iommu/io-pgtable: Add helper functions for TLB ops
Add some simple wrappers to avoid having the guts of the TLB operations
spilled all over the page table implementations, and to provide a point
to implement extra common functionality.
Acked-by: Will Deacon <will.deacon@arm.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
diff --git a/drivers/iommu/io-pgtable.h b/drivers/iommu/io-pgtable.h
index aa57073..95c5565 100644
--- a/drivers/iommu/io-pgtable.h
+++ b/drivers/iommu/io-pgtable.h
@@ -144,6 +144,22 @@
#define io_pgtable_ops_to_pgtable(x) container_of((x), struct io_pgtable, ops)
+static inline void io_pgtable_tlb_flush_all(struct io_pgtable *iop)
+{
+ iop->cfg.tlb->tlb_flush_all(iop->cookie);
+}
+
+static inline void io_pgtable_tlb_add_flush(struct io_pgtable *iop,
+ unsigned long iova, size_t size, size_t granule, bool leaf)
+{
+ iop->cfg.tlb->tlb_add_flush(iova, size, granule, leaf, iop->cookie);
+}
+
+static inline void io_pgtable_tlb_sync(struct io_pgtable *iop)
+{
+ iop->cfg.tlb->tlb_sync(iop->cookie);
+}
+
/**
* struct io_pgtable_init_fns - Alloc/free a set of page tables for a
* particular format.