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 <ethdev_driver.h>
  21 #include <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                VIRTCHNL_VF_OFFLOAD_QOS;
 240
 241         err = ice_dcf_send_cmd_req_no_irq(hw, VIRTCHNL_OP_GET_VF_RESOURCES,
 242                                           (uint8_t *)&caps, sizeof(caps));
 243         if (err) {
 244                 PMD_DRV_LOG(ERR, "Failed to send msg OP_GET_VF_RESOURCE");
 245                 return err;
 246         }
 247
 248         err = ice_dcf_recv_cmd_rsp_no_irq(hw, VIRTCHNL_OP_GET_VF_RESOURCES,
 249                                           (uint8_t *)hw->vf_res,
 250                                           ICE_DCF_VF_RES_BUF_SZ, NULL);
 251         if (err) {
 252                 PMD_DRV_LOG(ERR, "Failed to get response of OP_GET_VF_RESOURCE");
 253                 return -1;
 254         }
 255
 256         iavf_vf_parse_hw_config(&hw->avf, hw->vf_res);
 257
 258         hw->vsi_res = NULL;
 259         for (i = 0; i < hw->vf_res->num_vsis; i++) {
 260                 if (hw->vf_res->vsi_res[i].vsi_type == VIRTCHNL_VSI_SRIOV)
 261                         hw->vsi_res = &hw->vf_res->vsi_res[i];
 262         }
 263
 264         if (!hw->vsi_res) {
 265                 PMD_DRV_LOG(ERR, "no LAN VSI found");
 266                 return -1;
 267         }
 268
 269         hw->vsi_id = hw->vsi_res->vsi_id;
 270         PMD_DRV_LOG(DEBUG, "VSI ID is %u", hw->vsi_id);
 271
 272         return 0;
 273 }
 274
 275 static int
 276 ice_dcf_get_vf_vsi_map(struct ice_dcf_hw *hw)
 277 {
 278         struct virtchnl_dcf_vsi_map *vsi_map;
 279         uint32_t valid_msg_len;
 280         uint16_t len;
 281         int err;
 282
 283         err = ice_dcf_send_cmd_req_no_irq(hw, VIRTCHNL_OP_DCF_GET_VSI_MAP,
 284                                           NULL, 0);
 285         if (err) {
 286                 PMD_DRV_LOG(ERR, "Failed to send msg OP_DCF_GET_VSI_MAP");
 287                 return err;
 288         }
 289
 290         err = ice_dcf_recv_cmd_rsp_no_irq(hw, VIRTCHNL_OP_DCF_GET_VSI_MAP,
 291                                           hw->arq_buf, ICE_DCF_AQ_BUF_SZ,
 292                                           &len);
 293         if (err) {
 294                 PMD_DRV_LOG(ERR, "Failed to get response of OP_DCF_GET_VSI_MAP");
 295                 return err;
 296         }
 297
 298         vsi_map = (struct virtchnl_dcf_vsi_map *)hw->arq_buf;
 299         valid_msg_len = (vsi_map->num_vfs - 1) * sizeof(vsi_map->vf_vsi[0]) +
 300                         sizeof(*vsi_map);
 301         if (len != valid_msg_len) {
 302                 PMD_DRV_LOG(ERR, "invalid vf vsi map response with length %u",
 303                             len);
 304                 return -EINVAL;
 305         }
 306
 307         if (hw->num_vfs != 0 && hw->num_vfs != vsi_map->num_vfs) {
 308                 PMD_DRV_LOG(ERR, "The number VSI map (%u) doesn't match the number of VFs (%u)",
 309                             vsi_map->num_vfs, hw->num_vfs);
 310                 return -EINVAL;
 311         }
 312
 313         len = vsi_map->num_vfs * sizeof(vsi_map->vf_vsi[0]);
 314
 315         if (!hw->vf_vsi_map) {
 316                 hw->vf_vsi_map = rte_zmalloc("vf_vsi_ctx", len, 0);
 317                 if (!hw->vf_vsi_map) {
 318                         PMD_DRV_LOG(ERR, "Failed to alloc memory for VSI context");
 319                         return -ENOMEM;
 320                 }
 321
 322                 hw->num_vfs = vsi_map->num_vfs;
 323                 hw->pf_vsi_id = vsi_map->pf_vsi;
 324         }
 325
 326         if (!memcmp(hw->vf_vsi_map, vsi_map->vf_vsi, len)) {
 327                 PMD_DRV_LOG(DEBUG, "VF VSI map doesn't change");
 328                 return 1;
 329         }
 330
 331         rte_memcpy(hw->vf_vsi_map, vsi_map->vf_vsi, len);
 332         return 0;
 333 }
 334
 335 static int
 336 ice_dcf_mode_disable(struct ice_dcf_hw *hw)
