rio_setup_inb

rio_setup_inb_dbell
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rio_setup_inb_dbell — bind inbound doorbell callback

`int rio_setup_inb_dbell (`	struct rio_mport * `mport`,
	void * `dev_id`,
	struct resource * `res`,
	void (`dinb`) `(`struct rio_mport mport, void *dev_id, u16 src, u16 dst, u16 info`))`;

struct rio_mport * mport: RIO master port to bind the doorbell callback
void * dev_id: Device specific pointer to pass on event
struct resource * res: Doorbell message resource
void (*) (struct rio_mport * mport, void *dev_id, u16 src, u16 dst, u16 info) dinb: Callback to execute when doorbell is received

Adds a doorbell resource/callback pair into a port's doorbell event list. Returns 0 if the request has been satisfied.