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, options: 0, SIZEOF_RSA_PUB_PDB); |
17 | append_cmd(desc, command: pdb->sgf); |
18 | append_ptr(desc, ptr: pdb->f_dma); |
19 | append_ptr(desc, ptr: pdb->g_dma); |
20 | append_ptr(desc, ptr: pdb->n_dma); |
21 | append_ptr(desc, ptr: pdb->e_dma); |
22 | append_cmd(desc, command: 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, options: 0, SIZEOF_RSA_PRIV_F1_PDB); |
30 | append_cmd(desc, command: pdb->sgf); |
31 | append_ptr(desc, ptr: pdb->g_dma); |
32 | append_ptr(desc, ptr: pdb->f_dma); |
33 | append_ptr(desc, ptr: pdb->n_dma); |
34 | append_ptr(desc, ptr: 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, options: 0, SIZEOF_RSA_PRIV_F2_PDB); |
43 | append_cmd(desc, command: pdb->sgf); |
44 | append_ptr(desc, ptr: pdb->g_dma); |
45 | append_ptr(desc, ptr: pdb->f_dma); |
46 | append_ptr(desc, ptr: pdb->d_dma); |
47 | append_ptr(desc, ptr: pdb->p_dma); |
48 | append_ptr(desc, ptr: pdb->q_dma); |
49 | append_ptr(desc, ptr: pdb->tmp1_dma); |
50 | append_ptr(desc, ptr: pdb->tmp2_dma); |
51 | append_cmd(desc, command: 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, options: 0, SIZEOF_RSA_PRIV_F3_PDB); |
60 | append_cmd(desc, command: pdb->sgf); |
61 | append_ptr(desc, ptr: pdb->g_dma); |
62 | append_ptr(desc, ptr: pdb->f_dma); |
63 | append_ptr(desc, ptr: pdb->c_dma); |
64 | append_ptr(desc, ptr: pdb->p_dma); |
65 | append_ptr(desc, ptr: pdb->q_dma); |
66 | append_ptr(desc, ptr: pdb->dp_dma); |
67 | append_ptr(desc, ptr: pdb->dq_dma); |
68 | append_ptr(desc, ptr: pdb->tmp1_dma); |
69 | append_ptr(desc, ptr: pdb->tmp2_dma); |
70 | append_cmd(desc, command: pdb->p_q_len); |
71 | append_operation(desc, OP_TYPE_UNI_PROTOCOL | OP_PCLID_RSADEC_PRVKEY | |
72 | RSA_PRIV_KEY_FRM_3); |
73 | } |
74 | |