drivers/net/sk98lin/h/skqueue.h

   1 /******************************************************************************
   2  *
   3  * Name:        skqueue.h
   4  * Project:     Gigabit Ethernet Adapters, Event Scheduler Module
   5  * Version:     $Revision: 1.16 $
   6  * Date:        $Date: 2003/09/16 12:50:32 $
   7  * Purpose:     Defines for the Event queue
   8  *
   9  ******************************************************************************/
  10
  11 /******************************************************************************
  12  *
  13  *      (C)Copyright 1998-2002 SysKonnect GmbH.
  14  *      (C)Copyright 2002-2003 Marvell.
  15  *
  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.
  20  *
  21  *      The information in this file is provided "AS IS" without warranty.
  22  *
  23  ******************************************************************************/
  24
  25 /*
  26  * SKQUEUE.H    contains all defines and types for the event queue
  27  */
  28
  29 #ifndef _SKQUEUE_H_
  30 #define _SKQUEUE_H_
  31
  32
  33 /*
  34  * define the event classes to be served
  35  */
  36 #define SKGE_DRV        1       /* Driver Event Class */
  37 #define SKGE_RLMT       2       /* RLMT Event Class */
  38 #define SKGE_I2C        3       /* I2C Event Class */
  39 #define SKGE_PNMI       4       /* PNMI Event Class */
  40 #define SKGE_CSUM       5       /* Checksum Event Class */
  41 #define SKGE_HWAC       6       /* Hardware Access Event Class */
  42
  43 #define SKGE_SWT        9       /* Software Timer Event Class */
  44 #define SKGE_LACP       10      /* LACP Aggregation Event Class */
  45 #define SKGE_RSF        11      /* RSF Aggregation Event Class */
  46 #define SKGE_MARKER     12      /* MARKER Aggregation Event Class */
  47 #define SKGE_FD         13      /* FD Distributor Event Class */
  48
  49 /*
  50  * define event queue as circular buffer
  51  */
  52 #define SK_MAX_EVENT    64
  53
  54 /*
  55  * Parameter union for the Para stuff
  56  */
  57 typedef union u_EvPara {
  58         void    *pParaPtr;      /* Parameter Pointer */
  59         SK_U64  Para64;         /* Parameter 64bit version */
  60         SK_U32  Para32[2];      /* Parameter Array of 32bit parameters */
  61 } SK_EVPARA;
  62
  63 /*
  64  * Event Queue
  65  *      skqueue.c
  66  * events are class/value pairs
  67  *      class   is addressee, e.g. RLMT, PNMI etc.
  68  *      value   is command, e.g. line state change, ring op change etc.
  69  */
  70 typedef struct s_EventElem {
  71         SK_U32          Class;                  /* Event class */
  72         SK_U32          Event;                  /* Event value */
  73         SK_EVPARA       Para;                   /* Event parameter */
  74 } SK_EVENTELEM;
  75
  76 typedef struct s_Queue {
  77         SK_EVENTELEM    EvQueue[SK_MAX_EVENT];
  78         SK_EVENTELEM    *EvPut;
  79         SK_EVENTELEM    *EvGet;
  80 } SK_QUEUE;
  81
  82 extern  void SkEventInit(SK_AC *pAC, SK_IOC Ioc, int Level);
  83 extern  void SkEventQueue(SK_AC *pAC, SK_U32 Class, SK_U32 Event,
  84         SK_EVPARA Para);
  85 extern  int SkEventDispatcher(SK_AC *pAC, SK_IOC Ioc);
  86
  87
  88 /* Define Error Numbers and messages */
  89 #define SKERR_Q_E001    (SK_ERRBASE_QUEUE+0)
  90 #define SKERR_Q_E001MSG "Event queue overflow"
  91 #define SKERR_Q_E002    (SKERR_Q_E001+1)
  92 #define SKERR_Q_E002MSG "Undefined event class"
  93 #endif  /* _SKQUEUE_H_ */
  94