net/iavf: deprecate i40evf PMD

[dpdk.git] / drivers / net / i40e / i40e_ethdev_vf.c

diff --git a/drivers/net/i40e/i40e_ethdev_vf.c b/drivers/net/i40e/i40e_ethdev_vf.c
index 7548062..3c258ba 100644 (file)
--- a/drivers/net/i40e/i40e_ethdev_vf.c
+++ b/drivers/net/i40e/i40e_ethdev_vf.c
@@ -1645,9 +1645,53 @@ i40evf_dev_uninit(struct rte_eth_dev *eth_dev)
        return 0;
 }
 
+static int
+i40evf_check_driver_handler(__rte_unused const char *key,
+                           const char *value, __rte_unused void *opaque)
+{
+       if (strcmp(value, "i40evf"))
+               return -1;
+
+       return 0;
+}
+
+static int
+i40evf_driver_selected(struct rte_devargs *devargs)
+{
+       struct rte_kvargs *kvlist;
+       const char *key = "driver";
+       int ret = 0;
+
+       if (devargs == NULL)
+               return 0;
+
+       kvlist = rte_kvargs_parse(devargs->args, NULL);
+       if (kvlist == NULL)
+               return 0;
+
+       if (!rte_kvargs_count(kvlist, key))
+               goto exit;
+
+       /* i40evf driver selected when there's a key-value pair:
+        * driver=i40evf
+        */
+       if (rte_kvargs_process(kvlist, key,
+                              i40evf_check_driver_handler, NULL) < 0)
+               goto exit;
+
+       ret = 1;
+
+exit:
+       rte_kvargs_free(kvlist);
+       return ret;
+}
+
 static int eth_i40evf_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
        struct rte_pci_device *pci_dev)
 {
+       if (!i40evf_driver_selected(pci_dev->device.devargs))
+               return 1;
+
        return rte_eth_dev_pci_generic_probe(pci_dev,
                sizeof(struct i40e_adapter), i40evf_dev_init);
 }
@@ -1670,6 +1714,7 @@ static struct rte_pci_driver rte_i40evf_pmd = {
 RTE_PMD_REGISTER_PCI(net_i40e_vf, rte_i40evf_pmd);
 RTE_PMD_REGISTER_PCI_TABLE(net_i40e_vf, pci_id_i40evf_map);
 RTE_PMD_REGISTER_KMOD_DEP(net_i40e_vf, "* igb_uio | vfio-pci");
+RTE_PMD_REGISTER_PARAM_STRING(net_i40e_vf, "driver=i40evf");
 
 static int
 i40evf_dev_configure(struct rte_eth_dev *dev)