drivers/net/ice/ice_dcf.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2020 Intel Corporation
   3  */
   4
   5 #include <sys/queue.h>
   6 #include <stdio.h>
   7 #include <errno.h>
   8 #include <stdint.h>
   9 #include <string.h>
  10 #include <unistd.h>
  11 #include <stdarg.h>
  12 #include <inttypes.h>
  13 #include <rte_byteorder.h>
  14 #include <rte_common.h>
  15
  16 #include <rte_pci.h>
  17 #include <rte_atomic.h>
  18 #include <rte_eal.h>
  19 #include <rte_ether.h>
  20 #include <rte_ethdev_driver.h>
  21 #include <rte_ethdev_pci.h>
  22 #include <rte_malloc.h>
  23 #include <rte_memzone.h>
  24 #include <rte_dev.h>
  25
  26 #include "ice_dcf.h"
  27 #include "ice_rxtx.h"
  28
  29 #define ICE_DCF_AQ_LEN     32
  30 #define ICE_DCF_AQ_BUF_SZ  4096
  31
  32 #define ICE_DCF_ARQ_MAX_RETRIES 200
  33 #define ICE_DCF_ARQ_CHECK_TIME  2   /* msecs */
  34
  35 #define ICE_DCF_VF_RES_BUF_SZ   \
  36         (sizeof(struct virtchnl_vf_resource) +  \
  37                 IAVF_MAX_VF_VSI * sizeof(struct virtchnl_vsi_resource))
  38
  39 static __rte_always_inline int
  40 ice_dcf_send_cmd_req_no_irq(struct ice_dcf_hw *hw, enum virtchnl_ops op,
  41                             uint8_t *req_msg, uint16_t req_msglen)
  42 {
  43         return iavf_aq_send_msg_to_pf(&hw->avf, op, IAVF_SUCCESS,
  44                                       req_msg, req_msglen, NULL);
  45 }
  46
  47 static int
  48 ice_dcf_recv_cmd_rsp_no_irq(struct ice_dcf_hw *hw, enum virtchnl_ops op,
  49                             uint8_t *rsp_msgbuf, uint16_t rsp_buflen,
  50                             uint16_t *rsp_msglen)
  51 {
  52         struct iavf_arq_event_info event;
  53         enum virtchnl_ops v_op;
  54         int i = 0;
  55         int err;
  56
  57         event.buf_len = rsp_buflen;
  58         event.msg_buf = rsp_msgbuf;
  59
  60         do {
  61                 err = iavf_clean_arq_element(&hw->avf, &event, NULL);
  62                 if (err != IAVF_SUCCESS)
  63                         goto again;
  64
  65                 v_op = rte_le_to_cpu_32(event.desc.cookie_high);
  66                 if (v_op != op)
  67                         goto again;
  68
  69                 if (rsp_msglen != NULL)
  70                         *rsp_msglen = event.msg_len;
  71                 return rte_le_to_cpu_32(event.desc.cookie_low);
  72
  73 again:
  74                 rte_delay_ms(ICE_DCF_ARQ_CHECK_TIME);
  75         } while (i++ < ICE_DCF_ARQ_MAX_RETRIES);
  76
  77         return -EIO;
  78 }
  79
  80 static __rte_always_inline void
  81 ice_dcf_aq_cmd_clear(struct ice_dcf_hw *hw, struct dcf_virtchnl_cmd *cmd)
  82 {
  83         rte_spinlock_lock(&hw->vc_cmd_queue_lock);
  84
  85         TAILQ_REMOVE(&hw->vc_cmd_queue, cmd, next);
  86
  87         rte_spinlock_unlock(&hw->vc_cmd_queue_lock);
  88 }
  89
  90 static __rte_always_inline void
  91 ice_dcf_vc_cmd_set(struct ice_dcf_hw *hw, struct dcf_virtchnl_cmd *cmd)
  92 {
  93         cmd->v_ret = IAVF_ERR_NOT_READY;
  94         cmd->rsp_msglen = 0;
  95         cmd->pending = 1;
  96
  97         rte_spinlock_lock(&hw->vc_cmd_queue_lock);
  98
  99         TAILQ_INSERT_TAIL(&hw->vc_cmd_queue, cmd, next);
 100
 101         rte_spinlock_unlock(&hw->vc_cmd_queue_lock);
 102 }
 103
 104 static __rte_always_inline int
 105 ice_dcf_vc_cmd_send(struct ice_dcf_hw *hw, struct dcf_virtchnl_cmd *cmd)
 106 {
 107         return iavf_aq_send_msg_to_pf(&hw->avf,
 108                                       cmd->v_op, IAVF_SUCCESS,
 109                                       cmd->req_msg, cmd->req_msglen, NULL);
 110 }
 111
 112 static __rte_always_inline void
 113 ice_dcf_aq_cmd_handle(struct ice_dcf_hw *hw, struct iavf_arq_event_info *info)
 114 {
 115         struct dcf_virtchnl_cmd *cmd;
 116         enum virtchnl_ops v_op;
 117         enum iavf_status v_ret;
 118         uint16_t aq_op;
 119
 120         aq_op = rte_le_to_cpu_16(info->desc.opcode);
 121         if (unlikely(aq_op != iavf_aqc_opc_send_msg_to_vf)) {
 122                 PMD_DRV_LOG(ERR,
 123                             "Request %u is not supported yet", aq_op);
 124                 return;
 125         }
 126
 127         v_op = rte_le_to_cpu_32(info->desc.cookie_high);
 128         if (v_op == VIRTCHNL_OP_EVENT) {
 129                 if (hw->vc_event_msg_cb != NULL)
 130                         hw->vc_event_msg_cb(hw,
 131                                             info->msg_buf,
 132                                             info->msg_len);
 133                 return;
 134         }
 135
 136         v_ret = rte_le_to_cpu_32(info->desc.cookie_low);
 137
 138         rte_spinlock_lock(&hw->vc_cmd_queue_lock);
 139
 140         TAILQ_FOREACH(cmd, &hw->vc_cmd_queue, next) {
 141                 if (cmd->v_op == v_op && cmd->pending) {
 142                         cmd->v_ret = v_ret;
