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 #include "hclgevf_devlink.h" 12 13 #define HCLGEVF_NAME "hclgevf" 14 15 #define HCLGEVF_RESET_MAX_FAIL_CNT 5 16 17 static int hclgevf_reset_hdev(struct hclgevf_dev *hdev); 18 static void hclgevf_task_schedule(struct hclgevf_dev *hdev, 19 unsigned long delay); 20 21 static struct hnae3_ae_algo ae_algovf; 22 23 static struct workqueue_struct *hclgevf_wq; 24 25 static const struct pci_device_id ae_algovf_pci_tbl[] = { 26 {PCI_VDEVICE(HUAWEI, HNAE3_DEV_ID_VF), 0}, 27 {PCI_VDEVICE(HUAWEI, HNAE3_DEV_ID_RDMA_DCB_PFC_VF), 28 HNAE3_DEV_SUPPORT_ROCE_DCB_BITS}, 29 /* required last entry */ 30 {0, } 31 }; 32 33 static const u8 hclgevf_hash_key[] = { 34 0x6D, 0x5A, 0x56, 0xDA, 0x25, 0x5B, 0x0E, 0xC2, 35 0x41, 0x67, 0x25, 0x3D, 0x43, 0xA3, 0x8F, 0xB0, 36 0xD0, 0xCA, 0x2B, 0xCB, 0xAE, 0x7B, 0x30, 0xB4, 37 0x77, 0xCB, 0x2D, 0xA3, 0x80, 0x30, 0xF2, 0x0C, 38 0x6A, 0x42, 0xB7, 0x3B, 0xBE, 0xAC, 0x01, 0xFA 39 }; 40 41 MODULE_DEVICE_TABLE(pci, ae_algovf_pci_tbl); 42 43 static const u32 cmdq_reg_addr_list[] = {HCLGEVF_NIC_CSQ_BASEADDR_L_REG, 44 HCLGEVF_NIC_CSQ_BASEADDR_H_REG, 45 HCLGEVF_NIC_CSQ_DEPTH_REG, 46 HCLGEVF_NIC_CSQ_TAIL_REG, 47 HCLGEVF_NIC_CSQ_HEAD_REG, 48 HCLGEVF_NIC_CRQ_BASEADDR_L_REG, 49 HCLGEVF_NIC_CRQ_BASEADDR_H_REG, 50 HCLGEVF_NIC_CRQ_DEPTH_REG, 51 HCLGEVF_NIC_CRQ_TAIL_REG, 52 HCLGEVF_NIC_CRQ_HEAD_REG, 53 HCLGEVF_VECTOR0_CMDQ_SRC_REG, 54 HCLGEVF_VECTOR0_CMDQ_STATE_REG, 55 HCLGEVF_CMDQ_INTR_EN_REG, 56 HCLGEVF_CMDQ_INTR_GEN_REG}; 57 58 static const u32 common_reg_addr_list[] = {HCLGEVF_MISC_VECTOR_REG_BASE, 59 HCLGEVF_RST_ING, 60 HCLGEVF_GRO_EN_REG}; 61 62 static const u32 ring_reg_addr_list[] = {HCLGEVF_RING_RX_ADDR_L_REG, 63 HCLGEVF_RING_RX_ADDR_H_REG, 64 HCLGEVF_RING_RX_BD_NUM_REG, 65 HCLGEVF_RING_RX_BD_LENGTH_REG, 66 HCLGEVF_RING_RX_MERGE_EN_REG, 67 HCLGEVF_RING_RX_TAIL_REG, 68 HCLGEVF_RING_RX_HEAD_REG, 69 HCLGEVF_RING_RX_FBD_NUM_REG, 70 HCLGEVF_RING_RX_OFFSET_REG, 71 HCLGEVF_RING_RX_FBD_OFFSET_REG, 72 HCLGEVF_RING_RX_STASH_REG, 73 HCLGEVF_RING_RX_BD_ERR_REG, 74 HCLGEVF_RING_TX_ADDR_L_REG, 75 HCLGEVF_RING_TX_ADDR_H_REG, 76 HCLGEVF_RING_TX_BD_NUM_REG, 77 HCLGEVF_RING_TX_PRIORITY_REG, 78 HCLGEVF_RING_TX_TC_REG, 79 HCLGEVF_RING_TX_MERGE_EN_REG, 80 HCLGEVF_RING_TX_TAIL_REG, 81 HCLGEVF_RING_TX_HEAD_REG, 82 HCLGEVF_RING_TX_FBD_NUM_REG, 83 HCLGEVF_RING_TX_OFFSET_REG, 84 HCLGEVF_RING_TX_EBD_NUM_REG, 85 HCLGEVF_RING_TX_EBD_OFFSET_REG, 86 HCLGEVF_RING_TX_BD_ERR_REG, 87 HCLGEVF_RING_EN_REG}; 88 89 static const u32 tqp_intr_reg_addr_list[] = {HCLGEVF_TQP_INTR_CTRL_REG, 90 HCLGEVF_TQP_INTR_GL0_REG, 91 HCLGEVF_TQP_INTR_GL1_REG, 92 HCLGEVF_TQP_INTR_GL2_REG, 93 HCLGEVF_TQP_INTR_RL_REG}; 94 95 static struct hclgevf_dev *hclgevf_ae_get_hdev(struct hnae3_handle *handle) 96 { 97 if (!handle->client) 98 return container_of(handle, struct hclgevf_dev, nic); 99 else if (handle->client->type == HNAE3_CLIENT_ROCE) 100 return container_of(handle, struct hclgevf_dev, roce); 101 else 102 return container_of(handle, struct hclgevf_dev, nic); 103 } 104 105 static int hclgevf_tqps_update_stats(struct hnae3_handle *handle) 106 { 107 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 108 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 109 struct hclgevf_desc desc; 110 struct hclgevf_tqp *tqp; 111 int status; 112 int i; 113 114 for (i = 0; i < kinfo->num_tqps; i++) { 115 tqp = container_of(kinfo->tqp[i], struct hclgevf_tqp, q); 116 hclgevf_cmd_setup_basic_desc(&desc, 117 HCLGEVF_OPC_QUERY_RX_STATUS, 118 true); 119 120 desc.data[0] = cpu_to_le32(tqp->index & 0x1ff); 121 status = hclgevf_cmd_send(&hdev->hw, &desc, 1); 122 if (status) { 123 dev_err(&hdev->pdev->dev, 124 "Query tqp stat fail, status = %d,queue = %d\n", 125 status, i); 126 return status; 127 } 128 tqp->tqp_stats.rcb_rx_ring_pktnum_rcd += 129 le32_to_cpu(desc.data[1]); 130 131 hclgevf_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_QUERY_TX_STATUS, 132 true); 133 134 desc.data[0] = cpu_to_le32(tqp->index & 0x1ff); 135 status = hclgevf_cmd_send(&hdev->hw, &desc, 1); 136 if (status) { 137 dev_err(&hdev->pdev->dev, 138 "Query tqp stat fail, status = %d,queue = %d\n", 139 status, i); 140 return status; 141 } 142 tqp->tqp_stats.rcb_tx_ring_pktnum_rcd += 143 le32_to_cpu(desc.data[1]); 144 } 145 146 return 0; 147 } 148 149 static u64 *hclgevf_tqps_get_stats(struct hnae3_handle *handle, u64 *data) 150 { 151 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 152 struct hclgevf_tqp *tqp; 153 u64 *buff = data; 154 int i; 155 156 for (i = 0; i < kinfo->num_tqps; i++) { 157 tqp = container_of(kinfo->tqp[i], struct hclgevf_tqp, q); 158 *buff++ = tqp->tqp_stats.rcb_tx_ring_pktnum_rcd; 159 } 160 for (i = 0; i < kinfo->num_tqps; i++) { 161 tqp = container_of(kinfo->tqp[i], struct hclgevf_tqp, q); 162 *buff++ = tqp->tqp_stats.rcb_rx_ring_pktnum_rcd; 163 } 164 165 return buff; 166 } 167 168 static int hclgevf_tqps_get_sset_count(struct hnae3_handle *handle, int strset) 169 { 170 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 171 172 return kinfo->num_tqps * 2; 173 } 174 175 static u8 *hclgevf_tqps_get_strings(struct hnae3_handle *handle, u8 *data) 176 { 177 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 178 u8 *buff = data; 179 int i; 180 181 for (i = 0; i < kinfo->num_tqps; i++) { 182 struct hclgevf_tqp *tqp = container_of(kinfo->tqp[i], 183 struct hclgevf_tqp, q); 184 snprintf(buff, ETH_GSTRING_LEN, "txq%u_pktnum_rcd", 185 tqp->index); 186 buff += ETH_GSTRING_LEN; 187 } 188 189 for (i = 0; i < kinfo->num_tqps; i++) { 190 struct hclgevf_tqp *tqp = container_of(kinfo->tqp[i], 191 struct hclgevf_tqp, q); 192 snprintf(buff, ETH_GSTRING_LEN, "rxq%u_pktnum_rcd", 193 tqp->index); 194 buff += ETH_GSTRING_LEN; 195 } 196 197 return buff; 198 } 199 200 static void hclgevf_update_stats(struct hnae3_handle *handle, 201 struct net_device_stats *net_stats) 202 { 203 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 204 int status; 205 206 status = hclgevf_tqps_update_stats(handle); 207 if (status) 208 dev_err(&hdev->pdev->dev, 209 "VF update of TQPS stats fail, status = %d.\n", 210 status); 211 } 212 213 static int hclgevf_get_sset_count(struct hnae3_handle *handle, int strset) 214 { 215 if (strset == ETH_SS_TEST) 216 return -EOPNOTSUPP; 217 else if (strset == ETH_SS_STATS) 218 return hclgevf_tqps_get_sset_count(handle, strset); 219 220 return 0; 221 } 222 223 static void hclgevf_get_strings(struct hnae3_handle *handle, u32 strset, 224 u8 *data) 225 { 226 u8 *p = (char *)data; 227 228 if (strset == ETH_SS_STATS) 229 p = hclgevf_tqps_get_strings(handle, p); 230 } 231 232 static void hclgevf_get_stats(struct hnae3_handle *handle, u64 *data) 233 { 234 hclgevf_tqps_get_stats(handle, data); 235 } 236 237 static void hclgevf_build_send_msg(struct hclge_vf_to_pf_msg *msg, u8 code, 238 u8 subcode) 239 { 240 if (msg) { 241 memset(msg, 0, sizeof(struct hclge_vf_to_pf_msg)); 242 msg->code = code; 243 msg->subcode = subcode; 244 } 245 } 246 247 static int hclgevf_get_basic_info(struct hclgevf_dev *hdev) 248 { 249 struct hnae3_ae_dev *ae_dev = hdev->ae_dev; 250 u8 resp_msg[HCLGE_MBX_MAX_RESP_DATA_SIZE]; 251 struct hclge_basic_info *basic_info; 252 struct hclge_vf_to_pf_msg send_msg; 253 unsigned long caps; 254 int status; 255 256 hclgevf_build_send_msg(&send_msg, HCLGE_MBX_GET_BASIC_INFO, 0); 257 status = hclgevf_send_mbx_msg(hdev, &send_msg, true, resp_msg, 258 sizeof(resp_msg)); 259 if (status) { 260 dev_err(&hdev->pdev->dev, 261 "failed to get basic info from pf, ret = %d", status); 262 return status; 263 } 264 265 basic_info = (struct hclge_basic_info *)resp_msg; 266 267 hdev->hw_tc_map = basic_info->hw_tc_map; 268 hdev->mbx_api_version = basic_info->mbx_api_version; 269 caps = basic_info->pf_caps; 270 if (test_bit(HNAE3_PF_SUPPORT_VLAN_FLTR_MDF_B, &caps)) 271 set_bit(HNAE3_DEV_SUPPORT_VLAN_FLTR_MDF_B, ae_dev->caps); 272 273 return 0; 274 } 275 276 static int hclgevf_get_port_base_vlan_filter_state(struct hclgevf_dev *hdev) 277 { 278 struct hnae3_handle *nic = &hdev->nic; 279 struct hclge_vf_to_pf_msg send_msg; 280 u8 resp_msg; 281 int ret; 282 283 hclgevf_build_send_msg(&send_msg, HCLGE_MBX_SET_VLAN, 284 HCLGE_MBX_GET_PORT_BASE_VLAN_STATE); 285 ret = hclgevf_send_mbx_msg(hdev, &send_msg, true, &resp_msg, 286 sizeof(u8)); 287 if (ret) { 288 dev_err(&hdev->pdev->dev, 289 "VF request to get port based vlan state failed %d", 290 ret); 291 return ret; 292 } 293 294 nic->port_base_vlan_state = resp_msg; 295 296 return 0; 297 } 298 299 static int hclgevf_get_queue_info(struct hclgevf_dev *hdev) 300 { 301 #define HCLGEVF_TQPS_RSS_INFO_LEN 6 302 #define HCLGEVF_TQPS_ALLOC_OFFSET 0 303 #define HCLGEVF_TQPS_RSS_SIZE_OFFSET 2 304 #define HCLGEVF_TQPS_RX_BUFFER_LEN_OFFSET 4 305 306 u8 resp_msg[HCLGEVF_TQPS_RSS_INFO_LEN]; 307 struct hclge_vf_to_pf_msg send_msg; 308 int status; 309 310 hclgevf_build_send_msg(&send_msg, HCLGE_MBX_GET_QINFO, 0); 311 status = hclgevf_send_mbx_msg(hdev, &send_msg, true, resp_msg, 312 HCLGEVF_TQPS_RSS_INFO_LEN); 313 if (status) { 314 dev_err(&hdev->pdev->dev, 315 "VF request to get tqp info from PF failed %d", 316 status); 317 return status; 318 } 319 320 memcpy(&hdev->num_tqps, &resp_msg[HCLGEVF_TQPS_ALLOC_OFFSET], 321 sizeof(u16)); 322 memcpy(&hdev->rss_size_max, &resp_msg[HCLGEVF_TQPS_RSS_SIZE_OFFSET], 323 sizeof(u16)); 324 memcpy(&hdev->rx_buf_len, &resp_msg[HCLGEVF_TQPS_RX_BUFFER_LEN_OFFSET], 325 sizeof(u16)); 326 327 return 0; 328 } 329 330 static int hclgevf_get_queue_depth(struct hclgevf_dev *hdev) 331 { 332 #define HCLGEVF_TQPS_DEPTH_INFO_LEN 4 333 #define HCLGEVF_TQPS_NUM_TX_DESC_OFFSET 0 334 #define HCLGEVF_TQPS_NUM_RX_DESC_OFFSET 2 335 336 u8 resp_msg[HCLGEVF_TQPS_DEPTH_INFO_LEN]; 337 struct hclge_vf_to_pf_msg send_msg; 338 int ret; 339 340 hclgevf_build_send_msg(&send_msg, HCLGE_MBX_GET_QDEPTH, 0); 341 ret = hclgevf_send_mbx_msg(hdev, &send_msg, true, resp_msg, 342 HCLGEVF_TQPS_DEPTH_INFO_LEN); 343 if (ret) { 344 dev_err(&hdev->pdev->dev, 345 "VF request to get tqp depth info from PF failed %d", 346 ret); 347 return ret; 348 } 349 350 memcpy(&hdev->num_tx_desc, &resp_msg[HCLGEVF_TQPS_NUM_TX_DESC_OFFSET], 351 sizeof(u16)); 352 memcpy(&hdev->num_rx_desc, &resp_msg[HCLGEVF_TQPS_NUM_RX_DESC_OFFSET], 353 sizeof(u16)); 354 355 return 0; 356 } 357 358 static u16 hclgevf_get_qid_global(struct hnae3_handle *handle, u16 queue_id) 359 { 360 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 361 struct hclge_vf_to_pf_msg send_msg; 362 u16 qid_in_pf = 0; 363 u8 resp_data[2]; 364 int ret; 365 366 hclgevf_build_send_msg(&send_msg, HCLGE_MBX_GET_QID_IN_PF, 0); 367 memcpy(send_msg.data, &queue_id, sizeof(queue_id)); 368 ret = hclgevf_send_mbx_msg(hdev, &send_msg, true, resp_data, 369 sizeof(resp_data)); 370 if (!ret) 371 qid_in_pf = *(u16 *)resp_data; 372 373 return qid_in_pf; 374 } 375 376 static int hclgevf_get_pf_media_type(struct hclgevf_dev *hdev) 377 { 378 struct hclge_vf_to_pf_msg send_msg; 379 u8 resp_msg[2]; 380 int ret; 381 382 hclgevf_build_send_msg(&send_msg, HCLGE_MBX_GET_MEDIA_TYPE, 0); 383 ret = hclgevf_send_mbx_msg(hdev, &send_msg, true, resp_msg, 384 sizeof(resp_msg)); 385 if (ret) { 386 dev_err(&hdev->pdev->dev, 387 "VF request to get the pf port media type failed %d", 388 ret); 389 return ret; 390 } 391 392 hdev->hw.mac.media_type = resp_msg[0]; 393 hdev->hw.mac.module_type = resp_msg[1]; 394 395 return 0; 396 } 397 398 static int hclgevf_alloc_tqps(struct hclgevf_dev *hdev) 399 { 400 struct hclgevf_tqp *tqp; 401 int i; 402 403 hdev->htqp = devm_kcalloc(&hdev->pdev->dev, hdev->num_tqps, 404 sizeof(struct hclgevf_tqp), GFP_KERNEL); 405 if (!hdev->htqp) 406 return -ENOMEM; 407 408 tqp = hdev->htqp; 409 410 for (i = 0; i < hdev->num_tqps; i++) { 411 tqp->dev = &hdev->pdev->dev; 412 tqp->index = i; 413 414 tqp->q.ae_algo = &ae_algovf; 415 tqp->q.buf_size = hdev->rx_buf_len; 416 tqp->q.tx_desc_num = hdev->num_tx_desc; 417 tqp->q.rx_desc_num = hdev->num_rx_desc; 418 419 /* need an extended offset to configure queues >= 420 * HCLGEVF_TQP_MAX_SIZE_DEV_V2. 421 */ 422 if (i < HCLGEVF_TQP_MAX_SIZE_DEV_V2) 423 tqp->q.io_base = hdev->hw.io_base + 424 HCLGEVF_TQP_REG_OFFSET + 425 i * HCLGEVF_TQP_REG_SIZE; 426 else 427 tqp->q.io_base = hdev->hw.io_base + 428 HCLGEVF_TQP_REG_OFFSET + 429 HCLGEVF_TQP_EXT_REG_OFFSET + 430 (i - HCLGEVF_TQP_MAX_SIZE_DEV_V2) * 431 HCLGEVF_TQP_REG_SIZE; 432 433 tqp++; 434 } 435 436 return 0; 437 } 438 439 static int hclgevf_knic_setup(struct hclgevf_dev *hdev) 440 { 441 struct hnae3_handle *nic = &hdev->nic; 442 struct hnae3_knic_private_info *kinfo; 443 u16 new_tqps = hdev->num_tqps; 444 unsigned int i; 445 u8 num_tc = 0; 446 447 kinfo = &nic->kinfo; 448 kinfo->num_tx_desc = hdev->num_tx_desc; 449 kinfo->num_rx_desc = hdev->num_rx_desc; 450 kinfo->rx_buf_len = hdev->rx_buf_len; 451 for (i = 0; i < HCLGEVF_MAX_TC_NUM; i++) 452 if (hdev->hw_tc_map & BIT(i)) 453 num_tc++; 454 455 num_tc = num_tc ? num_tc : 1; 456 kinfo->tc_info.num_tc = num_tc; 457 kinfo->rss_size = min_t(u16, hdev->rss_size_max, new_tqps / num_tc); 458 new_tqps = kinfo->rss_size * num_tc; 459 kinfo->num_tqps = min(new_tqps, hdev->num_tqps); 460 461 kinfo->tqp = devm_kcalloc(&hdev->pdev->dev, kinfo->num_tqps, 462 sizeof(struct hnae3_queue *), GFP_KERNEL); 463 if (!kinfo->tqp) 464 return -ENOMEM; 465 466 for (i = 0; i < kinfo->num_tqps; i++) { 467 hdev->htqp[i].q.handle = &hdev->nic; 468 hdev->htqp[i].q.tqp_index = i; 469 kinfo->tqp[i] = &hdev->htqp[i].q; 470 } 471 472 /* after init the max rss_size and tqps, adjust the default tqp numbers 473 * and rss size with the actual vector numbers 474 */ 475 kinfo->num_tqps = min_t(u16, hdev->num_nic_msix - 1, kinfo->num_tqps); 476 kinfo->rss_size = min_t(u16, kinfo->num_tqps / num_tc, 477 kinfo->rss_size); 478 479 return 0; 480 } 481 482 static void hclgevf_request_link_info(struct hclgevf_dev *hdev) 483 { 484 struct hclge_vf_to_pf_msg send_msg; 485 int status; 486 487 hclgevf_build_send_msg(&send_msg, HCLGE_MBX_GET_LINK_STATUS, 0); 488 status = hclgevf_send_mbx_msg(hdev, &send_msg, false, NULL, 0); 489 if (status) 490 dev_err(&hdev->pdev->dev, 491 "VF failed to fetch link status(%d) from PF", status); 492 } 493 494 void hclgevf_update_link_status(struct hclgevf_dev *hdev, int link_state) 495 { 496 struct hnae3_handle *rhandle = &hdev->roce; 497 struct hnae3_handle *handle = &hdev->nic; 498 struct hnae3_client *rclient; 499 struct hnae3_client *client; 500 501 if (test_and_set_bit(HCLGEVF_STATE_LINK_UPDATING, &hdev->state)) 502 return; 503 504 client = handle->client; 505 rclient = hdev->roce_client; 506 507 link_state = 508 test_bit(HCLGEVF_STATE_DOWN, &hdev->state) ? 