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 */
14void 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 */
27void 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 */
40void 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 */
57void 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