1 /******************************************************************************
4 * Project: GEnesis, PCI Gigabit Ethernet Adapter
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 1.1.5.1 2011-02-28 14:42:34 lothar
31 * imported Freescale specific U-Boot additions for i.MX28,... release L2.6.31_10.08.01
33 * Revision 1.18 2002/05/07 14:11:11 rwahl
34 * Fixed Watcom Precompiler error.
36 * Revision 1.17 2002/03/25 10:06:41 mkunz
37 * SkIgnoreEvent deleted
39 * Revision 1.16 2002/03/15 10:51:59 mkunz
40 * Added event classes for link aggregation
42 * Revision 1.15 1999/11/22 13:36:29 cgoos
43 * Changed license header to GPL.
45 * Revision 1.14 1998/10/15 15:11:35 gklug
46 * fix: ID_sccs to SysKonnectFileId
48 * Revision 1.13 1998/09/08 08:47:52 gklug
49 * add: init level handling
51 * Revision 1.12 1998/09/08 07:43:20 gklug
52 * fix: Sirq Event function name
54 * Revision 1.11 1998/09/08 05:54:34 gklug
55 * chg: define SK_CSUM is replaced by SK_USE_CSUM
57 * Revision 1.10 1998/09/03 14:14:49 gklug
58 * add: CSUM and HWAC Eventclass and function.
60 * Revision 1.9 1998/08/19 09:50:50 gklug
61 * fix: remove struct keyword from c-code (see CCC) add typedefs
63 * Revision 1.8 1998/08/17 13:43:11 gklug
64 * chg: Parameter will be union of 64bit para, 2 times SK_U32 or SK_PTR
66 * Revision 1.7 1998/08/14 07:09:11 gklug
69 * Revision 1.6 1998/08/11 12:13:14 gklug
70 * add: return code feature of Event service routines
71 * add: correct Error log calls
73 * Revision 1.5 1998/08/07 12:53:45 gklug
74 * fix: first compiled version
76 * Revision 1.4 1998/08/07 09:20:48 gklug
77 * adapt functions to C coding conventions.
79 * Revision 1.3 1998/08/05 11:29:32 gklug
80 * rmv: Timer event entry. Timer will queue event directly
82 * Revision 1.2 1998/07/31 11:22:40 gklug
85 * Revision 1.1 1998/07/30 15:14:01 gklug
86 * Initial version. Adapted from SMT
90 ******************************************************************************/
96 Event queue and dispatcher
98 static const char SysKonnectFileId[] =
101 #include "h/skdrv1st.h" /* Driver Specific Definitions */
102 #include "h/skqueue.h" /* Queue Definitions */
103 #include "h/skdrv2nd.h" /* Adapter Control- and Driver specific Def. */
107 Event queue management.
116 #define PRINTF(a,b,c)
119 * init event queue management
121 * Must be called during init level 0.
124 SK_AC *pAC, /* Adapter context */
125 SK_IOC Ioc, /* IO context */
126 int Level) /* Init level */
130 pAC->Event.EvPut = pAC->Event.EvGet = pAC->Event.EvQueue ;
141 SK_AC *pAC, /* Adapters context */
142 SK_U32 Class, /* Event Class */
143 SK_U32 Event, /* Event to be queued */
144 SK_EVPARA Para) /* Event parameter */
146 pAC->Event.EvPut->Class = Class ;
147 pAC->Event.EvPut->Event = Event ;
148 pAC->Event.EvPut->Para = Para ;
149 if (++pAC->Event.EvPut == &pAC->Event.EvQueue[SK_MAX_EVENT])
150 pAC->Event.EvPut = pAC->Event.EvQueue ;
152 if (pAC->Event.EvPut == pAC->Event.EvGet) {
153 SK_ERR_LOG(pAC, SK_ERRCL_NORES, SKERR_Q_E001, SKERR_Q_E001MSG) ;
159 * while event queue is not empty
160 * get event from queue
161 * send command to state machine
163 * return error reported by individual Event function
164 * 0 if no error occured.
166 int SkEventDispatcher(
167 SK_AC *pAC, /* Adapters Context */
168 SK_IOC Ioc) /* Io context */
170 SK_EVENTELEM *pEv ; /* pointer into queue */
174 pEv = pAC->Event.EvGet ;
175 PRINTF("dispatch get %x put %x\n",pEv,pAC->Event.ev_put) ;
176 while (pEv != pAC->Event.EvPut) {
177 PRINTF("dispatch Class %d Event %d\n",pEv->Class,pEv->Event) ;
178 switch(Class = pEv->Class) {
179 #ifndef SK_USE_LAC_EV
180 case SKGE_RLMT : /* RLMT Event */
181 Rtv = SkRlmtEvent(pAC,Ioc,pEv->Event,pEv->Para);
183 case SKGE_I2C : /* I2C Event */
184 Rtv = SkI2cEvent(pAC,Ioc,pEv->Event,pEv->Para);
187 Rtv = SkPnmiEvent(pAC,Ioc,pEv->Event,pEv->Para);
189 #endif /* SK_USE_LAC_EV */
190 case SKGE_DRV : /* Driver Event */
191 Rtv = SkDrvEvent(pAC,Ioc,pEv->Event,pEv->Para);
193 #ifndef SK_USE_SW_TIMER
195 Rtv = SkGeSirqEvent(pAC,Ioc,pEv->Event,pEv->Para);
197 #else /* !SK_USE_SW_TIMER */
199 Rtv = SkSwtEvent(pAC,Ioc,pEv->Event,pEv->Para);
201 #endif /* !SK_USE_SW_TIMER */
204 Rtv = SkLacpEvent(pAC,Ioc,pEv->Event,pEv->Para);
207 Rtv = SkRsfEvent(pAC,Ioc,pEv->Event,pEv->Para);
210 Rtv = SkMarkerEvent(pAC,Ioc,pEv->Event,pEv->Para);
213 Rtv = SkFdEvent(pAC,Ioc,pEv->Event,pEv->Para);
215 #endif /* SK_USE_LAC_EV */
218 Rtv = SkCsEvent(pAC,Ioc,pEv->Event,pEv->Para);
220 #endif /* SK_USE_CSUM */
222 SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_Q_E002,
231 if (++pEv == &pAC->Event.EvQueue[SK_MAX_EVENT])
232 pEv = pAC->Event.EvQueue ;
234 /* Renew get: it is used in queue_events to detect overruns */
235 pAC->Event.EvGet = pEv;