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/*-
* Copyright (c) 1998 Doug Rabson
* 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, 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.
*
* $FreeBSD$
*/
#ifndef _MACHINE_CHIPSET_H_
#define _MACHINE_CHIPSET_H_
typedef u_int64_t alpha_chipset_read_hae_t(void);
typedef void alpha_chipset_write_hae_t(u_int64_t);
struct sgmap;
typedef struct alpha_chipset {
/*
* Access the HAE register
*/
alpha_chipset_read_hae_t* read_hae;
alpha_chipset_write_hae_t* write_hae;
/*
* Scatter-Gather map for ISA dma.
*/
struct sgmap* sgmap;
/*
* Scatter-Gather map for PCI dma.
*/
struct sgmap* pci_sgmap;
/*
* direct map
*/
long dmsize;
long dmoffset;
} alpha_chipset_t;
extern alpha_chipset_t chipset;
/*
* Exported sysctl variables describing the PCI chipset.
*/
extern char chipset_type[10];
extern int chipset_bwx;
extern long chipset_ports;
extern long chipset_memory;
extern long chipset_dense;
extern long chipset_hae_mask;
#endif /* !_MACHINE_CHIPSET_H_ */
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