Add Solaris FMA style support

3 files changed, 524 insertions, 0 deletions

diff --git a/module/zfs/include/sys/fm/fs/zfs.h b/module/zfs/include/sys/fm/fs/zfs.h
new file mode 100644
index 000000000..21b7dbe52
--- /dev/null
+++ b/module/zfs/include/sys/fm/fs/zfs.h
@@ -0,0 +1,83 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef	_SYS_FM_FS_ZFS_H
+#define	_SYS_FM_FS_ZFS_H
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+#define	ZFS_ERROR_CLASS				"fs.zfs"
+
+#define	FM_EREPORT_ZFS_CHECKSUM			"checksum"
+#define	FM_EREPORT_ZFS_IO			"io"
+#define	FM_EREPORT_ZFS_DATA			"data"
+#define	FM_EREPORT_ZFS_POOL			"zpool"
+#define	FM_EREPORT_ZFS_DEVICE_UNKNOWN		"vdev.unknown"
+#define	FM_EREPORT_ZFS_DEVICE_OPEN_FAILED	"vdev.open_failed"
+#define	FM_EREPORT_ZFS_DEVICE_CORRUPT_DATA	"vdev.corrupt_data"
+#define	FM_EREPORT_ZFS_DEVICE_NO_REPLICAS	"vdev.no_replicas"
+#define	FM_EREPORT_ZFS_DEVICE_BAD_GUID_SUM	"vdev.bad_guid_sum"
+#define	FM_EREPORT_ZFS_DEVICE_TOO_SMALL		"vdev.too_small"
+#define	FM_EREPORT_ZFS_DEVICE_BAD_LABEL		"vdev.bad_label"
+#define	FM_EREPORT_ZFS_IO_FAILURE		"io_failure"
+#define	FM_EREPORT_ZFS_PROBE_FAILURE		"probe_failure"
+#define	FM_EREPORT_ZFS_LOG_REPLAY		"log_replay"
+
+#define	FM_EREPORT_PAYLOAD_ZFS_POOL		"pool"
+#define	FM_EREPORT_PAYLOAD_ZFS_POOL_FAILMODE	"pool_failmode"
+#define	FM_EREPORT_PAYLOAD_ZFS_POOL_GUID	"pool_guid"
+#define	FM_EREPORT_PAYLOAD_ZFS_POOL_CONTEXT	"pool_context"
+#define	FM_EREPORT_PAYLOAD_ZFS_VDEV_GUID	"vdev_guid"
+#define	FM_EREPORT_PAYLOAD_ZFS_VDEV_TYPE	"vdev_type"
+#define	FM_EREPORT_PAYLOAD_ZFS_VDEV_PATH	"vdev_path"
+#define	FM_EREPORT_PAYLOAD_ZFS_VDEV_DEVID	"vdev_devid"
+#define	FM_EREPORT_PAYLOAD_ZFS_VDEV_FRU		"vdev_fru"
+#define	FM_EREPORT_PAYLOAD_ZFS_PARENT_GUID	"parent_guid"
+#define	FM_EREPORT_PAYLOAD_ZFS_PARENT_TYPE	"parent_type"
+#define	FM_EREPORT_PAYLOAD_ZFS_PARENT_PATH	"parent_path"
+#define	FM_EREPORT_PAYLOAD_ZFS_PARENT_DEVID	"parent_devid"
+#define	FM_EREPORT_PAYLOAD_ZFS_ZIO_OBJSET	"zio_objset"
+#define	FM_EREPORT_PAYLOAD_ZFS_ZIO_OBJECT	"zio_object"
+#define	FM_EREPORT_PAYLOAD_ZFS_ZIO_LEVEL	"zio_level"
+#define	FM_EREPORT_PAYLOAD_ZFS_ZIO_BLKID	"zio_blkid"
+#define	FM_EREPORT_PAYLOAD_ZFS_ZIO_ERR		"zio_err"
+#define	FM_EREPORT_PAYLOAD_ZFS_ZIO_OFFSET	"zio_offset"
+#define	FM_EREPORT_PAYLOAD_ZFS_ZIO_SIZE		"zio_size"
+#define	FM_EREPORT_PAYLOAD_ZFS_PREV_STATE	"prev_state"
+
+#define	FM_EREPORT_FAILMODE_WAIT		"wait"
+#define	FM_EREPORT_FAILMODE_CONTINUE		"continue"
+#define	FM_EREPORT_FAILMODE_PANIC		"panic"
+
+#define	FM_RESOURCE_REMOVED			"removed"
+#define	FM_RESOURCE_AUTOREPLACE			"autoreplace"
