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/* $OpenBSD: wdvar.h,v 1.1 1999/07/18 21:25:18 csapuntz Exp $ */
/* $NetBSD: wdvar.h,v 1.3 1998/11/11 19:38:27 bouyer Exp $ */
/*
* Copyright (c) 1998 Manuel Bouyer.
*
* 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.
*
*/
/* Params needed by the controller to perform an ATA bio */
struct ata_bio {
volatile u_int16_t flags; /* cmd flags */
#define ATA_NOSLEEP 0x0001 /* Can't sleep */
#define ATA_POLL 0x0002 /* poll for completion */
#define ATA_ITSDONE 0x0004 /* the transfer is as done as it gets */
#define ATA_SINGLE 0x0008 /* transfer has to be done in single-sector mode */
#define ATA_LBA 0x0010 /* tranfert uses LBA adressing */
#define ATA_READ 0x0020 /* tranfert is a read (otherwise a write) */
#define ATA_CORR 0x0040 /* transfer had a corrected error */
int multi; /* number of blocks to transfer in multi-mode */
struct disklabel *lp; /* pointer to drive's label info */
daddr_t blkno; /* block addr */
daddr_t blkdone; /* number of blks transfered */
daddr_t nblks; /* number of block currently transfering */
int nbytes; /* number of bytes currently transfering */
long bcount; /* total number of bytes */
char* databuf; /* data buffer adress */
volatile int error;
#define NOERROR 0 /* There was no error (r_error invalid) */
#define ERROR 1 /* check r_error */
#define ERR_DF 2 /* Drive fault */
#define ERR_DMA 3 /* DMA error */
#define TIMEOUT 4 /* device timed out */
u_int8_t r_error; /* copy of error register */
daddr_t badsect[127]; /* 126 plus trailing -1 marker */
};
/* drive states stored in ata_drive_datas */
#define RECAL 0
#define RECAL_WAIT 1
#define PIOMODE 2
#define PIOMODE_WAIT 3
#define DMAMODE 4
#define DMAMODE_WAIT 5
#define GEOMETRY 6
#define GEOMETRY_WAIT 7
#define MULTIMODE 8
#define MULTIMODE_WAIT 9
#define READY 10
int wdc_ata_bio __P((struct ata_drive_datas*, struct ata_bio*));
void wddone __P((void *));
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