1 /* 2 * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved. 3 * 4 * This software is available to you under a choice of one of two 5 * licenses. You may choose to be licensed under the terms of the GNU 6 * General Public License (GPL) Version 2, available from the file 7 * COPYING in the main directory of this source tree, or the 8 * OpenIB.org BSD license below: 9 * 10 * Redistribution and use in source and binary forms, with or 11 * without modification, are permitted provided that the following 12 * conditions are met: 13 * 14 * - Redistributions of source code must retain the above 15 * copyright notice, this list of conditions and the following 16 * disclaimer. 17 * 18 * - Redistributions in binary form must reproduce the above 19 * copyright notice, this list of conditions and the following 20 * disclaimer in the documentation and/or other materials 21 * provided with the distribution. 22 * 23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30 * SOFTWARE. 31 */ 32 33 #ifndef MLX5_DRIVER_H 34 #define MLX5_DRIVER_H 35 36 #include <linux/kernel.h> 37 #include <linux/completion.h> 38 #include <linux/pci.h> 39 #include <linux/irq.h> 40 #include <linux/spinlock_types.h> 41 #include <linux/semaphore.h> 42 #include <linux/slab.h> 43 #include <linux/vmalloc.h> 44 #include <linux/xarray.h> 45 #include <linux/workqueue.h> 46 #include <linux/mempool.h> 47 #include <linux/interrupt.h> 48 #include <linux/idr.h> 49 #include <linux/notifier.h> 50 #include <linux/refcount.h> 51 #include <linux/auxiliary_bus.h> 52 #include <linux/mutex.h> 53 54 #include <linux/mlx5/device.h> 55 #include <linux/mlx5/doorbell.h> 56 #include <linux/mlx5/eq.h> 57 #include <linux/timecounter.h> 58 #include <linux/ptp_clock_kernel.h> 59 #include <net/devlink.h> 60 61 #define MLX5_ADEV_NAME "mlx5_core" 62 63 #define MLX5_IRQ_EQ_CTRL (U8_MAX) 64 65 enum { 66 MLX5_BOARD_ID_LEN = 64, 67 }; 68 69 enum { 70 MLX5_CMD_WQ_MAX_NAME = 32, 71 }; 72 73 enum { 74 CMD_OWNER_SW = 0x0, 75 CMD_OWNER_HW = 0x1, 76 CMD_STATUS_SUCCESS = 0, 77 }; 78 79 enum mlx5_sqp_t { 80 MLX5_SQP_SMI = 0, 81 MLX5_SQP_GSI = 1, 82 MLX5_SQP_IEEE_1588 = 2, 83 MLX5_SQP_SNIFFER = 3, 84 MLX5_SQP_SYNC_UMR = 4, 85 }; 86 87 enum { 88 MLX5_MAX_PORTS = 4, 89 }; 90 91 enum { 92 MLX5_ATOMIC_MODE_OFFSET = 16, 93 MLX5_ATOMIC_MODE_IB_COMP = 1, 94 MLX5_ATOMIC_MODE_CX = 2, 95 MLX5_ATOMIC_MODE_8B = 3, 96 MLX5_ATOMIC_MODE_16B = 4, 97 MLX5_ATOMIC_MODE_32B = 5, 98 MLX5_ATOMIC_MODE_64B = 6, 99 MLX5_ATOMIC_MODE_128B = 7, 100 MLX5_ATOMIC_MODE_256B = 8, 101 }; 102 103 enum { 104 MLX5_REG_SBPR = 0xb001, 105 MLX5_REG_SBCM = 0xb002, 106 MLX5_REG_QPTS = 0x4002, 107 MLX5_REG_QETCR = 0x4005, 108 MLX5_REG_QTCT = 0x400a, 109 MLX5_REG_QPDPM = 0x4013, 110 MLX5_REG_QCAM = 0x4019, 111 MLX5_REG_DCBX_PARAM = 0x4020, 112 MLX5_REG_DCBX_APP = 0x4021, 113 MLX5_REG_FPGA_CAP = 0x4022, 114 MLX5_REG_FPGA_CTRL = 0x4023, 115 MLX5_REG_FPGA_ACCESS_REG = 0x4024, 116 MLX5_REG_CORE_DUMP = 0x402e, 117 MLX5_REG_PCAP = 0x5001, 118 MLX5_REG_PMTU = 0x5003, 119 MLX5_REG_PTYS = 0x5004, 120 MLX5_REG_PAOS = 0x5006, 121 MLX5_REG_PFCC = 0x5007, 122 MLX5_REG_PPCNT = 0x5008, 123 MLX5_REG_PPTB = 0x500b, 124 MLX5_REG_PBMC = 0x500c, 125 MLX5_REG_PMAOS = 0x5012, 126 MLX5_REG_PUDE = 0x5009, 127 MLX5_REG_PMPE = 0x5010, 128 MLX5_REG_PELC = 0x500e, 129 MLX5_REG_PVLC = 0x500f, 130 MLX5_REG_PCMR = 0x5041, 131 MLX5_REG_PDDR = 0x5031, 132 MLX5_REG_PMLP = 0x5002, 133 MLX5_REG_PPLM = 0x5023, 134 MLX5_REG_PCAM = 0x507f, 135 MLX5_REG_NODE_DESC = 0x6001, 136 MLX5_REG_HOST_ENDIANNESS = 0x7004, 137 MLX5_REG_MTCAP = 0x9009, 138 MLX5_REG_MTMP = 0x900A, 139 MLX5_REG_MCIA = 0x9014, 140 MLX5_REG_MFRL = 0x9028, 141 MLX5_REG_MLCR = 0x902b, 142 MLX5_REG_MRTC = 0x902d, 143 MLX5_REG_MTRC_CAP = 0x9040, 144 MLX5_REG_MTRC_CONF = 0x9041, 145 MLX5_REG_MTRC_STDB = 0x9042, 146 MLX5_REG_MTRC_CTRL = 0x9043, 147 MLX5_REG_MPEIN = 0x9050, 148 MLX5_REG_MPCNT = 0x9051, 149 MLX5_REG_MTPPS = 0x9053, 150 MLX5_REG_MTPPSE = 0x9054, 151 MLX5_REG_MTUTC = 0x9055, 152 MLX5_REG_MPEGC = 0x9056, 153 MLX5_REG_MCQS = 0x9060, 154 MLX5_REG_MCQI = 0x9061, 155 MLX5_REG_MCC = 0x9062, 156 MLX5_REG_MCDA = 0x9063, 157 MLX5_REG_MCAM = 0x907f, 158 MLX5_REG_MIRC = 0x9162, 159 MLX5_REG_SBCAM = 0xB01F, 160 MLX5_REG_RESOURCE_DUMP = 0xC000, 161 MLX5_REG_DTOR = 0xC00E, 162 }; 163 164 enum mlx5_qpts_trust_state { 165 MLX5_QPTS_TRUST_PCP = 1, 166 MLX5_QPTS_TRUST_DSCP = 2, 167 }; 168 169 enum mlx5_dcbx_oper_mode { 170 MLX5E_DCBX_PARAM_VER_OPER_HOST = 0x0, 171 MLX5E_DCBX_PARAM_VER_OPER_AUTO = 0x3, 172 }; 173 174 enum { 175 MLX5_ATOMIC_OPS_CMP_SWAP = 1 << 0, 176 MLX5_ATOMIC_OPS_FETCH_ADD = 1 << 1, 177 MLX5_ATOMIC_OPS_EXTENDED_CMP_SWAP = 1 << 2, 178 MLX5_ATOMIC_OPS_EXTENDED_FETCH_ADD = 1 << 3, 179 }; 180 181 enum mlx5_page_fault_resume_flags { 182 MLX5_PAGE_FAULT_RESUME_REQUESTOR = 1 << 0, 183 MLX5_PAGE_FAULT_RESUME_WRITE = 1 << 1, 184 MLX5_PAGE_FAULT_RESUME_RDMA = 1 << 2, 185 MLX5_PAGE_FAULT_RESUME_ERROR = 1 << 7, 186 }; 187 188 enum dbg_rsc_type { 189 MLX5_DBG_RSC_QP, 190 MLX5_DBG_RSC_EQ, 191 MLX5_DBG_RSC_CQ, 192 }; 193 194 enum port_state_policy { 195 MLX5_POLICY_DOWN = 0, 196 MLX5_POLICY_UP = 1, 197 MLX5_POLICY_FOLLOW = 2, 198 MLX5_POLICY_INVALID = 0xffffffff 199 }; 200 201 enum mlx5_coredev_type { 202 MLX5_COREDEV_PF, 203 MLX5_COREDEV_VF, 204 MLX5_COREDEV_SF, 