2
  *   €ГЖѓЎk_†I|ҐЏ+a–Ь4э()Ё‰P@Љ	›ЂЖД¦-яК І    /* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_ZSWAP_H
#define _LINUX_ZSWAP_H

#include <linux/types.h>
#include <linux/mm_types.h>

struct lruvec;

extern u64 zswap_pool_total_size;
extern atomic_t zswap_stored_pages;

#ifdef CONFIG_ZSWAP

struct zswap_lruvec_state {
	/*
	 * Number of pages in zswap that should be protected from the shrinker.
	 * This number is an estimate of the following counts:
	 *
	 * a) Recent page faults.
	 * b) Recent insertion to the zswap LRU. This includes new zswap stores,
	 *    as well as recent zswap LRU rotations.
	 *
	 * These pages are likely to be warm, and might incur IO if the are written
	 * to swap.
	 */
	atomic_long_t nr_zswap_protected;
};

bool zswap_store(struct folio *folio);
bool zswap_load(struct folio *folio);
void zswap_invalidate(int type, pgoff_t offset);
void zswap_swapon(int type);
void zswap_swapoff(int type);
void zswap_memcg_offline_cleanup(struct mem_cgroup *memcg);
void zswap_lruvec_state_init(struct lruvec *lruvec);
void zswap_folio_swapin(struct folio *folio);
bool is_zswap_enabled(void);
#else

struct zswap_lruvec_state {};

static inline bool zswap_store(struct folio *folio)
{
	return false;
}

static inline bool zswap_load(struct folio *folio)
{
	return false;
}

static inline void zswap_invalidate(int type, pgoff_t offset) {}
static inline void zswap_swapon(int type) {}
static inline void zswap_swapoff(int type) {}
static inline void zswap_memcg_offline_cleanup(struct mem_cgroup *memcg) {}
static inline void zswap_lruvec_state_init(struct lruvec *lruvec) {}
static inline void zswap_folio_swapin(struct folio *folio) {}

static inline bool is_zswap_enabled(void)
{
	return false;
}

#endif

#endif /* _LINUX_ZSWAP_H */
     €ЕИѓi—ЭїѕК -    /* SPDX-License-Identifier: GPL-2.0 */
/*
 * Intel ISH client Interface definitions
 *
 * Copyright (c) 2019, Intel Corporation.
 */

#ifndef _INTEL_ISH_CLIENT_IF_H_
#define _INTEL_ISH_CLIENT_IF_H_

#include <linux/device.h>
#include <linux/mod_devicetable.h>

struct ishtp_cl_device;
struct ishtp_device;
struct ishtp_cl;
struct ishtp_fw_client;

typedef __printf(2, 3) void (*ishtp_print_log)(struct ishtp_device *dev,
					       const char *format, ...);

/* Client state */
enum cl_state {
	ISHTP_CL_INITIALIZING = 0,
	ISHTP_CL_CONNECTING,
	ISHTP_CL_CONNECTED,
	ISHTP_CL_DISCONNECTING,
	ISHTP_CL_DISCONNECTED
};

/**
 * struct ishtp_cl_device - ISHTP device handle
 * @driver:	driver instance on a bus
 * @name:	Name of the device for probe
 * @probe:	driver callback for device probe
 * @remove:	driver callback on device removal
 *
 * Client drivers defines to get probed/removed for ISHTP client device.
 */
struct ishtp_cl_driver {
	struct device_driver driver;
	const char *name;
	const struct ishtp_device_id *id;
	int (*probe)(struct ishtp_cl_device *dev);
	void (*remove)(struct ishtp_cl_device *dev);
	int (*reset)(struct ishtp_cl_device *dev);
	const struct dev_pm_ops *pm;
};

/**
 * struct ishtp_msg_data - ISHTP message data struct
 * @size:	Size of data in the *data
 * @data:	Pointer to data
 */
struct ishtp_msg_data {
	uint32_t size;
	unsigned char *data;
};

/*
 * struct ishtp_cl_rb - request block structure
 * @list:	Link to list members
 * @cl:		ISHTP client instance
 * @buffer:	message header
 * @buf_idx:	Index into buffer
 * @read_time:	 unused at this time
 */
struct ishtp_cl_rb {
	struct list_head list;
	struct ishtp_cl *cl;
	struct ishtp_msg_data buffer;
	unsigned long buf_idx;
	unsigned long read_time;
};

int ishtp_cl_driver_register(struct ishtp_cl_driver *driver,
			     struct module *owner);
void ishtp_cl_driver_unregister(struct ishtp_cl_driver *driver);
int ishtp_register_event_cb(struct ishtp_cl_device *device,
			    void (*read_cb)(struct ishtp_cl_device *));

/* Get the device * from ishtp device instance */
struct device *ishtp_device(struct ishtp_cl_device *cl_device);
/* wait for IPC resume */
bool ishtp_wait_resume(struct ishtp_device *dev);
/* Trace interface for clients */
ishtp_print_log ishtp_trace_callback(struct ishtp_cl