---
name: "ata_dev_xfermask"
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/ata_dev_xfermask"
---

# ata\_dev\_xfermask(9)

Compute supported xfermask of the given device

## NAME

ata\_dev\_xfermask - Compute supported xfermask of the given device

## SYNOPSIS

**void ata\_dev\_xfermask(struct ata\_device \*** *dev***);**

## ARGUMENTS

*dev*

Device to compute xfermask for

## DESCRIPTION

Compute supported xfermask of *dev* and store it in dev-\>\*\_mask. This function is responsible for applying all known limits including host controller limits, device blacklist, etc...

LOCKING: None.

## AUTHOR

**Jeff Garzik**

Author.

## COPYRIGHT