 337 {
 338         int err;
 339
 340         err = ice_dcf_send_cmd_req_no_irq(hw, VIRTCHNL_OP_DCF_DISABLE,
 341                                           NULL, 0);
 342         if (err) {
 343                 PMD_DRV_LOG(ERR, "Failed to send msg OP_DCF_DISABLE");
 344                 return err;
 345         }
 346
 347         err = ice_dcf_recv_cmd_rsp_no_irq(hw, VIRTCHNL_OP_DCF_DISABLE,
 348                                           hw->arq_buf, ICE_DCF_AQ_BUF_SZ, NULL);
 349         if (err) {
 350                 PMD_DRV_LOG(ERR,
 351                             "Failed to get response of OP_DCF_DISABLE %d",
 352                             err);
 353                 return -1;
 354         }
 355
 356         return 0;
 357 }
 358
 359 static int
 360 ice_dcf_check_reset_done(struct ice_dcf_hw *hw)
 361 {
 362 #define ICE_DCF_RESET_WAIT_CNT       50
 363         struct iavf_hw *avf = &hw->avf;
 364         int i, reset;
 365
 366         for (i = 0; i < ICE_DCF_RESET_WAIT_CNT; i++) {
 367                 reset = IAVF_READ_REG(avf, IAVF_VFGEN_RSTAT) &
 368                                         IAVF_VFGEN_RSTAT_VFR_STATE_MASK;
 369                 reset = reset >> IAVF_VFGEN_RSTAT_VFR_STATE_SHIFT;
 370
 371                 if (reset == VIRTCHNL_VFR_VFACTIVE ||
 372                     reset == VIRTCHNL_VFR_COMPLETED)
 373                         break;
 374
 375                 rte_delay_ms(20);
 376         }
 377
 378         if (i >= ICE_DCF_RESET_WAIT_CNT)
 379                 return -1;
 380
 381         return 0;
 382 }
 383
 384 static inline void
 385 ice_dcf_enable_irq0(struct ice_dcf_hw *hw)
 386 {
 387         struct iavf_hw *avf = &hw->avf;
 388
 389         /* Enable admin queue interrupt trigger */
 390         IAVF_WRITE_REG(avf, IAVF_VFINT_ICR0_ENA1,
 391                        IAVF_VFINT_ICR0_ENA1_ADMINQ_MASK);
 392         IAVF_WRITE_REG(avf, IAVF_VFINT_DYN_CTL01,
 393                        IAVF_VFINT_DYN_CTL01_INTENA_MASK |
 394                        IAVF_VFINT_DYN_CTL01_CLEARPBA_MASK |
 395                        IAVF_VFINT_DYN_CTL01_ITR_INDX_MASK);
 396
 397         IAVF_WRITE_FLUSH(avf);
 398 }
 399
 400 static inline void
 401 ice_dcf_disable_irq0(struct ice_dcf_hw *hw)
 402 {
 403         struct iavf_hw *avf = &hw->avf;
 404
 405         /* Disable all interrupt types */
 406         IAVF_WRITE_REG(avf, IAVF_VFINT_ICR0_ENA1, 0);
 407         IAVF_WRITE_REG(avf, IAVF_VFINT_DYN_CTL01,
 408                        IAVF_VFINT_DYN_CTL01_ITR_INDX_MASK);
 409
 410         IAVF_WRITE_FLUSH(avf);
 411 }
 412
 413 static void
 414 ice_dcf_dev_interrupt_handler(void *param)
 415 {
 416         struct ice_dcf_hw *hw = param;
 417
 418         ice_dcf_disable_irq0(hw);
 419
 420         ice_dcf_handle_virtchnl_msg(hw);
 421
 422         ice_dcf_enable_irq0(hw);
 423 }
 424
 425 int
 426 ice_dcf_execute_virtchnl_cmd(struct ice_dcf_hw *hw,
 427                              struct dcf_virtchnl_cmd *cmd)
 428 {
 429         int i = 0;
 430         int err;
 431
 432         if ((cmd->req_msg && !cmd->req_msglen) ||
 433             (!cmd->req_msg && cmd->req_msglen) ||
 434             (cmd->rsp_msgbuf && !cmd->rsp_buflen) ||
 435             (!cmd->rsp_msgbuf && cmd->rsp_buflen))
 436                 return -EINVAL;
 437
 438         rte_spinlock_lock(&hw->vc_cmd_send_lock);
 439         ice_dcf_vc_cmd_set(hw, cmd);
 440
 441         err = ice_dcf_vc_cmd_send(hw, cmd);
 442         if (err) {
 443                 PMD_DRV_LOG(ERR, "fail to send cmd %d", cmd->v_op);
 444                 goto ret;
 445         }
 446
 447         do {
 448                 if (!cmd->pending)
 449                         break;
 450
 451                 rte_delay_ms(ICE_DCF_ARQ_CHECK_TIME);
 452         } while (i++ < ICE_DCF_ARQ_MAX_RETRIES);
 453
 454         if (cmd->v_ret != IAVF_SUCCESS) {
 455                 err = -1;
 456                 PMD_DRV_LOG(ERR,
