---
name: "irq_set_msi_desc_off"
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/irq_set_msi_desc_off"
---

# irq\_set\_msi\_desc\_off(9)

set MSI descriptor data for an irq at offset

## NAME

irq\_set\_msi\_desc\_off - set MSI descriptor data for an irq at offset

## SYNOPSIS

**int irq\_set\_msi\_desc\_off(unsigned int** *irq\_base***, unsigned int** *irq\_offset***, struct msi\_desc \*** *entry***);**

## ARGUMENTS

*irq\_base*

Interrupt number base

*irq\_offset*

Interrupt number offset

*entry*

Pointer to MSI descriptor data

## DESCRIPTION

Set the MSI descriptor entry for an irq at offset

## AUTHORS

**Thomas Gleixner** \<tglx@linutronix.de\>

Author.

**Ingo Molnar** \<mingo@elte.hu\>

Author.

## COPYRIGHT