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                VF_BASE_MODE_OFFLOADS | VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC;
 238
 239         err = ice_dcf_send_cmd_req_no_irq(hw, VIRTCHNL_OP_GET_VF_RESOURCES,
 240                                           (uint8_t *)&caps, sizeof(caps));
 241         if (err) {
 242                 PMD_DRV_LOG(ERR, "Failed to send msg OP_GET_VF_RESOURCE");
 243                 return err;
 244         }
 245
 246         err = ice_dcf_recv_cmd_rsp_no_irq(hw, VIRTCHNL_OP_GET_VF_RESOURCES,
 247                                           (uint8_t *)hw->vf_res,
 248                                           ICE_DCF_VF_RES_BUF_SZ, NULL);
 249         if (err) {
 250                 PMD_DRV_LOG(ERR, "Failed to get response of OP_GET_VF_RESOURCE");
 251                 return -1;
 252         }
 253
 254         iavf_vf_parse_hw_config(&hw->avf, hw->vf_res);
 255
 256         hw->vsi_res = NULL;
 257         for (i = 0; i < hw->vf_res->num_vsis; i++) {
 258                 if (hw->vf_res->vsi_res[i].vsi_type == VIRTCHNL_VSI_SRIOV)
 259                         hw->vsi_res = &hw->vf_res->vsi_res[i];
 260         }
 261
 262         if (!hw->vsi_res) {
 263                 PMD_DRV_LOG(ERR, "no LAN VSI found");
 264                 return -1;
 265         }
 266
 267         hw->vsi_id = hw->vsi_res->vsi_id;
 268         PMD_DRV_LOG(DEBUG, "VSI ID is %u", hw->vsi_id);
 269
 270         return 0;
 271 }
 272
 273 static int
 274 ice_dcf_get_vf_vsi_map(struct ice_dcf_hw *hw)
 275 {
 276         struct virtchnl_dcf_vsi_map *vsi_map;
 277         uint32_t valid_msg_len;
 278         uint16_t len;
 279         int err;
 280
 281         err = ice_dcf_send_cmd_req_no_irq(hw, VIRTCHNL_OP_DCF_GET_VSI_MAP,
 282                                           NULL, 0);
 283         if (err) {
 284                 PMD_DRV_LOG(ERR, "Failed to send msg OP_DCF_GET_VSI_MAP");
 285                 return err;
 286         }
 287
 288         err = ice_dcf_recv_cmd_rsp_no_irq(hw, VIRTCHNL_OP_DCF_GET_VSI_MAP,
 289                                           hw->arq_buf, ICE_DCF_AQ_BUF_SZ,
 290                                           &len);
 291         if (err) {
 292                 PMD_DRV_LOG(ERR, "Failed to get response of OP_DCF_GET_VSI_MAP");
 293                 return err;
 294         }
 295
 296         vsi_map = (struct virtchnl_dcf_vsi_map *)hw->arq_buf;
 297         valid_msg_len = (vsi_map->num_vfs - 1) * sizeof(vsi_map->vf_vsi[0]) +
 298                         sizeof(*vsi_map);
 299         if (len != valid_msg_len) {
 300                 PMD_DRV_LOG(ERR, "invalid vf vsi map response with length %u",
 301                             len);
 302                 return -EINVAL;
 303         }
 304
 305         if (hw->num_vfs != 0 && hw->num_vfs != vsi_map->num_vfs) {
 306                 PMD_DRV_LOG(ERR, "The number VSI map (%u) doesn't match the number of VFs (%u)",
 307                             vsi_map->num_vfs, hw->num_vfs);
 308                 return -EINVAL;
 309         }
 310
 311         len = vsi_map->num_vfs * sizeof(vsi_map->vf_vsi[0]);
 312
 313         if (!hw->vf_vsi_map) {
