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 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _SYS_ZCONS_H 27 #define _SYS_ZCONS_H 28 29 #include <sys/types.h> 30 31 #ifdef __cplusplus 32 extern "C" { 33 #endif 34 35 /* 36 * Minor node name of the global zone side (often called the "master" side) 37 * of the zcons driver. 38 */ 39 #define ZCONS_MASTER_NAME "masterconsole" 40 41 /* 42 * Minor node name of the non-global zone side (often called the "slave" 43 * side) of the zcons driver. We name it "zoneconsole" since that nameo 44 * will show up in 'ps' output, and will make some sense to the global zone 45 * user. Inside the zone, it will simply show up as "console" due to the 46 * links we create. 47 */ 48 #define ZCONS_SLAVE_NAME "zoneconsole" 49 50 /* 51 * ZC_IOC forms the base for all zcons ioctls. 52 */ 53 #define ZC_IOC (('Z' << 24) | ('o' << 16) | ('n' << 8)) 54 55 /* 56 * These ioctls instruct the master side of the console to hold or release 57 * a reference to the slave side's vnode. They are meant to be issued by 58 * zoneadmd after the console device node is created and before it is destroyed 59 * so that the slave's STREAMS anchor, ptem, is preserved when ttymon starts 60 * popping STREAMS modules from within the associated zone. This guarantees 61 * that the zone slave console will always have terminal semantics while the 62 * zone is running. 63 * 64 * A more detailed description can be found in uts/common/io/zcons.c. 65 */ 66 #define ZC_HOLDSLAVE (ZC_IOC | 0) /* get and save slave side reference */ 67 #define ZC_RELEASESLAVE (ZC_IOC | 1) /* release slave side reference */ 68 69 #ifdef __cplusplus 70 } 71 #endif 72 73 #endif /* _SYS_ZCONS_H */ 74