drivers/net/i40e/i40e_pf.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
   5  *   All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Intel Corporation nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <sys/queue.h>
  35 #include <stdio.h>
  36 #include <errno.h>
  37 #include <stdint.h>
  38 #include <string.h>
  39 #include <unistd.h>
  40 #include <stdarg.h>
  41 #include <inttypes.h>
  42
  43 #include <rte_string_fns.h>
  44 #include <rte_pci.h>
  45 #include <rte_ether.h>
  46 #include <rte_ethdev.h>
  47 #include <rte_memzone.h>
  48 #include <rte_malloc.h>
  49 #include <rte_memcpy.h>
  50
  51 #include "i40e_logs.h"
  52 #include "base/i40e_prototype.h"
  53 #include "base/i40e_adminq_cmd.h"
  54 #include "base/i40e_type.h"
  55 #include "i40e_ethdev.h"
  56 #include "i40e_rxtx.h"
  57 #include "i40e_pf.h"
  58
  59 #define I40E_CFG_CRCSTRIP_DEFAULT 1
  60
  61 static int
  62 i40e_pf_host_switch_queues(struct i40e_pf_vf *vf,
  63                            struct i40e_virtchnl_queue_select *qsel,
  64                            bool on);
  65
  66 /**
  67  * Bind PF queues with VSI and VF.
  68  **/
  69 static int
  70 i40e_pf_vf_queues_mapping(struct i40e_pf_vf *vf)
  71 {
  72         int i;
  73         struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
  74         uint16_t vsi_id = vf->vsi->vsi_id;
  75         uint16_t vf_id  = vf->vf_idx;
  76         uint16_t nb_qps = vf->vsi->nb_qps;
  77         uint16_t qbase  = vf->vsi->base_queue;
  78         uint16_t q1, q2;
  79         uint32_t val;
  80
  81         /*
  82          * VF should use scatter range queues. So, it needn't
  83          * to set QBASE in this register.
  84          */
  85         I40E_WRITE_REG(hw, I40E_VSILAN_QBASE(vsi_id),
  86              I40E_VSILAN_QBASE_VSIQTABLE_ENA_MASK);
  87
  88         /* Set to enable VFLAN_QTABLE[] registers valid */
  89         I40E_WRITE_REG(hw, I40E_VPLAN_MAPENA(vf_id),
  90                 I40E_VPLAN_MAPENA_TXRX_ENA_MASK);
  91
  92         /* map PF queues to VF */
  93         for (i = 0; i < nb_qps; i++) {
  94                 val = ((qbase + i) & I40E_VPLAN_QTABLE_QINDEX_MASK);
  95                 I40E_WRITE_REG(hw, I40E_VPLAN_QTABLE(i, vf_id), val);
  96         }
  97
  98         /* map PF queues to VSI */
  99         for (i = 0; i < I40E_MAX_QP_NUM_PER_VF / 2; i++) {
 100                 if (2 * i > nb_qps - 1)
 101                         q1 = I40E_VSILAN_QTABLE_QINDEX_0_MASK;
 102                 else
 103                         q1 = qbase + 2 * i;
 104
 105                 if (2 * i + 1 > nb_qps - 1)
 106                         q2 = I40E_VSILAN_QTABLE_QINDEX_0_MASK;
 107                 else
 108                         q2 = qbase + 2 * i + 1;
 109
 110                 val = (q2 << I40E_VSILAN_QTABLE_QINDEX_1_SHIFT) + q1;
 111                 I40E_WRITE_REG(hw, I40E_VSILAN_QTABLE(i, vsi_id), val);
 112         }
 113         I40E_WRITE_FLUSH(hw);
 114
 115         return I40E_SUCCESS;
 116 }
 117
 118
 119 /**
 120  * Proceed VF reset operation.
 121  */
 122 int
 123 i40e_pf_host_vf_reset(struct i40e_pf_vf *vf, bool do_hw_reset)
 124 {
 125         uint32_t val, i;
 126         struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
 127         uint16_t vf_id, abs_vf_id, vf_msix_num;
 128         int ret;
 129         struct i40e_virtchnl_queue_select qsel;
 130
 131         if (vf == NULL)
 132                 return -EINVAL;
 133
 134         vf_id = vf->vf_idx;
 135         abs_vf_id = vf_id + hw->func_caps.vf_base_id;
 136
 137         /* Notify VF that we are in VFR progress */
 138         I40E_WRITE_REG(hw, I40E_VFGEN_RSTAT1(vf_id), I40E_PF_VFR_INPROGRESS);
 139
 140         /*
 141          * If require a SW VF reset, a VFLR interrupt will be generated,
 142          * this function will be called again. To avoid it,
 143          * disable interrupt first.
