2020-11-26 01:51:49

by Tyrel Datwyler

Subject: [PATCH 07/13] ibmvfc: define Sub-CRQ interrupt handler routine

Simple handler that calls Sub-CRQ drain routine directly.

Signed-off-by: Tyrel Datwyler <[email protected]>
---
drivers/scsi/ibmvscsi/ibmvfc.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)

diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
index a8730522920e..4fb782fa2c66 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.c
+++ b/drivers/scsi/ibmvscsi/ibmvfc.c
@@ -3443,6 +3443,20 @@ static void ibmvfc_drain_sub_crq(struct ibmvfc_sub_queue *scrq)
}
}

+static irqreturn_t ibmvfc_interrupt_scsi(int irq, void *scrq_instance)
+{
+ struct ibmvfc_sub_queue *scrq = (struct ibmvfc_sub_queue *)scrq_instance;
+ struct ibmvfc_host *vhost = scrq->vhost;
+ unsigned long flags;
+
+ spin_lock_irqsave(vhost->host->host_lock, flags);
+ ibmvfc_toggle_scrq_irq(scrq, 0);
+ ibmvfc_drain_sub_crq(scrq);
+ spin_unlock_irqrestore(vhost->host->host_lock, flags);
+
+ return IRQ_HANDLED;
+}
+
/**
* ibmvfc_init_tgt - Set the next init job step for the target
* @tgt: ibmvfc target struct
--
2.27.0

2020-11-27 17:51:51

by Brian King

Subject: Re: [PATCH 07/13] ibmvfc: define Sub-CRQ interrupt handler routine

Reviewed-by: Brian King <[email protected]>


--
Brian King
Power Linux I/O
IBM Linux Technology Center