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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 | /****************************************************************************** * * Name: skqueue.c * Project: GEnesis, PCI Gigabit Ethernet Adapter * Version: $Revision: 1.14 $ * Date: $Date: 1998/10/15 15:11:35 $ * Purpose: Management of an event queue. * ******************************************************************************/ /****************************************************************************** * * (C)Copyright 1998,1999 SysKonnect, * a business unit of Schneider & Koch & Co. Datensysteme GmbH. * * See the file "skge.c" for further information. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * 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 */ |