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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 <sys/mman.h>
#include "trace.h"
void qemu_map_cache_init(void);
uint8_t *qemu_map_cache(target_phys_addr_t phys_addr, target_phys_addr_t size, uint8_t lock);
void qemu_map_cache_unlock(void *phys_addr);
ram_addr_t qemu_ram_addr_from_mapcache(void *ptr);
void qemu_invalidate_entry(uint8_t *buffer);
void qemu_invalidate_map_cache(void);
uint8_t *xen_map_block(target_phys_addr_t phys_addr, target_phys_addr_t size);
static inline void xen_unmap_block(void *addr, ram_addr_t size)
{
trace_xen_unmap_block(addr, size);
if (munmap(addr, size) != 0) {
hw_error("xen_unmap_block: %s", strerror(errno));
}
}
#define mapcache_lock() ((void)0)
#define mapcache_unlock() ((void)0)
#endif /* !XEN_MAPCACHE_H */
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