xref: /qemu/include/qemu/plugin-memory.h (revision b49f4755)
1 /*
2  * Plugin Memory API
3  *
4  * Copyright (c) 2019 Linaro Ltd
5  *
6  * SPDX-License-Identifier: GPL-2.0-or-later
7  */
8 
9 #ifndef PLUGIN_MEMORY_H
10 #define PLUGIN_MEMORY_H
11 
12 #include "exec/cpu-defs.h"
13 #include "exec/hwaddr.h"
14 
15 struct qemu_plugin_hwaddr {
16     bool is_io;
17     bool is_store;
18     hwaddr phys_addr;
19     MemoryRegion *mr;
20 };
21 
22 /**
23  * tlb_plugin_lookup: query last TLB lookup
24  * @cpu: cpu environment
25  *
26  * This function can be used directly after a memory operation to
27  * query information about the access. It is used by the plugin
28  * infrastructure to expose more information about the address.
29  *
30  * It would only fail if not called from an instrumented memory access
31  * which would be an abuse of the API.
32  */
33 bool tlb_plugin_lookup(CPUState *cpu, vaddr addr, int mmu_idx,
34                        bool is_store, struct qemu_plugin_hwaddr *data);
35 
36 #endif /* PLUGIN_MEMORY_H */
37