Function dma_attach_secondary

dpdk/lib/dmadev/rte_dmadev.c:290–318

}

static struct rte_dma_dev *
dma_attach_secondary(const char *name)
{
	struct rte_dma_dev *dev;
	int16_t i;
	int ret;

	ret = dma_data_prepare();
	if (ret < 0) {
		RTE_DMA_LOG(ERR, "Cannot initialize dmadevs data");
		return NULL;
	}

	for (i = 0; i < dma_devices_max; i++) {
		if (!strcmp(dma_devices_shared_data->data[i].dev_name, name))
			break;
	}
	if (i == dma_devices_max) {
		RTE_DMA_LOG(ERR,
			"Device %s is not driven by the primary process",
			name);
		return NULL;
	}

	dev = &rte_dma_devices[i];
	dev->data = &dma_devices_shared_data->data[i];

	return dev;
}

static struct rte_dma_dev *
dma_allocate(const char *name, int numa_node, size_t private_data_size)