1 /* 2 * Copyright (c) 2013, Mellanox Technologies inc. 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/spinlock_types.h> 40 #include <linux/semaphore.h> 41 #include <linux/slab.h> 42 #include <linux/vmalloc.h> 43 #include <linux/radix-tree.h> 44 45 #include <linux/mlx5/device.h> 46 #include <linux/mlx5/doorbell.h> 47 48 enum { 49 MLX5_BOARD_ID_LEN = 64, 50 MLX5_MAX_NAME_LEN = 16, 51 }; 52 53 enum { 54 /* one minute for the sake of bringup. Generally, commands must always 55 * complete and we may need to increase this timeout value 56 */ 57 MLX5_CMD_TIMEOUT_MSEC = 7200 * 1000, 58 MLX5_CMD_WQ_MAX_NAME = 32, 59 }; 60 61 enum { 62 CMD_OWNER_SW = 0x0, 63 CMD_OWNER_HW = 0x1, 64 CMD_STATUS_SUCCESS = 0, 65 }; 66 67 enum mlx5_sqp_t { 68 MLX5_SQP_SMI = 0, 69 MLX5_SQP_GSI = 1, 70 MLX5_SQP_IEEE_1588 = 2, 71 MLX5_SQP_SNIFFER = 3, 72 MLX5_SQP_SYNC_UMR = 4, 73 }; 74 75 enum { 76 MLX5_MAX_PORTS = 2, 77 }; 78 79 enum { 80 MLX5_EQ_VEC_PAGES = 0, 81 MLX5_EQ_VEC_CMD = 1, 82 MLX5_EQ_VEC_ASYNC = 2, 83 MLX5_EQ_VEC_COMP_BASE, 84 }; 85 86 enum { 87 MLX5_MAX_EQ_NAME = 32 88 }; 89 90 enum { 91 MLX5_ATOMIC_MODE_IB_COMP = 1 << 16, 92 MLX5_ATOMIC_MODE_CX = 2 << 16, 93 MLX5_ATOMIC_MODE_8B = 3 << 16, 94 MLX5_ATOMIC_MODE_16B = 4 << 16, 95 MLX5_ATOMIC_MODE_32B = 5 << 16, 96 MLX5_ATOMIC_MODE_64B = 6 << 16, 97 MLX5_ATOMIC_MODE_128B = 7 << 16, 98 MLX5_ATOMIC_MODE_256B = 8 << 16, 99 }; 100 101 enum { 102 MLX5_CMD_OP_QUERY_HCA_CAP = 0x100, 103 MLX5_CMD_OP_QUERY_ADAPTER = 0x101, 104 MLX5_CMD_OP_INIT_HCA = 0x102, 105 MLX5_CMD_OP_TEARDOWN_HCA = 0x103, 106 MLX5_CMD_OP_ENABLE_HCA = 0x104, 107 MLX5_CMD_OP_DISABLE_HCA = 0x105, 108 MLX5_CMD_OP_QUERY_PAGES = 0x107, 109 MLX5_CMD_OP_MANAGE_PAGES = 0x108, 110 MLX5_CMD_OP_SET_HCA_CAP = 0x109, 111 112 MLX5_CMD_OP_CREATE_MKEY = 0x200, 113 MLX5_CMD_OP_QUERY_MKEY = 0x201, 114 MLX5_CMD_OP_DESTROY_MKEY = 0x202, 115 MLX5_CMD_OP_QUERY_SPECIAL_CONTEXTS = 0x203, 116 117 MLX5_CMD_OP_CREATE_EQ = 0x301, 118 MLX5_CMD_OP_DESTROY_EQ = 0x302, 119 MLX5_CMD_OP_QUERY_EQ = 0x303, 120 121 MLX5_CMD_OP_CREATE_CQ = 0x400, 122 MLX5_CMD_OP_DESTROY_CQ = 0x401, 123 MLX5_CMD_OP_QUERY_CQ = 0x402, 124 MLX5_CMD_OP_MODIFY_CQ = 0x403, 125 126 MLX5_CMD_OP_CREATE_QP = 0x500, 127 MLX5_CMD_OP_DESTROY_QP = 0x501, 128 MLX5_CMD_OP_RST2INIT_QP = 0x502, 129 MLX5_CMD_OP_INIT2RTR_QP = 0x503, 130 MLX5_CMD_OP_RTR2RTS_QP = 0x504, 131 MLX5_CMD_OP_RTS2RTS_QP = 0x505, 132 MLX5_CMD_OP_SQERR2RTS_QP = 0x506, 133 MLX5_CMD_OP_2ERR_QP = 0x507, 134 MLX5_CMD_OP_RTS2SQD_QP = 0x508, 135 MLX5_CMD_OP_SQD2RTS_QP = 0x509, 136 MLX5_CMD_OP_2RST_QP = 0x50a, 137 MLX5_CMD_OP_QUERY_QP = 0x50b, 138 MLX5_CMD_OP_CONF_SQP = 0x50c, 139 MLX5_CMD_OP_MAD_IFC = 0x50d, 140 MLX5_CMD_OP_INIT2INIT_QP = 0x50e, 141 MLX5_CMD_OP_SUSPEND_QP = 0x50f, 142 MLX5_CMD_OP_UNSUSPEND_QP = 0x510, 143 MLX5_CMD_OP_SQD2SQD_QP = 0x511, 144 MLX5_CMD_OP_ALLOC_QP_COUNTER_SET = 0x512, 145 MLX5_CMD_OP_DEALLOC_QP_COUNTER_SET = 0x513, 