From 500ce16976824f93048fc82f9ad0eec8c926798e Mon Sep 17 00:00:00 2001
From: Jim Harris <james.r.harris@intel.com>
Date: Fri, 3 Feb 2023 07:38:15 +0000
Subject: [PATCH] util add crc_internal.h

The preprocessor code will be needed in another
crc-related .c file in an upcoming patch.

Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: Icc5e6f0d81f76093dfc973a9c1fe56271baf1ed8
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/16687
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
---
 lib/util/crc32c.c       | 12 +-----------
 lib/util/crc_internal.h | 22 ++++++++++++++++++++++
 2 files changed, 23 insertions(+), 11 deletions(-)
 create mode 100644 lib/util/crc_internal.h

diff --git a/lib/util/crc32c.c b/lib/util/crc32c.c
index 69e99be53..7b49498de 100644
--- a/lib/util/crc32c.c
+++ b/lib/util/crc32c.c
@@ -4,19 +4,9 @@
  */
 
 #include "util_internal.h"
+#include "crc_internal.h"
 #include "spdk/crc32.h"
 
-#ifdef SPDK_CONFIG_ISAL
-#define SPDK_HAVE_ISAL
-#include <isa-l/include/crc.h>
-#elif defined(__aarch64__) && defined(__ARM_FEATURE_CRC32)
-#define SPDK_HAVE_ARM_CRC
-#include <arm_acle.h>
-#elif defined(__x86_64__) && defined(__SSE4_2__)
-#define SPDK_HAVE_SSE4_2
-#include <x86intrin.h>
-#endif
-
 #ifdef SPDK_HAVE_ISAL
 
 uint32_t
diff --git a/lib/util/crc_internal.h b/lib/util/crc_internal.h
new file mode 100644
index 000000000..b432d0d7b
--- /dev/null
+++ b/lib/util/crc_internal.h
@@ -0,0 +1,22 @@
+/*   SPDX-License-Identifier: BSD-3-Clause
+ *   Copyright (C) 2023 Intel Corporation.
+ *   All rights reserved.
+ */
+
+#ifndef SPDK_CRC_INTERNAL_H
+#define SPDK_CRC_INTERNAL_H
+
+#include "spdk/config.h"
+
+#ifdef SPDK_CONFIG_ISAL
+#define SPDK_HAVE_ISAL
+#include <isa-l/include/crc.h>
+#elif defined(__aarch64__) && defined(__ARM_FEATURE_CRC32)
+#define SPDK_HAVE_ARM_CRC
+#include <arm_acle.h>
+#elif defined(__x86_64__) && defined(__SSE4_2__)
+#define SPDK_HAVE_SSE4_2
+#include <x86intrin.h>
+#endif
+
+#endif /* SPDK_CRC_INTERNAL_H */