drivers/crypto/n2_core.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _N2_CORE_H
   3 #define _N2_CORE_H
   4
   5 #ifndef __ASSEMBLY__
   6
   7 struct ino_blob {
   8         u64                     intr;
   9         u64                     ino;
  10 };
  11
  12 struct spu_mdesc_info {
  13         u64                     cfg_handle;
  14         struct ino_blob         *ino_table;
  15         int                     num_intrs;
  16 };
  17
  18 struct n2_crypto {
  19         struct spu_mdesc_info   cwq_info;
  20         struct list_head        cwq_list;
  21 };
  22
  23 struct n2_mau {
  24         struct spu_mdesc_info   mau_info;
  25         struct list_head        mau_list;
  26 };
  27
  28 #define CWQ_ENTRY_SIZE          64
  29 #define CWQ_NUM_ENTRIES         64
  30
  31 #define MAU_ENTRY_SIZE          64
  32 #define MAU_NUM_ENTRIES         64
  33
  34 struct cwq_initial_entry {
  35         u64                     control;
  36         u64                     src_addr;
  37         u64                     auth_key_addr;
  38         u64                     auth_iv_addr;
  39         u64                     final_auth_state_addr;
  40         u64                     enc_key_addr;
  41         u64                     enc_iv_addr;
  42         u64                     dest_addr;
  43 };
  44
  45 struct cwq_ext_entry {
  46         u64                     len;
  47         u64                     src_addr;
  48         u64                     resv1;
  49         u64                     resv2;
  50         u64                     resv3;
  51         u64                     resv4;
  52         u64                     resv5;
  53         u64                     resv6;
  54 };
  55
  56 struct cwq_final_entry {
  57         u64                     control;
  58         u64                     src_addr;
  59         u64                     resv1;
  60         u64                     resv2;
  61         u64                     resv3;
  62         u64                     resv4;
  63         u64                     resv5;
  64         u64                     resv6;
  65 };
  66
  67 #define CONTROL_LEN                     0x000000000000ffffULL
  68 #define CONTROL_LEN_SHIFT               0
  69 #define CONTROL_HMAC_KEY_LEN            0x0000000000ff0000ULL
  70 #define CONTROL_HMAC_KEY_LEN_SHIFT      16
  71 #define CONTROL_ENC_TYPE                0x00000000ff000000ULL
  72 #define CONTROL_ENC_TYPE_SHIFT          24
  73 #define  ENC_TYPE_ALG_RC4_STREAM        0x00ULL
  74 #define  ENC_TYPE_ALG_RC4_NOSTREAM      0x04ULL
  75 #define  ENC_TYPE_ALG_DES               0x08ULL
  76 #define  ENC_TYPE_ALG_3DES              0x0cULL
  77 #define  ENC_TYPE_ALG_AES128            0x10ULL
  78 #define  ENC_TYPE_ALG_AES192            0x14ULL
  79 #define  ENC_TYPE_ALG_AES256            0x18ULL
  80 #define  ENC_TYPE_ALG_RESERVED          0x1cULL
  81 #define  ENC_TYPE_ALG_MASK              0x1cULL
  82 #define  ENC_TYPE_CHAINING_ECB          0x00ULL
  83 #define  ENC_TYPE_CHAINING_CBC          0x01ULL
  84 #define  ENC_TYPE_CHAINING_CFB          0x02ULL
  85 #define  ENC_TYPE_CHAINING_COUNTER      0x03ULL
  86 #define  ENC_TYPE_CHAINING_MASK         0x03ULL
  87 #define CONTROL_AUTH_TYPE               0x0000001f00000000ULL
  88 #define CONTROL_AUTH_TYPE_SHIFT         32
  89 #define  AUTH_TYPE_RESERVED             0x00ULL
  90 #define  AUTH_TYPE_MD5                  0x01ULL
  91 #define  AUTH_TYPE_SHA1                 0x02ULL
  92 #define  AUTH_TYPE_SHA256               0x03ULL
  93 #define  AUTH_TYPE_CRC32                0x04ULL
  94 #define  AUTH_TYPE_HMAC_MD5             0x05ULL
  95 #define  AUTH_TYPE_HMAC_SHA1            0x06ULL
  96 #define  AUTH_TYPE_HMAC_SHA256          0x07ULL
  97 #define  AUTH_TYPE_TCP_CHECKSUM         0x08ULL
  98 #define  AUTH_TYPE_SSL_HMAC_MD5         0x09ULL
  99 #define  AUTH_TYPE_SSL_HMAC_SHA1        0x0aULL
 100 #define  AUTH_TYPE_SSL_HMAC_SHA256      0x0bULL
 101 #define CONTROL_STRAND                  0x000000e000000000ULL
 102 #define CONTROL_STRAND_SHIFT            37
 103 #define CONTROL_HASH_LEN                0x0000ff0000000000ULL
 104 #define CONTROL_HASH_LEN_SHIFT          40
 105 #define CONTROL_INTERRUPT               0x0001000000000000ULL
 106 #define CONTROL_STORE_FINAL_AUTH_STATE  0x0002000000000000ULL
 107 #define CONTROL_RESERVED                0x001c000000000000ULL
 108 #define CONTROL_HV_DONE                 0x0004000000000000ULL
 109 #define CONTROL_HV_PROTOCOL_ERROR       0x0008000000000000ULL
 110 #define CONTROL_HV_HARDWARE_ERROR       0x0010000000000000ULL
 111 #define CONTROL_END_OF_BLOCK            0x0020000000000000ULL
 112 #define CONTROL_START_OF_BLOCK          0x0040000000000000ULL
 113 #define CONTROL_ENCRYPT                 0x0080000000000000ULL
 114 #define CONTROL_OPCODE                  0xff00000000000000ULL
 115 #define CONTROL_OPCODE_SHIFT            56
 116 #define  OPCODE_INPLACE_BIT             0x80ULL
 117 #define  OPCODE_SSL_KEYBLOCK            0x10ULL
 118 #define  OPCODE_COPY                    0x20ULL
 119 #define  OPCODE_ENCRYPT                 0x40ULL
 120 #define  OPCODE_AUTH_MAC                0x41ULL
 121
 122 #endif /* !(__ASSEMBLY__) */
 123
 124 /* NCS v2.0 hypervisor interfaces */
 125 #define HV_NCS_QTYPE_MAU                0x01
 126 #define HV_NCS_QTYPE_CWQ                0x02
 127
 128 /* ncs_qconf()
 129  * TRAP:        HV_FAST_TRAP
 130  * FUNCTION:    HV_FAST_NCS_QCONF
 131  * ARG0:        Queue type (HV_NCS_QTYPE_{MAU,CWQ})
 132  * ARG1:        Real address of queue, or handle for unconfigure
 133  * ARG2:        Number of entries in queue, zero for unconfigure
 134  * RET0:        status
 135  * RET1:        queue handle
 136  *
 137  * Configure a queue in the stream processing unit.
