1 // SPDX-License-Identifier: GPL-2.0+ 2 // Copyright (c) 2016-2017 Hisilicon Limited. 3 4 #include "hclge_main.h" 5 #include "hclge_mbx.h" 6 #include "hnae3.h" 7 8 /* hclge_gen_resp_to_vf: used to generate a synchronous response to VF when PF 9 * receives a mailbox message from VF. 10 * @vport: pointer to struct hclge_vport 11 * @vf_to_pf_req: pointer to hclge_mbx_vf_to_pf_cmd of the original mailbox 12 * message 13 * @resp_status: indicate to VF whether its request success(0) or failed. 14 */ 15 static int hclge_gen_resp_to_vf(struct hclge_vport *vport, 16 struct hclge_mbx_vf_to_pf_cmd *vf_to_pf_req, 17 int resp_status, 18 u8 *resp_data, u16 resp_data_len) 19 { 20 struct hclge_mbx_pf_to_vf_cmd *resp_pf_to_vf; 21 struct hclge_dev *hdev = vport->back; 22 enum hclge_cmd_status status; 23 struct hclge_desc desc; 24 25 resp_pf_to_vf = (struct hclge_mbx_pf_to_vf_cmd *)desc.data; 26 27 if (resp_data_len > HCLGE_MBX_MAX_RESP_DATA_SIZE) { 28 dev_err(&hdev->pdev->dev, 29 "PF fail to gen resp to VF len %d exceeds max len %d\n", 30 resp_data_len, 31 HCLGE_MBX_MAX_RESP_DATA_SIZE); 32 /* If resp_data_len is too long, set the value to max length 33 * and return the msg to VF 34 */ 35 resp_data_len = HCLGE_MBX_MAX_RESP_DATA_SIZE; 36 } 37 38 hclge_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_MBX_PF_TO_VF, false); 39 40 resp_pf_to_vf->dest_vfid = vf_to_pf_req->mbx_src_vfid; 41 resp_pf_to_vf->msg_len = vf_to_pf_req->msg_len; 42 43 resp_pf_to_vf->msg[0] = HCLGE_MBX_PF_VF_RESP; 44 resp_pf_to_vf->msg[1] = vf_to_pf_req->msg[0]; 45 resp_pf_to_vf->msg[2] = vf_to_pf_req->msg[1]; 46 resp_pf_to_vf->msg[3] = (resp_status == 0) ? 0 : 1; 47 48 if (resp_data && resp_data_len > 0) 49 memcpy(&resp_pf_to_vf->msg[4], resp_data, resp_data_len); 50 51 status = hclge_cmd_send(&hdev->hw, &desc, 1); 52 if (status) 53 dev_err(&hdev->pdev->dev, 54 "PF failed(=%d) to send response to VF\n", status); 55 56 return status; 57 } 58 59 static int hclge_send_mbx_msg(struct hclge_vport *vport, u8 *msg, u16 msg_len, 60 u16 mbx_opcode, u8 dest_vfid) 61 { 62 struct hclge_mbx_pf_to_vf_cmd *resp_pf_to_vf; 63 struct hclge_dev *hdev = vport->back; 64 enum hclge_cmd_status status; 65 struct hclge_desc desc; 66 67 resp_pf_to_vf = (struct hclge_mbx_pf_to_vf_cmd *)desc.data; 68 69 hclge_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_MBX_PF_TO_VF, false); 70 71 resp_pf_to_vf->dest_vfid = dest_vfid; 72 resp_pf_to_vf->msg_len = msg_len; 73 resp_pf_to_vf->msg[0] = mbx_opcode; 74 75 memcpy(&resp_pf_to_vf->msg[1], msg, msg_len); 76 77 status = hclge_cmd_send(&hdev->hw, &desc, 1); 78 if (status) 79 dev_err(&hdev->pdev->dev, 80 "PF failed(=%d) to send mailbox message to VF\n", 81 status); 82 83 return status; 84 } 85 86 int hclge_inform_reset_assert_to_vf(struct hclge_vport *vport) 87 { 88 struct hclge_dev *hdev = vport->back; 89 enum hnae3_reset_type reset_type; 