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 /* For backwards compatibility if symbol not found allow all */ 241 pf->limit_vfs = ~0; 242 if (err == -ENOENT) 243 return 0; 244 245 nfp_warn(pf->cpp, "Warning: VF limit read failed: %d\n", err); 246 return err; 247 } 248 249 err = pci_sriov_set_totalvfs(pf->pdev, pf->limit_vfs); 250 if (err) 251 nfp_warn(pf->cpp, "Failed to set VF count in sysfs: %d\n", err); 252 return 0; 253 } 254 255 static int nfp_pcie_sriov_enable(struct pci_dev *pdev, int num_vfs) 256 { 257 #ifdef CONFIG_PCI_IOV 258 struct nfp_pf *pf = pci_get_drvdata(pdev); 259 int err; 260 261 if (num_vfs > pf->limit_vfs) { 262 nfp_info(pf->cpp, "Firmware limits number of VFs to %u\n", 263 pf->limit_vfs); 264 return -EINVAL; 265 } 266 267 err = pci_enable_sriov(pdev, num_vfs); 268 if (err) { 269 dev_warn(&pdev->dev, "Failed to enable PCI SR-IOV: %d\n", err); 270 return err; 271 } 272 273 mutex_lock(&pf->lock); 274 275 err = nfp_app_sriov_enable(pf->app, num_vfs); 276 if (err) { 277 dev_warn(&pdev->dev, 278 "App specific PCI SR-IOV configuration failed: %d\n", 279 err); 280 goto err_sriov_disable; 281 } 282 283 pf->num_vfs = num_vfs; 284 285 dev_dbg(&pdev->dev, "Created %d VFs.\n", pf->num_vfs); 286 287 mutex_unlock(&pf->lock); 288 return num_vfs; 289 290 err_sriov_disable: 291 mutex_unlock(&pf->lock); 292 pci_disable_sriov(pdev); 293 return err; 294 #endif 295 return 0; 296 } 297 298 static int nfp_pcie_sriov_disable(struct pci_dev *pdev) 299 { 300 #ifdef CONFIG_PCI_IOV 301 struct nfp_pf *pf = pci_get_drvdata(pdev); 302 303 mutex_lock(&pf->lock); 304 305 /* If the VFs are assigned we cannot shut down SR-IOV without 306 * causing issues, so just leave the hardware available but 307 * disabled 308 */ 309 if (pci_vfs_assigned(pdev)) { 310 dev_warn(&pdev->dev, "Disabling while VFs assigned - VFs will not be deallocated\n"); 311 mutex_unlock(&pf->lock); 312 return -EPERM; 313 } 314 315 nfp_app_sriov_disable(pf->app); 316 317 pf->num_vfs = 0; 318 319 mutex_unlock(&pf->lock); 320 321 pci_disable_sriov(pdev); 322 dev_dbg(&pdev->dev, "Removed VFs.\n"); 323 #endif 324 return 0; 325 } 326 327 static int nfp_pcie_sriov_configure(struct pci_dev *pdev, int num_vfs) 328 { 329 if (num_vfs == 0) 330 return nfp_pcie_sriov_disable(pdev); 331 else 332 return nfp_pcie_sriov_enable(pdev, num_vfs); 333 } 334 335 static const struct firmware * 336 nfp_net_fw_request(struct pci_dev *pdev, struct nfp_pf *pf, const char *name) 337 { 338 const struct firmware *fw = NULL; 339 int err; 340 341 err = request_firmware_direct(&fw, name, &pdev->dev); 342 nfp_info(pf->cpp, " %s: %s\n", 343 name, err ? "not found" : "found, loading..."); 344 if (err) 345 return NULL; 346 347 return fw; 348 } 349 350 /** 351 * nfp_net_fw_find() - Find the correct firmware image for netdev mode 352 * @pdev: PCI Device structure 353 * @pf: NFP PF Device structure 354 * 355 * Return: firmware if found and requested successfully. 356 */ 357 static const struct firmware * 358 nfp_net_fw_find(struct pci_dev *pdev, struct nfp_pf *pf) 359 { 360 struct nfp_eth_table_port *port; 361 const struct firmware *fw; 362 const char *fw_model; 363 char fw_name[256]; 364 const u8 *serial; 365 u16 interface; 366 int spc, i, j; 367 368 nfp_info(pf->cpp, "Looking for firmware file in order of priority:\n"); 369 370 /* First try to find a firmware image specific for this device */ 371 interface = nfp_cpp_interface(pf->cpp); 372 nfp_cpp_serial(pf->cpp, &serial); 373 sprintf(fw_name, "netronome/serial-%pMF-%02hhx-%02hhx.nffw", 374 serial, interface >> 8, interface & 0xff); 375 fw = nfp_net_fw_request(pdev, pf, fw_name); 376 if (fw) 377 return fw; 378 379 /* Then try the PCI name */ 380 sprintf(fw_name, "netronome/pci-%s.nffw", pci_name(pdev)); 381 fw = nfp_net_fw_request(pdev, pf, fw_name); 382 if (fw) 383 return fw; 384 385 /* Finally try the card type and media */ 386 if (!pf->eth_tbl) { 387 dev_err(&pdev->dev, "Error: can't identify media config\n"); 388 return NULL; 389 } 390 391 fw_model = nfp_hwinfo_lookup(pf->hwinfo, "assembly.partno"); 392 if (!fw_model) { 393 dev_err(&pdev->dev, "Error: can't read part number\n"); 394 return NULL; 395 } 396 397 spc = ARRAY_SIZE(fw_name); 398 spc -= snprintf(fw_name, spc, "netronome/nic_%s", fw_model); 399 400 for (i = 0; spc > 0 && i < pf->eth_tbl->count; i += j) { 401 port = &pf->eth_tbl->ports[i]; 402 j = 1; 403 while (i + j < pf->eth_tbl->count && 404 port->speed == port[j].speed) 405 j++; 406 407 spc -= snprintf(&fw_name[ARRAY_SIZE(fw_name) - spc], spc, 408 "_%dx%d", j, port->speed / 1000); 409 } 410 411 if (spc <= 0) 412 return NULL; 413 414 spc -= snprintf(&fw_name[ARRAY_SIZE(fw_name) - spc], spc, ".nffw"); 415 if (spc <= 0) 416 return NULL; 417 418 return nfp_net_fw_request(pdev, pf, fw_name); 419 } 420 421 /** 422 * nfp_net_fw_load() - Load the firmware image 423 * @pdev: PCI Device structure 424 * @pf: NFP PF Device structure 425 * @nsp: NFP SP handle 426 * 427 * Return: -ERRNO, 0 for no firmware loaded, 1 for firmware loaded 428 */ 429 static int 430 nfp_fw_load(struct pci_dev *pdev, struct nfp_pf *pf, struct nfp_nsp *nsp) 431 { 432 const struct firmware *fw; 433 u16 interface; 434 int err; 435 436 interface = nfp_cpp_interface(pf->cpp); 437 if (NFP_CPP_INTERFACE_UNIT_of(interface) != 0) { 438 /* Only Unit 0 should reset or load firmware */ 439 dev_info(&pdev->dev, "Firmware will be loaded by partner\n"); 440 return 0; 441 } 442 443 fw = nfp_net_fw_find(pdev, pf); 444 if (!fw) 445 return 0; 446 447 dev_info(&pdev->dev, "Soft-reset, loading FW image\n"); 448 err = nfp_nsp_device_soft_reset(nsp); 449 if (err < 0) { 450 dev_err(&pdev->dev, "Failed to soft reset the NFP: %d\n", 451 err); 452 goto exit_release_fw; 453 } 454 455 err = nfp_nsp_load_fw(nsp, fw); 