 457                             "No response (%d times) or return failure (%d) for cmd %d",
 458                             i, cmd->v_ret, cmd->v_op);
 459         }
 460
 461 ret:
 462         ice_dcf_aq_cmd_clear(hw, cmd);
 463         rte_spinlock_unlock(&hw->vc_cmd_send_lock);
 464         return err;
 465 }
 466
 467 int
 468 ice_dcf_send_aq_cmd(void *dcf_hw, struct ice_aq_desc *desc,
 469                     void *buf, uint16_t buf_size)
 470 {
 471         struct dcf_virtchnl_cmd desc_cmd, buff_cmd;
 472         struct ice_dcf_hw *hw = dcf_hw;
 473         int err = 0;
 474         int i = 0;
 475
 476         if ((buf && !buf_size) || (!buf && buf_size) ||
 477             buf_size > ICE_DCF_AQ_BUF_SZ)
 478                 return -EINVAL;
 479
 480         desc_cmd.v_op = VIRTCHNL_OP_DCF_CMD_DESC;
 481         desc_cmd.req_msglen = sizeof(*desc);
 482         desc_cmd.req_msg = (uint8_t *)desc;
 483         desc_cmd.rsp_buflen = sizeof(*desc);
 484         desc_cmd.rsp_msgbuf = (uint8_t *)desc;
 485
 486         if (buf == NULL)
 487                 return ice_dcf_execute_virtchnl_cmd(hw, &desc_cmd);
 488
 489         desc->flags |= rte_cpu_to_le_16(ICE_AQ_FLAG_BUF);
 490
 491         buff_cmd.v_op = VIRTCHNL_OP_DCF_CMD_BUFF;
 492         buff_cmd.req_msglen = buf_size;
 493         buff_cmd.req_msg = buf;
 494         buff_cmd.rsp_buflen = buf_size;
 495         buff_cmd.rsp_msgbuf = buf;
 496
 497         rte_spinlock_lock(&hw->vc_cmd_send_lock);
 498         ice_dcf_vc_cmd_set(hw, &desc_cmd);
 499         ice_dcf_vc_cmd_set(hw, &buff_cmd);
 500
 501         if (ice_dcf_vc_cmd_send(hw, &desc_cmd) ||
 502             ice_dcf_vc_cmd_send(hw, &buff_cmd)) {
 503                 err = -1;
 504                 PMD_DRV_LOG(ERR, "fail to send OP_DCF_CMD_DESC/BUFF");
 505                 goto ret;
 506         }
 507
 508         do {
 509                 if (!desc_cmd.pending && !buff_cmd.pending)
 510                         break;
 511
 512                 rte_delay_ms(ICE_DCF_ARQ_CHECK_TIME);
 513         } while (i++ < ICE_DCF_ARQ_MAX_RETRIES);
 514
 515         if (desc_cmd.v_ret != IAVF_SUCCESS || buff_cmd.v_ret != IAVF_SUCCESS) {
 516                 err = -1;
 517                 PMD_DRV_LOG(ERR,
 518                             "No response (%d times) or return failure (desc: %d / buff: %d)",
 519                             i, desc_cmd.v_ret, buff_cmd.v_ret);
 520         }
 521
 522 ret:
 523         ice_dcf_aq_cmd_clear(hw, &desc_cmd);
 524         ice_dcf_aq_cmd_clear(hw, &buff_cmd);
 525         rte_spinlock_unlock(&hw->vc_cmd_send_lock);
 526
 527         return err;
 528 }
 529
 530 int
 531 ice_dcf_handle_vsi_update_event(struct ice_dcf_hw *hw)
 532 {
 533         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(hw->eth_dev);
 534         int err = 0;
 535
 536         rte_spinlock_lock(&hw->vc_cmd_send_lock);
 537
 538         rte_intr_disable(&pci_dev->intr_handle);
 539         ice_dcf_disable_irq0(hw);
 540
 541         if (ice_dcf_get_vf_resource(hw) || ice_dcf_get_vf_vsi_map(hw) < 0)
 542                 err = -1;
 543
 544         rte_intr_enable(&pci_dev->intr_handle);
 545         ice_dcf_enable_irq0(hw);
 546
 547         rte_spinlock_unlock(&hw->vc_cmd_send_lock);
 548
 549         return err;
 550 }
 551
 552 static int
 553 ice_dcf_get_supported_rxdid(struct ice_dcf_hw *hw)
 554 {
 555         int err;
 556
 557         err = ice_dcf_send_cmd_req_no_irq(hw,
 558                                           VIRTCHNL_OP_GET_SUPPORTED_RXDIDS,
 559                                           NULL, 0);
 560         if (err) {
 561                 PMD_INIT_LOG(ERR, "Failed to send OP_GET_SUPPORTED_RXDIDS");
 562                 return -1;
 563         }
 564
 565         err = ice_dcf_recv_cmd_rsp_no_irq(hw, VIRTCHNL_OP_GET_SUPPORTED_RXDIDS,
 566                                           (uint8_t *)&hw->supported_rxdid,
 567                                           sizeof(uint64_t), NULL);
 568         if (err) {
