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
ionic_dl_flash_update(struct devlink * dl,struct devlink_flash_update_params * params,struct netlink_ext_ack * extack)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
ionic_dl_info_get(struct devlink * dl,struct devlink_info_req * req,struct netlink_ext_ack * extack)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_driver_name_put(req, IONIC_DRV_NAME);
30 if (err)
31 return err;
32
33 err = devlink_info_version_running_put(req,
34 DEVLINK_INFO_VERSION_GENERIC_FW,
35 idev->dev_info.fw_version);
36 if (err)
37 return err;
38
39 snprintf(buf, sizeof(buf), "0x%x", idev->dev_info.asic_type);
40 err = devlink_info_version_fixed_put(req,
41 DEVLINK_INFO_VERSION_GENERIC_ASIC_ID,
42 buf);
43 if (err)
44 return err;
45
46 snprintf(buf, sizeof(buf), "0x%x", idev->dev_info.asic_rev);
47 err = devlink_info_version_fixed_put(req,
48 DEVLINK_INFO_VERSION_GENERIC_ASIC_REV,
49 buf);
50 if (err)
51 return err;
52
53 err = devlink_info_serial_number_put(req, idev->dev_info.serial_num);
54
55 return err;
56 }
57
58 static const struct devlink_ops ionic_dl_ops = {
59 .info_get = ionic_dl_info_get,
60 .flash_update = ionic_dl_flash_update,
61 };
62
ionic_devlink_alloc(struct device * dev)63 struct ionic *ionic_devlink_alloc(struct device *dev)
64 {
65 struct devlink *dl;
66
67 dl = devlink_alloc(&ionic_dl_ops, sizeof(struct ionic), dev);
68 if (!dl)
69 return NULL;
70
71 return devlink_priv(dl);
72 }
73
ionic_devlink_free(struct ionic * ionic)74 void ionic_devlink_free(struct ionic *ionic)
75 {
76 struct devlink *dl = priv_to_devlink(ionic);
77
78 devlink_free(dl);
79 }
80
ionic_devlink_register(struct ionic * ionic)81 int ionic_devlink_register(struct ionic *ionic)
82 {
83 struct devlink *dl = priv_to_devlink(ionic);
84 struct devlink_port_attrs attrs = {};
85 int err;
86
87 err = devlink_register(dl);
88 if (err) {
89 dev_warn(ionic->dev, "devlink_register failed: %d\n", err);
90 return err;
91 }
92
93 attrs.flavour = DEVLINK_PORT_FLAVOUR_PHYSICAL;
94 devlink_port_attrs_set(&ionic->dl_port, &attrs);
95 err = devlink_port_register(dl, &ionic->dl_port, 0);
96 if (err) {
97 dev_err(ionic->dev, "devlink_port_register failed: %d\n", err);
98 devlink_unregister(dl);
99 return err;
100 }
101
102 devlink_port_type_eth_set(&ionic->dl_port, ionic->lif->netdev);
103 return 0;
104 }
105
ionic_devlink_unregister(struct ionic * ionic)106 void ionic_devlink_unregister(struct ionic *ionic)
107 {
108 struct devlink *dl = priv_to_devlink(ionic);
109
110 devlink_port_unregister(&ionic->dl_port);
111 devlink_unregister(dl);
112 }
113