Annotation of sys/arch/vax/if/if_qereg.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: if_qereg.h,v 1.7 2003/06/02 23:27:57 millert Exp $ */
! 2: /* $NetBSD: if_qereg.h,v 1.6 2001/06/19 13:42:18 wiz Exp $ */
! 3: /*
! 4: * Copyright (c) 1988 Regents of the University of California.
! 5: * All rights reserved.
! 6: *
! 7: * This code is derived from software contributed to Berkeley by
! 8: * Digital Equipment Corp.
! 9: *
! 10: * Redistribution and use in source and binary forms, with or without
! 11: * modification, are permitted provided that the following conditions
! 12: * are met:
! 13: * 1. Redistributions of source code must retain the above copyright
! 14: * notice, this list of conditions and the following disclaimer.
! 15: * 2. Redistributions in binary form must reproduce the above copyright
! 16: * notice, this list of conditions and the following disclaimer in the
! 17: * documentation and/or other materials provided with the distribution.
! 18: * 3. Neither the name of the University nor the names of its contributors
! 19: * may be used to endorse or promote products derived from this software
! 20: * without specific prior written permission.
! 21: *
! 22: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 23: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 24: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 25: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 26: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 27: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 28: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 29: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 30: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 31: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 32: * SUCH DAMAGE.
! 33: *
! 34: * @(#)if_qereg.h 7.3 (Berkeley) 6/28/90
! 35: */
! 36:
! 37: /* @(#)if_qereg.h 1.2 (ULTRIX) 1/3/85 */
! 38:
! 39: /****************************************************************
! 40: * *
! 41: * Licensed from Digital Equipment Corporation *
! 42: * Copyright (c) *
! 43: * Digital Equipment Corporation *
! 44: * Maynard, Massachusetts *
! 45: * 1985, 1986 *
! 46: * All rights reserved. *
! 47: * *
! 48: * The Information in this software is subject to change *
! 49: * without notice and should not be construed as a commitment *
! 50: * by Digital Equipment Corporation. Digital makes no *
! 51: * representations about the suitability of this software for *
! 52: * any purpose. It is supplied "As Is" without expressed or *
! 53: * implied warranty. *
! 54: * *
! 55: * If the Regents of the University of California or its *
! 56: * licensees modify the software in a manner creating *
! 57: * derivative copyright rights, appropriate copyright *
! 58: * legends may be placed on the derivative work in addition *
! 59: * to that set forth above. *
! 60: * *
! 61: ****************************************************************/
! 62: /* ---------------------------------------------------------------------
! 63: * Modification History
! 64: *
! 65: * 13 Feb. 84 -- rjl
! 66: *
! 67: * Initial version of driver. derived from IL driver.
! 68: *
! 69: * ---------------------------------------------------------------------
! 70: */
! 71:
! 72: /*
! 73: * Digital Q-BUS to NI Adapter
! 74: */
! 75: #ifdef notdef
! 76: struct qedevice {
! 77: u_short qe_sta_addr[2]; /* Station address (actually 6 */
! 78: u_short qe_rcvlist_lo; /* Receive list lo address */
! 79: u_short qe_rcvlist_hi; /* Receive list hi address */
! 80: u_short qe_xmtlist_lo; /* Transmit list lo address */
! 81: u_short qe_xmtlist_hi; /* Transmit list hi address */
! 82: u_short qe_vector; /* Interrupt vector */
! 83: u_short qe_csr; /* Command and Status Register */
! 84: };
! 85: #endif
! 86:
! 87: /*
! 88: * Register offsets in register space.
! 89: */
! 90: #define QE_CSR_ADDR1 0
! 91: #define QE_CSR_ADDR2 2
! 92: #define QE_CSR_RCLL 4
! 93: #define QE_CSR_RCLH 6
! 94: #define QE_CSR_XMTL 8
! 95: #define QE_CSR_XMTH 10
! 96: #define QE_CSR_VECTOR 12
! 97: #define QE_CSR_CSR 14
! 98:
! 99: /*
! 100: * Command and status bits (csr)
! 101: */
! 102: #define QE_RCV_ENABLE 0x0001 /* Receiver enable */
! 103: #define QE_RESET 0x0002 /* Software reset */
! 104: #define QE_NEX_MEM_INT 0x0004 /* Non existent mem interrupt */
! 105: #define QE_LOAD_ROM 0x0008 /* Load boot/diag from rom */
! 106: #define QE_XL_INVALID 0x0010 /* Transmit list invalid */
! 107: #define QE_RL_INVALID 0x0020 /* Receive list invalid */
! 108: #define QE_INT_ENABLE 0x0040 /* Interrupt enable */
! 109: #define QE_XMIT_INT 0x0080 /* Transmit interrupt */
! 110: #define QE_ILOOP 0x0100 /* Internal loopback */
! 111: #define QE_ELOOP 0x0200 /* External loopback */
! 112: #define QE_STIM_ENABLE 0x0400 /* Sanity timer enable */
! 113: #define QE_POWERUP 0x1000 /* Tranceiver power on */
! 114: #define QE_CARRIER 0x2000 /* Carrier detect */
! 115: #define QE_RCV_INT 0x8000 /* Receiver interrupt */
! 116:
! 117: /*
! 118: * Transmit and receive ring discriptor ---------------------------
! 119: *
! 120: * The QNA uses the flag, status1 and the valid bit as a handshake/semiphore
! 121: * mechinism.
