drivers/crypto/qat/qat_sym_hw_dp.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2020 Intel Corporation
   3  */
   4
   5 #include <cryptodev_pmd.h>
   6
   7 #include "adf_transport_access_macros.h"
   8 #include "icp_qat_fw.h"
   9 #include "icp_qat_fw_la.h"
  10
  11 #include "qat_sym.h"
  12 #include "qat_sym_pmd.h"
  13 #include "qat_sym_session.h"
  14 #include "qat_qp.h"
  15
  16 struct qat_sym_dp_ctx {
  17         struct qat_sym_session *session;
  18         uint32_t tail;
  19         uint32_t head;
  20         uint16_t cached_enqueue;
  21         uint16_t cached_dequeue;
  22 };
  23
  24 static __rte_always_inline int32_t
  25 qat_sym_dp_parse_data_vec(struct qat_qp *qp, struct icp_qat_fw_la_bulk_req *req,
  26                 struct rte_crypto_vec *data, uint16_t n_data_vecs)
  27 {
  28         struct qat_queue *tx_queue;
  29         struct qat_sym_op_cookie *cookie;
  30         struct qat_sgl *list;
  31         uint32_t i;
  32         uint32_t total_len;
  33
  34         if (likely(n_data_vecs == 1)) {
  35                 req->comn_mid.src_data_addr = req->comn_mid.dest_data_addr =
  36                         data[0].iova;
  37                 req->comn_mid.src_length = req->comn_mid.dst_length =
  38                         data[0].len;
  39                 return data[0].len;
  40         }
  41
  42         if (n_data_vecs == 0 || n_data_vecs > QAT_SYM_SGL_MAX_NUMBER)
  43                 return -1;
  44
  45         total_len = 0;
  46         tx_queue = &qp->tx_q;
  47
  48         ICP_QAT_FW_COMN_PTR_TYPE_SET(req->comn_hdr.comn_req_flags,
  49                         QAT_COMN_PTR_TYPE_SGL);
  50         cookie = qp->op_cookies[tx_queue->tail >> tx_queue->trailz];
  51         list = (struct qat_sgl *)&cookie->qat_sgl_src;
  52
  53         for (i = 0; i < n_data_vecs; i++) {
  54                 list->buffers[i].len = data[i].len;
  55                 list->buffers[i].resrvd = 0;
  56                 list->buffers[i].addr = data[i].iova;
  57                 if (total_len + data[i].len > UINT32_MAX) {
  58                         QAT_DP_LOG(ERR, "Message too long");
  59                         return -1;
  60                 }
  61                 total_len += data[i].len;
  62         }
  63
  64         list->num_bufs = i;
  65         req->comn_mid.src_data_addr = req->comn_mid.dest_data_addr =
  66                         cookie->qat_sgl_src_phys_addr;
  67         req->comn_mid.src_length = req->comn_mid.dst_length = 0;
  68         return total_len;
  69 }
  70
  71 static __rte_always_inline void
  72 set_cipher_iv(struct icp_qat_fw_la_cipher_req_params *cipher_param,
  73                 struct rte_crypto_va_iova_ptr *iv_ptr, uint32_t iv_len,
  74                 struct icp_qat_fw_la_bulk_req *qat_req)
  75 {
  76         /* copy IV into request if it fits */
  77         if (iv_len <= sizeof(cipher_param->u.cipher_IV_array))
  78                 rte_memcpy(cipher_param->u.cipher_IV_array, iv_ptr->va,
  79                                 iv_len);
  80         else {
  81                 ICP_QAT_FW_LA_CIPH_IV_FLD_FLAG_SET(
  82                                 qat_req->comn_hdr.serv_specif_flags,
  83                                 ICP_QAT_FW_CIPH_IV_64BIT_PTR);
  84                 cipher_param->u.s.cipher_IV_ptr = iv_ptr->iova;
  85         }
  86 }
  87
  88 #define QAT_SYM_DP_IS_RESP_SUCCESS(resp) \
  89         (ICP_QAT_FW_COMN_STATUS_FLAG_OK == \
  90         ICP_QAT_FW_COMN_RESP_CRYPTO_STAT_GET(resp->comn_hdr.comn_status))
  91
  92 static __rte_always_inline void
  93 qat_sym_dp_fill_vec_status(int32_t *sta, int status, uint32_t n)
  94 {
  95         uint32_t i;
  96
  97         for (i = 0; i < n; i++)
  98                 sta[i] = status;
  99 }
 100
 101 #define QAT_SYM_DP_GET_MAX_ENQ(q, c, n) \
 102         RTE_MIN((q->max_inflights - q->enqueued + q->dequeued - c), n)
 103
 104 static __rte_always_inline void
 105 enqueue_one_cipher_job(struct qat_sym_session *ctx,
 106         struct icp_qat_fw_la_bulk_req *req,
 107         struct rte_crypto_va_iova_ptr *iv,
 108         union rte_crypto_sym_ofs ofs, uint32_t data_len)
 109 {
 110         struct icp_qat_fw_la_cipher_req_params *cipher_param;
 111
 112         cipher_param = (void *)&req->serv_specif_rqpars;
 113
 114         /* cipher IV */
 115         set_cipher_iv(cipher_param, iv, ctx->cipher_iv.length, req);
 116         cipher_param->cipher_offset = ofs.ofs.cipher.head;
 117         cipher_param->cipher_length = data_len - ofs.ofs.cipher.head -
 118                         ofs.ofs.cipher.tail;
 119 }
 120
 121 static __rte_always_inline int
 122 qat_sym_dp_enqueue_single_cipher(void *qp_data, uint8_t *drv_ctx,
 123         struct rte_crypto_vec *data, uint16_t n_data_vecs,
 124         union rte_crypto_sym_ofs ofs,
 125         struct rte_crypto_va_iova_ptr *iv,
 126         struct rte_crypto_va_iova_ptr *digest __rte_unused,
 127         struct rte_crypto_va_iova_ptr *aad __rte_unused,
 128         void *user_data)
 129 {
 130         struct qat_qp *qp = qp_data;
 131         struct qat_sym_dp_ctx *dp_ctx = (void *)drv_ctx;
 132         struct qat_queue *tx_queue = &qp->tx_q;
 133         struct qat_sym_session *ctx = dp_ctx->session;
 134         struct icp_qat_fw_la_bulk_req *req;
