167 lines
4.0 KiB
C
167 lines
4.0 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/* Copyright (c) 2015 - 2022 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/aer.h>
|
|
#include <linux/etherdevice.h>
|
|
|
|
#include "txgbe.h"
|
|
|
|
char txgbe_driver_name[] = "txgbe";
|
|
|
|
/* txgbe_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 txgbe_pci_tbl[] = {
|
|
{ PCI_VDEVICE(WANGXUN, TXGBE_DEV_ID_SP1000), 0},
|
|
{ PCI_VDEVICE(WANGXUN, TXGBE_DEV_ID_WX1820), 0},
|
|
/* required last entry */
|
|
{ .device = 0 }
|
|
};
|
|
|
|
#define DEFAULT_DEBUG_LEVEL_SHIFT 3
|
|
|
|
static void txgbe_dev_shutdown(struct pci_dev *pdev, bool *enable_wake)
|
|
{
|
|
struct txgbe_adapter *adapter = pci_get_drvdata(pdev);
|
|
struct net_device *netdev = adapter->netdev;
|
|
|
|
netif_device_detach(netdev);
|
|
|
|
pci_disable_device(pdev);
|
|
}
|
|
|
|
static void txgbe_shutdown(struct pci_dev *pdev)
|
|
{
|
|
bool wake;
|
|
|
|
txgbe_dev_shutdown(pdev, &wake);
|
|
|
|
if (system_state == SYSTEM_POWER_OFF) {
|
|
pci_wake_from_d3(pdev, wake);
|
|
pci_set_power_state(pdev, PCI_D3hot);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* txgbe_probe - Device Initialization Routine
|
|
* @pdev: PCI device information struct
|
|
* @ent: entry in txgbe_pci_tbl
|
|
*
|
|
* Returns 0 on success, negative on failure
|
|
*
|
|
* txgbe_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 txgbe_probe(struct pci_dev *pdev,
|
|
const struct pci_device_id __always_unused *ent)
|
|
{
|
|
struct txgbe_adapter *adapter = NULL;
|
|
struct net_device *netdev;
|
|
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),
|
|
txgbe_driver_name);
|
|
if (err) {
|
|
dev_err(&pdev->dev,
|
|
"pci_request_selected_regions failed 0x%x\n", err);
|
|
goto err_pci_disable_dev;
|
|
}
|
|
|
|
pci_enable_pcie_error_reporting(pdev);
|
|
pci_set_master(pdev);
|
|
|
|
netdev = devm_alloc_etherdev_mqs(&pdev->dev,
|
|
sizeof(struct txgbe_adapter),
|
|
TXGBE_MAX_TX_QUEUES,
|
|
TXGBE_MAX_RX_QUEUES);
|
|
if (!netdev) {
|
|
err = -ENOMEM;
|
|
goto err_pci_release_regions;
|
|
}
|
|
|
|
SET_NETDEV_DEV(netdev, &pdev->dev);
|
|
|
|
adapter = netdev_priv(netdev);
|
|
adapter->netdev = netdev;
|
|
adapter->pdev = pdev;
|
|
|
|
adapter->io_addr = devm_ioremap(&pdev->dev,
|
|
pci_resource_start(pdev, 0),
|
|
pci_resource_len(pdev, 0));
|
|
if (!adapter->io_addr) {
|
|
err = -EIO;
|
|
goto err_pci_release_regions;
|
|
}
|
|
|
|
netdev->features |= NETIF_F_HIGHDMA;
|
|
|
|
pci_set_drvdata(pdev, adapter);
|
|
|
|
return 0;
|
|
|
|
err_pci_release_regions:
|
|
pci_disable_pcie_error_reporting(pdev);
|
|
pci_release_selected_regions(pdev,
|
|
pci_select_bars(pdev, IORESOURCE_MEM));
|
|
err_pci_disable_dev:
|
|
pci_disable_device(pdev);
|
|
return err;
|
|
}
|
|
|
|
/**
|
|
* txgbe_remove - Device Removal Routine
|
|
* @pdev: PCI device information struct
|
|
*
|
|
* txgbe_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 txgbe_remove(struct pci_dev *pdev)
|
|
{
|
|
pci_release_selected_regions(pdev,
|
|
pci_select_bars(pdev, IORESOURCE_MEM));
|
|
|
|
pci_disable_pcie_error_reporting(pdev);
|
|
|
|
pci_disable_device(pdev);
|
|
}
|
|
|
|
static struct pci_driver txgbe_driver = {
|
|
.name = txgbe_driver_name,
|
|
.id_table = txgbe_pci_tbl,
|
|
.probe = txgbe_probe,
|
|
.remove = txgbe_remove,
|
|
.shutdown = txgbe_shutdown,
|
|
};
|
|
|
|
module_pci_driver(txgbe_driver);
|
|
|
|
MODULE_DEVICE_TABLE(pci, txgbe_pci_tbl);
|
|
MODULE_AUTHOR("Beijing WangXun Technology Co., Ltd, <software@trustnetic.com>");
|
|
MODULE_DESCRIPTION("WangXun(R) 10 Gigabit PCI Express Network Driver");
|
|
MODULE_LICENSE("GPL");
|