initial code repo

[stor4nfv.git] / src / ceph / src / arch / ppc.c

diff --git a/src/ceph/src/arch/ppc.c b/src/ceph/src/arch/ppc.c
new file mode 100644 (file)
index 0000000..f21e2fe
--- /dev/null
+++ b/src/ceph/src/arch/ppc.c
@@ -0,0 +1,40 @@
+/* Copyright (C) 2017 International Business Machines Corp.
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+#include "arch/ppc.h"
+#include "arch/probe.h"
+
+/* flags we export */
+int ceph_arch_ppc_crc32 = 0;
+
+#include <stdio.h>
+
+#if __linux__ && __powerpc64__
+#include <sys/auxv.h>
+#include <asm/cputable.h>
+#endif /* __linux__ && __powerpc64__ */
+
+#ifndef PPC_FEATURE2_VEC_CRYPTO
+#define PPC_FEATURE2_VEC_CRYPTO                0x02000000
+#endif
+
+#ifndef AT_HWCAP2
+#define AT_HWCAP2      26
+#endif
+
+int ceph_arch_ppc_probe(void)
+{
+  ceph_arch_ppc_crc32 = 0;
+
+#if __linux__ && __powerpc64__
+  if (getauxval(AT_HWCAP2) & PPC_FEATURE2_VEC_CRYPTO) ceph_arch_ppc_crc32 = 1;
+#endif /* __linux__ && __powerpc64__ */
+
+  return 0;
+}
+