From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- drivers/pci/pci-pf-stub.c | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 drivers/pci/pci-pf-stub.c (limited to 'drivers/pci/pci-pf-stub.c') diff --git a/drivers/pci/pci-pf-stub.c b/drivers/pci/pci-pf-stub.c new file mode 100644 index 000000000..45855a5e9 --- /dev/null +++ b/drivers/pci/pci-pf-stub.c @@ -0,0 +1,42 @@ +// 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 +#include + +/* + * 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, +}; +module_pci_driver(pf_stub_driver); + +MODULE_LICENSE("GPL"); -- cgit v1.2.3