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         if (irqmap->vecmap[0].vector_id == 0) {
 551                 PMD_DRV_LOG(ERR, "DPDK host don't support use IRQ0");
 552                 ret = I40E_ERR_PARAM;
 553                 goto send_msg;
 554         }
 555         /* This MSIX intr store the intr in VF range */
 556         vf->vsi->msix_intr = irqmap->vecmap[0].vector_id;
 557         vf->vsi->nb_msix = irqmap->num_vectors;
 558         vf->vsi->nb_used_qps = vf->vsi->nb_qps;
 559
 560         /* Don't care how the TX/RX queue mapping with this vector.
 561          * Link all VF RX queues together. Only did mapping work.
 562          * VF can disable/enable the intr by itself.
 563          */
 564         i40e_vsi_queues_bind_intr(vf->vsi);
 565 send_msg:
 566         i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP,
 567                                                         ret, NULL, 0);
 568
 569         return ret;
 570 }
 571
 572 static int
 573 i40e_pf_host_switch_queues(struct i40e_pf_vf *vf,
 574                            struct i40e_virtchnl_queue_select *qsel,
 575                            bool on)
 576 {
 577         int ret = I40E_SUCCESS;
 578         int i;
 579         struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
 580         uint16_t baseq = vf->vsi->base_queue;
 581
 582         if (qsel->rx_queues + qsel->tx_queues == 0)
 583                 return I40E_ERR_PARAM;
 584
 585         /* always enable RX first and disable last */
 586         /* Enable RX if it's enable */
 587         if (on) {
 588                 for (i = 0; i < I40E_MAX_QP_NUM_PER_VF; i++)
 589                         if (qsel->rx_queues & (1 << i)) {
 590                                 ret = i40e_switch_rx_queue(hw, baseq + i, on);
 591                                 if (ret != I40E_SUCCESS)
 592                                         return ret;
 593                         }
 594         }
 595
 596         /* Enable/Disable TX */
 597         for (i = 0; i < I40E_MAX_QP_NUM_PER_VF; i++)
 598                 if (qsel->tx_queues & (1 << i)) {
 599                         ret = i40e_switch_tx_queue(hw, baseq + i, on);
 600                         if (ret != I40E_SUCCESS)
 601                                 return ret;
 602                 }
 603
 604         /* disable RX last if it's disable */
 605         if (!on) {
 606                 /* disable RX */
 607                 for (i = 0; i < I40E_MAX_QP_NUM_PER_VF; i++)
 608                         if (qsel->rx_queues & (1 << i)) {
 609                                 ret = i40e_switch_rx_queue(hw, baseq + i, on);
 610                                 if (ret != I40E_SUCCESS)
 611                                         return ret;
 612                         }
 613         }
 614
 615         return ret;
 616 }
 617
 618 static int
 619 i40e_pf_host_process_cmd_enable_queues(struct i40e_pf_vf *vf,
 620                                        uint8_t *msg,
 621                                        uint16_t msglen)
 622 {
 623         int ret = I40E_SUCCESS;
 624         struct i40e_virtchnl_queue_select *q_sel =
 625                 (struct i40e_virtchnl_queue_select *)msg;
 626
 627         if (msg == NULL || msglen != sizeof(*q_sel)) {
 628                 ret = I40E_ERR_PARAM;
 629                 goto send_msg;
 630         }
 631         ret = i40e_pf_host_switch_queues(vf, q_sel, true);
 632
 633 send_msg:
 634         i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_ENABLE_QUEUES,
 635                                                         ret, NULL, 0);
 636
 637         return ret;
 638 }
 639
 640 static int
 641 i40e_pf_host_process_cmd_disable_queues(struct i40e_pf_vf *vf,
 642                                         uint8_t *msg,
