137 static void zfs_purge_cases(fmd_hdl_t *hdl);
152 zfs_case_unserialize(fmd_hdl_t *hdl, fmd_case_t *cp)  in zfs_case_unserialize()  argument
156 	zcp = fmd_hdl_zalloc(hdl, sizeof (zfs_case_t), FMD_SLEEP);  in zfs_case_unserialize()
159 	fmd_buf_read(hdl, cp, CASE_DATA, &zcp->zc_data,  in zfs_case_unserialize()
163 		fmd_hdl_free(hdl, zcp, sizeof (zfs_case_t));  in zfs_case_unserialize()
174 		zcp->zc_remove_timer = fmd_timer_install(hdl, zcp,  in zfs_case_unserialize()
180 	fmd_case_setspecific(hdl, cp, zcp);  in zfs_case_unserialize()
189 zfs_other_serd_cases(fmd_hdl_t *hdl, const zfs_case_data_t *zfs_case)  in zfs_other_serd_cases()  argument
204 		fmd_serd_gc(hdl);  in zfs_other_serd_cases()
205 		zfs_purge_cases(hdl);  in zfs_other_serd_cases()
228 		    fmd_serd_active(hdl, zcd->zc_serd_checksum)) {  in zfs_other_serd_cases()
232 		    fmd_serd_active(hdl, zcd->zc_serd_io)) {  in zfs_other_serd_cases()
236 		    fmd_serd_active(hdl, zcd->zc_serd_slow_io)) {  in zfs_other_serd_cases()
390 zfs_purge_cases(fmd_hdl_t *hdl)  in zfs_purge_cases()  argument
394 	libzfs_handle_t *zhdl = fmd_hdl_getspecific(hdl);  in zfs_purge_cases()
431 			fmd_case_close(hdl, zcp->zc_case);  in zfs_purge_cases()
450 zfs_case_retire(fmd_hdl_t *hdl, zfs_case_t *zcp)  in zfs_case_retire()  argument
452 	fmd_hdl_debug(hdl, "retiring case");  in zfs_case_retire()
454 	fmd_case_close(hdl, zcp->zc_case);  in zfs_case_retire()
463 zfs_case_solve(fmd_hdl_t *hdl, zfs_case_t *zcp, const char *faultname)  in zfs_case_solve()  argument
468 	fmd_hdl_debug(hdl, "solving fault '%s'", faultname);  in zfs_case_solve()
475 	detector = fmd_nvl_alloc(hdl, FMD_SLEEP);  in zfs_case_solve()
486 	fault = fmd_nvl_create_fault(hdl, faultname, 100, detector,  in zfs_case_solve()
488 	fmd_case_add_suspect(hdl, zcp->zc_case, fault);  in zfs_case_solve()
492 	fmd_case_solve(hdl, zcp->zc_case);  in zfs_case_solve()
496 		fmd_timer_remove(hdl, zcp->zc_remove_timer);  in zfs_case_solve()
514 zfs_ereport_when(fmd_hdl_t *hdl, nvlist_t *nvl, er_timeval_t *when)  in zfs_ereport_when()  argument
516 	(void) hdl;  in zfs_ereport_when()
538 zfs_fm_serd_record(fmd_hdl_t *hdl, const char *name, fmd_event_t *ep,  in zfs_fm_serd_record()  argument
541 	int fired = fmd_serd_record(hdl, name, ep);  in zfs_fm_serd_record()
544 	if (fired && (peers = zfs_other_serd_cases(hdl, &zcp->zc_data)) > 0) {  in zfs_fm_serd_record()
545 		fmd_hdl_debug(hdl, "pool %llu is tracking %d other %s cases "  in zfs_fm_serd_record()
550 		zfs_case_retire(hdl, zcp);  in zfs_fm_serd_record()
561 zfs_fm_recv(fmd_hdl_t *hdl, fmd_event_t *ep, nvlist_t *nvl, const char *class)  in zfs_fm_recv()  argument
580 	if (fmd_nvl_class_match(hdl, nvl, "sysevent.fs.zfs.*")) {  in zfs_fm_recv()