 569                 PMD_INIT_LOG(ERR, "Failed to get response of OP_GET_SUPPORTED_RXDIDS");
 570                 return -1;
 571         }
 572
 573         return 0;
 574 }
 575
 576 int
 577 ice_dcf_init_hw(struct rte_eth_dev *eth_dev, struct ice_dcf_hw *hw)
 578 {
 579         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
 580         int ret;
 581
 582         hw->avf.hw_addr = pci_dev->mem_resource[0].addr;
 583         hw->avf.back = hw;
 584
 585         hw->avf.bus.bus_id = pci_dev->addr.bus;
 586         hw->avf.bus.device = pci_dev->addr.devid;
 587         hw->avf.bus.func = pci_dev->addr.function;
 588
 589         hw->avf.device_id = pci_dev->id.device_id;
 590         hw->avf.vendor_id = pci_dev->id.vendor_id;
 591         hw->avf.subsystem_device_id = pci_dev->id.subsystem_device_id;
 592         hw->avf.subsystem_vendor_id = pci_dev->id.subsystem_vendor_id;
 593
 594         hw->avf.aq.num_arq_entries = ICE_DCF_AQ_LEN;
 595         hw->avf.aq.num_asq_entries = ICE_DCF_AQ_LEN;
 596         hw->avf.aq.arq_buf_size = ICE_DCF_AQ_BUF_SZ;
 597         hw->avf.aq.asq_buf_size = ICE_DCF_AQ_BUF_SZ;
 598
 599         rte_spinlock_init(&hw->vc_cmd_send_lock);
 600         rte_spinlock_init(&hw->vc_cmd_queue_lock);
 601         TAILQ_INIT(&hw->vc_cmd_queue);
 602
 603         hw->arq_buf = rte_zmalloc("arq_buf", ICE_DCF_AQ_BUF_SZ, 0);
 604         if (hw->arq_buf == NULL) {
 605                 PMD_INIT_LOG(ERR, "unable to allocate AdminQ buffer memory");
 606                 goto err;
 607         }
 608
 609         ret = iavf_set_mac_type(&hw->avf);
 610         if (ret) {
 611                 PMD_INIT_LOG(ERR, "set_mac_type failed: %d", ret);
 612                 goto err;
 613         }
 614
 615         ret = ice_dcf_check_reset_done(hw);
 616         if (ret) {
 617                 PMD_INIT_LOG(ERR, "VF is still resetting");
 618                 goto err;
 619         }
 620
 621         ret = iavf_init_adminq(&hw->avf);
 622         if (ret) {
 623                 PMD_INIT_LOG(ERR, "init_adminq failed: %d", ret);
 624                 goto err;
 625         }
 626
 627         if (ice_dcf_init_check_api_version(hw)) {
 628                 PMD_INIT_LOG(ERR, "check_api version failed");
 629                 goto err_api;
 630         }
 631
 632         hw->vf_res = rte_zmalloc("vf_res", ICE_DCF_VF_RES_BUF_SZ, 0);
 633         if (hw->vf_res == NULL) {
 634                 PMD_INIT_LOG(ERR, "unable to allocate vf_res memory");
 635                 goto err_api;
 636         }
 637
 638         if (ice_dcf_get_vf_resource(hw)) {
 639                 PMD_INIT_LOG(ERR, "Failed to get VF resource");
 640                 goto err_alloc;
 641         }
 642
 643         if (ice_dcf_get_vf_vsi_map(hw) < 0) {
 644                 PMD_INIT_LOG(ERR, "Failed to get VF VSI map");
 645                 ice_dcf_mode_disable(hw);
 646                 goto err_alloc;
 647         }
 648
 649         /* Allocate memory for RSS info */
 650         if (hw->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) {
 651                 hw->rss_key = rte_zmalloc(NULL,
 652                                           hw->vf_res->rss_key_size, 0);
 653                 if (!hw->rss_key) {
 654                         PMD_INIT_LOG(ERR, "unable to allocate rss_key memory");
 655                         goto err_alloc;
 656                 }
 657                 hw->rss_lut = rte_zmalloc("rss_lut",
 658                                           hw->vf_res->rss_lut_size, 0);
 659                 if (!hw->rss_lut) {
 660                         PMD_INIT_LOG(ERR, "unable to allocate rss_lut memory");
 661                         goto err_rss;
 662                 }
 663         }
 664
 665         if (hw->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC) {
 666                 if (ice_dcf_get_supported_rxdid(hw) != 0) {
 667                         PMD_INIT_LOG(ERR, "failed to do get supported rxdid");