0 : link_state; 509 if (link_state != hdev->hw.mac.link) { 510 hdev->hw.mac.link = link_state; 511 client->ops->link_status_change(handle, !!link_state); 512 if (rclient && rclient->ops->link_status_change) 513 rclient->ops->link_status_change(rhandle, !!link_state); 514 } 515 516 clear_bit(HCLGEVF_STATE_LINK_UPDATING, &hdev->state); 517 } 518 519 static void hclgevf_update_link_mode(struct hclgevf_dev *hdev) 520 { 521 #define HCLGEVF_ADVERTISING 0 522 #define HCLGEVF_SUPPORTED 1 523 524 struct hclge_vf_to_pf_msg send_msg; 525 526 hclgevf_build_send_msg(&send_msg, HCLGE_MBX_GET_LINK_MODE, 0); 527 send_msg.data[0] = HCLGEVF_ADVERTISING; 528 hclgevf_send_mbx_msg(hdev, &send_msg, false, NULL, 0); 529 send_msg.data[0] = HCLGEVF_SUPPORTED; 530 hclgevf_send_mbx_msg(hdev, &send_msg, false, NULL, 0); 531 } 532 533 static int hclgevf_set_handle_info(struct hclgevf_dev *hdev) 534 { 535 struct hnae3_handle *nic = &hdev->nic; 536 int ret; 537 538 nic->ae_algo = &ae_algovf; 539 nic->pdev = hdev->pdev; 540 nic->numa_node_mask = hdev->numa_node_mask; 541 nic->flags |= HNAE3_SUPPORT_VF; 542 nic->kinfo.io_base = hdev->hw.io_base; 543 544 ret = hclgevf_knic_setup(hdev); 545 if (ret) 546 dev_err(&hdev->pdev->dev, "VF knic setup failed %d\n", 547 ret); 548 return ret; 549 } 550 551 static void hclgevf_free_vector(struct hclgevf_dev *hdev, int vector_id) 552 { 553 if (hdev->vector_status[vector_id] == HCLGEVF_INVALID_VPORT) { 554 dev_warn(&hdev->pdev->dev, 555 "vector(vector_id %d) has been freed.\n", vector_id); 556 return; 557 } 558 559 hdev->vector_status[vector_id] = HCLGEVF_INVALID_VPORT; 560 hdev->num_msi_left += 1; 561 hdev->num_msi_used -= 1; 562 } 563 564 static int hclgevf_get_vector(struct hnae3_handle *handle, u16 vector_num, 565 struct hnae3_vector_info *vector_info) 566 { 567 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 568 struct hnae3_vector_info *vector = vector_info; 569 int alloc = 0; 570 int i, j; 571 572 vector_num = min_t(u16, hdev->num_nic_msix - 1, vector_num); 573 vector_num = min(hdev->num_msi_left, vector_num); 574 575 for (j = 0; j < vector_num; j++) { 576 for (i = HCLGEVF_MISC_VECTOR_NUM + 1; i < hdev->num_msi; i++) { 577 if (hdev->vector_status[i] == HCLGEVF_INVALID_VPORT) { 578 vector->vector = pci_irq_vector(hdev->pdev, i); 579 vector->io_addr = hdev->hw.io_base + 580 HCLGEVF_VECTOR_REG_BASE + 581 (i - 1) * HCLGEVF_VECTOR_REG_OFFSET; 582 hdev->vector_status[i] = 0; 583 hdev->vector_irq[i] = vector->vector; 584 585 vector++; 586 alloc++; 587 588 break; 589 } 590 } 591 } 592 hdev->num_msi_left -= alloc; 593 hdev->num_msi_used += alloc; 594 595 return alloc; 596 } 597 598 static int hclgevf_get_vector_index(struct hclgevf_dev *hdev, int vector) 599 { 600 int i; 601 602 for (i = 0; i < hdev->num_msi; i++) 603 if (vector == hdev->vector_irq[i]) 604 return i; 605 606 return -EINVAL; 607 } 608 609 static int hclgevf_set_rss_algo_key(struct hclgevf_dev *hdev, 610 const u8 hfunc, const u8 *key) 611 { 612 struct hclgevf_rss_config_cmd *req; 613 unsigned int key_offset = 0; 614 struct hclgevf_desc desc; 615 int key_counts; 616 int key_size; 617 int ret; 618 619 key_counts = HCLGEVF_RSS_KEY_SIZE; 620 req = (struct hclgevf_rss_config_cmd *)desc.data; 621 622 while (key_counts) { 623 hclgevf_cmd_setup_basic_desc(&desc, 624 HCLGEVF_OPC_RSS_GENERIC_CONFIG, 625 false); 626 627 req->hash_config |= (hfunc & HCLGEVF_RSS_HASH_ALGO_MASK); 628 req->hash_config |= 629 (key_offset << HCLGEVF_RSS_HASH_KEY_OFFSET_B); 630 631 key_size = min(HCLGEVF_RSS_HASH_KEY_NUM, key_counts); 632 memcpy(req->hash_key, 633 key + key_offset * HCLGEVF_RSS_HASH_KEY_NUM, key_size); 634 635 key_counts -= key_size; 636 key_offset++; 637 ret = hclgevf_cmd_send(&hdev->hw, &desc, 1); 638 if (ret) { 639 dev_err(&hdev->pdev->dev, 640 "Configure RSS config fail, status = %d\n", 641 ret); 642 return ret; 643 } 644 } 645 646 return 0; 647 } 648 649 static u32 hclgevf_get_rss_key_size(struct hnae3_handle *handle) 650 { 651 return HCLGEVF_RSS_KEY_SIZE; 652 } 653 654 static int hclgevf_set_rss_indir_table(struct hclgevf_dev *hdev) 655 { 656 const u8 *indir = hdev->rss_cfg.rss_indirection_tbl; 657 struct hclgevf_rss_indirection_table_cmd *req; 658 struct hclgevf_desc desc; 659 int rss_cfg_tbl_num; 660 int status; 661 int i, j; 662 663 req = (struct hclgevf_rss_indirection_table_cmd *)desc.data; 664 rss_cfg_tbl_num = hdev->ae_dev->dev_specs.rss_ind_tbl_size / 665 HCLGEVF_RSS_CFG_TBL_SIZE; 666 667 for (i = 0; i < rss_cfg_tbl_num; i++) { 668 hclgevf_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_RSS_INDIR_TABLE, 669 false); 670 req->start_table_index = 671 cpu_to_le16(i * HCLGEVF_RSS_CFG_TBL_SIZE); 672 req->rss_set_bitmap = cpu_to_le16(HCLGEVF_RSS_SET_BITMAP_MSK); 673 for (j = 0; j < HCLGEVF_RSS_CFG_TBL_SIZE; j++) 674 req->rss_result[j] = 675 indir[i * HCLGEVF_RSS_CFG_TBL_SIZE + j]; 676 677 status = hclgevf_cmd_send(&hdev->hw, &desc, 1); 678 if (status) { 679 dev_err(&hdev->pdev->dev, 680 "VF failed(=%d) to set RSS indirection table\n", 681 status); 682 return status; 683 } 684 } 685 686 return 0; 687 } 688 689 static int hclgevf_set_rss_tc_mode(struct hclgevf_dev *hdev, u16 rss_size) 690 { 691 struct hclgevf_rss_tc_mode_cmd *req; 692 u16 tc_offset[HCLGEVF_MAX_TC_NUM]; 693 u16 tc_valid[HCLGEVF_MAX_TC_NUM]; 694 u16 tc_size[HCLGEVF_MAX_TC_NUM]; 695 struct hclgevf_desc desc; 696 u16 roundup_size; 697 unsigned int i; 698 int status; 699 700 req = (struct hclgevf_rss_tc_mode_cmd *)desc.data; 701 702 roundup_size = roundup_pow_of_two(rss_size); 703 roundup_size = ilog2(roundup_size); 704 705 for (i = 0; i < HCLGEVF_MAX_TC_NUM; i++) { 706 tc_valid[i] = 1; 707 tc_size[i] = roundup_size; 708 tc_offset[i] = (hdev->hw_tc_map & BIT(i)) ? rss_size * i : 0; 709 } 710 711 hclgevf_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_RSS_TC_MODE, false); 712 for (i = 0; i < HCLGEVF_MAX_TC_NUM; i++) { 713 u16 mode = 0; 714 715 hnae3_set_bit(mode, HCLGEVF_RSS_TC_VALID_B, 716 (tc_valid[i] & 0x1)); 717 hnae3_set_field(mode, HCLGEVF_RSS_TC_SIZE_M, 718 HCLGEVF_RSS_TC_SIZE_S, tc_size[i]); 719 hnae3_set_bit(mode, HCLGEVF_RSS_TC_SIZE_MSB_B, 720 tc_size[i] >> HCLGEVF_RSS_TC_SIZE_MSB_OFFSET & 721 0x1); 722 hnae3_set_field(mode, HCLGEVF_RSS_TC_OFFSET_M, 723 HCLGEVF_RSS_TC_OFFSET_S, tc_offset[i]); 724 725 req->rss_tc_mode[i] = cpu_to_le16(mode); 726 } 727 status = hclgevf_cmd_send(&hdev->hw, &desc, 1); 728 if (status) 729 dev_err(&hdev->pdev->dev, 730 "VF failed(=%d) to set rss tc mode\n", status); 731 732 return status; 733 } 734 735 /* for revision 0x20, vf shared the same rss config with pf */ 736 static int hclgevf_get_rss_hash_key(struct hclgevf_dev *hdev) 737 { 738 #define HCLGEVF_RSS_MBX_RESP_LEN 8 739 struct hclgevf_rss_cfg *rss_cfg = &hdev->rss_cfg; 740 u8 resp_msg[HCLGEVF_RSS_MBX_RESP_LEN]; 741 struct hclge_vf_to_pf_msg send_msg; 742 u16 msg_num, hash_key_index; 743 u8 index; 744 int ret; 745 746 hclgevf_build_send_msg(&send_msg, HCLGE_MBX_GET_RSS_KEY, 0); 747 msg_num = (HCLGEVF_RSS_KEY_SIZE + HCLGEVF_RSS_MBX_RESP_LEN - 1) / 748 HCLGEVF_RSS_MBX_RESP_LEN; 749 for (index = 0; index < msg_num; index++) { 750 send_msg.data[0] = index; 751 ret = hclgevf_send_mbx_msg(hdev, &send_msg, true, resp_msg, 752 HCLGEVF_RSS_MBX_RESP_LEN); 753 if (ret) { 754 dev_err(&hdev->pdev->dev, 755 "VF get rss hash key from PF failed, ret=%d", 756 ret); 757 return ret; 758 } 759 760 hash_key_index = HCLGEVF_RSS_MBX_RESP_LEN * index; 761 if (index == msg_num - 1) 762 memcpy(&rss_cfg->rss_hash_key[hash_key_index], 763 &resp_msg[0], 764 HCLGEVF_RSS_KEY_SIZE - hash_key_index); 765 else 766 memcpy(&rss_cfg->rss_hash_key[hash_key_index], 767 &resp_msg[0], HCLGEVF_RSS_MBX_RESP_LEN); 768 } 769 770 return 0; 771 } 772 773 static int hclgevf_get_rss(struct hnae3_handle *handle, u32 *indir, u8 *key, 774 u8 *hfunc) 775 { 776 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 777 struct hclgevf_rss_cfg *rss_cfg = &hdev->rss_cfg; 778 int i, ret; 779 780 if (hdev->ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V2) { 781 /* Get hash algorithm */ 782 if (hfunc) { 783 switch (rss_cfg->hash_algo) { 784 case HCLGEVF_RSS_HASH_ALGO_TOEPLITZ: 785 *hfunc = ETH_RSS_HASH_TOP; 786 break; 787 case HCLGEVF_RSS_HASH_ALGO_SIMPLE: 788 *hfunc = ETH_RSS_HASH_XOR; 789 break; 790 default: 791 *hfunc = ETH_RSS_HASH_UNKNOWN; 792 break; 793 } 794 } 795 796 /* Get the RSS Key required by the user */ 797 if (key) 798 memcpy(key, rss_cfg->rss_hash_key, 799 HCLGEVF_RSS_KEY_SIZE); 800 } else { 801 if (hfunc) 802 *hfunc = ETH_RSS_HASH_TOP; 803 if (key) { 804 ret = hclgevf_get_rss_hash_key(hdev); 805 if (ret) 806 return ret; 807 memcpy(key, rss_cfg->rss_hash_key, 808 HCLGEVF_RSS_KEY_SIZE); 809 } 810 } 811 812 if (indir) 813 for (i = 0; i < hdev->ae_dev->dev_specs.rss_ind_tbl_size; i++) 814 indir[i] = rss_cfg->rss_indirection_tbl[i]; 815 816 return 0; 817 } 818 819 static int hclgevf_parse_rss_hfunc(struct hclgevf_dev *hdev, const u8 hfunc, 820 u8 *hash_algo) 821 { 822 switch (hfunc) { 823 case ETH_RSS_HASH_TOP: 824 *hash_algo = HCLGEVF_RSS_HASH_ALGO_TOEPLITZ; 825 return 0; 826 case ETH_RSS_HASH_XOR: 827 *hash_algo = HCLGEVF_RSS_HASH_ALGO_SIMPLE; 828 return 0; 829 case ETH_RSS_HASH_NO_CHANGE: 830 *hash_algo = hdev->rss_cfg.hash_algo; 831 return 0; 832 default: 833 return -EINVAL; 834 } 835 } 836 837 static int hclgevf_set_rss(struct hnae3_handle *handle, const u32 *indir, 838 const u8 *key, const u8 hfunc) 839 { 840 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 841 struct hclgevf_rss_cfg *rss_cfg = &hdev->rss_cfg; 842 u8 hash_algo; 843 int ret, i; 844 845 if (hdev->ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V2) { 846 ret = hclgevf_parse_rss_hfunc(hdev, hfunc, &hash_algo); 847 if (ret) 848 return ret; 849 850 /* Set the RSS Hash Key if specififed by the user */ 851 if (key) { 852 ret = hclgevf_set_rss_algo_key(hdev, hash_algo, key); 853 if (ret) { 854 dev_err(&hdev->pdev->dev, 855 "invalid hfunc type %u\n", hfunc); 856 return ret; 857 } 858 859 /* Update the shadow RSS key with user specified qids */ 860 memcpy(rss_cfg->rss_hash_key, key, 861 HCLGEVF_RSS_KEY_SIZE); 862 } else { 863 ret = hclgevf_set_rss_algo_key(hdev, hash_algo, 864 rss_cfg->rss_hash_key); 865 if (ret) 866 return ret; 867 } 868 rss_cfg->hash_algo = hash_algo; 869 } 870 871 /* update the shadow RSS table with user specified qids */ 872 for (i = 0; i < hdev->ae_dev->dev_specs.rss_ind_tbl_size; i++) 873 rss_cfg->rss_indirection_tbl[i] = indir[i]; 874 875 /* update the hardware */ 876 return hclgevf_set_rss_indir_table(hdev); 877 } 878 879 static u8 hclgevf_get_rss_hash_bits(struct ethtool_rxnfc *nfc) 880 { 881 u8 hash_sets = nfc->data & RXH_L4_B_0_1 ? HCLGEVF_S_PORT_BIT : 0; 882 883 if (nfc->data & RXH_L4_B_2_3) 884 hash_sets |= HCLGEVF_D_PORT_BIT; 885 else 886 hash_sets &= ~HCLGEVF_D_PORT_BIT; 887 888 if (nfc->data & RXH_IP_SRC) 889 hash_sets |= HCLGEVF_S_IP_BIT; 890 else 891 hash_sets &= ~HCLGEVF_S_IP_BIT; 892 893 if (nfc->data & RXH_IP_DST) 894 hash_sets |= HCLGEVF_D_IP_BIT; 895 else 896 hash_sets &= ~HCLGEVF_D_IP_BIT; 897 898 if (nfc->flow_type == SCTP_V4_FLOW || nfc->flow_type == SCTP_V6_FLOW) 899 hash_sets |= HCLGEVF_V_TAG_BIT; 900 901 return hash_sets; 902 } 903 904 static int hclgevf_init_rss_tuple_cmd(struct hnae3_handle *handle, 905 struct ethtool_rxnfc *nfc, 906 struct hclgevf_rss_input_tuple_cmd *req) 907 { 908 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 909 struct hclgevf_rss_cfg *rss_cfg = &hdev->rss_cfg; 910 u8 tuple_sets; 911 912 req->ipv4_tcp_en = rss_cfg->rss_tuple_sets.ipv4_tcp_en; 913 req->ipv4_udp_en = rss_cfg->rss_tuple_sets.ipv4_udp_en; 914 req->ipv4_sctp_en = rss_cfg->rss_tuple_sets.ipv4_sctp_en; 915 req->ipv4_fragment_en = rss_cfg->rss_tuple_sets.ipv4_fragment_en; 916 req->ipv6_tcp_en = rss_cfg->rss_tuple_sets.ipv6_tcp_en; 917 req->ipv6_udp_en = rss_cfg->rss_tuple_sets.ipv6_udp_en; 918 req->ipv6_sctp_en = rss_cfg->rss_tuple_sets.ipv6_sctp_en; 919 req->ipv6_fragment_en = rss_cfg->rss_tuple_sets.ipv6_fragment_en; 920 921 tuple_sets = hclgevf_get_rss_hash_bits(nfc); 922 switch (nfc->flow_type) { 923 case TCP_V4_FLOW: 924 req->ipv4_tcp_en = tuple_sets; 925 break; 926 case TCP_V6_FLOW: 927 req->ipv6_tcp_en = tuple_sets; 928 break; 929 case UDP_V4_FLOW: 930 req->ipv4_udp_en = tuple_sets; 931 break; 932 case UDP_V6_FLOW: 933 req->ipv6_udp_en = tuple_sets; 934 break; 935 case SCTP_V4_FLOW: 936 req->ipv4_sctp_en = tuple_sets; 937 break; 938 case SCTP_V6_FLOW: 939 if (hdev->ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2 && 940 (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3))) 941 return -EINVAL; 942 943 req->ipv6_sctp_en = tuple_sets; 944 break; 945 case IPV4_FLOW: 946 req->ipv4_fragment_en = HCLGEVF_RSS_INPUT_TUPLE_OTHER; 947 break; 948 case IPV6_FLOW: 949 req->ipv6_fragment_en = HCLGEVF_RSS_INPUT_TUPLE_OTHER; 950 break; 951 default: 952 return -EINVAL; 953 } 954 955 return 0; 956 } 957 958 static int hclgevf_set_rss_tuple(struct hnae3_handle *handle, 959 struct ethtool_rxnfc *nfc) 960 { 961 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 962 struct hclgevf_rss_cfg *rss_cfg = &hdev->rss_cfg; 963 struct hclgevf_rss_input_tuple_cmd *req; 964 struct hclgevf_desc desc; 965 int ret; 966 967 if (hdev->ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2) 968 return -EOPNOTSUPP; 969 970 if (nfc->data & 971 ~(RXH_IP_SRC | RXH_IP_DST | RXH_L4_B_0_1 | RXH_L4_B_2_3)) 972 return -EINVAL; 973 974 req = (struct hclgevf_rss_input_tuple_cmd *)desc.data; 975 hclgevf_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_RSS_INPUT_TUPLE, false); 976 977 ret = hclgevf_init_rss_tuple_cmd(handle, nfc, req); 978 if (ret) { 979 dev_err(&hdev->pdev->dev, 980 "failed to init rss tuple cmd, ret = %d\n", ret); 981 return ret; 982 } 983 984 ret = hclgevf_cmd_send(&hdev->hw, &desc, 1); 985 if (ret) { 986 dev_err(&hdev->pdev->dev, 987 "Set rss tuple fail, status = %d\n", ret); 988 return ret; 989 } 990 991 rss_cfg->rss_tuple_sets.ipv4_tcp_en = req->ipv4_tcp_en; 992 rss_cfg->rss_tuple_sets.ipv4_udp_en = req->ipv4_udp_en; 993 rss_cfg->rss_tuple_sets.ipv4_sctp_en = req->ipv4_sctp_en; 994 rss_cfg->rss_tuple_sets.ipv4_fragment_en = req->ipv4_fragment_en; 995 rss_cfg->rss_tuple_sets.ipv6_tcp_en = req->ipv6_tcp_en; 996 rss_cfg->rss_tuple_sets.ipv6_udp_en = req->ipv6_udp_en; 997 rss_cfg->rss_tuple_sets.ipv6_sctp_en = req->ipv6_sctp_en; 998 rss_cfg->rss_tuple_sets.ipv6_fragment_en = req->ipv6_fragment_en; 999 return 0; 1000 } 1001 1002 static int hclgevf_get_rss_tuple_by_flow_type(struct hclgevf_dev *hdev, 1003 int flow_type, u8 *tuple_sets) 1004 { 1005 switch (flow_type) { 1006 case TCP_V4_FLOW: 1007 *tuple_sets = hdev->rss_cfg.rss_tuple_sets.ipv4_tcp_en; 1008 break; 1009 case UDP_V4_FLOW: 1010 *tuple_sets = hdev->rss_cfg.rss_tuple_sets.ipv4_udp_en; 1011 break; 1012 case TCP_V6_FLOW: 1013 *tuple_sets = hdev->rss_cfg.rss_tuple_sets.ipv6_tcp_en; 1014 break; 1015 case UDP_V6_FLOW: 1016 *tuple_sets = hdev->rss_cfg.rss_tuple_sets.ipv6_udp_en; 1017 break; 1018 case SCTP_V4_FLOW: 1019 *tuple_sets = hdev->rss_cfg.rss_tuple_sets.ipv4_sctp_en; 1020 break; 1021 case SCTP_V6_FLOW: 1022 *tuple_sets = hdev->rss_cfg.rss_tuple_sets.ipv6_sctp_en; 1023 break; 1024 case IPV4_FLOW: 1025 case IPV6_FLOW: 1026 *tuple_sets = HCLGEVF_S_IP_BIT | HCLGEVF_D_IP_BIT; 1027 break; 1028 default: 1029 return -EINVAL; 1030 } 1031 1032 return 0; 1033 } 1034 1035 static u64 hclgevf_convert_rss_tuple(u8 