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diff --git a/sys/sparc64/include/nexusvar.h b/sys/sparc64/include/nexusvar.h
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+/*-
+ * Copyright (c) 2001 by Thomas Moestl <tmm@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 ``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_
+
+enum nexus_ivars {
+ NEXUS_IVAR_NODE,
+ NEXUS_IVAR_NAME,
+ NEXUS_IVAR_DEVICE_TYPE,
+ NEXUS_IVAR_MODEL,
+ NEXUS_IVAR_REG,
+ NEXUS_IVAR_NREG,
+ NEXUS_IVAR_INTERRUPTS,
+ NEXUS_IVAR_NINTERRUPTS,
+ NEXUS_IVAR_BUSTAG,
+ NEXUS_IVAR_DMATAG,
+};
+
+/* XXX: these are the UPA registers and should probably go elsewhere */
+struct ofw_nexus_reg {
+ int64_t or_paddr;
+ int64_t or_len;
+};
+
+/*
+ * Simplified accessors for nexus devices
+ * XXX: These should be made specializations of generic bus accessor macros
+ * instead of having multiple implementations around.
+ */
+#define NEXUS_ACCESSOR(var, ivar, type) \
+ __BUS_ACCESSOR(nexus, var, NEXUS, ivar, type)
+
+NEXUS_ACCESSOR(node, NODE, phandle_t)
+NEXUS_ACCESSOR(name, NAME, char *)
+NEXUS_ACCESSOR(device_type, DEVICE_TYPE, char *)
+NEXUS_ACCESSOR(model, MODEL, char *)
+NEXUS_ACCESSOR(reg, REG, struct ofw_nexus_reg *)
+NEXUS_ACCESSOR(nreg, NREG, int)
+NEXUS_ACCESSOR(interrupts, INTERRUPTS, u_int *)
+NEXUS_ACCESSOR(ninterrupts, NINTERRUPTS, int)
+NEXUS_ACCESSOR(bustag, BUSTAG, bus_space_tag_t)
+NEXUS_ACCESSOR(dmatag, DMATAG, bus_dma_tag_t)
+
+#undef NEXUS_ACCESSOR
+
+#endif /* _MACHINE_NEXUSVAR_H_ */
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