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237 lines
6.1 KiB
C
237 lines
6.1 KiB
C
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/******************************************************************************
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*
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* Name: skqueue.c
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* Project: GEnesis, PCI Gigabit Ethernet Adapter
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* Version: $Revision: 1.18 $
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* Date: $Date: 2002/05/07 14:11:11 $
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* Purpose: Management of an event queue.
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*
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******************************************************************************/
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/******************************************************************************
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*
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* (C)Copyright 1998,1999 SysKonnect,
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* a business unit of Schneider & Koch & Co. Datensysteme GmbH.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* The information in this file is provided "AS IS" without warranty.
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*
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******************************************************************************/
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/******************************************************************************
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*
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* History:
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*
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* $Log: skqueue.c,v $
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* Revision 1.18 2002/05/07 14:11:11 rwahl
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* Fixed Watcom Precompiler error.
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*
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* Revision 1.17 2002/03/25 10:06:41 mkunz
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* SkIgnoreEvent deleted
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*
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* Revision 1.16 2002/03/15 10:51:59 mkunz
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* Added event classes for link aggregation
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*
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* Revision 1.15 1999/11/22 13:36:29 cgoos
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* Changed license header to GPL.
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*
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* Revision 1.14 1998/10/15 15:11:35 gklug
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* fix: ID_sccs to SysKonnectFileId
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*
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* Revision 1.13 1998/09/08 08:47:52 gklug
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* add: init level handling
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*
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* Revision 1.12 1998/09/08 07:43:20 gklug
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* fix: Sirq Event function name
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*
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* Revision 1.11 1998/09/08 05:54:34 gklug
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* chg: define SK_CSUM is replaced by SK_USE_CSUM
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*
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* Revision 1.10 1998/09/03 14:14:49 gklug
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* add: CSUM and HWAC Eventclass and function.
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*
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* Revision 1.9 1998/08/19 09:50:50 gklug
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* fix: remove struct keyword from c-code (see CCC) add typedefs
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*
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* Revision 1.8 1998/08/17 13:43:11 gklug
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* chg: Parameter will be union of 64bit para, 2 times SK_U32 or SK_PTR
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*
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* Revision 1.7 1998/08/14 07:09:11 gklug
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* fix: chg pAc -> pAC
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*
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* Revision 1.6 1998/08/11 12:13:14 gklug
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* add: return code feature of Event service routines
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* add: correct Error log calls
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*
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* Revision 1.5 1998/08/07 12:53:45 gklug
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* fix: first compiled version
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*
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* Revision 1.4 1998/08/07 09:20:48 gklug
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* adapt functions to C coding conventions.
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*
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* Revision 1.3 1998/08/05 11:29:32 gklug
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* rmv: Timer event entry. Timer will queue event directly
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*
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* Revision 1.2 1998/07/31 11:22:40 gklug
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* Initial version
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*
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* Revision 1.1 1998/07/30 15:14:01 gklug
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* Initial version. Adapted from SMT
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*
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*
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*
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******************************************************************************/
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/*
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Event queue and dispatcher
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*/
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static const char SysKonnectFileId[] =
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"$Header: /usr56/projects/ge/schedule/skqueue.c,v 1.18 2002/05/07 14:11:11 rwahl Exp $" ;
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#include "h/skdrv1st.h" /* Driver Specific Definitions */
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#include "h/skqueue.h" /* Queue Definitions */
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#include "h/skdrv2nd.h" /* Adapter Control- and Driver specific Def. */
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#ifdef __C2MAN__
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/*
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Event queue management.
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General Description:
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*/
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intro()
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{}
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#endif
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#define PRINTF(a,b,c)
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/*
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* init event queue management
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*
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* Must be called during init level 0.
