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 
12 static int ionic_dl_flash_update(struct devlink *dl,
13 				 struct devlink_flash_update_params *params,
14 				 struct netlink_ext_ack *extack)
15 {
16 	struct ionic *ionic = devlink_priv(dl);
17 
18 	return ionic_firmware_update(ionic->lif, params->fw, extack);
19 }
20 
21 static int ionic_dl_info_get(struct devlink *dl, struct devlink_info_req *req,
22 			     struct netlink_ext_ack *extack)
23 {
24 	struct ionic *ionic = devlink_priv(dl);
25 	struct ionic_dev *idev = &ionic->idev;
26 	char buf[16];
27 	int err = 0;
28 
29 	err = devlink_info_version_running_put(req,
30 					       DEVLINK_INFO_VERSION_GENERIC_FW,
31 					       idev->dev_info.fw_version);
32 	if (err)
33 		return err;
34 
35 	snprintf(buf, sizeof(buf), "0x%x", idev->dev_info.asic_type);
36 	err = devlink_info_version_fixed_put(req,
37 					     DEVLINK_INFO_VERSION_GENERIC_ASIC_ID,
38 					     buf);
39 	if (err)
40 		return err;
41 
42 	snprintf(buf, sizeof(buf), "0x%x", idev->dev_info.asic_rev);
43 	err = devlink_info_version_fixed_put(req,
44 					     DEVLINK_INFO_VERSION_GENERIC_ASIC_REV,
45 					     buf);
46 	if (err)
47 		return err;
48 
49 	err = devlink_info_serial_number_put(req, idev->dev_info.serial_num);
50 
51 	return err;
52 }
53 
54 static const struct devlink_ops ionic_dl_ops = {
55 	.info_get	= ionic_dl_info_get,
56 	.flash_update	= ionic_dl_flash_update,
57 };
58 
59 struct ionic *ionic_devlink_alloc(struct device *dev)
60 {
61 	struct devlink *dl;
62 
63 	dl = devlink_alloc(&ionic_dl_ops, sizeof(struct ionic), dev);
64 	if (!dl)
65 		return NULL;
66 
67 	return devlink_priv(dl);
68 }
69 
70 void ionic_devlink_free(struct ionic *ionic)
71 {
72 	struct devlink *dl = priv_to_devlink(ionic);
73 
74 	devlink_free(dl);
75 }
76 
77 int ionic_devlink_register(struct ionic *ionic)
78 {
79 	struct devlink *dl = priv_to_devlink(ionic);
80 	struct devlink_port_attrs attrs = {};
81 	int err;
82 
83 	attrs.flavour = DEVLINK_PORT_FLAVOUR_PHYSICAL;
84 	devlink_port_attrs_set(&ionic->dl_port, &attrs);
85 	err = devlink_port_register(dl, &ionic->dl_port, 0);
86 	if (err) {
87 		dev_err(ionic->dev, "devlink_port_register failed: %d\n", err);
88 		return err;
89 	}
90 
91 	SET_NETDEV_DEVLINK_PORT(ionic->lif->netdev, &ionic->dl_port);
92 	devlink_register(dl);
93 	return 0;
94 }
95 
96 void ionic_devlink_unregister(struct ionic *ionic)
97 {
98 	struct devlink *dl = priv_to_devlink(ionic);
99 
100 	devlink_unregister(dl);
101 	devlink_port_unregister(&ionic->dl_port);
102 }
103