tuple_sets) 1036 { 1037 u64 tuple_data = 0; 1038 1039 if (tuple_sets & HCLGEVF_D_PORT_BIT) 1040 tuple_data |= RXH_L4_B_2_3; 1041 if (tuple_sets & HCLGEVF_S_PORT_BIT) 1042 tuple_data |= RXH_L4_B_0_1; 1043 if (tuple_sets & HCLGEVF_D_IP_BIT) 1044 tuple_data |= RXH_IP_DST; 1045 if (tuple_sets & HCLGEVF_S_IP_BIT) 1046 tuple_data |= RXH_IP_SRC; 1047 1048 return tuple_data; 1049 } 1050 1051 static int hclgevf_get_rss_tuple(struct hnae3_handle *handle, 1052 struct ethtool_rxnfc *nfc) 1053 { 1054 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 1055 u8 tuple_sets; 1056 int ret; 1057 1058 if (hdev->ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2) 1059 return -EOPNOTSUPP; 1060 1061 nfc->data = 0; 1062 1063 ret = hclgevf_get_rss_tuple_by_flow_type(hdev, nfc->flow_type, 1064 &tuple_sets); 1065 if (ret || !tuple_sets) 1066 return ret; 1067 1068 nfc->data = hclgevf_convert_rss_tuple(tuple_sets); 1069 1070 return 0; 1071 } 1072 1073 static int hclgevf_set_rss_input_tuple(struct hclgevf_dev *hdev, 1074 struct hclgevf_rss_cfg *rss_cfg) 1075 { 1076 struct hclgevf_rss_input_tuple_cmd *req; 1077 struct hclgevf_desc desc; 1078 int ret; 1079 1080 hclgevf_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_RSS_INPUT_TUPLE, false); 1081 1082 req = (struct hclgevf_rss_input_tuple_cmd *)desc.data; 1083 1084 req->ipv4_tcp_en = rss_cfg->rss_tuple_sets.ipv4_tcp_en; 1085 req->ipv4_udp_en = rss_cfg->rss_tuple_sets.ipv4_udp_en; 1086 req->ipv4_sctp_en = rss_cfg->rss_tuple_sets.ipv4_sctp_en; 1087 req->ipv4_fragment_en = rss_cfg->rss_tuple_sets.ipv4_fragment_en; 1088 req->ipv6_tcp_en = rss_cfg->rss_tuple_sets.ipv6_tcp_en; 1089 req->ipv6_udp_en = rss_cfg->rss_tuple_sets.ipv6_udp_en; 1090 req->ipv6_sctp_en = rss_cfg->rss_tuple_sets.ipv6_sctp_en; 1091 req->ipv6_fragment_en = rss_cfg->rss_tuple_sets.ipv6_fragment_en; 1092 1093 ret = hclgevf_cmd_send(&hdev->hw, &desc, 1); 1094 if (ret) 1095 dev_err(&hdev->pdev->dev, 1096 "Configure rss input fail, status = %d\n", ret); 1097 return ret; 1098 } 1099 1100 static int hclgevf_get_tc_size(struct hnae3_handle *handle) 1101 { 1102 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 1103 struct hclgevf_rss_cfg *rss_cfg = &hdev->rss_cfg; 1104 1105 return rss_cfg->rss_size; 1106 } 1107 1108 static int hclgevf_bind_ring_to_vector(struct hnae3_handle *handle, bool en, 1109 int vector_id, 1110 struct hnae3_ring_chain_node *ring_chain) 1111 { 1112 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 1113 struct hclge_vf_to_pf_msg send_msg; 1114 struct hnae3_ring_chain_node *node; 1115 int status; 1116 int i = 0; 1117 1118 memset(&send_msg, 0, sizeof(send_msg)); 1119 send_msg.code = en ? HCLGE_MBX_MAP_RING_TO_VECTOR : 1120 HCLGE_MBX_UNMAP_RING_TO_VECTOR; 1121 send_msg.vector_id = vector_id; 1122 1123 for (node = ring_chain; node; node = node->next) { 1124 send_msg.param[i].ring_type = 1125 hnae3_get_bit(node->flag, HNAE3_RING_TYPE_B); 1126 1127 send_msg.param[i].tqp_index = node->tqp_index; 1128 send_msg.param[i].int_gl_index = 1129 hnae3_get_field(node->int_gl_idx, 1130 HNAE3_RING_GL_IDX_M, 1131 HNAE3_RING_GL_IDX_S); 1132 1133 i++; 1134 if (i == HCLGE_MBX_MAX_RING_CHAIN_PARAM_NUM || !node->next) { 1135 send_msg.ring_num = i; 1136 1137 status = hclgevf_send_mbx_msg(hdev, &send_msg, false, 1138 NULL, 0); 1139 if (status) { 1140 dev_err(&hdev->pdev->dev, 1141 "Map TQP fail, status is %d.\n", 1142 status); 1143 return status; 1144 } 1145 i = 0; 1146 } 1147 } 1148 1149 return 0; 1150 } 1151 1152 static int hclgevf_map_ring_to_vector(struct hnae3_handle *handle, int vector, 1153 struct hnae3_ring_chain_node *ring_chain) 1154 { 1155 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 1156 int vector_id; 1157 1158 vector_id = hclgevf_get_vector_index(hdev, vector); 1159 if (vector_id < 0) { 1160 dev_err(&handle->pdev->dev, 1161 "Get vector index fail. ret =%d\n", vector_id); 1162 return vector_id; 1163 } 1164 1165 return hclgevf_bind_ring_to_vector(handle, true, vector_id, ring_chain); 1166 } 1167 1168 static int hclgevf_unmap_ring_from_vector( 1169 struct hnae3_handle *handle, 1170 int vector, 1171 struct hnae3_ring_chain_node *ring_chain) 1172 { 1173 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 1174 int ret, vector_id; 1175 1176 if (test_bit(HCLGEVF_STATE_RST_HANDLING, &hdev->state)) 1177 return 0; 1178 1179 vector_id = hclgevf_get_vector_index(hdev, vector); 1180 if (vector_id < 0) { 1181 dev_err(&handle->pdev->dev, 1182 "Get vector index fail. ret =%d\n", vector_id); 1183 return vector_id; 1184 } 1185 1186 ret = hclgevf_bind_ring_to_vector(handle, false, vector_id, ring_chain); 1187 if (ret) 1188 dev_err(&handle->pdev->dev, 1189 "Unmap ring from vector fail. vector=%d, ret =%d\n", 1190 vector_id, 1191 ret); 1192 1193 return ret; 1194 } 1195 1196 static int hclgevf_put_vector(struct hnae3_handle *handle, int vector) 1197 { 1198 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 1199 int vector_id; 1200 1201 vector_id = hclgevf_get_vector_index(hdev, vector); 1202 if (vector_id < 0) { 1203 dev_err(&handle->pdev->dev, 1204 "hclgevf_put_vector get vector index fail. ret =%d\n", 1205 vector_id); 1206 return vector_id; 1207 } 1208 1209 hclgevf_free_vector(hdev, vector_id); 1210 1211 return 0; 1212 } 1213 1214 static int hclgevf_cmd_set_promisc_mode(struct hclgevf_dev *hdev, 1215 bool en_uc_pmc, bool en_mc_pmc, 1216 bool en_bc_pmc) 1217 { 1218 struct hnae3_handle *handle = &hdev->nic; 1219 struct hclge_vf_to_pf_msg send_msg; 1220 int ret; 1221 1222 memset(&send_msg, 0, sizeof(send_msg)); 1223 send_msg.code = HCLGE_MBX_SET_PROMISC_MODE; 1224 send_msg.en_bc = en_bc_pmc ? 1 : 0; 1225 send_msg.en_uc = en_uc_pmc ? 1 : 0; 1226 send_msg.en_mc = en_mc_pmc ? 1 : 0; 1227 send_msg.en_limit_promisc = test_bit(HNAE3_PFLAG_LIMIT_PROMISC, 1228 &handle->priv_flags) ? 1 : 0; 1229 1230 ret = hclgevf_send_mbx_msg(hdev, &send_msg, false, NULL, 0); 1231 if (ret) 1232 dev_err(&hdev->pdev->dev, 1233 "Set promisc mode fail, status is %d.\n", ret); 1234 1235 return ret; 1236 } 1237 1238 static int hclgevf_set_promisc_mode(struct hnae3_handle *handle, bool en_uc_pmc, 1239 bool en_mc_pmc) 1240 { 1241 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 1242 bool en_bc_pmc; 1243 1244 en_bc_pmc = hdev->ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V2; 1245 1246 return hclgevf_cmd_set_promisc_mode(hdev, en_uc_pmc, en_mc_pmc, 1247 en_bc_pmc); 1248 } 1249 1250 static void hclgevf_request_update_promisc_mode(struct hnae3_handle *handle) 1251 { 1252 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 1253 1254 set_bit(HCLGEVF_STATE_PROMISC_CHANGED, &hdev->state); 1255 hclgevf_task_schedule(hdev, 0); 1256 } 1257 1258 static void hclgevf_sync_promisc_mode(struct hclgevf_dev *hdev) 1259 { 1260 struct hnae3_handle *handle = &hdev->nic; 1261 bool en_uc_pmc = handle->netdev_flags & HNAE3_UPE; 1262 bool en_mc_pmc = handle->netdev_flags & HNAE3_MPE; 1263 int ret; 1264 1265 if (test_bit(HCLGEVF_STATE_PROMISC_CHANGED, &hdev->state)) { 1266 ret = hclgevf_set_promisc_mode(handle, en_uc_pmc, en_mc_pmc); 1267 if (!ret) 1268 clear_bit(HCLGEVF_STATE_PROMISC_CHANGED, &hdev->state); 1269 } 1270 } 1271 1272 static int hclgevf_tqp_enable_cmd_send(struct hclgevf_dev *hdev, u16 tqp_id, 1273 u16 stream_id, bool enable) 1274 { 1275 struct hclgevf_cfg_com_tqp_queue_cmd *req; 1276 struct hclgevf_desc desc; 1277 1278 req = (struct hclgevf_cfg_com_tqp_queue_cmd *)desc.data; 1279 1280 hclgevf_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_CFG_COM_TQP_QUEUE, 1281 false); 1282 req->tqp_id = cpu_to_le16(tqp_id & HCLGEVF_RING_ID_MASK); 1283 req->stream_id = cpu_to_le16(stream_id); 1284 if (enable) 1285 req->enable |= 1U << HCLGEVF_TQP_ENABLE_B; 1286 1287 return hclgevf_cmd_send(&hdev->hw, &desc, 1); 1288 } 1289 1290 static int hclgevf_tqp_enable(struct hnae3_handle *handle, bool enable) 1291 { 1292 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 1293 int ret; 1294 u16 i; 1295 1296 for (i = 0; i < handle->kinfo.num_tqps; i++) { 1297 ret = hclgevf_tqp_enable_cmd_send(hdev, i, 0, enable); 1298 if (ret) 1299 return ret; 1300 } 1301 1302 return 0; 1303 } 1304 1305 static void hclgevf_reset_tqp_stats(struct hnae3_handle *handle) 1306 { 1307 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 1308 struct hclgevf_tqp *tqp; 1309 int i; 1310 1311 for (i = 0; i < kinfo->num_tqps; i++) { 1312 tqp = container_of(kinfo->tqp[i], struct hclgevf_tqp, q); 1313 memset(&tqp->tqp_stats, 0, sizeof(tqp->tqp_stats)); 1314 } 1315 } 1316 1317 static int hclgevf_get_host_mac_addr(struct hclgevf_dev *hdev, u8 *p) 1318 { 1319 struct hclge_vf_to_pf_msg send_msg; 1320 u8 host_mac[ETH_ALEN]; 1321 int status; 1322 1323 hclgevf_build_send_msg(&send_msg, HCLGE_MBX_GET_MAC_ADDR, 0); 1324 status = hclgevf_send_mbx_msg(hdev, &send_msg, true, host_mac, 1325 ETH_ALEN); 1326 if (status) { 1327 dev_err(&hdev->pdev->dev, 1328 "fail to get VF MAC from host %d", status); 1329 return status; 1330 } 1331 1332 ether_addr_copy(p, host_mac); 1333 1334 return 0; 1335 } 1336 1337 static void hclgevf_get_mac_addr(struct hnae3_handle *handle, u8 *p) 1338 { 1339 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 1340 u8 host_mac_addr[ETH_ALEN]; 1341 1342 if (hclgevf_get_host_mac_addr(hdev, host_mac_addr)) 1343 return; 1344 1345 hdev->has_pf_mac = !is_zero_ether_addr(host_mac_addr); 1346 if (hdev->has_pf_mac) 1347 ether_addr_copy(p, host_mac_addr); 1348 else 1349 ether_addr_copy(p, hdev->hw.mac.mac_addr); 1350 } 1351 1352 static int hclgevf_set_mac_addr(struct hnae3_handle *handle, void *p, 1353 bool is_first) 1354 { 1355 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 1356 u8 *old_mac_addr = (u8 *)hdev->hw.mac.mac_addr; 1357 struct hclge_vf_to_pf_msg send_msg; 1358 u8 *new_mac_addr = (u8 *)p; 1359 int status; 1360 1361 hclgevf_build_send_msg(&send_msg, HCLGE_MBX_SET_UNICAST, 0); 1362 send_msg.subcode = HCLGE_MBX_MAC_VLAN_UC_MODIFY; 1363 ether_addr_copy(send_msg.data, new_mac_addr); 1364 if (is_first && !hdev->has_pf_mac) 1365 eth_zero_addr(&send_msg.data[ETH_ALEN]); 1366 else 1367 ether_addr_copy(&send_msg.data[ETH_ALEN], old_mac_addr); 1368 status = hclgevf_send_mbx_msg(hdev, &send_msg, true, NULL, 0); 1369 if (!status) 1370 ether_addr_copy(hdev->hw.mac.mac_addr, new_mac_addr); 1371 1372 return status; 1373 } 1374 1375 static struct hclgevf_mac_addr_node * 1376 hclgevf_find_mac_node(struct list_head *list, const u8 *mac_addr) 1377 { 1378 struct hclgevf_mac_addr_node *mac_node, *tmp; 1379 1380 list_for_each_entry_safe(mac_node, tmp, list, node) 1381 if (ether_addr_equal(mac_addr, mac_node->mac_addr)) 1382 return mac_node; 1383 1384 return NULL; 1385 } 1386 1387 static void hclgevf_update_mac_node(struct hclgevf_mac_addr_node *mac_node, 1388 enum HCLGEVF_MAC_NODE_STATE state) 1389 { 1390 switch (state) { 1391 /* from set_rx_mode or tmp_add_list */ 1392 case HCLGEVF_MAC_TO_ADD: 1393 if (mac_node->state == HCLGEVF_MAC_TO_DEL) 1394 mac_node->state = HCLGEVF_MAC_ACTIVE; 1395 break; 1396 /* only from set_rx_mode */ 1397 case HCLGEVF_MAC_TO_DEL: 1398 if (mac_node->state == HCLGEVF_MAC_TO_ADD) { 1399 list_del(&mac_node->node); 1400 kfree(mac_node); 1401 } else { 1402 mac_node->state = HCLGEVF_MAC_TO_DEL; 1403 } 1404 break; 1405 /* only from tmp_add_list, the mac_node->state won't be 1406 * HCLGEVF_MAC_ACTIVE 1407 */ 1408 case HCLGEVF_MAC_ACTIVE: 1409 if (mac_node->state == HCLGEVF_MAC_TO_ADD) 1410 mac_node->state = HCLGEVF_MAC_ACTIVE; 1411 break; 1412 } 1413 } 1414 1415 static int hclgevf_update_mac_list(struct hnae3_handle *handle, 1416 enum HCLGEVF_MAC_NODE_STATE state, 1417 enum HCLGEVF_MAC_ADDR_TYPE mac_type, 1418 const unsigned char *addr) 1419 { 1420 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 1421 struct hclgevf_mac_addr_node *mac_node; 1422 struct list_head *list; 1423 1424 list = (mac_type == HCLGEVF_MAC_ADDR_UC) ? 1425 &hdev->mac_table.uc_mac_list : &hdev->mac_table.mc_mac_list; 1426 1427 spin_lock_bh(&hdev->mac_table.mac_list_lock); 1428 1429 /* if the mac addr is already in the mac list, no need to add a new 1430 * one into it, just check the mac addr state, convert it to a new 1431 * new state, or just remove it, or do nothing. 1432 */ 1433 mac_node = hclgevf_find_mac_node(list, addr); 1434 if (mac_node) { 1435 hclgevf_update_mac_node(mac_node, state); 1436 spin_unlock_bh(&hdev->mac_table.mac_list_lock); 1437 return 0; 1438 } 1439 /* if this address is never added, unnecessary to delete */ 1440 if (state == HCLGEVF_MAC_TO_DEL) { 1441 spin_unlock_bh(&hdev->mac_table.mac_list_lock); 1442 return -ENOENT; 1443 } 1444 1445 mac_node = kzalloc(sizeof(*mac_node), GFP_ATOMIC); 1446 if (!mac_node) { 1447 spin_unlock_bh(&hdev->mac_table.mac_list_lock); 1448 return -ENOMEM; 1449 } 1450 1451 mac_node->state = state; 1452 ether_addr_copy(mac_node->mac_addr, addr); 1453 list_add_tail(&mac_node->node, list); 1454 1455 spin_unlock_bh(&hdev->mac_table.mac_list_lock); 1456 return 0; 1457 } 1458 1459 static int hclgevf_add_uc_addr(struct hnae3_handle *handle, 1460 const unsigned char *addr) 1461 { 1462 return hclgevf_update_mac_list(handle, HCLGEVF_MAC_TO_ADD, 1463 HCLGEVF_MAC_ADDR_UC, addr); 1464 } 1465 1466 static int hclgevf_rm_uc_addr(struct hnae3_handle *handle, 1467 const unsigned char *addr) 1468 { 1469 return hclgevf_update_mac_list(handle, HCLGEVF_MAC_TO_DEL, 1470 HCLGEVF_MAC_ADDR_UC, addr); 1471 } 1472 1473 static int hclgevf_add_mc_addr(struct hnae3_handle *handle, 1474 const unsigned char *addr) 1475 { 1476 return hclgevf_update_mac_list(handle, HCLGEVF_MAC_TO_ADD, 1477 HCLGEVF_MAC_ADDR_MC, addr); 1478 } 1479 1480 static int hclgevf_rm_mc_addr(struct hnae3_handle *handle, 1481 const unsigned char *addr) 1482 { 1483 return hclgevf_update_mac_list(handle, HCLGEVF_MAC_TO_DEL, 1484 HCLGEVF_MAC_ADDR_MC, addr); 1485 } 1486 1487 static int hclgevf_add_del_mac_addr(struct hclgevf_dev *hdev, 1488 struct hclgevf_mac_addr_node *mac_node, 1489 enum HCLGEVF_MAC_ADDR_TYPE mac_type) 1490 { 1491 struct hclge_vf_to_pf_msg send_msg; 1492 u8 code, subcode; 1493 1494 if (mac_type == HCLGEVF_MAC_ADDR_UC) { 1495 code = HCLGE_MBX_SET_UNICAST; 1496 if (mac_node->state == HCLGEVF_MAC_TO_ADD) 1497 subcode = HCLGE_MBX_MAC_VLAN_UC_ADD; 1498 else 1499 subcode = HCLGE_MBX_MAC_VLAN_UC_REMOVE; 1500 } else { 1501 code = HCLGE_MBX_SET_MULTICAST; 1502 if (mac_node->state == HCLGEVF_MAC_TO_ADD) 1503 subcode = HCLGE_MBX_MAC_VLAN_MC_ADD; 1504 else 1505 subcode = HCLGE_MBX_MAC_VLAN_MC_REMOVE; 1506 } 1507 1508 hclgevf_build_send_msg(&send_msg, code, subcode); 1509 ether_addr_copy(send_msg.data, mac_node->mac_addr); 1510 return hclgevf_send_mbx_msg(hdev, &send_msg, false, NULL, 0); 1511 } 1512 1513 static void hclgevf_config_mac_list(struct hclgevf_dev *hdev, 1514 struct list_head *list, 1515 enum HCLGEVF_MAC_ADDR_TYPE mac_type) 1516 { 1517 char format_mac_addr[HNAE3_FORMAT_MAC_ADDR_LEN]; 1518 struct hclgevf_mac_addr_node *mac_node, *tmp; 1519 int ret; 1520 1521 list_for_each_entry_safe(mac_node, tmp, list, node) { 1522 ret = hclgevf_add_del_mac_addr(hdev, mac_node, mac_type); 1523 if (ret) { 1524 hnae3_format_mac_addr(format_mac_addr, 1525 mac_node->mac_addr); 1526 dev_err(&hdev->pdev->dev, 1527 "failed to configure mac %s, state = %d, ret = %d\n", 1528 format_mac_addr, mac_node->state, ret); 1529 return; 1530 } 1531 if (mac_node->state == HCLGEVF_MAC_TO_ADD) { 1532 mac_node->state = HCLGEVF_MAC_ACTIVE; 1533 } else { 1534 list_del(&mac_node->node); 1535 kfree(mac_node); 1536 } 1537 } 1538 } 1539 1540 static void hclgevf_sync_from_add_list(struct list_head *add_list, 1541 struct list_head *mac_list) 1542 { 1543 struct hclgevf_mac_addr_node *mac_node, *tmp, *new_node; 1544 1545 list_for_each_entry_safe(mac_node, tmp, add_list, node) { 1546 /* if the mac address from tmp_add_list is not in the 1547 * uc/mc_mac_list, it means have received a TO_DEL request 1548 * during the time window of sending mac config request to PF 1549 * If mac_node state is ACTIVE, then change its state to TO_DEL, 1550 * then it will be removed at next time. If is TO_ADD, it means 1551 * send TO_ADD request failed, so just remove the mac node. 1552 */ 1553 new_node = hclgevf_find_mac_node(mac_list, mac_node->mac_addr); 1554 if (new_node) { 1555 hclgevf_update_mac_node(new_node, mac_node->state); 1556 list_del(&mac_node->node); 1557 kfree(mac_node); 1558 } else if (mac_node->state == HCLGEVF_MAC_ACTIVE) { 1559 mac_node->state = HCLGEVF_MAC_TO_DEL; 1560 list_move_tail(&mac_node->node, mac_list); 1561 } else { 1562 list_del(&mac_node->node); 1563 kfree(mac_node); 1564 } 1565 } 1566 } 1567 1568 static void hclgevf_sync_from_del_list(struct list_head *del_list, 1569 struct list_head *mac_list) 1570 { 1571 struct hclgevf_mac_addr_node *mac_node, *tmp, *new_node; 1572 1573 list_for_each_entry_safe(mac_node, tmp, del_list, node) { 1574 new_node = hclgevf_find_mac_node(mac_list, mac_node->mac_addr); 1575 if (new_node) { 1576 /* If the mac addr is exist in the mac list, it means 1577 * received a new request TO_ADD during the time window 1578 * of sending mac addr configurrequest to PF, so just 1579 * change the mac state to ACTIVE. 