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root / include / sysemu / xen-mapcache.h @ 9c17d615

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/*
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 * Copyright (C) 2011       Citrix Ltd.
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 *
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 * This work is licensed under the terms of the GNU GPL, version 2.  See
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 * the COPYING file in the top-level directory.
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 *
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 */
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#ifndef XEN_MAPCACHE_H
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#define XEN_MAPCACHE_H
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#include <stdlib.h>
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typedef hwaddr (*phys_offset_to_gaddr_t)(hwaddr start_addr,
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                                                     ram_addr_t size,
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                                                     void *opaque);
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#ifdef CONFIG_XEN
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void xen_map_cache_init(phys_offset_to_gaddr_t f,
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                        void *opaque);
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uint8_t *xen_map_cache(hwaddr phys_addr, hwaddr size,
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                       uint8_t lock);
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ram_addr_t xen_ram_addr_from_mapcache(void *ptr);
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void xen_invalidate_map_cache_entry(uint8_t *buffer);
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void xen_invalidate_map_cache(void);
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#else
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static inline void xen_map_cache_init(phys_offset_to_gaddr_t f,
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                                      void *opaque)
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{
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}
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static inline uint8_t *xen_map_cache(hwaddr phys_addr,
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                                     hwaddr size,
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                                     uint8_t lock)
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{
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    abort();
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}
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static inline ram_addr_t xen_ram_addr_from_mapcache(void *ptr)
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{
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    abort();
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}
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static inline void xen_invalidate_map_cache_entry(uint8_t *buffer)
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{
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}
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static inline void xen_invalidate_map_cache(void)
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{
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}
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#endif
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#endif /* !XEN_MAPCACHE_H */