173 lines
7.0 KiB
C
173 lines
7.0 KiB
C
/* $NetBSD: if_qereg.h,v 1.1 1995/03/30 20:26:41 ragge Exp $ */
|
|
/*
|
|
* Copyright (c) 1988 Regents of the University of California.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* Digital Equipment Corp.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* @(#)if_qereg.h 7.3 (Berkeley) 6/28/90
|
|
*/
|
|
|
|
/* @(#)if_qereg.h 1.2 (ULTRIX) 1/3/85 */
|
|
|
|
/****************************************************************
|
|
* *
|
|
* Licensed from Digital Equipment Corporation *
|
|
* Copyright (c) *
|
|
* Digital Equipment Corporation *
|
|
* Maynard, Massachusetts *
|
|
* 1985, 1986 *
|
|
* All rights reserved. *
|
|
* *
|
|
* The Information in this software is subject to change *
|
|
* without notice and should not be construed as a commitment *
|
|
* by Digital Equipment Corporation. Digital makes no *
|
|
* representations about the suitability of this software for *
|
|
* any purpose. It is supplied "As Is" without expressed or *
|
|
* implied warranty. *
|
|
* *
|
|
* If the Regents of the University of California or its *
|
|
* licensees modify the software in a manner creating *
|
|
* diriviative copyright rights, appropriate copyright *
|
|
* legends may be placed on the drivative work in addition *
|
|
* to that set forth above. *
|
|
* *
|
|
****************************************************************/
|
|
/* ---------------------------------------------------------------------
|
|
* Modification History
|
|
*
|
|
* 13 Feb. 84 -- rjl
|
|
*
|
|
* Initial version of driver. derived from IL driver.
|
|
*
|
|
* ---------------------------------------------------------------------
|
|
*/
|
|
|
|
/*
|
|
* Digital Q-BUS to NI Adapter
|
|
*/
|
|
struct qedevice {
|
|
u_short qe_sta_addr[2]; /* Station address (actually 6 */
|
|
u_short qe_rcvlist_lo; /* Receive list lo address */
|
|
u_short qe_rcvlist_hi; /* Receive list hi address */
|
|
u_short qe_xmtlist_lo; /* Transmit list lo address */
|
|
u_short qe_xmtlist_hi; /* Transmit list hi address */
|
|
u_short qe_vector; /* Interrupt vector */
|
|
u_short qe_csr; /* Command and Status Register */
|
|
};
|
|
|
|
/*
|
|
* Command and status bits (csr)
|
|
*/
|
|
#define QE_RCV_ENABLE 0x0001 /* Receiver enable */
|
|
#define QE_RESET 0x0002 /* Software reset */
|
|
#define QE_NEX_MEM_INT 0x0004 /* Non existant mem interrupt */
|
|
#define QE_LOAD_ROM 0x0008 /* Load boot/diag from rom */
|
|
#define QE_XL_INVALID 0x0010 /* Transmit list invalid */
|
|
#define QE_RL_INVALID 0x0020 /* Receive list invalid */
|
|
#define QE_INT_ENABLE 0x0040 /* Interrupt enable */
|
|
#define QE_XMIT_INT 0x0080 /* Transmit interrupt */
|
|
#define QE_ILOOP 0x0100 /* Internal loopback */
|
|
#define QE_ELOOP 0x0200 /* External loopback */
|
|
#define QE_STIM_ENABLE 0x0400 /* Sanity timer enable */
|
|
#define QE_POWERUP 0x1000 /* Tranceiver power on */
|
|
#define QE_CARRIER 0x2000 /* Carrier detect */
|
|
#define QE_RCV_INT 0x8000 /* Receiver interrupt */
|
|
|
|
/*
|
|
* Transmit and receive ring discriptor ---------------------------
|
|
*
|
|
* The QNA uses the flag, status1 and the valid bit as a handshake/semiphore
|
|
* mechinism.
|
|
*
|
|
* The flag word is written on ( bits 15,15 set to 1 ) when it reads the
|
|
* descriptor. If the valid bit is set it considers the address to be valid.
|
|
* When it uses the buffer pointed to by the valid address it sets status word
|
|
* one.
|
|
*/
|
|
struct qe_ring {
|
|
u_short qe_flag; /* Buffer utilization flags */
|
|
u_short qe_addr_hi:6, /* Hi order bits of buffer addr */
|
|
qe_odd_begin:1, /* Odd byte begin and end (xmit)*/
|
|
qe_odd_end:1,
|
|
qe_fill1:4,
|
|
qe_setup:1, /* Setup packet */
|
|
qe_eomsg:1, /* End of message flag */
|
|
qe_chain:1, /* Chain address instead of buf */
|
|
qe_valid:1; /* Address field is valid */
|
|
u_short qe_addr_lo; /* Low order bits of address */
|
|
short qe_buf_len; /* Negative buffer length */
|
|
u_short qe_status1; /* Status word one */
|
|
u_short qe_status2; /* Status word two */
|
|
};
|
|
|
|
/*
|
|
* Status word definations (receive)
|
|
* word1
|
|
*/
|
|
#define QE_OVF 0x0001 /* Receiver overflow */
|
|
#define QE_CRCERR 0x0002 /* CRC error */
|
|
#define QE_FRAME 0x0004 /* Framing alignment error */
|
|
#define QE_SHORT 0x0008 /* Packet size < 10 bytes */
|
|
#define QE_RBL_HI 0x0700 /* Hi bits of receive len */
|
|
#define QE_RUNT 0x0800 /* Runt packet */
|
|
#define QE_DISCARD 0x1000 /* Discard the packet */
|
|
#define QE_ESETUP 0x2000 /* Looped back setup or eloop */
|
|
#define QE_ERROR 0x4000 /* Receiver error */
|
|
#define QE_LASTNOT 0x8000 /* Not the last in the packet */
|
|
/* word2 */
|
|
#define QE_RBL_LO 0x00ff /* Low bits of receive len */
|
|
|
|
/*
|
|
* Status word definations (transmit)
|
|
* word1
|
|
*/
|
|
#define QE_CCNT 0x00f0 /* Collision count this packet */
|
|
#define QE_FAIL 0x0100 /* Heart beat check failure */
|
|
#define QE_ABORT 0x0200 /* Transmission abort */
|
|
#define QE_STE16 0x0400 /* Sanity timer default on */
|
|
#define QE_NOCAR 0x0800 /* No carrier */
|
|
#define QE_LOSS 0x1000 /* Loss of carrier while xmit */
|
|
/* word2 */
|
|
#define QE_TDR 0x3fff /* Time domain reflectometry */
|
|
|
|
/*
|
|
* General constant definations
|
|
*/
|
|
#define QEALLOC 0 /* Allocate an mbuf */
|
|
#define QENOALLOC 1 /* No mbuf allocation */
|
|
#define QEDEALLOC 2 /* Release an mbuf chain */
|
|
|
|
#define QE_NOTYET 0x8000 /* Descriptor not in use yet */
|
|
#define QE_INUSE 0x4000 /* Descriptor being used by QNA */
|
|
#define QE_MASK 0xc000 /* Lastnot/error/used mask */
|