1580 */ 1581 new_node->state = HCLGEVF_MAC_ACTIVE; 1582 list_del(&mac_node->node); 1583 kfree(mac_node); 1584 } else { 1585 list_move_tail(&mac_node->node, mac_list); 1586 } 1587 } 1588 } 1589 1590 static void hclgevf_clear_list(struct list_head *list) 1591 { 1592 struct hclgevf_mac_addr_node *mac_node, *tmp; 1593 1594 list_for_each_entry_safe(mac_node, tmp, list, node) { 1595 list_del(&mac_node->node); 1596 kfree(mac_node); 1597 } 1598 } 1599 1600 static void hclgevf_sync_mac_list(struct hclgevf_dev *hdev, 1601 enum HCLGEVF_MAC_ADDR_TYPE mac_type) 1602 { 1603 struct hclgevf_mac_addr_node *mac_node, *tmp, *new_node; 1604 struct list_head tmp_add_list, tmp_del_list; 1605 struct list_head *list; 1606 1607 INIT_LIST_HEAD(&tmp_add_list); 1608 INIT_LIST_HEAD(&tmp_del_list); 1609 1610 /* move the mac addr to the tmp_add_list and tmp_del_list, then 1611 * we can add/delete these mac addr outside the spin lock 1612 */ 1613 list = (mac_type == HCLGEVF_MAC_ADDR_UC) ? 1614 &hdev->mac_table.uc_mac_list : &hdev->mac_table.mc_mac_list; 1615 1616 spin_lock_bh(&hdev->mac_table.mac_list_lock); 1617 1618 list_for_each_entry_safe(mac_node, tmp, list, node) { 1619 switch (mac_node->state) { 1620 case HCLGEVF_MAC_TO_DEL: 1621 list_move_tail(&mac_node->node, &tmp_del_list); 1622 break; 1623 case HCLGEVF_MAC_TO_ADD: 1624 new_node = kzalloc(sizeof(*new_node), GFP_ATOMIC); 1625 if (!new_node) 1626 goto stop_traverse; 1627 1628 ether_addr_copy(new_node->mac_addr, mac_node->mac_addr); 1629 new_node->state = mac_node->state; 1630 list_add_tail(&new_node->node, &tmp_add_list); 1631 break; 1632 default: 1633 break; 1634 } 1635 } 1636 1637 stop_traverse: 1638 spin_unlock_bh(&hdev->mac_table.mac_list_lock); 1639 1640 /* delete first, in order to get max mac table space for adding */ 1641 hclgevf_config_mac_list(hdev, &tmp_del_list, mac_type); 1642 hclgevf_config_mac_list(hdev, &tmp_add_list, mac_type); 1643 1644 /* if some mac addresses were added/deleted fail, move back to the 1645 * mac_list, and retry at next time. 1646 */ 1647 spin_lock_bh(&hdev->mac_table.mac_list_lock); 1648 1649 hclgevf_sync_from_del_list(&tmp_del_list, list); 1650 hclgevf_sync_from_add_list(&tmp_add_list, list); 1651 1652 spin_unlock_bh(&hdev->mac_table.mac_list_lock); 1653 } 1654 1655 static void hclgevf_sync_mac_table(struct hclgevf_dev *hdev) 1656 { 1657 hclgevf_sync_mac_list(hdev, HCLGEVF_MAC_ADDR_UC); 1658 hclgevf_sync_mac_list(hdev, HCLGEVF_MAC_ADDR_MC); 1659 } 1660 1661 static void hclgevf_uninit_mac_list(struct hclgevf_dev *hdev) 1662 { 1663 spin_lock_bh(&hdev->mac_table.mac_list_lock); 1664 1665 hclgevf_clear_list(&hdev->mac_table.uc_mac_list); 1666 hclgevf_clear_list(&hdev->mac_table.mc_mac_list); 1667 1668 spin_unlock_bh(&hdev->mac_table.mac_list_lock); 1669 } 1670 1671 static int hclgevf_enable_vlan_filter(struct hnae3_handle *handle, bool enable) 1672 { 1673 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 1674 struct hnae3_ae_dev *ae_dev = hdev->ae_dev; 1675 struct hclge_vf_to_pf_msg send_msg; 1676 1677 if (!test_bit(HNAE3_DEV_SUPPORT_VLAN_FLTR_MDF_B, ae_dev->caps)) 1678 return -EOPNOTSUPP; 1679 1680 hclgevf_build_send_msg(&send_msg, HCLGE_MBX_SET_VLAN, 1681 HCLGE_MBX_ENABLE_VLAN_FILTER); 1682 send_msg.data[0] = enable ? 1 : 0; 1683 1684 return hclgevf_send_mbx_msg(hdev, &send_msg, true, NULL, 0); 1685 } 1686 1687 static int hclgevf_set_vlan_filter(struct hnae3_handle *handle, 1688 __be16 proto, u16 vlan_id, 1689 bool is_kill) 1690 { 1691 #define HCLGEVF_VLAN_MBX_IS_KILL_OFFSET 0 1692 #define HCLGEVF_VLAN_MBX_VLAN_ID_OFFSET 1 1693 #define HCLGEVF_VLAN_MBX_PROTO_OFFSET 3 1694 1695 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 1696 struct hclge_vf_to_pf_msg send_msg; 1697 int ret; 1698 1699 if (vlan_id > HCLGEVF_MAX_VLAN_ID) 1700 return -EINVAL; 1701 1702 if (proto != htons(ETH_P_8021Q)) 1703 return -EPROTONOSUPPORT; 1704 1705 /* When device is resetting or reset failed, firmware is unable to 1706 * handle mailbox. Just record the vlan id, and remove it after 1707 * reset finished. 1708 */ 1709 if ((test_bit(HCLGEVF_STATE_RST_HANDLING, &hdev->state) || 1710 test_bit(HCLGEVF_STATE_RST_FAIL, &hdev->state)) && is_kill) { 1711 set_bit(vlan_id, hdev->vlan_del_fail_bmap); 1712 return -EBUSY; 1713 } 1714 1715 hclgevf_build_send_msg(&send_msg, HCLGE_MBX_SET_VLAN, 1716 HCLGE_MBX_VLAN_FILTER); 1717 send_msg.data[HCLGEVF_VLAN_MBX_IS_KILL_OFFSET] = is_kill; 1718 memcpy(&send_msg.data[HCLGEVF_VLAN_MBX_VLAN_ID_OFFSET], &vlan_id, 1719 sizeof(vlan_id)); 1720 memcpy(&send_msg.data[HCLGEVF_VLAN_MBX_PROTO_OFFSET], &proto, 1721 sizeof(proto)); 1722 /* when remove hw vlan filter failed, record the vlan id, 1723 * and try to remove it from hw later, to be consistence 1724 * with stack. 1725 */ 1726 ret = hclgevf_send_mbx_msg(hdev, &send_msg, true, NULL, 0); 1727 if (is_kill && ret) 1728 set_bit(vlan_id, hdev->vlan_del_fail_bmap); 1729 1730 return ret; 1731 } 1732 1733 static void hclgevf_sync_vlan_filter(struct hclgevf_dev *hdev) 1734 { 1735 #define HCLGEVF_MAX_SYNC_COUNT 60 1736 struct hnae3_handle *handle = &hdev->nic; 1737 int ret, sync_cnt = 0; 1738 u16 vlan_id; 1739 1740 vlan_id = find_first_bit(hdev->vlan_del_fail_bmap, VLAN_N_VID); 1741 while (vlan_id != VLAN_N_VID) { 1742 ret = hclgevf_set_vlan_filter(handle, htons(ETH_P_8021Q), 1743 vlan_id, true); 1744 if (ret) 1745 return; 1746 1747 clear_bit(vlan_id, hdev->vlan_del_fail_bmap); 1748 sync_cnt++; 1749 if (sync_cnt >= HCLGEVF_MAX_SYNC_COUNT) 1750 return; 1751 1752 vlan_id = find_first_bit(hdev->vlan_del_fail_bmap, VLAN_N_VID); 1753 } 1754 } 1755 1756 static int hclgevf_en_hw_strip_rxvtag(struct hnae3_handle *handle, bool enable) 1757 { 1758 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 1759 struct hclge_vf_to_pf_msg send_msg; 1760 1761 hclgevf_build_send_msg(&send_msg, HCLGE_MBX_SET_VLAN, 1762 HCLGE_MBX_VLAN_RX_OFF_CFG); 1763 send_msg.data[0] = enable ? 1 : 0; 1764 return hclgevf_send_mbx_msg(hdev, &send_msg, false, NULL, 0); 1765 } 1766 1767 static int hclgevf_reset_tqp(struct hnae3_handle *handle) 1768 { 1769 #define HCLGEVF_RESET_ALL_QUEUE_DONE 1U 1770 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 1771 struct hclge_vf_to_pf_msg send_msg; 1772 u8 return_status = 0; 1773 int ret; 1774 u16 i; 1775 1776 /* disable vf queue before send queue reset msg to PF */ 1777 ret = hclgevf_tqp_enable(handle, false); 1778 if (ret) { 1779 dev_err(&hdev->pdev->dev, "failed to disable tqp, ret = %d\n", 1780 ret); 1781 return ret; 1782 } 1783 1784 hclgevf_build_send_msg(&send_msg, HCLGE_MBX_QUEUE_RESET, 0); 1785 1786 ret = hclgevf_send_mbx_msg(hdev, &send_msg, true, &return_status, 1787 sizeof(return_status)); 1788 if (ret || return_status == HCLGEVF_RESET_ALL_QUEUE_DONE) 1789 return ret; 1790 1791 for (i = 1; i < handle->kinfo.num_tqps; i++) { 1792 hclgevf_build_send_msg(&send_msg, HCLGE_MBX_QUEUE_RESET, 0); 1793 memcpy(send_msg.data, &i, sizeof(i)); 1794 ret = hclgevf_send_mbx_msg(hdev, &send_msg, true, NULL, 0); 1795 if (ret) 1796 return ret; 1797 } 1798 1799 return 0; 1800 } 1801 1802 static int hclgevf_set_mtu(struct hnae3_handle *handle, int new_mtu) 1803 { 1804 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 1805 struct hclge_vf_to_pf_msg send_msg; 1806 1807 hclgevf_build_send_msg(&send_msg, HCLGE_MBX_SET_MTU, 0); 1808 memcpy(send_msg.data, &new_mtu, sizeof(new_mtu)); 1809 return hclgevf_send_mbx_msg(hdev, &send_msg, true, NULL, 0); 1810 } 1811 1812 static int hclgevf_notify_client(struct hclgevf_dev *hdev, 1813 enum hnae3_reset_notify_type type) 1814 { 1815 struct hnae3_client *client = hdev->nic_client; 1816 struct hnae3_handle *handle = &hdev->nic; 1817 int ret; 1818 1819 if (!test_bit(HCLGEVF_STATE_NIC_REGISTERED, &hdev->state) || 1820 !client) 1821 return 0; 1822 1823 if (!client->ops->reset_notify) 1824 return -EOPNOTSUPP; 1825 1826 ret = client->ops->reset_notify(handle, type); 1827 if (ret) 1828 dev_err(&hdev->pdev->dev, "notify nic client failed %d(%d)\n", 1829 type, ret); 1830 1831 return ret; 1832 } 1833 1834 static int hclgevf_notify_roce_client(struct hclgevf_dev *hdev, 1835 enum hnae3_reset_notify_type type) 1836 { 1837 struct hnae3_client *client = hdev->roce_client; 1838 struct hnae3_handle *handle = &hdev->roce; 1839 int ret; 1840 1841 if (!test_bit(HCLGEVF_STATE_ROCE_REGISTERED, &hdev->state) || !client) 1842 return 0; 1843 1844 if (!client->ops->reset_notify) 1845 return -EOPNOTSUPP; 1846 1847 ret = client->ops->reset_notify(handle, type); 1848 if (ret) 1849 dev_err(&hdev->pdev->dev, "notify roce client failed %d(%d)", 1850 type, ret); 1851 return ret; 1852 } 1853 1854 static int hclgevf_reset_wait(struct hclgevf_dev *hdev) 1855 { 1856 #define HCLGEVF_RESET_WAIT_US 20000 1857 #define HCLGEVF_RESET_WAIT_CNT 2000 1858 #define HCLGEVF_RESET_WAIT_TIMEOUT_US \ 1859 (HCLGEVF_RESET_WAIT_US * HCLGEVF_RESET_WAIT_CNT) 1860 1861 u32 val; 1862 int ret; 1863 1864 if (hdev->reset_type == HNAE3_VF_RESET) 1865 ret = readl_poll_timeout(hdev->hw.io_base + 1866 HCLGEVF_VF_RST_ING, val, 1867 !(val & HCLGEVF_VF_RST_ING_BIT), 1868 HCLGEVF_RESET_WAIT_US, 1869 HCLGEVF_RESET_WAIT_TIMEOUT_US); 1870 else 1871 ret = readl_poll_timeout(hdev->hw.io_base + 1872 HCLGEVF_RST_ING, val, 1873 !(val & HCLGEVF_RST_ING_BITS), 1874 HCLGEVF_RESET_WAIT_US, 1875 HCLGEVF_RESET_WAIT_TIMEOUT_US); 1876 1877 /* hardware completion status should be available by this time */ 1878 if (ret) { 1879 dev_err(&hdev->pdev->dev, 1880 "couldn't get reset done status from h/w, timeout!\n"); 1881 return ret; 1882 } 1883 1884 /* we will wait a bit more to let reset of the stack to complete. This 1885 * might happen in case reset assertion was made by PF. Yes, this also 1886 * means we might end up waiting bit more even for VF reset. 1887 */ 1888 msleep(5000); 1889 1890 return 0; 1891 } 1892 1893 static void hclgevf_reset_handshake(struct hclgevf_dev *hdev, bool enable) 1894 { 1895 u32 reg_val; 1896 1897 reg_val = hclgevf_read_dev(&hdev->hw, HCLGEVF_NIC_CSQ_DEPTH_REG); 1898 if (enable) 1899 reg_val |= HCLGEVF_NIC_SW_RST_RDY; 1900 else 1901 reg_val &= ~HCLGEVF_NIC_SW_RST_RDY; 1902 1903 hclgevf_write_dev(&hdev->hw, HCLGEVF_NIC_CSQ_DEPTH_REG, 1904 reg_val); 1905 } 1906 1907 static int hclgevf_reset_stack(struct hclgevf_dev *hdev) 1908 { 1909 int ret; 1910 1911 /* uninitialize the nic client */ 1912 ret = hclgevf_notify_client(hdev, HNAE3_UNINIT_CLIENT); 1913 if (ret) 1914 return ret; 1915 1916 /* re-initialize the hclge device */ 1917 ret = hclgevf_reset_hdev(hdev); 1918 if (ret) { 1919 dev_err(&hdev->pdev->dev, 1920 "hclge device re-init failed, VF is disabled!\n"); 1921 return ret; 1922 } 1923 1924 /* bring up the nic client again */ 1925 ret = hclgevf_notify_client(hdev, HNAE3_INIT_CLIENT); 1926 if (ret) 1927 return ret; 1928 1929 /* clear handshake status with IMP */ 1930 hclgevf_reset_handshake(hdev, false); 1931 1932 /* bring up the nic to enable TX/RX again */ 1933 return hclgevf_notify_client(hdev, HNAE3_UP_CLIENT); 1934 } 1935 1936 static int hclgevf_reset_prepare_wait(struct hclgevf_dev *hdev) 1937 { 1938 #define HCLGEVF_RESET_SYNC_TIME 100 1939 1940 if (hdev->reset_type == HNAE3_VF_FUNC_RESET) { 1941 struct hclge_vf_to_pf_msg send_msg; 1942 int ret; 1943 1944 hclgevf_build_send_msg(&send_msg, HCLGE_MBX_RESET, 0); 1945 ret = hclgevf_send_mbx_msg(hdev, &send_msg, true, NULL, 0); 1946 if (ret) { 1947 dev_err(&hdev->pdev->dev, 1948 "failed to assert VF reset, ret = %d\n", ret); 1949 return ret; 1950 } 1951 hdev->rst_stats.vf_func_rst_cnt++; 1952 } 1953 1954 set_bit(HCLGEVF_STATE_CMD_DISABLE, &hdev->state); 1955 /* inform hardware that preparatory work is done */ 1956 msleep(HCLGEVF_RESET_SYNC_TIME); 1957 hclgevf_reset_handshake(hdev, true); 1958 dev_info(&hdev->pdev->dev, "prepare reset(%d) wait done\n", 1959 hdev->reset_type); 1960 1961 return 0; 1962 } 1963 1964 static void hclgevf_dump_rst_info(struct hclgevf_dev *hdev) 1965 { 1966 dev_info(&hdev->pdev->dev, "VF function reset count: %u\n", 1967 hdev->rst_stats.vf_func_rst_cnt); 1968 dev_info(&hdev->pdev->dev, "FLR reset count: %u\n", 1969 hdev->rst_stats.flr_rst_cnt); 1970 dev_info(&hdev->pdev->dev, "VF reset count: %u\n", 1971 hdev->rst_stats.vf_rst_cnt); 1972 dev_info(&hdev->pdev->dev, "reset done count: %u\n", 1973 hdev->rst_stats.rst_done_cnt); 1974 dev_info(&hdev->pdev->dev, "HW reset done count: %u\n", 1975 hdev->rst_stats.hw_rst_done_cnt); 1976 dev_info(&hdev->pdev->dev, "reset count: %u\n", 1977 hdev->rst_stats.rst_cnt); 1978 dev_info(&hdev->pdev->dev, "reset fail count: %u\n", 1979 hdev->rst_stats.rst_fail_cnt); 1980 dev_info(&hdev->pdev->dev, "vector0 interrupt enable status: 0x%x\n", 1981 hclgevf_read_dev(&hdev->hw, HCLGEVF_MISC_VECTOR_REG_BASE)); 1982 dev_info(&hdev->pdev->dev, "vector0 interrupt status: 0x%x\n", 1983 hclgevf_read_dev(&hdev->hw, HCLGEVF_VECTOR0_CMDQ_STATE_REG)); 1984 dev_info(&hdev->pdev->dev, "handshake status: 0x%x\n", 1985 hclgevf_read_dev(&hdev->hw, HCLGEVF_NIC_CSQ_DEPTH_REG)); 