/* * Copyright (c) 1988 University of Utah. * Copyright (c) 1990 The Regents of the University of California. * All rights reserved. * * This code is derived from software contributed to Berkeley by * the Systems Programming Group of the University of Utah Computer * Science Department. * * Redistribution is only permitted until one year after the first shipment * of 4.4BSD by the Regents. Otherwise, redistribution and use in source and * binary forms are permitted provided that: (1) source distributions retain * this entire copyright notice and comment, and (2) distributions including * binaries display the following acknowledgement: This product includes * software developed by the University of California, Berkeley and its * contributors'' in the documentation or other materials provided with the * distribution and in all advertising materials mentioning features or use * of this software. Neither the name of the University nor the names of * its contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * THIS SOFTWARE IS PROVIDED AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. * * from: Utah $Hdr: fdioctl.h 1.1 89/11/20$ * * @(#)fdioctl.h 7.1 (Berkeley) 5/8/90 */ /* * Ioctl definitions for file (vnode) disk pseudo-device. */ #define FDISKFILE "/etc/fdisks" /* default config file */ struct fd_ioctl { char *fd_file; /* pathname of file to mount */ int fd_size; /* (returned) size of disk */ }; /* * Before you can use a unit, it must be configured with FDIOCSET. * The configuration persists across opens and closes of the device; * an FDIOCCLR must be used to reset a configuration. An attempt to * FDIOCSET an already active unit will return EBUSY. */ #define FDIOCSET _IOWR('F', 0, struct fd_ioctl) /* enable disk */ #define FDIOCCLR _IOW('F', 1, struct fd_ioctl) /* disable disk */