 643                                         uint16_t msglen)
 644 {
 645         int ret = I40E_SUCCESS;
 646         struct i40e_virtchnl_queue_select *q_sel =
 647                 (struct i40e_virtchnl_queue_select *)msg;
 648
 649         if (msg == NULL || msglen != sizeof(*q_sel)) {
 650                 ret = I40E_ERR_PARAM;
 651                 goto send_msg;
 652         }
 653         ret = i40e_pf_host_switch_queues(vf, q_sel, false);
 654
 655 send_msg:
 656         i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_DISABLE_QUEUES,
 657                                                         ret, NULL, 0);
 658
 659         return ret;
 660 }
 661
 662
 663 static int
 664 i40e_pf_host_process_cmd_add_ether_address(struct i40e_pf_vf *vf,
 665                                            uint8_t *msg,
 666                                            uint16_t msglen)
 667 {
 668         int ret = I40E_SUCCESS;
 669         struct i40e_virtchnl_ether_addr_list *addr_list =
 670                         (struct i40e_virtchnl_ether_addr_list *)msg;
 671         struct i40e_mac_filter_info filter;
 672         int i;
 673         struct ether_addr *mac;
 674
 675         memset(&filter, 0 , sizeof(struct i40e_mac_filter_info));
 676
 677         if (msg == NULL || msglen <= sizeof(*addr_list)) {
 678                 PMD_DRV_LOG(ERR, "add_ether_address argument too short");
 679                 ret = I40E_ERR_PARAM;
 680                 goto send_msg;
 681         }
 682
 683         for (i = 0; i < addr_list->num_elements; i++) {
 684                 mac = (struct ether_addr *)(addr_list->list[i].addr);
 685                 (void)rte_memcpy(&filter.mac_addr, mac, ETHER_ADDR_LEN);
 686                 filter.filter_type = RTE_MACVLAN_PERFECT_MATCH;
 687                 if(!is_valid_assigned_ether_addr(mac) ||
 688                         i40e_vsi_add_mac(vf->vsi, &filter)) {
 689                         ret = I40E_ERR_INVALID_MAC_ADDR;
 690                         goto send_msg;
 691                 }
 692         }
 693
 694 send_msg:
 695         i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS,
 696                                                         ret, NULL, 0);
 697
 698         return ret;
 699 }
 700
 701 static int
 702 i40e_pf_host_process_cmd_del_ether_address(struct i40e_pf_vf *vf,
 703                                            uint8_t *msg,
 704                                            uint16_t msglen)
 705 {
 706         int ret = I40E_SUCCESS;
 707         struct i40e_virtchnl_ether_addr_list *addr_list =
 708                 (struct i40e_virtchnl_ether_addr_list *)msg;
 709         int i;
 710         struct ether_addr *mac;
 711
 712         if (msg == NULL || msglen <= sizeof(*addr_list)) {
 713                 PMD_DRV_LOG(ERR, "delete_ether_address argument too short");
 714                 ret = I40E_ERR_PARAM;
 715                 goto send_msg;
 716         }
 717
 718         for (i = 0; i < addr_list->num_elements; i++) {
 719                 mac = (struct ether_addr *)(addr_list->list[i].addr);
 720                 if(!is_valid_assigned_ether_addr(mac) ||
 721                         i40e_vsi_delete_mac(vf->vsi, mac)) {
 722                         ret = I40E_ERR_INVALID_MAC_ADDR;
 723                         goto send_msg;
 724                 }
 725         }
 726
 727 send_msg:
 728         i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS,
 729                                                         ret, NULL, 0);
 730
 731         return ret;
 732 }
 733
 734 static int
 735 i40e_pf_host_process_cmd_add_vlan(struct i40e_pf_vf *vf,
 736                                 uint8_t *msg, uint16_t msglen)
 737 {
 738         int ret = I40E_SUCCESS;
 739         struct i40e_virtchnl_vlan_filter_list *vlan_filter_list =
