sys/dev/ata/wdvar.h

   1 /*      $NetBSD: wdvar.h,v 1.37 2009/10/19 18:41:12 bouyer Exp $        */
   2
   3 /*
   4  * Copyright (c) 1998, 2001 Manuel Bouyer.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25  */
  26
  27 #ifndef _DEV_ATA_WDVAR_H_
  28 #define _DEV_ATA_WDVAR_H_
  29
  30 #ifdef _KERNEL_OPT
  31 #include "opt_wd_softbadsect.h"
  32 #endif
  33
  34 struct wd_softc {
  35         /* General disk infos */
  36         device_t sc_dev;
  37         struct disk sc_dk;
  38         struct bufq_state *sc_q;
  39         struct callout sc_restart_ch;
  40         int sc_quirks;                  /* any quirks drive might have */
  41         /* IDE disk soft states */
  42         struct ata_bio sc_wdc_bio; /* current transfer */
  43         struct buf *sc_bp; /* buf being transfered */
  44         struct ata_drive_datas *drvp; /* Our controller's infos */
  45         const struct ata_bustype *atabus;
  46         int openings;
  47         struct ataparams sc_params;/* drive characteristics found */
  48         int sc_flags;
  49 #define WDF_WLABEL      0x004 /* label is writable */
  50 #define WDF_LABELLING   0x008 /* writing label */
  51 /*
  52  * XXX Nothing resets this yet, but disk change sensing will when ATA-4 is
  53  * more fully implemented.
  54  */
  55 #define WDF_LOADED      0x010 /* parameters loaded */
  56 #define WDF_WAIT        0x020 /* waiting for resources */
  57 #define WDF_LBA         0x040 /* using LBA mode */
  58 #define WDF_KLABEL      0x080 /* retain label after 'full' close */
  59 #define WDF_LBA48       0x100 /* using 48-bit LBA mode */
  60         u_int64_t sc_capacity; /* full capacity of the device */
  61         u_int32_t sc_capacity28; /* capacity accessible with LBA28 commands */
  62
  63         int retries; /* number of xfer retry */
  64
  65 #ifdef WD_SOFTBADSECT
  66         SLIST_HEAD(, disk_badsectors)   sc_bslist;
  67         u_int sc_bscount;
  68 #endif
  69 #if NRND > 0
  70         rndsource_element_t     rnd_source;
  71 #endif
  72 };
  73
  74 #define sc_drive sc_wdc_bio.drive
  75 #define sc_mode sc_wdc_bio.mode
  76 #define sc_multi sc_wdc_bio.multi
  77 #define sc_badsect sc_wdc_bio.badsect
  78
  79 #endif /* _DEV_ATA_WDVAR_H_ */