jcs.org
qemu with hax to log dma reads & writes
jcs.org/2018/11/12/vfio
1/*
2 * Internal structs that QEMU exports to TCG
3 *
4 * Copyright (c) 2003 Fabrice Bellard
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
18 */
19
20#ifndef QEMU_TB_CONTEXT_H
21#define QEMU_TB_CONTEXT_H
22
23#include "qemu/thread.h"
24#include "qemu/qht.h"
25
26#define CODE_GEN_HTABLE_BITS 15
27#define CODE_GEN_HTABLE_SIZE (1 << CODE_GEN_HTABLE_BITS)
28
29typedef struct TranslationBlock TranslationBlock;
30typedef struct TBContext TBContext;
31
32struct TBContext {
33
34 GTree *tb_tree;
35 struct qht htable;
36 /* any access to the tbs or the page table must use this lock */
37 QemuMutex tb_lock;
38
39 /* statistics */
40 unsigned tb_flush_count;
41 int tb_phys_invalidate_count;
42};
43
44extern TBContext tb_ctx;
45
46#endif