/*- * BSD LICENSE * * Copyright(c) 2010-2017 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * Neither the name of Intel Corporation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "i40e_logs.h" #include "base/i40e_prototype.h" #include "base/i40e_adminq_cmd.h" #include "base/i40e_type.h" #include "i40e_ethdev.h" #include "i40e_rxtx.h" #include "i40e_pf.h" #include "rte_pmd_i40e.h" #define I40E_CFG_CRCSTRIP_DEFAULT 1 static int i40e_pf_host_switch_queues(struct i40e_pf_vf *vf, struct i40e_virtchnl_queue_select *qsel, bool on); /** * Bind PF queues with VSI and VF. **/ static int i40e_pf_vf_queues_mapping(struct i40e_pf_vf *vf) { int i; struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf); uint16_t vsi_id = vf->vsi->vsi_id; uint16_t vf_id = vf->vf_idx; uint16_t nb_qps = vf->vsi->nb_qps; uint16_t qbase = vf->vsi->base_queue; uint16_t q1, q2; uint32_t val; /* * VF should use scatter range queues. So, it needn't * to set QBASE in this register. */ i40e_write_rx_ctl(hw, I40E_VSILAN_QBASE(vsi_id), I40E_VSILAN_QBASE_VSIQTABLE_ENA_MASK); /* Set to enable VFLAN_QTABLE[] registers valid */ I40E_WRITE_REG(hw, I40E_VPLAN_MAPENA(vf_id), I40E_VPLAN_MAPENA_TXRX_ENA_MASK); /* map PF queues to VF */ for (i = 0; i < nb_qps; i++) { val = ((qbase + i) & I40E_VPLAN_QTABLE_QINDEX_MASK); I40E_WRITE_REG(hw, I40E_VPLAN_QTABLE(i, vf_id), val); } /* map PF queues to VSI */ for (i = 0; i < I40E_MAX_QP_NUM_PER_VF / 2; i++) { if (2 * i > nb_qps - 1) q1 = I40E_VSILAN_QTABLE_QINDEX_0_MASK; else q1 = qbase + 2 * i; if (2 * i + 1 > nb_qps - 1) q2 = I40E_VSILAN_QTABLE_QINDEX_0_MASK; else q2 = qbase + 2 * i + 1; val = (q2 << I40E_VSILAN_QTABLE_QINDEX_1_SHIFT) + q1; i40e_write_rx_ctl(hw, I40E_VSILAN_QTABLE(i, vsi_id), val); } I40E_WRITE_FLUSH(hw); return I40E_SUCCESS; } /** * Proceed VF reset operation. */ int i40e_pf_host_vf_reset(struct i40e_pf_vf *vf, bool do_hw_reset) { uint32_t val, i; struct i40e_hw *hw; struct i40e_pf *pf; uint16_t vf_id, abs_vf_id, vf_msix_num; int ret; struct i40e_virtchnl_queue_select qsel; if (vf == NULL) return -EINVAL; pf = vf->pf; hw = I40E_PF_TO_HW(vf->pf); vf_id = vf->vf_idx; abs_vf_id = vf_id + hw->func_caps.vf_base_id; /* Notify VF that we are in VFR progress */ I40E_WRITE_REG(hw, I40E_VFGEN_RSTAT1(vf_id), I40E_VFR_INPROGRESS); /* * If require a SW VF reset, a VFLR interrupt will be generated, * this function will be called again. To avoid it, * disable interrupt first. */ if (do_hw_reset) { vf->state = I40E_VF_INRESET; val = I40E_READ_REG(hw, I40E_VPGEN_VFRTRIG(vf_id)); val |= I40E_VPGEN_VFRTRIG_VFSWR_MASK; I40E_WRITE_REG(hw, I40E_VPGEN_VFRTRIG(vf_id), val); I40E_WRITE_FLUSH(hw); } #define VFRESET_MAX_WAIT_CNT 100 /* Wait until VF reset is done */ for (i = 0; i < VFRESET_MAX_WAIT_CNT; i++) { rte_delay_us(10); val = I40E_READ_REG(hw, I40E_VPGEN_VFRSTAT(vf_id)); if (val & I40E_VPGEN_VFRSTAT_VFRD_MASK) break; } if (i >= VFRESET_MAX_WAIT_CNT) { PMD_DRV_LOG(ERR, "VF reset timeout"); return -ETIMEDOUT; } /* This is not first time to do reset, do cleanup job first */ if (vf->vsi) { /* Disable queues */ memset(&qsel, 0, sizeof(qsel)); for (i = 0; i < vf->vsi->nb_qps; i++) qsel.rx_queues |= 1 << i; qsel.tx_queues = qsel.rx_queues; ret = i40e_pf_host_switch_queues(vf, &qsel, false); if (ret != I40E_SUCCESS) { PMD_DRV_LOG(ERR, "Disable VF queues failed"); return -EFAULT; } /* Disable VF interrupt setting */ vf_msix_num = hw->func_caps.num_msix_vectors_vf; for (i = 0; i < vf_msix_num; i++) { if (!i) val = I40E_VFINT_DYN_CTL0(vf_id); else val = I40E_VFINT_DYN_CTLN(((vf_msix_num - 1) * (vf_id)) + (i - 1)); I40E_WRITE_REG(hw, val, I40E_VFINT_DYN_CTLN_CLEARPBA_MASK); } I40E_WRITE_FLUSH(hw); /* remove VSI */ ret = i40e_vsi_release(vf->vsi); if (ret != I40E_SUCCESS) { PMD_DRV_LOG(ERR, "Release VSI failed"); return -EFAULT; } } #define I40E_VF_PCI_ADDR 0xAA #define I40E_VF_PEND_MASK 0x20 /* Check the pending transactions of this VF */ /* Use absolute VF id, refer to datasheet for details */ I40E_WRITE_REG(hw, I40E_PF_PCI_CIAA, I40E_VF_PCI_ADDR | (abs_vf_id << I40E_PF_PCI_CIAA_VF_NUM_SHIFT)); for (i = 0; i < VFRESET_MAX_WAIT_CNT; i++) { rte_delay_us(1); val = I40E_READ_REG(hw, I40E_PF_PCI_CIAD); if ((val & I40E_VF_PEND_MASK) == 0) break; } if (i >= VFRESET_MAX_WAIT_CNT) { PMD_DRV_LOG(ERR, "Wait VF PCI transaction end timeout"); return -ETIMEDOUT; } /* Reset done, Set COMPLETE flag and clear reset bit */ I40E_WRITE_REG(hw, I40E_VFGEN_RSTAT1(vf_id), I40E_VFR_COMPLETED); val = I40E_READ_REG(hw, I40E_VPGEN_VFRTRIG(vf_id)); val &= ~I40E_VPGEN_VFRTRIG_VFSWR_MASK; I40E_WRITE_REG(hw, I40E_VPGEN_VFRTRIG(vf_id), val); vf->reset_cnt++; I40E_WRITE_FLUSH(hw); /* Allocate resource again */ if (pf->floating_veb && pf->floating_veb_list[vf_id]) { vf->vsi = i40e_vsi_setup(vf->pf, I40E_VSI_SRIOV, NULL, vf->vf_idx); } else { vf->vsi = i40e_vsi_setup(vf->pf, I40E_VSI_SRIOV, vf->pf->main_vsi, vf->vf_idx); } if (vf->vsi == NULL) { PMD_DRV_LOG(ERR, "Add vsi failed"); return -EFAULT; } ret = i40e_pf_vf_queues_mapping(vf); if (ret != I40E_SUCCESS) { PMD_DRV_LOG(ERR, "queue mapping error"); i40e_vsi_release(vf->vsi); return -EFAULT; } I40E_WRITE_REG(hw, I40E_VFGEN_RSTAT1(vf_id), I40E_VFR_VFACTIVE); return ret; } int i40e_pf_host_send_msg_to_vf(struct i40e_pf_vf *vf, uint32_t opcode, uint32_t retval, uint8_t *msg, uint16_t msglen) { struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf); uint16_t abs_vf_id = hw->func_caps.vf_base_id + vf->vf_idx; int ret; ret = i40e_aq_send_msg_to_vf(hw, abs_vf_id, opcode, retval, msg, msglen, NULL); if (ret) { PMD_INIT_LOG(ERR, "Fail to send message to VF, err %u", hw->aq.asq_last_status); } return ret; } static void i40e_pf_host_process_cmd_version(struct i40e_pf_vf *vf, bool b_op) { struct i40e_virtchnl_version_info info; /* Respond like a Linux PF host in order to support both DPDK VF and * Linux VF driver. The expense is original DPDK host specific feature * like CFG_VLAN_PVID and CONFIG_VSI_QUEUES_EXT will not available. * * DPDK VF also can't identify host driver by version number returned. * It always assume talking with Linux PF. */ info.major = I40E_VIRTCHNL_VERSION_MAJOR; info.minor = I40E_VIRTCHNL_VERSION_MINOR_NO_VF_CAPS; if (b_op) i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_VERSION, I40E_SUCCESS, (uint8_t *)&info, sizeof(info)); else i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_VERSION, I40E_NOT_SUPPORTED, (uint8_t *)&info, sizeof(info)); } static int i40e_pf_host_process_cmd_reset_vf(struct i40e_pf_vf *vf) { i40e_pf_host_vf_reset(vf, 1); /* No feedback will be sent to VF for VFLR */ return I40E_SUCCESS; } static int i40e_pf_host_process_cmd_get_vf_resource(struct i40e_pf_vf *vf, bool b_op) { struct i40e_virtchnl_vf_resource *vf_res = NULL; struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf); uint32_t len = 0; int ret = I40E_SUCCESS; if (!b_op) { i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_VF_RESOURCES, I40E_NOT_SUPPORTED, NULL, 0); return ret; } /* only have 1 VSI by default */ len = sizeof(struct i40e_virtchnl_vf_resource) + I40E_DEFAULT_VF_VSI_NUM * sizeof(struct i40e_virtchnl_vsi_resource); vf_res = rte_zmalloc("i40e_vf_res", len, 0); if (vf_res == NULL) { PMD_DRV_LOG(ERR, "failed to allocate mem"); ret = I40E_ERR_NO_MEMORY; vf_res = NULL; len = 0; goto send_msg; } vf_res->vf_offload_flags = I40E_VIRTCHNL_VF_OFFLOAD_L2 | I40E_VIRTCHNL_VF_OFFLOAD_VLAN; vf_res->max_vectors = hw->func_caps.num_msix_vectors_vf; vf_res->num_queue_pairs = vf->vsi->nb_qps; vf_res->num_vsis = I40E_DEFAULT_VF_VSI_NUM; /* Change below setting if PF host can support more VSIs for VF */ vf_res->vsi_res[0].vsi_type = I40E_VSI_SRIOV; vf_res->vsi_res[0].vsi_id = vf->vsi->vsi_id; vf_res->vsi_res[0].num_queue_pairs = vf->vsi->nb_qps; ether_addr_copy(&vf->mac_addr, (struct ether_addr *)vf_res->vsi_res[0].default_mac_addr); send_msg: i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_VF_RESOURCES, ret, (uint8_t *)vf_res, len); rte_free(vf_res); return ret; } static int i40e_pf_host_hmc_config_rxq(struct i40e_hw *hw, struct i40e_pf_vf *vf, struct i40e_virtchnl_rxq_info *rxq, uint8_t crcstrip) { int err = I40E_SUCCESS; struct i40e_hmc_obj_rxq rx_ctx; uint16_t abs_queue_id = vf->vsi->base_queue + rxq->queue_id; /* Clear the context structure first */ memset(&rx_ctx, 0, sizeof(struct i40e_hmc_obj_rxq)); rx_ctx.dbuff = rxq->databuffer_size >> I40E_RXQ_CTX_DBUFF_SHIFT; rx_ctx.hbuff = rxq->hdr_size >> I40E_RXQ_CTX_HBUFF_SHIFT; rx_ctx.base = rxq->dma_ring_addr / I40E_QUEUE_BASE_ADDR_UNIT; rx_ctx.qlen = rxq->ring_len; #ifndef RTE_LIBRTE_I40E_16BYTE_RX_DESC rx_ctx.dsize = 1; #endif if (rxq->splithdr_enabled) { rx_ctx.hsplit_0 = I40E_HEADER_SPLIT_ALL; rx_ctx.dtype = i40e_header_split_enabled; } else { rx_ctx.hsplit_0 = I40E_HEADER_SPLIT_NONE; rx_ctx.dtype = i40e_header_split_none; } rx_ctx.rxmax = rxq->max_pkt_size; rx_ctx.tphrdesc_ena = 1; rx_ctx.tphwdesc_ena = 1; rx_ctx.tphdata_ena = 1; rx_ctx.tphhead_ena = 1; rx_ctx.lrxqthresh = 2; rx_ctx.crcstrip = crcstrip; rx_ctx.l2tsel = 1; rx_ctx.prefena = 1; err = i40e_clear_lan_rx_queue_context(hw, abs_queue_id); if (err != I40E_SUCCESS) return err; err = i40e_set_lan_rx_queue_context(hw, abs_queue_id, &rx_ctx); return err; } static int i40e_pf_host_hmc_config_txq(struct i40e_hw *hw, struct i40e_pf_vf *vf, struct i40e_virtchnl_txq_info *txq) { int err = I40E_SUCCESS; struct i40e_hmc_obj_txq tx_ctx; uint32_t qtx_ctl; uint16_t abs_queue_id = vf->vsi->base_queue + txq->queue_id; /* clear the context structure first */ memset(&tx_ctx, 0, sizeof(tx_ctx)); tx_ctx.base = txq->dma_ring_addr / I40E_QUEUE_BASE_ADDR_UNIT; tx_ctx.qlen = txq->ring_len; tx_ctx.rdylist = rte_le_to_cpu_16(vf->vsi->info.qs_handle[0]); tx_ctx.head_wb_ena = txq->headwb_enabled; tx_ctx.head_wb_addr = txq->dma_headwb_addr; err = i40e_clear_lan_tx_queue_context(hw, abs_queue_id); if (err != I40E_SUCCESS) return err; err = i40e_set_lan_tx_queue_context(hw, abs_queue_id, &tx_ctx); if (err != I40E_SUCCESS) return err; /* bind queue with VF function, since TX/QX will appear in pair, * so only has QTX_CTL to set. */ qtx_ctl = (I40E_QTX_CTL_VF_QUEUE << I40E_QTX_CTL_PFVF_Q_SHIFT) | ((hw->pf_id << I40E_QTX_CTL_PF_INDX_SHIFT) & I40E_QTX_CTL_PF_INDX_MASK) | (((vf->vf_idx + hw->func_caps.vf_base_id) << I40E_QTX_CTL_VFVM_INDX_SHIFT) & I40E_QTX_CTL_VFVM_INDX_MASK); I40E_WRITE_REG(hw, I40E_QTX_CTL(abs_queue_id), qtx_ctl); I40E_WRITE_FLUSH(hw); return I40E_SUCCESS; } static int i40e_pf_host_process_cmd_config_vsi_queues(struct i40e_pf_vf *vf, uint8_t *msg, uint16_t msglen, bool b_op) { struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf); struct i40e_vsi *vsi = vf->vsi; struct i40e_virtchnl_vsi_queue_config_info *vc_vqci = (struct i40e_virtchnl_vsi_queue_config_info *)msg; struct i40e_virtchnl_queue_pair_info *vc_qpi; int i, ret = I40E_SUCCESS; if (!b_op) { i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES, I40E_NOT_SUPPORTED, NULL, 0); return ret; } if (!msg || vc_vqci->num_queue_pairs > vsi->nb_qps || vc_vqci->num_queue_pairs > I40E_MAX_VSI_QP || msglen < I40E_VIRTCHNL_CONFIG_VSI_QUEUES_SIZE(vc_vqci, vc_vqci->num_queue_pairs)) { PMD_DRV_LOG(ERR, "vsi_queue_config_info argument wrong"); ret = I40E_ERR_PARAM; goto send_msg; } vc_qpi = vc_vqci->qpair; for (i = 0; i < vc_vqci->num_queue_pairs; i++) { if (vc_qpi[i].rxq.queue_id > vsi->nb_qps - 1 || vc_qpi[i].txq.queue_id > vsi->nb_qps - 1) { ret = I40E_ERR_PARAM; goto send_msg; } /* * Apply VF RX queue setting to HMC. * If the opcode is I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES_EXT, * then the extra information of * 'struct i40e_virtchnl_queue_pair_extra_info' is needed, * otherwise set the last parameter to NULL. */ if (i40e_pf_host_hmc_config_rxq(hw, vf, &vc_qpi[i].rxq, I40E_CFG_CRCSTRIP_DEFAULT) != I40E_SUCCESS) { PMD_DRV_LOG(ERR, "Configure RX queue HMC failed"); ret = I40E_ERR_PARAM; goto send_msg; } /* Apply VF TX queue setting to HMC */ if (i40e_pf_host_hmc_config_txq(hw, vf, &vc_qpi[i].txq) != I40E_SUCCESS) { PMD_DRV_LOG(ERR, "Configure TX queue HMC failed"); ret = I40E_ERR_PARAM; goto send_msg; } } send_msg: i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES, ret, NULL, 0); return ret; } static int i40e_pf_host_process_cmd_config_vsi_queues_ext(struct i40e_pf_vf *vf, uint8_t *msg, uint16_t msglen, bool b_op) { struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf); struct i40e_vsi *vsi = vf->vsi; struct i40e_virtchnl_vsi_queue_config_ext_info *vc_vqcei = (struct i40e_virtchnl_vsi_queue_config_ext_info *)msg; struct i40e_virtchnl_queue_pair_ext_info *vc_qpei; int