 668                         goto err_rss;
 669                 }
 670         }
 671
 672         if (hw->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_QOS)
 673                 ice_dcf_tm_conf_init(eth_dev);
 674
 675         hw->eth_dev = eth_dev;
 676         rte_intr_callback_register(&pci_dev->intr_handle,
 677                                    ice_dcf_dev_interrupt_handler, hw);
 678         rte_intr_enable(&pci_dev->intr_handle);
 679         ice_dcf_enable_irq0(hw);
 680
 681         return 0;
 682
 683 err_rss:
 684         rte_free(hw->rss_key);
 685         rte_free(hw->rss_lut);
 686 err_alloc:
 687         rte_free(hw->vf_res);
 688 err_api:
 689         iavf_shutdown_adminq(&hw->avf);
 690 err:
 691         rte_free(hw->arq_buf);
 692
 693         return -1;
 694 }
 695
 696 void
 697 ice_dcf_uninit_hw(struct rte_eth_dev *eth_dev, struct ice_dcf_hw *hw)
 698 {
 699         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
 700         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
 701
 702         ice_dcf_disable_irq0(hw);
 703         rte_intr_disable(intr_handle);
 704         rte_intr_callback_unregister(intr_handle,
 705                                      ice_dcf_dev_interrupt_handler, hw);
 706
 707         ice_dcf_mode_disable(hw);
 708         iavf_shutdown_adminq(&hw->avf);
 709
 710         if (hw->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_QOS)
 711                 ice_dcf_tm_conf_uninit(eth_dev);
 712
 713         rte_free(hw->arq_buf);
 714         rte_free(hw->vf_vsi_map);
 715         rte_free(hw->vf_res);
 716         rte_free(hw->rss_lut);
 717         rte_free(hw->rss_key);
 718 }
 719
 720 static int
 721 ice_dcf_configure_rss_key(struct ice_dcf_hw *hw)
 722 {
 723         struct virtchnl_rss_key *rss_key;
 724         struct dcf_virtchnl_cmd args;
 725         int len, err;
 726
 727         len = sizeof(*rss_key) + hw->vf_res->rss_key_size - 1;
 728         rss_key = rte_zmalloc("rss_key", len, 0);
 729         if (!rss_key)
 730                 return -ENOMEM;
 731
 732         rss_key->vsi_id = hw->vsi_res->vsi_id;
 733         rss_key->key_len = hw->vf_res->rss_key_size;
 734         rte_memcpy(rss_key->key, hw->rss_key, hw->vf_res->rss_key_size);
 735
 736         args.v_op = VIRTCHNL_OP_CONFIG_RSS_KEY;
 737         args.req_msglen = len;
 738         args.req_msg = (uint8_t *)rss_key;
 739         args.rsp_msglen = 0;
 740         args.rsp_buflen = 0;
 741         args.rsp_msgbuf = NULL;
 742         args.pending = 0;
 743
 744         err = ice_dcf_execute_virtchnl_cmd(hw, &args);
 745         if (err)
 746                 PMD_INIT_LOG(ERR, "Failed to execute OP_CONFIG_RSS_KEY");
 747
 748         rte_free(rss_key);
 749         return err;
 750 }
 751
 752 static int
 753 ice_dcf_configure_rss_lut(struct ice_dcf_hw *hw)
 754 {
 755         struct virtchnl_rss_lut *rss_lut;
 756         struct dcf_virtchnl_cmd args;
 757         int len, err;
 758
 759         len = sizeof(*rss_lut) + hw->vf_res->rss_lut_size - 1;
 760         rss_lut = rte_zmalloc("rss_lut", len, 0);
 761         if (!rss_lut)
 762                 return -ENOMEM;
 763
 764         rss_lut->vsi_id = hw->vsi_res->vsi_id;
 765         rss_lut->lut_entries = hw->vf_res->rss_lut_size;
 766         rte_memcpy(rss_lut->lut, hw->rss_lut, hw->vf_res->rss_lut_size);
 767
 768         args.v_op = VIRTCHNL_OP_CONFIG_RSS_LUT;
 769         args.req_msglen = len;
 770         args.req_msg = (uint8_t *)rss_lut;
 771         args.rsp_msglen = 0;
 772         args.rsp_buflen = 0;
 773         args.rsp_msgbuf = NULL;
 774         args.pending = 0;
 775
 776         err = ice_dcf_execute_virtchnl_cmd(hw, &args);
 777         if (err)
 778                 PMD_INIT_LOG(ERR, "Failed to execute OP_CONFIG_RSS_LUT");
 779
 780         rte_free(rss_lut);
 781         return err;
 782 }
 783
 784 int
 785 ice_dcf_init_rss(struct ice_dcf_hw *hw)
 786 {
 787         struct rte_eth_dev *dev = hw->eth_dev;
