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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:45:59 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:45:59 +0000
commit19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch)
tree42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/common/crc32c_intel_fast.h
parentInitial commit. (diff)
downloadceph-19fcec84d8d7d21e796c7624e521b60d28ee21ed.tar.xz
ceph-19fcec84d8d7d21e796c7624e521b60d28ee21ed.zip
Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream
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