xref: /illumos-gate/usr/src/cmd/fm/modules/common/cpumem-retire/cma_main.c (revision ffb5616e59d0fbdc1ee94070050f240a6a4ac8e2)
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.bank", FM_FMRI_SCHEME_MEM, FM_MEM_SCHEME_VERSION,
201 	    NULL },
202 	{ "fault.memory.datapath", FM_FMRI_SCHEME_MEM, FM_MEM_SCHEME_VERSION,
203 	    NULL },
204 	{ "fault.memory.link-c", FM_FMRI_SCHEME_MEM, FM_MEM_SCHEME_VERSION,
205 	    NULL },
206 	{ "fault.memory.link-u", FM_FMRI_SCHEME_MEM, FM_MEM_SCHEME_VERSION,
207 	    NULL },
208 	{ "fault.memory.link-f", FM_FMRI_SCHEME_MEM, FM_MEM_SCHEME_VERSION,
209 	    NULL },
210 	{ "fault.memory.link-c", FM_FMRI_SCHEME_HC, FM_HC_SCHEME_VERSION,
211 	    NULL },
212 	{ "fault.memory.link-u", FM_FMRI_SCHEME_HC, FM_HC_SCHEME_VERSION,
213 	    NULL },
214 	{ "fault.memory.link-f", FM_FMRI_SCHEME_HC, FM_HC_SCHEME_VERSION,
215 	    NULL },
216 
217 	/*
218 	 * The following ultraSPARC-T1/T2 faults do NOT retire a cpu thread,
219 	 * and therefore must be intercepted before
220 	 * the default "fault.cpu.*" dispatch to cma_cpu_hc_retire.
221 	 */
222 	{ "fault.cpu.*.l2cachedata", FM_FMRI_SCHEME_CPU,
223 	    FM_CPU_SCHEME_VERSION, NULL },
224 	{ "fault.cpu.*.l2cachetag", FM_FMRI_SCHEME_CPU,
225 	    FM_CPU_SCHEME_VERSION, NULL },
226 	{ "fault.cpu.*.l2cachectl", FM_FMRI_SCHEME_CPU,
227 	    FM_CPU_SCHEME_VERSION, NULL },
228 	{ "fault.cpu.*.l2data-c", FM_FMRI_SCHEME_CPU,
229 	    FM_CPU_SCHEME_VERSION, NULL },
230 	{ "fault.cpu.*.l2data-u", FM_FMRI_SCHEME_CPU,
231 	    FM_CPU_SCHEME_VERSION, NULL },
232 	{ "fault.cpu.*.mau", FM_FMRI_SCHEME_CPU,
233 	    FM_CPU_SCHEME_VERSION, NULL },
234 	{ "fault.cpu.*.lfu-u", FM_FMRI_SCHEME_CPU,
235 	    FM_CPU_SCHEME_VERSION, NULL },
236 	{ "fault.cpu.*.lfu-f", FM_FMRI_SCHEME_CPU,
237 	    FM_CPU_SCHEME_VERSION, NULL },
238 	{ "fault.cpu.*.lfu-p", FM_FMRI_SCHEME_CPU,
239 	    FM_CPU_SCHEME_VERSION, NULL },
240 	{ "fault.cpu.ultraSPARC-T1.freg", FM_FMRI_SCHEME_CPU,
241 	    FM_CPU_SCHEME_VERSION, NULL },
242 	{ "fault.cpu.ultraSPARC-T1.l2cachedata", FM_FMRI_SCHEME_CPU,
243 	    FM_CPU_SCHEME_VERSION, NULL },
244 	{ "fault.cpu.ultraSPARC-T1.l2cachetag", FM_FMRI_SCHEME_CPU,
245 	    FM_CPU_SCHEME_VERSION, NULL },
