arch/ia64/sn/io/sn2/ml_SN_init.c

   1 /* $Id$
   2  *
   3  * This file is subject to the terms and conditions of the GNU General Public
   4  * License.  See the file "COPYING" in the main directory of this archive
   5  * for more details.
   6  *
   7  * Copyright (C) 1992 - 1997, 2000-2003 Silicon Graphics, Inc. All rights reserved.
   8  */
   9
  10 #include <linux/types.h>
  11 #include <linux/slab.h>
  12 #include <linux/bootmem.h>
  13 #include <asm/sn/sgi.h>
  14 #include <asm/sn/io.h>
  15 #include <asm/sn/iograph.h>
  16 #include <asm/sn/invent.h>
  17 #include <asm/sn/hcl.h>
  18 #include <asm/sn/labelcl.h>
  19 #include <asm/sn/sn_private.h>
  20 #include <asm/sn/klconfig.h>
  21 #include <asm/sn/sn_cpuid.h>
  22
  23 extern cpuid_t master_procid;
  24 int             maxcpus;
  25
  26 extern xwidgetnum_t hub_widget_id(nasid_t);
  27
  28 /* XXX - Move the meat of this to intr.c ? */
  29 /*
  30  * Set up the platform-dependent fields in the nodepda.
  31  */
  32 void init_platform_nodepda(nodepda_t *npda, cnodeid_t node)
  33 {
  34         hubinfo_t hubinfo;
  35
  36         extern void router_map_init(nodepda_t *);
  37         extern void router_queue_init(nodepda_t *,cnodeid_t);
  38         extern void intr_init_vecblk(nodepda_t *, cnodeid_t, int);
  39
  40         /* Allocate per-node platform-dependent data */
  41         hubinfo = (hubinfo_t)alloc_bootmem_node(NODE_DATA(node), sizeof(struct hubinfo_s));
  42
  43         npda->pdinfo = (void *)hubinfo;
  44         hubinfo->h_nodepda = npda;
  45         hubinfo->h_cnodeid = node;
  46
  47         spin_lock_init(&hubinfo->h_crblock);
  48
  49         npda->xbow_peer = INVALID_NASID;
  50
  51         /*
  52          * Initialize the linked list of
  53          * router info pointers to the dependent routers
  54          */
  55         npda->npda_rip_first = NULL;
  56
  57         /*
  58          * npda_rip_last always points to the place
  59          * where the next element is to be inserted
  60          * into the list
  61          */
  62         npda->npda_rip_last = &npda->npda_rip_first;
  63         npda->geoid.any.type = GEO_TYPE_INVALID;
  64
  65         init_MUTEX_LOCKED(&npda->xbow_sema); /* init it locked? */
  66 }
  67
  68 void
  69 init_platform_hubinfo(nodepda_t **nodepdaindr) {
  70         cnodeid_t       cnode;
  71         hubinfo_t hubinfo;
  72         nodepda_t *npda;
  73
  74         for (cnode = 0; cnode < numionodes; cnode++) {
  75                 npda = nodepdaindr[cnode];
  76                 hubinfo = (hubinfo_t)npda->pdinfo;
  77                 hubinfo->h_nasid = COMPACT_TO_NASID_NODEID(cnode);
  78                 /* For TIO the following returns -1 */
  79                 hubinfo->h_widgetid = hub_widget_id(hubinfo->h_nasid);
  80         }
  81 }
  82
  83 void
  84 update_node_information(cnodeid_t cnodeid)
  85 {
  86         nodepda_t *npda = NODEPDA(cnodeid);
  87         nodepda_router_info_t *npda_rip;
  88
  89         /* Go through the list of router info
  90          * structures and copy some frequently
  91          * accessed info from the info hanging
  92          * off the corresponding router vertices
  93          */
  94         npda_rip = npda->npda_rip_first;
  95         while(npda_rip) {
  96                 if (npda_rip->router_infop) {
  97                         npda_rip->router_portmask =
  98                                 npda_rip->router_infop->ri_portmask;
  99                         npda_rip->router_slot =
 100                                 npda_rip->router_infop->ri_slotnum;
 101                 } else {
 102                         /* No router, no ports. */
 103                         npda_rip->router_portmask = 0;
 104                 }
 105                 npda_rip = npda_rip->router_next;
 106         }
 107 }