1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2 /* Copyright (C) 2015-2018 Netronome Systems, Inc. */ 3 4 /* 5 * nfp_main.c 6 * Authors: Jakub Kicinski <jakub.kicinski@netronome.com> 7 * Alejandro Lucero <alejandro.lucero@netronome.com> 8 * Jason McMullan <jason.mcmullan@netronome.com> 9 * Rolf Neugebauer <rolf.neugebauer@netronome.com> 10 */ 11 12 #include <linux/kernel.h> 13 #include <linux/module.h> 14 #include <linux/mutex.h> 15 #include <linux/pci.h> 16 #include <linux/firmware.h> 17 #include <linux/vermagic.h> 18 #include <linux/vmalloc.h> 19 #include <net/devlink.h> 20 21 #include "nfpcore/nfp.h" 22 #include "nfpcore/nfp_cpp.h" 23 #include "nfpcore/nfp_nffw.h" 24 #include "nfpcore/nfp_nsp.h" 25 26 #include "nfpcore/nfp6000_pcie.h" 27 28 #include "nfp_abi.h" 29 #include "nfp_app.h" 30 #include "nfp_main.h" 31 #include "nfp_net.h" 32 33 static const char nfp_driver_name[] = "nfp"; 34 const char nfp_driver_version[] = VERMAGIC_STRING; 35 36 static const struct pci_device_id nfp_pci_device_ids[] = { 37 { PCI_VENDOR_ID_NETRONOME, PCI_DEVICE_ID_NETRONOME_NFP6000, 38 PCI_VENDOR_ID_NETRONOME, PCI_ANY_ID, 39 PCI_ANY_ID, 0, 40 }, 41 { PCI_VENDOR_ID_NETRONOME, PCI_DEVICE_ID_NETRONOME_NFP5000, 42 PCI_VENDOR_ID_NETRONOME, PCI_ANY_ID, 43 PCI_ANY_ID, 0, 44 }, 45 { PCI_VENDOR_ID_NETRONOME, PCI_DEVICE_ID_NETRONOME_NFP4000, 46 PCI_VENDOR_ID_NETRONOME, PCI_ANY_ID, 47 PCI_ANY_ID, 0, 48 }, 49 { 0, } /* Required last entry. */ 50 }; 51 MODULE_DEVICE_TABLE(pci, nfp_pci_device_ids); 52 53 int nfp_pf_rtsym_read_optional(struct nfp_pf *pf, const char *format, 54 unsigned int default_val) 55 { 56 char name[256]; 57 int err = 0; 58 u64 val; 59 60 snprintf(name, sizeof(name), format, nfp_cppcore_pcie_unit(pf->cpp)); 61 62 val = nfp_rtsym_read_le(pf->rtbl, name, &err); 63 if (err) { 64 if (err == -ENOENT) 65 return default_val; 66 nfp_err(pf->cpp, "Unable to read symbol %s\n", name); 67 return err; 68 } 69 70 return val; 71 } 72 73 u8 __iomem * 74 nfp_pf_map_rtsym(struct nfp_pf *pf, const char *name, const char *sym_fmt, 75 unsigned int min_size, struct nfp_cpp_area **area) 76 { 77 char pf_symbol[256]; 78 79 snprintf(pf_symbol, sizeof(pf_symbol), sym_fmt, 80 nfp_cppcore_pcie_unit(pf->cpp)); 81 82 return nfp_rtsym_map(pf->rtbl, pf_symbol, name, min_size, area); 83 } 84 85 /* Callers should hold the devlink instance lock */ 86 int nfp_mbox_cmd(struct nfp_pf *pf, u32 cmd, void *in_data, u64 in_length, 87 void *out_data, u64 out_length) 88 { 89 unsigned long err_at; 90 u64 max_data_sz; 91 u32 val = 0; 92 int n, err; 93 94 if (!pf->mbox) 95 return -EOPNOTSUPP; 96 97 max_data_sz = nfp_rtsym_size(pf->mbox) - NFP_MBOX_SYM_MIN_SIZE; 98 99 /* Check if cmd field is clear */ 100 err = nfp_rtsym_readl(pf->cpp, pf->mbox, NFP_MBOX_CMD, &val); 101 if (err || val) { 102 nfp_warn(pf->cpp, "failed to issue command (%u): %u, err: %d\n", 103 cmd, val, err); 104 return err ?: -EBUSY; 105 } 106 107 in_length = min(in_length, max_data_sz); 108 n = nfp_rtsym_write(pf->cpp, pf->mbox, NFP_MBOX_DATA, in_data, 109 in_length); 110 if (n != in_length) 111 return -EIO; 112 /* Write data_len and wipe reserved */ 113 err = nfp_rtsym_writeq(pf->cpp, pf->mbox, NFP_MBOX_DATA_LEN, in_length); 114 if (err) 115 return err; 116 117 /* Read back for ordering */ 118 err = nfp_rtsym_readl(pf->cpp, pf->mbox, NFP_MBOX_DATA_LEN, &val); 119 if (err) 120 return err; 121 122 /* Write cmd and wipe return value */ 123 err = nfp_rtsym_writeq(pf->cpp, pf->mbox, NFP_MBOX_CMD, cmd); 124 if (err) 125 return err; 126 127 err_at = jiffies + 5 * HZ; 128 while (true) { 129 /* Wait for command to go to 0 (NFP_MBOX_NO_CMD) */ 130 err = nfp_rtsym_readl(pf->cpp, pf->mbox, NFP_MBOX_CMD, &val); 131 if (err) 132 return err; 133 if (!val) 134 break; 135 136 if (time_is_before_eq_jiffies(err_at)) 137 return -ETIMEDOUT; 138 139 msleep(5); 140 } 141 142 /* Copy output if any (could be error info, do it before reading ret) */ 143 err = nfp_rtsym_readl(pf->cpp, pf->mbox, NFP_MBOX_DATA_LEN, &val); 144 if (err) 145 return err; 146 147 out_length = min_t(u32, val, min(out_length, max_data_sz)); 148 n = nfp_rtsym_read(pf->cpp, pf->mbox, NFP_MBOX_DATA, 149 out_data, out_length); 150 if (n != out_length) 151 return -EIO; 152 153 /* Check if there is an error */ 154 err = nfp_rtsym_readl(pf->cpp, pf->mbox, NFP_MBOX_RET, &val); 155 if (err) 156 return err; 157 if (val) 158 return -val; 159 160 return out_length; 161 } 162 163 static bool nfp_board_ready(struct nfp_pf *pf) 164 { 165 const char *cp; 166 long state; 167 int err; 168 169 cp = nfp_hwinfo_lookup(pf->hwinfo, "board.state"); 170 if (!cp) 171 return false; 172 173 err = kstrtol(cp, 0, &state); 174 if (err < 0) 175 return false; 176 177 return state == 15; 178 } 179 180 static int nfp_pf_board_state_wait(struct nfp_pf *pf) 181 { 182 const unsigned long wait_until = jiffies + 10 * HZ; 183 184 while (!nfp_board_ready(pf)) { 185 if (time_is_before_eq_jiffies(wait_until)) { 186 nfp_err(pf->cpp, "NFP board initialization timeout\n"); 187 return -EINVAL; 188 } 189 190 nfp_info(pf->cpp, "waiting for board initialization\n"); 191 if (msleep_interruptible(500)) 192 return -ERESTARTSYS; 193 194 /* Refresh cached information */ 195 kfree(pf->hwinfo); 196 pf->hwinfo = nfp_hwinfo_read(pf->cpp); 197 } 198 199 return 0; 200 } 201 202 static int nfp_pcie_sriov_read_nfd_limit(struct nfp_pf *pf) 203 { 204 int err; 205 206 pf->limit_vfs = nfp_rtsym_read_le(pf->rtbl, "nfd_vf_cfg_max_vfs", &err); 207 if (err) { 208 /* For backwards compatibility if symbol not found allow all */ 209 pf->limit_vfs = ~0; 210 if (err == -ENOENT) 211 return 0; 212 213 nfp_warn(pf->cpp, "Warning: VF limit read failed: %d\n", err); 214 return err; 