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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/drivers/crypto/caam/caampkc.h
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@@ -12,6 +12,7 @@
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 #define _PKC_DESC_H_
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 #include "compat.h"
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 #include "pdb.h"
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+#include <crypto/engine.h>
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 /**
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  * caam_priv_key_form - CAAM RSA private key representation
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@@ -87,27 +88,44 @@
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 /**
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  * caam_rsa_ctx - per session context.
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+ * @enginectx   : crypto engine context
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  * @key         : RSA key in DMA zone
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  * @dev         : device structure
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+ * @padding_dma : dma address of padding, for adding it to the input
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  */
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 struct caam_rsa_ctx {
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+	struct crypto_engine_ctx enginectx;
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 	struct caam_rsa_key key;
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 	struct device *dev;
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+	dma_addr_t padding_dma;
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+
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 };
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 /**
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  * caam_rsa_req_ctx - per request context.
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- * @src: input scatterlist (stripped of leading zeros)
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+ * @src           : input scatterlist (stripped of leading zeros)
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+ * @fixup_src     : input scatterlist (that might be stripped of leading zeros)
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+ * @fixup_src_len : length of the fixup_src input scatterlist
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+ * @edesc         : s/w-extended rsa descriptor
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+ * @akcipher_op_done : callback used when operation is done
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  */
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 struct caam_rsa_req_ctx {
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 	struct scatterlist src[2];
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+	struct scatterlist *fixup_src;
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+	unsigned int fixup_src_len;
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+	struct rsa_edesc *edesc;
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+	void (*akcipher_op_done)(struct device *jrdev, u32 *desc, u32 err,
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+				 void *context);
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 };
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 /**
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  * rsa_edesc - s/w-extended rsa descriptor
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- * @src_nents     : number of segments in input scatterlist
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- * @dst_nents     : number of segments in output scatterlist
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+ * @src_nents     : number of segments in input s/w scatterlist
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+ * @dst_nents     : number of segments in output s/w scatterlist
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+ * @mapped_src_nents: number of segments in input h/w link table
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+ * @mapped_dst_nents: number of segments in output h/w link table
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  * @sec4_sg_bytes : length of h/w link table
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+ * @bklog         : stored to determine if the request needs backlog
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  * @sec4_sg_dma   : dma address of h/w link table
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  * @sec4_sg       : pointer to h/w link table
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  * @pdb           : specific RSA Protocol Data Block (PDB)
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@@ -116,7 +134,10 @@
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 struct rsa_edesc {
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 	int src_nents;
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 	int dst_nents;
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+	int mapped_src_nents;
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+	int mapped_dst_nents;
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 	int sec4_sg_bytes;
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+	bool bklog;
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 	dma_addr_t sec4_sg_dma;
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 	struct sec4_sg_entry *sec4_sg;
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 	union {