 144          */
 145         if (do_hw_reset) {
 146                 vf->state = I40E_VF_INRESET;
 147                 val = I40E_READ_REG(hw, I40E_VPGEN_VFRTRIG(vf_id));
 148                 val |= I40E_VPGEN_VFRTRIG_VFSWR_MASK;
 149                 I40E_WRITE_REG(hw, I40E_VPGEN_VFRTRIG(vf_id), val);
 150                 I40E_WRITE_FLUSH(hw);
 151         }
 152
 153 #define VFRESET_MAX_WAIT_CNT 100
 154         /* Wait until VF reset is done */
 155         for (i = 0; i < VFRESET_MAX_WAIT_CNT; i++) {
 156                 rte_delay_us(10);
 157                 val = I40E_READ_REG(hw, I40E_VPGEN_VFRSTAT(vf_id));
 158                 if (val & I40E_VPGEN_VFRSTAT_VFRD_MASK)
 159                         break;
 160         }
 161
 162         if (i >= VFRESET_MAX_WAIT_CNT) {
 163                 PMD_DRV_LOG(ERR, "VF reset timeout");
 164                 return -ETIMEDOUT;
 165         }
 166
 167         /* This is not first time to do reset, do cleanup job first */
 168         if (vf->vsi) {
 169                 /* Disable queues */
 170                 memset(&qsel, 0, sizeof(qsel));
 171                 for (i = 0; i < vf->vsi->nb_qps; i++)
 172                         qsel.rx_queues |= 1 << i;
 173                 qsel.tx_queues = qsel.rx_queues;
 174                 ret = i40e_pf_host_switch_queues(vf, &qsel, false);
 175                 if (ret != I40E_SUCCESS) {
 176                         PMD_DRV_LOG(ERR, "Disable VF queues failed");
 177                         return -EFAULT;
 178                 }
 179
 180                 /* Disable VF interrupt setting */
 181                 vf_msix_num = hw->func_caps.num_msix_vectors_vf;
 182                 for (i = 0; i < vf_msix_num; i++) {
 183                         if (!i)
 184                                 val = I40E_VFINT_DYN_CTL0(vf_id);
 185                         else
 186                                 val = I40E_VFINT_DYN_CTLN(((vf_msix_num - 1) *
 187                                                         (vf_id)) + (i - 1));
 188                         I40E_WRITE_REG(hw, val, I40E_VFINT_DYN_CTLN_CLEARPBA_MASK);
 189                 }
 190                 I40E_WRITE_FLUSH(hw);
 191
 192                 /* remove VSI */
 193                 ret = i40e_vsi_release(vf->vsi);
 194                 if (ret != I40E_SUCCESS) {
 195                         PMD_DRV_LOG(ERR, "Release VSI failed");
 196                         return -EFAULT;
 197                 }
 198         }
 199
 200 #define I40E_VF_PCI_ADDR  0xAA
 201 #define I40E_VF_PEND_MASK 0x20
 202         /* Check the pending transactions of this VF */
 203         /* Use absolute VF id, refer to datasheet for details */
 204         I40E_WRITE_REG(hw, I40E_PF_PCI_CIAA, I40E_VF_PCI_ADDR |
 205                 (abs_vf_id << I40E_PF_PCI_CIAA_VF_NUM_SHIFT));
 206         for (i = 0; i < VFRESET_MAX_WAIT_CNT; i++) {
 207                 rte_delay_us(1);
 208                 val = I40E_READ_REG(hw, I40E_PF_PCI_CIAD);
 209                 if ((val & I40E_VF_PEND_MASK) == 0)
 210                         break;
 211         }
 212
 213         if (i >= VFRESET_MAX_WAIT_CNT) {
 214                 PMD_DRV_LOG(ERR, "Wait VF PCI transaction end timeout");
 215                 return -ETIMEDOUT;
 216         }
 217
 218         /* Reset done, Set COMPLETE flag and clear reset bit */
 219         I40E_WRITE_REG(hw, I40E_VFGEN_RSTAT1(vf_id), I40E_PF_VFR_COMPLETED);
 220         val = I40E_READ_REG(hw, I40E_VPGEN_VFRTRIG(vf_id));
 221         val &= ~I40E_VPGEN_VFRTRIG_VFSWR_MASK;
 222         I40E_WRITE_REG(hw, I40E_VPGEN_VFRTRIG(vf_id), val);
 223         vf->reset_cnt++;
 224         I40E_WRITE_FLUSH(hw);
 225
 226         /* Allocate resource again */
 227         vf->vsi = i40e_vsi_setup(vf->pf, I40E_VSI_SRIOV,
 228                         vf->pf->main_vsi, vf->vf_idx);
 229         if (vf->vsi == NULL) {
 230                 PMD_DRV_LOG(ERR, "Add vsi failed");
 231                 return -EFAULT;
 232         }
 233
 234         ret = i40e_pf_vf_queues_mapping(vf);
 235         if (ret != I40E_SUCCESS) {
 236                 PMD_DRV_LOG(ERR, "queue mapping error");
 237                 i40e_vsi_release(vf->vsi);
 238                 return -EFAULT;
 239         }
 240
 241         return ret;
 242 }
 243
 244 static int
 245 i40e_pf_host_send_msg_to_vf(struct i40e_pf_vf *vf,
 246                             uint32_t opcode,
 247                             uint32_t retval,
 248                             uint8_t *msg,
 249                             uint16_t msglen)
 250 {
 251         struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
 252         uint16_t abs_vf_id = hw->func_caps.vf_base_id + vf->vf_idx;
 253         int ret;
 254
 255         ret = i40e_aq_send_msg_to_vf(hw, abs_vf_id, opcode, retval,
 256                                                 msg, msglen, NULL);
 257         if (ret) {
 258                 PMD_INIT_LOG(ERR, "Fail to send message to VF, err %u",
 259                              hw->aq.asq_last_status);
 260         }
 261
 262         return ret;
 263 }
 264
 265 static void
 266 i40e_pf_host_process_cmd_version(struct i40e_pf_vf *vf)
 267 {
 268         struct i40e_virtchnl_version_info info;
