Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec
[platform/kernel/linux-rpi.git] / drivers / pci / pci-pf-stub.c
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
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
41 static int __init pci_pf_stub_init(void)
42 {
43         return pci_register_driver(&pf_stub_driver);
44 }
45
46 static void __exit pci_pf_stub_exit(void)
47 {
48         pci_unregister_driver(&pf_stub_driver);
49 }
50
51 module_init(pci_pf_stub_init);
52 module_exit(pci_pf_stub_exit);
53
54 MODULE_LICENSE("GPL");