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*/
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void SkEventInit(
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SK_AC *pAC, /* Adapter context */
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SK_IOC Ioc, /* IO context */
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int Level) /* Init level */
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{
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switch (Level) {
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case SK_INIT_DATA:
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pAC->Event.EvPut = pAC->Event.EvGet = pAC->Event.EvQueue ;
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break;
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default:
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break;
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}
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}
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/*
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* add event to queue
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*/
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void SkEventQueue(
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SK_AC *pAC, /* Adapters context */
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SK_U32 Class, /* Event Class */
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SK_U32 Event, /* Event to be queued */
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SK_EVPARA Para) /* Event parameter */
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{
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pAC->Event.EvPut->Class = Class ;
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pAC->Event.EvPut->Event = Event ;
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pAC->Event.EvPut->Para = Para ;
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if (++pAC->Event.EvPut == &pAC->Event.EvQueue[SK_MAX_EVENT])
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pAC->Event.EvPut = pAC->Event.EvQueue ;
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if (pAC->Event.EvPut == pAC->Event.EvGet) {
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SK_ERR_LOG(pAC, SK_ERRCL_NORES, SKERR_Q_E001, SKERR_Q_E001MSG) ;
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}
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}
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/*
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* event dispatcher
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* while event queue is not empty
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* get event from queue
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* send command to state machine
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* end
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* return error reported by individual Event function
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* 0 if no error occured.
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*/
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int SkEventDispatcher(
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SK_AC *pAC, /* Adapters Context */
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SK_IOC Ioc) /* Io context */
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{
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SK_EVENTELEM *pEv ; /* pointer into queue */
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SK_U32 Class ;
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int Rtv ;
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pEv = pAC->Event.EvGet ;
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PRINTF("dispatch get %x put %x\n",pEv,pAC->Event.ev_put) ;
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while (pEv != pAC->Event.EvPut) {
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PRINTF("dispatch Class %d Event %d\n",pEv->Class,pEv->Event) ;
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switch(Class = pEv->Class) {
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#ifndef SK_USE_LAC_EV
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case SKGE_RLMT : /* RLMT Event */
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Rtv = SkRlmtEvent(pAC,Ioc,pEv->Event,pEv->Para);
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break ;
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case SKGE_I2C : /* I2C Event */
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Rtv = SkI2cEvent(pAC,Ioc,pEv->Event,pEv->Para);
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break ;
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case SKGE_PNMI :
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Rtv = SkPnmiEvent(pAC,Ioc,pEv->Event,pEv->Para);
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break ;
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#endif /* SK_USE_LAC_EV */
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case SKGE_DRV : /* Driver Event */
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Rtv = SkDrvEvent(pAC,Ioc,pEv->Event,pEv->Para);
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break ;
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#ifndef SK_USE_SW_TIMER
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case SKGE_HWAC :
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Rtv = SkGeSirqEvent(pAC,Ioc,pEv->Event,pEv->Para);
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break ;
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#else /* !SK_USE_SW_TIMER */
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case SKGE_SWT :
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Rtv = SkSwtEvent(pAC,Ioc,pEv->Event,pEv->Para);
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break ;
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#endif /* !SK_USE_SW_TIMER */
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#ifdef SK_USE_LAC_EV
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case SKGE_LACP :
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Rtv = SkLacpEvent(pAC,Ioc,pEv->Event,pEv->Para);
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break ;
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case SKGE_RSF :
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Rtv = SkRsfEvent(pAC,Ioc,pEv->Event,pEv->Para);
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break ;
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case SKGE_MARKER :
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Rtv = SkMarkerEvent(pAC,Ioc,pEv->Event,pEv->Para);
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break ;
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case SKGE_FD :
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Rtv = SkFdEvent(pAC,Ioc,pEv->Event,pEv->Para);
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break ;
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#endif /* SK_USE_LAC_EV */
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#ifdef SK_USE_CSUM
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case SKGE_CSUM :
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Rtv = SkCsEvent(pAC,Ioc,pEv->Event,pEv->Para);
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break ;
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#endif /* SK_USE_CSUM */
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default :
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SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_Q_E002,
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SKERR_Q_E002MSG) ;
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Rtv = 0;
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}
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if (Rtv != 0) {
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return(Rtv) ;
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}
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if (++pEv == &pAC->Event.EvQueue[SK_MAX_EVENT])
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pEv = pAC->Event.EvQueue ;
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/* Renew get: it is used in queue_events to detect overruns */
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pAC->Event.EvGet = pEv;
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}
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return(0) ;
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}
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/* End of file */
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