/* $OpenBSD: if_qereg.h,v 1.2 1997/05/29 00:04:33 niklas Exp $ */ /* $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 */