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| author | Sakthivel K <Sakthivel.SaravananKamalRaju@pmcs.com> | 2013-03-19 18:08:08 +0530 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2013-05-10 07:47:51 -0700 |
| commit | c6b9ef5779c3e1edfa9de949d2a51252bc347663 (patch) | |
| tree | a4902f4076effc0b56848ceb3aa497ced5537b33 /drivers/scsi/pm8001/pm8001_sas.c | |
| parent | a33a0155dae5a8fdc85a9853ca06d6d57b90a4d9 (diff) | |
| download | blackbird-op-linux-c6b9ef5779c3e1edfa9de949d2a51252bc347663.tar.gz blackbird-op-linux-c6b9ef5779c3e1edfa9de949d2a51252bc347663.zip | |
[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.c | 22 |
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; |
