1 // SPDX-License-Identifier: GPL-2.0+ 2 // Copyright (c) 2016-2017 Hisilicon Limited. 3 4 #include <linux/etherdevice.h> 5 #include <linux/iopoll.h> 6 #include <net/rtnetlink.h> 7 #include "hclgevf_cmd.h" 8 #include "hclgevf_main.h" 9 #include "hclge_mbx.h" 10 #include "hnae3.h" 11 12 #define HCLGEVF_NAME "hclgevf" 13 14 #define HCLGEVF_RESET_MAX_FAIL_CNT 5 15 16 static int hclgevf_reset_hdev(struct hclgevf_dev *hdev); 17 static struct hnae3_ae_algo ae_algovf; 18 19 static struct workqueue_struct *hclgevf_wq; 20 21 static const struct pci_device_id ae_algovf_pci_tbl[] = { 22 {PCI_VDEVICE(HUAWEI, HNAE3_DEV_ID_100G_VF), 0}, 23 {PCI_VDEVICE(HUAWEI, HNAE3_DEV_ID_100G_RDMA_DCB_PFC_VF), 0}, 24 /* required last entry */ 25 {0, } 26 }; 27 28 static const u8 hclgevf_hash_key[] = { 29 0x6D, 0x5A, 0x56, 0xDA, 0x25, 0x5B, 0x0E, 0xC2, 30 0x41, 0x67, 0x25, 0x3D, 0x43, 0xA3, 0x8F, 0xB0, 31 0xD0, 0xCA, 0x2B, 0xCB, 0xAE, 0x7B, 0x30, 0xB4, 32 0x77, 0xCB, 0x2D, 0xA3, 0x80, 0x30, 0xF2, 0x0C, 33 0x6A, 0x42, 0xB7, 0x3B, 0xBE, 0xAC, 0x01, 0xFA 34 }; 35 36 MODULE_DEVICE_TABLE(pci, ae_algovf_pci_tbl); 37 38 static const u32 cmdq_reg_addr_list[] = {HCLGEVF_CMDQ_TX_ADDR_L_REG, 39 HCLGEVF_CMDQ_TX_ADDR_H_REG, 40 HCLGEVF_CMDQ_TX_DEPTH_REG, 41 HCLGEVF_CMDQ_TX_TAIL_REG, 42 HCLGEVF_CMDQ_TX_HEAD_REG, 43 HCLGEVF_CMDQ_RX_ADDR_L_REG, 44 HCLGEVF_CMDQ_RX_ADDR_H_REG, 45 HCLGEVF_CMDQ_RX_DEPTH_REG, 46 HCLGEVF_CMDQ_RX_TAIL_REG, 47 HCLGEVF_CMDQ_RX_HEAD_REG, 48 HCLGEVF_VECTOR0_CMDQ_SRC_REG, 49 HCLGEVF_CMDQ_INTR_STS_REG, 50 HCLGEVF_CMDQ_INTR_EN_REG, 51 HCLGEVF_CMDQ_INTR_GEN_REG}; 52 53 static const u32 common_reg_addr_list[] = {HCLGEVF_MISC_VECTOR_REG_BASE, 54 HCLGEVF_RST_ING, 55 HCLGEVF_GRO_EN_REG}; 56 57 static const u32 ring_reg_addr_list[] = {HCLGEVF_RING_RX_ADDR_L_REG, 58 HCLGEVF_RING_RX_ADDR_H_REG, 59 HCLGEVF_RING_RX_BD_NUM_REG, 60 HCLGEVF_RING_RX_BD_LENGTH_REG, 61 HCLGEVF_RING_RX_MERGE_EN_REG, 62 HCLGEVF_RING_RX_TAIL_REG, 63 HCLGEVF_RING_RX_HEAD_REG, 64 HCLGEVF_RING_RX_FBD_NUM_REG, 65 HCLGEVF_RING_RX_OFFSET_REG, 66 HCLGEVF_RING_RX_FBD_OFFSET_REG, 67 HCLGEVF_RING_RX_STASH_REG, 68 HCLGEVF_RING_RX_BD_ERR_REG, 69 HCLGEVF_RING_TX_ADDR_L_REG, 70 HCLGEVF_RING_TX_ADDR_H_REG, 71 HCLGEVF_RING_TX_BD_NUM_REG, 72 HCLGEVF_RING_TX_PRIORITY_REG, 73 HCLGEVF_RING_TX_TC_REG, 74 HCLGEVF_RING_TX_MERGE_EN_REG, 75 HCLGEVF_RING_TX_TAIL_REG, 76 HCLGEVF_RING_TX_HEAD_REG, 77 HCLGEVF_RING_TX_FBD_NUM_REG, 78 HCLGEVF_RING_TX_OFFSET_REG, 79 HCLGEVF_RING_TX_EBD_NUM_REG, 80 HCLGEVF_RING_TX_EBD_OFFSET_REG, 81 HCLGEVF_RING_TX_BD_ERR_REG, 82 HCLGEVF_RING_EN_REG}; 83 84 static const u32 tqp_intr_reg_addr_list[] = {HCLGEVF_TQP_INTR_CTRL_REG, 85 HCLGEVF_TQP_INTR_GL0_REG, 86 HCLGEVF_TQP_INTR_GL1_REG, 87 HCLGEVF_TQP_INTR_GL2_REG, 88 HCLGEVF_TQP_INTR_RL_REG}; 89 90 static struct hclgevf_dev *hclgevf_ae_get_hdev(struct hnae3_handle *handle) 91 { 92 if (!handle->client) 93 return container_of(handle, struct hclgevf_dev, nic); 94 else if (handle->client->type == HNAE3_CLIENT_ROCE) 95 return container_of(handle, struct hclgevf_dev, roce); 96 else 97 return container_of(handle, struct hclgevf_dev, nic); 98 } 99 100 static int hclgevf_tqps_update_stats(struct hnae3_handle *handle) 101 { 102 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 103 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 104 struct hclgevf_desc desc; 105 struct hclgevf_tqp *tqp; 106 int status; 107 int i; 108 109 for (i = 0; i < kinfo->num_tqps; i++) { 110 tqp = container_of(kinfo->tqp[i], struct hclgevf_tqp, q); 111 hclgevf_cmd_setup_basic_desc(&desc, 112 HCLGEVF_OPC_QUERY_RX_STATUS, 113 true); 114 115 desc.data[0] = cpu_to_le32(tqp->index & 0x1ff); 116 status = hclgevf_cmd_send(&hdev->hw, &desc, 1); 117 if (status) { 118 dev_err(&hdev->pdev->dev, 119 "Query tqp stat fail, status = %d,queue = %d\n", 120 status, i); 121 return status; 122 } 123 tqp->tqp_stats.rcb_rx_ring_pktnum_rcd += 124 le32_to_cpu(desc.data[1]); 125 126 hclgevf_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_QUERY_TX_STATUS, 127 true); 128 129 desc.data[0] = cpu_to_le32(tqp->index & 0x1ff); 130 status = hclgevf_cmd_send(&hdev->hw, &desc, 1); 131 if (status) { 132 dev_err(&hdev->pdev->dev, 133 "Query tqp stat fail, status = %d,queue = %d\n", 134 status, i); 135 return status; 136 } 137 tqp->tqp_stats.rcb_tx_ring_pktnum_rcd += 138 le32_to_cpu(desc.data[1]); 139 } 140 141 return 0; 142 } 143 144 static u64 *hclgevf_tqps_get_stats(struct hnae3_handle *handle, u64 *data) 145 { 146 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 147 struct hclgevf_tqp *tqp; 148 u64 *buff = data; 149 int i; 150 151 for (i = 0; i < kinfo->num_tqps; i++) { 152 tqp = container_of(kinfo->tqp[i], struct hclgevf_tqp, q); 153 *buff++ = tqp->tqp_stats.rcb_tx_ring_pktnum_rcd; 154 } 155 for (i = 0; i < kinfo->num_tqps; i++) { 156 tqp = container_of(kinfo->tqp[i], struct hclgevf_tqp, q); 157 *buff++ = tqp->tqp_stats.rcb_rx_ring_pktnum_rcd; 158 } 159 160 return buff; 161 } 162 163 static int hclgevf_tqps_get_sset_count(struct hnae3_handle *handle, int strset) 164 { 165 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 166 167 return kinfo->num_tqps * 2; 168 } 169 170 static u8 *hclgevf_tqps_get_strings(struct hnae3_handle *handle, u8 *data) 171 { 172 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 173 u8 *buff = data; 174 int i = 0; 175 176 for (i = 0; i < kinfo->num_tqps; i++) { 177 struct hclgevf_tqp *tqp = container_of(kinfo->tqp[i], 178 struct hclgevf_tqp, q); 179 snprintf(buff, ETH_GSTRING_LEN, "txq%d_pktnum_rcd", 180 tqp->index); 181 buff += ETH_GSTRING_LEN; 182 } 183 184 for (i = 0; i < kinfo->num_tqps; i++) { 185 struct hclgevf_tqp *tqp = container_of(kinfo->tqp[i], 186 struct hclgevf_tqp, q); 187 snprintf(buff, ETH_GSTRING_LEN, "rxq%d_pktnum_rcd", 188 tqp->index); 189 buff += ETH_GSTRING_LEN; 190 } 191 192 return buff; 193 } 194 195 static void hclgevf_update_stats(struct hnae3_handle *handle, 196 struct net_device_stats *net_stats) 197 { 198 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 199 int status; 200 201 status = hclgevf_tqps_update_stats(handle); 202 if (status) 203 dev_err(&hdev->pdev->dev, 204 "VF update of TQPS stats fail, status = %d.\n", 205 status); 206 } 207 208 static int hclgevf_get_sset_count(struct hnae3_handle *handle, int strset) 209 { 210 if (strset == ETH_SS_TEST) 211 return -EOPNOTSUPP; 212 else if (strset == ETH_SS_STATS) 213 return hclgevf_tqps_get_sset_count(handle, strset); 214 215 return 0; 216 } 217 218 static void hclgevf_get_strings(struct hnae3_handle *handle, u32 strset, 219 u8 *data) 220 { 221 u8 *p = (char *)data; 222 223 if (strset == ETH_SS_STATS) 224 p = hclgevf_tqps_get_strings(handle, p); 225 } 226 227 static void hclgevf_get_stats(struct hnae3_handle *handle, u64 *data) 228 { 229 hclgevf_tqps_get_stats(handle, data); 230 } 231 232 static int hclgevf_get_tc_info(struct hclgevf_dev *hdev) 233 { 234 u8 resp_msg; 235 int status; 236 237 status = hclgevf_send_mbx_msg(hdev, HCLGE_MBX_GET_TCINFO, 0, NULL, 0, 238 true, &resp_msg, sizeof(resp_msg)); 239 if (status) { 240 dev_err(&hdev->pdev->dev, 241 "VF request to get TC info from PF failed %d", 242 status); 243 return status; 244 } 245 246 hdev->hw_tc_map = resp_msg; 247 248 return 0; 249 } 250 251 static int hclgevf_get_port_base_vlan_filter_state(struct hclgevf_dev *hdev) 252 { 253 struct hnae3_handle *nic = &hdev->nic; 254 u8 resp_msg; 255 int ret; 256 257 ret = hclgevf_send_mbx_msg(hdev, HCLGE_MBX_SET_VLAN, 258 HCLGE_MBX_GET_PORT_BASE_VLAN_STATE, 259 NULL, 0, true, &resp_msg, sizeof(u8)); 260 if (ret) { 261 dev_err(&hdev->pdev->dev, 262 "VF request to get port based vlan state failed %d", 263 ret); 264 return ret; 265 } 266 267 nic->port_base_vlan_state = resp_msg; 268 269 return 0; 270 } 271 272 static int hclgevf_get_queue_info(struct hclgevf_dev *hdev) 273 { 274 #define HCLGEVF_TQPS_RSS_INFO_LEN 6 275 u8 resp_msg[HCLGEVF_TQPS_RSS_INFO_LEN]; 276 int status; 277 278 status = hclgevf_send_mbx_msg(hdev, HCLGE_MBX_GET_QINFO, 0, NULL, 0, 279 true, resp_msg, 280 HCLGEVF_TQPS_RSS_INFO_LEN); 281 if (status) { 282 dev_err(&hdev->pdev->dev, 283 "VF request to get tqp info from PF failed %d", 284 status); 285 return status; 286 } 287 288 memcpy(&hdev->num_tqps, &resp_msg[0], sizeof(u16)); 289 memcpy(&hdev->rss_size_max, &resp_msg[2], sizeof(u16)); 290 memcpy(&hdev->rx_buf_len, &resp_msg[4], sizeof(u16)); 291 292 return 0; 293 } 294 295 static int hclgevf_get_queue_depth(struct hclgevf_dev *hdev) 296 { 297 #define HCLGEVF_TQPS_DEPTH_INFO_LEN 4 298 u8 resp_msg[HCLGEVF_TQPS_DEPTH_INFO_LEN]; 299 int ret; 300 301 ret = hclgevf_send_mbx_msg(hdev, HCLGE_MBX_GET_QDEPTH, 0, NULL, 0, 302 true, resp_msg, 303 HCLGEVF_TQPS_DEPTH_INFO_LEN); 304 if (ret) { 305 dev_err(&hdev->pdev->dev, 306 "VF request to get tqp depth info from PF failed %d", 307 ret); 308 return ret; 309 } 310 311 memcpy(&hdev->num_tx_desc, &resp_msg[0], sizeof(u16)); 312 memcpy(&hdev->num_rx_desc, &resp_msg[2], sizeof(u16)); 313 314 return 0; 315 } 316 317 static u16 hclgevf_get_qid_global(struct hnae3_handle *handle, u16 queue_id) 318 { 319 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 320 u8 msg_data[2], resp_data[2]; 321 u16 qid_in_pf = 0; 322 int ret; 323 324 memcpy(&msg_data[0], &queue_id, sizeof(queue_id)); 325 326 ret = hclgevf_send_mbx_msg(hdev, HCLGE_MBX_GET_QID_IN_PF, 0, msg_data, 327 sizeof(msg_data), true, resp_data, 328 sizeof(resp_data)); 329 if (!ret) 330 qid_in_pf = *(u16 *)resp_data; 331 332 return qid_in_pf; 333 } 334 335 static int hclgevf_get_pf_media_type(struct hclgevf_dev *hdev) 336 { 337 u8 resp_msg[2]; 338 int ret; 339 340 ret = hclgevf_send_mbx_msg(hdev, HCLGE_MBX_GET_MEDIA_TYPE, 0, NULL, 0, 341 true, resp_msg, sizeof(resp_msg)); 342 if (ret) { 343 dev_err(&hdev->pdev->dev, 344 "VF request to get the pf port media type failed %d", 345 ret); 346 return ret; 347 } 348 349 hdev->hw.mac.media_type = resp_msg[0]; 350 hdev->hw.mac.module_type = resp_msg[1]; 351 352 return 0; 353 } 354 355 static int hclgevf_alloc_tqps(struct hclgevf_dev *hdev) 356 { 357 struct hclgevf_tqp *tqp; 358 int i; 359 360 hdev->htqp = devm_kcalloc(&hdev->pdev->dev, hdev->num_tqps, 361 sizeof(struct hclgevf_tqp), GFP_KERNEL); 362 if (!hdev->htqp) 363 return -ENOMEM; 364 365 tqp = hdev->htqp; 366 367 for (i = 0; i < hdev->num_tqps; i++) { 368 tqp->dev = &hdev->pdev->dev; 369 tqp->index = i; 370 371 tqp->q.ae_algo = &ae_algovf; 372 tqp->q.buf_size = hdev->rx_buf_len; 373 tqp->q.tx_desc_num = hdev->num_tx_desc; 374 tqp->q.rx_desc_num = hdev->num_rx_desc; 375 tqp->q.io_base = hdev->hw.io_base + HCLGEVF_TQP_REG_OFFSET + 376 i * HCLGEVF_TQP_REG_SIZE; 377 378 tqp++; 379 } 380 381 return 0; 382 } 383 384 static int hclgevf_knic_setup(struct hclgevf_dev *hdev) 385 { 386 struct hnae3_handle *nic = &hdev->nic; 387 struct hnae3_knic_private_info *kinfo; 388 u16 new_tqps = hdev->num_tqps; 389 unsigned int i; 390 391 kinfo = &nic->kinfo; 392 kinfo->num_tc = 0; 393 kinfo->num_tx_desc = hdev->num_tx_desc; 394 kinfo->num_rx_desc = hdev->num_rx_desc; 395 kinfo->rx_buf_len = hdev->rx_buf_len; 396 for (i = 0; i < HCLGEVF_MAX_TC_NUM; i++) 397 if (hdev->hw_tc_map & BIT(i)) 398 kinfo->num_tc++; 399 400 kinfo->rss_size 401 = min_t(u16, hdev->rss_size_max, new_tqps / kinfo->num_tc); 402 new_tqps = kinfo->rss_size * kinfo->num_tc; 403 kinfo->num_tqps = min(new_tqps, hdev->num_tqps); 404 405 kinfo->tqp = devm_kcalloc(&hdev->pdev->dev, kinfo->num_tqps, 406 sizeof(struct hnae3_queue *), GFP_KERNEL); 407 if (!kinfo->tqp) 408 return -ENOMEM; 409 410 for (i = 0; i < kinfo->num_tqps; i++) { 411 hdev->htqp[i].q.handle = &hdev->nic; 412 hdev->htqp[i].q.tqp_index = i; 413 kinfo->tqp[i] = &hdev->htqp[i].q; 414 } 415 416 /* after init the max rss_size and tqps, adjust the default tqp numbers 417 * and rss size with the actual vector numbers 418 */ 419 kinfo->num_tqps = min_t(u16, hdev->num_nic_msix - 1, kinfo->num_tqps); 420 kinfo->rss_size = min_t(u16, kinfo->num_tqps / kinfo->num_tc, 421 kinfo->rss_size); 422 423 return 0; 424 } 425 426 static void hclgevf_request_link_info(struct hclgevf_dev *hdev) 427 { 428 int status; 429 u8 resp_msg; 430 431 status = hclgevf_send_mbx_msg(hdev, HCLGE_MBX_GET_LINK_STATUS, 0, NULL, 432 0, false, &resp_msg, sizeof(resp_msg)); 433 if (status) 434 dev_err(&hdev->pdev->dev, 435 "VF failed to fetch link status(%d) from PF", status); 436 } 437 438 void hclgevf_update_link_status(struct hclgevf_dev *hdev, int link_state) 439 { 440 struct hnae3_handle *rhandle = &hdev->roce; 441 struct hnae3_handle *handle = &hdev->nic; 442 struct hnae3_client *rclient; 443 struct hnae3_client *client; 444 445 if (test_and_set_bit(HCLGEVF_STATE_LINK_UPDATING, &hdev->state)) 446 return; 447 448 client = handle->client; 449 rclient = hdev->roce_client; 450 451 link_state = 452 test_bit(HCLGEVF_STATE_DOWN, &hdev->state) ? 