iommu-api: Add ->{un}map callbacks to iommu_ops

This patch adds new callbacks for mapping and unmapping
pages to the iommu_ops structure. These callbacks are aware
of page sizes which makes them different to the
->{un}map_range callbacks.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index 6d0035bb1a0c..5a7a3d888dac 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -36,6 +36,10 @@ struct iommu_ops {
         void (*domain_destroy)(struct iommu_domain *domain);
         int (*attach_dev)(struct iommu_domain *domain, struct device *dev);
         void (*detach_dev)(struct iommu_domain *domain, struct device *dev);
+        int (*map)(struct iommu_domain *domain, unsigned long iova,
+                   phys_addr_t paddr, int gfp_order, int prot);
+        int (*unmap)(struct iommu_domain *domain, unsigned long iova,
+                     int gfp_order);
         int (*map_range)(struct iommu_domain *domain, unsigned long iova,
                          phys_addr_t paddr, size_t size, int prot);
         void (*unmap_range)(struct iommu_domain *domain, unsigned long iova,