vppinfra: os agnostic api for getting CPU information

Avoid direct sysfs reads when possible...

Type: improvement
Change-Id: I2b84cd18f3da47925d068951f24b79b5b6e20bb1
Signed-off-by: Damjan Marion <damarion@cisco.com>
diff --git a/src/vppinfra/unix.h b/src/vppinfra/unix.h
index b43043a..651f9bb 100644
--- a/src/vppinfra/unix.h
+++ b/src/vppinfra/unix.h
@@ -59,6 +59,15 @@
 /* Retrieve bitmap of online cpu nodes (sockets) */
 clib_bitmap_t *os_get_online_cpu_node_bitmap ();
 
+/* Retrieve bitmap of cpus with memory */
+clib_bitmap_t *os_get_cpu_with_memory_bitmap ();
+
+/* Retrieve bitmap of cpus on specific node */
+clib_bitmap_t *os_get_cpu_on_node_bitmap (int node);
+
+/* Retrieve physical core id of specific cpu, -1 if not available */
+int os_get_cpu_phys_core_id (int cpu);
+
 #endif /* included_clib_unix_h */
 
 /*