90 u8 msg_data[2]; 91 u8 dest_vfid; 92 93 dest_vfid = (u8)vport->vport_id; 94 95 if (hdev->reset_type == HNAE3_FUNC_RESET) 96 reset_type = HNAE3_VF_PF_FUNC_RESET; 97 else if (hdev->reset_type == HNAE3_FLR_RESET) 98 reset_type = HNAE3_VF_FULL_RESET; 99 else 100 reset_type = HNAE3_VF_FUNC_RESET; 101 102 memcpy(&msg_data[0], &reset_type, sizeof(u16)); 103 104 /* send this requested info to VF */ 105 return hclge_send_mbx_msg(vport, msg_data, sizeof(msg_data), 106 HCLGE_MBX_ASSERTING_RESET, dest_vfid); 107 } 108 109 static void hclge_free_vector_ring_chain(struct hnae3_ring_chain_node *head) 110 { 111 struct hnae3_ring_chain_node *chain_tmp, *chain; 112 113 chain = head->next; 114 115 while (chain) { 116 chain_tmp = chain->next; 117 kzfree(chain); 118 chain = chain_tmp; 119 } 120 } 121 122 /* hclge_get_ring_chain_from_mbx: get ring type & tqp id & int_gl idx 123 * from mailbox message 124 * msg[0]: opcode 125 * msg[1]: <not relevant to this function> 126 * msg[2]: ring_num 127 * msg[3]: first ring type (TX|RX) 128 * msg[4]: first tqp id 129 * msg[5]: first int_gl idx 130 * msg[6] ~ msg[14]: other ring type, tqp id and int_gl idx 131 */ 132 static int hclge_get_ring_chain_from_mbx( 133 struct hclge_mbx_vf_to_pf_cmd *req, 134 struct hnae3_ring_chain_node *ring_chain, 135 struct hclge_vport *vport) 136 { 137 struct hnae3_ring_chain_node *cur_chain, *new_chain; 138 int ring_num; 139 int i; 140 141 ring_num = req->msg[2]; 142 143 if (ring_num > ((HCLGE_MBX_VF_MSG_DATA_NUM - 144 HCLGE_MBX_RING_MAP_BASIC_MSG_NUM) / 145 HCLGE_MBX_RING_NODE_VARIABLE_NUM)) 146 return -ENOMEM; 147 148 hnae3_set_bit(ring_chain->flag, HNAE3_RING_TYPE_B, req->msg[3]); 149 ring_chain->tqp_index = 150 hclge_get_queue_id(vport->nic.kinfo.tqp[req->msg[4]]); 151 hnae3_set_field(ring_chain->int_gl_idx, HNAE3_RING_GL_IDX_M, 152 HNAE3_RING_GL_IDX_S, 153 req->msg[5]); 154 155 cur_chain = ring_chain; 156 157 for (i = 1; i < ring_num; i++) { 158 new_chain = kzalloc(sizeof(*new_chain), GFP_KERNEL); 159 if (!new_chain) 160 goto err; 161 162 hnae3_set_bit(new_chain->flag, HNAE3_RING_TYPE_B, 163 req->msg[HCLGE_MBX_RING_NODE_VARIABLE_NUM * i + 164 HCLGE_MBX_RING_MAP_BASIC_MSG_NUM]); 165 166 new_chain->tqp_index = 167 hclge_get_queue_id(vport->nic.kinfo.tqp 168 [req->msg[HCLGE_MBX_RING_NODE_VARIABLE_NUM * i + 169 HCLGE_MBX_RING_MAP_BASIC_MSG_NUM + 1]]); 170 171 hnae3_set_field(new_chain->int_gl_idx, HNAE3_RING_GL_IDX_M, 172 HNAE3_RING_GL_IDX_S, 173 req->msg[HCLGE_MBX_RING_NODE_VARIABLE_NUM * i + 174 HCLGE_MBX_RING_MAP_BASIC_MSG_NUM + 2]); 175 176 cur_chain->next = new_chain; 177 cur_chain = new_chain; 178 } 179 180 return 0; 181 err: 182 hclge_free_vector_ring_chain(ring_chain); 183 return -ENOMEM; 184 } 185 186 static int hclge_map_unmap_ring_to_vf_vector(struct hclge_vport *vport, bool en, 187 struct hclge_mbx_vf_to_pf_cmd *req) 188 { 189 struct hnae3_ring_chain_node