186d7f5d3SJohn Marino /*- 286d7f5d3SJohn Marino * Copyright (c) 2000 Peter Wemm <peter@FreeBSD.org> 386d7f5d3SJohn Marino * Copyright (c) 2008 The DragonFly Project. 486d7f5d3SJohn Marino * All rights reserved. 586d7f5d3SJohn Marino * 686d7f5d3SJohn Marino * Redistribution and use in source and binary forms, with or without 786d7f5d3SJohn Marino * modification, are permitted provided that the following conditions 886d7f5d3SJohn Marino * are met: 986d7f5d3SJohn Marino * 1. Redistributions of source code must retain the above copyright 1086d7f5d3SJohn Marino * notice, this list of conditions and the following disclaimer. 1186d7f5d3SJohn Marino * 2. Redistributions in binary form must reproduce the above copyright 1286d7f5d3SJohn Marino * notice, this list of conditions and the following disclaimer in the 1386d7f5d3SJohn Marino * documentation and/or other materials provided with the distribution. 1486d7f5d3SJohn Marino * 1586d7f5d3SJohn Marino * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1686d7f5d3SJohn Marino * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1786d7f5d3SJohn Marino * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1886d7f5d3SJohn Marino * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1986d7f5d3SJohn Marino * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2086d7f5d3SJohn Marino * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2186d7f5d3SJohn Marino * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2286d7f5d3SJohn Marino * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2386d7f5d3SJohn Marino * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2486d7f5d3SJohn Marino * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2586d7f5d3SJohn Marino * SUCH DAMAGE. 2686d7f5d3SJohn Marino * 2786d7f5d3SJohn Marino * $FreeBSD: src/sys/i386/include/nexusvar.h,v 1.1 2000/09/28 00:37:31 peter Exp $ 2886d7f5d3SJohn Marino * $DragonFly: src/sys/platform/pc64/include/nexusvar.h,v 1.1 2008/08/29 17:07:17 dillon Exp $ 2986d7f5d3SJohn Marino */ 3086d7f5d3SJohn Marino 3186d7f5d3SJohn Marino #ifndef _MACHINE_NEXUSVAR_H_ 3286d7f5d3SJohn Marino #define _MACHINE_NEXUSVAR_H_ 3386d7f5d3SJohn Marino 3486d7f5d3SJohn Marino #if defined(_KERNEL) || defined(_KERNEL_STRUCTURES) 3586d7f5d3SJohn Marino 3686d7f5d3SJohn Marino #ifndef _SYS_TYPES_H_ 3786d7f5d3SJohn Marino #include <sys/types.h> 3886d7f5d3SJohn Marino #endif 3986d7f5d3SJohn Marino #ifndef _SYS_CONF_H_ 4086d7f5d3SJohn Marino #include <sys/bus.h> 4186d7f5d3SJohn Marino #endif 4286d7f5d3SJohn Marino 4386d7f5d3SJohn Marino enum nexus_device_ivars { 4486d7f5d3SJohn Marino NEXUS_IVAR_PCIBUS 4586d7f5d3SJohn Marino }; 4686d7f5d3SJohn Marino 4786d7f5d3SJohn Marino #define NEXUS_ACCESSOR(A, B, T) \ 4886d7f5d3SJohn Marino \ 4986d7f5d3SJohn Marino static __inline T nexus_get_ ## A(device_t dev) \ 5086d7f5d3SJohn Marino { \ 5186d7f5d3SJohn Marino uintptr_t v; \ 5286d7f5d3SJohn Marino BUS_READ_IVAR(device_get_parent(dev), dev, NEXUS_IVAR_ ## B, &v); \ 5386d7f5d3SJohn Marino return (T) v; \ 5486d7f5d3SJohn Marino } \ 5586d7f5d3SJohn Marino \ 5686d7f5d3SJohn Marino static __inline void nexus_set_ ## A(device_t dev, T t) \ 5786d7f5d3SJohn Marino { \ 5886d7f5d3SJohn Marino uintptr_t v = (uintptr_t) t; \ 5986d7f5d3SJohn Marino BUS_WRITE_IVAR(device_get_parent(dev), dev, NEXUS_IVAR_ ## B, v); \ 6086d7f5d3SJohn Marino } 6186d7f5d3SJohn Marino 6286d7f5d3SJohn Marino #ifdef _KERNEL 6386d7f5d3SJohn Marino NEXUS_ACCESSOR(pcibus, PCIBUS, u_int32_t) 6486d7f5d3SJohn Marino #endif 6586d7f5d3SJohn Marino 6686d7f5d3SJohn Marino #undef NEXUS_ACCESSOR 6786d7f5d3SJohn Marino 6886d7f5d3SJohn Marino #endif /* _KERNEL || _KERNEL_STRUCTURES */ 6986d7f5d3SJohn Marino #endif /* !_MACHINE_NEXUSVAR_H_ */ 70