1222613Snwhitehorn/*- 2222613Snwhitehorn * Copyright (c) 2011 Nathan Whitehorn 3222613Snwhitehorn * All rights reserved. 4222613Snwhitehorn * 5222613Snwhitehorn * Redistribution and use in source and binary forms, with or without 6222613Snwhitehorn * modification, are permitted provided that the following conditions 7222613Snwhitehorn * are met: 8222613Snwhitehorn * 1. Redistributions of source code must retain the above copyright 9222613Snwhitehorn * notice, this list of conditions and the following disclaimer. 10222613Snwhitehorn * 2. Redistributions in binary form must reproduce the above copyright 11222613Snwhitehorn * notice, this list of conditions and the following disclaimer in the 12222613Snwhitehorn * documentation and/or other materials provided with the distribution. 13222613Snwhitehorn * 14222613Snwhitehorn * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15222613Snwhitehorn * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16222613Snwhitehorn * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17222613Snwhitehorn * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18222613Snwhitehorn * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19222613Snwhitehorn * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20222613Snwhitehorn * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21222613Snwhitehorn * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22222613Snwhitehorn * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23222613Snwhitehorn * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24222613Snwhitehorn * SUCH DAMAGE. 25222613Snwhitehorn * 26222613Snwhitehorn * $FreeBSD$ 27222613Snwhitehorn */ 28222613Snwhitehorn 29222613Snwhitehorn#ifndef _MACHINE_RTAS_H_ 30222613Snwhitehorn#define _MACHINE_RTAS_H_ 31222613Snwhitehorn 32222613Snwhitehorn#include <sys/cdefs.h> 33222613Snwhitehorn#include <sys/types.h> 34222613Snwhitehorn#include <dev/ofw/openfirm.h> 35222613Snwhitehorn 36222613Snwhitehorn/* 37222613Snwhitehorn * RTAS functions are defined by 32-bit integer tokens. These vary from 38222613Snwhitehorn * system to system, and can be looked up from their standardized names 39222613Snwhitehorn * using rtas_token_lookup(). If RTAS is not available, rtas_token_lookup() 40222613Snwhitehorn * and rtas_call_method() return -1; this can be checked in advance using 41222613Snwhitehorn * rtas_exists(). Otherwise, rtas_call_method() returns one of the RTAS 42222613Snwhitehorn * status codes from the bottom of this file. 43222613Snwhitehorn */ 44222613Snwhitehorn 45222613Snwhitehornint rtas_exists(void); 46222613Snwhitehornint rtas_call_method(cell_t token, int nargs, int nreturns, ...); 47222613Snwhitehorncell_t rtas_token_lookup(const char *method); 48222613Snwhitehorn 49222613Snwhitehorn/* RTAS Status Codes: see CHRP or PAPR specification */ 50222613Snwhitehorn#define RTAS_OK 0 51222613Snwhitehorn#define RTAS_HW_ERROR -1 52222613Snwhitehorn#define RTAS_BUSY -2 53222613Snwhitehorn#define RTAS_PARAM_ERROR -3 54222613Snwhitehorn#define RTAS_STATE_CHANGE -7 55222613Snwhitehorn#define RTAS_VENDOR_BEGIN 9000 56222613Snwhitehorn#define RTAS_EXTENDED_DELAY 9900 57222613Snwhitehorn#define RTAS_ISOLATION_ERROR -9000 58222613Snwhitehorn#define RTAS_VENDOR_ERROR_BEGIN -9004 59222613Snwhitehorn 60222613Snwhitehorn#endif /* _MACHINE_RTAS_H_ */ 61222613Snwhitehorn 62