Messages in this thread Patch in this message | | | From | Eric Auger <> | Subject | [RFC v2 6/9] irq: bypass: add active field on producer side | Date | Mon, 6 Jul 2015 15:24:40 +0200 |
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An active boolean is introduced on producer side: it reflects whether the source is active (at interrupt controller level or at VFIO level - automasked -).
This is a temporary hack for ARM IRQ forwarding with vfio platform. I think the connect and disconnect should become callbacks too. This would make possible to handle error in the process. Typically active could be returned by producer->stop and analyzed before going further. in that case the list_add only if connect returns 0.
Signed-off-by: Eric Auger <eric.auger@linaro.org> --- include/linux/irqbypass.h | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/include/linux/irqbypass.h b/include/linux/irqbypass.h index 8f62235..c89c3a8 100644 --- a/include/linux/irqbypass.h +++ b/include/linux/irqbypass.h @@ -9,6 +9,8 @@ struct irq_bypass_producer { struct list_head node; void *token; int irq; /* linux irq */ + /* is irq active at irqchip or VFIO masked? */ + bool active; void (*stop)(struct irq_bypass_producer *); void (*resume)(struct irq_bypass_producer *); void (*add_consumer)(struct irq_bypass_producer *, -- 1.9.1
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