 143                         cmd->rsp_msglen = RTE_MIN(info->msg_len,
 144                                                   cmd->rsp_buflen);
 145                         if (likely(cmd->rsp_msglen != 0))
 146                                 rte_memcpy(cmd->rsp_msgbuf, info->msg_buf,
 147                                            cmd->rsp_msglen);
 148
 149                         /* prevent compiler reordering */
 150                         rte_compiler_barrier();
 151                         cmd->pending = 0;
 152                         break;
 153                 }
 154         }
 155
 156         rte_spinlock_unlock(&hw->vc_cmd_queue_lock);
 157 }
 158
 159 static void
 160 ice_dcf_handle_virtchnl_msg(struct ice_dcf_hw *hw)
 161 {
 162         struct iavf_arq_event_info info;
 163         uint16_t pending = 1;
 164         int ret;
 165
 166         info.buf_len = ICE_DCF_AQ_BUF_SZ;
 167         info.msg_buf = hw->arq_buf;
 168
 169         while (pending) {
 170                 ret = iavf_clean_arq_element(&hw->avf, &info, &pending);
 171                 if (ret != IAVF_SUCCESS)
 172                         break;
 173
 174                 ice_dcf_aq_cmd_handle(hw, &info);
 175         }
 176 }
 177
 178 static int
 179 ice_dcf_init_check_api_version(struct ice_dcf_hw *hw)
 180 {
 181 #define ICE_CPF_VIRTCHNL_VERSION_MAJOR_START    1
 182 #define ICE_CPF_VIRTCHNL_VERSION_MINOR_START    1
 183         struct virtchnl_version_info version, *pver;
 184         int err;
 185
 186         version.major = VIRTCHNL_VERSION_MAJOR;
 187         version.minor = VIRTCHNL_VERSION_MINOR;
 188         err = ice_dcf_send_cmd_req_no_irq(hw, VIRTCHNL_OP_VERSION,
 189                                           (uint8_t *)&version, sizeof(version));
 190         if (err) {
 191                 PMD_INIT_LOG(ERR, "Failed to send OP_VERSION");
 192                 return err;
 193         }
 194
 195         pver = &hw->virtchnl_version;
 196         err = ice_dcf_recv_cmd_rsp_no_irq(hw, VIRTCHNL_OP_VERSION,
 197                                           (uint8_t *)pver, sizeof(*pver), NULL);
 198         if (err) {
 199                 PMD_INIT_LOG(ERR, "Failed to get response of OP_VERSION");
 200                 return -1;
 201         }
 202
 203         PMD_INIT_LOG(DEBUG,
 204                      "Peer PF API version: %u.%u", pver->major, pver->minor);
 205
 206         if (pver->major < ICE_CPF_VIRTCHNL_VERSION_MAJOR_START ||
 207             (pver->major == ICE_CPF_VIRTCHNL_VERSION_MAJOR_START &&
 208              pver->minor < ICE_CPF_VIRTCHNL_VERSION_MINOR_START)) {
 209                 PMD_INIT_LOG(ERR,
 210                              "VIRTCHNL API version should not be lower than (%u.%u)",
 211                              ICE_CPF_VIRTCHNL_VERSION_MAJOR_START,
 212                              ICE_CPF_VIRTCHNL_VERSION_MAJOR_START);
 213                 return -1;
 214         } else if (pver->major > VIRTCHNL_VERSION_MAJOR ||
 215                    (pver->major == VIRTCHNL_VERSION_MAJOR &&
 216                     pver->minor > VIRTCHNL_VERSION_MINOR)) {
 217                 PMD_INIT_LOG(ERR,
 218                              "PF/VF API version mismatch:(%u.%u)-(%u.%u)",
 219                              pver->major, pver->minor,
 220                              VIRTCHNL_VERSION_MAJOR, VIRTCHNL_VERSION_MINOR);
 221                 return -1;
 222         }
 223
 224         PMD_INIT_LOG(DEBUG, "Peer is supported PF host");
 225
 226         return 0;
 227 }
 228
 229 static int
 230 ice_dcf_get_vf_resource(struct ice_dcf_hw *hw)
 231 {
 232         uint32_t caps;
 233         int err, i;
 234
 235         caps = VIRTCHNL_VF_OFFLOAD_WB_ON_ITR | VIRTCHNL_VF_OFFLOAD_RX_POLLING |
 236                VIRTCHNL_VF_CAP_ADV_LINK_SPEED | VIRTCHNL_VF_CAP_DCF |
 237                VIRTCHNL_VF_OFFLOAD_VLAN_V2 |
 238                VF_BASE_MODE_OFFLOADS | VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC;
 239
 240         err = ice_dcf_send_cmd_req_no_irq(hw, VIRTCHNL_OP_GET_VF_RESOURCES,
 241                                           (uint8_t *)&caps, sizeof(caps));
 242         if (err) {
 243                 PMD_DRV_LOG(ERR, "Failed to send msg OP_GET_VF_RESOURCE");
 244                 return err;
 245         }
 246
 247         err = ice_dcf_recv_cmd_rsp_no_irq(hw, VIRTCHNL_OP_GET_VF_RESOURCES,
 248                                           (uint8_t *)hw->vf_res,
 249                                           ICE_DCF_VF_RES_BUF_SZ, NULL);
 250         if (err) {
 251                 PMD_DRV_LOG(ERR, "Failed to get response of OP_GET_VF_RESOURCE");
 252                 return -1;
 253         }
 254
 255         iavf_vf_parse_hw_config(&hw->avf, hw->vf_res);
 256
 257         hw->vsi_res = NULL;
 258         for (i = 0; i < hw->vf_res->num_vsis; i++) {
 259                 if (hw->vf_res->vsi_res[i].vsi_type == VIRTCHNL_VSI_SRIOV)
