This function makes possible to change the automasked mode.
Signed-off-by: Eric Auger <[email protected]>
---
---
drivers/vfio/platform/vfio_platform_irq.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/drivers/vfio/platform/vfio_platform_irq.c
b/drivers/vfio/platform/vfio_platform_irq.c
index 7f8d27c..aa540db 100644
--- a/drivers/vfio/platform/vfio_platform_irq.c
+++ b/drivers/vfio/platform/vfio_platform_irq.c
@@ -186,6 +186,23 @@ static irqreturn_t vfio_handler(int irq, void *dev_id)
return ret;
}
+static int vfio_platform_set_automasked(struct vfio_platform_irq *irq,
+ bool automasked)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&irq->lock, flags);
+ if (automasked) {
+ irq->flags |= VFIO_IRQ_INFO_AUTOMASKED;
+ irq->handler = vfio_automasked_irq_handler;
+ } else {
+ irq->flags &= ~VFIO_IRQ_INFO_AUTOMASKED;
+ irq->handler = vfio_irq_handler;
+ }
+ spin_unlock_irqrestore(&irq->lock, flags);
+ return 0;
+}
+
static void vfio_platform_irq_bypass_stop(struct irq_bypass_producer *prod)
{
}
--
1.9.1
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
