scsi: lpfc: vmid: Add QFPA and VMID timeout check in worker thread

Add a periodic check for issuing of QFPA command and VMID timeout in the
worker thread. The inactivity timeout check is added via the timer
function.

Link: https://lore.kernel.org/r/20210608043556.274139-13-muneendra.kumar@broadcom.com
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Gaurav Srivastava <gaurav.srivastava@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Muneendra Kumar <muneendra.kumar@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index 7f197d3..7cc5920 100644 (file)
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -73,6 +73,7 @@ static void lpfc_unregister_fcfi_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *);
 static int lpfc_fcf_inuse(struct lpfc_hba *);
 static void lpfc_mbx_cmpl_read_sparam(struct lpfc_hba *, LPFC_MBOXQ_t *);
 static void lpfc_check_inactive_vmid(struct lpfc_hba *phba);
+static void lpfc_check_vmid_qfpa_issue(struct lpfc_hba *phba);
 
 static int
 lpfc_valid_xpt_node(struct lpfc_nodelist *ndlp)
@@ -428,6 +429,32 @@ lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp)
        return fcf_inuse;
 }
 
+static void lpfc_check_vmid_qfpa_issue(struct lpfc_hba *phba)
+{
+       struct lpfc_vport *vport;
+       struct lpfc_vport **vports;
+       int i;
+
+       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) {
+                       if (!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.
@@ -748,6 +775,22 @@ 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)