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/* $OpenBSD: wdvar.h,v 1.21 2014/07/09 12:56:28 mpi Exp $ */
/* $NetBSD: wdvar.h,v 1.3 1998/11/11 19:38:27 bouyer Exp $ */
/*
* Copyright (c) 1998, 2001 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*
*/
#ifndef _DEV_ATA_WDVAR_H_
#define _DEV_ATA_WDVAR_H_
/* 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 /* transfer uses LBA addressing */
#define ATA_READ 0x0020 /* transfer is a read (otherwise a write) */
#define ATA_CORR 0x0040 /* transfer had a corrected error */
#define ATA_LBA48 0x0080 /* transfer uses 48-bit LBA addressing */
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 transferred */
daddr_t nblks; /* number of block currently transferring */
int nbytes; /* number of bytes currently transferring */
long bcount; /* total number of bytes */
char *databuf; /* data buffer address */
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 */
#define ERR_NODEV 5 /* device bas been detached */
u_int8_t r_error; /* copy of error register */
struct wd_softc *wd;
};
struct wd_softc {
/* General disk infos */
struct device sc_dev;
struct disk sc_dk;
struct bufq sc_bufq;
/* IDE disk soft states */
struct ata_bio sc_wdc_bio; /* current transfer */
struct buf *sc_bp; /* buf being transferred */
struct ata_drive_datas *drvp; /* Our controller's infos */
int openings;
struct ataparams sc_params;/* drive characteristics found */
int sc_flags;
/*
* XXX Nothing resets this yet, but disk change sensing will when ATA-4 is
* more fully implemented.
*/
#define WDF_LOADED 0x10 /* parameters loaded */
#define WDF_WAIT 0x20 /* waiting for resources */
#define WDF_LBA 0x40 /* using LBA mode */
#define WDF_LBA48 0x80 /* using 48-bit LBA mode */
u_int64_t sc_capacity;
int cyl; /* actual drive parameters */
int heads;
int sectors;
int retries; /* number of xfer retry */
struct timeout sc_restart_timeout;
};
/* 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(struct ata_drive_datas*, struct ata_bio*);
int wd_hibernate_io(dev_t dev, daddr_t blkno, vaddr_t addr, size_t size,
int wr, void *page);
void wddone(void *);
#endif /* !_DEV_ATA_WDVAR_H_ */
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