ring_chain; 190 int vector_id = req->msg[1]; 191 int ret; 192 193 memset(&ring_chain, 0, sizeof(ring_chain)); 194 ret = hclge_get_ring_chain_from_mbx(req, &ring_chain, vport); 195 if (ret) 196 return ret; 197 198 ret = hclge_bind_ring_with_vector(vport, vector_id, en, &ring_chain); 199 200 hclge_free_vector_ring_chain(&ring_chain); 201 202 return ret; 203 } 204 205 static int hclge_set_vf_promisc_mode(struct hclge_vport *vport, 206 struct hclge_mbx_vf_to_pf_cmd *req) 207 { 208 bool en_bc = req->msg[1] ? true : false; 209 struct hclge_promisc_param param; 210 211 /* vf is not allowed to enable unicast/multicast broadcast */ 212 hclge_promisc_param_init(¶m, false, false, en_bc, vport->vport_id); 213 return hclge_cmd_set_promisc_mode(vport->back, ¶m); 214 } 215 216 static int hclge_set_vf_uc_mac_addr(struct hclge_vport *vport, 217 struct hclge_mbx_vf_to_pf_cmd *mbx_req) 218 { 219 const u8 *mac_addr = (const u8 *)(&mbx_req->msg[2]); 220 struct hclge_dev *hdev = vport->back; 221 int status; 222 223 if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_UC_MODIFY) { 224 const u8 *old_addr = (const u8 *)(&mbx_req->msg[8]); 225 226 hclge_rm_uc_addr_common(vport, old_addr); 227 status = hclge_add_uc_addr_common(vport, mac_addr); 228 if (status) { 229 hclge_add_uc_addr_common(vport, old_addr); 230 } else { 231 hclge_rm_vport_mac_table(vport, mac_addr, 232 false, HCLGE_MAC_ADDR_UC); 233 hclge_add_vport_mac_table(vport, mac_addr, 234 HCLGE_MAC_ADDR_UC); 235 } 236 } else if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_UC_ADD) { 237 status = hclge_add_uc_addr_common(vport, mac_addr); 238 if (!status) 239 hclge_add_vport_mac_table(vport, mac_addr, 240 HCLGE_MAC_ADDR_UC); 241 } else if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_UC_REMOVE) { 242 status = hclge_rm_uc_addr_common(vport, mac_addr); 243 if (!status) 244 hclge_rm_vport_mac_table(vport, mac_addr, 245 false, HCLGE_MAC_ADDR_UC); 246 } else { 247 dev_err(&hdev->pdev->dev, 248 "failed to set unicast mac addr, unknown subcode %d\n", 249 mbx_req->msg[1]); 250 return -EIO; 251 } 252 253 if (mbx_req->mbx_need_resp & HCLGE_MBX_NEED_RESP_BIT) 254 hclge_gen_resp_to_vf(vport, mbx_req, status, NULL, 0); 255 256 return 0; 257 } 258 259 static int hclge_set_vf_mc_mac_addr(struct hclge_vport *vport, 260 struct hclge_mbx_vf_to_pf_cmd *mbx_req, 261 bool gen_resp) 262 { 263 const u8 *mac_addr = (const u8 *)(&mbx_req->msg[2]); 264 struct hclge_dev *hdev = vport->back; 265 u8 resp_len = 0; 266 u8 resp_data; 267 int status; 268 269 if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_MC_ADD) { 270 status = hclge_add_mc_addr_common(vport, mac_addr); 271 if (!status) 272 hclge_add_vport_mac_table(vport, mac_addr, 273 HCLGE_MAC_ADDR_MC); 274 } else if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_MC_REMOVE) { 275 status = hclge_rm_mc_addr_common(vport, mac_addr); 