1 files changed, 87 insertions, 0 deletions
diff --git a/sys/cddl/compat/opensolaris/sys/dkio.h b/sys/cddl/compat/opensolaris/sys/dkio.h
new file mode 100644
index 000000000000..a365c335c421
--- /dev/null
+++ b/sys/cddl/compat/opensolaris/sys/dkio.h
@@ -0,0 +1,87 @@
+/*
+ * 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
+ *
+ * $FreeBSD$
+ */
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef _OPENSOLARIS_SYS_DKIO_H_
+#define	_OPENSOLARIS_SYS_DKIO_H_
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+/*
+ * Disk io control commands
+ * Warning: some other ioctls with the DIOC prefix exist elsewhere.
+ * The Generic DKIOC numbers are from	0   -  50.
+ *	The Floppy Driver uses		51  - 100.
+ *	The Hard Disk (except SCSI)	101 - 106.	(these are obsolete)
+ *	The CDROM Driver		151 - 200.
+ *	The USCSI ioctl			201 - 250.
+ */
+#define	DKIOC		(0x04 << 8)
+
+/*
+ * The following ioctls are generic in nature and need to be
+ * suported as appropriate by all disk drivers
+ */
+#define	DKIOCGGEOM	(DKIOC|1)		/* Get geometry */
+#define	DKIOCINFO	(DKIOC|3)		/* Get info */
+#define	DKIOCEJECT	(DKIOC|6)		/* Generic 'eject' */
+#define	DKIOCGVTOC	(DKIOC|11)		/* Get VTOC */
+#define	DKIOCSVTOC	(DKIOC|12)		/* Set VTOC & Write to Disk */
+
+/*
+ * Disk Cache Controls.  These ioctls should be supported by
+ * all disk drivers.
+ *
+ * DKIOCFLUSHWRITECACHE when used from user-mode ignores the ioctl
+ * argument, but it should be passed as NULL to allow for future
+ * reinterpretation.  From user-mode, this ioctl request is synchronous.
+ *
+ * When invoked from within the kernel, the arg can be NULL to indicate
+ * a synchronous request or can be the address of a struct dk_callback
+ * to request an asynchronous callback when the flush request is complete.
+ * In this case, the flag to the ioctl must include FKIOCTL and the
+ * dkc_callback field of the pointed to struct must be non-null or the
+ * request is made synchronously.
+ *
+ * In the callback case: if the ioctl returns 0, a callback WILL be performed.
+ * If the ioctl returns non-zero, a callback will NOT be performed.
+ * NOTE: In some cases, the callback may be done BEFORE the ioctl call
+ * returns.  The caller's locking strategy should be prepared for this case.
+ */
+#define	DKIOCFLUSHWRITECACHE	(DKIOC|34)	/* flush cache to phys medium */
+
+struct dk_callback {
+	void (*dkc_callback)(void *dkc_cookie, int error);
+	void *dkc_cookie;
+};
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif /* _OPENSOLARIS_SYS_DKIO_H_ */