i, ret = I40E_SUCCESS; if (!b_op) { i40e_pf_host_send_msg_to_vf( vf, I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES_EXT, I40E_NOT_SUPPORTED, NULL, 0); return ret; } if (!msg || vc_vqcei->num_queue_pairs > vsi->nb_qps || vc_vqcei->num_queue_pairs > I40E_MAX_VSI_QP || msglen < I40E_VIRTCHNL_CONFIG_VSI_QUEUES_SIZE(vc_vqcei, vc_vqcei->num_queue_pairs)) { PMD_DRV_LOG(ERR, "vsi_queue_config_ext_info argument wrong"); ret = I40E_ERR_PARAM; goto send_msg; } vc_qpei = vc_vqcei->qpair; for (i = 0; i < vc_vqcei->num_queue_pairs; i++) { if (vc_qpei[i].rxq.queue_id > vsi->nb_qps - 1 || vc_qpei[i].txq.queue_id > vsi->nb_qps - 1) { ret = I40E_ERR_PARAM; goto send_msg; } /* * Apply VF RX queue setting to HMC. * If the opcode is I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES_EXT, * then the extra information of * 'struct i40e_virtchnl_queue_pair_ext_info' is needed, * otherwise set the last parameter to NULL. */ if (i40e_pf_host_hmc_config_rxq(hw, vf, &vc_qpei[i].rxq, vc_qpei[i].rxq_ext.crcstrip) != I40E_SUCCESS) { PMD_DRV_LOG(ERR, "Configure RX queue HMC failed"); ret = I40E_ERR_PARAM; goto send_msg; } /* Apply VF TX queue setting to HMC */ if (i40e_pf_host_hmc_config_txq(hw, vf, &vc_qpei[i].txq) != I40E_SUCCESS) { PMD_DRV_LOG(ERR, "Configure TX queue HMC failed"); ret = I40E_ERR_PARAM; goto send_msg; } } send_msg: i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES_EXT, ret, NULL, 0); return ret; } static void i40e_pf_config_irq_link_list(struct i40e_pf_vf *vf, struct i40e_virtchnl_vector_map *vvm) { #define BITS_PER_CHAR 8 uint64_t linklistmap = 0, tempmap; struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf); uint16_t qid; bool b_first_q = true; enum i40e_queue_type qtype; uint16_t vector_id; uint32_t reg, reg_idx; uint16_t itr_idx = 0, i; vector_id = vvm->vector_id; /* setup the head */ if (!vector_id) reg_idx = I40E_VPINT_LNKLST0(vf->vf_idx); else reg_idx = I40E_VPINT_LNKLSTN( ((hw->func_caps.num_msix_vectors_vf - 1) * vf->vf_idx) + (vector_id - 1)); if (vvm->rxq_map == 0 && vvm->txq_map == 0) { I40E_WRITE_REG(hw, reg_idx, I40E_VPINT_LNKLST0_FIRSTQ_INDX_MASK); goto cfg_irq_done; } /* sort all rx and tx queues */ tempmap = vvm->rxq_map; for (i = 0; i < sizeof(vvm->rxq_map) * BITS_PER_CHAR; i++) { if (tempmap & 0x1) linklistmap |= (1 << (2 * i)); tempmap >>= 1; } tempmap = vvm->txq_map; for (i = 0; i < sizeof(vvm->txq_map) * BITS_PER_CHAR; i++) { if (tempmap & 0x1) linklistmap |= (1 << (2 * i + 1)); tempmap >>= 1; } /* Link all rx and tx queues into a chained list */ tempmap = linklistmap; i = 0; b_first_q = true; do { if (tempmap & 0x1) { qtype = (enum i40e_queue_type)(i % 2); qid = vf->vsi->base_queue + i / 2; if (b_first_q) { /* This is header */ b_first_q = false; reg = ((qtype << I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_SHIFT) | qid); } else { /* element in the link list */ reg = (vector_id) | (qtype << I40E_QINT_RQCTL_NEXTQ_TYPE_SHIFT) | (qid << I40E_QINT_RQCTL_NEXTQ_INDX_SHIFT) | BIT(I40E_QINT_RQCTL_CAUSE_ENA_SHIFT) | (itr_idx << I40E_QINT_RQCTL_ITR_INDX_SHIFT); } I40E_WRITE_REG(hw, reg_idx, reg); /* find next register to program */ switch (qtype) { case I40E_QUEUE_TYPE_RX: reg_idx = I40E_QINT_RQCTL(qid); itr_idx = vvm->rxitr_idx; break; case I40E_QUEUE_TYPE_TX: reg_idx = I40E_QINT_TQCTL(qid); itr_idx = vvm->txitr_idx; break; default: break; } } i++; tempmap >>= 1; } while (tempmap); /* Terminate the link list */ reg = (vector_id) | (0 << I40E_QINT_RQCTL_NEXTQ_TYPE_SHIFT) | (0x7FF << I40E_QINT_RQCTL_NEXTQ_INDX_SHIFT) | BIT(I40E_QINT_RQCTL_CAUSE_ENA_SHIFT) | (itr_idx << I40E_QINT_RQCTL_ITR_INDX_SHIFT); I40E_WRITE_REG(hw, reg_idx, reg); cfg_irq_done: I40E_WRITE_FLUSH(hw); } static int i40e_pf_host_process_cmd_config_irq_map(struct i40e_pf_vf *vf, uint8_t *msg, uint16_t msglen, bool b_op) { int ret = I40E_SUCCESS; struct i40e_pf *pf = vf->pf; struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf); struct i40e_virtchnl_irq_map_info *irqmap = (struct i40e_virtchnl_irq_map_info *)msg; struct i40e_virtchnl_vector_map *map; int i; uint16_t vector_id; unsigned long qbit_max; if (!b_op) { i40e_pf_host_send_msg_to_vf( vf, I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP, I40E_NOT_SUPPORTED, NULL, 