[PATCH 15/17] x86: crypto: to convert exported crypto symbols into pluggable interface for x86 cryptos

[Jay Wang <wanjay@amazon.com>]

Prepare to convert exported crypto symbols in x86 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/x86/crypto/Makefile              |  3 +++
 arch/x86/crypto/fips140/Makefile      | 14 ++++++++++++++
 arch/x86/crypto/fips140/fips140-api.c |  0
 3 files changed, 17 insertions(+)
 create mode 100644 arch/x86/crypto/fips140/Makefile
 create mode 100644 arch/x86/crypto/fips140/fips140-api.c

diff --git a/arch/x86/crypto/Makefile b/arch/x86/crypto/Makefile
index b21ad0978c52..ab248a1beb00 100644
--- a/arch/x86/crypto/Makefile
+++ b/arch/x86/crypto/Makefile
@@ -70,3 +70,6 @@ aria-aesni-avx2-x86_64-y := aria-aesni-avx2-asm_64.o aria_aesni_avx2_glue.o
 
 obj-$(CONFIG_CRYPTO_ARIA_GFNI_AVX512_X86_64) += aria-gfni-avx512-x86_64.o
 aria-gfni-avx512-x86_64-y := aria-gfni-avx512-asm_64.o aria_gfni_avx512_glue.o
+
+# FIPS 140 kernel module
+obj-$(CONFIG_CRYPTO_FIPS140_EXTMOD) += fips140/
diff --git a/arch/x86/crypto/fips140/Makefile b/arch/x86/crypto/fips140/Makefile
new file mode 100644
index 000000000000..0a150ab16027
--- /dev/null
+++ b/arch/x86/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/x86/crypto/fips140/fips140-api.c b/arch/x86/crypto/fips140/fips140-api.c
new file mode 100644
index 000000000000..e69de29bb2d1
-- 
2.47.3