 314                 hw->vf_vsi_map = rte_zmalloc("vf_vsi_ctx", len, 0);
 315                 if (!hw->vf_vsi_map) {
 316                         PMD_DRV_LOG(ERR, "Failed to alloc memory for VSI context");
 317                         return -ENOMEM;
 318                 }
 319
 320                 hw->num_vfs = vsi_map->num_vfs;
 321                 hw->pf_vsi_id = vsi_map->pf_vsi;
 322         }
 323
 324         if (!memcmp(hw->vf_vsi_map, vsi_map->vf_vsi, len)) {
 325                 PMD_DRV_LOG(DEBUG, "VF VSI map doesn't change");
 326                 return 1;
 327         }
 328
 329         rte_memcpy(hw->vf_vsi_map, vsi_map->vf_vsi, len);
 330         return 0;
 331 }
 332
 333 static int
 334 ice_dcf_mode_disable(struct ice_dcf_hw *hw)
 335 {
 336         int err;
 337
 338         err = ice_dcf_send_cmd_req_no_irq(hw, VIRTCHNL_OP_DCF_DISABLE,
 339                                           NULL, 0);
 340         if (err) {
 341                 PMD_DRV_LOG(ERR, "Failed to send msg OP_DCF_DISABLE");
 342                 return err;
 343         }
 344
 345         err = ice_dcf_recv_cmd_rsp_no_irq(hw, VIRTCHNL_OP_DCF_DISABLE,
 346                                           hw->arq_buf, ICE_DCF_AQ_BUF_SZ, NULL);
 347         if (err) {
 348                 PMD_DRV_LOG(ERR,
 349                             "Failed to get response of OP_DCF_DISABLE %d",
 350                             err);
 351                 return -1;
 352         }
 353
 354         return 0;
 355 }
 356
 357 static int
 358 ice_dcf_check_reset_done(struct ice_dcf_hw *hw)
 359 {
 360 #define ICE_DCF_RESET_WAIT_CNT       50
 361         struct iavf_hw *avf = &hw->avf;
 362         int i, reset;
 363
 364         for (i = 0; i < ICE_DCF_RESET_WAIT_CNT; i++) {
 365                 reset = IAVF_READ_REG(avf, IAVF_VFGEN_RSTAT) &
 366                                         IAVF_VFGEN_RSTAT_VFR_STATE_MASK;
 367                 reset = reset >> IAVF_VFGEN_RSTAT_VFR_STATE_SHIFT;
 368
 369                 if (reset == VIRTCHNL_VFR_VFACTIVE ||
 370                     reset == VIRTCHNL_VFR_COMPLETED)
 371                         break;
 372
 373                 rte_delay_ms(20);
 374         }
 375
 376         if (i >= ICE_DCF_RESET_WAIT_CNT)
 377                 return -1;
 378
 379         return 0;
 380 }
 381
 382 static inline void
 383 ice_dcf_enable_irq0(struct ice_dcf_hw *hw)
 384 {
 385         struct iavf_hw *avf = &hw->avf;
 386
 387         /* Enable admin queue interrupt trigger */
 388         IAVF_WRITE_REG(avf, IAVF_VFINT_ICR0_ENA1,
 389                        IAVF_VFINT_ICR0_ENA1_ADMINQ_MASK);
 390         IAVF_WRITE_REG(avf, IAVF_VFINT_DYN_CTL01,
 391                        IAVF_VFINT_DYN_CTL01_INTENA_MASK |
 392                        IAVF_VFINT_DYN_CTL01_CLEARPBA_MASK |
 393                        IAVF_VFINT_DYN_CTL01_ITR_INDX_MASK);
 394
 395         IAVF_WRITE_FLUSH(avf);
 396 }
 397
 398 static inline void
 399 ice_dcf_disable_irq0(struct ice_dcf_hw *hw)
 400 {
 401         struct iavf_hw *avf = &hw->avf;
 402
 403         /* Disable all interrupt types */
 404         IAVF_WRITE_REG(avf, IAVF_VFINT_ICR0_ENA1, 0);
