xref: /illumos-gate/usr/src/cmd/fm/modules/common/cpumem-retire/cma_main.c (revision f03fb72c9f13560757b95b26631635b5d2a6d6c5)
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 /*
23  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #include <cma.h>
28 
29 #include <unistd.h>
30 #include <fcntl.h>
31 #include <strings.h>
32 #include <errno.h>
33 #include <time.h>
34 #include <fm/fmd_api.h>
35 #include <sys/fm/protocol.h>
36 #include <sys/systeminfo.h>
37 #include <sys/utsname.h>
38 
39 #ifdef sun4v
40 #include <sys/fm/ldom.h>
41 
42 static fmd_hdl_t *init_hdl;
43 ldom_hdl_t *cma_lhp;
44 #endif
45 
46 #ifdef i386
47 boolean_t cma_is_native;
48 #endif
49 
50 extern const char *fmd_fmri_get_platform();
51 
52 cma_t cma;
53 
54 cma_stats_t cma_stats = {
55 	{ "cpu_flts", FMD_TYPE_UINT64, "cpu faults resolved" },
56 	{ "cpu_repairs", FMD_TYPE_UINT64, "cpu faults repaired" },
57 	{ "cpu_fails", FMD_TYPE_UINT64, "cpu faults unresolveable" },
58 	{ "cpu_blfails", FMD_TYPE_UINT64, "failed cpu blacklists" },
59 	{ "cpu_supp", FMD_TYPE_UINT64, "cpu offlines suppressed" },
60 	{ "cpu_blsupp", FMD_TYPE_UINT64, "cpu blacklists suppressed" },
61 	{ "page_flts", FMD_TYPE_UINT64, "page faults resolved" },
62 	{ "page_repairs", FMD_TYPE_UINT64, "page faults repaired" },
63 	{ "page_fails", FMD_TYPE_UINT64, "page faults unresolveable" },
64 	{ "page_supp", FMD_TYPE_UINT64, "page retires suppressed" },
65 	{ "page_nonent", FMD_TYPE_UINT64, "retires for non-existent fmris" },
66 	{ "bad_flts", FMD_TYPE_UINT64, "invalid fault events received" },
67 	{ "nop_flts", FMD_TYPE_UINT64, "inapplicable fault events received" },
68 	{ "auto_flts", FMD_TYPE_UINT64, "auto-close faults received" }
69 };
70 
71 typedef struct cma_subscriber {
72 	const char *subr_class;
73 	const char *subr_sname;
74 	uint_t subr_svers;
75 	int (*subr_func)(fmd_hdl_t *, nvlist_t *, nvlist_t *, const char *,
76 	    boolean_t);
77 } cma_subscriber_t;
78 
79 static const cma_subscriber_t cma_subrs[] = {
80 #if defined(i386)
81 	/*
82 	 * On x86, the ASRUs are expected to be in hc scheme.  When
83 	 * cpumem-retire wants to retire a cpu or mem page, it calls the
84 	 * methods registered in the topo node to do that.  The topo
85 	 * enumerator, which necessarily knows all the config info that
86 	 * we'd ever need in deciding what/how to retire etc.  This takes
87 	 * away much of that complexity from the agent into the entity
88 	 * that knows all config/topo information.
89 	 */
90 	{ "fault.memory.page", FM_FMRI_SCHEME_HC, FM_HC_SCHEME_VERSION,
91 	    cma_page_retire },
92 	{ "fault.memory.page_sb", FM_FMRI_SCHEME_HC, FM_HC_SCHEME_VERSION,
93 	    cma_page_retire },
94 	{ "fault.memory.page_ck", FM_FMRI_SCHEME_HC, FM_HC_SCHEME_VERSION,
95 	    cma_page_retire },
96 	{ "fault.memory.page_ue", FM_FMRI_SCHEME_HC, FM_HC_SCHEME_VERSION,
97 	    cma_page_retire },
98 	{ "fault.memory.generic-x86.page_ce", FM_FMRI_SCHEME_HC,
99 	    FM_HC_SCHEME_VERSION, cma_page_retire },
