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TOMOYO Linux Cross Reference
Linux/include/linux/hidraw.h

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  1 /*
  2  *  Copyright (c) 2007 Jiri Kosina
  3  */
  4 /*
  5  * This program is free software; you can redistribute it and/or modify it
  6  * under the terms and conditions of the GNU General Public License,
  7  * version 2, as published by the Free Software Foundation.
  8  *
  9  * You should have received a copy of the GNU General Public License along with
 10  * this program; if not, write to the Free Software Foundation, Inc.,
 11  * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
 12  */
 13 #ifndef _HIDRAW_H
 14 #define _HIDRAW_H
 15 
 16 #include <uapi/linux/hidraw.h>
 17 
 18 
 19 struct hidraw {
 20         unsigned int minor;
 21         int exist;
 22         int open;
 23         wait_queue_head_t wait;
 24         struct hid_device *hid;
 25         struct device *dev;
 26         spinlock_t list_lock;
 27         struct list_head list;
 28 };
 29 
 30 struct hidraw_report {
 31         __u8 *value;
 32         int len;
 33 };
 34 
 35 struct hidraw_list {
 36         struct hidraw_report buffer[HIDRAW_BUFFER_SIZE];
 37         int head;
 38         int tail;
 39         struct fasync_struct *fasync;
 40         struct hidraw *hidraw;
 41         struct list_head node;
 42         struct mutex read_mutex;
 43 };
 44 
 45 #ifdef CONFIG_HIDRAW
 46 int hidraw_init(void);
 47 void hidraw_exit(void);
 48 int hidraw_report_event(struct hid_device *, u8 *, int);
 49 int hidraw_connect(struct hid_device *);
 50 void hidraw_disconnect(struct hid_device *);
 51 #else
 52 static inline int hidraw_init(void) { return 0; }
 53 static inline void hidraw_exit(void) { }
 54 static inline int hidraw_report_event(struct hid_device *hid, u8 *data, int len) { return 0; }
 55 static inline int hidraw_connect(struct hid_device *hid) { return -1; }
 56 static inline void hidraw_disconnect(struct hid_device *hid) { }
 57 #endif
 58 
 59 #endif
 60 

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