 405         IAVF_WRITE_REG(avf, IAVF_VFINT_DYN_CTL01,
 406                        IAVF_VFINT_DYN_CTL01_ITR_INDX_MASK);
 407
 408         IAVF_WRITE_FLUSH(avf);
 409 }
 410
 411 static void
 412 ice_dcf_dev_interrupt_handler(void *param)
 413 {
 414         struct ice_dcf_hw *hw = param;
 415
 416         ice_dcf_disable_irq0(hw);
 417
 418         ice_dcf_handle_virtchnl_msg(hw);
 419
 420         ice_dcf_enable_irq0(hw);
 421 }
 422
 423 int
 424 ice_dcf_execute_virtchnl_cmd(struct ice_dcf_hw *hw,
 425                              struct dcf_virtchnl_cmd *cmd)
 426 {
 427         int i = 0;
 428         int err;
 429
 430         if ((cmd->req_msg && !cmd->req_msglen) ||
 431             (!cmd->req_msg && cmd->req_msglen) ||
 432             (cmd->rsp_msgbuf && !cmd->rsp_buflen) ||
 433             (!cmd->rsp_msgbuf && cmd->rsp_buflen))
 434                 return -EINVAL;
 435
 436         rte_spinlock_lock(&hw->vc_cmd_send_lock);
 437         ice_dcf_vc_cmd_set(hw, cmd);
 438
 439         err = ice_dcf_vc_cmd_send(hw, cmd);
 440         if (err) {
 441                 PMD_DRV_LOG(ERR, "fail to send cmd %d", cmd->v_op);
 442                 goto ret;
 443         }
 444
 445         do {
 446                 if (!cmd->pending)
 447                         break;
 448
 449                 rte_delay_ms(ICE_DCF_ARQ_CHECK_TIME);
 450         } while (i++ < ICE_DCF_ARQ_MAX_RETRIES);
 451
 452         if (cmd->v_ret != IAVF_SUCCESS) {
 453                 err = -1;
 454                 PMD_DRV_LOG(ERR,
 455                             "No response (%d times) or return failure (%d) for cmd %d",
 456                             i, cmd->v_ret, cmd->v_op);
 457         }
 458
 459 ret:
 460         ice_dcf_aq_cmd_clear(hw, cmd);
 461         rte_spinlock_unlock(&hw->vc_cmd_send_lock);
 462         return err;
 463 }
 464
 465 int
 466 ice_dcf_send_aq_cmd(void *dcf_hw, struct ice_aq_desc *desc,
 467                     void *buf, uint16_t buf_size)
 468 {
 469         struct dcf_virtchnl_cmd desc_cmd, buff_cmd;
 470         struct ice_dcf_hw *hw = dcf_hw;
 471         int err = 0;
 472         int i = 0;
 473
 474         if ((buf && !buf_size) || (!buf && buf_size) ||
 475             buf_size > ICE_DCF_AQ_BUF_SZ)
 476                 return -EINVAL;
 477
 478         desc_cmd.v_op = VIRTCHNL_OP_DCF_CMD_DESC;
 479         desc_cmd.req_msglen = sizeof(*desc);
 480         desc_cmd.req_msg = (uint8_t *)desc;
 481         desc_cmd.rsp_buflen = sizeof(*desc);
 482         desc_cmd.rsp_msgbuf = (uint8_t *)desc;
 483
 484         if (buf == NULL)
 485                 return ice_dcf_execute_virtchnl_cmd(hw, &desc_cmd);
 486
 487         desc->flags |= rte_cpu_to_le_16(ICE_AQ_FLAG_BUF);
 488
 489         buff_cmd.v_op = VIRTCHNL_OP_DCF_CMD_BUFF;
 490         buff_cmd.req_msglen = buf_size;
 491         buff_cmd.req_msg = buf;
 492         buff_cmd.rsp_buflen = buf_size;
 493         buff_cmd.rsp_msgbuf = buf;
 494
 495         rte_spinlock_lock(&hw->vc_cmd_send_lock);
 496         ice_dcf_vc_cmd_set(hw, &desc_cmd);
 497         ice_dcf_vc_cmd_set(hw, &buff_cmd);
 498
 499         if (ice_dcf_vc_cmd_send(hw, &desc_cmd) ||
 500             ice_dcf_vc_cmd_send(hw, &buff_cmd)) {
