Thread (10 messages) 10 messages, 1 author, 26d ago

[PATCH v9 3/9] scsi: ibmvfc: add FPIN extended flag and async sub-CRQ queue handle

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COLD26d REVIEWED: 5 (5M)

From: Tyrel Datwyler <tyreld@linux.ibm.com>
Date: 2026-09-11 02:19:24
Also in: linux-scsi, lkml
Subsystem: ibm power virtual fc device drivers, linux for powerpc (32-bit and 64-bit), scsi subsystem, the rest · Maintainers: Tyrel Datwyler, Madhavan Srinivasan, "James E.J. Bottomley", "Martin K. Petersen", Linus Torvalds

Revision v9 of 3 in this series; 1 review trailer (1 from subsystem maintainers).

Revisions (3)
  1. v9 current
  2. v10 [diff vs current]
  3. v11 [diff vs current]
From: Dave Marquardt <redacted>

Add IBMVFC_ASYNC_IS_FPIN_EXT flag bit (0x02) to ibmvfc_async_sub_crq.flags
to distinguish extended FPIN events from standard ones.

Add async_sub_crq field of type ibmvfc_queue to ibmvfc_host to hold the
queue handle for the asynchronous sub-CRQ, alongside the existing crq and
async_crq queues.

Signed-off-by: Dave Marquardt <redacted>
Acked-by: Tyrel Datwyler <tyreld@linux.ibm.com>
---
 drivers/scsi/ibmvscsi/ibmvfc.h | 2 ++
 1 file changed, 2 insertions(+)
diff --git a/drivers/scsi/ibmvscsi/ibmvfc.h b/drivers/scsi/ibmvscsi/ibmvfc.h
index d7a30e7a4a28..a8a063d99564 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.h
+++ b/drivers/scsi/ibmvscsi/ibmvfc.h
@@ -773,6 +773,7 @@ struct ibmvfc_async_sub_crq {
 	volatile u8 valid;
 	u8 flags;
 #define IBMVFC_ASYNC_ID_IS_ASSOC_ID	0x01
+#define IBMVFC_ASYNC_IS_FPIN_EXT	0x02
 	u8 link_state;
 	u8 fpin_status;
 	__be16 event;
@@ -990,6 +991,7 @@ struct ibmvfc_host {
 	mempool_t *tgt_pool;
 	struct ibmvfc_queue crq;
 	struct ibmvfc_queue async_crq;
+	struct ibmvfc_queue async_sub_crq;
 	struct ibmvfc_channels scsi_scrqs;
 	struct ibmvfc_channels nvme_scrqs;
 	struct ibmvfc_npiv_login login_info;
-- 
2.55.0

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