581 		fmd_hdl_debug(hdl, "purging orphaned cases from %s",  in zfs_fm_recv()
583 		zfs_purge_cases(hdl);  in zfs_fm_recv()
588 	isresource = fmd_nvl_class_match(hdl, nvl, "resource.fs.zfs.*");  in zfs_fm_recv()
615 		fmd_hdl_debug(hdl, "ignoring '%s' during import", class);  in zfs_fm_recv()
623 	    (fmd_nvl_class_match(hdl, nvl,  in zfs_fm_recv()
625 	    fmd_nvl_class_match(hdl, nvl,  in zfs_fm_recv()
627 	    fmd_nvl_class_match(hdl, nvl,  in zfs_fm_recv()
629 		fmd_hdl_debug(hdl, "ignoring '%s' during pool open", class);  in zfs_fm_recv()
661 	zfs_ereport_when(hdl, nvl, &er_when);  in zfs_fm_recv()
685 		fmd_hdl_debug(hdl, "ignoring pool %llx, "  in zfs_fm_recv()
698 		libzfs_handle_t *zhdl = fmd_hdl_getspecific(hdl);  in zfs_fm_recv()
711 				fmd_hdl_debug(hdl, "ignoring pool %llx, "  in zfs_fm_recv()
733 			fmd_hdl_debug(hdl, "discarding '%s for vdev %llu",  in zfs_fm_recv()
752 		cs = fmd_case_open(hdl, NULL);  in zfs_fm_recv()
754 		fmd_hdl_debug(hdl, "opening case for vdev %llu due to '%s'",  in zfs_fm_recv()
762 		fmd_buf_create(hdl, cs, CASE_DATA, sizeof (zfs_case_data_t));  in zfs_fm_recv()
771 		fmd_buf_write(hdl, cs, CASE_DATA, &data, sizeof (data));  in zfs_fm_recv()
773 		zcp = zfs_case_unserialize(hdl, cs);  in zfs_fm_recv()
780 		fmd_hdl_debug(hdl, "resource event '%s'", class);  in zfs_fm_recv()
782 		if (fmd_nvl_class_match(hdl, nvl,  in zfs_fm_recv()
791 			fmd_case_close(hdl, zcp->zc_case);  in zfs_fm_recv()
792 		} else if (fmd_nvl_class_match(hdl, nvl,  in zfs_fm_recv()
804 				fmd_timer_remove(hdl, zcp->zc_remove_timer);  in zfs_fm_recv()
809 				fmd_serd_reset(hdl, zcp->zc_data.zc_serd_io);  in zfs_fm_recv()
811 				fmd_serd_reset(hdl,  in zfs_fm_recv()
814 				fmd_serd_reset(hdl,  in zfs_fm_recv()
816 		} else if (fmd_nvl_class_match(hdl, nvl,  in zfs_fm_recv()
824 				fmd_hdl_debug(hdl, "closing case after a "  in zfs_fm_recv()
826 				fmd_case_close(hdl, zcp->zc_case);  in zfs_fm_recv()
836 	fmd_case_add_ereport(hdl, zcp->zc_case, ep);  in zfs_fm_recv()
841 	if (fmd_case_solved(hdl, zcp->zc_case))  in zfs_fm_recv()
845 		fmd_hdl_debug(hdl, "error event '%s', vdev %llu", class,  in zfs_fm_recv()
848 		fmd_hdl_debug(hdl, "error event '%s'", class);  in zfs_fm_recv()
864 	if (fmd_nvl_class_match(hdl, nvl,  in zfs_fm_recv()
875 				fmd_case_close(hdl, dcp->zc_case);  in zfs_fm_recv()
878 		zfs_case_solve(hdl, zcp, "fault.fs.zfs.pool");  in zfs_fm_recv()
879 	} else if (fmd_nvl_class_match(hdl, nvl,  in zfs_fm_recv()
884 		zfs_case_solve(hdl, zcp, "fault.fs.zfs.log_replay");  in zfs_fm_recv()
885 	} else if (fmd_nvl_class_match(hdl, nvl, "ereport.fs.zfs.vdev.*")) {  in zfs_fm_recv()
889 		zfs_case_solve(hdl, zcp, "fault.fs.zfs.device");  in zfs_fm_recv()