0 : link_state; 453 454 if (link_state != hdev->hw.mac.link) { 455 client->ops->link_status_change(handle, !!link_state); 456 if (rclient && rclient->ops->link_status_change) 457 rclient->ops->link_status_change(rhandle, !!link_state); 458 hdev->hw.mac.link = link_state; 459 } 460 461 clear_bit(HCLGEVF_STATE_LINK_UPDATING, &hdev->state); 462 } 463 464 static void hclgevf_update_link_mode(struct hclgevf_dev *hdev) 465 { 466 #define HCLGEVF_ADVERTISING 0 467 #define HCLGEVF_SUPPORTED 1 468 u8 send_msg; 469 u8 resp_msg; 470 471 send_msg = HCLGEVF_ADVERTISING; 472 hclgevf_send_mbx_msg(hdev, HCLGE_MBX_GET_LINK_MODE, 0, 473 &send_msg, sizeof(send_msg), false, 474 &resp_msg, sizeof(resp_msg)); 475 send_msg = HCLGEVF_SUPPORTED; 476 hclgevf_send_mbx_msg(hdev, HCLGE_MBX_GET_LINK_MODE, 0, 477 &send_msg, sizeof(send_msg), false, 478 &resp_msg, sizeof(resp_msg)); 479 } 480 481 static int hclgevf_set_handle_info(struct hclgevf_dev *hdev) 482 { 483 struct hnae3_handle *nic = &hdev->nic; 484 int ret; 485 486 nic->ae_algo = &ae_algovf; 487 nic->pdev = hdev->pdev; 488 nic->numa_node_mask = hdev->numa_node_mask; 489 nic->flags |= HNAE3_SUPPORT_VF; 490 491 ret = hclgevf_knic_setup(hdev); 492 if (ret) 493 dev_err(&hdev->pdev->dev, "VF knic setup failed %d\n", 494 ret); 495 return ret; 496 } 497 498 static void hclgevf_free_vector(struct hclgevf_dev *hdev, int vector_id) 499 { 500 if (hdev->vector_status[vector_id] == HCLGEVF_INVALID_VPORT) { 501 dev_warn(&hdev->pdev->dev, 502 "vector(vector_id %d) has been freed.\n", vector_id); 503 return; 504 } 505 506 hdev->vector_status[vector_id] = HCLGEVF_INVALID_VPORT; 507 hdev->num_msi_left += 1; 508 hdev->num_msi_used -= 1; 509 } 510 511 static int hclgevf_get_vector(struct hnae3_handle *handle, u16 vector_num, 512 struct hnae3_vector_info *vector_info) 513 { 514 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 515 struct hnae3_vector_info *vector = vector_info; 516 int alloc = 0; 517 int i, j; 518 519 vector_num = min_t(u16, hdev->num_nic_msix - 1, vector_num); 520 vector_num = min(hdev->num_msi_left, vector_num); 521 522 for (j = 0; j < vector_num; j++) { 523 for (i = HCLGEVF_MISC_VECTOR_NUM + 1; i < hdev->num_msi; i++) { 524 if (hdev->vector_status[i] == HCLGEVF_INVALID_VPORT) { 525 vector->vector = pci_irq_vector(hdev->pdev, i); 526 vector->io_addr = hdev->hw.io_base + 527 HCLGEVF_VECTOR_REG_BASE + 528 (i - 1) * HCLGEVF_VECTOR_REG_OFFSET; 529 hdev->vector_status[i] = 0; 530 hdev->vector_irq[i] = vector->vector; 531 532 vector++; 533 alloc++; 534 535 break; 536 } 537 } 538 } 539 hdev->num_msi_left -= alloc; 540 hdev->num_msi_used += alloc; 541 542 return alloc; 543 } 544 545 static int hclgevf_get_vector_index(struct hclgevf_dev *hdev, int vector) 546 { 547 int i; 548 549 for (i = 0; i < hdev->num_msi; i++) 550 if (vector == hdev->vector_irq[i]) 551 return i; 552 553 return -EINVAL; 554 } 555 556 static int hclgevf_set_rss_algo_key(struct hclgevf_dev *hdev, 557 const u8 hfunc, const u8 *key) 558 { 559 struct hclgevf_rss_config_cmd *req; 560 unsigned int key_offset = 0; 561 struct hclgevf_desc desc; 562 int key_counts; 563 int key_size; 564 int ret; 565 566 key_counts = HCLGEVF_RSS_KEY_SIZE; 567 req = (struct hclgevf_rss_config_cmd *)desc.data; 568 569 while (key_counts) { 570 hclgevf_cmd_setup_basic_desc(&desc, 571 HCLGEVF_OPC_RSS_GENERIC_CONFIG, 572 false); 573 574 req->hash_config |= (hfunc & HCLGEVF_RSS_HASH_ALGO_MASK); 575 req->hash_config |= 576 (key_offset << HCLGEVF_RSS_HASH_KEY_OFFSET_B); 577 578 key_size = min(HCLGEVF_RSS_HASH_KEY_NUM, key_counts); 579 memcpy(req->hash_key, 580 key + key_offset * HCLGEVF_RSS_HASH_KEY_NUM, key_size); 581 582 key_counts -= key_size; 583 key_offset++; 584 ret = hclgevf_cmd_send(&hdev->hw, &desc, 1); 585 if (ret) { 586 dev_err(&hdev->pdev->dev, 587 "Configure RSS config fail, status = %d\n", 588 ret); 589 return ret; 590 } 591 } 592 593 return 0; 594 } 595 596 static u32 hclgevf_get_rss_key_size(struct hnae3_handle *handle) 597 { 598 return HCLGEVF_RSS_KEY_SIZE; 599 } 600 601 static u32 hclgevf_get_rss_indir_size(struct hnae3_handle *handle) 602 { 603 return HCLGEVF_RSS_IND_TBL_SIZE; 604 } 605 606 static int hclgevf_set_rss_indir_table(struct hclgevf_dev *hdev) 607 { 608 const u8 *indir = hdev->rss_cfg.rss_indirection_tbl; 609 struct hclgevf_rss_indirection_table_cmd *req; 610 struct hclgevf_desc desc; 611 int status; 612 int i, j; 613 614 req = (struct hclgevf_rss_indirection_table_cmd *)desc.data; 615 616 for (i = 0; i < HCLGEVF_RSS_CFG_TBL_NUM; i++) { 617 hclgevf_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_RSS_INDIR_TABLE, 618 false); 619 req->start_table_index = i * HCLGEVF_RSS_CFG_TBL_SIZE; 620 req->rss_set_bitmap = HCLGEVF_RSS_SET_BITMAP_MSK; 621 for (j = 0; j < HCLGEVF_RSS_CFG_TBL_SIZE; j++) 622 req->rss_result[j] = 623 indir[i * HCLGEVF_RSS_CFG_TBL_SIZE + j]; 624 625 status = hclgevf_cmd_send(&hdev->hw, &desc, 1); 626 if (status) { 627 dev_err(&hdev->pdev->dev, 628 "VF failed(=%d) to set RSS indirection table\n", 629 status); 630 return status; 631 } 632 } 633 634 return 0; 635 } 636 637 static int hclgevf_set_rss_tc_mode(struct hclgevf_dev *hdev, u16 rss_size) 638 { 639 struct hclgevf_rss_tc_mode_cmd *req; 640 u16 tc_offset[HCLGEVF_MAX_TC_NUM]; 641 u16 tc_valid[HCLGEVF_MAX_TC_NUM]; 642 u16 tc_size[HCLGEVF_MAX_TC_NUM]; 643 struct hclgevf_desc desc; 644 u16 roundup_size; 645 int status; 646 unsigned int i; 647 648 req = (struct hclgevf_rss_tc_mode_cmd *)desc.data; 649 650 roundup_size = roundup_pow_of_two(rss_size); 651 roundup_size = ilog2(roundup_size); 652 653 for (i = 0; i < HCLGEVF_MAX_TC_NUM; i++) { 654 tc_valid[i] = !!(hdev->hw_tc_map & BIT(i)); 655 tc_size[i] = roundup_size; 656 tc_offset[i] = rss_size * i; 657 } 658 659 hclgevf_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_RSS_TC_MODE, false); 660 for (i = 0; i < HCLGEVF_MAX_TC_NUM; i++) { 661 hnae3_set_bit(req->rss_tc_mode[i], HCLGEVF_RSS_TC_VALID_B, 662 (tc_valid[i] & 0x1)); 663 hnae3_set_field(req->rss_tc_mode[i], HCLGEVF_RSS_TC_SIZE_M, 664 HCLGEVF_RSS_TC_SIZE_S, tc_size[i]); 665 hnae3_set_field(req->rss_tc_mode[i], HCLGEVF_RSS_TC_OFFSET_M, 666 HCLGEVF_RSS_TC_OFFSET_S, tc_offset[i]); 667 } 668 status = hclgevf_cmd_send(&hdev->hw, &desc, 1); 669 if (status) 670 dev_err(&hdev->pdev->dev, 671 "VF failed(=%d) to set rss tc mode\n", status); 672 673 return status; 674 } 675 676 /* for revision 0x20, vf shared the same rss config with pf */ 677 static int hclgevf_get_rss_hash_key(struct hclgevf_dev *hdev) 678 { 679 #define HCLGEVF_RSS_MBX_RESP_LEN 8 680 681 struct hclgevf_rss_cfg *rss_cfg = &hdev->rss_cfg; 682 u8 resp_msg[HCLGEVF_RSS_MBX_RESP_LEN]; 683 u16 msg_num, hash_key_index; 684 u8 index; 685 int ret; 686 687 msg_num = (HCLGEVF_RSS_KEY_SIZE + HCLGEVF_RSS_MBX_RESP_LEN - 1) / 688 HCLGEVF_RSS_MBX_RESP_LEN; 689 for (index = 0; index < msg_num; index++) { 690 ret = hclgevf_send_mbx_msg(hdev, HCLGE_MBX_GET_RSS_KEY, 0, 691 &index, sizeof(index), 692 true, resp_msg, 693 HCLGEVF_RSS_MBX_RESP_LEN); 694 if (ret) { 695 dev_err(&hdev->pdev->dev, 696 "VF get rss hash key from PF failed, ret=%d", 697 ret); 698 return ret; 699 } 700 701 hash_key_index = HCLGEVF_RSS_MBX_RESP_LEN * index; 702 if (index == msg_num - 1) 703 memcpy(&rss_cfg->rss_hash_key[hash_key_index], 704 &resp_msg[0], 705 HCLGEVF_RSS_KEY_SIZE - hash_key_index); 706 else 707 memcpy(&rss_cfg->rss_hash_key[hash_key_index], 708 &resp_msg[0], HCLGEVF_RSS_MBX_RESP_LEN); 709 } 710 711 return 0; 712 } 713 714 static int hclgevf_get_rss(struct hnae3_handle *handle, u32 *indir, u8 *key, 715 u8 *hfunc) 716 { 717 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 718 struct hclgevf_rss_cfg *rss_cfg = &hdev->rss_cfg; 719 int i, ret; 720 721 if (handle->pdev->revision >= 0x21) { 722 /* Get hash algorithm */ 723 if (hfunc) { 724 switch (rss_cfg->hash_algo) { 725 case HCLGEVF_RSS_HASH_ALGO_TOEPLITZ: 726 *hfunc = ETH_RSS_HASH_TOP; 727 break; 728 case HCLGEVF_RSS_HASH_ALGO_SIMPLE: 729 *hfunc = ETH_RSS_HASH_XOR; 730 break; 731 default: 732 *hfunc = ETH_RSS_HASH_UNKNOWN; 733 break; 734 } 735 } 736 737 /* Get the RSS Key required by the user */ 738 if (key) 739 memcpy(key, rss_cfg->rss_hash_key, 740 HCLGEVF_RSS_KEY_SIZE); 741 } else { 742 if (hfunc) 743 *hfunc = ETH_RSS_HASH_TOP; 744 if (key) { 745 ret = hclgevf_get_rss_hash_key(hdev); 746 if (ret) 747 return ret; 748 memcpy(key, rss_cfg->rss_hash_key, 749 HCLGEVF_RSS_KEY_SIZE); 750 } 751 } 752 753 if (indir) 754 for (i = 0; i < HCLGEVF_RSS_IND_TBL_SIZE; i++) 755 indir[i] = rss_cfg->rss_indirection_tbl[i]; 756 757 return 0; 758 } 759 760 static int hclgevf_set_rss(struct hnae3_handle *handle, const u32 *indir, 761 const u8 *key, const u8 hfunc) 762 { 763 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 764 struct hclgevf_rss_cfg *rss_cfg = &hdev->rss_cfg; 765 int ret, i; 766 767 if (handle->pdev->revision >= 0x21) { 768 /* Set the RSS Hash Key if specififed by the user */ 769 if (key) { 770 switch (hfunc) { 771 case ETH_RSS_HASH_TOP: 772 rss_cfg->hash_algo = 773 HCLGEVF_RSS_HASH_ALGO_TOEPLITZ; 774 break; 775 case ETH_RSS_HASH_XOR: 776 rss_cfg->hash_algo = 777 HCLGEVF_RSS_HASH_ALGO_SIMPLE; 778 break; 779 case ETH_RSS_HASH_NO_CHANGE: 780 break; 781 default: 782 return -EINVAL; 783 } 784 785 ret = hclgevf_set_rss_algo_key(hdev, rss_cfg->hash_algo, 786 key); 787 if (ret) 788 return ret; 789 790 /* Update the shadow RSS key with user specified qids */ 791 memcpy(rss_cfg->rss_hash_key, key, 792 HCLGEVF_RSS_KEY_SIZE); 793 } 794 } 795 796 /* update the shadow RSS table with user specified qids */ 797 for (i = 0; i < HCLGEVF_RSS_IND_TBL_SIZE; i++) 798 rss_cfg->rss_indirection_tbl[i] = indir[i]; 799 800 /* update the hardware */ 801 return hclgevf_set_rss_indir_table(hdev); 802 } 803 804 static u8 hclgevf_get_rss_hash_bits(struct ethtool_rxnfc *nfc) 805 { 806 u8 hash_sets = nfc->data & RXH_L4_B_0_1 ? HCLGEVF_S_PORT_BIT : 0; 807 808 if (nfc->data & RXH_L4_B_2_3) 809 hash_sets |= HCLGEVF_D_PORT_BIT; 810 else 811 hash_sets &= ~HCLGEVF_D_PORT_BIT; 812 813 if (nfc->data & RXH_IP_SRC) 814 hash_sets |= HCLGEVF_S_IP_BIT; 815 else 816 hash_sets &= ~HCLGEVF_S_IP_BIT; 817 818 if (nfc->data & RXH_IP_DST) 819 hash_sets |= HCLGEVF_D_IP_BIT; 820 else 821 hash_sets &= ~HCLGEVF_D_IP_BIT; 822 823 if (nfc->flow_type == SCTP_V4_FLOW || nfc->flow_type == SCTP_V6_FLOW) 824 hash_sets |= HCLGEVF_V_TAG_BIT; 825 826 return hash_sets; 827 } 828 829 static int hclgevf_set_rss_tuple(struct hnae3_handle *handle, 830 struct ethtool_rxnfc *nfc) 831 { 832 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 833 struct hclgevf_rss_cfg *rss_cfg = &hdev->rss_cfg; 834 struct hclgevf_rss_input_tuple_cmd *req; 835 struct hclgevf_desc desc; 836 u8 tuple_sets; 837 int ret; 838 839 if (handle->pdev->revision == 0x20) 840 return -EOPNOTSUPP; 841 842 if (nfc->data & 843 ~(RXH_IP_SRC | RXH_IP_DST | RXH_L4_B_0_1 | RXH_L4_B_2_3)) 844 return -EINVAL; 845 846 req = (struct hclgevf_rss_input_tuple_cmd *)desc.data; 847 hclgevf_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_RSS_INPUT_TUPLE, false); 848 849 req->ipv4_tcp_en = rss_cfg->rss_tuple_sets.ipv4_tcp_en; 