 260                         hw->vsi_res = &hw->vf_res->vsi_res[i];
 261         }
 262
 263         if (!hw->vsi_res) {
 264                 PMD_DRV_LOG(ERR, "no LAN VSI found");
 265                 return -1;
 266         }
 267
 268         hw->vsi_id = hw->vsi_res->vsi_id;
 269         PMD_DRV_LOG(DEBUG, "VSI ID is %u", hw->vsi_id);
 270
 271         return 0;
 272 }
 273
 274 static int
 275 ice_dcf_get_vf_vsi_map(struct ice_dcf_hw *hw)
 276 {
 277         struct virtchnl_dcf_vsi_map *vsi_map;
 278         uint32_t valid_msg_len;
 279         uint16_t len;
 280         int err;
 281
 282         err = ice_dcf_send_cmd_req_no_irq(hw, VIRTCHNL_OP_DCF_GET_VSI_MAP,
 283                                           NULL, 0);
 284         if (err) {
 285                 PMD_DRV_LOG(ERR, "Failed to send msg OP_DCF_GET_VSI_MAP");
 286                 return err;
 287         }
 288
 289         err = ice_dcf_recv_cmd_rsp_no_irq(hw, VIRTCHNL_OP_DCF_GET_VSI_MAP,
 290                                           hw->arq_buf, ICE_DCF_AQ_BUF_SZ,
 291                                           &len);
 292         if (err) {
 293                 PMD_DRV_LOG(ERR, "Failed to get response of OP_DCF_GET_VSI_MAP");
 294                 return err;
 295         }
 296
 297         vsi_map = (struct virtchnl_dcf_vsi_map *)hw->arq_buf;
 298         valid_msg_len = (vsi_map->num_vfs - 1) * sizeof(vsi_map->vf_vsi[0]) +
 299                         sizeof(*vsi_map);
 300         if (len != valid_msg_len) {
 301                 PMD_DRV_LOG(ERR, "invalid vf vsi map response with length %u",
 302                             len);
 303                 return -EINVAL;
 304         }
 305
 306         if (hw->num_vfs != 0 && hw->num_vfs != vsi_map->num_vfs) {
 307                 PMD_DRV_LOG(ERR, "The number VSI map (%u) doesn't match the number of VFs (%u)",
 308                             vsi_map->num_vfs, hw->num_vfs);
 309                 return -EINVAL;
 310         }
 311
 312         len = vsi_map->num_vfs * sizeof(vsi_map->vf_vsi[0]);
 313
 314         if (!hw->vf_vsi_map) {
 315                 hw->vf_vsi_map = rte_zmalloc("vf_vsi_ctx", len, 0);
 316                 if (!hw->vf_vsi_map) {
 317                         PMD_DRV_LOG(ERR, "Failed to alloc memory for VSI context");
 318                         return -ENOMEM;
 319                 }
 320
 321                 hw->num_vfs = vsi_map->num_vfs;
 322                 hw->pf_vsi_id = vsi_map->pf_vsi;
 323         }
 324
 325         if (!memcmp(hw->vf_vsi_map, vsi_map->vf_vsi, len)) {
 326                 PMD_DRV_LOG(DEBUG, "VF VSI map doesn't change");
 327                 return 1;
 328         }
 329
 330         rte_memcpy(hw->vf_vsi_map, vsi_map->vf_vsi, len);
 331         return 0;
 332 }
 333
 334 static int
 335 ice_dcf_mode_disable(struct ice_dcf_hw *hw)
 336 {
 337         int err;
 338
 339         err = ice_dcf_send_cmd_req_no_irq(hw, VIRTCHNL_OP_DCF_DISABLE,
 340                                           NULL, 0);
 341         if (err) {
 342                 PMD_DRV_LOG(ERR, "Failed to send msg OP_DCF_DISABLE");
 343                 return err;
 344         }
 345
 346         err = ice_dcf_recv_cmd_rsp_no_irq(hw, VIRTCHNL_OP_DCF_DISABLE,
 347                                           hw->arq_buf, ICE_DCF_AQ_BUF_SZ, NULL);
 348         if (err) {
 349                 PMD_DRV_LOG(ERR,
 350                             "Failed to get response of OP_DCF_DISABLE %d",
 351                             err);
 352                 return -1;
 353         }
 354
 355         return 0;
 356 }
 357
 358 static int
 359 ice_dcf_check_reset_done(struct ice_dcf_hw *hw)
 360 {
 361 #define ICE_DCF_RESET_WAIT_CNT       50
 362         struct iavf_hw *avf = &hw->avf;
 363         int i, reset;
 364
 365         for (i = 0; i < ICE_DCF_RESET_WAIT_CNT; i++) {
 366                 reset = IAVF_READ_REG(avf, IAVF_VFGEN_RSTAT) &
 367                                         IAVF_VFGEN_RSTAT_VFR_STATE_MASK;
 368                 reset = reset >> IAVF_VFGEN_RSTAT_VFR_STATE_SHIFT;
 369
 370                 if (reset == VIRTCHNL_VFR_VFACTIVE ||
 371                     reset == VIRTCHNL_VFR_COMPLETED)
 372                         break;
 373
 374                 rte_delay_ms(20);
 375         }
 376
 377         if (i >= ICE_DCF_RESET_WAIT_CNT)
 378                 return -1;
 379
 380         return 0;
 381 }
 382
 383 static inline void
 384 ice_dcf_enable_irq0(struct ice_dcf_hw *hw)
 385 {
 386         struct iavf_hw *avf = &hw->avf;
 387
 388         /* Enable admin queue interrupt trigger */
 389         IAVF_WRITE_REG(avf, IAVF_VFINT_ICR0_ENA1,
 390                        IAVF_VFINT_ICR0_ENA1_ADMINQ_MASK);
 391         IAVF_WRITE_REG(avf, IAVF_VFINT_DYN_CTL01,
 392                        IAVF_VFINT_DYN_CTL01_INTENA_MASK |
 393                        IAVF_VFINT_DYN_CTL01_CLEARPBA_MASK |