146 MLX5_CMD_OP_QUERY_QP_COUNTER_SET = 0x514, 147 148 MLX5_CMD_OP_CREATE_PSV = 0x600, 149 MLX5_CMD_OP_DESTROY_PSV = 0x601, 150 MLX5_CMD_OP_QUERY_PSV = 0x602, 151 MLX5_CMD_OP_QUERY_SIG_RULE_TABLE = 0x603, 152 MLX5_CMD_OP_QUERY_BLOCK_SIZE_TABLE = 0x604, 153 154 MLX5_CMD_OP_CREATE_SRQ = 0x700, 155 MLX5_CMD_OP_DESTROY_SRQ = 0x701, 156 MLX5_CMD_OP_QUERY_SRQ = 0x702, 157 MLX5_CMD_OP_ARM_RQ = 0x703, 158 MLX5_CMD_OP_RESIZE_SRQ = 0x704, 159 160 MLX5_CMD_OP_ALLOC_PD = 0x800, 161 MLX5_CMD_OP_DEALLOC_PD = 0x801, 162 MLX5_CMD_OP_ALLOC_UAR = 0x802, 163 MLX5_CMD_OP_DEALLOC_UAR = 0x803, 164 165 MLX5_CMD_OP_ATTACH_TO_MCG = 0x806, 166 MLX5_CMD_OP_DETACH_FROM_MCG = 0x807, 167 168 169 MLX5_CMD_OP_ALLOC_XRCD = 0x80e, 170 MLX5_CMD_OP_DEALLOC_XRCD = 0x80f, 171 172 MLX5_CMD_OP_ACCESS_REG = 0x805, 173 MLX5_CMD_OP_MAX = 0x810, 174 }; 175 176 enum { 177 MLX5_REG_PCAP = 0x5001, 178 MLX5_REG_PMTU = 0x5003, 179 MLX5_REG_PTYS = 0x5004, 180 MLX5_REG_PAOS = 0x5006, 181 MLX5_REG_PMAOS = 0x5012, 182 MLX5_REG_PUDE = 0x5009, 183 MLX5_REG_PMPE = 0x5010, 184 MLX5_REG_PELC = 0x500e, 185 MLX5_REG_PMLP = 0, /* TBD */ 186 MLX5_REG_NODE_DESC = 0x6001, 187 MLX5_REG_HOST_ENDIANNESS = 0x7004, 188 }; 189 190 enum dbg_rsc_type { 191 MLX5_DBG_RSC_QP, 192 MLX5_DBG_RSC_EQ, 193 MLX5_DBG_RSC_CQ, 194 }; 195 196 struct mlx5_field_desc { 197 struct dentry *dent; 198 int i; 199 }; 200 201 struct mlx5_rsc_debug { 202 struct mlx5_core_dev *dev; 203 void *object; 204 enum dbg_rsc_type type; 205 struct dentry *root; 206 struct mlx5_field_desc fields[0]; 207 }; 208 209 enum mlx5_dev_event { 210 MLX5_DEV_EVENT_SYS_ERROR, 211 MLX5_DEV_EVENT_PORT_UP, 212 MLX5_DEV_EVENT_PORT_DOWN, 213 MLX5_DEV_EVENT_PORT_INITIALIZED, 214 MLX5_DEV_EVENT_LID_CHANGE, 215 MLX5_DEV_EVENT_PKEY_CHANGE, 216 MLX5_DEV_EVENT_GUID_CHANGE, 217 MLX5_DEV_EVENT_CLIENT_REREG, 218 }; 219 220 struct mlx5_uuar_info { 221 struct mlx5_uar *uars; 222 int num_uars; 223 int num_low_latency_uuars; 224 unsigned long *bitmap; 225 unsigned int *count; 226 struct mlx5_bf *bfs; 227 228 /* 229 * protect uuar allocation data structs 230 */ 231 struct mutex lock; 232 u32 ver; 233 }; 234 235 struct mlx5_bf { 236 void __iomem *reg; 237 void __iomem *regreg; 238 int buf_size; 239 struct mlx5_uar *uar; 240 unsigned long offset; 241 int need_lock; 242 /* protect blue flame buffer selection when needed 243 */ 244 spinlock_t lock; 245 246 /* serialize 64 bit writes when done as two 32 bit accesses 247 */ 248 spinlock_t lock32; 249 int uuarn; 250 }; 251 252 struct mlx5_cmd_first { 253 __be32 data[4]; 254 }; 255 256 struct mlx5_cmd_msg { 257 struct list_head list; 258 struct cache_ent *cache; 259 u32 len; 260 struct mlx5_cmd_first first; 261 struct mlx5_cmd_mailbox *next; 262 }; 263 264 struct mlx5_cmd_debug { 265 struct dentry *dbg_root; 266 struct dentry *dbg_in; 267 struct dentry *dbg_out; 268 struct dentry *dbg_outlen; 269 struct dentry *dbg_status; 270 