1986 dev_info(&hdev->pdev->dev, "function reset status: 0x%x\n", 1987 hclgevf_read_dev(&hdev->hw, HCLGEVF_RST_ING)); 1988 dev_info(&hdev->pdev->dev, "hdev state: 0x%lx\n", hdev->state); 1989 } 1990 1991 static void hclgevf_reset_err_handle(struct hclgevf_dev *hdev) 1992 { 1993 /* recover handshake status with IMP when reset fail */ 1994 hclgevf_reset_handshake(hdev, true); 1995 hdev->rst_stats.rst_fail_cnt++; 1996 dev_err(&hdev->pdev->dev, "failed to reset VF(%u)\n", 1997 hdev->rst_stats.rst_fail_cnt); 1998 1999 if (hdev->rst_stats.rst_fail_cnt < HCLGEVF_RESET_MAX_FAIL_CNT) 2000 set_bit(hdev->reset_type, &hdev->reset_pending); 2001 2002 if (hclgevf_is_reset_pending(hdev)) { 2003 set_bit(HCLGEVF_RESET_PENDING, &hdev->reset_state); 2004 hclgevf_reset_task_schedule(hdev); 2005 } else { 2006 set_bit(HCLGEVF_STATE_RST_FAIL, &hdev->state); 2007 hclgevf_dump_rst_info(hdev); 2008 } 2009 } 2010 2011 static int hclgevf_reset_prepare(struct hclgevf_dev *hdev) 2012 { 2013 int ret; 2014 2015 hdev->rst_stats.rst_cnt++; 2016 2017 /* perform reset of the stack & ae device for a client */ 2018 ret = hclgevf_notify_roce_client(hdev, HNAE3_DOWN_CLIENT); 2019 if (ret) 2020 return ret; 2021 2022 rtnl_lock(); 2023 /* bring down the nic to stop any ongoing TX/RX */ 2024 ret = hclgevf_notify_client(hdev, HNAE3_DOWN_CLIENT); 2025 rtnl_unlock(); 2026 if (ret) 2027 return ret; 2028 2029 return hclgevf_reset_prepare_wait(hdev); 2030 } 2031 2032 static int hclgevf_reset_rebuild(struct hclgevf_dev *hdev) 2033 { 2034 int ret; 2035 2036 hdev->rst_stats.hw_rst_done_cnt++; 2037 ret = hclgevf_notify_roce_client(hdev, HNAE3_UNINIT_CLIENT); 2038 if (ret) 2039 return ret; 2040 2041 rtnl_lock(); 2042 /* now, re-initialize the nic client and ae device */ 2043 ret = hclgevf_reset_stack(hdev); 2044 rtnl_unlock(); 2045 if (ret) { 2046 dev_err(&hdev->pdev->dev, "failed to reset VF stack\n"); 2047 return ret; 2048 } 2049 2050 ret = hclgevf_notify_roce_client(hdev, HNAE3_INIT_CLIENT); 2051 /* ignore RoCE notify error if it fails HCLGEVF_RESET_MAX_FAIL_CNT - 1 2052 * times 2053 */ 2054 if (ret && 2055 hdev->rst_stats.rst_fail_cnt < HCLGEVF_RESET_MAX_FAIL_CNT - 1) 2056 return ret; 2057 2058 ret = hclgevf_notify_roce_client(hdev, HNAE3_UP_CLIENT); 2059 if (ret) 2060 return ret; 2061 2062 hdev->last_reset_time = jiffies; 2063 hdev->rst_stats.rst_done_cnt++; 2064 hdev->rst_stats.rst_fail_cnt = 0; 2065 clear_bit(HCLGEVF_STATE_RST_FAIL, &hdev->state); 2066 2067 return 0; 2068 } 2069 2070 static void hclgevf_reset(struct hclgevf_dev *hdev) 2071 { 2072 if (hclgevf_reset_prepare(hdev)) 2073 goto err_reset; 2074 2075 /* check if VF could successfully fetch the hardware reset completion 2076 * status from the hardware 2077 */ 2078 if (hclgevf_reset_wait(hdev)) { 2079 /* can't do much in this situation, will disable VF */ 2080 dev_err(&hdev->pdev->dev, 2081 "failed to fetch H/W reset completion status\n"); 2082 goto err_reset; 2083 } 2084 2085 if (hclgevf_reset_rebuild(hdev)) 2086 goto err_reset; 2087 2088 return; 2089 2090 err_reset: 2091 hclgevf_reset_err_handle(hdev); 2092 } 2093 2094 static enum hnae3_reset_type hclgevf_get_reset_level(struct hclgevf_dev *hdev, 2095 unsigned long *addr) 2096 { 2097 enum hnae3_reset_type rst_level = HNAE3_NONE_RESET; 2098 2099 /* return the highest priority reset level amongst all */ 2100 if (test_bit(HNAE3_VF_RESET, addr)) { 2101 rst_level = HNAE3_VF_RESET; 2102 clear_bit(HNAE3_VF_RESET, addr); 2103 clear_bit(HNAE3_VF_PF_FUNC_RESET, addr); 2104 clear_bit(HNAE3_VF_FUNC_RESET, addr); 2105 } else if (test_bit(HNAE3_VF_FULL_RESET, addr)) { 2106 rst_level = HNAE3_VF_FULL_RESET; 2107 clear_bit(HNAE3_VF_FULL_RESET, addr); 2108 clear_bit(HNAE3_VF_FUNC_RESET, addr); 2109 } else if (test_bit(HNAE3_VF_PF_FUNC_RESET, addr)) { 2110 rst_level = HNAE3_VF_PF_FUNC_RESET; 2111 clear_bit(HNAE3_VF_PF_FUNC_RESET, addr); 2112 clear_bit(HNAE3_VF_FUNC_RESET, addr); 2113 } else if (test_bit(HNAE3_VF_FUNC_RESET, addr)) { 2114 rst_level = HNAE3_VF_FUNC_RESET; 2115 clear_bit(HNAE3_VF_FUNC_RESET, addr); 2116 } else if (test_bit(HNAE3_FLR_RESET, addr)) { 2117 rst_level = HNAE3_FLR_RESET; 2118 clear_bit(HNAE3_FLR_RESET, addr); 2119 } 2120 2121 return rst_level; 2122 } 2123 2124 static void hclgevf_reset_event(struct pci_dev *pdev, 2125 struct hnae3_handle *handle) 2126 { 2127 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(pdev); 2128 struct hclgevf_dev *hdev = ae_dev->priv; 2129 2130 dev_info(&hdev->pdev->dev, "received reset request from VF enet\n"); 2131 2132 if (hdev->default_reset_request) 2133 hdev->reset_level = 2134 hclgevf_get_reset_level(hdev, 2135 &hdev->default_reset_request); 2136 else 2137 hdev->reset_level = HNAE3_VF_FUNC_RESET; 2138 2139 /* reset of this VF requested */ 2140 set_bit(HCLGEVF_RESET_REQUESTED, &hdev->reset_state); 2141 hclgevf_reset_task_schedule(hdev); 2142 2143 hdev->last_reset_time = jiffies; 2144 } 2145 2146 static void hclgevf_set_def_reset_request(struct hnae3_ae_dev *ae_dev, 2147 enum hnae3_reset_type rst_type) 2148 { 2149 struct hclgevf_dev *hdev = ae_dev->priv; 2150 2151 set_bit(rst_type, &hdev->default_reset_request); 2152 } 2153 2154 static void hclgevf_enable_vector(struct hclgevf_misc_vector *vector, bool en) 2155 { 2156 writel(en ? 1 : 0, vector->addr); 2157 } 2158 2159 static void hclgevf_reset_prepare_general(struct hnae3_ae_dev *ae_dev, 2160 enum hnae3_reset_type rst_type) 2161 { 2162 #define HCLGEVF_RESET_RETRY_WAIT_MS 500 2163 #define HCLGEVF_RESET_RETRY_CNT 5 2164 2165 struct hclgevf_dev *hdev = ae_dev->priv; 2166 int retry_cnt = 0; 2167 int ret; 2168 2169 retry: 2170 down(&hdev->reset_sem); 2171 set_bit(HCLGEVF_STATE_RST_HANDLING, &hdev->state); 2172 hdev->reset_type = rst_type; 2173 ret = hclgevf_reset_prepare(hdev); 2174 if (ret) { 2175 dev_err(&hdev->pdev->dev, "fail to prepare to reset, ret=%d\n", 2176 ret); 2177 if (hdev->reset_pending || 2178 retry_cnt++ < HCLGEVF_RESET_RETRY_CNT) { 2179 dev_err(&hdev->pdev->dev, 2180 "reset_pending:0x%lx, retry_cnt:%d\n", 2181 hdev->reset_pending, retry_cnt); 2182 clear_bit(HCLGEVF_STATE_RST_HANDLING, &hdev->state); 2183 up(&hdev->reset_sem); 2184 msleep(HCLGEVF_RESET_RETRY_WAIT_MS); 2185 goto retry; 2186 } 2187 } 2188 2189 /* disable misc vector before reset done */ 2190 hclgevf_enable_vector(&hdev->misc_vector, false); 2191 2192 if (hdev->reset_type == HNAE3_FLR_RESET) 2193 hdev->rst_stats.flr_rst_cnt++; 2194 } 2195 2196 static void hclgevf_reset_done(struct hnae3_ae_dev *ae_dev) 2197 { 2198 struct hclgevf_dev *hdev = ae_dev->priv; 2199 int ret; 2200 2201 hclgevf_enable_vector(&hdev->misc_vector, true); 2202 2203 ret = hclgevf_reset_rebuild(hdev); 2204 if (ret) 2205 dev_warn(&hdev->pdev->dev, "fail to rebuild, ret=%d\n", 2206 ret); 2207 2208 hdev->reset_type = HNAE3_NONE_RESET; 2209 clear_bit(HCLGEVF_STATE_RST_HANDLING, &hdev->state); 2210 up(&hdev->reset_sem); 2211 } 2212 2213 static u32 hclgevf_get_fw_version(struct hnae3_handle *handle) 2214 { 2215 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 2216 2217 return hdev->fw_version; 2218 } 2219 2220 static void hclgevf_get_misc_vector(struct hclgevf_dev *hdev) 2221 { 2222 struct hclgevf_misc_vector *vector = &hdev->misc_vector; 2223 2224 vector->vector_irq = pci_irq_vector(hdev->pdev, 2225 HCLGEVF_MISC_VECTOR_NUM); 2226 vector->addr = hdev->hw.io_base + HCLGEVF_MISC_VECTOR_REG_BASE; 2227 /* vector status always valid for Vector 0 */ 2228 hdev->vector_status[HCLGEVF_MISC_VECTOR_NUM] = 0; 2229 hdev->vector_irq[HCLGEVF_MISC_VECTOR_NUM] = vector->vector_irq; 2230 2231 hdev->num_msi_left -= 1; 2232 hdev->num_msi_used += 1; 2233 } 2234 2235 void hclgevf_reset_task_schedule(struct hclgevf_dev *hdev) 2236 { 2237 if (!test_bit(HCLGEVF_STATE_REMOVING, &hdev->state) && 2238 test_bit(HCLGEVF_STATE_SERVICE_INITED, &hdev->state) && 2239 !test_and_set_bit(HCLGEVF_STATE_RST_SERVICE_SCHED, 2240 &hdev->state)) 2241 mod_delayed_work(hclgevf_wq, &hdev->service_task, 0); 2242 } 2243 2244 void hclgevf_mbx_task_schedule(struct hclgevf_dev *hdev) 2245 { 2246 if (!test_bit(HCLGEVF_STATE_REMOVING, &hdev->state) && 2247 !test_and_set_bit(HCLGEVF_STATE_MBX_SERVICE_SCHED, 2248 &hdev->state)) 2249 mod_delayed_work(hclgevf_wq, &hdev->service_task, 0); 2250 } 2251 2252 static void hclgevf_task_schedule(struct hclgevf_dev *hdev, 2253 unsigned long delay) 2254 { 2255 if (!test_bit(HCLGEVF_STATE_REMOVING, &hdev->state) && 2256 !test_bit(HCLGEVF_STATE_RST_FAIL, &hdev->state)) 2257 mod_delayed_work(hclgevf_wq, &hdev->service_task, delay); 2258 } 2259 2260 static void hclgevf_reset_service_task(struct hclgevf_dev *hdev) 2261 { 2262 #define HCLGEVF_MAX_RESET_ATTEMPTS_CNT 3 2263 2264 if (!test_and_clear_bit(HCLGEVF_STATE_RST_SERVICE_SCHED, &hdev->state)) 2265 return; 2266 2267 down(&hdev->reset_sem); 2268 set_bit(HCLGEVF_STATE_RST_HANDLING, &hdev->state); 2269 2270 if (test_and_clear_bit(HCLGEVF_RESET_PENDING, 2271 &hdev->reset_state)) { 2272 /* PF has intimated that it is about to reset the hardware. 2273 * We now have to poll & check if hardware has actually 2274 * completed the reset sequence. On hardware reset completion, 2275 * VF needs to reset the client and ae device. 2276 */ 2277 hdev->reset_attempts = 0; 2278 2279 hdev->last_reset_time = jiffies; 2280 hdev->reset_type = 2281 hclgevf_get_reset_level(hdev, &hdev->reset_pending); 2282 if (hdev->reset_type != HNAE3_NONE_RESET) 2283 hclgevf_reset(hdev); 2284 } else if (test_and_clear_bit(HCLGEVF_RESET_REQUESTED, 2285 &hdev->reset_state)) { 2286 /* we could be here when either of below happens: 2287 * 1. reset was initiated due to watchdog timeout caused by 2288 * a. IMP was earlier reset and our TX got choked down and 2289 * which resulted in watchdog reacting and inducing VF 2290 * reset. This also means our cmdq would be unreliable. 2291 * b. problem in TX due to other lower layer(example link 2292 * layer not functioning properly etc.) 2293 * 2. VF reset might have been initiated due to some config 2294 * change. 2295 * 2296 * NOTE: Theres no clear way to detect above cases than to react 2297 * to the response of PF for this reset request. PF will ack the 2298 * 1b and 2. cases but we will not get any intimation about 1a 2299 * from PF as cmdq would be in unreliable state i.e. mailbox 2300 * communication between PF and VF would be broken. 2301 * 2302 * if we are never geting into pending state it means either: 2303 * 1. PF is not receiving our request which could be due to IMP 2304 * reset 2305 * 2. PF is screwed 2306 * We cannot do much for 2. but to check first we can try reset 2307 * our PCIe + stack and see if it alleviates the problem. 2308 */ 2309 if (hdev->reset_attempts > HCLGEVF_MAX_RESET_ATTEMPTS_CNT) { 2310 /* prepare for full reset of stack + pcie interface */ 2311 set_bit(HNAE3_VF_FULL_RESET, &hdev->reset_pending); 2312 2313 /* "defer" schedule the reset task again */ 2314 set_bit(HCLGEVF_RESET_PENDING, &hdev->reset_state); 2315 } else { 2316 hdev->reset_attempts++; 2317 2318 set_bit(hdev->reset_level, &hdev->reset_pending); 2319 set_bit(HCLGEVF_RESET_PENDING, &hdev->reset_state); 2320 } 2321 hclgevf_reset_task_schedule(hdev); 2322 } 2323 2324 hdev->reset_type = HNAE3_NONE_RESET; 2325 clear_bit(HCLGEVF_STATE_RST_HANDLING, &hdev->state); 2326 up(&hdev->reset_sem); 2327 } 2328 2329 static void hclgevf_mailbox_service_task(struct hclgevf_dev *hdev) 2330 { 2331 if (!test_and_clear_bit(HCLGEVF_STATE_MBX_SERVICE_SCHED, &hdev->state)) 2332 return; 2333 2334 if (test_and_set_bit(HCLGEVF_STATE_MBX_HANDLING, &hdev->state)) 2335 return; 2336 2337 hclgevf_mbx_async_handler(hdev); 2338 2339 clear_bit(HCLGEVF_STATE_MBX_HANDLING, &hdev->state); 2340 } 2341 2342 static void hclgevf_keep_alive(struct hclgevf_dev *hdev) 2343 { 2344 struct hclge_vf_to_pf_msg send_msg; 2345 int ret; 2346 2347 if (test_bit(HCLGEVF_STATE_CMD_DISABLE, &hdev->state)) 2348 return; 2349 2350 hclgevf_build_send_msg(&send_msg, HCLGE_MBX_KEEP_ALIVE, 0); 2351 ret = hclgevf_send_mbx_msg(hdev, &send_msg, false, NULL, 0); 2352 if (ret) 2353 dev_err(&hdev->pdev->dev, 2354 "VF sends keep alive cmd failed(=%d)\n", ret); 2355 } 2356 2357 static void hclgevf_periodic_service_task(struct hclgevf_dev *hdev) 2358 { 2359 unsigned long delta = round_jiffies_relative(HZ); 2360 struct hnae3_handle *handle = &hdev->nic; 2361 2362 if (test_bit(HCLGEVF_STATE_RST_FAIL, &hdev->state)) 2363 return; 2364 2365 if (time_is_after_jiffies(hdev->last_serv_processed + HZ)) { 2366 delta = jiffies - hdev->last_serv_processed; 2367 2368 if (delta < round_jiffies_relative(HZ)) { 2369 delta = round_jiffies_relative(HZ) - delta; 2370 goto out; 2371 } 2372 } 2373 2374 hdev->serv_processed_cnt++; 2375 if (!(hdev->serv_processed_cnt % HCLGEVF_KEEP_ALIVE_TASK_INTERVAL)) 2376 hclgevf_keep_alive(hdev); 2377 2378 if (test_bit(HCLGEVF_STATE_DOWN, &hdev->state)) { 2379 hdev->last_serv_processed = jiffies; 2380 goto out; 2381 } 2382 2383 if (!(hdev->serv_processed_cnt % HCLGEVF_STATS_TIMER_INTERVAL)) 2384 hclgevf_tqps_update_stats(handle); 2385 2386 /* VF does not need to request link status when this bit is set, because 2387 * PF will push its link status to VFs when link status changed. 2388 */ 2389 if (!test_bit(HCLGEVF_STATE_PF_PUSH_LINK_STATUS, &hdev->state)) 2390 hclgevf_request_link_info(hdev); 2391 2392 hclgevf_update_link_mode(hdev); 2393 2394 hclgevf_sync_vlan_filter(hdev); 2395 2396 hclgevf_sync_mac_table(hdev); 2397 2398 hclgevf_sync_promisc_mode(hdev); 2399 2400 hdev->last_serv_processed = jiffies; 2401 2402 out: 2403 hclgevf_task_schedule(hdev, delta); 2404 } 2405 2406 static void hclgevf_service_task(struct work_struct *work) 2407 { 2408 struct hclgevf_dev *hdev = container_of(work, struct hclgevf_dev, 2409 service_task.work); 2410 2411 hclgevf_reset_service_task(hdev); 2412 hclgevf_mailbox_service_task(hdev); 2413 hclgevf_periodic_service_task(hdev); 2414 2415 /* Handle reset and mbx again in case periodical task delays the 2416 * handling by calling hclgevf_task_schedule() in 2417 * hclgevf_periodic_service_task() 2418 */ 2419 hclgevf_reset_service_task(hdev); 2420 hclgevf_mailbox_service_task(hdev); 2421 } 2422 2423 static void hclgevf_clear_event_cause(struct hclgevf_dev *hdev, u32 regclr) 2424 { 2425 hclgevf_write_dev(&hdev->hw, HCLGEVF_VECTOR0_CMDQ_SRC_REG, regclr); 2426 } 2427 2428 static enum hclgevf_evt_cause hclgevf_check_evt_cause(struct hclgevf_dev *hdev, 2429 u32 *clearval) 2430 { 2431 u32 val, cmdq_stat_reg, rst_ing_reg; 2432 2433 /* fetch the events from their corresponding regs */ 2434 cmdq_stat_reg = hclgevf_read_dev(&hdev->hw, 2435 HCLGEVF_VECTOR0_CMDQ_STATE_REG); 2436 if (BIT(HCLGEVF_VECTOR0_RST_INT_B) & cmdq_stat_reg) { 2437 rst_ing_reg = hclgevf_read_dev(&hdev->hw, HCLGEVF_RST_ING); 2438 dev_info(&hdev->pdev->dev, 2439 "receive reset interrupt 0x%x!