/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _LINUX_PAGE_REPORTING_H #define _LINUX_PAGE_REPORTING_H #include <linux/mmzone.h> #include <linux/scatterlist.h> /* This value should always be a power of 2, see page_reporting_cycle() */ #define PAGE_REPORTING_CAPACITY 32 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; }; /* 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 */