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wdvar.h revision 1.38 
      1 /*	$NetBSD: wdvar.h,v 1.38 2009/12/17 21:03:10 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_ */
     80