 501                 err = -1;
 502                 PMD_DRV_LOG(ERR, "fail to send OP_DCF_CMD_DESC/BUFF");
 503                 goto ret;
 504         }
 505
 506         do {
 507                 if ((!desc_cmd.pending && !buff_cmd.pending) ||
 508                     (!desc_cmd.pending && desc_cmd.v_ret != IAVF_SUCCESS) ||
 509                     (!buff_cmd.pending && buff_cmd.v_ret != IAVF_SUCCESS))
 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         hw->eth_dev = eth_dev;
 673         rte_intr_callback_register(&pci_dev->intr_handle,
 674                                    ice_dcf_dev_interrupt_handler, hw);
 675         rte_intr_enable(&pci_dev->intr_handle);
 676         ice_dcf_enable_irq0(hw);
 677
 678         return 0;
 679
 680 err_rss:
 681         rte_free(hw->rss_key);
 682         rte_free(hw->rss_lut);
 683 err_alloc:
 684         rte_free(hw->vf_res);
 685 err_api:
 686         iavf_shutdown_adminq(&hw->avf);
 687 err:
 688         rte_free(hw->arq_buf);
 689
 690         return -1;
 691 }
 692
 693 void
 694 ice_dcf_uninit_hw(struct rte_eth_dev *eth_dev, struct ice_dcf_hw *hw)
 695 {
 696         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
 697         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
 698
 699         ice_dcf_disable_irq0(hw);
 700         rte_intr_disable(intr_handle);
 701         rte_intr_callback_unregister(intr_handle,
 702                                      ice_dcf_dev_interrupt_handler, hw);
 703
 704         ice_dcf_mode_disable(hw);
 705         iavf_shutdown_adminq(&hw->avf);
 706
 707         rte_free(hw->arq_buf);
 708         rte_free(hw->vf_vsi_map);
 709         rte_free(hw->vf_res);
 710         rte_free(hw->rss_lut);
 711         rte_free(hw->rss_key);
 712 }
 713
 714 static int
 715 ice_dcf_configure_rss_key(struct ice_dcf_hw *hw)
 716 {
 717         struct virtchnl_rss_key *rss_key;
 718         struct dcf_virtchnl_cmd args;
 719         int len, err;
 720
 721         len = sizeof(*rss_key) + hw->vf_res->rss_key_size - 1;
 722         rss_key = rte_zmalloc("rss_key", len, 0);
 723         if (!rss_key)
 724                 return -ENOMEM;
 725
 726         rss_key->vsi_id = hw->vsi_res->vsi_id;
 727         rss_key->key_len = hw->vf_res->rss_key_size;
 728         rte_memcpy(rss_key->key, hw->rss_key, hw->vf_res->rss_key_size);
 729
 730         args.v_op = VIRTCHNL_OP_CONFIG_RSS_KEY;
 731         args.req_msglen = len;
 732         args.req_msg = (uint8_t *)rss_key;
 733         args.rsp_msglen = 0;
 734         args.rsp_buflen = 0;
 735         args.rsp_msgbuf = NULL;
 736         args.pending = 0;
 737
 738         err = ice_dcf_execute_virtchnl_cmd(hw, &args);
 739         if (err)
 740                 PMD_INIT_LOG(ERR, "Failed to execute OP_CONFIG_RSS_KEY");
 741
 742         rte_free(rss_key);
 743         return err;
 744 }
 745
 746 static int
 747 ice_dcf_configure_rss_lut(struct ice_dcf_hw *hw)
 748 {
 749         struct virtchnl_rss_lut *rss_lut;
 750         struct dcf_virtchnl_cmd args;
 751         int len, err;
 752
 753         len = sizeof(*rss_lut) + hw->vf_res->rss_lut_size - 1;