0); return ret; } if (msg == NULL || msglen < sizeof(struct i40e_virtchnl_irq_map_info)) { PMD_DRV_LOG(ERR, "buffer too short"); ret = I40E_ERR_PARAM; goto send_msg; } /* PF host will support both DPDK VF or Linux VF driver, identify by * number of vectors requested. */ /* DPDK VF only requires single vector */ if (irqmap->num_vectors == 1) { /* This MSIX intr store the intr in VF range */ vf->vsi->msix_intr = irqmap->vecmap[0].vector_id; vf->vsi->nb_msix = irqmap->num_vectors; vf->vsi->nb_used_qps = vf->vsi->nb_qps; /* Don't care how the TX/RX queue mapping with this vector. * Link all VF RX queues together. Only did mapping work. * VF can disable/enable the intr by itself. */ i40e_vsi_queues_bind_intr(vf->vsi); goto send_msg; } /* Then, it's Linux VF driver */ qbit_max = 1 << pf->vf_nb_qp_max; for (i = 0; i < irqmap->num_vectors; i++) { map = &irqmap->vecmap[i]; vector_id = map->vector_id; /* validate msg params */ if (vector_id >= hw->func_caps.num_msix_vectors_vf) { ret = I40E_ERR_PARAM; goto send_msg; } if ((map->rxq_map < qbit_max) && (map->txq_map < qbit_max)) { i40e_pf_config_irq_link_list(vf, map); } else { /* configured queue size excceed limit */ ret = I40E_ERR_PARAM; goto send_msg; } } send_msg: i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP, ret, NULL, 0); return ret; } static int i40e_pf_host_switch_queues(struct i40e_pf_vf *vf, struct i40e_virtchnl_queue_select *qsel, bool on) { int ret = I40E_SUCCESS; int i; struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf); uint16_t baseq = vf->vsi->base_queue; if (qsel->rx_queues + qsel->tx_queues == 0) return I40E_ERR_PARAM; /* always enable RX first and disable last */ /* Enable RX if it's enable */ if (on) { for (i = 0; i < I40E_MAX_QP_NUM_PER_VF; i++) if (qsel->rx_queues & (1 << i)) { ret = i40e_switch_rx_queue(hw, baseq + i, on); if (ret != I40E_SUCCESS) return ret; } } /* Enable/Disable TX */ for (i = 0; i < I40E_MAX_QP_NUM_PER_VF; i++) if (qsel->tx_queues & (1 << i)) { ret = i40e_switch_tx_queue(hw, baseq + i, on); if (ret != I40E_SUCCESS) return ret; } /* disable RX last if it's disable */ if (!on) { /* disable RX */ for (i = 0; i < I40E_MAX_QP_NUM_PER_VF; i++) if (qsel->rx_queues & (1 << i)) { ret = i40e_switch_rx_queue(hw, baseq + i, on); if (ret != I40E_SUCCESS) return ret; } } return ret; } static int i40e_pf_host_process_cmd_enable_queues(struct i40e_pf_vf *vf, uint8_t *msg, uint16_t msglen) { int ret = I40E_SUCCESS; struct i40e_virtchnl_queue_select *q_sel = (struct i40e_virtchnl_queue_select *)msg; if (msg == NULL || msglen != sizeof(*q_sel)) { ret = I40E_ERR_PARAM; goto send_msg; } ret = i40e_pf_host_switch_queues(vf, q_sel, true); send_msg: i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_ENABLE_QUEUES, ret, NULL, 0); return ret; } static int i40e_pf_host_process_cmd_disable_queues(struct i40e_pf_vf *vf, uint8_t *msg, uint16_t msglen, bool b_op) { int ret = I40E_SUCCESS; struct i40e_virtchnl_queue_select *q_sel = (struct i40e_virtchnl_queue_select *)msg; if (!b_op) { i40e_pf_host_send_msg_to_vf( vf, I40E_VIRTCHNL_OP_DISABLE_QUEUES, I40E_NOT_SUPPORTED, NULL, 0); return ret; } if (msg == NULL || msglen != sizeof(*q_sel)) { ret = I40E_ERR_PARAM; goto send_msg; } ret = i40e_pf_host_switch_queues(vf, q_sel, false); send_msg: i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_DISABLE_QUEUES, ret, NULL, 0); return ret; } static int i40e_pf_host_process_cmd_add_ether_address(struct i40e_pf_vf *vf, uint8_t *msg, uint16_t msglen, bool b_op) { int ret = I40E_SUCCESS; struct i40e_virtchnl_ether_addr_list *addr_list = (struct i40e_virtchnl_ether_addr_list *)msg; struct i40e_mac_filter_info filter; int i; struct ether_addr *mac; if (!b_op) { i40e_pf_host_send_msg_to_vf( vf, I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS, I40E_NOT_SUPPORTED, NULL, 0); return ret; } memset(&filter, 0 , sizeof(struct i40e_mac_filter_info)); if (msg == NULL || msglen <= sizeof(*addr_list)) { PMD_DRV_LOG(ERR, "add_ether_address argument too short"); ret = I40E_ERR_PARAM; goto send_msg; } for (i = 0; i < addr_list->num_elements; i++) { mac = (struct ether_addr *)(addr_list->list[i].addr); (void)rte_memcpy(&filter.mac_addr, mac, ETHER_ADDR_LEN); filter.filter_type = RTE_MACVLAN_PERFECT_MATCH; if (is_zero_ether_addr(mac) || i40e_vsi_add_mac(vf->vsi, &filter)) { ret = I40E_ERR_INVALID_MAC_ADDR; goto send_msg; } } send_msg: i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS, ret, NULL, 0); return ret; } static int i40e_pf_host_process_cmd_del_ether_address(struct i40e_pf_vf *vf, uint8_t *msg, uint16_t msglen, bool b_op) { int ret = I40E_SUCCESS; struct i40e_virtchnl_ether_addr_list *addr_list = (struct i40e_virtchnl_ether_addr_list *)msg; int i; struct ether_addr *mac; if (!b_op) { i40e_pf_host_send_msg_to_vf( vf, I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS, I40E_NOT_SUPPORTED, NULL, 0); return ret; } if (msg == NULL || msglen <= sizeof(*addr_list)) { PMD_DRV_LOG(ERR, "delete_ether_address argument too short"); ret = I40E_ERR_PARAM; goto send_msg; } for (i = 0; i < addr_list->num_elements; i++) { mac = (struct ether_addr *)(addr_list->list[i].addr); if(is_zero_ether_addr(mac) || i40e_vsi_delete_mac(vf->vsi, mac)) { ret = I40E_ERR_INVALID_MAC_ADDR; goto send_msg; } } send_msg: i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS, ret, NULL, 0); return ret; } static int i40e_pf_host_process_cmd_add_vlan(struct i40e_pf_vf *vf, uint8_t *msg, uint16_t msglen, bool b_op) { int ret = I40E_SUCCESS; struct i40e_virtchnl_vlan_filter_list *vlan_filter_list = (struct i40e_virtchnl_vlan_filter_list *)msg; int i; uint16_t *vid; if (!b_op) { i40e_pf_host_send_msg_to_vf( vf, I40E_VIRTCHNL_OP_ADD_VLAN, I40E_NOT_SUPPORTED, NULL, 0); return ret; } if (msg == NULL || msglen <= sizeof(*vlan_filter_list)) { PMD_DRV_LOG(ERR, "add_vlan argument too short"); ret = I40E_ERR_PARAM; goto send_msg; } vid = vlan_filter_list->vlan_id; for (i = 0; i < vlan_filter_list->num_elements; i++) { ret = i40e_vsi_add_vlan(vf->vsi, vid[i]); if(ret != I40E_SUCCESS) goto send_msg; } send_msg: i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_ADD_VLAN, ret, NULL, 0); return ret; } static int i40e_pf_host_process_cmd_del_vlan(struct i40e_pf_vf *vf, uint8_t *msg, uint16_t msglen, bool b_op) { int ret = I40E_SUCCESS; struct i40e_virtchnl_vlan_filter_list *vlan_filter_list = (struct i40e_virtchnl_vlan_filter_list *)msg; int i; uint16_t *vid; if (!b_op) { i40e_pf_host_send_msg_to_vf( vf, I40E_VIRTCHNL_OP_DEL_VLAN, I40E_NOT_SUPPORTED, NULL, 0); return ret; } if (msg == NULL || msglen <= sizeof(*vlan_filter_list)) { PMD_DRV_LOG(ERR, "delete_vlan argument too short"); ret = I40E_ERR_PARAM; goto send_msg; } vid = vlan_filter_list->vlan_id; for (i = 0; i < vlan_filter_list->num_elements; i++) { ret = i40e_vsi_delete_vlan(vf->vsi, vid[i]); if(ret != I40E_SUCCESS) goto send_msg; } send_msg: i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_DEL_VLAN, ret, NULL, 0); return ret; } static int i40e_pf_host_process_cmd_config_promisc_mode( struct i40e_pf_vf *vf, uint8_t *msg, uint16_t msglen, bool b_op) { int ret = I40E_SUCCESS; struct i40e_virtchnl_promisc_info *promisc = (struct i40e_virtchnl_promisc_info *)msg; struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf); bool unicast = FALSE, multicast = FALSE; if (!b_op) { i40e_pf_host_send_msg_to_vf( vf, I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE, I40E_NOT_SUPPORTED, NULL, 0); return ret; } if (msg == NULL || msglen != sizeof(*promisc)) { ret = I40E_ERR_PARAM; goto send_msg; } if (promisc->flags & I40E_FLAG_VF_UNICAST_PROMISC) unicast = TRUE; ret = i40e_aq_set_vsi_unicast_promiscuous(hw, vf->vsi->seid, unicast, NULL, true); if (ret != I40E_SUCCESS) goto send_msg; if (promisc->flags & I40E_FLAG_VF_MULTICAST_PROMISC) multicast = TRUE; ret = i40e_aq_set_vsi_multicast_promiscuous(hw, vf->vsi->seid, multicast, NULL); send_msg: i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE, ret, NULL, 0); return ret; } static int i40e_pf_host_process_cmd_get_stats(struct i40e_pf_vf *vf, bool b_op) { i40e_update_vsi_stats(vf->vsi); if (b_op) i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_STATS, I40E_SUCCESS, (uint8_t *)&vf->vsi->eth_stats, sizeof(vf->vsi->eth_stats)); else i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_STATS, I40E_NOT_SUPPORTED, (uint8_t *)&vf->vsi->eth_stats, sizeof(vf->vsi->eth_stats)); return I40E_SUCCESS; } static int i40e_pf_host_process_cmd_cfg_vlan_offload( struct i40e_pf_vf *vf, uint8_t *msg, uint16_t msglen, bool b_op) { int ret = I40E_SUCCESS; struct i40e_virtchnl_vlan_offload_info *offload = (struct i40e_virtchnl_vlan_offload_info *)msg; if (!b_op) { i40e_pf_host_send_msg_to_vf( vf, I40E_VIRTCHNL_OP_CFG_VLAN_OFFLOAD, I40E_NOT_SUPPORTED, NULL, 0); return ret; } if (msg == NULL || msglen != sizeof(*offload)) { ret = I40E_ERR_PARAM; goto send_msg; } ret = i40e_vsi_config_vlan_stripping(vf->vsi, !!offload->enable_vlan_strip); if (ret != 0) PMD_DRV_LOG(ERR, "Failed to configure vlan stripping"); send_msg: i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_CFG_VLAN_OFFLOAD, ret, NULL, 0); return ret; } static int i40e_pf_host_process_cmd_cfg_pvid(struct i40e_pf_vf *vf, uint8_t *msg, uint16_t msglen, bool b_op) { int ret = I40E_SUCCESS; struct i40e_virtchnl_pvid_info *tpid_info = (struct i40e_virtchnl_pvid_info *)msg; if (!b_op) { i40e_pf_host_send_msg_to_vf( vf, I40E_VIRTCHNL_OP_CFG_VLAN_PVID, I40E_NOT_SUPPORTED, NULL, 0); return ret; } if (msg == NULL || msglen != sizeof(*tpid_info)) { ret = I40E_ERR_PARAM; goto send_msg; } ret = i40e_vsi_vlan_pvid_set(vf->vsi, &tpid_info->info); send_msg: i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_CFG_VLAN_PVID, ret, NULL, 0); return ret; } void i40e_notify_vf_link_status(struct rte_eth_dev *dev, struct i40e_pf_vf *vf) { struct i40e_virtchnl_pf_event event; event.event = I40E_VIRTCHNL_EVENT_LINK_CHANGE; event.event_data.link_event.link_status = dev->data->dev_link.link_status; event.event_data.link_event.link_speed = (enum i40e_aq_link_speed)dev->data->dev_link.link_speed; i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_EVENT, I40E_SUCCESS, (uint8_t *)&event, sizeof(event)); } void i40e_pf_host_handle_vf_msg(struct rte_eth_dev *dev, uint16_t abs_vf_id, uint32_t opcode, __rte_unused uint32_t retval, uint8_t *msg, uint16_t msglen) { struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private); struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private); struct i40e_pf_vf *vf; /* AdminQ will pass absolute VF id, transfer to internal vf id */ uint16_t vf_id = abs_vf_id - hw->func_caps.vf_base_id; struct rte_pmd_i40e_mb_event_param cb_param; bool b_op = TRUE; if (vf_id > pf->vf_num - 1 || !pf->vfs) { PMD_DRV_LOG(ERR, "invalid argument"); return; } vf = &pf->vfs[vf_id]; if (!vf->vsi) { PMD_DRV_LOG(ERR, "NO VSI associated with VF found"); i40e_pf_host_send_msg_to_vf(vf, opcode, I40E_ERR_NO_AVAILABLE_VSI, NULL, 0); return; } /** * initialise structure to send to user application * will return response from user in retval field */ cb_param.retval = RTE_PMD_I40E_MB_EVENT_PROCEED; cb_param.vfid = vf_id; cb_param.msg_type = opcode; cb_param.msg = (void *)msg; cb_param.msglen = msglen; /** * Ask user application if we're allowed to perform those functions. * If we get cb_param.retval == RTE_PMD_I40E_MB_EVENT_PROCEED, * then business as usual. * If RTE_PMD_I40E_MB_EVENT_NOOP_ACK or RTE_PMD_I40E_MB_EVENT_NOOP_NACK, * do nothing and send not_supported to VF. As PF must send a response * to VF and ACK/NACK is not defined. */ _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_VF_MBOX, &cb_param); if (cb_param.retval != RTE_PMD_I40E_MB_EVENT_PROCEED) { PMD_DRV_LOG(WARNING, "VF to PF message(%d) is not permitted!", opcode); b_op = FALSE; } switch (opcode) { case I40E_VIRTCHNL_OP_VERSION : PMD_DRV_LOG(INFO, "OP_VERSION received"); i40e_pf_host_process_cmd_version(vf, b_op); break; case I40E_VIRTCHNL_OP_RESET_VF : PMD_DRV_LOG(INFO, "OP_RESET_VF received"); i40e_pf_host_process_cmd_reset_vf(vf); break; case I40E_VIRTCHNL_OP_GET_VF_RESOURCES: PMD_DRV_LOG(INFO, "OP_GET_VF_RESOURCES received"); i40e_pf_host_process_cmd_get_vf_resource(vf, b_op); break; case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES: PMD_DRV_LOG(INFO, "OP_CONFIG_VSI_QUEUES received"); i40e_pf_host_process_cmd_config_vsi_queues(vf, msg, msglen, b_op); break; case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES_EXT: PMD_DRV_LOG(INFO, "OP_CONFIG_VSI_QUEUES_EXT