drivers/crypto/nx/nx_csbcpb.h

   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