/* diskmodel (version 1.0) * Authors: John Bucy, Greg Ganger * Contributors: John Griffin, Jiri Schindler, Steve Schlosser * * Copyright (c) of Carnegie Mellon University, 2001-2008. * * This software is being provided by the copyright holders under the * following license. By obtaining, using and/or copying this * software, you agree that you have read, understood, and will comply * with the following terms and conditions: * * Permission to reproduce, use, and prepare derivative works of this * software is granted provided the copyright and "No Warranty" * statements are included with all reproductions and derivative works * and associated documentation. This software may also be * redistributed without charge provided that the copyright and "No * Warranty" statements are included in all redistributions. * * NO WARRANTY. THIS SOFTWARE IS FURNISHED ON AN "AS IS" BASIS. * CARNEGIE MELLON UNIVERSITY MAKES NO WARRANTIES OF ANY KIND, EITHER * EXPRESSED OR IMPLIED AS TO THE MATTER INCLUDING, BUT NOT LIMITED * TO: WARRANTY OF FITNESS FOR PURPOSE OR MERCHANTABILITY, EXCLUSIVITY * OF RESULTS OR RESULTS OBTAINED FROM USE OF THIS SOFTWARE. CARNEGIE * MELLON UNIVERSITY DOES NOT MAKE ANY WARRANTY OF ANY KIND WITH * RESPECT TO FREEDOM FROM PATENT, TRADEMARK, OR COPYRIGHT * INFRINGEMENT.  COPYRIGHT HOLDERS WILL BEAR NO LIABILITY FOR ANY USE * OF THIS SOFTWARE OR DOCUMENTATION.   *//* * DiskSim Storage Subsystem Simulation Environment (Version 2.0) * Revision Authors: Greg Ganger * Contributors: Ross Cohen, John Griffin, Steve Schlosser * * Copyright (c) of Carnegie Mellon University, 1999. * * Permission to reproduce, use, and prepare derivative works of * this software for internal use is granted provided the copyright * and "No Warranty" statements are included with all reproductions * and derivative works. This software may also be redistributed * without charge provided that the copyright and "No Warranty" * statements are included in all redistributions. * * NO WARRANTY. THIS SOFTWARE IS FURNISHED ON AN "AS IS" BASIS. * CARNEGIE MELLON UNIVERSITY MAKES NO WARRANTIES OF ANY KIND, EITHER * EXPRESSED OR IMPLIED AS TO THE MATTER INCLUDING, BUT NOT LIMITED * TO: WARRANTY OF FITNESS FOR PURPOSE OR MERCHANTABILITY, EXCLUSIVITY * OF RESULTS OR RESULTS OBTAINED FROM USE OF THIS SOFTWARE. CARNEGIE * MELLON UNIVERSITY DOES NOT MAKE ANY WARRANTY OF ANY KIND WITH RESPECT * TO FREEDOM FROM PATENT, TRADEMARK, OR COPYRIGHT INFRINGEMENT. *//* * DiskSim Storage Subsystem Simulation Environment * Authors: Greg Ganger, Bruce Worthington, Yale Patt * * Copyright (C) 1993, 1995, 1997 The Regents of the University of Michigan  * * This software is being provided by the copyright holders under the * following license. By obtaining, using and/or copying this software, * you agree that you have read, understood, and will comply with the * following terms and conditions: * * Permission to use, copy, modify, distribute, and sell this software * and its documentation for any purpose and without fee or royalty is * hereby granted, provided that the full text of this NOTICE appears on * ALL copies of the software and documentation or portions thereof, * including modifications, that you make. * * THIS SOFTWARE IS PROVIDED "AS IS," AND COPYRIGHT HOLDERS MAKE NO * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED. BY WAY OF EXAMPLE, * BUT NOT LIMITATION, COPYRIGHT HOLDERS MAKE NO REPRESENTATIONS OR * WARRANTIES OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE OR * THAT THE USE OF THE SOFTWARE OR DOCUMENTATION WILL NOT INFRINGE ANY * THIRD PARTY PATENTS, COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS. COPYRIGHT * HOLDERS WILL BEAR NO LIABILITY FOR ANY USE OF THIS SOFTWARE OR * DOCUMENTATION. * *  This software is provided AS IS, WITHOUT REPRESENTATION FROM THE * UNIVERSITY OF MICHIGAN AS TO ITS FITNESS FOR ANY PURPOSE, AND * WITHOUT WARRANTY BY THE