Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 52 insertions, 0 deletions

diff --git a/src/spdk/intel-ipsec-mb/include/cpu_feature.h b/src/spdk/intel-ipsec-mb/include/cpu_feature.h
new file mode 100644
index 000000000..1347094a7
--- /dev/null
+++ b/src/spdk/intel-ipsec-mb/include/cpu_feature.h
@@ -0,0 +1,52 @@
+/*******************************************************************************
+  Copyright (c) 2018, Intel Corporation
+
+  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 Intel Corporation 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 IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*******************************************************************************/
+
+#include "intel-ipsec-mb.h"
+
+#ifndef CPU_FEATURE_H
+#define CPU_FEATURE_H
+
+/**
+ * @brief Detects hardware features and returns their status
+ *
+ * @return Bitmask representing presence of CPU features/extensions,
+ *         see intel-ipsec-mb.h IMB_FEATURE_xyz definitions for details.
+ */
+IMB_DLL_LOCAL uint64_t cpu_feature_detect(void);
+
+/**
+ * @brief Modifies CPU \a features mask based on requested \a flags
+ *
+ * @param flags bitmask describing CPU feature adjustments
+ * @param features bitmask describing present CPU features
+ *
+ * @return \a features with applied modifications on them via \a flags
+ */
+IMB_DLL_LOCAL uint64_t
+cpu_feature_adjust(const uint64_t flags, uint64_t features);
+
+#endif /* CPU_FEATURE_H */