[PATCH 16/17] arm64: crypto: to convert exported crypto symbols into pluggable interface for arm64 cryptos

[Jay Wang <wanjay@amazon.com>]

Prepare to convert exported crypto symbols in arm64 cryptos
into pluggable interface. This patch introduces architecture specific
crypto API definition file `fips140-api.c`.

Signed-off-by: Jay Wang <wanjay@amazon.com>
---
 arch/arm64/crypto/Makefile              |  3 +++
 arch/arm64/crypto/fips140/Makefile      | 14 ++++++++++++++
 arch/arm64/crypto/fips140/fips140-api.c |  0
 3 files changed, 17 insertions(+)
 create mode 100644 arch/arm64/crypto/fips140/Makefile
 create mode 100644 arch/arm64/crypto/fips140/fips140-api.c

diff --git a/arch/arm64/crypto/Makefile b/arch/arm64/crypto/Makefile
index 3574e917bc37..9f7106424d66 100644
--- a/arch/arm64/crypto/Makefile
+++ b/arch/arm64/crypto/Makefile
@@ -40,3 +40,6 @@ aes-neon-blk-y := aes-glue-neon.o aes-neon.o
 
 obj-$(CONFIG_CRYPTO_AES_ARM64_BS) += aes-neon-bs.o
 aes-neon-bs-y := aes-neonbs-core.o aes-neonbs-glue.o
+
+# FIPS 140 kernel module
+obj-$(CONFIG_CRYPTO_FIPS140_EXTMOD) += fips140/
\ No newline at end of file
diff --git a/arch/arm64/crypto/fips140/Makefile b/arch/arm64/crypto/fips140/Makefile
new file mode 100644
index 000000000000..0a150ab16027
--- /dev/null
+++ b/arch/arm64/crypto/fips140/Makefile
@@ -0,0 +1,14 @@
+
+crypto-objs-y += fips140-api-fips.o
+
+obj-y += fips140-api-main.o
+
+# Explicit rules to compile same source to different objects
+$(obj)/fips140-api-main.o: $(src)/fips140-api.c FORCE
+	$(call if_changed_rule,cc_o_c)
+
+$(obj)/fips140-api-fips.o: $(src)/fips140-api.c FORCE
+	$(call if_changed_rule,cc_o_c)
+
+CFLAGS_fips140-api-main.o += -I$(srctree)
+CFLAGS_fips140-api-fips.o += -I$(srctree)
\ No newline at end of file
diff --git a/arch/arm64/crypto/fips140/fips140-api.c b/arch/arm64/crypto/fips140/fips140-api.c
new file mode 100644
index 000000000000..e69de29bb2d1
-- 
2.47.3