205 }; 206 207 struct mlx5_field_desc { 208 int i; 209 }; 210 211 struct mlx5_rsc_debug { 212 struct mlx5_core_dev *dev; 213 void *object; 214 enum dbg_rsc_type type; 215 struct dentry *root; 216 struct mlx5_field_desc fields[]; 217 }; 218 219 enum mlx5_dev_event { 220 MLX5_DEV_EVENT_SYS_ERROR = 128, /* 0 - 127 are FW events */ 221 MLX5_DEV_EVENT_PORT_AFFINITY = 129, 222 MLX5_DEV_EVENT_MULTIPORT_ESW = 130, 223 }; 224 225 enum mlx5_port_status { 226 MLX5_PORT_UP = 1, 227 MLX5_PORT_DOWN = 2, 228 }; 229 230 enum mlx5_cmdif_state { 231 MLX5_CMDIF_STATE_UNINITIALIZED, 232 MLX5_CMDIF_STATE_UP, 233 MLX5_CMDIF_STATE_DOWN, 234 }; 235 236 struct mlx5_cmd_first { 237 __be32 data[4]; 238 }; 239 240 struct mlx5_cmd_msg { 241 struct list_head list; 242 struct cmd_msg_cache *parent; 243 u32 len; 244 struct mlx5_cmd_first first; 245 struct mlx5_cmd_mailbox *next; 246 }; 247 248 struct mlx5_cmd_debug { 249 struct dentry *dbg_root; 250 void *in_msg; 251 void *out_msg; 252 u8 status; 253 u16 inlen; 254 u16 outlen; 255 }; 256 257 struct cmd_msg_cache { 258 /* protect block chain allocations 259 */ 260 spinlock_t lock; 261 struct list_head head; 262 unsigned int max_inbox_size; 263 unsigned int num_ent; 264 }; 265 266 enum { 267 MLX5_NUM_COMMAND_CACHES = 5, 268 }; 269 270 struct mlx5_cmd_stats { 271 u64 sum; 272 u64 n; 273 /* number of times command failed */ 274 u64 failed; 275 /* number of times command failed on bad status returned by FW */ 276 u64 failed_mbox_status; 277 /* last command failed returned errno */ 278 u32 last_failed_errno; 279 /* last bad status returned by FW */ 280 u8 last_failed_mbox_status; 281 /* last command failed syndrome returned by FW */ 282 u32 last_failed_syndrome; 283 struct dentry *root; 284 /* protect command average calculations */ 285 spinlock_t lock; 286 }; 287 288 struct mlx5_cmd { 289 struct mlx5_nb nb; 290 291 /* members which needs to be queried or reinitialized each reload */ 292 struct { 293 u16 cmdif_rev; 294 u8 log_sz; 295 u8 log_stride; 296 int max_reg_cmds; 297 unsigned long bitmask; 298 struct semaphore sem; 299 struct semaphore pages_sem; 300 struct semaphore throttle_sem; 301 } vars; 302 enum mlx5_cmdif_state state; 303 void *cmd_alloc_buf; 304 dma_addr_t alloc_dma; 305 int alloc_size; 306 void *cmd_buf; 307 dma_addr_t dma; 308 309 /* protect command queue allocations 310 */ 311 spinlock_t alloc_lock; 312 313 /* protect token allocations 314 */ 315 spinlock_t token_lock; 316 u8 token; 317 char wq_name[MLX5_CMD_WQ_MAX_NAME]; 318 struct workqueue_struct *wq; 319 int mode; 320 u16 allowed_opcode; 321 struct mlx5_cmd_work_ent *ent_arr[MLX5_MAX_COMMANDS]; 322 struct dma_pool *pool; 323 struct mlx5_cmd_debug dbg; 324 struct cmd_msg_cache cache[MLX5_NUM_COMMAND_CACHES]; 325 int checksum_disabled; 326 struct xarray stats; 327 }; 328 329 struct mlx5_cmd_mailbox { 330 void *buf; 331 dma_addr_t dma; 332 struct mlx5_cmd_mailbox *next; 333 }; 334 335 struct mlx5_buf_list { 336 void *buf; 337 dma_addr_t map; 338 }; 339 340 struct mlx5_frag_buf { 341 struct mlx5_buf_list *frags; 342 int npages; 343 int size; 344 u8 page_shift; 345 }; 346 347 struct mlx5_frag_buf_ctrl { 348 struct mlx5_buf_list *frags; 349 u32 sz_m1; 350 u16 frag_sz_m1; 351 u16 strides_offset; 352 u8 log_sz; 353 u8 log_stride; 354 u8 log_frag_strides; 355 }; 356 357 struct mlx5_core_psv { 358 u32 psv_idx; 359 struct psv_layout { 360 u32 pd; 361 u16 syndrome; 362 u16 reserved; 363 u16 bg; 364 u16 app_tag; 365 u32 ref_tag; 366 } psv; 367 }; 368 369 struct mlx5_core_sig_ctx { 370 struct mlx5_core_psv psv_memory; 371 struct mlx5_core_psv psv_wire; 372 struct ib_sig_err err_item; 373 bool sig_status_checked; 374 bool sig_err_exists; 375 u32 sigerr_count; 376 }; 377 378 #define MLX5_24BIT_MASK ((1 << 24) - 1) 379 380 enum mlx5_res_type { 381 MLX5_RES_QP = MLX5_EVENT_QUEUE_TYPE_QP, 382 MLX5_RES_RQ = MLX5_EVENT_QUEUE_TYPE_RQ, 383 MLX5_RES_SQ = MLX5_EVENT_QUEUE_TYPE_SQ, 384 MLX5_RES_SRQ = 3, 385 MLX5_RES_XSRQ = 4, 386 MLX5_RES_XRQ = 5, 387 }; 388 389 struct mlx5_core_rsc_common { 390 enum mlx5_res_type res; 391 refcount_t refcount; 392 struct completion free; 393 }; 394 395 struct mlx5_uars_page { 396 void __iomem *map; 397 bool wc; 398 u32 index; 399 struct list_head list; 400 unsigned int bfregs; 401 unsigned long *reg_bitmap; /* for non fast path bf regs */ 402 unsigned long *fp_bitmap; 403 unsigned int reg_avail; 404 unsigned int fp_avail; 405 struct kref ref_count; 406 struct mlx5_core_dev *mdev; 407 }; 408 409 struct mlx5_bfreg_head { 410 /* protect blue flame registers allocations */ 411 struct mutex lock; 412 struct list_head list; 413 }; 414 415 struct mlx5_bfreg_data { 416 struct mlx5_bfreg_head reg_head; 417 struct mlx5_bfreg_head wc_head; 418 }; 419 420 struct mlx5_sq_bfreg { 421 void __iomem *map; 422 struct mlx5_uars_page *up; 423 bool wc; 424 u32 index; 425 unsigned int offset; 426 }; 427 428 struct mlx5_core_health { 429 struct health_buffer __iomem *health; 430 __be32 __iomem *health_counter; 431 struct timer_list timer; 432 u32 prev; 433 int miss_counter; 434 u8 synd; 435 u32 fatal_error; 436 u32 crdump_size; 437 struct workqueue_struct *wq; 438 unsigned long flags; 439 struct work_struct fatal_report_work; 440 struct work_struct report_work; 441 struct devlink_health_reporter *fw_reporter; 442 struct devlink_health_reporter *fw_fatal_reporter; 443 struct devlink_health_reporter *vnic_reporter; 444 struct delayed_work update_fw_log_ts_work; 445 }; 446 447 enum { 448 MLX5_PF_NOTIFY_DISABLE_VF, 449 MLX5_PF_NOTIFY_ENABLE_VF, 450 }; 451 452 struct mlx5_vf_context { 453 int enabled; 454 u64 port_guid; 455 u64 node_guid; 456 /* Valid bits are used to validate administrative guid only. 457 * Enabled after ndo_set_vf_guid 458 */ 459 u8 port_guid_valid:1; 460 u8 node_guid_valid:1; 461 enum port_state_policy policy; 462 struct blocking_notifier_head notifier; 463 }; 464 465 struct mlx5_core_sriov { 466 struct mlx5_vf_context *vfs_ctx; 467 int num_vfs; 468 u16 max_vfs; 469 u16 max_ec_vfs; 470 }; 471 472 struct mlx5_fc_pool { 473 struct mlx5_core_dev *dev; 474 struct mutex pool_lock; /* protects pool lists */ 475 struct list_head fully_used; 476 struct list_head partially_used; 477 struct list_head unused; 478 int available_fcs; 479 int used_fcs; 480 int threshold; 481 }; 482 483 struct mlx5_fc_stats { 484 spinlock_t counters_idr_lock; /* protects counters_idr */ 485 struct idr counters_idr; 486 struct list_head counters; 487 struct llist_head addlist; 488 struct llist_head dellist; 489 490 struct workqueue_struct *wq; 491 struct delayed_work work; 492 unsigned long next_query; 493 unsigned long sampling_interval; /* jiffies */ 494 u32 *bulk_query_out; 495 int bulk_query_len; 496 size_t num_counters; 497 bool bulk_query_alloc_failed; 498 unsigned long next_bulk_query_alloc; 499 struct mlx5_fc_pool fc_pool; 500 }; 501 502 struct mlx5_events; 503 struct mlx5_mpfs; 504 struct mlx5_eswitch; 505 struct mlx5_lag; 506 struct mlx5_devcom_dev; 507 struct mlx5_fw_reset; 508 struct mlx5_eq_table; 509 struct mlx5_irq_table; 510 struct mlx5_vhca_state_notifier; 511 struct mlx5_sf_dev_table; 512 struct mlx5_sf_hw_table; 513 struct mlx5_sf_table; 514 struct mlx5_crypto_dek_priv; 515 516 struct mlx5_rate_limit { 517 u32 rate; 518 u32 max_burst_sz; 519 u16 typical_pkt_sz; 520 }; 521 522 struct mlx5_rl_entry { 523 u8 rl_raw[MLX5_ST_SZ_BYTES(set_pp_rate_limit_context)]; 524 u64 refcount; 525 u16 index; 526 u16 uid; 527 u8 dedicated : 1; 528 }; 529 530 struct mlx5_rl_table { 531 /* protect rate limit table */ 532 struct mutex rl_lock; 533 u16 max_size; 534 u32 max_rate; 535 u32 min_rate; 536 struct mlx5_rl_entry *rl_entry; 537 u64 refcount; 538 }; 539 540 struct mlx5_core_roce { 541 struct mlx5_flow_table *ft; 542 struct mlx5_flow_group *fg; 543 struct mlx5_flow_handle *allow_rule; 544 }; 545 546 enum { 547 MLX5_PRIV_FLAGS_DISABLE_IB_ADEV = 1 << 0, 548 MLX5_PRIV_FLAGS_DISABLE_ALL_ADEV = 1 << 1, 549 /* Set during device detach to block any further devices 550 * creation/deletion on drivers rescan. Unset during device attach. 551 */ 552 MLX5_PRIV_FLAGS_DETACH = 1 << 2, 553 }; 554 555 struct mlx5_adev { 556 struct auxiliary_device adev; 557 struct mlx5_core_dev *mdev; 558 int idx; 559 }; 560 561 struct mlx5_debugfs_entries { 562 struct dentry *dbg_root; 563 struct dentry *qp_debugfs; 564 struct dentry *eq_debugfs; 565 struct dentry *cq_debugfs; 566 struct dentry *cmdif_debugfs; 567 struct dentry *pages_debugfs; 568 struct dentry *lag_debugfs; 569 }; 570 571 enum mlx5_func_type { 572 MLX5_PF, 573 MLX5_VF, 574 MLX5_SF, 575 MLX5_HOST_PF, 576 MLX5_EC_VF, 577 MLX5_FUNC_TYPE_NUM, 578 }; 579 580 struct mlx5_ft_pool; 581 struct mlx5_priv { 582 /* IRQ table valid only for real pci devices PF or VF */ 583 struct mlx5_irq_table *irq_table; 584 struct mlx5_eq_table *eq_table; 585 586 /* pages stuff */ 587 struct mlx5_nb pg_nb; 588 struct workqueue_struct *pg_wq; 589 struct xarray page_root_xa; 590 atomic_t reg_pages; 591 struct list_head free_list; 592 u32 fw_pages; 593 u32 page_counters[MLX5_FUNC_TYPE_NUM]; 594 u32 fw_pages_alloc_failed; 595 u32 give_pages_dropped; 596 u32 reclaim_pages_discard; 597 598 struct mlx5_core_health health; 599 struct list_head traps; 600 601 struct mlx5_debugfs_entries dbg; 602 603 /* start: alloc staff */ 604 /* protect buffer allocation according to numa node */ 605 struct mutex alloc_mutex; 606 int numa_node; 607 608 struct mutex pgdir_mutex; 609 struct list_head pgdir_list; 610 /* end: alloc staff */ 611 612 struct mlx5_adev **adev; 613 int adev_idx; 614 int sw_vhca_id; 615 struct mlx5_events *events; 616 617 struct mlx5_flow_steering *steering; 618 struct mlx5_mpfs *mpfs; 619 struct mlx5_eswitch *eswitch; 620 struct mlx5_core_sriov sriov; 621 struct mlx5_lag *lag; 622 u32 flags; 623 struct mlx5_devcom_dev *devc; 624 struct mlx5_fw_reset *fw_reset; 625 struct mlx5_core_roce roce; 626 struct mlx5_fc_stats fc_stats; 627 struct mlx5_rl_table rl_table; 628 struct mlx5_ft_pool *ft_pool; 629 630 struct mlx5_bfreg_data bfregs; 631 struct mlx5_uars_page *uar; 632 #ifdef CONFIG_MLX5_SF 633 struct mlx5_vhca_state_notifier *vhca_state_notifier; 634 struct mlx5_sf_dev_table *sf_dev_table; 635 struct mlx5_core_dev *parent_mdev; 636 #endif 637 #ifdef CONFIG_MLX5_SF_MANAGER 638 struct mlx5_sf_hw_table *sf_hw_table; 639 struct mlx5_sf_table *sf_table; 640 #endif 641 }; 642 643 enum mlx5_device_state { 644 MLX5_DEVICE_STATE_UP = 1, 645 MLX5_DEVICE_STATE_INTERNAL_ERROR, 646 }; 647 648 enum mlx5_interface_state { 649 MLX5_INTERFACE_STATE_UP = BIT(0), 650 