 788         struct rte_eth_rss_conf *rss_conf;
 789         uint8_t i, j, nb_q;
 790         int ret;
 791
 792         rss_conf = &dev->data->dev_conf.rx_adv_conf.rss_conf;
 793         nb_q = dev->data->nb_rx_queues;
 794
 795         if (!(hw->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF)) {
 796                 PMD_DRV_LOG(DEBUG, "RSS is not supported");
 797                 return -ENOTSUP;
 798         }
 799         if (dev->data->dev_conf.rxmode.mq_mode != ETH_MQ_RX_RSS) {
 800                 PMD_DRV_LOG(WARNING, "RSS is enabled by PF by default");
 801                 /* set all lut items to default queue */
 802                 memset(hw->rss_lut, 0, hw->vf_res->rss_lut_size);
 803                 return ice_dcf_configure_rss_lut(hw);
 804         }
 805
 806         /* In IAVF, RSS enablement is set by PF driver. It is not supported
 807          * to set based on rss_conf->rss_hf.
 808          */
 809
 810         /* configure RSS key */
 811         if (!rss_conf->rss_key)
 812                 /* Calculate the default hash key */
 813                 for (i = 0; i < hw->vf_res->rss_key_size; i++)
 814                         hw->rss_key[i] = (uint8_t)rte_rand();
 815         else
 816                 rte_memcpy(hw->rss_key, rss_conf->rss_key,
 817                            RTE_MIN(rss_conf->rss_key_len,
 818                                    hw->vf_res->rss_key_size));
 819
 820         /* init RSS LUT table */
 821         for (i = 0, j = 0; i < hw->vf_res->rss_lut_size; i++, j++) {
 822                 if (j >= nb_q)
 823                         j = 0;
 824                 hw->rss_lut[i] = j;
 825         }
 826         /* send virtchnnl ops to configure rss*/
 827         ret = ice_dcf_configure_rss_lut(hw);
 828         if (ret)
 829                 return ret;
 830         ret = ice_dcf_configure_rss_key(hw);
 831         if (ret)
 832                 return ret;
 833
 834         return 0;
 835 }
 836
 837 #define IAVF_RXDID_LEGACY_0 0
 838 #define IAVF_RXDID_LEGACY_1 1
 839 #define IAVF_RXDID_COMMS_GENERIC 16
 840
 841 int
 842 ice_dcf_configure_queues(struct ice_dcf_hw *hw)
 843 {
 844         struct ice_rx_queue **rxq =
 845                 (struct ice_rx_queue **)hw->eth_dev->data->rx_queues;
 846         struct ice_tx_queue **txq =
 847                 (struct ice_tx_queue **)hw->eth_dev->data->tx_queues;
 848         struct virtchnl_vsi_queue_config_info *vc_config;
 849         struct virtchnl_queue_pair_info *vc_qp;
 850         struct dcf_virtchnl_cmd args;
 851         uint16_t i, size;
 852         int err;
 853
 854         size = sizeof(*vc_config) +
 855                sizeof(vc_config->qpair[0]) * hw->num_queue_pairs;
 856         vc_config = rte_zmalloc("cfg_queue", size, 0);
 857         if (!vc_config)
 858                 return -ENOMEM;
 859
 860         vc_config->vsi_id = hw->vsi_res->vsi_id;
 861         vc_config->num_queue_pairs = hw->num_queue_pairs;
 862
 863         for (i = 0, vc_qp = vc_config->qpair;
 864              i < hw->num_queue_pairs;
 865              i++, vc_qp++) {
 866                 vc_qp->txq.vsi_id = hw->vsi_res->vsi_id;
 867                 vc_qp->txq.queue_id = i;
 868                 if (i < hw->eth_dev->data->nb_tx_queues) {
 869                         vc_qp->txq.ring_len = txq[i]->nb_tx_desc;
 870                         vc_qp->txq.dma_ring_addr = txq[i]->tx_ring_dma;
 871                 }
 872                 vc_qp->rxq.vsi_id = hw->vsi_res->vsi_id;
 873                 vc_qp->rxq.queue_id = i;
 874                 vc_qp->rxq.max_pkt_size = rxq[i]->max_pkt_len;
 875
 876                 if (i >= hw->eth_dev->data->nb_rx_queues)
 877                         continue;
 878
 879                 vc_qp->rxq.ring_len = rxq[i]->nb_rx_desc;
 880                 vc_qp->rxq.dma_ring_addr = rxq[i]->rx_ring_dma;
 881                 vc_qp->rxq.databuffer_size = rxq[i]->rx_buf_len;
 882