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _SYS_FM_FS_ZFS_H */
diff --git a/module/zfs/include/sys/fm/protocol.h b/module/zfs/include/sys/fm/protocol.h
new file mode 100644
index 000000000..767fb07d8
--- /dev/null
+++ b/module/zfs/include/sys/fm/protocol.h
@@ -0,0 +1,336 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef	_SYS_FM_PROTOCOL_H
+#define	_SYS_FM_PROTOCOL_H
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+#ifdef _KERNEL
+#include <sys/varargs.h>
+#include <sys/nvpair.h>
+#else
+#include <libnvpair.h>
+#include <stdarg.h>
+#endif
+#include <sys/processor.h>
+
+/* FM common member names */
+#define	FM_CLASS			"class"
+#define	FM_VERSION			"version"
+
+/* FM event class values */
+#define	FM_EREPORT_CLASS		"ereport"
+#define	FM_FAULT_CLASS			"fault"
+#define	FM_RSRC_CLASS			"resource"
+#define	FM_LIST_EVENT			"list"
+
+/* FM list.* event class values */
+#define	FM_LIST_SUSPECT_CLASS		FM_LIST_EVENT ".suspect"
+#define	FM_LIST_ISOLATED_CLASS		FM_LIST_EVENT ".isolated"
+#define	FM_LIST_REPAIRED_CLASS		FM_LIST_EVENT ".repaired"
+#define	FM_LIST_UPDATED_CLASS		FM_LIST_EVENT ".updated"
+#define	FM_LIST_RESOLVED_CLASS		FM_LIST_EVENT ".resolved"
+
+/* ereport class subcategory values */
+#define	FM_ERROR_CPU			"cpu"
+#define	FM_ERROR_IO			"io"
+
+/* ereport version and payload member names */
+#define	FM_EREPORT_VERS0		0
+#define	FM_EREPORT_VERSION		FM_EREPORT_VERS0
+
+/* ereport payload member names */
+#define	FM_EREPORT_DETECTOR		"detector"
+#define	FM_EREPORT_ENA			"ena"
+
+/* list.* event payload member names */
+#define	FM_LIST_EVENT_SIZE		"list-sz"
+
+/*
+ * list.suspect, isolated, updated, repaired and resolved
+ * versions/payload member names.
+ */
+#define	FM_SUSPECT_UUID			"uuid"
+#define	FM_SUSPECT_DIAG_CODE		"code"
+#define	FM_SUSPECT_DIAG_TIME		"diag-time"
+#define	FM_SUSPECT_DE			"de"
+#define	FM_SUSPECT_FAULT_LIST		"fault-list"
+#define	FM_SUSPECT_FAULT_SZ		"fault-list-sz"
+#define	FM_SUSPECT_FAULT_STATUS		"fault-status"
+#define	FM_SUSPECT_MESSAGE		"message"
+#define	FM_SUSPECT_RETIRE		"retire"
+#define	FM_SUSPECT_RESPONSE		"response"
+#define	FM_SUSPECT_SEVERITY		"severity"
+
+#define	FM_SUSPECT_VERS0		0
+#define	FM_SUSPECT_VERSION		FM_SUSPECT_VERS0
+
+#define	FM_SUSPECT_FAULTY		0x1
+#define	FM_SUSPECT_UNUSABLE		0x2
+#define	FM_SUSPECT_NOT_PRESENT		0x4
+#define	FM_SUSPECT_DEGRADED		0x8
+#define	FM_SUSPECT_REPAIRED		0x10
+#define	FM_SUSPECT_REPLACED		0x20
+#define	FM_SUSPECT_ACQUITTED		0x40
+
+/* fault event versions and payload member names */
+#define	FM_FAULT_VERS0			0
+#define	FM_FAULT_VERSION		FM_FAULT_VERS0
+
+#define	FM_FAULT_ASRU			"asru"