215 } 216 217 err = pci_sriov_set_totalvfs(pf->pdev, pf->limit_vfs); 218 if (err) 219 nfp_warn(pf->cpp, "Failed to set VF count in sysfs: %d\n", err); 220 return 0; 221 } 222 223 static int nfp_pcie_sriov_enable(struct pci_dev *pdev, int num_vfs) 224 { 225 #ifdef CONFIG_PCI_IOV 226 struct nfp_pf *pf = pci_get_drvdata(pdev); 227 int err; 228 229 if (num_vfs > pf->limit_vfs) { 230 nfp_info(pf->cpp, "Firmware limits number of VFs to %u\n", 231 pf->limit_vfs); 232 return -EINVAL; 233 } 234 235 err = pci_enable_sriov(pdev, num_vfs); 236 if (err) { 237 dev_warn(&pdev->dev, "Failed to enable PCI SR-IOV: %d\n", err); 238 return err; 239 } 240 241 mutex_lock(&pf->lock); 242 243 err = nfp_app_sriov_enable(pf->app, num_vfs); 244 if (err) { 245 dev_warn(&pdev->dev, 246 "App specific PCI SR-IOV configuration failed: %d\n", 247 err); 248 goto err_sriov_disable; 249 } 250 251 pf->num_vfs = num_vfs; 252 253 dev_dbg(&pdev->dev, "Created %d VFs.\n", pf->num_vfs); 254 255 mutex_unlock(&pf->lock); 256 return num_vfs; 257 258 err_sriov_disable: 259 mutex_unlock(&pf->lock); 260 pci_disable_sriov(pdev); 261 return err; 262 #endif 263 return 0; 264 } 265 266 static int nfp_pcie_sriov_disable(struct pci_dev *pdev) 267 { 268 #ifdef CONFIG_PCI_IOV 269 struct nfp_pf *pf = pci_get_drvdata(pdev); 270 271 mutex_lock(&pf->lock); 272 273 /* If the VFs are assigned we cannot shut down SR-IOV without 274 * causing issues, so just leave the hardware available but 275 * disabled 276 */ 277 if (pci_vfs_assigned(pdev)) { 278 dev_warn(&pdev->dev, "Disabling while VFs assigned - VFs will not be deallocated\n"); 279 mutex_unlock(&pf->lock); 280 return -EPERM; 281 } 282 283 nfp_app_sriov_disable(pf->app); 284 285 pf->num_vfs = 0; 286 287 mutex_unlock(&pf->lock); 288 289 pci_disable_sriov(pdev); 290 dev_dbg(&pdev->dev, "Removed VFs.\n"); 291 #endif 292 return 0; 293 } 294 295 static int nfp_pcie_sriov_configure(struct pci_dev *pdev, int num_vfs) 296 { 297 if (num_vfs == 0) 298 return nfp_pcie_sriov_disable(pdev); 299 else 300 return nfp_pcie_sriov_enable(pdev, num_vfs); 301 } 302 303 static const struct firmware * 304 nfp_net_fw_request(struct pci_dev *pdev, struct nfp_pf *pf, const char *name) 305 { 306 const struct firmware *fw = NULL; 307 int err; 308 309 err = request_firmware_direct(&fw, name, &pdev->dev); 310 nfp_info(pf->cpp, " %s: %s\n", 311 name, err ? "not found" : "found, loading..."); 312 if (err) 313 return NULL; 314 315 return fw; 316 } 317 318 /** 319 * nfp_net_fw_find() - Find the correct firmware image for netdev mode 320 * @pdev: PCI Device structure 321 * @pf: NFP PF Device structure 322 * 323 * Return: firmware if found and requested successfully. 