 883 #ifndef RTE_LIBRTE_ICE_16BYTE_RX_DESC
 884                 if (hw->vf_res->vf_cap_flags &
 885                     VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC &&
 886                     hw->supported_rxdid &
 887                     BIT(IAVF_RXDID_COMMS_GENERIC)) {
 888                         vc_qp->rxq.rxdid = IAVF_RXDID_COMMS_GENERIC;
 889                         PMD_DRV_LOG(NOTICE, "request RXDID == %d in "
 890                                     "Queue[%d]", vc_qp->rxq.rxdid, i);
 891                 } else {
 892                         PMD_DRV_LOG(ERR, "RXDID 16 is not supported");
 893                         return -EINVAL;
 894                 }
 895 #else
 896                 if (hw->vf_res->vf_cap_flags &
 897                         VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC &&
 898                         hw->supported_rxdid &
 899                         BIT(IAVF_RXDID_LEGACY_0)) {
 900                         vc_qp->rxq.rxdid = IAVF_RXDID_LEGACY_0;
 901                         PMD_DRV_LOG(NOTICE, "request RXDID == %d in "
 902                                         "Queue[%d]", vc_qp->rxq.rxdid, i);
 903                 } else {
 904                         PMD_DRV_LOG(ERR, "RXDID == 0 is not supported");
 905                         return -EINVAL;
 906                 }
 907 #endif
 908                 ice_select_rxd_to_pkt_fields_handler(rxq[i], vc_qp->rxq.rxdid);
 909         }
 910
 911         memset(&args, 0, sizeof(args));
 912         args.v_op = VIRTCHNL_OP_CONFIG_VSI_QUEUES;
 913         args.req_msg = (uint8_t *)vc_config;
 914         args.req_msglen = size;
 915
 916         err = ice_dcf_execute_virtchnl_cmd(hw, &args);
 917         if (err)
 918                 PMD_DRV_LOG(ERR, "Failed to execute command of"
 919                             " VIRTCHNL_OP_CONFIG_VSI_QUEUES");
 920
 921         rte_free(vc_config);
 922         return err;
 923 }
 924
 925 int
 926 ice_dcf_config_irq_map(struct ice_dcf_hw *hw)
 927 {
 928         struct virtchnl_irq_map_info *map_info;
 929         struct virtchnl_vector_map *vecmap;
 930         struct dcf_virtchnl_cmd args;
 931         int len, i, err;
 932
 933         len = sizeof(struct virtchnl_irq_map_info) +
 934               sizeof(struct virtchnl_vector_map) * hw->nb_msix;
 935
 936         map_info = rte_zmalloc("map_info", len, 0);
 937         if (!map_info)
 938                 return -ENOMEM;
 939
 940         map_info->num_vectors = hw->nb_msix;
 941         for (i = 0; i < hw->nb_msix; i++) {
 942                 vecmap = &map_info->vecmap[i];
 943                 vecmap->vsi_id = hw->vsi_res->vsi_id;
 944                 vecmap->rxitr_idx = 0;
 945                 vecmap->vector_id = hw->msix_base + i;
 946                 vecmap->txq_map = 0;
 947                 vecmap->rxq_map = hw->rxq_map[hw->msix_base + i];
 948         }
 949
 950         memset(&args, 0, sizeof(args));
 951         args.v_op = VIRTCHNL_OP_CONFIG_IRQ_MAP;
 952         args.req_msg = (u8 *)map_info;
 953         args.req_msglen = len;
 954
 955         err = ice_dcf_execute_virtchnl_cmd(hw, &args);
 956         if (err)
 957                 PMD_DRV_LOG(ERR, "fail to execute command OP_CONFIG_IRQ_MAP");
 958
 959         rte_free(map_info);
 960         return err;
 961 }
 962
 963 int
 964 ice_dcf_switch_queue(struct ice_dcf_hw *hw, uint16_t qid, bool rx, bool on)
 965 {
 966         struct virtchnl_queue_select queue_select;
 967         struct dcf_virtchnl_cmd args;
 968         int err;
 969
 970         memset(&queue_select, 0, sizeof(queue_select));
 971         queue_select.vsi_id = hw->vsi_res->vsi_id;
 972         if (rx)
 973                 queue_select.rx_queues |= 1 << qid;
 974         else
 975                 queue_select.tx_queues |= 1 << qid;
 976
 977         memset(&args, 0, sizeof(args));
 978         if (on)
 979                 args.v_op = VIRTCHNL_OP_ENABLE_QUEUES;
 980         else
