hotplug.c

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#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/module.h>
#include "pci.h"

int pci_uevent(struct device *dev, struct kobj_uevent_env *env)
{
    struct pci_dev *pdev;

    if (!dev)
        return -ENODEV;

    pdev = to_pci_dev(dev);
    if (!pdev)
        return -ENODEV;

    if (add_uevent_var(env, "PCI_CLASS=%04X", pdev->class))
        return -ENOMEM;

    if (add_uevent_var(env, "PCI_ID=%04X:%04X", pdev->vendor, pdev->device))
        return -ENOMEM;

    if (add_uevent_var(env, "PCI_SUBSYS_ID=%04X:%04X", pdev->subsystem_vendor,
               pdev->subsystem_device))
        return -ENOMEM;

    if (add_uevent_var(env, "PCI_SLOT_NAME=%s", pci_name(pdev)))
        return -ENOMEM;

    if (add_uevent_var(env, "MODALIAS=pci:v%08Xd%08Xsv%08Xsd%08Xbc%02Xsc%02Xi%02x",
               pdev->vendor, pdev->device,
               pdev->subsystem_vendor, pdev->subsystem_device,
               (u8)(pdev->class >> 16), (u8)(pdev->class >> 8),
               (u8)(pdev->class)))
        return -ENOMEM;
    return 0;
}