scsi: lpfc: Notify FC transport of rport disappearance during PCI fcn reset

A PCI function reset implies a temporary disappearance of a fc_rport.
So, call lpfc_scsi_dev_block(), which sets all mapped fc_rports into the
temporary FC_PORTSTATE_BLOCKED state.  Once PCI function reset completes
and link reinitialized, the fc_rport is rediscovered and
FC_PORTSTATE_BLOCKED state is removed.

Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20250425194806.3585-3-justintee8345@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 90021653e59ebfd30a0c28473391b430088cb85b..2400602a8561137a52bcbfd8b4436dd1ffbd2101 100644 (file)
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -1907,6 +1907,9 @@ lpfc_sli4_port_sta_fn_reset(struct lpfc_hba *phba, int mbx_action,
        uint32_t intr_mode;
        LPFC_MBOXQ_t *mboxq;
 
+       /* Notifying the transport that the targets are going offline. */
+       lpfc_scsi_dev_block(phba);
+
        if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) >=
            LPFC_SLI_INTF_IF_TYPE_2) {
                /*