[PATCH 095/106] crypto: convert exported crypto symbol into pluggable interface for CONFIG_ASYNC_MEMCPY crypto

[Jay Wang]

Apply Crypto API wrappers to the exported crypto symbol in
CONFIG_ASYNC_MEMCPY-related crypto to convert them into pluggable
interface.

Signed-off-by: Jay Wang <wanjay at amazon.com>
---
 crypto/async_tx/Makefile     |  2 +-
 crypto/fips140/fips140-api.c | 10 ++++++++++
 include/linux/async_tx.h     |  7 +++----
 3 files changed, 14 insertions(+), 5 deletions(-)

diff --git a/crypto/async_tx/Makefile b/crypto/async_tx/Makefile
index 2cfa2dc1947d..9de69630d930 100644
--- a/crypto/async_tx/Makefile
+++ b/crypto/async_tx/Makefile
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0
 crypto-objs-$(CONFIG_ASYNC_CORE) += async_tx.o
-obj-$(CONFIG_ASYNC_MEMCPY) += async_memcpy.o
+crypto-objs-$(CONFIG_ASYNC_MEMCPY) += async_memcpy.o
 obj-$(CONFIG_ASYNC_XOR) += async_xor.o
 obj-$(CONFIG_ASYNC_PQ) += async_pq.o
 obj-$(CONFIG_ASYNC_RAID6_RECOV) += async_raid6_recov.o
diff --git a/crypto/fips140/fips140-api.c b/crypto/fips140/fips140-api.c
index ff58e8946821..6644fce6555a 100644
--- a/crypto/fips140/fips140-api.c
+++ b/crypto/fips140/fips140-api.c
@@ -809,6 +809,16 @@ DEFINE_CRYPTO_API_STUB(async_tx_submit);
 DEFINE_CRYPTO_API_STUB(async_trigger_callback);
 DEFINE_CRYPTO_API_STUB(async_tx_quiesce);
 
+#endif
+/*
+ * crypto/async_tx/async_memcpy.c
+ */
+#if IS_BUILTIN(CONFIG_ASYNC_MEMCPY)
+
+#include <linux/async_tx.h>
+
+DEFINE_CRYPTO_API_STUB(async_memcpy);
+
 #endif
 /*
  * crypto/ecdh_helper.c
diff --git a/include/linux/async_tx.h b/include/linux/async_tx.h
index 25dfd3750859..194228a8d1c4 100644
--- a/include/linux/async_tx.h
+++ b/include/linux/async_tx.h
@@ -176,10 +176,9 @@ async_xor_val_offs(struct page *dest, unsigned int offset,
 		int src_cnt, size_t len, enum sum_check_flags *result,
 		struct async_submit_ctl *submit);
 
-struct dma_async_tx_descriptor *
-async_memcpy(struct page *dest, struct page *src, unsigned int dest_offset,
-	     unsigned int src_offset, size_t len,
-	     struct async_submit_ctl *submit);
+DECLARE_CRYPTO_API(CONFIG_ASYNC_MEMCPY, async_memcpy, struct dma_async_tx_descriptor *,
+	(struct page *dest, struct page *src, unsigned int dest_offset, unsigned int src_offset, size_t len, struct async_submit_ctl *submit),
+	(dest, src, dest_offset, src_offset, len, submit));
 
 DECLARE_CRYPTO_API(CONFIG_ASYNC_CORE, async_trigger_callback, struct dma_async_tx_descriptor *,
 	(struct async_submit_ctl *submit),
-- 
2.47.3