1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * caam - Freescale FSL CAAM support for Public Key Cryptography descriptors
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright 2016 Freescale Semiconductor, Inc.
6*4882a593Smuzhiyun *
7*4882a593Smuzhiyun * There is no Shared Descriptor for PKC so that the Job Descriptor must carry
8*4882a593Smuzhiyun * all the desired key parameters, input and output pointers.
9*4882a593Smuzhiyun */
10*4882a593Smuzhiyun #include "caampkc.h"
11*4882a593Smuzhiyun #include "desc_constr.h"
12*4882a593Smuzhiyun
13*4882a593Smuzhiyun /* Descriptor for RSA Public operation */
init_rsa_pub_desc(u32 * desc,struct rsa_pub_pdb * pdb)14*4882a593Smuzhiyun void init_rsa_pub_desc(u32 *desc, struct rsa_pub_pdb *pdb)
15*4882a593Smuzhiyun {
16*4882a593Smuzhiyun init_job_desc_pdb(desc, 0, SIZEOF_RSA_PUB_PDB);
17*4882a593Smuzhiyun append_cmd(desc, pdb->sgf);
18*4882a593Smuzhiyun append_ptr(desc, pdb->f_dma);
19*4882a593Smuzhiyun append_ptr(desc, pdb->g_dma);
20*4882a593Smuzhiyun append_ptr(desc, pdb->n_dma);
21*4882a593Smuzhiyun append_ptr(desc, pdb->e_dma);
22*4882a593Smuzhiyun append_cmd(desc, pdb->f_len);
23*4882a593Smuzhiyun append_operation(desc, OP_TYPE_UNI_PROTOCOL | OP_PCLID_RSAENC_PUBKEY);
24*4882a593Smuzhiyun }
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun /* Descriptor for RSA Private operation - Private Key Form #1 */
init_rsa_priv_f1_desc(u32 * desc,struct rsa_priv_f1_pdb * pdb)27*4882a593Smuzhiyun void init_rsa_priv_f1_desc(u32 *desc, struct rsa_priv_f1_pdb *pdb)
28*4882a593Smuzhiyun {
29*4882a593Smuzhiyun init_job_desc_pdb(desc, 0, SIZEOF_RSA_PRIV_F1_PDB);
30*4882a593Smuzhiyun append_cmd(desc, pdb->sgf);
31*4882a593Smuzhiyun append_ptr(desc, pdb->g_dma);
32*4882a593Smuzhiyun append_ptr(desc, pdb->f_dma);
33*4882a593Smuzhiyun append_ptr(desc, pdb->n_dma);
34*4882a593Smuzhiyun append_ptr(desc, pdb->d_dma);
35*4882a593Smuzhiyun append_operation(desc, OP_TYPE_UNI_PROTOCOL | OP_PCLID_RSADEC_PRVKEY |
36*4882a593Smuzhiyun RSA_PRIV_KEY_FRM_1);
37*4882a593Smuzhiyun }
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun /* Descriptor for RSA Private operation - Private Key Form #2 */
init_rsa_priv_f2_desc(u32 * desc,struct rsa_priv_f2_pdb * pdb)40*4882a593Smuzhiyun void init_rsa_priv_f2_desc(u32 *desc, struct rsa_priv_f2_pdb *pdb)
41*4882a593Smuzhiyun {
42*4882a593Smuzhiyun init_job_desc_pdb(desc, 0, SIZEOF_RSA_PRIV_F2_PDB);
43*4882a593Smuzhiyun append_cmd(desc, pdb->sgf);
44*4882a593Smuzhiyun append_ptr(desc, pdb->g_dma);
45*4882a593Smuzhiyun append_ptr(desc, pdb->f_dma);
46*4882a593Smuzhiyun append_ptr(desc, pdb->d_dma);
47*4882a593Smuzhiyun append_ptr(desc, pdb->p_dma);
48*4882a593Smuzhiyun append_ptr(desc, pdb->q_dma);
49*4882a593Smuzhiyun append_ptr(desc, pdb->tmp1_dma);
50*4882a593Smuzhiyun append_ptr(desc, pdb->tmp2_dma);
51*4882a593Smuzhiyun append_cmd(desc, pdb->p_q_len);
52*4882a593Smuzhiyun append_operation(desc, OP_TYPE_UNI_PROTOCOL | OP_PCLID_RSADEC_PRVKEY |
53*4882a593Smuzhiyun RSA_PRIV_KEY_FRM_2);
54*4882a593Smuzhiyun }
55*4882a593Smuzhiyun
56*4882a593Smuzhiyun /* Descriptor for RSA Private operation - Private Key Form #3 */
init_rsa_priv_f3_desc(u32 * desc,struct rsa_priv_f3_pdb * pdb)57*4882a593Smuzhiyun void init_rsa_priv_f3_desc(u32 *desc, struct rsa_priv_f3_pdb *pdb)
58*4882a593Smuzhiyun {
59*4882a593Smuzhiyun init_job_desc_pdb(desc, 0, SIZEOF_RSA_PRIV_F3_PDB);
60*4882a593Smuzhiyun append_cmd(desc, pdb->sgf);
61*4882a593Smuzhiyun append_ptr(desc, pdb->g_dma);
62*4882a593Smuzhiyun append_ptr(desc, pdb->f_dma);
63*4882a593Smuzhiyun append_ptr(desc, pdb->c_dma);
64*4882a593Smuzhiyun append_ptr(desc, pdb->p_dma);
65*4882a593Smuzhiyun append_ptr(desc, pdb->q_dma);
66*4882a593Smuzhiyun append_ptr(desc, pdb->dp_dma);
67*4882a593Smuzhiyun append_ptr(desc, pdb->dq_dma);
68*4882a593Smuzhiyun append_ptr(desc, pdb->tmp1_dma);
69*4882a593Smuzhiyun append_ptr(desc, pdb->tmp2_dma);
70*4882a593Smuzhiyun append_cmd(desc, pdb->p_q_len);
71*4882a593Smuzhiyun append_operation(desc, OP_TYPE_UNI_PROTOCOL | OP_PCLID_RSADEC_PRVKEY |
72*4882a593Smuzhiyun RSA_PRIV_KEY_FRM_3);
73*4882a593Smuzhiyun }
74