1 | // SPDX-License-Identifier: GPL-2.0+ |
2 | /* |
3 | * Pvpanic PCI Device Support |
4 | * |
5 | * Copyright (C) 2021 Oracle. |
6 | */ |
7 | |
8 | #include <linux/errno.h> |
9 | #include <linux/module.h> |
10 | #include <linux/pci.h> |
11 | #include <linux/types.h> |
12 | |
13 | #include "pvpanic.h" |
14 | |
15 | #define PCI_DEVICE_ID_REDHAT_PVPANIC 0x0011 |
16 | |
17 | MODULE_AUTHOR("Mihai Carabas <mihai.carabas@oracle.com>" ); |
18 | MODULE_DESCRIPTION("pvpanic device driver" ); |
19 | MODULE_LICENSE("GPL" ); |
20 | |
21 | static int pvpanic_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) |
22 | { |
23 | void __iomem *base; |
24 | int ret; |
25 | |
26 | ret = pcim_enable_device(pdev); |
27 | if (ret < 0) |
28 | return ret; |
29 | |
30 | base = pcim_iomap(pdev, bar: 0, maxlen: 0); |
31 | if (!base) |
32 | return -ENOMEM; |
33 | |
34 | return devm_pvpanic_probe(dev: &pdev->dev, base); |
35 | } |
36 | |
37 | static const struct pci_device_id pvpanic_pci_id_tbl[] = { |
38 | { PCI_DEVICE(PCI_VENDOR_ID_REDHAT, PCI_DEVICE_ID_REDHAT_PVPANIC)}, |
39 | {} |
40 | }; |
41 | MODULE_DEVICE_TABLE(pci, pvpanic_pci_id_tbl); |
42 | |
43 | static struct pci_driver pvpanic_pci_driver = { |
44 | .name = "pvpanic-pci" , |
45 | .id_table = pvpanic_pci_id_tbl, |
46 | .probe = pvpanic_pci_probe, |
47 | .driver = { |
48 | .dev_groups = pvpanic_dev_groups, |
49 | }, |
50 | }; |
51 | module_pci_driver(pvpanic_pci_driver); |
52 | |