1// SPDX-License-Identifier: GPL-2.0
 2/* Copyright(c) 2017 - 2019 Pensando Systems, Inc */
 3
 4#include <linux/module.h>
 5#include <linux/netdevice.h>
 6
 7#include "ionic.h"
 8#include "ionic_bus.h"
 9#include "ionic_lif.h"
10#include "ionic_devlink.h"
11
12static int ionic_dl_info_get(struct devlink *dl, struct devlink_info_req *req,
13			     struct netlink_ext_ack *extack)
14{
15	struct ionic *ionic = devlink_priv(dl);
16	struct ionic_dev *idev = &ionic->idev;
17	char buf[16];
18	int err = 0;
19
20	err = devlink_info_driver_name_put(req, IONIC_DRV_NAME);
21	if (err)
22		goto info_out;
23
24	err = devlink_info_version_running_put(req,
25					       DEVLINK_INFO_VERSION_GENERIC_FW,
26					       idev->dev_info.fw_version);
27	if (err)
28		goto info_out;
29
30	snprintf(buf, sizeof(buf), "0x%x", idev->dev_info.asic_type);
31	err = devlink_info_version_fixed_put(req,
32					     DEVLINK_INFO_VERSION_GENERIC_ASIC_ID,
33					     buf);
34	if (err)
35		goto info_out;
36
37	snprintf(buf, sizeof(buf), "0x%x", idev->dev_info.asic_rev);
38	err = devlink_info_version_fixed_put(req,
39					     DEVLINK_INFO_VERSION_GENERIC_ASIC_REV,
40					     buf);
41	if (err)
42		goto info_out;
43
44	err = devlink_info_serial_number_put(req, idev->dev_info.serial_num);
45
46info_out:
47	return err;
48}
49
50static const struct devlink_ops ionic_dl_ops = {
51	.info_get	= ionic_dl_info_get,
52};
53
54struct ionic *ionic_devlink_alloc(struct device *dev)
55{
56	struct devlink *dl;
57
58	dl = devlink_alloc(&ionic_dl_ops, sizeof(struct ionic));
59
60	return devlink_priv(dl);
61}
62
63void ionic_devlink_free(struct ionic *ionic)
64{
65	struct devlink *dl = priv_to_devlink(ionic);
66
67	devlink_free(dl);
68}
69
70int ionic_devlink_register(struct ionic *ionic)
71{
72	struct devlink *dl = priv_to_devlink(ionic);
73	int err;
74
75	err = devlink_register(dl, ionic->dev);
76	if (err) {
77		dev_warn(ionic->dev, "devlink_register failed: %d\n", err);
78		return err;
79	}
80
81	devlink_port_attrs_set(&ionic->dl_port, DEVLINK_PORT_FLAVOUR_PHYSICAL,
82			       0, false, 0, NULL, 0);
83	err = devlink_port_register(dl, &ionic->dl_port, 0);
84	if (err)
85		dev_err(ionic->dev, "devlink_port_register failed: %d\n", err);
86	else
87		devlink_port_type_eth_set(&ionic->dl_port,
88					  ionic->master_lif->netdev);
89
90	return err;
91}
92
93void ionic_devlink_unregister(struct ionic *ionic)
94{
95	struct devlink *dl = priv_to_devlink(ionic);
96
97	devlink_port_unregister(&ionic->dl_port);
98	devlink_unregister(dl);
99}