324 */ 325 static const struct firmware * 326 nfp_net_fw_find(struct pci_dev *pdev, struct nfp_pf *pf) 327 { 328 struct nfp_eth_table_port *port; 329 const struct firmware *fw; 330 const char *fw_model; 331 char fw_name[256]; 332 const u8 *serial; 333 u16 interface; 334 int spc, i, j; 335 336 nfp_info(pf->cpp, "Looking for firmware file in order of priority:\n"); 337 338 /* First try to find a firmware image specific for this device */ 339 interface = nfp_cpp_interface(pf->cpp); 340 nfp_cpp_serial(pf->cpp, &serial); 341 sprintf(fw_name, "netronome/serial-%pMF-%02hhx-%02hhx.nffw", 342 serial, interface >> 8, interface & 0xff); 343 fw = nfp_net_fw_request(pdev, pf, fw_name); 344 if (fw) 345 return fw; 346 347 /* Then try the PCI name */ 348 sprintf(fw_name, "netronome/pci-%s.nffw", pci_name(pdev)); 349 fw = nfp_net_fw_request(pdev, pf, fw_name); 350 if (fw) 351 return fw; 352 353 /* Finally try the card type and media */ 354 if (!pf->eth_tbl) { 355 dev_err(&pdev->dev, "Error: can't identify media config\n"); 356 return NULL; 357 } 358 359 fw_model = nfp_hwinfo_lookup(pf->hwinfo, "assembly.partno"); 360 if (!fw_model) { 361 dev_err(&pdev->dev, "Error: can't read part number\n"); 362 return NULL; 363 } 364 365 spc = ARRAY_SIZE(fw_name); 366 spc -= snprintf(fw_name, spc, "netronome/nic_%s", fw_model); 367 368 for (i = 0; spc > 0 && i < pf->eth_tbl->count; i += j) { 369 port = &pf->eth_tbl->ports[i]; 370 j = 1; 371 while (i + j < pf->eth_tbl->count && 372 port->speed == port[j].speed) 373 j++; 374 375 spc -= snprintf(&fw_name[ARRAY_SIZE(fw_name) - spc], spc, 376 "_%dx%d", j, port->speed / 1000); 377 } 378 379 if (spc <= 0) 380 return NULL; 381 382 spc -= snprintf(&fw_name[ARRAY_SIZE(fw_name) - spc], spc, ".nffw"); 383 if (spc <= 0) 384 return NULL; 385 386 return nfp_net_fw_request(pdev, pf, fw_name); 387 } 388 389 /** 390 * nfp_net_fw_load() - Load the firmware image 391 * @pdev: PCI Device structure 392 * @pf: NFP PF Device structure 393 * @nsp: NFP SP handle 394 * 395 * Return: -ERRNO, 0 for no firmware loaded, 1 for firmware loaded 396 */ 397 static int 398 nfp_fw_load(struct pci_dev *pdev, struct nfp_pf *pf, struct nfp_nsp *nsp) 399 { 400 const struct firmware *fw; 401 u16 interface; 402 int err; 403 404 interface = nfp_cpp_interface(pf->cpp); 405 if (NFP_CPP_INTERFACE_UNIT_of(interface) != 0) { 406 /* Only Unit 0 should reset or load firmware */ 407 dev_info(&pdev->dev, "Firmware will be loaded by partner\n"); 408 return 0; 409 } 410 411 fw = nfp_net_fw_find(pdev, pf); 412 if (!fw) { 413 if (nfp_nsp_has_stored_fw_load(nsp)) 414 nfp_nsp_load_stored_fw(nsp); 415 return 0; 416 } 417 418 dev_info(&pdev->dev, "Soft-reset, loading FW image\n"); 419 err = nfp_nsp_device_soft_reset(nsp); 420 if (err < 0) { 421 dev_err(&pdev->dev, "Failed to soft reset the NFP: %d\n", 422 err); 423 goto exit_release_fw; 424 } 425 426 err = nfp_nsp_load_fw(nsp, fw); 427 if (err < 0) { 428 dev_err(&pdev->dev, "FW loading failed: %d\n", err); 429 goto exit_release_fw; 430 } 431 432 dev_info(&pdev->dev, "Finished loading FW image\n"); 433 434 exit_release_fw: 435 release_firmware(fw); 436 437 return err < 0 ? err : 1; 438 } 439 440 static void 441 nfp_nsp_init_ports(struct pci_dev *pdev, struct nfp_pf *pf, 442 struct nfp_nsp *nsp) 443 { 444 bool needs_reinit = false; 445 int i; 446 447 pf->eth_tbl = __nfp_eth_read_ports(pf->cpp, nsp); 448 if (!pf->eth_tbl) 449 return; 450 451 if (!nfp_nsp_has_mac_reinit(nsp)) 452 return; 453 454 for (i = 0; i < pf->eth_tbl->count; i++) 455 needs_reinit |= pf->eth_tbl->ports[i].override_changed; 456 if (!needs_reinit) 457 return; 458 459 kfree(pf->eth_tbl); 460 if (nfp_nsp_mac_reinit(nsp)) 461 dev_warn(&pdev->dev, "MAC reinit failed\n"); 462 463 pf->eth_tbl = __nfp_eth_read_ports(pf->cpp, nsp); 464 } 465 466 static int nfp_nsp_init(struct pci_dev *pdev, struct nfp_pf *pf) 467 { 468 struct nfp_nsp *nsp; 469 int err; 470 471 err = nfp_resource_wait(pf->cpp, NFP_RESOURCE_NSP, 30); 472 if (err) 473 return err; 474 475 nsp = nfp_nsp_open(pf->cpp); 476 if (IS_ERR(nsp)) { 477 err = PTR_ERR(nsp); 478 dev_err(&pdev->dev, "Failed to access the NSP: %d\n", err); 479 return err; 480 } 481 482 err = nfp_nsp_wait(nsp); 483 if (err < 0) 484 goto exit_close_nsp; 485 486 nfp_nsp_init_ports(pdev, pf, nsp); 487 488 pf->nspi = __nfp_nsp_identify(nsp); 489 if (pf->nspi) 490 dev_info(&pdev->dev, "BSP: %s\n", pf->nspi->version); 491 492 err = nfp_fw_load(pdev, pf, nsp); 493 if (err < 0) { 494 kfree(pf->nspi); 495 kfree(pf->eth_tbl); 496 dev_err(&pdev->dev, "Failed to load FW\n"); 497 goto exit_close_nsp; 498 } 499 500 pf->fw_loaded = !!err; 501 err = 0; 502 503 exit_close_nsp: 504 nfp_nsp_close(nsp); 505 506 return err; 507 } 508 509 static void nfp_fw_unload(struct nfp_pf *pf) 510 { 511 struct nfp_nsp *nsp; 512 int err; 513 514 nsp = nfp_nsp_open(pf->cpp); 515 if (IS_ERR(nsp)) { 516 nfp_err(pf->cpp, "Reset failed, can't open NSP\n"); 517 return; 518 } 519 520 err = nfp_nsp_device_soft_reset(nsp); 521 if (err < 0) 522 dev_warn(&pf->pdev->dev, "Couldn't unload firmware: %d\n", err); 523 else 524 dev_info(&pf->pdev->dev, "Firmware safely unloaded\n"); 525 526 nfp_nsp_close(nsp); 527 } 528 529 static int nfp_pf_find_rtsyms(struct nfp_pf *pf) 530 { 531 char pf_symbol[256]; 532 unsigned int pf_id; 533 534 pf_id = nfp_cppcore_pcie_unit(pf->cpp); 535 536 /* Optional per-PCI PF mailbox */ 537 snprintf(pf_symbol, sizeof(pf_symbol), NFP_MBOX_SYM_NAME, pf_id); 538 pf->mbox = nfp_rtsym_lookup(pf->rtbl, pf_symbol); 539 if (pf->mbox && nfp_rtsym_size(pf->mbox) < NFP_MBOX_SYM_MIN_SIZE) { 540 nfp_err(pf->cpp, "PF mailbox symbol too small: %llu < %d\n", 541 nfp_rtsym_size(pf->mbox), NFP_MBOX_SYM_MIN_SIZE); 542 return -EINVAL; 543 } 544 545 return 0; 546 } 547 548 static int nfp_pci_probe(struct pci_dev *pdev, 549 const struct pci_device_id *pci_id) 550 { 551 