diff options
Diffstat (limited to 'drivers/ata/libata-sata.c')
-rw-r--r-- | drivers/ata/libata-sata.c | 50 |
1 files changed, 42 insertions, 8 deletions
diff --git a/drivers/ata/libata-sata.c b/drivers/ata/libata-sata.c index b6806d41a8c5..18ef14e749a0 100644 --- a/drivers/ata/libata-sata.c +++ b/drivers/ata/libata-sata.c @@ -1392,7 +1392,7 @@ static int ata_eh_read_log_10h(struct ata_device *dev, tf->hob_lbah = buf[10]; tf->nsect = buf[12]; tf->hob_nsect = buf[13]; - if (dev->class == ATA_DEV_ZAC && ata_id_has_ncq_autosense(dev->id)) + if (ata_id_has_ncq_autosense(dev->id) && (tf->status & ATA_SENSE)) tf->auxiliary = buf[14] << 16 | buf[15] << 8 | buf[16]; return 0; @@ -1420,7 +1420,7 @@ void ata_eh_analyze_ncq_error(struct ata_link *link) int tag, rc; /* if frozen, we can't do much */ - if (ap->pflags & ATA_PFLAG_FROZEN) + if (ata_port_is_frozen(ap)) return; /* is it NCQ device error? */ @@ -1456,17 +1456,51 @@ void ata_eh_analyze_ncq_error(struct ata_link *link) memcpy(&qc->result_tf, &tf, sizeof(tf)); qc->result_tf.flags = ATA_TFLAG_ISADDR | ATA_TFLAG_LBA | ATA_TFLAG_LBA48; qc->err_mask |= AC_ERR_DEV | AC_ERR_NCQ; - if (dev->class == ATA_DEV_ZAC && - ((qc->result_tf.status & ATA_SENSE) || qc->result_tf.auxiliary)) { + + /* + * If the device supports NCQ autosense, ata_eh_read_log_10h() will have + * stored the sense data in qc->result_tf.auxiliary. + */ + if (qc->result_tf.auxiliary) { char sense_key, asc, ascq; sense_key = (qc->result_tf.auxiliary >> 16) & 0xff; asc = (qc->result_tf.auxiliary >> 8) & 0xff; ascq = qc->result_tf.auxiliary & 0xff; - ata_scsi_set_sense(dev, qc->scsicmd, sense_key, asc, ascq); - ata_scsi_set_sense_information(dev, qc->scsicmd, - &qc->result_tf); - qc->flags |= ATA_QCFLAG_SENSE_VALID; + if (ata_scsi_sense_is_valid(sense_key, asc, ascq)) { + ata_scsi_set_sense(dev, qc->scsicmd, sense_key, asc, + ascq); + ata_scsi_set_sense_information(dev, qc->scsicmd, + &qc->result_tf); + qc->flags |= ATA_QCFLAG_SENSE_VALID; + } + } + + ata_qc_for_each_raw(ap, qc, tag) { + if (!(qc->flags & ATA_QCFLAG_FAILED) || + ata_dev_phys_link(qc->dev) != link) + continue; + + /* Skip the single QC which caused the NCQ error. */ + if (qc->err_mask) + continue; + + /* + * For SATA, the STATUS and ERROR fields are shared for all NCQ + * commands that were completed with the same SDB FIS. + * Therefore, we have to clear the ATA_ERR bit for all QCs + * except the one that caused the NCQ error. + */ + qc->result_tf.status &= ~ATA_ERR; + qc->result_tf.error = 0; + + /* + * If we get a NCQ error, that means that a single command was + * aborted. All other failed commands for our link should be + * retried and has no business of going though further scrutiny + * by ata_eh_link_autopsy(). + */ + qc->flags |= ATA_QCFLAG_RETRY; } ehc->i.err_mask &= ~AC_ERR_DEV; |