100 	{ "fault.memory.generic-x86.page_ue", FM_FMRI_SCHEME_HC,
101 	    FM_HC_SCHEME_VERSION, cma_page_retire },
102 	{ "fault.memory.intel.page_ce", FM_FMRI_SCHEME_HC,
103 	    FM_HC_SCHEME_VERSION, cma_page_retire },
104 	{ "fault.memory.intel.page_ue", FM_FMRI_SCHEME_HC,
105 	    FM_HC_SCHEME_VERSION, cma_page_retire },
106 	{ "fault.memory.dimm", FM_FMRI_SCHEME_HC, FM_HC_SCHEME_VERSION,
107 	    NULL },
108 	{ "fault.memory.dimm_sb", FM_FMRI_SCHEME_HC, FM_HC_SCHEME_VERSION,
109 	    NULL },
110 	{ "fault.memory.dimm_ck", FM_FMRI_SCHEME_HC, FM_HC_SCHEME_VERSION,
111 	    NULL },
112 	{ "fault.memory.dimm_ue", FM_FMRI_SCHEME_HC, FM_HC_SCHEME_VERSION,
113 	    NULL },
114 	{ "fault.memory.generic-x86.dimm_ce", FM_FMRI_SCHEME_HC,
115 	    FM_HC_SCHEME_VERSION, NULL },
116 	{ "fault.memory.generic-x86.dimm_ue", FM_FMRI_SCHEME_HC,
117 	    FM_HC_SCHEME_VERSION, NULL },
118 	{ "fault.memory.intel.dimm_ce", FM_FMRI_SCHEME_HC,
119 	    FM_HC_SCHEME_VERSION, NULL },
120 	{ "fault.memory.intel.dimm_ue", FM_FMRI_SCHEME_HC,
121 	    FM_HC_SCHEME_VERSION, NULL },
122 	{ "fault.memory.intel.fbd.*", FM_FMRI_SCHEME_HC,
123 	    FM_HC_SCHEME_VERSION, NULL },
124 	{ "fault.memory.dimm_testfail", FM_FMRI_SCHEME_HC,
125 	    FM_HC_SCHEME_VERSION, NULL },
126 	{ "fault.memory.bank", FM_FMRI_SCHEME_HC, FM_HC_SCHEME_VERSION,
127 	    NULL },
128 	{ "fault.memory.datapath", FM_FMRI_SCHEME_HC, FM_HC_SCHEME_VERSION,
129 	    NULL },
130 	{ "fault.cpu.intel.quickpath.*", FM_FMRI_SCHEME_HC,
131 	    FM_HC_SCHEME_VERSION, NULL },
132 	{ "fault.cpu.generic-x86.mc", FM_FMRI_SCHEME_HC,
133 	    FM_HC_SCHEME_VERSION, NULL },
134 	{ "fault.cpu.intel.dma", FM_FMRI_SCHEME_HC,
135 	    FM_HC_SCHEME_VERSION, NULL },
136 	{ "fault.cpu.intel.dma", FM_FMRI_SCHEME_CPU,
137 	    FM_CPU_SCHEME_VERSION, NULL },
138 
139 	/*
140 	 * The ASRU for cpu faults are in cpu scheme on native and in hc
141 	 * scheme on xpv.  So each cpu fault class needs to be listed twice.
142 	 */
143 
144 	/*
145 	 * The following faults do NOT retire a cpu thread,
146 	 * and therefore must be intercepted before
147 	 * the default "fault.cpu.*" dispatch to cma_cpu_hc_retire.
148 	 */
149 	{ "fault.cpu.amd.dramchannel", FM_FMRI_SCHEME_HC, FM_HC_SCHEME_VERSION,
150 	    NULL },
151 	{ "fault.cpu.amd.dramchannel", FM_FMRI_SCHEME_CPU,
152 	    FM_CPU_SCHEME_VERSION, NULL },
153 	{ "fault.cpu.generic-x86.bus_interconnect_memory", FM_FMRI_SCHEME_HC,
154 	    FM_HC_SCHEME_VERSION, NULL },
155 	{ "fault.cpu.generic-x86.bus_interconnect_memory", FM_FMRI_SCHEME_CPU,
156 	    FM_CPU_SCHEME_VERSION, NULL },
157 	{ "fault.cpu.generic-x86.bus_interconnect_io", FM_FMRI_SCHEME_HC,
158 	    FM_HC_SCHEME_VERSION, NULL },
159 	{ "fault.cpu.generic-x86.bus_interconnect_io", FM_FMRI_SCHEME_CPU,
160 	    FM_CPU_SCHEME_VERSION, NULL },
161 	{ "fault.cpu.generic-x86.bus_interconnect", FM_FMRI_SCHEME_HC,
162 	    FM_HC_SCHEME_VERSION, NULL },
163 	{ "fault.cpu.generic-x86.bus_interconnect", FM_FMRI_SCHEME_CPU,
