iommu/arm-smmu-v3: Implement the map_pages() IOMMU driver callback

Implement the map_pages() callback for ARM SMMUV3 driver to allow calls
from iommu_map to map multiple pages of the same size in one call.
Also remove the map() callback for the ARM SMMUV3 driver as it will no
longer be used.

Signed-off-by: Xiang Chen <[email protected]>
Acked-by: Will Deacon <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Joerg Roedel <[email protected]>

Author: Xiang Chen

drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c

@@ -2439,15 +2439,16 @@ static int arm_smmu_attach_dev(struct iommu_domain *domain, struct device *dev)
 	return ret;
 }
 
-static int arm_smmu_map(struct iommu_domain *domain, unsigned long iova,
-			phys_addr_t paddr, size_t size, int prot, gfp_t gfp)
+static int arm_smmu_map_pages(struct iommu_domain *domain, unsigned long iova,
+			      phys_addr_t paddr, size_t pgsize, size_t pgcount,
+			      int prot, gfp_t gfp, size_t *mapped)
 {
 	struct io_pgtable_ops *ops = to_smmu_domain(domain)->pgtbl_ops;
 
 	if (!ops)
 		return -ENODEV;
 
-	return ops->map(ops, iova, paddr, size, prot, gfp);
+	return ops->map_pages(ops, iova, paddr, pgsize, pgcount, prot, gfp, mapped);
 }
 
 static size_t arm_smmu_unmap_pages(struct iommu_domain *domain, unsigned long iova,
@@ -2823,7 +2824,7 @@ static struct iommu_ops arm_smmu_ops = {
 	.domain_alloc		= arm_smmu_domain_alloc,
 	.domain_free		= arm_smmu_domain_free,
 	.attach_dev		= arm_smmu_attach_dev,
-	.map			= arm_smmu_map,
+	.map_pages		= arm_smmu_map_pages,
 	.unmap_pages		= arm_smmu_unmap_pages,
 	.flush_iotlb_all	= arm_smmu_flush_iotlb_all,
 	.iotlb_sync		= arm_smmu_iotlb_sync,