---
name: "hsi_event"
section: "9"
platform: "linux"
package: "linux-manual-3.16"
version: "3.16.56-1+deb8u1"
release: "Debian 8 (Jessie)"
platforms: ["linux"]
url: "https://new.carta.tech/hsi_event"
---

# hsi\_event(9)

Notifies clients about port events

## NAME

hsi\_event - Notifies clients about port events

## SYNOPSIS

**int hsi\_event(struct hsi\_port \*** *port***, unsigned long** *event***);**

## ARGUMENTS

*port*

Port where the event occurred

*event*

The event type

## DESCRIPTION

Clients should not be concerned about wake line behavior. However, due to a race condition in HSI HW protocol, clients need to be notified about wake line changes, so they can implement a workaround for it.

## EVENTS

HSI\_EVENT\_START\_RX - Incoming wake line high HSI\_EVENT\_STOP\_RX - Incoming wake line down

Returns -errno on error, or 0 on success.

## COPYRIGHT