1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright(c) 2013 - 2018 Intel Corporation. */ 3 4 #include <linux/list.h> 5 #include <linux/errno.h> 6 #include <linux/net/intel/i40e_client.h> 7 8 #include "i40e.h" 9 #include "i40e_prototype.h" 10 11 static LIST_HEAD(i40e_devices); 12 static DEFINE_MUTEX(i40e_device_mutex); 13 DEFINE_IDA(i40e_client_ida); 14 15 static int i40e_client_virtchnl_send(struct i40e_info *ldev, 16 struct i40e_client *client, 17 u32 vf_id, u8 *msg, u16 len); 18 19 static int i40e_client_setup_qvlist(struct i40e_info *ldev, 20 struct i40e_client *client, 21 struct i40e_qvlist_info *qvlist_info); 22 23 static void i40e_client_request_reset(struct i40e_info *ldev, 24 struct i40e_client *client, 25 u32 reset_level); 26 27 static int i40e_client_update_vsi_ctxt(struct i40e_info *ldev, 28 struct i40e_client *client, 29 bool is_vf, u32 vf_id, 30 u32 flag, u32 valid_flag); 31 32 static struct i40e_ops i40e_lan_ops = { 33 .virtchnl_send = i40e_client_virtchnl_send, 34 .setup_qvlist = i40e_client_setup_qvlist, 35 .request_reset = i40e_client_request_reset, 36 .update_vsi_ctxt = i40e_client_update_vsi_ctxt, 37 }; 38 39 /** 40 * i40e_client_get_params - Get the params that can change at runtime 41 * @vsi: the VSI with the message 42 * @params: client param struct 43 * 44 **/ 45 static 46 int i40e_client_get_params(struct i40e_vsi *vsi, struct i40e_params *params) 47 { 48 struct i40e_dcbx_config *dcb_cfg = &vsi->back->hw.local_dcbx_config; 49 int i = 0; 50 51 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) { 52 u8 tc = dcb_cfg->etscfg.prioritytable[i]; 53 u16 qs_handle; 54 55 /* If TC is not enabled for VSI use TC0 for UP */ 56 if (!(vsi->tc_config.enabled_tc & BIT(tc))) 57 tc = 0; 58 59 qs_handle = le16_to_cpu(vsi->info.qs_handle[tc]); 60 params->qos.prio_qos[i].tc = tc; 61 params->qos.prio_qos[i].qs_handle = qs_handle; 62 if (qs_handle == I40E_AQ_VSI_QS_HANDLE_INVALID) { 63 dev_err(&vsi->back->pdev->dev, "Invalid queue set handle for TC = %d, vsi id = %d\n", 64 tc, vsi->id); 65 return -EINVAL; 66 } 67 } 68 69 params->mtu = vsi->netdev->mtu; 70 return 0; 71 } 72 73 /** 74 * i40e_notify_client_of_vf_msg - call the client vf message callback 75 * @vsi: the VSI with the message 76 * @vf_id: the absolute VF id that sent the message 77 * @msg: message buffer 78 * @len: length of the message 79 * 80 * If there is a client to this VSI, call the client 81 **/ 82 void 83 i40e_notify_client_of_vf_msg(struct i40e_vsi *vsi, u32 vf_id, u8 *msg, u16 len) 84 { 85 struct i40e_pf *pf = vsi->back; 86 struct i40e_client_instance *cdev = pf->cinst; 87 88 if (!cdev || !cdev->client) 89 return; 90 if (!cdev->client->ops || !cdev->client->ops->virtchnl_receive) { 91 dev_dbg(&pf->pdev->dev, 92 "Cannot locate client instance virtual channel receive routine\n"); 93 return; 94 } 95 if (!test_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state)) { 96 dev_dbg(&pf->pdev->dev, "Client is not open, abort virtchnl_receive\n"); 97 return; 98 } 99 cdev->client->ops->virtchnl_receive(&cdev->lan_info, cdev->client, 100 vf_id, msg, len); 101 } 102 103 /** 104 * i40e_notify_client_of_l2_param_changes - call the client notify callback 105 * @vsi: the VSI with l2 param