1 // SPDX-License-Identifier: GPL-2.0
2 /* pci-pf-stub - simple stub driver for PCI SR-IOV PF device
3 *
4 * This driver is meant to act as a "whitelist" for devices that provide
5 * SR-IOV functionality while at the same time not actually needing a
6 * driver of their own.
7 */
8
9 #include <linux/module.h>
10 #include <linux/pci.h>
11
12 /*
13 * pci_pf_stub_whitelist - White list of devices to bind pci-pf-stub onto
14 *
15 * This table provides the list of IDs this driver is supposed to bind
16 * onto. You could think of this as a list of "quirked" devices where we
17 * are adding support for SR-IOV here since there are no other drivers
18 * that they would be running under.
19 */
20 static const struct pci_device_id pci_pf_stub_whitelist[] = {
21 { PCI_VDEVICE(AMAZON, 0x0053) },
22 /* required last entry */
23 { 0 }
24 };
25 MODULE_DEVICE_TABLE(pci, pci_pf_stub_whitelist);
26
pci_pf_stub_probe(struct pci_dev * dev,const struct pci_device_id * id)27 static int pci_pf_stub_probe(struct pci_dev *dev,
28 const struct pci_device_id *id)
29 {
30 pci_info(dev, "claimed by pci-pf-stub\n");
31 return 0;
32 }
33
34 static struct pci_driver pf_stub_driver = {
35 .name = "pci-pf-stub",
36 .id_table = pci_pf_stub_whitelist,
37 .probe = pci_pf_stub_probe,
38 .sriov_configure = pci_sriov_configure_simple,
39 };
40 module_pci_driver(pf_stub_driver);
41
42 MODULE_DESCRIPTION("SR-IOV PF stub driver with no functionality");
43 MODULE_LICENSE("GPL");
44