Messages in this thread Patch in this message | | | From | Eric Auger <> | Subject | [PATCH v3 04/10] VFIO: platform: add vfio_platform_set_automasked | Date | Mon, 10 Aug 2015 15:20:58 +0200 |
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This function makes possible to change the automasked mode.
Signed-off-by: Eric Auger <eric.auger@linaro.org>
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v1 -> v2: - set forwarded flag --- drivers/vfio/platform/vfio_platform_irq.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+)
diff --git a/drivers/vfio/platform/vfio_platform_irq.c b/drivers/vfio/platform/vfio_platform_irq.c index b31b1f0..a285384 100644 --- a/drivers/vfio/platform/vfio_platform_irq.c +++ b/drivers/vfio/platform/vfio_platform_irq.c @@ -186,6 +186,25 @@ 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->forwarded = true; + irq->flags |= VFIO_IRQ_INFO_AUTOMASKED; + irq->handler = vfio_automasked_irq_handler; + } else { + irq->forwarded = false; + 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
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