From e2abcdca396661cbe0ae2ddb13d5c2b85682c13a Mon Sep 17 00:00:00 2001
From: Cem Keylan <cem@ckyln.com>
Date: Fri, 16 Oct 2020 17:41:25 +0300
Subject: initial commit

---
 sys/sys/swap.h | 62 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 sys/sys/swap.h

(limited to 'sys/sys/swap.h')

diff --git a/sys/sys/swap.h b/sys/sys/swap.h
new file mode 100644
index 0000000..ad7b442
--- /dev/null
+++ b/sys/sys/swap.h
@@ -0,0 +1,62 @@
+/*	$OpenBSD: swap.h,v 1.7 2013/09/30 12:02:30 millert Exp $	*/
+/*	$NetBSD: swap.h,v 1.2 1998/09/13 14:46:24 christos Exp $	*/
+
+/*
+ * Copyright (c) 1995, 1996, 1998 Matthew R. Green, Tobias Weingartner
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _SYS_SWAP_H_
+#define _SYS_SWAP_H_
+
+#include <sys/syslimits.h>
+
+/* These structures are used to return swap information for userland */
+struct swapent {
+	dev_t	se_dev;			/* device id */
+	int	se_flags;		/* flags */
+	int	se_nblks;		/* total blocks */
+	int	se_inuse;		/* blocks in use */
+	int	se_priority;		/* priority of this device */
+	char	se_path[PATH_MAX];	/* path name */
+};
+
+#ifdef _KERNEL
+#define	NETDEV		(dev_t)(-2)	/* network device (for nfs swap) */
+#endif /* _KERNEL */
+
+#define SWAP_ON		1		/* begin swapping on device */
+#define SWAP_OFF	2		/* (stop swapping on device) */
+#define SWAP_NSWAP	3		/* how many swap devices ? */
+#define SWAP_STATS	4		/* get device info */
+#define SWAP_CTL	5		/* change priority on device */
+#define SWAP_DUMPDEV 	7		/* use this device as dump device */
+
+#define SWF_INUSE	0x00000001	/* in use: we have swapped here */
+#define SWF_ENABLE	0x00000002	/* enabled: we can swap here */
+#define SWF_BUSY	0x00000004	/* busy: I/O happening here */
+#define SWF_FAKE	0x00000008	/* fake: still being built */
+
+#endif /* _SYS_SWAP_H_ */
-- 
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