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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-21 11:54:28 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-21 11:54:28 +0000
commite6918187568dbd01842d8d1d2c808ce16a894239 (patch)
tree64f88b554b444a49f656b6c656111a145cbbaa28 /src/common/crc32c_intel_fast.h
parentInitial commit. (diff)
downloadceph-upstream/18.2.2.tar.xz
ceph-upstream/18.2.2.zip
Adding upstream version 18.2.2.upstream/18.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/common/crc32c_intel_fast.h')
-rw-r--r--src/common/crc32c_intel_fast.h28
1 files changed, 28 insertions, 0 deletions
diff --git a/src/common/crc32c_intel_fast.h b/src/common/crc32c_intel_fast.h
new file mode 100644
index 000000000..26a444f60
--- /dev/null
+++ b/src/common/crc32c_intel_fast.h
@@ -0,0 +1,28 @@
+#ifndef CEPH_COMMON_CRC32C_INTEL_FAST_H
+#define CEPH_COMMON_CRC32C_INTEL_FAST_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* is the fast version compiled in */
+extern int ceph_crc32c_intel_fast_exists(void);
+
+#ifdef __x86_64__
+
+extern uint32_t ceph_crc32c_intel_fast(uint32_t crc, unsigned char const *buffer, unsigned len);
+
+#else
+
+static inline uint32_t ceph_crc32c_intel_fast(uint32_t crc, unsigned char const *buffer, unsigned len)
+{
+ return 0;
+}
+
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif