xref: /titanic_44/usr/src/uts/i86xpv/sys/balloon.h (revision 843e19887f64dde75055cf8842fc4db2171eff45)
1*843e1988Sjohnlev /*
2*843e1988Sjohnlev  * CDDL HEADER START
3*843e1988Sjohnlev  *
4*843e1988Sjohnlev  * The contents of this file are subject to the terms of the
5*843e1988Sjohnlev  * Common Development and Distribution License (the "License").
6*843e1988Sjohnlev  * You may not use this file except in compliance with the License.
7*843e1988Sjohnlev  *
8*843e1988Sjohnlev  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*843e1988Sjohnlev  * or http://www.opensolaris.org/os/licensing.
10*843e1988Sjohnlev  * See the License for the specific language governing permissions
11*843e1988Sjohnlev  * and limitations under the License.
12*843e1988Sjohnlev  *
13*843e1988Sjohnlev  * When distributing Covered Code, include this CDDL HEADER in each
14*843e1988Sjohnlev  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*843e1988Sjohnlev  * If applicable, add the following below this CDDL HEADER, with the
16*843e1988Sjohnlev  * fields enclosed by brackets "[]" replaced with your own identifying
17*843e1988Sjohnlev  * information: Portions Copyright [yyyy] [name of copyright owner]
18*843e1988Sjohnlev  *
19*843e1988Sjohnlev  * CDDL HEADER END
20*843e1988Sjohnlev  */
21*843e1988Sjohnlev 
22*843e1988Sjohnlev /*
23*843e1988Sjohnlev  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
24*843e1988Sjohnlev  * Use is subject to license terms.
25*843e1988Sjohnlev  */
26*843e1988Sjohnlev 
27*843e1988Sjohnlev #ifndef _SYS_BALLOON_H
28*843e1988Sjohnlev #define	_SYS_BALLOON_H
29*843e1988Sjohnlev 
30*843e1988Sjohnlev #pragma ident	"%Z%%M%	%I%	%E% SMI"
31*843e1988Sjohnlev 
32*843e1988Sjohnlev #ifdef __cplusplus
33*843e1988Sjohnlev extern "C" {
34*843e1988Sjohnlev #endif
35*843e1988Sjohnlev 
36*843e1988Sjohnlev #define	BALLOON_DEV_NAME	"balloon"
37*843e1988Sjohnlev #define	BALLOON_PATHNAME	"xen/" BALLOON_DEV_NAME
38*843e1988Sjohnlev 
39*843e1988Sjohnlev #define	BALLOON_DRIVER_NAME	"balloon"
40*843e1988Sjohnlev 
41*843e1988Sjohnlev #define	BLN_IOCTL_BASE		('B' << 24) | ('A' << 16)
42*843e1988Sjohnlev 
43*843e1988Sjohnlev /*
44*843e1988Sjohnlev  * To return the desired value.  These defines are copied in balloon.py
45*843e1988Sjohnlev  * in the hypervisor gate, so woe befall anyone who changes these.
46*843e1988Sjohnlev  */
47*843e1988Sjohnlev #define	BLN_IOCTL_CURRENT	(BLN_IOCTL_BASE | 0x1)
48*843e1988Sjohnlev #define	BLN_IOCTL_TARGET	(BLN_IOCTL_BASE | 0x2)
49*843e1988Sjohnlev #define	BLN_IOCTL_LOW		(BLN_IOCTL_BASE | 0x3)
50*843e1988Sjohnlev #define	BLN_IOCTL_HIGH		(BLN_IOCTL_BASE | 0x4)
51*843e1988Sjohnlev #define	BLN_IOCTL_LIMIT		(BLN_IOCTL_BASE | 0x5)
52*843e1988Sjohnlev 
53*843e1988Sjohnlev #ifdef __cplusplus
54*843e1988Sjohnlev }
55*843e1988Sjohnlev #endif
56*843e1988Sjohnlev 
57*843e1988Sjohnlev #endif /* _SYS_BALLOON_H */
58