changes 106 * 107 * If there is a client to this VSI, call the client 108 **/ 109 void i40e_notify_client_of_l2_param_changes(struct i40e_vsi *vsi) 110 { 111 struct i40e_pf *pf = vsi->back; 112 struct i40e_client_instance *cdev = pf->cinst; 113 struct i40e_params params; 114 115 if (!cdev || !cdev->client) 116 return; 117 if (!cdev->client->ops || !cdev->client->ops->l2_param_change) { 118 dev_dbg(&vsi->back->pdev->dev, 119 "Cannot locate client instance l2_param_change routine\n"); 120 return; 121 } 122 if (!test_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state)) { 123 dev_dbg(&vsi->back->pdev->dev, "Client is not open, abort l2 param change\n"); 124 return; 125 } 126 memset(¶ms, 0, sizeof(params)); 127 i40e_client_get_params(vsi, ¶ms); 128 memcpy(&cdev->lan_info.params, ¶ms, sizeof(struct i40e_params)); 129 cdev->client->ops->l2_param_change(&cdev->lan_info, cdev->client, 130 ¶ms); 131 } 132 133 /** 134 * i40e_client_release_qvlist - release MSI-X vector mapping for client 135 * @ldev: pointer to L2 context. 136 * 137 **/ 138 static void i40e_client_release_qvlist(struct i40e_info *ldev) 139 { 140 struct i40e_qvlist_info *qvlist_info = ldev->qvlist_info; 141 u32 i; 142 143 if (!ldev->qvlist_info) 144 return; 145 146 for (i = 0; i < qvlist_info->num_vectors; i++) { 147 struct i40e_pf *pf = ldev->pf; 148 struct i40e_qv_info *qv_info; 149 u32 reg_idx; 150 151 qv_info = &qvlist_info->qv_info[i]; 152 if (!qv_info) 153 continue; 154 reg_idx = I40E_PFINT_LNKLSTN(qv_info->v_idx - 1); 155 wr32(&pf->hw, reg_idx, I40E_PFINT_LNKLSTN_FIRSTQ_INDX_MASK); 156 } 157 kfree(ldev->qvlist_info); 158 ldev->qvlist_info = NULL; 159 } 160 161 /** 162 * i40e_notify_client_of_netdev_close - call the client close callback 163 * @vsi: the VSI with netdev closed 164 * @reset: true when close called due to a reset pending 165 * 166 * If there is a client to this netdev, call the client with close 167 **/ 168 void i40e_notify_client_of_netdev_close(struct i40e_vsi *vsi, bool reset) 169 { 170 struct i40e_pf *pf = vsi->back; 171 struct i40e_client_instance *cdev = pf->cinst; 172 173 if (!cdev || !cdev->client) 174 return; 175 if (!cdev->client->ops || !cdev->client->ops->close) { 176 dev_dbg(&vsi->back->pdev->dev, 177 "Cannot locate client instance close routine\n"); 178 return; 179 } 180 cdev->client->ops->close(&cdev->lan_info, cdev->client, reset); 181 clear_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state); 182 i40e_client_release_qvlist(&cdev->lan_info); 183 } 184 185 /** 186 * i40e_notify_client_of_vf_reset - call the client vf reset callback 187 * @pf: PF device pointer 188 * @vf_id: asolute id of VF being reset 189 * 190 * If there is a client attached to this PF, notify when a VF is reset 191 **/ 192 void i40e_notify_client_of_vf_reset(struct i40e_pf *pf, u32 vf_id) 193 { 194 struct i40e_client_instance *cdev = pf->cinst; 195 196 if (!cdev || !cdev->client) 197 return; 198 if (!cdev->client->ops || !cdev->client->ops->vf_reset) { 199 dev_dbg(&pf->pdev->dev, 200 "Cannot locate client instance VF reset routine\n"); 201 return; 202 } 203 if (!test_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state)) { 204 dev_dbg(&pf->pdev->dev, "Client is not open, abort