usr/src/psm/promif/ieee1275/sun4/prom_cpuctl.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #pragma ident   "%Z%%M% %I%     %E% SMI"
  28
  29 #include <sys/promif.h>
  30 #include <sys/promimpl.h>
  31
  32 int
  33 prom_stopcpu_bycpuid(int cpuid)
  34 {
  35         cell_t ci[5];
  36
  37         ci[0] = p1275_ptr2cell("SUNW,stop-cpu-by-cpuid"); /* Service name */
  38         ci[1] = (cell_t)1;                      /* #argument cells */
  39         ci[2] = (cell_t)1;                      /* #result cells */
  40         ci[3] = p1275_int2cell(cpuid);          /* Arg1: cpuid to stop */
  41
  42         promif_preprom();
  43         (void) p1275_cif_handler(&ci);
  44         promif_postprom();
  45
  46         return (p1275_cell2int(ci[4]));
  47 }
  48
  49
  50 int
  51 prom_startcpu(pnode_t node, caddr_t pc, int arg)
  52 {
  53         cell_t ci[6];
  54
  55         ci[0] = p1275_ptr2cell("SUNW,start-cpu");       /* Service name */
  56         ci[1] = (cell_t)3;                      /* #argument cells */
  57         ci[2] = (cell_t)0;                      /* #result cells */
  58         ci[3] = p1275_dnode2cell(node);         /* Arg1: nodeid to start */
  59         ci[4] = p1275_ptr2cell(pc);             /* Arg2: pc */
  60         ci[5] = p1275_int2cell(arg);            /* Arg3: cpuid */
  61
  62         promif_preprom();
  63         (void) p1275_cif_handler(&ci);
  64         promif_postprom();
  65
  66         return (0);
  67 }
  68
  69 int
  70 prom_startcpu_bycpuid(int cpuid, caddr_t pc, int arg)
  71 {
  72         cell_t ci[7];
  73
  74         ci[0] = p1275_ptr2cell("SUNW,start-cpu-by-cpuid");  /* Service name */
  75         ci[1] = (cell_t)3;                      /* #argument cells */
  76         ci[2] = (cell_t)1;                      /* #result cells */
  77         ci[3] = p1275_int2cell(cpuid);          /* Arg1: cpuid to start */
  78         ci[4] = p1275_ptr2cell(pc);             /* Arg2: pc */
  79         ci[5] = p1275_int2cell(arg);            /* Arg3: cpuid */
  80
  81         promif_preprom();
  82         (void) p1275_cif_handler(&ci);
  83         promif_postprom();
  84
  85         return (p1275_cell2int(ci[6]));
  86 }
  87
  88 int
  89 prom_wakeupcpu(pnode_t node)
  90 {
  91         cell_t ci[5];
  92         int     rv;
  93
  94         ci[0] = p1275_ptr2cell("SUNW,wakeup-cpu");      /* Service name */
  95         ci[1] = (cell_t)1;                      /* #argument cells */
  96         ci[2] = (cell_t)1;                      /* #result cells */
  97         ci[3] = p1275_dnode2cell(node);         /* Arg1: nodeid to wakeup */
  98
  99         promif_preprom();
 100         rv = p1275_cif_handler(&ci);
 101         promif_postprom();
 102
 103         if (rv != 0)
 104                 return (rv);
 105         else
 106                 return (p1275_cell2int(ci[4])); /* Res1: Catch result */
 107 }
 108
 109 int
 110 prom_cpuoff(pnode_t node)
 111 {
 112         cell_t ci[5];
 113         int rv;
 114
 115         ci[0] = p1275_ptr2cell("SUNW,park-cpu");
 116         ci[1] = (cell_t)1;                      /* #argument cells */
 117         ci[2] = (cell_t)1;                      /* #return cells */
 118         ci[3] = p1275_dnode2cell(node);
 119
 120         promif_preprom();
 121         rv = p1275_cif_handler(&ci);
 122         promif_postprom();
 123
 124         if (rv != 0)
 125                 return (-1);
 126
 127         return (p1275_cell2int(ci[4]));
 128 }
 129
 130 int
 131 prom_hotaddcpu(int cpuid)
 132 {
 133         cell_t ci[5];
 134
 135         ci[0] = p1275_ptr2cell("SUNW,hotadd-cpu-by-cpuid"); /* Service name */
 136         ci[1] = (cell_t)1;                      /* #argument cells */
 137         ci[2] = (cell_t)1;                      /* #result cells */
 138         ci[3] = p1275_int2cell(cpuid);          /* Arg1: cpuid to start */
 139
 140         promif_preprom();
 141         (void) p1275_cif_handler(&ci);
 142         promif_postprom();
 143
 144         return (p1275_cell2int(ci[4]));
 145 }
 146
 147 int
 148 prom_hotremovecpu(int cpuid)
 149 {
 150         cell_t ci[5];
 151
 152         ci[0] = p1275_ptr2cell("SUNW,hotremove-cpu-by-cpuid"); /* Service */
 153         ci[1] = (cell_t)1;                      /* #argument cells */
 154         ci[2] = (cell_t)1;                      /* #result cells */
 155         ci[3] = p1275_int2cell(cpuid);          /* Arg1: cpuid to start */
 156
 157         promif_preprom();
 158         (void) p1275_cif_handler(&ci);
 159         promif_postprom();
 160
 161         return (p1275_cell2int(ci[4]));
 162 }