1 /*- 2 * Copyright (c) 2013-2019, Mellanox Technologies, Ltd. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS `AS IS' AND 14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE 17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23 * SUCH DAMAGE. 24 * 25 * $FreeBSD$ 26 */ 27 28 #ifndef MLX5_DRIVER_H 29 #define MLX5_DRIVER_H 30 31 #include "opt_ratelimit.h" 32 33 #include <linux/kernel.h> 34 #include <linux/completion.h> 35 #include <linux/pci.h> 36 #include <linux/cache.h> 37 #include <linux/rbtree.h> 38 #include <linux/if_ether.h> 39 #include <linux/semaphore.h> 40 #include <linux/slab.h> 41 #include <linux/vmalloc.h> 42 #include <linux/radix-tree.h> 43 #include <linux/idr.h> 44 #include <linux/wait.h> 45 46 #include <dev/mlx5/device.h> 47 #include <dev/mlx5/doorbell.h> 48 #include <dev/mlx5/srq.h> 49 50 #define MLX5_QCOUNTER_SETS_NETDEV 64 51 #define MLX5_MAX_NUMBER_OF_VFS 128 52 53 enum { 54 MLX5_BOARD_ID_LEN = 64, 55 MLX5_MAX_NAME_LEN = 16, 56 }; 57 58 enum { 59 MLX5_CMD_TIMEOUT_MSEC = 60 * 1000, 60 }; 61 62 enum { 63 CMD_OWNER_SW = 0x0, 64 CMD_OWNER_HW = 0x1, 65 CMD_STATUS_SUCCESS = 0, 66 }; 67 68 enum mlx5_sqp_t { 69 MLX5_SQP_SMI = 0, 70 MLX5_SQP_GSI = 1, 71 MLX5_SQP_IEEE_1588 = 2, 72 MLX5_SQP_SNIFFER = 3, 73 MLX5_SQP_SYNC_UMR = 4, 74 }; 75 76 enum { 77 MLX5_MAX_PORTS = 2, 78 }; 79 80 enum { 81 MLX5_EQ_VEC_PAGES = 0, 82 MLX5_EQ_VEC_CMD = 1, 83 MLX5_EQ_VEC_ASYNC = 2, 84 MLX5_EQ_VEC_COMP_BASE, 85 }; 86 87 enum { 88 MLX5_ATOMIC_MODE_OFF = 16, 89 MLX5_ATOMIC_MODE_NONE = 0 << MLX5_ATOMIC_MODE_OFF, 90 MLX5_ATOMIC_MODE_IB_COMP = 1 << MLX5_ATOMIC_MODE_OFF, 91 MLX5_ATOMIC_MODE_CX = 2 << MLX5_ATOMIC_MODE_OFF, 92 MLX5_ATOMIC_MODE_8B = 3 << MLX5_ATOMIC_MODE_OFF, 93 MLX5_ATOMIC_MODE_16B = 4 << MLX5_ATOMIC_MODE_OFF, 94 MLX5_ATOMIC_MODE_32B = 5 << MLX5_ATOMIC_MODE_OFF, 95 MLX5_ATOMIC_MODE_64B = 6 << MLX5_ATOMIC_MODE_OFF, 96 MLX5_ATOMIC_MODE_128B = 7 << MLX5_ATOMIC_MODE_OFF, 97 MLX5_ATOMIC_MODE_256B = 8 << MLX5_ATOMIC_MODE_OFF, 98 }; 99 100 enum { 101 MLX5_ATOMIC_MODE_DCT_OFF = 20, 102 MLX5_ATOMIC_MODE_DCT_NONE = 0 << MLX5_ATOMIC_MODE_DCT_OFF, 103 MLX5_ATOMIC_MODE_DCT_IB_COMP = 1 << MLX5_ATOMIC_MODE_DCT_OFF, 104 MLX5_ATOMIC_MODE_DCT_CX = 2 << MLX5_ATOMIC_MODE_DCT_OFF, 105 MLX5_ATOMIC_MODE_DCT_8B = 3 << MLX5_ATOMIC_MODE_DCT_OFF, 106 MLX5_ATOMIC_MODE_DCT_16B = 4 << MLX5_ATOMIC_MODE_DCT_OFF, 107 MLX5_ATOMIC_MODE_DCT_32B = 5 << MLX5_ATOMIC_MODE_DCT_OFF, 108 MLX5_ATOMIC_MODE_DCT_64B = 6 << MLX5_ATOMIC_MODE_DCT_OFF, 109 MLX5_ATOMIC_MODE_DCT_128B = 7 << MLX5_ATOMIC_MODE_DCT_OFF, 110 MLX5_ATOMIC_MODE_DCT_256B = 8 << MLX5_ATOMIC_MODE_DCT_OFF, 111 }; 112 113 enum { 114 MLX5_ATOMIC_OPS_CMP_SWAP = 1 << 0, 115 MLX5_ATOMIC_OPS_FETCH_ADD = 1 << 1, 116 MLX5_ATOMIC_OPS_MASKED_CMP_SWAP = 1 << 2, 117 MLX5_ATOMIC_OPS_MASKED_FETCH_ADD = 1 << 3, 118 }; 119 120 enum { 121 MLX5_REG_QPTS = 0x4002, 122 MLX5_REG_QETCR = 0x4005, 123 MLX5_REG_QPDP = 0x4007, 124 MLX5_REG_QTCT = 0x400A, 125 MLX5_REG_QPDPM = 0x4013, 126 MLX5_REG_QHLL = 0x4016, 127 MLX5_REG_QCAM = 0x4019, 128 MLX5_REG_DCBX_PARAM = 0x4020, 129 MLX5_REG_DCBX_APP = 0x4021, 130 MLX5_REG_FPGA_CAP = 0x4022, 131 MLX5_REG_FPGA_CTRL = 0x4023, 132 MLX5_REG_FPGA_ACCESS_REG = 0x4024, 133 MLX5_REG_FPGA_SHELL_CNTR = 0x4025, 134 MLX5_REG_PCAP = 0x5001, 135 MLX5_REG_PMLP = 0x5002, 136 MLX5_REG_PMTU = 0x5003, 137 MLX5_REG_PTYS = 0x5004, 138 MLX5_REG_PAOS = 0x5006, 139 MLX5_REG_PFCC = 0x5007, 140 MLX5_REG_PPCNT = 0x5008, 141 MLX5_REG_PUDE = 0x5009, 142 MLX5_REG_PPTB = 0x500B, 143 MLX5_REG_PBMC = 0x500C, 144 MLX5_REG_PELC = 0x500E, 145 MLX5_REG_PVLC = 0x500F, 146 MLX5_REG_PMPE = 0x5010, 147 MLX5_REG_PMAOS = 0x5012, 148 MLX5_REG_PPLM = 0x5023, 149 MLX5_REG_PDDR = 0x5031, 150 MLX5_REG_PBSR = 0x5038, 151 MLX5_REG_PCAM = 0x507f, 152 MLX5_REG_NODE_DESC = 0x6001, 153 MLX5_REG_HOST_ENDIANNESS = 0x7004, 154 MLX5_REG_MTMP = 0x900a, 155 MLX5_REG_MCIA = 0x9014, 156 MLX5_REG_MFRL = 0x9028, 157 MLX5_REG_MPCNT = 0x9051, 158 MLX5_REG_MCQI = 0x9061, 159 MLX5_REG_MCC = 0x9062, 160 MLX5_REG_MCDA = 0x9063, 161 MLX5_REG_MCAM = 0x907f, 162 }; 163 164 enum dbg_rsc_type { 165 MLX5_DBG_RSC_QP, 166 MLX5_DBG_RSC_EQ, 167 MLX5_DBG_RSC_CQ, 168 }; 169 170 enum { 171 MLX5_INTERFACE_PROTOCOL_IB = 0, 172 MLX5_INTERFACE_PROTOCOL_ETH = 1, 173 MLX5_INTERFACE_NUMBER = 2, 174 }; 175 176 struct mlx5_field_desc { 177 struct dentry *dent; 178 int i; 179 }; 180 181 struct mlx5_rsc_debug { 182 struct mlx5_core_dev *dev; 183 void *object; 184 enum dbg_rsc_type type; 185 