456 457 if (err < 0) { 458 dev_err(&pdev->dev, "FW loading failed: %d\n", err); 459 goto exit_release_fw; 460 } 461 462 dev_info(&pdev->dev, "Finished loading FW image\n"); 463 464 exit_release_fw: 465 release_firmware(fw); 466 467 return err < 0 ? err : 1; 468 } 469 470 static void 471 nfp_nsp_init_ports(struct pci_dev *pdev, struct nfp_pf *pf, 472 struct nfp_nsp *nsp) 473 { 474 bool needs_reinit = false; 475 int i; 476 477 pf->eth_tbl = __nfp_eth_read_ports(pf->cpp, nsp); 478 if (!pf->eth_tbl) 479 return; 480 481 if (!nfp_nsp_has_mac_reinit(nsp)) 482 return; 483 484 for (i = 0; i < pf->eth_tbl->count; i++) 485 needs_reinit |= pf->eth_tbl->ports[i].override_changed; 486 if (!needs_reinit) 487 return; 488 489 kfree(pf->eth_tbl); 490 if (nfp_nsp_mac_reinit(nsp)) 491 dev_warn(&pdev->dev, "MAC reinit failed\n"); 492 493 pf->eth_tbl = __nfp_eth_read_ports(pf->cpp, nsp); 494 } 495 496 static int nfp_nsp_init(struct pci_dev *pdev, struct nfp_pf *pf) 497 { 498 struct nfp_nsp *nsp; 499 int err; 500 501 err = nfp_resource_wait(pf->cpp, NFP_RESOURCE_NSP, 30); 502 if (err) 503 return err; 504 505 nsp = nfp_nsp_open(pf->cpp); 506 if (IS_ERR(nsp)) { 507 err = PTR_ERR(nsp); 508 dev_err(&pdev->dev, "Failed to access the NSP: %d\n", err); 509 return err; 510 } 511 512 err = nfp_nsp_wait(nsp); 513 if (err < 0) 514 goto exit_close_nsp; 515 516 nfp_nsp_init_ports(pdev, pf, nsp); 517 518 pf->nspi = __nfp_nsp_identify(nsp); 519 if (pf->nspi) 520 dev_info(&pdev->dev, "BSP: %s\n", pf->nspi->version); 521 522 err = nfp_fw_load(pdev, pf, nsp); 523 if (err < 0) { 524 kfree(pf->nspi); 525 kfree(pf->eth_tbl); 526 dev_err(&pdev->dev, "Failed to load FW\n"); 527 goto exit_close_nsp; 528 } 529 530 pf->fw_loaded = !!err; 531 err = 0; 532 533 exit_close_nsp: 534 nfp_nsp_close(nsp); 535 536 return err; 537 } 538 539 static void nfp_fw_unload(struct nfp_pf *pf) 540 { 541 struct nfp_nsp *nsp; 542 int err; 543 544 nsp = nfp_nsp_open(pf->cpp); 545 if (IS_ERR(nsp)) { 546 nfp_err(pf->cpp, "Reset failed, can't open NSP\n"); 547 return; 548 } 549 550 err = nfp_nsp_device_soft_reset(nsp); 551 if (err < 0) 552 dev_warn(&pf->pdev->dev, "Couldn't unload firmware: %d\n", err); 553 else 554 dev_info(&pf->pdev->dev, "Firmware safely unloaded\n"); 555 556 nfp_nsp_close(nsp); 557 } 558 559 static int nfp_pf_find_rtsyms(struct nfp_pf *pf) 560 { 561 char pf_symbol[256]; 562 unsigned int pf_id; 563 564 pf_id = nfp_cppcore_pcie_unit(pf->cpp); 565 566 /* Optional per-PCI PF mailbox */ 567 snprintf(pf_symbol, sizeof(pf_symbol), NFP_MBOX_SYM_NAME, pf_id); 568 pf->mbox = nfp_rtsym_lookup(pf->rtbl, pf_symbol); 569 if (pf->mbox && pf->mbox->size < NFP_MBOX_SYM_MIN_SIZE) { 570 nfp_err(pf->cpp, "PF mailbox symbol too small: %llu < %d\n", 571 pf->mbox->size, NFP_MBOX_SYM_MIN_SIZE); 572 return -EINVAL; 573 } 574 575 return 0; 576 } 577 578 static int nfp_pci_probe(struct