850 req->ipv4_udp_en = rss_cfg->rss_tuple_sets.ipv4_udp_en; 851 req->ipv4_sctp_en = rss_cfg->rss_tuple_sets.ipv4_sctp_en; 852 req->ipv4_fragment_en = rss_cfg->rss_tuple_sets.ipv4_fragment_en; 853 req->ipv6_tcp_en = rss_cfg->rss_tuple_sets.ipv6_tcp_en; 854 req->ipv6_udp_en = rss_cfg->rss_tuple_sets.ipv6_udp_en; 855 req->ipv6_sctp_en = rss_cfg->rss_tuple_sets.ipv6_sctp_en; 856 req->ipv6_fragment_en = rss_cfg->rss_tuple_sets.ipv6_fragment_en; 857 858 tuple_sets = hclgevf_get_rss_hash_bits(nfc); 859 switch (nfc->flow_type) { 860 case TCP_V4_FLOW: 861 req->ipv4_tcp_en = tuple_sets; 862 break; 863 case TCP_V6_FLOW: 864 req->ipv6_tcp_en = tuple_sets; 865 break; 866 case UDP_V4_FLOW: 867 req->ipv4_udp_en = tuple_sets; 868 break; 869 case UDP_V6_FLOW: 870 req->ipv6_udp_en = tuple_sets; 871 break; 872 case SCTP_V4_FLOW: 873 req->ipv4_sctp_en = tuple_sets; 874 break; 875 case SCTP_V6_FLOW: 876 if ((nfc->data & RXH_L4_B_0_1) || 877 (nfc->data & RXH_L4_B_2_3)) 878 return -EINVAL; 879 880 req->ipv6_sctp_en = tuple_sets; 881 break; 882 case IPV4_FLOW: 883 req->ipv4_fragment_en = HCLGEVF_RSS_INPUT_TUPLE_OTHER; 884 break; 885 case IPV6_FLOW: 886 req->ipv6_fragment_en = HCLGEVF_RSS_INPUT_TUPLE_OTHER; 887 break; 888 default: 889 return -EINVAL; 890 } 891 892 ret = hclgevf_cmd_send(&hdev->hw, &desc, 1); 893 if (ret) { 894 dev_err(&hdev->pdev->dev, 895 "Set rss tuple fail, status = %d\n", ret); 896 return ret; 897 } 898 899 rss_cfg->rss_tuple_sets.ipv4_tcp_en = req->ipv4_tcp_en; 900 rss_cfg->rss_tuple_sets.ipv4_udp_en = req->ipv4_udp_en; 901 rss_cfg->rss_tuple_sets.ipv4_sctp_en = req->ipv4_sctp_en; 902 rss_cfg->rss_tuple_sets.ipv4_fragment_en = req->ipv4_fragment_en; 903 rss_cfg->rss_tuple_sets.ipv6_tcp_en = req->ipv6_tcp_en; 904 rss_cfg->rss_tuple_sets.ipv6_udp_en = req->ipv6_udp_en; 905 rss_cfg->rss_tuple_sets.ipv6_sctp_en = req->ipv6_sctp_en; 906 rss_cfg->rss_tuple_sets.ipv6_fragment_en = req->ipv6_fragment_en; 907 return 0; 908 } 909 910 static int hclgevf_get_rss_tuple(struct hnae3_handle *handle, 911 struct ethtool_rxnfc *nfc) 912 { 913 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 914 struct hclgevf_rss_cfg *rss_cfg = &hdev->rss_cfg; 915 u8 tuple_sets; 916 917 if (handle->pdev->revision == 0x20) 918 return -EOPNOTSUPP; 919 920 nfc->data = 0; 921 922 switch (nfc->flow_type) { 923 case TCP_V4_FLOW: 924 tuple_sets = rss_cfg->rss_tuple_sets.ipv4_tcp_en; 925 break; 926 case UDP_V4_FLOW: 927 tuple_sets = rss_cfg->rss_tuple_sets.ipv4_udp_en; 928 break; 929 case TCP_V6_FLOW: 930 tuple_sets = rss_cfg->rss_tuple_sets.ipv6_tcp_en; 931 break; 932 case UDP_V6_FLOW: 933 tuple_sets = rss_cfg->rss_tuple_sets.ipv6_udp_en; 934 break; 935 case SCTP_V4_FLOW: 936 tuple_sets = rss_cfg->rss_tuple_sets.ipv4_sctp_en; 937 break; 938 case SCTP_V6_FLOW: 939 tuple_sets = rss_cfg->rss_tuple_sets.ipv6_sctp_en; 940 break; 941 case IPV4_FLOW: 942 case IPV6_FLOW: 943 tuple_sets = HCLGEVF_S_IP_BIT | HCLGEVF_D_IP_BIT; 944 break; 945 default: 946 return -EINVAL; 947 } 948 949 if (!tuple_sets) 950 return 0; 951 952 if (tuple_sets & HCLGEVF_D_PORT_BIT) 953 nfc->data |= RXH_L4_B_2_3; 954 if (tuple_sets & HCLGEVF_S_PORT_BIT) 955 nfc->data |= RXH_L4_B_0_1; 956 if (tuple_sets & HCLGEVF_D_IP_BIT) 957 nfc->data |= RXH_IP_DST; 958 if (tuple_sets & HCLGEVF_S_IP_BIT) 959 nfc->data |= RXH_IP_SRC; 960 961 return 0; 962 } 963 964 static int hclgevf_set_rss_input_tuple(struct hclgevf_dev *hdev, 965 struct hclgevf_rss_cfg *rss_cfg) 966 { 967 struct hclgevf_rss_input_tuple_cmd *req; 968 struct hclgevf_desc desc; 969 int ret; 970 971 hclgevf_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_RSS_INPUT_TUPLE, false); 972 973 req = (struct hclgevf_rss_input_tuple_cmd *)desc.data; 974 975 req->ipv4_tcp_en = rss_cfg->rss_tuple_sets.ipv4_tcp_en; 976 req->ipv4_udp_en = rss_cfg->rss_tuple_sets.ipv4_udp_en; 977 req->ipv4_sctp_en = rss_cfg->rss_tuple_sets.ipv4_sctp_en; 978 req->ipv4_fragment_en = rss_cfg->rss_tuple_sets.ipv4_fragment_en; 979 req->ipv6_tcp_en = rss_cfg->rss_tuple_sets.ipv6_tcp_en; 980 req->ipv6_udp_en = rss_cfg->rss_tuple_sets.ipv6_udp_en; 981 req->ipv6_sctp_en = rss_cfg->rss_tuple_sets.ipv6_sctp_en; 982 req->ipv6_fragment_en = rss_cfg->rss_tuple_sets.ipv6_fragment_en; 983 984 ret = hclgevf_cmd_send(&hdev->hw, &desc, 1); 985 if (ret) 986 dev_err(&hdev->pdev->dev, 987 "Configure rss input fail, status = %d\n", ret); 988 return ret; 989 } 990 991 static int hclgevf_get_tc_size(struct hnae3_handle *handle) 992 { 993 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 994 struct hclgevf_rss_cfg *rss_cfg = &hdev->rss_cfg; 995 996 return rss_cfg->rss_size; 997 } 998 999 static int hclgevf_bind_ring_to_vector(struct hnae3_handle *handle, bool en, 1000 int vector_id, 1001 struct hnae3_ring_chain_node *ring_chain) 1002 { 1003 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 1004 struct hnae3_ring_chain_node *node; 1005 struct hclge_mbx_vf_to_pf_cmd *req; 1006 struct hclgevf_desc desc; 1007 int i = 0; 1008 int status; 1009 u8 type; 1010 1011 req = (struct hclge_mbx_vf_to_pf_cmd *)desc.data; 1012 type = en ? HCLGE_MBX_MAP_RING_TO_VECTOR : 1013 HCLGE_MBX_UNMAP_RING_TO_VECTOR; 1014 1015 for (node = ring_chain; node; node = node->next) { 1016 int idx_offset = HCLGE_MBX_RING_MAP_BASIC_MSG_NUM + 1017 HCLGE_MBX_RING_NODE_VARIABLE_NUM * i; 1018 1019 if (i == 0) { 1020 hclgevf_cmd_setup_basic_desc(&desc, 1021 HCLGEVF_OPC_MBX_VF_TO_PF, 1022 false); 1023 req->msg[0] = type; 1024 req->msg[1] = vector_id; 1025 } 1026 1027 req->msg[idx_offset] = 1028 hnae3_get_bit(node->flag, HNAE3_RING_TYPE_B); 1029 req->msg[idx_offset + 1] = node->tqp_index; 1030 req->msg[idx_offset + 2] = hnae3_get_field(node->int_gl_idx, 1031 HNAE3_RING_GL_IDX_M, 1032 HNAE3_RING_GL_IDX_S); 1033 1034 i++; 1035 if ((i == (HCLGE_MBX_VF_MSG_DATA_NUM - 1036 HCLGE_MBX_RING_MAP_BASIC_MSG_NUM) / 1037 HCLGE_MBX_RING_NODE_VARIABLE_NUM) || 1038 !node->next) { 1039 req->msg[2] = i; 1040 1041 status = hclgevf_cmd_send(&hdev->hw, &desc, 1); 1042 if (status) { 1043 dev_err(&hdev->pdev->dev, 1044 "Map TQP fail, status is %d.\n", 1045 status); 1046 return status; 1047 } 1048 i = 0; 1049 hclgevf_cmd_setup_basic_desc(&desc, 1050 HCLGEVF_OPC_MBX_VF_TO_PF, 1051 false); 1052 req->msg[0] = type; 1053 req->msg[1] = vector_id; 1054 } 1055 } 1056 1057 return 0; 1058 } 1059 1060 static int hclgevf_map_ring_to_vector(struct hnae3_handle *handle, int vector, 1061 struct hnae3_ring_chain_node *ring_chain) 1062 { 1063 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 1064 int vector_id; 1065 1066 vector_id = hclgevf_get_vector_index(hdev, vector); 1067 if (vector_id < 0) { 1068 dev_err(&handle->pdev->dev, 1069 "Get vector index fail. ret =%d\n", vector_id); 1070 return vector_id; 1071 } 1072 1073 return hclgevf_bind_ring_to_vector(handle, true, vector_id, ring_chain); 1074 } 1075 1076 static int hclgevf_unmap_ring_from_vector( 1077 struct hnae3_handle *handle, 1078 int vector, 1079 struct hnae3_ring_chain_node *ring_chain) 1080 { 1081 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 1082 int ret, vector_id; 1083 1084 if (test_bit(HCLGEVF_STATE_RST_HANDLING, &hdev->state)) 1085 return 0; 1086 1087 vector_id = hclgevf_get_vector_index(hdev, vector); 1088 if (vector_id < 0) { 1089 dev_err(&handle->pdev->dev, 1090 "Get vector index fail. ret =%d\n", vector_id); 1091 return vector_id; 1092 } 1093 1094 ret = hclgevf_bind_ring_to_vector(handle, false, vector_id, ring_chain); 1095 if (ret) 1096 dev_err(&handle->pdev->dev, 1097 "Unmap ring from vector fail. vector=%d, ret =%d\n", 1098 vector_id, 1099 ret); 1100 1101 return ret; 1102 } 1103 1104 static int hclgevf_put_vector(struct hnae3_handle *handle, int vector) 1105 { 1106 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 1107 int vector_id; 1108 1109 vector_id = hclgevf_get_vector_index(hdev, vector); 1110 if (vector_id < 0) { 1111 dev_err(&handle->pdev->dev, 1112 "hclgevf_put_vector get vector index fail. ret =%d\n", 1113 vector_id); 1114 return vector_id; 1115 } 1116 1117 hclgevf_free_vector(hdev, vector_id); 1118 1119 return 0; 1120 } 1121 1122 static int hclgevf_cmd_set_promisc_mode(struct hclgevf_dev *hdev, 1123 bool en_uc_pmc, bool en_mc_pmc, 1124 bool en_bc_pmc) 1125 { 1126 struct hclge_mbx_vf_to_pf_cmd *req; 1127 struct hclgevf_desc desc; 1128 int ret; 1129 1130 req = (struct hclge_mbx_vf_to_pf_cmd *)desc.data; 1131 hclgevf_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_MBX_VF_TO_PF, false); 1132 req->msg[0] = HCLGE_MBX_SET_PROMISC_MODE; 1133 req->msg[1] = en_bc_pmc ? 1 : 0; 1134 req->msg[2] = en_uc_pmc ? 1 : 0; 1135 req->msg[3] = en_mc_pmc ? 1 : 0; 1136 1137 ret = hclgevf_cmd_send(&hdev->hw, &desc, 1); 1138 if (ret) 1139 dev_err(&hdev->pdev->dev, 1140 "Set promisc mode fail, status is %d.\n", ret); 1141 1142 return ret; 1143 } 1144 1145 static int hclgevf_set_promisc_mode(struct hnae3_handle *handle, bool en_uc_pmc, 1146 bool en_mc_pmc) 1147 { 1148 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 1149 struct pci_dev *pdev = hdev->pdev; 1150 bool en_bc_pmc; 1151 1152 en_bc_pmc = pdev->revision != 0x20; 1153 1154 return hclgevf_cmd_set_promisc_mode(hdev, en_uc_pmc, en_mc_pmc, 1155 en_bc_pmc); 1156 } 1157 1158 static int hclgevf_tqp_enable(struct hclgevf_dev *hdev, unsigned int tqp_id, 1159 int stream_id, bool enable) 1160 { 1161 struct hclgevf_cfg_com_tqp_queue_cmd *req; 1162 struct hclgevf_desc desc; 1163 int status; 1164 1165 req = (struct hclgevf_cfg_com_tqp_queue_cmd *)desc.data; 1166 1167 hclgevf_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_CFG_COM_TQP_QUEUE, 1168 false); 1169 req->tqp_id = cpu_to_le16(tqp_id & HCLGEVF_RING_ID_MASK); 1170 req->stream_id = cpu_to_le16(stream_id); 1171 if (enable) 1172 req->enable |= 1U << HCLGEVF_TQP_ENABLE_B; 1173 1174 status = hclgevf_cmd_send(&hdev->hw, &desc, 1); 1175 if (status) 1176 dev_err(&hdev->pdev->dev, 1177 "TQP enable fail, status =%d.\n", status); 1178 1179 return status; 1180 } 1181 1182 static void hclgevf_reset_tqp_stats(struct hnae3_handle *handle) 1183 { 1184 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 1185 struct hclgevf_tqp *tqp; 1186 int i; 1187 1188 for (i = 0; i < kinfo->num_tqps; i++) { 1189 tqp = container_of(kinfo->tqp[i], struct hclgevf_tqp, q); 1190 memset(&tqp->tqp_stats, 0, sizeof(tqp->tqp_stats)); 1191 } 1192 } 1193 1194 static int hclgevf_get_host_mac_addr(struct hclgevf_dev *hdev, u8 *p) 1195 { 1196 u8 host_mac[ETH_ALEN]; 1197 int status; 1198 1199 status = hclgevf_send_mbx_msg(hdev, HCLGE_MBX_GET_MAC_ADDR, 0, NULL, 0, 1200 true, host_mac, ETH_ALEN); 1201 if (status) { 1202 dev_err(&hdev->pdev->dev, 1203 "fail to get VF MAC from host %d", status); 1204 return status; 1205 } 1206 1207 ether_addr_copy(p, host_mac); 1208 1209 return 0; 1210 } 1211 1212 static void hclgevf_get_mac_addr(struct hnae3_handle *handle, u8 *p) 1213 { 1214 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 1215 u8 host_mac_addr[ETH_ALEN]; 1216 1217 if (hclgevf_get_host_mac_addr(hdev, host_mac_addr)) 1218 return; 1219 1220 hdev->has_pf_mac = !is_zero_ether_addr(host_mac_addr); 1221 if (hdev->has_pf_mac) 1222 ether_addr_copy(p, host_mac_addr); 1223 else 1224 ether_addr_copy(p, hdev->hw.mac.mac_addr); 1225 } 1226 1227 static int hclgevf_set_mac_addr(struct hnae3_handle *handle, void *p, 1228 bool is_first) 1229 { 1230 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 1231 u8 *old_mac_addr = (u8 *)hdev->hw.mac.mac_addr; 1232 u8 *new_mac_addr = (u8 *)p; 1233 u8 msg_data[ETH_ALEN * 2]; 1234 u16 subcode; 1235 int status; 1236 1237 ether_addr_copy(msg_data, new_mac_addr); 1238 ether_addr_copy(&msg_data[ETH_ALEN], old_mac_addr); 1239 1240 subcode = is_first ? HCLGE_MBX_MAC_VLAN_UC_ADD : 1241 HCLGE_MBX_MAC_VLAN_UC_MODIFY; 1242 1243 status = hclgevf_send_mbx_msg(hdev, HCLGE_MBX_SET_UNICAST, 1244 subcode, msg_data, sizeof(msg_data), 1245 true, NULL, 0); 1246 if (!status) 1247 ether_addr_copy(hdev->hw.mac.mac_addr, new_mac_addr); 1248 1249 