 135         int32_t data_len;
 136         uint32_t tail = dp_ctx->tail;
 137
 138         req = (struct icp_qat_fw_la_bulk_req *)(
 139                 (uint8_t *)tx_queue->base_addr + tail);
 140         tail = (tail + tx_queue->msg_size) & tx_queue->modulo_mask;
 141         rte_mov128((uint8_t *)req, (const uint8_t *)&(ctx->fw_req));
 142         rte_prefetch0((uint8_t *)tx_queue->base_addr + tail);
 143         data_len = qat_sym_dp_parse_data_vec(qp, req, data, n_data_vecs);
 144         if (unlikely(data_len < 0))
 145                 return -1;
 146         req->comn_mid.opaque_data = (uint64_t)(uintptr_t)user_data;
 147
 148         enqueue_one_cipher_job(ctx, req, iv, ofs, (uint32_t)data_len);
 149
 150         dp_ctx->tail = tail;
 151         dp_ctx->cached_enqueue++;
 152
 153         return 0;
 154 }
 155
 156 static __rte_always_inline uint32_t
 157 qat_sym_dp_enqueue_cipher_jobs(void *qp_data, uint8_t *drv_ctx,
 158         struct rte_crypto_sym_vec *vec, union rte_crypto_sym_ofs ofs,
 159         void *user_data[], int *status)
 160 {
 161         struct qat_qp *qp = qp_data;
 162         struct qat_sym_dp_ctx *dp_ctx = (void *)drv_ctx;
 163         struct qat_queue *tx_queue = &qp->tx_q;
 164         struct qat_sym_session *ctx = dp_ctx->session;
 165         uint32_t i, n;
 166         uint32_t tail;
 167         struct icp_qat_fw_la_bulk_req *req;
 168         int32_t data_len;
 169
 170         n = QAT_SYM_DP_GET_MAX_ENQ(qp, dp_ctx->cached_enqueue, vec->num);
 171         if (unlikely(n == 0)) {
 172                 qat_sym_dp_fill_vec_status(vec->status, -1, vec->num);
 173                 *status = 0;
 174                 return 0;
 175         }
 176
 177         tail = dp_ctx->tail;
 178
 179         for (i = 0; i < n; i++) {
 180                 req  = (struct icp_qat_fw_la_bulk_req *)(
 181                         (uint8_t *)tx_queue->base_addr + tail);
 182                 rte_mov128((uint8_t *)req, (const uint8_t *)&(ctx->fw_req));
 183
 184                 data_len = qat_sym_dp_parse_data_vec(qp, req, vec->sgl[i].vec,
 185                         vec->sgl[i].num);
 186                 if (unlikely(data_len < 0))
 187                         break;
 188                 req->comn_mid.opaque_data = (uint64_t)(uintptr_t)user_data[i];
 189                 enqueue_one_cipher_job(ctx, req, &vec->iv[i], ofs,
 190                         (uint32_t)data_len);
 191                 tail = (tail + tx_queue->msg_size) & tx_queue->modulo_mask;
 192         }
 193
 194         if (unlikely(i < n))
 195                 qat_sym_dp_fill_vec_status(vec->status + i, -1, n - i);
 196
 197         dp_ctx->tail = tail;
 198         dp_ctx->cached_enqueue += i;
 199         *status = 0;
 200         return i;
 201 }
 202
 203 static __rte_always_inline void
 204 enqueue_one_auth_job(struct qat_sym_session *ctx,
 205         struct icp_qat_fw_la_bulk_req *req,
 206         struct rte_crypto_va_iova_ptr *digest,
 207         struct rte_crypto_va_iova_ptr *auth_iv,
 208         union rte_crypto_sym_ofs ofs, uint32_t data_len)
 209 {
 210         struct icp_qat_fw_la_cipher_req_params *cipher_param;
 211         struct icp_qat_fw_la_auth_req_params *auth_param;
 212
 213         cipher_param = (void *)&req->serv_specif_rqpars;
 214         auth_param = (void *)((uint8_t *)cipher_param +
 215                         ICP_QAT_FW_HASH_REQUEST_PARAMETERS_OFFSET);
 216
 217         auth_param->auth_off = ofs.ofs.auth.head;
 218         auth_param->auth_len = data_len - ofs.ofs.auth.head -
 219                         ofs.ofs.auth.tail;
 220         auth_param->auth_res_addr = digest->iova;
 221
 222         switch (ctx->qat_hash_alg) {
 223         case ICP_QAT_HW_AUTH_ALGO_SNOW_3G_UIA2:
 224         case ICP_QAT_HW_AUTH_ALGO_KASUMI_F9:
 225         case ICP_QAT_HW_AUTH_ALGO_ZUC_3G_128_EIA3:
 226                 auth_param->u1.aad_adr = auth_iv->iova;
 227                 break;
 228         case ICP_QAT_HW_AUTH_ALGO_GALOIS_128:
 229         case ICP_QAT_HW_AUTH_ALGO_GALOIS_64:
 230                 ICP_QAT_FW_LA_GCM_IV_LEN_FLAG_SET(
 231                         req->comn_hdr.serv_specif_flags,
 232                                 ICP_QAT_FW_LA_GCM_IV_LEN_12_OCTETS);
 233                 rte_memcpy(cipher_param->u.cipher_IV_array, auth_iv->va,
 234                                 ctx->auth_iv.length);
 235                 break;
 236         default:
 237                 break;
 238         }
 239 }
 240
 241 static __rte_always_inline int
 242 qat_sym_dp_enqueue_single_auth(void *qp_data, uint8_t *drv_ctx,
 243         struct rte_crypto_vec *data, uint16_t n_data_vecs,
 244         union rte_crypto_sym_ofs ofs,
 245         struct rte_crypto_va_iova_ptr *iv __rte_unused,
 246         struct rte_crypto_va_iova_ptr *digest,
 247         struct rte_crypto_va_iova_ptr *auth_iv,
 248         void *user_data)
 249 {
 250         struct qat_qp *qp = qp_data;
 251         struct qat_sym_dp_ctx *dp_ctx = (void *)drv_ctx;
 252         struct qat_queue *tx_queue = &qp->tx_q;
 253         struct qat_sym_session *ctx = dp_ctx->session;
 254         struct icp_qat_fw_la_bulk_req *req;
 255         int32_t data_len;
 256         uint32_t tail = dp_ctx->tail;
 257
 258         req = (struct icp_qat_fw_la_bulk_req *)(
 259                 (uint8_t *)tx_queue->base_addr + tail);
 260         tail = (tail + tx_queue->msg_size) & tx_queue->modulo_mask;
 261         rte_mov128((uint8_t *)req, (const uint8_t *)&(ctx->fw_req));
 262         rte_prefetch0((uint8_t *)tx_queue->base_addr + tail);
 263         data_len = qat_sym_dp_parse_data_vec(qp, req, data, n_data_vecs);
 264         if (unlikely(data_len < 0))
 265                 return -1;
 266         req->comn_mid.opaque_data = (uint64_t)(uintptr_t)user_data;
 267
 268         enqueue_one_auth_job(ctx, req, digest, auth_iv, ofs,
 269                         (uint32_t)data_len);
 270
 271         dp_ctx->tail = tail;
 272         dp_ctx->cached_enqueue++;
 273
 274         return 0;
 275 }
 276
 277 static __rte_always_inline uint32_t
 278 qat_sym_dp_enqueue_auth_jobs(void *qp_data, uint8_t *drv_ctx,
 279         struct rte_crypto_sym_vec *vec, union rte_crypto_sym_ofs ofs,
 280         void *user_data[], int *status)
 281 {
 282         struct qat_qp *qp = qp_data;
 283         struct qat_sym_dp_ctx *dp_ctx = (void *)drv_ctx;
 284         struct qat_queue *tx_queue = &qp->tx_q;
 285         struct qat_sym_session *ctx = dp_ctx->session;
 286         uint32_t i, n;
 287         uint32_t tail;
 288         struct icp_qat_fw_la_bulk_req *req;
 289         int32_t data_len;
 290
 291         n = QAT_SYM_DP_GET_MAX_ENQ(qp, dp_ctx->cached_enqueue, vec->num);
 292         if (unlikely(n == 0)) {
 293                 qat_sym_dp_fill_vec_status(vec->status, -1, vec->num);
 294                 *status = 0;
 295                 return 0;
 296         }
 297
 298         tail = dp_ctx->tail;
 299
 300         for (i = 0; i < n; i++) {
 301                 req  = (struct icp_qat_fw_la_bulk_req *)(
 302                         (uint8_t *)tx_queue->base_addr + tail);
 303                 rte_mov128((uint8_t *)req, (const uint8_t *)&(ctx->fw_req));
 304
 305                 data_len = qat_sym_dp_parse_data_vec(qp, req, vec->sgl[i].vec,
 306                         vec->sgl[i].num);
 307                 if (unlikely(data_len < 0))
 308                         break;
 309                 req->comn_mid.opaque_data = (uint64_t)(uintptr_t)user_data[i];
 310                 enqueue_one_auth_job(ctx, req, &vec->digest[i],
 311                         &vec->auth_iv[i], ofs, (uint32_t)data_len);
 312                 tail = (tail + tx_queue->msg_size) & tx_queue->modulo_mask;
 313         }
 314
 315         if (unlikely(i < n))
 316                 qat_sym_dp_fill_vec_status(vec->status + i, -1, n - i);
 317
 318         dp_ctx->tail = tail;
 319         dp_ctx->cached_enqueue += i;
 320         *status = 0;
 321         return i;
 322 }
 323
 324 static __rte_always_inline int
 325 enqueue_one_chain_job(struct qat_sym_session *ctx,
 326         struct icp_qat_fw_la_bulk_req *req,
 327         struct rte_crypto_vec *data,
 328         uint16_t n_data_vecs,
 329         struct rte_crypto_va_iova_ptr *cipher_iv,
 330         struct rte_crypto_va_iova_ptr *digest,
 331         struct rte_crypto_va_iova_ptr *auth_iv,
 332         union rte_crypto_sym_ofs ofs, uint32_t data_len)
 333 {
 334         struct icp_qat_fw_la_cipher_req_params *cipher_param;
 335         struct icp_qat_fw_la_auth_req_params *auth_param;
 336         rte_iova_t auth_iova_end;
 337         int32_t cipher_len, auth_len;
 338
 339         cipher_param = (void *)&req->serv_specif_rqpars;
 340         auth_param = (void *)((uint8_t *)cipher_param +
 341                         ICP_QAT_FW_HASH_REQUEST_PARAMETERS_OFFSET);
 342
 343         cipher_len = data_len - ofs.ofs.cipher.head -
 344                         ofs.ofs.cipher.tail;
 345         auth_len = data_len - ofs.ofs.auth.head - ofs.ofs.auth.tail;
 346
 347         if (unlikely(cipher_len < 0 || auth_len < 0))
 348                 return -1;
 349
 350         cipher_param->cipher_offset = ofs.ofs.cipher.head;
 351         cipher_param->cipher_length = cipher_len;
 352         set_cipher_iv(cipher_param, cipher_iv, ctx->cipher_iv.length, req);
 353
 354         auth_param->auth_off = ofs.ofs.auth.head;
 355         auth_param->auth_len = auth_len;
 356         auth_param->auth_res_addr = digest->iova;
 357
 358         switch (ctx->qat_hash_alg) {
 359         case ICP_QAT_HW_AUTH_ALGO_SNOW_3G_UIA2:
 360         case ICP_QAT_HW_AUTH_ALGO_KASUMI_F9:
 361         case ICP_QAT_HW_AUTH_ALGO_ZUC_3G_128_EIA3:
 362                 auth_param->u1.aad_adr = auth_iv->iova;
 363                 break;
 364         case ICP_QAT_HW_AUTH_ALGO_GALOIS_128:
 365         case ICP_QAT_HW_AUTH_ALGO_GALOIS_64:
 366                 break;
 367         default:
 368                 break;
 369         }
 370
 371         if (unlikely(n_data_vecs > 1)) {
 372                 int auth_end_get = 0, i = n_data_vecs - 1;
 373                 struct rte_crypto_vec *cvec = &data[0];
 374                 uint32_t len;
 375
 376                 len = data_len - ofs.ofs.auth.tail;
 377
 378                 while (i >= 0 && len > 0) {
 379                         if (cvec->len >= len) {
 380                                 auth_iova_end = cvec->iova + len;
 381                                 len = 0;
 382                                 auth_end_get = 1;
 383                                 break;
 384                         }