 394                        IAVF_VFINT_DYN_CTL01_ITR_INDX_MASK);
 395
 396         IAVF_WRITE_FLUSH(avf);
 397 }
 398
 399 static inline void
 400 ice_dcf_disable_irq0(struct ice_dcf_hw *hw)
 401 {
 402         struct iavf_hw *avf = &hw->avf;
 403
 404         /* Disable all interrupt types */
 405         IAVF_WRITE_REG(avf, IAVF_VFINT_ICR0_ENA1, 0);
 406         IAVF_WRITE_REG(avf, IAVF_VFINT_DYN_CTL01,
 407                        IAVF_VFINT_DYN_CTL01_ITR_INDX_MASK);
 408
 409         IAVF_WRITE_FLUSH(avf);
 410 }
 411
 412 static void
 413 ice_dcf_dev_interrupt_handler(void *param)
 414 {
 415         struct ice_dcf_hw *hw = param;
 416
 417         ice_dcf_disable_irq0(hw);
 418
 419         ice_dcf_handle_virtchnl_msg(hw);
 420
 421         ice_dcf_enable_irq0(hw);
 422 }
 423
 424 int
 425 ice_dcf_execute_virtchnl_cmd(struct ice_dcf_hw *hw,
 426                              struct dcf_virtchnl_cmd *cmd)
 427 {
 428         int i = 0;
 429         int err;
 430
 431         if ((cmd->req_msg && !cmd->req_msglen) ||
 432             (!cmd->req_msg && cmd->req_msglen) ||
 433             (cmd->rsp_msgbuf && !cmd->rsp_buflen) ||
 434             (!cmd->rsp_msgbuf && cmd->rsp_buflen))
 435                 return -EINVAL;
 436
 437         rte_spinlock_lock(&hw->vc_cmd_send_lock);
 438         ice_dcf_vc_cmd_set(hw, cmd);
 439
 440         err = ice_dcf_vc_cmd_send(hw, cmd);
 441         if (err) {
 442                 PMD_DRV_LOG(ERR, "fail to send cmd %d", cmd->v_op);
 443                 goto ret;
 444         }
 445
 446         do {
 447                 if (!cmd->pending)
 448                         break;
 449
 450                 rte_delay_ms(ICE_DCF_ARQ_CHECK_TIME);
 451         } while (i++ < ICE_DCF_ARQ_MAX_RETRIES);
 452
 453         if (cmd->v_ret != IAVF_SUCCESS) {
 454                 err = -1;
 455                 PMD_DRV_LOG(ERR,
 456                             "No response (%d times) or return failure (%d) for cmd %d",
 457                             i, cmd->v_ret, cmd->v_op);
 458         }
 459
 460 ret:
 461         ice_dcf_aq_cmd_clear(hw, cmd);
 462         rte_spinlock_unlock(&hw->vc_cmd_send_lock);
 463         return err;
 464 }
 465
 466 int
 467 ice_dcf_send_aq_cmd(void *dcf_hw, struct ice_aq_desc *desc,
 468                     void *buf, uint16_t buf_size)
 469 {
 470         struct dcf_virtchnl_cmd desc_cmd, buff_cmd;
 471         struct ice_dcf_hw *hw = dcf_hw;
 472         int err = 0;
 473         int i = 0;
 474
 475         if ((buf && !buf_size) || (!buf && buf_size) ||
 476             buf_size > ICE_DCF_AQ_BUF_SZ)
 477                 return -EINVAL;
 478
 479         desc_cmd.v_op = VIRTCHNL_OP_DCF_CMD_DESC;
 480         desc_cmd.req_msglen = sizeof(*desc);
 481         desc_cmd.req_msg = (uint8_t *)desc;
 482         desc_cmd.rsp_buflen = sizeof(*desc);
 483         desc_cmd.rsp_msgbuf = (uint8_t *)desc;
 484
 485         if (buf == NULL)
 486                 return ice_dcf_execute_virtchnl_cmd(hw, &desc_cmd);
 487
 488         desc->flags |= rte_cpu_to_le_16(ICE_AQ_FLAG_BUF);
 489
 490         buff_cmd.v_op = VIRTCHNL_OP_DCF_CMD_BUFF;
 491         buff_cmd.req_msglen = buf_size;
 492         buff_cmd.req_msg = buf;
 493         buff_cmd.rsp_buflen = buf_size;
 494         buff_cmd.rsp_msgbuf = buf;
 495
 496         rte_spinlock_lock(&hw->vc_cmd_send_lock);
 497         ice_dcf_vc_cmd_set(hw, &desc_cmd);
 498         ice_dcf_vc_cmd_set(hw, &buff_cmd);
 499
 500         if (ice_dcf_vc_cmd_send(hw, &desc_cmd) ||
 501             ice_dcf_vc_cmd_send(hw, &buff_cmd)) {
 502                 err = -1;
 503                 PMD_DRV_LOG(ERR, "fail to send OP_DCF_CMD_DESC/BUFF");
 504                 goto ret;
 505         }
 506
 507         do {
 508                 if ((!desc_cmd.pending && !buff_cmd.pending) ||
 509                     (!desc_cmd.pending && desc_cmd.v_ret != IAVF_SUCCESS) ||
 510                     (!buff_cmd.pending && buff_cmd.v_ret != IAVF_SUCCESS))
 511                         break;
 512
 513                 rte_delay_ms(ICE_DCF_ARQ_CHECK_TIME);
 514         } while (i++ < ICE_DCF_ARQ_MAX_RETRIES);
 515
 516         if (desc_cmd.v_ret != IAVF_SUCCESS || buff_cmd.v_ret != IAVF_SUCCESS) {
 517                 err = -1;
 518                 PMD_DRV_LOG(ERR,
 519                             "No response (%d times) or return failure (desc: %d / buff: %d)",
 520                             i, desc_cmd.v_ret, buff_cmd.v_ret);
 521         }
 522
 523 ret:
 524         ice_dcf_aq_cmd_clear(hw, &desc_cmd);
 525         ice_dcf_aq_cmd_clear(hw, &buff_cmd);
 526         rte_spinlock_unlock(&hw->vc_cmd_send_lock);
 527
 528         return err;
 529 }
 530
 531 int
 532 ice_dcf_handle_vsi_update_event(struct ice_dcf_hw *hw)
 533 {
 534         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(hw->eth_dev);
 535         int err = 0;