164 	    FM_CPU_SCHEME_VERSION, NULL },
165 	{ "fault.cpu.intel.bus_interconnect_memory", FM_FMRI_SCHEME_HC,
166 	    FM_HC_SCHEME_VERSION, NULL },
167 	{ "fault.cpu.intel.bus_interconnect_memory", FM_FMRI_SCHEME_CPU,
168 	    FM_CPU_SCHEME_VERSION, NULL },
169 	{ "fault.cpu.intel.bus_interconnect_io", FM_FMRI_SCHEME_HC,
170 	    FM_HC_SCHEME_VERSION, NULL },
171 	{ "fault.cpu.intel.bus_interconnect_io", FM_FMRI_SCHEME_CPU,
172 	    FM_CPU_SCHEME_VERSION, NULL },
173 	{ "fault.cpu.intel.bus_interconnect", FM_FMRI_SCHEME_HC,
174 	    FM_HC_SCHEME_VERSION, NULL },
175 	{ "fault.cpu.intel.bus_interconnect", FM_FMRI_SCHEME_CPU,
176 	    FM_CPU_SCHEME_VERSION, NULL },
177 	{ "fault.cpu.intel.nb.*", FM_FMRI_SCHEME_HC, FM_HC_SCHEME_VERSION,
178 	    NULL },
179 	{ "fault.cpu.intel.nb.*", FM_FMRI_SCHEME_CPU, FM_CPU_SCHEME_VERSION,
180 	    NULL },
181 	{ "fault.cpu.intel.dma", FM_FMRI_SCHEME_HC, FM_HC_SCHEME_VERSION,
182 	    NULL },
183 	{ "fault.cpu.intel.dma", FM_FMRI_SCHEME_CPU, FM_CPU_SCHEME_VERSION,
184 	    NULL },
185 	{ "fault.cpu.*", FM_FMRI_SCHEME_HC, FM_HC_SCHEME_VERSION,
186 	    cma_cpu_hc_retire },
187 	{ "fault.cpu.*", FM_FMRI_SCHEME_CPU, FM_CPU_SCHEME_VERSION,
188 	    cma_cpu_hc_retire },
189 #elif defined(sun4v)
190 	{ "fault.memory.page", FM_FMRI_SCHEME_MEM, FM_MEM_SCHEME_VERSION,
191 	    cma_page_retire },
192 	{ "fault.memory.dimm", FM_FMRI_SCHEME_MEM, FM_MEM_SCHEME_VERSION,
193 	    NULL },
194 	{ "fault.memory.dimm_sb", FM_FMRI_SCHEME_MEM, FM_MEM_SCHEME_VERSION,
195 	    NULL },
196 	{ "fault.memory.dimm_ck", FM_FMRI_SCHEME_MEM, FM_MEM_SCHEME_VERSION,
197 	    NULL },
198 	{ "fault.memory.dimm_ue", FM_FMRI_SCHEME_MEM, FM_MEM_SCHEME_VERSION,
199 	    NULL },
200 	{ "fault.memory.dimm-page-retires-excessive", FM_FMRI_SCHEME_MEM,
201 	    FM_MEM_SCHEME_VERSION, NULL },
202 	{ "fault.memory.dimm-ue-imminent", FM_FMRI_SCHEME_MEM,
203 	    FM_MEM_SCHEME_VERSION, NULL },
204 	{ "fault.memory.dram-ue-imminent", FM_FMRI_SCHEME_MEM,
205 	    FM_MEM_SCHEME_VERSION, NULL },
206 	{ "fault.memory.bank", FM_FMRI_SCHEME_MEM, FM_MEM_SCHEME_VERSION,
207 	    NULL },
208 	{ "fault.memory.datapath", FM_FMRI_SCHEME_MEM, FM_MEM_SCHEME_VERSION,
209 	    NULL },
210 	{ "fault.memory.link-c", FM_FMRI_SCHEME_MEM, FM_MEM_SCHEME_VERSION,
211 	    NULL },
212 	{ "fault.memory.link-u", FM_FMRI_SCHEME_MEM, FM_MEM_SCHEME_VERSION,
213 	    NULL },
214 	{ "fault.memory.link-f", FM_FMRI_SCHEME_MEM, FM_MEM_SCHEME_VERSION,
215 	    NULL },
216 	{ "fault.memory.link-c", FM_FMRI_SCHEME_HC, FM_HC_SCHEME_VERSION,
217 	    NULL },
218 	{ "fault.memory.link-u", FM_FMRI_SCHEME_HC, FM_HC_SCHEME_VERSION,
219 	    NULL },
220 	{ "fault.memory.link-f", FM_FMRI_SCHEME_HC, FM_HC_SCHEME_VERSION,
221 	    NULL },
222 
223 	/*
224 	 * The following ultraSPARC-T1/T2 faults do NOT retire a cpu thread,
225 	 * and therefore must be intercepted before
226 	 * the default "fault.cpu.*" dispatch to cma_cpu_hc_retire.
