---
name: "rio_send_doorbell"
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_send_doorbell"
---

# rio\_send\_doorbell(9)

Send a doorbell message to a device

## NAME

rio\_send\_doorbell - Send a doorbell message to a device

## SYNOPSIS

**int rio\_send\_doorbell(struct rio\_dev \*** *rdev***, u16** *data***);**

## ARGUMENTS

*rdev*

RIO device

*data*

Doorbell message data

## DESCRIPTION

Send a doorbell message to a RIO device. The doorbell message has a 16-bit info field provided by the *data* argument.

## AUTHOR

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

Author.

## COPYRIGHT