/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (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 2007 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _SYS_CTFS_H
#define _SYS_CTFS_H

#include <sys/contract.h>

#ifdef  __cplusplus
extern "C" {
#endif

/*
 * Location of the contract filesystem.
 */
#define CTFS_ROOT       "/system/contract"

/*
 * CTFS ioctl constants
 */
#define CTFS_PREFIX     ('c' << 24 | 't' << 16)
#define CTFS_IOC(x, y)  (CTFS_PREFIX | (x) << 8 | (y))

/*
 * Control codes for messages written to template files.
 */
#define CTFS_TMPL(x)    CTFS_IOC('t', x)
#define CT_TACTIVATE    CTFS_TMPL(0)    /* Activate template */
#define CT_TCLEAR       CTFS_TMPL(1)    /* Clear active template */
#define CT_TCREATE      CTFS_TMPL(2)    /* Create contract from template */
#define CT_TSET         CTFS_TMPL(3)    /* Set parameter */
#define CT_TGET         CTFS_TMPL(4)    /* Get parameter */

/*
 * Control codes for messages written to ctl files.
 */
#define CTFS_CTL(x)     CTFS_IOC('c', x)
#define CT_CABANDON     CTFS_CTL(0)     /* Abandon contract */
#define CT_CACK         CTFS_CTL(1)     /* Ack a message */
#define CT_CQREQ        CTFS_CTL(2)     /* Request an additional quantum */
#define CT_CADOPT       CTFS_CTL(3)     /* Adopt a contract */
#define CT_CNEWCT       CTFS_CTL(4)     /* Define new contract */
#define CT_CNACK        CTFS_CTL(5)     /* nack a negotiation */

/*
 * Control codes for messages written to status files.
 */
#define CTFS_STAT(x)    CTFS_IOC('s', x)
#define CT_SSTATUS      CTFS_STAT(0)    /* Obtain contract status */

/*
 * Control codes for messages written to event endpoints.
 */
#define CTFS_EVT(x)     CTFS_IOC('e', x)
#define CT_ERESET       CTFS_EVT(0)     /* Reset event queue pointer */
#define CT_ERECV        CTFS_EVT(1)     /* Read next event */
#define CT_ECRECV       CTFS_EVT(2)     /* Read next critical event */
#define CT_ENEXT        CTFS_EVT(3)     /* Skip current event */
#define CT_ERELIABLE    CTFS_EVT(4)     /* Request reliable event receipt */

#ifdef  __cplusplus
}
#endif

#endif  /* _SYS_CTFS_H */