---
name: "rio_request_inb_dbell"
section: "9"
platform: "linux"
package: "linux-manual-4.9"
version: "4.9.228-1"
release: "Debian 9 (Stretch)"
platforms: ["linux"]
url: "https://new.carta.tech/rio_request_inb_dbell"
---

# rio\_request\_inb\_dbell(9)

request inbound doorbell message service

## NAME

rio\_request\_inb\_dbell - request inbound doorbell message service

## SYNOPSIS

**int rio\_request\_inb\_dbell(struct rio\_mport \*** *mport***, void \*** *dev\_id***, u16** *start***, u16** *end***, void (\****dinb***) (struct rio\_mport \* mport, void \*dev\_id, u16 src, u16 dst, u16 info));**

## ARGUMENTS

*mport*

RIO master port from which to allocate the doorbell resource

*dev\_id*

Device specific pointer to pass on event

*start*

Doorbell info range start

*end*

Doorbell info range end

*dinb*

Callback to execute when doorbell is received

## DESCRIPTION

Requests ownership of an inbound doorbell resource and binds a callback function to the resource. Returns 0 if the request has been satisfied.

## AUTHOR

**Matt Porter** \<mporter@kernel.crashing.org\>, \<mporter@mvista.com\>

Author.

## COPYRIGHT