struct devlink *devlink; 552 struct nfp_pf *pf; 553 int err; 554 555 err = pci_enable_device(pdev); 556 if (err < 0) 557 return err; 558 559 pci_set_master(pdev); 560 561 err = dma_set_mask_and_coherent(&pdev->dev, 562 DMA_BIT_MASK(NFP_NET_MAX_DMA_BITS)); 563 if (err) 564 goto err_pci_disable; 565 566 err = pci_request_regions(pdev, nfp_driver_name); 567 if (err < 0) { 568 dev_err(&pdev->dev, "Unable to reserve pci resources.\n"); 569 goto err_pci_disable; 570 } 571 572 devlink = devlink_alloc(&nfp_devlink_ops, sizeof(*pf)); 573 if (!devlink) { 574 err = -ENOMEM; 575 goto err_rel_regions; 576 } 577 pf = devlink_priv(devlink); 578 INIT_LIST_HEAD(&pf->vnics); 579 INIT_LIST_HEAD(&pf->ports); 580 mutex_init(&pf->lock); 581 pci_set_drvdata(pdev, pf); 582 pf->pdev = pdev; 583 584 pf->wq = alloc_workqueue("nfp-%s", 0, 2, pci_name(pdev)); 585 if (!pf->wq) { 586 err = -ENOMEM; 587 goto err_pci_priv_unset; 588 } 589 590 pf->cpp = nfp_cpp_from_nfp6000_pcie(pdev); 591 if (IS_ERR_OR_NULL(pf->cpp)) { 592 err = PTR_ERR(pf->cpp); 593 if (err >= 0) 594 err = -ENOMEM; 595 goto err_disable_msix; 596 } 597 598 err = nfp_resource_table_init(pf->cpp); 599 if (err) 600 goto err_cpp_free; 601 602 pf->hwinfo = nfp_hwinfo_read(pf->cpp); 603 604 dev_info(&pdev->dev, "Assembly: %s%s%s-%s CPLD: %s\n", 605 nfp_hwinfo_lookup(pf->hwinfo, "assembly.vendor"), 606 nfp_hwinfo_lookup(pf->hwinfo, "assembly.partno"), 607 nfp_hwinfo_lookup(pf->hwinfo, "assembly.serial"), 608 nfp_hwinfo_lookup(pf->hwinfo, "assembly.revision"), 609 nfp_hwinfo_lookup(pf->hwinfo, "cpld.version")); 610 611 err = nfp_pf_board_state_wait(pf); 612 if (err) 613 goto err_hwinfo_free; 614 615 err = nfp_nsp_init(pdev, pf); 616 if (err) 617 goto err_hwinfo_free; 618 619 pf->mip = nfp_mip_open(pf->cpp); 620 pf->rtbl = __nfp_rtsym_table_read(pf->cpp, pf->mip); 621 622 err = nfp_pf_find_rtsyms(pf); 623 if (err) 624 goto err_fw_unload; 625 626 pf->dump_flag = NFP_DUMP_NSP_DIAG; 627 pf->dumpspec = nfp_net_dump_load_dumpspec(pf->cpp, pf->rtbl); 628 629 err = nfp_pcie_sriov_read_nfd_limit(pf); 630 if (err) 631 goto err_fw_unload; 632 633 pf->num_vfs = pci_num_vf(pdev); 634 if (pf->num_vfs > pf->limit_vfs) { 635 dev_err(&pdev->dev, 636 "Error: %d VFs already enabled, but loaded FW can only support %d\n", 637 pf->num_vfs, pf->limit_vfs); 638 err = -EINVAL; 639 goto err_fw_unload; 640 } 641 642 err = nfp_net_pci_probe(pf); 643 if (err) 644 goto err_fw_unload; 645 646 err = nfp_hwmon_register(pf); 647 if (err) { 648 dev_err(&pdev->dev, "Failed to register hwmon info\n"); 649 goto err_net_remove; 650 } 651 652 return 0; 653 654 err_net_remove: 655 nfp_net_pci_remove(pf); 656 err_fw_unload: 657 kfree(pf->rtbl); 658 nfp_mip_close(pf->mip); 659 if (pf->fw_loaded) 660 nfp_fw_unload(pf); 661 kfree(pf->eth_tbl); 662 kfree(pf->nspi); 663 vfree(pf->dumpspec); 664 err_hwinfo_free: 