1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2023 Advanced Micro Devices, Inc */
5 #include <linux/pds/pds_auxbus.h>
8 pdsc_viftype *pdsc_dl_find_viftype_by_id(struct pdsc *pdsc,
9 enum devlink_param_type dl_id)
13 if (!pdsc->viftype_status)
16 for (vt = 0; vt < PDS_DEV_TYPE_MAX; vt++) {
17 if (pdsc->viftype_status[vt].dl_id == dl_id)
18 return &pdsc->viftype_status[vt];
24 int pdsc_dl_enable_get(struct devlink *dl, u32 id,
25 struct devlink_param_gset_ctx *ctx)
27 struct pdsc *pdsc = devlink_priv(dl);
28 struct pdsc_viftype *vt_entry;
30 vt_entry = pdsc_dl_find_viftype_by_id(pdsc, id);
34 ctx->val.vbool = vt_entry->enabled;
39 int pdsc_dl_enable_set(struct devlink *dl, u32 id,
40 struct devlink_param_gset_ctx *ctx)
42 struct pdsc *pdsc = devlink_priv(dl);
43 struct pdsc_viftype *vt_entry;
47 vt_entry = pdsc_dl_find_viftype_by_id(pdsc, id);
48 if (!vt_entry || !vt_entry->supported)
51 if (vt_entry->enabled == ctx->val.vbool)
54 vt_entry->enabled = ctx->val.vbool;
55 for (vf_id = 0; vf_id < pdsc->num_vfs; vf_id++) {
56 struct pdsc *vf = pdsc->vfs[vf_id].vf;
58 err = ctx->val.vbool ? pdsc_auxbus_dev_add(vf, pdsc) :
59 pdsc_auxbus_dev_del(vf, pdsc);
65 int pdsc_dl_enable_validate(struct devlink *dl, u32 id,
66 union devlink_param_value val,
67 struct netlink_ext_ack *extack)
69 struct pdsc *pdsc = devlink_priv(dl);
70 struct pdsc_viftype *vt_entry;
72 vt_entry = pdsc_dl_find_viftype_by_id(pdsc, id);
73 if (!vt_entry || !vt_entry->supported)
76 if (!pdsc->viftype_status[vt_entry->vif_id].supported)
82 int pdsc_dl_flash_update(struct devlink *dl,
83 struct devlink_flash_update_params *params,
84 struct netlink_ext_ack *extack)
86 struct pdsc *pdsc = devlink_priv(dl);
88 return pdsc_firmware_update(pdsc, params->fw, extack);
91 static char *fw_slotnames[] = {
97 int pdsc_dl_info_get(struct devlink *dl, struct devlink_info_req *req,
98 struct netlink_ext_ack *extack)
100 union pds_core_dev_cmd cmd = {
101 .fw_control.opcode = PDS_CORE_CMD_FW_CONTROL,
102 .fw_control.oper = PDS_CORE_FW_GET_LIST,
104 struct pds_core_fw_list_info fw_list;
105 struct pdsc *pdsc = devlink_priv(dl);
106 union pds_core_dev_comp comp;
112 mutex_lock(&pdsc->devcmd_lock);
113 err = pdsc_devcmd_locked(pdsc, &cmd, &comp, pdsc->devcmd_timeout * 2);
115 memcpy_fromio(&fw_list, pdsc->cmd_regs->data, sizeof(fw_list));
116 mutex_unlock(&pdsc->devcmd_lock);
117 if (err && err != -EIO)
120 listlen = fw_list.num_fw_slots;
121 for (i = 0; i < listlen; i++) {
122 if (i < ARRAY_SIZE(fw_slotnames))
123 strscpy(buf, fw_slotnames[i], sizeof(buf));
125 snprintf(buf, sizeof(buf), "fw.slot_%d", i);
126 err = devlink_info_version_stored_put(req, buf,
127 fw_list.fw_names[i].fw_version);
132 err = devlink_info_version_running_put(req,
133 DEVLINK_INFO_VERSION_GENERIC_FW,
134 pdsc->dev_info.fw_version);
138 snprintf(buf, sizeof(buf), "0x%x", pdsc->dev_info.asic_type);
139 err = devlink_info_version_fixed_put(req,
140 DEVLINK_INFO_VERSION_GENERIC_ASIC_ID,
145 snprintf(buf, sizeof(buf), "0x%x", pdsc->dev_info.asic_rev);
146 err = devlink_info_version_fixed_put(req,
147 DEVLINK_INFO_VERSION_GENERIC_ASIC_REV,
152 return devlink_info_serial_number_put(req, pdsc->dev_info.serial_num);
155 int pdsc_fw_reporter_diagnose(struct devlink_health_reporter *reporter,
156 struct devlink_fmsg *fmsg,
157 struct netlink_ext_ack *extack)
159 struct pdsc *pdsc = devlink_health_reporter_priv(reporter);
161 mutex_lock(&pdsc->config_lock);
162 if (test_bit(PDSC_S_FW_DEAD, &pdsc->state))
163 devlink_fmsg_string_pair_put(fmsg, "Status", "dead");
164 else if (!pdsc_is_fw_good(pdsc))
165 devlink_fmsg_string_pair_put(fmsg, "Status", "unhealthy");
167 devlink_fmsg_string_pair_put(fmsg, "Status", "healthy");
168 mutex_unlock(&pdsc->config_lock);
170 devlink_fmsg_u32_pair_put(fmsg, "State",
171 pdsc->fw_status & ~PDS_CORE_FW_STS_F_GENERATION);
172 devlink_fmsg_u32_pair_put(fmsg, "Generation", pdsc->fw_generation >> 4);
173 devlink_fmsg_u32_pair_put(fmsg, "Recoveries", pdsc->fw_recoveries);