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numam-dpdk/drivers/net/i40e/i40e_pf.c
Thomas Monjalon 4c00cfdc0e remove useless memzone includes 
The memzone header is often included without good reason.

Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
2017-11-06 22:12:08 +01:00

1365 lines
35 KiB
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/*-
* 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 <sys/queue.h>
#include <stdio.h>
#include <errno.h>
#include <stdint.h>
#include <string.h>
#include <unistd.h>
#include <stdarg.h>
#include <inttypes.h>
#include <rte_string_fns.h>
#include <rte_pci.h>
#include <rte_ether.h>
#include <rte_ethdev.h>
#include <rte_malloc.h>
#include <rte_memcpy.h>
#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 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 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), VIRTCHNL_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), VIRTCHNL_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), VIRTCHNL_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 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 = VIRTCHNL_VERSION_MAJOR;
info.minor = VIRTCHNL_VERSION_MINOR_NO_VF_CAPS;
if (b_op)
i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_VERSION,
I40E_SUCCESS,
(uint8_t *)&info,
sizeof(info));
else
i40e_pf_host_send_msg_to_vf(vf, 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 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,
VIRTCHNL_OP_GET_VF_RESOURCES,
I40E_NOT_SUPPORTED, NULL, 0);
return ret;
}
/* only have 1 VSI by default */
len = sizeof(struct virtchnl_vf_resource) +
I40E_DEFAULT_VF_VSI_NUM *
sizeof(struct 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 = VIRTCHNL_VF_OFFLOAD_L2 |
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 = VIRTCHNL_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, 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 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 inline uint8_t
i40e_vsi_get_tc_of_queue(struct i40e_vsi *vsi,
uint16_t queue_id)
{
struct i40e_aqc_vsi_properties_data *info = &vsi->info;
uint16_t bsf, qp_idx;
uint8_t i;
for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
if (vsi->enabled_tc & (1 << i)) {
qp_idx = rte_le_to_cpu_16((info->tc_mapping[i] &
I40E_AQ_VSI_TC_QUE_OFFSET_MASK) >>
I40E_AQ_VSI_TC_QUE_OFFSET_SHIFT);
bsf = rte_le_to_cpu_16((info->tc_mapping[i] &
I40E_AQ_VSI_TC_QUE_NUMBER_MASK) >>
I40E_AQ_VSI_TC_QUE_NUMBER_SHIFT);
if (queue_id >= qp_idx && queue_id < qp_idx + (1 << bsf))
return i;
}
}
return 0;
}
static int
i40e_pf_host_hmc_config_txq(struct i40e_hw *hw,
struct i40e_pf_vf *vf,
struct virtchnl_txq_info *txq)
{
int err = I40E_SUCCESS;
struct i40e_hmc_obj_txq tx_ctx;
struct i40e_vsi *vsi = vf->vsi;
uint32_t qtx_ctl;
uint16_t abs_queue_id = vsi->base_queue + txq->queue_id;
uint8_t dcb_tc;
/* 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;
dcb_tc = i40e_vsi_get_tc_of_queue(vsi, txq->queue_id);
tx_ctx.rdylist = rte_le_to_cpu_16(vsi->info.qs_handle[dcb_tc]);
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 virtchnl_vsi_queue_config_info *vc_vqci =
(struct virtchnl_vsi_queue_config_info *)msg;
struct virtchnl_queue_pair_info *vc_qpi;
int i, ret = I40E_SUCCESS;
if (!b_op) {
i40e_pf_host_send_msg_to_vf(vf,
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 VIRTCHNL_OP_CONFIG_VSI_QUEUES_EXT,
* then the extra information of
* 'struct 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, VIRTCHNL_OP_CONFIG_VSI_QUEUES,
ret, NULL, 0);
return ret;
}
static void
i40e_pf_config_irq_link_list(struct i40e_pf_vf *vf,