665 kfree(pf->hwinfo); 666 err_cpp_free: 667 nfp_cpp_free(pf->cpp); 668 err_disable_msix: 669 destroy_workqueue(pf->wq); 670 err_pci_priv_unset: 671 pci_set_drvdata(pdev, NULL); 672 mutex_destroy(&pf->lock); 673 devlink_free(devlink); 674 err_rel_regions: 675 pci_release_regions(pdev); 676 err_pci_disable: 677 pci_disable_device(pdev); 678 679 return err; 680 } 681 682 static void nfp_pci_remove(struct pci_dev *pdev) 683 { 684 struct nfp_pf *pf = pci_get_drvdata(pdev); 685 686 nfp_hwmon_unregister(pf); 687 688 nfp_pcie_sriov_disable(pdev); 689 690 nfp_net_pci_remove(pf); 691 692 vfree(pf->dumpspec); 693 kfree(pf->rtbl); 694 nfp_mip_close(pf->mip); 695 if (pf->fw_loaded) 696 nfp_fw_unload(pf); 697 698 destroy_workqueue(pf->wq); 699 pci_set_drvdata(pdev, NULL); 700 kfree(pf->hwinfo); 701 nfp_cpp_free(pf->cpp); 702 703 kfree(pf->eth_tbl); 704 kfree(pf->nspi); 705 mutex_destroy(&pf->lock); 706 devlink_free(priv_to_devlink(pf)); 707 pci_release_regions(pdev); 708 pci_disable_device(pdev); 709 } 710 711 static struct pci_driver nfp_pci_driver = { 712 .name = nfp_driver_name, 713 .id_table = nfp_pci_device_ids, 714 .probe = nfp_pci_probe, 715 .remove = nfp_pci_remove, 716 .sriov_configure = nfp_pcie_sriov_configure, 717 }; 718 719 static int __init nfp_main_init(void) 720 { 721 int err; 722 723 pr_info("%s: NFP PCIe Driver, Copyright (C) 2014-2017 Netronome Systems\n", 724 nfp_driver_name); 725 726 nfp_net_debugfs_create(); 727 728 err = pci_register_driver(&nfp_pci_driver); 729 if (err < 0) 730 goto err_destroy_debugfs; 731 732 err = pci_register_driver(&nfp_netvf_pci_driver); 733 if (err) 734 goto err_unreg_pf; 735 736 return err; 737 738 err_unreg_pf: 739 pci_unregister_driver(&nfp_pci_driver); 740 err_destroy_debugfs: 741 nfp_net_debugfs_destroy(); 742 return err; 743 } 744 745 static void __exit nfp_main_exit(void) 746 { 747 pci_unregister_driver(&nfp_netvf_pci_driver); 748 pci_unregister_driver(&nfp_pci_driver); 749 nfp_net_debugfs_destroy(); 750 } 751 752 module_init(nfp_main_init); 753 module_exit(nfp_main_exit); 754 755 MODULE_FIRMWARE("netronome/nic_AMDA0081-0001_1x40.nffw"); 756 MODULE_FIRMWARE("netronome/nic_AMDA0081-0001_4x10.nffw"); 757 MODULE_FIRMWARE("netronome/nic_AMDA0096-0001_2x10.nffw"); 758 MODULE_FIRMWARE("netronome/nic_AMDA0097-0001_2x40.nffw"); 759 MODULE_FIRMWARE("netronome/nic_AMDA0097-0001_4x10_1x40.nffw"); 760 MODULE_FIRMWARE("netronome/nic_AMDA0097-0001_8x10.nffw"); 761 MODULE_FIRMWARE("netronome/nic_AMDA0099-0001_2x10.nffw"); 762 MODULE_FIRMWARE("netronome/nic_AMDA0099-0001_2x25.nffw"); 763 MODULE_FIRMWARE("netronome/nic_AMDA0099-0001_1x10_1x25.nffw"); 764 765 MODULE_AUTHOR("Netronome Systems <oss-drivers@netronome.com>"); 766 MODULE_LICENSE("GPL"); 767 MODULE_DESCRIPTION("The Netronome Flow Processor (NFP) driver."); 768 MODULE_VERSION(UTS_RELEASE); 769