On 07/29/2015 08:27 AM, Viswas.G@xxxxxxxx wrote:
> From: Viswas G <Viswas.G@xxxxxxxx>
>
> 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 <Viswas.G@xxxxxxxx>
> Signed-off-by: Suresh Thiagarajan <Suresh.Thiagarajan@xxxxxxxx>
> ---
> 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?
Cheers,
Hannes
--
Dr. Hannes Reinecke zSeries & Storage
hare@xxxxxxx +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)
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