227 	 */
228 	{ "fault.cpu.*.l2cachedata", FM_FMRI_SCHEME_CPU,
229 	    FM_CPU_SCHEME_VERSION, NULL },
230 	{ "fault.cpu.*.l2cachetag", FM_FMRI_SCHEME_CPU,
231 	    FM_CPU_SCHEME_VERSION, NULL },
232 	{ "fault.cpu.*.l2cachectl", FM_FMRI_SCHEME_CPU,
233 	    FM_CPU_SCHEME_VERSION, NULL },
234 	{ "fault.cpu.*.l2data-c", FM_FMRI_SCHEME_CPU,
235 	    FM_CPU_SCHEME_VERSION, NULL },
236 	{ "fault.cpu.*.l2data-u", FM_FMRI_SCHEME_CPU,
237 	    FM_CPU_SCHEME_VERSION, NULL },
238 	{ "fault.cpu.*.mau", FM_FMRI_SCHEME_CPU,
239 	    FM_CPU_SCHEME_VERSION, NULL },
240 	{ "fault.cpu.*.lfu-u", FM_FMRI_SCHEME_CPU,
241 	    FM_CPU_SCHEME_VERSION, NULL },
242 	{ "fault.cpu.*.lfu-f", FM_FMRI_SCHEME_CPU,
243 	    FM_CPU_SCHEME_VERSION, NULL },
244 	{ "fault.cpu.*.lfu-p", FM_FMRI_SCHEME_CPU,
245 	    FM_CPU_SCHEME_VERSION, NULL },
246 	{ "fault.cpu.ultraSPARC-T1.freg", FM_FMRI_SCHEME_CPU,
247 	    FM_CPU_SCHEME_VERSION, NULL },
248 	{ "fault.cpu.ultraSPARC-T1.l2cachedata", FM_FMRI_SCHEME_CPU,
249 	    FM_CPU_SCHEME_VERSION, NULL },
250 	{ "fault.cpu.ultraSPARC-T1.l2cachetag", FM_FMRI_SCHEME_CPU,
251 	    FM_CPU_SCHEME_VERSION, NULL },
252 	{ "fault.cpu.ultraSPARC-T1.l2cachectl", FM_FMRI_SCHEME_CPU,
253 	    FM_CPU_SCHEME_VERSION, NULL },
254 	{ "fault.cpu.ultraSPARC-T1.mau", FM_FMRI_SCHEME_CPU,
255 	    FM_CPU_SCHEME_VERSION, NULL },
256 	{ "fault.cpu.ultraSPARC-T2plus.chip", FM_FMRI_SCHEME_HC,
257 	    FM_HC_SCHEME_VERSION, NULL },
258 	{ "fault.cpu.*", FM_FMRI_SCHEME_HC, FM_HC_SCHEME_VERSION,
259 	    cma_cpu_hc_retire },
260 	{ "fault.cpu.*", FM_FMRI_SCHEME_CPU, FM_CPU_SCHEME_VERSION,
261 	    cma_cpu_hc_retire },
262 #elif defined(opl)
263 	{ "fault.memory.page", FM_FMRI_SCHEME_MEM, FM_MEM_SCHEME_VERSION,
264 	    cma_page_retire },
265 	{ "fault.memory.dimm", FM_FMRI_SCHEME_MEM, FM_MEM_SCHEME_VERSION,
266 	    NULL },
267 	{ "fault.memory.dimm-page-retires-excessive", FM_FMRI_SCHEME_MEM,
268 	    FM_MEM_SCHEME_VERSION, NULL },
269 	{ "fault.memory.dimm-ue-imminent", FM_FMRI_SCHEME_MEM,
270 	    FM_MEM_SCHEME_VERSION, NULL },
271 	{ "fault.memory.dram-ue-imminent", FM_FMRI_SCHEME_MEM,
272 	    FM_MEM_SCHEME_VERSION, NULL },
273 	{ "fault.memory.bank", FM_FMRI_SCHEME_MEM, FM_MEM_SCHEME_VERSION,
274 	    NULL },
275 	{ "fault.cpu.SPARC64-VI.*", FM_FMRI_SCHEME_CPU, FM_CPU_SCHEME_VERSION,
276 	    cma_cpu_cpu_retire },
277 	{ "fault.cpu.SPARC64-VII.*", FM_FMRI_SCHEME_CPU, FM_CPU_SCHEME_VERSION,
278 	    cma_cpu_cpu_retire },
279 	{ "fault.chassis.SPARC-Enterprise.cpu.SPARC64-VI.core.se",
280 		FM_FMRI_SCHEME_HC, FM_HC_SCHEME_VERSION, cma_cpu_hc_retire },
