[PATCH v4 17/19] lpfc: vmid: Adding qfpa and vmid timeout check in worker thread

[Hannes Reinecke]

On 11/9/20 5:24 AM, Muneendra wrote:
> From: Gaurav Srivastava <gaurav.srivastava at broadcom.com>
> 
> This patch add the periodic check for issuing of qfpa command and vmid
> timeout in the worker thread. The inactivity timeout check is added via
> the timer function.
> 
> Signed-off-by: Gaurav Srivastava  <gaurav.srivastava at broadcom.com>
> Signed-off-by: James Smart <jsmart2021 at gmail.com>
> 
> ---
> v4:
> No change
> 
> v3:
> No change
> 
> v2:
> Ported the patch on top of 5.10/scsi-queue
> ---
>   drivers/scsi/lpfc/lpfc_hbadisc.c | 42 ++++++++++++++++++++++++++++++++
>   1 file changed, 42 insertions(+)
> 
> diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
> index b20013866942..38df3c4341f9 100644
> --- a/drivers/scsi/lpfc/lpfc_hbadisc.c
> +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
> @@ -433,6 +433,32 @@ lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp)
>   	return fcf_inuse;
>   }
>   
> +void lpfc_check_vmid_qfpa_issue(struct lpfc_hba *phba)
> +{
> +	struct lpfc_vport *vport;
> +	struct lpfc_vport **vports;
> +	int i, ret;
> +
> +	vports = lpfc_create_vport_work_array(phba);
> +	if (!vports)
> +		return;
> +
> +	for (i = 0; i <= phba->max_vports; i++) {
> +		if ((!vports[i]) && (i == 0))
> +			vport = phba->pport;
> +		else
> +			vport = vports[i];
> +		if (!vport)
> +			break;
> +
> +		if (vport->vmid_flag & LPFC_VMID_ISSUE_QFPA) {
> +			ret = lpfc_issue_els_qfpa(vport);
> +			vport->vmid_flag &= ~LPFC_VMID_ISSUE_QFPA;
> +		}
> +	}
> +	lpfc_destroy_vport_work_array(phba, vports);
> +}
> +
>   /**
>    * lpfc_sli4_post_dev_loss_tmo_handler - SLI4 post devloss timeout handler
>    * @phba: Pointer to hba context object.
> @@ -744,6 +770,22 @@ lpfc_work_done(struct lpfc_hba *phba)
>   	if (ha_copy & HA_LATT)
>   		lpfc_handle_latt(phba);
>   
> +	/* Handle VMID Events */
> +	if (lpfc_is_vmid_enabled(phba)) {
> +		if (phba->pport->work_port_events &
> +		    WORKER_CHECK_VMID_ISSUE_QFPA) {
> +			lpfc_check_vmid_qfpa_issue(phba);
> +			phba->pport->work_port_events &=
> +				~WORKER_CHECK_VMID_ISSUE_QFPA;
> +		}
> +		if (phba->pport->work_port_events &
> +		    WORKER_CHECK_INACTIVE_VMID) {
> +			lpfc_check_inactive_vmid(phba);
> +			phba->pport->work_port_events &=
> +			    ~WORKER_CHECK_INACTIVE_VMID;
> +		}
> +	}
> +
>   	/* Process SLI4 events */
>   	if (phba->pci_dev_grp == LPFC_PCI_DEV_OC) {
>   		if (phba->hba_flag & HBA_RRQ_ACTIVE)
> 
Reviewed-by: Hannes Reinecke <hare at suse.de>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke                Kernel Storage Architect
hare at suse.de                              +49 911 74053 688
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