return status; 1250 } 1251 1252 static int hclgevf_add_uc_addr(struct hnae3_handle *handle, 1253 const unsigned char *addr) 1254 { 1255 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 1256 1257 return hclgevf_send_mbx_msg(hdev, HCLGE_MBX_SET_UNICAST, 1258 HCLGE_MBX_MAC_VLAN_UC_ADD, 1259 addr, ETH_ALEN, false, NULL, 0); 1260 } 1261 1262 static int hclgevf_rm_uc_addr(struct hnae3_handle *handle, 1263 const unsigned char *addr) 1264 { 1265 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 1266 1267 return hclgevf_send_mbx_msg(hdev, HCLGE_MBX_SET_UNICAST, 1268 HCLGE_MBX_MAC_VLAN_UC_REMOVE, 1269 addr, ETH_ALEN, false, NULL, 0); 1270 } 1271 1272 static int hclgevf_add_mc_addr(struct hnae3_handle *handle, 1273 const unsigned char *addr) 1274 { 1275 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 1276 1277 return hclgevf_send_mbx_msg(hdev, HCLGE_MBX_SET_MULTICAST, 1278 HCLGE_MBX_MAC_VLAN_MC_ADD, 1279 addr, ETH_ALEN, false, NULL, 0); 1280 } 1281 1282 static int hclgevf_rm_mc_addr(struct hnae3_handle *handle, 1283 const unsigned char *addr) 1284 { 1285 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 1286 1287 return hclgevf_send_mbx_msg(hdev, HCLGE_MBX_SET_MULTICAST, 1288 HCLGE_MBX_MAC_VLAN_MC_REMOVE, 1289 addr, ETH_ALEN, false, NULL, 0); 1290 } 1291 1292 static int hclgevf_set_vlan_filter(struct hnae3_handle *handle, 1293 __be16 proto, u16 vlan_id, 1294 bool is_kill) 1295 { 1296 #define HCLGEVF_VLAN_MBX_MSG_LEN 5 1297 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 1298 u8 msg_data[HCLGEVF_VLAN_MBX_MSG_LEN]; 1299 int ret; 1300 1301 if (vlan_id > HCLGEVF_MAX_VLAN_ID) 1302 return -EINVAL; 1303 1304 if (proto != htons(ETH_P_8021Q)) 1305 return -EPROTONOSUPPORT; 1306 1307 /* When device is resetting, firmware is unable to handle 1308 * mailbox. Just record the vlan id, and remove it after 1309 * reset finished. 1310 */ 1311 if (test_bit(HCLGEVF_STATE_RST_HANDLING, &hdev->state) && is_kill) { 1312 set_bit(vlan_id, hdev->vlan_del_fail_bmap); 1313 return -EBUSY; 1314 } 1315 1316 msg_data[0] = is_kill; 1317 memcpy(&msg_data[1], &vlan_id, sizeof(vlan_id)); 1318 memcpy(&msg_data[3], &proto, sizeof(proto)); 1319 ret = hclgevf_send_mbx_msg(hdev, HCLGE_MBX_SET_VLAN, 1320 HCLGE_MBX_VLAN_FILTER, msg_data, 1321 HCLGEVF_VLAN_MBX_MSG_LEN, true, NULL, 0); 1322 1323 /* when remove hw vlan filter failed, record the vlan id, 1324 * and try to remove it from hw later, to be consistence 1325 * with stack. 1326 */ 1327 if (is_kill && ret) 1328 set_bit(vlan_id, hdev->vlan_del_fail_bmap); 1329 1330 return ret; 1331 } 1332 1333 static void hclgevf_sync_vlan_filter(struct hclgevf_dev *hdev) 1334 { 1335 #define HCLGEVF_MAX_SYNC_COUNT 60 1336 struct hnae3_handle *handle = &hdev->nic; 1337 int ret, sync_cnt = 0; 1338 u16 vlan_id; 1339 1340 vlan_id = find_first_bit(hdev->vlan_del_fail_bmap, VLAN_N_VID); 1341 while (vlan_id != VLAN_N_VID) { 1342 ret = hclgevf_set_vlan_filter(handle, htons(ETH_P_8021Q), 1343 vlan_id, true); 1344 if (ret) 1345 return; 1346 1347 clear_bit(vlan_id, hdev->vlan_del_fail_bmap); 1348 sync_cnt++; 1349 if (sync_cnt >= HCLGEVF_MAX_SYNC_COUNT) 1350 return; 1351 1352 vlan_id = find_first_bit(hdev->vlan_del_fail_bmap, VLAN_N_VID); 1353 } 1354 } 1355 1356 static int hclgevf_en_hw_strip_rxvtag(struct hnae3_handle *handle, bool enable) 1357 { 1358 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 1359 u8 msg_data; 1360 1361 msg_data = enable ? 1 : 0; 1362 return hclgevf_send_mbx_msg(hdev, HCLGE_MBX_SET_VLAN, 1363 HCLGE_MBX_VLAN_RX_OFF_CFG, &msg_data, 1364 1, false, NULL, 0); 1365 } 1366 1367 static int hclgevf_reset_tqp(struct hnae3_handle *handle, u16 queue_id) 1368 { 1369 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 1370 u8 msg_data[2]; 1371 int ret; 1372 1373 memcpy(msg_data, &queue_id, sizeof(queue_id)); 1374 1375 /* disable vf queue before send queue reset msg to PF */ 1376 ret = hclgevf_tqp_enable(hdev, queue_id, 0, false); 1377 if (ret) 1378 return ret; 1379 1380 return hclgevf_send_mbx_msg(hdev, HCLGE_MBX_QUEUE_RESET, 0, msg_data, 1381 sizeof(msg_data), true, NULL, 0); 1382 } 1383 1384 static int hclgevf_set_mtu(struct hnae3_handle *handle, int new_mtu) 1385 { 1386 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 1387 1388 return hclgevf_send_mbx_msg(hdev, HCLGE_MBX_SET_MTU, 0, (u8 *)&new_mtu, 1389 sizeof(new_mtu), true, NULL, 0); 1390 } 1391 1392 static int hclgevf_notify_client(struct hclgevf_dev *hdev, 1393 enum hnae3_reset_notify_type type) 1394 { 1395 struct hnae3_client *client = hdev->nic_client; 1396 struct hnae3_handle *handle = &hdev->nic; 1397 int ret; 1398 1399 if (!test_bit(HCLGEVF_STATE_NIC_REGISTERED, &hdev->state) || 1400 !client) 1401 return 0; 1402 1403 if (!client->ops->reset_notify) 1404 return -EOPNOTSUPP; 1405 1406 ret = client->ops->reset_notify(handle, type); 1407 if (ret) 1408 dev_err(&hdev->pdev->dev, "notify nic client failed %d(%d)\n", 1409 type, ret); 1410 1411 return ret; 1412 } 1413 1414 static void hclgevf_flr_done(struct hnae3_ae_dev *ae_dev) 1415 { 1416 struct hclgevf_dev *hdev = ae_dev->priv; 1417 1418 set_bit(HNAE3_FLR_DONE, &hdev->flr_state); 1419 } 1420 1421 static int hclgevf_flr_poll_timeout(struct hclgevf_dev *hdev, 1422 unsigned long delay_us, 1423 unsigned long wait_cnt) 1424 { 1425 unsigned long cnt = 0; 1426 1427 while (!test_bit(HNAE3_FLR_DONE, &hdev->flr_state) && 1428 cnt++ < wait_cnt) 1429 usleep_range(delay_us, delay_us * 2); 1430 1431 if (!test_bit(HNAE3_FLR_DONE, &hdev->flr_state)) { 1432 dev_err(&hdev->pdev->dev, 1433 "flr wait timeout\n"); 1434 return -ETIMEDOUT; 1435 } 1436 1437 return 0; 1438 } 1439 1440 static int hclgevf_reset_wait(struct hclgevf_dev *hdev) 1441 { 1442 #define HCLGEVF_RESET_WAIT_US 20000 1443 #define HCLGEVF_RESET_WAIT_CNT 2000 1444 #define HCLGEVF_RESET_WAIT_TIMEOUT_US \ 1445 (HCLGEVF_RESET_WAIT_US * HCLGEVF_RESET_WAIT_CNT) 1446 1447 u32 val; 1448 int ret; 1449 1450 if (hdev->reset_type == HNAE3_FLR_RESET) 1451 return hclgevf_flr_poll_timeout(hdev, 1452 HCLGEVF_RESET_WAIT_US, 1453 HCLGEVF_RESET_WAIT_CNT); 1454 else if (hdev->reset_type == HNAE3_VF_RESET) 1455 ret = readl_poll_timeout(hdev->hw.io_base + 1456 HCLGEVF_VF_RST_ING, val, 1457 !(val & HCLGEVF_VF_RST_ING_BIT), 1458 HCLGEVF_RESET_WAIT_US, 1459 HCLGEVF_RESET_WAIT_TIMEOUT_US); 1460 else 1461 ret = readl_poll_timeout(hdev->hw.io_base + 1462 HCLGEVF_RST_ING, val, 1463 !(val & HCLGEVF_RST_ING_BITS), 1464 HCLGEVF_RESET_WAIT_US, 1465 HCLGEVF_RESET_WAIT_TIMEOUT_US); 1466 1467 /* hardware completion status should be available by this time */ 1468 if (ret) { 1469 dev_err(&hdev->pdev->dev, 1470 "could'nt get reset done status from h/w, timeout!\n"); 1471 return ret; 1472 } 1473 1474 /* we will wait a bit more to let reset of the stack to complete. This 1475 * might happen in case reset assertion was made by PF. Yes, this also 1476 * means we might end up waiting bit more even for VF reset. 1477 */ 1478 msleep(5000); 1479 1480 return 0; 1481 } 1482 1483 static void hclgevf_reset_handshake(struct hclgevf_dev *hdev, bool enable) 1484 { 1485 u32 reg_val; 1486 1487 reg_val = hclgevf_read_dev(&hdev->hw, HCLGEVF_NIC_CSQ_DEPTH_REG); 1488 if (enable) 1489 reg_val |= HCLGEVF_NIC_SW_RST_RDY; 1490 else 1491 reg_val &= ~HCLGEVF_NIC_SW_RST_RDY; 1492 1493 hclgevf_write_dev(&hdev->hw, HCLGEVF_NIC_CSQ_DEPTH_REG, 1494 reg_val); 1495 } 1496 1497 static int hclgevf_reset_stack(struct hclgevf_dev *hdev) 1498 { 1499 int ret; 1500 1501 /* uninitialize the nic client */ 1502 ret = hclgevf_notify_client(hdev, HNAE3_UNINIT_CLIENT); 1503 if (ret) 1504 return ret; 1505 1506 /* re-initialize the hclge device */ 1507 ret = hclgevf_reset_hdev(hdev); 1508 if (ret) { 1509 dev_err(&hdev->pdev->dev, 1510 "hclge device re-init failed, VF is disabled!\n"); 1511 return ret; 1512 } 1513 1514 /* bring up the nic client again */ 1515 ret = hclgevf_notify_client(hdev, HNAE3_INIT_CLIENT); 1516 if (ret) 1517 return ret; 1518 1519 ret = hclgevf_notify_client(hdev, HNAE3_RESTORE_CLIENT); 1520 if (ret) 1521 return ret; 1522 1523 /* clear handshake status with IMP */ 1524 hclgevf_reset_handshake(hdev, false); 1525 1526 return 0; 1527 } 1528 1529 static int hclgevf_reset_prepare_wait(struct hclgevf_dev *hdev) 1530 { 1531 #define HCLGEVF_RESET_SYNC_TIME 100 1532 1533 int ret = 0; 1534 1535 switch (hdev->reset_type) { 1536 case HNAE3_VF_FUNC_RESET: 1537 ret = hclgevf_send_mbx_msg(hdev, HCLGE_MBX_RESET, 0, NULL, 1538 0, true, NULL, sizeof(u8)); 1539 hdev->rst_stats.vf_func_rst_cnt++; 1540 break; 1541 case HNAE3_FLR_RESET: 1542 set_bit(HNAE3_FLR_DOWN, &hdev->flr_state); 1543 hdev->rst_stats.flr_rst_cnt++; 1544 break; 1545 default: 1546 break; 1547 } 1548 1549 set_bit(HCLGEVF_STATE_CMD_DISABLE, &hdev->state); 1550 /* inform hardware that preparatory work is done */ 1551 msleep(HCLGEVF_RESET_SYNC_TIME); 1552 hclgevf_reset_handshake(hdev, true); 1553 dev_info(&hdev->pdev->dev, "prepare reset(%d) wait done, ret:%d\n", 1554 hdev->reset_type, ret); 1555 1556 return ret; 1557 } 1558 1559 static void hclgevf_dump_rst_info(struct hclgevf_dev *hdev) 1560 { 1561 dev_info(&hdev->pdev->dev, "VF function reset count: %u\n", 1562 hdev->rst_stats.vf_func_rst_cnt); 1563 dev_info(&hdev->pdev->dev, "FLR reset count: %u\n", 1564 hdev->rst_stats.flr_rst_cnt); 1565 dev_info(&hdev->pdev->dev, "VF reset count: %u\n", 1566 hdev->rst_stats.vf_rst_cnt); 1567 dev_info(&hdev->pdev->dev, "reset done count: %u\n", 1568 hdev->rst_stats.rst_done_cnt); 1569 dev_info(&hdev->pdev->dev, "HW reset done count: %u\n", 1570 hdev->rst_stats.hw_rst_done_cnt); 1571 dev_info(&hdev->pdev->dev, "reset count: %u\n", 1572 hdev->rst_stats.rst_cnt); 1573 dev_info(&hdev->pdev->dev, "reset fail count: %u\n", 1574 hdev->rst_stats.rst_fail_cnt); 1575 dev_info(&hdev->pdev->dev, "vector0 interrupt enable status: 0x%x\n", 1576 hclgevf_read_dev(&hdev->hw, HCLGEVF_MISC_VECTOR_REG_BASE)); 1577 dev_info(&hdev->pdev->dev, "vector0 interrupt status: 0x%x\n", 1578 hclgevf_read_dev(&hdev->hw, HCLGEVF_VECTOR0_CMDQ_STAT_REG)); 1579 dev_info(&hdev->pdev->dev, "handshake status: 0x%x\n", 1580 hclgevf_read_dev(&hdev->hw, HCLGEVF_CMDQ_TX_DEPTH_REG)); 1581 dev_info(&hdev->pdev->dev, "function reset status: 0x%x\n", 1582 hclgevf_read_dev(&hdev->hw, HCLGEVF_RST_ING)); 1583 dev_info(&hdev->pdev->dev, "hdev state: 0x%lx\n", hdev->state); 1584 } 1585 1586 static void hclgevf_reset_err_handle(struct hclgevf_dev *hdev) 1587 { 1588 /* recover handshake status with IMP when reset fail */ 1589 hclgevf_reset_handshake(hdev, true); 1590 hdev->rst_stats.rst_fail_cnt++; 1591 dev_err(&hdev->pdev->dev, "failed to reset VF(%u)\n", 1592 hdev->rst_stats.rst_fail_cnt); 1593 1594 if (hdev->rst_stats.rst_fail_cnt < HCLGEVF_RESET_MAX_FAIL_CNT) 1595 set_bit(hdev->reset_type, &hdev->reset_pending); 1596 1597 if (hclgevf_is_reset_pending(hdev)) { 1598 set_bit(HCLGEVF_RESET_PENDING, &hdev->reset_state); 1599 hclgevf_reset_task_schedule(hdev); 1600 } else { 1601 hclgevf_dump_rst_info(hdev); 1602 } 1603 } 1604 1605 static int hclgevf_reset(struct hclgevf_dev *hdev) 1606 { 1607 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(hdev->pdev); 1608 int ret; 1609 1610 /* Initialize ae_dev reset status as well, in case enet layer wants to 1611 * know if device is undergoing reset 1612 */ 1613 ae_dev->reset_type = hdev->reset_type; 1614 hdev->rst_stats.rst_cnt++; 1615 rtnl_lock(); 1616 1617 /* bring down the nic to stop any ongoing TX/RX */ 1618 ret = hclgevf_notify_client(hdev, HNAE3_DOWN_CLIENT); 1619 if (ret) 1620 goto err_reset_lock; 1621 1622 rtnl_unlock(); 1623 1624 ret = hclgevf_reset_prepare_wait(hdev); 1625 if (ret) 1626 goto err_reset; 1627 1628 /* check if VF could successfully fetch the hardware reset completion 1629 * status from the hardware 1630 */ 1631 ret = hclgevf_reset_wait(hdev); 1632 if (ret) { 1633 /* can't do much in this situation, will disable VF */ 1634 dev_err(&hdev->pdev->dev, 1635 "VF failed(=%d) to fetch H/W reset completion status\n", 1636 ret); 