struct 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 virtchnl_irq_map_info *irqmap =
(struct virtchnl_irq_map_info *)msg;
struct virtchnl_vector_map *map;
int i;
uint16_t vector_id, itr_idx;
unsigned long qbit_max;
if (!b_op) {
i40e_pf_host_send_msg_to_vf(
vf,
VIRTCHNL_OP_CONFIG_IRQ_MAP,
I40E_NOT_SUPPORTED, NULL, 0);
return ret;
}
if (msg == NULL || msglen < sizeof(struct 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;
itr_idx = irqmap->vecmap[0].rxitr_idx;
/* 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, itr_idx);
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, VIRTCHNL_OP_CONFIG_IRQ_MAP,
ret, NULL, 0);
return ret;
}
static int
i40e_pf_host_switch_queues(struct i40e_pf_vf *vf,
struct 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 virtchnl_queue_select *q_sel =
(struct 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, 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 virtchnl_queue_select *q_sel =
(struct virtchnl_queue_select *)msg;
if (!b_op) {
i40e_pf_host_send_msg_to_vf(
vf,
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, 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 virtchnl_ether_addr_list *addr_list =
(struct 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,
VIRTCHNL_OP_ADD_ETH_ADDR,
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);
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, VIRTCHNL_OP_ADD_ETH_ADDR,
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 virtchnl_ether_addr_list *addr_list =
(struct virtchnl_ether_addr_list *)msg;
int i;
struct ether_addr *mac;
if (!b_op) {
i40e_pf_host_send_msg_to_vf(
vf,
VIRTCHNL_OP_DEL_ETH_ADDR,
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, VIRTCHNL_OP_DEL_ETH_ADDR,
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 virtchnl_vlan_filter_list *vlan_filter_list =
(struct virtchnl_vlan_filter_list *)msg;
int i;
uint16_t *vid;
if (!b_op) {
i40e_pf_host_send_msg_to_vf(
vf,
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, 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 virtchnl_vlan_filter_list *vlan_filter_list =
(struct virtchnl_vlan_filter_list *)msg;
int i;
uint16_t *vid;
if (!b_op) {
i40e_pf_host_send_msg_to_vf(
vf,
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, 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 virtchnl_promisc_info *promisc =
(struct 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,
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 & 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 & 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,
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, 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, 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_enable_vlan_strip(struct i40e_pf_vf *vf, bool b_op)
{
int ret = I40E_SUCCESS;
if (!b_op) {
i40e_pf_host_send_msg_to_vf(
vf,
VIRTCHNL_OP_ENABLE_VLAN_STRIPPING,
I40E_NOT_SUPPORTED, NULL, 0);
return ret;
}
ret = i40e_vsi_config_vlan_stripping(vf->vsi, TRUE);
if (ret != 0)
PMD_DRV_LOG(ERR, "Failed to enable vlan stripping");
i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_ENABLE_VLAN_STRIPPING,
ret, NULL, 0);
return ret;
}
static int
i40e_pf_host_process_cmd_disable_vlan_strip(struct i40e_pf_vf *vf, bool b_op)
{
int ret = I40E_SUCCESS;
if (!b_op) {
i40e_pf_host_send_msg_to_vf(
vf,
VIRTCHNL_OP_DISABLE_VLAN_STRIPPING,
I40E_NOT_SUPPORTED, NULL, 0);
return ret;
}
ret = i40e_vsi_config_vlan_stripping(vf->vsi, FALSE);
if (ret != 0)
PMD_DRV_LOG(ERR, "Failed to disable vlan stripping");
i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_DISABLE_VLAN_STRIPPING,
ret, NULL, 0);
