usr/src/cmd/fm/modules/sun4/cpumem-diagnosis/cmd_pageerr.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 (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25
  26 /*
  27  * Fault-handling routines for page retirement faults
  28  */
  29
  30 #include <cmd_page.h>
  31 #include <cmd.h>
  32 #include <cmd_mem.h>
  33
  34 #include <errno.h>
  35 #include <string.h>
  36 #include <fm/fmd_api.h>
  37 #include <sys/fm/protocol.h>
  38 #ifdef sun4v
  39 #include <cmd_hc_sun4v.h>
  40 #include <cmd_dimm.h>
  41 #endif
  42
  43 void
  44 cmd_page_fault(fmd_hdl_t *hdl, nvlist_t *modasru, nvlist_t *modfru,
  45     fmd_event_t *ep, uint64_t afar)
  46 {
  47         cmd_page_t *page = NULL;
  48         const char *uuid;
  49         nvlist_t *flt;
  50 #ifdef sun4v
  51         nvlist_t *nvlfru;
  52 #endif
  53
  54         page = cmd_page_lookup(afar);
  55         if (page != NULL) {
  56                 /*
  57                  * If the page has already been retired then *page
  58                  * would have been freed and recreated. Thus the
  59                  * flag would be 0x0 - check to see if the page
  60                  * is unusable (retired).
  61                  */
  62                 if (page->page_flags & CMD_MEM_F_FAULTING ||
  63                     fmd_nvl_fmri_unusable(hdl, page->page_asru_nvl)) {
  64                         /* Page already faulted, don't fault again. */
  65                         page->page_flags |= CMD_MEM_F_FAULTING;
  66                         return;
  67                 }
  68         } else {
  69                 page = cmd_page_create(hdl, modasru, afar);
  70         }
  71
  72         page->page_flags |= CMD_MEM_F_FAULTING;
  73         if (page->page_case.cc_cp == NULL)
  74                 page->page_case.cc_cp = cmd_case_create(hdl,
  75                     &page->page_header, CMD_PTR_PAGE_CASE, &uuid);
  76
  77 #ifdef sun4v
  78         nvlfru = cmd_mem2hc(hdl, modfru);
  79         flt = cmd_nvl_create_fault(hdl, "fault.memory.page", 100,
  80             page->page_asru_nvl, nvlfru, NULL);
  81         flt = cmd_fault_add_location(hdl, flt, cmd_fmri_get_unum(modfru));
  82         nvlist_free(nvlfru);
  83 #else /* sun4v */
  84         flt = cmd_nvl_create_fault(hdl, "fault.memory.page", 100,
  85             page->page_asru_nvl, modfru, NULL);
  86 #endif /* sun4v */
  87
  88         if (nvlist_add_boolean_value(flt, FM_SUSPECT_MESSAGE, B_FALSE) != 0)
  89                 fmd_hdl_abort(hdl, "failed to add no-message member to fault");
  90
  91         fmd_case_add_ereport(hdl, page->page_case.cc_cp, ep);
  92         fmd_case_add_suspect(hdl, page->page_case.cc_cp, flt);
  93         fmd_case_solve(hdl, page->page_case.cc_cp);
  94 }
  95
  96 void
  97 cmd_page_close(fmd_hdl_t *hdl, void *arg)
  98 {
  99         cmd_page_destroy(hdl, arg);
 100 }