 754         rss_lut = rte_zmalloc("rss_lut", len, 0);
 755         if (!rss_lut)
 756                 return -ENOMEM;
 757
 758         rss_lut->vsi_id = hw->vsi_res->vsi_id;
 759         rss_lut->lut_entries = hw->vf_res->rss_lut_size;
 760         rte_memcpy(rss_lut->lut, hw->rss_lut, hw->vf_res->rss_lut_size);
 761
 762         args.v_op = VIRTCHNL_OP_CONFIG_RSS_LUT;
 763         args.req_msglen = len;
 764         args.req_msg = (uint8_t *)rss_lut;
 765         args.rsp_msglen = 0;
 766         args.rsp_buflen = 0;
 767         args.rsp_msgbuf = NULL;
 768         args.pending = 0;
 769
 770         err = ice_dcf_execute_virtchnl_cmd(hw, &args);
 771         if (err)
 772                 PMD_INIT_LOG(ERR, "Failed to execute OP_CONFIG_RSS_LUT");
 773
 774         rte_free(rss_lut);
 775         return err;
 776 }
 777
 778 int
 779 ice_dcf_init_rss(struct ice_dcf_hw *hw)
 780 {
 781         struct rte_eth_dev *dev = hw->eth_dev;
 782         struct rte_eth_rss_conf *rss_conf;
 783         uint8_t i, j, nb_q;
 784         int ret;
 785
 786         rss_conf = &dev->data->dev_conf.rx_adv_conf.rss_conf;
 787         nb_q = dev->data->nb_rx_queues;
 788
 789         if (!(hw->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF)) {
 790                 PMD_DRV_LOG(DEBUG, "RSS is not supported");
 791                 return -ENOTSUP;
 792         }
 793         if (dev->data->dev_conf.rxmode.mq_mode != ETH_MQ_RX_RSS) {
 794                 PMD_DRV_LOG(WARNING, "RSS is enabled by PF by default");
 795                 /* set all lut items to default queue */
 796                 memset(hw->rss_lut, 0, hw->vf_res->rss_lut_size);
 797                 return ice_dcf_configure_rss_lut(hw);
 798         }
 799
 800         /* In IAVF, RSS enablement is set by PF driver. It is not supported
 801          * to set based on rss_conf->rss_hf.
 802          */
 803
 804         /* configure RSS key */
 805         if (!rss_conf->rss_key)
 806                 /* Calculate the default hash key */
 807                 for (i = 0; i < hw->vf_res->rss_key_size; i++)
 808                         hw->rss_key[i] = (uint8_t)rte_rand();
 809         else
 810                 rte_memcpy(hw->rss_key, rss_conf->rss_key,
 811                            RTE_MIN(rss_conf->rss_key_len,
 812                                    hw->vf_res->rss_key_size));
 813
 814         /* init RSS LUT table */
 815         for (i = 0, j = 0; i < hw->vf_res->rss_lut_size; i++, j++) {
 816                 if (j >= nb_q)
 817                         j = 0;
 818                 hw->rss_lut[i] = j;
 819         }
 820         /* send virtchnnl ops to configure rss*/
 821         ret = ice_dcf_configure_rss_lut(hw);
 822         if (ret)
 823                 return ret;
 824         ret = ice_dcf_configure_rss_key(hw);
 825         if (ret)
 826                 return ret;
 827
 828         return 0;
 829 }
 830
 831 #define IAVF_RXDID_LEGACY_0 0
 832 #define IAVF_RXDID_LEGACY_1 1
 833 #define IAVF_RXDID_COMMS_GENERIC 16
 834
 835 int
 836 ice_dcf_configure_queues(struct ice_dcf_hw *hw)
 837 {
 838         struct ice_rx_queue **rxq =
 839                 (struct ice_rx_queue **)hw->eth_dev->data->rx_queues;
