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Diffstat (limited to 'drivers/ata/libata-eh.c')
-rw-r--r--drivers/ata/libata-eh.c154
1 files changed, 78 insertions, 76 deletions
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index 7f099d6e4e0..ed16fbedaab 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -782,8 +782,9 @@ void ata_scsi_port_error_handler(struct Scsi_Host *host, struct ata_port *ap)
spin_unlock_irqrestore(ap->lock, flags);
goto repeat;
}
- ata_port_printk(ap, KERN_ERR, "EH pending after %d "
- "tries, giving up\n", ATA_EH_MAX_TRIES);
+ ata_port_err(ap,
+ "EH pending after %d tries, giving up\n",
+ ATA_EH_MAX_TRIES);
ap->pflags &= ~ATA_PFLAG_EH_PENDING;
}
@@ -816,7 +817,7 @@ void ata_scsi_port_error_handler(struct Scsi_Host *host, struct ata_port *ap)
schedule_delayed_work(&ap->hotplug_task, 0);
if (ap->pflags & ATA_PFLAG_RECOVERED)
- ata_port_printk(ap, KERN_INFO, "EH complete\n");
+ ata_port_info(ap, "EH complete\n");
ap->pflags &= ~(ATA_PFLAG_SCSI_HOTPLUG | ATA_PFLAG_RECOVERED);
@@ -1310,7 +1311,7 @@ void ata_dev_disable(struct ata_device *dev)
return;
if (ata_msg_drv(dev->link->ap))
- ata_dev_printk(dev, KERN_WARNING, "disabled\n");
+ ata_dev_warn(dev, "disabled\n");
ata_acpi_on_disable(dev);
ata_down_xfermask_limit(dev, ATA_DNXFER_FORCE_PIO0 | ATA_DNXFER_QUIET);
dev->class++;
@@ -1515,8 +1516,8 @@ static int ata_eh_read_log_10h(struct ata_device *dev,
for (i = 0; i < ATA_SECT_SIZE; i++)
csum += buf[i];
if (csum)
- ata_dev_printk(dev, KERN_WARNING,
- "invalid checksum 0x%x on log page 10h\n", csum);
+ ata_dev_warn(dev, "invalid checksum 0x%x on log page 10h\n",
+ csum);
if (buf[0] & 0x80)
return -ENOENT;
@@ -1716,14 +1717,14 @@ void ata_eh_analyze_ncq_error(struct ata_link *link)
memset(&tf, 0, sizeof(tf));
rc = ata_eh_read_log_10h(dev, &tag, &tf);
if (rc) {
- ata_link_printk(link, KERN_ERR, "failed to read log page 10h "
- "(errno=%d)\n", rc);
+ ata_link_err(link, "failed to read log page 10h (errno=%d)\n",
+ rc);
return;
}
if (!(link->sactive & (1 << tag))) {
- ata_link_printk(link, KERN_ERR, "log page 10h reported "
- "inactive tag %d\n", tag);
+ ata_link_err(link, "log page 10h reported inactive tag %d\n",
+ tag);
return;
}
@@ -1988,8 +1989,7 @@ static unsigned int ata_eh_speed_down(struct ata_device *dev,
(dev->flags & (ATA_DFLAG_PIO | ATA_DFLAG_NCQ |
ATA_DFLAG_NCQ_OFF)) == ATA_DFLAG_NCQ) {
dev->flags |= ATA_DFLAG_NCQ_OFF;
- ata_dev_printk(dev, KERN_WARNING,
- "NCQ disabled due to excessive errors\n");
+ ata_dev_warn(dev, "NCQ disabled due to excessive errors\n");
goto done;
}
@@ -2374,24 +2374,24 @@ static void ata_eh_link_report(struct ata_link *link)
ap->eh_tries);
if (ehc->i.dev) {
- ata_dev_printk(ehc->i.dev, KERN_ERR, "exception Emask 0x%x "
- "SAct 0x%x SErr 0x%x action 0x%x%s%s\n",
- ehc->i.err_mask, link->sactive, ehc->i.serror,
- ehc->i.action, frozen, tries_buf);
+ ata_dev_err(ehc->i.dev, "exception Emask 0x%x "
+ "SAct 0x%x SErr 0x%x action 0x%x%s%s\n",
+ ehc->i.err_mask, link->sactive, ehc->i.serror,
+ ehc->i.action, frozen, tries_buf);
if (desc)
- ata_dev_printk(ehc->i.dev, KERN_ERR, "%s\n", desc);
