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Annotation of Net2/arch/amiga/dev/vnioctl.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1988 University of Utah.
                      3:  * Copyright (c) 1990 The Regents of the University of California.
                      4:  * All rights reserved.
                      5:  *
                      6:  * This code is derived from software contributed to Berkeley by
                      7:  * the Systems Programming Group of the University of Utah Computer
                      8:  * Science Department.
                      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 University of
                     21:  *     California, Berkeley and its contributors.
                     22:  * 4. Neither the name of the University nor the names of its contributors
                     23:  *    may be used to endorse or promote products derived from this software
                     24:  *    without specific prior written permission.
                     25:  *
                     26:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     27:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     28:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     29:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     30:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     31:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     32:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     33:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     34:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     35:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     36:  * SUCH DAMAGE.
                     37:  *
                     38:  * from: Utah $Hdr: fdioctl.h 1.1 90/07/09$
                     39:  *
                     40:  *     @(#)vnioctl.h   7.3 (Berkeley) 5/7/91
                     41:  */
                     42: 
                     43: /*
                     44:  * Ioctl definitions for file (vnode) disk pseudo-device.
                     45:  */
                     46: 
                     47: #define FDISKFILE      "/etc/fdisks"   /* default config file */
                     48: 
                     49: struct vn_ioctl {
                     50:        char    *vn_file;       /* pathname of file to mount */
                     51:        int     vn_size;        /* (returned) size of disk */
                     52: };
                     53: 
                     54: /*
                     55:  * Before you can use a unit, it must be configured with VNIOCSET.
                     56:  * The configuration persists across opens and closes of the device;
                     57:  * an VNIOCCLR must be used to reset a configuration.  An attempt to
                     58:  * VNIOCSET an already active unit will return EBUSY.
                     59:  */
                     60: #define VNIOCSET       _IOWR('F', 0, struct vn_ioctl)  /* enable disk */
                     61: #define VNIOCCLR       _IOW('F', 1, struct vn_ioctl)   /* disable disk */

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