Backout previous; defer bus_dmamap_sync(9) op against data buffer instead.
XXX ews4800mips (which has 128byte L2 cacheline) still has XXX some problem in sd_read_capacity() on some unclear condition.
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@ -1,4 +1,4 @@
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/* $NetBSD: osiop.c,v 1.29 2007/06/30 14:32:50 tsutsui Exp $ */
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/* $NetBSD: osiop.c,v 1.30 2007/06/30 14:56:48 tsutsui Exp $ */
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/*
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* Copyright (c) 2001 Izumi Tsutsui. All rights reserved.
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@ -100,7 +100,7 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: osiop.c,v 1.29 2007/06/30 14:32:50 tsutsui Exp $");
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__KERNEL_RCSID(0, "$NetBSD: osiop.c,v 1.30 2007/06/30 14:56:48 tsutsui Exp $");
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/* #define OSIOP_DEBUG */
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@ -404,9 +404,6 @@ osiop_scsipi_request(struct scsipi_channel *chan, scsipi_adapter_req_t req,
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acb->status = ACB_S_READY;
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acb->xs = xs;
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/* Copy SCSI command to DMA buffer */
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memcpy(acb->ds->scsipi_cmd, xs->cmd, xs->cmdlen);
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/* Setup DMA map for data buffer */
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if (xs->xs_control & (XS_CTL_DATA_IN | XS_CTL_DATA_OUT)) {
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err = bus_dmamap_load(sc->sc_dmat, acb->datadma,
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@ -423,9 +420,6 @@ osiop_scsipi_request(struct scsipi_channel *chan, scsipi_adapter_req_t req,
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splx(s);
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return;
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}
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bus_dmamap_sync(sc->sc_dmat, acb->datadma,
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0, xs->datalen, (xs->xs_control & XS_CTL_DATA_IN) ?
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BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE);
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}
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acb->cmdlen = xs->cmdlen;
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@ -930,6 +924,8 @@ osiop_start(struct osiop_softc *sc)
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acb->intstat = 0;
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/* Copy SCSI command to DMA buffer */
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memcpy(ds->scsipi_cmd, xs->cmd, acb->cmdlen);
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ds->cmd.count = acb->cmdlen;
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ti = &sc->sc_tinfo[target];
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@ -990,6 +986,10 @@ osiop_start(struct osiop_softc *sc)
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ds->data[i].count = datadma->dm_segs[i].ds_len;
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ds->data[i].addr = datadma->dm_segs[i].ds_addr;
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}
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/* sync xfer data buffer */
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bus_dmamap_sync(sc->sc_dmat, acb->datadma,
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0, acb->datalen, (xs->xs_control & XS_CTL_DATA_IN) ?
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BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE);
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}
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/* sync script data structure */
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