1637 goto err_reset; 1638 } 1639 1640 hdev->rst_stats.hw_rst_done_cnt++; 1641 1642 rtnl_lock(); 1643 1644 /* now, re-initialize the nic client and ae device */ 1645 ret = hclgevf_reset_stack(hdev); 1646 if (ret) { 1647 dev_err(&hdev->pdev->dev, "failed to reset VF stack\n"); 1648 goto err_reset_lock; 1649 } 1650 1651 /* bring up the nic to enable TX/RX again */ 1652 ret = hclgevf_notify_client(hdev, HNAE3_UP_CLIENT); 1653 if (ret) 1654 goto err_reset_lock; 1655 1656 rtnl_unlock(); 1657 1658 hdev->last_reset_time = jiffies; 1659 ae_dev->reset_type = HNAE3_NONE_RESET; 1660 hdev->rst_stats.rst_done_cnt++; 1661 hdev->rst_stats.rst_fail_cnt = 0; 1662 1663 return ret; 1664 err_reset_lock: 1665 rtnl_unlock(); 1666 err_reset: 1667 hclgevf_reset_err_handle(hdev); 1668 1669 return ret; 1670 } 1671 1672 static enum hnae3_reset_type hclgevf_get_reset_level(struct hclgevf_dev *hdev, 1673 unsigned long *addr) 1674 { 1675 enum hnae3_reset_type rst_level = HNAE3_NONE_RESET; 1676 1677 /* return the highest priority reset level amongst all */ 1678 if (test_bit(HNAE3_VF_RESET, addr)) { 1679 rst_level = HNAE3_VF_RESET; 1680 clear_bit(HNAE3_VF_RESET, addr); 1681 clear_bit(HNAE3_VF_PF_FUNC_RESET, addr); 1682 clear_bit(HNAE3_VF_FUNC_RESET, addr); 1683 } else if (test_bit(HNAE3_VF_FULL_RESET, addr)) { 1684 rst_level = HNAE3_VF_FULL_RESET; 1685 clear_bit(HNAE3_VF_FULL_RESET, addr); 1686 clear_bit(HNAE3_VF_FUNC_RESET, addr); 1687 } else if (test_bit(HNAE3_VF_PF_FUNC_RESET, addr)) { 1688 rst_level = HNAE3_VF_PF_FUNC_RESET; 1689 clear_bit(HNAE3_VF_PF_FUNC_RESET, addr); 1690 clear_bit(HNAE3_VF_FUNC_RESET, addr); 1691 } else if (test_bit(HNAE3_VF_FUNC_RESET, addr)) { 1692 rst_level = HNAE3_VF_FUNC_RESET; 1693 clear_bit(HNAE3_VF_FUNC_RESET, addr); 1694 } else if (test_bit(HNAE3_FLR_RESET, addr)) { 1695 rst_level = HNAE3_FLR_RESET; 1696 clear_bit(HNAE3_FLR_RESET, addr); 1697 } 1698 1699 return rst_level; 1700 } 1701 1702 static void hclgevf_reset_event(struct pci_dev *pdev, 1703 struct hnae3_handle *handle) 1704 { 1705 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(pdev); 1706 struct hclgevf_dev *hdev = ae_dev->priv; 1707 1708 dev_info(&hdev->pdev->dev, "received reset request from VF enet\n"); 1709 1710 if (hdev->default_reset_request) 1711 hdev->reset_level = 1712 hclgevf_get_reset_level(hdev, 1713 &hdev->default_reset_request); 1714 else 1715 hdev->reset_level = HNAE3_VF_FUNC_RESET; 1716 1717 /* reset of this VF requested */ 1718 set_bit(HCLGEVF_RESET_REQUESTED, &hdev->reset_state); 1719 hclgevf_reset_task_schedule(hdev); 1720 1721 hdev->last_reset_time = jiffies; 1722 } 1723 1724 static void hclgevf_set_def_reset_request(struct hnae3_ae_dev *ae_dev, 1725 enum hnae3_reset_type rst_type) 1726 { 1727 struct hclgevf_dev *hdev = ae_dev->priv; 1728 1729 set_bit(rst_type, &hdev->default_reset_request); 1730 } 1731 1732 static void hclgevf_flr_prepare(struct hnae3_ae_dev *ae_dev) 1733 { 1734 #define HCLGEVF_FLR_WAIT_MS 100 1735 #define HCLGEVF_FLR_WAIT_CNT 50 1736 struct hclgevf_dev *hdev = ae_dev->priv; 1737 int cnt = 0; 1738 1739 clear_bit(HNAE3_FLR_DOWN, &hdev->flr_state); 1740 clear_bit(HNAE3_FLR_DONE, &hdev->flr_state); 1741 set_bit(HNAE3_FLR_RESET, &hdev->default_reset_request); 1742 hclgevf_reset_event(hdev->pdev, NULL); 1743 1744 while (!test_bit(HNAE3_FLR_DOWN, &hdev->flr_state) && 1745 cnt++ < HCLGEVF_FLR_WAIT_CNT) 1746 msleep(HCLGEVF_FLR_WAIT_MS); 1747 1748 if (!test_bit(HNAE3_FLR_DOWN, &hdev->flr_state)) 1749 dev_err(&hdev->pdev->dev, 1750 "flr wait down timeout: %d\n", cnt); 1751 } 1752 1753 static u32 hclgevf_get_fw_version(struct hnae3_handle *handle) 1754 { 1755 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 1756 1757 return hdev->fw_version; 1758 } 1759 1760 static void hclgevf_get_misc_vector(struct hclgevf_dev *hdev) 1761 { 1762 struct hclgevf_misc_vector *vector = &hdev->misc_vector; 1763 1764 vector->vector_irq = pci_irq_vector(hdev->pdev, 1765 HCLGEVF_MISC_VECTOR_NUM); 1766 vector->addr = hdev->hw.io_base + HCLGEVF_MISC_VECTOR_REG_BASE; 1767 /* vector status always valid for Vector 0 */ 1768 hdev->vector_status[HCLGEVF_MISC_VECTOR_NUM] = 0; 1769 hdev->vector_irq[HCLGEVF_MISC_VECTOR_NUM] = vector->vector_irq; 1770 1771 hdev->num_msi_left -= 1; 1772 hdev->num_msi_used += 1; 1773 } 1774 1775 void hclgevf_reset_task_schedule(struct hclgevf_dev *hdev) 1776 { 1777 if (!test_bit(HCLGEVF_STATE_REMOVING, &hdev->state) && 1778 !test_and_set_bit(HCLGEVF_STATE_RST_SERVICE_SCHED, 1779 &hdev->state)) 1780 mod_delayed_work(hclgevf_wq, &hdev->service_task, 0); 1781 } 1782 1783 void hclgevf_mbx_task_schedule(struct hclgevf_dev *hdev) 1784 { 1785 if (!test_bit(HCLGEVF_STATE_REMOVING, &hdev->state) && 1786 !test_and_set_bit(HCLGEVF_STATE_MBX_SERVICE_SCHED, 1787 &hdev->state)) 1788 mod_delayed_work(hclgevf_wq, &hdev->service_task, 0); 1789 } 1790 1791 static void hclgevf_task_schedule(struct hclgevf_dev *hdev, 1792 unsigned long delay) 1793 { 1794 if (!test_bit(HCLGEVF_STATE_REMOVING, &hdev->state)) 1795 mod_delayed_work(hclgevf_wq, &hdev->service_task, delay); 1796 } 1797 1798 static void hclgevf_reset_service_task(struct hclgevf_dev *hdev) 1799 { 1800 #define HCLGEVF_MAX_RESET_ATTEMPTS_CNT 3 1801 1802 int ret; 1803 1804 if (!test_and_clear_bit(HCLGEVF_STATE_RST_SERVICE_SCHED, &hdev->state)) 1805 return; 1806 1807 if (test_and_set_bit(HCLGEVF_STATE_RST_HANDLING, &hdev->state)) 1808 return; 1809 1810 if (test_and_clear_bit(HCLGEVF_RESET_PENDING, 1811 &hdev->reset_state)) { 1812 /* PF has initmated that it is about to reset the hardware. 1813 * We now have to poll & check if hardware has actually 1814 * completed the reset sequence. On hardware reset completion, 1815 * VF needs to reset the client and ae device. 1816 */ 1817 hdev->reset_attempts = 0; 1818 1819 hdev->last_reset_time = jiffies; 1820 while ((hdev->reset_type = 1821 hclgevf_get_reset_level(hdev, &hdev->reset_pending)) 1822 != HNAE3_NONE_RESET) { 1823 ret = hclgevf_reset(hdev); 1824 if (ret) 1825 dev_err(&hdev->pdev->dev, 1826 "VF stack reset failed %d.\n", ret); 1827 } 1828 } else if (test_and_clear_bit(HCLGEVF_RESET_REQUESTED, 1829 &hdev->reset_state)) { 1830 /* we could be here when either of below happens: 1831 * 1. reset was initiated due to watchdog timeout caused by 1832 * a. IMP was earlier reset and our TX got choked down and 1833 * which resulted in watchdog reacting and inducing VF 1834 * reset. This also means our cmdq would be unreliable. 1835 * b. problem in TX due to other lower layer(example link 1836 * layer not functioning properly etc.) 1837 * 2. VF reset might have been initiated due to some config 1838 * change. 1839 * 1840 * NOTE: Theres no clear way to detect above cases than to react 1841 * to the response of PF for this reset request. PF will ack the 1842 * 1b and 2. cases but we will not get any intimation about 1a 1843 * from PF as cmdq would be in unreliable state i.e. mailbox 1844 * communication between PF and VF would be broken. 1845 * 1846 * if we are never geting into pending state it means either: 1847 * 1. PF is not receiving our request which could be due to IMP 1848 * reset 1849 * 2. PF is screwed 1850 * We cannot do much for 2. but to check first we can try reset 1851 * our PCIe + stack and see if it alleviates the problem. 1852 */ 1853 if (hdev->reset_attempts > HCLGEVF_MAX_RESET_ATTEMPTS_CNT) { 1854 /* prepare for full reset of stack + pcie interface */ 1855 set_bit(HNAE3_VF_FULL_RESET, &hdev->reset_pending); 1856 1857 /* "defer" schedule the reset task again */ 1858 set_bit(HCLGEVF_RESET_PENDING, &hdev->reset_state); 1859 } else { 1860 hdev->reset_attempts++; 1861 1862 set_bit(hdev->reset_level, &hdev->reset_pending); 1863 set_bit(HCLGEVF_RESET_PENDING, &hdev->reset_state); 1864 } 1865 hclgevf_reset_task_schedule(hdev); 1866 } 1867 1868 clear_bit(HCLGEVF_STATE_RST_HANDLING, &hdev->state); 1869 } 1870 1871 static void hclgevf_mailbox_service_task(struct hclgevf_dev *hdev) 1872 { 1873 if (!test_and_clear_bit(HCLGEVF_STATE_MBX_SERVICE_SCHED, &hdev->state)) 1874 return; 1875 1876 if (test_and_set_bit(HCLGEVF_STATE_MBX_HANDLING, &hdev->state)) 1877 return; 1878 1879 hclgevf_mbx_async_handler(hdev); 1880 1881 clear_bit(HCLGEVF_STATE_MBX_HANDLING, &hdev->state); 1882 } 1883 1884 static void hclgevf_keep_alive(struct hclgevf_dev *hdev) 1885 { 1886 u8 respmsg; 1887 int ret; 1888 1889 if (test_bit(HCLGEVF_STATE_CMD_DISABLE, &hdev->state)) 1890 return; 1891 1892 ret = hclgevf_send_mbx_msg(hdev, HCLGE_MBX_KEEP_ALIVE, 0, NULL, 1893 0, false, &respmsg, sizeof(respmsg)); 1894 if (ret) 1895 dev_err(&hdev->pdev->dev, 1896 "VF sends keep alive cmd failed(=%d)\n", ret); 1897 } 1898 1899 static void hclgevf_periodic_service_task(struct hclgevf_dev *hdev) 1900 { 1901 unsigned long delta = round_jiffies_relative(HZ); 1902 struct hnae3_handle *handle = &hdev->nic; 1903 1904 if (time_is_after_jiffies(hdev->last_serv_processed + HZ)) { 1905 delta = jiffies - hdev->last_serv_processed; 1906 1907 if (delta < round_jiffies_relative(HZ)) { 1908 delta = round_jiffies_relative(HZ) - delta; 1909 goto out; 1910 } 1911 } 1912 1913 hdev->serv_processed_cnt++; 1914 if (!(hdev->serv_processed_cnt % HCLGEVF_KEEP_ALIVE_TASK_INTERVAL)) 1915 hclgevf_keep_alive(hdev); 1916 1917 if (test_bit(HCLGEVF_STATE_DOWN, &hdev->state)) { 1918 hdev->last_serv_processed = jiffies; 1919 goto out; 1920 } 1921 1922 if (!(hdev->serv_processed_cnt % HCLGEVF_STATS_TIMER_INTERVAL)) 1923 hclgevf_tqps_update_stats(handle); 1924 1925 /* request the link status from the PF. PF would be able to tell VF 1926 * about such updates in future so we might remove this later 1927 */ 1928 hclgevf_request_link_info(hdev); 1929 1930 hclgevf_update_link_mode(hdev); 1931 1932 hclgevf_sync_vlan_filter(hdev); 1933 1934 hdev->last_serv_processed = jiffies; 1935 1936 out: 1937 hclgevf_task_schedule(hdev, delta); 1938 } 1939 1940 static void hclgevf_service_task(struct work_struct *work) 1941 { 1942 struct hclgevf_dev *hdev = container_of(work, struct hclgevf_dev, 1943 service_task.work); 1944 1945 hclgevf_reset_service_task(hdev); 1946 hclgevf_mailbox_service_task(hdev); 1947 hclgevf_periodic_service_task(hdev); 1948 1949 /* Handle reset and mbx again in case periodical task delays the 1950 * handling by calling hclgevf_task_schedule() in 1951 * hclgevf_periodic_service_task() 1952 */ 1953 hclgevf_reset_service_task(hdev); 1954 hclgevf_mailbox_service_task(hdev); 1955 } 1956 1957 static void hclgevf_clear_event_cause(struct hclgevf_dev *hdev, u32 regclr) 1958 { 1959 hclgevf_write_dev(&hdev->hw, HCLGEVF_VECTOR0_CMDQ_SRC_REG, regclr); 1960 } 1961 1962 static enum hclgevf_evt_cause hclgevf_check_evt_cause(struct hclgevf_dev *hdev, 1963 u32 *clearval) 1964 { 1965 u32 val, cmdq_stat_reg, rst_ing_reg; 1966 1967 /* fetch the events from their corresponding regs */ 1968 cmdq_stat_reg = hclgevf_read_dev(&hdev->hw, 1969 HCLGEVF_VECTOR0_CMDQ_STAT_REG); 1970 1971 if (BIT(HCLGEVF_VECTOR0_RST_INT_B) & cmdq_stat_reg) { 1972 rst_ing_reg = hclgevf_read_dev(&hdev->hw, HCLGEVF_RST_ING); 1973 dev_info(&hdev->pdev->dev, 1974 "receive reset interrupt 0x%x!\n", rst_ing_reg); 1975 set_bit(HNAE3_VF_RESET, &hdev->reset_pending); 1976 set_bit(HCLGEVF_RESET_PENDING, &hdev->reset_state); 1977 set_bit(HCLGEVF_STATE_CMD_DISABLE, &hdev->state); 1978 *clearval = ~(1U << HCLGEVF_VECTOR0_RST_INT_B); 1979 hdev->rst_stats.vf_rst_cnt++; 1980 /* set up VF hardware reset status, its PF will clear 1981 * this status when PF has initialized done. 1982 */ 1983 val = hclgevf_read_dev(&hdev->hw, HCLGEVF_VF_RST_ING); 1984 hclgevf_write_dev(&hdev->hw, HCLGEVF_VF_RST_ING, 1985 val | HCLGEVF_VF_RST_ING_BIT); 1986 return HCLGEVF_VECTOR0_EVENT_RST; 1987 } 1988 1989 /* check for vector0 mailbox(=CMDQ RX) event source */ 1990 if (BIT(HCLGEVF_VECTOR0_RX_CMDQ_INT_B) & cmdq_stat_reg) { 1991 /* for revision 0x21, clearing interrupt is writing bit 0 1992 * to the clear register, writing bit 1 means to keep the 1993 * old value. 