[RFC 15/16] lpfc: vmid: Adding qfpa and vmid timeout check in worker thread

Muneendra
2020-08-04T09:07:58Z

From: Gaurav Srivastava <gaurav.srivastava@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@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Muneendra <muneendra.kumar@broadcom.com>
---
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)
--
2.18.2