linux/drivers/usb/usbip/usbip_event.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright (C) 2003-2008 Takahiro Hirofuchi
 * Copyright (C) 2015 Nobuo Iwata
 */

#include <linux/kthread.h>
#include <linux/export.h>
#include <linux/slab.h>
#include <linux/workqueue.h>

#include "usbip_common.h"

struct usbip_event { … };

static DEFINE_SPINLOCK(event_lock);
static LIST_HEAD(event_list);

static void set_event(struct usbip_device *ud, unsigned long event)
{ … }

static void unset_event(struct usbip_device *ud, unsigned long event)
{ … }

static struct usbip_device *get_event(void)
{ … }

static struct task_struct *worker_context;

static void event_handler(struct work_struct *work)
{ … }

int usbip_start_eh(struct usbip_device *ud)
{ … }
EXPORT_SYMBOL_GPL(…);

void usbip_stop_eh(struct usbip_device *ud)
{ … }
EXPORT_SYMBOL_GPL(…);

#define WORK_QUEUE_NAME …

static struct workqueue_struct *usbip_queue;
static DECLARE_WORK(usbip_work, event_handler);

int usbip_init_eh(void)
{ … }

void usbip_finish_eh(void)
{ … }

void usbip_event_add(struct usbip_device *ud, unsigned long event)
{ … }
EXPORT_SYMBOL_GPL(…);

int usbip_event_happened(struct usbip_device *ud)
{ … }
EXPORT_SYMBOL_GPL(…);

int usbip_in_eh(struct task_struct *task)
{ … }
EXPORT_SYMBOL_GPL(…);