mirror of https://gitee.com/openkylin/linux.git
55 lines
1.4 KiB
C
55 lines
1.4 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/* pci-pf-stub - simple stub driver for PCI SR-IOV PF device
|
|
*
|
|
* This driver is meant to act as a "whitelist" for devices that provide
|
|
* SR-IOV functionality while at the same time not actually needing a
|
|
* driver of their own.
|
|
*/
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/pci.h>
|
|
|
|
/*
|
|
* pci_pf_stub_whitelist - White list of devices to bind pci-pf-stub onto
|
|
*
|
|
* This table provides the list of IDs this driver is supposed to bind
|
|
* onto. You could think of this as a list of "quirked" devices where we
|
|
* are adding support for SR-IOV here since there are no other drivers
|
|
* that they would be running under.
|
|
*/
|
|
static const struct pci_device_id pci_pf_stub_whitelist[] = {
|
|
{ PCI_VDEVICE(AMAZON, 0x0053) },
|
|
/* required last entry */
|
|
{ 0 }
|
|
};
|
|
MODULE_DEVICE_TABLE(pci, pci_pf_stub_whitelist);
|
|
|
|
static int pci_pf_stub_probe(struct pci_dev *dev,
|
|
const struct pci_device_id *id)
|
|
{
|
|
pci_info(dev, "claimed by pci-pf-stub\n");
|
|
return 0;
|
|
}
|
|
|
|
static struct pci_driver pf_stub_driver = {
|
|
.name = "pci-pf-stub",
|
|
.id_table = pci_pf_stub_whitelist,
|
|
.probe = pci_pf_stub_probe,
|
|
.sriov_configure = pci_sriov_configure_simple,
|
|
};
|
|
|
|
static int __init pci_pf_stub_init(void)
|
|
{
|
|
return pci_register_driver(&pf_stub_driver);
|
|
}
|
|
|
|
static void __exit pci_pf_stub_exit(void)
|
|
{
|
|
pci_unregister_driver(&pf_stub_driver);
|
|
}
|
|
|
|
module_init(pci_pf_stub_init);
|
|
module_exit(pci_pf_stub_exit);
|
|
|
|
MODULE_LICENSE("GPL");
|