Function rte_rawdev_pmd_allocate

dpdk/lib/rawdev/rte_rawdev.c:501–540

}

struct rte_rawdev *
rte_rawdev_pmd_allocate(const char *name, size_t dev_priv_size, int socket_id)
{
	struct rte_rawdev *rawdev;
	uint16_t dev_id;

	if (rte_rawdev_pmd_get_named_dev(name) != NULL) {
		RTE_RDEV_ERR("Raw device with name %s already allocated!", name);
		return NULL;
	}

	dev_id = rte_rawdev_find_free_device_index();
	if (dev_id == RTE_RAWDEV_MAX_DEVS) {
		RTE_RDEV_ERR("Reached maximum number of raw devices");
		return NULL;
	}

	rawdev = &rte_rawdevs[dev_id];

	if (dev_priv_size > 0) {
		rawdev->dev_private = rte_zmalloc_socket("rawdev private",
				     dev_priv_size,
				     RTE_CACHE_LINE_SIZE,
				     socket_id);
		if (!rawdev->dev_private) {
			RTE_RDEV_ERR("Unable to allocate memory for rawdev");
			return NULL;
		}
	}

	rawdev->dev_id = dev_id;
	rawdev->socket_id = socket_id;
	rawdev->started = 0;
	strlcpy(rawdev->name, name, RTE_RAWDEV_NAME_MAX_LEN);

	rawdev->attached = RTE_RAWDEV_ATTACHED;
	rawdev_globals.nb_devs++;

	return rawdev;
}

int
rte_rawdev_pmd_release(struct rte_rawdev *rawdev)