struct dentry *dbg_run; 271 void *in_msg; 272 void *out_msg; 273 u8 status; 274 u16 inlen; 275 u16 outlen; 276 }; 277 278 struct cache_ent { 279 /* protect block chain allocations 280 */ 281 spinlock_t lock; 282 struct list_head head; 283 }; 284 285 struct cmd_msg_cache { 286 struct cache_ent large; 287 struct cache_ent med; 288 289 }; 290 291 struct mlx5_cmd_stats { 292 u64 sum; 293 u64 n; 294 struct dentry *root; 295 struct dentry *avg; 296 struct dentry *count; 297 /* protect command average calculations */ 298 spinlock_t lock; 299 }; 300 301 struct mlx5_cmd { 302 void *cmd_buf; 303 dma_addr_t dma; 304 u16 cmdif_rev; 305 u8 log_sz; 306 u8 log_stride; 307 int max_reg_cmds; 308 int events; 309 u32 __iomem *vector; 310 311 /* protect command queue allocations 312 */ 313 spinlock_t alloc_lock; 314 315 /* protect token allocations 316 */ 317 spinlock_t token_lock; 318 u8 token; 319 unsigned long bitmask; 320 char wq_name[MLX5_CMD_WQ_MAX_NAME]; 321 struct workqueue_struct *wq; 322 struct semaphore sem; 323 struct semaphore pages_sem; 324 int mode; 325 struct mlx5_cmd_work_ent *ent_arr[MLX5_MAX_COMMANDS]; 326 struct pci_pool *pool; 327 struct mlx5_cmd_debug dbg; 328 struct cmd_msg_cache cache; 329 int checksum_disabled; 330 struct mlx5_cmd_stats stats[MLX5_CMD_OP_MAX]; 331 }; 332 333 struct mlx5_port_caps { 334 int gid_table_len; 335 int pkey_table_len; 336 }; 337 338 struct mlx5_caps { 339 u8 log_max_eq; 340 u8 log_max_cq; 341 u8 log_max_qp; 342 u8 log_max_mkey; 343 u8 log_max_pd; 344 u8 log_max_srq; 345 u32 max_cqes; 346 int max_wqes; 347 int max_sq_desc_sz; 348 int max_rq_desc_sz; 349 u64 flags; 350 u16 stat_rate_support; 351 int log_max_msg; 352 int num_ports; 353 int max_ra_res_qp; 354 int max_ra_req_qp; 355 int max_srq_wqes; 356 int bf_reg_size; 357 int bf_regs_per_page; 358 struct mlx5_port_caps port[MLX5_MAX_PORTS]; 359 u8 ext_port_cap[MLX5_MAX_PORTS]; 360 int max_vf; 361 u32 reserved_lkey; 362 u8 local_ca_ack_delay; 363 u8 log_max_mcg; 364 u32 max_qp_mcg; 365 int min_page_sz; 366 }; 367 368 struct mlx5_cmd_mailbox { 369 void *buf; 370 dma_addr_t dma; 371 struct mlx5_cmd_mailbox *next; 372 }; 373 374 struct mlx5_buf_list { 375 void *buf; 376 dma_addr_t map; 377 }; 378 379 struct mlx5_buf { 380 struct mlx5_buf_list direct; 381 struct mlx5_buf_list *page_list; 382 int nbufs; 383 int npages; 384 int page_shift; 385 int size; 386 }; 387 388 struct mlx5_eq { 389 struct mlx5_core_dev *dev; 390 __be32 __iomem *doorbell; 391 u32 cons_index; 392 struct mlx5_buf buf; 393 int size; 394 u8 irqn; 395 u8 eqn; 396 int nent; 397 u64 mask; 398 char name[MLX5_MAX_EQ_NAME]; 399 struct list_head list; 400 int index; 401 struct mlx5_rsc_debug *dbg; 402 }; 403 404 405 struct mlx5_core_mr { 406 u64 iova; 407 u64 size; 408 u32 key; 409 u32 pd; 410 u32 access; 411 }; 412 413 struct mlx5_core_srq { 414 u32 srqn; 415 int max; 416 int max_gs; 417 int