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
43void
44cmd_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
96void
97cmd_page_close(fmd_hdl_t *hdl, void *arg)
98{
99	cmd_page_destroy(hdl, arg);
100}
101