 536
 537         rte_spinlock_lock(&hw->vc_cmd_send_lock);
 538
 539         rte_intr_disable(&pci_dev->intr_handle);
 540         ice_dcf_disable_irq0(hw);
 541
 542         if (ice_dcf_get_vf_resource(hw) || ice_dcf_get_vf_vsi_map(hw) < 0)
 543                 err = -1;
 544
 545         rte_intr_enable(&pci_dev->intr_handle);
 546         ice_dcf_enable_irq0(hw);
 547
 548         rte_spinlock_unlock(&hw->vc_cmd_send_lock);
 549
 550         return err;
 551 }
 552
 553 static int
 554 ice_dcf_get_supported_rxdid(struct ice_dcf_hw *hw)
 555 {
 556         int err;
 557
 558         err = ice_dcf_send_cmd_req_no_irq(hw,
 559                                           VIRTCHNL_OP_GET_SUPPORTED_RXDIDS,
 560                                           NULL, 0);
 561         if (err) {
 562                 PMD_INIT_LOG(ERR, "Failed to send OP_GET_SUPPORTED_RXDIDS");
 563                 return -1;
 564         }
 565
 566         err = ice_dcf_recv_cmd_rsp_no_irq(hw, VIRTCHNL_OP_GET_SUPPORTED_RXDIDS,
 567                                           (uint8_t *)&hw->supported_rxdid,
 568                                           sizeof(uint64_t), NULL);
 569         if (err) {
 570                 PMD_INIT_LOG(ERR, "Failed to get response of OP_GET_SUPPORTED_RXDIDS");
 571                 return -1;
 572         }
 573
 574         return 0;
 575 }
 576
 577 int
 578 ice_dcf_init_hw(struct rte_eth_dev *eth_dev, struct ice_dcf_hw *hw)
 579 {
 580         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
 581         int ret;
 582
 583         hw->avf.hw_addr = pci_dev->mem_resource[0].addr;
 584         hw->avf.back = hw;
 585
 586         hw->avf.bus.bus_id = pci_dev->addr.bus;
 587         hw->avf.bus.device = pci_dev->addr.devid;
 588         hw->avf.bus.func = pci_dev->addr.function;
 589
 590         hw->avf.device_id = pci_dev->id.device_id;
 591         hw->avf.vendor_id = pci_dev->id.vendor_id;
 592         hw->avf.subsystem_device_id = pci_dev->id.subsystem_device_id;
 593         hw->avf.subsystem_vendor_id = pci_dev->id.subsystem_vendor_id;
 594
 595         hw->avf.aq.num_arq_entries = ICE_DCF_AQ_LEN;
 596         hw->avf.aq.num_asq_entries = ICE_DCF_AQ_LEN;
 597         hw->avf.aq.arq_buf_size = ICE_DCF_AQ_BUF_SZ;
 598         hw->avf.aq.asq_buf_size = ICE_DCF_AQ_BUF_SZ;
 599
 600         rte_spinlock_init(&hw->vc_cmd_send_lock);
 601         rte_spinlock_init(&hw->vc_cmd_queue_lock);
 602         TAILQ_INIT(&hw->vc_cmd_queue);
 603
 604         hw->arq_buf = rte_zmalloc("arq_buf", ICE_DCF_AQ_BUF_SZ, 0);
 605         if (hw->arq_buf == NULL) {
 606                 PMD_INIT_LOG(ERR, "unable to allocate AdminQ buffer memory");
 607                 goto err;
 608         }
 609
 610         ret = iavf_set_mac_type(&hw->avf);
 611         if (ret) {
 612                 PMD_INIT_LOG(ERR, "set_mac_type failed: %d", ret);
 613                 goto err;
 614         }
 615
 616         ret = ice_dcf_check_reset_done(hw);
 617         if (ret) {
 618                 PMD_INIT_LOG(ERR, "VF is still resetting");
 619                 goto err;
 620         }
 621
 622         ret = iavf_init_adminq(&hw->avf);
 623         if (ret) {
 624                 PMD_INIT_LOG(ERR, "init_adminq failed: %d", ret);
 625                 goto err;
 626         }
 627
 628         if (ice_dcf_init_check_api_version(hw)) {
 629                 PMD_INIT_LOG(ERR, "check_api version failed");
 630                 goto err_api;
 631         }
 632
 633         hw->vf_res = rte_zmalloc("vf_res", ICE_DCF_VF_RES_BUF_SZ, 0);
 634         if (hw->vf_res == NULL) {
 635                 PMD_INIT_LOG(ERR, "unable to allocate vf_res memory");
 636                 goto err_api;
 637         }
 638
 639         if (ice_dcf_get_vf_resource(hw)) {
 640                 PMD_INIT_LOG(ERR, "Failed to get VF resource");
 641                 goto err_alloc;
 642         }
 643
 644         if (ice_dcf_get_vf_vsi_map(hw) < 0) {
 645                 PMD_INIT_LOG(ERR, "Failed to get VF VSI map");
 646                 ice_dcf_mode_disable(hw);
 647                 goto err_alloc;
 648         }
 649
 650         /* Allocate memory for RSS info */
 651         if (hw->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) {
 652                 hw->rss_key = rte_zmalloc(NULL,
 653                                           hw->vf_res->rss_key_size, 0);
 654                 if (!hw->rss_key) {
 655                         PMD_INIT_LOG(ERR, "unable to allocate rss_key memory");
 656                         goto err_alloc;
 657                 }
 658                 hw->rss_lut = rte_zmalloc("rss_lut",
 659                                           hw->vf_res->rss_lut_size, 0);
 660                 if (!hw->rss_lut) {
 661                         PMD_INIT_LOG(ERR, "unable to allocate rss_lut memory");
 662                         goto err_rss;
