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Diffstat (limited to 'sys/sys/ccdvar.h')
| -rw-r--r-- | sys/sys/ccdvar.h | 206 |
1 files changed, 0 insertions, 206 deletions
diff --git a/sys/sys/ccdvar.h b/sys/sys/ccdvar.h deleted file mode 100644 index 00d2f2c81768..000000000000 --- a/sys/sys/ccdvar.h +++ /dev/null @@ -1,206 +0,0 @@ -/* $NetBSD: ccdvar.h,v 1.7.2.1 1995/10/12 21:30:18 thorpej Exp $ */ - -/* - * Copyright (c) 1995 Jason R. Thorpe. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed for the NetBSD Project - * by Jason R. Thorpe. - * 4. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -/* - * Copyright (c) 1988 University of Utah. - * Copyright (c) 1990, 1993 - * 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 and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. 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 BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * from: Utah $Hdr: cdvar.h 1.1 90/07/09$ - * - * @(#)cdvar.h 8.1 (Berkeley) 6/10/93 - */ - -/* - * Dynamic configuration and disklabel support by: - * Jason R. Thorpe <thorpej@nas.nasa.gov> - * Numerical Aerodynamic Simulation Facility - * Mail Stop 258-6 - * NASA Ames Research Center - * Moffett Field, CA 94035 - */ - -/* - * A concatenated disk is described at initialization time by this structure. - */ -struct ccddevice { - int ccd_unit; /* logical unit of this ccd */ - int ccd_interleave; /* interleave (DEV_BSIZE blocks) */ - int ccd_flags; /* misc. information */ - int ccd_dk; /* disk number */ - struct vnode **ccd_vpp; /* array of component vnodes */ - char **ccd_cpp; /* array of component pathnames */ - int ccd_ndev; /* number of component devices */ -}; - -/* - * This structure is used to configure a ccd via ioctl(2). - */ -struct ccd_ioctl { - char **ccio_disks; /* pointer to component paths */ - int ccio_ndisks; /* number of disks to concatenate */ - int ccio_ileave; /* interleave (DEV_BSIZE blocks) */ - int ccio_flags; /* misc. information */ - int ccio_unit; /* unit number: use varies */ - size_t ccio_size; /* (returned) size of ccd */ -}; - -/* ccd_flags */ -#define CCDF_SWAP 0x01 /* interleave should be dmmax */ -#define CCDF_UNIFORM 0x02 /* use LCCD of sizes for uniform interleave */ - -/* Mask of user-settable ccd flags. */ -#define CCDF_USERMASK (CCDF_SWAP|CCDF_UNIFORM) - -/* - * Component info table. - * Describes a single component of a concatenated disk. - */ -struct ccdcinfo { - struct vnode *ci_vp; /* device's vnode */ - dev_t ci_dev; /* XXX: device's dev_t */ - size_t ci_size; /* size */ - char *ci_path; /* path to component */ - size_t ci_pathlen; /* length of component path */ -}; - -/* - * Interleave description table. - * Computed at boot time to speed irregular-interleave lookups. - * The idea is that we interleave in "groups". First we interleave - * evenly over all component disks up to the size of the smallest - * component (the first group), then we interleave evenly over all - * remaining disks up to the size of the next-smallest (second group), - * and so on. - * - * Each table entry describes the interleave characteristics of one - * of these groups. For example if a concatenated disk consisted of - * three components of 5, 3, and 7 DEV_BSIZE blocks interleaved at - * DEV_BSIZE (1), the table would have three entries: - * - * ndisk startblk startoff dev - * 3 0 0 0, 1, 2 - * 2 9 3 0, 2 - * 1 13 5 2 - * 0 - - - - * - * which says that the first nine blocks (0-8) are interleaved over - * 3 disks (0, 1, 2) starting at block offset 0 on any component disk, - * the next 4 blocks (9-12) are interleaved over 2 disks (0, 2) starting - * at component block 3, and the remaining blocks (13-14) are on disk - * 2 starting at offset 5. - */ -struct ccdiinfo { - int ii_ndisk; /* # of disks range is interleaved over */ - daddr_t ii_startblk; /* starting scaled block # for range */ - daddr_t ii_startoff; /* starting component offset (block #) */ - int *ii_index; /* ordered list of components in range */ -}; - -/* - * Concatenated disk pseudo-geometry information. - */ -struct ccdgeom { - u_int32_t ccg_secsize; /* # bytes per sector */ - u_int32_t ccg_nsectors; /* # data sectors per track */ - u_int32_t ccg_ntracks; /* # tracks per cylinder */ - u_int32_t ccg_ncylinders; /* # cylinders per unit */ -}; - -/* - * A concatenated disk is described after initialization by this structure. - */ -struct ccd_softc { - int sc_unit; /* logical unit number */ - int sc_flags; /* flags */ - int sc_cflags; /* configuration flags */ - size_t sc_size; /* size of ccd */ - int sc_ileave; /* interleave */ - int sc_nccdisks; /* number of components */ - struct ccdcinfo *sc_cinfo; /* component info */ - struct ccdiinfo *sc_itable; /* interleave table */ - int sc_nactive; /* number of requests active */ - int sc_dk; /* disk index */ - struct ccdgeom sc_geom; /* pseudo geometry info */ - struct dkdevice sc_dkdev; /* generic disk device info */ -}; - -/* sc_flags */ -#define CCDF_INITED 0x01 /* unit has been initialized */ -#define CCDF_WLABEL 0x02 /* label area is writable */ -#define CCDF_LABELLING 0x04 /* unit is currently being labelled */ -#define CCDF_WANTED 0x40 /* someone is waiting to obtain a lock */ -#define CCDF_LOCKED 0x80 /* unit is locked */ - -/* - * Before you can use a unit, it must be configured with CCDIOCSET. - * The configuration persists across opens and closes of the device; - * a CCDIOCCLR must be used to reset a configuration. An attempt to - * CCDIOCSET an already active unit will return EBUSY. Attempts to - * CCDIOCCLR an inactive unit will return ENXIO. - */ -#define CCDIOCSET _IOWR('F', 16, struct ccd_ioctl) /* enable ccd */ -#define CCDIOCCLR _IOW('F', 17, struct ccd_ioctl) /* disable ccd */ |