[PATCH 11/13] scsi: lpfc: enable FPIN notification for NVMe

[Jesse Taube <jtaubepe@redhat.com>]

Implement set_rport_marginal callback using
nvme_fc_set_remoteport_fpin() to enable FPIN notifications for NVMe.

Signed-off-by: Jesse Taube <jtaubepe@redhat.com>
---
V10 -> V11
 - Rewrite
---
 drivers/scsi/lpfc/lpfc_attr.c | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index f4e8164b94ab..d54899cceed9 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -7134,6 +7134,30 @@ lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
 #endif
 }
 
+static void
+lpfc_set_rport_marginal(struct fc_rport *rport, bool marginal)
+{
+	struct lpfc_rport_data *rdata = rport->dd_data;
+	struct lpfc_nodelist *ndlp = rdata->pnode;
+	struct lpfc_nvme_rport *nrport = NULL;
+
+	/* Break early if NVME_FC is not enabled */
+	if (!IS_ENABLED(CONFIG_NVME_FC))
+		return;
+
+	if (!ndlp) {
+		dev_info(&rport->dev, "Cannot find remote node to ");
+		dev_info(&rport->dev, "set rport marginal, port_id x%x\n",
+			 rport->port_id);
+		return;
+	}
+
+	nrport = lpfc_ndlp_get_nrport(ndlp);
+
+	if (nrport && nrport->remoteport)
+		nvme_fc_set_remoteport_fpin(nrport->remoteport, marginal);
+}
+
 /*
  * lpfc_rport_show_function - Return rport target information
  *
@@ -7244,6 +7268,8 @@ struct fc_function_template lpfc_transport_functions = {
 	.set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
 	.show_rport_dev_loss_tmo = 1,
 
+	.set_rport_marginal = lpfc_set_rport_marginal,
+
 	.get_starget_port_id  = lpfc_get_starget_port_id,
 	.show_starget_port_id = 1,
 
@@ -7315,6 +7341,8 @@ struct fc_function_template lpfc_vport_transport_functions = {
 	.set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
 	.show_rport_dev_loss_tmo = 1,
 
+	.set_rport_marginal = lpfc_set_rport_marginal,
+
 	.get_starget_port_id  = lpfc_get_starget_port_id,
 	.show_starget_port_id = 1,
 
-- 
2.54.0