246 	{ "fault.cpu.ultraSPARC-T1.l2cachectl", FM_FMRI_SCHEME_CPU,
247 	    FM_CPU_SCHEME_VERSION, NULL },
248 	{ "fault.cpu.ultraSPARC-T1.mau", FM_FMRI_SCHEME_CPU,
249 	    FM_CPU_SCHEME_VERSION, NULL },
250 	{ "fault.cpu.ultraSPARC-T2plus.chip", FM_FMRI_SCHEME_HC,
251 	    FM_HC_SCHEME_VERSION, NULL },
252 	{ "fault.cpu.*", FM_FMRI_SCHEME_HC, FM_HC_SCHEME_VERSION,
253 	    cma_cpu_hc_retire },
254 	{ "fault.cpu.*", FM_FMRI_SCHEME_CPU, FM_CPU_SCHEME_VERSION,
255 	    cma_cpu_hc_retire },
256 #elif defined(opl)
257 	{ "fault.memory.page", FM_FMRI_SCHEME_MEM, FM_MEM_SCHEME_VERSION,
258 	    cma_page_retire },
259 	{ "fault.memory.dimm", FM_FMRI_SCHEME_MEM, FM_MEM_SCHEME_VERSION,
260 	    NULL },
261 	{ "fault.memory.bank", FM_FMRI_SCHEME_MEM, FM_MEM_SCHEME_VERSION,
262 	    NULL },
263 	{ "fault.cpu.SPARC64-VI.*", FM_FMRI_SCHEME_CPU, FM_CPU_SCHEME_VERSION,
264 	    cma_cpu_cpu_retire },
265 	{ "fault.cpu.SPARC64-VII.*", FM_FMRI_SCHEME_CPU, FM_CPU_SCHEME_VERSION,
266 	    cma_cpu_cpu_retire },
267 	{ "fault.chassis.SPARC-Enterprise.cpu.SPARC64-VI.core.se",
268 		FM_FMRI_SCHEME_HC, FM_HC_SCHEME_VERSION, cma_cpu_hc_retire },
269 	{ "fault.chassis.SPARC-Enterprise.cpu.SPARC64-VI.core.se-offlinereq",
270 		FM_FMRI_SCHEME_HC, FM_HC_SCHEME_VERSION, cma_cpu_hc_retire },
271 	{ "fault.chassis.SPARC-Enterprise.cpu.SPARC64-VI.core.ce",
272 		FM_FMRI_SCHEME_HC, FM_HC_SCHEME_VERSION, cma_cpu_hc_retire },
273 	{ "fault.chassis.SPARC-Enterprise.cpu.SPARC64-VI.core.ce-offlinereq",
274 		FM_FMRI_SCHEME_HC, FM_HC_SCHEME_VERSION, cma_cpu_hc_retire },
275 	{ "fault.chassis.SPARC-Enterprise.cpu.SPARC64-VII.core.se",
276 		FM_FMRI_SCHEME_HC, FM_HC_SCHEME_VERSION, cma_cpu_hc_retire },
277 	{ "fault.chassis.SPARC-Enterprise.cpu.SPARC64-VII.core.se-offlinereq",
278 		FM_FMRI_SCHEME_HC, FM_HC_SCHEME_VERSION, cma_cpu_hc_retire },
279 	{ "fault.chassis.SPARC-Enterprise.cpu.SPARC64-VII.core.ce",
280 		FM_FMRI_SCHEME_HC, FM_HC_SCHEME_VERSION, cma_cpu_hc_retire },
281 	{ "fault.chassis.SPARC-Enterprise.cpu.SPARC64-VII.core.ce-offlinereq",
282 		FM_FMRI_SCHEME_HC, FM_HC_SCHEME_VERSION, cma_cpu_hc_retire },
283 #else
284 	/*
285 	 * For platforms excluding i386, sun4v and opl.
