Cregit: Linux 7.2: page

Contributors: 6
Author	Tokens	Token Proportion	Commits	Commit Proportion
Alexander Duyck	72	80.90%	1	14.29%
Gavin Shan	5	5.62%	1	14.29%
Michael S. Tsirkin	5	5.62%	1	14.29%
Yuvraj Sakshith	4	4.49%	2	28.57%
Kirill A. Shutemov	2	2.25%	1	14.29%
Greg Kroah-Hartman	1	1.12%	1	14.29%
Total	89		7

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_PAGE_REPORTING_H
#define _LINUX_PAGE_REPORTING_H

#include <linux/mmzone.h>
#include <linux/scatterlist.h>

#define PAGE_REPORTING_CAPACITY		32
#define PAGE_REPORTING_ORDER_UNSPECIFIED	-1

struct page_reporting_dev_info {
	/* function that alters pages to make them "reported" */
	int (*report)(struct page_reporting_dev_info *prdev,
		      struct scatterlist *sg, unsigned int nents);

	/* work struct for processing reports */
	struct delayed_work work;

	/* Current state of page reporting */
	atomic_t state;

	/* Minimal order of page reporting */
	unsigned int order;

	/* Max pages per report batch; 0 (default) means PAGE_REPORTING_CAPACITY */
	unsigned int capacity;
};

/* Tear-down and bring-up for page reporting devices */
void page_reporting_unregister(struct page_reporting_dev_info *prdev);
int page_reporting_register(struct page_reporting_dev_info *prdev);
#endif /*_LINUX_PAGE_REPORTING_H */

page_reporting.h