Release 4.17 include/linux/siox.h

/*
 * Copyright (C) 2015 Pengutronix, Uwe Kleine-König <kernel@pengutronix.de>
 *
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License version 2 as published by the
 * Free Software Foundation.
 */

#include <linux/device.h>


#define to_siox_device(_dev)	container_of((_dev), struct siox_device, dev)

struct siox_device {
	
struct list_head node; /* node in smaster->devices */
	
struct siox_master *smaster;
	
struct device dev;

	
const char *type;
	
size_t inbytes;
	
size_t outbytes;
	
u8 statustype;

	
u8 status_read_clean;
	
u8 status_written;
	
u8 status_written_lastcycle;
	
bool connected;

	/* statistics */
	
unsigned int watchdog_errors;
	
unsigned int status_errors;

	
struct kernfs_node *status_errors_kn;
	
struct kernfs_node *watchdog_kn;
	
struct kernfs_node *watchdog_errors_kn;
	
struct kernfs_node *connected_kn;
};

bool siox_device_synced(struct siox_device *sdevice);
bool siox_device_connected(struct siox_device *sdevice);


struct siox_driver {
	
int (*probe)(struct siox_device *sdevice);
	
int (*remove)(struct siox_device *sdevice);
	
void (*shutdown)(struct siox_device *sdevice);

	/*
         * buf is big enough to hold sdev->inbytes - 1 bytes, the status byte
         * is in the scope of the framework.
         */
	
int (*set_data)(struct siox_device *sdevice, u8 status, u8 buf[]);
	/*
         * buf is big enough to hold sdev->outbytes - 1 bytes, the status byte
         * is in the scope of the framework
         */
	
int (*get_data)(struct siox_device *sdevice, const u8 buf[]);

	
struct device_driver driver;
};



static inline struct siox_driver *to_siox_driver(struct device_driver *driver)
{
	if (driver)
		return container_of(driver, struct siox_driver, driver);
	else
		return NULL;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Uwe Kleine-König
33
100.00%
1
100.00%
Total
33
100.00%
1
100.00%

int __siox_driver_register(struct siox_driver *sdriver, struct module *owner);



static inline int siox_driver_register(struct siox_driver *sdriver)
{
	return __siox_driver_register(sdriver, THIS_MODULE);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Uwe Kleine-König
20
100.00%
1
100.00%
Total
20
100.00%
1
100.00%



static inline void siox_driver_unregister(struct siox_driver *sdriver)
{
	return driver_unregister(&sdriver->driver);
}
Contributors
Person
Tokens
Prop
Commits
CommitProp
Uwe Kleine-König
21
100.00%
1
100.00%
Total
21
100.00%
1
100.00%

Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Uwe Kleine-König
274
100.00%
1
100.00%
Total
274
100.00%
1
100.00%
Directory: include/linux

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.