wd.c (f634e456) wd.c (cec793cf)
1/* $OpenBSD: wd.c,v 1.31 2003/06/25 20:52:57 tedu Exp $ */
1/* $OpenBSD: wd.c,v 1.32 2003/07/20 19:57:04 grange Exp $ */
2/* $NetBSD: wd.c,v 1.193 1999/02/28 17:15:27 explorer Exp $ */
3
4/*
5 * Copyright (c) 1998, 2001 Manuel Bouyer. All rights reserved.
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:

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559}
560
561void
562__wdstart(wd, bp)
563 struct wd_softc *wd;
564 struct buf *bp;
565{
566 daddr_t p_offset;
2/* $NetBSD: wd.c,v 1.193 1999/02/28 17:15:27 explorer Exp $ */
3
4/*
5 * Copyright (c) 1998, 2001 Manuel Bouyer. All rights reserved.
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:

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559}
560
561void
562__wdstart(wd, bp)
563 struct wd_softc *wd;
564 struct buf *bp;
565{
566 daddr_t p_offset;
567 daddr_t nblks;
568
567 if (WDPART(bp->b_dev) != RAW_PART)
568 p_offset =
569 wd->sc_dk.dk_label->d_partitions[WDPART(bp->b_dev)].p_offset;
570 else
571 p_offset = 0;
572 wd->sc_wdc_bio.blkno = bp->b_blkno + p_offset;
573 wd->sc_wdc_bio.blkno /= (wd->sc_dk.dk_label->d_secsize / DEV_BSIZE);
574 wd->sc_wdc_bio.blkdone =0;
575 wd->sc_bp = bp;
576 /*
577 * If we're retrying, retry in single-sector mode. This will give us
578 * the sector number of the problem, and will eventually allow the
579 * transfer to succeed.
580 */
581 if (wd->sc_multi == 1 || wd->retries >= WDIORETRIES_SINGLE)
582 wd->sc_wdc_bio.flags = ATA_SINGLE;
583 else
584 wd->sc_wdc_bio.flags = 0;
569 if (WDPART(bp->b_dev) != RAW_PART)
570 p_offset =
571 wd->sc_dk.dk_label->d_partitions[WDPART(bp->b_dev)].p_offset;
572 else
573 p_offset = 0;
574 wd->sc_wdc_bio.blkno = bp->b_blkno + p_offset;
575 wd->sc_wdc_bio.blkno /= (wd->sc_dk.dk_label->d_secsize / DEV_BSIZE);
576 wd->sc_wdc_bio.blkdone =0;
577 wd->sc_bp = bp;
578 /*
579 * If we're retrying, retry in single-sector mode. This will give us
580 * the sector number of the problem, and will eventually allow the
581 * transfer to succeed.
582 */
583 if (wd->sc_multi == 1 || wd->retries >= WDIORETRIES_SINGLE)
584 wd->sc_wdc_bio.flags = ATA_SINGLE;
585 else
586 wd->sc_wdc_bio.flags = 0;
585 if (wd->sc_flags & WDF_LBA48)
587 nblks = bp->b_bcount / wd->sc_dk.dk_label->d_secsize;
588 if ((wd->sc_flags & WDF_LBA48) &&
589 /* use LBA48 only if really need */
590 ((wd->sc_wdc_bio.blkno + nblks - 1 > 0xfffffff) || (nblks > 0xff)))
586 wd->sc_wdc_bio.flags |= ATA_LBA48;
587 if (wd->sc_flags & WDF_LBA)
588 wd->sc_wdc_bio.flags |= ATA_LBA;
589 if (bp->b_flags & B_READ)
590 wd->sc_wdc_bio.flags |= ATA_READ;
591 wd->sc_wdc_bio.bcount = bp->b_bcount;
592 wd->sc_wdc_bio.databuf = bp->b_data;
593 wd->sc_wdc_bio.wd = wd;

--- 771 unchanged lines hidden --- 		591 wd->sc_wdc_bio.flags |= ATA_LBA48;
592 if (wd->sc_flags & WDF_LBA)
593 wd->sc_wdc_bio.flags |= ATA_LBA;
594 if (bp->b_flags & B_READ)
595 wd->sc_wdc_bio.flags |= ATA_READ;
596 wd->sc_wdc_bio.bcount = bp->b_bcount;
597 wd->sc_wdc_bio.databuf = bp->b_data;
598 wd->sc_wdc_bio.wd = wd;

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