drivers/net/ngbe/ngbe_ethdev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2018-2021 Beijing WangXun Technology Co., Ltd.
   3  * Copyright(c) 2010-2017 Intel Corporation
   4  */
   5
   6 #include <errno.h>
   7 #include <rte_common.h>
   8 #include <ethdev_pci.h>
   9
  10 #include "ngbe_devids.h"
  11
  12 /*
  13  * The set of PCI devices this driver supports
  14  */
  15 static const struct rte_pci_id pci_id_ngbe_map[] = {
  16         { RTE_PCI_DEVICE(PCI_VENDOR_ID_WANGXUN, NGBE_DEV_ID_EM_WX1860A2) },
  17         { RTE_PCI_DEVICE(PCI_VENDOR_ID_WANGXUN, NGBE_DEV_ID_EM_WX1860A2S) },
  18         { RTE_PCI_DEVICE(PCI_VENDOR_ID_WANGXUN, NGBE_DEV_ID_EM_WX1860A4) },
  19         { RTE_PCI_DEVICE(PCI_VENDOR_ID_WANGXUN, NGBE_DEV_ID_EM_WX1860A4S) },
  20         { RTE_PCI_DEVICE(PCI_VENDOR_ID_WANGXUN, NGBE_DEV_ID_EM_WX1860AL2) },
  21         { RTE_PCI_DEVICE(PCI_VENDOR_ID_WANGXUN, NGBE_DEV_ID_EM_WX1860AL2S) },
  22         { RTE_PCI_DEVICE(PCI_VENDOR_ID_WANGXUN, NGBE_DEV_ID_EM_WX1860AL4) },
  23         { RTE_PCI_DEVICE(PCI_VENDOR_ID_WANGXUN, NGBE_DEV_ID_EM_WX1860AL4S) },
  24         { RTE_PCI_DEVICE(PCI_VENDOR_ID_WANGXUN, NGBE_DEV_ID_EM_WX1860NCSI) },
  25         { RTE_PCI_DEVICE(PCI_VENDOR_ID_WANGXUN, NGBE_DEV_ID_EM_WX1860A1) },
  26         { RTE_PCI_DEVICE(PCI_VENDOR_ID_WANGXUN, NGBE_DEV_ID_EM_WX1860A1L) },
  27         { RTE_PCI_DEVICE(PCI_VENDOR_ID_WANGXUN, NGBE_DEV_ID_EM_WX1860AL_W) },
  28         { .vendor_id = 0, /* sentinel */ },
  29 };
  30
  31 static int
  32 eth_ngbe_dev_init(struct rte_eth_dev *eth_dev, void *init_params __rte_unused)
  33 {
  34         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
  35
  36         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
  37                 return 0;
  38
  39         rte_eth_copy_pci_info(eth_dev, pci_dev);
  40
  41         return -EINVAL;
  42 }
  43
  44 static int
  45 eth_ngbe_dev_uninit(struct rte_eth_dev *eth_dev)
  46 {
  47         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
  48                 return 0;
  49
  50         RTE_SET_USED(eth_dev);
  51
  52         return -EINVAL;
  53 }
  54
  55 static int
  56 eth_ngbe_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
  57                 struct rte_pci_device *pci_dev)
  58 {
  59         return rte_eth_dev_create(&pci_dev->device, pci_dev->device.name,
  60                         0, eth_dev_pci_specific_init, pci_dev,
  61                         eth_ngbe_dev_init, NULL);
  62 }
  63
  64 static int eth_ngbe_pci_remove(struct rte_pci_device *pci_dev)
  65 {
  66         struct rte_eth_dev *ethdev;
  67
  68         ethdev = rte_eth_dev_allocated(pci_dev->device.name);
  69         if (ethdev == NULL)
  70                 return 0;
  71
  72         return rte_eth_dev_destroy(ethdev, eth_ngbe_dev_uninit);
  73 }
  74
  75 static struct rte_pci_driver rte_ngbe_pmd = {
  76         .id_table = pci_id_ngbe_map,
  77         .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
  78         .probe = eth_ngbe_pci_probe,
  79         .remove = eth_ngbe_pci_remove,
  80 };
  81
  82 RTE_PMD_REGISTER_PCI(net_ngbe, rte_ngbe_pmd);
  83 RTE_PMD_REGISTER_PCI_TABLE(net_ngbe, pci_id_ngbe_map);
  84 RTE_PMD_REGISTER_KMOD_DEP(net_ngbe, "* igb_uio | uio_pci_generic | vfio-pci");