MLX5_BREAK_FW_WAIT = BIT(1), 651 }; 652 653 enum mlx5_pci_status { 654 MLX5_PCI_STATUS_DISABLED, 655 MLX5_PCI_STATUS_ENABLED, 656 }; 657 658 enum mlx5_pagefault_type_flags { 659 MLX5_PFAULT_REQUESTOR = 1 << 0, 660 MLX5_PFAULT_WRITE = 1 << 1, 661 MLX5_PFAULT_RDMA = 1 << 2, 662 }; 663 664 struct mlx5_td { 665 /* protects tirs list changes while tirs refresh */ 666 struct mutex list_lock; 667 struct list_head tirs_list; 668 u32 tdn; 669 }; 670 671 struct mlx5e_resources { 672 struct mlx5e_hw_objs { 673 u32 pdn; 674 struct mlx5_td td; 675 u32 mkey; 676 struct mlx5_sq_bfreg bfreg; 677 } hw_objs; 678 struct net_device *uplink_netdev; 679 struct mutex uplink_netdev_lock; 680 struct mlx5_crypto_dek_priv *dek_priv; 681 }; 682 683 enum mlx5_sw_icm_type { 684 MLX5_SW_ICM_TYPE_STEERING, 685 MLX5_SW_ICM_TYPE_HEADER_MODIFY, 686 MLX5_SW_ICM_TYPE_HEADER_MODIFY_PATTERN, 687 }; 688 689 #define MLX5_MAX_RESERVED_GIDS 8 690 691 struct mlx5_rsvd_gids { 692 unsigned int start; 693 unsigned int count; 694 struct ida ida; 695 }; 696 697 #define MAX_PIN_NUM 8 698 struct mlx5_pps { 699 u8 pin_caps[MAX_PIN_NUM]; 700 struct work_struct out_work; 701 u64 start[MAX_PIN_NUM]; 702 u8 enabled; 703 u64 min_npps_period; 704 u64 min_out_pulse_duration_ns; 705 }; 706 707 struct mlx5_timer { 708 struct cyclecounter cycles; 709 struct timecounter tc; 710 u32 nominal_c_mult; 711 unsigned long overflow_period; 712 }; 713 714 struct mlx5_clock { 715 struct mlx5_nb pps_nb; 716 seqlock_t lock; 717 struct hwtstamp_config hwtstamp_config; 718 struct ptp_clock *ptp; 719 struct ptp_clock_info ptp_info; 720 struct mlx5_pps pps_info; 721 struct mlx5_timer timer; 722 }; 723 724 struct mlx5_dm; 725 struct mlx5_fw_tracer; 726 struct mlx5_vxlan; 727 struct mlx5_geneve; 728 struct mlx5_hv_vhca; 729 730 #define MLX5_LOG_SW_ICM_BLOCK_SIZE(dev) (MLX5_CAP_DEV_MEM(dev, log_sw_icm_alloc_granularity)) 731 #define MLX5_SW_ICM_BLOCK_SIZE(dev) (1 << MLX5_LOG_SW_ICM_BLOCK_SIZE(dev)) 732 733 enum { 734 MLX5_PROF_MASK_QP_SIZE = (u64)1 << 0, 735 MLX5_PROF_MASK_MR_CACHE = (u64)1 << 1, 736 }; 737 738 enum { 739 MKEY_CACHE_LAST_STD_ENTRY = 20, 740 MLX5_IMR_KSM_CACHE_ENTRY, 741 MAX_MKEY_CACHE_ENTRIES 742 }; 743 744 struct mlx5_profile { 745 u64 mask; 746 u8 log_max_qp; 747 u8 num_cmd_caches; 748 struct { 749 int size; 750 int limit; 751 } mr_cache[MAX_MKEY_CACHE_ENTRIES]; 752 }; 753 754 struct mlx5_hca_cap { 755 u32 cur[MLX5_UN_SZ_DW(hca_cap_union)]; 756 u32 max[MLX5_UN_SZ_DW(hca_cap_union)]; 757 }; 758 759 struct mlx5_core_dev { 760 struct device *device; 761 enum mlx5_coredev_type coredev_type; 762 struct pci_dev *pdev; 763 /* sync pci state */ 764 struct mutex pci_status_mutex; 765 enum mlx5_pci_status pci_status; 766 u8 rev_id; 767 char board_id[MLX5_BOARD_ID_LEN]; 768 struct mlx5_cmd cmd; 769 struct { 770 struct mlx5_hca_cap *hca[MLX5_CAP_NUM]; 771 u32 pcam[MLX5_ST_SZ_DW(pcam_reg)]; 772 u32 mcam[MLX5_MCAM_REGS_NUM][MLX5_ST_SZ_DW(mcam_reg)]; 773 u32 fpga[MLX5_ST_SZ_DW(fpga_cap)]; 774 u32 qcam[MLX5_ST_SZ_DW(qcam_reg)]; 775 u8 embedded_cpu; 776 } caps; 777 struct mlx5_timeouts *timeouts; 778 u64 sys_image_guid; 779 phys_addr_t iseg_base; 780 struct mlx5_init_seg __iomem *iseg; 781 phys_addr_t bar_addr; 782 enum mlx5_device_state state; 783 /* sync interface state */ 784 struct mutex intf_state_mutex; 785 struct lock_class_key lock_key; 786 unsigned long intf_state; 787 struct mlx5_priv priv; 788 struct mlx5_profile profile; 789 u32 issi; 790 struct mlx5e_resources mlx5e_res; 791 struct mlx5_dm *dm; 792 struct mlx5_vxlan *vxlan; 793 struct mlx5_geneve *geneve; 794 struct { 795 struct mlx5_rsvd_gids reserved_gids; 796 u32 roce_en; 797 } roce; 798 #ifdef CONFIG_MLX5_FPGA 799 struct mlx5_fpga_device *fpga; 800 #endif 801 struct mlx5_clock clock; 802 struct mlx5_ib_clock_info *clock_info; 803 struct mlx5_fw_tracer *tracer; 804 struct mlx5_rsc_dump *rsc_dump; 805 u32 vsc_addr; 806 struct mlx5_hv_vhca *hv_vhca; 807 struct mlx5_hwmon *hwmon; 808 u64 num_block_tc; 809 u64 num_block_ipsec; 810 #ifdef CONFIG_MLX5_MACSEC 811 struct mlx5_macsec_fs *macsec_fs; 812 /* MACsec notifier chain to sync MACsec core and IB database */ 813 struct blocking_notifier_head macsec_nh; 814 #endif 815 u64 num_ipsec_offloads; 816 }; 817 818 struct mlx5_db { 819 __be32 *db; 820 union { 821 struct mlx5_db_pgdir *pgdir; 822 struct mlx5_ib_user_db_page *user_page; 823 } u; 824 dma_addr_t dma; 825 int index; 826 }; 827 828 enum { 829 MLX5_COMP_EQ_SIZE = 1024, 830 }; 831 832 enum { 833 MLX5_PTYS_IB = 1 << 0, 834 MLX5_PTYS_EN = 1 << 2, 835 }; 836 837 typedef void (*mlx5_cmd_cbk_t)(int status, void *context); 838 839 enum { 840 MLX5_CMD_ENT_STATE_PENDING_COMP, 841 }; 842 843 struct mlx5_cmd_work_ent { 844 unsigned long state; 845 struct mlx5_cmd_msg *in; 846 struct mlx5_cmd_msg *out; 847 void *uout; 848 int uout_size; 849 mlx5_cmd_cbk_t callback; 850 struct delayed_work cb_timeout_work; 851 void *context; 852 int idx; 853 struct completion handling; 854 struct completion slotted; 855 struct completion done; 856 struct mlx5_cmd *cmd; 857 struct work_struct work; 858 struct mlx5_cmd_layout *lay; 859 int ret; 860 int page_queue; 861 u8 status; 862 u8 token; 863 u64 ts1; 864 u64 ts2; 865 u16 op; 866 bool polling; 867 /* Track the max comp handlers */ 868 refcount_t refcnt; 