1994 * for revision 0x20, the clear register is a read & write 1995 * register, so we should just write 0 to the bit we are 1996 * handling, and keep other bits as cmdq_stat_reg. 1997 */ 1998 if (hdev->pdev->revision >= 0x21) 1999 *clearval = ~(1U << HCLGEVF_VECTOR0_RX_CMDQ_INT_B); 2000 else 2001 *clearval = cmdq_stat_reg & 2002 ~BIT(HCLGEVF_VECTOR0_RX_CMDQ_INT_B); 2003 2004 return HCLGEVF_VECTOR0_EVENT_MBX; 2005 } 2006 2007 dev_dbg(&hdev->pdev->dev, "vector 0 interrupt from unknown source\n"); 2008 2009 return HCLGEVF_VECTOR0_EVENT_OTHER; 2010 } 2011 2012 static void hclgevf_enable_vector(struct hclgevf_misc_vector *vector, bool en) 2013 { 2014 writel(en ? 1 : 0, vector->addr); 2015 } 2016 2017 static irqreturn_t hclgevf_misc_irq_handle(int irq, void *data) 2018 { 2019 enum hclgevf_evt_cause event_cause; 2020 struct hclgevf_dev *hdev = data; 2021 u32 clearval; 2022 2023 hclgevf_enable_vector(&hdev->misc_vector, false); 2024 event_cause = hclgevf_check_evt_cause(hdev, &clearval); 2025 2026 switch (event_cause) { 2027 case HCLGEVF_VECTOR0_EVENT_RST: 2028 hclgevf_reset_task_schedule(hdev); 2029 break; 2030 case HCLGEVF_VECTOR0_EVENT_MBX: 2031 hclgevf_mbx_handler(hdev); 2032 break; 2033 default: 2034 break; 2035 } 2036 2037 if (event_cause != HCLGEVF_VECTOR0_EVENT_OTHER) { 2038 hclgevf_clear_event_cause(hdev, clearval); 2039 hclgevf_enable_vector(&hdev->misc_vector, true); 2040 } 2041 2042 return IRQ_HANDLED; 2043 } 2044 2045 static int hclgevf_configure(struct hclgevf_dev *hdev) 2046 { 2047 int ret; 2048 2049 /* get current port based vlan state from PF */ 2050 ret = hclgevf_get_port_base_vlan_filter_state(hdev); 2051 if (ret) 2052 return ret; 2053 2054 /* get queue configuration from PF */ 2055 ret = hclgevf_get_queue_info(hdev); 2056 if (ret) 2057 return ret; 2058 2059 /* get queue depth info from PF */ 2060 ret = hclgevf_get_queue_depth(hdev); 2061 if (ret) 2062 return ret; 2063 2064 ret = hclgevf_get_pf_media_type(hdev); 2065 if (ret) 2066 return ret; 2067 2068 /* get tc configuration from PF */ 2069 return hclgevf_get_tc_info(hdev); 2070 } 2071 2072 static int hclgevf_alloc_hdev(struct hnae3_ae_dev *ae_dev) 2073 { 2074 struct pci_dev *pdev = ae_dev->pdev; 2075 struct hclgevf_dev *hdev; 2076 2077 hdev = devm_kzalloc(&pdev->dev, sizeof(*hdev), GFP_KERNEL); 2078 if (!hdev) 2079 return -ENOMEM; 2080 2081 hdev->pdev = pdev; 2082 hdev->ae_dev = ae_dev; 2083 ae_dev->priv = hdev; 2084 2085 return 0; 2086 } 2087 2088 static int hclgevf_init_roce_base_info(struct hclgevf_dev *hdev) 2089 { 2090 struct hnae3_handle *roce = &hdev->roce; 2091 struct hnae3_handle *nic = &hdev->nic; 2092 2093 roce->rinfo.num_vectors = hdev->num_roce_msix; 2094 2095 if (hdev->num_msi_left < roce->rinfo.num_vectors || 2096 hdev->num_msi_left == 0) 2097 return -EINVAL; 2098 2099 roce->rinfo.base_vector = hdev->roce_base_vector; 2100 2101 roce->rinfo.netdev = nic->kinfo.netdev; 2102 roce->rinfo.roce_io_base = hdev->hw.io_base; 2103 2104 roce->pdev = nic->pdev; 2105 roce->ae_algo = nic->ae_algo; 2106 roce->numa_node_mask = nic->numa_node_mask; 2107 2108 return 0; 2109 } 2110 2111 static int hclgevf_config_gro(struct hclgevf_dev *hdev, bool en) 2112 { 2113 struct hclgevf_cfg_gro_status_cmd *req; 2114 struct hclgevf_desc desc; 2115 int ret; 2116 2117 if (!hnae3_dev_gro_supported(hdev)) 2118 return 0; 2119 2120 hclgevf_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_GRO_GENERIC_CONFIG, 2121 false); 2122 req = (struct hclgevf_cfg_gro_status_cmd *)desc.data; 2123 2124 req->gro_en = cpu_to_le16(en ? 1 : 0); 2125 2126 ret = hclgevf_cmd_send(&hdev->hw, &desc, 1); 2127 if (ret) 2128 dev_err(&hdev->pdev->dev, 2129 "VF GRO hardware config cmd failed, ret = %d.\n", ret); 2130 2131 return ret; 2132 } 2133 2134 static int hclgevf_rss_init_hw(struct hclgevf_dev *hdev) 2135 { 2136 struct hclgevf_rss_cfg *rss_cfg = &hdev->rss_cfg; 2137 int ret; 2138 u32 i; 2139 2140 rss_cfg->rss_size = hdev->nic.kinfo.rss_size; 2141 2142 if (hdev->pdev->revision >= 0x21) { 2143 rss_cfg->hash_algo = HCLGEVF_RSS_HASH_ALGO_SIMPLE; 2144 memcpy(rss_cfg->rss_hash_key, hclgevf_hash_key, 2145 HCLGEVF_RSS_KEY_SIZE); 2146 2147 ret = hclgevf_set_rss_algo_key(hdev, rss_cfg->hash_algo, 2148 rss_cfg->rss_hash_key); 2149 if (ret) 2150 return ret; 2151 2152 rss_cfg->rss_tuple_sets.ipv4_tcp_en = 2153 HCLGEVF_RSS_INPUT_TUPLE_OTHER; 2154 rss_cfg->rss_tuple_sets.ipv4_udp_en = 2155 HCLGEVF_RSS_INPUT_TUPLE_OTHER; 2156 rss_cfg->rss_tuple_sets.ipv4_sctp_en = 2157 HCLGEVF_RSS_INPUT_TUPLE_SCTP; 2158 rss_cfg->rss_tuple_sets.ipv4_fragment_en = 2159 HCLGEVF_RSS_INPUT_TUPLE_OTHER; 2160 rss_cfg->rss_tuple_sets.ipv6_tcp_en = 2161 HCLGEVF_RSS_INPUT_TUPLE_OTHER; 2162 rss_cfg->rss_tuple_sets.ipv6_udp_en = 2163 HCLGEVF_RSS_INPUT_TUPLE_OTHER; 2164 rss_cfg->rss_tuple_sets.ipv6_sctp_en = 2165 HCLGEVF_RSS_INPUT_TUPLE_SCTP; 2166 rss_cfg->rss_tuple_sets.ipv6_fragment_en = 2167 HCLGEVF_RSS_INPUT_TUPLE_OTHER; 2168 2169 ret = hclgevf_set_rss_input_tuple(hdev, rss_cfg); 2170 if (ret) 2171 return ret; 2172 } 2173 2174 /* Initialize RSS indirect table */ 2175 for (i = 0; i < HCLGEVF_RSS_IND_TBL_SIZE; i++) 2176 rss_cfg->rss_indirection_tbl[i] = i % rss_cfg->rss_size; 2177 2178 ret = hclgevf_set_rss_indir_table(hdev); 2179 if (ret) 2180 return ret; 2181 2182 return hclgevf_set_rss_tc_mode(hdev, rss_cfg->rss_size); 2183 } 2184 2185 static int hclgevf_init_vlan_config(struct hclgevf_dev *hdev) 2186 { 2187 return hclgevf_set_vlan_filter(&hdev->nic, htons(ETH_P_8021Q), 0, 2188 false); 2189 } 2190 2191 static void hclgevf_flush_link_update(struct hclgevf_dev *hdev) 2192 { 2193 #define HCLGEVF_FLUSH_LINK_TIMEOUT 100000 2194 2195 unsigned long last = hdev->serv_processed_cnt; 2196 int i = 0; 2197 2198 while (test_bit(HCLGEVF_STATE_LINK_UPDATING, &hdev->state) && 2199 i++ < HCLGEVF_FLUSH_LINK_TIMEOUT && 2200 last == hdev->serv_processed_cnt) 2201 usleep_range(1, 1); 2202 } 2203 2204 static void hclgevf_set_timer_task(struct hnae3_handle *handle, bool enable) 2205 { 2206 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 2207 2208 if (enable) { 2209 hclgevf_task_schedule(hdev, 0); 2210 } else { 2211 set_bit(HCLGEVF_STATE_DOWN, &hdev->state); 2212 2213 /* flush memory to make sure DOWN is seen by service task */ 2214 smp_mb__before_atomic(); 2215 hclgevf_flush_link_update(hdev); 2216 } 2217 } 2218 2219 static int hclgevf_ae_start(struct hnae3_handle *handle) 2220 { 2221 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 2222 2223 hclgevf_reset_tqp_stats(handle); 2224 2225 hclgevf_request_link_info(hdev); 2226 2227 hclgevf_update_link_mode(hdev); 2228 2229 clear_bit(HCLGEVF_STATE_DOWN, &hdev->state); 2230 2231 return 0; 2232 } 2233 2234 static void hclgevf_ae_stop(struct hnae3_handle *handle) 2235 { 2236 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 2237 int i; 2238 2239 set_bit(HCLGEVF_STATE_DOWN, &hdev->state); 2240 2241 if (hdev->reset_type != HNAE3_VF_RESET) 2242 for (i = 0; i < handle->kinfo.num_tqps; i++) 2243 if (hclgevf_reset_tqp(handle, i)) 2244 break; 2245 2246 hclgevf_reset_tqp_stats(handle); 2247 hclgevf_update_link_status(hdev, 0); 2248 } 2249 2250 static int hclgevf_set_alive(struct hnae3_handle *handle, bool alive) 2251 { 2252 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 2253 u8 msg_data; 2254 2255 msg_data = alive ? 1 : 0; 2256 return hclgevf_send_mbx_msg(hdev, HCLGE_MBX_SET_ALIVE, 2257 0, &msg_data, 1, false, NULL, 0); 2258 } 2259 2260 static int hclgevf_client_start(struct hnae3_handle *handle) 2261 { 2262 int ret; 2263 2264 ret = hclgevf_set_alive(handle, true); 2265 if (ret) 2266 return ret; 2267 2268 return 0; 2269 } 2270 2271 static void hclgevf_client_stop(struct hnae3_handle *handle) 2272 { 2273 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 2274 int ret; 2275 2276 ret = hclgevf_set_alive(handle, false); 2277 if (ret) 2278 dev_warn(&hdev->pdev->dev, 2279 "%s failed %d\n", __func__, ret); 2280 } 2281 2282 static void hclgevf_state_init(struct hclgevf_dev *hdev) 2283 { 2284 clear_bit(HCLGEVF_STATE_MBX_SERVICE_SCHED, &hdev->state); 2285 clear_bit(HCLGEVF_STATE_MBX_HANDLING, &hdev->state); 2286 2287 INIT_DELAYED_WORK(&hdev->service_task, hclgevf_service_task); 2288 2289 mutex_init(&hdev->mbx_resp.mbx_mutex); 2290 2291 /* bring the device down */ 2292 set_bit(HCLGEVF_STATE_DOWN, &hdev->state); 2293 } 2294 2295 static void hclgevf_state_uninit(struct hclgevf_dev *hdev) 2296 { 2297 set_bit(HCLGEVF_STATE_DOWN, &hdev->state); 2298 set_bit(HCLGEVF_STATE_REMOVING, &hdev->state); 2299 2300 if (hdev->service_task.work.func) 2301 cancel_delayed_work_sync(&hdev->service_task); 2302 2303 mutex_destroy(&hdev->mbx_resp.mbx_mutex); 2304 } 2305 2306 static int hclgevf_init_msi(struct hclgevf_dev *hdev) 2307 { 2308 struct pci_dev *pdev = hdev->pdev; 2309 int vectors; 2310 int i; 2311 2312 if (hnae3_dev_roce_supported(hdev)) 2313 vectors = pci_alloc_irq_vectors(pdev, 2314 hdev->roce_base_msix_offset + 1, 2315 hdev->num_msi, 2316 PCI_IRQ_MSIX); 2317 else 2318 vectors = pci_alloc_irq_vectors(pdev, HNAE3_MIN_VECTOR_NUM, 2319 hdev->num_msi, 2320 PCI_IRQ_MSI | PCI_IRQ_MSIX); 2321 2322 if (vectors < 0) { 2323 dev_err(&pdev->dev, 2324 "failed(%d) to allocate MSI/MSI-X vectors\n", 2325 vectors); 2326 return vectors; 2327 } 2328 if (vectors < hdev->num_msi) 2329 dev_warn(&hdev->pdev->dev, 2330 "requested %u MSI/MSI-X, but allocated %d MSI/MSI-X\n", 2331 hdev->num_msi, vectors); 2332 2333 hdev->num_msi = vectors; 2334 hdev->num_msi_left = vectors; 2335 2336 hdev->base_msi_vector = pdev->irq; 2337 hdev->roce_base_vector = pdev->irq + hdev->roce_base_msix_offset; 2338 2339 hdev->vector_status = devm_kcalloc(&pdev->dev, hdev->num_msi, 2340 sizeof(u16), GFP_KERNEL); 2341 if (!hdev->vector_status) { 2342 pci_free_irq_vectors(pdev); 2343 return -ENOMEM; 2344 } 2345 2346 for (i = 0; i < hdev->num_msi; i++) 2347 hdev->vector_status[i] = HCLGEVF_INVALID_VPORT; 2348 2349 hdev->vector_irq = devm_kcalloc(&pdev->dev, hdev->num_msi, 2350 sizeof(int), GFP_KERNEL); 2351 if (!hdev->vector_irq) { 2352 devm_kfree(&pdev->dev, hdev->vector_status); 2353 pci_free_irq_vectors(pdev); 2354 return -ENOMEM; 2355 } 2356 2357 return 0; 2358 } 2359 2360 static void hclgevf_uninit_msi(struct hclgevf_dev *hdev) 2361 { 2362 struct pci_dev *pdev = hdev->pdev; 2363 2364 devm_kfree(&pdev->dev, hdev->vector_status); 2365 devm_kfree(&pdev->dev, hdev->vector_irq); 2366 pci_free_irq_vectors(pdev); 2367 } 2368 2369 static int hclgevf_misc_irq_init(struct hclgevf_dev *hdev) 2370 { 2371 int ret; 2372 2373 hclgevf_get_misc_vector(hdev); 2374 2375 ret = request_irq(hdev->misc_vector.vector_irq, hclgevf_misc_irq_handle, 2376 0, "hclgevf_cmd", hdev); 2377 if (ret) { 2378 dev_err(&hdev->pdev->dev, "VF failed to request misc irq(%d)\n", 2379 hdev->misc_vector.vector_irq); 2380 return ret; 2381 } 2382 2383 hclgevf_clear_event_cause(hdev, 0); 2384 2385 /* enable misc. vector(vector 0) */ 2386 hclgevf_enable_vector(&hdev->misc_vector, true); 2387 2388 return ret; 2389 } 2390 2391 static void hclgevf_misc_irq_uninit(struct hclgevf_dev *hdev) 2392 { 2393 /* disable misc vector(vector 0) */ 2394 hclgevf_enable_vector(&hdev->misc_vector, false); 2395 synchronize_irq(hdev->misc_vector.vector_irq); 2396 free_irq(hdev->misc_vector.vector_irq, hdev); 2397 hclgevf_free_vector(hdev, 0); 2398 } 2399 2400 static void hclgevf_info_show(struct hclgevf_dev *hdev) 2401 { 2402 struct device *dev = &hdev->pdev->dev; 2403 2404 dev_info(dev, "VF info begin:\n"); 2405 2406 dev_info(dev, "Task queue pairs numbers: %u\n", hdev->num_tqps); 2407 dev_info(dev, "Desc num per TX queue: %u\n", hdev->num_tx_desc); 2408 dev_info(dev, "Desc num per RX queue: %u\n", hdev->num_rx_desc); 2409 dev_info(dev, "Numbers of vports: %u\n", hdev->num_alloc_vport); 2410 dev_info(dev, "HW tc map: 0x%x\n", hdev->hw_tc_map); 2411 dev_info(dev, "PF media type of this VF: %u\n", 2412 hdev->hw.mac.media_type); 2413 2414 dev_info(dev, "VF info end.