1 /* 2 * Copyright (C) 2015-2017 Netronome Systems, Inc. 3 * 4 * This software is dual licensed under the GNU General License Version 2, 5 * June 1991 as shown in the file COPYING in the top-level directory of this 6 * source tree or the BSD 2-Clause License provided below. You have the 7 * option to license this software under the complete terms of either license. 8 * 9 * The BSD 2-Clause License: 10 * 11 * Redistribution and use in source and binary forms, with or 12 * without modification, are permitted provided that the following 13 * conditions are met: 14 * 15 * 1. Redistributions of source code must retain the above 16 * copyright notice, this list of conditions and the following 17 * disclaimer. 18 * 19 * 2. Redistributions in binary form must reproduce the above 20 * copyright notice, this list of conditions and the following 21 * disclaimer in the documentation and/or other materials 22 * provided with the distribution. 23 * 24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 31 * SOFTWARE. 32 */ 33 34 /* 35 * nfp_main.c 36 * Authors: Jakub Kicinski <jakub.kicinski@netronome.com> 37 * Alejandro Lucero <alejandro.lucero@netronome.com> 38 * Jason McMullan <jason.mcmullan@netronome.com> 39 * Rolf Neugebauer <rolf.neugebauer@netronome.com> 40 */ 41 42 #include <linux/kernel.h> 43 #include <linux/module.h> 44 #include <linux/mutex.h> 45 #include <linux/pci.h> 46 #include <linux/firmware.h> 47 #include <linux/vermagic.h> 48 #include <linux/vmalloc.h> 49 #include <net/devlink.h> 50 51 #include "nfpcore/nfp.h" 52 #include "nfpcore/nfp_cpp.h" 53 #include "nfpcore/nfp_nffw.h" 54 #include "nfpcore/nfp_nsp.h" 55 56 #include "nfpcore/nfp6000_pcie.h" 57 58 #include "nfp_abi.h" 59 #include "nfp_app.h" 60 #include "nfp_main.h" 61 #include "nfp_net.h" 62 63 static const char nfp_driver_name[] = "nfp"; 64 const char nfp_driver_version[] = VERMAGIC_STRING; 65 66 static const struct pci_device_id nfp_pci_device_ids[] = { 67 { PCI_VENDOR_ID_NETRONOME, PCI_DEVICE_ID_NETRONOME_NFP6000, 68 PCI_VENDOR_ID_NETRONOME, PCI_ANY_ID, 69 PCI_ANY_ID, 0, 70 }, 71 { PCI_VENDOR_ID_NETRONOME, PCI_DEVICE_ID_NETRONOME_NFP4000, 72 PCI_VENDOR_ID_NETRONOME, PCI_ANY_ID, 73 PCI_ANY_ID, 0, 74 }, 75 { 0, } /* Required last entry. */ 76 }; 77 MODULE_DEVICE_TABLE(pci, nfp_pci_device_ids); 78 79 int nfp_pf_rtsym_read_optional(struct nfp_pf *pf, const char *format, 80 unsigned int default_val) 81 { 82 char name[256]; 83 int err = 0; 84 u64 val; 85 86 snprintf(name, sizeof(name), format, nfp_cppcore_pcie_unit(pf->cpp)); 87 88 val = nfp_rtsym_read_le(pf->rtbl, name, &err); 89 if (err) { 90 if (err == -ENOENT) 91 return default_val; 92 nfp_err(pf->cpp, "Unable to read symbol %s\n", name); 93 return err; 94 } 95 96 return val; 97 } 98 99 u8 __iomem * 100 nfp_pf_map_rtsym(struct nfp_pf *pf, const char *name, const char *sym_fmt, 101 unsigned int min_size, struct nfp_cpp_area **area) 102 { 103 char pf_symbol[256]; 104 105 