81 lines
3.6 KiB
C
81 lines
3.6 KiB
C
/* $NetBSD: wdvar.h,v 1.4 1999/10/20 15:22:25 enami Exp $ */
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/*
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* Copyright (c) 1998 Manuel Bouyer.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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/* Params needed by the controller to perform an ATA bio */
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struct ata_bio {
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volatile u_int16_t flags; /* cmd flags */
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#define ATA_NOSLEEP 0x0001 /* Can't sleep */
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#define ATA_POLL 0x0002 /* poll for completion */
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#define ATA_ITSDONE 0x0004 /* the transfer is as done as it gets */
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#define ATA_SINGLE 0x0008 /* transfer has to be done in single-sector mode */
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#define ATA_LBA 0x0010 /* tranfert uses LBA adressing */
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#define ATA_READ 0x0020 /* tranfert is a read (otherwise a write) */
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#define ATA_CORR 0x0040 /* transfer had a corrected error */
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int multi; /* number of blocks to transfer in multi-mode */
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struct disklabel *lp; /* pointer to drive's label info */
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daddr_t blkno; /* block addr */
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daddr_t blkdone; /* number of blks transfered */
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daddr_t nblks; /* number of block currently transfering */
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int nbytes; /* number of bytes currently transfering */
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long bcount; /* total number of bytes */
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char* databuf; /* data buffer adress */
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volatile int error;
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#define NOERROR 0 /* There was no error (r_error invalid) */
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#define ERROR 1 /* check r_error */
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#define ERR_DF 2 /* Drive fault */
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#define ERR_DMA 3 /* DMA error */
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#define TIMEOUT 4 /* device timed out */
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#define ERR_NODEV 5 /* device has been gone */
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u_int8_t r_error; /* copy of error register */
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daddr_t badsect[127]; /* 126 plus trailing -1 marker */
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};
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/* drive states stored in ata_drive_datas */
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#define RECAL 0
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#define RECAL_WAIT 1
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#define PIOMODE 2
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#define PIOMODE_WAIT 3
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#define DMAMODE 4
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#define DMAMODE_WAIT 5
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#define GEOMETRY 6
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#define GEOMETRY_WAIT 7
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#define MULTIMODE 8
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#define MULTIMODE_WAIT 9
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#define READY 10
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int wdc_ata_bio __P((struct ata_drive_datas*, struct ata_bio*));
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void wddone __P((void *));
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