1 files changed, 139 insertions, 0 deletions
diff --git a/src/vendorcode/cavium/include/bdk/libbdk-arch/bdk-numa.h b/src/vendorcode/cavium/include/bdk/libbdk-arch/bdk-numa.h
new file mode 100644
index 0000000000..cd5b420876
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+++ b/src/vendorcode/cavium/include/bdk/libbdk-arch/bdk-numa.h
@@ -0,0 +1,139 @@
+/***********************license start***********************************
+* Copyright (c) 2003-2017  Cavium Inc. (support@cavium.com). All rights
+* reserved.
+*
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are
+* met:
+*
+*   * Redistributions of source code must retain the above copyright
+*     notice, this list of conditions and the following disclaimer.
+*
+*   * Redistributions in binary form must reproduce the above
+*     copyright notice, this list of conditions and the following
+*     disclaimer in the documentation and/or other materials provided
+*     with the distribution.
+*
+*   * Neither the name of Cavium Inc. nor the names of
+*     its contributors may be used to endorse or promote products
+*     derived from this software without specific prior written
+*     permission.
+*
+* This Software, including technical data, may be subject to U.S. export
+* control laws, including the U.S. Export Administration Act and its
+* associated regulations, and may be subject to export or import
+* regulations in other countries.
+*
+* TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
+* AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR
+* WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT
+* TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY
+* REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT
+* DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES
+* OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR
+* PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT,
+* QUIET POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE ENTIRE  RISK
+* ARISING OUT OF USE OR PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
+***********************license end**************************************/
+
+/**
+ * @file
+ *
+ * Functions for dealing with multiple chips organized into a
+ * NUMA cluster.
+ *
+ * <hr>$Revision: 49448 $<hr>
+ */
+
+typedef enum
+{
+    BDK_NODE_0 = 0,
+    BDK_NODE_1 = 1,
+    BDK_NODE_2 = 2,
+    BDK_NODE_3 = 3,
+    BDK_NUMA_MAX_NODES = 4
+} bdk_node_t;
+
+/**
+ * Return the local node number
+ *
+ * @return Node number
+ */
+static inline bdk_node_t bdk_numa_local(void) __attribute__ ((always_inline, pure));
+static inline bdk_node_t bdk_numa_local(void)
+{
+#ifndef BDK_BUILD_HOST
+    int mpidr_el1;
+    BDK_MRS_NV(MPIDR_EL1, mpidr_el1);
+    int result;
+    result = (mpidr_el1 >> 16) & 0xff;
+    return BDK_NODE_0 + result;
+#else
+    return BDK_NODE_0; /* FIXME: choose remote node */
+#endif
+}
+
+/**
+ * Return the master node number
+ *
+ * @return Node number
+ */
+static inline bdk_node_t bdk_numa_master(void)
+{
+    extern int __bdk_numa_master_node;
+    return __bdk_numa_master_node;
+}
+
+/**
+ * Get a bitmask of the nodes that exist
+ *
+ * @return bitmask
+ */
+extern uint64_t bdk_numa_get_exists_mask(void);
+
+/**
+ * Add a node to the exists mask
+ *
+ * @param node   Node to add
+ */
+extern void bdk_numa_set_exists(bdk_node_t node);
+
+/**
+ * Return true if a node exists
+ *
+ * @param node   Node to check
+ *
+ * @return Non zero if the node exists
+ */
+extern int bdk_numa_exists(bdk_node_t node);
+
+/**
+ * Return true if there is only one node
+ *
+ * @return
+ */
+extern int bdk_numa_is_only_one();
+
+/**
+ * Given a physical address without a node, return the proper physical address
+ * for the given node.
+ *
+ * @param node   Node to create address for
+ * @param pa     Base physical address
+ *
+ * @return Node specific address
+ */
+static inline uint64_t bdk_numa_get_address(bdk_node_t node, uint64_t pa) __attribute__((pure,always_inline));
+static inline uint64_t bdk_numa_get_address(bdk_node_t node, uint64_t pa)
+{
+    if (pa & (1ull << 47))
+        pa |= (uint64_t)(node&3) << 44;
+    else if (CAVIUM_IS_MODEL(CAVIUM_CN8XXX))
+        pa |= (uint64_t)(node & 3) << 40; /* CN8XXX uses bits [41:40] for nodes */
+    else
+        pa |= (uint64_t)(node & 3) << 44; /* CN9XXX uses bits [45:44] for nodes */
+    return pa;
+}
+
+