vf-reset\n"); 205 return; 206 } 207 cdev->client->ops->vf_reset(&cdev->lan_info, cdev->client, vf_id); 208 } 209 210 /** 211 * i40e_notify_client_of_vf_enable - call the client vf notification callback 212 * @pf: PF device pointer 213 * @num_vfs: the number of VFs currently enabled, 0 for disable 214 * 215 * If there is a client attached to this PF, call its VF notification routine 216 **/ 217 void i40e_notify_client_of_vf_enable(struct i40e_pf *pf, u32 num_vfs) 218 { 219 struct i40e_client_instance *cdev = pf->cinst; 220 221 if (!cdev || !cdev->client) 222 return; 223 if (!cdev->client->ops || !cdev->client->ops->vf_enable) { 224 dev_dbg(&pf->pdev->dev, 225 "Cannot locate client instance VF enable routine\n"); 226 return; 227 } 228 if (!test_bit(__I40E_CLIENT_INSTANCE_OPENED, 229 &cdev->state)) { 230 dev_dbg(&pf->pdev->dev, "Client is not open, abort vf-enable\n"); 231 return; 232 } 233 cdev->client->ops->vf_enable(&cdev->lan_info, cdev->client, num_vfs); 234 } 235 236 /** 237 * i40e_vf_client_capable - ask the client if it likes the specified VF 238 * @pf: PF device pointer 239 * @vf_id: the VF in question 240 * 241 * If there is a client of the specified type attached to this PF, call 242 * its vf_capable routine 243 **/ 244 int i40e_vf_client_capable(struct i40e_pf *pf, u32 vf_id) 245 { 246 struct i40e_client_instance *cdev = pf->cinst; 247 int capable = false; 248 249 if (!cdev || !cdev->client) 250 goto out; 251 if (!cdev->client->ops || !cdev->client->ops->vf_capable) { 252 dev_dbg(&pf->pdev->dev, 253 "Cannot locate client instance VF capability routine\n"); 254 goto out; 255 } 256 if (!test_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state)) 257 goto out; 258 259 capable = cdev->client->ops->vf_capable(&cdev->lan_info, 260 cdev->client, 261 vf_id); 262 out: 263 return capable; 264 } 265 266 void i40e_client_update_msix_info(struct i40e_pf *pf) 267 { 268 struct i40e_client_instance *cdev = pf->cinst; 269 270 if (!cdev || !cdev->client) 271 return; 272 273 cdev->lan_info.msix_count = pf->num_iwarp_msix; 274 cdev->lan_info.msix_entries = &pf->msix_entries[pf->iwarp_base_vector]; 275 } 276 277 static void i40e_auxiliary_dev_release(struct device *dev) 278 { 279 struct i40e_auxiliary_device *i40e_aux_dev = 280 container_of(dev, struct i40e_auxiliary_device, aux_dev.dev); 281 282 ida_free(&i40e_client_ida, i40e_aux_dev->aux_dev.id); 283 kfree(i40e_aux_dev); 284 } 285 286 static int i40e_register_auxiliary_dev(struct i40e_info *ldev, const char *name) 287 { 288 struct i40e_auxiliary_device *i40e_aux_dev; 289 struct pci_dev *pdev = ldev->pcidev; 290 struct auxiliary_device *aux_dev; 291 int ret; 292 293 i40e_aux_dev = kzalloc(sizeof(*i40e_aux_dev), GFP_KERNEL); 294 if (!i40e_aux_dev) 295 return -ENOMEM; 296 297 i40e_aux_dev->ldev = ldev; 298 299 aux_dev = &i40e_aux_dev->aux_dev; 300 aux_dev->name = name; 301 aux_dev->dev.parent = &pdev->dev; 302 aux_dev->dev.release = i40e_auxiliary_dev_release; 303 ldev->aux_dev = aux_dev; 304 305 ret = ida_alloc(&i40e_client_ida, GFP_KERNEL); 306 if (ret < 0) { 307 kfree(i40e_aux_dev); 308 return ret; 309 } 310 aux_dev->id = ret; 311 312 ret = auxiliary_device_init(aux_dev); 313 if (ret < 0) { 314 