135326Sbostic /* 235326Sbostic * Copyright (c) 1988 Regents of the University of California. 335326Sbostic * All rights reserved. 435326Sbostic * 535326Sbostic * This code is derived from software contributed to Berkeley by 635326Sbostic * Digital Equipment Corp. 735326Sbostic * 8*44563Sbostic * %sccs.include.redist.c% 935326Sbostic * 10*44563Sbostic * @(#)if_qereg.h 7.3 (Berkeley) 06/28/90 1135326Sbostic */ 1227478Skjd 1327478Skjd /* @(#)if_qereg.h 1.2 (ULTRIX) 1/3/85 */ 1427478Skjd 1527478Skjd /**************************************************************** 1627478Skjd * * 1727478Skjd * Licensed from Digital Equipment Corporation * 1827478Skjd * Copyright (c) * 1927478Skjd * Digital Equipment Corporation * 2027478Skjd * Maynard, Massachusetts * 2127478Skjd * 1985, 1986 * 2227478Skjd * All rights reserved. * 2327478Skjd * * 2427478Skjd * The Information in this software is subject to change * 2527478Skjd * without notice and should not be construed as a commitment * 2627478Skjd * by Digital Equipment Corporation. Digital makes no * 2727478Skjd * representations about the suitability of this software for * 2827478Skjd * any purpose. It is supplied "As Is" without expressed or * 2927478Skjd * implied warranty. * 3027478Skjd * * 3127478Skjd * If the Regents of the University of California or its * 3227478Skjd * licensees modify the software in a manner creating * 3327478Skjd * diriviative copyright rights, appropriate copyright * 3427478Skjd * legends may be placed on the drivative work in addition * 3527478Skjd * to that set forth above. * 3627478Skjd * * 3727478Skjd ****************************************************************/ 3827478Skjd /* --------------------------------------------------------------------- 3927478Skjd * Modification History 4027478Skjd * 4127478Skjd * 13 Feb. 84 -- rjl 4227478Skjd * 4327478Skjd * Initial version of driver. derived from IL driver. 4427478Skjd * 4527478Skjd * --------------------------------------------------------------------- 4627478Skjd */ 4727478Skjd 4827478Skjd /* 4927478Skjd * Digital Q-BUS to NI Adapter 5027478Skjd */ 5127478Skjd struct qedevice { 5227478Skjd u_short qe_sta_addr[2]; /* Station address (actually 6 */ 5327916Skarels u_short qe_rcvlist_lo; /* Receive list lo address */ 5427916Skarels u_short qe_rcvlist_hi; /* Receive list hi address */ 5527478Skjd u_short qe_xmtlist_lo; /* Transmit list lo address */ 5627478Skjd u_short qe_xmtlist_hi; /* Transmit list hi address */ 5727478Skjd u_short qe_vector; /* Interrupt vector */ 5827478Skjd u_short qe_csr; /* Command and Status Register */ 5927478Skjd }; 6027478Skjd 6127478Skjd /* 6227478Skjd * Command and status bits (csr) 6327478Skjd */ 6427478Skjd #define QE_RCV_ENABLE 0x0001 /* Receiver enable */ 6527478Skjd #define QE_RESET 0x0002 /* Software reset */ 6627478Skjd #define QE_NEX_MEM_INT 0x0004 /* Non existant mem interrupt */ 6727478Skjd #define QE_LOAD_ROM 0x0008 /* Load boot/diag from rom */ 6827478Skjd #define QE_XL_INVALID 0x0010 /* Transmit list invalid */ 6927478Skjd #define QE_RL_INVALID 0x0020 /* Receive list invalid */ 7027478Skjd #define QE_INT_ENABLE 0x0040 /* Interrupt enable */ 7127478Skjd #define QE_XMIT_INT 0x0080 /* Transmit interrupt */ 7227478Skjd #define QE_ILOOP 0x0100 /* Internal loopback */ 7327478Skjd #define QE_ELOOP 0x0200 /* External loopback */ 7427478Skjd #define QE_STIM_ENABLE 0x0400 /* Sanity timer enable */ 7527478Skjd #define QE_POWERUP 0x1000 /* Tranceiver power on */ 7627478Skjd #define QE_CARRIER 0x2000 /* Carrier detect */ 7727478Skjd #define QE_RCV_INT 0x8000 /* Receiver interrupt */ 7827478Skjd 7927478Skjd /* 8027478Skjd * Transmit and receive ring discriptor --------------------------- 8127478Skjd * 8227478Skjd * The QNA uses the flag, status1 and the valid bit as a handshake/semiphore 8327478Skjd * mechinism. 