+ ata_dev_err(ehc->i.dev, "%s\n", desc);
} else {
- ata_link_printk(link, KERN_ERR, "exception Emask 0x%x "
- "SAct 0x%x SErr 0x%x action 0x%x%s%s\n",
- ehc->i.err_mask, link->sactive, ehc->i.serror,
- ehc->i.action, frozen, tries_buf);
+ ata_link_err(link, "exception Emask 0x%x "
+ "SAct 0x%x SErr 0x%x action 0x%x%s%s\n",
+ ehc->i.err_mask, link->sactive, ehc->i.serror,
+ ehc->i.action, frozen, tries_buf);
if (desc)
- ata_link_printk(link, KERN_ERR, "%s\n", desc);
+ ata_link_err(link, "%s\n", desc);
}
#ifdef CONFIG_ATA_VERBOSE_ERROR
if (ehc->i.serror)
- ata_link_printk(link, KERN_ERR,
+ ata_link_err(link,
"SError: { %s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s}\n",
ehc->i.serror & SERR_DATA_RECOVERED ? "RecovData " : "",
ehc->i.serror & SERR_COMM_RECOVERED ? "RecovComm " : "",
@@ -2456,11 +2456,11 @@ static void ata_eh_link_report(struct ata_link *link)
} else {
const char *descr = ata_get_cmd_descript(cmd->command);
if (descr)
- ata_dev_printk(qc->dev, KERN_ERR,
- "failed command: %s\n", descr);
+ ata_dev_err(qc->dev, "failed command: %s\n",
+ descr);
}
- ata_dev_printk(qc->dev, KERN_ERR,
+ ata_dev_err(qc->dev,
"cmd %02x/%02x:%02x:%02x:%02x:%02x/%02x:%02x:%02x:%02x:%02x/%02x "
"tag %d%s\n %s"
"res %02x/%02x:%02x:%02x:%02x:%02x/%02x:%02x:%02x:%02x:%02x/%02x "
@@ -2481,11 +2481,9 @@ static void ata_eh_link_report(struct ata_link *link)
if (res->command & (ATA_BUSY | ATA_DRDY | ATA_DF | ATA_DRQ |
ATA_ERR)) {
if (res->command & ATA_BUSY)
- ata_dev_printk(qc->dev, KERN_ERR,
- "status: { Busy }\n");
+ ata_dev_err(qc->dev, "status: { Busy }\n");
else
- ata_dev_printk(qc->dev, KERN_ERR,
- "status: { %s%s%s%s}\n",
+ ata_dev_err(qc->dev, "status: { %s%s%s%s}\n",
res->command & ATA_DRDY ? "DRDY " : "",
res->command & ATA_DF ? "DF " : "",
res->command & ATA_DRQ ? "DRQ " : "",
@@ -2495,8 +2493,7 @@ static void ata_eh_link_report(struct ata_link *link)
if (cmd->command != ATA_CMD_PACKET &&
(res->feature & (ATA_ICRC | ATA_UNC | ATA_IDNF |
ATA_ABORTED)))
- ata_dev_printk(qc->dev, KERN_ERR,
- "error: { %s%s%s%s}\n",
+ ata_dev_err(qc->dev, "error: { %s%s%s%s}\n",
res->feature & ATA_ICRC ? "ICRC " : "",
res->feature & ATA_UNC ? "UNC " : "",
res->feature & ATA_IDNF ? "IDNF " : "",
@@ -2650,8 +2647,7 @@ int ata_eh_reset(struct ata_link *link, int classify,
if (rc) {
if (rc == -ENOENT) {
- ata_link_printk(link, KERN_DEBUG,
- "port disabled. ignoring.\n");
+ ata_link_dbg(link, "port disabled--ignoring\n");
ehc->i.action &= ~ATA_EH_RESET;
ata_for_each_dev(dev, link, ALL)
@@ -2659,8 +2655,9 @@ int ata_eh_reset(struct ata_link *link, int classify,
rc = 0;
} else
- ata_link_printk(link, KERN_ERR,
- "prereset failed (errno=%d)\n", rc);
+ ata_link_err(link,
+ "prereset failed (errno=%d)\n",
+ rc);
goto out;
}
@@ -2689,8 +2686,8 @@ int ata_eh_reset(struct ata_link *link, int classify,
if (reset) {
if (verbose)
- ata_link_printk(link, KERN_INFO, "%s resetting link\n",
- reset == softreset ? "soft" : "hard");
+ ata_link_info(link, "%s resetting link\n",
+ reset == softreset ? "soft" : "hard");
/* mark that this EH session started with reset */