struct dentry *root; 186 struct mlx5_field_desc fields[0]; 187 }; 188 189 enum mlx5_dev_event { 190 MLX5_DEV_EVENT_SYS_ERROR, 191 MLX5_DEV_EVENT_PORT_UP, 192 MLX5_DEV_EVENT_PORT_DOWN, 193 MLX5_DEV_EVENT_PORT_INITIALIZED, 194 MLX5_DEV_EVENT_LID_CHANGE, 195 MLX5_DEV_EVENT_PKEY_CHANGE, 196 MLX5_DEV_EVENT_GUID_CHANGE, 197 MLX5_DEV_EVENT_CLIENT_REREG, 198 MLX5_DEV_EVENT_VPORT_CHANGE, 199 MLX5_DEV_EVENT_ERROR_STATE_DCBX, 200 MLX5_DEV_EVENT_REMOTE_CONFIG_CHANGE, 201 MLX5_DEV_EVENT_LOCAL_OPER_CHANGE, 202 MLX5_DEV_EVENT_REMOTE_CONFIG_APPLICATION_PRIORITY_CHANGE, 203 }; 204 205 enum mlx5_port_status { 206 MLX5_PORT_UP = 1 << 0, 207 MLX5_PORT_DOWN = 1 << 1, 208 }; 209 210 enum { 211 MLX5_VSC_SPACE_SUPPORTED = 0x1, 212 MLX5_VSC_SPACE_OFFSET = 0x4, 213 MLX5_VSC_COUNTER_OFFSET = 0x8, 214 MLX5_VSC_SEMA_OFFSET = 0xC, 215 MLX5_VSC_ADDR_OFFSET = 0x10, 216 MLX5_VSC_DATA_OFFSET = 0x14, 217 MLX5_VSC_MAX_RETRIES = 0x1000, 218 }; 219 220 #define MLX5_PROT_MASK(link_mode) (1 << link_mode) 221 222 struct mlx5_cmd_first { 223 __be32 data[4]; 224 }; 225 226 struct cache_ent; 227 struct mlx5_fw_page { 228 union { 229 struct rb_node rb_node; 230 struct list_head list; 231 }; 232 struct mlx5_cmd_first first; 233 struct mlx5_core_dev *dev; 234 bus_dmamap_t dma_map; 235 bus_addr_t dma_addr; 236 void *virt_addr; 237 struct cache_ent *cache; 238 u32 numpages; 239 u16 load_done; 240 #define MLX5_LOAD_ST_NONE 0 241 #define MLX5_LOAD_ST_SUCCESS 1 242 #define MLX5_LOAD_ST_FAILURE 2 243 u16 func_id; 244 }; 245 #define mlx5_cmd_msg mlx5_fw_page 246 247 struct mlx5_cmd_debug { 248 struct dentry *dbg_root; 249 struct dentry *dbg_in; 250 struct dentry *dbg_out; 251 struct dentry *dbg_outlen; 252 struct dentry *dbg_status; 253 struct dentry *dbg_run; 254 void *in_msg; 255 void *out_msg; 256 u8 status; 257 u16 inlen; 258 u16 outlen; 259 }; 260 261 struct cache_ent { 262 /* protect block chain allocations 263 */ 264 spinlock_t lock; 265 struct list_head head; 266 }; 267 268 struct cmd_msg_cache { 269 struct cache_ent large; 270 struct cache_ent med; 271 272 }; 273 274 struct mlx5_traffic_counter { 275 u64 packets; 276 u64 octets; 277 }; 278 279 enum mlx5_cmd_mode { 280 MLX5_CMD_MODE_POLLING, 281 MLX5_CMD_MODE_EVENTS 282 }; 283 284 struct mlx5_cmd_stats { 285 u64 sum; 286 u64 n; 287 struct dentry *root; 288 struct dentry *avg; 289 struct dentry *count; 290 /* protect command average calculations */ 291 spinlock_t lock; 292 }; 293 294 struct mlx5_cmd { 295 struct mlx5_fw_page *cmd_page; 296 bus_dma_tag_t dma_tag; 297 struct sx dma_sx; 298 struct mtx dma_mtx; 299 #define MLX5_DMA_OWNED(dev) mtx_owned(&(dev)->cmd.dma_mtx) 300 #define MLX5_DMA_LOCK(dev) mtx_lock(&(dev)->cmd.dma_mtx) 301 #define MLX5_DMA_UNLOCK(dev) mtx_unlock(&(dev)->cmd.dma_mtx) 302 struct cv dma_cv; 303 #define MLX5_DMA_DONE(dev) cv_broadcast(&(dev)->cmd.dma_cv) 304 #define MLX5_DMA_WAIT(dev) cv_wait(&(dev)->cmd.dma_cv, &(dev)->cmd.dma_mtx) 305 void *cmd_buf; 306 dma_addr_t dma; 307 u16 cmdif_rev; 308 u8 log_sz; 309 u8 log_stride; 310 int max_reg_cmds; 311 int events; 312 u32 __iomem *vector; 313 314 /* protect command queue allocations 315 */ 316 spinlock_t alloc_lock; 317 318 /* protect token allocations 319 */ 320 spinlock_t token_lock; 321 u8 token; 322 unsigned long bitmask; 323 struct semaphore sem; 324 struct semaphore pages_sem; 325 enum mlx5_cmd_mode mode; 326 struct mlx5_cmd_work_ent * volatile ent_arr[MLX5_MAX_COMMANDS]; 327 volatile enum mlx5_cmd_mode ent_mode[MLX5_MAX_COMMANDS]; 328 struct mlx5_cmd_debug dbg; 329 struct cmd_msg_cache cache; 330 int checksum_disabled; 331 struct mlx5_cmd_stats stats[MLX5_CMD_OP_MAX]; 332 }; 333 334 struct mlx5_port_caps { 335 int gid_table_len; 336 int pkey_table_len; 337 u8 ext_port_cap; 338 }; 339 340 struct mlx5_buf { 341 bus_dma_tag_t dma_tag; 342 bus_dmamap_t dma_map; 343 struct mlx5_core_dev *dev; 344 struct { 345 void *buf; 346 } direct; 347 u64 *page_list; 348 int npages; 349 int size; 350 u8 page_shift; 351 u8 load_done; 352 }; 353 354 struct mlx5_frag_buf { 355 struct mlx5_buf_list *frags; 356 int npages; 357 int size; 358 u8 page_shift; 359 }; 360 361 struct mlx5_eq { 362 struct mlx5_core_dev *dev; 363 __be32 __iomem *doorbell; 364 u32 cons_index; 365 struct mlx5_buf buf; 366 int size; 367 u8 irqn; 368 u8 eqn; 369 int nent; 370 u64 mask; 371 struct list_head list; 372 int index; 373 struct mlx5_rsc_debug *dbg; 374 }; 375 376 struct mlx5_core_psv { 377 u32 psv_idx; 378 