 385                         len -= cvec->len;
 386                         i--;
 387                         cvec++;
 388                 }
 389
 390                 if (unlikely(auth_end_get == 0))
 391                         return -1;
 392         } else
 393                 auth_iova_end = data[0].iova + auth_param->auth_off +
 394                         auth_param->auth_len;
 395
 396         /* Then check if digest-encrypted conditions are met */
 397         if ((auth_param->auth_off + auth_param->auth_len <
 398                 cipher_param->cipher_offset +
 399                 cipher_param->cipher_length) &&
 400                 (digest->iova == auth_iova_end)) {
 401                 /* Handle partial digest encryption */
 402                 if (cipher_param->cipher_offset +
 403                                 cipher_param->cipher_length <
 404                                 auth_param->auth_off +
 405                                 auth_param->auth_len +
 406                                 ctx->digest_length)
 407                         req->comn_mid.dst_length =
 408                                 req->comn_mid.src_length =
 409                                 auth_param->auth_off +
 410                                 auth_param->auth_len +
 411                                 ctx->digest_length;
 412                 struct icp_qat_fw_comn_req_hdr *header =
 413                         &req->comn_hdr;
 414                 ICP_QAT_FW_LA_DIGEST_IN_BUFFER_SET(
 415                         header->serv_specif_flags,
 416                         ICP_QAT_FW_LA_DIGEST_IN_BUFFER);
 417         }
 418
 419         return 0;
 420 }
 421
 422 static __rte_always_inline int
 423 qat_sym_dp_enqueue_single_chain(void *qp_data, uint8_t *drv_ctx,
 424         struct rte_crypto_vec *data, uint16_t n_data_vecs,
 425         union rte_crypto_sym_ofs ofs,
 426         struct rte_crypto_va_iova_ptr *cipher_iv,
 427         struct rte_crypto_va_iova_ptr *digest,
 428         struct rte_crypto_va_iova_ptr *auth_iv,
 429         void *user_data)
 430 {
 431         struct qat_qp *qp = qp_data;
 432         struct qat_sym_dp_ctx *dp_ctx = (void *)drv_ctx;
 433         struct qat_queue *tx_queue = &qp->tx_q;
 434         struct qat_sym_session *ctx = dp_ctx->session;
 435         struct icp_qat_fw_la_bulk_req *req;
 436         int32_t data_len;
 437         uint32_t tail = dp_ctx->tail;
 438
 439         req = (struct icp_qat_fw_la_bulk_req *)(
 440                 (uint8_t *)tx_queue->base_addr + tail);
 441         tail = (tail + tx_queue->msg_size) & tx_queue->modulo_mask;
 442         rte_mov128((uint8_t *)req, (const uint8_t *)&(ctx->fw_req));
 443         rte_prefetch0((uint8_t *)tx_queue->base_addr + tail);
 444         data_len = qat_sym_dp_parse_data_vec(qp, req, data, n_data_vecs);
 445         if (unlikely(data_len < 0))
 446                 return -1;
 447         req->comn_mid.opaque_data = (uint64_t)(uintptr_t)user_data;
 448
 449         if (unlikely(enqueue_one_chain_job(ctx, req, data, n_data_vecs,
 450                         cipher_iv, digest, auth_iv, ofs, (uint32_t)data_len)))
 451                 return -1;
 452
 453         dp_ctx->tail = tail;
 454         dp_ctx->cached_enqueue++;
 455
 456         return 0;
 457 }
 458
 459 static __rte_always_inline uint32_t
 460 qat_sym_dp_enqueue_chain_jobs(void *qp_data, uint8_t *drv_ctx,
 461         struct rte_crypto_sym_vec *vec, union rte_crypto_sym_ofs ofs,
 462         void *user_data[], int *status)
 463 {
 464         struct qat_qp *qp = qp_data;
 465         struct qat_sym_dp_ctx *dp_ctx = (void *)drv_ctx;
 466         struct qat_queue *tx_queue = &qp->tx_q;
 467         struct qat_sym_session *ctx = dp_ctx->session;
 468         uint32_t i, n;
 469         uint32_t tail;
 470         struct icp_qat_fw_la_bulk_req *req;
 471         int32_t data_len;
 472
 473         n = QAT_SYM_DP_GET_MAX_ENQ(qp, dp_ctx->cached_enqueue, vec->num);
 474         if (unlikely(n == 0)) {
 475                 qat_sym_dp_fill_vec_status(vec->status, -1, vec->num);
 476                 *status = 0;
 477                 return 0;
 478         }
 479
 480         tail = dp_ctx->tail;
 481
 482         for (i = 0; i < n; i++) {
 483                 req  = (struct icp_qat_fw_la_bulk_req *)(
 484                         (uint8_t *)tx_queue->base_addr + tail);
 485                 rte_mov128((uint8_t *)req, (const uint8_t *)&(ctx->fw_req));
 486
 487                 data_len = qat_sym_dp_parse_data_vec(qp, req, vec->sgl[i].vec,
 488                         vec->sgl[i].num);
 489                 if (unlikely(data_len < 0))
 490                         break;
 491                 req->comn_mid.opaque_data = (uint64_t)(uintptr_t)user_data[i];
 492                 if (unlikely(enqueue_one_chain_job(ctx, req, vec->sgl[i].vec,
 493                         vec->sgl[i].num, &vec->iv[i], &vec->digest[i],
 494                                 &vec->auth_iv[i], ofs, (uint32_t)data_len)))
 495                         break;
 496
 497                 tail = (tail + tx_queue->msg_size) & tx_queue->modulo_mask;
 498         }
 499
 500         if (unlikely(i < n))
 501                 qat_sym_dp_fill_vec_status(vec->status + i, -1, n - i);
 502
 503         dp_ctx->tail = tail;
