usr/src/sys/vax/vax/ioa.h

/*
 * @(#)ioa.h    7.2 (Berkeley) %G%
 */

/****************************************************************
 *                                                              *
 *        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.                                   *
 *                                                              *
 ****************************************************************/

#if VAX8600
#define MAXNIOA         4
#define NIOA8600        2
#define IOASIZE         0x2000000
#define IOAMAPSIZ       512             /* Map one page to get at SBIA regs */
#define IOA8600(i)      ((caddr_t)(0x20080000+IOASIZE*i))

#ifndef LOCORE
struct  sbia_regs
{
        int sbi_cfg;
        int sbi_csr;
        int sbi_errsum;
        int sbi_dctl;
        int sbi_dmaica;
        int sbi_dmaiid;
        int sbi_dmaaca;
        int sbi_dmaaid;
        int sbi_dmabcs;
        int sbi_dmabid;
        int sbi_dmaccs;
        int sbi_dmacid;
        int sbi_silo;
        int sbi_error;
        int sbi_timo;
        int sbi_fltsts;
        int sbi_silcmp;
        int sbi_maint;
        int sbi_unjam;
        int sbi_qclr;
        int sbi_unused[12];
        int sbi_iv10;
        int sbi_iv11;
        int sbi_iv12;
        int sbi_iv13;
        int sbi_iv14;
        int sbi_iv15;
        int sbi_iv16;
        int sbi_iv17;
        int sbi_iv18;
        int sbi_iv19;
        int sbi_iv1a;
        int sbi_iv1b;
        int sbi_iv1c;
        int sbi_iv1d;
        int sbi_iv1e;
};
struct  ioa {
        union ioacsr {
                long    ioa_csr;
                u_char  ioa_type;
        } ioacsr;
        long    ioa_pad[IOAMAPSIZ / sizeof (long) - 1];
};
#ifdef  KERNEL
struct ioa ioa[MAXNIOA];
#endif  KERNEL
#endif  LOCORE

#define IOA_TYPMSK 0xf0
#define IOA_SBIA        0x10

#endif VAX8600