struct psv_layout { 379 u32 pd; 380 u16 syndrome; 381 u16 reserved; 382 u16 bg; 383 u16 app_tag; 384 u32 ref_tag; 385 } psv; 386 }; 387 388 struct mlx5_core_sig_ctx { 389 struct mlx5_core_psv psv_memory; 390 struct mlx5_core_psv psv_wire; 391 #if (__FreeBSD_version >= 1100000) 392 struct ib_sig_err err_item; 393 #endif 394 bool sig_status_checked; 395 bool sig_err_exists; 396 u32 sigerr_count; 397 }; 398 399 enum { 400 MLX5_MKEY_MR = 1, 401 MLX5_MKEY_MW, 402 MLX5_MKEY_INDIRECT_DEVX, 403 }; 404 405 struct mlx5_core_mkey { 406 u64 iova; 407 u64 size; 408 u32 key; 409 u32 pd; 410 u32 type; 411 }; 412 413 enum mlx5_res_type { 414 MLX5_RES_QP = MLX5_EVENT_QUEUE_TYPE_QP, 415 MLX5_RES_RQ = MLX5_EVENT_QUEUE_TYPE_RQ, 416 MLX5_RES_SQ = MLX5_EVENT_QUEUE_TYPE_SQ, 417 MLX5_RES_SRQ = 3, 418 MLX5_RES_XSRQ = 4, 419 MLX5_RES_XRQ = 5, 420 MLX5_RES_DCT = MLX5_EVENT_QUEUE_TYPE_DCT, 421 }; 422 423 struct mlx5_core_rsc_common { 424 enum mlx5_res_type res; 425 atomic_t refcount; 426 struct completion free; 427 }; 428 429 struct mlx5_uars_page { 430 void __iomem *map; 431 bool wc; 432 u32 index; 433 struct list_head list; 434 unsigned int bfregs; 435 unsigned long *reg_bitmap; /* for non fast path bf regs */ 436 unsigned long *fp_bitmap; 437 unsigned int reg_avail; 438 unsigned int fp_avail; 439 struct kref ref_count; 440 struct mlx5_core_dev *mdev; 441 }; 442 443 struct mlx5_bfreg_head { 444 /* protect blue flame registers allocations */ 445 struct mutex lock; 446 struct list_head list; 447 }; 448 449 struct mlx5_bfreg_data { 450 struct mlx5_bfreg_head reg_head; 451 struct mlx5_bfreg_head wc_head; 452 }; 453 454 struct mlx5_sq_bfreg { 455 void __iomem *map; 456 struct mlx5_uars_page *up; 457 bool wc; 458 u32 index; 459 unsigned int offset; 460 }; 461 462 struct mlx5_core_srq { 463 struct mlx5_core_rsc_common common; /* must be first */ 464 u32 srqn; 465 int max; 466 size_t max_gs; 467 size_t max_avail_gather; 468 int wqe_shift; 469 void (*event)(struct mlx5_core_srq *, int); 470 atomic_t refcount; 471 struct completion free; 472 }; 473 474 struct mlx5_ib_dev; 475 struct mlx5_eq_table { 476 void __iomem *update_ci; 477 void __iomem *update_arm_ci; 478 struct list_head comp_eqs_list; 479 struct mlx5_eq pages_eq; 480 struct mlx5_eq async_eq; 481 struct mlx5_eq cmd_eq; 482 int num_comp_vectors; 483 spinlock_t lock; /* protect EQs list */ 484 struct mlx5_ib_dev *dev; /* for devx event notifier */ 485 bool (*cb)(struct mlx5_core_dev *mdev, 486 uint8_t event_type, void *data); 487 }; 488 489 struct mlx5_core_health { 490 struct mlx5_health_buffer __iomem *health; 491 __be32 __iomem *health_counter; 492 struct timer_list timer; 493 u32 prev; 494 int miss_counter; 495 u32 fatal_error; 496 struct workqueue_struct *wq_watchdog; 497 struct work_struct work_watchdog; 498 /* wq spinlock to synchronize draining */ 499 spinlock_t wq_lock; 500 struct workqueue_struct *wq; 501 unsigned long flags; 502 struct work_struct work; 503 struct delayed_work recover_work; 504 unsigned int last_reset_req; 505 struct work_struct work_cmd_completion; 506 struct workqueue_struct *wq_cmd; 507 }; 508 509 #define MLX5_CQ_LINEAR_ARRAY_SIZE 1024 510 511 struct mlx5_cq_linear_array_entry { 512 struct mlx5_core_cq * volatile cq; 513 }; 514 515 struct mlx5_cq_table { 516 /* protect radix tree 517 */ 518 spinlock_t writerlock; 519 atomic_t writercount; 520 struct radix_tree_root tree; 521 struct mlx5_cq_linear_array_entry linear_array[MLX5_CQ_LINEAR_ARRAY_SIZE]; 522 }; 523 524 struct mlx5_qp_table { 525 /* protect radix tree 526 */ 527 spinlock_t lock; 528 struct radix_tree_root tree; 529 }; 530 531 struct mlx5_srq_table { 532 /* protect radix tree 533 */ 534 spinlock_t lock; 535 struct radix_tree_root tree; 536 }; 537 538 struct mlx5_mr_table { 539 /* protect radix tree 540 */ 541 spinlock_t lock; 542 struct radix_tree_root tree; 543 }; 544 545 #ifdef RATELIMIT 546 struct mlx5_rl_entry { 547 u32 rate; 548 u16 burst; 549 u16 index; 550 u32 refcount; 551 }; 552 553 struct mlx5_rl_table { 554 struct mutex rl_lock; 555 u16 max_size; 556 u32 max_rate; 557 u32 min_rate; 558 struct mlx5_rl_entry *rl_entry; 559 }; 560 #endif 561 562 struct mlx5_pme_stats { 563 u64 status_counters[MLX5_MODULE_STATUS_NUM]; 564 u64 error_counters[MLX5_MODULE_EVENT_ERROR_NUM]; 565 }; 566 567 struct mlx5_priv { 568 char name[MLX5_MAX_NAME_LEN]; 569 struct mlx5_eq_table eq_table; 570 struct msix_entry *msix_arr; 571 MLX5_DECLARE_DOORBELL_LOCK(cq_uar_lock); 