286 	 */
287 	{ "fault.memory.page", FM_FMRI_SCHEME_MEM, FM_MEM_SCHEME_VERSION,
288 	    cma_page_retire },
289 	{ "fault.memory.page_sb", FM_FMRI_SCHEME_MEM, FM_MEM_SCHEME_VERSION,
290 	    cma_page_retire },
291 	{ "fault.memory.page_ck", FM_FMRI_SCHEME_MEM, FM_MEM_SCHEME_VERSION,
292 	    cma_page_retire },
293 	{ "fault.memory.page_ue", FM_FMRI_SCHEME_MEM, FM_MEM_SCHEME_VERSION,
294 	    cma_page_retire },
295 	{ "fault.memory.dimm", FM_FMRI_SCHEME_MEM, FM_MEM_SCHEME_VERSION,
296 	    NULL },
297 	{ "fault.memory.dimm_sb", FM_FMRI_SCHEME_MEM, FM_MEM_SCHEME_VERSION,
298 	    NULL },
299 	{ "fault.memory.dimm_ck", FM_FMRI_SCHEME_MEM, FM_MEM_SCHEME_VERSION,
300 	    NULL },
301 	{ "fault.memory.dimm_ue", FM_FMRI_SCHEME_MEM, FM_MEM_SCHEME_VERSION,
302 	    NULL },
303 	{ "fault.memory.dimm_testfail", FM_FMRI_SCHEME_MEM,
304 	    FM_MEM_SCHEME_VERSION, NULL },
305 	{ "fault.memory.bank", FM_FMRI_SCHEME_MEM, FM_MEM_SCHEME_VERSION,
306 	    NULL },
307 	{ "fault.memory.datapath", FM_FMRI_SCHEME_MEM, FM_MEM_SCHEME_VERSION,
308 	    NULL },
309 
310 	/*
311 	 * The following faults do NOT retire a cpu thread,
312 	 * and therefore must be intercepted before
313 	 * the default "fault.cpu.*" dispatch to cma_cpu_cpu_retire.
314 	 */
315 	{ "fault.cpu.ultraSPARC-IVplus.l2cachedata-line",
316 	    FM_FMRI_SCHEME_CPU, FM_CPU_SCHEME_VERSION,
317 	    cma_cache_way_retire },
318 	{ "fault.cpu.ultraSPARC-IVplus.l3cachedata-line",
319 	    FM_FMRI_SCHEME_CPU, FM_CPU_SCHEME_VERSION,
320 	    cma_cache_way_retire },
321 	{ "fault.cpu.ultraSPARC-IVplus.l2cachetag-line",
322 	    FM_FMRI_SCHEME_CPU, FM_CPU_SCHEME_VERSION,
323 	    cma_cache_way_retire },
324 	{ "fault.cpu.ultraSPARC-IVplus.l3cachetag-line",
325 	    FM_FMRI_SCHEME_CPU, FM_CPU_SCHEME_VERSION,
326 	    cma_cache_way_retire },
327 
328 	/*
329 	 * Default "fault.cpu.*" for "cpu" scheme ASRU dispatch.
330 	 */
331 	{ "fault.cpu.*", FM_FMRI_SCHEME_CPU, FM_CPU_SCHEME_VERSION,
332 	    cma_cpu_cpu_retire },
333 #endif
334 	{ NULL, NULL, 0, NULL }
335 };
336 
337 static const cma_subscriber_t *
338 nvl2subr(fmd_hdl_t *hdl, nvlist_t *nvl, nvlist_t **asrup)
339 {
340 	const cma_subscriber_t *sp;
341 	nvlist_t *asru;
342 	char *scheme;
343 	uint8_t version;
344 	boolean_t retire;
345 
346 	if (nvlist_lookup_boolean_value(nvl, FM_SUSPECT_RETIRE, &retire) == 0 &&
347 	    retire == 0) {
348 		fmd_hdl_debug(hdl, "cma_recv: retire suppressed");
349 		return (NULL);
350 	}
351 
352 	if (nvlist_lookup_nvlist(nvl, FM_FAULT_ASRU, &asru) != 0 ||
353 	    nvlist_lookup_string(asru, FM_FMRI_SCHEME, &scheme) != 0 ||
354 	    nvlist_lookup_uint8(asru, FM_VERSION, &version) != 0) {
355 		cma_stats.bad_flts.fmds_value.ui64++;
356 		return (NULL);
357 	}
358 
359 	for (sp = cma_subrs; sp->subr_class != NULL; sp++) {
360 		if (fmd_nvl_class_match(hdl, nvl, sp->subr_class) &&
361 		    strcmp(scheme, sp->subr_sname) == 0 &&
362 		    version <= sp->subr_svers) {
363 			*asrup = asru;
364 			return (sp);
365 		}
366 	}
367 
368 	cma_stats.nop_flts.fmds_value.ui64++;
369 	return (NULL);
370 }
371 
372 static void
