--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2015 - 2025 Beijing WangXun Technology Co., Ltd. */
+
+#include <linux/types.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/netdevice.h>
+#include <linux/string.h>
+#include <linux/etherdevice.h>
+
+#include "../libwx/wx_type.h"
+#include "../libwx/wx_vf_common.h"
+#include "ngbevf_type.h"
+
+/* ngbevf_pci_tbl - PCI Device ID Table
+ *
+ * Wildcard entries (PCI_ANY_ID) should come last
+ * Last entry must be all 0s
+ *
+ * { Vendor ID, Device ID, SubVendor ID, SubDevice ID,
+ * Class, Class Mask, private data (not used) }
+ */
+static const struct pci_device_id ngbevf_pci_tbl[] = {
+ { PCI_VDEVICE(WANGXUN, NGBEVF_DEV_ID_EM_WX1860AL_W), 0},
+ { PCI_VDEVICE(WANGXUN, NGBEVF_DEV_ID_EM_WX1860A2), 0},
+ { PCI_VDEVICE(WANGXUN, NGBEVF_DEV_ID_EM_WX1860A2S), 0},
+ { PCI_VDEVICE(WANGXUN, NGBEVF_DEV_ID_EM_WX1860A4), 0},
+ { PCI_VDEVICE(WANGXUN, NGBEVF_DEV_ID_EM_WX1860A4S), 0},
+ { PCI_VDEVICE(WANGXUN, NGBEVF_DEV_ID_EM_WX1860AL2), 0},
+ { PCI_VDEVICE(WANGXUN, NGBEVF_DEV_ID_EM_WX1860AL2S), 0},
+ { PCI_VDEVICE(WANGXUN, NGBEVF_DEV_ID_EM_WX1860AL4), 0},
+ { PCI_VDEVICE(WANGXUN, NGBEVF_DEV_ID_EM_WX1860AL4S), 0},
+ { PCI_VDEVICE(WANGXUN, NGBEVF_DEV_ID_EM_WX1860NCSI), 0},
+ { PCI_VDEVICE(WANGXUN, NGBEVF_DEV_ID_EM_WX1860A1), 0},
+ { PCI_VDEVICE(WANGXUN, NGBEVF_DEV_ID_EM_WX1860AL1), 0},
+ /* required last entry */
+ { .device = 0 }
+};
+
+/**
+ * ngbevf_probe - Device Initialization Routine
+ * @pdev: PCI device information struct
+ * @ent: entry in ngbevf_pci_tbl
+ *
+ * Return: return 0 on success, negative on failure
+ *
+ * ngbevf_probe initializes an adapter identified by a pci_dev structure.
+ * The OS initialization, configuring of the adapter private structure,
+ * and a hardware reset occur.
+ **/
+static int ngbevf_probe(struct pci_dev *pdev,
+ const struct pci_device_id __always_unused *ent)
+{
+ struct net_device *netdev;
+ struct wx *wx = NULL;
+ int err;
+
+ err = pci_enable_device_mem(pdev);
+ if (err)
+ return err;
+
+ err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
+ if (err) {
+ dev_err(&pdev->dev,
+ "No usable DMA configuration, aborting\n");
+ goto err_pci_disable_dev;
+ }
+
+ err = pci_request_selected_regions(pdev,
+ pci_select_bars(pdev, IORESOURCE_MEM),
+ dev_driver_string(&pdev->dev));
+ if (err) {
+ dev_err(&pdev->dev,
+ "pci_request_selected_regions failed 0x%x\n", err);
+ goto err_pci_disable_dev;
+ }
+
+ pci_set_master(pdev);
+
+ netdev = devm_alloc_etherdev_mqs(&pdev->dev,
+ sizeof(struct wx),
+ NGBEVF_MAX_TX_QUEUES,
+ NGBEVF_MAX_RX_QUEUES);
+ if (!netdev) {
+ err = -ENOMEM;
+ goto err_pci_release_regions;
+ }
+
+ SET_NETDEV_DEV(netdev, &pdev->dev);
+
+ wx = netdev_priv(netdev);
+ wx->netdev = netdev;
+ wx->pdev = pdev;
+
+ wx->msg_enable = netif_msg_init(-1, NETIF_MSG_DRV |
+ NETIF_MSG_PROBE | NETIF_MSG_LINK);
+ wx->hw_addr = devm_ioremap(&pdev->dev,
+ pci_resource_start(pdev, 0),
+ pci_resource_len(pdev, 0));
+ if (!wx->hw_addr) {
+ err = -EIO;
+ goto err_pci_release_regions;
+ }
+
+ netdev->features |= NETIF_F_HIGHDMA;
+ pci_set_drvdata(pdev, wx);
+
+ return 0;
+
+err_pci_release_regions:
+ pci_release_selected_regions(pdev,
+ pci_select_bars(pdev, IORESOURCE_MEM));
+err_pci_disable_dev:
+ pci_disable_device(pdev);
+ return err;
+}
+
+/**
+ * ngbevf_remove - Device Removal Routine
+ * @pdev: PCI device information struct
+ *
+ * ngbevf_remove is called by the PCI subsystem to alert the driver
+ * that it should release a PCI device. The could be caused by a
+ * Hot-Plug event, or because the driver is going to be removed from
+ * memory.
+ **/
+static void ngbevf_remove(struct pci_dev *pdev)
+{
+ wxvf_remove(pdev);
+}
+
+static DEFINE_SIMPLE_DEV_PM_OPS(ngbevf_pm_ops, wxvf_suspend, wxvf_resume);
+
+static struct pci_driver ngbevf_driver = {
+ .name = KBUILD_MODNAME,
+ .id_table = ngbevf_pci_tbl,
+ .probe = ngbevf_probe,
+ .remove = ngbevf_remove,
+ .shutdown = wxvf_shutdown,
+ /* Power Management Hooks */
+ .driver.pm = pm_sleep_ptr(&ngbevf_pm_ops)
+};
+
+module_pci_driver(ngbevf_driver);
+
+MODULE_DEVICE_TABLE(pci, ngbevf_pci_tbl);
+MODULE_AUTHOR("Beijing WangXun Technology Co., Ltd, <software@trustnetic.com>");
+MODULE_DESCRIPTION("WangXun(R) Gigabit PCI Express Network Driver");
+MODULE_LICENSE("GPL");
projects / thirdparty / kernel / linux.git / commitdiff