 269
 270         info.major = I40E_DPDK_VERSION_MAJOR;
 271         info.minor = I40E_DPDK_VERSION_MINOR;
 272         i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_VERSION,
 273                 I40E_SUCCESS, (uint8_t *)&info, sizeof(info));
 274 }
 275
 276 static int
 277 i40e_pf_host_process_cmd_reset_vf(struct i40e_pf_vf *vf)
 278 {
 279         i40e_pf_host_vf_reset(vf, 1);
 280
 281         /* No feedback will be sent to VF for VFLR */
 282         return I40E_SUCCESS;
 283 }
 284
 285 static int
 286 i40e_pf_host_process_cmd_get_vf_resource(struct i40e_pf_vf *vf)
 287 {
 288         struct i40e_virtchnl_vf_resource *vf_res = NULL;
 289         struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
 290         uint32_t len = 0;
 291         int ret = I40E_SUCCESS;
 292
 293         /* only have 1 VSI by default */
 294         len =  sizeof(struct i40e_virtchnl_vf_resource) +
 295                                 I40E_DEFAULT_VF_VSI_NUM *
 296                 sizeof(struct i40e_virtchnl_vsi_resource);
 297
 298         vf_res = rte_zmalloc("i40e_vf_res", len, 0);
 299         if (vf_res == NULL) {
 300                 PMD_DRV_LOG(ERR, "failed to allocate mem");
 301                 ret = I40E_ERR_NO_MEMORY;
 302                 vf_res = NULL;
 303                 len = 0;
 304                 goto send_msg;
 305         }
 306
 307         vf_res->vf_offload_flags = I40E_VIRTCHNL_VF_OFFLOAD_L2 |
 308                                 I40E_VIRTCHNL_VF_OFFLOAD_VLAN;
 309         vf_res->max_vectors = hw->func_caps.num_msix_vectors_vf;
 310         vf_res->num_queue_pairs = vf->vsi->nb_qps;
 311         vf_res->num_vsis = I40E_DEFAULT_VF_VSI_NUM;
 312
 313         /* Change below setting if PF host can support more VSIs for VF */
 314         vf_res->vsi_res[0].vsi_type = I40E_VSI_SRIOV;
 315         /* As assume Vf only has single VSI now, always return 0 */
 316         vf_res->vsi_res[0].vsi_id = 0;
 317         vf_res->vsi_res[0].num_queue_pairs = vf->vsi->nb_qps;
 318
 319 send_msg:
 320         i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_VF_RESOURCES,
 321                                         ret, (uint8_t *)vf_res, len);
 322         rte_free(vf_res);
 323
 324         return ret;
 325 }
 326
 327 static int
 328 i40e_pf_host_hmc_config_rxq(struct i40e_hw *hw,
 329                             struct i40e_pf_vf *vf,
 330                             struct i40e_virtchnl_rxq_info *rxq,
 331                             uint8_t crcstrip)
 332 {
 333         int err = I40E_SUCCESS;
 334         struct i40e_hmc_obj_rxq rx_ctx;
 335         uint16_t abs_queue_id = vf->vsi->base_queue + rxq->queue_id;
 336
 337         /* Clear the context structure first */
 338         memset(&rx_ctx, 0, sizeof(struct i40e_hmc_obj_rxq));
 339         rx_ctx.dbuff = rxq->databuffer_size >> I40E_RXQ_CTX_DBUFF_SHIFT;
 340         rx_ctx.hbuff = rxq->hdr_size >> I40E_RXQ_CTX_HBUFF_SHIFT;
 341         rx_ctx.base = rxq->dma_ring_addr / I40E_QUEUE_BASE_ADDR_UNIT;
 342         rx_ctx.qlen = rxq->ring_len;
 343 #ifndef RTE_LIBRTE_I40E_16BYTE_RX_DESC
 344         rx_ctx.dsize = 1;
 345 #endif
 346
 347         if (rxq->splithdr_enabled) {
 348                 rx_ctx.hsplit_0 = I40E_HEADER_SPLIT_ALL;
 349                 rx_ctx.dtype = i40e_header_split_enabled;
 350         } else {
 351                 rx_ctx.hsplit_0 = I40E_HEADER_SPLIT_NONE;
 352                 rx_ctx.dtype = i40e_header_split_none;
 353         }
 354         rx_ctx.rxmax = rxq->max_pkt_size;
 355         rx_ctx.tphrdesc_ena = 1;
 356         rx_ctx.tphwdesc_ena = 1;
 357         rx_ctx.tphdata_ena = 1;
 358         rx_ctx.tphhead_ena = 1;
 359         rx_ctx.lrxqthresh = 2;
 360         rx_ctx.crcstrip = crcstrip;
 361         rx_ctx.l2tsel = 1;
 362         rx_ctx.prefena = 1;
 363
 364         err = i40e_clear_lan_rx_queue_context(hw, abs_queue_id);
 365         if (err != I40E_SUCCESS)
 366                 return err;
 367         err = i40e_set_lan_rx_queue_context(hw, abs_queue_id, &rx_ctx);
 368
 369         return err;
 370 }
 371
 372 static int
 373 i40e_pf_host_hmc_config_txq(struct i40e_hw *hw,
 374                             struct i40e_pf_vf *vf,
 375                             struct i40e_virtchnl_txq_info *txq)
 376 {
 377         int err = I40E_SUCCESS;
 378         struct i40e_hmc_obj_txq tx_ctx;
 379         uint32_t qtx_ctl;
 380         uint16_t abs_queue_id = vf->vsi->base_queue + txq->queue_id;
 381
 382
 383         /* clear the context structure first */
 384         memset(&tx_ctx, 0, sizeof(tx_ctx));
 385         tx_ctx.new_context = 1;
 386         tx_ctx.base = txq->dma_ring_addr / I40E_QUEUE_BASE_ADDR_UNIT;
 387         tx_ctx.qlen = txq->ring_len;
 388         tx_ctx.rdylist = rte_le_to_cpu_16(vf->vsi->info.qs_handle[0]);
 389         err = i40e_clear_lan_tx_queue_context(hw, abs_queue_id);
 390         if (err != I40E_SUCCESS)
 391                 return err;
 392
 393         err = i40e_set_lan_tx_queue_context(hw, abs_queue_id, &tx_ctx);
 394         if (err != I40E_SUCCESS)
 395                 return err;
 396
 397         /* bind queue with VF function, since TX/QX will appear in pair,
 398          * so only has QTX_CTL to set.
