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memory: Add FlatView foreach function

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Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Message-Id: <20201023150746.107063-2-alxndr@bu.edu>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This commit is contained in:
Alexander Bulekov 2020-10-23 11:07:30 -04:00 • committed by Thomas Huth
parent d232b87ec6
commit fb5ef4eeec
2 changed files with 18 additions and 0 deletions
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5
include/exec/memory.h
View file

@ -719,6 +719,11 @@ static inline FlatView *address_space_to_flatview(AddressSpace *as)
return qatomic_rcu_read(&as->current_map); return qatomic_rcu_read(&as->current_map);
} }
typedef int (*flatview_cb)(Int128 start,
Int128 len,
const MemoryRegion*, void*);
void flatview_for_each_range(FlatView *fv, flatview_cb cb , void *opaque);
/** /**
* struct MemoryRegionSection: describes a fragment of a #MemoryRegion * struct MemoryRegionSection: describes a fragment of a #MemoryRegion

13
softmmu/memory.c
View file

@ -656,6 +656,19 @@ static void render_memory_region(FlatView *view,
} }
} }
void flatview_for_each_range(FlatView *fv, flatview_cb cb , void *opaque)
{
FlatRange *fr;
assert(fv);
assert(cb);
FOR_EACH_FLAT_RANGE(fr, fv) {
if (cb(fr->addr.start, fr->addr.size, fr->mr, opaque))
break;
}
}
static MemoryRegion *memory_region_get_flatview_root(MemoryRegion *mr) static MemoryRegion *memory_region_get_flatview_root(MemoryRegion *mr)
{ {
while (mr->enabled) { while (mr->enabled) {