iommu: Rename iommu_tlb_* functions to iommu_iotlb_*

To keep naming consistent we should stick with *iotlb*. This patch
renames a few remaining functions.
Signed-off-by: Tom Murphy <murphyt7@tcd.ie>
Link: https://lore.kernel.org/r/20200817210051.13546-1-murphyt7@tcd.ieSigned-off-by: Joerg Roedel <jroedel@suse.de>

drivers/iommu/dma-iommu.c

@@ -471,7 +471,7 @@ static void __iommu_dma_unmap(struct device *dev, dma_addr_t dma_addr,
 	WARN_ON(unmapped != size);
 
 	if (!cookie->fq_domain)
-		iommu_tlb_sync(domain, &iotlb_gather);
+		iommu_iotlb_sync(domain, &iotlb_gather);
 	iommu_dma_free_iova(cookie, dma_addr, size);
 }
 

drivers/iommu/iommu.c

@@ -762,7 +762,7 @@ static int iommu_create_device_direct_mappings(struct iommu_group *group,
 
 	}
 
-	iommu_flush_tlb_all(domain);
+	iommu_flush_iotlb_all(domain);
 
 out:
 	iommu_put_resv_regions(dev, &mappings);
@@ -2316,7 +2316,7 @@ size_t iommu_unmap(struct iommu_domain *domain,
 
 	iommu_iotlb_gather_init(&iotlb_gather);
 	ret = __iommu_unmap(domain, iova, size, &iotlb_gather);
-	iommu_tlb_sync(domain, &iotlb_gather);
+	iommu_iotlb_sync(domain, &iotlb_gather);
 
 	return ret;
 }

drivers/vfio/vfio_iommu_type1.c

@@ -774,7 +774,7 @@ static long vfio_sync_unpin(struct vfio_dma *dma, struct vfio_domain *domain,
 	long unlocked = 0;
 	struct vfio_regions *entry, *next;
 
-	iommu_tlb_sync(domain->domain, iotlb_gather);
+	iommu_iotlb_sync(domain->domain, iotlb_gather);
 
 	list_for_each_entry_safe(entry, next, regions, list) {
 		unlocked += vfio_unpin_pages_remote(dma,

include/linux/io-pgtable.h

@@ -31,7 +31,7 @@ enum io_pgtable_fmt {
  *                  single page.  IOMMUs that cannot batch TLB invalidation
  *                  operations efficiently will typically issue them here, but
  *                  others may decide to update the iommu_iotlb_gather structure
- *                  and defer the invalidation until iommu_tlb_sync() instead.
+ *                  and defer the invalidation until iommu_iotlb_sync() instead.
  *
  * Note that these can all be called in atomic context and must therefore
  * not block.

include/linux/iommu.h

@@ -514,13 +514,13 @@ extern void iommu_domain_window_disable(struct iommu_domain *domain, u32 wnd_nr)
 extern int report_iommu_fault(struct iommu_domain *domain, struct device *dev,
 			      unsigned long iova, int flags);
 
-static inline void iommu_flush_tlb_all(struct iommu_domain *domain)
+static inline void iommu_flush_iotlb_all(struct iommu_domain *domain)
 {
 	if (domain->ops->flush_iotlb_all)
 		domain->ops->flush_iotlb_all(domain);
 }
 
-static inline void iommu_tlb_sync(struct iommu_domain *domain,
+static inline void iommu_iotlb_sync(struct iommu_domain *domain,
 				  struct iommu_iotlb_gather *iotlb_gather)
 {
 	if (domain->ops->iotlb_sync)
@@ -543,7 +543,7 @@ static inline void iommu_iotlb_gather_add_page(struct iommu_domain *domain,
 	if (gather->pgsize != size ||
 	    end < gather->start || start > gather->end) {
 		if (gather->pgsize)
-			iommu_tlb_sync(domain, gather);
+			iommu_iotlb_sync(domain, gather);
 		gather->pgsize = size;
 	}
 
@@ -725,11 +725,11 @@ static inline size_t iommu_map_sg_atomic(struct iommu_domain *domain,
 	return 0;
 }
 
-static inline void iommu_flush_tlb_all(struct iommu_domain *domain)
+static inline void iommu_flush_iotlb_all(struct iommu_domain *domain)
 {
 }
 
-static inline void iommu_tlb_sync(struct iommu_domain *domain,
+static inline void iommu_iotlb_sync(struct iommu_domain *domain,
 				  struct iommu_iotlb_gather *iotlb_gather)
 {
 }