return ret;
}
void
i40e_notify_vf_link_status(struct rte_eth_dev *dev, struct i40e_pf_vf *vf)
{
struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
struct virtchnl_pf_event event;
uint16_t vf_id = vf->vf_idx;
uint32_t tval, rval;
event.event = VIRTCHNL_EVENT_LINK_CHANGE;
event.event_data.link_event.link_status =
dev->data->dev_link.link_status;
/* need to convert the ETH_SPEED_xxx into VIRTCHNL_LINK_SPEED_xxx */
switch (dev->data->dev_link.link_speed) {
case ETH_SPEED_NUM_100M:
event.event_data.link_event.link_speed = VIRTCHNL_LINK_SPEED_100MB;
break;
case ETH_SPEED_NUM_1G:
event.event_data.link_event.link_speed = VIRTCHNL_LINK_SPEED_1GB;
break;
case ETH_SPEED_NUM_10G:
event.event_data.link_event.link_speed = VIRTCHNL_LINK_SPEED_10GB;
break;
case ETH_SPEED_NUM_20G:
event.event_data.link_event.link_speed = VIRTCHNL_LINK_SPEED_20GB;
break;
case ETH_SPEED_NUM_25G:
event.event_data.link_event.link_speed = VIRTCHNL_LINK_SPEED_25GB;
break;
case ETH_SPEED_NUM_40G:
event.event_data.link_event.link_speed = VIRTCHNL_LINK_SPEED_40GB;
break;
default:
event.event_data.link_event.link_speed =
VIRTCHNL_LINK_SPEED_UNKNOWN;
break;
}
tval = I40E_READ_REG(hw, I40E_VF_ATQLEN(vf_id));
rval = I40E_READ_REG(hw, I40E_VF_ARQLEN(vf_id));
if (tval & I40E_VF_ATQLEN_ATQLEN_MASK ||
tval & I40E_VF_ATQLEN_ATQENABLE_MASK ||
rval & I40E_VF_ARQLEN_ARQLEN_MASK ||
rval & I40E_VF_ARQLEN_ARQENABLE_MASK)
i40e_pf_host_send_msg_to_vf(vf, 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 ret_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
*/
ret_param.retval = RTE_PMD_I40E_MB_EVENT_PROCEED;
ret_param.vfid = vf_id;
ret_param.msg_type = opcode;
ret_param.msg = (void *)msg;
ret_param.msglen = msglen;
/**
* Ask user application if we're allowed to perform those functions.
* If we get ret_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,
NULL, &ret_param);
if (ret_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 VIRTCHNL_OP_VERSION:
PMD_DRV_LOG(INFO, "OP_VERSION received");
i40e_pf_host_process_cmd_version(vf, b_op);
break;
case VIRTCHNL_OP_RESET_VF:
PMD_DRV_LOG(INFO, "OP_RESET_VF received");
i40e_pf_host_process_cmd_reset_vf(vf);
break;
case 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 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 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 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, VIRTCHNL_OP_ENABLE_QUEUES,
I40E_NOT_SUPPORTED, NULL, 0);
}
break;
case 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 VIRTCHNL_OP_ADD_ETH_ADDR:
PMD_DRV_LOG(INFO, "OP_ADD_ETHER_ADDRESS received");
i40e_pf_host_process_cmd_add_ether_address(vf, msg,
msglen, b_op);
break;
case VIRTCHNL_OP_DEL_ETH_ADDR:
PMD_DRV_LOG(INFO, "OP_DEL_ETHER_ADDRESS received");
i40e_pf_host_process_cmd_del_ether_address(vf, msg,
msglen, b_op);
break;
case 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 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 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 VIRTCHNL_OP_GET_STATS:
PMD_DRV_LOG(INFO, "OP_GET_STATS received");
i40e_pf_host_process_cmd_get_stats(vf, b_op);
break;
case VIRTCHNL_OP_ENABLE_VLAN_STRIPPING:
PMD_DRV_LOG(INFO, "OP_ENABLE_VLAN_STRIPPING received");
i40e_pf_host_process_cmd_enable_vlan_strip(vf, b_op);
break;
case VIRTCHNL_OP_DISABLE_VLAN_STRIPPING:
PMD_DRV_LOG(INFO, "OP_DISABLE_VLAN_STRIPPING received");
i40e_pf_host_process_cmd_disable_vlan_strip(vf, 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;
}
RTE_ETH_DEV_SRIOV(dev).active = pf->vf_num;
/* 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;
}
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