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 provde 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"); 55