276 if (!status) 277 hclge_rm_vport_mac_table(vport, mac_addr, 278 false, HCLGE_MAC_ADDR_MC); 279 } else { 280 dev_err(&hdev->pdev->dev, 281 "failed to set mcast mac addr, unknown subcode %d\n", 282 mbx_req->msg[1]); 283 return -EIO; 284 } 285 286 if (gen_resp) 287 hclge_gen_resp_to_vf(vport, mbx_req, status, 288 &resp_data, resp_len); 289 290 return 0; 291 } 292 293 int hclge_push_vf_port_base_vlan_info(struct hclge_vport *vport, u8 vfid, 294 u16 state, u16 vlan_tag, u16 qos, 295 u16 vlan_proto) 296 { 297 #define MSG_DATA_SIZE 8 298 299 u8 msg_data[MSG_DATA_SIZE]; 300 301 memcpy(&msg_data[0], &state, sizeof(u16)); 302 memcpy(&msg_data[2], &vlan_proto, sizeof(u16)); 303 memcpy(&msg_data[4], &qos, sizeof(u16)); 304 memcpy(&msg_data[6], &vlan_tag, sizeof(u16)); 305 306 return hclge_send_mbx_msg(vport, msg_data, sizeof(msg_data), 307 HCLGE_MBX_PUSH_VLAN_INFO, vfid); 308 } 309 310 static int hclge_set_vf_vlan_cfg(struct hclge_vport *vport, 311 struct hclge_mbx_vf_to_pf_cmd *mbx_req) 312 { 313 struct hclge_vf_vlan_cfg *msg_cmd; 314 int status = 0; 315 316 msg_cmd = (struct hclge_vf_vlan_cfg *)mbx_req->msg; 317 if (msg_cmd->subcode == HCLGE_MBX_VLAN_FILTER) { 318 struct hnae3_handle *handle = &vport->nic; 319 u16 vlan, proto; 320 bool is_kill; 321 322 is_kill = !!msg_cmd->is_kill; 323 vlan = msg_cmd->vlan; 324 proto = msg_cmd->proto; 325 status = hclge_set_vlan_filter(handle, cpu_to_be16(proto), 326 vlan, is_kill); 327 } else if (msg_cmd->subcode == HCLGE_MBX_VLAN_RX_OFF_CFG) { 328 struct hnae3_handle *handle = &vport->nic; 329 bool en = msg_cmd->is_kill ? true : false; 330 331 status = hclge_en_hw_strip_rxvtag(handle, en); 332 } else if (mbx_req->msg[1] == HCLGE_MBX_PORT_BASE_VLAN_CFG) { 333 struct hclge_vlan_info *vlan_info; 334 u16 *state; 335 336 state = (u16 *)&mbx_req->msg[2]; 337 vlan_info = (struct hclge_vlan_info *)&mbx_req->msg[4]; 338 status = hclge_update_port_base_vlan_cfg(vport, *state, 339 vlan_info); 340 } else if (mbx_req->msg[1] == HCLGE_MBX_GET_PORT_BASE_VLAN_STATE) { 341 u8 state; 342 343 state = vport->port_base_vlan_cfg.state; 344 status = hclge_gen_resp_to_vf(vport, mbx_req, 0, &state, 345 sizeof(u8)); 346 } 347 348 return status; 349 } 350 351 static int hclge_set_vf_alive(struct hclge_vport *vport, 352 struct hclge_mbx_vf_to_pf_cmd *mbx_req, 353 bool gen_resp) 354 { 355 bool alive = !!mbx_req->msg[2]; 356 int ret = 0; 357 358 if (alive) 359 ret = hclge_vport_start(vport); 360 else 361 hclge_vport_stop(vport); 362 363 return ret; 364 } 365 366 static int hclge_get_vf_tcinfo(struct hclge_vport *vport, 367 struct hclge_mbx_vf_to_pf_cmd *mbx_req, 368 bool gen_resp) 369 { 370 struct hnae3_knic_private_info *kinfo = &vport->nic.kinfo; 371 u8 vf_tc_map = 0; 372 unsigned int i; 373 int ret; 374 375 for (i = 0; i < kinfo->num_tc; i++) 376 vf_tc_map |= BIT(i); 377 378 ret = hclge_gen_resp_to_vf(vport, mbx_req, 