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Fix panic, when due to some kind of congestion on FIS-based switching
port multiplier some command triggers false positive timeout, but then completes normally. MFC after: 2 weeks
This commit is contained in:
parent
2c9879e8d3
commit
bf12976c76
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=212732
@ -1854,6 +1854,7 @@ ahci_end_transaction(struct ahci_slot *slot, enum ahci_err_type et)
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device_t dev = slot->dev;
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device_t dev = slot->dev;
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struct ahci_channel *ch = device_get_softc(dev);
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struct ahci_channel *ch = device_get_softc(dev);
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union ccb *ccb = slot->ccb;
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union ccb *ccb = slot->ccb;
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int lastto;
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bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map,
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bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map,
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BUS_DMASYNC_POSTWRITE);
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BUS_DMASYNC_POSTWRITE);
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@ -1955,11 +1956,6 @@ ahci_end_transaction(struct ahci_slot *slot, enum ahci_err_type et)
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ch->oslots &= ~(1 << slot->slot);
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ch->oslots &= ~(1 << slot->slot);
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ch->rslots &= ~(1 << slot->slot);
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ch->rslots &= ~(1 << slot->slot);
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ch->aslots &= ~(1 << slot->slot);
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ch->aslots &= ~(1 << slot->slot);
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if (et != AHCI_ERR_TIMEOUT) {
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if (ch->toslots == (1 << slot->slot))
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xpt_release_simq(ch->sim, TRUE);
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ch->toslots &= ~(1 << slot->slot);
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}
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slot->state = AHCI_SLOT_EMPTY;
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slot->state = AHCI_SLOT_EMPTY;
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slot->ccb = NULL;
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slot->ccb = NULL;
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/* Update channel stats. */
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/* Update channel stats. */
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@ -1970,6 +1966,13 @@ ahci_end_transaction(struct ahci_slot *slot, enum ahci_err_type et)
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ch->numtslots--;
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ch->numtslots--;
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ch->numtslotspd[ccb->ccb_h.target_id]--;
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ch->numtslotspd[ccb->ccb_h.target_id]--;
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}
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}
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/* Cancel timeout state if request completed normally. */
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if (et != AHCI_ERR_TIMEOUT) {
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lastto = (ch->toslots == (1 << slot->slot));
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ch->toslots &= ~(1 << slot->slot);
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if (lastto)
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xpt_release_simq(ch->sim, TRUE);
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}
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/* If it was first request of reset sequence and there is no error,
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/* If it was first request of reset sequence and there is no error,
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* proceed to second request. */
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* proceed to second request. */
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if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
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if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
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@ -1552,6 +1552,7 @@ mvs_end_transaction(struct mvs_slot *slot, enum mvs_err_type et)
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device_t dev = slot->dev;
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device_t dev = slot->dev;
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struct mvs_channel *ch = device_get_softc(dev);
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struct mvs_channel *ch = device_get_softc(dev);
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union ccb *ccb = slot->ccb;
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union ccb *ccb = slot->ccb;
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int lastto;
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//device_printf(dev, "cmd done status %d\n", et);
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//device_printf(dev, "cmd done status %d\n", et);
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bus_dmamap_sync(ch->dma.workrq_tag, ch->dma.workrq_map,
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bus_dmamap_sync(ch->dma.workrq_tag, ch->dma.workrq_map,
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@ -1634,11 +1635,6 @@ mvs_end_transaction(struct mvs_slot *slot, enum mvs_err_type et)
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ch->oslots &= ~(1 << slot->slot);
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ch->oslots &= ~(1 << slot->slot);
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ch->rslots &= ~(1 << slot->slot);
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ch->rslots &= ~(1 << slot->slot);
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ch->aslots &= ~(1 << slot->slot);
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ch->aslots &= ~(1 << slot->slot);
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if (et != MVS_ERR_TIMEOUT) {
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if (ch->toslots == (1 << slot->slot))
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xpt_release_simq(ch->sim, TRUE);
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ch->toslots &= ~(1 << slot->slot);
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}
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slot->state = MVS_SLOT_EMPTY;
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slot->state = MVS_SLOT_EMPTY;
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slot->ccb = NULL;
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slot->ccb = NULL;
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/* Update channel stats. */
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/* Update channel stats. */
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@ -1658,6 +1654,13 @@ mvs_end_transaction(struct mvs_slot *slot, enum mvs_err_type et)
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ch->numpslots--;
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ch->numpslots--;
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ch->basic_dma = 0;
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ch->basic_dma = 0;
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}
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}
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/* Cancel timeout state if request completed normally. */
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if (et != MVS_ERR_TIMEOUT) {
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lastto = (ch->toslots == (1 << slot->slot));
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ch->toslots &= ~(1 << slot->slot);
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if (lastto)
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xpt_release_simq(ch->sim, TRUE);
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}
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/* If it was our READ LOG command - process it. */
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/* If it was our READ LOG command - process it. */
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if (ch->readlog) {
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if (ch->readlog) {
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mvs_process_read_log(dev, ccb);
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mvs_process_read_log(dev, ccb);
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@ -1179,6 +1179,7 @@ siis_end_transaction(struct siis_slot *slot, enum siis_err_type et)
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device_t dev = slot->dev;
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device_t dev = slot->dev;
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struct siis_channel *ch = device_get_softc(dev);
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struct siis_channel *ch = device_get_softc(dev);
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union ccb *ccb = slot->ccb;
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union ccb *ccb = slot->ccb;
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int lastto;
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mtx_assert(&ch->mtx, MA_OWNED);
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mtx_assert(&ch->mtx, MA_OWNED);
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bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map,
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bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map,
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@ -1262,11 +1263,6 @@ siis_end_transaction(struct siis_slot *slot, enum siis_err_type et)
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ch->oslots &= ~(1 << slot->slot);
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ch->oslots &= ~(1 << slot->slot);
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ch->rslots &= ~(1 << slot->slot);
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ch->rslots &= ~(1 << slot->slot);
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ch->aslots &= ~(1 << slot->slot);
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ch->aslots &= ~(1 << slot->slot);
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if (et != SIIS_ERR_TIMEOUT) {
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if (ch->toslots == (1 << slot->slot))
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xpt_release_simq(ch->sim, TRUE);
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ch->toslots &= ~(1 << slot->slot);
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}
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slot->state = SIIS_SLOT_EMPTY;
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slot->state = SIIS_SLOT_EMPTY;
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slot->ccb = NULL;
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slot->ccb = NULL;
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/* Update channel stats. */
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/* Update channel stats. */
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@ -1275,6 +1271,13 @@ siis_end_transaction(struct siis_slot *slot, enum siis_err_type et)
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(ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) {
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(ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) {
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ch->numtslots[ccb->ccb_h.target_id]--;
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ch->numtslots[ccb->ccb_h.target_id]--;
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}
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}
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/* Cancel timeout state if request completed normally. */
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if (et != SIIS_ERR_TIMEOUT) {
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lastto = (ch->toslots == (1 << slot->slot));
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ch->toslots &= ~(1 << slot->slot);
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if (lastto)
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xpt_release_simq(ch->sim, TRUE);
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}
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/* If it was our READ LOG command - process it. */
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/* If it was our READ LOG command - process it. */
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if (ch->readlog) {
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if (ch->readlog) {
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siis_process_read_log(dev, ccb);
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siis_process_read_log(dev, ccb);
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