 504         dp_ctx->cached_enqueue += i;
 505         *status = 0;
 506         return i;
 507 }
 508
 509 static __rte_always_inline void
 510 enqueue_one_aead_job(struct qat_sym_session *ctx,
 511         struct icp_qat_fw_la_bulk_req *req,
 512         struct rte_crypto_va_iova_ptr *iv,
 513         struct rte_crypto_va_iova_ptr *digest,
 514         struct rte_crypto_va_iova_ptr *aad,
 515         union rte_crypto_sym_ofs ofs, uint32_t data_len)
 516 {
 517         struct icp_qat_fw_la_cipher_req_params *cipher_param =
 518                 (void *)&req->serv_specif_rqpars;
 519         struct icp_qat_fw_la_auth_req_params *auth_param =
 520                 (void *)((uint8_t *)&req->serv_specif_rqpars +
 521                 ICP_QAT_FW_HASH_REQUEST_PARAMETERS_OFFSET);
 522         uint8_t *aad_data;
 523         uint8_t aad_ccm_real_len;
 524         uint8_t aad_len_field_sz;
 525         uint32_t msg_len_be;
 526         rte_iova_t aad_iova = 0;
 527         uint8_t q;
 528
 529         /* CPM 1.7 uses single pass to treat AEAD as cipher operation */
 530         if (ctx->is_single_pass) {
 531                 enqueue_one_cipher_job(ctx, req, iv, ofs, data_len);
 532                 cipher_param->spc_aad_addr = aad->iova;
 533                 cipher_param->spc_auth_res_addr = digest->iova;
 534                 return;
 535         }
 536
 537         switch (ctx->qat_hash_alg) {
 538         case ICP_QAT_HW_AUTH_ALGO_GALOIS_128:
 539         case ICP_QAT_HW_AUTH_ALGO_GALOIS_64:
 540                 ICP_QAT_FW_LA_GCM_IV_LEN_FLAG_SET(
 541                         req->comn_hdr.serv_specif_flags,
 542                                 ICP_QAT_FW_LA_GCM_IV_LEN_12_OCTETS);
 543                 rte_memcpy(cipher_param->u.cipher_IV_array, iv->va,
 544                                 ctx->cipher_iv.length);
 545                 aad_iova = aad->iova;
 546                 break;
 547         case ICP_QAT_HW_AUTH_ALGO_AES_CBC_MAC:
 548                 aad_data = aad->va;
 549                 aad_iova = aad->iova;
 550                 aad_ccm_real_len = 0;
 551                 aad_len_field_sz = 0;
 552                 msg_len_be = rte_bswap32((uint32_t)data_len -
 553                                 ofs.ofs.cipher.head);
 554
 555                 if (ctx->aad_len > ICP_QAT_HW_CCM_AAD_DATA_OFFSET) {
 556                         aad_len_field_sz = ICP_QAT_HW_CCM_AAD_LEN_INFO;
 557                         aad_ccm_real_len = ctx->aad_len -
 558                                 ICP_QAT_HW_CCM_AAD_B0_LEN -
 559                                 ICP_QAT_HW_CCM_AAD_LEN_INFO;
 560                 } else {
 561                         aad_data = iv->va;
 562                         aad_iova = iv->iova;
 563                 }
 564
 565                 q = ICP_QAT_HW_CCM_NQ_CONST - ctx->cipher_iv.length;
 566                 aad_data[0] = ICP_QAT_HW_CCM_BUILD_B0_FLAGS(
 567                         aad_len_field_sz, ctx->digest_length, q);
 568                 if (q > ICP_QAT_HW_CCM_MSG_LEN_MAX_FIELD_SIZE) {
 569                         memcpy(aad_data + ctx->cipher_iv.length +
 570                                 ICP_QAT_HW_CCM_NONCE_OFFSET + (q -
 571                                 ICP_QAT_HW_CCM_MSG_LEN_MAX_FIELD_SIZE),
 572                                 (uint8_t *)&msg_len_be,
 573                                 ICP_QAT_HW_CCM_MSG_LEN_MAX_FIELD_SIZE);
 574                 } else {
 575                         memcpy(aad_data + ctx->cipher_iv.length +
 576                                 ICP_QAT_HW_CCM_NONCE_OFFSET,
 577                                 (uint8_t *)&msg_len_be +
 578                                 (ICP_QAT_HW_CCM_MSG_LEN_MAX_FIELD_SIZE
 579                                 - q), q);
 580                 }
 581
 582                 if (aad_len_field_sz > 0) {
 583                         *(uint16_t *)&aad_data[ICP_QAT_HW_CCM_AAD_B0_LEN] =
 584                                 rte_bswap16(aad_ccm_real_len);
 585
 586                         if ((aad_ccm_real_len + aad_len_field_sz)
 587                                 % ICP_QAT_HW_CCM_AAD_B0_LEN) {
 588                                 uint8_t pad_len = 0;
 589                                 uint8_t pad_idx = 0;
 590
 591                                 pad_len = ICP_QAT_HW_CCM_AAD_B0_LEN -
 592                                         ((aad_ccm_real_len +
 593                                         aad_len_field_sz) %
 594                                         ICP_QAT_HW_CCM_AAD_B0_LEN);
 595                                 pad_idx = ICP_QAT_HW_CCM_AAD_B0_LEN +
 596                                         aad_ccm_real_len +
 597                                         aad_len_field_sz;
 598                                 memset(&aad_data[pad_idx], 0, pad_len);
 599                         }
 600                 }
 601
 602                 rte_memcpy(((uint8_t *)cipher_param->u.cipher_IV_array)
 603                         + ICP_QAT_HW_CCM_NONCE_OFFSET,
 604                         (uint8_t *)iv->va +
 605                         ICP_QAT_HW_CCM_NONCE_OFFSET, ctx->cipher_iv.length);
 606                 *(uint8_t *)&cipher_param->u.cipher_IV_array[0] =
 607                         q - ICP_QAT_HW_CCM_NONCE_OFFSET;
 608
 609                 rte_memcpy((uint8_t *)aad->va +