281 	{ "fault.chassis.SPARC-Enterprise.cpu.SPARC64-VI.core.se-offlinereq",
282 		FM_FMRI_SCHEME_HC, FM_HC_SCHEME_VERSION, cma_cpu_hc_retire },
283 	{ "fault.chassis.SPARC-Enterprise.cpu.SPARC64-VI.core.ce",
284 		FM_FMRI_SCHEME_HC, FM_HC_SCHEME_VERSION, cma_cpu_hc_retire },
285 	{ "fault.chassis.SPARC-Enterprise.cpu.SPARC64-VI.core.ce-offlinereq",
286 		FM_FMRI_SCHEME_HC, FM_HC_SCHEME_VERSION, cma_cpu_hc_retire },
287 	{ "fault.chassis.SPARC-Enterprise.cpu.SPARC64-VII.core.se",
288 		FM_FMRI_SCHEME_HC, FM_HC_SCHEME_VERSION, cma_cpu_hc_retire },
289 	{ "fault.chassis.SPARC-Enterprise.cpu.SPARC64-VII.core.se-offlinereq",
290 		FM_FMRI_SCHEME_HC, FM_HC_SCHEME_VERSION, cma_cpu_hc_retire },
291 	{ "fault.chassis.SPARC-Enterprise.cpu.SPARC64-VII.core.ce",
292 		FM_FMRI_SCHEME_HC, FM_HC_SCHEME_VERSION, cma_cpu_hc_retire },
293 	{ "fault.chassis.SPARC-Enterprise.cpu.SPARC64-VII.core.ce-offlinereq",
294 		FM_FMRI_SCHEME_HC, FM_HC_SCHEME_VERSION, cma_cpu_hc_retire },
295 #else
296 	/*
297 	 * For platforms excluding i386, sun4v and opl.
298 	 */
299 	{ "fault.memory.page", FM_FMRI_SCHEME_MEM, FM_MEM_SCHEME_VERSION,
300 	    cma_page_retire },
301 	{ "fault.memory.page_sb", FM_FMRI_SCHEME_MEM, FM_MEM_SCHEME_VERSION,
302 	    cma_page_retire },
303 	{ "fault.memory.page_ck", FM_FMRI_SCHEME_MEM, FM_MEM_SCHEME_VERSION,
304 	    cma_page_retire },
305 	{ "fault.memory.page_ue", FM_FMRI_SCHEME_MEM, FM_MEM_SCHEME_VERSION,
306 	    cma_page_retire },
307 	{ "fault.memory.dimm", FM_FMRI_SCHEME_MEM, FM_MEM_SCHEME_VERSION,
308 	    NULL },
309 	{ "fault.memory.dimm_sb", FM_FMRI_SCHEME_MEM, FM_MEM_SCHEME_VERSION,
310 	    NULL },
311 	{ "fault.memory.dimm_ck", FM_FMRI_SCHEME_MEM, FM_MEM_SCHEME_VERSION,
312 	    NULL },
313 	{ "fault.memory.dimm_ue", FM_FMRI_SCHEME_MEM, FM_MEM_SCHEME_VERSION,
314 	    NULL },
315 	{ "fault.memory.dimm-page-retires-excessive", FM_FMRI_SCHEME_MEM,
316 	    FM_MEM_SCHEME_VERSION, NULL },
317 	{ "fault.memory.dimm-ue-imminent", FM_FMRI_SCHEME_MEM,
318 	    FM_MEM_SCHEME_VERSION, NULL },
319 	{ "fault.memory.dram-ue-imminent", FM_FMRI_SCHEME_MEM,
320 	    FM_MEM_SCHEME_VERSION, NULL },
321 	{ "fault.memory.dimm_testfail", FM_FMRI_SCHEME_MEM,
322 	    FM_MEM_SCHEME_VERSION, NULL },
323 	{ "fault.memory.bank", FM_FMRI_SCHEME_MEM, FM_MEM_SCHEME_VERSION,
324 	    NULL },
325 	{ "fault.memory.datapath", FM_FMRI_SCHEME_MEM, FM_MEM_SCHEME_VERSION,
326 	    NULL },
327 
328 	/*
329 	 * The following faults do NOT retire a cpu thread,
330 	 * and therefore must be intercepted before
331 	 * the default "fault.cpu.*" dispatch to cma_cpu_cpu_retire.