snprintf(pf_symbol, sizeof(pf_symbol), sym_fmt, 106 nfp_cppcore_pcie_unit(pf->cpp)); 107 108 return nfp_rtsym_map(pf->rtbl, pf_symbol, name, min_size, area); 109 } 110 111 /* Callers should hold the devlink instance lock */ 112 int nfp_mbox_cmd(struct nfp_pf *pf, u32 cmd, void *in_data, u64 in_length, 113 void *out_data, u64 out_length) 114 { 115 unsigned long long addr; 116 unsigned long err_at; 117 u64 max_data_sz; 118 u32 val = 0; 119 u32 cpp_id; 120 int n, err; 121 122 if (!pf->mbox) 123 return -EOPNOTSUPP; 124 125 cpp_id = NFP_CPP_ISLAND_ID(pf->mbox->target, NFP_CPP_ACTION_RW, 0, 126 pf->mbox->domain); 127 addr = pf->mbox->addr; 128 max_data_sz = pf->mbox->size - NFP_MBOX_SYM_MIN_SIZE; 129 130 /* Check if cmd field is clear */ 131 err = nfp_cpp_readl(pf->cpp, cpp_id, addr + NFP_MBOX_CMD, &val); 132 if (err || val) { 133 nfp_warn(pf->cpp, "failed to issue command (%u): %u, err: %d\n", 134 cmd, val, err); 135 return err ?: -EBUSY; 136 } 137 138 in_length = min(in_length, max_data_sz); 139 n = nfp_cpp_write(pf->cpp, cpp_id, addr + NFP_MBOX_DATA, 140 in_data, in_length); 141 if (n != in_length) 142 return -EIO; 143 /* Write data_len and wipe reserved */ 144 err = nfp_cpp_writeq(pf->cpp, cpp_id, addr + NFP_MBOX_DATA_LEN, 145 in_length); 146 if (err) 147 return err; 148 149 /* Read back for ordering */ 150 err = nfp_cpp_readl(pf->cpp, cpp_id, addr + NFP_MBOX_DATA_LEN, &val); 151 if (err) 152 return err; 153 154 /* Write cmd and wipe return value */ 155 err = nfp_cpp_writeq(pf->cpp, cpp_id, addr + NFP_MBOX_CMD, cmd); 156 if (err) 157 return err; 158 159 err_at = jiffies + 5 * HZ; 160 while (true) { 161 /* Wait for command to go to 0 (NFP_MBOX_NO_CMD) */ 162 err = nfp_cpp_readl(pf->cpp, cpp_id, addr + NFP_MBOX_CMD, &val); 163 if (err) 164 return err; 165 if (!val) 166 break; 167 168 if (time_is_before_eq_jiffies(err_at)) 169 return -ETIMEDOUT; 170 171 msleep(5); 172 } 173 174 /* Copy output if any (could be error info, do it before reading ret) */ 175 err = nfp_cpp_readl(pf->cpp, cpp_id, addr + NFP_MBOX_DATA_LEN, &val); 176 if (err) 177 return err; 178 179 out_length = min_t(u32, val, min(out_length, max_data_sz)); 180 n = nfp_cpp_read(pf->cpp, cpp_id, addr + NFP_MBOX_DATA, 181 out_data, out_length); 182 if (n != out_length) 183 return -EIO; 184 185 /* Check if there is an error */ 186 err = nfp_cpp_readl(pf->cpp, cpp_id, addr + NFP_MBOX_RET, &val); 187 if (err) 188 return err; 189 if (val) 190 return -val; 191 192 return out_length; 193 } 194 195 static bool nfp_board_ready(struct nfp_pf *pf) 196 { 197 const char *cp; 198 long state; 199 int err; 200 201 cp = nfp_hwinfo_lookup(pf->hwinfo, "board.state"); 202 if (!cp) 203 return false; 204 205 err = kstrtol(cp, 0, &state); 206 if (err < 0) 207 return false; 208 209 return state == 15; 210 } 211 212 static int nfp_pf_board_state_wait(struct nfp_pf *pf) 213 { 214 const unsigned long wait_until = jiffies + 10 * HZ; 215 216 while (!nfp_board_ready(pf)) { 217 if (time_is_before_eq_jiffies(wait_until)) { 218 nfp_err(pf->cpp, "NFP board initialization timeout\n"); 219 return -EINVAL; 220 } 221 222 nfp_info(pf->cpp, "waiting for board initialization\n"); 223 if (msleep_interruptible(500)) 224 return -ERESTARTSYS; 225 226 /* Refresh cached information */ 227 kfree(pf->hwinfo); 228 pf->hwinfo = nfp_hwinfo_read(pf->cpp); 229 } 230 231 return 0; 232 } 233 234 static int nfp_pcie_sriov_read_nfd_limit(struct nfp_pf *pf) 235 { 236 int err; 237 238 pf->limit_vfs = nfp_rtsym_read_le(pf->rtbl, "nfd_vf_cfg_max_vfs", &err); 239 if (!err) 240 return pci_sriov_set_totalvfs(pf->pdev, pf->limit_vfs); 241 242 pf->limit_vfs = ~0; 243 /* Allow any setting for backwards compatibility if symbol not found */ 244 if (err == -ENOENT) 245 return 0; 246 247 nfp_warn(pf->cpp, "Warning: VF limit read failed: %d\n", err); 248 return err; 249 } 250 251 static int nfp_pcie_sriov_enable(struct pci_dev *pdev, int num_vfs) 252 { 253 #ifdef CONFIG_PCI_IOV 254 struct nfp_pf *pf = pci_get_drvdata(pdev); 255 int err; 256 257 if (num_vfs > pf->limit_vfs) { 258 nfp_info(pf->cpp, "Firmware limits number of VFs to %u\n", 259 pf->limit_vfs); 260 return -EINVAL; 261 } 262 263 err = pci_enable_sriov(pdev, num_vfs); 264 if (err) { 265 dev_warn(&pdev->dev, "Failed to enable PCI SR-IOV: %d\n", err); 266 return err; 267 } 268 269 mutex_lock(&pf->lock); 270 271 err = nfp_app_sriov_enable(pf->app, num_vfs); 272 if (err) { 273 dev_warn(&pdev->dev, 274 "App specific PCI SR-IOV configuration failed: %d\n", 275 err); 276 goto err_sriov_disable; 277 } 278 279 pf->num_vfs = num_vfs; 280 281 dev_dbg(&pdev->dev, "Created %d VFs.\n", pf->num_vfs); 282 283 mutex_unlock(&pf->lock); 284 return num_vfs; 285 286 err_sriov_disable: 287 mutex_unlock(&pf->lock); 288 pci_disable_sriov(pdev); 289 return err; 290 #endif 291 return 0; 292 } 293 294 static int nfp_pcie_sriov_disable(struct pci_dev *pdev) 295 { 296 #ifdef CONFIG_PCI_IOV 297 struct nfp_pf *pf = pci_get_drvdata(pdev); 298 299 mutex_lock(&pf->lock); 300 301 /* If the VFs are assigned we cannot shut down SR-IOV without 302 * causing issues, so just leave the hardware available but 303 * disabled 304 */ 305 if (pci_vfs_assigned(pdev)) { 306 dev_warn(&pdev->dev, "Disabling while VFs assigned - VFs will not be deallocated\n"); 307 mutex_unlock(&pf->lock); 308 return -EPERM; 309 } 310 311 nfp_app_sriov_disable(pf->app); 312 313 pf->num_vfs = 0; 314 315 mutex_unlock(&pf->lock); 316 317 pci_disable_sriov(pdev); 318 dev_dbg(&pdev->dev, "Removed VFs.\n"); 319 #endif 320 return 0; 321 } 322 323 static int nfp_pcie_sriov_configure(struct pci_dev *pdev, int num_vfs) 324 { 325 if (num_vfs == 0) 326 return nfp_pcie_sriov_disable(pdev); 327 else 328 return nfp_pcie_sriov_enable(pdev, num_vfs); 329 } 330 331 static const struct firmware * 332 nfp_net_fw_request(struct pci_dev *pdev, struct nfp_pf *pf, const char *name) 333 { 334 const struct firmware *fw = NULL; 335 int err; 336 337 err = request_firmware_direct(&fw, name, &pdev->dev); 338 nfp_info(pf->cpp, " %s: %s\n", 339 name, err ? "not found" : "found, loading..."); 340 if (err) 341 return NULL; 342 343 return fw; 344 } 345 346 /** 347 * nfp_net_fw_find() - Find the correct firmware image for netdev mode 348 * @pdev: PCI Device structure 349 * @pf: NFP PF Device structure 350 * 351 * Return: firmware if found and requested successfully. 