 610                                 ICP_QAT_HW_CCM_NONCE_OFFSET,
 611                         (uint8_t *)iv->va + ICP_QAT_HW_CCM_NONCE_OFFSET,
 612                         ctx->cipher_iv.length);
 613                 break;
 614         default:
 615                 break;
 616         }
 617
 618         cipher_param->cipher_offset = ofs.ofs.cipher.head;
 619         cipher_param->cipher_length = data_len - ofs.ofs.cipher.head -
 620                         ofs.ofs.cipher.tail;
 621         auth_param->auth_off = ofs.ofs.cipher.head;
 622         auth_param->auth_len = cipher_param->cipher_length;
 623         auth_param->auth_res_addr = digest->iova;
 624         auth_param->u1.aad_adr = aad_iova;
 625 }
 626
 627 static __rte_always_inline int
 628 qat_sym_dp_enqueue_single_aead(void *qp_data, uint8_t *drv_ctx,
 629         struct rte_crypto_vec *data, uint16_t n_data_vecs,
 630         union rte_crypto_sym_ofs ofs,
 631         struct rte_crypto_va_iova_ptr *iv,
 632         struct rte_crypto_va_iova_ptr *digest,
 633         struct rte_crypto_va_iova_ptr *aad,
 634         void *user_data)
 635 {
 636         struct qat_qp *qp = qp_data;
 637         struct qat_sym_dp_ctx *dp_ctx = (void *)drv_ctx;
 638         struct qat_queue *tx_queue = &qp->tx_q;
 639         struct qat_sym_session *ctx = dp_ctx->session;
 640         struct icp_qat_fw_la_bulk_req *req;
 641         int32_t data_len;
 642         uint32_t tail = dp_ctx->tail;
 643
 644         req = (struct icp_qat_fw_la_bulk_req *)(
 645                 (uint8_t *)tx_queue->base_addr + tail);
 646         tail = (tail + tx_queue->msg_size) & tx_queue->modulo_mask;
 647         rte_mov128((uint8_t *)req, (const uint8_t *)&(ctx->fw_req));
 648         rte_prefetch0((uint8_t *)tx_queue->base_addr + tail);
 649         data_len = qat_sym_dp_parse_data_vec(qp, req, data, n_data_vecs);
 650         if (unlikely(data_len < 0))
 651                 return -1;
 652         req->comn_mid.opaque_data = (uint64_t)(uintptr_t)user_data;
 653
 654         enqueue_one_aead_job(ctx, req, iv, digest, aad, ofs,
 655                 (uint32_t)data_len);
 656
 657         dp_ctx->tail = tail;
 658         dp_ctx->cached_enqueue++;
 659
 660         return 0;
 661 }
 662
 663 static __rte_always_inline uint32_t
 664 qat_sym_dp_enqueue_aead_jobs(void *qp_data, uint8_t *drv_ctx,
 665         struct rte_crypto_sym_vec *vec, union rte_crypto_sym_ofs ofs,
 666         void *user_data[], int *status)
 667 {
 668         struct qat_qp *qp = qp_data;
 669         struct qat_sym_dp_ctx *dp_ctx = (void *)drv_ctx;
 670         struct qat_queue *tx_queue = &qp->tx_q;
 671         struct qat_sym_session *ctx = dp_ctx->session;
 672         uint32_t i, n;
 673         uint32_t tail;
 674         struct icp_qat_fw_la_bulk_req *req;
 675         int32_t data_len;
 676
 677         n = QAT_SYM_DP_GET_MAX_ENQ(qp, dp_ctx->cached_enqueue, vec->num);
 678         if (unlikely(n == 0)) {
 679                 qat_sym_dp_fill_vec_status(vec->status, -1, vec->num);
 680                 *status = 0;
 681                 return 0;
 682         }
 683
 684         tail = dp_ctx->tail;
 685
 686         for (i = 0; i < n; i++) {
 687                 req  = (struct icp_qat_fw_la_bulk_req *)(
 688                         (uint8_t *)tx_queue->base_addr + tail);
 689                 rte_mov128((uint8_t *)req, (const uint8_t *)&(ctx->fw_req));
 690
 691                 data_len = qat_sym_dp_parse_data_vec(qp, req, vec->sgl[i].vec,
 692                         vec->sgl[i].num);
 693                 if (unlikely(data_len < 0))
 694                         break;
 695                 req->comn_mid.opaque_data = (uint64_t)(uintptr_t)user_data[i];
 696                 enqueue_one_aead_job(ctx, req, &vec->iv[i], &vec->digest[i],
 697                         &vec->aad[i], ofs, (uint32_t)data_len);
 698                 tail = (tail + tx_queue->msg_size) & tx_queue->modulo_mask;
 699         }
 700
 701         if (unlikely(i < n))
 702                 qat_sym_dp_fill_vec_status(vec->status + i, -1, n - i);
 703
 704         dp_ctx->tail = tail;
 705         dp_ctx->cached_enqueue += i;
 706         *status = 0;
 707         return i;
 708 }
 709
 710 static __rte_always_inline uint32_t
 711 qat_sym_dp_dequeue_burst(void *qp_data, uint8_t *drv_ctx,
 712         rte_cryptodev_raw_get_dequeue_count_t get_dequeue_count,
 713         uint32_t max_nb_to_dequeue,
 714         rte_cryptodev_raw_post_dequeue_t post_dequeue,
 715         void **out_user_data, uint8_t is_user_data_array,
 716         uint32_t *n_success_jobs, int *return_status)
 717 {
 718         struct qat_qp *qp = qp_data;
 719         struct qat_sym_dp_ctx *dp_ctx = (void *)drv_ctx;
 720         struct qat_queue *rx_queue = &qp->rx_q;
 721         struct icp_qat_fw_comn_resp *resp;
 722         void *resp_opaque;
 723         uint32_t i, n, inflight;
 724         uint32_t head;
 725         uint8_t status;
 726
 727         *n_success_jobs = 0;
 728         *return_status = 0;
 729         head = dp_ctx->head;
 730
 731         inflight = qp->enqueued - qp->dequeued;
 732         if (unlikely(inflight == 0))
 733                 return 0;
 734
 735         resp = (struct icp_qat_fw_comn_resp *)((uint8_t *)rx_queue->base_addr +
