xref: /openbmc/linux/drivers/crypto/nx/nx_csbcpb.h (revision 2c684d89)
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
206