The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/sys/drvctlio.h

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    1 /* $NetBSD: drvctlio.h,v 1.3 2006/09/22 04:37:37 thorpej Exp $ */
    2 
    3 /*-
    4  * Copyright (c) 2006 The NetBSD Foundation, Inc.
    5  * All rights reserved.
    6  *
    7  * This code is derived from software contributed to The NetBSD Foundation
    8  * by Jason R. Thorpe.
    9  *
   10  * Redistribution and use in source and binary forms, with or without
   11  * modification, are permitted provided that the following conditions
   12  * are met:
   13  * 1. Redistributions of source code must retain the above copyright
   14  *    notice, this list of conditions and the following disclaimer.
   15  * 2. Redistributions in binary form must reproduce the above copyright
   16  *    notice, this list of conditions and the following disclaimer in the
   17  *    documentation and/or other materials provided with the distribution.
   18  * 3. All advertising materials mentioning features or use of this software
   19  *    must display the following acknowledgement:
   20  *      This product includes software developed by the NetBSD
   21  *      Foundation, Inc. and its contributors.
   22  * 4. Neither the name of The NetBSD Foundation nor the names of its
   23  *    contributors may be used to endorse or promote products derived
   24  *    from this software without specific prior written permission.
   25  *
   26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   36  * POSSIBILITY OF SUCH DAMAGE.
   37  */
   38 
   39 /* This interface is experimental and may change. */
   40 
   41 #ifndef _SYS_DRVCTLIO_H_ 
   42 #define _SYS_DRVCTLIO_H_ 
   43 
   44 #include <prop/proplib.h>
   45 #include <sys/ioccom.h>
   46 
   47 #define DRVCTLDEV "/dev/drvctl"
   48 
   49 struct devdetachargs {
   50         char devname[16];
   51 };
   52 
   53 struct devrescanargs {
   54         char busname[16];
   55         char ifattr[16];
   56         unsigned int numlocators;
   57         int *locators;
   58 };
   59 
   60 #define DRVDETACHDEV _IOW('D', 123, struct devdetachargs)
   61 #define DRVRESCANBUS _IOW('D', 124, struct devrescanargs)
   62 
   63 /*
   64  * Generic ioctl that takes a dictionary as an argument (specifies the
   65  * command and arguments) and returns a dictionary with the results.
   66  *
   67  * Command arguments are structured like so:
   68  *
   69  * <dict>
   70  *      <key>drvctl-command</key>
   71  *      <string>...</string>
   72  *      <!-- optional arguments -->
   73  *      <key>drvctl-arguments</key>
   74  *      <dict>
   75  *              <!-- arguments vary with command -->
   76  *      </dict>
   77  * </dict>
   78  *
   79  * Results are returned like so:
   80  *
   81  * <dict>
   82  *      <key>drvctl-error</key>
   83  *      <!-- 0 == success, otherwise an errno value -->
   84  *      <integer>...</integer>
   85  *      <!-- optional additional error message -->
   86  *      <key>drvctl-error-message</key>
   87  *      <string>...</string>
   88  *      <!-- optional results dictionary -->
   89  *      <key>drvctl-result-data</key>
   90  *      <dict>
   91  *              <!-- results vary with command -->
   92  *      </dict>
   93  * </dict>
   94  */
   95 #define DRVCTLCOMMAND _IOWR('D', 125, struct plistref)
   96 
   97 /*****************************************************************************
   98  * Commands recognized by DRVCTLCOMMAND
   99  *****************************************************************************/
  100 
  101 /*
  102  * get-properties
  103  *
  104  * Arguments:
  105  *
  106  *      <dict>
  107  *              <key>device-name</key>
  108  *              <string>...</string>
  109  *      </dict>
  110  *
  111  * Results:
  112  *      <dict>
  113  *              <!-- contents of device's properties dictionary -->
  114  *      </dict>
  115  */
  116 
  117 #endif /* _SYS_DRVCTLIO_H_ */

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