! 122: *
! 123: * The flag word is written on ( bits 15,15 set to 1 ) when it reads the
! 124: * descriptor. If the valid bit is set it considers the address to be valid.
! 125: * When it uses the buffer pointed to by the valid address it sets status word
! 126: * one.
! 127: */
! 128: struct qe_ring {
! 129: u_short qe_flag; /* Buffer utilization flags */
! 130: u_short qe_addr_hi;
! 131: u_short qe_addr_lo; /* Low order bits of address */
! 132: short qe_buf_len; /* Negative buffer length */
! 133: u_short qe_status1; /* Status word one */
! 134: u_short qe_status2; /* Status word two */
! 135: };
! 136:
! 137: /*
! 138: * High word address control bits.
! 139: */
! 140: #define QE_VALID 0x8000
! 141: #define QE_CHAIN 0x4000
! 142: #define QE_EOMSG 0x2000
! 143: #define QE_SETUP 0x1000
! 144: #define QE_ODDEND 0x0080
! 145: #define QE_ODDBEGIN 0x0040
! 146:
! 147: /*
! 148: * Status word definations (receive)
! 149: * word1
! 150: */
! 151: #define QE_OVF 0x0001 /* Receiver overflow */
! 152: #define QE_CRCERR 0x0002 /* CRC error */
! 153: #define QE_FRAME 0x0004 /* Framing alignment error */
! 154: #define QE_SHORT 0x0008 /* Packet size < 10 bytes */
! 155: #define QE_RBL_HI 0x0700 /* Hi bits of receive len */
! 156: #define QE_RUNT 0x0800 /* Runt packet */
! 157: #define QE_DISCARD 0x1000 /* Discard the packet */
! 158: #define QE_ESETUP 0x2000 /* Looped back setup or eloop */
! 159: #define QE_ERROR 0x4000 /* Receiver error */
! 160: #define QE_LASTNOT 0x8000 /* Not the last in the packet */
! 161: /* word2 */
! 162: #define QE_RBL_LO 0x00ff /* Low bits of receive len */
! 163:
! 164: /*
! 165: * Status word definations (transmit)
! 166: * word1
! 167: */
! 168: #define QE_CCNT 0x00f0 /* Collision count this packet */
! 169: #define QE_FAIL 0x0100 /* Heart beat check failure */
! 170: #define QE_ABORT 0x0200 /* Transmission abort */
! 171: #define QE_STE16 0x0400 /* Sanity timer default on */
! 172: #define QE_NOCAR 0x0800 /* No carrier */
! 173: #define QE_LOSS 0x1000 /* Loss of carrier while xmit */
! 174: /* word2 */
! 175: #define QE_TDR 0x3fff /* Time domain reflectometry */
! 176:
! 177: /*
! 178: * General constant definations
! 179: */
! 180: #define QEALLOC 0 /* Allocate an mbuf */
! 181: #define QENOALLOC 1 /* No mbuf allocation */
! 182: #define QEDEALLOC 2 /* Release an mbuf chain */
! 183:
! 184: #define QE_NOTYET 0x8000 /* Descriptor not in use yet */
! 185: #define QE_INUSE 0x4000 /* Descriptor being used by QNA */
! 186: #define QE_MASK 0xc000 /* Lastnot/error/used mask */
! 187:
! 188: /*
! 189: * Values for the length of the setup packet that control reception filter.
! 190: */
! 191: #define QE_SETUPLEN 128 /* Size of setup packet */
! 192: #define QE_ALLMULTI 1 /* Receive all multicasts */
! 193: #define QE_PROMISC 2 /* Receive all packets */
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