572 int disable_irqs; 573 574 /* pages stuff */ 575 struct workqueue_struct *pg_wq; 576 struct rb_root page_root; 577 s64 fw_pages; 578 atomic_t reg_pages; 579 s64 pages_per_func[MLX5_MAX_NUMBER_OF_VFS]; 580 struct mlx5_core_health health; 581 582 struct mlx5_srq_table srq_table; 583 584 /* start: qp staff */ 585 struct mlx5_qp_table qp_table; 586 struct dentry *qp_debugfs; 587 struct dentry *eq_debugfs; 588 struct dentry *cq_debugfs; 589 struct dentry *cmdif_debugfs; 590 /* end: qp staff */ 591 592 /* start: cq staff */ 593 struct mlx5_cq_table cq_table; 594 /* end: cq staff */ 595 596 /* start: mr staff */ 597 struct mlx5_mr_table mr_table; 598 /* end: mr staff */ 599 600 /* start: alloc staff */ 601 int numa_node; 602 603 struct mutex pgdir_mutex; 604 struct list_head pgdir_list; 605 /* end: alloc staff */ 606 struct dentry *dbg_root; 607 608 /* protect mkey key part */ 609 spinlock_t mkey_lock; 610 u8 mkey_key; 611 612 struct list_head dev_list; 613 struct list_head ctx_list; 614 spinlock_t ctx_lock; 615 unsigned long pci_dev_data; 616 #ifdef RATELIMIT 617 struct mlx5_rl_table rl_table; 618 #endif 619 struct mlx5_pme_stats pme_stats; 620 621 struct mlx5_eswitch *eswitch; 622 623 struct mlx5_bfreg_data bfregs; 624 struct mlx5_uars_page *uar; 625 }; 626 627 enum mlx5_device_state { 628 MLX5_DEVICE_STATE_UP, 629 MLX5_DEVICE_STATE_INTERNAL_ERROR, 630 }; 631 632 enum mlx5_interface_state { 633 MLX5_INTERFACE_STATE_UP = 0x1, 634 MLX5_INTERFACE_STATE_TEARDOWN = 0x2, 635 }; 636 637 enum mlx5_pci_status { 638 MLX5_PCI_STATUS_DISABLED, 639 MLX5_PCI_STATUS_ENABLED, 640 }; 641 642 #define MLX5_MAX_RESERVED_GIDS 8 643 644 struct mlx5_rsvd_gids { 645 unsigned int start; 646 unsigned int count; 647 struct ida ida; 648 }; 649 650 struct mlx5_special_contexts { 651 int resd_lkey; 652 }; 653 654 struct mlx5_flow_root_namespace; 655 struct mlx5_core_dev { 656 struct pci_dev *pdev; 657 /* sync pci state */ 658 struct mutex pci_status_mutex; 659 enum mlx5_pci_status pci_status; 660 char board_id[MLX5_BOARD_ID_LEN]; 661 struct mlx5_cmd cmd; 662 struct mlx5_port_caps port_caps[MLX5_MAX_PORTS]; 663 u32 hca_caps_cur[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)]; 664 u32 hca_caps_max[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)]; 665 struct { 666 u32 pcam[MLX5_ST_SZ_DW(pcam_reg)]; 667 u32 mcam[MLX5_ST_SZ_DW(mcam_reg)]; 668 u32 qcam[MLX5_ST_SZ_DW(qcam_reg)]; 669 u32 fpga[MLX5_ST_SZ_DW(fpga_cap)]; 670 } caps; 671 phys_addr_t iseg_base; 672 struct mlx5_init_seg __iomem *iseg; 673 enum mlx5_device_state state; 674 /* sync interface state */ 675 struct mutex intf_state_mutex; 676 unsigned long intf_state; 677 void (*event) (struct mlx5_core_dev *dev, 678 enum mlx5_dev_event event, 679 unsigned long param); 680 struct mlx5_priv priv; 681 struct mlx5_profile *profile; 682 atomic_t num_qps; 683 u32 vsc_addr; 684 u32 issi; 685 struct mlx5_special_contexts special_contexts; 686 unsigned int module_status[MLX5_MAX_PORTS]; 687 struct mlx5_flow_root_namespace *root_ns; 688 struct mlx5_flow_root_namespace *fdb_root_ns; 689 struct mlx5_flow_root_namespace *esw_egress_root_ns; 690 struct mlx5_flow_root_namespace *esw_ingress_root_ns; 691 struct mlx5_flow_root_namespace *sniffer_rx_root_ns; 692 struct mlx5_flow_root_namespace *sniffer_tx_root_ns; 693 u32 num_q_counter_allocated[MLX5_INTERFACE_NUMBER]; 694 struct mlx5_crspace_regmap *dump_rege; 695 uint32_t *dump_data; 696 unsigned dump_size; 697 bool dump_valid; 698 bool dump_copyout; 699 struct mtx dump_lock; 700 701 struct sysctl_ctx_list sysctl_ctx; 702 int msix_eqvec; 703 int pwr_status; 704 int pwr_value; 705 706 struct { 707 struct mlx5_rsvd_gids reserved_gids; 708 atomic_t roce_en; 709 } roce; 710 711 struct { 712 spinlock_t spinlock; 713 #define MLX5_MPFS_TABLE_MAX 32 714 long bitmap[BITS_TO_LONGS(MLX5_MPFS_TABLE_MAX)]; 715 } mpfs; 716 #ifdef CONFIG_MLX5_FPGA 717 struct mlx5_fpga_device *fpga; 718 #endif 719 }; 720 721 enum { 722 MLX5_WOL_DISABLE = 0, 723 MLX5_WOL_SECURED_MAGIC = 1 << 1, 724 MLX5_WOL_MAGIC = 1 << 2, 725 MLX5_WOL_ARP = 1 << 3, 726 MLX5_WOL_BROADCAST = 1 << 4, 727 MLX5_WOL_MULTICAST = 1 << 5, 728 MLX5_WOL_UNICAST = 1 << 6, 729 MLX5_WOL_PHY_ACTIVITY = 1 << 7, 730 }; 731 732 struct mlx5_db { 733 __be32 *db; 734 union { 735 struct mlx5_db_pgdir *pgdir; 736 struct mlx5_ib_user_db_page *user_page; 737 } u; 738 dma_addr_t dma; 739 int index; 740 }; 741 742 struct mlx5_net_counters { 743 u64 packets; 744 u64 octets; 745 }; 746 747 struct mlx5_ptys_reg { 748 u8 an_dis_admin; 749 u8 an_dis_ap; 750 u8 local_port; 751 u8 proto_mask; 752 u32 eth_proto_cap; 753 u16 ib_link_width_cap; 754 u16 ib_proto_cap; 755 u32 eth_proto_admin; 756 u16 ib_link_width_admin; 757 u16 ib_proto_admin; 758 u32 eth_proto_oper; 759 u16 ib_link_width_oper; 760 u16 ib_proto_oper; 761 u32 eth_proto_lp_advertise; 762 }; 763 764 struct mlx5_pvlc_reg { 765 u8 local_port; 766 u8 vl_hw_cap; 767 u8 vl_admin; 768 u8 vl_operational; 769 }; 770 771 struct mlx5_pmtu_reg { 772 u8 local_port; 773 u16 max_mtu; 774 u16 admin_mtu; 775 u16 oper_mtu; 776 }; 777 778 struct mlx5_vport_counters { 779 struct mlx5_net_counters received_errors; 780 struct mlx5_net_counters transmit_errors; 781 struct mlx5_net_counters received_ib_unicast; 782 struct mlx5_net_counters transmitted_ib_unicast; 783 struct mlx5_net_counters received_ib_multicast; 784 struct mlx5_net_counters transmitted_ib_multicast; 785 struct mlx5_net_counters received_eth_broadcast; 786 struct mlx5_net_counters transmitted_eth_broadcast; 787 struct mlx5_net_counters received_eth_unicast; 788 struct mlx5_net_counters transmitted_eth_unicast; 789 struct mlx5_net_counters received_eth_multicast; 790 struct mlx5_net_counters transmitted_eth_multicast; 791 }; 792 793 enum { 794 MLX5_DB_PER_PAGE = MLX5_ADAPTER_PAGE_SIZE / L1_CACHE_BYTES, 795 }; 796 797 struct mlx5_core_dct { 798 struct mlx5_core_rsc_common common; /* must be first */ 799 void (*event)(struct mlx5_core_dct *, int); 800 int dctn; 801 struct completion drained; 802 struct mlx5_rsc_debug *dbg; 803 int pid; 804 u16 uid; 805 }; 806 807 enum { 808 MLX5_COMP_EQ_SIZE = 1024, 809 }; 810 811 enum { 812 MLX5_PTYS_IB = 1 << 0, 813 MLX5_PTYS_EN = 1 << 2, 814 }; 815 816 struct mlx5_db_pgdir { 817 struct list_head list; 818 DECLARE_BITMAP(bitmap, MLX5_DB_PER_PAGE); 819 struct mlx5_fw_page *fw_page; 820 __be32 *db_page; 821 dma_addr_t db_dma; 822 }; 823 824 typedef void (*mlx5_cmd_cbk_t)(int status, void *context); 825 826 struct mlx5_cmd_work_ent { 827 struct mlx5_cmd_msg *in; 828 struct mlx5_cmd_msg *out; 829 int uin_size; 830 void *uout; 831 int uout_size; 832 mlx5_cmd_cbk_t callback; 833 struct delayed_work cb_timeout_work; 834 void *context; 835 int idx; 836 struct completion done; 837 struct mlx5_cmd *cmd; 838 struct work_struct work; 839 struct mlx5_cmd_layout *lay; 840 int ret; 841 int page_queue; 842 u8 status; 843 u8 token; 844 u64 ts1; 845 u64 ts2; 846 u16 op; 847 u8 busy; 848 bool polling; 849 }; 850 851 struct mlx5_pas { 852 u64 pa; 853 u8 log_sz; 854 }; 855 856 enum port_state_policy { 857 MLX5_POLICY_DOWN = 0, 858 MLX5_POLICY_UP = 1, 859 MLX5_POLICY_FOLLOW = 2, 860 MLX5_POLICY_INVALID = 0xffffffff 861 }; 862 863 static inline void * 864 mlx5_buf_offset(struct mlx5_buf *buf, int offset) 865 { 866 return ((char *)buf->direct.buf + offset); 867 } 868 869 870 extern struct workqueue_struct *mlx5_core_wq; 871 872 #define STRUCT_FIELD(header, field) \ 873 .struct_offset_bytes = offsetof(struct ib_unpacked_ ## header, field), \ 874 .struct_size_bytes = sizeof((struct ib_unpacked_ ## header *)0)->field 875 876 static inline struct mlx5_core_dev *pci2mlx5_core_dev(struct pci_dev *pdev) 877 { 878 return pci_get_drvdata(pdev); 879 } 880 881 extern struct dentry *mlx5_debugfs_root; 882 883 static inline u16 fw_rev_maj(struct mlx5_core_dev *dev) 884 { 885 return ioread32be(&dev->iseg->fw_rev) & 0xffff; 886 } 887 888 static inline u16 fw_rev_min(struct mlx5_core_dev *dev) 889 { 890 return ioread32be(&dev->iseg->fw_rev) >> 16; 891 } 892 893 static inline u16 fw_rev_sub(struct mlx5_core_dev *dev) 894 { 895 return ioread32be(&dev->iseg->cmdif_rev_fw_sub) & 0xffff; 896 } 897 898 static inline u16 cmdif_rev_get(struct mlx5_core_dev *dev) 899 { 900 return ioread32be(&dev->iseg->cmdif_rev_fw_sub) >> 16; 901 } 902 903 static inline int mlx5_get_gid_table_len(u16 param) 904 { 905 if (param > 4) { 906 printf("M4_CORE_DRV_NAME: WARN: ""gid table length is zero\n"); 907 return 0; 908 } 909 910 return 8 * (1 << param); 911 } 912 913 static inline void *mlx5_vzalloc(unsigned long size) 914 { 915 void *rtn; 916 917 rtn = kzalloc(size, GFP_KERNEL | __GFP_NOWARN); 918 return rtn; 919 } 920 921 static inline void *mlx5_vmalloc(unsigned long size) 922 { 923 void *rtn; 924 925 rtn = kmalloc(size, GFP_KERNEL | __GFP_NOWARN); 926 if (!rtn) 927 rtn = vmalloc(size); 928 return rtn; 929 } 