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/drivers/char/rio/protsts.h

https://bitbucket.org/evzijst/gittest
C Header | 119 lines | 17 code | 21 blank | 81 comment | 0 complexity | 1c3045539c59be85a1900ea80c8ed7a2 MD5 | raw file
  1/****************************************************************************
  2 *******                                                              *******
  3 *******      P R O T O C O L    S T A T U S   S T R U C T U R E      *******
  4 *******                                                              *******
  5 ****************************************************************************
  6
  7 Author  : Ian Nandhra / Jeremy Rolls
  8 Date    :
  9
 10 *
 11 *  (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK.
 12 *
 13 *      This program is free software; you can redistribute it and/or modify
 14 *      it under the terms of the GNU General Public License as published by
 15 *      the Free Software Foundation; either version 2 of the License, or
 16 *      (at your option) any later version.
 17 *
 18 *      This program is distributed in the hope that it will be useful,
 19 *      but WITHOUT ANY WARRANTY; without even the implied warranty of
 20 *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 21 *      GNU General Public License for more details.
 22 *
 23 *      You should have received a copy of the GNU General Public License
 24 *      along with this program; if not, write to the Free Software
 25 *      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 26
 27 Version : 0.01
 28
 29
 30                            Mods
 31 ----------------------------------------------------------------------------
 32  Date     By                Description
 33 ----------------------------------------------------------------------------
 34
 35 ***************************************************************************/
 36
 37#ifndef _protsts_h
 38#define _protsts_h 1
 39
 40
 41#ifdef SCCS_LABELS
 42#ifndef lint
 43/* static char *_rio_protsts_h_sccs = "@(#)protsts.h	1.4"; */
 44#endif
 45#endif
 46
 47/*************************************************
 48 * ACK bit. Last Packet received OK. Set by
 49 * rxpkt to indicate that the Packet has been
 50 * received OK and that the LTT must set the ACK
 51 * bit in the next outward bound Packet
 52 * and re-set by LTT's after xmit.
 53 *
 54 * Gets shoved into rx_status
 55 ************************************************/
 56#define PHB_RX_LAST_PKT_ACKED    ((ushort) 0x080)
 57
 58/*******************************************************
 59 * The Rx TOGGLE bit.
 60 * Stuffed into rx_status by RXPKT
 61 ******************************************************/
 62#define PHB_RX_DATA_WNDW         ((ushort) 0x040)
 63
 64/*******************************************************
 65 * The Rx TOGGLE bit. Matches the setting in PKT.H
 66 * Stuffed into rx_status
 67 ******************************************************/
 68#define PHB_RX_TGL               ((ushort) 0x2000)
 69
 70
 71/*************************************************
 72 * This bit is set by the LRT to indicate that
 73 * an ACK (packet) must be returned.
 74 *
 75 * Gets shoved into tx_status
 76 ************************************************/
 77#define PHB_TX_SEND_PKT_ACK      ((ushort) 0x08)
 78
 79/*************************************************
 80 * Set by LTT to indicate that an ACK is required
 81 *************************************************/
 82#define PHB_TX_ACK_RQRD         ((ushort) 0x01)
 83
 84
 85/*******************************************************
 86 * The Tx TOGGLE bit.
 87 * Stuffed into tx_status by RXPKT from the PKT WndW
 88 * field. Looked by the LTT when the NEXT Packet
 89 * is going to be sent.
 90 ******************************************************/
 91#define PHB_TX_DATA_WNDW         ((ushort) 0x04)
 92
 93
 94/*******************************************************
 95 * The Tx TOGGLE bit. Matches the setting in PKT.H
 96 * Stuffed into tx_status
 97 ******************************************************/
 98#define PHB_TX_TGL               ((ushort) 0x02)
 99
100/*******************************************************
101 * Request intr bit. Set when the queue has gone quiet
102 * and the PHB has requested an interrupt.
103 ******************************************************/
104#define PHB_TX_INTR             ((ushort) 0x100)
105
106/*******************************************************
107 * SET if the PHB cannot send any more data down the
108 * Link
109 ******************************************************/
110#define PHB_TX_HANDSHAKE         ((ushort) 0x010)
111
112
113#define RUP_SEND_WNDW		 ((ushort) 0x08) ;
114
115#endif
116
117/*********** end of file ***********/
118
119