drivers/net/cxgbe/cxgbevf_ethdev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2018 Chelsio Communications.
   3  * All rights reserved.
   4  */
   5
   6 #include <rte_ethdev_driver.h>
   7 #include <rte_ethdev_pci.h>
   8
   9 #include "cxgbe.h"
  10 #include "cxgbe_pfvf.h"
  11
  12 /*
  13  * Macros needed to support the PCI Device ID Table ...
  14  */
  15 #define CH_PCI_DEVICE_ID_TABLE_DEFINE_BEGIN \
  16         static const struct rte_pci_id cxgb4vf_pci_tbl[] = {
  17 #define CH_PCI_DEVICE_ID_FUNCTION 0x8
  18
  19 #define PCI_VENDOR_ID_CHELSIO 0x1425
  20
  21 #define CH_PCI_ID_TABLE_ENTRY(devid) \
  22                 { RTE_PCI_DEVICE(PCI_VENDOR_ID_CHELSIO, (devid)) }
  23
  24 #define CH_PCI_DEVICE_ID_TABLE_DEFINE_END \
  25                 { .vendor_id = 0, } \
  26         }
  27
  28 /*
  29  *... and the PCI ID Table itself ...
  30  */
  31 #include "t4_pci_id_tbl.h"
  32
  33 static const struct eth_dev_ops cxgbevf_eth_dev_ops = {
  34         .dev_start              = cxgbe_dev_start,
  35         .dev_stop               = cxgbe_dev_stop,
  36         .dev_close              = cxgbe_dev_close,
  37         .promiscuous_enable     = cxgbe_dev_promiscuous_enable,
  38         .promiscuous_disable    = cxgbe_dev_promiscuous_disable,
  39         .allmulticast_enable    = cxgbe_dev_allmulticast_enable,
  40         .allmulticast_disable   = cxgbe_dev_allmulticast_disable,
  41         .dev_configure          = cxgbe_dev_configure,
  42         .dev_infos_get          = cxgbe_dev_info_get,
  43         .dev_supported_ptypes_get = cxgbe_dev_supported_ptypes_get,
  44         .link_update            = cxgbe_dev_link_update,
  45         .mtu_set                = cxgbe_dev_mtu_set,
  46         .tx_queue_setup         = cxgbe_dev_tx_queue_setup,
  47         .tx_queue_start         = cxgbe_dev_tx_queue_start,
  48         .tx_queue_stop          = cxgbe_dev_tx_queue_stop,
  49         .tx_queue_release       = cxgbe_dev_tx_queue_release,
  50         .rx_queue_setup         = cxgbe_dev_rx_queue_setup,
  51         .rx_queue_start         = cxgbe_dev_rx_queue_start,
  52         .rx_queue_stop          = cxgbe_dev_rx_queue_stop,
  53         .rx_queue_release       = cxgbe_dev_rx_queue_release,
  54 };
  55
  56 /*
  57  * Initialize driver
  58  * It returns 0 on success.
  59  */
  60 static int eth_cxgbevf_dev_init(struct rte_eth_dev *eth_dev)
  61 {
  62         CXGBE_FUNC_TRACE();
  63
  64         eth_dev->dev_ops = &cxgbevf_eth_dev_ops;
  65
  66         /* XXX: Do probe */
  67         return -EIO;
  68 }
  69
  70 static int eth_cxgbevf_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
  71                                  struct rte_pci_device *pci_dev)
  72 {
  73         return rte_eth_dev_pci_generic_probe(pci_dev, sizeof(struct port_info),
  74                                              eth_cxgbevf_dev_init);
  75 }
  76
  77 static int eth_cxgbevf_pci_remove(struct rte_pci_device *pci_dev)
  78 {
  79         return rte_eth_dev_pci_generic_remove(pci_dev, NULL);
  80 }
  81
  82 static struct rte_pci_driver rte_cxgbevf_pmd = {
  83         .id_table = cxgb4vf_pci_tbl,
  84         .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
  85         .probe = eth_cxgbevf_pci_probe,
  86         .remove = eth_cxgbevf_pci_remove,
  87 };
  88
  89 RTE_PMD_REGISTER_PCI(net_cxgbevf, rte_cxgbevf_pmd);
  90 RTE_PMD_REGISTER_PCI_TABLE(net_cxgbevf, cxgb4vf_pci_tbl);
  91 RTE_PMD_REGISTER_KMOD_DEP(net_cxgbevf, "* igb_uio | vfio-pci");