 399          */
 400         qtx_ctl = (I40E_QTX_CTL_VF_QUEUE << I40E_QTX_CTL_PFVF_Q_SHIFT) |
 401                                 ((hw->pf_id << I40E_QTX_CTL_PF_INDX_SHIFT) &
 402                                 I40E_QTX_CTL_PF_INDX_MASK) |
 403                                 (((vf->vf_idx + hw->func_caps.vf_base_id) <<
 404                                 I40E_QTX_CTL_VFVM_INDX_SHIFT) &
 405                                 I40E_QTX_CTL_VFVM_INDX_MASK);
 406         I40E_WRITE_REG(hw, I40E_QTX_CTL(abs_queue_id), qtx_ctl);
 407         I40E_WRITE_FLUSH(hw);
 408
 409         return I40E_SUCCESS;
 410 }
 411
 412 static int
 413 i40e_pf_host_process_cmd_config_vsi_queues(struct i40e_pf_vf *vf,
 414                                            uint8_t *msg,
 415                                            uint16_t msglen)
 416 {
 417         struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
 418         struct i40e_vsi *vsi = vf->vsi;
 419         struct i40e_virtchnl_vsi_queue_config_info *vc_vqci =
 420                 (struct i40e_virtchnl_vsi_queue_config_info *)msg;
 421         struct i40e_virtchnl_queue_pair_info *vc_qpi;
 422         int i, ret = I40E_SUCCESS;
 423
 424         if (!msg || vc_vqci->num_queue_pairs > vsi->nb_qps ||
 425                 vc_vqci->num_queue_pairs > I40E_MAX_VSI_QP ||
 426                 msglen < I40E_VIRTCHNL_CONFIG_VSI_QUEUES_SIZE(vc_vqci,
 427                                         vc_vqci->num_queue_pairs)) {
 428                 PMD_DRV_LOG(ERR, "vsi_queue_config_info argument wrong\n");
 429                 ret = I40E_ERR_PARAM;
 430                 goto send_msg;
 431         }
 432
 433         vc_qpi = vc_vqci->qpair;
 434         for (i = 0; i < vc_vqci->num_queue_pairs; i++) {
 435                 if (vc_qpi[i].rxq.queue_id > vsi->nb_qps - 1 ||
 436                         vc_qpi[i].txq.queue_id > vsi->nb_qps - 1) {
 437                         ret = I40E_ERR_PARAM;
 438                         goto send_msg;
 439                 }
 440
 441                 /*
 442                  * Apply VF RX queue setting to HMC.
 443                  * If the opcode is I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES_EXT,
 444                  * then the extra information of
 445                  * 'struct i40e_virtchnl_queue_pair_extra_info' is needed,
 446                  * otherwise set the last parameter to NULL.
 447                  */
 448                 if (i40e_pf_host_hmc_config_rxq(hw, vf, &vc_qpi[i].rxq,
 449                         I40E_CFG_CRCSTRIP_DEFAULT) != I40E_SUCCESS) {
 450                         PMD_DRV_LOG(ERR, "Configure RX queue HMC failed");
 451                         ret = I40E_ERR_PARAM;
 452                         goto send_msg;
 453                 }
 454
 455                 /* Apply VF TX queue setting to HMC */
 456                 if (i40e_pf_host_hmc_config_txq(hw, vf,
 457                         &vc_qpi[i].txq) != I40E_SUCCESS) {
 458                         PMD_DRV_LOG(ERR, "Configure TX queue HMC failed");
 459                         ret = I40E_ERR_PARAM;
 460                         goto send_msg;
 461                 }
 462         }
 463
 464 send_msg:
 465         i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES,
 466                                                         ret, NULL, 0);
 467
 468         return ret;
 469 }
 470
 471 static int
 472 i40e_pf_host_process_cmd_config_vsi_queues_ext(struct i40e_pf_vf *vf,
 473                                                uint8_t *msg,
 474                                                uint16_t msglen)
 475 {
 476         struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
 477         struct i40e_vsi *vsi = vf->vsi;
 478         struct i40e_virtchnl_vsi_queue_config_ext_info *vc_vqcei =
 479                 (struct i40e_virtchnl_vsi_queue_config_ext_info *)msg;
 480         struct i40e_virtchnl_queue_pair_ext_info *vc_qpei;
 481         int i, ret = I40E_SUCCESS;
 482
 483         if (!msg || vc_vqcei->num_queue_pairs > vsi->nb_qps ||
 484                 vc_vqcei->num_queue_pairs > I40E_MAX_VSI_QP ||
 485                 msglen < I40E_VIRTCHNL_CONFIG_VSI_QUEUES_SIZE(vc_vqcei,
 486                                         vc_vqcei->num_queue_pairs)) {
 487                 PMD_DRV_LOG(ERR, "vsi_queue_config_ext_info argument wrong\n");
 488                 ret = I40E_ERR_PARAM;
 489                 goto send_msg;
 490         }
 491
 492         vc_qpei = vc_vqcei->qpair;
 493         for (i = 0; i < vc_vqcei->num_queue_pairs; i++) {
 494                 if (vc_qpei[i].rxq.queue_id > vsi->nb_qps - 1 ||
 495                         vc_qpei[i].txq.queue_id > vsi->nb_qps - 1) {
 496                         ret = I40E_ERR_PARAM;
 497                         goto send_msg;
 498                 }
 499                 /*
 500                  * Apply VF RX queue setting to HMC.
 501                  * If the opcode is I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES_EXT,
 502                  * then the extra information of
 503                  * 'struct i40e_virtchnl_queue_pair_ext_info' is needed,
 504                  * otherwise set the last parameter to NULL.
 505                  */
 506                 if (i40e_pf_host_hmc_config_rxq(hw, vf, &vc_qpei[i].rxq,
 507                         vc_qpei[i].rxq_ext.crcstrip) != I40E_SUCCESS) {
 508                         PMD_DRV_LOG(ERR, "Configure RX queue HMC failed");
 509                         ret = I40E_ERR_PARAM;
 510                         goto send_msg;
 511                 }
 512
 513                 /* Apply VF TX queue setting to HMC */
 514                 if (i40e_pf_host_hmc_config_txq(hw, vf, &vc_qpei[i].txq) !=
 515                                                         I40E_SUCCESS) {
 516                         PMD_DRV_LOG(ERR, "Configure TX queue HMC failed");
 517                         ret = I40E_ERR_PARAM;
 518                         goto send_msg;
 519                 }
 520         }
 521
 522 send_msg:
 523         i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES_EXT,
 524                                                                 ret, NULL, 0);
 525
 526         return ret;
 527 }
 528
 529 static int
 530 i40e_pf_host_process_cmd_config_irq_map(struct i40e_pf_vf *vf,
 531                                         uint8_t *msg, uint16_t msglen)
 532 {
 533         int ret = I40E_SUCCESS;
 534         struct i40e_virtchnl_irq_map_info *irqmap =
 535             (struct i40e_virtchnl_irq_map_info *)msg;
 536
 537         if (msg == NULL || msglen < sizeof(struct i40e_virtchnl_irq_map_info)) {
 538                 PMD_DRV_LOG(ERR, "buffer too short");
 539                 ret = I40E_ERR_PARAM;
 540                 goto send_msg;
 541         }
 542
 543         /* Assume VF only have 1 vector to bind all queues */
 544         if (irqmap->num_vectors != 1) {
 545                 PMD_DRV_LOG(ERR, "DKDK host only support 1 vector");
 546                 ret = I40E_ERR_PARAM;
 547                 goto send_msg;
 548         }
 549
 550         /* This MSIX intr store the intr in VF range */
 551         vf->vsi->msix_intr = irqmap->vecmap[0].vector_id;
 552         vf->vsi->nb_msix = irqmap->num_vectors;
 553         vf->vsi->nb_used_qps = vf->vsi->nb_qps;
 554
 555         /* Don't care how the TX/RX queue mapping with this vector.
