Root/drivers/pci/hotplug.c

1#include <linux/kernel.h>
2#include <linux/pci.h>
3#include <linux/module.h>
4#include "pci.h"
5
6int pci_uevent(struct device *dev, struct kobj_uevent_env *env)
7{
8    struct pci_dev *pdev;
9
10    if (!dev)
11        return -ENODEV;
12
13    pdev = to_pci_dev(dev);
14    if (!pdev)
15        return -ENODEV;
16
17    if (add_uevent_var(env, "PCI_CLASS=%04X", pdev->class))
18        return -ENOMEM;
19
20    if (add_uevent_var(env, "PCI_ID=%04X:%04X", pdev->vendor, pdev->device))
21        return -ENOMEM;
22
23    if (add_uevent_var(env, "PCI_SUBSYS_ID=%04X:%04X", pdev->subsystem_vendor,
24               pdev->subsystem_device))
25        return -ENOMEM;
26
27    if (add_uevent_var(env, "PCI_SLOT_NAME=%s", pci_name(pdev)))
28        return -ENOMEM;
29
30    if (add_uevent_var(env, "MODALIAS=pci:v%08Xd%08Xsv%08Xsd%08Xbc%02Xsc%02Xi%02x",
31               pdev->vendor, pdev->device,
32               pdev->subsystem_vendor, pdev->subsystem_device,
33               (u8)(pdev->class >> 16), (u8)(pdev->class >> 8),
34               (u8)(pdev->class)))
35        return -ENOMEM;
36    return 0;
37}
38

Archive Download this file



interactive