 740                 (struct i40e_virtchnl_vlan_filter_list *)msg;
 741         int i;
 742         uint16_t *vid;
 743
 744         if (msg == NULL || msglen <= sizeof(*vlan_filter_list)) {
 745                 PMD_DRV_LOG(ERR, "add_vlan argument too short");
 746                 ret = I40E_ERR_PARAM;
 747                 goto send_msg;
 748         }
 749
 750         vid = vlan_filter_list->vlan_id;
 751
 752         for (i = 0; i < vlan_filter_list->num_elements; i++) {
 753                 ret = i40e_vsi_add_vlan(vf->vsi, vid[i]);
 754                 if(ret != I40E_SUCCESS)
 755                         goto send_msg;
 756         }
 757
 758 send_msg:
 759         i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_ADD_VLAN,
 760                                                 ret, NULL, 0);
 761
 762         return ret;
 763 }
 764
 765 static int
 766 i40e_pf_host_process_cmd_del_vlan(struct i40e_pf_vf *vf,
 767                                   uint8_t *msg,
 768                                   uint16_t msglen)
 769 {
 770         int ret = I40E_SUCCESS;
 771         struct i40e_virtchnl_vlan_filter_list *vlan_filter_list =
 772                         (struct i40e_virtchnl_vlan_filter_list *)msg;
 773         int i;
 774         uint16_t *vid;
 775
 776         if (msg == NULL || msglen <= sizeof(*vlan_filter_list)) {
 777                 PMD_DRV_LOG(ERR, "delete_vlan argument too short");
 778                 ret = I40E_ERR_PARAM;
 779                 goto send_msg;
 780         }
 781
 782         vid = vlan_filter_list->vlan_id;
 783         for (i = 0; i < vlan_filter_list->num_elements; i++) {
 784                 ret = i40e_vsi_delete_vlan(vf->vsi, vid[i]);
 785                 if(ret != I40E_SUCCESS)
 786                         goto send_msg;
 787         }
 788
 789 send_msg:
 790         i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_DEL_VLAN,
 791                                                 ret, NULL, 0);
 792
 793         return ret;
 794 }
 795
 796 static int
 797 i40e_pf_host_process_cmd_config_promisc_mode(
 798                                         struct i40e_pf_vf *vf,
 799                                         uint8_t *msg,
 800                                         uint16_t msglen)
 801 {
 802         int ret = I40E_SUCCESS;
 803         struct i40e_virtchnl_promisc_info *promisc =
 804                                 (struct i40e_virtchnl_promisc_info *)msg;
 805         struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
 806         bool unicast = FALSE, multicast = FALSE;
 807
 808         if (msg == NULL || msglen != sizeof(*promisc)) {
 809                 ret = I40E_ERR_PARAM;
 810                 goto send_msg;
 811         }
 812
 813         if (promisc->flags & I40E_FLAG_VF_UNICAST_PROMISC)
 814                 unicast = TRUE;
 815         ret = i40e_aq_set_vsi_unicast_promiscuous(hw,
 816                         vf->vsi->seid, unicast, NULL);
 817         if (ret != I40E_SUCCESS)
 818                 goto send_msg;
 819
 820         if (promisc->flags & I40E_FLAG_VF_MULTICAST_PROMISC)
 821                 multicast = TRUE;
 822         ret = i40e_aq_set_vsi_multicast_promiscuous(hw, vf->vsi->seid,
 823                                                 multicast, NULL);
 824
 825 send_msg:
 826         i40e_pf_host_send_msg_to_vf(vf,
 827                 I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE, ret, NULL, 0);
 828
 829         return ret;
 830 }
 831
 832 static int
 833 i40e_pf_host_process_cmd_get_stats(struct i40e_pf_vf *vf)
 834 {
 835         i40e_update_vsi_stats(vf->vsi);
 836
 837         i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_STATS,
 838                 I40E_SUCCESS, (uint8_t *)&vf->vsi->eth_stats,
 839                                 sizeof(vf->vsi->eth_stats));