ida_free(&i40e_client_ida, aux_dev->id); 315 kfree(i40e_aux_dev); 316 return ret; 317 } 318 319 ret = auxiliary_device_add(aux_dev); 320 if (ret) { 321 auxiliary_device_uninit(aux_dev); 322 return ret; 323 } 324 325 return ret; 326 } 327 328 /** 329 * i40e_client_add_instance - add a client instance struct to the instance list 330 * @pf: pointer to the board struct 331 * 332 **/ 333 static void i40e_client_add_instance(struct i40e_pf *pf) 334 { 335 struct i40e_client_instance *cdev = NULL; 336 struct netdev_hw_addr *mac = NULL; 337 struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi]; 338 339 cdev = kzalloc(sizeof(*cdev), GFP_KERNEL); 340 if (!cdev) 341 return; 342 343 cdev->lan_info.pf = (void *)pf; 344 cdev->lan_info.netdev = vsi->netdev; 345 cdev->lan_info.pcidev = pf->pdev; 346 cdev->lan_info.fid = pf->hw.pf_id; 347 cdev->lan_info.ftype = I40E_CLIENT_FTYPE_PF; 348 cdev->lan_info.hw_addr = pf->hw.hw_addr; 349 cdev->lan_info.ops = &i40e_lan_ops; 350 cdev->lan_info.version.major = I40E_CLIENT_VERSION_MAJOR; 351 cdev->lan_info.version.minor = I40E_CLIENT_VERSION_MINOR; 352 cdev->lan_info.version.build = I40E_CLIENT_VERSION_BUILD; 353 cdev->lan_info.fw_maj_ver = pf->hw.aq.fw_maj_ver; 354 cdev->lan_info.fw_min_ver = pf->hw.aq.fw_min_ver; 355 cdev->lan_info.fw_build = pf->hw.aq.fw_build; 356 set_bit(__I40E_CLIENT_INSTANCE_NONE, &cdev->state); 357 358 if (i40e_client_get_params(vsi, &cdev->lan_info.params)) 359 goto free_cdev; 360 361 mac = list_first_entry(&cdev->lan_info.netdev->dev_addrs.list, 362 struct netdev_hw_addr, list); 363 if (mac) 364 ether_addr_copy(cdev->lan_info.lanmac, mac->addr); 365 else 366 dev_err(&pf->pdev->dev, "MAC address list is empty!\n"); 367 368 pf->cinst = cdev; 369 370 cdev->lan_info.msix_count = pf->num_iwarp_msix; 371 cdev->lan_info.msix_entries = &pf->msix_entries[pf->iwarp_base_vector]; 372 373 if (i40e_register_auxiliary_dev(&cdev->lan_info, "iwarp")) 374 goto free_cdev; 375 376 return; 377 378 free_cdev: 379 kfree(cdev); 380 pf->cinst = NULL; 381 } 382 383 /** 384 * i40e_client_del_instance - removes a client instance from the list 385 * @pf: pointer to the board struct 386 * 387 **/ 388 static 389 void i40e_client_del_instance(struct i40e_pf *pf) 390 { 391 kfree(pf->cinst); 392 pf->cinst = NULL; 393 } 394 395 /** 396 * i40e_client_subtask - client maintenance work 397 * @pf: board private structure 398 **/ 399 void i40e_client_subtask(struct i40e_pf *pf) 400 { 401 struct i40e_client *client; 402 struct i40e_client_instance *cdev; 403 struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi]; 404 int ret = 0; 405 406 if (!test_and_clear_bit(__I40E_CLIENT_SERVICE_REQUESTED, pf->state)) 407 return; 408 cdev = pf->cinst; 409 410 /* If we're down or resetting, just bail */ 411 if (test_bit(__I40E_DOWN, pf->state) || 412 test_bit(__I40E_CONFIG_BUSY, pf->state)) 413 return; 414 415 if (!cdev || !cdev->client) 416 return; 417 418 client = cdev->client; 419 420 /* Here we handle client opens. If the client is down, and 421 * the netdev is registered, then open the client. 