/* * caam - Freescale FSL CAAM support for Public Key Cryptography descriptors * * Copyright 2016 Freescale Semiconductor, Inc. * * There is no Shared Descriptor for PKC so that the Job Descriptor must carry * all the desired key parameters, input and output pointers. */ #ifndef _PKC_DESC_H_ #define _PKC_DESC_H_ #include "compat.h" #include "pdb.h" /** * caam_rsa_key - CAAM RSA key structure. Keys are allocated in DMA zone. * @n : RSA modulus raw byte stream * @e : RSA public exponent raw byte stream * @d : RSA private exponent raw byte stream * @n_sz : length in bytes of RSA modulus n * @e_sz : length in bytes of RSA public exponent * @d_sz : length in bytes of RSA private exponent */ struct caam_rsa_key { u8 *n; u8 *e; u8 *d; size_t n_sz; size_t e_sz; size_t d_sz; }; /** * caam_rsa_ctx - per session context. * @key : RSA key in DMA zone * @dev : device structure */ struct caam_rsa_ctx { struct caam_rsa_key key; struct device *dev; }; /** * rsa_edesc - s/w-extended rsa descriptor * @src_nents : number of segments in input scatterlist * @dst_nents : number of segments in output scatterlist * @sec4_sg_bytes : length of h/w link table * @sec4_sg_dma : dma address of h/w link table * @sec4_sg : pointer to h/w link table * @pdb : specific RSA Protocol Data Block (PDB) * @hw_desc : descriptor followed by link tables if any */ struct rsa_edesc { int src_nents; int dst_nents; int sec4_sg_bytes; dma_addr_t sec4_sg_dma; struct sec4_sg_entry *sec4_sg; union { struct rsa_pub_pdb pub; struct rsa_priv_f1_pdb priv_f1; } pdb; u32 hw_desc[]; }; /* Descriptor construction primitives. */ void init_rsa_pub_desc(u32 *desc, struct rsa_pub_pdb *pdb); void init_rsa_priv_f1_desc(u32 *desc, struct rsa_priv_f1_pdb *pdb); #endifOverall Contributors
Person | Tokens | Prop | Commits | CommitProp |
Tudor Ambarus | 124 | 100.00% | 1 | 100.00% |
Total | 124 | 100.00% | 1 | 100.00% |