0, &vf_tc_map, 379 sizeof(vf_tc_map)); 380 381 return ret; 382 } 383 384 static int hclge_get_vf_queue_info(struct hclge_vport *vport, 385 struct hclge_mbx_vf_to_pf_cmd *mbx_req, 386 bool gen_resp) 387 { 388 #define HCLGE_TQPS_RSS_INFO_LEN 6 389 u8 resp_data[HCLGE_TQPS_RSS_INFO_LEN]; 390 struct hclge_dev *hdev = vport->back; 391 392 /* get the queue related info */ 393 memcpy(&resp_data[0], &vport->alloc_tqps, sizeof(u16)); 394 memcpy(&resp_data[2], &vport->nic.kinfo.rss_size, sizeof(u16)); 395 memcpy(&resp_data[4], &hdev->rx_buf_len, sizeof(u16)); 396 397 return hclge_gen_resp_to_vf(vport, mbx_req, 0, resp_data, 398 HCLGE_TQPS_RSS_INFO_LEN); 399 } 400 401 static int hclge_get_vf_queue_depth(struct hclge_vport *vport, 402 struct hclge_mbx_vf_to_pf_cmd *mbx_req, 403 bool gen_resp) 404 { 405 #define HCLGE_TQPS_DEPTH_INFO_LEN 4 406 u8 resp_data[HCLGE_TQPS_DEPTH_INFO_LEN]; 407 struct hclge_dev *hdev = vport->back; 408 409 /* get the queue depth info */ 410 memcpy(&resp_data[0], &hdev->num_tx_desc, sizeof(u16)); 411 memcpy(&resp_data[2], &hdev->num_rx_desc, sizeof(u16)); 412 return hclge_gen_resp_to_vf(vport, mbx_req, 0, resp_data, 413 HCLGE_TQPS_DEPTH_INFO_LEN); 414 } 415 416 static int hclge_get_vf_media_type(struct hclge_vport *vport, 417 struct hclge_mbx_vf_to_pf_cmd *mbx_req) 418 { 419 struct hclge_dev *hdev = vport->back; 420 u8 resp_data[2]; 421 422 resp_data[0] = hdev->hw.mac.media_type; 423 resp_data[1] = hdev->hw.mac.module_type; 424 return hclge_gen_resp_to_vf(vport, mbx_req, 0, resp_data, 425 sizeof(resp_data)); 426 } 427 428 static int hclge_get_link_info(struct hclge_vport *vport, 429 struct hclge_mbx_vf_to_pf_cmd *mbx_req) 430 { 431 struct hclge_dev *hdev = vport->back; 432 u16 link_status; 433 u8 msg_data[8]; 434 u8 dest_vfid; 435 u16 duplex; 436 437 /* mac.link can only be 0 or 1 */ 438 link_status = (u16)hdev->hw.mac.link; 439 duplex = hdev->hw.mac.duplex; 440 memcpy(&msg_data[0], &link_status, sizeof(u16)); 441 memcpy(&msg_data[2], &hdev->hw.mac.speed, sizeof(u32)); 442 memcpy(&msg_data[6], &duplex, sizeof(u16)); 443 dest_vfid = mbx_req->mbx_src_vfid; 444 445 /* send this requested info to VF */ 446 return hclge_send_mbx_msg(vport, msg_data, sizeof(msg_data), 447 HCLGE_MBX_LINK_STAT_CHANGE, dest_vfid); 448 } 449 450 static void hclge_get_link_mode(struct hclge_vport *vport, 451 struct hclge_mbx_vf_to_pf_cmd *mbx_req) 452 { 453 #define HCLGE_SUPPORTED 1 454 struct hclge_dev *hdev = vport->back; 455 unsigned long advertising; 456 unsigned long supported; 457 unsigned long send_data; 458 u8 msg_data[10]; 459 u8 dest_vfid; 460 461 advertising = hdev->hw.mac.advertising[0]; 462 supported = hdev->hw.mac.supported[0]; 463 dest_vfid = mbx_req->mbx_src_vfid; 464 msg_data[0] = mbx_req->msg[2]; 465 466 send_data = msg_data[0] == HCLGE_SUPPORTED ? supported : advertising; 467 468 