8427478Skjd * 8527478Skjd * The flag word is written on ( bits 15,15 set to 1 ) when it reads the 8627478Skjd * descriptor. If the valid bit is set it considers the address to be valid. 8727478Skjd * When it uses the buffer pointed to by the valid address it sets status word 8827478Skjd * one. 8927478Skjd */ 9027478Skjd struct qe_ring { 9127478Skjd u_short qe_flag; /* Buffer utilization flags */ 9227478Skjd u_short qe_addr_hi:6, /* Hi order bits of buffer addr */ 9327478Skjd qe_odd_begin:1, /* Odd byte begin and end (xmit)*/ 9427478Skjd qe_odd_end:1, 9527478Skjd qe_fill1:4, 9627478Skjd qe_setup:1, /* Setup packet */ 9727478Skjd qe_eomsg:1, /* End of message flag */ 9827478Skjd qe_chain:1, /* Chain address instead of buf */ 9927478Skjd qe_valid:1; /* Address field is valid */ 10027478Skjd u_short qe_addr_lo; /* Low order bits of address */ 10127478Skjd short qe_buf_len; /* Negative buffer length */ 10227478Skjd u_short qe_status1; /* Status word one */ 10327478Skjd u_short qe_status2; /* Status word two */ 10427478Skjd }; 10527478Skjd 10627478Skjd /* 10727478Skjd * Status word definations (receive) 10827478Skjd * word1 10927478Skjd */ 11027478Skjd #define QE_OVF 0x0001 /* Receiver overflow */ 11127478Skjd #define QE_CRCERR 0x0002 /* CRC error */ 11227478Skjd #define QE_FRAME 0x0004 /* Framing alignment error */ 11327478Skjd #define QE_SHORT 0x0008 /* Packet size < 10 bytes */ 11427478Skjd #define QE_RBL_HI 0x0700 /* Hi bits of receive len */ 11527478Skjd #define QE_RUNT 0x0800 /* Runt packet */ 11627478Skjd #define QE_DISCARD 0x1000 /* Discard the packet */ 11727478Skjd #define QE_ESETUP 0x2000 /* Looped back setup or eloop */ 11827478Skjd #define QE_ERROR 0x4000 /* Receiver error */ 11927478Skjd #define QE_LASTNOT 0x8000 /* Not the last in the packet */ 12027478Skjd /* word2 */ 12127478Skjd #define QE_RBL_LO 0x00ff /* Low bits of receive len */ 12227478Skjd 12327478Skjd /* 12427478Skjd * Status word definations (transmit) 12527478Skjd * word1 12627478Skjd */ 12727478Skjd #define QE_CCNT 0x00f0 /* Collision count this packet */ 12827478Skjd #define QE_FAIL 0x0100 /* Heart beat check failure */ 12927478Skjd #define QE_ABORT 0x0200 /* Transmission abort */ 13027478Skjd #define QE_STE16 0x0400 /* Sanity timer default on */ 13127478Skjd #define QE_NOCAR 0x0800 /* No carrier */ 13227478Skjd #define QE_LOSS 0x1000 /* Loss of carrier while xmit */ 13327478Skjd /* word2 */ 13427478Skjd #define QE_TDR 0x3fff /* Time domain reflectometry */ 13527478Skjd 13627478Skjd /* 13727478Skjd * General constant definations 13827478Skjd */ 13927478Skjd #define QEALLOC 0 /* Allocate an mbuf */ 14027478Skjd #define QENOALLOC 1 /* No mbuf allocation */ 14127478Skjd #define QEDEALLOC 2 /* Release an mbuf chain */ 14227478Skjd 14327478Skjd #define QE_NOTYET 0x8000 /* Descriptor not in use yet */ 14427478Skjd #define QE_INUSE 0x4000 /* Descriptor being used by QNA */ 14527478Skjd #define QE_MASK 0xc000 /* Lastnot/error/used mask */ 146