qemu with hax to log dma reads & writes
jcs.org/2018/11/12/vfio
1/*
2 * Declarations for functions which are internal to the memory subsystem.
3 *
4 * Copyright 2011 Red Hat, Inc. and/or its affiliates
5 *
6 * Authors:
7 * Avi Kivity <avi@redhat.com>
8 *
9 * This work is licensed under the terms of the GNU GPL, version 2 or
10 * later. See the COPYING file in the top-level directory.
11 *
12 */
13
14/*
15 * This header is for use by exec.c, memory.c and accel/tcg/cputlb.c ONLY,
16 * for declarations which are shared between the memory subsystem's
17 * internals and the TCG TLB code. Do not include it from elsewhere.
18 */
19
20#ifndef MEMORY_INTERNAL_H
21#define MEMORY_INTERNAL_H
22
23#include "cpu.h"
24
25#ifndef CONFIG_USER_ONLY
26static inline AddressSpaceDispatch *flatview_to_dispatch(FlatView *fv)
27{
28 return fv->dispatch;
29}
30
31static inline AddressSpaceDispatch *address_space_to_dispatch(AddressSpace *as)
32{
33 return flatview_to_dispatch(address_space_to_flatview(as));
34}
35
36FlatView *address_space_get_flatview(AddressSpace *as);
37void flatview_unref(FlatView *view);
38
39extern const MemoryRegionOps unassigned_mem_ops;
40
41bool memory_region_access_valid(MemoryRegion *mr, hwaddr addr,
42 unsigned size, bool is_write,
43 MemTxAttrs attrs);
44
45void flatview_add_to_dispatch(FlatView *fv, MemoryRegionSection *section);
46AddressSpaceDispatch *address_space_dispatch_new(FlatView *fv);
47void address_space_dispatch_compact(AddressSpaceDispatch *d);
48void address_space_dispatch_free(AddressSpaceDispatch *d);
49
50void mtree_print_dispatch(struct AddressSpaceDispatch *d,
51 MemoryRegion *root);
52#endif
53#endif