1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2014-2018 Broadcom 3 * All rights reserved. 4 */ 5 6 #include <rte_malloc.h> 7 #include <rte_alarm.h> 8 #include <rte_cycles.h> 9 10 #include "bnxt.h" 11 #include "bnxt_hwrm.h" 12 #include "bnxt_ring.h" 13 #include "hsi_struct_def_dpdk.h" 14 15 void bnxt_wait_for_device_shutdown(struct bnxt *bp) 16 { 17 uint32_t val, timeout; 18 19 /* if HWRM_FUNC_QCAPS_OUTPUT_FLAGS_ERR_RECOVER_RELOAD is set 20 * in HWRM_FUNC_QCAPS command, wait for FW_STATUS to set 21 * the SHUTDOWN bit in health register 22 */ 23 if (!(bp->recovery_info && 24 (bp->fw_cap & BNXT_FW_CAP_ERR_RECOVER_RELOAD))) 25 return; 26 27 /* Driver has to wait for fw_reset_max_msecs or shutdown bit which comes 28 * first for FW to collect crash dump. 29 */ 30 timeout = bp->fw_reset_max_msecs; 31 32 /* Driver has to poll for shutdown bit in fw_status register 33 * 34 * 1. in case of hot fw upgrade, this bit will be set after all 35 * function drivers unregistered with fw. 36 * 2. in case of fw initiated error recovery, this bit will be 37 * set after fw has collected the core dump 38 */ 39 do { 40 val = bnxt_read_fw_status_reg(bp, BNXT_FW_STATUS_REG); 41 if (val & BNXT_FW_STATUS_SHUTDOWN) 42 return; 43 44 rte_delay_ms(100); 45 timeout -= 100; 46 } while (timeout); 47 } 48 49 static void 50 bnxt_process_default_vnic_change(struct bnxt *bp, 51 struct hwrm_async_event_cmpl *async_cmp) 52 { 53 uint16_t fid, vnic_state, parent_id, vf_fid, vf_id; 54 struct bnxt_vf_representor *vf_rep_bp; 55 struct rte_eth_dev *eth_dev; 56 bool vfr_found = false; 57 uint32_t event_data; 58 59 if (!BNXT_TRUFLOW_EN(bp)) 60 return; 61 62 PMD_DRV_LOG(INFO, "Default vnic change async event received\n"); 63 event_data = rte_le_to_cpu_32(async_cmp->event_data1); 64 65 vnic_state = (event_data & BNXT_DEFAULT_VNIC_STATE_MASK) >> 66 BNXT_DEFAULT_VNIC_STATE_SFT; 67 if (vnic_state != BNXT_DEFAULT_VNIC_ALLOC) 68 return; 69 70 parent_id = (event_data & BNXT_DEFAULT_VNIC_CHANGE_PF_ID_MASK) >> 71 BNXT_DEFAULT_VNIC_CHANGE_PF_ID_SFT; 72 fid = BNXT_PF(bp) ? bp->fw_fid : bp->parent->fid; 73 if (parent_id != fid || !bp->rep_info) 74 return; 75 76 vf_fid = (event_data & BNXT_DEFAULT_VNIC_CHANGE_VF_ID_MASK) >> 77 BNXT_DEFAULT_VNIC_CHANGE_VF_ID_SFT; 78 PMD_DRV_LOG(INFO, "async event received vf_id 0x%x\n", vf_fid); 79 80 for (vf_id = 0; vf_id < BNXT_MAX_VF_REPS; vf_id++) { 81 eth_dev = bp->rep_info[vf_id].vfr_eth_dev; 82 if (!eth_dev) 83 continue; 84 vf_rep_bp = eth_dev->data->dev_private; 85 if (vf_rep_bp && 86 vf_rep_bp->fw_fid == vf_fid) { 87 vfr_found = true; 88 break; 89 } 90 } 91 if (!vfr_found) 92 return; 93 94 bnxt_vf_rep_dev_start_op(eth_dev); 95 } 96 97 /* 98 * Async event handling 99 */ 100 void bnxt_handle_async_event(struct bnxt *bp, 101 struct cmpl_base *cmp) 102 { 103 struct hwrm_async_event_cmpl *async_cmp = 104 (struct hwrm_async_event_cmpl *)cmp; 105 uint16_t event_id = rte_le_to_cpu_16(async_cmp->event_id); 106 struct bnxt_error_recovery_info *info; 107 uint32_t event_data; 108 109 switch (event_id) { 110 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_STATUS_CHANGE: 111 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CHANGE: 112 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CFG_CHANGE: 113 /* FALLTHROUGH */ 114 bnxt_link_update(bp->eth_dev, 0, ETH_LINK_UP); 115 break; 116 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PF_DRVR_UNLOAD: 117 PMD_DRV_LOG(INFO, "Async event: PF driver unloaded\n"); 