 840         struct ice_tx_queue **txq =
 841                 (struct ice_tx_queue **)hw->eth_dev->data->tx_queues;
 842         struct virtchnl_vsi_queue_config_info *vc_config;
 843         struct virtchnl_queue_pair_info *vc_qp;
 844         struct dcf_virtchnl_cmd args;
 845         uint16_t i, size;
 846         int err;
 847
 848         size = sizeof(*vc_config) +
 849                sizeof(vc_config->qpair[0]) * hw->num_queue_pairs;
 850         vc_config = rte_zmalloc("cfg_queue", size, 0);
 851         if (!vc_config)
 852                 return -ENOMEM;
 853
 854         vc_config->vsi_id = hw->vsi_res->vsi_id;
 855         vc_config->num_queue_pairs = hw->num_queue_pairs;
 856
 857         for (i = 0, vc_qp = vc_config->qpair;
 858              i < hw->num_queue_pairs;
 859              i++, vc_qp++) {
 860                 vc_qp->txq.vsi_id = hw->vsi_res->vsi_id;
 861                 vc_qp->txq.queue_id = i;
 862                 if (i < hw->eth_dev->data->nb_tx_queues) {
 863                         vc_qp->txq.ring_len = txq[i]->nb_tx_desc;
 864                         vc_qp->txq.dma_ring_addr = txq[i]->tx_ring_dma;
 865                 }
 866                 vc_qp->rxq.vsi_id = hw->vsi_res->vsi_id;
 867                 vc_qp->rxq.queue_id = i;
 868                 vc_qp->rxq.max_pkt_size = rxq[i]->max_pkt_len;
 869
 870                 if (i >= hw->eth_dev->data->nb_rx_queues)
 871                         continue;
 872
 873                 vc_qp->rxq.ring_len = rxq[i]->nb_rx_desc;
 874                 vc_qp->rxq.dma_ring_addr = rxq[i]->rx_ring_dma;
 875                 vc_qp->rxq.databuffer_size = rxq[i]->rx_buf_len;
 876
 877 #ifndef RTE_LIBRTE_ICE_16BYTE_RX_DESC
 878                 if (hw->vf_res->vf_cap_flags &
 879                     VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC &&
 880                     hw->supported_rxdid &
 881                     BIT(IAVF_RXDID_COMMS_GENERIC)) {
 882                         vc_qp->rxq.rxdid = IAVF_RXDID_COMMS_GENERIC;
 883                         PMD_DRV_LOG(NOTICE, "request RXDID == %d in "
 884                                     "Queue[%d]", vc_qp->rxq.rxdid, i);
 885                 } else {
 886                         PMD_DRV_LOG(ERR, "RXDID 16 is not supported");
 887                         return -EINVAL;
 888                 }
 889 #else
 890                 if (hw->vf_res->vf_cap_flags &
 891                         VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC &&
 892                         hw->supported_rxdid &
 893                         BIT(IAVF_RXDID_LEGACY_0)) {
 894                         vc_qp->rxq.rxdid = IAVF_RXDID_LEGACY_0;
 895                         PMD_DRV_LOG(NOTICE, "request RXDID == %d in "
 896                                         "Queue[%d]", vc_qp->rxq.rxdid, i);
 897                 } else {
 898                         PMD_DRV_LOG(ERR, "RXDID == 0 is not supported");
 899                         return -EINVAL;
 900                 }
 901 #endif
 902         }
 903
 904         memset(&args, 0, sizeof(args));
 905         args.v_op = VIRTCHNL_OP_CONFIG_VSI_QUEUES;
 906         args.req_msg = (uint8_t *)vc_config;