\n"); 2415 } 2416 2417 static int hclgevf_init_nic_client_instance(struct hnae3_ae_dev *ae_dev, 2418 struct hnae3_client *client) 2419 { 2420 struct hclgevf_dev *hdev = ae_dev->priv; 2421 int ret; 2422 2423 ret = client->ops->init_instance(&hdev->nic); 2424 if (ret) 2425 return ret; 2426 2427 set_bit(HCLGEVF_STATE_NIC_REGISTERED, &hdev->state); 2428 hnae3_set_client_init_flag(client, ae_dev, 1); 2429 2430 if (netif_msg_drv(&hdev->nic)) 2431 hclgevf_info_show(hdev); 2432 2433 return 0; 2434 } 2435 2436 static int hclgevf_init_roce_client_instance(struct hnae3_ae_dev *ae_dev, 2437 struct hnae3_client *client) 2438 { 2439 struct hclgevf_dev *hdev = ae_dev->priv; 2440 int ret; 2441 2442 if (!hnae3_dev_roce_supported(hdev) || !hdev->roce_client || 2443 !hdev->nic_client) 2444 return 0; 2445 2446 ret = hclgevf_init_roce_base_info(hdev); 2447 if (ret) 2448 return ret; 2449 2450 ret = client->ops->init_instance(&hdev->roce); 2451 if (ret) 2452 return ret; 2453 2454 hnae3_set_client_init_flag(client, ae_dev, 1); 2455 2456 return 0; 2457 } 2458 2459 static int hclgevf_init_client_instance(struct hnae3_client *client, 2460 struct hnae3_ae_dev *ae_dev) 2461 { 2462 struct hclgevf_dev *hdev = ae_dev->priv; 2463 int ret; 2464 2465 switch (client->type) { 2466 case HNAE3_CLIENT_KNIC: 2467 hdev->nic_client = client; 2468 hdev->nic.client = client; 2469 2470 ret = hclgevf_init_nic_client_instance(ae_dev, client); 2471 if (ret) 2472 goto clear_nic; 2473 2474 ret = hclgevf_init_roce_client_instance(ae_dev, 2475 hdev->roce_client); 2476 if (ret) 2477 goto clear_roce; 2478 2479 break; 2480 case HNAE3_CLIENT_ROCE: 2481 if (hnae3_dev_roce_supported(hdev)) { 2482 hdev->roce_client = client; 2483 hdev->roce.client = client; 2484 } 2485 2486 ret = hclgevf_init_roce_client_instance(ae_dev, client); 2487 if (ret) 2488 goto clear_roce; 2489 2490 break; 2491 default: 2492 return -EINVAL; 2493 } 2494 2495 return 0; 2496 2497 clear_nic: 2498 hdev->nic_client = NULL; 2499 hdev->nic.client = NULL; 2500 return ret; 2501 clear_roce: 2502 hdev->roce_client = NULL; 2503 hdev->roce.client = NULL; 2504 return ret; 2505 } 2506 2507 static void hclgevf_uninit_client_instance(struct hnae3_client *client, 2508 struct hnae3_ae_dev *ae_dev) 2509 { 2510 struct hclgevf_dev *hdev = ae_dev->priv; 2511 2512 /* un-init roce, if it exists */ 2513 if (hdev->roce_client) { 2514 hdev->roce_client->ops->uninit_instance(&hdev->roce, 0); 2515 hdev->roce_client = NULL; 2516 hdev->roce.client = NULL; 2517 } 2518 2519 /* un-init nic/unic, if this was not called by roce client */ 2520 if (client->ops->uninit_instance && hdev->nic_client && 2521 client->type != HNAE3_CLIENT_ROCE) { 2522 clear_bit(HCLGEVF_STATE_NIC_REGISTERED, &hdev->state); 2523 2524 client->ops->uninit_instance(&hdev->nic, 0); 2525 hdev->nic_client = NULL; 2526 hdev->nic.client = NULL; 2527 } 2528 } 2529 2530 static int hclgevf_pci_init(struct hclgevf_dev *hdev) 2531 { 2532 struct pci_dev *pdev = hdev->pdev; 2533 struct hclgevf_hw *hw; 2534 int ret; 2535 2536 ret = pci_enable_device(pdev); 2537 if (ret) { 2538 dev_err(&pdev->dev, "failed to enable PCI device\n"); 2539 return ret; 2540 } 2541 2542 ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); 2543 if (ret) { 2544 dev_err(&pdev->dev, "can't set consistent PCI DMA, exiting"); 2545 goto err_disable_device; 2546 } 2547 2548 ret = pci_request_regions(pdev, HCLGEVF_DRIVER_NAME); 2549 if (ret) { 2550 dev_err(&pdev->dev, "PCI request regions failed %d\n", ret); 2551 goto err_disable_device; 2552 } 2553 2554 pci_set_master(pdev); 2555 hw = &hdev->hw; 2556 hw->hdev = hdev; 2557 hw->io_base = pci_iomap(pdev, 2, 0); 2558 if (!hw->io_base) { 2559 dev_err(&pdev->dev, "can't map configuration register space\n"); 2560 ret = -ENOMEM; 2561 goto err_clr_master; 2562 } 2563 2564 return 0; 2565 2566 err_clr_master: 2567 pci_clear_master(pdev); 2568 pci_release_regions(pdev); 2569 err_disable_device: 2570 pci_disable_device(pdev); 2571 2572 return ret; 2573 } 2574 2575 static void hclgevf_pci_uninit(struct hclgevf_dev *hdev) 2576 { 2577 struct pci_dev *pdev = hdev->pdev; 2578 2579 pci_iounmap(pdev, hdev->hw.io_base); 2580 pci_clear_master(pdev); 2581 pci_release_regions(pdev); 2582 pci_disable_device(pdev); 2583 } 2584 2585 static int hclgevf_query_vf_resource(struct hclgevf_dev *hdev) 2586 { 2587 struct hclgevf_query_res_cmd *req; 2588 struct hclgevf_desc desc; 2589 int ret; 2590 2591 hclgevf_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_QUERY_VF_RSRC, true); 2592 ret = hclgevf_cmd_send(&hdev->hw, &desc, 1); 2593 if (ret) { 2594 dev_err(&hdev->pdev->dev, 2595 "query vf resource failed, ret = %d.\n", ret); 2596 return ret; 2597 } 2598 2599 req = (struct hclgevf_query_res_cmd *)desc.data; 2600 2601 if (hnae3_dev_roce_supported(hdev)) { 2602 hdev->roce_base_msix_offset = 2603 hnae3_get_field(__le16_to_cpu(req->msixcap_localid_ba_rocee), 2604 HCLGEVF_MSIX_OFT_ROCEE_M, 2605 HCLGEVF_MSIX_OFT_ROCEE_S); 2606 hdev->num_roce_msix = 2607 hnae3_get_field(__le16_to_cpu(req->vf_intr_vector_number), 2608 HCLGEVF_VEC_NUM_M, HCLGEVF_VEC_NUM_S); 2609 2610 /* nic's msix numbers is always equals to the roce's. */ 2611 hdev->num_nic_msix = hdev->num_roce_msix; 2612 2613 /* VF should have NIC vectors and Roce vectors, NIC vectors 2614 * are queued before Roce vectors. The offset is fixed to 64. 2615 */ 2616 hdev->num_msi = hdev->num_roce_msix + 2617 hdev->roce_base_msix_offset; 2618 } else { 2619 hdev->num_msi = 2620 hnae3_get_field(__le16_to_cpu(req->vf_intr_vector_number), 2621 HCLGEVF_VEC_NUM_M, HCLGEVF_VEC_NUM_S); 2622 2623 hdev->num_nic_msix = hdev->num_msi; 2624 } 2625 2626 if (hdev->num_nic_msix < HNAE3_MIN_VECTOR_NUM) { 2627 dev_err(&hdev->pdev->dev, 2628 "Just %u msi resources, not enough for vf(min:2).\n", 2629 hdev->num_nic_msix); 2630 return -EINVAL; 2631 } 2632 2633 return 0; 2634 } 2635 2636 static int hclgevf_pci_reset(struct hclgevf_dev *hdev) 2637 { 2638 struct pci_dev *pdev = hdev->pdev; 2639 int ret = 0; 2640 2641 if (hdev->reset_type == HNAE3_VF_FULL_RESET && 2642 test_bit(HCLGEVF_STATE_IRQ_INITED, &hdev->state)) { 2643 hclgevf_misc_irq_uninit(hdev); 2644 hclgevf_uninit_msi(hdev); 2645 clear_bit(HCLGEVF_STATE_IRQ_INITED, &hdev->state); 2646 } 2647 2648 if (!test_bit(HCLGEVF_STATE_IRQ_INITED, &hdev->state)) { 2649 pci_set_master(pdev); 2650 ret = hclgevf_init_msi(hdev); 2651 if (ret) { 2652 dev_err(&pdev->dev, 2653 "failed(%d) to init MSI/MSI-X\n", ret); 2654 return ret; 2655 } 2656 2657 ret = hclgevf_misc_irq_init(hdev); 2658 if (ret) { 2659 hclgevf_uninit_msi(hdev); 2660 dev_err(&pdev->dev, "failed(%d) to init Misc IRQ(vector0)\n", 2661 ret); 2662 return ret; 2663 } 2664 2665 set_bit(HCLGEVF_STATE_IRQ_INITED, &hdev->state); 2666 } 2667 2668 return ret; 2669 } 2670 2671 static int hclgevf_reset_hdev(struct hclgevf_dev *hdev) 2672 { 2673 struct pci_dev *pdev = hdev->pdev; 2674 int ret; 2675 2676 ret = hclgevf_pci_reset(hdev); 2677 if (ret) { 2678 dev_err(&pdev->dev, "pci reset failed %d\n", ret); 2679 return ret; 2680 } 2681 2682 ret = hclgevf_cmd_init(hdev); 2683 if (ret) { 2684 dev_err(&pdev->dev, "cmd failed %d\n", ret); 2685 return ret; 2686 } 2687 2688 ret = hclgevf_rss_init_hw(hdev); 2689 if (ret) { 2690 dev_err(&hdev->pdev->dev, 2691 "failed(%d) to initialize RSS\n", ret); 2692 return ret; 2693 } 2694 2695 ret = hclgevf_config_gro(hdev, true); 2696 if (ret) 2697 return ret; 2698 2699 ret = hclgevf_init_vlan_config(hdev); 2700 if (ret) { 2701 dev_err(&hdev->pdev->dev, 2702 "failed(%d) to initialize VLAN config\n", ret); 2703 return ret; 2704 } 2705 2706 dev_info(&hdev->pdev->dev, "Reset done\n"); 2707 2708 return 0; 2709 } 2710 2711 static int hclgevf_init_hdev(struct hclgevf_dev *hdev) 2712 { 2713 struct pci_dev *pdev = hdev->pdev; 2714 int ret; 2715 2716 ret = hclgevf_pci_init(hdev); 2717 if (ret) { 2718 dev_err(&pdev->dev, "PCI initialization failed\n"); 2719 return ret; 2720 } 2721 2722 ret = hclgevf_cmd_queue_init(hdev); 2723 if (ret) { 2724 dev_err(&pdev->dev, "Cmd queue init failed: %d\n", ret); 2725 goto err_cmd_queue_init; 2726 } 2727 2728 ret = hclgevf_cmd_init(hdev); 2729 if (ret) 2730 goto err_cmd_init; 2731 2732 /* Get vf resource */ 2733 ret = hclgevf_query_vf_resource(hdev); 2734 if (ret) { 2735 dev_err(&hdev->pdev->dev, 2736 "Query vf status error, ret = %d.\n", ret); 2737 goto err_cmd_init; 2738 } 2739 2740 ret = hclgevf_init_msi(hdev); 2741 if (ret) { 2742 dev_err(&pdev->dev, "failed(%d) to init MSI/MSI-X\n", ret); 2743 goto err_cmd_init; 2744 } 2745 2746 hclgevf_state_init(hdev); 2747 hdev->reset_level = HNAE3_VF_FUNC_RESET; 2748 2749 ret = hclgevf_misc_irq_init(hdev); 2750 if (ret) { 2751 dev_err(&pdev->dev, "failed(%d) to init Misc IRQ(vector0)\n", 2752 ret); 2753 goto err_misc_irq_init; 2754 } 2755 2756 set_bit(HCLGEVF_STATE_IRQ_INITED, &hdev->state); 2757 2758 ret = hclgevf_configure(hdev); 2759 if (ret) { 2760 dev_err(&pdev->dev, "failed(%d) to fetch configuration\n", ret); 2761 goto err_config; 2762 } 2763 2764 ret = hclgevf_alloc_tqps(hdev); 2765 if (ret) { 2766 dev_err(&pdev->dev, "failed(%d) to allocate TQPs\n", ret); 2767 goto err_config; 2768 } 2769 2770 ret = hclgevf_set_handle_info(hdev); 2771 if (ret) { 2772 dev_err(&pdev->dev, "failed(%d) to set handle info\n", ret); 2773 goto err_config; 2774 } 2775 2776 ret = hclgevf_config_gro(hdev, true); 2777 if (ret) 2778 goto err_config; 2779 2780 /* Initialize RSS for this VF */ 2781 ret = hclgevf_rss_init_hw(hdev); 2782 if (ret) { 2783 dev_err(&hdev->pdev->dev, 2784 "failed(%d) to initialize RSS\n", ret); 2785 goto err_config; 2786 } 2787 2788 ret = hclgevf_init_vlan_config(hdev); 2789 if (ret) { 2790 dev_err(&hdev->pdev->dev, 2791 "failed(%d) to initialize VLAN config\n", ret); 2792 goto err_config; 2793 } 2794 2795 hdev->last_reset_time = jiffies; 2796 dev_info(&hdev->pdev->dev, "finished initializing %s driver\n", 2797 HCLGEVF_DRIVER_NAME); 2798 2799 hclgevf_task_schedule(hdev, round_jiffies_relative(HZ)); 2800 2801 return 0; 2802 2803 err_config: 2804 hclgevf_misc_irq_uninit(hdev); 2805 err_misc_irq_init: 2806 hclgevf_state_uninit(hdev); 2807 hclgevf_uninit_msi(hdev); 2808 err_cmd_init: 2809 hclgevf_cmd_uninit(hdev); 2810 err_cmd_queue_init: 2811 hclgevf_pci_uninit(hdev); 2812 clear_bit(HCLGEVF_STATE_IRQ_INITED, &hdev->state); 2813 return ret; 2814 } 2815 2816 static void hclgevf_uninit_hdev(struct hclgevf_dev *hdev) 2817 { 2818 hclgevf_state_uninit(hdev); 2819 2820 if (test_bit(HCLGEVF_STATE_IRQ_INITED, &hdev->state)) { 2821 hclgevf_misc_irq_uninit(hdev); 2822 hclgevf_uninit_msi(hdev); 2823 } 2824 2825 hclgevf_pci_uninit(hdev); 2826 hclgevf_cmd_uninit(hdev); 2827 } 2828 2829 static int hclgevf_init_ae_dev(struct hnae3_ae_dev *ae_dev) 2830 { 2831 struct pci_dev *pdev = ae_dev->pdev; 2832 int ret; 2833 2834 ret = hclgevf_alloc_hdev(ae_dev); 2835 if (ret) { 2836 dev_err(&pdev->dev, "hclge device allocation failed\n"); 2837 return ret; 2838 } 2839 2840 ret = hclgevf_init_hdev(ae_dev->priv); 2841 if (ret) { 2842 dev_err(&pdev->dev, "hclge device initialization failed\n"); 2843 return ret; 2844 } 2845 2846 return 0; 2847 } 2848 2849 static void hclgevf_uninit_ae_dev(struct hnae3_ae_dev *ae_dev) 2850 { 2851 struct hclgevf_dev *hdev = ae_dev->priv; 2852 2853 hclgevf_uninit_hdev(hdev); 2854 ae_dev->priv = NULL; 2855 } 2856 2857 static u32 hclgevf_get_max_channels(struct hclgevf_dev *hdev) 2858 { 2859 struct hnae3_handle *nic = &hdev->nic; 2860 struct hnae3_knic_private_info *kinfo = &nic->kinfo; 2861 2862 return min_t(u32, hdev->rss_size_max, 2863 hdev->num_tqps / kinfo->num_tc); 2864 } 2865 2866 /** 2867 * hclgevf_get_channels - Get the current channels enabled and max supported. 2868 * @handle: hardware information for network interface 2869 * @ch: ethtool channels structure 2870 * 2871 * We don't support separate tx and rx queues as channels. The other count 2872 * represents how many queues are being used for control. max_combined counts 2873 * how many queue pairs we can support. They may not be mapped 1 to 1 with 2874 * q_vectors since we support a lot more queue pairs than q_vectors. 