drivers/crypto/nx/nx_csbcpb.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2
   3 #ifndef __NX_CSBCPB_H__
   4 #define __NX_CSBCPB_H__
   5
   6 struct cop_symcpb_aes_ecb {
   7         u8 key[32];
   8         u8 __rsvd[80];
   9 } __packed;
  10
  11 struct cop_symcpb_aes_cbc {
  12         u8 iv[16];
  13         u8 key[32];
  14         u8 cv[16];
  15         u32 spbc;
  16         u8 __rsvd[44];
  17 } __packed;
  18
  19 struct cop_symcpb_aes_gca {
  20         u8 in_pat[16];
  21         u8 key[32];
  22         u8 out_pat[16];
  23         u32 spbc;
  24         u8 __rsvd[44];
  25 } __packed;
  26
  27 struct cop_symcpb_aes_gcm {
  28         u8 in_pat_or_aad[16];
  29         u8 iv_or_cnt[16];
  30         u64 bit_length_aad;
  31         u64 bit_length_data;
  32         u8 in_s0[16];
  33         u8 key[32];
  34         u8 __rsvd1[16];
  35         u8 out_pat_or_mac[16];
  36         u8 out_s0[16];
  37         u8 out_cnt[16];
  38         u32 spbc;
  39         u8 __rsvd2[12];
  40 } __packed;
  41
  42 struct cop_symcpb_aes_ctr {
  43         u8 iv[16];
  44         u8 key[32];
  45         u8 cv[16];
  46         u32 spbc;
  47         u8 __rsvd2[44];
  48 } __packed;
  49
  50 struct cop_symcpb_aes_cca {
  51         u8 b0[16];
  52         u8 b1[16];
  53         u8 key[16];
  54         u8 out_pat_or_b0[16];
  55         u32 spbc;
  56         u8 __rsvd[44];
  57 } __packed;
  58
  59 struct cop_symcpb_aes_ccm {
  60         u8 in_pat_or_b0[16];
  61         u8 iv_or_ctr[16];
  62         u8 in_s0[16];
  63         u8 key[16];
  64         u8 __rsvd1[48];
  65         u8 out_pat_or_mac[16];
  66         u8 out_s0[16];
  67         u8 out_ctr[16];
  68         u32 spbc;
  69         u8 __rsvd2[12];
  70 } __packed;
  71
  72 struct cop_symcpb_aes_xcbc {
  73         u8 cv[16];
  74         u8 key[16];
  75         u8 __rsvd1[16];
  76         u8 out_cv_mac[16];
  77         u32 spbc;
  78         u8 __rsvd2[44];
  79 } __packed;
  80
  81 struct cop_symcpb_sha256 {
  82         u64 message_bit_length;
  83         u64 __rsvd1;
  84         u8 input_partial_digest[32];
  85         u8 message_digest[32];
  86         u32 spbc;
  87         u8 __rsvd2[44];
  88 } __packed;
  89
  90 struct cop_symcpb_sha512 {
  91         u64 message_bit_length_hi;
  92         u64 message_bit_length_lo;
  93         u8 input_partial_digest[64];
  94         u8 __rsvd1[32];
  95         u8 message_digest[64];
  96         u32 spbc;
  97         u8 __rsvd2[76];
  98 } __packed;
  99
 100 #define NX_FDM_INTERMEDIATE             0x01
 101 #define NX_FDM_CONTINUATION             0x02
 102 #define NX_FDM_ENDE_ENCRYPT             0x80
 103
 104 #define NX_CPB_FDM(c)                   ((c)->cpb.hdr.fdm)
 105 #define NX_CPB_KS_DS(c)                 ((c)->cpb.hdr.ks_ds)
 106
 107 #define NX_CPB_KEY_SIZE(c)              (NX_CPB_KS_DS(c) >> 4)
 108 #define NX_CPB_SET_KEY_SIZE(c, x)       NX_CPB_KS_DS(c) |= ((x) << 4)
 109 #define NX_CPB_SET_DIGEST_SIZE(c, x)    NX_CPB_KS_DS(c) |= (x)
 110
 111 struct cop_symcpb_header {
 112         u8 mode;
 113         u8 fdm;
 114         u8 ks_ds;
 115         u8 pad_byte;
 116         u8 __rsvd[12];
 117 } __packed;
 118
 119 struct cop_parameter_block {