 907         args.req_msglen = size;
 908
 909         err = ice_dcf_execute_virtchnl_cmd(hw, &args);
 910         if (err)
 911                 PMD_DRV_LOG(ERR, "Failed to execute command of"
 912                             " VIRTCHNL_OP_CONFIG_VSI_QUEUES");
 913
 914         rte_free(vc_config);
 915         return err;
 916 }
 917
 918 int
 919 ice_dcf_config_irq_map(struct ice_dcf_hw *hw)
 920 {
 921         struct virtchnl_irq_map_info *map_info;
 922         struct virtchnl_vector_map *vecmap;
 923         struct dcf_virtchnl_cmd args;
 924         int len, i, err;
 925
 926         len = sizeof(struct virtchnl_irq_map_info) +
 927               sizeof(struct virtchnl_vector_map) * hw->nb_msix;
 928
 929         map_info = rte_zmalloc("map_info", len, 0);
 930         if (!map_info)
 931                 return -ENOMEM;
 932
 933         map_info->num_vectors = hw->nb_msix;
 934         for (i = 0; i < hw->nb_msix; i++) {
 935                 vecmap = &map_info->vecmap[i];
 936                 vecmap->vsi_id = hw->vsi_res->vsi_id;
 937                 vecmap->rxitr_idx = 0;
 938                 vecmap->vector_id = hw->msix_base + i;
 939                 vecmap->txq_map = 0;
 940                 vecmap->rxq_map = hw->rxq_map[hw->msix_base + i];
 941         }
 942
 943         memset(&args, 0, sizeof(args));
 944         args.v_op = VIRTCHNL_OP_CONFIG_IRQ_MAP;
 945         args.req_msg = (u8 *)map_info;
 946         args.req_msglen = len;
 947
 948         err = ice_dcf_execute_virtchnl_cmd(hw, &args);
 949         if (err)
 950                 PMD_DRV_LOG(ERR, "fail to execute command OP_CONFIG_IRQ_MAP");
 951
 952         rte_free(map_info);
 953         return err;
 954 }
 955
 956 int
 957 ice_dcf_switch_queue(struct ice_dcf_hw *hw, uint16_t qid, bool rx, bool on)
 958 {
 959         struct virtchnl_queue_select queue_select;
 960         struct dcf_virtchnl_cmd args;
 961         int err;
 962
 963         memset(&queue_select, 0, sizeof(queue_select));
 964         queue_select.vsi_id = hw->vsi_res->vsi_id;
 965         if (rx)
 966                 queue_select.rx_queues |= 1 << qid;
 967         else
 968                 queue_select.tx_queues |= 1 << qid;
 969
 970         memset(&args, 0, sizeof(args));
 971         if (on)
 972                 args.v_op = VIRTCHNL_OP_ENABLE_QUEUES;
 973         else
 974                 args.v_op = VIRTCHNL_OP_DISABLE_QUEUES;
 975
 976         args.req_msg = (u8 *)&queue_select;
 977         args.req_msglen = sizeof(queue_select);
 978
 979         err = ice_dcf_execute_virtchnl_cmd(hw, &args);
 980         if (err)
 981                 PMD_DRV_LOG(ERR, "Failed to execute command of %s",
 982                             on ? "OP_ENABLE_QUEUES" : "OP_DISABLE_QUEUES");
 983
 984         return err;
 985 }
 986
 987 int
 988 ice_dcf_disable_queues(struct ice_dcf_hw *hw)
 989 {
 990         struct virtchnl_queue_select queue_select;
 991         struct dcf_virtchnl_cmd args;
 992         int err;
 993
 994         memset(&queue_select, 0, sizeof(queue_select));
 995         queue_select.vsi_id = hw->vsi_res->vsi_id;
 996
 997         queue_select.rx_queues = BIT(hw->eth_dev->data->nb_rx_queues) - 1;