869 }; 870 871 enum phy_port_state { 872 MLX5_AAA_111 873 }; 874 875 struct mlx5_hca_vport_context { 876 u32 field_select; 877 bool sm_virt_aware; 878 bool has_smi; 879 bool has_raw; 880 enum port_state_policy policy; 881 enum phy_port_state phys_state; 882 enum ib_port_state vport_state; 883 u8 port_physical_state; 884 u64 sys_image_guid; 885 u64 port_guid; 886 u64 node_guid; 887 u32 cap_mask1; 888 u32 cap_mask1_perm; 889 u16 cap_mask2; 890 u16 cap_mask2_perm; 891 u16 lid; 892 u8 init_type_reply; /* bitmask: see ib spec 14.2.5.6 InitTypeReply */ 893 u8 lmc; 894 u8 subnet_timeout; 895 u16 sm_lid; 896 u8 sm_sl; 897 u16 qkey_violation_counter; 898 u16 pkey_violation_counter; 899 bool grh_required; 900 }; 901 902 #define STRUCT_FIELD(header, field) \ 903 .struct_offset_bytes = offsetof(struct ib_unpacked_ ## header, field), \ 904 .struct_size_bytes = sizeof((struct ib_unpacked_ ## header *)0)->field 905 906 extern struct dentry *mlx5_debugfs_root; 907 fw_rev_maj(struct mlx5_core_dev * dev)908 static inline u16 fw_rev_maj(struct mlx5_core_dev *dev) 909 { 910 return ioread32be(&dev->iseg->fw_rev) & 0xffff; 911 } 912 fw_rev_min(struct mlx5_core_dev * dev)913 static inline u16 fw_rev_min(struct mlx5_core_dev *dev) 914 { 915 return ioread32be(&dev->iseg->fw_rev) >> 16; 916 } 917 fw_rev_sub(struct mlx5_core_dev * dev)918 static inline u16 fw_rev_sub(struct mlx5_core_dev *dev) 919 { 920 return ioread32be(&dev->iseg->cmdif_rev_fw_sub) & 0xffff; 921 } 922 mlx5_base_mkey(const u32 key)923 static inline u32 mlx5_base_mkey(const u32 key) 924 { 925 return key & 0xffffff00u; 926 } 927 wq_get_byte_sz(u8 log_sz,u8 log_stride)928 static inline u32 wq_get_byte_sz(u8 log_sz, u8 log_stride) 929 { 930 return ((u32)1 << log_sz) << log_stride; 931 } 932 mlx5_init_fbc_offset(struct mlx5_buf_list * frags,u8 log_stride,u8 log_sz,u16 strides_offset,struct mlx5_frag_buf_ctrl * fbc)933 static inline void mlx5_init_fbc_offset(struct mlx5_buf_list *frags, 934 u8 log_stride, u8 log_sz, 935 u16 strides_offset, 936 struct mlx5_frag_buf_ctrl *fbc) 937 { 938 fbc->frags = frags; 939 fbc->log_stride = log_stride; 940 fbc->log_sz = log_sz; 941 fbc->sz_m1 = (1 << fbc->log_sz) - 1; 942 fbc->log_frag_strides = PAGE_SHIFT - fbc->log_stride; 943 fbc->frag_sz_m1 = (1 << fbc->log_frag_strides) - 1; 944 fbc->strides_offset = strides_offset; 945 } 946 mlx5_init_fbc(struct mlx5_buf_list * frags,u8 log_stride,u8 log_sz,struct mlx5_frag_buf_ctrl * fbc)947 static inline void mlx5_init_fbc(struct mlx5_buf_list *frags, 948 u8 log_stride, u8 log_sz, 949 struct mlx5_frag_buf_ctrl *fbc) 950 { 951 mlx5_init_fbc_offset(frags, log_stride, log_sz, 0, fbc); 952 } 953 mlx5_frag_buf_get_wqe(struct mlx5_frag_buf_ctrl * fbc,u32 ix)954 static inline void *mlx5_frag_buf_get_wqe(struct mlx5_frag_buf_ctrl *fbc, 955 u32 ix) 956 { 957 unsigned int frag; 958 959 ix += fbc->strides_offset; 960 frag = ix >> fbc->log_frag_strides; 961 962 return fbc->frags[frag].buf + ((fbc->frag_sz_m1 & ix) << fbc->log_stride); 963 } 964 965 static inline u32 mlx5_frag_buf_get_idx_last_contig_stride(struct mlx5_frag_buf_ctrl * fbc,u32 ix)966 mlx5_frag_buf_get_idx_last_contig_stride(struct mlx5_frag_buf_ctrl *fbc, u32 ix) 967 { 968 u32 last_frag_stride_idx = (ix + fbc->strides_offset) | fbc->frag_sz_m1; 969 970 return min_t(u32, last_frag_stride_idx - fbc->strides_offset, fbc->sz_m1); 971 } 972 973 enum { 974 CMD_ALLOWED_OPCODE_ALL, 975 }; 976 977 void mlx5_cmd_use_events(struct mlx5_core_dev *dev); 978 void mlx5_cmd_use_polling(struct mlx5_core_dev *dev); 979 void mlx5_cmd_allowed_opcode(struct mlx5_core_dev *dev, u16 opcode); 980 981 struct mlx5_async_ctx { 982 struct mlx5_core_dev *dev; 983 atomic_t num_inflight; 984 struct completion inflight_done; 985 }; 986 987 struct mlx5_async_work; 988 989 typedef void (*mlx5_async_cbk_t)(int status, struct mlx5_async_work *context); 990 991 struct mlx5_async_work { 992 struct mlx5_async_ctx *ctx; 993 mlx5_async_cbk_t user_callback; 994 u16 opcode; /* cmd opcode */ 995 u16 op_mod; /* cmd op_mod */ 996 void *out; /* pointer to the cmd output buffer */ 997 }; 998 999 void mlx5_cmd_init_async_ctx(struct mlx5_core_dev *dev, 1000 struct mlx5_async_ctx *ctx); 1001 void mlx5_cmd_cleanup_async_ctx(struct mlx5_async_ctx *ctx); 1002 int mlx5_cmd_exec_cb(struct mlx5_async_ctx *ctx, void *in, int in_size, 1003 void *out, int out_size, mlx5_async_cbk_t callback, 1004 struct mlx5_async_work *work); 1005 void mlx5_cmd_out_err(struct mlx5_core_dev *dev, u16 opcode, u16 op_mod, void *out); 1006 int mlx5_cmd_do(struct mlx5_core_dev *dev, void *in, int in_size, void *out, int out_size); 1007 int mlx5_cmd_check(struct mlx5_core_dev *dev, int err, void *in, void *out); 1008 int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out, 1009 int out_size); 1010 1011 #define mlx5_cmd_exec_inout(dev, ifc_cmd, in, out) \ 1012 ({ \ 1013 mlx5_cmd_exec(dev, in, MLX5_ST_SZ_BYTES(ifc_cmd##_in), out, \ 1014 MLX5_ST_SZ_BYTES(ifc_cmd##_out)); \ 1015 }) 1016 1017 #define mlx5_cmd_exec_in(dev, ifc_cmd, in) \ 1018 ({ \ 1019 u32 _out[MLX5_ST_SZ_DW(ifc_cmd##_out)] = {}; \ 1020 mlx5_cmd_exec_inout(dev, ifc_cmd, in, _out); \ 1021 }) 1022 1023 int mlx5_cmd_exec_polling(struct mlx5_core_dev *dev, void *in, int in_size, 1024 void *out, int out_size); 