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