422 */ 423 if (!test_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state)) { 424 if (vsi->netdev_registered && 425 client->ops && client->ops->open) { 426 set_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state); 427 ret = client->ops->open(&cdev->lan_info, client); 428 if (ret) { 429 /* Remove failed client instance */ 430 clear_bit(__I40E_CLIENT_INSTANCE_OPENED, 431 &cdev->state); 432 i40e_client_del_instance(pf); 433 return; 434 } 435 } 436 } 437 438 /* enable/disable PE TCP_ENA flag based on netdev down/up 439 */ 440 if (test_bit(__I40E_VSI_DOWN, vsi->state)) 441 i40e_client_update_vsi_ctxt(&cdev->lan_info, client, 442 0, 0, 0, 443 I40E_CLIENT_VSI_FLAG_TCP_ENABLE); 444 else 445 i40e_client_update_vsi_ctxt(&cdev->lan_info, client, 446 0, 0, 447 I40E_CLIENT_VSI_FLAG_TCP_ENABLE, 448 I40E_CLIENT_VSI_FLAG_TCP_ENABLE); 449 } 450 451 /** 452 * i40e_lan_add_device - add a lan device struct to the list of lan devices 453 * @pf: pointer to the board struct 454 * 455 * Returns 0 on success or none 0 on error 456 **/ 457 int i40e_lan_add_device(struct i40e_pf *pf) 458 { 459 struct i40e_device *ldev; 460 int ret = 0; 461 462 mutex_lock(&i40e_device_mutex); 463 list_for_each_entry(ldev, &i40e_devices, list) { 464 if (ldev->pf == pf) { 465 ret = -EEXIST; 466 goto out; 467 } 468 } 469 ldev = kzalloc(sizeof(*ldev), GFP_KERNEL); 470 if (!ldev) { 471 ret = -ENOMEM; 472 goto out; 473 } 474 ldev->pf = pf; 475 INIT_LIST_HEAD(&ldev->list); 476 list_add(&ldev->list, &i40e_devices); 477 dev_info(&pf->pdev->dev, "Added LAN device PF%d bus=0x%02x dev=0x%02x func=0x%02x\n", 478 pf->hw.pf_id, pf->hw.bus.bus_id, 479 pf->hw.bus.device, pf->hw.bus.func); 480 481 i40e_client_add_instance(pf); 482 483 set_bit(__I40E_CLIENT_SERVICE_REQUESTED, pf->state); 484 i40e_service_event_schedule(pf); 485 486 out: 487 mutex_unlock(&i40e_device_mutex); 488 return ret; 489 } 490 491 /** 492 * i40e_lan_del_device - removes a lan device from the device list 493 * @pf: pointer to the board struct 494 * 495 * Returns 0 on success or non-0 on error 496 **/ 497 int i40e_lan_del_device(struct i40e_pf *pf) 498 { 499 struct auxiliary_device *aux_dev = pf->cinst->lan_info.aux_dev; 500 struct i40e_device *ldev, *tmp; 501 int ret = -ENODEV; 502 503 auxiliary_device_delete(aux_dev); 504 auxiliary_device_uninit(aux_dev); 505 506 /* First, remove any client instance. */ 507 i40e_client_del_instance(pf); 508 509 mutex_lock(&i40e_device_mutex); 510 list_for_each_entry_safe(ldev, tmp, &i40e_devices, list) { 511 if (ldev->pf == pf) { 512 dev_info(&pf->pdev->dev, "Deleted LAN device PF%d bus=0x%02x dev=0x%02x func=0x%02x\n", 513 pf->hw.pf_id, pf->hw.bus.bus_id, 514 pf->hw.bus.device, pf->hw.bus.func); 515 list_del(&ldev->list); 516 kfree(ldev); 517 ret = 0; 518 break; 519 } 520 } 521 mutex_unlock(&i40e_device_mutex); 522 return ret; 523 } 524 525 /** 526 * i40e_client_virtchnl_send - TBD 527 * @ldev: pointer to L2 context 528 * @client: Client pointer 529 * @vf_id: absolute VF identifier 530 * @msg: message buffer 531 * @len: length of message buffer 532 * 533 * Return 0 on success or < 0 on error 534 **/ 535 static int i40e_client_virtchnl_send(struct i40e_info *ldev, 536 struct i40e_client *client, 537 u32 vf_id, u8 *msg, u16 len) 538 { 539 struct i40e_pf *pf = ldev->pf; 540 struct i40e_hw *hw = &pf->hw; 541 i40e_status err; 542 543 err = i40e_aq_send_msg_to_vf(hw, vf_id, VIRTCHNL_OP_IWARP, 544 0, msg, len, NULL); 545 if (err) 546 dev_err(&pf->pdev->dev, "Unable to send iWarp message to VF, error %d, aq status %d\n", 547 err, hw->aq.asq_last_status); 548 549 return err; 550 } 551 552 /** 553 * i40e_client_setup_qvlist 554 * @ldev: pointer to L2 context. 