xref: /titanic_52/usr/src/psm/promif/ieee1275/sun4u/prom_sunfire.c (revision 7c478bd95313f5f23a4c958a745db2134aa03244)

/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright (c) 1994-1998, by Sun Microsystems, Inc.
 * All rights reserved.
 */

#pragma ident	"%Z%%M%	%I%	%E% SMI"

#include <sys/promif.h>
#include <sys/promimpl.h>

/* SunFire only */
int
prom_sunfire_cpu_off(void)
{
	cell_t ci[3];

	/* Service name */
	ci[0] = p1275_ptr2cell("SUNW,Ultra-Enterprise,cpu-off");
	ci[1] = (cell_t)0;			/* #argument cells */
	ci[2] = (cell_t)0;			/* #result cells */

	/*
	 * This is an unlocked entry into the prom.
	 *
	 * promif_preprom(), ... will be called by the controlling
	 * cpu.  The controlling cpu handles prom contention
	 * while the victim is in transition.
	 */
	(void) p1275_cif_handler(&ci);

	return (0);
}

/*
 * These interfaces allow the client to attach/detach board.
 */
int
prom_sunfire_attach_board(u_int board)
{
	cell_t ci[5];
	int rv;

	ci[0] = p1275_ptr2cell("SUNW,Ultra-Enterprise,add-brd"); /* name */
	ci[1] = (cell_t)1;				/* #argument cells */
	ci[2] = (cell_t)1;				/* #result cells */
	ci[3] = p1275_uint2cell(board);

	promif_preprom();
	rv = p1275_cif_handler(&ci);
	promif_postprom();

	if (rv != 0)
		return (rv);
	if (p1275_cell2int(ci[4]) != 0)			/* Res1: Catch result */
		return (-1);

	return (0);
}

int
prom_sunfire_detach_board(u_int board)
{
	cell_t ci[5];
	int rv;

	ci[0] = p1275_ptr2cell("SUNW,Ultra-Enterprise,rm-brd");	/* name */
	ci[1] = (cell_t)1;				/* #argument cells */
	ci[2] = (cell_t)1;				/* #result cells */
	ci[3] = p1275_uint2cell(board);

	promif_preprom();
	rv = p1275_cif_handler(&ci);
	promif_postprom();

	if (rv != 0)
		return (rv);
	if (p1275_cell2int(ci[4]) != 0)			/* Res1: Catch result */
		return (-1);

	return (0);
}