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.
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 "0.08"
57 #define DRV_RELDATE "February 14, 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,
68 MTHCA_FLAG_SINAI_OPT = 1 << 9
76 MTHCA_BOARD_ID_LEN = 64
80 MTHCA_EQ_CONTEXT_SIZE = 0x40,
81 MTHCA_CQ_CONTEXT_SIZE = 0x40,
82 MTHCA_QP_CONTEXT_SIZE = 0x200,
83 MTHCA_RDB_ENTRY_SIZE = 0x20,
85 MTHCA_MGM_ENTRY_SIZE = 0x40,
87 /* Arbel FW gives us these, but we need them for Tavor */
88 MTHCA_MPT_ENTRY_SIZE = 0x40,
89 MTHCA_MTT_SEG_SIZE = 0x40,
91 MTHCA_QP_PER_MGM = 4 * (MTHCA_MGM_ENTRY_SIZE / 16 - 2)
102 MTHCA_OPCODE_NOP = 0x00,
103 MTHCA_OPCODE_RDMA_WRITE = 0x08,
104 MTHCA_OPCODE_RDMA_WRITE_IMM = 0x09,
105 MTHCA_OPCODE_SEND = 0x0a,
106 MTHCA_OPCODE_SEND_IMM = 0x0b,
107 MTHCA_OPCODE_RDMA_READ = 0x10,
108 MTHCA_OPCODE_ATOMIC_CS = 0x11,
109 MTHCA_OPCODE_ATOMIC_FA = 0x12,
110 MTHCA_OPCODE_BIND_MW = 0x18,
111 MTHCA_OPCODE_INVALID = 0xff
115 MTHCA_CMD_USE_EVENTS = 1 << 0,
116 MTHCA_CMD_POST_DOORBELLS = 1 << 1
120 MTHCA_CMD_NUM_DBELL_DWORDS = 8
124 struct pci_pool *pool;
125 struct mutex hcr_mutex;
126 struct semaphore poll_sem;
127 struct semaphore event_sem;
129 spinlock_t context_lock;
131 struct mthca_cmd_context *context;
134 void __iomem *dbell_map;
135 u16 dbell_offsets[MTHCA_CMD_NUM_DBELL_DWORDS];
138 struct mthca_limits {
144 int local_ca_ack_delay;
150 int max_qp_init_rdma;
164 int fmr_reserved_mtts;
184 unsigned long *table;
194 struct mthca_uar_table {
195 struct mthca_alloc alloc;
200 struct mthca_pd_table {
201 struct mthca_alloc alloc;
205 unsigned long **bits;
210 struct mthca_mr_table {
211 struct mthca_alloc mpt_alloc;
212 struct mthca_buddy mtt_buddy;
213 struct mthca_buddy *fmr_mtt_buddy;
216 struct mthca_icm_table *mtt_table;
217 struct mthca_icm_table *mpt_table;
219 void __iomem *mpt_base;
220 void __iomem *mtt_base;
221 struct mthca_buddy mtt_buddy;
225 struct mthca_eq_table {
226 struct mthca_alloc alloc;
227 void __iomem *clr_int;
230 struct mthca_eq eq[MTHCA_NUM_EQ];
232 struct page *icm_page;
238 struct mthca_cq_table {
239 struct mthca_alloc alloc;
241 struct mthca_array cq;
242 struct mthca_icm_table *table;
245 struct mthca_srq_table {
246 struct mthca_alloc alloc;
248 struct mthca_array srq;
249 struct mthca_icm_table *table;
252 struct mthca_qp_table {
253 struct mthca_alloc alloc;
258 struct mthca_array qp;
259 struct mthca_icm_table *qp_table;
260 struct mthca_icm_table *eqp_table;
261 struct mthca_icm_table *rdb_table;
264 struct mthca_av_table {
265 struct pci_pool *pool;
268 void __iomem *av_map;
269 struct mthca_alloc alloc;
272 struct mthca_mcg_table {
274 struct mthca_alloc alloc;
275 struct mthca_icm_table *table;
278 struct mthca_catas_err {
283 struct timer_list timer;
287 struct ib_device ib_dev;
288 struct pci_dev *pdev;
291 unsigned long mthca_flags;
292 unsigned long device_cap_flags;
295 char board_id[MTHCA_BOARD_ID_LEN];
308 struct mthca_icm *fw_icm;
309 struct mthca_icm *aux_icm;
317 MTHCA_DECLARE_DOORBELL_LOCK(doorbell_lock)
318 struct mutex cap_mask_mutex;
322 void __iomem *clr_base;
325 void __iomem *ecr_base;
328 void __iomem *eq_arm;
329 void __iomem *eq_set_ci_base;
333 struct mthca_cmd cmd;
334 struct mthca_limits limits;
336 struct mthca_uar_table uar_table;
337 struct mthca_pd_table pd_table;
338 struct mthca_mr_table mr_table;
339 struct mthca_eq_table eq_table;
340 struct mthca_cq_table cq_table;
341 struct mthca_srq_table srq_table;
342 struct mthca_qp_table qp_table;
343 struct mthca_av_table av_table;
344 struct mthca_mcg_table mcg_table;
346 struct mthca_catas_err catas_err;
348 struct mthca_uar driver_uar;
349 struct mthca_db_table *db_tab;
350 struct mthca_pd driver_pd;
351 struct mthca_mr driver_mr;
353 struct ib_mad_agent *send_agent[MTHCA_MAX_PORTS][2];
354 struct ib_ah *sm_ah[MTHCA_MAX_PORTS];
358 #define mthca_dbg(mdev, format, arg...) \
