diff options
| author | David Gwynne <dlg@cvs.openbsd.org> | 2006-06-13 02:07:20 +0000 |
|---|---|---|
| committer | David Gwynne <dlg@cvs.openbsd.org> | 2006-06-13 02:07:20 +0000 |
| commit | e047069155e0450e8540244d4aefc5b5acfada1c (patch) | |
| tree | 7ab07603e3d0548d36a599ca31d41d61aacc5148 | |
| parent | 611bb60da9d4abe2cab3afece4769d9d535fd2ed (diff) | |
we sometimes bundle chunks that the ioc will write to in the request space
as well as the request itself, so we need to sync the memory in both
directions for dma.
| -rw-r--r-- | sys/dev/ic/mpi.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/sys/dev/ic/mpi.c b/sys/dev/ic/mpi.c index 24f2dcf8b8b..193861f1d46 100644 --- a/sys/dev/ic/mpi.c +++ b/sys/dev/ic/mpi.c @@ -1,4 +1,4 @@ -/* $OpenBSD: mpi.c,v 1.36 2006/06/12 23:25:57 dlg Exp $ */ +/* $OpenBSD: mpi.c,v 1.37 2006/06/13 02:07:19 dlg Exp $ */ /* * Copyright (c) 2005, 2006 David Gwynne <dlg@openbsd.org> @@ -523,7 +523,8 @@ mpi_intr(void *arg) ccb = &sc->sc_ccbs[id]; bus_dmamap_sync(sc->sc_dmat, MPI_DMA_MAP(sc->sc_requests), - ccb->ccb_offset, MPI_REQUEST_SIZE, BUS_DMASYNC_POSTWRITE); + ccb->ccb_offset, MPI_REQUEST_SIZE, + BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); ccb->ccb_state = MPI_CCB_READY; ccb->ccb_reply = reply; ccb->ccb_reply_dva = reply_dva; @@ -731,7 +732,8 @@ mpi_start(struct mpi_softc *sc, struct mpi_ccb *ccb) ccb->ccb_cmd_dva); bus_dmamap_sync(sc->sc_dmat, MPI_DMA_MAP(sc->sc_requests), - ccb->ccb_offset, MPI_REQUEST_SIZE, BUS_DMASYNC_PREWRITE); + ccb->ccb_offset, MPI_REQUEST_SIZE, + BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); ccb->ccb_state = MPI_CCB_QUEUED; mpi_write(sc, MPI_REQ_QUEUE, ccb->ccb_cmd_dva); @@ -799,7 +801,8 @@ mpi_complete(struct mpi_softc *sc, struct mpi_ccb *nccb, int timeout) ccb = &sc->sc_ccbs[id]; bus_dmamap_sync(sc->sc_dmat, MPI_DMA_MAP(sc->sc_requests), - ccb->ccb_offset, MPI_REQUEST_SIZE, BUS_DMASYNC_POSTWRITE); + ccb->ccb_offset, MPI_REQUEST_SIZE, + BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); ccb->ccb_state = MPI_CCB_READY; ccb->ccb_reply = reply; ccb->ccb_reply_dva = reply_dva; |