Quelle siox.h Sprache: C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2015 Pengutronix, Uwe Kleine-König <kernel@pengutronix.de>
*/

#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);
void (*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;
}

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);
}

static inline void siox_driver_unregister(struct siox_driver *sdriver)
{
return driver_unregister(&sdriver->driver);
}

/*
* module_siox_driver() - Helper macro for drivers that don't do
* anything special in module init/exit.  This eliminates a lot of
* boilerplate.  Each module may only use this macro once, and
* calling it replaces module_init() and module_exit()
*/
#define module_siox_driver(__siox_driver) \
module_driver(__siox_driver, siox_driver_register, \
   siox_driver_unregister)

quality96%

¤ Dauer der Verarbeitung: 0.12 Sekunden (vorverarbeitet) ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.