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/******************************************************************************
*
* Name: skqueue.c
* Project: PCI Gigabit Ethernet Adapter
* Version: $Revision: 1.14 $
* Date: $Date: 1998/10/15 15:11:35 $
* Purpose: Management of an event queue.
*
******************************************************************************/
/******************************************************************************
*
* (C)Copyright 1989-1998 SysKonnect,
* a business unit of Schneider & Koch & Co. Datensysteme GmbH.
* All Rights Reserved
*
* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF SYSKONNECT
* The copyright notice above does not evidence any
* actual or intended publication of such source code.
*
* This Module contains Proprietary Information of SysKonnect
* and should be treated as Confidential.
*
* The information in this file is provided for the exclusive use of
* the licensees of SysKonnect.
* Such users have the right to use, modify, and incorporate this code
* into products for purposes authorized by the license agreement
* provided they include this notice and the associated copyright notice
* with any such product.
* The information in this file is provided "AS IS" without warranty.
*
******************************************************************************/
/******************************************************************************
*
* History:
*
* $Log: skqueue.c,v $
* Revision 1.14 1998/10/15 15:11:35 gklug
* fix: ID_sccs to SysKonnectFileId
*
* Revision 1.13 1998/09/08 08:47:52 gklug
* add: init level handling
*
* Revision 1.12 1998/09/08 07:43:20 gklug
* fix: Sirq Event function name
*
* Revision 1.11 1998/09/08 05:54:34 gklug
* chg: define SK_CSUM is replaced by SK_USE_CSUM
*
* Revision 1.10 1998/09/03 14:14:49 gklug
* add: CSUM and HWAC Eventclass and function.
*
* Revision 1.9 1998/08/19 09:50:50 gklug
* fix: remove struct keyword from c-code (see CCC) add typedefs
*
* Revision 1.8 1998/08/17 13:43:11 gklug
* chg: Parameter will be union of 64bit para, 2 times SK_U32 or SK_PTR
*
* Revision 1.7 1998/08/14 07:09:11 gklug
* fix: chg pAc -> pAC
*
* Revision 1.6 1998/08/11 12:13:14 gklug
* add: return code feature of Event service routines
* add: correct Error log calls
*
* Revision 1.5 1998/08/07 12:53:45 gklug
* fix: first compiled version
*
* Revision 1.4 1998/08/07 09:20:48 gklug
* adapt functions to C coding conventions.
*
* Revision 1.3 1998/08/05 11:29:32 gklug
* rmv: Timer event entry. Timer will queue event directly
*
* Revision 1.2 1998/07/31 11:22:40 gklug
* Initial version
*
* Revision 1.1 1998/07/30 15:14:01 gklug
* Initial version. Adapted from SMT
*
*
*
******************************************************************************/
/*
Event queue and dispatcher
*/
static const char SysKonnectFileId[] =
"$Header: /usr56/projects/ge/schedule/skqueue.c,v 1.14 1998/10/15 15:11:35 gklug Exp $" ;
#include "h/skdrv1st.h" /* Driver Specific Definitions */
#include "h/skqueue.h" /* Queue Definitions */
#include "h/skdrv2nd.h" /* Adapter Control- and Driver specific Def. */
#ifdef __C2MAN__
/*
Event queue management.
General Description:
*/
intro()
{}
#endif
#define PRINTF(a,b,c)
/*
* init event queue management
*
* Must be called during init level 0.
*/
void SkEventInit(
SK_AC *pAC, /* Adapter context */
SK_IOC Ioc, /* IO context */
int Level) /* Init level */
{
switch (Level) {
case SK_INIT_DATA:
pAC->Event.EvPut = pAC->Event.EvGet = pAC->Event.EvQueue ;
break;
default:
break;
}
}
/*
* add event to queue
*/
void SkEventQueue(
SK_AC *pAC, /* Adapters context */
SK_U32 Class, /* Event Class */
SK_U32 Event, /* Event to be queued */
SK_EVPARA Para) /* Event parameter */
{
pAC->Event.EvPut->Class = Class ;
pAC->Event.EvPut->Event = Event ;
pAC->Event.EvPut->Para = Para ;
if (++pAC->Event.EvPut == &pAC->Event.EvQueue[SK_MAX_EVENT])
pAC->Event.EvPut = pAC->Event.EvQueue ;
if (pAC->Event.EvPut == pAC->Event.EvGet) {
SK_ERR_LOG(pAC, SK_ERRCL_NORES, SKERR_Q_E001, SKERR_Q_E001MSG) ;
}
}
/*
* event dispatcher
* while event queue is not empty
* get event from queue
* send command to state machine
* end
* return error reported by individual Event function
* 0 if no error occured.
*/
int SkEventDispatcher(
SK_AC *pAC, /* Adapters Context */
SK_IOC Ioc) /* Io context */
{
SK_EVENTELEM *pEv ; /* pointer into queue */
SK_U32 Class ;
int Rtv ;
pEv = pAC->Event.EvGet ;
PRINTF("dispatch get %x put %x\n",pEv,pAC->Event.ev_put) ;
while (pEv != pAC->Event.EvPut) {
PRINTF("dispatch Class %d Event %d\n",pEv->Class,pEv->Event) ;
switch(Class = pEv->Class) {
case SKGE_DRV : /* Driver Event */
Rtv = SkDrvEvent(pAC,Ioc,pEv->Event,pEv->Para);
break ;
case SKGE_RLMT : /* RLMT Event */
Rtv = SkRlmtEvent(pAC,Ioc,pEv->Event,pEv->Para);
break ;
case SKGE_I2C : /* I2C Event */
Rtv = SkI2cEvent(pAC,Ioc,pEv->Event,pEv->Para);
break ;
case SKGE_PNMI :
Rtv = SkPnmiEvent(pAC,Ioc,pEv->Event,pEv->Para);
break ;
case SKGE_HWAC :
Rtv = SkGeSirqEvent(pAC,Ioc,pEv->Event,pEv->Para);
break ;
#ifdef SK_USE_CSUM
case SKGE_CSUM :
Rtv = SkCsEvent(pAC,Ioc,pEv->Event,pEv->Para);
break ;
#endif /* SK_USE_CSUM */
default :
SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_Q_E002,
SKERR_Q_E002MSG) ;
Rtv = 0;
}
if (Rtv != 0) {
return(Rtv) ;
}
if (++pEv == &pAC->Event.EvQueue[SK_MAX_EVENT])
pEv = pAC->Event.EvQueue ;
/* Renew get: it is used in queue_events to detect overruns */
pAC->Event.EvGet = pEv;
}
return(0) ;
}
/* End of file */
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