1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0+
2*4882a593Smuzhiyun // Copyright 2019 IBM Corp.
3*4882a593Smuzhiyun #include <linux/module.h>
4*4882a593Smuzhiyun #include "ocxl_internal.h"
5*4882a593Smuzhiyun
6*4882a593Smuzhiyun /*
7*4882a593Smuzhiyun * Any opencapi device which wants to use this 'generic' driver should
8*4882a593Smuzhiyun * use the 0x062B device ID. Vendors should define the subsystem
9*4882a593Smuzhiyun * vendor/device ID to help differentiate devices.
10*4882a593Smuzhiyun */
11*4882a593Smuzhiyun static const struct pci_device_id ocxl_pci_tbl[] = {
12*4882a593Smuzhiyun { PCI_DEVICE(PCI_VENDOR_ID_IBM, 0x062B), },
13*4882a593Smuzhiyun { }
14*4882a593Smuzhiyun };
15*4882a593Smuzhiyun MODULE_DEVICE_TABLE(pci, ocxl_pci_tbl);
16*4882a593Smuzhiyun
ocxl_probe(struct pci_dev * dev,const struct pci_device_id * id)17*4882a593Smuzhiyun static int ocxl_probe(struct pci_dev *dev, const struct pci_device_id *id)
18*4882a593Smuzhiyun {
19*4882a593Smuzhiyun int rc;
20*4882a593Smuzhiyun struct ocxl_afu *afu, *tmp;
21*4882a593Smuzhiyun struct ocxl_fn *fn;
22*4882a593Smuzhiyun struct list_head *afu_list;
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun fn = ocxl_function_open(dev);
25*4882a593Smuzhiyun if (IS_ERR(fn))
26*4882a593Smuzhiyun return PTR_ERR(fn);
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun pci_set_drvdata(dev, fn);
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun afu_list = ocxl_function_afu_list(fn);
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun list_for_each_entry_safe(afu, tmp, afu_list, list) {
33*4882a593Smuzhiyun // Cleanup handled within ocxl_file_register_afu()
34*4882a593Smuzhiyun rc = ocxl_file_register_afu(afu);
35*4882a593Smuzhiyun if (rc) {
36*4882a593Smuzhiyun dev_err(&dev->dev, "Failed to register AFU '%s' index %d",
37*4882a593Smuzhiyun afu->config.name, afu->config.idx);
38*4882a593Smuzhiyun }
39*4882a593Smuzhiyun }
40*4882a593Smuzhiyun
41*4882a593Smuzhiyun return 0;
42*4882a593Smuzhiyun }
43*4882a593Smuzhiyun
ocxl_remove(struct pci_dev * dev)44*4882a593Smuzhiyun static void ocxl_remove(struct pci_dev *dev)
45*4882a593Smuzhiyun {
46*4882a593Smuzhiyun struct ocxl_fn *fn;
47*4882a593Smuzhiyun struct ocxl_afu *afu;
48*4882a593Smuzhiyun struct list_head *afu_list;
49*4882a593Smuzhiyun
50*4882a593Smuzhiyun fn = pci_get_drvdata(dev);
51*4882a593Smuzhiyun afu_list = ocxl_function_afu_list(fn);
52*4882a593Smuzhiyun
53*4882a593Smuzhiyun list_for_each_entry(afu, afu_list, list) {
54*4882a593Smuzhiyun ocxl_file_unregister_afu(afu);
55*4882a593Smuzhiyun }
56*4882a593Smuzhiyun
57*4882a593Smuzhiyun ocxl_function_close(fn);
58*4882a593Smuzhiyun }
59*4882a593Smuzhiyun
60*4882a593Smuzhiyun struct pci_driver ocxl_pci_driver = {
61*4882a593Smuzhiyun .name = "ocxl",
62*4882a593Smuzhiyun .id_table = ocxl_pci_tbl,
63*4882a593Smuzhiyun .probe = ocxl_probe,
64*4882a593Smuzhiyun .remove = ocxl_remove,
65*4882a593Smuzhiyun .shutdown = ocxl_remove,
66*4882a593Smuzhiyun };
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