LXR linux/drivers/isdn/mISDN/fsm.h

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 *
   4 * Author       Karsten Keil <kkeil@novell.com>
   5 *
   6 * Thanks to    Jan den Ouden
   7 *              Fritz Elfert
   8 * Copyright 2008  by Karsten Keil <kkeil@novell.com>
   9 */
  10
  11#ifndef _MISDN_FSM_H
  12#define _MISDN_FSM_H
  13
  14#include <linux/timer.h>
  15
  16/* Statemachine */
  17
  18struct FsmInst;
  19
  20typedef void (*FSMFNPTR)(struct FsmInst *, int, void *);
  21
  22struct Fsm {
  23        FSMFNPTR *jumpmatrix;
  24        int state_count, event_count;
  25        char **strEvent, **strState;
  26};
  27
  28struct FsmInst {
  29        struct Fsm *fsm;
  30        int state;
  31        int debug;
  32        void *userdata;
  33        int userint;
  34        void (*printdebug) (struct FsmInst *, char *, ...);
  35};
  36
  37struct FsmNode {
  38        int state, event;
  39        void (*routine) (struct FsmInst *, int, void *);
  40};
  41
  42struct FsmTimer {
  43        struct FsmInst *fi;
  44        struct timer_list tl;
  45        int event;
  46        void *arg;
  47};
  48
  49extern int mISDN_FsmNew(struct Fsm *, struct FsmNode *, int);
  50extern void mISDN_FsmFree(struct Fsm *);
  51extern int mISDN_FsmEvent(struct FsmInst *, int , void *);
  52extern void mISDN_FsmChangeState(struct FsmInst *, int);
  53extern void mISDN_FsmInitTimer(struct FsmInst *, struct FsmTimer *);
  54extern int mISDN_FsmAddTimer(struct FsmTimer *, int, int, void *, int);
  55extern void mISDN_FsmRestartTimer(struct FsmTimer *, int, int, void *, int);
  56extern void mISDN_FsmDelTimer(struct FsmTimer *, int);
  57
  58#endif
  59