1025 bool mlx5_cmd_is_down(struct mlx5_core_dev *dev); 1026 1027 void mlx5_core_uplink_netdev_set(struct mlx5_core_dev *mdev, struct net_device *netdev); 1028 void mlx5_core_uplink_netdev_event_replay(struct mlx5_core_dev *mdev); 1029 1030 void mlx5_core_mp_event_replay(struct mlx5_core_dev *dev, u32 event, void *data); 1031 1032 void mlx5_health_cleanup(struct mlx5_core_dev *dev); 1033 int mlx5_health_init(struct mlx5_core_dev *dev); 1034 void mlx5_start_health_poll(struct mlx5_core_dev *dev); 1035 void mlx5_stop_health_poll(struct mlx5_core_dev *dev, bool disable_health); 1036 void mlx5_start_health_fw_log_up(struct mlx5_core_dev *dev); 1037 void mlx5_drain_health_wq(struct mlx5_core_dev *dev); 1038 void mlx5_trigger_health_work(struct mlx5_core_dev *dev); 1039 int mlx5_frag_buf_alloc_node(struct mlx5_core_dev *dev, int size, 1040 struct mlx5_frag_buf *buf, int node); 1041 void mlx5_frag_buf_free(struct mlx5_core_dev *dev, struct mlx5_frag_buf *buf); 1042 struct mlx5_cmd_mailbox *mlx5_alloc_cmd_mailbox_chain(struct mlx5_core_dev *dev, 1043 gfp_t flags, int npages); 1044 void mlx5_free_cmd_mailbox_chain(struct mlx5_core_dev *dev, 1045 struct mlx5_cmd_mailbox *head); 1046 int mlx5_core_create_mkey(struct mlx5_core_dev *dev, u32 *mkey, u32 *in, 1047 int inlen); 1048 int mlx5_core_destroy_mkey(struct mlx5_core_dev *dev, u32 mkey); 1049 int mlx5_core_query_mkey(struct mlx5_core_dev *dev, u32 mkey, u32 *out, 1050 int outlen); 1051 int mlx5_core_alloc_pd(struct mlx5_core_dev *dev, u32 *pdn); 1052 int mlx5_core_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn); 1053 int mlx5_pagealloc_init(struct mlx5_core_dev *dev); 1054 void mlx5_pagealloc_cleanup(struct mlx5_core_dev *dev); 1055 void mlx5_pagealloc_start(struct mlx5_core_dev *dev); 1056 void mlx5_pagealloc_stop(struct mlx5_core_dev *dev); 1057 void mlx5_pages_debugfs_init(struct mlx5_core_dev *dev); 1058 void mlx5_pages_debugfs_cleanup(struct mlx5_core_dev *dev); 1059 void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id, 1060 s32 npages, bool ec_function); 1061 int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot); 1062 int mlx5_reclaim_startup_pages(struct mlx5_core_dev *dev); 1063 void mlx5_register_debugfs(void); 1064 void mlx5_unregister_debugfs(void); 1065 1066 void mlx5_fill_page_frag_array_perm(struct mlx5_frag_buf *buf, __be64 *pas, u8 perm); 1067 void mlx5_fill_page_frag_array(struct mlx5_frag_buf *frag_buf, __be64 *pas); 1068 int mlx5_comp_eqn_get(struct mlx5_core_dev *dev, u16 vecidx, int *eqn); 1069 int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn); 1070 int mlx5_core_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn); 1071 1072 struct dentry *mlx5_debugfs_get_dev_root(struct mlx5_core_dev *dev); 1073 void mlx5_qp_debugfs_init(struct mlx5_core_dev *dev); 1074 void mlx5_qp_debugfs_cleanup(struct mlx5_core_dev *dev); 1075 int mlx5_access_reg(struct mlx5_core_dev *dev, void *data_in, int size_in, 1076 void *data_out, int size_out, u16 reg_id, int arg, 1077 int write, bool verbose); 1078 int mlx5_core_access_reg(struct mlx5_core_dev *dev, void *data_in, 1079 int size_in, void *data_out, int size_out, 1080 u16 reg_num, int arg, int write); 1081 1082 int mlx5_db_alloc_node(struct mlx5_core_dev *dev, struct mlx5_db *db, 1083 int node); 1084 mlx5_db_alloc(struct mlx5_core_dev * dev,struct mlx5_db * db)1085 static inline int mlx5_db_alloc(struct mlx5_core_dev *dev, struct mlx5_db *db) 1086 { 1087 return mlx5_db_alloc_node(dev, db, dev->priv.numa_node); 1088 } 1089 1090 void mlx5_db_free(struct mlx5_core_dev *dev, struct mlx5_db *db); 1091 1092 const char *mlx5_command_str(int command); 1093 void mlx5_cmdif_debugfs_init(struct mlx5_core_dev *dev); 1094 void mlx5_cmdif_debugfs_cleanup(struct mlx5_core_dev *dev); 1095 int mlx5_core_create_psv(struct mlx5_core_dev *dev, u32 pdn, 1096 int npsvs, u32 *sig_index); 1097 int mlx5_core_destroy_psv(struct mlx5_core_dev *dev, int psv_num); 1098 __be32 mlx5_core_get_terminate_scatter_list_mkey(struct mlx5_core_dev *dev); 1099 void mlx5_core_put_rsc(struct mlx5_core_rsc_common *common); 1100 int mlx5_query_odp_caps(struct mlx5_core_dev *dev, 1101 struct mlx5_odp_caps *odp_caps); 1102 1103 int mlx5_init_rl_table(struct mlx5_core_dev *dev); 1104 void mlx5_cleanup_rl_table(struct mlx5_core_dev *dev); 1105 int mlx5_rl_add_rate(struct mlx5_core_dev *dev, u16 *index, 1106 struct mlx5_rate_limit *rl); 1107 void mlx5_rl_remove_rate(struct mlx5_core_dev *dev, struct mlx5_rate_limit *rl); 1108 bool mlx5_rl_is_in_range(struct mlx5_core_dev *dev, u32 rate); 1109 int mlx5_rl_add_rate_raw(struct mlx5_core_dev *dev, void *rl_in, u16 uid, 1110 bool dedicated_entry, u16 *index); 1111 void mlx5_rl_remove_rate_raw(struct mlx5_core_dev *dev, u16 index); 1112 bool mlx5_rl_are_equal(struct mlx5_rate_limit *rl_0, 1113 struct mlx5_rate_limit *rl_1); 1114 int mlx5_alloc_bfreg(struct mlx5_core_dev *mdev, struct mlx5_sq_bfreg *bfreg, 1115 bool map_wc, bool fast_path); 1116 void mlx5_free_bfreg(struct mlx5_core_dev *mdev, struct mlx5_sq_bfreg *bfreg); 1117 1118 unsigned int mlx5_comp_vectors_max(struct mlx5_core_dev *dev); 1119 int mlx5_comp_vector_get_cpu(struct mlx5_core_dev *dev, int vector); 1120 unsigned int mlx5_core_reserved_gids_count(struct mlx5_core_dev *dev); 1121 int mlx5_core_roce_gid_set(struct mlx5_core_dev *dev, unsigned int index, 1122 u8 roce_version, u8 roce_l3_type, const u8 *gid, 1123 const u8 *mac, bool vlan, u16 vlan_id, u8 port_num); 1124 mlx5_mkey_to_idx(u32 mkey)1125 static inline u32 mlx5_mkey_to_idx(u32 mkey) 1126 { 1127 return mkey >> 8; 1128 } 1129 mlx5_idx_to_mkey(u32 mkey_idx)1130 static inline u32 mlx5_idx_to_mkey(u32 mkey_idx) 1131 { 1132 return mkey_idx << 8; 1133 } 1134 mlx5_mkey_variant(u32 mkey)1135 static inline u8 mlx5_mkey_variant(u32 mkey) 1136 { 1137 return mkey & 0xff; 1138 } 1139 1140 /* Async-atomic event notifier used by mlx5 core to forward FW 1141 * evetns received from event queue to mlx5 consumers. 