373 cma_recv_list(fmd_hdl_t *hdl, nvlist_t *nvl, const char *class)
374 {
375 	char *uuid = NULL;
376 	nvlist_t **nva;
377 	uint_t nvc = 0;
378 	uint_t keepopen;
379 	int err = 0;
380 	nvlist_t *asru = NULL;
381 #ifndef i386
382 	uint32_t index;
383 #endif
384 
385 	err |= nvlist_lookup_string(nvl, FM_SUSPECT_UUID, &uuid);
386 	err |= nvlist_lookup_nvlist_array(nvl, FM_SUSPECT_FAULT_LIST,
387 	    &nva, &nvc);
388 	if (err != 0) {
389 		cma_stats.bad_flts.fmds_value.ui64++;
390 		return;
391 	}
392 
393 	keepopen = nvc;
394 	while (nvc-- != 0 && (strcmp(class, FM_LIST_SUSPECT_CLASS) != 0 ||
395 	    !fmd_case_uuclosed(hdl, uuid))) {
396 		nvlist_t *nvl = *nva++;
397 		const cma_subscriber_t *subr;
398 		int has_fault;
399 
400 		if ((subr = nvl2subr(hdl, nvl, &asru)) == NULL)
401 			continue;
402 
403 		/*
404 		 * A handler returns CMA_RA_SUCCESS to indicate that
405 		 * from this suspects  point-of-view the case may be
406 		 * closed, CMA_RA_FAILURE otherwise.
407 		 * A handler must not close the case itself.
408 		 */
409 		if (subr->subr_func != NULL) {
410 			has_fault = fmd_nvl_fmri_has_fault(hdl, asru,
411 			    FMD_HAS_FAULT_ASRU, NULL);
412 			if (strcmp(class, FM_LIST_SUSPECT_CLASS) == 0) {
413 				if (has_fault == 1)
414 					err = subr->subr_func(hdl, nvl, asru,
415 					    uuid, 0);
416 			} else {
417 				if (has_fault == 0)
418 					err = subr->subr_func(hdl, nvl, asru,
419 					    uuid, 1);
420 			}
421 			if (err == CMA_RA_SUCCESS)
422 				keepopen--;
423 		}
424 	}
425 
426 #ifndef i386
427 	/*
428 	 * Do not close the case if we are handling cache faults.
429 	 */
430 	if (asru != NULL) {
431 		if (nvlist_lookup_uint32(asru, FM_FMRI_CPU_CACHE_INDEX,
432 		    &index) != 0) {
433 			if (!keepopen && strcmp(class,
434 			    FM_LIST_SUSPECT_CLASS) == 0) {
435 				fmd_case_uuclose(hdl, uuid);
436 			}
437 		}
438 	}
439 #endif
440 
441 	if (!keepopen && strcmp(class, FM_LIST_REPAIRED_CLASS) == 0)
442 		fmd_case_uuresolved(hdl, uuid);
443 }
444 
445 static void
446 cma_recv_one(fmd_hdl_t *hdl, nvlist_t *nvl)
447 {
448 	const cma_subscriber_t *subr;
449 	nvlist_t *asru;
450 
451 	if ((subr = nvl2subr(hdl, nvl, &asru)) == NULL)
452 		return;
453 
454 	if (subr->subr_func != NULL) {
455 		if (fmd_nvl_fmri_has_fault(hdl, asru,
456 		    FMD_HAS_FAULT_ASRU, NULL) == 1)
457 			(void) subr->subr_func(hdl, nvl, asru, NULL, 0);
458 	}
459 }
460 
461 /*ARGSUSED*/
462 static void
463 cma_recv(fmd_hdl_t *hdl, fmd_event_t *ep, nvlist_t *nvl, const char *class)
464 {
465 	fmd_hdl_debug(hdl, "received %s\n", class);
466 
467 	if (strcmp(class, FM_LIST_SUSPECT_CLASS) == 0 ||
468 	    strcmp(class, FM_LIST_REPAIRED_CLASS) == 0 ||
469 	    strcmp(class, FM_LIST_UPDATED_CLASS) == 0)
470 		cma_recv_list(hdl, nvl, class);
471 	else
472 		cma_recv_one(hdl, nvl);
473 }
474 
475 /*ARGSUSED*/
476 static void
477 cma_timeout(fmd_hdl_t *hdl, id_t id, void *arg)
478 {
479 	if (id == cma.cma_page_timerid)
480 		cma_page_retry(hdl);
481 #ifdef sun4v
482 	/*
483 	 * cpu offline/online needs to be retried on sun4v because
484 	 * ldom request can be asynchronous.
