iommu/tegra-smmu: Update to {map,unmap}_pages
authorRobin Murphy <robin.murphy@arm.com>
Tue, 12 Sep 2023 16:18:42 +0000 (17:18 +0100)
committerJoerg Roedel <jroedel@suse.de>
Mon, 25 Sep 2023 10:04:37 +0000 (12:04 +0200)
Trivially update map/unmap to the new interface, which is quite happy
for drivers to still process just one page per call.

Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/338c520ed947d6d5b9d0509ccb4588908bd9ce1e.1694525662.git.robin.murphy@arm.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
drivers/iommu/tegra-smmu.c

index 1764a63347b046e702771e675a3b60ca30f26338..d3cb966abfc39c07cec8a03f877f16db9b294533 100644 (file)
@@ -764,7 +764,8 @@ __tegra_smmu_unmap(struct iommu_domain *domain, unsigned long iova,
 }
 
 static int tegra_smmu_map(struct iommu_domain *domain, unsigned long iova,
-                         phys_addr_t paddr, size_t size, int prot, gfp_t gfp)
+                         phys_addr_t paddr, size_t size, size_t count,
+                         int prot, gfp_t gfp, size_t *mapped)
 {
        struct tegra_smmu_as *as = to_smmu_as(domain);
        unsigned long flags;
@@ -774,11 +775,14 @@ static int tegra_smmu_map(struct iommu_domain *domain, unsigned long iova,
        ret = __tegra_smmu_map(domain, iova, paddr, size, prot, gfp, &flags);
        spin_unlock_irqrestore(&as->lock, flags);
 
+       if (!ret)
+               *mapped = size;
+
        return ret;
 }
 
 static size_t tegra_smmu_unmap(struct iommu_domain *domain, unsigned long iova,
-                              size_t size, struct iommu_iotlb_gather *gather)
+                              size_t size, size_t count, struct iommu_iotlb_gather *gather)
 {
        struct tegra_smmu_as *as = to_smmu_as(domain);
        unsigned long flags;
@@ -995,8 +999,8 @@ static const struct iommu_ops tegra_smmu_ops = {
        .pgsize_bitmap = SZ_4K,
        .default_domain_ops = &(const struct iommu_domain_ops) {
                .attach_dev     = tegra_smmu_attach_dev,
-               .map            = tegra_smmu_map,
-               .unmap          = tegra_smmu_unmap,
+               .map_pages      = tegra_smmu_map,
+               .unmap_pages    = tegra_smmu_unmap,
                .iova_to_phys   = tegra_smmu_iova_to_phys,
                .free           = tegra_smmu_domain_free,
        }