1 files changed, 63 insertions, 0 deletions
diff --git a/usr/src/uts/common/sys/zfd.h b/usr/src/uts/common/sys/zfd.h
new file mode 100644
index 0000000000..acf9ce8d33
--- /dev/null
+++ b/usr/src/uts/common/sys/zfd.h
@@ -0,0 +1,63 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+/*
+ * Copyright 2015 Joyent, Inc.
+ */
+
+#ifndef _SYS_ZFD_H
+#define	_SYS_ZFD_H
+
+#include <sys/types.h>
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+/*
+ * Minor node name of the global zone side (often called the "master" side)
+ * of the zfd dev.
+ */
+#define	ZFD_MASTER_NAME	"master"
+
+/*
+ * Minor node name of the non-global zone side (often called the "slave"
+ * side) of the zfd dev.
+ */
+#define	ZFD_SLAVE_NAME	"slave"
+
+#define	ZFD_NAME_LEN	16
+
+/*
+ * ZFD_IOC forms the base for all zfd ioctls.
+ */
+#define	ZFD_IOC		(('Z' << 24) | ('f' << 16) | ('d' << 8))
+
+/*
+ * This ioctl tells the slave side it should push the TTY stream modules
+ * so that the fd looks like a tty.
+ */
+#define	ZFD_MAKETTY		(ZFD_IOC | 0)
+
+/*
+ * This ioctl puts a hangup into the stream so that the slave side sees EOF.
+ */
+#define	ZFD_EOF			(ZFD_IOC | 1)
+
+/*
+ * This ioctl succeeds if the slave side is open.
+ */
+#define	ZFD_HAS_SLAVE		(ZFD_IOC | 2)
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _SYS_ZFD_H */