memcpy(&msg_data[2], &send_data, sizeof(unsigned long)); 469 hclge_send_mbx_msg(vport, msg_data, sizeof(msg_data), 470 HCLGE_MBX_LINK_STAT_MODE, dest_vfid); 471 } 472 473 static void hclge_mbx_reset_vf_queue(struct hclge_vport *vport, 474 struct hclge_mbx_vf_to_pf_cmd *mbx_req) 475 { 476 u16 queue_id; 477 478 memcpy(&queue_id, &mbx_req->msg[2], sizeof(queue_id)); 479 480 hclge_reset_vf_queue(vport, queue_id); 481 482 /* send response msg to VF after queue reset complete */ 483 hclge_gen_resp_to_vf(vport, mbx_req, 0, NULL, 0); 484 } 485 486 static void hclge_reset_vf(struct hclge_vport *vport, 487 struct hclge_mbx_vf_to_pf_cmd *mbx_req) 488 { 489 struct hclge_dev *hdev = vport->back; 490 int ret; 491 492 dev_warn(&hdev->pdev->dev, "PF received VF reset request from VF %d!", 493 vport->vport_id); 494 495 ret = hclge_func_reset_cmd(hdev, vport->vport_id); 496 hclge_gen_resp_to_vf(vport, mbx_req, ret, NULL, 0); 497 } 498 499 static void hclge_vf_keep_alive(struct hclge_vport *vport, 500 struct hclge_mbx_vf_to_pf_cmd *mbx_req) 501 { 502 vport->last_active_jiffies = jiffies; 503 } 504 505 static int hclge_set_vf_mtu(struct hclge_vport *vport, 506 struct hclge_mbx_vf_to_pf_cmd *mbx_req) 507 { 508 int ret; 509 u32 mtu; 510 511 memcpy(&mtu, &mbx_req->msg[2], sizeof(mtu)); 512 ret = hclge_set_vport_mtu(vport, mtu); 513 514 return hclge_gen_resp_to_vf(vport, mbx_req, ret, NULL, 0); 515 } 516 517 static int hclge_get_queue_id_in_pf(struct hclge_vport *vport, 518 struct hclge_mbx_vf_to_pf_cmd *mbx_req) 519 { 520 u16 queue_id, qid_in_pf; 521 u8 resp_data[2]; 522 523 memcpy(&queue_id, &mbx_req->msg[2], sizeof(queue_id)); 524 qid_in_pf = hclge_covert_handle_qid_global(&vport->nic, queue_id); 525 memcpy(resp_data, &qid_in_pf, sizeof(qid_in_pf)); 526 527 return hclge_gen_resp_to_vf(vport, mbx_req, 0, resp_data, 2); 528 } 529 530 static int hclge_get_rss_key(struct hclge_vport *vport, 531 struct hclge_mbx_vf_to_pf_cmd *mbx_req) 532 { 533 #define HCLGE_RSS_MBX_RESP_LEN 8 534 u8 resp_data[HCLGE_RSS_MBX_RESP_LEN]; 535 struct hclge_dev *hdev = vport->back; 536 u8 index; 537 538 index = mbx_req->msg[2]; 539 540 memcpy(&resp_data[0], 541 &hdev->vport[0].rss_hash_key[index * HCLGE_RSS_MBX_RESP_LEN], 542 HCLGE_RSS_MBX_RESP_LEN); 543 544 return hclge_gen_resp_to_vf(vport, mbx_req, 0, resp_data, 545 HCLGE_RSS_MBX_RESP_LEN); 546 } 547 548 static void hclge_link_fail_parse(struct hclge_dev *hdev, u8 link_fail_code) 549 { 550 switch (link_fail_code) { 551 case HCLGE_LF_REF_CLOCK_LOST: 552 dev_warn(&hdev->pdev->dev, "Reference clock lost!\n"); 553 break; 554 case HCLGE_LF_XSFP_TX_DISABLE: 555 dev_warn(&hdev->pdev->dev, "SFP tx is disabled!\n"); 556 break; 557 case HCLGE_LF_XSFP_ABSENT: 558 dev_warn(&hdev->pdev->dev, "SFP is absent!