352 */ 353 static const struct firmware * 354 nfp_net_fw_find(struct pci_dev *pdev, struct nfp_pf *pf) 355 { 356 struct nfp_eth_table_port *port; 357 const struct firmware *fw; 358 const char *fw_model; 359 char fw_name[256]; 360 const u8 *serial; 361 u16 interface; 362 int spc, i, j; 363 364 nfp_info(pf->cpp, "Looking for firmware file in order of priority:\n"); 365 366 /* First try to find a firmware image specific for this device */ 367 interface = nfp_cpp_interface(pf->cpp); 368 nfp_cpp_serial(pf->cpp, &serial); 369 sprintf(fw_name, "netronome/serial-%pMF-%02hhx-%02hhx.nffw", 370 serial, interface >> 8, interface & 0xff); 371 fw = nfp_net_fw_request(pdev, pf, fw_name); 372 if (fw) 373 return fw; 374 375 /* Then try the PCI name */ 376 sprintf(fw_name, "netronome/pci-%s.nffw", pci_name(pdev)); 377 fw = nfp_net_fw_request(pdev, pf, fw_name); 378 if (fw) 379 return fw; 380 381 /* Finally try the card type and media */ 382 if (!pf->eth_tbl) { 383 dev_err(&pdev->dev, "Error: can't identify media config\n"); 384 return NULL; 385 } 386 387 fw_model = nfp_hwinfo_lookup(pf->hwinfo, "assembly.partno"); 388 if (!fw_model) { 389 dev_err(&pdev->dev, "Error: can't read part number\n"); 390 return NULL; 391 } 392 393 spc = ARRAY_SIZE(fw_name); 394 spc -= snprintf(fw_name, spc, "netronome/nic_%s", fw_model); 395 396 for (i = 0; spc > 0 && i < pf->eth_tbl->count; i += j) { 397 port = &pf->eth_tbl->ports[i]; 398 j = 1; 399 while (i + j < pf->eth_tbl->count && 400 port->speed == port[j].speed) 401 j++; 402 403 spc -= snprintf(&fw_name[ARRAY_SIZE(fw_name) - spc], spc, 404 "_%dx%d", j, port->speed / 1000); 405 } 406 407 if (spc <= 0) 408 return NULL; 409 410 spc -= snprintf(&fw_name[ARRAY_SIZE(fw_name) - spc], spc, ".nffw"); 411 if (spc <= 0) 412 return NULL; 413 414 return nfp_net_fw_request(pdev, pf, fw_name); 415 } 416 417 /** 418 * nfp_net_fw_load() - Load the firmware image 419 * @pdev: PCI Device structure 420 * @pf: NFP PF Device structure 421 * @nsp: NFP SP handle 422 * 423 * Return: -ERRNO, 0 for no firmware loaded, 1 for firmware loaded 424 */ 425 static int 426 nfp_fw_load(struct pci_dev *pdev, struct nfp_pf *pf, struct nfp_nsp *nsp) 427 { 428 const struct firmware *fw; 429 u16 interface; 430 int err; 431 432 interface = nfp_cpp_interface(pf->cpp); 433 if (NFP_CPP_INTERFACE_UNIT_of(interface) != 0) { 434 /* Only Unit 0 should reset or load firmware */ 435 dev_info(&pdev->dev, "Firmware will be loaded by partner\n"); 436 return 0; 437 } 438 439 fw = nfp_net_fw_find(pdev, pf); 440 if (!fw) 441 return 0; 442 443 