 120         struct cop_symcpb_header hdr;
 121         union {
 122                 struct cop_symcpb_aes_ecb  aes_ecb;
 123                 struct cop_symcpb_aes_cbc  aes_cbc;
 124                 struct cop_symcpb_aes_gca  aes_gca;
 125                 struct cop_symcpb_aes_gcm  aes_gcm;
 126                 struct cop_symcpb_aes_cca  aes_cca;
 127                 struct cop_symcpb_aes_ccm  aes_ccm;
 128                 struct cop_symcpb_aes_ctr  aes_ctr;
 129                 struct cop_symcpb_aes_xcbc aes_xcbc;
 130                 struct cop_symcpb_sha256   sha256;
 131                 struct cop_symcpb_sha512   sha512;
 132         };
 133 } __packed;
 134
 135 #define NX_CSB_VALID_BIT        0x80
 136
 137 /* co-processor status block */
 138 struct cop_status_block {
 139         u8 valid;
 140         u8 crb_seq_number;
 141         u8 completion_code;
 142         u8 completion_extension;
 143         __be32 processed_byte_count;
 144         __be64 address;
 145 } __packed;
 146
 147 /* Nest accelerator workbook section 4.4 */
 148 struct nx_csbcpb {
 149         unsigned char __rsvd[112];
 150         struct cop_status_block csb;
 151         struct cop_parameter_block cpb;
 152 } __packed;
 153
 154 /* nx_csbcpb related definitions */
 155 #define NX_MODE_AES_ECB                 0
 156 #define NX_MODE_AES_CBC                 1
 157 #define NX_MODE_AES_GMAC                2
 158 #define NX_MODE_AES_GCA                 3
 159 #define NX_MODE_AES_GCM                 4
 160 #define NX_MODE_AES_CCA                 5
 161 #define NX_MODE_AES_CCM                 6
 162 #define NX_MODE_AES_CTR                 7
 163 #define NX_MODE_AES_XCBC_MAC            20
 164 #define NX_MODE_SHA                     0
 165 #define NX_MODE_SHA_HMAC                1
 166 #define NX_MODE_AES_CBC_HMAC_ETA        8
 167 #define NX_MODE_AES_CBC_HMAC_ATE        9
 168 #define NX_MODE_AES_CBC_HMAC_EAA        10
 169 #define NX_MODE_AES_CTR_HMAC_ETA        12
 170 #define NX_MODE_AES_CTR_HMAC_ATE        13
 171 #define NX_MODE_AES_CTR_HMAC_EAA        14
 172
 173 #define NX_FDM_CI_FULL          0
 174 #define NX_FDM_CI_FIRST         1
 175 #define NX_FDM_CI_LAST          2
 176 #define NX_FDM_CI_MIDDLE        3
 177
 178 #define NX_FDM_PR_NONE          0
 179 #define NX_FDM_PR_PAD           1
 180
 181 #define NX_KS_AES_128           1
 182 #define NX_KS_AES_192           2
 183 #define NX_KS_AES_256           3
 184
 185 #define NX_DS_SHA256            2
 186 #define NX_DS_SHA512            3
 187
 188 #define NX_FC_AES               0
 189 #define NX_FC_SHA               2
 190 #define NX_FC_AES_HMAC          6
 191
 192 #define NX_MAX_FC               (NX_FC_AES_HMAC + 1)
 193 #define NX_MAX_MODE             (NX_MODE_AES_XCBC_MAC + 1)
 194
 195 #define HCOP_FC_AES          NX_FC_AES
 196 #define HCOP_FC_SHA          NX_FC_SHA
 197 #define HCOP_FC_AES_HMAC     NX_FC_AES_HMAC
 198
 199 /* indices into the array of algorithm properties */
 200 #define NX_PROPS_AES_128                0
 201 #define NX_PROPS_AES_192                1
 202 #define NX_PROPS_AES_256                2
 203 #define NX_PROPS_SHA256                 1
 204 #define NX_PROPS_SHA512                 2
 205
 206 #endif