359 dev_dbg(&mdev->pdev->dev, format, ## arg)
360 #define mthca_err(mdev, format, arg...) \
361 dev_err(&mdev->pdev->dev, format, ## arg)
362 #define mthca_info(mdev, format, arg...) \
363 dev_info(&mdev->pdev->dev, format, ## arg)
364 #define mthca_warn(mdev, format, arg...) \
365 dev_warn(&mdev->pdev->dev, format, ## arg)
367 extern void __buggy_use_of_MTHCA_GET(void);
368 extern void __buggy_use_of_MTHCA_PUT(void);
370 #define MTHCA_GET(dest, source, offset) \
372 void *__p = (char *) (source) + (offset); \
373 switch (sizeof (dest)) { \
374 case 1: (dest) = *(u8 *) __p; break; \
375 case 2: (dest) = be16_to_cpup(__p); break; \
376 case 4: (dest) = be32_to_cpup(__p); break; \
377 case 8: (dest) = be64_to_cpup(__p); break; \
378 default: __buggy_use_of_MTHCA_GET(); \
382 #define MTHCA_PUT(dest, source, offset) \
384 void *__d = ((char *) (dest) + (offset)); \
385 switch (sizeof(source)) { \
386 case 1: *(u8 *) __d = (source); break; \
387 case 2: *(__be16 *) __d = cpu_to_be16(source); break; \
388 case 4: *(__be32 *) __d = cpu_to_be32(source); break; \
389 case 8: *(__be64 *) __d = cpu_to_be64(source); break; \
390 default: __buggy_use_of_MTHCA_PUT(); \
394 int mthca_reset(struct mthca_dev *mdev);
396 u32 mthca_alloc(struct mthca_alloc *alloc);
397 void mthca_free(struct mthca_alloc *alloc, u32 obj);
398 int mthca_alloc_init(struct mthca_alloc *alloc, u32 num, u32 mask,
400 void mthca_alloc_cleanup(struct mthca_alloc *alloc);
401 void *mthca_array_get(struct mthca_array *array, int index);
402 int mthca_array_set(struct mthca_array *array, int index, void *value);
403 void mthca_array_clear(struct mthca_array *array, int index);
404 int mthca_array_init(struct mthca_array *array, int nent);
405 void mthca_array_cleanup(struct mthca_array *array, int nent);
406 int mthca_buf_alloc(struct mthca_dev *dev, int size, int max_direct,
407 union mthca_buf *buf, int *is_direct, struct mthca_pd *pd,
408 int hca_write, struct mthca_mr *mr);
409 void mthca_buf_free(struct mthca_dev *dev, int size, union mthca_buf *buf,
410 int is_direct, struct mthca_mr *mr);
412 int mthca_init_uar_table(struct mthca_dev *dev);
413 int mthca_init_pd_table(struct mthca_dev *dev);
414 int mthca_init_mr_table(struct mthca_dev *dev);
415 int mthca_init_eq_table(struct mthca_dev *dev);
416 int mthca_init_cq_table(struct mthca_dev *dev);
417 int mthca_init_srq_table(struct mthca_dev *dev);
418 int mthca_init_qp_table(struct mthca_dev *dev);
419 int mthca_init_av_table(struct mthca_dev *dev);
420 int mthca_init_mcg_table(struct mthca_dev *dev);
422 void mthca_cleanup_uar_table(struct mthca_dev *dev);
423 void mthca_cleanup_pd_table(struct mthca_dev *dev);
424 void mthca_cleanup_mr_table(struct mthca_dev *dev);
425 void mthca_cleanup_eq_table(struct mthca_dev *dev);
426 void mthca_cleanup_cq_table(struct mthca_dev *dev);
427 void mthca_cleanup_srq_table(struct mthca_dev *dev);
428 void mthca_cleanup_qp_table(struct mthca_dev *dev);
429 void mthca_cleanup_av_table(struct mthca_dev *dev);
430 void mthca_cleanup_mcg_table(struct mthca_dev *dev);
432 int mthca_register_device(struct mthca_dev *dev);
433 void mthca_unregister_device(struct mthca_dev *dev);
435 void mthca_start_catas_poll(struct mthca_dev *dev);
436 void mthca_stop_catas_poll(struct mthca_dev *dev);
438 int mthca_uar_alloc(struct mthca_dev *dev, struct mthca_uar *uar);
439 void mthca_uar_free(struct mthca_dev *dev, struct mthca_uar *uar);
441 int mthca_pd_alloc(struct mthca_dev *dev, int privileged, struct mthca_pd *pd);
442 void mthca_pd_free(struct mthca_dev *dev, struct mthca_pd *pd);
444 struct mthca_mtt *mthca_alloc_mtt(struct mthca_dev *dev, int size);
445 void mthca_free_mtt(struct mthca_dev *dev, struct mthca_mtt *mtt);
446 int mthca_write_mtt(struct mthca_dev *dev, struct mthca_mtt *mtt,
447 int start_index, u64 *buffer_list, int list_len);
448 int mthca_mr_alloc(struct mthca_dev *dev, u32 pd, int buffer_size_shift,