 840
 841         return I40E_SUCCESS;
 842 }
 843
 844 static void
 845 i40e_pf_host_process_cmd_get_link_status(struct i40e_pf_vf *vf)
 846 {
 847         struct rte_eth_dev *dev = I40E_VSI_TO_ETH_DEV(vf->pf->main_vsi);
 848
 849         /* Update link status first to acquire latest link change */
 850         i40e_dev_link_update(dev, 1);
 851         i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_LINK_STAT,
 852                 I40E_SUCCESS, (uint8_t *)&dev->data->dev_link,
 853                                 sizeof(struct rte_eth_link));
 854 }
 855
 856 static int
 857 i40e_pf_host_process_cmd_cfg_vlan_offload(
 858                                         struct i40e_pf_vf *vf,
 859                                         uint8_t *msg,
 860                                         uint16_t msglen)
 861 {
 862         int ret = I40E_SUCCESS;
 863         struct i40e_virtchnl_vlan_offload_info *offload =
 864                         (struct i40e_virtchnl_vlan_offload_info *)msg;
 865
 866         if (msg == NULL || msglen != sizeof(*offload)) {
 867                 ret = I40E_ERR_PARAM;
 868                 goto send_msg;
 869         }
 870
 871         ret = i40e_vsi_config_vlan_stripping(vf->vsi,
 872                                                 !!offload->enable_vlan_strip);
 873         if (ret != 0)
 874                 PMD_DRV_LOG(ERR, "Failed to configure vlan stripping");
 875
 876 send_msg:
 877         i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_CFG_VLAN_OFFLOAD,
 878                                         ret, NULL, 0);
 879
 880         return ret;
 881 }
 882
 883 static int
 884 i40e_pf_host_process_cmd_cfg_pvid(struct i40e_pf_vf *vf,
 885                                         uint8_t *msg,
 886                                         uint16_t msglen)
 887 {
 888         int ret = I40E_SUCCESS;
 889         struct i40e_virtchnl_pvid_info  *tpid_info =
 890                         (struct i40e_virtchnl_pvid_info *)msg;
 891
 892         if (msg == NULL || msglen != sizeof(*tpid_info)) {
 893                 ret = I40E_ERR_PARAM;
 894                 goto send_msg;
 895         }
 896
 897         ret = i40e_vsi_vlan_pvid_set(vf->vsi, &tpid_info->info);
 898
 899 send_msg:
 900         i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_CFG_VLAN_PVID,
 901                                         ret, NULL, 0);
 902
 903         return ret;
 904 }
 905
 906 void
 907 i40e_pf_host_handle_vf_msg(struct rte_eth_dev *dev,
 908                            uint16_t abs_vf_id, uint32_t opcode,
 909                            __rte_unused uint32_t retval,
 910                            uint8_t *msg,
 911                            uint16_t msglen)
 912 {
 913         struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
 914         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 915         struct i40e_pf_vf *vf;
 916         /* AdminQ will pass absolute VF id, transfer to internal vf id */
 917         uint16_t vf_id = abs_vf_id - hw->func_caps.vf_base_id;
 918
 919         if (!dev || vf_id > pf->vf_num - 1 || !pf->vfs) {
 920                 PMD_DRV_LOG(ERR, "invalid argument");
 921                 return;
 922         }
 923
 924         vf = &pf->vfs[vf_id];
 925         if (!vf->vsi) {
 926                 PMD_DRV_LOG(ERR, "NO VSI associated with VF found");
 927                 i40e_pf_host_send_msg_to_vf(vf, opcode,
 928                         I40E_ERR_NO_AVAILABLE_VSI, NULL, 0);
 929                 return;
 930         }
 931
 932         switch (opcode) {
 933         case I40E_VIRTCHNL_OP_VERSION :
 934                 PMD_DRV_LOG(INFO, "OP_VERSION received");
 935                 i40e_pf_host_process_cmd_version(vf);
 936                 break;
 937         case I40E_VIRTCHNL_OP_RESET_VF :
