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Annotation of sys/dev/ata/wdvar.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: wdvar.h,v 1.12 2007/06/06 17:15:13 deraadt Exp $      */
                      2: /*     $NetBSD: wdvar.h,v 1.3 1998/11/11 19:38:27 bouyer Exp $ */
                      3:
                      4: /*
                      5:  * Copyright (c) 1998, 2001 Manuel Bouyer.
                      6:  *
                      7:  * Redistribution and use in source and binary forms, with or without
                      8:  * modification, are permitted provided that the following conditions
                      9:  * are met:
                     10:  * 1. Redistributions of source code must retain the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer.
                     12:  * 2. Redistributions in binary form must reproduce the above copyright
                     13:  *    notice, this list of conditions and the following disclaimer in the
                     14:  *    documentation and/or other materials provided with the distribution.
                     15:  * 3. All advertising materials mentioning features or use of this software
                     16:  *    must display the following acknowledgement:
                     17:  *     This product includes software developed by Manuel Bouyer.
                     18:  * 4. Neither the name of the University nor the names of its contributors
                     19:  *    may be used to endorse or promote products derived from this software
                     20:  *    without specific prior written permission.
                     21:  *
                     22:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
                     23:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
                     24:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
                     25:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
                     26:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
                     27:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
                     28:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
                     29:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
                     30:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
                     31:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
                     32:  *
                     33:  */
                     34:
                     35: #ifndef _DEV_ATA_WDVAR_H_
                     36: #define _DEV_ATA_WDVAR_H_
                     37:
                     38: /* Params needed by the controller to perform an ATA bio */
                     39: struct ata_bio {
                     40:     volatile u_int16_t flags; /* cmd flags */
                     41: #define ATA_NOSLEEP 0x0001 /* Can't sleep */
                     42: #define ATA_POLL    0x0002 /* poll for completion */
                     43: #define ATA_ITSDONE 0x0004 /* the transfer is as done as it gets */
                     44: #define ATA_SINGLE  0x0008 /* transfer has to be done in single-sector mode */
                     45: #define ATA_LBA     0x0010 /* transfer uses LBA addressing */
                     46: #define ATA_READ    0x0020 /* transfer is a read (otherwise a write) */
                     47: #define ATA_CORR    0x0040 /* transfer had a corrected error */
                     48: #define ATA_LBA48   0x0080 /* transfer uses 48-bit LBA addressing */
                     49:     int multi; /* number of blocks to transfer in multi-mode */
                     50:     struct disklabel *lp; /* pointer to drive's label info */
                     51:     daddr64_t blkno; /* block addr */
                     52:     daddr64_t blkdone; /* number of blks transferred */
                     53:     daddr64_t nblks; /* number of block currently transfering */
                     54:     int     nbytes; /* number of bytes currently transfering */
                     55:     long    bcount; /* total number of bytes */
                     56:     char   *databuf; /* data buffer address */
                     57:     volatile int error;
                     58: #define NOERROR   0 /* There was no error (r_error invalid) */
                     59: #define ERROR     1 /* check r_error */
                     60: #define ERR_DF    2 /* Drive fault */
                     61: #define ERR_DMA   3 /* DMA error */
                     62: #define TIMEOUT   4 /* device timed out */
                     63: #define ERR_NODEV 5 /* device bas been detached */
                     64:     u_int8_t r_error; /* copy of error register */
                     65:     daddr64_t badsect[127];    /* 126 plus trailing -1 marker */
                     66:     struct wd_softc *wd;
                     67: };
                     68:
                     69: /* drive states stored in ata_drive_datas */
                     70: #define RECAL          0
                     71: #define RECAL_WAIT     1
                     72: #define PIOMODE        2
                     73: #define PIOMODE_WAIT   3
                     74: #define DMAMODE        4
                     75: #define DMAMODE_WAIT   5
                     76: #define GEOMETRY       6
                     77: #define GEOMETRY_WAIT  7
                     78: #define MULTIMODE      8
                     79: #define MULTIMODE_WAIT 9
                     80: #define READY          10
                     81:
                     82: int wdc_ata_bio(struct ata_drive_datas*, struct ata_bio*);
                     83:
                     84: void wddone(void *);
                     85:
                     86: #endif /* !_DEV_ATA_WDVAR_H_ */