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libata-eh: Set 'information' field for autosense 

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);