Function nfp_reconfig

dpdk/drivers/common/nfp/nfp_common.c:80–105

* Reconfigure the NIC. * * Write the update word to the BAR and ping the reconfig queue. Then poll * until the firmware has acknowledged the update by zeroing the update word. * * @param hw * Device to reconfigure. * @param ctrl * The value for the ctrl field in the BAR config. * @param update * The value for the update field in the BAR config. * * @return * - (0) if OK to rec

 *   - (-EIO) if I/O err and fail to reconfigure the device.
 */
int
nfp_reconfig(struct nfp_hw *hw,
		uint32_t ctrl,
		uint32_t update)
{
	int ret;

	rte_spinlock_lock(&hw->reconfig_lock);

	nn_cfg_writel(hw, NFP_NET_CFG_CTRL, ctrl);
	nn_cfg_writel(hw, NFP_NET_CFG_UPDATE, update);

	rte_wmb();

	ret = nfp_reconfig_real(hw, update);

	rte_spinlock_unlock(&hw->reconfig_lock);

	if (ret != 0) {
		PMD_DRV_LOG(ERR, "Error nfp reconfig: ctrl=%#08x update=%#08x",
				ctrl, update);
		return -EIO;
	}

	return 0;
}

/**
 * Reconfigure the NIC for the extend ctrl BAR.