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