 938                 PMD_DRV_LOG(INFO, "OP_RESET_VF received");
 939                 i40e_pf_host_process_cmd_reset_vf(vf);
 940                 break;
 941         case I40E_VIRTCHNL_OP_GET_VF_RESOURCES:
 942                 PMD_DRV_LOG(INFO, "OP_GET_VF_RESOURCES received");
 943                 i40e_pf_host_process_cmd_get_vf_resource(vf);
 944                 break;
 945         case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES:
 946                 PMD_DRV_LOG(INFO, "OP_CONFIG_VSI_QUEUES received");
 947                 i40e_pf_host_process_cmd_config_vsi_queues(vf, msg, msglen);
 948                 break;
 949         case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES_EXT:
 950                 PMD_DRV_LOG(INFO, "OP_CONFIG_VSI_QUEUES_EXT received");
 951                 i40e_pf_host_process_cmd_config_vsi_queues_ext(vf, msg,
 952                                                                 msglen);
 953                 break;
 954         case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP:
 955                 PMD_DRV_LOG(INFO, "OP_CONFIG_IRQ_MAP received");
 956                 i40e_pf_host_process_cmd_config_irq_map(vf, msg, msglen);
 957                 break;
 958         case I40E_VIRTCHNL_OP_ENABLE_QUEUES:
 959                 PMD_DRV_LOG(INFO, "OP_ENABLE_QUEUES received");
 960                 i40e_pf_host_process_cmd_enable_queues(vf, msg, msglen);
 961                 break;
 962         case I40E_VIRTCHNL_OP_DISABLE_QUEUES:
 963                 PMD_DRV_LOG(INFO, "OP_DISABLE_QUEUE received");
 964                 i40e_pf_host_process_cmd_disable_queues(vf, msg, msglen);
 965                 break;
 966         case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS:
 967                 PMD_DRV_LOG(INFO, "OP_ADD_ETHER_ADDRESS received");
 968                 i40e_pf_host_process_cmd_add_ether_address(vf, msg, msglen);
 969                 break;
 970         case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS:
 971                 PMD_DRV_LOG(INFO, "OP_DEL_ETHER_ADDRESS received");
 972                 i40e_pf_host_process_cmd_del_ether_address(vf, msg, msglen);
 973                 break;
 974         case I40E_VIRTCHNL_OP_ADD_VLAN:
 975                 PMD_DRV_LOG(INFO, "OP_ADD_VLAN received");
 976                 i40e_pf_host_process_cmd_add_vlan(vf, msg, msglen);
 977                 break;
 978         case I40E_VIRTCHNL_OP_DEL_VLAN:
 979                 PMD_DRV_LOG(INFO, "OP_DEL_VLAN received");
 980                 i40e_pf_host_process_cmd_del_vlan(vf, msg, msglen);
 981                 break;
 982         case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
 983                 PMD_DRV_LOG(INFO, "OP_CONFIG_PROMISCUOUS_MODE received");
 984                 i40e_pf_host_process_cmd_config_promisc_mode(vf, msg, msglen);
 985                 break;
 986         case I40E_VIRTCHNL_OP_GET_STATS:
 987                 PMD_DRV_LOG(INFO, "OP_GET_STATS received");
 988                 i40e_pf_host_process_cmd_get_stats(vf);
 989                 break;
 990         case I40E_VIRTCHNL_OP_GET_LINK_STAT:
 991                 PMD_DRV_LOG(INFO, "OP_GET_LINK_STAT received");
 992                 i40e_pf_host_process_cmd_get_link_status(vf);
 993                 break;
 994         case I40E_VIRTCHNL_OP_CFG_VLAN_OFFLOAD:
 995                 PMD_DRV_LOG(INFO, "OP_CFG_VLAN_OFFLOAD received");
 996                 i40e_pf_host_process_cmd_cfg_vlan_offload(vf, msg, msglen);
 997                 break;
 998         case I40E_VIRTCHNL_OP_CFG_VLAN_PVID:
 999                 PMD_DRV_LOG(INFO, "OP_CFG_VLAN_PVID received");
1000                 i40e_pf_host_process_cmd_cfg_pvid(vf, msg, msglen);
1001                 break;
1002          /* Don't add command supported below, which will
1003          *  return an error code.
