mem: get physical address of any rte_malloc buffer

[dpdk.git] / lib / librte_malloc / rte_malloc.h

diff --git a/lib/librte_malloc/rte_malloc.h b/lib/librte_malloc/rte_malloc.h
index dc80d72..14a78b0 100644 (file)
--- a/lib/librte_malloc/rte_malloc.h
+++ b/lib/librte_malloc/rte_malloc.h
@@ -41,6 +41,7 @@
  */
 
 #include <stddef.h>
+#include <rte_memory.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -318,6 +319,19 @@ rte_malloc_dump_stats(const char *type);
 int
 rte_malloc_set_limit(const char *type, size_t max);
 
+/**
+ * Return the physical address of a virtual address obtained through
+ * rte_malloc
+ *
+ * @param addr
+ *   Adress obtained from a previous rte_malloc call
+ * @return
+ *   NULL on error
+ *   otherwise return physical address of the buffer
+ */
+phys_addr_t
+rte_malloc_virt2phy(const void *addr);
+
 #ifdef __cplusplus
 }
 #endif