usr/src/uts/common/sys/ctfs.h

   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 2007 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25
  26 #ifndef _SYS_CTFS_H
  27 #define _SYS_CTFS_H
  28
  29 #pragma ident   "%Z%%M% %I%     %E% SMI"
  30
  31 #include <sys/contract.h>
  32
  33 #ifdef  __cplusplus
  34 extern "C" {
  35 #endif
  36
  37 /*
  38  * Location of the contract filesystem.
  39  */
  40 #define CTFS_ROOT       "/system/contract"
  41
  42 /*
  43  * CTFS ioctl constants
  44  */
  45 #define CTFS_PREFIX     ('c' << 24 | 't' << 16)
  46 #define CTFS_IOC(x, y)  (CTFS_PREFIX | (x) << 8 | (y))
  47
  48 /*
  49  * Control codes for messages written to template files.
  50  */
  51 #define CTFS_TMPL(x)    CTFS_IOC('t', x)
  52 #define CT_TACTIVATE    CTFS_TMPL(0)    /* Activate template */
  53 #define CT_TCLEAR       CTFS_TMPL(1)    /* Clear active template */
  54 #define CT_TCREATE      CTFS_TMPL(2)    /* Create contract from template */
  55 #define CT_TSET         CTFS_TMPL(3)    /* Set parameter */
  56 #define CT_TGET         CTFS_TMPL(4)    /* Get parameter */
  57
  58 /*
  59  * Control codes for messages written to ctl files.
  60  */
  61 #define CTFS_CTL(x)     CTFS_IOC('c', x)
  62 #define CT_CABANDON     CTFS_CTL(0)     /* Abandon contract */
  63 #define CT_CACK         CTFS_CTL(1)     /* Ack a message */
  64 #define CT_CQREQ        CTFS_CTL(2)     /* Request an additional quantum */
  65 #define CT_CADOPT       CTFS_CTL(3)     /* Adopt a contract */
  66 #define CT_CNEWCT       CTFS_CTL(4)     /* Define new contract */
  67 #define CT_CNACK        CTFS_CTL(5)     /* nack a negotiation */
  68
  69 /*
  70  * Control codes for messages written to status files.
  71  */
  72 #define CTFS_STAT(x)    CTFS_IOC('s', x)
  73 #define CT_SSTATUS      CTFS_STAT(0)    /* Obtain contract status */
  74
  75 /*
  76  * Control codes for messages written to event endpoints.
  77  */
  78 #define CTFS_EVT(x)     CTFS_IOC('e', x)
  79 #define CT_ERESET       CTFS_EVT(0)     /* Reset event queue pointer */
  80 #define CT_ERECV        CTFS_EVT(1)     /* Read next event */
  81 #define CT_ECRECV       CTFS_EVT(2)     /* Read next critical event */
  82 #define CT_ENEXT        CTFS_EVT(3)     /* Skip current event */
  83 #define CT_ERELIABLE    CTFS_EVT(4)     /* Request reliable event receipt */
  84
  85 #ifdef  __cplusplus
  86 }
  87 #endif
  88
  89 #endif  /* _SYS_CTFS_H */