text: /* $FreeBSD: src/sys/alpha/tlsb/dwlpxvar.h,v 1.1 2000/03/18 07:30:06 mjacob Exp $ */
  /*
   * Copyright (c) 2000 by Matthew Jacob
   * NASA AMES Research Center.
   * All rights reserved.
   *
   * 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 immediately at the beginning of the file, without modification,
   *    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.
   *
   * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
   */
  
  
  #define	DWLPX_NONE	0
  #define	DWLPX_SG32K	1
  #define	DWLPX_SG64K	2
  #define	DWLPX_SG128K	3
  
  /*
   * Each DWLPX supports up to 15 devices, 12 of which are PCI slots.
   *
   * Since the STD I/O modules in slots 12-14 are really a PCI-EISA
   * bridge, we'll punt on those for the moment.
   */
  #define	DWLPX_MAXDEV	12
  
  /*
   * There are 5 possible slots that can have I/O boards, and for each
   * one there are 4 possible hoses. To cover them all, we'd have to
   * reserve 5 bits of selector out our current 32 bit cookie we use
   * for primary PCI address spaces. It turns out that we *just* have
   * enough bits for this (see drawing in dwlpxreg.h)
   */
  
  #define	DWLPX_NIONODE	5
  #define	DWLPX_NHOSE	4
  
  /*
   * Interrupt Cookie for DWLPX vectors.
   *
   * Bits 0..3	PCI Slot (0..11)
   * Bits 4..7	I/O Hose (0..3)
   * Bits 8..11	I/O Node (0..4)
   * Bit	15	Constant 1
   */
  #define	DWLPX_VEC_MARK	(1<<15)
  #define	DWLPX_MVEC(ionode, hose, pcislot)	\
  	(DWLPX_VEC_MARK | (ionode << 8) | (hose << 4) | (pcislot))
  
  #define	DWLPX_MVEC_IONODE(cookie)	\
  	((((u_int64_t)(cookie)) >> 8) & 0xf)
  #define	DWLPX_MVEC_HOSE(cookie)	\
  	((((u_int64_t)(cookie)) >> 4) & 0xf)
  #define	DWLPX_MVEC_PCISLOT(cookie)	\
  	(((u_int64_t)(cookie)) & 0xf)
  
  /*
   * DWLPX Error Interrupt
   */
  #define	DWLPX_VEC_EMARK	(1<<14)
  #define	DWLPX_ERRVEC(ionode, hose)	\
  	(DWLPX_VEC_EMARK | (ionode << 8) | (hose << 4))
  
  /*
   * Default values to put into DWLPX IMASK register(s)
   */
  #define	DWLPX_IMASK_DFLT	\
  	(1 << 24) |	/* IPL 17 for error interrupts */ \
  	(1 << 17) |	/* IPL 14 for device interrupts */ \
  	(1 << 16)	/* Enable Error Interrupts */
  
  #define	DWLPX_BASE(node, hose)					\
  	    ((((unsigned long)(node - 4))	<< 36) |	\
  	     (((unsigned long)(hose))		<< 34) |	\
  	     (1LL				<< 39))
  