diff options
Diffstat (limited to 'drivers/ata/libata-eh.c')
| -rw-r--r-- | drivers/ata/libata-eh.c | 40 |
1 files changed, 24 insertions, 16 deletions
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index 08e11bc312c2..34303ce67c14 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -1406,7 +1406,7 @@ static void ata_eh_request_sense(struct ata_queued_cmd *qc) struct ata_taskfile tf; unsigned int err_mask; - if (qc->ap->pflags & ATA_PFLAG_FROZEN) { + if (ata_port_is_frozen(qc->ap)) { ata_dev_warn(dev, "sense data available but port frozen\n"); return; } @@ -1428,8 +1428,10 @@ static void ata_eh_request_sense(struct ata_queued_cmd *qc) err_mask = ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0, 0); /* Ignore err_mask; ATA_ERR might be set */ if (tf.status & ATA_SENSE) { - ata_scsi_set_sense(dev, cmd, tf.lbah, tf.lbam, tf.lbal); - qc->flags |= ATA_QCFLAG_SENSE_VALID; + if (ata_scsi_sense_is_valid(tf.lbah, tf.lbam, tf.lbal)) { + ata_scsi_set_sense(dev, cmd, tf.lbah, tf.lbam, tf.lbal); + qc->flags |= ATA_QCFLAG_SENSE_VALID; + } } else { ata_dev_warn(dev, "request sense failed stat %02x emask %x\n", tf.status, err_mask); @@ -1574,11 +1576,17 @@ static unsigned int ata_eh_analyze_tf(struct ata_queued_cmd *qc) } switch (qc->dev->class) { + case ATA_DEV_ATA: case ATA_DEV_ZAC: - if (stat & ATA_SENSE) + /* + * Fetch the sense data explicitly if: + * -It was a non-NCQ command that failed, or + * -It was a NCQ command that failed, but the sense data + * was not included in the NCQ command error log + * (i.e. NCQ autosense is not supported by the device). + */ + if (!(qc->flags & ATA_QCFLAG_SENSE_VALID) && (stat & ATA_SENSE)) ata_eh_request_sense(qc); - fallthrough; - case ATA_DEV_ATA: if (err & ATA_ICRC) qc->err_mask |= AC_ERR_ATA_BUS; if (err & (ATA_UNC | ATA_AMNF)) @@ -1588,7 +1596,7 @@ static unsigned int ata_eh_analyze_tf(struct ata_queued_cmd *qc) break; case ATA_DEV_ATAPI: - if (!(qc->ap->pflags & ATA_PFLAG_FROZEN)) { + if (!ata_port_is_frozen(qc->ap)) { tmp = atapi_eh_request_sense(qc->dev, qc->scsicmd->sense_buffer, qc->result_tf.error >> 4); @@ -1947,6 +1955,7 @@ static void ata_eh_link_autopsy(struct ata_link *link) ata_qc_for_each_raw(ap, qc, tag) { if (!(qc->flags & ATA_QCFLAG_FAILED) || + qc->flags & ATA_QCFLAG_RETRY || ata_dev_phys_link(qc->dev) != link) continue; @@ -1995,7 +2004,7 @@ static void ata_eh_link_autopsy(struct ata_link *link) ehc->i.flags |= ATA_EHI_QUIET; /* enforce default EH actions */ - if (ap->pflags & ATA_PFLAG_FROZEN || + if (ata_port_is_frozen(ap) || all_err_mask & (AC_ERR_HSM | AC_ERR_TIMEOUT)) ehc->i.action |= ATA_EH_RESET; else if (((eflags & ATA_EFLAG_IS_IO) && all_err_mask) || @@ -2238,7 +2247,7 @@ static void ata_eh_link_report(struct ata_link *link) return; frozen = ""; - if (ap->pflags & ATA_PFLAG_FROZEN) + if (ata_port_is_frozen(ap)) frozen = " frozen"; if (ap->eh_tries < ATA_EH_MAX_TRIES) @@ -2559,8 +2568,7 @@ int ata_eh_reset(struct ata_link *link, int classify, if (reset && !(ehc->i.action & ATA_EH_RESET)) { ata_for_each_dev(dev, link, ALL) classes[dev->devno] = ATA_DEV_NONE; - if ((ap->pflags & ATA_PFLAG_FROZEN) && - ata_is_host_link(link)) + if (ata_port_is_frozen(ap) && ata_is_host_link(link)) ata_eh_thaw_port(ap); rc = 0; goto out; @@ -2718,7 +2726,7 @@ int ata_eh_reset(struct ata_link *link, int classify, ap->pflags &= ~ATA_PFLAG_EH_PENDING; spin_unlock_irqrestore(link->ap->lock, flags); - if (ap->pflags & ATA_PFLAG_FROZEN) + if (ata_port_is_frozen(ap)) ata_eh_thaw_port(ap); /* @@ -3225,7 +3233,7 @@ static int ata_eh_maybe_retry_flush(struct ata_device *dev) if (err_mask & AC_ERR_DEV) { qc->err_mask |= AC_ERR_DEV; qc->result_tf = tf; - if (!(ap->pflags & ATA_PFLAG_FROZEN)) + if (!ata_port_is_frozen(ap)) rc = 0; } } @@ -3402,7 +3410,7 @@ static int ata_eh_skip_recovery(struct ata_link *link) return 1; /* thaw frozen port and recover failed devices */ - if ((ap->pflags & ATA_PFLAG_FROZEN) || ata_link_nr_enabled(link)) + if (ata_port_is_frozen(ap) || ata_link_nr_enabled(link)) return 0; /* reset at least once if reset is requested */ @@ -3757,7 +3765,7 @@ int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset, if (dev) ata_eh_handle_dev_fail(dev, rc); - if (ap->pflags & ATA_PFLAG_FROZEN) { + if (ata_port_is_frozen(ap)) { /* PMP reset requires working host port. * Can't retry if it's frozen. */ @@ -3931,7 +3939,7 @@ static void ata_eh_handle_port_suspend(struct ata_port *ap) ap->pflags &= ~ATA_PFLAG_PM_PENDING; if (rc == 0) ap->pflags |= ATA_PFLAG_SUSPENDED; - else if (ap->pflags & ATA_PFLAG_FROZEN) + else if (ata_port_is_frozen(ap)) ata_port_schedule_eh(ap); spin_unlock_irqrestore(ap->lock, flags); |