Thread (32 messages) flat view 32 messages, 4 authors, 2021-01-15
STALE2069d

Revision v4 of 4 in this series.

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[PATCH v4 10/21] ibmvfc: define Sub-CRQ interrupt handler routine

From: Tyrel Datwyler <tyreld@linux.ibm.com>
Date: 2021-01-12 00:51:45
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

Simple handler that calls Sub-CRQ drain routine directly.

Signed-off-by: Tyrel Datwyler <tyreld@linux.ibm.com>
---
 drivers/scsi/ibmvscsi/ibmvfc.c | 10 ++++++++++
 1 file changed, 10 insertions(+)
diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
index f3cd092478ee..51bcafad9490 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.c
+++ b/drivers/scsi/ibmvscsi/ibmvfc.c
@@ -3571,6 +3571,16 @@ static void ibmvfc_drain_sub_crq(struct ibmvfc_queue *scrq)
 	}
 }
 
+static irqreturn_t ibmvfc_interrupt_scsi(int irq, void *scrq_instance)
+{
+	struct ibmvfc_queue *scrq = (struct ibmvfc_queue *)scrq_instance;
+
+	ibmvfc_toggle_scrq_irq(scrq, 0);
+	ibmvfc_drain_sub_crq(scrq);
+
+	return IRQ_HANDLED;
+}
+
 /**
  * ibmvfc_init_tgt - Set the next init job step for the target
  * @tgt:		ibmvfc target struct
-- 
2.27.0
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