332 	 */
333 	{ "fault.cpu.ultraSPARC-IVplus.l2cachedata-line",
334 	    FM_FMRI_SCHEME_CPU, FM_CPU_SCHEME_VERSION,
335 	    cma_cache_way_retire },
336 	{ "fault.cpu.ultraSPARC-IVplus.l3cachedata-line",
337 	    FM_FMRI_SCHEME_CPU, FM_CPU_SCHEME_VERSION,
338 	    cma_cache_way_retire },
339 	{ "fault.cpu.ultraSPARC-IVplus.l2cachetag-line",
340 	    FM_FMRI_SCHEME_CPU, FM_CPU_SCHEME_VERSION,
341 	    cma_cache_way_retire },
342 	{ "fault.cpu.ultraSPARC-IVplus.l3cachetag-line",
343 	    FM_FMRI_SCHEME_CPU, FM_CPU_SCHEME_VERSION,
344 	    cma_cache_way_retire },
345 
346 	/*
347 	 * Default "fault.cpu.*" for "cpu" scheme ASRU dispatch.
348 	 */
349 	{ "fault.cpu.*", FM_FMRI_SCHEME_CPU, FM_CPU_SCHEME_VERSION,
350 	    cma_cpu_cpu_retire },
351 #endif
352 	{ NULL, NULL, 0, NULL }
353 };
354 
355 static const cma_subscriber_t *
356 nvl2subr(fmd_hdl_t *hdl, nvlist_t *nvl, nvlist_t **asrup)
357 {
358 	const cma_subscriber_t *sp;
359 	nvlist_t *asru;
360 	char *scheme;
361 	uint8_t version;
362 	boolean_t retire;
363 
364 	if (nvlist_lookup_boolean_value(nvl, FM_SUSPECT_RETIRE, &retire) == 0 &&
365 	    retire == 0) {
366 		fmd_hdl_debug(hdl, "cma_recv: retire suppressed");
367 		return (NULL);
368 	}
369 
370 	if (nvlist_lookup_nvlist(nvl, FM_FAULT_ASRU, &asru) != 0 ||
371 	    nvlist_lookup_string(asru, FM_FMRI_SCHEME, &scheme) != 0 ||
372 	    nvlist_lookup_uint8(asru, FM_VERSION, &version) != 0) {
373 		cma_stats.bad_flts.fmds_value.ui64++;
374 		return (NULL);
375 	}
376 
377 	for (sp = cma_subrs; sp->subr_class != NULL; sp++) {
378 		if (fmd_nvl_class_match(hdl, nvl, sp->subr_class) &&
379 		    strcmp(scheme, sp->subr_sname) == 0 &&
380 		    version <= sp->subr_svers) {
381 			*asrup = asru;
382 			return (sp);
383 		}
384 	}
385 
386 	cma_stats.nop_flts.fmds_value.ui64++;
387 	return (NULL);
388 }
389 
390 static void
391 cma_recv_list(fmd_hdl_t *hdl, nvlist_t *nvl, const char *class)
392 {
393 	char *uuid = NULL;
394 	nvlist_t **nva;
395 	uint_t nvc = 0;
396 	uint_t keepopen;
397 	int err = 0;
398 	nvlist_t *asru = NULL;
399 #ifndef i386
400 	uint32_t index;
401 #endif
402 
403 	err |= nvlist_lookup_string(nvl, FM_SUSPECT_UUID, &uuid);
404 	err |= nvlist_lookup_nvlist_array(nvl, FM_SUSPECT_FAULT_LIST,
405 	    &nva, &nvc);
406 	if (err != 0) {
407 		cma_stats.bad_flts.fmds_value.ui64++;
408 		return;
409 	}
410 
411 	keepopen = nvc;
412 	while (nvc-- != 0 && (strcmp(class, FM_LIST_SUSPECT_CLASS) != 0 ||
413 	    !fmd_case_uuclosed(hdl, uuid))) {
414 		nvlist_t *nvl = *nva++;
415 		const cma_subscriber_t *subr;
416 		int has_fault;
417 
418 		if ((subr = nvl2subr(hdl, nvl, &asru)) == NULL)
419 			continue;
420 
421 		/*
422 		 * A handler returns CMA_RA_SUCCESS to indicate that
423 		 * from this suspects  point-of-view the case may be
424 		 * closed, CMA_RA_FAILURE otherwise.
425 		 * A handler must not close the case itself.
426 		 */
427 		if (subr->subr_func != NULL) {
428 			has_fault = fmd_nvl_fmri_has_fault(hdl, asru,
429 			    FMD_HAS_FAULT_ASRU, NULL);
430 			if (strcmp(class, FM_LIST_SUSPECT_CLASS) == 0) {
431 				if (has_fault == 1)
432 					err = subr->subr_func(hdl, nvl, asru,
433 					    uuid, 0);
434 			} else {
435 				if (has_fault == 0)
436 					err = subr->subr_func(hdl, nvl, asru,
437 					    uuid, 1);
438 			}
439 			if (err == CMA_RA_SUCCESS)
440 				keepopen--;
441 		}
442 	}
443 
444 #ifndef i386
445 	/*
446 	 * Do not close the case if we are handling cache faults.
