If we got an xfer from our backlog queue, don't allow sleeping; we're in
interrupt context. XXX This is fixed properly in the thorpej_scsipi branch, but that won't be ready for 1.5, I don't think.
This commit is contained in:
thorpej
parent
fc72b13d27
commit
1268cc5d6c
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@ -1,4 +1,4 @@
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/* $NetBSD: adv.c,v 1.14 1999/09/30 23:04:40 thorpej Exp $ */
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/* $NetBSD: adv.c,v 1.15 2000/02/12 19:12:52 thorpej Exp $ */
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/*
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* Generic driver for the Advanced Systems Inc. Narrow SCSI controllers
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@ -551,7 +551,7 @@ adv_scsi_cmd(xs)
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bus_dma_tag_t dmat = sc->sc_dmat;
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ADV_CCB *ccb;
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int s, flags, error, nsegs;
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int fromqueue = 1, dontqueue = 0;
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int fromqueue = 0, dontqueue = 0, nowait = 0;
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s = splbio(); /* protect the queue */
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@ -563,6 +563,7 @@ adv_scsi_cmd(xs)
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if (xs == TAILQ_FIRST(&sc->sc_queue)) {
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TAILQ_REMOVE(&sc->sc_queue, xs, adapter_q);
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fromqueue = 1;
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nowait = 1;
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} else {
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/* Polled requests can't be queued for later. */
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@ -599,6 +600,8 @@ adv_scsi_cmd(xs)
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*/
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flags = xs->xs_control;
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if (nowait)
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flags |= XS_CTL_NOSLEEP;
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if ((ccb = adv_get_ccb(sc, flags)) == NULL) {
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/*
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* If we can't queue, we lose.
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@ -1,4 +1,4 @@
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/* $NetBSD: adw.c,v 1.13 2000/02/03 20:29:15 dante Exp $ */
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/* $NetBSD: adw.c,v 1.14 2000/02/12 19:19:42 thorpej Exp $ */
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/*
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* Generic driver for the Advanced Systems Inc. SCSI controllers
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@ -82,7 +82,7 @@ static ADW_CCB *adw_get_ccb __P((ADW_SOFTC *, int));
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static int adw_queue_ccb __P((ADW_SOFTC *, ADW_CCB *, int));
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static int adw_scsi_cmd __P((struct scsipi_xfer *));
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static int adw_build_req __P((struct scsipi_xfer *, ADW_CCB *));
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static int adw_build_req __P((struct scsipi_xfer *, ADW_CCB *, int));
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static void adw_build_sglist __P((ADW_CCB *, ADW_SCSI_REQ_Q *, ADW_SG_BLOCK *));
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static void adwminphys __P((struct buf *));
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static void adw_isr_callback __P((ADW_SOFTC *, ADW_SCSI_REQ_Q *));
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@ -694,7 +694,8 @@ adw_scsi_cmd(xs)
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struct scsipi_link *sc_link = xs->sc_link;
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ADW_SOFTC *sc = sc_link->adapter_softc;
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ADW_CCB *ccb;
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int s, fromqueue = 1, dontqueue = 0, retry = 0;
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int s, fromqueue = 1, dontqueue = 0, nowait = 0, retry = 0;
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int flags;
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s = splbio(); /* protect the queue */
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@ -705,6 +706,7 @@ adw_scsi_cmd(xs)
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if (xs == TAILQ_FIRST(&sc->sc_queue)) {
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TAILQ_REMOVE(&sc->sc_queue, xs, adapter_q);
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fromqueue = 1;
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nowait = 1;
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} else {
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/* Polled requests can't be queued for later. */
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@ -740,7 +742,10 @@ adw_scsi_cmd(xs)
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* then we can't allow it to sleep
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*/
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if ((ccb = adw_get_ccb(sc, xs->xs_control)) == NULL) {
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flags = xs->xs_control;
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if (nowait)
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flags |= XS_CTL_NOSLEEP;
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if ((ccb = adw_get_ccb(sc, flags)) == NULL) {
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/*
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* If we can't queue, we lose.
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*/
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@ -765,7 +770,7 @@ adw_scsi_cmd(xs)
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ccb->xs = xs;
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ccb->timeout = xs->timeout;
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if (adw_build_req(xs, ccb)) {
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if (adw_build_req(xs, ccb, flags)) {
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retryagain:
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s = splbio();
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retry = adw_queue_ccb(sc, ccb, retry);
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@ -804,9 +809,10 @@ retryagain:
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* Build a request structure for the Wide Boards.
