1 #include <linux/kernel.h>
2 #include <linux/pci.h>
3 #include <linux/module.h>
4 #include "pci.h"
5 
pci_uevent(struct device * dev,struct kobj_uevent_env * env)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 }
38