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
cmd_page_fault(fmd_hdl_t * hdl,nvlist_t * modasru,nvlist_t * modfru,fmd_event_t * ep,uint64_t afar)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
cmd_page_close(fmd_hdl_t * hdl,void * arg)97 cmd_page_close(fmd_hdl_t *hdl, void *arg)
98 {
99 	cmd_page_destroy(hdl, arg);
100 }
101