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nx_csbcpb.h
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1 
2 #ifndef __NX_CSBCPB_H__
3 #define __NX_CSBCPB_H__
4 
5 struct cop_symcpb_aes_ecb {
6  u8 key[32];
7  u8 __rsvd[80];
8 } __packed;
9 
10 struct cop_symcpb_aes_cbc {
11  u8 iv[16];
12  u8 key[32];
13  u8 cv[16];
14  u32 spbc;
15  u8 __rsvd[44];
16 } __packed;
17 
18 struct cop_symcpb_aes_gca {
19  u8 in_pat[16];
20  u8 key[32];
21  u8 out_pat[16];
22  u32 spbc;
23  u8 __rsvd[44];
24 } __packed;
25 
26 struct cop_symcpb_aes_gcm {
27  u8 in_pat_or_aad[16];
28  u8 iv_or_cnt[16];
29  u64 bit_length_aad;
30  u64 bit_length_data;
31  u8 in_s0[16];
32  u8 key[32];
33  u8 __rsvd1[16];
34  u8 out_pat_or_mac[16];
35  u8 out_s0[16];
36  u8 out_cnt[16];
37  u32 spbc;
38  u8 __rsvd2[12];
39 } __packed;
40 
41 struct cop_symcpb_aes_ctr {
42  u8 iv[16];
43  u8 key[32];
44  u8 cv[16];
45  u32 spbc;
46  u8 __rsvd2[44];
47 } __packed;
48 
49 struct cop_symcpb_aes_cca {
50  u8 b0[16];
51  u8 b1[16];
52  u8 key[16];
53  u8 out_pat_or_b0[16];
54  u32 spbc;
55  u8 __rsvd[44];
56 } __packed;
57 
58 struct cop_symcpb_aes_ccm {
59  u8 in_pat_or_b0[16];
60  u8 iv_or_ctr[16];
61  u8 in_s0[16];
62  u8 key[16];
63  u8 __rsvd1[48];
64  u8 out_pat_or_mac[16];
65  u8 out_s0[16];
66  u8 out_ctr[16];
67  u32 spbc;
68  u8 __rsvd2[12];
69 } __packed;
70 
71 struct cop_symcpb_aes_xcbc {
72  u8 cv[16];
73  u8 key[16];
74  u8 __rsvd1[16];
75  u8 out_cv_mac[16];
76  u32 spbc;
77  u8 __rsvd2[44];
78 } __packed;
79 
80 struct cop_symcpb_sha256 {
81  u64 message_bit_length;
82  u64 __rsvd1;
83  u8 input_partial_digest[32];
84  u8 message_digest[32];
85  u32 spbc;
86  u8 __rsvd2[44];
87 } __packed;
88 
89 struct cop_symcpb_sha512 {
90  u64 message_bit_length_hi;
91  u64 message_bit_length_lo;
92  u8 input_partial_digest[64];
93  u8 __rsvd1[32];
94  u8 message_digest[64];
95  u32 spbc;
96  u8 __rsvd2[76];
97 } __packed;
98 
99 #define NX_FDM_INTERMEDIATE 0x01
100 #define NX_FDM_CONTINUATION 0x02
101 #define NX_FDM_ENDE_ENCRYPT 0x80
102 
103 #define NX_CPB_FDM(c) ((c)->cpb.hdr.fdm)
104 #define NX_CPB_KS_DS(c) ((c)->cpb.hdr.ks_ds)
105 
106 #define NX_CPB_KEY_SIZE(c) (NX_CPB_KS_DS(c) >> 4)
107 #define NX_CPB_SET_KEY_SIZE(c, x) NX_CPB_KS_DS(c) |= ((x) << 4)
108 #define NX_CPB_SET_DIGEST_SIZE(c, x) NX_CPB_KS_DS(c) |= (x)
109 
110 struct cop_symcpb_header {
111  u8 mode;
112  u8 fdm;
113  u8 ks_ds;
114  u8 pad_byte;
115  u8 __rsvd[12];
116 } __packed;
117 