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*/
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static int
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adw_build_req(xs, ccb)
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adw_build_req(xs, ccb, flags)
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struct scsipi_xfer *xs;
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ADW_CCB *ccb;
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int flags;
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{
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struct scsipi_link *sc_link = xs->sc_link;
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ADW_SOFTC *sc = sc_link->adapter_softc;
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@ -853,14 +859,14 @@ adw_build_req(xs, ccb)
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if (xs->xs_control & SCSI_DATA_UIO) {
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error = bus_dmamap_load_uio(dmat,
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ccb->dmamap_xfer, (struct uio *) xs->data,
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(xs->xs_control & XS_CTL_NOSLEEP) ?
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(flags & XS_CTL_NOSLEEP) ?
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BUS_DMA_NOWAIT : BUS_DMA_WAITOK);
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} else
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#endif /* TFS */
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{
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error = bus_dmamap_load(dmat,
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ccb->dmamap_xfer, xs->data, xs->datalen, NULL,
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(xs->xs_control & XS_CTL_NOSLEEP) ?
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(flags & XS_CTL_NOSLEEP) ?
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BUS_DMA_NOWAIT : BUS_DMA_WAITOK);
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}
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@ -1,4 +1,4 @@
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/* $NetBSD: aha.c,v 1.24 1999/09/30 23:04:40 thorpej Exp $ */
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/* $NetBSD: aha.c,v 1.25 2000/02/12 19:12:52 thorpej Exp $ */
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#include "opt_ddb.h"
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@ -1182,7 +1182,7 @@ aha_scsi_cmd(xs)
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bus_dma_tag_t dmat = sc->sc_dmat;
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struct aha_ccb *ccb;
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int error, seg, flags, s;
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int fromqueue = 0, dontqueue = 0;
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int fromqueue = 0, dontqueue = 0, nowait = 0;
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SC_DEBUG(sc_link, SDEV_DB2, ("aha_scsi_cmd\n"));
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@ -1195,6 +1195,7 @@ aha_scsi_cmd(xs)
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if (xs == TAILQ_FIRST(&sc->sc_queue)) {
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TAILQ_REMOVE(&sc->sc_queue, xs, adapter_q);
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fromqueue = 1;
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nowait = 1;
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goto get_ccb;
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}
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@ -1231,6 +1232,8 @@ aha_scsi_cmd(xs)
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* then we can't allow it to sleep
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*/
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flags = xs->xs_control;
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if (nowait)
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flags |= XS_CTL_NOSLEEP;
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if ((ccb = aha_get_ccb(sc, flags)) == NULL) {
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/*
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* If we can't queue, we lose.
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@ -1,4 +1,4 @@
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/* $NetBSD: aic7xxx.c,v 1.40 2000/02/03 06:25:09 thorpej Exp $ */
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/* $NetBSD: aic7xxx.c,v 1.41 2000/02/12 19:12:53 thorpej Exp $ */
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/*
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* Generic driver for the aic7xxx based adaptec SCSI controllers
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@ -2526,7 +2526,7 @@ ahc_scsi_cmd(xs)
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u_short mask;
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int s;
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#if defined(__NetBSD__) /* XXX */
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int dontqueue = 0, fromqueue = 0;
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int dontqueue = 0, fromqueue = 0, nowait = 0;
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int error;
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#endif
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@ -2553,6 +2553,7 @@ ahc_scsi_cmd(xs)
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if (xs == TAILQ_FIRST(&ahc->sc_q)) {
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TAILQ_REMOVE(&ahc->sc_q, xs, adapter_q);
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fromqueue = 1;
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nowait = 1;
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goto get_scb;
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}
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@ -2591,6 +2592,8 @@ ahc_scsi_cmd(xs)
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* then we can't allow it to sleep
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*/
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flags = xs->xs_control;
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if (nowait)
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flags |= XS_CTL_NOSLEEP;
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if (!(scb = ahc_get_scb(ahc, flags))) {
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#if defined(__NetBSD__) /* XXX */
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/*
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@ -1,4 +1,4 @@
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/* $NetBSD: bha.c,v 1.33 1999/10/09 22:46:20 mycroft Exp $ */
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/* $NetBSD: bha.c,v 1.34 2000/02/12 19:12:53 thorpej Exp $ */
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/*-
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* Copyright (c) 1997, 1998, 1999 The NetBSD Foundation, Inc.
