commit a87e0bd5d66b8b1dab509a403936ec542853cc1e
Author: Andriy Gapon <avg@icyb.net.ua>
Date:   Sat May 28 23:58:38 2011 +0300

    implement printing of type 19/DATA_TYPE_NVLIST in osol log_sysevent

diff --git a/sys/cddl/compat/opensolaris/kern/opensolaris_sysevent.c b/sys/cddl/compat/opensolaris/kern/opensolaris_sysevent.c
index c6ae497..01d42ec 100644
--- a/sys/cddl/compat/opensolaris/kern/opensolaris_sysevent.c
+++ b/sys/cddl/compat/opensolaris/kern/opensolaris_sysevent.c
@@ -159,26 +159,15 @@ sysevent_detach_attributes(sysevent_t *evp)
 	ev->se_nvl = NULL;
 }
 
-int
-log_sysevent(sysevent_t *evp, int flag, sysevent_id_t *eid)
+static void
+print_nvlist_sbuf(nvlist_t *nvl, struct sbuf *sb, const char **type)
 {
-	struct sysevent *ev = (struct sysevent *)evp;
-	struct sbuf *sb;
-	const char *type;
-	char typestr[128];
 	nvpair_t *elem = NULL;
 
-	ASSERT(evp != NULL);
-	ASSERT(ev->se_nvl != NULL);
-	ASSERT(flag == SE_SLEEP);
-	ASSERT(eid != NULL);
+	if (type != NULL)
+		*type = NULL;
 
-	sb = sbuf_new_auto();
-	if (sb == NULL)
-		return (SE_ENOMEM);
-	type = NULL;
-
-	while ((elem = nvlist_next_nvpair(ev->se_nvl, elem)) != NULL) {
+	while ((elem = nvlist_next_nvpair(nvl, elem)) != NULL) {
 		switch (nvpair_type(elem)) {
 		case DATA_TYPE_BOOLEAN:
 		    {
@@ -239,13 +228,24 @@ log_sysevent(sysevent_t *evp, int flag, sysevent_id_t *eid)
 
 			(void) nvpair_value_string(elem, &value);
 			sbuf_printf(sb, " %s=%s", nvpair_name(elem), value);
-			if (strcmp(FM_CLASS, nvpair_name(elem)) == 0)
-				type = value;
+			if (type != NULL &&
+			    strcmp(FM_CLASS, nvpair_name(elem)) == 0)
+				*type = value;
+			break;
+		    }
+		case DATA_TYPE_NVLIST:
+		    {
+			nvlist_t *value;
+
+			(void) nvpair_value_nvlist(elem, &value);
+			sbuf_printf(sb, " %s=[", nvpair_name(elem));
+			print_nvlist_sbuf(value, sb, NULL);
+			sbuf_printf(sb, "]");
 			break;
 		    }
 		case DATA_TYPE_UINT8_ARRAY:
 		    {
-		    	uint8_t *value;
+			uint8_t *value;
 			uint_t ii, nelem;
 
 			(void) nvpair_value_uint8_array(elem, &value, &nelem);
@@ -256,7 +256,7 @@ log_sysevent(sysevent_t *evp, int flag, sysevent_id_t *eid)
 		    }
 		case DATA_TYPE_UINT16_ARRAY:
 		    {
-		    	uint16_t *value;
+			uint16_t *value;
 			uint_t ii, nelem;
 
 			(void) nvpair_value_uint16_array(elem, &value, &nelem);
@@ -267,7 +267,7 @@ log_sysevent(sysevent_t *evp, int flag, sysevent_id_t *eid)
 		    }
 		case DATA_TYPE_UINT32_ARRAY:
 		    {
-		    	uint32_t *value;
+			uint32_t *value;
 			uint_t ii, nelem;
 
 			(void) nvpair_value_uint32_array(elem, &value, &nelem);
@@ -278,7 +278,7 @@ log_sysevent(sysevent_t *evp, int flag, sysevent_id_t *eid)
 		    }
 		case DATA_TYPE_UINT64_ARRAY:
 		    {
-		    	uint64_t *value;
+			uint64_t *value;
 			uint_t ii, nelem;
 
 			(void) nvpair_value_uint64_array(elem, &value, &nelem);
@@ -295,6 +295,26 @@ log_sysevent(sysevent_t *evp, int flag, sysevent_id_t *eid)
 			break;
 		}
 	}
+}
+
+int
+log_sysevent(sysevent_t *evp, int flag, sysevent_id_t *eid)
+{
+	struct sysevent *ev = (struct sysevent *)evp;
+	struct sbuf *sb;
+	const char *type;
+	char typestr[128];
+
+	ASSERT(evp != NULL);
+	ASSERT(ev->se_nvl != NULL);
+	ASSERT(flag == SE_SLEEP);
+	ASSERT(eid != NULL);
+
+	sb = sbuf_new_auto();
+	if (sb == NULL)
+		return (SE_ENOMEM);
+
+	print_nvlist_sbuf(ev->se_nvl, sb, &type);
 
 	if (sbuf_finish(sb) != 0) {
 		sbuf_delete(sb);