dev_info(&pdev->dev, "Soft-reset, loading FW image\n"); 444 err = nfp_nsp_device_soft_reset(nsp); 445 if (err < 0) { 446 dev_err(&pdev->dev, "Failed to soft reset the NFP: %d\n", 447 err); 448 goto exit_release_fw; 449 } 450 451 err = nfp_nsp_load_fw(nsp, fw); 452 453 if (err < 0) { 454 dev_err(&pdev->dev, "FW loading failed: %d\n", err); 455 goto exit_release_fw; 456 } 457 458 dev_info(&pdev->dev, "Finished loading FW image\n"); 459 460 exit_release_fw: 461 release_firmware(fw); 462 463 return err < 0 ? err : 1; 464 } 465 466 static void 467 nfp_nsp_init_ports(struct pci_dev *pdev, struct nfp_pf *pf, 468 struct nfp_nsp *nsp) 469 { 470 bool needs_reinit = false; 471 int i; 472 473 pf->eth_tbl = __nfp_eth_read_ports(pf->cpp, nsp); 474 if (!pf->eth_tbl) 475 return; 476 477 if (!nfp_nsp_has_mac_reinit(nsp)) 478 return; 479 480 for (i = 0; i < pf->eth_tbl->count; i++) 481 needs_reinit |= pf->eth_tbl->ports[i].override_changed; 482 if (!needs_reinit) 483 return; 484 485 kfree(pf->eth_tbl); 486 if (nfp_nsp_mac_reinit(nsp)) 487 dev_warn(&pdev->dev, "MAC reinit failed\n"); 488 489 pf->eth_tbl = __nfp_eth_read_ports(pf->cpp, nsp); 490 } 491 492 static int nfp_nsp_init(struct pci_dev *pdev, struct nfp_pf *pf) 493 { 494 struct nfp_nsp *nsp; 495 int err; 496 497 err = nfp_resource_wait(pf->cpp, NFP_RESOURCE_NSP, 30); 498 if (err) 499 return err; 500 501 nsp = nfp_nsp_open(pf->cpp); 502 if (IS_ERR(nsp)) { 503 err = PTR_ERR(nsp); 504 dev_err(&pdev->dev, "Failed to access the NSP: %d\n", err); 505 return err; 506 } 507 508 err = nfp_nsp_wait(nsp); 509 if (err < 0) 510 goto exit_close_nsp; 511 512 nfp_nsp_init_ports(pdev, pf, nsp); 513 514 pf->nspi = __nfp_nsp_identify(nsp); 515 if (pf->nspi) 516 dev_info(&pdev->dev, "BSP: %s\n", pf->nspi->version); 517 518 err = nfp_fw_load(pdev, pf, nsp); 519 if (err < 0) { 520 kfree(pf->nspi); 521 kfree(pf->eth_tbl); 522 dev_err(&pdev->dev, "Failed to load FW\n"); 523 goto exit_close_nsp; 524 } 525 526 pf->fw_loaded = !!err; 527 err = 0; 528 529 exit_close_nsp: 530 nfp_nsp_close(nsp); 531 532 return err; 533 } 534 535 static void nfp_fw_unload(struct nfp_pf *pf) 536 { 537 struct nfp_nsp *nsp; 538 int err; 539 540 nsp = nfp_nsp_open(pf->cpp); 541 if (IS_ERR(nsp)) { 542 nfp_err(pf->cpp, "Reset failed, can't open NSP\n"); 543 return; 544 } 545 546 err = nfp_nsp_device_soft_reset(nsp); 547 if (err < 0) 548 dev_warn(&pf->pdev->dev, "Couldn't unload firmware: %d\n", err); 549 else 550 dev_info(&pf->pdev->dev, "Firmware safely unloaded\n"); 551 552 nfp_nsp_close(nsp); 553 } 554 555 static int nfp_pf_find_rtsyms(struct nfp_pf *pf) 556 { 557 char pf_symbol[256]; 558 unsigned int pf_id; 559 560 pf_id = nfp_cppcore_pcie_unit(pf->cpp); 561 562 /* Optional per-PCI PF mailbox */ 563 snprintf(pf_symbol, sizeof(pf_symbol), NFP_MBOX_SYM_NAME, pf_id); 564 pf->mbox = nfp_rtsym_lookup(pf->rtbl, pf_symbol); 565 if (pf->mbox && pf->mbox->size < NFP_MBOX_SYM_MIN_SIZE) { 566 nfp_err(pf->cpp, "PF mailbox