\n"); 559 break; 560 default: 561 break; 562 } 563 } 564 565 static void hclge_handle_link_change_event(struct hclge_dev *hdev, 566 struct hclge_mbx_vf_to_pf_cmd *req) 567 { 568 #define LINK_STATUS_OFFSET 1 569 #define LINK_FAIL_CODE_OFFSET 2 570 571 clear_bit(HCLGE_STATE_SERVICE_SCHED, &hdev->state); 572 hclge_task_schedule(hdev, 0); 573 574 if (!req->msg[LINK_STATUS_OFFSET]) 575 hclge_link_fail_parse(hdev, req->msg[LINK_FAIL_CODE_OFFSET]); 576 } 577 578 static bool hclge_cmd_crq_empty(struct hclge_hw *hw) 579 { 580 u32 tail = hclge_read_dev(hw, HCLGE_NIC_CRQ_TAIL_REG); 581 582 return tail == hw->cmq.crq.next_to_use; 583 } 584 585 static void hclge_handle_ncsi_error(struct hclge_dev *hdev) 586 { 587 struct hnae3_ae_dev *ae_dev = hdev->ae_dev; 588 589 ae_dev->ops->set_default_reset_request(ae_dev, HNAE3_GLOBAL_RESET); 590 dev_warn(&hdev->pdev->dev, "requesting reset due to NCSI error\n"); 591 ae_dev->ops->reset_event(hdev->pdev, NULL); 592 } 593 594 void hclge_mbx_handler(struct hclge_dev *hdev) 595 { 596 struct hclge_cmq_ring *crq = &hdev->hw.cmq.crq; 597 struct hclge_mbx_vf_to_pf_cmd *req; 598 struct hclge_vport *vport; 599 struct hclge_desc *desc; 600 unsigned int flag; 601 int ret; 602 603 /* handle all the mailbox requests in the queue */ 604 while (!hclge_cmd_crq_empty(&hdev->hw)) { 605 if (test_bit(HCLGE_STATE_CMD_DISABLE, &hdev->state)) { 606 dev_warn(&hdev->pdev->dev, 607 "command queue needs re-initializing\n"); 608 return; 609 } 610 611 desc = &crq->desc[crq->next_to_use]; 612 req = (struct hclge_mbx_vf_to_pf_cmd *)desc->data; 613 614 flag = le16_to_cpu(crq->desc[crq->next_to_use].flag); 615 if (unlikely(!hnae3_get_bit(flag, HCLGE_CMDQ_RX_OUTVLD_B))) { 616 dev_warn(&hdev->pdev->dev, 617 "dropped invalid mailbox message, code = %d\n", 618 req->msg[0]); 619 620 /* dropping/not processing this invalid message */ 621 crq->desc[crq->next_to_use].flag = 0; 622 hclge_mbx_ring_ptr_move_crq(crq); 623 continue; 624 } 625 626 vport = &hdev->vport[req->mbx_src_vfid]; 627 628 switch (req->msg[0]) { 629 case HCLGE_MBX_MAP_RING_TO_VECTOR: 630 ret = hclge_map_unmap_ring_to_vf_vector(vport, true, 631 req); 632 break; 633 case HCLGE_MBX_UNMAP_RING_TO_VECTOR: 634 ret = hclge_map_unmap_ring_to_vf_vector(vport, false, 635 req); 636 break; 637 case HCLGE_MBX_SET_PROMISC_MODE: 638 ret = hclge_set_vf_promisc_mode(vport, req); 639 if (ret) 640 dev_err(&hdev->pdev->dev, 641 "PF fail(%d) to set VF promisc mode\n", 642 ret); 643 break; 644 case HCLGE_MBX_SET_UNICAST: 645 ret = hclge_set_vf_uc_mac_addr(vport, req); 646 if (ret) 647 dev_err(&hdev->pdev->dev, 648 "PF fail(%d) to set VF UC MAC Addr\n", 649 ret); 650 break; 651 case HCLGE_MBX_SET_MULTICAST: 652 ret = hclge_set_vf_mc_mac_addr(vport, req, false); 653 if (ret) 654 dev_err(&hdev->pdev->dev, 655 "PF fail(%d) to set VF MC MAC Addr\n", 656 ret); 657 break; 658 case HCLGE_MBX_SET_VLAN: 659 ret = hclge_set_vf_vlan_cfg(vport, req); 660 if (ret) 661 dev_err(&hdev->pdev->dev, 662 "PF failed(%d) to config VF's