 556          * Link all VF RX queues together. Only did mapping work.
 557          * VF can disable/enable the intr by itself.
 558          */
 559         i40e_vsi_queues_bind_intr(vf->vsi);
 560 send_msg:
 561         i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP,
 562                                                         ret, NULL, 0);
 563
 564         return ret;
 565 }
 566
 567 static int
 568 i40e_pf_host_switch_queues(struct i40e_pf_vf *vf,
 569                            struct i40e_virtchnl_queue_select *qsel,
 570                            bool on)
 571 {
 572         int ret = I40E_SUCCESS;
 573         int i;
 574         struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
 575         uint16_t baseq = vf->vsi->base_queue;
 576
 577         if (qsel->rx_queues + qsel->tx_queues == 0)
 578                 return I40E_ERR_PARAM;
 579
 580         /* always enable RX first and disable last */
 581         /* Enable RX if it's enable */
 582         if (on) {
 583                 for (i = 0; i < I40E_MAX_QP_NUM_PER_VF; i++)
 584                         if (qsel->rx_queues & (1 << i)) {
 585                                 ret = i40e_switch_rx_queue(hw, baseq + i, on);
 586                                 if (ret != I40E_SUCCESS)
 587                                         return ret;
 588                         }
 589         }
 590
 591         /* Enable/Disable TX */
 592         for (i = 0; i < I40E_MAX_QP_NUM_PER_VF; i++)
 593                 if (qsel->tx_queues & (1 << i)) {
 594                         ret = i40e_switch_tx_queue(hw, baseq + i, on);
 595                         if (ret != I40E_SUCCESS)
 596                                 return ret;
 597                 }
 598
 599         /* disable RX last if it's disable */
 600         if (!on) {
 601                 /* disable RX */
 602                 for (i = 0; i < I40E_MAX_QP_NUM_PER_VF; i++)
 603                         if (qsel->rx_queues & (1 << i)) {
 604                                 ret = i40e_switch_rx_queue(hw, baseq + i, on);
 605                                 if (ret != I40E_SUCCESS)
 606                                         return ret;
 607                         }
 608         }
 609
 610         return ret;
 611 }
 612
 613 static int
 614 i40e_pf_host_process_cmd_enable_queues(struct i40e_pf_vf *vf,
 615                                        uint8_t *msg,
 616                                        uint16_t msglen)
 617 {
 618         int ret = I40E_SUCCESS;
 619         struct i40e_virtchnl_queue_select *q_sel =
 620                 (struct i40e_virtchnl_queue_select *)msg;
 621
 622         if (msg == NULL || msglen != sizeof(*q_sel)) {
 623                 ret = I40E_ERR_PARAM;
 624                 goto send_msg;
 625         }
 626         ret = i40e_pf_host_switch_queues(vf, q_sel, true);
 627
 628 send_msg:
 629         i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_ENABLE_QUEUES,
 630                                                         ret, NULL, 0);
 631
 632         return ret;
 633 }
 634
 635 static int
 636 i40e_pf_host_process_cmd_disable_queues(struct i40e_pf_vf *vf,
 637                                         uint8_t *msg,
 638                                         uint16_t msglen)
 639 {
 640         int ret = I40E_SUCCESS;
 641         struct i40e_virtchnl_queue_select *q_sel =
 642                 (struct i40e_virtchnl_queue_select *)msg;
 643
 644         if (msg == NULL || msglen != sizeof(*q_sel)) {
 645                 ret = I40E_ERR_PARAM;
 646                 goto send_msg;
 647         }
 648         ret = i40e_pf_host_switch_queues(vf, q_sel, false);
 649
 650 send_msg:
 651         i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_DISABLE_QUEUES,
 652                                                         ret, NULL, 0);
 653
 654         return ret;
 655 }
 656
 657
 658 static int
 659 i40e_pf_host_process_cmd_add_ether_address(struct i40e_pf_vf *vf,
 660                                            uint8_t *msg,
 661                                            uint16_t msglen)
 662 {
 663         int ret = I40E_SUCCESS;
 664         struct i40e_virtchnl_ether_addr_list *addr_list =
 665                         (struct i40e_virtchnl_ether_addr_list *)msg;
 666         struct i40e_mac_filter_info filter;
 667         int i;
 668         struct ether_addr *mac;
 669
 670         memset(&filter, 0 , sizeof(struct i40e_mac_filter_info));
 671
 672         if (msg == NULL || msglen <= sizeof(*addr_list)) {
 673                 PMD_DRV_LOG(ERR, "add_ether_address argument too short");
 674                 ret = I40E_ERR_PARAM;
 675                 goto send_msg;
 676         }
 677
 678         for (i = 0; i < addr_list->num_elements; i++) {
 679                 mac = (struct ether_addr *)(addr_list->list[i].addr);
 680                 (void)rte_memcpy(&filter.mac_addr, mac, ETHER_ADDR_LEN);
 681                 filter.filter_type = RTE_MACVLAN_PERFECT_MATCH;
 682                 if(!is_valid_assigned_ether_addr(mac) ||
 683                         i40e_vsi_add_mac(vf->vsi, &filter)) {
 684                         ret = I40E_ERR_INVALID_MAC_ADDR;
 685                         goto send_msg;
 686                 }
 687         }
 688
 689 send_msg:
 690         i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS,
 691                                                         ret, NULL, 0);
 692