930 931 static inline u32 mlx5_base_mkey(const u32 key) 932 { 933 return key & 0xffffff00u; 934 } 935 936 int mlx5_cmd_init(struct mlx5_core_dev *dev); 937 void mlx5_cmd_cleanup(struct mlx5_core_dev *dev); 938 void mlx5_cmd_use_events(struct mlx5_core_dev *dev); 939 void mlx5_cmd_use_polling(struct mlx5_core_dev *dev); 940 void mlx5_cmd_mbox_status(void *out, u8 *status, u32 *syndrome); 941 int mlx5_core_get_caps(struct mlx5_core_dev *dev, enum mlx5_cap_type cap_type); 942 943 struct mlx5_async_ctx { 944 struct mlx5_core_dev *dev; 945 atomic_t num_inflight; 946 struct wait_queue_head wait; 947 }; 948 949 struct mlx5_async_work; 950 951 typedef void (*mlx5_async_cbk_t)(int status, struct mlx5_async_work *context); 952 953 struct mlx5_async_work { 954 struct mlx5_async_ctx *ctx; 955 mlx5_async_cbk_t user_callback; 956 }; 957 958 void mlx5_cmd_init_async_ctx(struct mlx5_core_dev *dev, 959 struct mlx5_async_ctx *ctx); 960 void mlx5_cmd_cleanup_async_ctx(struct mlx5_async_ctx *ctx); 961 int mlx5_cmd_exec_cb(struct mlx5_async_ctx *ctx, void *in, int in_size, 962 void *out, int out_size, mlx5_async_cbk_t callback, 963 struct mlx5_async_work *work); 964 int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out, 965 int out_size); 966 int mlx5_cmd_exec_polling(struct mlx5_core_dev *dev, void *in, int in_size, 967 void *out, int out_size); 968 int mlx5_cmd_alloc_uar(struct mlx5_core_dev *dev, u32 *uarn); 969 int mlx5_cmd_free_uar(struct mlx5_core_dev *dev, u32 uarn); 970 int mlx5_alloc_bfreg(struct mlx5_core_dev *mdev, struct mlx5_sq_bfreg *bfreg, 971 bool map_wc, bool fast_path); 972 void mlx5_free_bfreg(struct mlx5_core_dev *mdev, struct mlx5_sq_bfreg *bfreg); 973 struct mlx5_uars_page *mlx5_get_uars_page(struct mlx5_core_dev *mdev); 974 void mlx5_put_uars_page(struct mlx5_core_dev *mdev, struct mlx5_uars_page *up); 975 void mlx5_health_cleanup(struct mlx5_core_dev *dev); 976 int mlx5_health_init(struct mlx5_core_dev *dev); 977 void mlx5_start_health_poll(struct mlx5_core_dev *dev); 978 void mlx5_stop_health_poll(struct mlx5_core_dev *dev, bool disable_health); 979 void mlx5_drain_health_wq(struct mlx5_core_dev *dev); 980 void mlx5_drain_health_recovery(struct mlx5_core_dev *dev); 981 void mlx5_trigger_health_work(struct mlx5_core_dev *dev); 982 void mlx5_trigger_health_watchdog(struct mlx5_core_dev *dev); 983 984 int mlx5_buf_alloc(struct mlx5_core_dev *dev, int size, int max_direct, 985 struct mlx5_buf *buf); 986 void mlx5_buf_free(struct mlx5_core_dev *dev, struct mlx5_buf *buf); 987 int mlx5_core_create_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq, 988 struct mlx5_srq_attr *in); 989 int mlx5_core_destroy_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq); 990 int mlx5_core_query_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq, 991 struct mlx5_srq_attr *out); 992 int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id); 993 int mlx5_core_arm_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq, 994 u16 lwm, int is_srq); 995 void mlx5_init_mr_table(struct mlx5_core_dev *dev); 996 void mlx5_cleanup_mr_table(struct mlx5_core_dev *dev); 997 int mlx5_core_create_mkey_cb(struct mlx5_core_dev *dev, 998 struct mlx5_core_mkey *mkey, 999 struct mlx5_async_ctx *async_ctx, u32 *in, 1000 int inlen, u32 *out, int outlen, 1001 mlx5_async_cbk_t callback, 1002 struct mlx5_async_work *context); 1003 int mlx5_core_create_mkey(struct mlx5_core_dev *dev, 1004 struct mlx5_core_mkey *mr, 1005 u32 *in, int inlen); 1006 int mlx5_core_destroy_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mkey *mkey); 1007 int mlx5_core_query_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mkey *mkey, 1008 u32 *out, int outlen); 1009 int mlx5_core_dump_fill_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mkey *mr, 1010 u32 *mkey); 1011 int mlx5_core_alloc_pd(struct mlx5_core_dev *dev, u32 *pdn, u16 uid); 1012 int mlx5_core_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn, u16 uid); 1013 int mlx5_core_mad_ifc(struct mlx5_core_dev *dev, const void *inb, void *outb, 1014 u16 opmod, u8 port); 1015 void mlx5_fwp_flush(struct mlx5_fw_page *fwp); 1016 void mlx5_fwp_invalidate(struct mlx5_fw_page *fwp); 1017 struct mlx5_fw_page *mlx5_fwp_alloc(struct mlx5_core_dev *dev, gfp_t flags, unsigned num); 1018 void mlx5_fwp_free(struct mlx5_fw_page *fwp); 1019 u64 mlx5_fwp_get_dma(struct mlx5_fw_page *fwp, size_t offset); 1020 void *mlx5_fwp_get_virt(struct