890 	} else if (fmd_nvl_class_match(hdl, nvl,  in zfs_fm_recv()
892 	    fmd_nvl_class_match(hdl, nvl,  in zfs_fm_recv()
894 	    fmd_nvl_class_match(hdl, nvl,  in zfs_fm_recv()
896 	    fmd_nvl_class_match(hdl, nvl,  in zfs_fm_recv()
898 	    fmd_nvl_class_match(hdl, nvl,  in zfs_fm_recv()
911 		if (fmd_nvl_class_match(hdl, nvl,  in zfs_fm_recv()
926 				fmd_serd_create(hdl, zcp->zc_data.zc_serd_io,  in zfs_fm_recv()
931 			if (zfs_fm_serd_record(hdl, zcp->zc_data.zc_serd_io,  in zfs_fm_recv()
935 		} else if (fmd_nvl_class_match(hdl, nvl,  in zfs_fm_recv()
952 				fmd_serd_create(hdl,  in zfs_fm_recv()
960 			    zfs_fm_serd_record(hdl,  in zfs_fm_recv()
962 				zfs_case_solve(hdl, zcp,  in zfs_fm_recv()
965 		} else if (fmd_nvl_class_match(hdl, nvl,  in zfs_fm_recv()
989 				fmd_hdl_debug(hdl, "ignoring '%s' for "  in zfs_fm_recv()
1008 				fmd_serd_create(hdl,  in zfs_fm_recv()
1014 			if (zfs_fm_serd_record(hdl,  in zfs_fm_recv()
1017 				zfs_case_solve(hdl, zcp,  in zfs_fm_recv()
1020 		} else if (fmd_nvl_class_match(hdl, nvl,  in zfs_fm_recv()
1027 				zfs_case_solve(hdl, zcp,  in zfs_fm_recv()
1031 				zfs_case_solve(hdl, zcp,  in zfs_fm_recv()
1034 		} else if (fmd_nvl_class_match(hdl, nvl,  in zfs_fm_recv()
1049 				fmd_timer_remove(hdl, zcp->zc_remove_timer);  in zfs_fm_recv()
1050 			zcp->zc_remove_timer = fmd_timer_install(hdl, zcp, NULL,  in zfs_fm_recv()
1065 zfs_fm_timeout(fmd_hdl_t *hdl, id_t id, void *data)  in zfs_fm_timeout()  argument
1070 		zfs_case_solve(hdl, zcp, "fault.fs.zfs.vdev.io");  in zfs_fm_timeout()
1078 zfs_fm_close(fmd_hdl_t *hdl, fmd_case_t *cs)  in zfs_fm_close()  argument
1080 	zfs_case_t *zcp = fmd_case_getspecific(hdl, cs);  in zfs_fm_close()
1083 		fmd_serd_destroy(hdl, zcp->zc_data.zc_serd_checksum);  in zfs_fm_close()
1085 		fmd_serd_destroy(hdl, zcp->zc_data.zc_serd_io);  in zfs_fm_close()
1087 		fmd_serd_destroy(hdl, zcp->zc_data.zc_serd_slow_io);  in zfs_fm_close()
1089 		fmd_timer_remove(hdl, zcp->zc_remove_timer);  in zfs_fm_close()
1093 	fmd_hdl_free(hdl, zcp, sizeof (zfs_case_t));  in zfs_fm_close()
1113 _zfs_diagnosis_init(fmd_hdl_t *hdl)  in _zfs_diagnosis_init()  argument
1134 	if (fmd_hdl_register(hdl, FMD_API_VERSION, &fmd_info) != 0) {  in _zfs_diagnosis_init()
1141 	fmd_hdl_setspecific(hdl, zhdl);  in _zfs_diagnosis_init()
1143 	(void) fmd_stat_create(hdl, FMD_STAT_NOALLOC, sizeof (zfs_stats) /  in _zfs_diagnosis_init()
1148 _zfs_diagnosis_fini(fmd_hdl_t *hdl)  in _zfs_diagnosis_fini()  argument
1159 		fmd_hdl_debug(hdl, "removing case ena %llu",  in _zfs_diagnosis_fini()
1163 		fmd_hdl_free(hdl, zcp, sizeof (zfs_case_t));  in _zfs_diagnosis_fini()
1170 	zhdl = fmd_hdl_getspecific(hdl);  in _zfs_diagnosis_fini()