Function roc_cpt_dev_init

dpdk/drivers/common/cnxk/roc_cpt.c:736–793

}

int
roc_cpt_dev_init(struct roc_cpt *roc_cpt)
{
	struct plt_pci_device *pci_dev;
	uint16_t nb_lf_avail;
	struct dev *dev;
	struct cpt *cpt;
	int rc;

	if (roc_cpt == NULL || roc_cpt->pci_dev == NULL)
		return -EINVAL;

	PLT_STATIC_ASSERT(sizeof(struct cpt) <= ROC_CPT_MEM_SZ);

	cpt = roc_cpt_to_cpt_priv(roc_cpt);
	memset(cpt, 0, sizeof(*cpt));
	pci_dev = roc_cpt->pci_dev;
	dev = &cpt->dev;

	/* Initialize device  */
	rc = dev_init(dev, pci_dev);
	if (rc) {
		plt_err("Failed to init roc device");
		return rc;
	}

	cpt->pci_dev = pci_dev;
	roc_cpt->lmt_base = dev->lmt_base;

	rc = cpt_hardware_caps_get(dev, roc_cpt);
	if (rc) {
		plt_err("Could not determine hardware capabilities");
		goto fail;
	}

	rc = cpt_available_lfs_get(&cpt->dev, &nb_lf_avail);
	if (rc) {
		plt_err("Could not get available lfs");
		goto fail;
	}

	/* Reserve 1 CPT LF for inline inbound */
	nb_lf_avail = PLT_MIN(nb_lf_avail, (uint16_t)(ROC_CPT_MAX_LFS - 1));

	roc_cpt->nb_lf_avail = nb_lf_avail;

	dev->roc_cpt = roc_cpt;

	/* Set it to idev if not already present */
	if (!roc_idev_cpt_get())
		roc_idev_cpt_set(roc_cpt);

	return 0;

fail:
	dev_fini(dev, pci_dev);
	return rc;
}