usr/src/psm/promif/ieee1275/sun4u/prom_sunfire.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 (c) 1994-1998, by Sun Microsystems, Inc.
  24  * All rights reserved.
  25  */
  26
  27 #pragma ident   "%Z%%M% %I%     %E% SMI"
  28
  29 #include <sys/promif.h>
  30 #include <sys/promimpl.h>
  31
  32 /* SunFire only */
  33 int
  34 prom_sunfire_cpu_off(void)
  35 {
  36         cell_t ci[3];
  37
  38         /* Service name */
  39         ci[0] = p1275_ptr2cell("SUNW,Ultra-Enterprise,cpu-off");
  40         ci[1] = (cell_t)0;                      /* #argument cells */
  41         ci[2] = (cell_t)0;                      /* #result cells */
  42
  43         /*
  44          * This is an unlocked entry into the prom.
  45          *
  46          * promif_preprom(), ... will be called by the controlling
  47          * cpu.  The controlling cpu handles prom contention
  48          * while the victim is in transition.
  49          */
  50         (void) p1275_cif_handler(&ci);
  51
  52         return (0);
  53 }
  54
  55 /*
  56  * These interfaces allow the client to attach/detach board.
  57  */
  58 int
  59 prom_sunfire_attach_board(u_int board)
  60 {
  61         cell_t ci[5];
  62         int rv;
  63
  64         ci[0] = p1275_ptr2cell("SUNW,Ultra-Enterprise,add-brd"); /* name */
  65         ci[1] = (cell_t)1;                              /* #argument cells */
  66         ci[2] = (cell_t)1;                              /* #result cells */
  67         ci[3] = p1275_uint2cell(board);
  68
  69         promif_preprom();
  70         rv = p1275_cif_handler(&ci);
  71         promif_postprom();
  72
  73         if (rv != 0)
  74                 return (rv);
  75         if (p1275_cell2int(ci[4]) != 0)                 /* Res1: Catch result */
  76                 return (-1);
  77
  78         return (0);
  79 }
  80
  81 int
  82 prom_sunfire_detach_board(u_int board)
  83 {
  84         cell_t ci[5];
  85         int rv;
  86
  87         ci[0] = p1275_ptr2cell("SUNW,Ultra-Enterprise,rm-brd"); /* name */
  88         ci[1] = (cell_t)1;                              /* #argument cells */
  89         ci[2] = (cell_t)1;                              /* #result cells */
  90         ci[3] = p1275_uint2cell(board);
  91
  92         promif_preprom();
  93         rv = p1275_cif_handler(&ci);
  94         promif_postprom();
  95
  96         if (rv != 0)
  97                 return (rv);
  98         if (p1275_cell2int(ci[4]) != 0)                 /* Res1: Catch result */
  99                 return (-1);
 100
 101         return (0);
 102 }