1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright(c) 2023 Advanced Micro Devices, Inc */ 3 4 #include "core.h" 5 #include <linux/pds/pds_auxbus.h> 6 7 static struct 8 pdsc_viftype *pdsc_dl_find_viftype_by_id(struct pdsc *pdsc, 9 enum devlink_param_type dl_id) 10 { 11 int vt; 12 13 if (!pdsc->viftype_status) 14 return NULL; 15 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]; 19 } 20 21 return NULL; 22 } 23 24 int pdsc_dl_enable_get(struct devlink *dl, u32 id, 25 struct devlink_param_gset_ctx *ctx) 26 { 27 struct pdsc *pdsc = devlink_priv(dl); 28 struct pdsc_viftype *vt_entry; 29 30 vt_entry = pdsc_dl_find_viftype_by_id(pdsc, id); 31 if (!vt_entry) 32 return -ENOENT; 33 34 ctx->val.vbool = vt_entry->enabled; 35 36 return 0; 37 } 38 39 int pdsc_dl_enable_set(struct devlink *dl, u32 id, 40 struct devlink_param_gset_ctx *ctx) 41 { 42 struct pdsc *pdsc = devlink_priv(dl); 43 struct pdsc_viftype *vt_entry; 44 int err = 0; 45 int vf_id; 46 47 vt_entry = pdsc_dl_find_viftype_by_id(pdsc, id); 48 if (!vt_entry || !vt_entry->supported) 49 return -EOPNOTSUPP; 50 51 if (vt_entry->enabled == ctx->val.vbool) 52 return 0; 53 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; 57 58 err = ctx->val.vbool ? pdsc_auxbus_dev_add(vf, pdsc) : 59 pdsc_auxbus_dev_del(vf, pdsc); 60 } 61 62 return err; 63 } 64 65 int pdsc_dl_enable_validate(struct devlink *dl, u32 id, 66 union devlink_param_value val, 67 struct netlink_ext_ack *extack) 68 { 69 struct pdsc *pdsc = devlink_priv(dl); 70 struct pdsc_viftype *vt_entry; 71 72 vt_entry = pdsc_dl_find_viftype_by_id(pdsc, id); 73 if (!vt_entry || !vt_entry->supported) 74 return -EOPNOTSUPP; 75 76 if (!pdsc->viftype_status[vt_entry->vif_id].supported) 77 return -ENODEV; 78 79 return 0; 80 } 81 82 int pdsc_dl_flash_update(struct devlink *dl, 83 struct devlink_flash_update_params *params, 84 struct netlink_ext_ack *extack) 85 { 86 struct pdsc *pdsc = devlink_priv(dl); 87 88 return pdsc_firmware_update(pdsc, params->fw, extack); 89 } 90 91 static char *fw_slotnames[] = { 92 "fw.goldfw", 93 "fw.mainfwa", 94 "fw.mainfwb", 95 }; 96 97 int pdsc_dl_info_get(struct devlink *dl, struct devlink_info_req *req, 98 struct netlink_ext_ack *extack) 99 { 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, 103 }; 104 struct pds_core_fw_list_info fw_list; 105 struct pdsc *pdsc = devlink_priv(dl); 106 union pds_core_dev_comp comp; 107 char buf[16]; 108 int listlen; 109 int err; 110 int i; 111 112 mutex_lock(&pdsc->devcmd_lock); 113 err = pdsc_devcmd_locked(pdsc, &cmd, &comp, pdsc->devcmd_timeout * 2); 114 memcpy_fromio(&fw_list, pdsc->cmd_regs->data, sizeof(fw_list)); 115 mutex_unlock(&pdsc->devcmd_lock); 116 if (err && err != -EIO) 117 return err; 118 119 listlen = fw_list.num_fw_slots; 120 for (i = 0; i < listlen; i++) { 121 if (i < ARRAY_SIZE(fw_slotnames)) 122 strscpy(buf, fw_slotnames[i], sizeof(buf)); 123 else 124 snprintf(buf, sizeof(buf), "fw.slot_%d", i); 125 err = devlink_info_version_stored_put(req, buf, 126 fw_list.fw_names[i].fw_version); 127 } 128 129 err = devlink_info_version_running_put(req, 130 DEVLINK_INFO_VERSION_GENERIC_FW, 131 pdsc->dev_info.fw_version); 132 if (err) 133 return err; 134 135 snprintf(buf, sizeof(buf), "0x%x", pdsc->dev_info.asic_type); 136 err = devlink_info_version_fixed_put(req, 137 DEVLINK_INFO_VERSION_GENERIC_ASIC_ID, 138 buf); 139 if (err) 140 return err; 141 142 snprintf(buf, sizeof(buf), "0x%x", pdsc->dev_info.asic_rev); 143 err = devlink_info_version_fixed_put(req, 144 DEVLINK_INFO_VERSION_GENERIC_ASIC_REV, 145 buf); 146 if (err) 147 return err; 148 149 return devlink_info_serial_number_put(req, pdsc->dev_info.serial_num); 150 } 151 152 int pdsc_fw_reporter_diagnose(struct devlink_health_reporter *reporter, 153 struct devlink_fmsg *fmsg, 154 struct netlink_ext_ack *extack) 155 { 156 struct pdsc *pdsc = devlink_health_reporter_priv(reporter); 157 int err; 158 159 mutex_lock(&pdsc->config_lock); 160 161 if (test_bit(PDSC_S_FW_DEAD, &pdsc->state)) 162 err = devlink_fmsg_string_pair_put(fmsg, "Status", "dead"); 163 else if (!pdsc_is_fw_good(pdsc)) 164 err = devlink_fmsg_string_pair_put(fmsg, "Status", "unhealthy"); 165 else 166 err = devlink_fmsg_string_pair_put(fmsg, "Status", "healthy"); 167 168 mutex_unlock(&pdsc->config_lock); 169 170 if (err) 171 return err; 172 173 err = devlink_fmsg_u32_pair_put(fmsg, "State", 174 pdsc->fw_status & 175 ~PDS_CORE_FW_STS_F_GENERATION); 176 if (err) 177 return err; 178 179 err = devlink_fmsg_u32_pair_put(fmsg, "Generation", 180 pdsc->fw_generation >> 4); 181 if (err) 182 return err; 183 184 return devlink_fmsg_u32_pair_put(fmsg, "Recoveries", 185 pdsc->fw_recoveries); 186 } 187