447 	 */
448 	if (asru != NULL) {
449 		if (nvlist_lookup_uint32(asru, FM_FMRI_CPU_CACHE_INDEX,
450 		    &index) != 0) {
451 			if (!keepopen && strcmp(class,
452 			    FM_LIST_SUSPECT_CLASS) == 0) {
453 				fmd_case_uuclose(hdl, uuid);
454 			}
455 		}
456 	}
457 #endif
458 
459 	if (!keepopen && strcmp(class, FM_LIST_REPAIRED_CLASS) == 0)
460 		fmd_case_uuresolved(hdl, uuid);
461 }
462 
463 static void
464 cma_recv_one(fmd_hdl_t *hdl, nvlist_t *nvl)
465 {
466 	const cma_subscriber_t *subr;
467 	nvlist_t *asru;
468 
469 	if ((subr = nvl2subr(hdl, nvl, &asru)) == NULL)
470 		return;
471 
472 	if (subr->subr_func != NULL) {
473 		if (fmd_nvl_fmri_has_fault(hdl, asru,
474 		    FMD_HAS_FAULT_ASRU, NULL) == 1)
475 			(void) subr->subr_func(hdl, nvl, asru, NULL, 0);
476 	}
477 }
478 
479 /*ARGSUSED*/
480 static void
481 cma_recv(fmd_hdl_t *hdl, fmd_event_t *ep, nvlist_t *nvl, const char *class)
482 {
483 	fmd_hdl_debug(hdl, "received %s\n", class);
484 
485 	if (strcmp(class, FM_LIST_SUSPECT_CLASS) == 0 ||
486 	    strcmp(class, FM_LIST_REPAIRED_CLASS) == 0 ||
487 	    strcmp(class, FM_LIST_UPDATED_CLASS) == 0)
488 		cma_recv_list(hdl, nvl, class);
489 	else
490 		cma_recv_one(hdl, nvl);
491 }
492 
493 /*ARGSUSED*/
494 static void
495 cma_timeout(fmd_hdl_t *hdl, id_t id, void *arg)
496 {
497 	if (id == cma.cma_page_timerid)
498 		cma_page_retry(hdl);
499 #ifdef sun4v
500 	/*
501 	 * cpu offline/online needs to be retried on sun4v because
502 	 * ldom request can be asynchronous.
503 	 */
504 	else if (id == cma.cma_cpu_timerid)
505 		cma_cpu_retry(hdl);
506 #endif
507 }
508 
509 #ifdef sun4v
510 static void *
511 cma_init_alloc(size_t size)
512 {
513 	return (fmd_hdl_alloc(init_hdl, size, FMD_SLEEP));
514 }
515 
516 static void
517 cma_init_free(void *addr, size_t size)
518 {
519 	fmd_hdl_free(init_hdl, addr, size);
520 }
521 #endif
522 
523 static const fmd_hdl_ops_t fmd_ops = {
524 	cma_recv,	/* fmdo_recv */
525 	cma_timeout,	/* fmdo_timeout */
526 	NULL,		/* fmdo_close */
527 	NULL,		/* fmdo_stats */
528 	NULL,		/* fmdo_gc */
529 };
530 
531 static const fmd_prop_t fmd_props[] = {
532 	{ "cpu_tries", FMD_TYPE_UINT32, "10" },
533 	{ "cpu_delay", FMD_TYPE_TIME, "1sec" },
534 #ifdef sun4v
535 	{ "cpu_ret_mindelay", FMD_TYPE_TIME, "5sec" },
536 	{ "cpu_ret_maxdelay", FMD_TYPE_TIME, "5min" },
537 #endif /* sun4v */
538 	{ "cpu_offline_enable", FMD_TYPE_BOOL, "true" },
539 	{ "cpu_online_enable", FMD_TYPE_BOOL, "true" },
540 	{ "cpu_forced_offline", FMD_TYPE_BOOL, "true" },
541 #ifdef opl
542 	{ "cpu_blacklist_enable", FMD_TYPE_BOOL, "false" },
543 	{ "cpu_unblacklist_enable", FMD_TYPE_BOOL, "false" },
544 #else
545 	{ "cpu_blacklist_enable", FMD_TYPE_BOOL, "true" },
546 	{ "cpu_unblacklist_enable", FMD_TYPE_BOOL, "true" },
547 #endif /* opl */
548 	{ "page_ret_mindelay", FMD_TYPE_TIME, "1sec" },
549 	{ "page_ret_maxdelay", FMD_TYPE_TIME, "5min" },
550 	{ "page_retire_enable", FMD_TYPE_BOOL, "true" },
551 	{ "page_unretire_enable", FMD_TYPE_BOOL, "true" },
552 	{ NULL, 0, NULL }
553 };
554 
555 static const fmd_hdl_info_t fmd_info = {
556 	"CPU/Memory Retire Agent", CMA_VERSION, &fmd_ops, fmd_props
557 };
558 
559 void
560 _fmd_init(fmd_hdl_t *hdl)
561 {
562 	hrtime_t nsec;
563 #ifdef i386
564 	char buf[BUFSIZ];
565 	const char *dom0 = "control_d";
566 
567 	/*
568 	 * Abort the cpumem-retire module if Solaris is running under DomU.