VLAN\n", 663 ret); 664 break; 665 case HCLGE_MBX_SET_ALIVE: 666 ret = hclge_set_vf_alive(vport, req, false); 667 if (ret) 668 dev_err(&hdev->pdev->dev, 669 "PF failed(%d) to set VF's ALIVE\n", 670 ret); 671 break; 672 case HCLGE_MBX_GET_QINFO: 673 ret = hclge_get_vf_queue_info(vport, req, true); 674 if (ret) 675 dev_err(&hdev->pdev->dev, 676 "PF failed(%d) to get Q info for VF\n", 677 ret); 678 break; 679 case HCLGE_MBX_GET_QDEPTH: 680 ret = hclge_get_vf_queue_depth(vport, req, true); 681 if (ret) 682 dev_err(&hdev->pdev->dev, 683 "PF failed(%d) to get Q depth for VF\n", 684 ret); 685 break; 686 687 case HCLGE_MBX_GET_TCINFO: 688 ret = hclge_get_vf_tcinfo(vport, req, true); 689 if (ret) 690 dev_err(&hdev->pdev->dev, 691 "PF failed(%d) to get TC info for VF\n", 692 ret); 693 break; 694 case HCLGE_MBX_GET_LINK_STATUS: 695 ret = hclge_get_link_info(vport, req); 696 if (ret) 697 dev_err(&hdev->pdev->dev, 698 "PF fail(%d) to get link stat for VF\n", 699 ret); 700 break; 701 case HCLGE_MBX_QUEUE_RESET: 702 hclge_mbx_reset_vf_queue(vport, req); 703 break; 704 case HCLGE_MBX_RESET: 705 hclge_reset_vf(vport, req); 706 break; 707 case HCLGE_MBX_KEEP_ALIVE: 708 hclge_vf_keep_alive(vport, req); 709 break; 710 case HCLGE_MBX_SET_MTU: 711 ret = hclge_set_vf_mtu(vport, req); 712 if (ret) 713 dev_err(&hdev->pdev->dev, 714 "VF fail(%d) to set mtu\n", ret); 715 break; 716 case HCLGE_MBX_GET_QID_IN_PF: 717 ret = hclge_get_queue_id_in_pf(vport, req); 718 if (ret) 719 dev_err(&hdev->pdev->dev, 720 "PF failed(%d) to get qid for VF\n", 721 ret); 722 break; 723 case HCLGE_MBX_GET_RSS_KEY: 724 ret = hclge_get_rss_key(vport, req); 725 if (ret) 726 dev_err(&hdev->pdev->dev, 727 "PF fail(%d) to get rss key for VF\n", 728 ret); 729 break; 730 case HCLGE_MBX_GET_LINK_MODE: 731 hclge_get_link_mode(vport, req); 732 break; 733 case HCLGE_MBX_GET_VF_FLR_STATUS: 734 mutex_lock(&hdev->vport_cfg_mutex); 735 hclge_rm_vport_all_mac_table(vport, true, 736 HCLGE_MAC_ADDR_UC); 737 hclge_rm_vport_all_mac_table(vport, true, 738 HCLGE_MAC_ADDR_MC); 739 hclge_rm_vport_all_vlan_table(vport, true); 740 mutex_unlock(&hdev->vport_cfg_mutex); 741 break; 742 case HCLGE_MBX_GET_MEDIA_TYPE: 743 ret = hclge_get_vf_media_type(vport, req); 744 if (ret) 745 dev_err(&hdev->pdev->dev, 746 "PF fail(%d) to media type for VF\n", 747 ret); 748 break; 749 case HCLGE_MBX_PUSH_LINK_STATUS: 750 hclge_handle_link_change_event(hdev, req); 751 break; 752 case HCLGE_MBX_NCSI_ERROR: 753 hclge_handle_ncsi_error(hdev); 754 break; 755 default: 756 dev_err(&hdev->pdev->dev, 757 "un-supported mailbox message, code = %d\n", 758 req->msg[0]); 759 break; 760 } 761 crq->desc[crq->next_to_use].flag = 0; 762 hclge_mbx_ring_ptr_move_crq(crq); 763 } 764 765 /* Write back CMDQ_RQ header pointer, M7 need this pointer */ 766 hclge_write_dev(&hdev->hw, HCLGE_NIC_CRQ_HEAD_REG, crq->next_to_use); 767 } 768