freebsd-skq/sys/i386/include/legacyvar.h

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/*-
* Copyright (c) 2000 Peter Wemm <peter@FreeBSD.org>
* 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_NEXUSVAR_H_
#define _MACHINE_NEXUSVAR_H_ 1
enum nexus_device_ivars {
NEXUS_IVAR_PCIBUS
};
#define NEXUS_ACCESSOR(A, B, T) \
\
static __inline T nexus_get_ ## A(device_t dev) \
{ \
uintptr_t v; \
BUS_READ_IVAR(device_get_parent(dev), dev, NEXUS_IVAR_ ## B, &v); \
return (T) v; \
} \
\
static __inline void nexus_set_ ## A(device_t dev, T t) \
{ \
uintptr_t v = (uintptr_t) t; \
BUS_WRITE_IVAR(device_get_parent(dev), dev, NEXUS_IVAR_ ## B, v); \
}
NEXUS_ACCESSOR(pcibus, PCIBUS, u_int32_t)
#undef NEXUS_ACCESSOR
#endif /* !_MACHINE_NEXUSVAR_H_ */