pci_dev *pdev, 579 const struct pci_device_id *pci_id) 580 { 581 struct devlink *devlink; 582 struct nfp_pf *pf; 583 int err; 584 585 err = pci_enable_device(pdev); 586 if (err < 0) 587 return err; 588 589 pci_set_master(pdev); 590 591 err = dma_set_mask_and_coherent(&pdev->dev, 592 DMA_BIT_MASK(NFP_NET_MAX_DMA_BITS)); 593 if (err) 594 goto err_pci_disable; 595 596 err = pci_request_regions(pdev, nfp_driver_name); 597 if (err < 0) { 598 dev_err(&pdev->dev, "Unable to reserve pci resources.\n"); 599 goto err_pci_disable; 600 } 601 602 devlink = devlink_alloc(&nfp_devlink_ops, sizeof(*pf)); 603 if (!devlink) { 604 err = -ENOMEM; 605 goto err_rel_regions; 606 } 607 pf = devlink_priv(devlink); 608 INIT_LIST_HEAD(&pf->vnics); 609 INIT_LIST_HEAD(&pf->ports); 610 mutex_init(&pf->lock); 611 pci_set_drvdata(pdev, pf); 612 pf->pdev = pdev; 613 614 pf->wq = alloc_workqueue("nfp-%s", 0, 2, pci_name(pdev)); 615 if (!pf->wq) { 616 err = -ENOMEM; 617 goto err_pci_priv_unset; 618 } 619 620 pf->cpp = nfp_cpp_from_nfp6000_pcie(pdev); 621 if (IS_ERR_OR_NULL(pf->cpp)) { 622 err = PTR_ERR(pf->cpp); 623 if (err >= 0) 624 err = -ENOMEM; 625 goto err_disable_msix; 626 } 627 628 err = nfp_resource_table_init(pf->cpp); 629 if (err) 630 goto err_cpp_free; 631 632 pf->hwinfo = nfp_hwinfo_read(pf->cpp); 633 634 dev_info(&pdev->dev, "Assembly: %s%s%s-%s CPLD: %s\n", 635 nfp_hwinfo_lookup(pf->hwinfo, "assembly.vendor"), 636 nfp_hwinfo_lookup(pf->hwinfo, "assembly.partno"), 637 nfp_hwinfo_lookup(pf->hwinfo, "assembly.serial"), 638 nfp_hwinfo_lookup(pf->hwinfo, "assembly.revision"), 639 nfp_hwinfo_lookup(pf->hwinfo, "cpld.version")); 640 641 err = nfp_pf_board_state_wait(pf); 642 if (err) 643 goto err_hwinfo_free; 644 645 err = nfp_nsp_init(pdev, pf); 646 if (err) 647 goto err_hwinfo_free; 648 649 pf->mip = nfp_mip_open(pf->cpp); 650 pf->rtbl = __nfp_rtsym_table_read(pf->cpp, pf->mip); 651 652 err = nfp_pf_find_rtsyms(pf); 653 if (err) 654 goto err_fw_unload; 655 656 pf->dump_flag = NFP_DUMP_NSP_DIAG; 657 pf->dumpspec = nfp_net_dump_load_dumpspec(pf->cpp, pf->rtbl); 658 659 err = nfp_pcie_sriov_read_nfd_limit(pf); 660 if (err) 661 goto err_fw_unload; 662 663 pf->num_vfs = pci_num_vf(pdev); 664 if (pf->num_vfs > pf->limit_vfs) { 665 dev_err(&pdev->dev, 666 "Error: %d VFs already enabled, but loaded FW can only support %d\n", 667 pf->num_vfs, pf->limit_vfs); 668 err = -EINVAL; 669 goto err_fw_unload; 670 } 671 672 err = nfp_net_pci_probe(pf); 673 if (err) 674 goto err_fw_unload; 675 676 err = nfp_hwmon_register(pf); 677 if (err) { 678 dev_err(&pdev->dev, "Failed to register hwmon info\n"); 679 goto err_net_remove; 680 } 681 682 return 0; 683 684 err_net_remove: 685 nfp_net_pci_remove(pf); 686 err_fw_unload: 687 kfree(pf->rtbl); 688 nfp_mip_close(pf->mip); 689 if (pf->fw_loaded) 690 nfp_fw_unload(pf); 691 kfree(pf->eth_tbl); 692 kfree(pf->nspi); 693 