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