blob: 272b1274efdc1c18dc5117e69924e1181338b2af (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
/* 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 */
|