 663                 }
 664         }
 665
 666         if (hw->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC) {
 667                 if (ice_dcf_get_supported_rxdid(hw) != 0) {
 668                         PMD_INIT_LOG(ERR, "failed to do get supported rxdid");
 669                         goto err_rss;
 670                 }
 671         }
 672
 673         hw->eth_dev = eth_dev;
 674         rte_intr_callback_register(&pci_dev->intr_handle,
 675                                    ice_dcf_dev_interrupt_handler, hw);
 676         rte_intr_enable(&pci_dev->intr_handle);
 677         ice_dcf_enable_irq0(hw);
 678
 679         return 0;
 680
 681 err_rss:
 682         rte_free(hw->rss_key);
 683         rte_free(hw->rss_lut);
 684 err_alloc:
 685         rte_free(hw->vf_res);
 686 err_api:
 687         iavf_shutdown_adminq(&hw->avf);
 688 err:
 689         rte_free(hw->arq_buf);
 690
 691         return -1;
 692 }
 693
 694 void
 695 ice_dcf_uninit_hw(struct rte_eth_dev *eth_dev, struct ice_dcf_hw *hw)
 696 {
 697         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
 698         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
 699
 700         ice_dcf_disable_irq0(hw);
 701         rte_intr_disable(intr_handle);
 702         rte_intr_callback_unregister(intr_handle,
 703                                      ice_dcf_dev_interrupt_handler, hw);
 704
 705         ice_dcf_mode_disable(hw);
 706         iavf_shutdown_adminq(&hw->avf);
 707
 708         rte_free(hw->arq_buf);
 709         rte_free(hw->vf_vsi_map);
 710         rte_free(hw->vf_res);
 711         rte_free(hw->rss_lut);
 712         rte_free(hw->rss_key);
 713 }
 714
 715 static int
 716 ice_dcf_configure_rss_key(struct ice_dcf_hw *hw)
 717 {
 718         struct virtchnl_rss_key *rss_key;
 719         struct dcf_virtchnl_cmd args;
 720         int len, err;
 721
 722         len = sizeof(*rss_key) + hw->vf_res->rss_key_size - 1;
 723         rss_key = rte_zmalloc("rss_key", len, 0);
 724         if (!rss_key)
 725                 return -ENOMEM;
 726
 727         rss_key->vsi_id = hw->vsi_res->vsi_id;
 728         rss_key->key_len = hw->vf_res->rss_key_size;
 729         rte_memcpy(rss_key->key, hw->rss_key, hw->vf_res->rss_key_size);
 730
 731         args.v_op = VIRTCHNL_OP_CONFIG_RSS_KEY;
 732         args.req_msglen = len;
 733         args.req_msg = (uint8_t *)rss_key;
 734         args.rsp_msglen = 0;
 735         args.rsp_buflen = 0;
 736         args.rsp_msgbuf = NULL;
 737         args.pending = 0;
 738
 739         err = ice_dcf_execute_virtchnl_cmd(hw, &args);
 740         if (err)
 741                 PMD_INIT_LOG(ERR, "Failed to execute OP_CONFIG_RSS_KEY");
 742
 743         rte_free(rss_key);
 744         return err;
 745 }
 746
 747 static int
 748 ice_dcf_configure_rss_lut(struct ice_dcf_hw *hw)
 749 {
 750         struct virtchnl_rss_lut *rss_lut;
 751         struct dcf_virtchnl_cmd args;
 752         int len, err;
 753
 754         len = sizeof(*rss_lut) + hw->vf_res->rss_lut_size - 1;
 755         rss_lut = rte_zmalloc("rss_lut", len, 0);
 756         if (!rss_lut)
 757                 return -ENOMEM;
 758
 759         rss_lut->vsi_id = hw->vsi_res->vsi_id;
 760         rss_lut->lut_entries = hw->vf_res->rss_lut_size;
 761         rte_memcpy(rss_lut->lut, hw->rss_lut, hw->vf_res->rss_lut_size);
 762
 763         args.v_op = VIRTCHNL_OP_CONFIG_RSS_LUT;
 764         args.req_msglen = len;
 765         args.req_msg = (uint8_t *)rss_lut;
 766         args.rsp_msglen = 0;
 767         args.rsp_buflen = 0;
 768         args.rsp_msgbuf = NULL;
 769         args.pending = 0;
 770
 771         err = ice_dcf_execute_virtchnl_cmd(hw, &args);
 772         if (err)
 773                 PMD_INIT_LOG(ERR, "Failed to execute OP_CONFIG_RSS_LUT");
 774
 775         rte_free(rss_lut);
 776         return err;
 777 }
 778
 779 int
 780 ice_dcf_init_rss(struct ice_dcf_hw *hw)
 781 {
 782         struct rte_eth_dev *dev = hw->eth_dev;
 783         struct rte_eth_rss_conf *rss_conf;
 784         uint8_t i, j, nb_q;
 785         int ret;
 786
 787         rss_conf = &dev->data->dev_conf.rx_adv_conf.rss_conf;
 788         nb_q = dev->data->nb_rx_queues;
 789
 790         if (!(hw->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF)) {
 791                 PMD_DRV_LOG(DEBUG, "RSS is not supported");
 792                 return -ENOTSUP;
 793         }
 794         if (dev->data->dev_conf.rxmode.mq_mode != ETH_MQ_RX_RSS) {
 795                 PMD_DRV_LOG(WARNING, "RSS is enabled by PF by default");
 796                 /* set all lut items to default queue */
 797                 memset(hw->rss_lut, 0, hw->vf_res->rss_lut_size);
 798                 return ice_dcf_configure_rss_lut(hw);
 799         }
 800
 801         /* In IAVF, RSS enablement is set by PF driver. It is not supported
 802          * to set based on rss_conf->rss_hf.