max_avail_gather; 418 int wqe_shift; 419 void (*event) (struct mlx5_core_srq *, enum mlx5_event); 420 421 atomic_t refcount; 422 struct completion free; 423 }; 424 425 struct mlx5_eq_table { 426 void __iomem *update_ci; 427 void __iomem *update_arm_ci; 428 struct list_head *comp_eq_head; 429 struct mlx5_eq pages_eq; 430 struct mlx5_eq async_eq; 431 struct mlx5_eq cmd_eq; 432 struct msix_entry *msix_arr; 433 int num_comp_vectors; 434 /* protect EQs list 435 */ 436 spinlock_t lock; 437 }; 438 439 struct mlx5_uar { 440 u32 index; 441 struct list_head bf_list; 442 unsigned free_bf_bmap; 443 void __iomem *wc_map; 444 void __iomem *map; 445 }; 446 447 448 struct mlx5_core_health { 449 struct health_buffer __iomem *health; 450 __be32 __iomem *health_counter; 451 struct timer_list timer; 452 struct list_head list; 453 u32 prev; 454 int miss_counter; 455 }; 456 457 struct mlx5_cq_table { 458 /* protect radix tree 459 */ 460 spinlock_t lock; 461 struct radix_tree_root tree; 462 }; 463 464 struct mlx5_qp_table { 465 /* protect radix tree 466 */ 467 spinlock_t lock; 468 struct radix_tree_root tree; 469 }; 470 471 struct mlx5_srq_table { 472 /* protect radix tree 473 */ 474 spinlock_t lock; 475 struct radix_tree_root tree; 476 }; 477 478 struct mlx5_priv { 479 char name[MLX5_MAX_NAME_LEN]; 480 struct mlx5_eq_table eq_table; 481 struct mlx5_uuar_info uuari; 482 MLX5_DECLARE_DOORBELL_LOCK(cq_uar_lock); 483 484 /* pages stuff */ 485 struct workqueue_struct *pg_wq; 486 struct rb_root page_root; 487 int fw_pages; 488 int reg_pages; 489 struct list_head free_list; 490 491 struct mlx5_core_health health; 492 493 struct mlx5_srq_table srq_table; 494 495 /* start: qp staff */ 496 struct mlx5_qp_table qp_table; 497 struct dentry *qp_debugfs; 498 struct dentry *eq_debugfs; 499 struct dentry *cq_debugfs; 500 struct dentry *cmdif_debugfs; 501 /* end: qp staff */ 502 503 /* start: cq staff */ 504 struct mlx5_cq_table cq_table; 505 /* end: cq staff */ 506 507 /* start: alloc staff */ 508 struct mutex pgdir_mutex; 509 struct list_head pgdir_list; 510 /* end: alloc staff */ 511 struct dentry *dbg_root; 512 513 /* protect mkey key part */ 514 spinlock_t mkey_lock; 515 u8 mkey_key; 516 }; 517 518 struct mlx5_core_dev { 519 struct pci_dev *pdev; 520 u8 rev_id; 521 char board_id[MLX5_BOARD_ID_LEN]; 522 struct mlx5_cmd cmd; 523 struct mlx5_caps caps; 524 phys_addr_t iseg_base; 525 struct mlx5_init_seg __iomem *iseg; 526 void (*event) (struct mlx5_core_dev *dev, 527 enum mlx5_dev_event event, 528 void *data); 529 struct mlx5_priv priv; 530 struct mlx5_profile *profile; 531 atomic_t num_qps; 532 }; 533 534 struct mlx5_db { 535 __be32 *db; 536 union { 537 struct mlx5_db_pgdir *pgdir; 538 struct mlx5_ib_user_db_page *user_page; 539 } u; 540 dma_addr_t dma; 541 int index; 542 }; 543 544 enum { 545 MLX5_DB_PER_PAGE = PAGE_SIZE / L1_CACHE_BYTES, 546 }; 547 548 enum { 549 