+#define	FM_FAULT_FRU			"fru"
+#define	FM_FAULT_FRU_LABEL		"fru-label"
+#define	FM_FAULT_CERTAINTY		"certainty"
+#define	FM_FAULT_RESOURCE		"resource"
+#define	FM_FAULT_LOCATION		"location"
+
+/* resource event versions and payload member names */
+#define	FM_RSRC_VERS0			0
+#define	FM_RSRC_VERSION			FM_RSRC_VERS0
+#define	FM_RSRC_RESOURCE		"resource"
+
+/* resource.fm.asru.* payload member names */
+#define	FM_RSRC_ASRU_UUID		"uuid"
+#define	FM_RSRC_ASRU_CODE		"code"
+#define	FM_RSRC_ASRU_FAULTY		"faulty"
+#define	FM_RSRC_ASRU_REPAIRED		"repaired"
+#define	FM_RSRC_ASRU_REPLACED		"replaced"
+#define	FM_RSRC_ASRU_ACQUITTED		"acquitted"
+#define	FM_RSRC_ASRU_UNUSABLE		"unusable"
+#define	FM_RSRC_ASRU_EVENT		"event"
+
+/* resource.fm.xprt.* versions and payload member names */
+#define	FM_RSRC_XPRT_VERS0		0
+#define	FM_RSRC_XPRT_VERSION		FM_RSRC_XPRT_VERS0
+#define	FM_RSRC_XPRT_UUID		"uuid"
+#define	FM_RSRC_XPRT_SUBCLASS		"subclass"
+#define	FM_RSRC_XPRT_FAULT_STATUS	"fault-status"
+#define	FM_RSRC_XPRT_FAULT_HAS_ASRU	"fault-has-asru"
+
+/*
+ * FM ENA Format Macros
+ */
+#define	ENA_FORMAT_MASK			0x3
+#define	ENA_FORMAT(ena)			((ena) & ENA_FORMAT_MASK)
+
+/* ENA format types */
+#define	FM_ENA_FMT0			0
+#define	FM_ENA_FMT1			1
+#define	FM_ENA_FMT2			2
+
+/* Format 1 */
+#define	ENA_FMT1_GEN_MASK		0x00000000000003FCull
+#define	ENA_FMT1_ID_MASK		0xFFFFFFFFFFFFFC00ull
+#define	ENA_FMT1_CPUID_MASK		0x00000000000FFC00ull
+#define	ENA_FMT1_TIME_MASK		0xFFFFFFFFFFF00000ull
+#define	ENA_FMT1_GEN_SHFT		2
+#define	ENA_FMT1_ID_SHFT		10
+#define	ENA_FMT1_CPUID_SHFT		ENA_FMT1_ID_SHFT
+#define	ENA_FMT1_TIME_SHFT		20
+
+/* Format 2 */
+#define	ENA_FMT2_GEN_MASK		0x00000000000003FCull
+#define	ENA_FMT2_ID_MASK		0xFFFFFFFFFFFFFC00ull
+#define	ENA_FMT2_TIME_MASK		ENA_FMT2_ID_MASK
+#define	ENA_FMT2_GEN_SHFT		2
+#define	ENA_FMT2_ID_SHFT		10
+#define	ENA_FMT2_TIME_SHFT		ENA_FMT2_ID_SHFT
+
+/* Common FMRI type names */
+#define	FM_FMRI_AUTHORITY		"authority"
+#define	FM_FMRI_SCHEME			"scheme"
+#define	FM_FMRI_SVC_AUTHORITY		"svc-authority"
+#define	FM_FMRI_FACILITY		"facility"
+
+/* FMRI authority-type member names */
+#define	FM_FMRI_AUTH_CHASSIS		"chassis-id"
+#define	FM_FMRI_AUTH_PRODUCT		"product-id"
+#define	FM_FMRI_AUTH_DOMAIN		"domain-id"
+#define	FM_FMRI_AUTH_SERVER		"server-id"
+#define	FM_FMRI_AUTH_HOST		"host-id"
+
+#define	FM_AUTH_VERS0			0
+#define	FM_FMRI_AUTH_VERSION		FM_AUTH_VERS0
+
+/* scheme name values */
+#define	FM_FMRI_SCHEME_FMD		"fmd"
+#define	FM_FMRI_SCHEME_DEV		"dev"
+#define	FM_FMRI_SCHEME_HC		"hc"
+#define	FM_FMRI_SCHEME_SVC		"svc"
