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/* -*- linux-c -*-
*
* control channel header
* Copyright (C) 2009 Red Hat Inc.
*
* This file is part of systemtap, and is free software. You can
* redistribute it and/or modify it under the terms of the GNU General
* Public License (GPL); either version 2, or (at your option) any
* later version.
*/
#ifndef _CONTROL_H_
#define _CONTROL_H_
#include <linux/spinlock.h>
#include <linux/list.h>
static struct list_head _stp_ctl_ready_q;
static spinlock_t _stp_ctl_ready_lock;
static wait_queue_head_t _stp_ctl_wq;
struct _stp_buffer {
struct list_head list;
int len;
int type;
char buf[STP_CTL_BUFFER_SIZE];
};
static struct file_operations _stp_ctl_fops_cmd;
static int _stp_ctl_send(int type, void *data, int len);
static int _stp_ctl_write_fs(int type, void *data, unsigned len);
static int _stp_register_ctl_channel(void);
static void _stp_unregister_ctl_channel(void);
static int _stp_register_ctl_channel_fs(void);
static void _stp_unregister_ctl_channel_fs(void);
#endif /* _CONTROL_H_ */
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