2875 **/ 2876 static void hclgevf_get_channels(struct hnae3_handle *handle, 2877 struct ethtool_channels *ch) 2878 { 2879 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 2880 2881 ch->max_combined = hclgevf_get_max_channels(hdev); 2882 ch->other_count = 0; 2883 ch->max_other = 0; 2884 ch->combined_count = handle->kinfo.rss_size; 2885 } 2886 2887 static void hclgevf_get_tqps_and_rss_info(struct hnae3_handle *handle, 2888 u16 *alloc_tqps, u16 *max_rss_size) 2889 { 2890 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 2891 2892 *alloc_tqps = hdev->num_tqps; 2893 *max_rss_size = hdev->rss_size_max; 2894 } 2895 2896 static void hclgevf_update_rss_size(struct hnae3_handle *handle, 2897 u32 new_tqps_num) 2898 { 2899 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 2900 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 2901 u16 max_rss_size; 2902 2903 kinfo->req_rss_size = new_tqps_num; 2904 2905 max_rss_size = min_t(u16, hdev->rss_size_max, 2906 hdev->num_tqps / kinfo->num_tc); 2907 2908 /* Use the user's configuration when it is not larger than 2909 * max_rss_size, otherwise, use the maximum specification value. 2910 */ 2911 if (kinfo->req_rss_size != kinfo->rss_size && kinfo->req_rss_size && 2912 kinfo->req_rss_size <= max_rss_size) 2913 kinfo->rss_size = kinfo->req_rss_size; 2914 else if (kinfo->rss_size > max_rss_size || 2915 (!kinfo->req_rss_size && kinfo->rss_size < max_rss_size)) 2916 kinfo->rss_size = max_rss_size; 2917 2918 kinfo->num_tqps = kinfo->num_tc * kinfo->rss_size; 2919 } 2920 2921 static int hclgevf_set_channels(struct hnae3_handle *handle, u32 new_tqps_num, 2922 bool rxfh_configured) 2923 { 2924 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 2925 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 2926 u16 cur_rss_size = kinfo->rss_size; 2927 u16 cur_tqps = kinfo->num_tqps; 2928 u32 *rss_indir; 2929 unsigned int i; 2930 int ret; 2931 2932 hclgevf_update_rss_size(handle, new_tqps_num); 2933 2934 ret = hclgevf_set_rss_tc_mode(hdev, kinfo->rss_size); 2935 if (ret) 2936 return ret; 2937 2938 /* RSS indirection table has been configuared by user */ 2939 if (rxfh_configured) 2940 goto out; 2941 2942 /* Reinitializes the rss indirect table according to the new RSS size */ 2943 rss_indir = kcalloc(HCLGEVF_RSS_IND_TBL_SIZE, sizeof(u32), GFP_KERNEL); 2944 if (!rss_indir) 2945 return -ENOMEM; 2946 2947 for (i = 0; i < HCLGEVF_RSS_IND_TBL_SIZE; i++) 2948 rss_indir[i] = i % kinfo->rss_size; 2949 2950 ret = hclgevf_set_rss(handle, rss_indir, NULL, 0); 2951 if (ret) 2952 dev_err(&hdev->pdev->dev, "set rss indir table fail, ret=%d\n", 2953 ret); 2954 2955 kfree(rss_indir); 2956 2957 out: 2958 if (!ret) 2959 dev_info(&hdev->pdev->dev, 2960 "Channels changed, rss_size from %u to %u, tqps from %u to %u", 2961 cur_rss_size, kinfo->rss_size, 2962 cur_tqps, kinfo->rss_size * kinfo->num_tc); 2963 2964 return ret; 2965 } 2966 2967 static int hclgevf_get_status(struct hnae3_handle *handle) 2968 { 2969 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 2970 2971 return hdev->hw.mac.link; 2972 } 2973 2974 static void hclgevf_get_ksettings_an_result(struct hnae3_handle *handle, 2975 u8 *auto_neg, u32 *speed, 2976 u8 *duplex) 2977 { 2978 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 2979 2980 if (speed) 2981 *speed = hdev->hw.mac.speed; 2982 if (duplex) 2983 *duplex = hdev->hw.mac.duplex; 2984 if (auto_neg) 2985 *auto_neg = AUTONEG_DISABLE; 2986 } 2987 2988 void hclgevf_update_speed_duplex(struct hclgevf_dev *hdev, u32 speed, 2989 u8 duplex) 2990 { 2991 hdev->hw.mac.speed = speed; 2992 hdev->hw.mac.duplex = duplex; 2993 } 2994 2995 static int hclgevf_gro_en(struct hnae3_handle *handle, bool enable) 2996 { 2997 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 2998 2999 return hclgevf_config_gro(hdev, enable); 3000 } 3001 3002 static void hclgevf_get_media_type(struct hnae3_handle *handle, u8 *media_type, 3003 u8 *module_type) 3004 { 3005 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 3006 3007 if (media_type) 3008 *media_type = hdev->hw.mac.media_type; 3009 3010 if (module_type) 3011 *module_type = hdev->hw.mac.module_type; 3012 } 3013 3014 static bool hclgevf_get_hw_reset_stat(struct hnae3_handle *handle) 3015 { 3016 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 3017 3018 return !!hclgevf_read_dev(&hdev->hw, HCLGEVF_RST_ING); 3019 } 3020 3021 static bool hclgevf_ae_dev_resetting(struct hnae3_handle *handle) 3022 { 3023 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 3024 3025 return test_bit(HCLGEVF_STATE_RST_HANDLING, &hdev->state); 3026 } 3027 3028 static unsigned long hclgevf_ae_dev_reset_cnt(struct hnae3_handle *handle) 3029 { 3030 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 3031 3032 return hdev->rst_stats.hw_rst_done_cnt; 3033 } 3034 3035 static void hclgevf_get_link_mode(struct hnae3_handle *handle, 3036 unsigned long *supported, 3037 unsigned long *advertising) 3038 { 3039 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 3040 3041 *supported = hdev->hw.mac.supported; 3042 *advertising = hdev->hw.mac.advertising; 3043 } 3044 3045 #define MAX_SEPARATE_NUM 4 3046 #define SEPARATOR_VALUE 0xFFFFFFFF 3047 #define REG_NUM_PER_LINE 4 3048 #define REG_LEN_PER_LINE (REG_NUM_PER_LINE * sizeof(u32)) 3049 3050 static int hclgevf_get_regs_len(struct hnae3_handle *handle) 3051 { 3052 int cmdq_lines, common_lines, ring_lines, tqp_intr_lines; 3053 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 3054 3055 cmdq_lines = sizeof(cmdq_reg_addr_list) / REG_LEN_PER_LINE + 1; 3056 common_lines = sizeof(common_reg_addr_list) / REG_LEN_PER_LINE + 1; 3057 ring_lines = sizeof(ring_reg_addr_list) / REG_LEN_PER_LINE + 1; 3058 tqp_intr_lines = sizeof(tqp_intr_reg_addr_list) / REG_LEN_PER_LINE + 1; 3059 3060 return (cmdq_lines + common_lines + ring_lines * hdev->num_tqps + 3061 tqp_intr_lines * (hdev->num_msi_used - 1)) * REG_LEN_PER_LINE; 3062 } 3063 3064 static void hclgevf_get_regs(struct hnae3_handle *handle, u32 *version, 3065 void *data) 3066 { 3067 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 3068 int i, j, reg_um, separator_num; 3069 u32 *reg = data; 3070 3071 *version = hdev->fw_version; 3072 3073 /* fetching per-VF registers values from VF PCIe register space */ 3074 reg_um = sizeof(cmdq_reg_addr_list) / sizeof(u32); 3075 separator_num = MAX_SEPARATE_NUM - reg_um % REG_NUM_PER_LINE; 3076 for (i = 0; i < reg_um; i++) 3077 *reg++ = hclgevf_read_dev(&hdev->hw, cmdq_reg_addr_list[i]); 3078 for (i = 0; i < separator_num; i++) 3079 *reg++ = SEPARATOR_VALUE; 3080 3081 reg_um = sizeof(common_reg_addr_list) / sizeof(u32); 3082 separator_num = MAX_SEPARATE_NUM - reg_um % REG_NUM_PER_LINE; 3083 for (i = 0; i < reg_um; i++) 3084 *reg++ = hclgevf_read_dev(&hdev->hw, common_reg_addr_list[i]); 3085 for (i = 0; i < separator_num; i++) 3086 *reg++ = SEPARATOR_VALUE; 3087 3088 reg_um = sizeof(ring_reg_addr_list) / sizeof(u32); 3089 separator_num = MAX_SEPARATE_NUM - reg_um % REG_NUM_PER_LINE; 3090 for (j = 0; j < hdev->num_tqps; j++) { 3091 for (i = 0; i < reg_um; i++) 3092 *reg++ = hclgevf_read_dev(&hdev->hw, 3093 ring_reg_addr_list[i] + 3094 0x200 * j); 3095 for (i = 0; i < separator_num; i++) 3096 *reg++ = SEPARATOR_VALUE; 3097 } 3098 3099 reg_um = sizeof(tqp_intr_reg_addr_list) / sizeof(u32); 3100 separator_num = MAX_SEPARATE_NUM - reg_um % REG_NUM_PER_LINE; 3101 for (j = 0; j < hdev->num_msi_used - 1; j++) { 3102 for (i = 0; i < reg_um; i++) 3103 *reg++ = hclgevf_read_dev(&hdev->hw, 3104 tqp_intr_reg_addr_list[i] + 3105 4 * j); 3106 for (i = 0; i < separator_num; i++) 3107 *reg++ = SEPARATOR_VALUE; 3108 } 3109 } 3110 3111 void hclgevf_update_port_base_vlan_info(struct hclgevf_dev *hdev, u16 state, 3112 u8 *port_base_vlan_info, u8 data_size) 3113 { 3114 struct hnae3_handle *nic = &hdev->nic; 3115 3116 rtnl_lock(); 3117 hclgevf_notify_client(hdev, HNAE3_DOWN_CLIENT); 3118 rtnl_unlock(); 3119 3120 /* send msg to PF and wait update port based vlan info */ 3121 hclgevf_send_mbx_msg(hdev, HCLGE_MBX_SET_VLAN, 3122 HCLGE_MBX_PORT_BASE_VLAN_CFG, 3123 port_base_vlan_info, data_size, 3124 false, NULL, 0); 3125 3126 if (state == HNAE3_PORT_BASE_VLAN_DISABLE) 3127 nic->port_base_vlan_state = HNAE3_PORT_BASE_VLAN_DISABLE; 3128 else 3129 nic->port_base_vlan_state = HNAE3_PORT_BASE_VLAN_ENABLE; 3130 3131 rtnl_lock(); 3132 hclgevf_notify_client(hdev, HNAE3_UP_CLIENT); 3133 rtnl_unlock(); 3134 } 3135 3136 static const struct hnae3_ae_ops hclgevf_ops = { 3137 .init_ae_dev = hclgevf_init_ae_dev, 3138 .uninit_ae_dev = hclgevf_uninit_ae_dev, 3139 .flr_prepare = hclgevf_flr_prepare, 3140 .flr_done = hclgevf_flr_done, 3141 .init_client_instance = hclgevf_init_client_instance, 3142 .uninit_client_instance = hclgevf_uninit_client_instance, 3143 .start = hclgevf_ae_start, 3144 .stop = hclgevf_ae_stop, 3145 .client_start = hclgevf_client_start, 3146 .client_stop = hclgevf_client_stop, 3147 .map_ring_to_vector = hclgevf_map_ring_to_vector, 3148 .unmap_ring_from_vector = hclgevf_unmap_ring_from_vector, 3149 .get_vector = hclgevf_get_vector, 3150 .put_vector = hclgevf_put_vector, 3151 .reset_queue = hclgevf_reset_tqp, 3152 .get_mac_addr = hclgevf_get_mac_addr, 3153 .set_mac_addr = hclgevf_set_mac_addr, 3154 .add_uc_addr = hclgevf_add_uc_addr, 3155 .rm_uc_addr = hclgevf_rm_uc_addr, 3156 .add_mc_addr = hclgevf_add_mc_addr, 3157 .rm_mc_addr = hclgevf_rm_mc_addr, 3158 .get_stats = hclgevf_get_stats, 3159 .update_stats = hclgevf_update_stats, 3160 .get_strings = hclgevf_get_strings, 3161 .get_sset_count = hclgevf_get_sset_count, 3162 .get_rss_key_size = hclgevf_get_rss_key_size, 3163 .get_rss_indir_size = hclgevf_get_rss_indir_size, 3164 .get_rss = hclgevf_get_rss, 3165 .set_rss = hclgevf_set_rss, 3166 .get_rss_tuple = hclgevf_get_rss_tuple, 3167 .set_rss_tuple = hclgevf_set_rss_tuple, 3168 .get_tc_size = hclgevf_get_tc_size, 3169 .get_fw_version = hclgevf_get_fw_version, 3170 .set_vlan_filter = hclgevf_set_vlan_filter, 3171 .enable_hw_strip_rxvtag = hclgevf_en_hw_strip_rxvtag, 3172 .reset_event = hclgevf_reset_event, 3173 .set_default_reset_request = hclgevf_set_def_reset_request, 3174 .set_channels = hclgevf_set_channels, 3175 .get_channels = hclgevf_get_channels, 3176 .get_tqps_and_rss_info = hclgevf_get_tqps_and_rss_info, 3177 .get_regs_len = hclgevf_get_regs_len, 3178 .get_regs = hclgevf_get_regs, 3179 .get_status = hclgevf_get_status, 3180 .get_ksettings_an_result = hclgevf_get_ksettings_an_result, 3181 .get_media_type = hclgevf_get_media_type, 3182 .get_hw_reset_stat = hclgevf_get_hw_reset_stat, 3183 .ae_dev_resetting = hclgevf_ae_dev_resetting, 3184 .ae_dev_reset_cnt = hclgevf_ae_dev_reset_cnt, 3185 .set_gro_en = hclgevf_gro_en, 3186 .set_mtu = hclgevf_set_mtu, 3187 .get_global_queue_id = hclgevf_get_qid_global, 3188 .set_timer_task = hclgevf_set_timer_task, 3189 .get_link_mode = hclgevf_get_link_mode, 3190 .set_promisc_mode = hclgevf_set_promisc_mode, 3191 }; 3192 3193 static struct hnae3_ae_algo ae_algovf = { 3194 .ops = &hclgevf_ops, 3195 .pdev_id_table = ae_algovf_pci_tbl, 3196 }; 3197 3198 static int hclgevf_init(void) 3199 { 3200 pr_info("%s is initializing\n", HCLGEVF_NAME); 3201 3202 hclgevf_wq = alloc_workqueue("%s", WQ_MEM_RECLAIM, 0, HCLGEVF_NAME); 3203 if (!hclgevf_wq) { 3204 pr_err("%s: failed to create workqueue\n", HCLGEVF_NAME); 3205 return -ENOMEM; 3206 } 3207 3208 hnae3_register_ae_algo(&ae_algovf); 3209 3210 return 0; 3211 } 3212 3213 static void hclgevf_exit(void) 3214 { 3215 hnae3_unregister_ae_algo(&ae_algovf); 3216 destroy_workqueue(hclgevf_wq); 3217 } 3218 module_init(hclgevf_init); 3219 module_exit(hclgevf_exit); 3220 3221 MODULE_LICENSE("GPL"); 3222 MODULE_AUTHOR("Huawei Tech. Co., Ltd."); 3223 MODULE_DESCRIPTION("HCLGEVF Driver"); 3224 MODULE_VERSION(HCLGEVF_MOD_VERSION); 3225