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bus_private.h revision 1.1.2.2 
      1  1.1.2.2  tron /*	$NetBSD: bus_private.h,v 1.1.2.2 2005/04/21 18:43:01 tron Exp $	*/
      2  1.1.2.2  tron 
      3  1.1.2.2  tron /*-
      4  1.1.2.2  tron  * Copyright (c)2005 YAMAMOTO Takashi,
      5  1.1.2.2  tron  * All rights reserved.
      6  1.1.2.2  tron  *
      7  1.1.2.2  tron  * Redistribution and use in source and binary forms, with or without
      8  1.1.2.2  tron  * modification, are permitted provided that the following conditions
      9  1.1.2.2  tron  * are met:
     10  1.1.2.2  tron  * 1. Redistributions of source code must retain the above copyright
     11  1.1.2.2  tron  *    notice, this list of conditions and the following disclaimer.
     12  1.1.2.2  tron  * 2. Redistributions in binary form must reproduce the above copyright
     13  1.1.2.2  tron  *    notice, this list of conditions and the following disclaimer in the
     14  1.1.2.2  tron  *    documentation and/or other materials provided with the distribution.
     15  1.1.2.2  tron  *
     16  1.1.2.2  tron  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     17  1.1.2.2  tron  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18  1.1.2.2  tron  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     19  1.1.2.2  tron  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     20  1.1.2.2  tron  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     21  1.1.2.2  tron  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     22  1.1.2.2  tron  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  1.1.2.2  tron  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     24  1.1.2.2  tron  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  1.1.2.2  tron  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  1.1.2.2  tron  * SUCH DAMAGE.
     27  1.1.2.2  tron  */
     28  1.1.2.2  tron 
     29  1.1.2.2  tron #include <uvm/uvm_extern.h>
     30  1.1.2.2  tron 
     31  1.1.2.2  tron #define	_BUS_PHYS_TO_BUS(pa)	((bus_addr_t)xpmap_ptom(pa))
     32  1.1.2.2  tron #define	_BUS_VIRT_TO_BUS(pm, va) _bus_virt_to_bus((pm), (va))
     33  1.1.2.2  tron 
     34  1.1.2.2  tron static __inline bus_addr_t _bus_virt_to_bus(struct pmap *, vaddr_t);
     35  1.1.2.2  tron 
     36  1.1.2.2  tron static __inline bus_addr_t
     37  1.1.2.2  tron _bus_virt_to_bus(struct pmap *pm, vaddr_t va)
     38  1.1.2.2  tron {
     39  1.1.2.2  tron 	bus_addr_t ba;
     40  1.1.2.2  tron 
     41  1.1.2.2  tron 	if (!pmap_extract_ma(pm, va, &ba)) {
     42  1.1.2.2  tron 		panic("_bus_virt_to_bus");
     43  1.1.2.2  tron 	}
     44  1.1.2.2  tron 
     45  1.1.2.2  tron 	return ba;
     46  1.1.2.2  tron }
     47  1.1.2.2  tron 
     48  1.1.2.2  tron #include <x86/bus_private.h>
     49