2 * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
3 * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
4 * Copyright (c) 2005 Cisco Systems. All rights reserved.
5 * Copyright (c) 2005 Mellanox Technologies. All rights reserved.
6 * Copyright (c) 2004 Voltaire, Inc. All rights reserved.
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:
14 * Redistribution and use in source and binary forms, with or
15 * without modification, are permitted provided that the following
18 * - Redistributions of source code must retain the above
19 * copyright notice, this list of conditions and the following
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.
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
36 * $Id: mthca_dev.h 1349 2004-12-16 21:09:43Z roland $
42 #include <linux/spinlock.h>
43 #include <linux/kernel.h>
44 #include <linux/pci.h>
45 #include <linux/dma-mapping.h>
46 #include <linux/timer.h>
47 #include <linux/mutex.h>
49 #include <asm/semaphore.h>
51 #include "mthca_provider.h"
52 #include "mthca_doorbell.h"
54 #define DRV_NAME "ib_mthca"
55 #define PFX DRV_NAME ": "
56 #define DRV_VERSION "0.07"
57 #define DRV_RELDATE "February 13, 2006"
60 MTHCA_FLAG_DDR_HIDDEN = 1 << 1,
61 MTHCA_FLAG_SRQ = 1 << 2,
62 MTHCA_FLAG_MSI = 1 << 3,
63 MTHCA_FLAG_MSI_X = 1 << 4,
64 MTHCA_FLAG_NO_LAM = 1 << 5,
65 MTHCA_FLAG_FMR = 1 << 6,
66 MTHCA_FLAG_MEMFREE = 1 << 7,
67 MTHCA_FLAG_PCIE = 1 << 8
75 MTHCA_BOARD_ID_LEN = 64
79 MTHCA_EQ_CONTEXT_SIZE = 0x40,
80 MTHCA_CQ_CONTEXT_SIZE = 0x40,
81 MTHCA_QP_CONTEXT_SIZE = 0x200,
82 MTHCA_RDB_ENTRY_SIZE = 0x20,
84 MTHCA_MGM_ENTRY_SIZE = 0x40,
86 /* Arbel FW gives us these, but we need them for Tavor */
87 MTHCA_MPT_ENTRY_SIZE = 0x40,
88 MTHCA_MTT_SEG_SIZE = 0x40,
90 MTHCA_QP_PER_MGM = 4 * (MTHCA_MGM_ENTRY_SIZE / 16 - 2)
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
114 struct pci_pool *pool;
116 struct mutex hcr_mutex;
117 struct semaphore poll_sem;
118 struct semaphore event_sem;
120 spinlock_t context_lock;
122 struct mthca_cmd_context *context;
126 struct mthca_limits {
132 int local_ca_ack_delay;
138 int max_qp_init_rdma;
152 int fmr_reserved_mtts;
172 unsigned long *table;
182 struct mthca_uar_table {
183 struct mthca_alloc alloc;
188 struct mthca_pd_table {
189 struct mthca_alloc alloc;
193 unsigned long **bits;
198 struct mthca_mr_table {
199 struct mthca_alloc mpt_alloc;
200 struct mthca_buddy mtt_buddy;
201 struct mthca_buddy *fmr_mtt_buddy;
204 struct mthca_icm_table *mtt_table;
205 struct mthca_icm_table *mpt_table;
207 void __iomem *mpt_base;
208 void __iomem *mtt_base;
209 struct mthca_buddy mtt_buddy;
213 struct mthca_eq_table {
214 struct mthca_alloc alloc;
215 void __iomem *clr_int;
218 struct mthca_eq eq[MTHCA_NUM_EQ];
220 struct page *icm_page;
226 struct mthca_cq_table {
227 struct mthca_alloc alloc;
229 struct mthca_array cq;
230 struct mthca_icm_table *table;
233 struct mthca_srq_table {
234 struct mthca_alloc alloc;
236 struct mthca_array srq;
237 struct mthca_icm_table *table;
240 struct mthca_qp_table {
241 struct mthca_alloc alloc;
246 struct mthca_array qp;
247 struct mthca_icm_table *qp_table;
248 struct mthca_icm_table *eqp_table;
249 struct mthca_icm_table *rdb_table;
252 struct mthca_av_table {
253 struct pci_pool *pool;
256 void __iomem *av_map;
257 struct mthca_alloc alloc;
260 struct mthca_mcg_table {
262 struct mthca_alloc alloc;
263 struct mthca_icm_table *table;
266 struct mthca_catas_err {
271 struct timer_list timer;
275 struct ib_device ib_dev;
276 struct pci_dev *pdev;
279 unsigned long mthca_flags;
280 unsigned long device_cap_flags;
283 char board_id[MTHCA_BOARD_ID_LEN];
296 struct mthca_icm *fw_icm;
297 struct mthca_icm *aux_icm;
305 MTHCA_DECLARE_DOORBELL_LOCK(doorbell_lock)
306 struct mutex cap_mask_mutex;
310 void __iomem *clr_base;
313 void __iomem *ecr_base;
316 void __iomem *eq_arm;
317 void __iomem *eq_set_ci_base;
321 struct mthca_cmd cmd;
322 struct mthca_limits limits;
324 struct mthca_uar_table uar_table;
325 struct mthca_pd_table pd_table;
326 struct mthca_mr_table mr_table;
327 struct mthca_eq_table eq_table;
328 struct mthca_cq_table cq_table;
329 struct mthca_srq_table srq_table;
330 struct mthca_qp_table qp_table;
331 struct mthca_av_table av_table;
332 struct mthca_mcg_table mcg_table;
334 struct mthca_catas_err catas_err;
336 struct mthca_uar driver_uar;
337 struct mthca_db_table *db_tab;
338 struct mthca_pd driver_pd;
339 struct mthca_mr driver_mr;
341 struct ib_mad_agent *send_agent[MTHCA_MAX_PORTS][2];
342 struct ib_ah *sm_ah[MTHCA_MAX_PORTS];
346 #define mthca_dbg(mdev, format, arg...) \
347 dev_dbg(&mdev->pdev->dev, format, ## arg)
348 #define mthca_err(mdev, format, arg...) \
349 dev_err(&mdev->pdev->dev, format, ## arg)
350 #define mthca_info(mdev, format, arg...) \
351 dev_info(&mdev->pdev->dev, format, ## arg)
352 #define mthca_warn(mdev, format, arg...) \
353 dev_warn(&mdev->pdev->dev, format, ## arg)
355 extern void __buggy_use_of_MTHCA_GET(void);
356 extern void __buggy_use_of_MTHCA_PUT(void);
358 #define MTHCA_GET(dest, source, offset) \
360 void *__p = (char *) (source) + (offset); \
361 switch (sizeof (dest)) { \
362 case 1: (dest) = *(u8 *) __p; break; \
363 case 2: (dest) = be16_to_cpup(__p); break; \
364 case 4: (dest) = be32_to_cpup(__p); break; \
365 case 8: (dest) = be64_to_cpup(__p); break; \
366 default: __buggy_use_of_MTHCA_GET(); \
370 #define MTHCA_PUT(dest, source, offset) \
372 void *__d = ((char *) (dest) + (offset)); \
373 switch (sizeof(source)) { \
374 case 1: *(u8 *) __d = (source); break; \
375 case 2: *(__be16 *) __d = cpu_to_be16(source); break; \
376 case 4: *(__be32 *) __d = cpu_to_be32(source); break; \
377 case 8: *(__be64 *) __d = cpu_to_be64(source); break; \
378 default: __buggy_use_of_MTHCA_PUT(); \
382 int mthca_reset(struct mthca_dev *mdev);
384 u32 mthca_alloc(struct mthca_alloc *alloc);
385 void mthca_free(struct mthca_alloc *alloc, u32 obj);
386 int mthca_alloc_init(struct mthca_alloc *alloc, u32 num, u32 mask,
388 void mthca_alloc_cleanup(struct mthca_alloc *alloc);
389 void *mthca_array_get(struct mthca_array *array, int index);
390 int mthca_array_set(struct mthca_array *array, int index, void *value);
391 void mthca_array_clear(struct mthca_array *array, int index);
392 int mthca_array_init(struct mthca_array *array, int nent);
393 void mthca_array_cleanup(struct mthca_array *array, int nent);
394 int mthca_buf_alloc(struct mthca_dev *dev, int size, int max_direct,
395 union mthca_buf *buf, int *is_direct, struct mthca_pd *pd,
396 int hca_write, struct mthca_mr *mr);
397 void mthca_buf_free(struct mthca_dev *dev, int size, union mthca_buf *buf,
398 int is_direct, struct mthca_mr *mr);
400 int mthca_init_uar_table(struct mthca_dev *dev);
401 int mthca_init_pd_table(struct mthca_dev *dev);
402 int mthca_init_mr_table(struct mthca_dev *dev);
403 int mthca_init_eq_table(struct mthca_dev *dev);
404 int mthca_init_cq_table(struct mthca_dev *dev);
405 int mthca_init_srq_table(struct mthca_dev *dev);
406 int mthca_init_qp_table(struct mthca_dev *dev);
407 int mthca_init_av_table(struct mthca_dev *dev);
408 int mthca_init_mcg_table(struct mthca_dev *dev);
410 void mthca_cleanup_uar_table(struct mthca_dev *dev);
411 void mthca_cleanup_pd_table(struct mthca_dev *dev);
412 void mthca_cleanup_mr_table(struct mthca_dev *dev);
413 void mthca_cleanup_eq_table(struct mthca_dev *dev);
414 void mthca_cleanup_cq_table(struct mthca_dev *dev);
415 void mthca_cleanup_srq_table(struct mthca_dev *dev);
416 void mthca_cleanup_qp_table(struct mthca_dev *dev);
417 void mthca_cleanup_av_table(struct mthca_dev *dev);
418 void mthca_cleanup_mcg_table(struct mthca_dev *dev);
420 int mthca_register_device(struct mthca_dev *dev);
421 void mthca_unregister_device(struct mthca_dev *dev);
423 void mthca_start_catas_poll(struct mthca_dev *dev);
424 void mthca_stop_catas_poll(struct mthca_dev *dev);
426 int mthca_uar_alloc(struct mthca_dev *dev, struct mthca_uar *uar);
427 void mthca_uar_free(struct mthca_dev *dev, struct mthca_uar *uar);
429 int mthca_pd_alloc(struct mthca_dev *dev, int privileged, struct mthca_pd *pd);
430 void mthca_pd_free(struct mthca_dev *dev, struct mthca_pd *pd);
432 struct mthca_mtt *mthca_alloc_mtt(struct mthca_dev *dev, int size);
433 void mthca_free_mtt(struct mthca_dev *dev, struct mthca_mtt *mtt);
434 int mthca_write_mtt(struct mthca_dev *dev, struct mthca_mtt *mtt,
435 int start_index, u64 *buffer_list, int list_len);
436 int mthca_mr_alloc(struct mthca_dev *dev, u32 pd, int buffer_size_shift,
437 u64 iova, u64 total_size, u32 access, struct mthca_mr *mr);
438 int mthca_mr_alloc_notrans(struct mthca_dev *dev, u32 pd,
439 u32 access, struct mthca_mr *mr);
440 int mthca_mr_alloc_phys(struct mthca_dev *dev, u32 pd,
441 u64 *buffer_list, int buffer_size_shift,
442 int list_len, u64 iova, u64 total_size,
443 u32 access, struct mthca_mr *mr);
444 void mthca_free_mr(struct mthca_dev *dev, struct mthca_mr *mr);
446 int mthca_fmr_alloc(struct mthca_dev *dev, u32 pd,
447 u32 access, struct mthca_fmr *fmr);
448 int mthca_tavor_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list,
449 int list_len, u64 iova);
450 void mthca_tavor_fmr_unmap(struct mthca_dev *dev, struct mthca_fmr *fmr);
451 int mthca_arbel_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list,
452 int list_len, u64 iova);
453 void mthca_arbel_fmr_unmap(struct mthca_dev *dev, struct mthca_fmr *fmr);
454 int mthca_free_fmr(struct mthca_dev *dev, struct mthca_fmr *fmr);
456 int mthca_map_eq_icm(struct mthca_dev *dev, u64 icm_virt);
457 void mthca_unmap_eq_icm(struct mthca_dev *dev);
459 int mthca_poll_cq(struct ib_cq *ibcq, int num_entries,
460 struct ib_wc *entry);
461 int mthca_tavor_arm_cq(struct ib_cq *cq, enum ib_cq_notify notify);
462 int mthca_arbel_arm_cq(struct ib_cq *cq, enum ib_cq_notify notify);
463 int mthca_init_cq(struct mthca_dev *dev, int nent,
464 struct mthca_ucontext *ctx, u32 pdn,
465 struct mthca_cq *cq);
466 void mthca_free_cq(struct mthca_dev *dev,
467 struct mthca_cq *cq);
468 void mthca_cq_completion(struct mthca_dev *dev, u32 cqn);
469 void mthca_cq_event(struct mthca_dev *dev, u32 cqn,
470 enum ib_event_type event_type);
471 void mthca_cq_clean(struct mthca_dev *dev, u32 cqn, u32 qpn,
472 struct mthca_srq *srq);
474 int mthca_alloc_srq(struct mthca_dev *dev, struct mthca_pd *pd,
475 struct ib_srq_attr *attr, struct mthca_srq *srq);
476 void mthca_free_srq(struct mthca_dev *dev, struct mthca_srq *srq);
477 int mthca_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
478 enum ib_srq_attr_mask attr_mask);
479 void mthca_srq_event(struct mthca_dev *dev, u32 srqn,
480 enum ib_event_type event_type);
481 void mthca_free_srq_wqe(struct mthca_srq *srq, u32 wqe_addr);
482 int mthca_tavor_post_srq_recv(struct ib_srq *srq, struct ib_recv_wr *wr,
483 struct ib_recv_wr **bad_wr);
484 int mthca_arbel_post_srq_recv(struct ib_srq *srq, struct ib_recv_wr *wr,
485 struct ib_recv_wr **bad_wr);
487 void mthca_qp_event(struct mthca_dev *dev, u32 qpn,
488 enum ib_event_type event_type);
489 int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask);
490 int mthca_tavor_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
491 struct ib_send_wr **bad_wr);
492 int mthca_tavor_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr,
493 struct ib_recv_wr **bad_wr);
494 int mthca_arbel_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
495 struct ib_send_wr **bad_wr);
496 int mthca_arbel_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr,
497 struct ib_recv_wr **bad_wr);
498 int mthca_free_err_wqe(struct mthca_dev *dev, struct mthca_qp *qp, int is_send,
499 int index, int *dbd, __be32 *new_wqe);
500 int mthca_alloc_qp(struct mthca_dev *dev,
502 struct mthca_cq *send_cq,
503 struct mthca_cq *recv_cq,
504 enum ib_qp_type type,
505 enum ib_sig_type send_policy,
506 struct ib_qp_cap *cap,
507 struct mthca_qp *qp);
508 int mthca_alloc_sqp(struct mthca_dev *dev,
510 struct mthca_cq *send_cq,
511 struct mthca_cq *recv_cq,
512 enum ib_sig_type send_policy,
513 struct ib_qp_cap *cap,
516 struct mthca_sqp *sqp);
517 void mthca_free_qp(struct mthca_dev *dev, struct mthca_qp *qp);
518 int mthca_create_ah(struct mthca_dev *dev,
520 struct ib_ah_attr *ah_attr,
521 struct mthca_ah *ah);
522 int mthca_destroy_ah(struct mthca_dev *dev, struct mthca_ah *ah);
523 int mthca_read_ah(struct mthca_dev *dev, struct mthca_ah *ah,
524 struct ib_ud_header *header);
525 int mthca_ah_grh_present(struct mthca_ah *ah);
527 int mthca_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid);
528 int mthca_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid);
530 int mthca_process_mad(struct ib_device *ibdev,
534 struct ib_grh *in_grh,
535 struct ib_mad *in_mad,
536 struct ib_mad *out_mad);
537 int mthca_create_agents(struct mthca_dev *dev);
538 void mthca_free_agents(struct mthca_dev *dev);
540 static inline struct mthca_dev *to_mdev(struct ib_device *ibdev)
542 return container_of(ibdev, struct mthca_dev, ib_dev);
545 static inline int mthca_is_memfree(struct mthca_dev *dev)
547 return dev->mthca_flags & MTHCA_FLAG_MEMFREE;
550 #endif /* MTHCA_DEV_H */