Git Repo - qemu.git/blame_incremental - include/migration/register.h

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Commit	Line	Data
	1	/*
	2	* QEMU migration vmstate registration
	3	*
	4	* Copyright IBM, Corp. 2008
	5	*
	6	* Authors:
	7	* Anthony Liguori <[email protected]>
	8	*
	9	* This work is licensed under the terms of the GNU GPL, version 2. See
	10	* the COPYING file in the top-level directory.
	11	*
	12	*/
	13
	14	#ifndef MIGRATION_REGISTER_H
	15	#define MIGRATION_REGISTER_H
	16
	17	typedef struct SaveVMHandlers {
	18	/* This runs inside the iothread lock. */
	19	SaveStateHandler *save_state;
	20
	21	void (save_cleanup)(void opaque);
	22	int (save_live_complete_postcopy)(QEMUFile f, void *opaque);
	23	int (save_live_complete_precopy)(QEMUFile f, void *opaque);
	24
	25	/* This runs both outside and inside the iothread lock. */
	26	bool (is_active)(void opaque);
	27
	28	/* This runs outside the iothread lock in the migration case, and
	29	* within the lock in the savevm case. The callback had better only
	30	* use data that is local to the migration thread or protected
	31	* by other locks.
	32	*/
	33	int (save_live_iterate)(QEMUFile f, void *opaque);
	34
	35	/* This runs outside the iothread lock! */
	36	int (save_setup)(QEMUFile f, void *opaque);
	37	void (save_live_pending)(QEMUFile f, void *opaque,
	38	uint64_t threshold_size,
	39	uint64_t *non_postcopiable_pending,
	40	uint64_t *postcopiable_pending);
	41	LoadStateHandler *load_state;
	42	int (load_setup)(QEMUFile f, void *opaque);
	43	int (load_cleanup)(void opaque);
	44	} SaveVMHandlers;
	45
	46	int register_savevm_live(DeviceState *dev,
	47	const char *idstr,
	48	int instance_id,
	49	int version_id,
	50	SaveVMHandlers *ops,
	51	void *opaque);
	52
	53	void unregister_savevm(DeviceState dev, const char idstr, void *opaque);
	54
	55	#endif