---
name: "rio_add_outb_message"
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_add_outb_message"
---

# rio\_add\_outb\_message(9)

Add RIO message to an outbound mailbox queue

## NAME

rio\_add\_outb\_message - Add RIO message to an outbound mailbox queue

## SYNOPSIS

**int rio\_add\_outb\_message(struct rio\_mport \*** *mport***, struct rio\_dev \*** *rdev***, int** *mbox***, void \*** *buffer***, size\_t** *len***);**

## ARGUMENTS

*mport*

RIO master port containing the outbound queue

*rdev*

RIO device the message is be sent to

*mbox*

The outbound mailbox queue

*buffer*

Pointer to the message buffer

*len*

Length of the message buffer

## DESCRIPTION

Adds a RIO message buffer to an outbound mailbox queue for transmission. Returns 0 on success.

## AUTHOR

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

Author.

## COPYRIGHT