1 files changed, 38 insertions, 0 deletions
diff --git a/roms/opensbi/include/sbi/sbi_hfence.h b/roms/opensbi/include/sbi/sbi_hfence.h
new file mode 100644
index 000000000..4420f2793
--- /dev/null
+++ b/roms/opensbi/include/sbi/sbi_hfence.h
@@ -0,0 +1,38 @@
+/*
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2019 Western Digital Corporation or its affiliates.
+ *
+ * Authors:
+ *   Atish Patra <atish.patra@wdc.com>
+ *   Anup Patel <anup.patel@wdc.com>
+ */
+
+#ifndef __SBI_FENCE_H__
+#define __SBI_FENCE_H__
+
+/** Invalidate Stage2 TLBs for given VMID and guest physical address */
+void __sbi_hfence_gvma_vmid_gpa(unsigned long gpa, unsigned long vmid);
+
+/** Invalidate Stage2 TLBs for given VMID */
+void __sbi_hfence_gvma_vmid(unsigned long vmid);
+
+/** Invalidate Stage2 TLBs for given guest physical address */
+void __sbi_hfence_gvma_gpa(unsigned long gpa);
+
+/** Invalidate all possible Stage2 TLBs */
+void __sbi_hfence_gvma_all(void);
+
+/** Invalidate unified TLB entries for given asid and guest virtual address */
+void __sbi_hfence_vvma_asid_va(unsigned long va, unsigned long asid);
+
+/** Invalidate unified TLB entries for given ASID for a guest*/
+void __sbi_hfence_vvma_asid(unsigned long asid);
+
+/** Invalidate unified TLB entries for a given guest virtual address */
+void __sbi_hfence_vvma_va(unsigned long va);
+
+/** Invalidate all possible Stage2 TLBs */
+void __sbi_hfence_vvma_all(void);
+
+#endif