+#define	FM_FMRI_SCHEME_CPU		"cpu"
+#define	FM_FMRI_SCHEME_MEM		"mem"
+#define	FM_FMRI_SCHEME_MOD		"mod"
+#define	FM_FMRI_SCHEME_PKG		"pkg"
+#define	FM_FMRI_SCHEME_LEGACY		"legacy-hc"
+#define	FM_FMRI_SCHEME_ZFS		"zfs"
+
+/* Scheme versions */
+#define	FMD_SCHEME_VERSION0		0
+#define	FM_FMD_SCHEME_VERSION		FMD_SCHEME_VERSION0
+#define	DEV_SCHEME_VERSION0		0
+#define	FM_DEV_SCHEME_VERSION		DEV_SCHEME_VERSION0
+#define	FM_HC_VERS0			0
+#define	FM_HC_SCHEME_VERSION		FM_HC_VERS0
+#define	CPU_SCHEME_VERSION0		0
+#define	CPU_SCHEME_VERSION1		1
+#define	FM_CPU_SCHEME_VERSION		CPU_SCHEME_VERSION1
+#define	MEM_SCHEME_VERSION0		0
+#define	FM_MEM_SCHEME_VERSION		MEM_SCHEME_VERSION0
+#define	MOD_SCHEME_VERSION0		0
+#define	FM_MOD_SCHEME_VERSION		MOD_SCHEME_VERSION0
+#define	PKG_SCHEME_VERSION0		0
+#define	FM_PKG_SCHEME_VERSION		PKG_SCHEME_VERSION0
+#define	LEGACY_SCHEME_VERSION0		0
+#define	FM_LEGACY_SCHEME_VERSION	LEGACY_SCHEME_VERSION0
+#define	SVC_SCHEME_VERSION0		0
+#define	FM_SVC_SCHEME_VERSION		SVC_SCHEME_VERSION0
+#define	ZFS_SCHEME_VERSION0		0
+#define	FM_ZFS_SCHEME_VERSION		ZFS_SCHEME_VERSION0
+
+/* hc scheme member names */
+#define	FM_FMRI_HC_SERIAL_ID		"serial"
+#define	FM_FMRI_HC_PART			"part"
+#define	FM_FMRI_HC_REVISION		"revision"
+#define	FM_FMRI_HC_ROOT			"hc-root"
+#define	FM_FMRI_HC_LIST_SZ		"hc-list-sz"
+#define	FM_FMRI_HC_LIST			"hc-list"
+#define	FM_FMRI_HC_SPECIFIC		"hc-specific"
+
+/* facility member names */
+#define	FM_FMRI_FACILITY_NAME		"facility-name"
+#define	FM_FMRI_FACILITY_TYPE		"facility-type"
+
+/* hc-list version and member names */
+#define	FM_FMRI_HC_NAME			"hc-name"
+#define	FM_FMRI_HC_ID			"hc-id"
+
+#define	HC_LIST_VERSION0		0
+#define	FM_HC_LIST_VERSION		HC_LIST_VERSION0
+
+/* hc-specific member names */
+#define	FM_FMRI_HC_SPECIFIC_OFFSET	"offset"
+#define	FM_FMRI_HC_SPECIFIC_PHYSADDR	"physaddr"
+
+/* fmd module scheme member names */
+#define	FM_FMRI_FMD_NAME		"mod-name"
+#define	FM_FMRI_FMD_VERSION		"mod-version"
+
+/* dev scheme member names */
+#define	FM_FMRI_DEV_ID			"devid"
+#define	FM_FMRI_DEV_PATH		"device-path"
+
+/* pkg scheme member names */
+#define	FM_FMRI_PKG_BASEDIR		"pkg-basedir"
+#define	FM_FMRI_PKG_INST		"pkg-inst"
+#define	FM_FMRI_PKG_VERSION		"pkg-version"
+
+/* svc scheme member names */
+#define	FM_FMRI_SVC_NAME		"svc-name"
+#define	FM_FMRI_SVC_INSTANCE		"svc-instance"
+#define	FM_FMRI_SVC_CONTRACT_ID		"svc-contract-id"
+
+/* svc-authority member names */
+#define	FM_FMRI_SVC_AUTH_SCOPE		"scope"
+#define	FM_FMRI_SVC_AUTH_SYSTEM_FQN	"system-fqn"
+
+/* cpu scheme member names */
+#define	FM_FMRI_CPU_ID			"cpuid"