 693         return ret;
 694 }
 695
 696 static int
 697 i40e_pf_host_process_cmd_del_ether_address(struct i40e_pf_vf *vf,
 698                                            uint8_t *msg,
 699                                            uint16_t msglen)
 700 {
 701         int ret = I40E_SUCCESS;
 702         struct i40e_virtchnl_ether_addr_list *addr_list =
 703                 (struct i40e_virtchnl_ether_addr_list *)msg;
 704         int i;
 705         struct ether_addr *mac;
 706
 707         if (msg == NULL || msglen <= sizeof(*addr_list)) {
 708                 PMD_DRV_LOG(ERR, "delete_ether_address argument too short");
 709                 ret = I40E_ERR_PARAM;
 710                 goto send_msg;
 711         }
 712
 713         for (i = 0; i < addr_list->num_elements; i++) {
 714                 mac = (struct ether_addr *)(addr_list->list[i].addr);
 715                 if(!is_valid_assigned_ether_addr(mac) ||
 716                         i40e_vsi_delete_mac(vf->vsi, mac)) {
 717                         ret = I40E_ERR_INVALID_MAC_ADDR;
 718                         goto send_msg;
 719                 }
 720         }
 721
 722 send_msg:
 723         i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS,
 724                                                         ret, NULL, 0);
 725
 726         return ret;
 727 }
 728
 729 static int
 730 i40e_pf_host_process_cmd_add_vlan(struct i40e_pf_vf *vf,
 731                                 uint8_t *msg, uint16_t msglen)
 732 {
 733         int ret = I40E_SUCCESS;
 734         struct i40e_virtchnl_vlan_filter_list *vlan_filter_list =
 735                 (struct i40e_virtchnl_vlan_filter_list *)msg;
 736         int i;
 737         uint16_t *vid;
 738
 739         if (msg == NULL || msglen <= sizeof(*vlan_filter_list)) {
 740                 PMD_DRV_LOG(ERR, "add_vlan argument too short");
 741                 ret = I40E_ERR_PARAM;
 742                 goto send_msg;
 743         }
 744
 745         vid = vlan_filter_list->vlan_id;
 746
 747         for (i = 0; i < vlan_filter_list->num_elements; i++) {
 748                 ret = i40e_vsi_add_vlan(vf->vsi, vid[i]);
 749                 if(ret != I40E_SUCCESS)
 750                         goto send_msg;
 751         }
 752
 753 send_msg:
 754         i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_ADD_VLAN,
 755                                                 ret, NULL, 0);
 756
 757         return ret;
 758 }
 759
 760 static int
 761 i40e_pf_host_process_cmd_del_vlan(struct i40e_pf_vf *vf,
 762                                   uint8_t *msg,
 763                                   uint16_t msglen)
 764 {
 765         int ret = I40E_SUCCESS;
 766         struct i40e_virtchnl_vlan_filter_list *vlan_filter_list =
 767                         (struct i40e_virtchnl_vlan_filter_list *)msg;
 768         int i;
 769         uint16_t *vid;
 770
 771         if (msg == NULL || msglen <= sizeof(*vlan_filter_list)) {
 772                 PMD_DRV_LOG(ERR, "delete_vlan argument too short");
 773                 ret = I40E_ERR_PARAM;
 774                 goto send_msg;
 775         }
 776
 777         vid = vlan_filter_list->vlan_id;
 778         for (i = 0; i < vlan_filter_list->num_elements; i++) {
 779                 ret = i40e_vsi_delete_vlan(vf->vsi, vid[i]);
 780                 if(ret != I40E_SUCCESS)
 781                         goto send_msg;
 782         }
 783
 784 send_msg:
 785         i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_DEL_VLAN,
 786                                                 ret, NULL, 0);
 787
 788         return ret;
 789 }
 790
 791 static int
 792 i40e_pf_host_process_cmd_config_promisc_mode(
 793                                         struct i40e_pf_vf *vf,
 794                                         uint8_t *msg,
 795                                         uint16_t msglen)
 796 {
 797         int ret = I40E_SUCCESS;
 798         struct i40e_virtchnl_promisc_info *promisc =
 799                                 (struct i40e_virtchnl_promisc_info *)msg;
 800         struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
 801         bool unicast = FALSE, multicast = FALSE;
 802
 803         if (msg == NULL || msglen != sizeof(*promisc)) {
 804                 ret = I40E_ERR_PARAM;
 805                 goto send_msg;
 806         }
 807
 808         if (promisc->flags & I40E_FLAG_VF_UNICAST_PROMISC)
 809                 unicast = TRUE;
 810         ret = i40e_aq_set_vsi_unicast_promiscuous(hw,
 811                         vf->vsi->seid, unicast, NULL);
 812         if (ret != I40E_SUCCESS)
 813                 goto send_msg;
 814
 815         if (promisc->flags & I40E_FLAG_VF_MULTICAST_PROMISC)
 816                 multicast = TRUE;
 817         ret = i40e_aq_set_vsi_multicast_promiscuous(hw, vf->vsi->seid,
 818                                                 multicast, NULL);
 819
 820 send_msg:
 821         i40e_pf_host_send_msg_to_vf(vf,
 822                 I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE, ret, NULL, 0);
 823
 824         return ret;
 825 }
 826
 827 static int
 828 i40e_pf_host_process_cmd_get_stats(struct i40e_pf_vf *vf)
 829 {
 830         i40e_update_vsi_stats(vf->vsi);
 831
 832         i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_STATS,
 833                 I40E_SUCCESS, (uint8_t *)&vf->vsi->eth_stats,
 834                                 sizeof(vf->vsi->eth_stats));
 835
 836         return I40E_SUCCESS;