569 	 */
570 	if (sysinfo(SI_PLATFORM, buf, sizeof (buf)) == -1)
571 		return;
572 
573 	if (strncmp(buf, "i86pc", sizeof (buf)) == 0) {
574 		cma_is_native = B_TRUE;
575 	} else if (strncmp(buf, "i86xpv", sizeof (buf)) != 0) {
576 		return;
577 	} else {
578 		int fd = open("/dev/xen/domcaps", O_RDONLY);
579 
580 		if (fd != -1) {
581 			if (read(fd, buf, sizeof (buf)) <= 0 ||
582 			    strncmp(buf, dom0, strlen(dom0)) != 0) {
583 				(void) close(fd);
584 				return;
585 			}
586 			(void) close(fd);
587 		}
588 		cma_is_native = B_FALSE;
589 	}
590 #endif /* i386 */
591 
592 	if (fmd_hdl_register(hdl, FMD_API_VERSION, &fmd_info) != 0)
593 		return; /* invalid data in configuration file */
594 
595 	fmd_hdl_subscribe(hdl, "fault.cpu.*");
596 	fmd_hdl_subscribe(hdl, "fault.memory.*");
597 #ifdef opl
598 	fmd_hdl_subscribe(hdl, "fault.chassis.SPARC-Enterprise.cpu.*");
599 #endif
600 
601 	(void) fmd_stat_create(hdl, FMD_STAT_NOALLOC, sizeof (cma_stats) /
602 	    sizeof (fmd_stat_t), (fmd_stat_t *)&cma_stats);
603 
604 	cma.cma_cpu_tries = fmd_prop_get_int32(hdl, "cpu_tries");
605 
606 	nsec = fmd_prop_get_int64(hdl, "cpu_delay");
607 	cma.cma_cpu_delay.tv_sec = nsec / NANOSEC;
608 	cma.cma_cpu_delay.tv_nsec = nsec % NANOSEC;
609 
610 	cma.cma_page_mindelay = fmd_prop_get_int64(hdl, "page_ret_mindelay");
611 	cma.cma_page_maxdelay = fmd_prop_get_int64(hdl, "page_ret_maxdelay");
612 
613 #ifdef sun4v
614 	cma.cma_cpu_mindelay = fmd_prop_get_int64(hdl, "cpu_ret_mindelay");
615 	cma.cma_cpu_maxdelay = fmd_prop_get_int64(hdl, "cpu_ret_maxdelay");
616 #endif
617 
618 	cma.cma_cpu_dooffline = fmd_prop_get_int32(hdl, "cpu_offline_enable");
619 	cma.cma_cpu_forcedoffline = fmd_prop_get_int32(hdl,
620 	    "cpu_forced_offline");
621 	cma.cma_cpu_doonline = fmd_prop_get_int32(hdl, "cpu_online_enable");
622 	cma.cma_cpu_doblacklist = fmd_prop_get_int32(hdl,
623 	    "cpu_blacklist_enable");
624 	cma.cma_cpu_dounblacklist = fmd_prop_get_int32(hdl,
625 	    "cpu_unblacklist_enable");
626 	cma.cma_page_doretire = fmd_prop_get_int32(hdl, "page_retire_enable");
627 	cma.cma_page_dounretire = fmd_prop_get_int32(hdl,
628 	    "page_unretire_enable");
629 
630 	if (cma.cma_page_maxdelay < cma.cma_page_mindelay)
631 		fmd_hdl_abort(hdl, "page retirement delays conflict\n");
632 
633 #ifdef sun4v
634 	init_hdl = hdl;
635 	cma_lhp = ldom_init(cma_init_alloc, cma_init_free);
636 #endif
637 }
638 
639 void
640 _fmd_fini(fmd_hdl_t *hdl)
641 {
642 #ifdef sun4v
643 	ldom_fini(cma_lhp);
644 	cma_cpu_fini(hdl);
645 #endif
646 	cma_page_fini(hdl);
647 }
648