\n", rst_ing_reg); 2440 set_bit(HNAE3_VF_RESET, &hdev->reset_pending); 2441 set_bit(HCLGEVF_RESET_PENDING, &hdev->reset_state); 2442 set_bit(HCLGEVF_STATE_CMD_DISABLE, &hdev->state); 2443 *clearval = ~(1U << HCLGEVF_VECTOR0_RST_INT_B); 2444 hdev->rst_stats.vf_rst_cnt++; 2445 /* set up VF hardware reset status, its PF will clear 2446 * this status when PF has initialized done. 2447 */ 2448 val = hclgevf_read_dev(&hdev->hw, HCLGEVF_VF_RST_ING); 2449 hclgevf_write_dev(&hdev->hw, HCLGEVF_VF_RST_ING, 2450 val | HCLGEVF_VF_RST_ING_BIT); 2451 return HCLGEVF_VECTOR0_EVENT_RST; 2452 } 2453 2454 /* check for vector0 mailbox(=CMDQ RX) event source */ 2455 if (BIT(HCLGEVF_VECTOR0_RX_CMDQ_INT_B) & cmdq_stat_reg) { 2456 /* for revision 0x21, clearing interrupt is writing bit 0 2457 * to the clear register, writing bit 1 means to keep the 2458 * old value. 2459 * for revision 0x20, the clear register is a read & write 2460 * register, so we should just write 0 to the bit we are 2461 * handling, and keep other bits as cmdq_stat_reg. 2462 */ 2463 if (hdev->ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V2) 2464 *clearval = ~(1U << HCLGEVF_VECTOR0_RX_CMDQ_INT_B); 2465 else 2466 *clearval = cmdq_stat_reg & 2467 ~BIT(HCLGEVF_VECTOR0_RX_CMDQ_INT_B); 2468 2469 return HCLGEVF_VECTOR0_EVENT_MBX; 2470 } 2471 2472 /* print other vector0 event source */ 2473 dev_info(&hdev->pdev->dev, 2474 "vector 0 interrupt from unknown source, cmdq_src = %#x\n", 2475 cmdq_stat_reg); 2476 2477 return HCLGEVF_VECTOR0_EVENT_OTHER; 2478 } 2479 2480 static irqreturn_t hclgevf_misc_irq_handle(int irq, void *data) 2481 { 2482 enum hclgevf_evt_cause event_cause; 2483 struct hclgevf_dev *hdev = data; 2484 u32 clearval; 2485 2486 hclgevf_enable_vector(&hdev->misc_vector, false); 2487 event_cause = hclgevf_check_evt_cause(hdev, &clearval); 2488 if (event_cause != HCLGEVF_VECTOR0_EVENT_OTHER) 2489 hclgevf_clear_event_cause(hdev, clearval); 2490 2491 switch (event_cause) { 2492 case HCLGEVF_VECTOR0_EVENT_RST: 2493 hclgevf_reset_task_schedule(hdev); 2494 break; 2495 case HCLGEVF_VECTOR0_EVENT_MBX: 2496 hclgevf_mbx_handler(hdev); 2497 break; 2498 default: 2499 break; 2500 } 2501 2502 hclgevf_enable_vector(&hdev->misc_vector, true); 2503 2504 return IRQ_HANDLED; 2505 } 2506 2507 static int hclgevf_configure(struct hclgevf_dev *hdev) 2508 { 2509 int ret; 2510 2511 hdev->gro_en = true; 2512 2513 ret = hclgevf_get_basic_info(hdev); 2514 if (ret) 2515 return ret; 2516 2517 /* get current port based vlan state from PF */ 2518 ret = hclgevf_get_port_base_vlan_filter_state(hdev); 2519 if (ret) 2520 return ret; 2521 2522 /* get queue configuration from PF */ 2523 ret = hclgevf_get_queue_info(hdev); 2524 if (ret) 2525 return ret; 2526 2527 /* get queue depth info from PF */ 2528 ret = hclgevf_get_queue_depth(hdev); 2529 if (ret) 2530 return ret; 2531 2532 return hclgevf_get_pf_media_type(hdev); 2533 } 2534 2535 static int hclgevf_alloc_hdev(struct hnae3_ae_dev *ae_dev) 2536 { 2537 struct pci_dev *pdev = ae_dev->pdev; 2538 struct hclgevf_dev *hdev; 2539 2540 hdev = devm_kzalloc(&pdev->dev, sizeof(*hdev), GFP_KERNEL); 2541 if (!hdev) 2542 return -ENOMEM; 2543 2544 hdev->pdev = pdev; 2545 hdev->ae_dev = ae_dev; 2546 ae_dev->priv = hdev; 2547 2548 return 0; 2549 } 2550 2551 static int hclgevf_init_roce_base_info(struct hclgevf_dev *hdev) 2552 { 2553 struct hnae3_handle *roce = &hdev->roce; 2554 struct hnae3_handle *nic = &hdev->nic; 2555 2556 roce->rinfo.num_vectors = hdev->num_roce_msix; 2557 2558 if (hdev->num_msi_left < roce->rinfo.num_vectors || 2559 hdev->num_msi_left == 0) 2560 return -EINVAL; 2561 2562 roce->rinfo.base_vector = hdev->roce_base_msix_offset; 2563 2564 roce->rinfo.netdev = nic->kinfo.netdev; 2565 roce->rinfo.roce_io_base = hdev->hw.io_base; 2566 roce->rinfo.roce_mem_base = hdev->hw.mem_base; 2567 2568 roce->pdev = nic->pdev; 2569 roce->ae_algo = nic->ae_algo; 2570 roce->numa_node_mask = nic->numa_node_mask; 2571 2572 return 0; 2573 } 2574 2575 static int hclgevf_config_gro(struct hclgevf_dev *hdev) 2576 { 2577 struct hclgevf_cfg_gro_status_cmd *req; 2578 struct hclgevf_desc desc; 2579 int ret; 2580 2581 if (!hnae3_dev_gro_supported(hdev)) 2582 return 0; 2583 2584 hclgevf_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_GRO_GENERIC_CONFIG, 2585 false); 2586 req = (struct hclgevf_cfg_gro_status_cmd *)desc.data; 2587 2588 req->gro_en = hdev->gro_en ? 1 : 0; 2589 2590 ret = hclgevf_cmd_send(&hdev->hw, &desc, 1); 2591 if (ret) 2592 dev_err(&hdev->pdev->dev, 2593 "VF GRO hardware config cmd failed, ret = %d.\n", ret); 2594 2595 return ret; 2596 } 2597 2598 static int hclgevf_rss_init_cfg(struct hclgevf_dev *hdev) 2599 { 2600 u16 rss_ind_tbl_size = hdev->ae_dev->dev_specs.rss_ind_tbl_size; 2601 struct hclgevf_rss_cfg *rss_cfg = &hdev->rss_cfg; 2602 struct hclgevf_rss_tuple_cfg *tuple_sets; 2603 u32 i; 2604 2605 rss_cfg->hash_algo = HCLGEVF_RSS_HASH_ALGO_TOEPLITZ; 2606 rss_cfg->rss_size = hdev->nic.kinfo.rss_size; 2607 tuple_sets = &rss_cfg->rss_tuple_sets; 2608 if (hdev->ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V2) { 2609 u8 *rss_ind_tbl; 2610 2611 rss_cfg->hash_algo = HCLGEVF_RSS_HASH_ALGO_SIMPLE; 2612 2613 rss_ind_tbl = devm_kcalloc(&hdev->pdev->dev, rss_ind_tbl_size, 2614 sizeof(*rss_ind_tbl), GFP_KERNEL); 2615 if (!rss_ind_tbl) 2616 return -ENOMEM; 2617 2618 rss_cfg->rss_indirection_tbl = rss_ind_tbl; 2619 memcpy(rss_cfg->rss_hash_key, hclgevf_hash_key, 2620 HCLGEVF_RSS_KEY_SIZE); 2621 2622 tuple_sets->ipv4_tcp_en = HCLGEVF_RSS_INPUT_TUPLE_OTHER; 2623 tuple_sets->ipv4_udp_en = HCLGEVF_RSS_INPUT_TUPLE_OTHER; 2624 tuple_sets->ipv4_sctp_en = HCLGEVF_RSS_INPUT_TUPLE_SCTP; 2625 tuple_sets->ipv4_fragment_en = HCLGEVF_RSS_INPUT_TUPLE_OTHER; 2626 tuple_sets->ipv6_tcp_en = HCLGEVF_RSS_INPUT_TUPLE_OTHER; 2627 tuple_sets->ipv6_udp_en = HCLGEVF_RSS_INPUT_TUPLE_OTHER; 2628 tuple_sets->ipv6_sctp_en = 2629 hdev->ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2 ? 2630 HCLGEVF_RSS_INPUT_TUPLE_SCTP_NO_PORT : 2631 HCLGEVF_RSS_INPUT_TUPLE_SCTP; 2632 tuple_sets->ipv6_fragment_en = HCLGEVF_RSS_INPUT_TUPLE_OTHER; 2633 } 2634 2635 /* Initialize RSS indirect table */ 2636 for (i = 0; i < rss_ind_tbl_size; i++) 2637 rss_cfg->rss_indirection_tbl[i] = i % rss_cfg->rss_size; 2638 2639 return 0; 2640 } 2641 2642 static int hclgevf_rss_init_hw(struct hclgevf_dev *hdev) 2643 { 2644 struct hclgevf_rss_cfg *rss_cfg = &hdev->rss_cfg; 2645 int ret; 2646 2647 if (hdev->ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V2) { 2648 ret = hclgevf_set_rss_algo_key(hdev, rss_cfg->hash_algo, 2649 rss_cfg->rss_hash_key); 2650 if (ret) 2651 return ret; 2652 2653 ret = hclgevf_set_rss_input_tuple(hdev, rss_cfg); 2654 if (ret) 2655 return ret; 2656 } 2657 2658 ret = hclgevf_set_rss_indir_table(hdev); 2659 if (ret) 2660 return ret; 2661 2662 return hclgevf_set_rss_tc_mode(hdev, rss_cfg->rss_size); 2663 } 2664 2665 static int hclgevf_init_vlan_config(struct hclgevf_dev *hdev) 2666 { 2667 struct hnae3_handle *nic = &hdev->nic; 2668 int ret; 2669 2670 ret = hclgevf_en_hw_strip_rxvtag(nic, true); 2671 if (ret) { 2672 dev_err(&hdev->pdev->dev, 2673 "failed to enable rx vlan offload, ret = %d\n", ret); 2674 return ret; 2675 } 2676 2677 return hclgevf_set_vlan_filter(&hdev->nic, htons(ETH_P_8021Q), 0, 2678 false); 2679 } 2680 2681 static void hclgevf_flush_link_update(struct hclgevf_dev *hdev) 2682 { 2683 #define HCLGEVF_FLUSH_LINK_TIMEOUT 100000 2684 2685 unsigned long last = hdev->serv_processed_cnt; 2686 int i = 0; 2687 2688 while (test_bit(HCLGEVF_STATE_LINK_UPDATING, &hdev->state) && 2689 i++ < HCLGEVF_FLUSH_LINK_TIMEOUT && 2690 last == hdev->serv_processed_cnt) 2691 usleep_range(1, 1); 2692 } 2693 2694 static void hclgevf_set_timer_task(struct hnae3_handle *handle, bool enable) 2695 { 2696 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 2697 2698 if (enable) { 2699 hclgevf_task_schedule(hdev, 0); 2700 } else { 2701 set_bit(HCLGEVF_STATE_DOWN, &hdev->state); 2702 2703 /* flush memory to make sure DOWN is seen by service task */ 2704 smp_mb__before_atomic(); 2705 hclgevf_flush_link_update(hdev); 2706 } 2707 } 2708 2709 static int hclgevf_ae_start(struct hnae3_handle *handle) 2710 { 2711 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 2712 2713 clear_bit(HCLGEVF_STATE_DOWN, &hdev->state); 2714 clear_bit(HCLGEVF_STATE_PF_PUSH_LINK_STATUS, &hdev->state); 2715 2716 hclgevf_reset_tqp_stats(handle); 2717 2718 hclgevf_request_link_info(hdev); 2719 2720 hclgevf_update_link_mode(hdev); 2721 2722 return 0; 2723 } 2724 2725 static void hclgevf_ae_stop(struct hnae3_handle *handle) 2726 { 2727 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 2728 2729 set_bit(HCLGEVF_STATE_DOWN, &hdev->state); 2730 2731 if (hdev->reset_type != HNAE3_VF_RESET) 2732 hclgevf_reset_tqp(handle); 2733 2734 hclgevf_reset_tqp_stats(handle); 2735 hclgevf_update_link_status(hdev, 0); 2736 } 2737 2738 static int hclgevf_set_alive(struct hnae3_handle *handle, bool alive) 2739 { 2740 #define HCLGEVF_STATE_ALIVE 1 2741 #define HCLGEVF_STATE_NOT_ALIVE 0 2742 2743 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 2744 struct hclge_vf_to_pf_msg send_msg; 2745 2746 hclgevf_build_send_msg(&send_msg, HCLGE_MBX_SET_ALIVE, 0); 2747 send_msg.data[0] = alive ? HCLGEVF_STATE_ALIVE : 2748 HCLGEVF_STATE_NOT_ALIVE; 2749 return hclgevf_send_mbx_msg(hdev, &send_msg, false, NULL, 0); 2750 } 2751 2752 static int hclgevf_client_start(struct hnae3_handle *handle) 2753 { 2754 return hclgevf_set_alive(handle, true); 2755 } 2756 2757 static void hclgevf_client_stop(struct hnae3_handle *handle) 2758 { 2759 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 2760 int ret; 2761 2762 ret = hclgevf_set_alive(handle, false); 2763 if (ret) 2764 dev_warn(&hdev->pdev->dev, 2765 "%s failed %d\n", __func__, ret); 2766 } 2767 2768 static void hclgevf_state_init(struct hclgevf_dev *hdev) 2769 { 2770 clear_bit(HCLGEVF_STATE_MBX_SERVICE_SCHED, &hdev->state); 2771 clear_bit(HCLGEVF_STATE_MBX_HANDLING, &hdev->state); 2772 clear_bit(HCLGEVF_STATE_RST_FAIL, &hdev->state); 2773 2774 INIT_DELAYED_WORK(&hdev->service_task, hclgevf_service_task); 2775 2776 mutex_init(&hdev->mbx_resp.mbx_mutex); 2777 sema_init(&hdev->reset_sem, 1); 2778 2779 spin_lock_init(&hdev->mac_table.mac_list_lock); 2780 INIT_LIST_HEAD(&hdev->mac_table.uc_mac_list); 2781 INIT_LIST_HEAD(&hdev->mac_table.mc_mac_list); 2782 2783 /* bring the device down */ 2784 set_bit(HCLGEVF_STATE_DOWN, &hdev->state); 2785 } 2786 2787 static void hclgevf_state_uninit(struct hclgevf_dev *hdev) 2788 { 2789 set_bit(HCLGEVF_STATE_DOWN, &hdev->state); 2790 set_bit(HCLGEVF_STATE_REMOVING, &hdev->state); 2791 2792 if (hdev->service_task.work.func) 2793 cancel_delayed_work_sync(&hdev->service_task); 2794 2795 mutex_destroy(&hdev->mbx_resp.mbx_mutex); 2796 } 2797 2798 static int hclgevf_init_msi(struct hclgevf_dev *hdev) 2799 { 2800 struct pci_dev *pdev = hdev->pdev; 2801 int vectors; 2802 int i; 2803 2804 if (hnae3_dev_roce_supported(hdev)) 2805 vectors = pci_alloc_irq_vectors(pdev, 2806 hdev->roce_base_msix_offset + 1, 2807 hdev->num_msi, 2808 PCI_IRQ_MSIX); 2809 else 2810 vectors = pci_alloc_irq_vectors(pdev, HNAE3_MIN_VECTOR_NUM, 2811 hdev->num_msi, 2812 PCI_IRQ_MSI | PCI_IRQ_MSIX); 2813 2814 if (vectors < 0) { 2815 dev_err(&pdev->dev, 2816 "failed(%d) to allocate MSI/MSI-X vectors\n", 2817 vectors); 2818 return vectors; 2819 } 2820 if (vectors < hdev->num_msi) 2821 dev_warn(&hdev->pdev->dev, 2822 "requested %u MSI/MSI-X, but allocated %d MSI/MSI-X\n", 2823 hdev->num_msi, vectors); 2824 2825 hdev->num_msi = vectors; 2826 hdev->num_msi_left = vectors; 2827 2828 hdev->vector_status = devm_kcalloc(&pdev->dev, hdev->num_msi, 2829 sizeof(u16), GFP_KERNEL); 2830 if (!hdev->vector_status) { 2831 pci_free_irq_vectors(pdev); 2832 return -ENOMEM; 2833 } 2834 2835 for (i = 0; i < hdev->num_msi; i++) 2836 hdev->vector_status[i] = HCLGEVF_INVALID_VPORT; 2837 2838 hdev->vector_irq = devm_kcalloc(&pdev->dev, hdev->num_msi, 2839 sizeof(int), GFP_KERNEL); 2840 if (!hdev->vector_irq) { 2841 devm_kfree(&pdev->dev, hdev->vector_status); 2842 pci_free_irq_vectors(pdev); 2843 return -ENOMEM; 2844 } 2845 2846 return 0; 2847 } 2848 2849 static void hclgevf_uninit_msi(struct hclgevf_dev *hdev) 2850 { 2851 struct pci_dev *pdev = hdev->pdev; 2852 2853 devm_kfree(&pdev->dev, hdev->vector_status); 2854 devm_kfree(&pdev->dev, hdev->vector_irq); 2855 pci_free_irq_vectors(pdev); 2856 } 2857 2858 static int hclgevf_misc_irq_init(struct hclgevf_dev *hdev) 2859 { 2860 int ret; 2861 2862 hclgevf_get_misc_vector(hdev); 2863 2864 snprintf(hdev->misc_vector.name, HNAE3_INT_NAME_LEN, "%s-misc-%s", 2865 HCLGEVF_NAME, pci_name(hdev->pdev)); 2866 ret = request_irq(hdev->misc_vector.vector_irq, hclgevf_misc_irq_handle, 2867 0, hdev->misc_vector.name, hdev); 2868 if (ret) { 2869 dev_err(&hdev->pdev->dev, "VF failed to request misc irq(%d)\n", 2870 hdev->misc_vector.vector_irq); 2871 return ret; 2872 } 2873 2874 hclgevf_clear_event_cause(hdev, 0); 2875 2876 /* enable misc. vector(vector 0) */ 2877 hclgevf_enable_vector(&hdev->misc_vector, true); 2878 2879 return ret; 2880 } 2881 2882 static void hclgevf_misc_irq_uninit(struct hclgevf_dev *hdev) 2883 { 2884 /* disable misc vector(vector 0) */ 2885 hclgevf_enable_vector(&hdev->misc_vector, false); 2886 synchronize_irq(hdev->misc_vector.vector_irq); 2887 free_irq(hdev->misc_vector.vector_irq, hdev); 2888 hclgevf_free_vector(hdev, 0); 2889 } 2890 2891 static void hclgevf_info_show(struct hclgevf_dev *hdev) 2892 { 2893 struct device *dev = &hdev->pdev->dev; 2894 2895 dev_info(dev, "VF info begin:\n"); 2896 2897 dev_info(dev, "Task queue pairs numbers: %u\n", hdev->num_tqps); 2898 dev_info(dev, "Desc num per TX queue: %u\n", hdev->num_tx_desc); 2899 dev_info(dev, "Desc num per RX queue: %u\n", hdev->num_rx_desc); 2900 dev_info(dev, "Numbers of vports: %u\n", hdev->num_alloc_vport); 2901 dev_info(dev, "HW tc map: 0x%x\n", hdev->hw_tc_map); 2902 dev_info(dev, "PF media type of this VF: %u\n", 2903 hdev->hw.mac.media_type); 2904 2905 dev_info(dev, "VF info end.