 837 }
 838
 839 static void
 840 i40e_pf_host_process_cmd_get_link_status(struct i40e_pf_vf *vf)
 841 {
 842         struct rte_eth_dev *dev = I40E_VSI_TO_ETH_DEV(vf->pf->main_vsi);
 843
 844         /* Update link status first to acquire latest link change */
 845         i40e_dev_link_update(dev, 1);
 846         i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_LINK_STAT,
 847                 I40E_SUCCESS, (uint8_t *)&dev->data->dev_link,
 848                                 sizeof(struct rte_eth_link));
 849 }
 850
 851 static int
 852 i40e_pf_host_process_cmd_cfg_vlan_offload(
 853                                         struct i40e_pf_vf *vf,
 854                                         uint8_t *msg,
 855                                         uint16_t msglen)
 856 {
 857         int ret = I40E_SUCCESS;
 858         struct i40e_virtchnl_vlan_offload_info *offload =
 859                         (struct i40e_virtchnl_vlan_offload_info *)msg;
 860
 861         if (msg == NULL || msglen != sizeof(*offload)) {
 862                 ret = I40E_ERR_PARAM;
 863                 goto send_msg;
 864         }
 865
 866         ret = i40e_vsi_config_vlan_stripping(vf->vsi,
 867                                                 !!offload->enable_vlan_strip);
 868         if (ret != 0)
 869                 PMD_DRV_LOG(ERR, "Failed to configure vlan stripping");
 870
 871 send_msg:
 872         i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_CFG_VLAN_OFFLOAD,
 873                                         ret, NULL, 0);
 874
 875         return ret;
 876 }
 877
 878 static int
 879 i40e_pf_host_process_cmd_cfg_pvid(struct i40e_pf_vf *vf,
 880                                         uint8_t *msg,
 881                                         uint16_t msglen)
 882 {
 883         int ret = I40E_SUCCESS;
 884         struct i40e_virtchnl_pvid_info  *tpid_info =
 885                         (struct i40e_virtchnl_pvid_info *)msg;
 886
 887         if (msg == NULL || msglen != sizeof(*tpid_info)) {
 888                 ret = I40E_ERR_PARAM;
 889                 goto send_msg;
 890         }
 891
 892         ret = i40e_vsi_vlan_pvid_set(vf->vsi, &tpid_info->info);
 893
 894 send_msg:
 895         i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_CFG_VLAN_PVID,
 896                                         ret, NULL, 0);
 897
 898         return ret;
 899 }
 900
 901 void
 902 i40e_pf_host_handle_vf_msg(struct rte_eth_dev *dev,
 903                            uint16_t abs_vf_id, uint32_t opcode,
 904                            __rte_unused uint32_t retval,
 905                            uint8_t *msg,
 906                            uint16_t msglen)
 907 {
 908         struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
 909         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 910         struct i40e_pf_vf *vf;
 911         /* AdminQ will pass absolute VF id, transfer to internal vf id */
 912         uint16_t vf_id = abs_vf_id - hw->func_caps.vf_base_id;
 913
 914         if (!dev || vf_id > pf->vf_num - 1 || !pf->vfs) {
 915                 PMD_DRV_LOG(ERR, "invalid argument");
 916                 return;
 917         }
 918
 919         vf = &pf->vfs[vf_id];
 920         if (!vf->vsi) {
 921                 PMD_DRV_LOG(ERR, "NO VSI associated with VF found");
 922                 i40e_pf_host_send_msg_to_vf(vf, opcode,
 923                         I40E_ERR_NO_AVAILABLE_VSI, NULL, 0);
 924                 return;
 925         }
 926
 927         switch (opcode) {
 928         case I40E_VIRTCHNL_OP_VERSION :
 929                 PMD_DRV_LOG(INFO, "OP_VERSION received");
 930                 i40e_pf_host_process_cmd_version(vf);
 931                 break;
 932         case I40E_VIRTCHNL_OP_RESET_VF :
 933                 PMD_DRV_LOG(INFO, "OP_RESET_VF received");
 934                 i40e_pf_host_process_cmd_reset_vf(vf);
 935                 break;
 936         case I40E_VIRTCHNL_OP_GET_VF_RESOURCES:
 937                 PMD_DRV_LOG(INFO, "OP_GET_VF_RESOURCES received");
 938                 i40e_pf_host_process_cmd_get_vf_resource(vf);
 939                 break;
 940         case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES:
 941                 PMD_DRV_LOG(INFO, "OP_CONFIG_VSI_QUEUES received");
 942                 i40e_pf_host_process_cmd_config_vsi_queues(vf, msg, msglen);
 943                 break;
 944         case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES_EXT:
 945                 PMD_DRV_LOG(INFO, "OP_CONFIG_VSI_QUEUES_EXT received");
 946                 i40e_pf_host_process_cmd_config_vsi_queues_ext(vf, msg,
 947                                                                 msglen);
 948                 break;
 949         case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP:
 950                 PMD_DRV_LOG(INFO, "OP_CONFIG_IRQ_MAP received");
 951                 i40e_pf_host_process_cmd_config_irq_map(vf, msg, msglen);
 952                 break;
 953         case I40E_VIRTCHNL_OP_ENABLE_QUEUES:
 954                 PMD_DRV_LOG(INFO, "OP_ENABLE_QUEUES received");
 955                 i40e_pf_host_process_cmd_enable_queues(vf, msg, msglen);
 956                 break;
 957         case I40E_VIRTCHNL_OP_DISABLE_QUEUES:
 958                 PMD_DRV_LOG(INFO, "OP_DISABLE_QUEUE received");
 959                 i40e_pf_host_process_cmd_disable_queues(vf, msg, msglen);
 960                 break;
