[mirror_qemu.git] / include / qemu / plugin-memory.h

/*
 * Plugin Memory API
 *
 * Copyright (c) 2019 Linaro Ltd
 *
 * SPDX-License-Identifier: GPL-2.0-or-later
 */

#ifndef PLUGIN_MEMORY_H
#define PLUGIN_MEMORY_H

#include "exec/cpu-defs.h"
#include "exec/hwaddr.h"

struct qemu_plugin_hwaddr {
    bool is_io;
    bool is_store;
    union {
        struct {
            MemoryRegionSection *section;
            hwaddr    offset;
        } io;
        struct {
            void *hostaddr;
        } ram;
    } v;
};

/**
 * tlb_plugin_lookup: query last TLB lookup
 * @cpu: cpu environment
 *
 * This function can be used directly after a memory operation to
 * query information about the access. It is used by the plugin
 * infrastructure to expose more information about the address.
 *
 * It would only fail if not called from an instrumented memory access
 * which would be an abuse of the API.
 */
bool tlb_plugin_lookup(CPUState *cpu, target_ulong addr, int mmu_idx,
                       bool is_store, struct qemu_plugin_hwaddr *data);

#endif /* PLUGIN_MEMORY_H */
Commit	Line	Data
235537fa AB	1	/*
	2	* Plugin Memory API
	3	*
	4	* Copyright (c) 2019 Linaro Ltd
	5	*
	6	* SPDX-License-Identifier: GPL-2.0-or-later
	7	*/
	8
e52ee00d AA	9	#ifndef PLUGIN_MEMORY_H
e52ee00d AA	10	#define PLUGIN_MEMORY_H
235537fa	11
7a5951f6 MA	12	#include "exec/cpu-defs.h"
	13	#include "exec/hwaddr.h"
	14
235537fa AB	15	struct qemu_plugin_hwaddr {
	16	bool is_io;
	17	bool is_store;
	18	union {
	19	struct {
	20	MemoryRegionSection *section;
	21	hwaddr offset;
	22	} io;
	23	struct {
2d932039	24	void *hostaddr;
235537fa AB	25	} ram;
	26	} v;
	27	};
	28
	29	/**
	30	* tlb_plugin_lookup: query last TLB lookup
	31	* @cpu: cpu environment
	32	*
	33	* This function can be used directly after a memory operation to
	34	* query information about the access. It is used by the plugin
	35	* infrastructure to expose more information about the address.
	36	*
	37	* It would only fail if not called from an instrumented memory access
	38	* which would be an abuse of the API.
	39	*/
	40	bool tlb_plugin_lookup(CPUState *cpu, target_ulong addr, int mmu_idx,
	41	bool is_store, struct qemu_plugin_hwaddr *data);
	42
ea9cea93	43	#endif /* PLUGIN_MEMORY_H */