xen_ram_addr_from_mapcache(void *ptr)
{
abort();
}
static inline void xen_invalidate_map_cache_entry(uint8_t *buffer)
{
}
static inline void xen_invalidate_map_cache(void)
{
}
static inline uint8_t *xen_replace_cache_entry(hwaddr old_phys_addr,
hwaddr new_phys_addr,
hwaddr size)
{
abort();
}
#endif
#endif /* XEN_MAPCACHE_H */
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