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 */
11static const struct pci_device_id ocxl_pci_tbl[] = {
12	{ PCI_DEVICE(PCI_VENDOR_ID_IBM, 0x062B), },
13	{ }
14};
15MODULE_DEVICE_TABLE(pci, ocxl_pci_tbl);
16
17static 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(fn))
26		return PTR_ERR(fn);
27
28	pci_set_drvdata(dev, 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
44static 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(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
60struct 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