\n"); 2906 } 2907 2908 static int hclgevf_init_nic_client_instance(struct hnae3_ae_dev *ae_dev, 2909 struct hnae3_client *client) 2910 { 2911 struct hclgevf_dev *hdev = ae_dev->priv; 2912 int rst_cnt = hdev->rst_stats.rst_cnt; 2913 int ret; 2914 2915 ret = client->ops->init_instance(&hdev->nic); 2916 if (ret) 2917 return ret; 2918 2919 set_bit(HCLGEVF_STATE_NIC_REGISTERED, &hdev->state); 2920 if (test_bit(HCLGEVF_STATE_RST_HANDLING, &hdev->state) || 2921 rst_cnt != hdev->rst_stats.rst_cnt) { 2922 clear_bit(HCLGEVF_STATE_NIC_REGISTERED, &hdev->state); 2923 2924 client->ops->uninit_instance(&hdev->nic, 0); 2925 return -EBUSY; 2926 } 2927 2928 hnae3_set_client_init_flag(client, ae_dev, 1); 2929 2930 if (netif_msg_drv(&hdev->nic)) 2931 hclgevf_info_show(hdev); 2932 2933 return 0; 2934 } 2935 2936 static int hclgevf_init_roce_client_instance(struct hnae3_ae_dev *ae_dev, 2937 struct hnae3_client *client) 2938 { 2939 struct hclgevf_dev *hdev = ae_dev->priv; 2940 int ret; 2941 2942 if (!hnae3_dev_roce_supported(hdev) || !hdev->roce_client || 2943 !hdev->nic_client) 2944 return 0; 2945 2946 ret = hclgevf_init_roce_base_info(hdev); 2947 if (ret) 2948 return ret; 2949 2950 ret = client->ops->init_instance(&hdev->roce); 2951 if (ret) 2952 return ret; 2953 2954 set_bit(HCLGEVF_STATE_ROCE_REGISTERED, &hdev->state); 2955 hnae3_set_client_init_flag(client, ae_dev, 1); 2956 2957 return 0; 2958 } 2959 2960 static int hclgevf_init_client_instance(struct hnae3_client *client, 2961 struct hnae3_ae_dev *ae_dev) 2962 { 2963 struct hclgevf_dev *hdev = ae_dev->priv; 2964 int ret; 2965 2966 switch (client->type) { 2967 case HNAE3_CLIENT_KNIC: 2968 hdev->nic_client = client; 2969 hdev->nic.client = client; 2970 2971 ret = hclgevf_init_nic_client_instance(ae_dev, client); 2972 if (ret) 2973 goto clear_nic; 2974 2975 ret = hclgevf_init_roce_client_instance(ae_dev, 2976 hdev->roce_client); 2977 if (ret) 2978 goto clear_roce; 2979 2980 break; 2981 case HNAE3_CLIENT_ROCE: 2982 if (hnae3_dev_roce_supported(hdev)) { 2983 hdev->roce_client = client; 2984 hdev->roce.client = client; 2985 } 2986 2987 ret = hclgevf_init_roce_client_instance(ae_dev, client); 2988 if (ret) 2989 goto clear_roce; 2990 2991 break; 2992 default: 2993 return -EINVAL; 2994 } 2995 2996 return 0; 2997 2998 clear_nic: 2999 hdev->nic_client = NULL; 3000 hdev->nic.client = NULL; 3001 return ret; 3002 clear_roce: 3003 hdev->roce_client = NULL; 3004 hdev->roce.client = NULL; 3005 return ret; 3006 } 3007 3008 static void hclgevf_uninit_client_instance(struct hnae3_client *client, 3009 struct hnae3_ae_dev *ae_dev) 3010 { 3011 struct hclgevf_dev *hdev = ae_dev->priv; 3012 3013 /* un-init roce, if it exists */ 3014 if (hdev->roce_client) { 3015 while (test_bit(HCLGEVF_STATE_RST_HANDLING, &hdev->state)) 3016 msleep(HCLGEVF_WAIT_RESET_DONE); 3017 clear_bit(HCLGEVF_STATE_ROCE_REGISTERED, &hdev->state); 3018 3019 hdev->roce_client->ops->uninit_instance(&hdev->roce, 0); 3020 hdev->roce_client = NULL; 3021 hdev->roce.client = NULL; 3022 } 3023 3024 /* un-init nic/unic, if this was not called by roce client */ 3025 if (client->ops->uninit_instance && hdev->nic_client && 3026 client->type != HNAE3_CLIENT_ROCE) { 3027 while (test_bit(HCLGEVF_STATE_RST_HANDLING, &hdev->state)) 3028 msleep(HCLGEVF_WAIT_RESET_DONE); 3029 clear_bit(HCLGEVF_STATE_NIC_REGISTERED, &hdev->state); 3030 3031 client->ops->uninit_instance(&hdev->nic, 0); 3032 hdev->nic_client = NULL; 3033 hdev->nic.client = NULL; 3034 } 3035 } 3036 3037 static int hclgevf_dev_mem_map(struct hclgevf_dev *hdev) 3038 { 3039 #define HCLGEVF_MEM_BAR 4 3040 3041 struct pci_dev *pdev = hdev->pdev; 3042 struct hclgevf_hw *hw = &hdev->hw; 3043 3044 /* for device does not have device memory, return directly */ 3045 if (!(pci_select_bars(pdev, IORESOURCE_MEM) & BIT(HCLGEVF_MEM_BAR))) 3046 return 0; 3047 3048 hw->mem_base = devm_ioremap_wc(&pdev->dev, 3049 pci_resource_start(pdev, 3050 HCLGEVF_MEM_BAR), 3051 pci_resource_len(pdev, HCLGEVF_MEM_BAR)); 3052 if (!hw->mem_base) { 3053 dev_err(&pdev->dev, "failed to map device memory\n"); 3054 return -EFAULT; 3055 } 3056 3057 return 0; 3058 } 3059 3060 static int hclgevf_pci_init(struct hclgevf_dev *hdev) 3061 { 3062 struct pci_dev *pdev = hdev->pdev; 3063 struct hclgevf_hw *hw; 3064 int ret; 3065 3066 ret = pci_enable_device(pdev); 3067 if (ret) { 3068 dev_err(&pdev->dev, "failed to enable PCI device\n"); 3069 return ret; 3070 } 3071 3072 ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); 3073 if (ret) { 3074 dev_err(&pdev->dev, "can't set consistent PCI DMA, exiting"); 3075 goto err_disable_device; 3076 } 3077 3078 ret = pci_request_regions(pdev, HCLGEVF_DRIVER_NAME); 3079 if (ret) { 3080 dev_err(&pdev->dev, "PCI request regions failed %d\n", ret); 3081 goto err_disable_device; 3082 } 3083 3084 pci_set_master(pdev); 3085 hw = &hdev->hw; 3086 hw->hdev = hdev; 3087 hw->io_base = pci_iomap(pdev, 2, 0); 3088 if (!hw->io_base) { 3089 dev_err(&pdev->dev, "can't map configuration register space\n"); 3090 ret = -ENOMEM; 3091 goto err_clr_master; 3092 } 3093 3094 ret = hclgevf_dev_mem_map(hdev); 3095 if (ret) 3096 goto err_unmap_io_base; 3097 3098 return 0; 3099 3100 err_unmap_io_base: 3101 pci_iounmap(pdev, hdev->hw.io_base); 3102 err_clr_master: 3103 pci_clear_master(pdev); 3104 pci_release_regions(pdev); 3105 err_disable_device: 3106 pci_disable_device(pdev); 3107 3108 return ret; 3109 } 3110 3111 static void hclgevf_pci_uninit(struct hclgevf_dev *hdev) 3112 { 3113 struct pci_dev *pdev = hdev->pdev; 3114 3115 if (hdev->hw.mem_base) 3116 devm_iounmap(&pdev->dev, hdev->hw.mem_base); 3117 3118 pci_iounmap(pdev, hdev->hw.io_base); 3119 pci_clear_master(pdev); 3120 pci_release_regions(pdev); 3121 pci_disable_device(pdev); 3122 } 3123 3124 static int hclgevf_query_vf_resource(struct hclgevf_dev *hdev) 3125 { 3126 struct hclgevf_query_res_cmd *req; 3127 struct hclgevf_desc desc; 3128 int ret; 3129 3130 hclgevf_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_QUERY_VF_RSRC, true); 3131 ret = hclgevf_cmd_send(&hdev->hw, &desc, 1); 3132 if (ret) { 3133 dev_err(&hdev->pdev->dev, 3134 "query vf resource failed, ret = %d.\n", ret); 3135 return ret; 3136 } 3137 3138 req = (struct hclgevf_query_res_cmd *)desc.data; 3139 3140 if (hnae3_dev_roce_supported(hdev)) { 3141 hdev->roce_base_msix_offset = 3142 hnae3_get_field(le16_to_cpu(req->msixcap_localid_ba_rocee), 3143 HCLGEVF_MSIX_OFT_ROCEE_M, 3144 HCLGEVF_MSIX_OFT_ROCEE_S); 3145 hdev->num_roce_msix = 3146 hnae3_get_field(le16_to_cpu(req->vf_intr_vector_number), 3147 HCLGEVF_VEC_NUM_M, HCLGEVF_VEC_NUM_S); 3148 3149 /* nic's msix numbers is always equals to the roce's. */ 3150 hdev->num_nic_msix = hdev->num_roce_msix; 3151 3152 /* VF should have NIC vectors and Roce vectors, NIC vectors 3153 * are queued before Roce vectors. The offset is fixed to 64. 3154 */ 3155 hdev->num_msi = hdev->num_roce_msix + 3156 hdev->roce_base_msix_offset; 3157 } else { 3158 hdev->num_msi = 3159 hnae3_get_field(le16_to_cpu(req->vf_intr_vector_number), 3160 HCLGEVF_VEC_NUM_M, HCLGEVF_VEC_NUM_S); 3161 3162 hdev->num_nic_msix = hdev->num_msi; 3163 } 3164 3165 if (hdev->num_nic_msix < HNAE3_MIN_VECTOR_NUM) { 3166 dev_err(&hdev->pdev->dev, 3167 "Just %u msi resources, not enough for vf(min:2).\n", 3168 hdev->num_nic_msix); 3169 return -EINVAL; 3170 } 3171 3172 return 0; 3173 } 3174 3175 static void hclgevf_set_default_dev_specs(struct hclgevf_dev *hdev) 3176 { 3177 #define HCLGEVF_MAX_NON_TSO_BD_NUM 8U 3178 3179 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(hdev->pdev); 3180 3181 ae_dev->dev_specs.max_non_tso_bd_num = 3182 HCLGEVF_MAX_NON_TSO_BD_NUM; 3183 ae_dev->dev_specs.rss_ind_tbl_size = HCLGEVF_RSS_IND_TBL_SIZE; 3184 ae_dev->dev_specs.rss_key_size = HCLGEVF_RSS_KEY_SIZE; 3185 ae_dev->dev_specs.max_int_gl = HCLGEVF_DEF_MAX_INT_GL; 3186 ae_dev->dev_specs.max_frm_size = HCLGEVF_MAC_MAX_FRAME; 3187 } 3188 3189 static void hclgevf_parse_dev_specs(struct hclgevf_dev *hdev, 3190 struct hclgevf_desc *desc) 3191 { 3192 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(hdev->pdev); 3193 struct hclgevf_dev_specs_0_cmd *req0; 3194 struct hclgevf_dev_specs_1_cmd *req1; 3195 3196 req0 = (struct hclgevf_dev_specs_0_cmd *)desc[0].data; 3197 req1 = (struct hclgevf_dev_specs_1_cmd *)desc[1].data; 3198 3199 ae_dev->dev_specs.max_non_tso_bd_num = req0->max_non_tso_bd_num; 3200 ae_dev->dev_specs.rss_ind_tbl_size = 3201 le16_to_cpu(req0->rss_ind_tbl_size); 3202 ae_dev->dev_specs.int_ql_max = le16_to_cpu(req0->int_ql_max); 3203 ae_dev->dev_specs.rss_key_size = le16_to_cpu(req0->rss_key_size); 3204 ae_dev->dev_specs.max_int_gl = le16_to_cpu(req1->max_int_gl); 3205 ae_dev->dev_specs.max_frm_size = le16_to_cpu(req1->max_frm_size); 3206 } 3207 3208 static void hclgevf_check_dev_specs(struct hclgevf_dev *hdev) 3209 { 3210 struct hnae3_dev_specs *dev_specs = &hdev->ae_dev->dev_specs; 3211 3212 if (!dev_specs->max_non_tso_bd_num) 3213 dev_specs->max_non_tso_bd_num = HCLGEVF_MAX_NON_TSO_BD_NUM; 3214 if (!dev_specs->rss_ind_tbl_size) 3215 dev_specs->rss_ind_tbl_size = HCLGEVF_RSS_IND_TBL_SIZE; 3216 if (!dev_specs->rss_key_size) 3217 dev_specs->rss_key_size = HCLGEVF_RSS_KEY_SIZE; 3218 if (!dev_specs->max_int_gl) 3219 dev_specs->max_int_gl = HCLGEVF_DEF_MAX_INT_GL; 3220 if (!dev_specs->max_frm_size) 3221 dev_specs->max_frm_size = HCLGEVF_MAC_MAX_FRAME; 3222 } 3223 3224 static int hclgevf_query_dev_specs(struct hclgevf_dev *hdev) 3225 { 3226 struct hclgevf_desc desc[HCLGEVF_QUERY_DEV_SPECS_BD_NUM]; 3227 int ret; 3228 int i; 3229 3230 /* set default specifications as devices lower than version V3 do not 3231 * support querying specifications from firmware. 3232 */ 3233 if (hdev->ae_dev->dev_version < HNAE3_DEVICE_VERSION_V3) { 3234 hclgevf_set_default_dev_specs(hdev); 3235 return 0; 3236 } 3237 3238 for (i = 0; i < HCLGEVF_QUERY_DEV_SPECS_BD_NUM - 1; i++) { 3239 hclgevf_cmd_setup_basic_desc(&desc[i], 3240 HCLGEVF_OPC_QUERY_DEV_SPECS, true); 3241 desc[i].flag |= cpu_to_le16(HCLGEVF_CMD_FLAG_NEXT); 3242 } 3243 hclgevf_cmd_setup_basic_desc(&desc[i], HCLGEVF_OPC_QUERY_DEV_SPECS, 3244 true); 3245 3246 ret = hclgevf_cmd_send(&hdev->hw, desc, HCLGEVF_QUERY_DEV_SPECS_BD_NUM); 3247 if (ret) 3248 return ret; 3249 3250 hclgevf_parse_dev_specs(hdev, desc); 3251 hclgevf_check_dev_specs(hdev); 3252 3253 return 0; 3254 } 3255 3256 static int hclgevf_pci_reset(struct hclgevf_dev *hdev) 3257 { 3258 struct pci_dev *pdev = hdev->pdev; 3259 int ret = 0; 3260 3261 if (hdev->reset_type == HNAE3_VF_FULL_RESET && 3262 test_bit(HCLGEVF_STATE_IRQ_INITED, &hdev->state)) { 3263 hclgevf_misc_irq_uninit(hdev); 3264 hclgevf_uninit_msi(hdev); 3265 clear_bit(HCLGEVF_STATE_IRQ_INITED, &hdev->state); 3266 } 3267 3268 if (!test_bit(HCLGEVF_STATE_IRQ_INITED, &hdev->state)) { 3269 pci_set_master(pdev); 3270 ret = hclgevf_init_msi(hdev); 3271 if (ret) { 3272 dev_err(&pdev->dev, 3273 "failed(%d) to init MSI/MSI-X\n", ret); 3274 return ret; 3275 } 3276 3277 ret = hclgevf_misc_irq_init(hdev); 3278 if (ret) { 3279 hclgevf_uninit_msi(hdev); 3280 dev_err(&pdev->dev, "failed(%d) to init Misc IRQ(vector0)\n", 3281 ret); 3282 return ret; 3283 } 3284 3285 set_bit(HCLGEVF_STATE_IRQ_INITED, &hdev->state); 3286 } 3287 3288 return ret; 3289 } 3290 3291 static int hclgevf_clear_vport_list(struct hclgevf_dev *hdev) 3292 { 3293 struct hclge_vf_to_pf_msg send_msg; 3294 3295 hclgevf_build_send_msg(&send_msg, HCLGE_MBX_HANDLE_VF_TBL, 3296 HCLGE_MBX_VPORT_LIST_CLEAR); 3297 return hclgevf_send_mbx_msg(hdev, &send_msg, false, NULL, 0); 3298 } 3299 3300 static void hclgevf_init_rxd_adv_layout(struct hclgevf_dev *hdev) 3301 { 3302 if (hnae3_ae_dev_rxd_adv_layout_supported(hdev->ae_dev)) 3303 hclgevf_write_dev(&hdev->hw, HCLGEVF_RXD_ADV_LAYOUT_EN_REG, 1); 3304 } 3305 3306 static void hclgevf_uninit_rxd_adv_layout(struct hclgevf_dev *hdev) 3307 { 3308 if (hnae3_ae_dev_rxd_adv_layout_supported(hdev->ae_dev)) 3309 hclgevf_write_dev(&hdev->hw, HCLGEVF_RXD_ADV_LAYOUT_EN_REG, 0); 3310 } 3311 3312 static int hclgevf_reset_hdev(struct hclgevf_dev *hdev) 3313 { 3314 struct pci_dev *pdev = hdev->pdev; 3315 int ret; 3316 3317 ret = hclgevf_pci_reset(hdev); 3318 if (ret) { 3319 dev_err(&pdev->dev, "pci reset failed %d\n", ret); 3320 return ret; 3321 } 3322 3323 ret = hclgevf_cmd_init(hdev); 3324 if (ret) { 3325 dev_err(&pdev->dev, "cmd failed %d\n", ret); 3326 return ret; 3327 } 3328 3329 ret = hclgevf_rss_init_hw(hdev); 3330 if (ret) { 3331 dev_err(&hdev->pdev->dev, 3332 "failed(%d) to initialize RSS\n", ret); 3333 return ret; 3334 } 3335 3336 ret = hclgevf_config_gro(hdev); 3337 if (ret) 3338 return ret; 3339 3340 ret = hclgevf_init_vlan_config(hdev); 3341 if (ret) { 3342 dev_err(&hdev->pdev->dev, 3343 "failed(%d) to initialize VLAN config\n", ret); 3344 return ret; 3345 } 3346 3347 /* get current port based vlan state from PF */ 3348 ret = hclgevf_get_port_base_vlan_filter_state(hdev); 3349 if (ret) 3350 return ret; 3351 3352 set_bit(HCLGEVF_STATE_PROMISC_CHANGED, &hdev->state); 3353 3354 hclgevf_init_rxd_adv_layout(hdev); 3355 3356 dev_info(&hdev->pdev->dev, "Reset done\n"); 3357 3358 return 0; 3359 } 3360 3361 static int hclgevf_init_hdev(struct hclgevf_dev *hdev) 3362 { 3363 struct pci_dev *pdev = hdev->pdev; 3364 int ret; 3365 3366 ret = hclgevf_pci_init(hdev); 3367 if (ret) 3368 return ret; 3369 3370 ret = hclgevf_devlink_init(hdev); 3371 if (ret) 3372 goto err_devlink_init; 3373 3374 ret = hclgevf_cmd_queue_init(hdev); 3375 if (ret) 3376 goto err_cmd_queue_init; 3377 3378 ret = hclgevf_cmd_init(hdev); 3379 if (ret) 3380 goto err_cmd_init; 3381 3382 /* Get vf resource */ 3383 ret = hclgevf_query_vf_resource(hdev); 3384 if (ret) 3385 goto err_cmd_init; 3386 3387 ret = hclgevf_query_dev_specs(hdev); 3388 if (ret) { 3389 dev_err(&pdev->dev, 3390 "failed to query dev specifications, ret = %d\n", ret); 3391 goto err_cmd_init; 3392 } 3393 3394 ret = hclgevf_init_msi(hdev); 3395 if (ret) { 3396 dev_err(&pdev->dev, "failed(%d) to init MSI/MSI-X\n", ret); 3397 goto err_cmd_init; 3398 } 3399 3400 hclgevf_state_init(hdev); 3401 hdev->reset_level = HNAE3_VF_FUNC_RESET; 3402 hdev->reset_type = HNAE3_NONE_RESET; 3403 3404 ret = hclgevf_misc_irq_init(hdev); 3405 if (ret) 3406 goto err_misc_irq_init; 3407 3408 set_bit(HCLGEVF_STATE_IRQ_INITED, &hdev->state); 3409 3410 ret = hclgevf_configure(hdev); 3411 if (ret) { 3412 dev_err(&pdev->dev, "failed(%d) to fetch configuration\n", ret); 3413 goto err_config; 3414 } 3415 3416 ret = hclgevf_alloc_tqps(hdev); 3417 if (ret) { 3418 dev_err(&pdev->dev, "failed(%d) to allocate TQPs\n", ret); 3419 goto err_config; 3420 } 3421 3422 ret = hclgevf_set_handle_info(hdev); 3423 if (ret) 3424 goto err_config; 3425 3426 ret = hclgevf_config_gro(hdev); 3427 if (ret) 3428 goto err_config; 3429 3430 /* Initialize RSS for this VF */ 3431 ret = hclgevf_rss_init_cfg(hdev); 3432 if (ret) { 3433 dev_err(&pdev->dev, "failed to init rss cfg, ret = %d\n", ret); 3434 goto err_config; 3435 } 3436 3437 ret = hclgevf_rss_init_hw(hdev); 3438 if (ret) { 3439 dev_err(&hdev->pdev->dev, 3440 "failed(%d) to initialize RSS\n", ret); 3441 goto err_config; 3442 } 3443 3444 /* ensure vf tbl list as empty before init*/ 3445 ret = hclgevf_clear_vport_list(hdev); 3446 if (ret) { 3447 dev_err(&pdev->dev, 3448 "failed to clear tbl list configuration, ret = %d.