mlx5_fw_page *fwp, size_t offset); 1021 void mlx5_pagealloc_init(struct mlx5_core_dev *dev); 1022 void mlx5_pagealloc_cleanup(struct mlx5_core_dev *dev); 1023 int mlx5_pagealloc_start(struct mlx5_core_dev *dev); 1024 void mlx5_pagealloc_stop(struct mlx5_core_dev *dev); 1025 void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id, 1026 s32 npages); 1027 int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot); 1028 int mlx5_reclaim_startup_pages(struct mlx5_core_dev *dev); 1029 s64 mlx5_wait_for_reclaim_vfs_pages(struct mlx5_core_dev *dev); 1030 void mlx5_register_debugfs(void); 1031 void mlx5_unregister_debugfs(void); 1032 int mlx5_eq_init(struct mlx5_core_dev *dev); 1033 void mlx5_eq_cleanup(struct mlx5_core_dev *dev); 1034 void mlx5_fill_page_array(struct mlx5_buf *buf, __be64 *pas); 1035 void mlx5_cq_completion(struct mlx5_core_dev *dev, struct mlx5_eqe *eqe); 1036 void mlx5_rsc_event(struct mlx5_core_dev *dev, u32 rsn, int event_type); 1037 void mlx5_srq_event(struct mlx5_core_dev *dev, u32 srqn, int event_type); 1038 struct mlx5_core_srq *mlx5_core_get_srq(struct mlx5_core_dev *dev, u32 srqn); 1039 void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vector, enum mlx5_cmd_mode mode); 1040 void mlx5_cq_event(struct mlx5_core_dev *dev, u32 cqn, int event_type); 1041 int mlx5_create_map_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq, u8 vecidx, 1042 int nent, u64 mask); 1043 int mlx5_destroy_unmap_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq); 1044 int mlx5_start_eqs(struct mlx5_core_dev *dev); 1045 int mlx5_stop_eqs(struct mlx5_core_dev *dev); 1046 int mlx5_vector2eqn(struct mlx5_core_dev *dev, int vector, int *eqn, int *irqn); 1047 int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn); 1048 int mlx5_core_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn); 1049 int mlx5_core_set_dc_cnak_trace(struct mlx5_core_dev *dev, int enable, 1050 u64 addr); 1051 1052 int mlx5_qp_debugfs_init(struct mlx5_core_dev *dev); 1053 void mlx5_qp_debugfs_cleanup(struct mlx5_core_dev *dev); 1054 int mlx5_core_access_reg(struct mlx5_core_dev *dev, void *data_in, 1055 int size_in, void *data_out, int size_out, 1056 u16 reg_num, int arg, int write); 1057 1058 void mlx5_toggle_port_link(struct mlx5_core_dev *dev); 1059 1060 int mlx5_debug_eq_add(struct mlx5_core_dev *dev, struct mlx5_eq *eq); 1061 void mlx5_debug_eq_remove(struct mlx5_core_dev *dev, struct mlx5_eq *eq); 1062 int mlx5_core_eq_query(struct mlx5_core_dev *dev, struct mlx5_eq *eq, 1063 u32 *out, int outlen); 1064 int mlx5_eq_debugfs_init(struct mlx5_core_dev *dev); 1065 void mlx5_eq_debugfs_cleanup(struct mlx5_core_dev *dev); 1066 int mlx5_cq_debugfs_init(struct mlx5_core_dev *dev); 1067 void mlx5_cq_debugfs_cleanup(struct mlx5_core_dev *dev); 1068 int mlx5_db_alloc(struct mlx5_core_dev *dev, struct mlx5_db *db); 1069 void mlx5_db_free(struct mlx5_core_dev *dev, struct mlx5_db *db); 1070 1071 static inline struct domainset * 1072 mlx5_dev_domainset(struct mlx5_core_dev *mdev) 1073 { 1074 return (linux_get_vm_domain_set(mdev->priv.numa_node)); 1075 } 1076 1077 const char *mlx5_command_str(int command); 1078 int mlx5_cmdif_debugfs_init(struct mlx5_core_dev *dev); 1079 void mlx5_cmdif_debugfs_cleanup(struct mlx5_core_dev *dev); 1080 int mlx5_core_create_psv(struct mlx5_core_dev *dev, u32 pdn, 1081 int npsvs, u32 *sig_index); 1082 int mlx5_core_destroy_psv(struct mlx5_core_dev *dev, int psv_num); 1083 void mlx5_core_put_rsc(struct mlx5_core_rsc_common *common); 1084 u8 mlx5_is_wol_supported(struct mlx5_core_dev *dev); 1085 int mlx5_set_wol(struct mlx5_core_dev *dev, u8 wol_mode); 1086 int mlx5_set_dropless_mode(struct mlx5_core_dev *dev, u16 timeout); 1087 int mlx5_query_dropless_mode(struct mlx5_core_dev *dev, u16 *timeout); 1088 int mlx5_query_wol(struct mlx5_core_dev *dev, u8 *wol_mode); 1089 int mlx5_core_access_pvlc(struct mlx5_core_dev *dev, 1090 struct mlx5_pvlc_reg *pvlc, int write); 1091 int mlx5_core_access_ptys(struct mlx5_core_dev *dev, 1092 struct mlx5_ptys_reg *ptys, int write); 1093 int mlx5_core_access_pmtu(struct mlx5_core_dev *dev, 1094 struct mlx5_pmtu_reg *pmtu, int write); 1095 int mlx5_vxlan_udp_port_add(struct mlx5_core_dev *dev, u16 port); 1096 int mlx5_vxlan_udp_port_delete(struct mlx5_core_dev *dev, u16 port); 1097 int mlx5_query_port_cong_status(struct mlx5_core_dev *mdev, int protocol, 1098 int priority, int *is_enable); 1099 int