Function pmd_pfe_probe

dpdk/drivers/net/pfe/pfe_ethdev.c:943–1114

}

static int
pmd_pfe_probe(struct rte_vdev_device *vdev)
{
	const u32 *prop;
	const struct device_node *np;
	const char *name;
	const uint32_t *addr;
	uint64_t cbus_addr, ddr_size, cbus_size;
	int rc = -1, fd = -1, gem_id;
	unsigned int ii, interface_count = 0;
	size_t size = 0;
	struct pfe_vdev_init_params init_params = {
		.gem_id = -1
	};

	name = rte_vdev_device_name(vdev);
	rc = pfe_parse_vdev_init_params(&init_params, vdev);
	if (rc < 0)
		return -EINVAL;

	PFE_PMD_LOG(INFO, "Initializing pmd_pfe for %s Given gem-id %d",
		name, init_params.gem_id);

	if (g_pfe) {
		if (g_pfe->nb_devs >= g_pfe->max_intf) {
			PFE_PMD_ERR("PFE %d dev already created Max is %d",
				g_pfe->nb_devs, g_pfe->max_intf);
			return -EINVAL;
		}
		goto eth_init;
	}

	g_pfe = rte_zmalloc(NULL, sizeof(*g_pfe), RTE_CACHE_LINE_SIZE);
	if (g_pfe == NULL)
		return  -EINVAL;

	/* Load the device-tree driver */
	rc = of_init();
	if (rc) {
		PFE_PMD_ERR("of_init failed with ret: %d", rc);
		goto err;
	}

	np = of_find_compatible_node(NULL, NULL, "fsl,pfe");
	if (!np) {
		PFE_PMD_ERR("Invalid device node");
		rc = -EINVAL;
		goto err;
	}

	addr = of_get_address(np, 0, &cbus_size, NULL);
	if (!addr) {
		PFE_PMD_ERR("of_get_address cannot return qman address");
		goto err;
	}
	cbus_addr = of_translate_address(np, addr);
	if (!cbus_addr) {
		PFE_PMD_ERR("of_translate_address failed");