 981                 args.v_op = VIRTCHNL_OP_DISABLE_QUEUES;
 982
 983         args.req_msg = (u8 *)&queue_select;
 984         args.req_msglen = sizeof(queue_select);
 985
 986         err = ice_dcf_execute_virtchnl_cmd(hw, &args);
 987         if (err)
 988                 PMD_DRV_LOG(ERR, "Failed to execute command of %s",
 989                             on ? "OP_ENABLE_QUEUES" : "OP_DISABLE_QUEUES");
 990
 991         return err;
 992 }
 993
 994 int
 995 ice_dcf_disable_queues(struct ice_dcf_hw *hw)
 996 {
 997         struct virtchnl_queue_select queue_select;
 998         struct dcf_virtchnl_cmd args;
 999         int err;
1000
1001         memset(&queue_select, 0, sizeof(queue_select));
1002         queue_select.vsi_id = hw->vsi_res->vsi_id;
1003
1004         queue_select.rx_queues = BIT(hw->eth_dev->data->nb_rx_queues) - 1;
1005         queue_select.tx_queues = BIT(hw->eth_dev->data->nb_tx_queues) - 1;
1006
1007         memset(&args, 0, sizeof(args));
1008         args.v_op = VIRTCHNL_OP_DISABLE_QUEUES;
1009         args.req_msg = (u8 *)&queue_select;
1010         args.req_msglen = sizeof(queue_select);
1011
1012         err = ice_dcf_execute_virtchnl_cmd(hw, &args);
1013         if (err)
1014                 PMD_DRV_LOG(ERR,
1015                             "Failed to execute command of OP_DISABLE_QUEUES");
1016
1017         return err;
1018 }
1019
1020 int
1021 ice_dcf_query_stats(struct ice_dcf_hw *hw,
1022                                    struct virtchnl_eth_stats *pstats)
1023 {
1024         struct virtchnl_queue_select q_stats;
1025         struct dcf_virtchnl_cmd args;
1026         int err;
1027
1028         memset(&q_stats, 0, sizeof(q_stats));
1029         q_stats.vsi_id = hw->vsi_res->vsi_id;
1030
1031         args.v_op = VIRTCHNL_OP_GET_STATS;
1032         args.req_msg = (uint8_t *)&q_stats;
1033         args.req_msglen = sizeof(q_stats);
1034         args.rsp_msglen = sizeof(*pstats);
1035         args.rsp_msgbuf = (uint8_t *)pstats;
1036         args.rsp_buflen = sizeof(*pstats);
1037
1038         err = ice_dcf_execute_virtchnl_cmd(hw, &args);
1039         if (err) {
1040                 PMD_DRV_LOG(ERR, "fail to execute command OP_GET_STATS");
1041                 return err;
1042         }
1043
1044         return 0;
1045 }
1046
1047 int
1048 ice_dcf_add_del_all_mac_addr(struct ice_dcf_hw *hw, bool add)
1049 {
1050         struct virtchnl_ether_addr_list *list;
1051         struct rte_ether_addr *addr;
1052         struct dcf_virtchnl_cmd args;
1053         int len, err = 0;
1054
1055         len = sizeof(struct virtchnl_ether_addr_list);
1056         addr = hw->eth_dev->data->mac_addrs;
1057         len += sizeof(struct virtchnl_ether_addr);
1058
1059         list = rte_zmalloc(NULL, len, 0);
1060         if (!list) {
1061                 PMD_DRV_LOG(ERR, "fail to allocate memory");
1062                 return -ENOMEM;
1063         }
1064
1065         rte_memcpy(list->list[0].addr, addr->addr_bytes,
1066                         sizeof(addr->addr_bytes));
1067         PMD_DRV_LOG(DEBUG, "add/rm mac:%x:%x:%x:%x:%x:%x",
1068                             addr->addr_bytes[0], addr->addr_bytes[1],
1069                             addr->addr_bytes[2], addr->addr_bytes[3],
1070                             addr->addr_bytes[4], addr->addr_bytes[5]);
1071
1072         list->vsi_id = hw->vsi_res->vsi_id;
1073         list->num_elements = 1;
1074
1075         memset(&args, 0, sizeof(args));
1076         args.v_op = add ? VIRTCHNL_OP_ADD_ETH_ADDR :
1077                         VIRTCHNL_OP_DEL_ETH_ADDR;
1078         args.req_msg = (uint8_t *)list;
1079         args.req_msglen  = len;
1080         err = ice_dcf_execute_virtchnl_cmd(hw, &args);
1081         if (err)
1082                 PMD_DRV_LOG(ERR, "fail to execute command %s",
1083                             add ? "OP_ADD_ETHER_ADDRESS" :
1084                             "OP_DEL_ETHER_ADDRESS");
1085         rte_free(list);
1086         return err;
1087 }