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root/include/linux/comstats.h

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/*****************************************************************************/

/*
 *      comstats.h  -- Serial Port Stats.
 *
 *      Copyright (C) 1996-1998  Stallion Technologies
 *      Copyright (C) 1994-1996  Greg Ungerer.
 *
 *      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.
 *
 *      This program is distributed in the hope that it will be useful,
 *      but WITHOUT ANY WARRANTY; without even the implied warranty of
 *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *      GNU General Public License for more details.
 *
 *      You should have received a copy of the GNU General Public License
 *      along with this program; if not, write to the Free Software
 *      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

/*****************************************************************************/
#ifndef _COMSTATS_H
#define _COMSTATS_H
/*****************************************************************************/

/*
 *      Serial port stats structure. The structure itself is UART
 *      independent, but some fields may be UART/driver specific (for
 *      example state).
 */

typedef struct {
        unsigned long   brd;
        unsigned long   panel;
        unsigned long   port;
        unsigned long   hwid;
        unsigned long   type;
        unsigned long   txtotal;
        unsigned long   rxtotal;
        unsigned long   txbuffered;
        unsigned long   rxbuffered;
        unsigned long   rxoverrun;
        unsigned long   rxparity;
        unsigned long   rxframing;
        unsigned long   rxlost;
        unsigned long   txbreaks;
        unsigned long   rxbreaks;
        unsigned long   txxon;
        unsigned long   txxoff;
        unsigned long   rxxon;
        unsigned long   rxxoff;
        unsigned long   txctson;
        unsigned long   txctsoff;
        unsigned long   rxrtson;
        unsigned long   rxrtsoff;
        unsigned long   modem;
        unsigned long   state;
        unsigned long   flags;
        unsigned long   ttystate;
        unsigned long   cflags;
        unsigned long   iflags;
        unsigned long   oflags;
        unsigned long   lflags;
        unsigned long   signals;
} comstats_t;


/*
 *      Board stats structure. Returns useful info about the board.
 */

#define COM_MAXPANELS   8

typedef struct {
        unsigned long   panel;
        unsigned long   type;
        unsigned long   hwid;
        unsigned long   nrports;
} companel_t;

typedef struct {
        unsigned long   brd;
        unsigned long   type;
        unsigned long   hwid;
        unsigned long   state;
        unsigned long   ioaddr;
        unsigned long   ioaddr2;
        unsigned long   memaddr;
        unsigned long   irq;
        unsigned long   nrpanels;
        unsigned long   nrports;
        companel_t      panels[COM_MAXPANELS];
} combrd_t;


/*
 *      Define the ioctl operations for stats stuff.
 */
#include <linux/ioctl.h>

#define COM_GETPORTSTATS        _IO('c',30)
#define COM_CLRPORTSTATS        _IO('c',31)
#define COM_GETBRDSTATS         _IO('c',32)


/*
 *      Define the set of ioctls that give user level access to the
 *      private port, panel and board structures. The argument required
 *      will be driver dependent!  
 */
#define COM_READPORT            _IO('c',40)
#define COM_READBOARD           _IO('c',41)
#define COM_READPANEL           _IO('c',42)

/*****************************************************************************/
#endif

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