release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/pci/hotplug.c

   1 #include <linux/kernel.h>
   2 #include <linux/pci.h>
   3 #include <linux/module.h>
   4 #include "pci.h"
   5
   6 int 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 }