 961         case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS:
 962                 PMD_DRV_LOG(INFO, "OP_ADD_ETHER_ADDRESS received");
 963                 i40e_pf_host_process_cmd_add_ether_address(vf, msg, msglen);
 964                 break;
 965         case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS:
 966                 PMD_DRV_LOG(INFO, "OP_DEL_ETHER_ADDRESS received");
 967                 i40e_pf_host_process_cmd_del_ether_address(vf, msg, msglen);
 968                 break;
 969         case I40E_VIRTCHNL_OP_ADD_VLAN:
 970                 PMD_DRV_LOG(INFO, "OP_ADD_VLAN received");
 971                 i40e_pf_host_process_cmd_add_vlan(vf, msg, msglen);
 972                 break;
 973         case I40E_VIRTCHNL_OP_DEL_VLAN:
 974                 PMD_DRV_LOG(INFO, "OP_DEL_VLAN received");
 975                 i40e_pf_host_process_cmd_del_vlan(vf, msg, msglen);
 976                 break;
 977         case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
 978                 PMD_DRV_LOG(INFO, "OP_CONFIG_PROMISCUOUS_MODE received");
 979                 i40e_pf_host_process_cmd_config_promisc_mode(vf, msg, msglen);
 980                 break;
 981         case I40E_VIRTCHNL_OP_GET_STATS:
 982                 PMD_DRV_LOG(INFO, "OP_GET_STATS received");
 983                 i40e_pf_host_process_cmd_get_stats(vf);
 984                 break;
 985         case I40E_VIRTCHNL_OP_GET_LINK_STAT:
 986                 PMD_DRV_LOG(INFO, "OP_GET_LINK_STAT received");
 987                 i40e_pf_host_process_cmd_get_link_status(vf);
 988                 break;
 989         case I40E_VIRTCHNL_OP_CFG_VLAN_OFFLOAD:
 990                 PMD_DRV_LOG(INFO, "OP_CFG_VLAN_OFFLOAD received");
 991                 i40e_pf_host_process_cmd_cfg_vlan_offload(vf, msg, msglen);
 992                 break;
 993         case I40E_VIRTCHNL_OP_CFG_VLAN_PVID:
 994                 PMD_DRV_LOG(INFO, "OP_CFG_VLAN_PVID received");
 995                 i40e_pf_host_process_cmd_cfg_pvid(vf, msg, msglen);
 996                 break;
 997          /* Don't add command supported below, which will
 998          *  return an error code.
 999          */
1000         case I40E_VIRTCHNL_OP_FCOE:
1001                 PMD_DRV_LOG(ERR, "OP_FCOE received, not supported");
1002         default:
1003                 PMD_DRV_LOG(ERR, "%u received, not supported", opcode);
1004                 i40e_pf_host_send_msg_to_vf(vf, opcode, I40E_ERR_PARAM,
1005                                                                 NULL, 0);
1006                 break;
1007         }
1008 }
1009
1010 int
1011 i40e_pf_host_init(struct rte_eth_dev *dev)
1012 {
1013         struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
1014         struct i40e_hw *hw = I40E_PF_TO_HW(pf);
1015         int ret, i;
1016         uint32_t val;
1017
1018         PMD_INIT_FUNC_TRACE();
1019
1020         /**
1021          * return if SRIOV not enabled, VF number not configured or
1022          * no queue assigned.
1023          */
1024         if(!hw->func_caps.sr_iov_1_1 || pf->vf_num == 0 || pf->vf_nb_qps == 0)
1025                 return I40E_SUCCESS;
1026
1027         /* Allocate memory to store VF structure */
1028         pf->vfs = rte_zmalloc("i40e_pf_vf",sizeof(*pf->vfs) * pf->vf_num, 0);
1029         if(pf->vfs == NULL)
1030                 return -ENOMEM;
1031
1032         /* Disable irq0 for VFR event */
1033         i40e_pf_disable_irq0(hw);
1034
1035         /* Disable VF link status interrupt */
1036         val = I40E_READ_REG(hw, I40E_PFGEN_PORTMDIO_NUM);
1037         val &= ~I40E_PFGEN_PORTMDIO_NUM_VFLINK_STAT_ENA_MASK;
1038         I40E_WRITE_REG(hw, I40E_PFGEN_PORTMDIO_NUM, val);
1039         I40E_WRITE_FLUSH(hw);
1040
1041         for (i = 0; i < pf->vf_num; i++) {
1042                 pf->vfs[i].pf = pf;
1043                 pf->vfs[i].state = I40E_VF_INACTIVE;
1044                 pf->vfs[i].vf_idx = i;
1045                 ret = i40e_pf_host_vf_reset(&pf->vfs[i], 0);
1046                 if (ret != I40E_SUCCESS)
1047                         goto fail;
1048         }
1049
1050         /* restore irq0 */
1051         i40e_pf_enable_irq0(hw);
1052
1053         return I40E_SUCCESS;
1054
1055 fail:
1056         rte_free(pf->vfs);
1057         i40e_pf_enable_irq0(hw);
1058
1059         return ret;
1060 }
1061
1062 int
1063 i40e_pf_host_uninit(struct rte_eth_dev *dev)
1064 {
1065         struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
1066         struct i40e_hw *hw = I40E_PF_TO_HW(pf);
1067         uint32_t val;
1068
1069         PMD_INIT_FUNC_TRACE();
1070
1071         /**
1072          * return if SRIOV not enabled, VF number not configured or
1073          * no queue assigned.
1074          */
1075         if ((!hw->func_caps.sr_iov_1_1) ||
1076                 (pf->vf_num == 0) ||
1077                 (pf->vf_nb_qps == 0))
1078                 return I40E_SUCCESS;
1079
1080         /* free memory to store VF structure */
1081         rte_free(pf->vfs);
1082         pf->vfs = NULL;
1083
1084         /* Disable irq0 for VFR event */
1085         i40e_pf_disable_irq0(hw);
1086
1087         /* Disable VF link status interrupt */
1088         val = I40E_READ_REG(hw, I40E_PFGEN_PORTMDIO_NUM);
1089         val &= ~I40E_PFGEN_PORTMDIO_NUM_VFLINK_STAT_ENA_MASK;
1090         I40E_WRITE_REG(hw, I40E_PFGEN_PORTMDIO_NUM, val);
1091         I40E_WRITE_FLUSH(hw);
1092
1093         return I40E_SUCCESS;
1094 }