555 * @client: Client pointer. 556 * @qvlist_info: queue and vector list 557 * 558 * Return 0 on success or < 0 on error 559 **/ 560 static int i40e_client_setup_qvlist(struct i40e_info *ldev, 561 struct i40e_client *client, 562 struct i40e_qvlist_info *qvlist_info) 563 { 564 struct i40e_pf *pf = ldev->pf; 565 struct i40e_hw *hw = &pf->hw; 566 struct i40e_qv_info *qv_info; 567 u32 v_idx, i, reg_idx, reg; 568 569 ldev->qvlist_info = kzalloc(struct_size(ldev->qvlist_info, qv_info, 570 qvlist_info->num_vectors), GFP_KERNEL); 571 if (!ldev->qvlist_info) 572 return -ENOMEM; 573 ldev->qvlist_info->num_vectors = qvlist_info->num_vectors; 574 575 for (i = 0; i < qvlist_info->num_vectors; i++) { 576 qv_info = &qvlist_info->qv_info[i]; 577 if (!qv_info) 578 continue; 579 v_idx = qv_info->v_idx; 580 581 /* Validate vector id belongs to this client */ 582 if ((v_idx >= (pf->iwarp_base_vector + pf->num_iwarp_msix)) || 583 (v_idx < pf->iwarp_base_vector)) 584 goto err; 585 586 ldev->qvlist_info->qv_info[i] = *qv_info; 587 reg_idx = I40E_PFINT_LNKLSTN(v_idx - 1); 588 589 if (qv_info->ceq_idx == I40E_QUEUE_INVALID_IDX) { 590 /* Special case - No CEQ mapped on this vector */ 591 wr32(hw, reg_idx, I40E_PFINT_LNKLSTN_FIRSTQ_INDX_MASK); 592 } else { 593 reg = (qv_info->ceq_idx & 594 I40E_PFINT_LNKLSTN_FIRSTQ_INDX_MASK) | 595 (I40E_QUEUE_TYPE_PE_CEQ << 596 I40E_PFINT_LNKLSTN_FIRSTQ_TYPE_SHIFT); 597 wr32(hw, reg_idx, reg); 598 599 reg = (I40E_PFINT_CEQCTL_CAUSE_ENA_MASK | 600 (v_idx << I40E_PFINT_CEQCTL_MSIX_INDX_SHIFT) | 601 (qv_info->itr_idx << 602 I40E_PFINT_CEQCTL_ITR_INDX_SHIFT) | 603 (I40E_QUEUE_END_OF_LIST << 604 I40E_PFINT_CEQCTL_NEXTQ_INDX_SHIFT)); 605 wr32(hw, I40E_PFINT_CEQCTL(qv_info->ceq_idx), reg); 606 } 607 if (qv_info->aeq_idx != I40E_QUEUE_INVALID_IDX) { 608 reg = (I40E_PFINT_AEQCTL_CAUSE_ENA_MASK | 609 (v_idx << I40E_PFINT_AEQCTL_MSIX_INDX_SHIFT) | 610 (qv_info->itr_idx << 611 I40E_PFINT_AEQCTL_ITR_INDX_SHIFT)); 612 613 wr32(hw, I40E_PFINT_AEQCTL, reg); 614 } 615 } 616 /* Mitigate sync problems with iwarp VF driver */ 617 i40e_flush(hw); 618 return 0; 619 err: 620 kfree(ldev->qvlist_info); 621 ldev->qvlist_info = NULL; 622 return -EINVAL; 623 } 624 625 /** 626 * i40e_client_request_reset 627 * @ldev: pointer to L2 context. 628 * @client: Client pointer. 629 * @reset_level: reset level 630 **/ 631 static void i40e_client_request_reset(struct i40e_info *ldev, 632 struct i40e_client *client, 633 u32 reset_level) 634 { 635 struct i40e_pf *pf = ldev->pf; 636 637 switch (reset_level) { 638 case I40E_CLIENT_RESET_LEVEL_PF: 639 set_bit(__I40E_PF_RESET_REQUESTED, pf->state); 640 break; 641 case I40E_CLIENT_RESET_LEVEL_CORE: 642 set_bit(__I40E_PF_RESET_REQUESTED, pf->state); 643 break; 644 default: 645 dev_warn(&pf->pdev->dev, 646 "Client for PF id %d requested an unsupported reset: %d.\n", 647 pf->hw.pf_id, reset_level); 648 break; 649 } 650 651 i40e_service_event_schedule(pf); 652 } 653 654 /** 655 * i40e_client_update_vsi_ctxt 656 * @ldev: pointer to L2 context. 