+#define	FM_FMRI_CPU_SERIAL_ID		"serial"
+#define	FM_FMRI_CPU_MASK		"cpumask"
+#define	FM_FMRI_CPU_VID			"cpuvid"
+#define	FM_FMRI_CPU_CPUFRU		"cpufru"
+#define	FM_FMRI_CPU_CACHE_INDEX		"cacheindex"
+#define	FM_FMRI_CPU_CACHE_WAY		"cacheway"
+#define	FM_FMRI_CPU_CACHE_BIT		"cachebit"
+#define	FM_FMRI_CPU_CACHE_TYPE		"cachetype"
+
+#define	FM_FMRI_CPU_CACHE_TYPE_L2	0
+#define	FM_FMRI_CPU_CACHE_TYPE_L3	1
+
+/* legacy-hc scheme member names */
+#define	FM_FMRI_LEGACY_HC		"component"
+#define	FM_FMRI_LEGACY_HC_PREFIX	FM_FMRI_SCHEME_HC":///" \
+    FM_FMRI_LEGACY_HC"="
+
+/* mem scheme member names */
+#define	FM_FMRI_MEM_UNUM		"unum"
+#define	FM_FMRI_MEM_SERIAL_ID		"serial"
+#define	FM_FMRI_MEM_PHYSADDR		"physaddr"
+#define	FM_FMRI_MEM_MEMCONFIG		"memconfig"
+#define	FM_FMRI_MEM_OFFSET		"offset"
+
+/* mod scheme member names */
+#define	FM_FMRI_MOD_PKG			"mod-pkg"
+#define	FM_FMRI_MOD_NAME		"mod-name"
+#define	FM_FMRI_MOD_ID			"mod-id"
+#define	FM_FMRI_MOD_DESC		"mod-desc"
+
+/* zfs scheme member names */
+#define	FM_FMRI_ZFS_POOL		"pool"
+#define	FM_FMRI_ZFS_VDEV		"vdev"
+
+extern nv_alloc_t *fm_nva_xcreate(char *, size_t);
+extern void fm_nva_xdestroy(nv_alloc_t *);
+
+extern nvlist_t *fm_nvlist_create(nv_alloc_t *);
+extern void fm_nvlist_destroy(nvlist_t *, int);
+
+#define	FM_NVA_FREE	0		/* free allocator on nvlist_destroy */
+#define	FM_NVA_RETAIN	1		/* keep allocator on nvlist_destroy */
+
+extern void fm_ereport_set(nvlist_t *, int, const char *, uint64_t,
+    const nvlist_t *, ...);
+extern void fm_payload_set(nvlist_t *, ...);
+extern int i_fm_payload_set(nvlist_t *, const char *, va_list);
+extern void fm_fmri_hc_set(nvlist_t *, int, const nvlist_t *, nvlist_t *,
+    int, ...);
+extern void fm_fmri_dev_set(nvlist_t *, int, const nvlist_t *, const char *,
+    const char *);
+extern void fm_fmri_de_set(nvlist_t *, int, const nvlist_t *, const char *);
+extern void fm_fmri_cpu_set(nvlist_t *, int, const nvlist_t *, uint32_t,
+    uint8_t *, const char *);
+extern void fm_fmri_mem_set(nvlist_t *, int, const nvlist_t *, const char *,
+    const char *, uint64_t);
+extern void fm_authority_set(nvlist_t *, int, const char *, const char *,
+    const char *, const char *);
+extern void fm_fmri_zfs_set(nvlist_t *, int, uint64_t, uint64_t);
+
+extern uint64_t fm_ena_increment(uint64_t);
+extern uint64_t fm_ena_generate(uint64_t, uchar_t);
+extern uint64_t fm_ena_generate_cpu(uint64_t, processorid_t, uchar_t);
+extern uint64_t fm_ena_generation_get(uint64_t);
+extern uchar_t fm_ena_format_get(uint64_t);
+extern uint64_t fm_ena_id_get(uint64_t);
+extern uint64_t fm_ena_time_get(uint64_t);