MLX5_COMP_EQ_SIZE = 1024, 550 }; 551 552 struct mlx5_db_pgdir { 553 struct list_head list; 554 DECLARE_BITMAP(bitmap, MLX5_DB_PER_PAGE); 555 __be32 *db_page; 556 dma_addr_t db_dma; 557 }; 558 559 typedef void (*mlx5_cmd_cbk_t)(int status, void *context); 560 561 struct mlx5_cmd_work_ent { 562 struct mlx5_cmd_msg *in; 563 struct mlx5_cmd_msg *out; 564 void *uout; 565 int uout_size; 566 mlx5_cmd_cbk_t callback; 567 void *context; 568 int idx; 569 struct completion done; 570 struct mlx5_cmd *cmd; 571 struct work_struct work; 572 struct mlx5_cmd_layout *lay; 573 int ret; 574 int page_queue; 575 u8 status; 576 u8 token; 577 struct timespec ts1; 578 struct timespec ts2; 579 u16 op; 580 }; 581 582 struct mlx5_pas { 583 u64 pa; 584 u8 log_sz; 585 }; 586 587 static inline void *mlx5_buf_offset(struct mlx5_buf *buf, int offset) 588 { 589 if (likely(BITS_PER_LONG == 64 || buf->nbufs == 1)) 590 return buf->direct.buf + offset; 591 else 592 return buf->page_list[offset >> PAGE_SHIFT].buf + 593 (offset & (PAGE_SIZE - 1)); 594 } 595 596 extern struct workqueue_struct *mlx5_core_wq; 597 598 #define STRUCT_FIELD(header, field) \ 599 .struct_offset_bytes = offsetof(struct ib_unpacked_ ## header, field), \ 600 .struct_size_bytes = sizeof((struct ib_unpacked_ ## header *)0)->field 601 602 struct ib_field { 603 size_t struct_offset_bytes; 604 size_t struct_size_bytes; 605 int offset_bits; 606 int size_bits; 607 }; 608 609 static inline struct mlx5_core_dev *pci2mlx5_core_dev(struct pci_dev *pdev) 610 { 611 return pci_get_drvdata(pdev); 612 } 613 614 extern struct dentry *mlx5_debugfs_root; 615 616 static inline u16 fw_rev_maj(struct mlx5_core_dev *dev) 617 { 618 return ioread32be(&dev->iseg->fw_rev) & 0xffff; 619 } 620 621 static inline u16 fw_rev_min(struct mlx5_core_dev *dev) 622 { 623 return ioread32be(&dev->iseg->fw_rev) >> 16; 624 } 625 626 static inline u16 fw_rev_sub(struct mlx5_core_dev *dev) 627 { 628 return ioread32be(&dev->iseg->cmdif_rev_fw_sub) & 0xffff; 629 } 630 631 static inline u16 cmdif_rev(struct mlx5_core_dev *dev) 632 { 633 return ioread32be(&dev->iseg->cmdif_rev_fw_sub) >> 16; 634 } 635 636 static inline void *mlx5_vzalloc(unsigned long size) 637 { 638 void *rtn; 639 640 rtn = kzalloc(size, GFP_KERNEL | __GFP_NOWARN); 641 if (!rtn) 642 rtn = vzalloc(size); 643 return rtn; 644 } 645 646 static inline void mlx5_vfree(const void *addr) 647 { 648 if (addr && is_vmalloc_addr(addr)) 649 vfree(addr); 650 else 651 kfree(addr); 652 } 653 654 int mlx5_dev_init(struct mlx5_core_dev *dev, struct pci_dev *pdev); 655 void mlx5_dev_cleanup(struct mlx5_core_dev *dev); 656 int mlx5_cmd_init(struct mlx5_core_dev *dev); 657 void mlx5_cmd_cleanup(struct mlx5_core_dev *dev); 658 void mlx5_cmd_use_events(struct mlx5_core_dev *dev); 659 void mlx5_cmd_use_polling(struct mlx5_core_dev *dev); 660 int mlx5_cmd_status_to_err(struct mlx5_outbox_hdr *hdr); 661 