118 break; 119 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_VF_CFG_CHANGE: 120 PMD_DRV_LOG(INFO, "Async event: VF config changed\n"); 121 bnxt_hwrm_func_qcfg(bp, NULL); 122 break; 123 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PORT_CONN_NOT_ALLOWED: 124 PMD_DRV_LOG(INFO, "Port conn async event\n"); 125 break; 126 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_RESET_NOTIFY: 127 /* Ignore reset notify async events when stopping the port */ 128 if (!bp->eth_dev->data->dev_started) { 129 bp->flags |= BNXT_FLAG_FATAL_ERROR; 130 return; 131 } 132 133 event_data = rte_le_to_cpu_32(async_cmp->event_data1); 134 /* timestamp_lo/hi values are in units of 100ms */ 135 bp->fw_reset_max_msecs = async_cmp->timestamp_hi ? 136 rte_le_to_cpu_16(async_cmp->timestamp_hi) * 100 : 137 BNXT_MAX_FW_RESET_TIMEOUT; 138 bp->fw_reset_min_msecs = async_cmp->timestamp_lo ? 139 async_cmp->timestamp_lo * 100 : 140 BNXT_MIN_FW_READY_TIMEOUT; 141 if ((event_data & EVENT_DATA1_REASON_CODE_MASK) == 142 EVENT_DATA1_REASON_CODE_FW_EXCEPTION_FATAL) { 143 PMD_DRV_LOG(INFO, 144 "Firmware fatal reset event received\n"); 145 bp->flags |= BNXT_FLAG_FATAL_ERROR; 146 } else { 147 PMD_DRV_LOG(INFO, 148 "Firmware non-fatal reset event received\n"); 149 } 150 151 bp->flags |= BNXT_FLAG_FW_RESET; 152 rte_eal_alarm_set(US_PER_MS, bnxt_dev_reset_and_resume, 153 (void *)bp); 154 break; 155 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_ERROR_RECOVERY: 156 info = bp->recovery_info; 157 158 if (!info) 159 return; 160 161 PMD_DRV_LOG(INFO, "Error recovery async event received\n"); 162 163 event_data = rte_le_to_cpu_32(async_cmp->event_data1) & 164 EVENT_DATA1_FLAGS_MASK; 165 166 if (event_data & EVENT_DATA1_FLAGS_MASTER_FUNC) 167 info->flags |= BNXT_FLAG_MASTER_FUNC; 168 else 169 info->flags &= ~BNXT_FLAG_MASTER_FUNC; 170 171 if (event_data & EVENT_DATA1_FLAGS_RECOVERY_ENABLED) 172 info->flags |= BNXT_FLAG_RECOVERY_ENABLED; 173 else 174 info->flags &= ~BNXT_FLAG_RECOVERY_ENABLED; 175 176 PMD_DRV_LOG(INFO, "recovery enabled(%d), master function(%d)\n", 177 bnxt_is_recovery_enabled(bp), 178 bnxt_is_master_func(bp)); 179 180 if (bp->flags & BNXT_FLAG_FW_HEALTH_CHECK_SCHEDULED) 181 return; 182 183 info->last_heart_beat = 184 bnxt_read_fw_status_reg(bp, BNXT_FW_HEARTBEAT_CNT_REG); 185 info->last_reset_counter = 186 bnxt_read_fw_status_reg(bp, BNXT_FW_RECOVERY_CNT_REG); 187 188 bnxt_schedule_fw_health_check(bp); 189 break; 190 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_DEBUG_NOTIFICATION: 191 PMD_DRV_LOG(INFO, "DNC event: evt_data1 %#x evt_data2 %#x\n", 192 rte_le_to_cpu_32(async_cmp->event_data1), 193 rte_le_to_cpu_32(async_cmp->event_data2)); 194 break; 195 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_DEFAULT_VNIC_CHANGE: 196 bnxt_process_default_vnic_change(bp, async_cmp); 197 break; 198 default: 199 PMD_DRV_LOG(DEBUG, "handle_async_event id = 0x%x\n", event_id); 200 break; 201 } 202 } 203 204 void bnxt_handle_fwd_req(struct bnxt *bp, struct cmpl_base *cmpl) 205 { 206 struct hwrm_exec_fwd_resp_input *fwreq; 207 struct hwrm_fwd_req_cmpl *fwd_cmpl = (struct hwrm_fwd_req_cmpl *)cmpl; 208 struct input *fwd_cmd; 209 uint16_t fw_vf_id; 210 uint16_t vf_id; 211 uint16_t req_len; 212 int rc; 213 214 if (bp->pf->active_vfs <= 0) { 215 PMD_DRV_LOG(ERR, "Forwarded VF with no active VFs\n"); 216 return; 217 } 218 219 /* Qualify the fwd request */ 220 fw_vf_id = rte_le_to_cpu_16(fwd_cmpl->source_id); 221 vf_id = fw_vf_id - bp->pf->first_vf_id; 222 223 req_len = (rte_le_to_cpu_16(fwd_cmpl->req_len_type) & 224 HWRM_FWD_REQ_CMPL_REQ_LEN_MASK) >> 225 HWRM_FWD_REQ_CMPL_REQ_LEN_SFT; 226 if (req_len > sizeof(fwreq->encap_request)) 227 req_len = sizeof(fwreq->encap_request); 228 229 /* Locate VF's forwarded command */ 230 fwd_cmd = (struct input *)bp->pf->vf_info[vf_id].req_buf; 231 232 if (fw_vf_id < bp->pf->first_vf_id || 233 fw_vf_id >= bp->pf->first_vf_id + bp->pf->active_vfs) { 234 PMD_DRV_LOG(ERR, 235 "FWD req's source_id 0x%x out of range 0x%x - 0x%x (%d %d)\n", 236 fw_vf_id, bp->pf->first_vf_id, 237 (bp->pf->first_vf_id) + bp->pf->active_vfs - 1, 238 bp->pf->first_vf_id, bp->pf->active_vfs); 239 goto reject; 240 } 241 242 if (bnxt_rcv_msg_from_vf(bp, vf_id, fwd_cmd) == true) { 243 /* 244 * In older firmware versions, the MAC had to be all zeros for 245 * the VF to set it's MAC via hwrm_func_vf_cfg. Set to all 246 * zeros if it's being configured and has been ok'd by caller. 247 */ 248 if (fwd_cmd->req_type == HWRM_FUNC_VF_CFG) { 249 struct hwrm_func_vf_cfg_input *vfc = (void *)fwd_cmd; 250 251 if (vfc->enables & 252 HWRM_FUNC_VF_CFG_INPUT_ENABLES_DFLT_MAC_ADDR) { 253 bnxt_hwrm_func_vf_mac(bp, vf_id, 254 (const uint8_t *)"\x00\x00\x00\x00\x00"); 255 } 256 } 257 if (fwd_cmd->req_type == HWRM_CFA_L2_SET_RX_MASK) { 258 struct hwrm_cfa_l2_set_rx_mask_input *srm = 259 (void *)fwd_cmd; 260 261 srm->vlan_tag_tbl_addr = rte_cpu_to_le_64(0); 262 srm->num_vlan_tags = rte_cpu_to_le_32(0); 263 srm->mask &= ~rte_cpu_to_le_32( 264 HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_VLANONLY | 265 HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_VLAN_NONVLAN | 266 HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_ANYVLAN_NONVLAN); 267 } 268 /* Forward */ 269 rc = bnxt_hwrm_exec_fwd_resp(bp, fw_vf_id, fwd_cmd, req_len); 270 if (rc) { 271 PMD_DRV_LOG(ERR, 272 "Failed to send FWD req VF 0x%x, type 0x%x.\n", 273 fw_vf_id - bp->pf->first_vf_id, 274 rte_le_to_cpu_16(fwd_cmd->req_type)); 275 } 276 return; 277 } 278 279 reject: 280 rc = bnxt_hwrm_reject_fwd_resp(bp, fw_vf_id, fwd_cmd, req_len); 281 if (rc) { 282 PMD_DRV_LOG(ERR, 283 "Failed to send REJECT req VF 0x%x, type 0x%x.\n", 284 fw_vf_id - bp->pf->first_vf_id, 285 rte_le_to_cpu_16(fwd_cmd->req_type)); 286 } 287 288 return; 289 } 290 291 int bnxt_event_hwrm_resp_handler(struct bnxt *bp, struct cmpl_base *cmp) 292 { 293 bool evt = 0; 294 295 if (bp == NULL || cmp == NULL) { 296 PMD_DRV_LOG(ERR, "invalid NULL argument\n"); 297 return evt; 298 } 299 300 if (unlikely(is_bnxt_in_error(bp))) 301 return 0; 302 303 switch (CMP_TYPE(cmp)) { 304 case CMPL_BASE_TYPE_HWRM_ASYNC_EVENT: 305 /* Handle any async event */ 306 bnxt_handle_async_event(bp, cmp); 307 evt = 1; 308 break; 309 case CMPL_BASE_TYPE_HWRM_FWD_RESP: 310 /* Handle HWRM forwarded responses */ 311 bnxt_handle_fwd_req(bp, cmp); 312 evt = 1; 313 break; 314 default: 315 /* Ignore any other events */ 316 PMD_DRV_LOG(DEBUG, "Ignoring %02x completion\n", CMP_TYPE(cmp)); 317 break; 318 } 319 320 return evt; 321 } 322 323 bool bnxt_is_master_func(struct bnxt *bp) 324 { 325 if (bp->recovery_info->flags & BNXT_FLAG_MASTER_FUNC) 326 return true; 327 328 return false; 329 } 330 331 bool bnxt_is_recovery_enabled(struct bnxt *bp) 332 { 333 struct bnxt_error_recovery_info *info; 334 335 info = bp->recovery_info; 336 if (info && (info->flags & BNXT_FLAG_RECOVERY_ENABLED)) 337 return true; 338 339 return false; 340 } 341