Function i40e_pf_host_init

dpdk/drivers/net/i40e/i40e_pf.c:1565–1633

}

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);
	size_t size;
	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);

	/* calculate the memory size for storing timestamp of messages */
	size = pf->vf_msg_cfg.max_msg * sizeof(uint64_t);

	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;

		if (size) {
			/* allocate memory for store timestamp of messages */
			pf->vfs[i].msg_timestamps =
					rte_zmalloc("i40e_pf_vf", size, 0);
			if (pf->vfs[i].msg_timestamps == NULL) {
				ret = -ENOMEM;
				goto fail;
			}
		}

		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);