ehc->last_reset = jiffies;
@@ -2710,8 +2707,7 @@ int ata_eh_reset(struct ata_link *link, int classify,
int tmp;
if (verbose)
- ata_link_printk(slave, KERN_INFO,
- "hard resetting link\n");
+ ata_link_info(slave, "hard resetting link\n");
ata_eh_about_to_do(slave, NULL, ATA_EH_RESET);
tmp = ata_do_reset(slave, reset, classes, deadline,
@@ -2734,9 +2730,8 @@ int ata_eh_reset(struct ata_link *link, int classify,
reset = softreset;
if (!reset) {
- ata_link_printk(link, KERN_ERR,
- "follow-up softreset required "
- "but no softreset available\n");
+ ata_link_err(link,
+ "follow-up softreset required but no softreset available\n");
failed_link = link;
rc = -EINVAL;
goto fail;
@@ -2751,8 +2746,8 @@ int ata_eh_reset(struct ata_link *link, int classify,
}
} else {
if (verbose)
- ata_link_printk(link, KERN_INFO, "no reset method "
- "available, skipping reset\n");
+ ata_link_info(link,
+ "no reset method available, skipping reset\n");
if (!(lflags & ATA_LFLAG_ASSUME_CLASS))
lflags |= ATA_LFLAG_ASSUME_ATA;
}
@@ -2830,36 +2825,35 @@ int ata_eh_reset(struct ata_link *link, int classify,
ata_for_each_dev(dev, link, ALL) {
if (ata_phys_link_online(ata_dev_phys_link(dev))) {
if (classes[dev->devno] == ATA_DEV_UNKNOWN) {
- ata_dev_printk(dev, KERN_DEBUG, "link online "
- "but device misclassifed\n");
+ ata_dev_dbg(dev, "link online but device misclassified\n");
classes[dev->devno] = ATA_DEV_NONE;
nr_unknown++;
}
} else if (ata_phys_link_offline(ata_dev_phys_link(dev))) {
if (ata_class_enabled(classes[dev->devno]))
- ata_dev_printk(dev, KERN_DEBUG, "link offline, "
- "clearing class %d to NONE\n",
- classes[dev->devno]);
+ ata_dev_dbg(dev,
+ "link offline, clearing class %d to NONE\n",
+ classes[dev->devno]);
classes[dev->devno] = ATA_DEV_NONE;
} else if (classes[dev->devno] == ATA_DEV_UNKNOWN) {
- ata_dev_printk(dev, KERN_DEBUG, "link status unknown, "
- "clearing UNKNOWN to NONE\n");
+ ata_dev_dbg(dev,
+ "link status unknown, clearing UNKNOWN to NONE\n");
classes[dev->devno] = ATA_DEV_NONE;
}
}
if (classify && nr_unknown) {
if (try < max_tries) {
- ata_link_printk(link, KERN_WARNING, "link online but "
- "%d devices misclassified, retrying\n",
- nr_unknown);
+ ata_link_warn(link,
+ "link online but %d devices misclassified, retrying\n",
+ nr_unknown);
failed_link = link;
rc = -EAGAIN;
goto fail;
}
- ata_link_printk(link, KERN_WARNING,
- "link online but %d devices misclassified, "
- "device detection might fail\n", nr_unknown);
+ ata_link_warn(link,
+ "link online but %d devices misclassified, "
+ "device detection might fail\n", nr_unknown);
}
/* reset successful, schedule revalidation */
@@ -2889,14 +2883,23 @@ int ata_eh_reset(struct ata_link *link, int classify,
sata_scr_read(link, SCR_STATUS, &sstatus))
rc = -ERESTART;
- if (rc == -ERESTART || try >= max_tries)
+ if (rc == -ERESTART || try >= max_tries) {
+ /*
+ * Thaw host port even if reset failed, so that the port
+ * can be retried on the next phy event. This risks
+ * repeated EH runs but seems to be a better tradeoff than
+ * shutting down a port after a botched hotplug attempt.
