[PATCH v5 02/25] iommu: Add IOMMU_DOMAIN_PLATFORM
Baolu Lu
baolu.lu at linux.intel.com
Tue Jul 25 23:24:18 PDT 2023
On 2023/7/25 1:21, Jason Gunthorpe wrote:
> This is used when the iommu driver is taking control of the dma_ops,
> currently only on S390 and power spapr. It is designed to preserve the
> original ops->detach_dev() semantic that these S390 was built around.
>
> Provide an opaque domain type and a 'default_domain' ops value that allows
> the driver to trivially force any single domain as the default domain.
>
> Signed-off-by: Jason Gunthorpe<jgg at nvidia.com>
> ---
> drivers/iommu/iommu.c | 14 +++++++++++++-
> include/linux/iommu.h | 6 ++++++
> 2 files changed, 19 insertions(+), 1 deletion(-)
Reviewed-by: Lu Baolu <baolu.lu at linux.intel.com>
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