1 | // SPDX-License-Identifier: GPL-2.0+ |
2 | // Copyright 2019 IBM Corp. |
3 | #include <linux/module.h> |
4 | #include "ocxl_internal.h" |
5 | |
6 | /* |
7 | * Any opencapi device which wants to use this 'generic' driver should |
8 | * use the 0x062B device ID. Vendors should define the subsystem |
9 | * vendor/device ID to help differentiate devices. |
10 | */ |
11 | static const struct pci_device_id ocxl_pci_tbl[] = { |
12 | { PCI_DEVICE(PCI_VENDOR_ID_IBM, 0x062B), }, |
13 | { } |
14 | }; |
15 | MODULE_DEVICE_TABLE(pci, ocxl_pci_tbl); |
16 | |
17 | static int ocxl_probe(struct pci_dev *dev, const struct pci_device_id *id) |
18 | { |
19 | int rc; |
20 | struct ocxl_afu *afu, *tmp; |
21 | struct ocxl_fn *fn; |
22 | struct list_head *afu_list; |
23 | |
24 | fn = ocxl_function_open(dev); |
25 | if (IS_ERR(ptr: fn)) |
26 | return PTR_ERR(ptr: fn); |
27 | |
28 | pci_set_drvdata(pdev: dev, data: fn); |
29 | |
30 | afu_list = ocxl_function_afu_list(fn); |
31 | |
32 | list_for_each_entry_safe(afu, tmp, afu_list, list) { |
33 | // Cleanup handled within ocxl_file_register_afu() |
34 | rc = ocxl_file_register_afu(afu); |
35 | if (rc) { |
36 | dev_err(&dev->dev, "Failed to register AFU '%s' index %d" , |
37 | afu->config.name, afu->config.idx); |
38 | } |
39 | } |
40 | |
41 | return 0; |
42 | } |
43 | |
44 | static void ocxl_remove(struct pci_dev *dev) |
45 | { |
46 | struct ocxl_fn *fn; |
47 | struct ocxl_afu *afu; |
48 | struct list_head *afu_list; |
49 | |
50 | fn = pci_get_drvdata(pdev: dev); |
51 | afu_list = ocxl_function_afu_list(fn); |
52 | |
53 | list_for_each_entry(afu, afu_list, list) { |
54 | ocxl_file_unregister_afu(afu); |
55 | } |
56 | |
57 | ocxl_function_close(fn); |
58 | } |
59 | |
60 | struct pci_driver ocxl_pci_driver = { |
61 | .name = "ocxl" , |
62 | .id_table = ocxl_pci_tbl, |
63 | .probe = ocxl_probe, |
64 | .remove = ocxl_remove, |
65 | .shutdown = ocxl_remove, |
66 | }; |
67 | |