 736                         head);
 737         /* no operation ready */
 738         if (unlikely(*(uint32_t *)resp == ADF_RING_EMPTY_SIG))
 739                 return 0;
 740
 741         resp_opaque = (void *)(uintptr_t)resp->opaque_data;
 742         /* get the dequeue count */
 743         if (get_dequeue_count) {
 744                 n = get_dequeue_count(resp_opaque);
 745                 if (unlikely(n == 0))
 746                         return 0;
 747         } else {
 748                 if (unlikely(max_nb_to_dequeue == 0))
 749                         return 0;
 750                 n = max_nb_to_dequeue;
 751         }
 752
 753         out_user_data[0] = resp_opaque;
 754         status = QAT_SYM_DP_IS_RESP_SUCCESS(resp);
 755         post_dequeue(resp_opaque, 0, status);
 756         *n_success_jobs += status;
 757
 758         head = (head + rx_queue->msg_size) & rx_queue->modulo_mask;
 759
 760         /* we already finished dequeue when n == 1 */
 761         if (unlikely(n == 1)) {
 762                 i = 1;
 763                 goto end_deq;
 764         }
 765
 766         if (is_user_data_array) {
 767                 for (i = 1; i < n; i++) {
 768                         resp = (struct icp_qat_fw_comn_resp *)(
 769                                 (uint8_t *)rx_queue->base_addr + head);
 770                         if (unlikely(*(uint32_t *)resp ==
 771                                         ADF_RING_EMPTY_SIG))
 772                                 goto end_deq;
 773                         out_user_data[i] = (void *)(uintptr_t)resp->opaque_data;
 774                         status = QAT_SYM_DP_IS_RESP_SUCCESS(resp);
 775                         *n_success_jobs += status;
 776                         post_dequeue(out_user_data[i], i, status);
 777                         head = (head + rx_queue->msg_size) &
 778                                         rx_queue->modulo_mask;
 779                 }
 780
 781                 goto end_deq;
 782         }
 783
 784         /* opaque is not array */
 785         for (i = 1; i < n; i++) {
 786                 resp = (struct icp_qat_fw_comn_resp *)(
 787                         (uint8_t *)rx_queue->base_addr + head);
 788                 status = QAT_SYM_DP_IS_RESP_SUCCESS(resp);
 789                 if (unlikely(*(uint32_t *)resp == ADF_RING_EMPTY_SIG))
 790                         goto end_deq;
 791                 head = (head + rx_queue->msg_size) &
 792                                 rx_queue->modulo_mask;
 793                 post_dequeue(resp_opaque, i, status);
 794                 *n_success_jobs += status;
 795         }
 796
 797 end_deq:
 798         dp_ctx->head = head;
 799         dp_ctx->cached_dequeue += i;
 800         return i;
 801 }
 802
 803 static __rte_always_inline void *
 804 qat_sym_dp_dequeue(void *qp_data, uint8_t *drv_ctx, int *dequeue_status,
 805                 enum rte_crypto_op_status *op_status)
 806 {
 807         struct qat_qp *qp = qp_data;
 808         struct qat_sym_dp_ctx *dp_ctx = (void *)drv_ctx;
 809         struct qat_queue *rx_queue = &qp->rx_q;
 810         register struct icp_qat_fw_comn_resp *resp;
 811
 812         resp = (struct icp_qat_fw_comn_resp *)((uint8_t *)rx_queue->base_addr +
 813                         dp_ctx->head);
 814
 815         if (unlikely(*(uint32_t *)resp == ADF_RING_EMPTY_SIG))
 816                 return NULL;
 817
 818         dp_ctx->head = (dp_ctx->head + rx_queue->msg_size) &
 819                         rx_queue->modulo_mask;
 820         dp_ctx->cached_dequeue++;
 821
 822         *op_status = QAT_SYM_DP_IS_RESP_SUCCESS(resp) ?
 823                         RTE_CRYPTO_OP_STATUS_SUCCESS :
 824                         RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
 825         *dequeue_status = 0;
 826         return (void *)(uintptr_t)resp->opaque_data;
 827 }
 828
 829 static __rte_always_inline int
 830 qat_sym_dp_kick_tail(void *qp_data, uint8_t *drv_ctx, uint32_t n)
 831 {
 832         struct qat_qp *qp = qp_data;
 833         struct qat_queue *tx_queue = &qp->tx_q;
 834         struct qat_sym_dp_ctx *dp_ctx = (void *)drv_ctx;
 835
 836         if (unlikely(dp_ctx->cached_enqueue != n))
 837                 return -1;
 838
 839         qp->enqueued += n;
 840         qp->stats.enqueued_count += n;
 841
 842         tx_queue->tail = dp_ctx->tail;
 843
 844         WRITE_CSR_RING_TAIL(qp->mmap_bar_addr,
 845                         tx_queue->hw_bundle_number,
 846                         tx_queue->hw_queue_number, tx_queue->tail);
 847         tx_queue->csr_tail = tx_queue->tail;
 848         dp_ctx->cached_enqueue = 0;
 849
 850         return 0;
 851 }
 852
 853 static __rte_always_inline int
 854 qat_sym_dp_update_head(void *qp_data, uint8_t *drv_ctx, uint32_t n)
 855 {
 856         struct qat_qp *qp = qp_data;
 857         struct qat_queue *rx_queue = &qp->rx_q;
 858         struct qat_sym_dp_ctx *dp_ctx = (void *)drv_ctx;
 859
 860         if (unlikely(dp_ctx->cached_dequeue != n))
 861                 return -1;
 862
 863         rx_queue->head = dp_ctx->head;
 864         rx_queue->nb_processed_responses += n;
 865         qp->dequeued += n;
 866         qp->stats.dequeued_count += n;
 867         if (rx_queue->nb_processed_responses > QAT_CSR_HEAD_WRITE_THRESH) {
