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, char **envp, int num_envp,
7	       char *buffer, int buffer_size)
8{
9	struct pci_dev *pdev;
10	int i = 0;
11	int length = 0;
12
13	if (!dev)
14		return -ENODEV;
15
16	pdev = to_pci_dev(dev);
17	if (!pdev)
18		return -ENODEV;
19
20	if (add_uevent_var(envp, num_envp, &i,
21			   buffer, buffer_size, &length,
22			   "PCI_CLASS=%04X", pdev->class))
23		return -ENOMEM;
24
25	if (add_uevent_var(envp, num_envp, &i,
26			   buffer, buffer_size, &length,
27			   "PCI_ID=%04X:%04X", pdev->vendor, pdev->device))
28		return -ENOMEM;
29
30	if (add_uevent_var(envp, num_envp, &i,
31			   buffer, buffer_size, &length,
32			   "PCI_SUBSYS_ID=%04X:%04X", pdev->subsystem_vendor,
33			   pdev->subsystem_device))
34		return -ENOMEM;
35
36	if (add_uevent_var(envp, num_envp, &i,
37			   buffer, buffer_size, &length,
38			   "PCI_SLOT_NAME=%s", pci_name(pdev)))
39		return -ENOMEM;
40
41	if (add_uevent_var(envp, num_envp, &i,
42			   buffer, buffer_size, &length,
43			   "MODALIAS=pci:v%08Xd%08Xsv%08Xsd%08Xbc%02Xsc%02Xi%02x",
44			   pdev->vendor, pdev->device,
45			   pdev->subsystem_vendor, pdev->subsystem_device,
46			   (u8)(pdev->class >> 16), (u8)(pdev->class >> 8),
47			   (u8)(pdev->class)))
48		return -ENOMEM;
49
50	envp[i] = NULL;
51
52	return 0;
53}
54