prom_cpuctl.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 1994-2000, 2002 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/promif.h>
#include <sys/promimpl.h>
int
prom_stopcpu_bycpuid(int cpuid)
{
cell_t ci[5];
ci[0] = p1275_ptr2cell("SUNW,stop-cpu-by-cpuid"); /* Service name */
ci[1] = (cell_t)1; /* #argument cells */
ci[2] = (cell_t)1; /* #result cells */
ci[3] = p1275_int2cell(cpuid); /* Arg1: cpuid to stop */
promif_preprom();
(void) p1275_cif_handler(&ci);
promif_postprom();
return (p1275_cell2int(ci[4]));
}
int
prom_startcpu(dnode_t node, caddr_t pc, int arg)
{
cell_t ci[6];
ci[0] = p1275_ptr2cell("SUNW,start-cpu"); /* Service name */
ci[1] = (cell_t)3; /* #argument cells */
ci[2] = (cell_t)0; /* #result cells */
ci[3] = p1275_dnode2cell(node); /* Arg1: nodeid to start */
ci[4] = p1275_ptr2cell(pc); /* Arg2: pc */
ci[5] = p1275_int2cell(arg); /* Arg3: cpuid */
promif_preprom();
(void) p1275_cif_handler(&ci);
promif_postprom();
return (0);
}
int
prom_startcpu_bycpuid(int cpuid, caddr_t pc, int arg)
{
cell_t ci[7];
ci[0] = p1275_ptr2cell("SUNW,start-cpu-by-cpuid"); /* Service name */
ci[1] = (cell_t)3; /* #argument cells */
ci[2] = (cell_t)1; /* #result cells */
ci[3] = p1275_int2cell(cpuid); /* Arg1: cpuid to start */
ci[4] = p1275_ptr2cell(pc); /* Arg2: pc */
ci[5] = p1275_int2cell(arg); /* Arg3: cpuid */
promif_preprom();
(void) p1275_cif_handler(&ci);
promif_postprom();
return (p1275_cell2int(ci[6]));
}
int
prom_wakeupcpu(dnode_t node)
{
cell_t ci[5];
int rv;
ci[0] = p1275_ptr2cell("SUNW,wakeup-cpu"); /* Service name */
ci[1] = (cell_t)1; /* #argument cells */
ci[2] = (cell_t)1; /* #result cells */
ci[3] = p1275_dnode2cell(node); /* Arg1: nodeid to wakeup */
promif_preprom();
rv = p1275_cif_handler(&ci);
promif_postprom();
if (rv != 0)
return (rv);
else
return (p1275_cell2int(ci[4])); /* Res1: Catch result */
}
int
prom_cpuoff(dnode_t node)
{
cell_t ci[5];
int rv;
ci[0] = p1275_ptr2cell("SUNW,park-cpu");
ci[1] = (cell_t)1; /* #argument cells */
ci[2] = (cell_t)1; /* #return cells */
ci[3] = p1275_dnode2cell(node);
promif_preprom();
rv = p1275_cif_handler(&ci);
promif_postprom();
if (rv != 0)
return (-1);
return (p1275_cell2int(ci[4]));
}
int
prom_hotaddcpu(int cpuid)
{
cell_t ci[5];
ci[0] = p1275_ptr2cell("SUNW,hotadd-cpu-by-cpuid"); /* Service name */
ci[1] = (cell_t)1; /* #argument cells */
ci[2] = (cell_t)1; /* #result cells */
ci[3] = p1275_int2cell(cpuid); /* Arg1: cpuid to start */
promif_preprom();
(void) p1275_cif_handler(&ci);
promif_postprom();
return (p1275_cell2int(ci[4]));
}
int
prom_hotremovecpu(int cpuid)
{
cell_t ci[5];
ci[0] = p1275_ptr2cell("SUNW,hotremove-cpu-by-cpuid"); /* Service */
ci[1] = (cell_t)1; /* #argument cells */
ci[2] = (cell_t)1; /* #result cells */
ci[3] = p1275_int2cell(cpuid); /* Arg1: cpuid to start */
promif_preprom();
(void) p1275_cif_handler(&ci);
promif_postprom();
return (p1275_cell2int(ci[4]));
}