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Diffstat (limited to 'sys/dev/ata/wdvar.h')
-rw-r--r-- | sys/dev/ata/wdvar.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/sys/dev/ata/wdvar.h b/sys/dev/ata/wdvar.h new file mode 100644 index 00000000000..46fb4ee0c18 --- /dev/null +++ b/sys/dev/ata/wdvar.h @@ -0,0 +1,80 @@ +/* $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 *)); |