30 lines
895 B
C
30 lines
895 B
C
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_PAGE_REPORTING_H
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#define _LINUX_PAGE_REPORTING_H
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#include <linux/mmzone.h>
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#include <linux/scatterlist.h>
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/* This value should always be a power of 2, see page_reporting_cycle() */
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#define PAGE_REPORTING_CAPACITY 32
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struct page_reporting_dev_info {
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/* function that alters pages to make them "reported" */
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int (*report)(struct page_reporting_dev_info *prdev,
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struct scatterlist *sg, unsigned int nents);
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/* work struct for processing reports */
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struct delayed_work work;
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/* Current state of page reporting */
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atomic_t state;
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/* Minimal order of page reporting */
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unsigned int order;
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};
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/* Tear-down and bring-up for page reporting devices */
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void page_reporting_unregister(struct page_reporting_dev_info *prdev);
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int page_reporting_register(struct page_reporting_dev_info *prdev);
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#endif /*_LINUX_PAGE_REPORTING_H */
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