UNIVERSITY OF MICHIGAN OF ANY KIND, EITHER * EXPRESSED OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE REGENTS * OF THE UNIVERSITY OF MICHIGAN SHALL NOT BE LIABLE FOR ANY DAMAGES, * INCLUDING SPECIAL , INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, * WITH RESPECT TO ANY CLAIM ARISING OUT OF OR IN CONNECTION WITH THE * USE OF OR IN CONNECTION WITH THE USE OF THE SOFTWARE, EVEN IF IT HAS * BEEN OR IS HEREAFTER ADVISED OF THE POSSIBILITY OF SUCH DAMAGES * * The names and trademarks of copyright holders or authors may NOT be * used in advertising or publicity pertaining to the software without * specific, written prior permission. Title to copyright in this software * and any associated documentation will at all times remain with copyright * holders. */// carry-over of old disksim layout code#ifndef _DM_LAYOUT_G1_H#define _DM_LAYOUT_G1_H#include "dm.h"// Disk sparing schemes (for replacing bad media)typedef enum {  NO_SPARING                           = 0,  TRACK_SPARING                        = 1,  SECTPERCYL_SPARING                   = 2,  SECTPERTRACK_SPARING                 = 3,  SECTPERCYL_SPARING_SLIPTOEND         = 4,  SECTPERCYL_SPARING_ATFRONT           = 5,  SECTPERCYL_SPARING_ATFRONT_SLIPTOEND = 6,  SECTATEND_SPARING                    = 7,  SECTPERRANGE_SPARING                 = 8,  SECTSPERZONE_SPARING                 = 9,  SECTSPERZONE_SPARING_SLIPTOEND       = 10} dm_layout_g1_spare_t;#define MAXSPARESCHEME SECTSPERZONE_SPARING_SLIPTOEND// layout typestypedef enum {  LAYOUT_NORMAL           = 0,  LAYOUT_CYLSWITCHONSURF1 = 1,  /* cyl. switches stay on same surface                                   * -- first cyl of each zone is normal 				 */  LAYOUT_CYLSWITCHONSURF2 = 2   /* cyl. switches stay on same surface  				 * -- all even-#d cyls are normal      				 */} dm_layout_g1_map_t;#define LAYOUT_MAX LAYOUT_CYLSWITCHONSURF2// stupid macros#define isspareatfront(l) \                (((l)->sparescheme == SECTPERCYL_SPARING_ATFRONT) || \                 ((l)->sparescheme == SECTPERCYL_SPARING_ATFRONT_SLIPTOEND))#define issliptoend(l) \                (((l)->sparescheme == SECTPERCYL_SPARING_SLIPTOEND) || \                 ((l)->sparescheme == SECTPERCYL_SPARING_ATFRONT_SLIPTOEND) || \                 ((l)->sparescheme == SECTATEND_SPARING))#define issectpercyl(l) \                (((l)->sparescheme == SECTPERCYL_SPARING) || \                 ((l)->sparescheme == SECTPERCYL_SPARING_SLIPTOEND) || \                 ((l)->sparescheme == SECTPERCYL_SPARING_ATFRONT) || \                 ((l)->sparescheme == SECTPERCYL_SPARING_ATFRONT_SLIPTOEND))struct dm_layout_g1_band;struct dm_layout_g1 {  struct dm_layout_if hdr;  struct dm_disk_if *disk; // back pointer  dm_layout_g1_spare_t  sparescheme;  int                   rangesize;  dm_layout_g1_map_t    mapping;  struct dm_layout_g1_band *bands;  int bands_len;  int         *band_blknos;    // first lbn per band indexed by band  dm_skew_unit_t skew_units;};struct dm_layout_g1_band {  int    startcyl;  int    endcyl;  int    blkspertrack;  int    deadspace;  dm_angle_t firstblkangle;  dm_angle_t cylskew;  dm_angle_t trackskew;  int    blksinband;  int    sparecnt;  int    numslips;  int    numdefects;  int   *slip;  int   *defect;  int   *remap;  int   num; /* number of this band */  /*     int  *remap; */  dm_angle_t sector_width;  // dead space at the end of each track  // blkspertrack * sector_width + trkspace should equal the number of   // ticks in a circle  dm_angle_t trkspace;    dm_skew_unit_t skew_units;}; // the interfacesextern struct dm_layout_if g1_layout_nosparing;extern struct dm_layout_if g1_layout_tracksparing;extern struct dm_layout_if g1_layout_sectpertrackspare;extern struct dm_layout_if g1_layout_sectpercylspare;extern struct dm_layout_if g1_layout_sectperrangespare;extern struct dm_layout_if g1_layout_sectperzonespare;#endif   /*  _DM_LAYOUT_G1_H  */