skqueue.c
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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- * THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF SYSKONNECT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 %xn",pEv,pAC->Event.ev_put) ;
- while (pEv != pAC->Event.EvPut) {
- PRINTF("dispatch Class %d Event %dn",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 */