118 struct cop_parameter_block {
119  struct cop_symcpb_header hdr;
120  union {
121  struct cop_symcpb_aes_ecb aes_ecb;
122  struct cop_symcpb_aes_cbc aes_cbc;
123  struct cop_symcpb_aes_gca aes_gca;
124  struct cop_symcpb_aes_gcm aes_gcm;
125  struct cop_symcpb_aes_cca aes_cca;
126  struct cop_symcpb_aes_ccm aes_ccm;
127  struct cop_symcpb_aes_ctr aes_ctr;
128  struct cop_symcpb_aes_xcbc aes_xcbc;
129  struct cop_symcpb_sha256 sha256;
130  struct cop_symcpb_sha512 sha512;
131  };
132 } __packed;
133 
134 #define NX_CSB_VALID_BIT 0x80
135 
136 /* co-processor status block */
137 struct cop_status_block {
138  u8 valid;
139  u8 crb_seq_number;
140  u8 completion_code;
141  u8 completion_extension;
142  u32 processed_byte_count;
143  u64 address;
144 } __packed;
145 
146 /* Nest accelerator workbook section 4.4 */
147 struct nx_csbcpb {
148  unsigned char __rsvd[112];
149  struct cop_status_block csb;
150  struct cop_parameter_block cpb;
151 } __packed;
152 
153 /* nx_csbcpb related definitions */
154 #define NX_MODE_AES_ECB 0
155 #define NX_MODE_AES_CBC 1
156 #define NX_MODE_AES_GMAC 2
157 #define NX_MODE_AES_GCA 3
158 #define NX_MODE_AES_GCM 4
159 #define NX_MODE_AES_CCA 5
160 #define NX_MODE_AES_CCM 6
161 #define NX_MODE_AES_CTR 7
162 #define NX_MODE_AES_XCBC_MAC 20
163 #define NX_MODE_SHA 0
164 #define NX_MODE_SHA_HMAC 1
165 #define NX_MODE_AES_CBC_HMAC_ETA 8
166 #define NX_MODE_AES_CBC_HMAC_ATE 9
167 #define NX_MODE_AES_CBC_HMAC_EAA 10
168 #define NX_MODE_AES_CTR_HMAC_ETA 12
169 #define NX_MODE_AES_CTR_HMAC_ATE 13
170 #define NX_MODE_AES_CTR_HMAC_EAA 14
171 
172 #define NX_FDM_CI_FULL 0
173 #define NX_FDM_CI_FIRST 1
174 #define NX_FDM_CI_LAST 2
175 #define NX_FDM_CI_MIDDLE 3
176 
177 #define NX_FDM_PR_NONE 0
178 #define NX_FDM_PR_PAD 1
179 
180 #define NX_KS_AES_128 1
181 #define NX_KS_AES_192 2
182 #define NX_KS_AES_256 3
183 
184 #define NX_DS_SHA256 2
185 #define NX_DS_SHA512 3
186 
187 #define NX_FC_AES 0
188 #define NX_FC_SHA 2
189 #define NX_FC_AES_HMAC 6
190 
191 #define NX_MAX_FC (NX_FC_AES_HMAC + 1)
192 #define NX_MAX_MODE (NX_MODE_AES_XCBC_MAC + 1)
193 
194 #define HCOP_FC_AES NX_FC_AES
195 #define HCOP_FC_SHA NX_FC_SHA
196 #define HCOP_FC_AES_HMAC NX_FC_AES_HMAC
197 
198 /* indices into the array of algorithm properties */
199 #define NX_PROPS_AES_128 0
200 #define NX_PROPS_AES_192 1
201 #define NX_PROPS_AES_256 2
202 #define NX_PROPS_SHA256 1
203 #define NX_PROPS_SHA512 2
204 
205 #endif
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