1142 * Optimise event queue dipatching. 1143 */ 1144 int mlx5_notifier_register(struct mlx5_core_dev *dev, struct notifier_block *nb); 1145 int mlx5_notifier_unregister(struct mlx5_core_dev *dev, struct notifier_block *nb); 1146 1147 /* Async-atomic event notifier used for forwarding 1148 * evetns from the event queue into the to mlx5 events dispatcher, 1149 * eswitch, clock and others. 1150 */ 1151 int mlx5_eq_notifier_register(struct mlx5_core_dev *dev, struct mlx5_nb *nb); 1152 int mlx5_eq_notifier_unregister(struct mlx5_core_dev *dev, struct mlx5_nb *nb); 1153 1154 /* Blocking event notifier used to forward SW events, used for slow path */ 1155 int mlx5_blocking_notifier_register(struct mlx5_core_dev *dev, struct notifier_block *nb); 1156 int mlx5_blocking_notifier_unregister(struct mlx5_core_dev *dev, struct notifier_block *nb); 1157 int mlx5_blocking_notifier_call_chain(struct mlx5_core_dev *dev, unsigned int event, 1158 void *data); 1159 1160 int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id); 1161 1162 int mlx5_cmd_create_vport_lag(struct mlx5_core_dev *dev); 1163 int mlx5_cmd_destroy_vport_lag(struct mlx5_core_dev *dev); 1164 bool mlx5_lag_is_roce(struct mlx5_core_dev *dev); 1165 bool mlx5_lag_is_sriov(struct mlx5_core_dev *dev); 1166 bool mlx5_lag_is_active(struct mlx5_core_dev *dev); 1167 bool mlx5_lag_mode_is_hash(struct mlx5_core_dev *dev); 1168 bool mlx5_lag_is_master(struct mlx5_core_dev *dev); 1169 bool mlx5_lag_is_shared_fdb(struct mlx5_core_dev *dev); 1170 bool mlx5_lag_is_mpesw(struct mlx5_core_dev *dev); 1171 struct net_device *mlx5_lag_get_roce_netdev(struct mlx5_core_dev *dev); 1172 u8 mlx5_lag_get_slave_port(struct mlx5_core_dev *dev, 1173 struct net_device *slave); 1174 int mlx5_lag_query_cong_counters(struct mlx5_core_dev *dev, 1175 u64 *values, 1176 int num_counters, 1177 size_t *offsets); 1178 struct mlx5_core_dev *mlx5_lag_get_next_peer_mdev(struct mlx5_core_dev *dev, int *i); 1179 1180 #define mlx5_lag_for_each_peer_mdev(dev, peer, i) \ 1181 for (i = 0, peer = mlx5_lag_get_next_peer_mdev(dev, &i); \ 1182 peer; \ 1183 peer = mlx5_lag_get_next_peer_mdev(dev, &i)) 1184 1185 u8 mlx5_lag_get_num_ports(struct mlx5_core_dev *dev); 1186 struct mlx5_uars_page *mlx5_get_uars_page(struct mlx5_core_dev *mdev); 1187 void mlx5_put_uars_page(struct mlx5_core_dev *mdev, struct mlx5_uars_page *up); 1188 int mlx5_dm_sw_icm_alloc(struct mlx5_core_dev *dev, enum mlx5_sw_icm_type type, 1189 u64 length, u32 log_alignment, u16 uid, 1190 phys_addr_t *addr, u32 *obj_id); 1191 int mlx5_dm_sw_icm_dealloc(struct mlx5_core_dev *dev, enum mlx5_sw_icm_type type, 1192 u64 length, u16 uid, phys_addr_t addr, u32 obj_id); 1193 1194 struct mlx5_core_dev *mlx5_vf_get_core_dev(struct pci_dev *pdev); 1195 void mlx5_vf_put_core_dev(struct mlx5_core_dev *mdev); 1196 1197 int mlx5_sriov_blocking_notifier_register(struct mlx5_core_dev *mdev, 1198 int vf_id, 1199 struct notifier_block *nb); 1200 void mlx5_sriov_blocking_notifier_unregister(struct mlx5_core_dev *mdev, 1201 int vf_id, 1202 struct notifier_block *nb); 1203 #ifdef CONFIG_MLX5_CORE_IPOIB 1204 struct net_device *mlx5_rdma_netdev_alloc(struct mlx5_core_dev *mdev, 1205 struct ib_device *ibdev, 1206 const char *name, 1207 void (*setup)(struct net_device *)); 1208 #endif /* CONFIG_MLX5_CORE_IPOIB */ 1209 int mlx5_rdma_rn_get_params(struct mlx5_core_dev *mdev, 1210 struct ib_device *device, 1211 struct rdma_netdev_alloc_params *params); 1212 1213 enum { 1214 MLX5_PCI_DEV_IS_VF = 1 << 0, 1215 }; 1216 mlx5_core_is_pf(const struct mlx5_core_dev * dev)1217 static inline bool mlx5_core_is_pf(const struct mlx5_core_dev *dev) 1218 { 1219 return dev->coredev_type == MLX5_COREDEV_PF; 1220 } 1221 mlx5_core_is_vf(const struct mlx5_core_dev * dev)1222 static inline bool mlx5_core_is_vf(const struct mlx5_core_dev *dev) 1223 { 1224 return dev->coredev_type == MLX5_COREDEV_VF; 1225 } 1226 mlx5_core_same_coredev_type(const struct mlx5_core_dev * dev1,const struct mlx5_core_dev * dev2)1227 static inline bool mlx5_core_same_coredev_type(const struct mlx5_core_dev *dev1, 1228 const struct mlx5_core_dev *dev2) 1229 { 1230 return dev1->coredev_type == dev2->coredev_type; 1231 } 1232 mlx5_core_is_ecpf(const struct mlx5_core_dev * dev)1233 static inline bool mlx5_core_is_ecpf(const struct mlx5_core_dev *dev) 1234 { 1235 return dev->caps.embedded_cpu; 1236 } 1237 1238 static inline bool mlx5_core_is_ecpf_esw_manager(const struct mlx5_core_dev * dev)1239 mlx5_core_is_ecpf_esw_manager(const struct mlx5_core_dev *dev) 1240 { 1241 return dev->caps.embedded_cpu && MLX5_CAP_GEN(dev, eswitch_manager); 1242 } 1243 mlx5_ecpf_vport_exists(const struct mlx5_core_dev * dev)1244 static inline bool mlx5_ecpf_vport_exists(const struct mlx5_core_dev *dev) 1245 { 1246 return mlx5_core_is_pf(dev) && MLX5_CAP_ESW(dev, ecpf_vport_exists); 1247 } 1248 mlx5_core_max_vfs(const struct mlx5_core_dev * dev)1249 static inline u16 mlx5_core_max_vfs(const struct mlx5_core_dev *dev) 1250 { 1251 return dev->priv.sriov.max_vfs; 1252 } 1253 mlx5_lag_is_lacp_owner(struct mlx5_core_dev * dev)1254 static inline int mlx5_lag_is_lacp_owner(struct mlx5_core_dev *dev) 1255 { 1256 /* LACP owner conditions: 1257 * 1) Function is physical. 