 138  *
 139  * The real address given as the base must be 64-byte
 140  * aligned.
 141  *
 142  * The queue size can range from a minimum of 2 to a maximum
 143  * of 64.  The queue size must be a power of two.
 144  *
 145  * To unconfigure a queue, specify a length of zero and place
 146  * the queue handle into ARG1.
 147  *
 148  * On configure success the hypervisor will set the FIRST, HEAD,
 149  * and TAIL registers to the address of the first entry in the
 150  * queue.  The LAST register will be set to point to the last
 151  * entry in the queue.
 152  */
 153 #define HV_FAST_NCS_QCONF               0x111
 154
 155 /* ncs_qinfo()
 156  * TRAP:        HV_FAST_TRAP
 157  * FUNCTION:    HV_FAST_NCS_QINFO
 158  * ARG0:        Queue handle
 159  * RET0:        status
 160  * RET1:        Queue type (HV_NCS_QTYPE_{MAU,CWQ})
 161  * RET2:        Queue base address
 162  * RET3:        Number of entries
 163  */
 164 #define HV_FAST_NCS_QINFO               0x112
 165
 166 /* ncs_gethead()
 167  * TRAP:        HV_FAST_TRAP
 168  * FUNCTION:    HV_FAST_NCS_GETHEAD
 169  * ARG0:        Queue handle
 170  * RET0:        status
 171  * RET1:        queue head offset
 172  */
 173 #define HV_FAST_NCS_GETHEAD             0x113
 174
 175 /* ncs_gettail()
 176  * TRAP:        HV_FAST_TRAP
 177  * FUNCTION:    HV_FAST_NCS_GETTAIL
 178  * ARG0:        Queue handle
 179  * RET0:        status
 180  * RET1:        queue tail offset
 181  */
 182 #define HV_FAST_NCS_GETTAIL             0x114
 183
 184 /* ncs_settail()
 185  * TRAP:        HV_FAST_TRAP
 186  * FUNCTION:    HV_FAST_NCS_SETTAIL
 187  * ARG0:        Queue handle
 188  * ARG1:        New tail offset
 189  * RET0:        status
 190  */
 191 #define HV_FAST_NCS_SETTAIL             0x115
 192
 193 /* ncs_qhandle_to_devino()
 194  * TRAP:        HV_FAST_TRAP
 195  * FUNCTION:    HV_FAST_NCS_QHANDLE_TO_DEVINO
 196  * ARG0:        Queue handle
 197  * RET0:        status
 198  * RET1:        devino
 199  */
 200 #define HV_FAST_NCS_QHANDLE_TO_DEVINO   0x116
 201
 202 /* ncs_sethead_marker()
 203  * TRAP:        HV_FAST_TRAP
 204  * FUNCTION:    HV_FAST_NCS_SETHEAD_MARKER
 205  * ARG0:        Queue handle
 206  * ARG1:        New head offset
 207  * RET0:        status
 208  */
 209 #define HV_FAST_NCS_SETHEAD_MARKER      0x117
 210
 211 #ifndef __ASSEMBLY__
 212 extern unsigned long sun4v_ncs_qconf(unsigned long queue_type,
 213                                      unsigned long queue_ra,
 214                                      unsigned long num_entries,
 215                                      unsigned long *qhandle);
 216 extern unsigned long sun4v_ncs_qinfo(unsigned long qhandle,
 217                                      unsigned long *queue_type,
 218                                      unsigned long *queue_ra,
 219                                      unsigned long *num_entries);
 220 extern unsigned long sun4v_ncs_gethead(unsigned long qhandle,
 221                                        unsigned long *head);
 222 extern unsigned long sun4v_ncs_gettail(unsigned long qhandle,
 223                                        unsigned long *tail);
 224 extern unsigned long sun4v_ncs_settail(unsigned long qhandle,
 225                                        unsigned long tail);
 226 extern unsigned long sun4v_ncs_qhandle_to_devino(unsigned long qhandle,
 227                                                  unsigned long *devino);
 228 extern unsigned long sun4v_ncs_sethead_marker(unsigned long qhandle,
 229                                               unsigned long head);
 230 #endif /* !(__ASSEMBLY__) */
 231
 232 #endif /* _N2_CORE_H */