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authorSakthivel K <Sakthivel.SaravananKamalRaju@pmcs.com>2013-03-19 18:08:08 +0530
committerJames Bottomley <JBottomley@Parallels.com>2013-05-10 07:47:51 -0700
commitc6b9ef5779c3e1edfa9de949d2a51252bc347663 (patch)
treea4902f4076effc0b56848ceb3aa497ced5537b33 /drivers/scsi/pm8001/pm8001_sas.c
parenta33a0155dae5a8fdc85a9853ca06d6d57b90a4d9 (diff)
download96b-common-c6b9ef5779c3e1edfa9de949d2a51252bc347663.tar.gz
[SCSI] pm80xx: NCQ error handling changes
Handled NCQ errors in the low level driver as the FW is not providing the faulty tag for NCQ errors for libsas to recover. [jejb: fix checkpatch issues] Signed-off-by: Anand Kumar S <AnandKumar.Santhanam@pmcs.com> Acked-by: Jack Wang <jack_wang@usish.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/pm8001/pm8001_sas.c')
-rw-r--r--drivers/scsi/pm8001/pm8001_sas.c22
1 files changed, 20 insertions, 2 deletions
diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c
index 6bba59c7d657..c720917d1388 100644
--- a/drivers/scsi/pm8001/pm8001_sas.c
+++ b/drivers/scsi/pm8001/pm8001_sas.c
@@ -68,7 +68,7 @@ static void pm8001_tag_clear(struct pm8001_hba_info *pm8001_ha, u32 tag)
clear_bit(tag, bitmap);
}
-static void pm8001_tag_free(struct pm8001_hba_info *pm8001_ha, u32 tag)
+void pm8001_tag_free(struct pm8001_hba_info *pm8001_ha, u32 tag)
{
pm8001_tag_clear(pm8001_ha, tag);
}
@@ -565,6 +565,24 @@ struct pm8001_device *pm8001_alloc_dev(struct pm8001_hba_info *pm8001_ha)
}
return NULL;
}
+/**
+ * pm8001_find_dev - find a matching pm8001_device
+ * @pm8001_ha: our hba card information
+ */
+struct pm8001_device *pm8001_find_dev(struct pm8001_hba_info *pm8001_ha,
+ u32 device_id)
+{
+ u32 dev;
+ for (dev = 0; dev < PM8001_MAX_DEVICES; dev++) {
+ if (pm8001_ha->devices[dev].device_id == device_id)
+ return &pm8001_ha->devices[dev];
+ }
+ if (dev == PM8001_MAX_DEVICES) {
+ PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("NO MATCHING "
+ "DEVICE FOUND !!!\n"));
+ }
+ return NULL;
+}
static void pm8001_free_dev(struct pm8001_device *pm8001_dev)
{
@@ -653,7 +671,7 @@ int pm8001_dev_found(struct domain_device *dev)
return pm8001_dev_found_notify(dev);
}
-static void pm8001_task_done(struct sas_task *task)
+void pm8001_task_done(struct sas_task *task)
{
if (!del_timer(&task->slow_task->timer))
return;