1258 * 2) LAG is supported by FW. 1259 * 3) LAG is managed by driver (currently the only option). 1260 */ 1261 return MLX5_CAP_GEN(dev, vport_group_manager) && 1262 (MLX5_CAP_GEN(dev, num_lag_ports) > 1) && 1263 MLX5_CAP_GEN(dev, lag_master); 1264 } 1265 mlx5_core_max_ec_vfs(const struct mlx5_core_dev * dev)1266 static inline u16 mlx5_core_max_ec_vfs(const struct mlx5_core_dev *dev) 1267 { 1268 return dev->priv.sriov.max_ec_vfs; 1269 } 1270 mlx5_get_gid_table_len(u16 param)1271 static inline int mlx5_get_gid_table_len(u16 param) 1272 { 1273 if (param > 4) { 1274 pr_warn("gid table length is zero\n"); 1275 return 0; 1276 } 1277 1278 return 8 * (1 << param); 1279 } 1280 mlx5_rl_is_supported(struct mlx5_core_dev * dev)1281 static inline bool mlx5_rl_is_supported(struct mlx5_core_dev *dev) 1282 { 1283 return !!(dev->priv.rl_table.max_size); 1284 } 1285 mlx5_core_is_mp_slave(struct mlx5_core_dev * dev)1286 static inline int mlx5_core_is_mp_slave(struct mlx5_core_dev *dev) 1287 { 1288 return MLX5_CAP_GEN(dev, affiliate_nic_vport_criteria) && 1289 MLX5_CAP_GEN(dev, num_vhca_ports) <= 1; 1290 } 1291 mlx5_core_is_mp_master(struct mlx5_core_dev * dev)1292 static inline int mlx5_core_is_mp_master(struct mlx5_core_dev *dev) 1293 { 1294 return MLX5_CAP_GEN(dev, num_vhca_ports) > 1; 1295 } 1296 mlx5_core_mp_enabled(struct mlx5_core_dev * dev)1297 static inline int mlx5_core_mp_enabled(struct mlx5_core_dev *dev) 1298 { 1299 return mlx5_core_is_mp_slave(dev) || 1300 mlx5_core_is_mp_master(dev); 1301 } 1302 mlx5_core_native_port_num(struct mlx5_core_dev * dev)1303 static inline int mlx5_core_native_port_num(struct mlx5_core_dev *dev) 1304 { 1305 if (!mlx5_core_mp_enabled(dev)) 1306 return 1; 1307 1308 return MLX5_CAP_GEN(dev, native_port_num); 1309 } 1310 mlx5_get_dev_index(struct mlx5_core_dev * dev)1311 static inline int mlx5_get_dev_index(struct mlx5_core_dev *dev) 1312 { 1313 int idx = MLX5_CAP_GEN(dev, native_port_num); 1314 1315 if (idx >= 1 && idx <= MLX5_MAX_PORTS) 1316 return idx - 1; 1317 else 1318 return PCI_FUNC(dev->pdev->devfn); 1319 } 1320 1321 enum { 1322 MLX5_TRIGGERED_CMD_COMP = (u64)1 << 32, 1323 }; 1324 1325 bool mlx5_is_roce_on(struct mlx5_core_dev *dev); 1326 mlx5_get_roce_state(struct mlx5_core_dev * dev)1327 static inline bool mlx5_get_roce_state(struct mlx5_core_dev *dev) 1328 { 1329 if (MLX5_CAP_GEN(dev, roce_rw_supported)) 1330 return MLX5_CAP_GEN(dev, roce); 1331 1332 /* If RoCE cap is read-only in FW, get RoCE state from devlink 1333 * in order to support RoCE enable/disable feature 1334 */ 1335 return mlx5_is_roce_on(dev); 1336 } 1337 1338 #ifdef CONFIG_MLX5_MACSEC mlx5e_is_macsec_device(const struct mlx5_core_dev * mdev)1339 static inline bool mlx5e_is_macsec_device(const struct mlx5_core_dev *mdev) 1340 { 1341 if (!(MLX5_CAP_GEN_64(mdev, general_obj_types) & 1342 MLX5_GENERAL_OBJ_TYPES_CAP_MACSEC_OFFLOAD)) 1343 return false; 1344 1345 if (!MLX5_CAP_GEN(mdev, log_max_dek)) 1346 return false; 1347 1348 if (!MLX5_CAP_MACSEC(mdev, log_max_macsec_offload)) 1349 return false; 1350 1351 if (!MLX5_CAP_FLOWTABLE_NIC_RX(mdev, macsec_decrypt) || 1352 !MLX5_CAP_FLOWTABLE_NIC_RX(mdev, reformat_remove_macsec)) 1353 return false; 1354 1355 if (!MLX5_CAP_FLOWTABLE_NIC_TX(mdev, macsec_encrypt) || 1356 !MLX5_CAP_FLOWTABLE_NIC_TX(mdev, reformat_add_macsec)) 1357 return false; 1358 1359 if (!MLX5_CAP_MACSEC(mdev, macsec_crypto_esp_aes_gcm_128_encrypt) && 1360 !MLX5_CAP_MACSEC(mdev, macsec_crypto_esp_aes_gcm_256_encrypt)) 1361 return false; 1362 1363 if (!MLX5_CAP_MACSEC(mdev, macsec_crypto_esp_aes_gcm_128_decrypt) && 1364 !MLX5_CAP_MACSEC(mdev, macsec_crypto_esp_aes_gcm_256_decrypt)) 1365 return false; 1366 1367 return true; 1368 } 1369 1370 #define NIC_RDMA_BOTH_DIRS_CAPS (MLX5_FT_NIC_RX_2_NIC_RX_RDMA | MLX5_FT_NIC_TX_RDMA_2_NIC_TX) 1371 mlx5_is_macsec_roce_supported(struct mlx5_core_dev * mdev)1372 static inline bool mlx5_is_macsec_roce_supported(struct mlx5_core_dev *mdev) 1373 { 1374 if (((MLX5_CAP_GEN_2(mdev, flow_table_type_2_type) & 1375 NIC_RDMA_BOTH_DIRS_CAPS) != NIC_RDMA_BOTH_DIRS_CAPS) || 1376 !MLX5_CAP_FLOWTABLE_RDMA_TX(mdev, max_modify_header_actions) || 1377 !mlx5e_is_macsec_device(mdev) || !mdev->macsec_fs) 1378 return false; 1379 1380 return true; 1381 } 1382 #endif 1383 1384 enum { 1385 MLX5_OCTWORD = 16, 1386 }; 1387 1388 struct msi_map mlx5_msix_alloc(struct mlx5_core_dev *dev, 1389 irqreturn_t (*handler)(int, void *), 1390 const struct irq_affinity_desc *affdesc, 1391 const char *name); 1392 void mlx5_msix_free(struct mlx5_core_dev *dev, struct msi_map map); 1393 1394 #endif /* MLX5_DRIVER_H */ 1395