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@ -292,7 +292,7 @@ bha_scsi_cmd(xs)
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bus_dma_tag_t dmat = sc->sc_dmat;
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struct bha_ccb *ccb;
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int error, seg, flags, s;
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int fromqueue = 0, dontqueue = 0;
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int fromqueue = 0, dontqueue = 0, nowait = 0;
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SC_DEBUG(sc_link, SDEV_DB2, ("bha_scsi_cmd\n"));
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@ -305,6 +305,7 @@ bha_scsi_cmd(xs)
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if (xs == TAILQ_FIRST(&sc->sc_queue)) {
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TAILQ_REMOVE(&sc->sc_queue, xs, adapter_q);
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fromqueue = 1;
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nowait = 1;
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goto get_ccb;
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}
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@ -341,6 +342,8 @@ bha_scsi_cmd(xs)
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* then we can't allow it to sleep
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*/
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flags = xs->xs_control;
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if (nowait)
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flags |= XS_CTL_NOSLEEP;
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if ((ccb = bha_get_ccb(sc, flags)) == NULL) {
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/*
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* If we can't queue, we lose.
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@ -1,4 +1,4 @@
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/* $NetBSD: dpt.c,v 1.17 2000/01/16 14:08:42 ad Exp $ */
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/* $NetBSD: dpt.c,v 1.18 2000/02/12 19:12:54 thorpej Exp $ */
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/*-
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* Copyright (c) 1997, 1998, 1999, 2000 The NetBSD Foundation, Inc.
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@ -69,7 +69,7 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: dpt.c,v 1.17 2000/01/16 14:08:42 ad Exp $");
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__KERNEL_RCSID(0, "$NetBSD: dpt.c,v 1.18 2000/02/12 19:12:54 thorpej Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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@ -801,7 +801,7 @@ int
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dpt_scsi_cmd(xs)
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struct scsipi_xfer *xs;
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{
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int error, i, flags, s, fromqueue, dontqueue;
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int error, i, flags, s, fromqueue, dontqueue, nowait;
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struct scsipi_link *sc_link;
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struct dpt_softc *sc;
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struct dpt_ccb *ccb;
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@ -816,6 +816,7 @@ dpt_scsi_cmd(xs)
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dmat = sc->sc_dmat;
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fromqueue = 0;
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dontqueue = 0;
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nowait = 0;
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SC_DEBUG(sc_link, SDEV_DB2, ("dpt_scsi_cmd\n"));
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@ -829,6 +830,7 @@ dpt_scsi_cmd(xs)
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if (xs == TAILQ_FIRST(&sc->sc_queue)) {
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TAILQ_REMOVE(&sc->sc_queue, xs, adapter_q);
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fromqueue = 1;
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nowait = 1;
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} else {
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/* Cmds must be no more than 12 bytes for us */
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if (xs->cmdlen > 12) {
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@ -867,6 +869,8 @@ dpt_scsi_cmd(xs)
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}
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/* Get a CCB */
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if (nowait)
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flags |= XS_CTL_NOSLEEP;
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if ((ccb = dpt_alloc_ccb(sc, flags)) == NULL) {
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/* If we can't queue, we lose */
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if (dontqueue) {
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@ -1,4 +1,4 @@
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/* $NetBSD: uha.c,v 1.22 1999/09/30 23:04:41 thorpej Exp $ */
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/* $NetBSD: uha.c,v 1.23 2000/02/12 19:12:54 thorpej Exp $ */
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#undef UHADEBUG
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#ifdef DDB
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@ -464,7 +464,7 @@ uha_scsi_cmd(xs)
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struct uha_mscp *mscp;
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struct uha_dma_seg *sg;
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int error, seg, flags, s;
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int fromqueue = 0, dontqueue = 0;
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int fromqueue = 0, dontqueue = 0, nowait = 0;
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SC_DEBUG(sc_link, SDEV_DB2, ("uha_scsi_cmd\n"));
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@ -477,6 +477,7 @@ uha_scsi_cmd(xs)
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if (xs == TAILQ_FIRST(&sc->sc_queue)) {
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TAILQ_REMOVE(&sc->sc_queue, xs, adapter_q);
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fromqueue = 1;
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nowait = 1;
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goto get_mscp;
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}
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@ -513,6 +514,8 @@ uha_scsi_cmd(xs)
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* then we can't allow it to sleep
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*/
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flags = xs->xs_control;
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if (nowait)
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flags |= XS_CTL_NOSLEEP;
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if ((mscp = uha_get_mscp(sc, flags)) == NULL) {
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/*
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* If we can't queue, we lose.
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