targetos.h

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/******************************************************************************
 *
 *  (C)Copyright 1998,1999 SysKonnect,
 *  a business unit of Schneider & Koch & Co. Datensysteme GmbH.
 *
 *  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.
 *
 ******************************************************************************/

/*
 *  Operating system specific definitions for driver and
 *  hardware module.
 */

#ifndef TARGETOS_H
#define TARGETOS_H


//-------- those should go into include/linux/pci.h
#define PCI_VENDOR_ID_SK        0x1148
#define PCI_DEVICE_ID_SK_FP     0x4000
//--------



//-------- those should go into include/linux/if_fddi.h
#define FDDI_MAC_HDR_LEN 13

#define FDDI_RII    0x01 /* routing information bit */
#define FDDI_RCF_DIR_BIT 0x80
#define FDDI_RCF_LEN_MASK 0x1f
#define FDDI_RCF_BROADCAST 0x8000
#define FDDI_RCF_LIMITED_BROADCAST 0xA000
#define FDDI_RCF_FRAME2K 0x20
#define FDDI_RCF_FRAME4K 0x30
//--------


#undef ADDR

#include <asm/io.h>
#include <linux/netdevice.h>
#include <linux/fddidevice.h>
#include <linux/skbuff.h>
#include <linux/pci.h>
#include <linux/init.h>

// is redefined by linux, but we need our definition
#undef ADDR
#ifdef MEM_MAPPED_IO
#define ADDR(a) (smc->hw.iop+(a))
#else
#define ADDR(a) (((a)>>7) ? (outp(smc->hw.iop+B0_RAP,(a)>>7), (smc->hw.iop+( ((a)&0x7F) | ((a)>>7 ? 0x80:0)) )) : (smc->hw.iop+(((a)&0x7F)|((a)>>7 ? 0x80:0))))
#endif

#include "hwmtm.h"

#define TRUE  1
#define FALSE 0

// HWM Definitions
// -----------------------
#define FDDI_TRACE(string, arg1, arg2, arg3)    // Performance analysis.
#ifdef PCI
#define NDD_TRACE(string, arg1, arg2, arg3) // Performance analysis.
#endif  // PCI
#define SMT_PAGESIZE    PAGE_SIZE   // Size of a memory page (power of 2).
// -----------------------


// SMT Definitions
// -----------------------
#define TICKS_PER_SECOND    HZ
#define SMC_VERSION         1
// -----------------------


// OS-Driver Definitions
// -----------------------
#define NO_ADDRESS 0xffe0   /* No Device (I/O) Address */
#define SKFP_MAX_NUM_BOARDS 8   /* maximum number of PCI boards */

#define SK_BUS_TYPE_PCI     0
#define SK_BUS_TYPE_EISA    1

#define FP_IO_LEN       256 /* length of IO area used */

#define u8  unsigned char
#define u16 unsigned short
#define u32 unsigned int

#define MAX_TX_QUEUE_LEN    20 // number of packets queued by driver
#define MAX_FRAME_SIZE      4550

#define RX_LOW_WATERMARK    NUM_RECEIVE_BUFFERS  / 2
#define TX_LOW_WATERMARK    NUM_TRANSMIT_BUFFERS - 2

/*
** Include the IOCTL stuff
*/
#include <linux/sockios.h>

#define SKFPIOCTL   SIOCDEVPRIVATE

struct s_skfp_ioctl {
    unsigned short cmd;                /* Command to run */
    unsigned short len;                /* Length of the data buffer */
    unsigned char __user *data;        /* Pointer to the data buffer */
};

/* 
** Recognised ioctl commands for the driver 
*/
#define SKFP_GET_STATS      0x05 /* Get the driver statistics */
#define SKFP_CLR_STATS      0x06 /* Zero out the driver statistics */

// The per-adapter driver structure
struct s_smt_os {
    struct net_device *dev;
    struct net_device *next_module;
    u32 bus_type;       /* bus type (0 == PCI, 1 == EISA) */
    struct pci_dev  pdev;       /* PCI device structure */
    
    unsigned long base_addr;
    unsigned char factory_mac_addr[8];
    ulong   SharedMemSize;
    ulong   SharedMemHeap;
    void*   SharedMemAddr;
    dma_addr_t SharedMemDMA;

    ulong   QueueSkb;
    struct  sk_buff_head SendSkbQueue;

    ulong   MaxFrameSize;
    u8  ResetRequested;

    // MAC statistics structure
    struct fddi_statistics MacStat;

    // receive into this local buffer if no skb available
    // data will be not valid, because multiple RxDs can
    // point here at the same time, it must be at least
    // MAX_FRAME_SIZE bytes in size
    unsigned char *LocalRxBuffer;
    dma_addr_t LocalRxBufferDMA;
    
    // Version (required by SMT module).
    u_long smc_version ;

    // Required by Hardware Module (HWM).
    struct hw_modul hwm ;
    
    // For SMP-savety
    spinlock_t DriverLock;
    
};

typedef struct s_smt_os skfddi_priv;

#endif   // _TARGETOS_