/* * The USB Monitor, inspired by Dave Harding's USBMon. * * Copyright (C) 2005 Pete Zaitcev (zaitcev@redhat.com) */ #ifndef __USB_MON_H #define __USB_MON_H #include #include #include /* #include */ /* We use struct pointers only in this header */ #define TAG "usbmon" struct mon_bus { struct list_head bus_link; spinlock_t lock; struct usb_bus *u_bus; int text_inited; int bin_inited; struct dentry *dent_s; /* Debugging file */ struct dentry *dent_t; /* Text interface file */ struct dentry *dent_u; /* Second text interface file */ struct device *classdev; /* Device in usbmon class */ /* Ref */ int nreaders; /* Under mon_lock AND mbus->lock */ struct list_head r_list; /* Chain of readers (usually one) */ struct kref ref; /* Under mon_lock */ /* Stats */ unsigned int cnt_events; unsigned int cnt_text_lost; }; /* * An instance of a process which opened a file (but can fork later) */ struct mon_reader { struct list_head r_link; struct mon_bus *m_bus; void *r_data; /* Use container_of instead? */ void (*rnf_submit)(void *data, struct urb *urb); void (*rnf_error)(void *data, struct urb *urb, int error); void (*rnf_complete)(void *data, struct urb *urb, int status); }; void mon_reader_add(struct mon_bus *mbus, struct mon_reader *r); void mon_reader_del(struct mon_bus *mbus, struct mon_reader *r); struct mon_bus *mon_bus_lookup(unsigned int num); int /*bool*/ mon_text_add(struct mon_bus *mbus, const struct usb_bus *ubus); void mon_text_del(struct mon_bus *mbus); int /*bool*/ mon_bin_add(struct mon_bus *mbus, const struct usb_bus *ubus); void mon_bin_del(struct mon_bus *mbus); int __init mon_text_init(void); void mon_text_exit(void); int __init mon_bin_init(void); void mon_bin_exit(void); /* */ extern struct mutex mon_lock; extern const struct file_operations mon_fops_stat; extern struct mon_bus mon_bus0; /* Only for redundant checks */ #endif /* __USB_MON_H */ diff

path: root/drivers/usb/serial/quatech2.c

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