485 	 */
486 	else if (id == cma.cma_cpu_timerid)
487 		cma_cpu_retry(hdl);
488 #endif
489 }
490 
491 #ifdef sun4v
492 static void *
493 cma_init_alloc(size_t size)
494 {
495 	return (fmd_hdl_alloc(init_hdl, size, FMD_SLEEP));
496 }
497 
498 static void
499 cma_init_free(void *addr, size_t size)
500 {
501 	fmd_hdl_free(init_hdl, addr, size);
502 }
503 #endif
504 
505 static const fmd_hdl_ops_t fmd_ops = {
506 	cma_recv,	/* fmdo_recv */
507 	cma_timeout,	/* fmdo_timeout */
508 	NULL,		/* fmdo_close */
509 	NULL,		/* fmdo_stats */
510 	NULL,		/* fmdo_gc */
511 };
512 
513 static const fmd_prop_t fmd_props[] = {
514 	{ "cpu_tries", FMD_TYPE_UINT32, "10" },
515 	{ "cpu_delay", FMD_TYPE_TIME, "1sec" },
516 #ifdef sun4v
517 	{ "cpu_ret_mindelay", FMD_TYPE_TIME, "5sec" },
518 	{ "cpu_ret_maxdelay", FMD_TYPE_TIME, "5min" },
519 #endif /* sun4v */
520 	{ "cpu_offline_enable", FMD_TYPE_BOOL, "true" },
521 	{ "cpu_online_enable", FMD_TYPE_BOOL, "true" },
522 	{ "cpu_forced_offline", FMD_TYPE_BOOL, "true" },
523 #ifdef opl
524 	{ "cpu_blacklist_enable", FMD_TYPE_BOOL, "false" },
525 	{ "cpu_unblacklist_enable", FMD_TYPE_BOOL, "false" },
526 #else
527 	{ "cpu_blacklist_enable", FMD_TYPE_BOOL, "true" },
528 	{ "cpu_unblacklist_enable", FMD_TYPE_BOOL, "true" },
529 #endif /* opl */
530 	{ "page_ret_mindelay", FMD_TYPE_TIME, "1sec" },
531 	{ "page_ret_maxdelay", FMD_TYPE_TIME, "5min" },
532 	{ "page_retire_enable", FMD_TYPE_BOOL, "true" },
533 	{ "page_unretire_enable", FMD_TYPE_BOOL, "true" },
534 	{ NULL, 0, NULL }
535 };
536 
537 static const fmd_hdl_info_t fmd_info = {
538 	"CPU/Memory Retire Agent", CMA_VERSION, &fmd_ops, fmd_props
539 };
540 
541 void
542 _fmd_init(fmd_hdl_t *hdl)
543 {
544 	hrtime_t nsec;
545 #ifdef i386
546 	char buf[BUFSIZ];
547 	const char *dom0 = "control_d";
548 
549 	/*
550 	 * Abort the cpumem-retire module if Solaris is running under DomU.