1004          */
1005         case I40E_VIRTCHNL_OP_FCOE:
1006                 PMD_DRV_LOG(ERR, "OP_FCOE received, not supported");
1007         default:
1008                 PMD_DRV_LOG(ERR, "%u received, not supported", opcode);
1009                 i40e_pf_host_send_msg_to_vf(vf, opcode, I40E_ERR_PARAM,
1010                                                                 NULL, 0);
1011                 break;
1012         }
1013 }
1014
1015 int
1016 i40e_pf_host_init(struct rte_eth_dev *dev)
1017 {
1018         struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
1019         struct i40e_hw *hw = I40E_PF_TO_HW(pf);
1020         int ret, i;
1021         uint32_t val;
1022
1023         PMD_INIT_FUNC_TRACE();
1024
1025         /**
1026          * return if SRIOV not enabled, VF number not configured or
1027          * no queue assigned.
1028          */
1029         if(!hw->func_caps.sr_iov_1_1 || pf->vf_num == 0 || pf->vf_nb_qps == 0)
1030                 return I40E_SUCCESS;
1031
1032         /* Allocate memory to store VF structure */
1033         pf->vfs = rte_zmalloc("i40e_pf_vf",sizeof(*pf->vfs) * pf->vf_num, 0);
1034         if(pf->vfs == NULL)
1035                 return -ENOMEM;
1036
1037         /* Disable irq0 for VFR event */
1038         i40e_pf_disable_irq0(hw);
1039
1040         /* Disable VF link status interrupt */
1041         val = I40E_READ_REG(hw, I40E_PFGEN_PORTMDIO_NUM);
1042         val &= ~I40E_PFGEN_PORTMDIO_NUM_VFLINK_STAT_ENA_MASK;
1043         I40E_WRITE_REG(hw, I40E_PFGEN_PORTMDIO_NUM, val);
1044         I40E_WRITE_FLUSH(hw);
1045
1046         for (i = 0; i < pf->vf_num; i++) {
1047                 pf->vfs[i].pf = pf;
1048                 pf->vfs[i].state = I40E_VF_INACTIVE;
1049                 pf->vfs[i].vf_idx = i;
1050                 ret = i40e_pf_host_vf_reset(&pf->vfs[i], 0);
1051                 if (ret != I40E_SUCCESS)
1052                         goto fail;
1053         }
1054
1055         /* restore irq0 */
1056         i40e_pf_enable_irq0(hw);
1057
1058         return I40E_SUCCESS;
1059
1060 fail:
1061         rte_free(pf->vfs);
1062         i40e_pf_enable_irq0(hw);
1063
1064         return ret;
1065 }
1066
1067 int
1068 i40e_pf_host_uninit(struct rte_eth_dev *dev)
1069 {
1070         struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
1071         struct i40e_hw *hw = I40E_PF_TO_HW(pf);
1072         uint32_t val;
1073
1074         PMD_INIT_FUNC_TRACE();
1075
1076         /**
1077          * return if SRIOV not enabled, VF number not configured or
1078          * no queue assigned.
1079          */
1080         if ((!hw->func_caps.sr_iov_1_1) ||
1081                 (pf->vf_num == 0) ||
1082                 (pf->vf_nb_qps == 0))
1083                 return I40E_SUCCESS;
1084
1085         /* free memory to store VF structure */
1086         rte_free(pf->vfs);
1087         pf->vfs = NULL;
1088
1089         /* Disable irq0 for VFR event */
1090         i40e_pf_disable_irq0(hw);
1091
1092         /* Disable VF link status interrupt */
1093         val = I40E_READ_REG(hw, I40E_PFGEN_PORTMDIO_NUM);
1094         val &= ~I40E_PFGEN_PORTMDIO_NUM_VFLINK_STAT_ENA_MASK;
1095         I40E_WRITE_REG(hw, I40E_PFGEN_PORTMDIO_NUM, val);
1096         I40E_WRITE_FLUSH(hw);
1097
1098         return I40E_SUCCESS;
1099 }