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/*- * Copyright (c) 2011 Nathan Whitehorn * 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: release/9.1.0/sys/powerpc/include/rtas.h 222613 2011-06-02 14:12:37Z nwhitehorn $ */ #ifndef _MACHINE_RTAS_H_ #define _MACHINE_RTAS_H_ #include <sys/cdefs.h> #include <sys/types.h> #include <dev/ofw/openfirm.h> /* * RTAS functions are defined by 32-bit integer tokens. These vary from * system to system, and can be looked up from their standardized names * using rtas_token_lookup(). If RTAS is not available, rtas_token_lookup() * and rtas_call_method() return -1; this can be checked in advance using * rtas_exists(). Otherwise, rtas_call_method() returns one of the RTAS * status codes from the bottom of this file. */ int rtas_exists(void); int rtas_call_method(cell_t token, int nargs, int nreturns, ...); cell_t rtas_token_lookup(const char *method); /* RTAS Status Codes: see CHRP or PAPR specification */ #define RTAS_OK 0 #define RTAS_HW_ERROR -1 #define RTAS_BUSY -2 #define RTAS_PARAM_ERROR -3 #define RTAS_STATE_CHANGE -7 #define RTAS_VENDOR_BEGIN 9000 #define RTAS_EXTENDED_DELAY 9900 #define RTAS_ISOLATION_ERROR -9000 #define RTAS_VENDOR_ERROR_BEGIN -9004 #endif /* _MACHINE_RTAS_H_ */