received"); i40e_pf_host_process_cmd_config_vsi_queues_ext(vf, msg, msglen, b_op); break; case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP: PMD_DRV_LOG(INFO, "OP_CONFIG_IRQ_MAP received"); i40e_pf_host_process_cmd_config_irq_map(vf, msg, msglen, b_op); break; case I40E_VIRTCHNL_OP_ENABLE_QUEUES: PMD_DRV_LOG(INFO, "OP_ENABLE_QUEUES received"); if (b_op) { i40e_pf_host_process_cmd_enable_queues(vf, msg, msglen); i40e_notify_vf_link_status(dev, vf); } else { i40e_pf_host_send_msg_to_vf( vf, I40E_VIRTCHNL_OP_ENABLE_QUEUES, I40E_NOT_SUPPORTED, NULL, 0); } break; case I40E_VIRTCHNL_OP_DISABLE_QUEUES: PMD_DRV_LOG(INFO, "OP_DISABLE_QUEUE received"); i40e_pf_host_process_cmd_disable_queues(vf, msg, msglen, b_op); break; case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS: PMD_DRV_LOG(INFO, "OP_ADD_ETHER_ADDRESS received"); i40e_pf_host_process_cmd_add_ether_address(vf, msg, msglen, b_op); break; case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS: PMD_DRV_LOG(INFO, "OP_DEL_ETHER_ADDRESS received"); i40e_pf_host_process_cmd_del_ether_address(vf, msg, msglen, b_op); break; case I40E_VIRTCHNL_OP_ADD_VLAN: PMD_DRV_LOG(INFO, "OP_ADD_VLAN received"); i40e_pf_host_process_cmd_add_vlan(vf, msg, msglen, b_op); break; case I40E_VIRTCHNL_OP_DEL_VLAN: PMD_DRV_LOG(INFO, "OP_DEL_VLAN received"); i40e_pf_host_process_cmd_del_vlan(vf, msg, msglen, b_op); break; case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE: PMD_DRV_LOG(INFO, "OP_CONFIG_PROMISCUOUS_MODE received"); i40e_pf_host_process_cmd_config_promisc_mode(vf, msg, msglen, b_op); break; case I40E_VIRTCHNL_OP_GET_STATS: PMD_DRV_LOG(INFO, "OP_GET_STATS received"); i40e_pf_host_process_cmd_get_stats(vf, b_op); break; case I40E_VIRTCHNL_OP_CFG_VLAN_OFFLOAD: PMD_DRV_LOG(INFO, "OP_CFG_VLAN_OFFLOAD received"); i40e_pf_host_process_cmd_cfg_vlan_offload(vf, msg, msglen, b_op); break; case I40E_VIRTCHNL_OP_CFG_VLAN_PVID: PMD_DRV_LOG(INFO, "OP_CFG_VLAN_PVID received"); i40e_pf_host_process_cmd_cfg_pvid(vf, msg, msglen, b_op); break; /* Don't add command supported below, which will * return an error code. */ default: PMD_DRV_LOG(ERR, "%u received, not supported", opcode); i40e_pf_host_send_msg_to_vf(vf, opcode, I40E_ERR_PARAM, NULL, 0); break; } } int i40e_pf_host_init(struct rte_eth_dev *dev) { struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private); struct i40e_hw *hw = I40E_PF_TO_HW(pf); int ret, i; uint32_t val; PMD_INIT_FUNC_TRACE(); /** * return if SRIOV not enabled, VF number not configured or * no queue assigned. */ if(!hw->func_caps.sr_iov_1_1 || pf->vf_num == 0 || pf->vf_nb_qps == 0) return I40E_SUCCESS; /* Allocate memory to store VF structure */ pf->vfs = rte_zmalloc("i40e_pf_vf",sizeof(*pf->vfs) * pf->vf_num, 0); if(pf->vfs == NULL) return -ENOMEM; /* Disable irq0 for VFR event */ i40e_pf_disable_irq0(hw); /* Disable VF link status interrupt */ val = I40E_READ_REG(hw, I40E_PFGEN_PORTMDIO_NUM); val &= ~I40E_PFGEN_PORTMDIO_NUM_VFLINK_STAT_ENA_MASK; I40E_WRITE_REG(hw, I40E_PFGEN_PORTMDIO_NUM, val); I40E_WRITE_FLUSH(hw); for (i = 0; i < pf->vf_num; i++) { pf->vfs[i].pf = pf; pf->vfs[i].state = I40E_VF_INACTIVE; pf->vfs[i].vf_idx = i; ret = i40e_pf_host_vf_reset(&pf->vfs[i], 0); if (ret != I40E_SUCCESS) goto fail; eth_random_addr(pf->vfs[i].mac_addr.addr_bytes); } /* restore irq0 */ i40e_pf_enable_irq0(hw); return I40E_SUCCESS; fail: rte_free(pf->vfs); i40e_pf_enable_irq0(hw); return ret; } int i40e_pf_host_uninit(struct rte_eth_dev *dev) { struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private); struct i40e_hw *hw = I40E_PF_TO_HW(pf); uint32_t val; PMD_INIT_FUNC_TRACE(); /** * return if SRIOV not enabled, VF number not configured or * no queue assigned. */ if ((!hw->func_caps.sr_iov_1_1) || (pf->vf_num == 0) || (pf->vf_nb_qps == 0)) return I40E_SUCCESS; /* free memory to store VF structure */ rte_free(pf->vfs); pf->vfs = NULL; /* Disable irq0 for VFR event */ i40e_pf_disable_irq0(hw); /* Disable VF link status interrupt */ val = I40E_READ_REG(hw, I40E_PFGEN_PORTMDIO_NUM); val &= ~I40E_PFGEN_PORTMDIO_NUM_VFLINK_STAT_ENA_MASK; I40E_WRITE_REG(hw, I40E_PFGEN_PORTMDIO_NUM, val); I40E_WRITE_FLUSH(hw); return I40E_SUCCESS; }