linux-hardening - [PATCH v9 5/9] lpfc: enable FPIN notification for NVMe

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Message-ID: <20250813200744.17975-6-bgurney@redhat.com>
Date: Wed, 13 Aug 2025 16:07:40 -0400
From: Bryan Gurney <bgurney@...hat.com>
To: linux-nvme@...ts.infradead.org,
	kbusch@...nel.org,
	hch@....de,
	sagi@...mberg.me,
	axboe@...nel.dk
Cc: james.smart@...adcom.com,
	njavali@...vell.com,
	linux-scsi@...r.kernel.org,
	hare@...e.de,
	linux-hardening@...r.kernel.org,
	kees@...nel.org,
	gustavoars@...nel.org,
	bgurney@...hat.com,
	jmeneghi@...hat.com,
	emilne@...hat.com
Subject: [PATCH v9 5/9] lpfc: enable FPIN notification for NVMe

From: Hannes Reinecke <hare@...nel.org>

Call 'nvme_fc_fpin_rcv()' to enable FPIN notifications for NVMe.

Signed-off-by: Hannes Reinecke <hare@...nel.org>
Reviewed-by: Justin Tee <justin.tee@...adcom.com>
Tested-by: Bryan Gurney <bgurney@...hat.com>
Tested-by: Muneendra Kumar <muneendra.kumar@...adcom.com>
---
 drivers/scsi/lpfc/lpfc_els.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index c7cbc5b50dfe..146ed6fd41af 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -33,6 +33,7 @@
 #include <scsi/scsi_transport_fc.h>
 #include <uapi/scsi/fc/fc_fs.h>
 #include <uapi/scsi/fc/fc_els.h>
+#include <linux/nvme-fc-driver.h>
 
 #include "lpfc_hw4.h"
 #include "lpfc_hw.h"
@@ -10249,9 +10250,15 @@ lpfc_els_rcv_fpin(struct lpfc_vport *vport, void *p, u32 fpin_length)
 		fpin_length += sizeof(struct fc_els_fpin); /* the entire FPIN */
 
 		/* Send every descriptor individually to the upper layer */
-		if (deliver)
+		if (deliver) {
 			fc_host_fpin_rcv(lpfc_shost_from_vport(vport),
 					 fpin_length, (char *)fpin, 0);
+#if (IS_ENABLED(CONFIG_NVME_FC))
+			if (vport->cfg_enable_fc4_type & LPFC_ENABLE_NVME)
+				nvme_fc_fpin_rcv(vport->localport,
+						 fpin_length, (char *)fpin);
+#endif
+		}
 		desc_cnt++;
 	}
 }
-- 
2.50.1