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/*-
* Copyright (c) 1998,1999 Søren Schmidt
* All rights reserved.
*
* 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,
* without modification, immediately at the beginning of the file.
* 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* 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.
*
* $Id: ata-disk.h,v 1.1 1999/03/01 21:19:18 sos Exp $
*/
/* Structure describing an ATA disk */
struct ad_softc {
struct ata_softc *controller; /* ptr to parent ctrl */
struct ata_params *ata_parm; /* ata device params */
struct diskslices *slices;
int32_t unit; /* ATA_MASTER or ATA_SLAVE */
int32_t lun; /* logical unit number */
u_int16_t cylinders; /* disk geometry (probed) */
u_int8_t heads;
u_int8_t sectors;
u_int32_t total_secs; /* total # of sectors (LBA) */
u_int32_t transfersize; /* size of each transfer */
u_int32_t currentsize; /* size of current transfer */
struct buf_queue_head queue; /* head of request queue */
u_int32_t bytecount; /* bytes to transfer */
u_int32_t donecount; /* bytes transferred */
u_int32_t active; /* active processing request */
u_int32_t flags; /* drive flags */
struct devstat stats; /* devstat entry */
#define AD_F_LABELLING 0x0001
#ifdef DEVFS
void *cdevs_token;
void *bdevs_token;
#endif
};
void ad_transfer(struct buf *);
void ad_interrupt(struct buf *);
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