 998         queue_select.tx_queues = BIT(hw->eth_dev->data->nb_tx_queues) - 1;
 999
1000         memset(&args, 0, sizeof(args));
1001         args.v_op = VIRTCHNL_OP_DISABLE_QUEUES;
1002         args.req_msg = (u8 *)&queue_select;
1003         args.req_msglen = sizeof(queue_select);
1004
1005         err = ice_dcf_execute_virtchnl_cmd(hw, &args);
1006         if (err)
1007                 PMD_DRV_LOG(ERR,
1008                             "Failed to execute command of OP_DISABLE_QUEUES");
1009
1010         return err;
1011 }
1012
1013 int
1014 ice_dcf_query_stats(struct ice_dcf_hw *hw,
1015                                    struct virtchnl_eth_stats *pstats)
1016 {
1017         struct virtchnl_queue_select q_stats;
1018         struct dcf_virtchnl_cmd args;
1019         int err;
1020
1021         memset(&q_stats, 0, sizeof(q_stats));
1022         q_stats.vsi_id = hw->vsi_res->vsi_id;
1023
1024         args.v_op = VIRTCHNL_OP_GET_STATS;
1025         args.req_msg = (uint8_t *)&q_stats;
1026         args.req_msglen = sizeof(q_stats);
1027         args.rsp_msglen = sizeof(*pstats);
1028         args.rsp_msgbuf = (uint8_t *)pstats;
1029         args.rsp_buflen = sizeof(*pstats);
1030
1031         err = ice_dcf_execute_virtchnl_cmd(hw, &args);
1032         if (err) {
1033                 PMD_DRV_LOG(ERR, "fail to execute command OP_GET_STATS");
1034                 return err;
1035         }
1036
1037         return 0;
1038 }
1039
1040 int
1041 ice_dcf_add_del_all_mac_addr(struct ice_dcf_hw *hw, bool add)
1042 {
1043         struct virtchnl_ether_addr_list *list;
1044         struct rte_ether_addr *addr;
1045         struct dcf_virtchnl_cmd args;
1046         int len, err = 0;
1047
1048         len = sizeof(struct virtchnl_ether_addr_list);
1049         addr = hw->eth_dev->data->mac_addrs;
1050         len += sizeof(struct virtchnl_ether_addr);
1051
1052         list = rte_zmalloc(NULL, len, 0);
1053         if (!list) {
1054                 PMD_DRV_LOG(ERR, "fail to allocate memory");
1055                 return -ENOMEM;
1056         }
1057
1058         rte_memcpy(list->list[0].addr, addr->addr_bytes,
1059                         sizeof(addr->addr_bytes));
1060         PMD_DRV_LOG(DEBUG, "add/rm mac:%x:%x:%x:%x:%x:%x",
1061                             addr->addr_bytes[0], addr->addr_bytes[1],
1062                             addr->addr_bytes[2], addr->addr_bytes[3],
1063                             addr->addr_bytes[4], addr->addr_bytes[5]);
1064
1065         list->vsi_id = hw->vsi_res->vsi_id;
1066         list->num_elements = 1;
1067
1068         memset(&args, 0, sizeof(args));
1069         args.v_op = add ? VIRTCHNL_OP_ADD_ETH_ADDR :
1070                         VIRTCHNL_OP_DEL_ETH_ADDR;
1071         args.req_msg = (uint8_t *)list;
1072         args.req_msglen  = len;
1073         err = ice_dcf_execute_virtchnl_cmd(hw, &args);
1074         if (err)
1075                 PMD_DRV_LOG(ERR, "fail to execute command %s",
1076                             add ? "OP_ADD_ETHER_ADDRESS" :
1077                             "OP_DEL_ETHER_ADDRESS");
1078         rte_free(list);
1079         return err;
1080 }