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 18 struct FsmInst; 19 20 typedef void (*FSMFNPTR)(struct FsmInst *, int, void *); 21 22 struct Fsm { 23 FSMFNPTR *jumpmatrix; 24 int state_count, event_count; 25 char **strEvent, **strState; 26 }; 27 28 struct 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 37 struct FsmNode { 38 int state, event; 39 void (*routine) (struct FsmInst *, int, void *); 40 }; 41 42 struct FsmTimer { 43 struct FsmInst *fi; 44 struct timer_list tl; 45 int event; 46 void *arg; 47 }; 48 49 extern int mISDN_FsmNew(struct Fsm *, struct FsmNode *, int); 50 extern void mISDN_FsmFree(struct Fsm *); 51 extern int mISDN_FsmEvent(struct FsmInst *, int , void *); 52 extern void mISDN_FsmChangeState(struct FsmInst *, int); 53 extern void mISDN_FsmInitTimer(struct FsmInst *, struct FsmTimer *); 54 extern int mISDN_FsmAddTimer(struct FsmTimer *, int, int, void *, int); 55 extern void mISDN_FsmRestartTimer(struct FsmTimer *, int, int, void *, int); 56 extern void mISDN_FsmDelTimer(struct FsmTimer *, int); 57 58 #endif 59