Re: [Qemu-devel] [PATCH v2] sysbus: add irq_routing_notifier

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On 04/27/2015 12:39 PM, Paolo Bonzini wrote:
> 
> 
> On 27/04/2015 10:26, Eric Auger wrote:
>>>> One of my long term goals is to try and get rid of sysbus IRQ
>>>> abstraction completely in favor of just qdev gpios. This means
>>>> features that apply to GPIOs automatically apply to IRQs and vice
>>>> versa. Can your notifier hook be pushed up to the qdev GPIO level to
>>>> make it more globally usable and avoid a new feature to sysbus IRQs?
>> Yes sure, I am going to put the notifier in DeviceClass then.
> 
> I've thought too about this, and I'm not sure about it.
> 
> It would mean you have to pass the gpio name (e.g.
> SYSBUS_DEVICE_GPIO_IRQ) to the hook, and in the case of sysbus IRQs this
> would leak the SYSBUS_DEVICE_GPIO_IRQ abstraction to the implementors of
> the hook.
Hi Paolo,

Currently my notifier has the following proto:
    void (*connect_gpio_out_notifier)(DeviceState *dev, qemu_irq irq);

It is sufficient for my need.

is it really mandated to pass other qdev_connect_gpio_out_named args,
ie. name & n?

Best Regards

Eric
> 
> Paolo
> 

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