int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out, 662 int out_size); 663 int mlx5_cmd_exec_cb(struct mlx5_core_dev *dev, void *in, int in_size, 664 void *out, int out_size, mlx5_cmd_cbk_t callback, 665 void *context); 666 int mlx5_cmd_alloc_uar(struct mlx5_core_dev *dev, u32 *uarn); 667 int mlx5_cmd_free_uar(struct mlx5_core_dev *dev, u32 uarn); 668 int mlx5_alloc_uuars(struct mlx5_core_dev *dev, struct mlx5_uuar_info *uuari); 669 int mlx5_free_uuars(struct mlx5_core_dev *dev, struct mlx5_uuar_info *uuari); 670 void mlx5_health_cleanup(void); 671 void __init mlx5_health_init(void); 672 void mlx5_start_health_poll(struct mlx5_core_dev *dev); 673 void mlx5_stop_health_poll(struct mlx5_core_dev *dev); 674 int mlx5_buf_alloc(struct mlx5_core_dev *dev, int size, int max_direct, 675 struct mlx5_buf *buf); 676 void mlx5_buf_free(struct mlx5_core_dev *dev, struct mlx5_buf *buf); 677 struct mlx5_cmd_mailbox *mlx5_alloc_cmd_mailbox_chain(struct mlx5_core_dev *dev, 678 gfp_t flags, int npages); 679 void mlx5_free_cmd_mailbox_chain(struct mlx5_core_dev *dev, 680 struct mlx5_cmd_mailbox *head); 681 int mlx5_core_create_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq, 682 struct mlx5_create_srq_mbox_in *in, int inlen); 683 int mlx5_core_destroy_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq); 684 int mlx5_core_query_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq, 685 struct mlx5_query_srq_mbox_out *out); 686 int mlx5_core_arm_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq, 687 u16 lwm, int is_srq); 688 int mlx5_core_create_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr, 689 struct mlx5_create_mkey_mbox_in *in, int inlen, 690 mlx5_cmd_cbk_t callback, void *context, 691 struct mlx5_create_mkey_mbox_out *out); 692 int mlx5_core_destroy_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr); 693 int mlx5_core_query_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr, 694 struct mlx5_query_mkey_mbox_out *out, int outlen); 695 int mlx5_core_dump_fill_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr, 696 u32 *mkey); 697 int mlx5_core_alloc_pd(struct mlx5_core_dev *dev, u32 *pdn); 698 int mlx5_core_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn); 699 int mlx5_core_mad_ifc(struct mlx5_core_dev *dev, void *inb, void *outb, 700 u16 opmod, int port); 701 void mlx5_pagealloc_init(struct mlx5_core_dev *dev); 702 void mlx5_pagealloc_cleanup(struct mlx5_core_dev *dev); 703 int mlx5_pagealloc_start(struct mlx5_core_dev *dev); 704 void mlx5_pagealloc_stop(struct mlx5_core_dev *dev); 705 void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id, 706 s32 npages); 707 int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot); 708 int mlx5_reclaim_startup_pages(struct mlx5_core_dev *dev); 709 void mlx5_register_debugfs(void); 710 void mlx5_unregister_debugfs(void); 711 int mlx5_eq_init(struct mlx5_core_dev *dev); 712 void mlx5_eq_cleanup(struct mlx5_core_dev *dev); 713 void mlx5_fill_page_array(struct mlx5_buf *buf, __be64 *pas); 714 void mlx5_cq_completion(struct mlx5_core_dev *dev, u32 cqn); 715 void mlx5_qp_event(struct mlx5_core_dev *dev, u32 qpn, int event_type); 716 void mlx5_srq_event(struct mlx5_core_dev *dev, u32 srqn, int event_type); 717 struct mlx5_core_srq *mlx5_core_get_srq(struct mlx5_core_dev *dev, u32 srqn); 718 void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, unsigned long vector); 719 void mlx5_cq_event(struct mlx5_core_dev *dev, u32 cqn, int event_type); 720 int mlx5_create_map_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq, u8 vecidx, 721 int nent, u64 mask, const char *name, struct mlx5_uar *uar); 722 int mlx5_destroy_unmap_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq); 723 int mlx5_start_eqs(struct mlx5_core_dev *dev); 724 int mlx5_stop_eqs(struct mlx5_core_dev *dev); 725 int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn); 726 int mlx5_core_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn); 727 728 int mlx5_qp_debugfs_init(struct mlx5_core_dev *dev); 729 void mlx5_qp_debugfs_cleanup(struct mlx5_core_dev *dev); 730 int mlx5_core_access_reg(struct mlx5_core_dev *dev, void *data_in, 731 int size_in, void *data_out, int size_out, 732 u16 reg_num, int arg, int write); 733 int mlx5_set_port_caps(struct mlx5_core_dev *dev, int port_num, u32 caps); 734 735 int mlx5_debug_eq_add(struct mlx5_core_dev *dev, struct mlx5_eq *eq); 736 void mlx5_debug_eq_remove(struct mlx5_core_dev *dev, struct mlx5_eq *eq); 737 int mlx5_core_eq_query(struct mlx5_core_dev *dev, struct mlx5_eq *eq, 738 struct mlx5_query_eq_mbox_out *out, int outlen); 739 int mlx5_eq_debugfs_init(struct mlx5_core_dev *dev); 740 void mlx5_eq_debugfs_cleanup(struct mlx5_core_dev *dev); 741 int mlx5_cq_debugfs_init(struct mlx5_core_dev *dev); 742 void mlx5_cq_debugfs_cleanup(struct mlx5_core_dev *dev); 743 int mlx5_db_alloc(struct mlx5_core_dev *dev, struct mlx5_db *db); 744 void mlx5_db_free(struct mlx5_core_dev *dev, struct mlx5_db *db); 745 746 const char *mlx5_command_str(int command); 747 int mlx5_cmdif_debugfs_init(struct mlx5_core_dev *dev); 748 void mlx5_cmdif_debugfs_cleanup(struct mlx5_core_dev *dev); 749 750 static inline u32 mlx5_mkey_to_idx(u32 mkey) 751 { 752 return mkey >> 8; 753 } 754 755 static inline u32 mlx5_idx_to_mkey(u32 mkey_idx) 756 { 757 return mkey_idx << 8; 758 } 759 760 static inline u8 mlx5_mkey_variant(u32 mkey) 761 { 762 return mkey & 0xff; 763 } 764 765 enum { 766 MLX5_PROF_MASK_QP_SIZE = (u64)1 << 0, 767 MLX5_PROF_MASK_MR_CACHE = (u64)1 << 1, 768 }; 769 770 enum { 771 MAX_MR_CACHE_ENTRIES = 16, 772 }; 773 774 struct mlx5_profile { 775 u64 mask; 776 u32 log_max_qp; 777 struct { 778 int size; 779 int limit; 780 } mr_cache[MAX_MR_CACHE_ENTRIES]; 781 }; 782 783 #endif /* MLX5_DRIVER_H */ 784