1 // SPDX-License-Identifier: GPL-2.0-only
2 /* Copyright (C) 2021 Marvell. */
3
4 #include "otx2_cpt_devlink.h"
5
otx2_cpt_dl_egrp_create(struct devlink * dl,u32 id,struct devlink_param_gset_ctx * ctx)6 static int otx2_cpt_dl_egrp_create(struct devlink *dl, u32 id,
7 struct devlink_param_gset_ctx *ctx)
8 {
9 struct otx2_cpt_devlink *cpt_dl = devlink_priv(dl);
10 struct otx2_cptpf_dev *cptpf = cpt_dl->cptpf;
11
12 return otx2_cpt_dl_custom_egrp_create(cptpf, ctx);
13 }
14
otx2_cpt_dl_egrp_delete(struct devlink * dl,u32 id,struct devlink_param_gset_ctx * ctx)15 static int otx2_cpt_dl_egrp_delete(struct devlink *dl, u32 id,
16 struct devlink_param_gset_ctx *ctx)
17 {
18 struct otx2_cpt_devlink *cpt_dl = devlink_priv(dl);
19 struct otx2_cptpf_dev *cptpf = cpt_dl->cptpf;
20
21 return otx2_cpt_dl_custom_egrp_delete(cptpf, ctx);
22 }
23
otx2_cpt_dl_uc_info(struct devlink * dl,u32 id,struct devlink_param_gset_ctx * ctx)24 static int otx2_cpt_dl_uc_info(struct devlink *dl, u32 id,
25 struct devlink_param_gset_ctx *ctx)
26 {
27 struct otx2_cpt_devlink *cpt_dl = devlink_priv(dl);
28 struct otx2_cptpf_dev *cptpf = cpt_dl->cptpf;
29
30 otx2_cpt_print_uc_dbg_info(cptpf);
31
32 return 0;
33 }
34
35 enum otx2_cpt_dl_param_id {
36 OTX2_CPT_DEVLINK_PARAM_ID_BASE = DEVLINK_PARAM_GENERIC_ID_MAX,
37 OTX2_CPT_DEVLINK_PARAM_ID_EGRP_CREATE,
38 OTX2_CPT_DEVLINK_PARAM_ID_EGRP_DELETE,
39 };
40
41 static const struct devlink_param otx2_cpt_dl_params[] = {
42 DEVLINK_PARAM_DRIVER(OTX2_CPT_DEVLINK_PARAM_ID_EGRP_CREATE,
43 "egrp_create", DEVLINK_PARAM_TYPE_STRING,
44 BIT(DEVLINK_PARAM_CMODE_RUNTIME),
45 otx2_cpt_dl_uc_info, otx2_cpt_dl_egrp_create,
46 NULL),
47 DEVLINK_PARAM_DRIVER(OTX2_CPT_DEVLINK_PARAM_ID_EGRP_DELETE,
48 "egrp_delete", DEVLINK_PARAM_TYPE_STRING,
49 BIT(DEVLINK_PARAM_CMODE_RUNTIME),
50 otx2_cpt_dl_uc_info, otx2_cpt_dl_egrp_delete,
51 NULL),
52 };
53
otx2_cpt_devlink_info_get(struct devlink * devlink,struct devlink_info_req * req,struct netlink_ext_ack * extack)54 static int otx2_cpt_devlink_info_get(struct devlink *devlink,
55 struct devlink_info_req *req,
56 struct netlink_ext_ack *extack)
57 {
58 return devlink_info_driver_name_put(req, "rvu_cptpf");
59 }
60
61 static const struct devlink_ops otx2_cpt_devlink_ops = {
62 .info_get = otx2_cpt_devlink_info_get,
63 };
64
otx2_cpt_register_dl(struct otx2_cptpf_dev * cptpf)65 int otx2_cpt_register_dl(struct otx2_cptpf_dev *cptpf)
66 {
67 struct device *dev = &cptpf->pdev->dev;
68 struct otx2_cpt_devlink *cpt_dl;
69 struct devlink *dl;
70 int ret;
71
72 dl = devlink_alloc(&otx2_cpt_devlink_ops,
73 sizeof(struct otx2_cpt_devlink), dev);
74 if (!dl) {
75 dev_warn(dev, "devlink_alloc failed\n");
76 return -ENOMEM;
77 }
78
79 cpt_dl = devlink_priv(dl);
80 cpt_dl->dl = dl;
81 cpt_dl->cptpf = cptpf;
82 cptpf->dl = dl;
83 ret = devlink_params_register(dl, otx2_cpt_dl_params,
84 ARRAY_SIZE(otx2_cpt_dl_params));
85 if (ret) {
86 dev_err(dev, "devlink params register failed with error %d",
87 ret);
88 devlink_free(dl);
89 return ret;
90 }
91
92 devlink_register(dl);
93
94 return 0;
95 }
96
otx2_cpt_unregister_dl(struct otx2_cptpf_dev * cptpf)97 void otx2_cpt_unregister_dl(struct otx2_cptpf_dev *cptpf)
98 {
99 struct devlink *dl = cptpf->dl;
100
101 if (!dl)
102 return;
103
104 devlink_unregister(dl);
105 devlink_params_unregister(dl, otx2_cpt_dl_params,
106 ARRAY_SIZE(otx2_cpt_dl_params));
107 devlink_free(dl);
108 }
109