1 /******************************************************************************
4 * Project: GEnesis, PCI Gigabit Ethernet Adapter
5 * Version: $Revision: 1.18 $
6 * Date: $Date: 2002/05/07 14:11:11 $
7 * Purpose: Management of an event queue.
9 ******************************************************************************/
11 /******************************************************************************
13 * (C)Copyright 1998,1999 SysKonnect,
14 * a business unit of Schneider & Koch & Co. Datensysteme GmbH.
16 * This program is free software; you can redistribute it and/or modify
17 * it under the terms of the GNU General Public License as published by
18 * the Free Software Foundation; either version 2 of the License, or
19 * (at your option) any later version.
21 * The information in this file is provided "AS IS" without warranty.
23 ******************************************************************************/
25 /******************************************************************************
30 * Revision 1.18 2002/05/07 14:11:11 rwahl
31 * Fixed Watcom Precompiler error.
33 * Revision 1.17 2002/03/25 10:06:41 mkunz
34 * SkIgnoreEvent deleted
36 * Revision 1.16 2002/03/15 10:51:59 mkunz
37 * Added event classes for link aggregation
39 * Revision 1.15 1999/11/22 13:36:29 cgoos
40 * Changed license header to GPL.
42 * Revision 1.14 1998/10/15 15:11:35 gklug
43 * fix: ID_sccs to SysKonnectFileId
45 * Revision 1.13 1998/09/08 08:47:52 gklug
46 * add: init level handling
48 * Revision 1.12 1998/09/08 07:43:20 gklug
49 * fix: Sirq Event function name
51 * Revision 1.11 1998/09/08 05:54:34 gklug
52 * chg: define SK_CSUM is replaced by SK_USE_CSUM
54 * Revision 1.10 1998/09/03 14:14:49 gklug
55 * add: CSUM and HWAC Eventclass and function.
57 * Revision 1.9 1998/08/19 09:50:50 gklug
58 * fix: remove struct keyword from c-code (see CCC) add typedefs
60 * Revision 1.8 1998/08/17 13:43:11 gklug
61 * chg: Parameter will be union of 64bit para, 2 times SK_U32 or SK_PTR
63 * Revision 1.7 1998/08/14 07:09:11 gklug
66 * Revision 1.6 1998/08/11 12:13:14 gklug
67 * add: return code feature of Event service routines
68 * add: correct Error log calls
70 * Revision 1.5 1998/08/07 12:53:45 gklug
71 * fix: first compiled version
73 * Revision 1.4 1998/08/07 09:20:48 gklug
74 * adapt functions to C coding conventions.
76 * Revision 1.3 1998/08/05 11:29:32 gklug
77 * rmv: Timer event entry. Timer will queue event directly
79 * Revision 1.2 1998/07/31 11:22:40 gklug
82 * Revision 1.1 1998/07/30 15:14:01 gklug
83 * Initial version. Adapted from SMT
87 ******************************************************************************/
95 Event queue and dispatcher
97 static const char SysKonnectFileId[] =
98 "$Header: /usr56/projects/ge/schedule/skqueue.c,v 1.18 2002/05/07 14:11:11 rwahl Exp $" ;
100 #include "h/skdrv1st.h" /* Driver Specific Definitions */
101 #include "h/skqueue.h" /* Queue Definitions */
102 #include "h/skdrv2nd.h" /* Adapter Control- and Driver specific Def. */
106 Event queue management.
115 #define PRINTF(a,b,c)
118 * init event queue management
120 * Must be called during init level 0.
123 SK_AC *pAC, /* Adapter context */
124 SK_IOC Ioc, /* IO context */
125 int Level) /* Init level */
129 pAC->Event.EvPut = pAC->Event.EvGet = pAC->Event.EvQueue ;
140 SK_AC *pAC, /* Adapters context */
141 SK_U32 Class, /* Event Class */
142 SK_U32 Event, /* Event to be queued */
143 SK_EVPARA Para) /* Event parameter */
145 pAC->Event.EvPut->Class = Class ;
146 pAC->Event.EvPut->Event = Event ;
147 pAC->Event.EvPut->Para = Para ;
148 if (++pAC->Event.EvPut == &pAC->Event.EvQueue[SK_MAX_EVENT])
149 pAC->Event.EvPut = pAC->Event.EvQueue ;
151 if (pAC->Event.EvPut == pAC->Event.EvGet) {
152 SK_ERR_LOG(pAC, SK_ERRCL_NORES, SKERR_Q_E001, SKERR_Q_E001MSG) ;
158 * while event queue is not empty
159 * get event from queue
160 * send command to state machine
162 * return error reported by individual Event function
163 * 0 if no error occured.
165 int SkEventDispatcher(
166 SK_AC *pAC, /* Adapters Context */
167 SK_IOC Ioc) /* Io context */
169 SK_EVENTELEM *pEv ; /* pointer into queue */
173 pEv = pAC->Event.EvGet ;
174 PRINTF("dispatch get %x put %x\n",pEv,pAC->Event.ev_put) ;
175 while (pEv != pAC->Event.EvPut) {
176 PRINTF("dispatch Class %d Event %d\n",pEv->Class,pEv->Event) ;
177 switch(Class = pEv->Class) {
178 #ifndef SK_USE_LAC_EV
179 case SKGE_RLMT : /* RLMT Event */
180 Rtv = SkRlmtEvent(pAC,Ioc,pEv->Event,pEv->Para);
182 case SKGE_I2C : /* I2C Event */
183 Rtv = SkI2cEvent(pAC,Ioc,pEv->Event,pEv->Para);
186 Rtv = SkPnmiEvent(pAC,Ioc,pEv->Event,pEv->Para);
188 #endif /* SK_USE_LAC_EV */
189 case SKGE_DRV : /* Driver Event */
190 Rtv = SkDrvEvent(pAC,Ioc,pEv->Event,pEv->Para);
192 #ifndef SK_USE_SW_TIMER
194 Rtv = SkGeSirqEvent(pAC,Ioc,pEv->Event,pEv->Para);
196 #else /* !SK_USE_SW_TIMER */
198 Rtv = SkSwtEvent(pAC,Ioc,pEv->Event,pEv->Para);
200 #endif /* !SK_USE_SW_TIMER */
203 Rtv = SkLacpEvent(pAC,Ioc,pEv->Event,pEv->Para);
206 Rtv = SkRsfEvent(pAC,Ioc,pEv->Event,pEv->Para);
209 Rtv = SkMarkerEvent(pAC,Ioc,pEv->Event,pEv->Para);
212 Rtv = SkFdEvent(pAC,Ioc,pEv->Event,pEv->Para);
214 #endif /* SK_USE_LAC_EV */
217 Rtv = SkCsEvent(pAC,Ioc,pEv->Event,pEv->Para);
219 #endif /* SK_USE_CSUM */
221 SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_Q_E002,
230 if (++pEv == &pAC->Event.EvQueue[SK_MAX_EVENT])
231 pEv = pAC->Event.EvQueue ;
233 /* Renew get: it is used in queue_events to detect overruns */
234 pAC->Event.EvGet = pEv;
240 #endif /* CONFIG_SK98 */