--- /dev/null
+#ifndef CEPH_ARCH_INTEL_H
+#define CEPH_ARCH_INTEL_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern int ceph_arch_intel_pclmul; /* true if we have PCLMUL features */
+extern int ceph_arch_intel_sse42; /* true if we have sse 4.2 features */
+extern int ceph_arch_intel_sse41; /* true if we have sse 4.1 features */
+extern int ceph_arch_intel_ssse3; /* true if we have ssse 3 features */
+extern int ceph_arch_intel_sse3; /* true if we have sse 3 features */
+extern int ceph_arch_intel_sse2; /* true if we have sse 2 features */
+extern int ceph_arch_intel_aesni; /* true if we have aesni features */
+
+extern int ceph_arch_intel_probe(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif