Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/mthca/mthca_dev.h
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1 /* 2 * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. 3 * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved. 4 * Copyright (c) 2005, 2006 Cisco Systems. All rights reserved. 5 * Copyright (c) 2005 Mellanox Technologies. All rights reserved. 6 * Copyright (c) 2004 Voltaire, Inc. All rights reserved. 7 * 8 * This software is available to you under a choice of one of two 9 * licenses. You may choose to be licensed under the terms of the GNU 10 * General Public License (GPL) Version 2, available from the file 11 * COPYING in the main directory of this source tree, or the 12 * OpenIB.org BSD license below: 13 * 14 * Redistribution and use in source and binary forms, with or 15 * without modification, are permitted provided that the following 16 * conditions are met: 17 * 18 * - Redistributions of source code must retain the above 19 * copyright notice, this list of conditions and the following 20 * disclaimer. 21 * 22 * - Redistributions in binary form must reproduce the above 23 * copyright notice, this list of conditions and the following 24 * disclaimer in the documentation and/or other materials 25 * provided with the distribution. 26 * 27 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 28 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 29 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 30 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 31 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 32 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 33 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 34 * SOFTWARE. 35 */ 36 37 #ifndef MTHCA_DEV_H 38 #define MTHCA_DEV_H 39 40 #include <linux/spinlock.h> 41 #include <linux/kernel.h> 42 #include <linux/pci.h> 43 #include <linux/dma-mapping.h> 44 #include <linux/timer.h> 45 #include <linux/mutex.h> 46 #include <linux/list.h> 47 #include <linux/semaphore.h> 48 49 #include "mthca_provider.h" 50 #include "mthca_doorbell.h" 51 52 #define DRV_NAME "ib_mthca" 53 #define PFX DRV_NAME ": " 54 #ifndef DRV_VERSION 55 #define DRV_VERSION "1.0" 56 #endif 57 #define DRV_RELDATE "April 4, 2008" 58 59 enum { 60 MTHCA_FLAG_DDR_HIDDEN = 1 << 1, 61 MTHCA_FLAG_SRQ = 1 << 2, 62 MTHCA_FLAG_MSI_X = 1 << 3, 63 MTHCA_FLAG_NO_LAM = 1 << 4, 64 MTHCA_FLAG_FMR = 1 << 5, 65 MTHCA_FLAG_MEMFREE = 1 << 6, 66 MTHCA_FLAG_PCIE = 1 << 7, 67 MTHCA_FLAG_SINAI_OPT = 1 << 8 68 }; 69 70 enum { 71 MTHCA_MAX_PORTS = 2 72 }; 73 74 enum { 75 MTHCA_BOARD_ID_LEN = 64 76 }; 77 78 enum { 79 MTHCA_EQ_CONTEXT_SIZE = 0x40, 80 MTHCA_CQ_CONTEXT_SIZE = 0x40, 81 MTHCA_QP_CONTEXT_SIZE = 0x200, 82 MTHCA_RDB_ENTRY_SIZE = 0x20, 83 MTHCA_AV_SIZE = 0x20, 84 MTHCA_MGM_ENTRY_SIZE = 0x100, 85 86 /* Arbel FW gives us these, but we need them for Tavor */ 87 MTHCA_MPT_ENTRY_SIZE = 0x40, 88 MTHCA_MTT_SEG_SIZE = 0x40, 89 90 MTHCA_QP_PER_MGM = 4 * (MTHCA_MGM_ENTRY_SIZE / 16 - 2) 91 }; 92 93 enum { 94 MTHCA_EQ_CMD, 95 MTHCA_EQ_ASYNC, 96 MTHCA_EQ_COMP, 97 MTHCA_NUM_EQ 98 }; 99 100 enum { 101 MTHCA_OPCODE_NOP = 0x00, 102 MTHCA_OPCODE_RDMA_WRITE = 0x08, 103 MTHCA_OPCODE_RDMA_WRITE_IMM = 0x09, 104 MTHCA_OPCODE_SEND = 0x0a, 105 MTHCA_OPCODE_SEND_IMM = 0x0b, 106 MTHCA_OPCODE_RDMA_READ = 0x10, 107 MTHCA_OPCODE_ATOMIC_CS = 0x11, 108 MTHCA_OPCODE_ATOMIC_FA = 0x12, 109 MTHCA_OPCODE_BIND_MW = 0x18, 110 MTHCA_OPCODE_INVALID = 0xff 111 }; 112 113 enum { 114 MTHCA_CMD_USE_EVENTS = 1 << 0, 115 MTHCA_CMD_POST_DOORBELLS = 1 << 1 116 }; 117 118 enum { 119 MTHCA_CMD_NUM_DBELL_DWORDS = 8 120 }; 121 122 struct mthca_cmd { 123 struct pci_pool *pool; 124 struct mutex hcr_mutex; 125 struct semaphore poll_sem; 126 struct semaphore event_sem; 127 int max_cmds; 128 spinlock_t context_lock; 129 int free_head; 130 struct mthca_cmd_context *context; 131 u16 token_mask; 132 u32 flags; 133 void __iomem *dbell_map; 134 u16 dbell_offsets[MTHCA_CMD_NUM_DBELL_DWORDS]; 135 }; 136 137 struct mthca_limits { 138 int num_ports; 139 int vl_cap; 140 int mtu_cap; 141 int gid_table_len; 142 int pkey_table_len; 143 int local_ca_ack_delay; 144 int num_uars; 145 int max_sg; 146 int num_qps; 147 int max_wqes; 148 int max_desc_sz; 149 int max_qp_init_rdma; 150 int reserved_qps; 151 int num_srqs; 152 int max_srq_wqes; 153 int max_srq_sge; 154 int reserved_srqs; 155 int num_eecs; 156 int reserved_eecs; 157 int num_cqs; 158 int max_cqes; 159 int reserved_cqs; 160 int num_eqs; 161 int reserved_eqs; 162 int num_mpts; 163 int num_mtt_segs; 164 int mtt_seg_size; 165 int fmr_reserved_mtts; 166 int reserved_mtts; 167 int reserved_mrws; 168 int reserved_uars; 169 int num_mgms; 170 int num_amgms; 171 int reserved_mcgs; 172 int num_pds; 173 int reserved_pds; 174 u32 page_size_cap; 175 u32 flags; 176 u16 stat_rate_support; 177 u8 port_width_cap; 178 }; 179 180 struct mthca_alloc { 181 u32 last; 182 u32 top; 183 u32 max; 184 u32 mask; 185 spinlock_t lock; 186 unsigned long *table; 187 }; 188 189 struct mthca_array { 190 struct { 191 void **page; 192 int used; 193 } *page_list; 194 }; 195 196 struct mthca_uar_table { 197 struct mthca_alloc alloc; 198 u64 uarc_base; 199 int uarc_size; 200 }; 201 202 struct mthca_pd_table { 203 struct mthca_alloc alloc; 204 }; 205 206 struct mthca_buddy { 207 unsigned long **bits; 208 int *num_free; 209 int max_order; 210 spinlock_t lock; 211 }; 212 213 struct mthca_mr_table { 214 struct mthca_alloc mpt_alloc; 215 struct mthca_buddy mtt_buddy; 216 struct mthca_buddy *fmr_mtt_buddy; 217 u64 mtt_base; 218 u64 mpt_base; 219 struct mthca_icm_table *mtt_table; 220 struct mthca_icm_table *mpt_table; 221 struct { 222 void __iomem *mpt_base; 223 void __iomem *mtt_base; 224 struct mthca_buddy mtt_buddy; 225 } tavor_fmr; 226 }; 227 228 struct mthca_eq_table { 229 struct mthca_alloc alloc; 230 void __iomem *clr_int; 231 u32 clr_mask; 232 u32 arm_mask; 233 struct mthca_eq eq[MTHCA_NUM_EQ]; 234 u64 icm_virt; 235 struct page *icm_page; 236 dma_addr_t icm_dma; 237 int have_irq; 238 u8 inta_pin; 239 }; 240 241 struct mthca_cq_table { 242 struct mthca_alloc alloc; 243 spinlock_t lock; 244 struct mthca_array cq; 245 struct mthca_icm_table *table; 246 }; 247 248 struct mthca_srq_table { 249 struct mthca_alloc alloc; 250 spinlock_t lock; 251 struct mthca_array srq; 252 struct mthca_icm_table *table; 253 }; 254 255 struct mthca_qp_table { 256 struct mthca_alloc alloc; 257 u32 rdb_base; 258 int rdb_shift; 259 int sqp_start; 260 spinlock_t lock; 261 struct mthca_array qp; 262 struct mthca_icm_table *qp_table; 263 struct mthca_icm_table *eqp_table; 264 struct mthca_icm_table *rdb_table; 265 }; 266 267 struct mthca_av_table { 268 struct pci_pool *pool; 269 int num_ddr_avs; 270 u64 ddr_av_base; 271 void __iomem *av_map; 272 struct mthca_alloc alloc; 273 }; 274 275 struct mthca_mcg_table { 276 struct mutex mutex; 277 struct mthca_alloc alloc; 278 struct mthca_icm_table *table; 279 }; 280 281 struct mthca_catas_err { 282 u64 addr; 283 u32 __iomem *map; 284 u32 size; 285 struct timer_list timer; 286 struct list_head list; 287 }; 288 289 extern struct mutex mthca_device_mutex; 290 291 struct mthca_dev { 292 struct ib_device ib_dev; 293 struct pci_dev *pdev; 294 295 int hca_type; 296 unsigned long mthca_flags; 297 unsigned long device_cap_flags; 298 299 u32 rev_id; 300 char board_id[MTHCA_BOARD_ID_LEN]; 301 302 /* firmware info */ 303 u64 fw_ver; 304 union { 305 struct { 306 u64 fw_start; 307 u64 fw_end; 308 } tavor; 309 struct { 310 u64 clr_int_base; 311 u64 eq_arm_base; 312 u64 eq_set_ci_base; 313 struct mthca_icm *fw_icm; 314 struct mthca_icm *aux_icm; 315 u16 fw_pages; 316 } arbel; 317 } fw; 318 319 u64 ddr_start; 320 u64 ddr_end; 321 322 MTHCA_DECLARE_DOORBELL_LOCK(doorbell_lock) 323 struct mutex cap_mask_mutex; 324 325 void __iomem *hcr; 326 void __iomem *kar; 327 void __iomem *clr_base; 328 union { 329 struct { 330 void __iomem *ecr_base; 331 } tavor; 332 struct { 333 void __iomem *eq_arm; 334 void __iomem *eq_set_ci_base; 335 } arbel; 336 } eq_regs; 337 338 struct mthca_cmd cmd; 339 struct mthca_limits limits; 340 341 struct mthca_uar_table uar_table; 342 struct mthca_pd_table pd_table; 343 struct mthca_mr_table mr_table; 344 struct mthca_eq_table eq_table; 345 struct mthca_cq_table cq_table; 346 struct mthca_srq_table srq_table; 347 struct mthca_qp_table qp_table; 348 struct mthca_av_table av_table; 349 struct mthca_mcg_table mcg_table; 350 351 struct mthca_catas_err catas_err; 352 353 struct mthca_uar driver_uar; 354 struct mthca_db_table *db_tab; 355 struct mthca_pd driver_pd; 356 struct mthca_mr driver_mr; 357 358 struct ib_mad_agent *send_agent[MTHCA_MAX_PORTS][2]; 359 struct ib_ah *sm_ah[MTHCA_MAX_PORTS]; 360 spinlock_t sm_lock; 361 u8 rate[MTHCA_MAX_PORTS]; 362 bool active; 363 }; 364 365 #ifdef CONFIG_INFINIBAND_MTHCA_DEBUG 366 extern int mthca_debug_level; 367 368 #define mthca_dbg(mdev, format, arg...) \ 369 do { \ 370 if (mthca_debug_level) \ 371 dev_printk(KERN_DEBUG, &mdev->pdev->dev, format, ## arg); \ 372 } while (0) 373 374 #else /* CONFIG_INFINIBAND_MTHCA_DEBUG */ 375 376 #define mthca_dbg(mdev, format, arg...) do { (void) mdev; } while (0) 377 378 #endif /* CONFIG_INFINIBAND_MTHCA_DEBUG */ 379 380 #define mthca_err(mdev, format, arg...) \ 381 dev_err(&mdev->pdev->dev, format, ## arg) 382 #define mthca_info(mdev, format, arg...) \ 383 dev_info(&mdev->pdev->dev, format, ## arg) 384 #define mthca_warn(mdev, format, arg...) \ 385 dev_warn(&mdev->pdev->dev, format, ## arg) 386 387 extern void __buggy_use_of_MTHCA_GET(void); 388 extern void __buggy_use_of_MTHCA_PUT(void); 389 390 #define MTHCA_GET(dest, source, offset) \ 391 do { \ 392 void *__p = (char *) (source) + (offset); \ 393 switch (sizeof (dest)) { \ 394 case 1: (dest) = *(u8 *) __p; break; \ 395 case 2: (dest) = be16_to_cpup(__p); break; \ 396 case 4: (dest) = be32_to_cpup(__p); break; \ 397 case 8: (dest) = be64_to_cpup(__p); break; \ 398 default: __buggy_use_of_MTHCA_GET(); \ 399 } \ 400 } while (0) 401 402 #define MTHCA_PUT(dest, source, offset) \ 403 do { \ 404 void *__d = ((char *) (dest) + (offset)); \ 405 switch (sizeof(source)) { \ 406 case 1: *(u8 *) __d = (source); break; \ 407 case 2: *(__be16 *) __d = cpu_to_be16(source); break; \ 408 case 4: *(__be32 *) __d = cpu_to_be32(source); break; \ 409 case 8: *(__be64 *) __d = cpu_to_be64(source); break; \ 410 default: __buggy_use_of_MTHCA_PUT(); \ 411 } \ 412 } while (0) 413 414 int mthca_reset(struct mthca_dev *mdev); 415 416 u32 mthca_alloc(struct mthca_alloc *alloc); 417 void mthca_free(struct mthca_alloc *alloc, u32 obj); 418 int mthca_alloc_init(struct mthca_alloc *alloc, u32 num, u32 mask, 419 u32 reserved); 420 void mthca_alloc_cleanup(struct mthca_alloc *alloc); 421 void *mthca_array_get(struct mthca_array *array, int index); 422 int mthca_array_set(struct mthca_array *array, int index, void *value); 423 void mthca_array_clear(struct mthca_array *array, int index); 424 int mthca_array_init(struct mthca_array *array, int nent); 425 void mthca_array_cleanup(struct mthca_array *array, int nent); 426 int mthca_buf_alloc(struct mthca_dev *dev, int size, int max_direct, 427 union mthca_buf *buf, int *is_direct, struct mthca_pd *pd, 428 int hca_write, struct mthca_mr *mr); 429 void mthca_buf_free(struct mthca_dev *dev, int size, union mthca_buf *buf, 430 int is_direct, struct mthca_mr *mr); 431 432 int mthca_init_uar_table(struct mthca_dev *dev); 433 int mthca_init_pd_table(struct mthca_dev *dev); 434 int mthca_init_mr_table(struct mthca_dev *dev); 435 int mthca_init_eq_table(struct mthca_dev *dev); 436 int mthca_init_cq_table(struct mthca_dev *dev); 437 int mthca_init_srq_table(struct mthca_dev *dev); 438 int mthca_init_qp_table(struct mthca_dev *dev); 439 int mthca_init_av_table(struct mthca_dev *dev); 440 int mthca_init_mcg_table(struct mthca_dev *dev); 441 442 void mthca_cleanup_uar_table(struct mthca_dev *dev); 443 void mthca_cleanup_pd_table(struct mthca_dev *dev); 444 void mthca_cleanup_mr_table(struct mthca_dev *dev); 445 void mthca_cleanup_eq_table(struct mthca_dev *dev); 446 void mthca_cleanup_cq_table(struct mthca_dev *dev); 447 void mthca_cleanup_srq_table(struct mthca_dev *dev); 448 void mthca_cleanup_qp_table(struct mthca_dev *dev); 449 void mthca_cleanup_av_table(struct mthca_dev *dev); 450 void mthca_cleanup_mcg_table(struct mthca_dev *dev); 451 452 int mthca_register_device(struct mthca_dev *dev); 453 void mthca_unregister_device(struct mthca_dev *dev); 454 455 void mthca_start_catas_poll(struct mthca_dev *dev); 456 void mthca_stop_catas_poll(struct mthca_dev *dev); 457 int __mthca_restart_one(struct pci_dev *pdev); 458 int mthca_catas_init(void); 459 void mthca_catas_cleanup(void); 460 461 int mthca_uar_alloc(struct mthca_dev *dev, struct mthca_uar *uar); 462 void mthca_uar_free(struct mthca_dev *dev, struct mthca_uar *uar); 463 464 int mthca_pd_alloc(struct mthca_dev *dev, int privileged, struct mthca_pd *pd); 465 void mthca_pd_free(struct mthca_dev *dev, struct mthca_pd *pd); 466 467 int mthca_write_mtt_size(struct mthca_dev *dev); 468 469 struct mthca_mtt *mthca_alloc_mtt(struct mthca_dev *dev, int size); 470 void mthca_free_mtt(struct mthca_dev *dev, struct mthca_mtt *mtt); 471 int mthca_write_mtt(struct mthca_dev *dev, struct mthca_mtt *mtt, 472 int start_index, u64 *buffer_list, int list_len); 473 int mthca_mr_alloc(struct mthca_dev *dev, u32 pd, int buffer_size_shift, 474 u64 iova, u64 total_size, u32 access, struct mthca_mr *mr); 475 int mthca_mr_alloc_notrans(struct mthca_dev *dev, u32 pd, 476 u32 access, struct mthca_mr *mr); 477 int mthca_mr_alloc_phys(struct mthca_dev *dev, u32 pd, 478 u64 *buffer_list, int buffer_size_shift, 479 int list_len, u64 iova, u64 total_size, 480 u32 access, struct mthca_mr *mr); 481 void mthca_free_mr(struct mthca_dev *dev, struct mthca_mr *mr); 482 483 int mthca_fmr_alloc(struct mthca_dev *dev, u32 pd, 484 u32 access, struct mthca_fmr *fmr); 485 int mthca_tavor_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, 486 int list_len, u64 iova); 487 void mthca_tavor_fmr_unmap(struct mthca_dev *dev, struct mthca_fmr *fmr); 488 int mthca_arbel_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, 489 int list_len, u64 iova); 490 void mthca_arbel_fmr_unmap(struct mthca_dev *dev, struct mthca_fmr *fmr); 491 int mthca_free_fmr(struct mthca_dev *dev, struct mthca_fmr *fmr); 492 493 int mthca_map_eq_icm(struct mthca_dev *dev, u64 icm_virt); 494 void mthca_unmap_eq_icm(struct mthca_dev *dev); 495 496 int mthca_poll_cq(struct ib_cq *ibcq, int num_entries, 497 struct ib_wc *entry); 498 int mthca_tavor_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags); 499 int mthca_arbel_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags); 500 int mthca_init_cq(struct mthca_dev *dev, int nent, 501 struct mthca_ucontext *ctx, u32 pdn, 502 struct mthca_cq *cq); 503 void mthca_free_cq(struct mthca_dev *dev, 504 struct mthca_cq *cq); 505 void mthca_cq_completion(struct mthca_dev *dev, u32 cqn); 506 void mthca_cq_event(struct mthca_dev *dev, u32 cqn, 507 enum ib_event_type event_type); 508 void mthca_cq_clean(struct mthca_dev *dev, struct mthca_cq *cq, u32 qpn, 509 struct mthca_srq *srq); 510 void mthca_cq_resize_copy_cqes(struct mthca_cq *cq); 511 int mthca_alloc_cq_buf(struct mthca_dev *dev, struct mthca_cq_buf *buf, int nent); 512 void mthca_free_cq_buf(struct mthca_dev *dev, struct mthca_cq_buf *buf, int cqe); 513 514 int mthca_alloc_srq(struct mthca_dev *dev, struct mthca_pd *pd, 515 struct ib_srq_attr *attr, struct mthca_srq *srq); 516 void mthca_free_srq(struct mthca_dev *dev, struct mthca_srq *srq); 517 int mthca_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr, 518 enum ib_srq_attr_mask attr_mask, struct ib_udata *udata); 519 int mthca_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr); 520 int mthca_max_srq_sge(struct mthca_dev *dev); 521 void mthca_srq_event(struct mthca_dev *dev, u32 srqn, 522 enum ib_event_type event_type); 523 void mthca_free_srq_wqe(struct mthca_srq *srq, u32 wqe_addr); 524 int mthca_tavor_post_srq_recv(struct ib_srq *srq, struct ib_recv_wr *wr, 525 struct ib_recv_wr **bad_wr); 526 int mthca_arbel_post_srq_recv(struct ib_srq *srq, struct ib_recv_wr *wr, 527 struct ib_recv_wr **bad_wr); 528 529 void mthca_qp_event(struct mthca_dev *dev, u32 qpn, 530 enum ib_event_type event_type); 531 int mthca_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask, 532 struct ib_qp_init_attr *qp_init_attr); 533 int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask, 534 struct ib_udata *udata); 535 int mthca_tavor_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, 536 struct ib_send_wr **bad_wr); 537 int mthca_tavor_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr, 538 struct ib_recv_wr **bad_wr); 539 int mthca_arbel_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, 540 struct ib_send_wr **bad_wr); 541 int mthca_arbel_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr, 542 struct ib_recv_wr **bad_wr); 543 void mthca_free_err_wqe(struct mthca_dev *dev, struct mthca_qp *qp, int is_send, 544 int index, int *dbd, __be32 *new_wqe); 545 int mthca_alloc_qp(struct mthca_dev *dev, 546 struct mthca_pd *pd, 547 struct mthca_cq *send_cq, 548 struct mthca_cq *recv_cq, 549 enum ib_qp_type type, 550 enum ib_sig_type send_policy, 551 struct ib_qp_cap *cap, 552 struct mthca_qp *qp); 553 int mthca_alloc_sqp(struct mthca_dev *dev, 554 struct mthca_pd *pd, 555 struct mthca_cq *send_cq, 556 struct mthca_cq *recv_cq, 557 enum ib_sig_type send_policy, 558 struct ib_qp_cap *cap, 559 int qpn, 560 int port, 561 struct mthca_sqp *sqp); 562 void mthca_free_qp(struct mthca_dev *dev, struct mthca_qp *qp); 563 int mthca_create_ah(struct mthca_dev *dev, 564 struct mthca_pd *pd, 565 struct ib_ah_attr *ah_attr, 566 struct mthca_ah *ah); 567 int mthca_destroy_ah(struct mthca_dev *dev, struct mthca_ah *ah); 568 int mthca_read_ah(struct mthca_dev *dev, struct mthca_ah *ah, 569 struct ib_ud_header *header); 570 int mthca_ah_query(struct ib_ah *ibah, struct ib_ah_attr *attr); 571 int mthca_ah_grh_present(struct mthca_ah *ah); 572 u8 mthca_get_rate(struct mthca_dev *dev, int static_rate, u8 port); 573 enum ib_rate mthca_rate_to_ib(struct mthca_dev *dev, u8 mthca_rate, u8 port); 574 575 int mthca_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid); 576 int mthca_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid); 577 578 int mthca_process_mad(struct ib_device *ibdev, 579 int mad_flags, 580 u8 port_num, 581 const struct ib_wc *in_wc, 582 const struct ib_grh *in_grh, 583 const struct ib_mad_hdr *in, size_t in_mad_size, 584 struct ib_mad_hdr *out, size_t *out_mad_size, 585 u16 *out_mad_pkey_index); 586 int mthca_create_agents(struct mthca_dev *dev); 587 void mthca_free_agents(struct mthca_dev *dev); 588 589 static inline struct mthca_dev *to_mdev(struct ib_device *ibdev) 590 { 591 return container_of(ibdev, struct mthca_dev, ib_dev); 592 } 593 594 static inline int mthca_is_memfree(struct mthca_dev *dev) 595 { 596 return dev->mthca_flags & MTHCA_FLAG_MEMFREE; 597 } 598 599 #endif /* MTHCA_DEV_H */
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