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif /* _SYS_FM_PROTOCOL_H */
diff --git a/module/zfs/include/sys/fm/util.h b/module/zfs/include/sys/fm/util.h
new file mode 100644
index 000000000..4934814d8
--- /dev/null
+++ b/module/zfs/include/sys/fm/util.h
@@ -0,0 +1,105 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef	_SYS_FM_UTIL_H
+#define	_SYS_FM_UTIL_H
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+#include <sys/nvpair.h>
+#include <sys/errorq.h>
+
+/*
+ * Shared user/kernel definitions for class length, error channel name,
+ * and kernel event publisher string.
+ */
+#define	FM_MAX_CLASS 100
+#define	FM_ERROR_CHAN	"com.sun:fm:error"
+#define	FM_PUB		"fm"
+
+/*
+ * ereport dump device transport support
+ *
+ * Ereports are written out to the dump device at a proscribed offset from the
+ * end, similar to in-transit log messages.  The ereports are represented as a
+ * erpt_dump_t header followed by ed_size bytes of packed native nvlist data.
+ *
+ * NOTE: All of these constants and the header must be defined so they have the
+ * same representation for *both* 32-bit and 64-bit producers and consumers.
+ */
+#define	ERPT_MAGIC	0xf00d4eddU
+#define	ERPT_MAX_ERRS	16
+#define	ERPT_DATA_SZ	(6 * 1024)
+#define	ERPT_EVCH_MAX	256
+#define	ERPT_HIWAT	64
+
+typedef struct erpt_dump {
+	uint32_t ed_magic;	/* ERPT_MAGIC or zero to indicate end */
+	uint32_t ed_chksum;	/* checksum32() of packed nvlist data */
+	uint32_t ed_size;	/* ereport (nvl) fixed buf size */
+	uint32_t ed_pad;	/* reserved for future use */
+	hrtime_t ed_hrt_nsec;	/* hrtime of this ereport */
+	hrtime_t ed_hrt_base;	/* hrtime sample corresponding to ed_tod_base */
+	struct {
+		uint64_t sec;	/* seconds since gettimeofday() Epoch */
+		uint64_t nsec;	/* nanoseconds past ed_tod_base.sec */
+	} ed_tod_base;
+} erpt_dump_t;
+
+#ifdef _KERNEL
+#include <sys/systm.h>
+
+#define	FM_STK_DEPTH	20	/* maximum stack depth */
+#define	FM_SYM_SZ	64	/* maximum symbol size */
+#define	FM_ERR_PIL	2	/* PIL for ereport_errorq drain processing */
+
+#define	FM_EREPORT_PAYLOAD_NAME_STACK		"stack"
+
+extern errorq_t *ereport_errorq;
+extern void *ereport_dumpbuf;
+extern size_t ereport_dumplen;
+
+extern void fm_init(void);
+extern void fm_nvprint(nvlist_t *);
+extern void fm_panic(const char *, ...);
+extern void fm_banner(void);
+
+extern void fm_ereport_dump(void);
+extern void fm_ereport_post(nvlist_t *, int);
+
+extern void fm_payload_stack_add(nvlist_t *, const pc_t *, int);
+
+#endif  /* _KERNEL */
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif /* _SYS_FM_UTIL_H */