mlx5_modify_port_cong_status(struct mlx5_core_dev *mdev, int protocol, 1100 int priority, int enable); 1101 int mlx5_query_port_cong_params(struct mlx5_core_dev *mdev, int protocol, 1102 void *out, int out_size); 1103 int mlx5_modify_port_cong_params(struct mlx5_core_dev *mdev, 1104 void *in, int in_size); 1105 int mlx5_query_port_cong_statistics(struct mlx5_core_dev *mdev, int clear, 1106 void *out, int out_size); 1107 int mlx5_set_diagnostic_params(struct mlx5_core_dev *mdev, void *in, 1108 int in_size); 1109 int mlx5_query_diagnostic_counters(struct mlx5_core_dev *mdev, 1110 u8 num_of_samples, u16 sample_index, 1111 void *out, int out_size); 1112 int mlx5_vsc_find_cap(struct mlx5_core_dev *mdev); 1113 int mlx5_vsc_lock(struct mlx5_core_dev *mdev); 1114 void mlx5_vsc_unlock(struct mlx5_core_dev *mdev); 1115 int mlx5_vsc_set_space(struct mlx5_core_dev *mdev, u16 space); 1116 int mlx5_vsc_wait_on_flag(struct mlx5_core_dev *mdev, u32 expected); 1117 int mlx5_vsc_write(struct mlx5_core_dev *mdev, u32 addr, const u32 *data); 1118 int mlx5_vsc_read(struct mlx5_core_dev *mdev, u32 addr, u32 *data); 1119 int mlx5_vsc_lock_addr_space(struct mlx5_core_dev *mdev, u32 addr); 1120 int mlx5_vsc_unlock_addr_space(struct mlx5_core_dev *mdev, u32 addr); 1121 int mlx5_pci_read_power_status(struct mlx5_core_dev *mdev, 1122 u16 *p_power, u8 *p_status); 1123 1124 static inline u32 mlx5_mkey_to_idx(u32 mkey) 1125 { 1126 return mkey >> 8; 1127 } 1128 1129 static inline u32 mlx5_idx_to_mkey(u32 mkey_idx) 1130 { 1131 return mkey_idx << 8; 1132 } 1133 1134 static inline u8 mlx5_mkey_variant(u32 mkey) 1135 { 1136 return mkey & 0xff; 1137 } 1138 1139 enum { 1140 MLX5_PROF_MASK_QP_SIZE = (u64)1 << 0, 1141 MLX5_PROF_MASK_MR_CACHE = (u64)1 << 1, 1142 }; 1143 1144 enum { 1145 MAX_MR_CACHE_ENTRIES = 15, 1146 }; 1147 1148 struct mlx5_interface { 1149 void * (*add)(struct mlx5_core_dev *dev); 1150 void (*remove)(struct mlx5_core_dev *dev, void *context); 1151 void (*event)(struct mlx5_core_dev *dev, void *context, 1152 enum mlx5_dev_event event, unsigned long param); 1153 void * (*get_dev)(void *context); 1154 int protocol; 1155 struct list_head list; 1156 }; 1157 1158 void *mlx5_get_protocol_dev(struct mlx5_core_dev *mdev, int protocol); 1159 int mlx5_register_interface(struct mlx5_interface *intf); 1160 void mlx5_unregister_interface(struct mlx5_interface *intf); 1161 1162 unsigned int mlx5_core_reserved_gids_count(struct mlx5_core_dev *dev); 1163 int mlx5_core_roce_gid_set(struct mlx5_core_dev *dev, unsigned int index, 1164 u8 roce_version, u8 roce_l3_type, const u8 *gid, 1165 const u8 *mac, bool vlan, u16 vlan_id); 1166 1167 struct mlx5_profile { 1168 u64 mask; 1169 u8 log_max_qp; 1170 struct { 1171 int size; 1172 int limit; 1173 } mr_cache[MAX_MR_CACHE_ENTRIES]; 1174 }; 1175 1176 enum { 1177 MLX5_PCI_DEV_IS_VF = 1 << 0, 1178 }; 1179 1180 enum { 1181 MLX5_TRIGGERED_CMD_COMP = (u64)1 << 32, 1182 }; 1183 1184 static inline int mlx5_core_is_pf(struct mlx5_core_dev *dev) 1185 { 1186 return !(dev->priv.pci_dev_data & MLX5_PCI_DEV_IS_VF); 1187 } 1188 #ifdef RATELIMIT 1189 int mlx5_init_rl_table(struct mlx5_core_dev *dev); 1190 void mlx5_cleanup_rl_table(struct mlx5_core_dev *dev); 1191 int mlx5_rl_add_rate(struct mlx5_core_dev *dev, u32 rate, u32 burst, u16 *index); 1192 void mlx5_rl_remove_rate(struct mlx5_core_dev *dev, u32 rate, u32 burst); 1193 bool mlx5_rl_is_in_range(const struct mlx5_core_dev *dev, u32 rate, u32 burst); 1194 1195 static inline bool mlx5_rl_is_supported(struct mlx5_core_dev *dev) 1196 { 1197 return !!(dev->priv.rl_table.max_size); 1198 } 1199 #endif 1200 1201 void mlx5_disable_interrupts(struct mlx5_core_dev *); 1202 void mlx5_poll_interrupts(struct mlx5_core_dev *); 1203 1204 static inline int mlx5_get_qp_default_ts(struct mlx5_core_dev *dev) 1205 { 1206 return !MLX5_CAP_ROCE(dev, qp_ts_format) ? 1207 MLX5_QPC_TIMESTAMP_FORMAT_FREE_RUNNING : 1208 MLX5_QPC_TIMESTAMP_FORMAT_DEFAULT; 1209 } 1210 1211 static inline int mlx5_get_rq_default_ts(struct mlx5_core_dev *dev) 1212 { 1213 return !MLX5_CAP_GEN(dev, rq_ts_format) ? 1214 MLX5_RQC_TIMESTAMP_FORMAT_FREE_RUNNING : 1215 MLX5_RQC_TIMESTAMP_FORMAT_DEFAULT; 1216 } 1217 1218 static inline int mlx5_get_sq_default_ts(struct mlx5_core_dev *dev) 1219 { 1220 return !MLX5_CAP_GEN(dev, sq_ts_format) ? 1221 MLX5_SQC_TIMESTAMP_FORMAT_FREE_RUNNING : 1222 MLX5_SQC_TIMESTAMP_FORMAT_DEFAULT; 1223 } 1224 1225 #endif /* MLX5_DRIVER_H */ 1226