 803          */
 804
 805         /* configure RSS key */
 806         if (!rss_conf->rss_key)
 807                 /* Calculate the default hash key */
 808                 for (i = 0; i < hw->vf_res->rss_key_size; i++)
 809                         hw->rss_key[i] = (uint8_t)rte_rand();
 810         else
 811                 rte_memcpy(hw->rss_key, rss_conf->rss_key,
 812                            RTE_MIN(rss_conf->rss_key_len,
 813                                    hw->vf_res->rss_key_size));
 814
 815         /* init RSS LUT table */
 816         for (i = 0, j = 0; i < hw->vf_res->rss_lut_size; i++, j++) {
 817                 if (j >= nb_q)
 818                         j = 0;
 819                 hw->rss_lut[i] = j;
 820         }
 821         /* send virtchnnl ops to configure rss*/
 822         ret = ice_dcf_configure_rss_lut(hw);
 823         if (ret)
 824                 return ret;
 825         ret = ice_dcf_configure_rss_key(hw);
 826         if (ret)
 827                 return ret;
 828
 829         return 0;
 830 }
 831
 832 #define IAVF_RXDID_LEGACY_0 0
 833 #define IAVF_RXDID_LEGACY_1 1
 834 #define IAVF_RXDID_COMMS_GENERIC 16
 835
 836 int
 837 ice_dcf_configure_queues(struct ice_dcf_hw *hw)
 838 {
 839         struct ice_rx_queue **rxq =
 840                 (struct ice_rx_queue **)hw->eth_dev->data->rx_queues;
 841         struct ice_tx_queue **txq =
 842                 (struct ice_tx_queue **)hw->eth_dev->data->tx_queues;
 843         struct virtchnl_vsi_queue_config_info *vc_config;
 844         struct virtchnl_queue_pair_info *vc_qp;
 845         struct dcf_virtchnl_cmd args;
 846         uint16_t i, size;
 847         int err;
 848
 849         size = sizeof(*vc_config) +
 850                sizeof(vc_config->qpair[0]) * hw->num_queue_pairs;
 851         vc_config = rte_zmalloc("cfg_queue", size, 0);
 852         if (!vc_config)
 853                 return -ENOMEM;
 854
 855         vc_config->vsi_id = hw->vsi_res->vsi_id;
 856         vc_config->num_queue_pairs = hw->num_queue_pairs;
 857
 858         for (i = 0, vc_qp = vc_config->qpair;
 859              i < hw->num_queue_pairs;
 860              i++, vc_qp++) {
 861                 vc_qp->txq.vsi_id = hw->vsi_res->vsi_id;
 862                 vc_qp->txq.queue_id = i;
 863                 if (i < hw->eth_dev->data->nb_tx_queues) {
 864                         vc_qp->txq.ring_len = txq[i]->nb_tx_desc;
 865                         vc_qp->txq.dma_ring_addr = txq[i]->tx_ring_dma;
 866                 }
 867                 vc_qp->rxq.vsi_id = hw->vsi_res->vsi_id;
 868                 vc_qp->rxq.queue_id = i;
 869                 vc_qp->rxq.max_pkt_size = rxq[i]->max_pkt_len;
 870
 871                 if (i >= hw->eth_dev->data->nb_rx_queues)
 872                         continue;
 873
 874                 vc_qp->rxq.ring_len = rxq[i]->nb_rx_desc;
 875                 vc_qp->rxq.dma_ring_addr = rxq[i]->rx_ring_dma;
 876                 vc_qp->rxq.databuffer_size = rxq[i]->rx_buf_len;
 877
 878 #ifndef RTE_LIBRTE_ICE_16BYTE_RX_DESC
 879                 if (hw->vf_res->vf_cap_flags &
 880                     VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC &&
 881                     hw->supported_rxdid &
 882                     BIT(IAVF_RXDID_COMMS_GENERIC)) {
 883                         vc_qp->rxq.rxdid = IAVF_RXDID_COMMS_GENERIC;
 884                         PMD_DRV_LOG(NOTICE, "request RXDID == %d in "
 885                                     "Queue[%d]", vc_qp->rxq.rxdid, i);
 886                 } else {
 887                         PMD_DRV_LOG(ERR, "RXDID 16 is not supported");
 888                         return -EINVAL;
 889                 }
 890 #else
 891                 if (hw->vf_res->vf_cap_flags &
 892                         VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC &&
 893                         hw->supported_rxdid &
 894                         BIT(IAVF_RXDID_LEGACY_0)) {
 895                         vc_qp->rxq.rxdid = IAVF_RXDID_LEGACY_0;
 896                         PMD_DRV_LOG(NOTICE, "request RXDID == %d in "
 897                                         "Queue[%d]", vc_qp->rxq.rxdid, i);
 898                 } else {
 899                         PMD_DRV_LOG(ERR, "RXDID == 0 is not supported");
 900                         return -EINVAL;
 901                 }
 902 #endif
 903                 ice_select_rxd_to_pkt_fields_handler(rxq[i], vc_qp->rxq.rxdid);
 904         }
 905
 906         memset(&args, 0, sizeof(args));
 907         args.v_op = VIRTCHNL_OP_CONFIG_VSI_QUEUES;
 908         args.req_msg = (uint8_t *)vc_config;
 909         args.req_msglen = size;
 910
 911         err = ice_dcf_execute_virtchnl_cmd(hw, &args);
 912         if (err)
 913                 PMD_DRV_LOG(ERR, "Failed to execute command of"
 914                             " VIRTCHNL_OP_CONFIG_VSI_QUEUES");
 915
 916         rte_free(vc_config);
 917         return err;
 918 }
 919
 920 int
 921 ice_dcf_config_irq_map(struct ice_dcf_hw *hw)
 922 {
 923         struct virtchnl_irq_map_info *map_info;
 924         struct virtchnl_vector_map *vecmap;
 925         struct dcf_virtchnl_cmd args;
 926         int len, i, err;
 927
 928         len = sizeof(struct virtchnl_irq_map_info) +
 929               sizeof(struct virtchnl_vector_map) * hw->nb_msix;
 930
 931         map_info = rte_zmalloc("map_info", len, 0);
 932         if (!map_info)
 933                 return -ENOMEM;
 934
