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Diffstat (limited to 'arch/arm64/include/asm/kvm_pgtable.h')
-rw-r--r--arch/arm64/include/asm/kvm_pgtable.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/kvm_pgtable.h b/arch/arm64/include/asm/kvm_pgtable.h
index 5ae6006a6098..77c027456c61 100644
--- a/arch/arm64/include/asm/kvm_pgtable.h
+++ b/arch/arm64/include/asm/kvm_pgtable.h
@@ -249,6 +249,21 @@ kvm_pte_t kvm_pgtable_stage2_mkold(struct kvm_pgtable *pgt, u64 addr);
bool kvm_pgtable_stage2_is_young(struct kvm_pgtable *pgt, u64 addr);
/**
+ * kvm_pgtable_stage2_flush_range() - Clean and invalidate data cache to Point
+ * of Coherency for guest stage-2 address
+ * range.
+ * @pgt: Page-table structure initialised by kvm_pgtable_stage2_init().
+ * @addr: Intermediate physical address from which to flush.
+ * @size: Size of the range.
+ *
+ * The offset of @addr within a page is ignored and @size is rounded-up to
+ * the next page boundary.
+ *
+ * Return: 0 on success, negative error code on failure.
+ */
+int kvm_pgtable_stage2_flush(struct kvm_pgtable *pgt, u64 addr, u64 size);
+
+/**
* kvm_pgtable_walk() - Walk a page-table.
* @pgt: Page-table structure initialised by kvm_pgtable_*_init().
* @addr: Input address for the start of the walk.