Re: [RFC 04/20] iommu: Add iommu_device_get_info interface

Jason Gunthorpe
2021-09-21T16:20:02Z

On Sun, Sep 19, 2021 at 02:38:32PM +0800, Liu Yi L wrote:
> From: Lu Baolu <baolu.lu@linux.intel.com>
>
> This provides an interface for upper layers to get the per-device iommu
> attributes.
>
> int iommu_device_get_info(struct device *dev,
> enum iommu_devattr attr, void *data);

Can't we use properly typed ops and functions here instead of a void
*data?

get_snoop()
get_page_size()
get_addr_width()

?

Jason