symbol too small: %llu < %d\n", 567 pf->mbox->size, NFP_MBOX_SYM_MIN_SIZE); 568 return -EINVAL; 569 } 570 571 return 0; 572 } 573 574 static int nfp_pci_probe(struct pci_dev *pdev, 575 const struct pci_device_id *pci_id) 576 { 577 struct devlink *devlink; 578 struct nfp_pf *pf; 579 int err; 580 581 err = pci_enable_device(pdev); 582 if (err < 0) 583 return err; 584 585 pci_set_master(pdev); 586 587 err = dma_set_mask_and_coherent(&pdev->dev, 588 DMA_BIT_MASK(NFP_NET_MAX_DMA_BITS)); 589 if (err) 590 goto err_pci_disable; 591 592 err = pci_request_regions(pdev, nfp_driver_name); 593 if (err < 0) { 594 dev_err(&pdev->dev, "Unable to reserve pci resources.\n"); 595 goto err_pci_disable; 596 } 597 598 devlink = devlink_alloc(&nfp_devlink_ops, sizeof(*pf)); 599 if (!devlink) { 600 err = -ENOMEM; 601 goto err_rel_regions; 602 } 603 pf = devlink_priv(devlink); 604 INIT_LIST_HEAD(&pf->vnics); 605 INIT_LIST_HEAD(&pf->ports); 606 mutex_init(&pf->lock); 607 pci_set_drvdata(pdev, pf); 608 pf->pdev = pdev; 609 610 pf->wq = alloc_workqueue("nfp-%s", 0, 2, pci_name(pdev)); 611 if (!pf->wq) { 612 err = -ENOMEM; 613 goto err_pci_priv_unset; 614 } 615 616 pf->cpp = nfp_cpp_from_nfp6000_pcie(pdev); 617 if (IS_ERR_OR_NULL(pf->cpp)) { 618 err = PTR_ERR(pf->cpp); 619 if (err >= 0) 620 err = -ENOMEM; 621 goto err_disable_msix; 622 } 623 624 err = nfp_resource_table_init(pf->cpp); 625 if (err) 626 goto err_cpp_free; 627 628 pf->hwinfo = nfp_hwinfo_read(pf->cpp); 629 630 dev_info(&pdev->dev, "Assembly: %s%s%s-%s CPLD: %s\n", 631 nfp_hwinfo_lookup(pf->hwinfo, "assembly.vendor"), 632 nfp_hwinfo_lookup(pf->hwinfo, "assembly.partno"), 633 nfp_hwinfo_lookup(pf->hwinfo, "assembly.serial"), 634 nfp_hwinfo_lookup(pf->hwinfo, "assembly.revision"), 635 nfp_hwinfo_lookup(pf->hwinfo, "cpld.version")); 636 637 err = nfp_pf_board_state_wait(pf); 638 if (err) 639 goto err_hwinfo_free; 640 641 err = nfp_nsp_init(pdev, pf); 642 if (err) 643 goto err_hwinfo_free; 644 645 pf->mip = nfp_mip_open(pf->cpp); 646 pf->rtbl = __nfp_rtsym_table_read(pf->cpp, pf->mip); 647 648 err = nfp_pf_find_rtsyms(pf); 649 if (err) 650 goto err_fw_unload; 651 652 pf->dump_flag = NFP_DUMP_NSP_DIAG; 653 pf->dumpspec = nfp_net_dump_load_dumpspec(pf->cpp, pf->rtbl); 654 655 err = nfp_pcie_sriov_read_nfd_limit(pf); 656 if (err) 657 goto err_fw_unload; 658 659 pf->num_vfs = pci_num_vf(pdev); 660 if (pf->num_vfs > pf->limit_vfs) { 661 dev_err(&pdev->dev, 662 "Error: %d VFs already enabled, but loaded FW can only support %d\n", 663 pf->num_vfs, pf->limit_vfs); 664 err = -EINVAL; 665 goto err_fw_unload; 666 } 667 668 err = nfp_net_pci_probe(pf); 669 if (err) 670 goto err_fw_unload; 671 672 err = nfp_hwmon_register(pf); 673 if (err) { 674 dev_err(&pdev->dev, "Failed to register hwmon info\n"); 675 goto err_net_remove; 676 } 677 678 return 0; 679 680 err_net_remove: 681 nfp_net_pci_remove(pf); 682 err_fw_unload: 683 kfree(pf->rtbl); 684 nfp_mip_close(pf->mip); 685 if (pf->fw_loaded) 686 nfp_fw_unload(pf); 687 kfree(pf->eth_tbl); 688 kfree(pf->nspi); 689 vfree(pf->dumpspec); 690 err_hwinfo_free: 691 kfree(pf->hwinfo); 692 err_cpp_free: 693 nfp_cpp_free(pf->cpp); 694 err_disable_msix: 695 destroy_workqueue(pf->wq); 696 err_pci_priv_unset: 697 pci_set_drvdata(pdev, NULL); 698 mutex_destroy(&pf->lock); 699 devlink_free(devlink); 700 err_rel_regions: 701 pci_release_regions(pdev); 702 err_pci_disable: 703 pci_disable_device(pdev); 704 705 return err; 706 } 707 708 static void nfp_pci_remove(struct pci_dev *pdev) 709 { 710 struct nfp_pf *pf = pci_get_drvdata(pdev); 711 712 nfp_hwmon_unregister(pf); 713 714 nfp_pcie_sriov_disable(pdev); 715 716 nfp_net_pci_remove(pf); 717 718 vfree(pf->dumpspec); 719 kfree(pf->rtbl); 720 nfp_mip_close(pf->mip); 721 if (pf->fw_loaded) 722 nfp_fw_unload(pf); 723 724 destroy_workqueue(pf->wq); 725 pci_set_drvdata(pdev, NULL); 726 kfree(pf->hwinfo); 727 nfp_cpp_free(pf->cpp); 728 729 kfree(pf->eth_tbl); 730 kfree(pf->nspi); 731 mutex_destroy(&pf->lock); 732 devlink_free(priv_to_devlink(pf)); 733 pci_release_regions(pdev); 734 pci_disable_device(pdev); 735 } 736 737 static struct pci_driver nfp_pci_driver = { 738 .name = nfp_driver_name, 739 .id_table = nfp_pci_device_ids, 740 .probe = nfp_pci_probe, 741 .remove = nfp_pci_remove, 742 .sriov_configure = nfp_pcie_sriov_configure, 743 }; 744 745 static int __init nfp_main_init(void) 746 { 747 int err; 748 749 pr_info("%s: NFP PCIe Driver, Copyright (C) 2014-2017 Netronome Systems\n", 750 nfp_driver_name); 751 752 nfp_net_debugfs_create(); 753 754 err = pci_register_driver(&nfp_pci_driver); 755 if (err < 0) 756 goto err_destroy_debugfs; 757 758 err = pci_register_driver(&nfp_netvf_pci_driver); 759 if (err) 760 goto err_unreg_pf; 761 762 return err; 763 764 err_unreg_pf: 765 pci_unregister_driver(&nfp_pci_driver); 766 err_destroy_debugfs: 767 nfp_net_debugfs_destroy(); 768 return err; 769 } 770 771 static void __exit nfp_main_exit(void) 772 { 773 pci_unregister_driver(&nfp_netvf_pci_driver); 774 pci_unregister_driver(&nfp_pci_driver); 775 nfp_net_debugfs_destroy(); 776 } 777 778 module_init(nfp_main_init); 779 module_exit(nfp_main_exit); 780 781 MODULE_FIRMWARE("netronome/nic_AMDA0081-0001_1x40.nffw"); 782 MODULE_FIRMWARE("netronome/nic_AMDA0081-0001_4x10.nffw"); 783 MODULE_FIRMWARE("netronome/nic_AMDA0096-0001_2x10.nffw"); 784 MODULE_FIRMWARE("netronome/nic_AMDA0097-0001_2x40.nffw"); 785 MODULE_FIRMWARE("netronome/nic_AMDA0097-0001_4x10_1x40.nffw"); 786 MODULE_FIRMWARE("netronome/nic_AMDA0097-0001_8x10.nffw"); 787 MODULE_FIRMWARE("netronome/nic_AMDA0099-0001_2x10.nffw"); 788 MODULE_FIRMWARE("netronome/nic_AMDA0099-0001_2x25.nffw"); 789 MODULE_FIRMWARE("netronome/nic_AMDA0099-0001_1x10_1x25.nffw"); 790 791 MODULE_AUTHOR("Netronome Systems <oss-drivers@netronome.com>"); 792 MODULE_LICENSE("GPL"); 793 MODULE_DESCRIPTION("The Netronome Flow Processor (NFP) driver."); 794 MODULE_VERSION(UTS_RELEASE); 795