On Wed, 2012-05-30 at 14:18 -0600, Alex Williamson wrote:
> IOMMU groups allow IOMMU drivers to represent DMA visibility
> and isolation of devices. Multiple devices may be grouped
> together for the purposes of DMA. Placing a pointer on
> struct device enable easy access for things like streaming
> DMA programming and drivers like VFIO.
>
> Signed-off-by: Alex Williamson <alex.williamson@xxxxxxxxxx>
> Acked-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Acked-by: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
> ---
>
> include/linux/device.h | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/include/linux/device.h b/include/linux/device.h
> index 161d962..d0e4d99 100644
> --- a/include/linux/device.h
> +++ b/include/linux/device.h
> @@ -36,6 +36,7 @@ struct subsys_private;
> struct bus_type;
> struct device_node;
> struct iommu_ops;
> +struct iommu_group;
>
> struct bus_attribute {
> struct attribute attr;
> @@ -687,6 +688,7 @@ struct device {
> const struct attribute_group **groups; /* optional groups */
>
> void (*release)(struct device *dev);
> + struct iommu_group *iommu_group;
> };
>
> /* Get the wakeup routines, which depend on struct device */
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-pci" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at http://vger.kernel.org/majordomo-info.html
--
To unsubscribe from this list: send the line "unsubscribe linux-pci" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
