Update ZTS to work on FreeBSD

Update the common ZTS scripts and individual test cases as needed 
in order to allow them to be run on FreeBSD.  The high level goal
is to provide compatibility wrappers whenever possible to minimize
changes to individual test cases.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Signed-off-by: Matt Macy <mmacy@FreeBSD.org>
Signed-off-by: Ryan Moeller <ryan@ixsystems.com>
Closes #9692

tests/zfs-tests/tests/functional/cli_user/misc/misc.cfg

@@ -54,6 +54,32 @@ if is_linux; then
 		off		/tmp/zfstest	100M		off \
 		512		10m		off		 \
 		hidden"
+elif is_freebsd; then
+	PROP_NAMES="\
+		acltype		atime		 \
+		checksum	compression			devices \
+		exec		mountpoint	quota		readonly \
+		recordsize	reservation	setuid		 \
+		snapdir"
+
+	# these are a set of values we apply, for use when testing the
+	# zfs get/set subcommands - ordered as per the list above so we
+	# can iterate over both sets in an array
+	PROP_VALS="\
+		posixacl	on		 \
+		fletcher2	on				on \
+		on		legacy		none		on \
+		128K		none		on		 \
+		visible"
+
+	# these are an alternate set of property values
+	PROP_ALTVALS="\
+		noacl		off		 \
+		fletcher4	lzjb				off \
+		off		/tmp/zfstest	100M		off \
+		512		10m		off		 \
+		hidden"
+
 else
 	# these are the set of setable ZFS properties
 	PROP_NAMES="\

tests/zfs-tests/tests/functional/cli_user/misc/zfs_share_001_neg.ksh

@@ -45,7 +45,7 @@
 
 verify_runnable "global"
 
-if is_linux; then
+if is_linux || is_freebsd; then
 	log_unsupported "Requires additional dependencies"
 fi
 

tests/zfs-tests/tests/functional/cli_user/misc/zfs_unshare_001_neg.ksh

@@ -45,7 +45,7 @@
 
 verify_runnable "global"
 
-if is_linux; then
+if is_linux || is_freebsd; then
 	log_unsupported "Requires additional dependencies"
 fi