 935         map_info->num_vectors = hw->nb_msix;
 936         for (i = 0; i < hw->nb_msix; i++) {
 937                 vecmap = &map_info->vecmap[i];
 938                 vecmap->vsi_id = hw->vsi_res->vsi_id;
 939                 vecmap->rxitr_idx = 0;
 940                 vecmap->vector_id = hw->msix_base + i;
 941                 vecmap->txq_map = 0;
 942                 vecmap->rxq_map = hw->rxq_map[hw->msix_base + i];
 943         }
 944
 945         memset(&args, 0, sizeof(args));
 946         args.v_op = VIRTCHNL_OP_CONFIG_IRQ_MAP;
 947         args.req_msg = (u8 *)map_info;
 948         args.req_msglen = len;
 949
 950         err = ice_dcf_execute_virtchnl_cmd(hw, &args);
 951         if (err)
 952                 PMD_DRV_LOG(ERR, "fail to execute command OP_CONFIG_IRQ_MAP");
 953
 954         rte_free(map_info);
 955         return err;
 956 }
 957
 958 int
 959 ice_dcf_switch_queue(struct ice_dcf_hw *hw, uint16_t qid, bool rx, bool on)
 960 {
 961         struct virtchnl_queue_select queue_select;
 962         struct dcf_virtchnl_cmd args;
 963         int err;
 964
 965         memset(&queue_select, 0, sizeof(queue_select));
 966         queue_select.vsi_id = hw->vsi_res->vsi_id;
 967         if (rx)
 968                 queue_select.rx_queues |= 1 << qid;
 969         else
 970                 queue_select.tx_queues |= 1 << qid;
 971
 972         memset(&args, 0, sizeof(args));
 973         if (on)
 974                 args.v_op = VIRTCHNL_OP_ENABLE_QUEUES;
 975         else
 976                 args.v_op = VIRTCHNL_OP_DISABLE_QUEUES;
 977
 978         args.req_msg = (u8 *)&queue_select;
 979         args.req_msglen = sizeof(queue_select);
 980
 981         err = ice_dcf_execute_virtchnl_cmd(hw, &args);
 982         if (err)
 983                 PMD_DRV_LOG(ERR, "Failed to execute command of %s",
 984                             on ? "OP_ENABLE_QUEUES" : "OP_DISABLE_QUEUES");
 985
 986         return err;
 987 }
 988
 989 int
 990 ice_dcf_disable_queues(struct ice_dcf_hw *hw)
 991 {
 992         struct virtchnl_queue_select queue_select;
 993         struct dcf_virtchnl_cmd args;
 994         int err;
 995
 996         memset(&queue_select, 0, sizeof(queue_select));
 997         queue_select.vsi_id = hw->vsi_res->vsi_id;
 998
 999         queue_select.rx_queues = BIT(hw->eth_dev->data->nb_rx_queues) - 1;
1000         queue_select.tx_queues = BIT(hw->eth_dev->data->nb_tx_queues) - 1;
1001
1002         memset(&args, 0, sizeof(args));
1003         args.v_op = VIRTCHNL_OP_DISABLE_QUEUES;
1004         args.req_msg = (u8 *)&queue_select;
1005         args.req_msglen = sizeof(queue_select);
1006
1007         err = ice_dcf_execute_virtchnl_cmd(hw, &args);
1008         if (err)
1009                 PMD_DRV_LOG(ERR,
1010                             "Failed to execute command of OP_DISABLE_QUEUES");
1011
1012         return err;
1013 }
1014
1015 int
1016 ice_dcf_query_stats(struct ice_dcf_hw *hw,
1017                                    struct virtchnl_eth_stats *pstats)
1018 {
1019         struct virtchnl_queue_select q_stats;
1020         struct dcf_virtchnl_cmd args;
1021         int err;
1022
1023         memset(&q_stats, 0, sizeof(q_stats));
1024         q_stats.vsi_id = hw->vsi_res->vsi_id;
1025
1026         args.v_op = VIRTCHNL_OP_GET_STATS;
1027         args.req_msg = (uint8_t *)&q_stats;
1028         args.req_msglen = sizeof(q_stats);
1029         args.rsp_msglen = sizeof(*pstats);
1030         args.rsp_msgbuf = (uint8_t *)pstats;
1031         args.rsp_buflen = sizeof(*pstats);
1032
1033         err = ice_dcf_execute_virtchnl_cmd(hw, &args);
1034         if (err) {
1035                 PMD_DRV_LOG(ERR, "fail to execute command OP_GET_STATS");
1036                 return err;
1037         }
1038
1039         return 0;
1040 }
1041
1042 int
1043 ice_dcf_add_del_all_mac_addr(struct ice_dcf_hw *hw, bool add)
1044 {
1045         struct virtchnl_ether_addr_list *list;
1046         struct rte_ether_addr *addr;
1047         struct dcf_virtchnl_cmd args;
1048         int len, err = 0;
1049
1050         len = sizeof(struct virtchnl_ether_addr_list);
1051         addr = hw->eth_dev->data->mac_addrs;
1052         len += sizeof(struct virtchnl_ether_addr);
1053
1054         list = rte_zmalloc(NULL, len, 0);
1055         if (!list) {
1056                 PMD_DRV_LOG(ERR, "fail to allocate memory");
1057                 return -ENOMEM;
1058         }
1059
1060         rte_memcpy(list->list[0].addr, addr->addr_bytes,
1061                         sizeof(addr->addr_bytes));
1062         PMD_DRV_LOG(DEBUG, "add/rm mac:%x:%x:%x:%x:%x:%x",
1063                             addr->addr_bytes[0], addr->addr_bytes[1],
1064                             addr->addr_bytes[2], addr->addr_bytes[3],
1065                             addr->addr_bytes[4], addr->addr_bytes[5]);
1066
1067         list->vsi_id = hw->vsi_res->vsi_id;
1068         list->num_elements = 1;
1069
1070         memset(&args, 0, sizeof(args));
1071         args.v_op = add ? VIRTCHNL_OP_ADD_ETH_ADDR :
1072                         VIRTCHNL_OP_DEL_ETH_ADDR;
1073         args.req_msg = (uint8_t *)list;
1074         args.req_msglen  = len;
1075         err = ice_dcf_execute_virtchnl_cmd(hw, &args);
1076         if (err)
1077                 PMD_DRV_LOG(ERR, "fail to execute command %s",
1078                             add ? "OP_ADD_ETHER_ADDRESS" :
1079                             "OP_DEL_ETHER_ADDRESS");
1080         rte_free(list);
1081         return err;
1082 }