1 files changed, 74 insertions, 0 deletions
diff --git a/drivers/staging/ccree/cc_buffer_mgr.h b/drivers/staging/ccree/cc_buffer_mgr.h
new file mode 100644
index 000000000000..99b752aa1077
--- /dev/null
+++ b/drivers/staging/ccree/cc_buffer_mgr.h
@@ -0,0 +1,74 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2012-2018 ARM Limited or its affiliates. */
+
+/* \file cc_buffer_mgr.h
+ * Buffer Manager
+ */
+
+#ifndef __CC_BUFFER_MGR_H__
+#define __CC_BUFFER_MGR_H__
+
+#include <crypto/algapi.h>
+
+#include "cc_driver.h"
+
+enum cc_req_dma_buf_type {
+	CC_DMA_BUF_NULL = 0,
+	CC_DMA_BUF_DLLI,
+	CC_DMA_BUF_MLLI
+};
+
+enum cc_sg_cpy_direct {
+	CC_SG_TO_BUF = 0,
+	CC_SG_FROM_BUF = 1
+};
+
+struct cc_mlli {
+	cc_sram_addr_t sram_addr;
+	unsigned int nents; //sg nents
+	unsigned int mlli_nents; //mlli nents might be different than the above
+};
+
+struct mlli_params {
+	struct dma_pool *curr_pool;
+	u8 *mlli_virt_addr;
+	dma_addr_t mlli_dma_addr;
+	u32 mlli_len;
+};
+
+int cc_buffer_mgr_init(struct cc_drvdata *drvdata);
+
+int cc_buffer_mgr_fini(struct cc_drvdata *drvdata);
+
+int cc_map_blkcipher_request(struct cc_drvdata *drvdata, void *ctx,
+			     unsigned int ivsize, unsigned int nbytes,
+			     void *info, struct scatterlist *src,
+			     struct scatterlist *dst, gfp_t flags);
+
+void cc_unmap_blkcipher_request(struct device *dev, void *ctx,
+				unsigned int ivsize,
+				struct scatterlist *src,
+				struct scatterlist *dst);
+
+int cc_map_aead_request(struct cc_drvdata *drvdata, struct aead_request *req);
+
+void cc_unmap_aead_request(struct device *dev, struct aead_request *req);
+
+int cc_map_hash_request_final(struct cc_drvdata *drvdata, void *ctx,
+			      struct scatterlist *src, unsigned int nbytes,
+			      bool do_update, gfp_t flags);
+
+int cc_map_hash_request_update(struct cc_drvdata *drvdata, void *ctx,
+			       struct scatterlist *src, unsigned int nbytes,
+			       unsigned int block_size, gfp_t flags);
+
+void cc_unmap_hash_request(struct device *dev, void *ctx,
+			   struct scatterlist *src, bool do_revert);
+
+void cc_copy_sg_portion(struct device *dev, u8 *dest, struct scatterlist *sg,
+			u32 to_skip, u32 end, enum cc_sg_cpy_direct direct);
+
+void cc_zero_sgl(struct scatterlist *sgl, u32 data_len);
+
+#endif /*__BUFFER_MGR_H__*/
+