\n", 3449 ret); 3450 goto err_config; 3451 } 3452 3453 ret = hclgevf_init_vlan_config(hdev); 3454 if (ret) { 3455 dev_err(&hdev->pdev->dev, 3456 "failed(%d) to initialize VLAN config\n", ret); 3457 goto err_config; 3458 } 3459 3460 hclgevf_init_rxd_adv_layout(hdev); 3461 3462 set_bit(HCLGEVF_STATE_SERVICE_INITED, &hdev->state); 3463 3464 hdev->last_reset_time = jiffies; 3465 dev_info(&hdev->pdev->dev, "finished initializing %s driver\n", 3466 HCLGEVF_DRIVER_NAME); 3467 3468 hclgevf_task_schedule(hdev, round_jiffies_relative(HZ)); 3469 3470 return 0; 3471 3472 err_config: 3473 hclgevf_misc_irq_uninit(hdev); 3474 err_misc_irq_init: 3475 hclgevf_state_uninit(hdev); 3476 hclgevf_uninit_msi(hdev); 3477 err_cmd_init: 3478 hclgevf_cmd_uninit(hdev); 3479 err_cmd_queue_init: 3480 hclgevf_devlink_uninit(hdev); 3481 err_devlink_init: 3482 hclgevf_pci_uninit(hdev); 3483 clear_bit(HCLGEVF_STATE_IRQ_INITED, &hdev->state); 3484 return ret; 3485 } 3486 3487 static void hclgevf_uninit_hdev(struct hclgevf_dev *hdev) 3488 { 3489 struct hclge_vf_to_pf_msg send_msg; 3490 3491 hclgevf_state_uninit(hdev); 3492 hclgevf_uninit_rxd_adv_layout(hdev); 3493 3494 hclgevf_build_send_msg(&send_msg, HCLGE_MBX_VF_UNINIT, 0); 3495 hclgevf_send_mbx_msg(hdev, &send_msg, false, NULL, 0); 3496 3497 if (test_bit(HCLGEVF_STATE_IRQ_INITED, &hdev->state)) { 3498 hclgevf_misc_irq_uninit(hdev); 3499 hclgevf_uninit_msi(hdev); 3500 } 3501 3502 hclgevf_cmd_uninit(hdev); 3503 hclgevf_devlink_uninit(hdev); 3504 hclgevf_pci_uninit(hdev); 3505 hclgevf_uninit_mac_list(hdev); 3506 } 3507 3508 static int hclgevf_init_ae_dev(struct hnae3_ae_dev *ae_dev) 3509 { 3510 struct pci_dev *pdev = ae_dev->pdev; 3511 int ret; 3512 3513 ret = hclgevf_alloc_hdev(ae_dev); 3514 if (ret) { 3515 dev_err(&pdev->dev, "hclge device allocation failed\n"); 3516 return ret; 3517 } 3518 3519 ret = hclgevf_init_hdev(ae_dev->priv); 3520 if (ret) { 3521 dev_err(&pdev->dev, "hclge device initialization failed\n"); 3522 return ret; 3523 } 3524 3525 return 0; 3526 } 3527 3528 static void hclgevf_uninit_ae_dev(struct hnae3_ae_dev *ae_dev) 3529 { 3530 struct hclgevf_dev *hdev = ae_dev->priv; 3531 3532 hclgevf_uninit_hdev(hdev); 3533 ae_dev->priv = NULL; 3534 } 3535 3536 static u32 hclgevf_get_max_channels(struct hclgevf_dev *hdev) 3537 { 3538 struct hnae3_handle *nic = &hdev->nic; 3539 struct hnae3_knic_private_info *kinfo = &nic->kinfo; 3540 3541 return min_t(u32, hdev->rss_size_max, 3542 hdev->num_tqps / kinfo->tc_info.num_tc); 3543 } 3544 3545 /** 3546 * hclgevf_get_channels - Get the current channels enabled and max supported. 3547 * @handle: hardware information for network interface 3548 * @ch: ethtool channels structure 3549 * 3550 * We don't support separate tx and rx queues as channels. The other count 3551 * represents how many queues are being used for control. max_combined counts 3552 * how many queue pairs we can support. They may not be mapped 1 to 1 with 3553 * q_vectors since we support a lot more queue pairs than q_vectors. 3554 **/ 3555 static void hclgevf_get_channels(struct hnae3_handle *handle, 3556 struct ethtool_channels *ch) 3557 { 3558 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 3559 3560 ch->max_combined = hclgevf_get_max_channels(hdev); 3561 ch->other_count = 0; 3562 ch->max_other = 0; 3563 ch->combined_count = handle->kinfo.rss_size; 3564 } 3565 3566 static void hclgevf_get_tqps_and_rss_info(struct hnae3_handle *handle, 3567 u16 *alloc_tqps, u16 *max_rss_size) 3568 { 3569 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 3570 3571 *alloc_tqps = hdev->num_tqps; 3572 *max_rss_size = hdev->rss_size_max; 3573 } 3574 3575 static void hclgevf_update_rss_size(struct hnae3_handle *handle, 3576 u32 new_tqps_num) 3577 { 3578 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 3579 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 3580 u16 max_rss_size; 3581 3582 kinfo->req_rss_size = new_tqps_num; 3583 3584 max_rss_size = min_t(u16, hdev->rss_size_max, 3585 hdev->num_tqps / kinfo->tc_info.num_tc); 3586 3587 /* Use the user's configuration when it is not larger than 3588 * max_rss_size, otherwise, use the maximum specification value. 3589 */ 3590 if (kinfo->req_rss_size != kinfo->rss_size && kinfo->req_rss_size && 3591 kinfo->req_rss_size <= max_rss_size) 3592 kinfo->rss_size = kinfo->req_rss_size; 3593 else if (kinfo->rss_size > max_rss_size || 3594 (!kinfo->req_rss_size && kinfo->rss_size < max_rss_size)) 3595 kinfo->rss_size = max_rss_size; 3596 3597 kinfo->num_tqps = kinfo->tc_info.num_tc * kinfo->rss_size; 3598 } 3599 3600 static int hclgevf_set_channels(struct hnae3_handle *handle, u32 new_tqps_num, 3601 bool rxfh_configured) 3602 { 3603 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 3604 struct hnae3_knic_private_info *kinfo = &handle->kinfo; 3605 u16 cur_rss_size = kinfo->rss_size; 3606 u16 cur_tqps = kinfo->num_tqps; 3607 u32 *rss_indir; 3608 unsigned int i; 3609 int ret; 3610 3611 hclgevf_update_rss_size(handle, new_tqps_num); 3612 3613 ret = hclgevf_set_rss_tc_mode(hdev, kinfo->rss_size); 3614 if (ret) 3615 return ret; 3616 3617 /* RSS indirection table has been configured by user */ 3618 if (rxfh_configured) 3619 goto out; 3620 3621 /* Reinitializes the rss indirect table according to the new RSS size */ 3622 rss_indir = kcalloc(hdev->ae_dev->dev_specs.rss_ind_tbl_size, 3623 sizeof(u32), GFP_KERNEL); 3624 if (!rss_indir) 3625 return -ENOMEM; 3626 3627 for (i = 0; i < hdev->ae_dev->dev_specs.rss_ind_tbl_size; i++) 3628 rss_indir[i] = i % kinfo->rss_size; 3629 3630 hdev->rss_cfg.rss_size = kinfo->rss_size; 3631 3632 ret = hclgevf_set_rss(handle, rss_indir, NULL, 0); 3633 if (ret) 3634 dev_err(&hdev->pdev->dev, "set rss indir table fail, ret=%d\n", 3635 ret); 3636 3637 kfree(rss_indir); 3638 3639 out: 3640 if (!ret) 3641 dev_info(&hdev->pdev->dev, 3642 "Channels changed, rss_size from %u to %u, tqps from %u to %u", 3643 cur_rss_size, kinfo->rss_size, 3644 cur_tqps, kinfo->rss_size * kinfo->tc_info.num_tc); 3645 3646 return ret; 3647 } 3648 3649 static int hclgevf_get_status(struct hnae3_handle *handle) 3650 { 3651 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 3652 3653 return hdev->hw.mac.link; 3654 } 3655 3656 static void hclgevf_get_ksettings_an_result(struct hnae3_handle *handle, 3657 u8 *auto_neg, u32 *speed, 3658 u8 *duplex) 3659 { 3660 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 3661 3662 if (speed) 3663 *speed = hdev->hw.mac.speed; 3664 if (duplex) 3665 *duplex = hdev->hw.mac.duplex; 3666 if (auto_neg) 3667 *auto_neg = AUTONEG_DISABLE; 3668 } 3669 3670 void hclgevf_update_speed_duplex(struct hclgevf_dev *hdev, u32 speed, 3671 u8 duplex) 3672 { 3673 hdev->hw.mac.speed = speed; 3674 hdev->hw.mac.duplex = duplex; 3675 } 3676 3677 static int hclgevf_gro_en(struct hnae3_handle *handle, bool enable) 3678 { 3679 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 3680 bool gro_en_old = hdev->gro_en; 3681 int ret; 3682 3683 hdev->gro_en = enable; 3684 ret = hclgevf_config_gro(hdev); 3685 if (ret) 3686 hdev->gro_en = gro_en_old; 3687 3688 return ret; 3689 } 3690 3691 static void hclgevf_get_media_type(struct hnae3_handle *handle, u8 *media_type, 3692 u8 *module_type) 3693 { 3694 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 3695 3696 if (media_type) 3697 *media_type = hdev->hw.mac.media_type; 3698 3699 if (module_type) 3700 *module_type = hdev->hw.mac.module_type; 3701 } 3702 3703 static bool hclgevf_get_hw_reset_stat(struct hnae3_handle *handle) 3704 { 3705 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 3706 3707 return !!hclgevf_read_dev(&hdev->hw, HCLGEVF_RST_ING); 3708 } 3709 3710 static bool hclgevf_get_cmdq_stat(struct hnae3_handle *handle) 3711 { 3712 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 3713 3714 return test_bit(HCLGEVF_STATE_CMD_DISABLE, &hdev->state); 3715 } 3716 3717 static bool hclgevf_ae_dev_resetting(struct hnae3_handle *handle) 3718 { 3719 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 3720 3721 return test_bit(HCLGEVF_STATE_RST_HANDLING, &hdev->state); 3722 } 3723 3724 static unsigned long hclgevf_ae_dev_reset_cnt(struct hnae3_handle *handle) 3725 { 3726 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 3727 3728 return hdev->rst_stats.hw_rst_done_cnt; 3729 } 3730 3731 static void hclgevf_get_link_mode(struct hnae3_handle *handle, 3732 unsigned long *supported, 3733 unsigned long *advertising) 3734 { 3735 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 3736 3737 *supported = hdev->hw.mac.supported; 3738 *advertising = hdev->hw.mac.advertising; 3739 } 3740 3741 #define MAX_SEPARATE_NUM 4 3742 #define SEPARATOR_VALUE 0xFDFCFBFA 3743 #define REG_NUM_PER_LINE 4 3744 #define REG_LEN_PER_LINE (REG_NUM_PER_LINE * sizeof(u32)) 3745 3746 static int hclgevf_get_regs_len(struct hnae3_handle *handle) 3747 { 3748 int cmdq_lines, common_lines, ring_lines, tqp_intr_lines; 3749 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 3750 3751 cmdq_lines = sizeof(cmdq_reg_addr_list) / REG_LEN_PER_LINE + 1; 3752 common_lines = sizeof(common_reg_addr_list) / REG_LEN_PER_LINE + 1; 3753 ring_lines = sizeof(ring_reg_addr_list) / REG_LEN_PER_LINE + 1; 3754 tqp_intr_lines = sizeof(tqp_intr_reg_addr_list) / REG_LEN_PER_LINE + 1; 3755 3756 return (cmdq_lines + common_lines + ring_lines * hdev->num_tqps + 3757 tqp_intr_lines * (hdev->num_msi_used - 1)) * REG_LEN_PER_LINE; 3758 } 3759 3760 static void hclgevf_get_regs(struct hnae3_handle *handle, u32 *version, 3761 void *data) 3762 { 3763 struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); 3764 int i, j, reg_um, separator_num; 3765 u32 *reg = data; 3766 3767 *version = hdev->fw_version; 3768 3769 /* fetching per-VF registers values from VF PCIe register space */ 3770 reg_um = sizeof(cmdq_reg_addr_list) / sizeof(u32); 3771 separator_num = MAX_SEPARATE_NUM - reg_um % REG_NUM_PER_LINE; 3772 for (i = 0; i < reg_um; i++) 3773 *reg++ = hclgevf_read_dev(&hdev->hw, cmdq_reg_addr_list[i]); 3774 for (i = 0; i < separator_num; i++) 3775 *reg++ = SEPARATOR_VALUE; 3776 3777 reg_um = sizeof(common_reg_addr_list) / sizeof(u32); 3778 separator_num = MAX_SEPARATE_NUM - reg_um % REG_NUM_PER_LINE; 3779 for (i = 0; i < reg_um; i++) 3780 *reg++ = hclgevf_read_dev(&hdev->hw, common_reg_addr_list[i]); 3781 for (i = 0; i < separator_num; i++) 3782 *reg++ = SEPARATOR_VALUE; 3783 3784 reg_um = sizeof(ring_reg_addr_list) / sizeof(u32); 3785 separator_num = MAX_SEPARATE_NUM - reg_um % REG_NUM_PER_LINE; 3786 for (j = 0; j < hdev->num_tqps; j++) { 3787 for (i = 0; i < reg_um; i++) 3788 *reg++ = hclgevf_read_dev(&hdev->hw, 3789 ring_reg_addr_list[i] + 3790 0x200 * j); 3791 for (i = 0; i < separator_num; i++) 3792 *reg++ = SEPARATOR_VALUE; 3793 } 3794 3795 reg_um = sizeof(tqp_intr_reg_addr_list) / sizeof(u32); 3796 separator_num = MAX_SEPARATE_NUM - reg_um % REG_NUM_PER_LINE; 3797 for (j = 0; j < hdev->num_msi_used - 1; j++) { 3798 for (i = 0; i < reg_um; i++) 3799 *reg++ = hclgevf_read_dev(&hdev->hw, 3800 tqp_intr_reg_addr_list[i] + 3801 4 * j); 3802 for (i = 0; i < separator_num; i++) 3803 *reg++ = SEPARATOR_VALUE; 3804 } 3805 } 3806 3807 void hclgevf_update_port_base_vlan_info(struct hclgevf_dev *hdev, u16 state, 3808 u8 *port_base_vlan_info, u8 data_size) 3809 { 3810 struct hnae3_handle *nic = &hdev->nic; 3811 struct hclge_vf_to_pf_msg send_msg; 3812 int ret; 3813 3814 rtnl_lock(); 3815 3816 if (test_bit(HCLGEVF_STATE_RST_HANDLING, &hdev->state) || 3817 test_bit(HCLGEVF_STATE_RST_FAIL, &hdev->state)) { 3818 dev_warn(&hdev->pdev->dev, 3819 "is resetting when updating port based vlan info\n"); 3820 rtnl_unlock(); 3821 return; 3822 } 3823 3824 ret = hclgevf_notify_client(hdev, HNAE3_DOWN_CLIENT); 3825 if (ret) { 3826 rtnl_unlock(); 3827 return; 3828 } 3829 3830 /* send msg to PF and wait update port based vlan info */ 3831 hclgevf_build_send_msg(&send_msg, HCLGE_MBX_SET_VLAN, 3832 HCLGE_MBX_PORT_BASE_VLAN_CFG); 3833 memcpy(send_msg.data, port_base_vlan_info, data_size); 3834 ret = hclgevf_send_mbx_msg(hdev, &send_msg, false, NULL, 0); 3835 if (!ret) { 3836 if (state == HNAE3_PORT_BASE_VLAN_DISABLE) 3837 nic->port_base_vlan_state = state; 3838 else 3839 nic->port_base_vlan_state = HNAE3_PORT_BASE_VLAN_ENABLE; 3840 } 3841 3842 hclgevf_notify_client(hdev, HNAE3_UP_CLIENT); 3843 rtnl_unlock(); 3844 } 3845 3846 static const struct hnae3_ae_ops hclgevf_ops = { 3847 .init_ae_dev = hclgevf_init_ae_dev, 3848 .uninit_ae_dev = hclgevf_uninit_ae_dev, 3849 .reset_prepare = hclgevf_reset_prepare_general, 3850 .reset_done = hclgevf_reset_done, 3851 .init_client_instance = hclgevf_init_client_instance, 3852 .uninit_client_instance = hclgevf_uninit_client_instance, 3853 .start = hclgevf_ae_start, 3854 .stop = hclgevf_ae_stop, 3855 .client_start = hclgevf_client_start, 3856 .client_stop = hclgevf_client_stop, 3857 .map_ring_to_vector = hclgevf_map_ring_to_vector, 3858 .unmap_ring_from_vector = hclgevf_unmap_ring_from_vector, 3859 .get_vector = hclgevf_get_vector, 3860 .put_vector = hclgevf_put_vector, 3861 .reset_queue = hclgevf_reset_tqp, 3862 .get_mac_addr = hclgevf_get_mac_addr, 3863 .set_mac_addr = hclgevf_set_mac_addr, 3864 .add_uc_addr = hclgevf_add_uc_addr, 3865 .rm_uc_addr = hclgevf_rm_uc_addr, 3866 .add_mc_addr = hclgevf_add_mc_addr, 3867 .rm_mc_addr = hclgevf_rm_mc_addr, 3868 .get_stats = hclgevf_get_stats, 3869 .update_stats = hclgevf_update_stats, 3870 .get_strings = hclgevf_get_strings, 3871 .get_sset_count = hclgevf_get_sset_count, 3872 .get_rss_key_size = hclgevf_get_rss_key_size, 3873 .get_rss = hclgevf_get_rss, 3874 .set_rss = hclgevf_set_rss, 3875 .get_rss_tuple = hclgevf_get_rss_tuple, 3876 .set_rss_tuple = hclgevf_set_rss_tuple, 3877 .get_tc_size = hclgevf_get_tc_size, 3878 .get_fw_version = hclgevf_get_fw_version, 3879 .set_vlan_filter = hclgevf_set_vlan_filter, 3880 .enable_vlan_filter = hclgevf_enable_vlan_filter, 3881 .enable_hw_strip_rxvtag = hclgevf_en_hw_strip_rxvtag, 3882 .reset_event = hclgevf_reset_event, 3883 .set_default_reset_request = hclgevf_set_def_reset_request, 3884 .set_channels = hclgevf_set_channels, 3885 .get_channels = hclgevf_get_channels, 3886 .get_tqps_and_rss_info = hclgevf_get_tqps_and_rss_info, 3887 .get_regs_len = hclgevf_get_regs_len, 3888 .get_regs = hclgevf_get_regs, 3889 .get_status = hclgevf_get_status, 3890 .get_ksettings_an_result = hclgevf_get_ksettings_an_result, 3891 .get_media_type = hclgevf_get_media_type, 3892 .get_hw_reset_stat = hclgevf_get_hw_reset_stat, 3893 .ae_dev_resetting = hclgevf_ae_dev_resetting, 3894 .ae_dev_reset_cnt = hclgevf_ae_dev_reset_cnt, 3895 .set_gro_en = hclgevf_gro_en, 3896 .set_mtu = hclgevf_set_mtu, 3897 .get_global_queue_id = hclgevf_get_qid_global, 3898 .set_timer_task = hclgevf_set_timer_task, 3899 .get_link_mode = hclgevf_get_link_mode, 3900 .set_promisc_mode = hclgevf_set_promisc_mode, 3901 .request_update_promisc_mode = hclgevf_request_update_promisc_mode, 3902 .get_cmdq_stat = hclgevf_get_cmdq_stat, 3903 }; 3904 3905 static struct hnae3_ae_algo ae_algovf = { 3906 .ops = &hclgevf_ops, 3907 .pdev_id_table = ae_algovf_pci_tbl, 3908 }; 3909 3910 static int hclgevf_init(void) 3911 { 3912 pr_info("%s is initializing\n", HCLGEVF_NAME); 3913 3914 hclgevf_wq = alloc_workqueue("%s", WQ_UNBOUND, 0, HCLGEVF_NAME); 3915 if (!hclgevf_wq) { 3916 pr_err("%s: failed to create workqueue\n", HCLGEVF_NAME); 3917 return -ENOMEM; 3918 } 3919 3920 hnae3_register_ae_algo(&ae_algovf); 3921 3922 return 0; 3923 } 3924 3925 static void hclgevf_exit(void) 3926 { 3927 hnae3_unregister_ae_algo(&ae_algovf); 3928 destroy_workqueue(hclgevf_wq); 3929 } 3930 module_init(hclgevf_init); 3931 module_exit(hclgevf_exit); 3932 3933 MODULE_LICENSE("GPL"); 3934 MODULE_AUTHOR("Huawei Tech. Co., Ltd."); 3935 MODULE_DESCRIPTION("HCLGEVF Driver"); 3936 MODULE_VERSION(HCLGEVF_MOD_VERSION); 3937