 868                 uint32_t old_head, new_head;
 869                 uint32_t max_head;
 870
 871                 old_head = rx_queue->csr_head;
 872                 new_head = rx_queue->head;
 873                 max_head = qp->nb_descriptors * rx_queue->msg_size;
 874
 875                 /* write out free descriptors */
 876                 void *cur_desc = (uint8_t *)rx_queue->base_addr + old_head;
 877
 878                 if (new_head < old_head) {
 879                         memset(cur_desc, ADF_RING_EMPTY_SIG_BYTE,
 880                                         max_head - old_head);
 881                         memset(rx_queue->base_addr, ADF_RING_EMPTY_SIG_BYTE,
 882                                         new_head);
 883                 } else {
 884                         memset(cur_desc, ADF_RING_EMPTY_SIG_BYTE, new_head -
 885                                         old_head);
 886                 }
 887                 rx_queue->nb_processed_responses = 0;
 888                 rx_queue->csr_head = new_head;
 889
 890                 /* write current head to CSR */
 891                 WRITE_CSR_RING_HEAD(qp->mmap_bar_addr,
 892                         rx_queue->hw_bundle_number, rx_queue->hw_queue_number,
 893                         new_head);
 894         }
 895
 896         dp_ctx->cached_dequeue = 0;
 897         return 0;
 898 }
 899
 900 int
 901 qat_sym_configure_dp_ctx(struct rte_cryptodev *dev, uint16_t qp_id,
 902         struct rte_crypto_raw_dp_ctx *raw_dp_ctx,
 903         enum rte_crypto_op_sess_type sess_type,
 904         union rte_cryptodev_session_ctx session_ctx, uint8_t is_update)
 905 {
 906         struct qat_qp *qp;
 907         struct qat_sym_session *ctx;
 908         struct qat_sym_dp_ctx *dp_ctx;
 909
 910         qp = dev->data->queue_pairs[qp_id];
 911         dp_ctx = (struct qat_sym_dp_ctx *)raw_dp_ctx->drv_ctx_data;
 912
 913         if (!is_update) {
 914                 memset(raw_dp_ctx, 0, sizeof(*raw_dp_ctx) +
 915                                 sizeof(struct qat_sym_dp_ctx));
 916                 raw_dp_ctx->qp_data = dev->data->queue_pairs[qp_id];
 917                 dp_ctx->tail = qp->tx_q.tail;
 918                 dp_ctx->head = qp->rx_q.head;
 919                 dp_ctx->cached_enqueue = dp_ctx->cached_dequeue = 0;
 920         }
 921
 922         if (sess_type != RTE_CRYPTO_OP_WITH_SESSION)
 923                 return -EINVAL;
 924
 925         ctx = (struct qat_sym_session *)get_sym_session_private_data(
 926                         session_ctx.crypto_sess, qat_sym_driver_id);
 927
 928         dp_ctx->session = ctx;
 929
 930         raw_dp_ctx->enqueue_done = qat_sym_dp_kick_tail;
 931         raw_dp_ctx->dequeue_burst = qat_sym_dp_dequeue_burst;
 932         raw_dp_ctx->dequeue = qat_sym_dp_dequeue;
 933         raw_dp_ctx->dequeue_done = qat_sym_dp_update_head;
 934
 935         if ((ctx->qat_cmd == ICP_QAT_FW_LA_CMD_HASH_CIPHER ||
 936                         ctx->qat_cmd == ICP_QAT_FW_LA_CMD_CIPHER_HASH) &&
 937                         !ctx->is_gmac) {
 938                 /* AES-GCM or AES-CCM */
 939                 if (ctx->qat_hash_alg == ICP_QAT_HW_AUTH_ALGO_GALOIS_128 ||
 940                         ctx->qat_hash_alg == ICP_QAT_HW_AUTH_ALGO_GALOIS_64 ||
 941                         (ctx->qat_cipher_alg == ICP_QAT_HW_CIPHER_ALGO_AES128
 942                         && ctx->qat_mode == ICP_QAT_HW_CIPHER_CTR_MODE
 943                         && ctx->qat_hash_alg ==
 944                                         ICP_QAT_HW_AUTH_ALGO_AES_CBC_MAC)) {
 945                         raw_dp_ctx->enqueue_burst =
 946                                         qat_sym_dp_enqueue_aead_jobs;
 947                         raw_dp_ctx->enqueue = qat_sym_dp_enqueue_single_aead;
 948                 } else {
 949                         raw_dp_ctx->enqueue_burst =
 950                                         qat_sym_dp_enqueue_chain_jobs;
 951                         raw_dp_ctx->enqueue = qat_sym_dp_enqueue_single_chain;
 952                 }
 953         } else if (ctx->qat_cmd == ICP_QAT_FW_LA_CMD_AUTH || ctx->is_gmac) {
 954                 raw_dp_ctx->enqueue_burst = qat_sym_dp_enqueue_auth_jobs;
 955                 raw_dp_ctx->enqueue = qat_sym_dp_enqueue_single_auth;
 956         } else if (ctx->qat_cmd == ICP_QAT_FW_LA_CMD_CIPHER) {
 957                 if (ctx->qat_mode == ICP_QAT_HW_CIPHER_AEAD_MODE ||
 958                         ctx->qat_cipher_alg ==
 959                                 ICP_QAT_HW_CIPHER_ALGO_CHACHA20_POLY1305) {
 960                         raw_dp_ctx->enqueue_burst =
 961                                         qat_sym_dp_enqueue_aead_jobs;
 962                         raw_dp_ctx->enqueue = qat_sym_dp_enqueue_single_aead;
 963                 } else {
 964                         raw_dp_ctx->enqueue_burst =
 965                                         qat_sym_dp_enqueue_cipher_jobs;
 966                         raw_dp_ctx->enqueue = qat_sym_dp_enqueue_single_cipher;
 967                 }
 968         } else
 969                 return -1;
 970
 971         return 0;
 972 }
 973
 974 int
 975 qat_sym_get_dp_ctx_size(__rte_unused struct rte_cryptodev *dev)
 976 {
 977         return sizeof(struct qat_sym_dp_ctx);
 978 }