657 * @client: Client pointer. 658 * @is_vf: if this for the VF 659 * @vf_id: if is_vf true this carries the vf_id 660 * @flag: Any device level setting that needs to be done for PE 661 * @valid_flag: Bits in this match up and enable changing of flag bits 662 * 663 * Return 0 on success or < 0 on error 664 **/ 665 static int i40e_client_update_vsi_ctxt(struct i40e_info *ldev, 666 struct i40e_client *client, 667 bool is_vf, u32 vf_id, 668 u32 flag, u32 valid_flag) 669 { 670 struct i40e_pf *pf = ldev->pf; 671 struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi]; 672 struct i40e_vsi_context ctxt; 673 bool update = true; 674 i40e_status err; 675 676 /* TODO: for now do not allow setting VF's VSI setting */ 677 if (is_vf) 678 return -EINVAL; 679 680 ctxt.seid = pf->main_vsi_seid; 681 ctxt.pf_num = pf->hw.pf_id; 682 err = i40e_aq_get_vsi_params(&pf->hw, &ctxt, NULL); 683 ctxt.flags = I40E_AQ_VSI_TYPE_PF; 684 if (err) { 685 dev_info(&pf->pdev->dev, 686 "couldn't get PF vsi config, err %s aq_err %s\n", 687 i40e_stat_str(&pf->hw, err), 688 i40e_aq_str(&pf->hw, 689 pf->hw.aq.asq_last_status)); 690 return -ENOENT; 691 } 692 693 if ((valid_flag & I40E_CLIENT_VSI_FLAG_TCP_ENABLE) && 694 (flag & I40E_CLIENT_VSI_FLAG_TCP_ENABLE)) { 695 ctxt.info.valid_sections = 696 cpu_to_le16(I40E_AQ_VSI_PROP_QUEUE_OPT_VALID); 697 ctxt.info.queueing_opt_flags |= I40E_AQ_VSI_QUE_OPT_TCP_ENA; 698 } else if ((valid_flag & I40E_CLIENT_VSI_FLAG_TCP_ENABLE) && 699 !(flag & I40E_CLIENT_VSI_FLAG_TCP_ENABLE)) { 700 ctxt.info.valid_sections = 701 cpu_to_le16(I40E_AQ_VSI_PROP_QUEUE_OPT_VALID); 702 ctxt.info.queueing_opt_flags &= ~I40E_AQ_VSI_QUE_OPT_TCP_ENA; 703 } else { 704 update = false; 705 dev_warn(&pf->pdev->dev, 706 "Client for PF id %d request an unsupported Config: %x.\n", 707 pf->hw.pf_id, flag); 708 } 709 710 if (update) { 711 err = i40e_aq_update_vsi_params(&vsi->back->hw, &ctxt, NULL); 712 if (err) { 713 dev_info(&pf->pdev->dev, 714 "update VSI ctxt for PE failed, err %s aq_err %s\n", 715 i40e_stat_str(&pf->hw, err), 716 i40e_aq_str(&pf->hw, 717 pf->hw.aq.asq_last_status)); 718 } 719 } 720 return err; 721 } 722 723 void i40e_client_device_register(struct i40e_info *ldev, struct i40e_client *client) 724 { 725 struct i40e_pf *pf = ldev->pf; 726 727 pf->cinst->client = client; 728 set_bit(__I40E_CLIENT_SERVICE_REQUESTED, pf->state); 729 i40e_service_event_schedule(pf); 730 } 731 EXPORT_SYMBOL_GPL(i40e_client_device_register); 732 733 void i40e_client_device_unregister(struct i40e_info *ldev) 734 { 735 struct i40e_pf *pf = ldev->pf; 736 struct i40e_client_instance *cdev = pf->cinst; 737 738 if (!cdev) 739 return; 740 741 while (test_and_set_bit(__I40E_SERVICE_SCHED, pf->state)) 742 usleep_range(500, 1000); 743 744 if (test_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state)) { 745 cdev->client->ops->close(&cdev->lan_info, cdev->client, false); 746 clear_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state); 747 i40e_client_release_qvlist(&cdev->lan_info); 748 } 749 750 pf->cinst->client = NULL; 751 clear_bit(__I40E_SERVICE_SCHED, pf->state); 752 } 753 EXPORT_SYMBOL_GPL(i40e_client_device_unregister); 754