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link.h

/****************************************************************************
 *******                                                              *******
 *******                      L I N K
 *******                                                              *******
 ****************************************************************************

 Author  : Ian Nandhra / Jeremy Rolls
 Date    :

 *
 *  (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK.
 *
 *      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.

 Version : 0.01


                            Mods
 ----------------------------------------------------------------------------
  Date     By                Description
 ----------------------------------------------------------------------------

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

#ifndef _link_h
#define _link_h 1

/*************************************************
 * Define the Link Status stuff
 ************************************************/
/* Boot request stuff */
#define BOOT_REQUEST       ((ushort) 0)   /* Request for a boot */
#define BOOT_ABORT         ((ushort) 1)   /* Abort a boot */
#define BOOT_SEQUENCE      ((ushort) 2)   /* Packet with the number of packets
                                 and load address */
#define BOOT_COMPLETED     ((ushort) 3)   /* Boot completed */


struct LPB {
      u16 link_number;  /* Link Number */
      u16 in_ch;  /* Link In Channel */
      u16 out_ch; /* Link Out Channel */
      u8 attached_serial[4];  /* Attached serial number */
      u8 attached_host_serial[4];
      /* Serial number of Host who
         booted the other end */
      u16 descheduled;  /* Currently Descheduled */
      u16 state;        /* Current state */
      u16 send_poll;          /* Send a Poll Packet */
      u16 ltt_p;  /* Process Descriptor */
      u16 lrt_p;  /* Process Descriptor */
      u16 lrt_status;         /* Current lrt status */
      u16 ltt_status;         /* Current ltt status */
      u16 timeout;            /* Timeout value */
      u16 topology;           /* Topology bits */
      u16 mon_ltt;
      u16 mon_lrt;
      u16 WaitNoBoot;   /* Secs to hold off booting */
      u16 add_packet_list;    /* Add packets to here */
      u16 remove_packet_list; /* Send packets from here */

      u16 lrt_fail_chan;      /* Lrt's failure channel */
      u16 ltt_fail_chan;      /* Ltt's failure channel */

      /* RUP structure for HOST to driver communications */
      struct RUP rup;
      struct RUP link_rup;    /* RUP for the link (POLL,
                           topology etc.) */
      u16 attached_link;      /* Number of attached link */
      u16 csum_errors;  /* csum errors */
      u16 num_disconnects;    /* number of disconnects */
      u16 num_sync_rcvd;      /* # sync's received */
      u16 num_sync_rqst;      /* # sync requests */
      u16 num_tx;       /* Num pkts sent */
      u16 num_rx;       /* Num pkts received */
      u16 module_attached;    /* Module tpyes of attached */
      u16 led_timeout;  /* LED timeout */
      u16 first_port;         /* First port to service */
      u16 last_port;          /* Last port to service */
};

#endif

/*********** end of file ***********/

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