Home | History | Annotate | Line # | Download | only in ata
wdvar.h revision 1.23 
      1 /*	$NetBSD: wdvar.h,v 1.23 2003/12/14 05:10:19 thorpej 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  * 3. All advertising materials mentioning features or use of this software
     15  *    must display the following acknowledgement:
     16  *	This product includes software developed by Manuel Bouyer.
     17  * 4. The name of the author may not be used to endorse or promote products
     18  *    derived from this software without specific prior written permission.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  *
     31  */
     32 
     33 /*
     34  * describe an ATA device. Has to be compatible with scsipi_channel, so start
     35  * with a pointer to ata_bustype
     36  */
     37 struct ata_device {
     38 	const struct ata_bustype *adev_bustype;
     39 	int adev_channel;
     40 	int adev_openings;
     41 	struct ata_drive_datas *adev_drv_data;
     42 };
     43 
     44 #ifdef __ATA_DISK_PRIVATE
     45 
     46 struct wd_softc {
     47 	/* General disk infos */
     48 	struct device sc_dev;
     49 	struct disk sc_dk;
     50 	struct lock sc_lock;
     51 	struct bufq_state sc_q;
     52 	struct callout sc_restart_ch;
     53 	int sc_quirks;			/* any quirks drive might have */
     54 	/* IDE disk soft states */
     55 	struct ata_bio sc_wdc_bio; /* current transfer */
     56 	struct buf *sc_bp; /* buf being transfered */
     57 	struct ata_drive_datas *drvp; /* Our controller's infos */
     58 	const struct ata_bustype *atabus;
     59 	int openings;
     60 	struct ataparams sc_params;/* drive characteristics found */
     61 	int sc_flags;
     62 #define	WDF_WLABEL	0x004 /* label is writable */
     63 #define	WDF_LABELLING	0x008 /* writing label */
     64 /*
     65  * XXX Nothing resets this yet, but disk change sensing will when ATA-4 is
     66  * more fully implemented.
     67  */
     68 #define WDF_LOADED	0x010 /* parameters loaded */
     69 #define WDF_WAIT	0x020 /* waiting for resources */
     70 #define WDF_LBA		0x040 /* using LBA mode */
     71 #define WDF_KLABEL	0x080 /* retain label after 'full' close */
     72 #define WDF_LBA48	0x100 /* using 48-bit LBA mode */
     73 	u_int64_t sc_capacity;
     74 	int cyl; /* actual drive parameters */
     75 	int heads;
     76 	int sectors;
     77 	int retries; /* number of xfer retry */
     78 
     79 	void *sc_sdhook;		/* our shutdown hook */
     80 
     81 	SLIST_HEAD(, disk_badsectors)	sc_bslist;
     82 	u_int sc_bscount;
     83 
     84 #if NRND > 0
     85 	rndsource_element_t	rnd_source;
     86 #endif
     87 };
     88 
     89 #define sc_drive sc_wdc_bio.drive
     90 #define sc_mode sc_wdc_bio.mode
     91 #define sc_multi sc_wdc_bio.multi
     92 #define sc_badsect sc_wdc_bio.badsect
     93 
     94 #endif /* __ATA_DISK_PRIVATE */
     95 
     96 void wddone __P((void *));
     97