49a7202979
Pass the ram_addr offset to xen_map_cache. This is in preparation for adding grant mappings that need to compute the address within the RAMBlock. No functional changes. Signed-off-by: Edgar E. Iglesias <edgar.iglesias@amd.com> Reviewed-by: David Hildenbrand <david@redhat.com> Reviewed-by: Stefano Stabellini <sstabellini@kernel.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
72 lines
2.0 KiB
C
72 lines
2.0 KiB
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 "exec/cpu-common.h"
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#include "sysemu/xen.h"
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typedef hwaddr (*phys_offset_to_gaddr_t)(hwaddr phys_offset,
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ram_addr_t size);
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#ifdef CONFIG_XEN_IS_POSSIBLE
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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(MemoryRegion *mr, hwaddr phys_addr, hwaddr size,
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ram_addr_t ram_addr_offset,
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uint8_t lock, bool dma,
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bool is_write);
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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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uint8_t *xen_replace_cache_entry(hwaddr old_phys_addr,
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hwaddr new_phys_addr,
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hwaddr size);
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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(MemoryRegion *mr,
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hwaddr phys_addr,
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hwaddr size,
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ram_addr_t ram_addr_offset,
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uint8_t lock,
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bool dma,
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bool is_write)
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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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static inline uint8_t *xen_replace_cache_entry(hwaddr old_phys_addr,
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hwaddr new_phys_addr,
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hwaddr size)
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{
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abort();
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}
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#endif
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#endif /* XEN_MAPCACHE_H */
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