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libata-eh: Set 'information' field for autosense

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If NCQ autosense or the sense data reporting feature is enabled
the LBA of the offending command should be stored in the sense
data 'information' field.

tj: s/(u64)-1/U64_MAX/

Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Hannes Reinecke 2016-04-04 11:43:59 +02:00 committed by Tejun Heo
parent cf8b49b0af
commit 492bf62107
3 changed files with 22 additions and 0 deletions
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2
drivers/ata/libata-eh.c
View File

@ -1856,6 +1856,8 @@ void ata_eh_analyze_ncq_error(struct ata_link *link)
asc = (qc->result_tf.auxiliary >> 8) & 0xff;
ascq = qc->result_tf.auxiliary & 0xff;
ata_scsi_set_sense(qc->scsicmd, sense_key, asc, ascq);
ata_scsi_set_sense_information(dev, qc->scsicmd,
&qc->result_tf);
qc->flags |= ATA_QCFLAG_SENSE_VALID;
}

17
drivers/ata/libata-scsi.c
View File

@ -280,6 +280,23 @@ void ata_scsi_set_sense(struct scsi_cmnd *cmd, u8 sk, u8 asc, u8 ascq)
scsi_build_sense_buffer(0, cmd->sense_buffer, sk, asc, ascq);
}
void ata_scsi_set_sense_information(struct ata_device *dev,
struct scsi_cmnd *cmd,
const struct ata_taskfile *tf)
{
u64 information;
if (!cmd)
return;
information = ata_tf_read_block(tf, dev);
if (information == U64_MAX)
return;
scsi_set_sense_information(cmd->sense_buffer,
SCSI_SENSE_BUFFERSIZE, information);
}
static ssize_t
ata_scsi_em_message_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)

3
drivers/ata/libata.h
View File

@ -139,6 +139,9 @@ extern int ata_scsi_add_hosts(struct ata_host *host,
extern void ata_scsi_scan_host(struct ata_port *ap, int sync);
extern int ata_scsi_offline_dev(struct ata_device *dev);
extern void ata_scsi_set_sense(struct scsi_cmnd *cmd, u8 sk, u8 asc, u8 ascq);
extern void ata_scsi_set_sense_information(struct ata_device *dev,
struct scsi_cmnd *cmd,
const struct ata_taskfile *tf);
extern void ata_scsi_media_change_notify(struct ata_device *dev);
extern void ata_scsi_hotplug(struct work_struct *work);
extern void ata_schedule_scsi_eh(struct Scsi_Host *shost);