vfree(pf->dumpspec); 694 err_hwinfo_free: 695 kfree(pf->hwinfo); 696 err_cpp_free: 697 nfp_cpp_free(pf->cpp); 698 err_disable_msix: 699 destroy_workqueue(pf->wq); 700 err_pci_priv_unset: 701 pci_set_drvdata(pdev, NULL); 702 mutex_destroy(&pf->lock); 703 devlink_free(devlink); 704 err_rel_regions: 705 pci_release_regions(pdev); 706 err_pci_disable: 707 pci_disable_device(pdev); 708 709 return err; 710 } 711 712 static void nfp_pci_remove(struct pci_dev *pdev) 713 { 714 struct nfp_pf *pf = pci_get_drvdata(pdev); 715 716 nfp_hwmon_unregister(pf); 717 718 nfp_pcie_sriov_disable(pdev); 719 720 nfp_net_pci_remove(pf); 721 722 vfree(pf->dumpspec); 723 kfree(pf->rtbl); 724 nfp_mip_close(pf->mip); 725 if (pf->fw_loaded) 726 nfp_fw_unload(pf); 727 728 destroy_workqueue(pf->wq); 729 pci_set_drvdata(pdev, NULL); 730 kfree(pf->hwinfo); 731 nfp_cpp_free(pf->cpp); 732 733 kfree(pf->eth_tbl); 734 kfree(pf->nspi); 735 mutex_destroy(&pf->lock); 736 devlink_free(priv_to_devlink(pf)); 737 pci_release_regions(pdev); 738 pci_disable_device(pdev); 739 } 740 741 static struct pci_driver nfp_pci_driver = { 742 .name = nfp_driver_name, 743 .id_table = nfp_pci_device_ids, 744 .probe = nfp_pci_probe, 745 .remove = nfp_pci_remove, 746 .sriov_configure = nfp_pcie_sriov_configure, 747 }; 748 749 static int __init nfp_main_init(void) 750 { 751 int err; 752 753 pr_info("%s: NFP PCIe Driver, Copyright (C) 2014-2017 Netronome Systems\n", 754 nfp_driver_name); 755 756 nfp_net_debugfs_create(); 757 758 err = pci_register_driver(&nfp_pci_driver); 759 if (err < 0) 760 goto err_destroy_debugfs; 761 762 err = pci_register_driver(&nfp_netvf_pci_driver); 763 if (err) 764 goto err_unreg_pf; 765 766 return err; 767 768 err_unreg_pf: 769 pci_unregister_driver(&nfp_pci_driver); 770 err_destroy_debugfs: 771 nfp_net_debugfs_destroy(); 772 return err; 773 } 774 775 static void __exit nfp_main_exit(void) 776 { 777 pci_unregister_driver(&nfp_netvf_pci_driver); 778 pci_unregister_driver(&nfp_pci_driver); 779 nfp_net_debugfs_destroy(); 780 } 781 782 module_init(nfp_main_init); 783 module_exit(nfp_main_exit); 784 785 MODULE_FIRMWARE("netronome/nic_AMDA0081-0001_1x40.nffw"); 786 MODULE_FIRMWARE("netronome/nic_AMDA0081-0001_4x10.nffw"); 787 MODULE_FIRMWARE("netronome/nic_AMDA0096-0001_2x10.nffw"); 788 MODULE_FIRMWARE("netronome/nic_AMDA0097-0001_2x40.nffw"); 789 MODULE_FIRMWARE("netronome/nic_AMDA0097-0001_4x10_1x40.nffw"); 790 MODULE_FIRMWARE("netronome/nic_AMDA0097-0001_8x10.nffw"); 791 MODULE_FIRMWARE("netronome/nic_AMDA0099-0001_2x10.nffw"); 792 MODULE_FIRMWARE("netronome/nic_AMDA0099-0001_2x25.nffw"); 793 MODULE_FIRMWARE("netronome/nic_AMDA0099-0001_1x10_1x25.nffw"); 794 795 MODULE_AUTHOR("Netronome Systems <oss-drivers@netronome.com>"); 796 MODULE_LICENSE("GPL"); 797 MODULE_DESCRIPTION("The Netronome Flow Processor (NFP) driver."); 798 MODULE_VERSION(UTS_RELEASE); 799