On Wed, Jul 29, 2015 at 2:26 PM, Hannes Reinecke <[email protected]> wrote:
> On 07/29/2015 08:27 AM, [email protected] wrote:
>> From: Viswas G <[email protected]>
>>
>> If the link error happens, we don't need to disconnect the phy,
>> which will remove the drive. Instead acknowledging the controller
>> and logging the error will be enough.
>>
>> Signed-off-by: Viswas G <[email protected]>
>> Signed-off-by: Suresh Thiagarajan <[email protected]>
>> ---
>>  drivers/scsi/pm8001/pm80xx_hwi.c |   12 ------------
>>  1 files changed, 0 insertions(+), 12 deletions(-)
>>
>> diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c 
>> b/drivers/scsi/pm8001/pm80xx_hwi.c
>> index dced9f7..3d8b4ae 100644
>> --- a/drivers/scsi/pm8001/pm80xx_hwi.c
>> +++ b/drivers/scsi/pm8001/pm80xx_hwi.c
>> @@ -3176,9 +3176,6 @@ static int mpi_hw_event(struct pm8001_hba_info 
>> *pm8001_ha, void *piomb)
>>                       pm8001_printk("HW_EVENT_LINK_ERR_INVALID_DWORD\n"));
>>               pm80xx_hw_event_ack_req(pm8001_ha, 0,
>>                       HW_EVENT_LINK_ERR_INVALID_DWORD, port_id, phy_id, 0, 
>> 0);
>> -             sas_phy_disconnected(sas_phy);
>> -             phy->phy_attached = 0;
>> -             sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
>>               break;
>>       case HW_EVENT_LINK_ERR_DISPARITY_ERROR:
>>               PM8001_MSG_DBG(pm8001_ha,
>> @@ -3186,9 +3183,6 @@ static int mpi_hw_event(struct pm8001_hba_info 
>> *pm8001_ha, void *piomb)
>>               pm80xx_hw_event_ack_req(pm8001_ha, 0,
>>                       HW_EVENT_LINK_ERR_DISPARITY_ERROR,
>>                       port_id, phy_id, 0, 0);
>> -             sas_phy_disconnected(sas_phy);
>> -             phy->phy_attached = 0;
>> -             sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
>>               break;
>>       case HW_EVENT_LINK_ERR_CODE_VIOLATION:
>>               PM8001_MSG_DBG(pm8001_ha,
>> @@ -3196,9 +3190,6 @@ static int mpi_hw_event(struct pm8001_hba_info 
>> *pm8001_ha, void *piomb)
>>               pm80xx_hw_event_ack_req(pm8001_ha, 0,
>>                       HW_EVENT_LINK_ERR_CODE_VIOLATION,
>>                       port_id, phy_id, 0, 0);
>> -             sas_phy_disconnected(sas_phy);
>> -             phy->phy_attached = 0;
>> -             sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
>>               break;
>>       case HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH:
>>               PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
>> @@ -3206,9 +3197,6 @@ static int mpi_hw_event(struct pm8001_hba_info 
>> *pm8001_ha, void *piomb)
>>               pm80xx_hw_event_ack_req(pm8001_ha, 0,
>>                       HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH,
>>                       port_id, phy_id, 0, 0);
>> -             sas_phy_disconnected(sas_phy);
>> -             phy->phy_attached = 0;
>> -             sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
>>               break;
>>       case HW_EVENT_MALFUNCTION:
>>               PM8001_MSG_DBG(pm8001_ha,
>>
> So what happens with the port, then?
> Will you be getting another event when the port finally disconnects?
> If not, how to you remove the port after a link failure?
>

When the Phy disconnects, we will be getting the PHY DOWN events for 
the phys in that port and we will remove that port. 

> Cheers,
>
> Hannes
> --
> Dr. Hannes Reinecke                            zSeries & Storage
> [email protected]                                   +49 911 74053 688
> SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
> GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton
> HRB 21284 (AG Nürnberg)
> --
> To unsubscribe from this list: send the line "unsubscribe linux-scsi" in
> the body of a message to [email protected]
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
--
To unsubscribe from this list: send the line "unsubscribe linux-scsi" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to