/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License, Version 1.0 only * (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 */ /* * Copyright (c) 2001 by Sun Microsystems, Inc. * All rights reserved. */ #ifndef _TTYMUX_RCM_IMPL_H #define _TTYMUX_RCM_IMPL_H #pragma ident "%Z%%M% %I% %E% SMI" #ifdef __cplusplus extern "C" { #endif #ifndef lint #define _(x) gettext(x) #else #define _(x) x #endif #define UNKNOWN 1 /* flags */ #define PRESENT 2 /* flags */ #define REGISTERED 4 /* flags */ #define CONNECTED 8 /* flags */ #define DISCONNECTED 0x10 /* flags */ /* RCM operations */ #define TTYMUX_OFFLINE 1 #define TTYMUX_ONLINE 2 #define TTYMUX_REMOVE 3 #define TTYMUX_SUSPEND 4 #define TTYMUX_RESUME 5 /* * Representation of a resource. * All resources are placed in a cache structured as a doubly linked list * (ie the next and prev fields). * The dependencies list identifies which resources this resource is * depending upon. */ typedef struct rsrc { char *id; dev_t dev; int flags; struct rsrc *next; struct rsrc *prev; struct link *dependencies; } rsrc_t; /* * Representation of a pair of resources participating in a * dependency relationship * The dependency is cast in terms of a resource that is using * another resource in order to provide a service. * This structure is used to represent a ttymux minor node that * has another serial device multiplexed under it. In this * case user resource would correspond to the ttymux minor node and the * the used resource would correspond to the multiplexed serial device. * The linkid field refers to the STREAM's link identifier. */ typedef struct link { rsrc_t *user; /* the using resource */ rsrc_t *used; /* the used resource */ int linkid; /* STREAM's link identifier */ uint_t state; int flags; int (*connect)(struct link *); int (*disconnect)(struct link *); struct link *next; } link_t; #define MUXCTLLINK "/devices/multiplexer@0,0:ctl" #define MUXCONLINK "/devices/multiplexer@0,0:con" #ifdef __cplusplus } #endif #endif /* _TTYMUX_RCM_IMPL_H */