1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * caam - Freescale FSL CAAM support for Public Key Cryptography descriptors 4 * 5 * Copyright 2016 Freescale Semiconductor, Inc. 6 * 7 * There is no Shared Descriptor for PKC so that the Job Descriptor must carry 8 * all the desired key parameters, input and output pointers. 9 */ 10 #include "caampkc.h" 11 #include "desc_constr.h" 12 13 /* Descriptor for RSA Public operation */ 14 void init_rsa_pub_desc(u32 *desc, struct rsa_pub_pdb *pdb) 15 { 16 init_job_desc_pdb(desc, 0, SIZEOF_RSA_PUB_PDB); 17 append_cmd(desc, pdb->sgf); 18 append_ptr(desc, pdb->f_dma); 19 append_ptr(desc, pdb->g_dma); 20 append_ptr(desc, pdb->n_dma); 21 append_ptr(desc, pdb->e_dma); 22 append_cmd(desc, pdb->f_len); 23 append_operation(desc, OP_TYPE_UNI_PROTOCOL | OP_PCLID_RSAENC_PUBKEY); 24 } 25 26 /* Descriptor for RSA Private operation - Private Key Form #1 */ 27 void init_rsa_priv_f1_desc(u32 *desc, struct rsa_priv_f1_pdb *pdb) 28 { 29 init_job_desc_pdb(desc, 0, SIZEOF_RSA_PRIV_F1_PDB); 30 append_cmd(desc, pdb->sgf); 31 append_ptr(desc, pdb->g_dma); 32 append_ptr(desc, pdb->f_dma); 33 append_ptr(desc, pdb->n_dma); 34 append_ptr(desc, pdb->d_dma); 35 append_operation(desc, OP_TYPE_UNI_PROTOCOL | OP_PCLID_RSADEC_PRVKEY | 36 RSA_PRIV_KEY_FRM_1); 37 } 38 39 /* Descriptor for RSA Private operation - Private Key Form #2 */ 40 void init_rsa_priv_f2_desc(u32 *desc, struct rsa_priv_f2_pdb *pdb) 41 { 42 init_job_desc_pdb(desc, 0, SIZEOF_RSA_PRIV_F2_PDB); 43 append_cmd(desc, pdb->sgf); 44 append_ptr(desc, pdb->g_dma); 45 append_ptr(desc, pdb->f_dma); 46 append_ptr(desc, pdb->d_dma); 47 append_ptr(desc, pdb->p_dma); 48 append_ptr(desc, pdb->q_dma); 49 append_ptr(desc, pdb->tmp1_dma); 50 append_ptr(desc, pdb->tmp2_dma); 51 append_cmd(desc, pdb->p_q_len); 52 append_operation(desc, OP_TYPE_UNI_PROTOCOL | OP_PCLID_RSADEC_PRVKEY | 53 RSA_PRIV_KEY_FRM_2); 54 } 55 56 /* Descriptor for RSA Private operation - Private Key Form #3 */ 57 void init_rsa_priv_f3_desc(u32 *desc, struct rsa_priv_f3_pdb *pdb) 58 { 59 init_job_desc_pdb(desc, 0, SIZEOF_RSA_PRIV_F3_PDB); 60 append_cmd(desc, pdb->sgf); 61 append_ptr(desc, pdb->g_dma); 62 append_ptr(desc, pdb->f_dma); 63 append_ptr(desc, pdb->c_dma); 64 append_ptr(desc, pdb->p_dma); 65 append_ptr(desc, pdb->q_dma); 66 append_ptr(desc, pdb->dp_dma); 67 append_ptr(desc, pdb->dq_dma); 68 append_ptr(desc, pdb->tmp1_dma); 69 append_ptr(desc, pdb->tmp2_dma); 70 append_cmd(desc, pdb->p_q_len); 71 append_operation(desc, OP_TYPE_UNI_PROTOCOL | OP_PCLID_RSADEC_PRVKEY | 72 RSA_PRIV_KEY_FRM_3); 73 } 74