+ */
+ if (ata_is_host_link(link))
+ ata_eh_thaw_port(ap);
goto out;
+ }
now = jiffies;
if (time_before(now, deadline)) {
unsigned long delta = deadline - now;
- ata_link_printk(failed_link, KERN_WARNING,
+ ata_link_warn(failed_link,
"reset failed (errno=%d), retrying in %u secs\n",
rc, DIV_ROUND_UP(jiffies_to_msecs(delta), 1000));
@@ -2987,7 +2990,7 @@ static void ata_eh_park_issue_cmd(struct ata_device *dev, int park)
tf.protocol |= ATA_PROT_NODATA;
err_mask = ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0, 0);
if (park && (err_mask || tf.lbal != 0xc4)) {
- ata_dev_printk(dev, KERN_ERR, "head unload failed!\n");
+ ata_dev_err(dev, "head unload failed!\n");
ehc->unloaded_mask &= ~(1 << dev->devno);
}
}
@@ -3198,8 +3201,9 @@ static int atapi_eh_clear_ua(struct ata_device *dev)
err_mask = atapi_eh_tur(dev, &sense_key);
if (err_mask != 0 && err_mask != AC_ERR_DEV) {
- ata_dev_printk(dev, KERN_WARNING, "TEST_UNIT_READY "
- "failed (err_mask=0x%x)\n", err_mask);
+ ata_dev_warn(dev,
+ "TEST_UNIT_READY failed (err_mask=0x%x)\n",
+ err_mask);
return -EIO;
}
@@ -3208,14 +3212,14 @@ static int atapi_eh_clear_ua(struct ata_device *dev)
err_mask = atapi_eh_request_sense(dev, sense_buffer, sense_key);
if (err_mask) {
- ata_dev_printk(dev, KERN_WARNING, "failed to clear "
+ ata_dev_warn(dev, "failed to clear "
"UNIT ATTENTION (err_mask=0x%x)\n", err_mask);
return -EIO;
}
}
- ata_dev_printk(dev, KERN_WARNING,
- "UNIT ATTENTION persists after %d tries\n", ATA_EH_UA_TRIES);
+ ata_dev_warn(dev, "UNIT ATTENTION persists after %d tries\n",
+ ATA_EH_UA_TRIES);
return 0;
}
@@ -3266,7 +3270,7 @@ static int ata_eh_maybe_retry_flush(struct ata_device *dev)
tf.flags |= ATA_TFLAG_DEVICE;
tf.protocol = ATA_PROT_NODATA;
- ata_dev_printk(dev, KERN_WARNING, "retrying FLUSH 0x%x Emask 0x%x\n",
+ ata_dev_warn(dev, "retrying FLUSH 0x%x Emask 0x%x\n",
tf.command, qc->err_mask);
err_mask = ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0, 0);
@@ -3281,7 +3285,7 @@ static int ata_eh_maybe_retry_flush(struct ata_device *dev)
*/
qc->scsicmd->allowed = max(qc->scsicmd->allowed, 1);
} else {
- ata_dev_printk(dev, KERN_WARNING, "FLUSH failed Emask 0x%x\n",
+ ata_dev_warn(dev, "FLUSH failed Emask 0x%x\n",
err_mask);
rc = -EIO;
@@ -3355,9 +3359,9 @@ static int ata_eh_set_lpm(struct ata_link *link, enum ata_lpm_policy policy,
err_mask = ata_dev_set_feature(dev,
SETFEATURES_SATA_DISABLE, SATA_DIPM);
if (err_mask && err_mask != AC_ERR_DEV) {
- ata_dev_printk(dev, KERN_WARNING,
- "failed to disable DIPM, Emask 0x%x\n",
- err_mask);
+ ata_dev_warn(dev,
+ "failed to disable DIPM, Emask 0x%x\n",
+ err_mask);
rc = -EIO;
goto fail;
}
@@ -3399,7 +3403,7 @@ static int ata_eh_set_lpm(struct ata_link *link, enum ata_lpm_policy policy,
err_mask = ata_dev_set_feature(dev,
SETFEATURES_SATA_ENABLE, SATA_DIPM);
if (err_mask && err_mask != AC_ERR_DEV) {
- ata_dev_printk(dev, KERN_WARNING,
+ ata_dev_warn(dev,
"failed to enable DIPM, Emask 0x%x\n",
err_mask);
rc = -EIO;
@@ -3418,8 +3422,7 @@ fail:
/* if no device or only one more chance is left, disable LPM */
if (!dev || ehc->tries[dev->devno] <= 2) {
- ata_link_printk(link, KERN_WARNING,
- "disabling LPM on the link\n");
+ ata_link_warn(link, "disabling LPM on the link\n");
link->flags |= ATA_LFLAG_NO_LPM;
}
if (r_failed_dev)
@@ -3690,8 +3693,7 @@ int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset,
rc = ata_eh_reset(link, ata_link_nr_vacant(link),
prereset, softreset, hardreset, postreset);
if (rc) {
- ata_link_printk(link, KERN_ERR,
- "reset failed, giving up\n");
+ ata_link_err(link, "reset failed, giving up\n");
goto out;
}
}