551 	 */
552 	if (sysinfo(SI_PLATFORM, buf, sizeof (buf)) == -1)
553 		return;
554 
555 	if (strncmp(buf, "i86pc", sizeof (buf)) == 0) {
556 		cma_is_native = B_TRUE;
557 	} else if (strncmp(buf, "i86xpv", sizeof (buf)) != 0) {
558 		return;
559 	} else {
560 		int fd = open("/dev/xen/domcaps", O_RDONLY);
561 
562 		if (fd != -1) {
563 			if (read(fd, buf, sizeof (buf)) <= 0 ||
564 			    strncmp(buf, dom0, strlen(dom0)) != 0) {
565 				(void) close(fd);
566 				return;
567 			}
568 			(void) close(fd);
569 		}
570 		cma_is_native = B_FALSE;
571 	}
572 #endif /* i386 */
573 
574 	if (fmd_hdl_register(hdl, FMD_API_VERSION, &fmd_info) != 0)
575 		return; /* invalid data in configuration file */
576 
577 	fmd_hdl_subscribe(hdl, "fault.cpu.*");
578 	fmd_hdl_subscribe(hdl, "fault.memory.*");
579 #ifdef opl
580 	fmd_hdl_subscribe(hdl, "fault.chassis.SPARC-Enterprise.cpu.*");
581 #endif
582 
583 	(void) fmd_stat_create(hdl, FMD_STAT_NOALLOC, sizeof (cma_stats) /
584 	    sizeof (fmd_stat_t), (fmd_stat_t *)&cma_stats);
585 
586 	cma.cma_cpu_tries = fmd_prop_get_int32(hdl, "cpu_tries");
587 
588 	nsec = fmd_prop_get_int64(hdl, "cpu_delay");
589 	cma.cma_cpu_delay.tv_sec = nsec / NANOSEC;
590 	cma.cma_cpu_delay.tv_nsec = nsec % NANOSEC;
591 
592 	cma.cma_page_mindelay = fmd_prop_get_int64(hdl, "page_ret_mindelay");
593 	cma.cma_page_maxdelay = fmd_prop_get_int64(hdl, "page_ret_maxdelay");
594 
595 #ifdef sun4v
596 	cma.cma_cpu_mindelay = fmd_prop_get_int64(hdl, "cpu_ret_mindelay");
597 	cma.cma_cpu_maxdelay = fmd_prop_get_int64(hdl, "cpu_ret_maxdelay");
598 #endif
599 
600 	cma.cma_cpu_dooffline = fmd_prop_get_int32(hdl, "cpu_offline_enable");
601 	cma.cma_cpu_forcedoffline = fmd_prop_get_int32(hdl,
602 	    "cpu_forced_offline");
603 	cma.cma_cpu_doonline = fmd_prop_get_int32(hdl, "cpu_online_enable");
604 	cma.cma_cpu_doblacklist = fmd_prop_get_int32(hdl,
605 	    "cpu_blacklist_enable");
606 	cma.cma_cpu_dounblacklist = fmd_prop_get_int32(hdl,
607 	    "cpu_unblacklist_enable");
608 	cma.cma_page_doretire = fmd_prop_get_int32(hdl, "page_retire_enable");
609 	cma.cma_page_dounretire = fmd_prop_get_int32(hdl,
610 	    "page_unretire_enable");
611 
612 	if (cma.cma_page_maxdelay < cma.cma_page_mindelay)
613 		fmd_hdl_abort(hdl, "page retirement delays conflict\n");
614 
615 #ifdef sun4v
616 	init_hdl = hdl;
617 	cma_lhp = ldom_init(cma_init_alloc, cma_init_free);
618 #endif
619 }
620 
621 void
622 _fmd_fini(fmd_hdl_t *hdl)
623 {
624 #ifdef sun4v
625 	ldom_fini(cma_lhp);
626 	cma_cpu_fini(hdl);
627 #endif
628 	cma_page_fini(hdl);
629 }
630