449 u64 iova, u64 total_size, u32 access, struct mthca_mr *mr);
450 int mthca_mr_alloc_notrans(struct mthca_dev *dev, u32 pd,
451 u32 access, struct mthca_mr *mr);
452 int mthca_mr_alloc_phys(struct mthca_dev *dev, u32 pd,
453 u64 *buffer_list, int buffer_size_shift,
454 int list_len, u64 iova, u64 total_size,
455 u32 access, struct mthca_mr *mr);
456 void mthca_free_mr(struct mthca_dev *dev, struct mthca_mr *mr);
458 int mthca_fmr_alloc(struct mthca_dev *dev, u32 pd,
459 u32 access, struct mthca_fmr *fmr);
460 int mthca_tavor_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list,
461 int list_len, u64 iova);
462 void mthca_tavor_fmr_unmap(struct mthca_dev *dev, struct mthca_fmr *fmr);
463 int mthca_arbel_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list,
464 int list_len, u64 iova);
465 void mthca_arbel_fmr_unmap(struct mthca_dev *dev, struct mthca_fmr *fmr);
466 int mthca_free_fmr(struct mthca_dev *dev, struct mthca_fmr *fmr);
468 int mthca_map_eq_icm(struct mthca_dev *dev, u64 icm_virt);
469 void mthca_unmap_eq_icm(struct mthca_dev *dev);
471 int mthca_poll_cq(struct ib_cq *ibcq, int num_entries,
472 struct ib_wc *entry);
473 int mthca_tavor_arm_cq(struct ib_cq *cq, enum ib_cq_notify notify);
474 int mthca_arbel_arm_cq(struct ib_cq *cq, enum ib_cq_notify notify);
475 int mthca_init_cq(struct mthca_dev *dev, int nent,
476 struct mthca_ucontext *ctx, u32 pdn,
477 struct mthca_cq *cq);
478 void mthca_free_cq(struct mthca_dev *dev,
479 struct mthca_cq *cq);
480 void mthca_cq_completion(struct mthca_dev *dev, u32 cqn);
481 void mthca_cq_event(struct mthca_dev *dev, u32 cqn,
482 enum ib_event_type event_type);
483 void mthca_cq_clean(struct mthca_dev *dev, u32 cqn, u32 qpn,
484 struct mthca_srq *srq);
485 void mthca_cq_resize_copy_cqes(struct mthca_cq *cq);
486 int mthca_alloc_cq_buf(struct mthca_dev *dev, struct mthca_cq_buf *buf, int nent);
487 void mthca_free_cq_buf(struct mthca_dev *dev, struct mthca_cq_buf *buf, int cqe);
489 int mthca_alloc_srq(struct mthca_dev *dev, struct mthca_pd *pd,
490 struct ib_srq_attr *attr, struct mthca_srq *srq);
491 void mthca_free_srq(struct mthca_dev *dev, struct mthca_srq *srq);
492 int mthca_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
493 enum ib_srq_attr_mask attr_mask);
494 int mthca_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
495 void mthca_srq_event(struct mthca_dev *dev, u32 srqn,
496 enum ib_event_type event_type);
497 void mthca_free_srq_wqe(struct mthca_srq *srq, u32 wqe_addr);
498 int mthca_tavor_post_srq_recv(struct ib_srq *srq, struct ib_recv_wr *wr,
499 struct ib_recv_wr **bad_wr);
500 int mthca_arbel_post_srq_recv(struct ib_srq *srq, struct ib_recv_wr *wr,
501 struct ib_recv_wr **bad_wr);
503 void mthca_qp_event(struct mthca_dev *dev, u32 qpn,
504 enum ib_event_type event_type);
505 int mthca_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask,
506 struct ib_qp_init_attr *qp_init_attr);
507 int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask);
508 int mthca_tavor_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
509 struct ib_send_wr **bad_wr);
510 int mthca_tavor_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr,
511 struct ib_recv_wr **bad_wr);
512 int mthca_arbel_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
513 struct ib_send_wr **bad_wr);
514 int mthca_arbel_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr,
515 struct ib_recv_wr **bad_wr);
516 void mthca_free_err_wqe(struct mthca_dev *dev, struct mthca_qp *qp, int is_send,
517 int index, int *dbd, __be32 *new_wqe);
518 int mthca_alloc_qp(struct mthca_dev *dev,
520 struct mthca_cq *send_cq,
521 struct mthca_cq *recv_cq,
522 enum ib_qp_type type,
523 enum ib_sig_type send_policy,
524 struct ib_qp_cap *cap,
525 struct mthca_qp *qp);
526 int mthca_alloc_sqp(struct mthca_dev *dev,
528 struct mthca_cq *send_cq,
529 struct mthca_cq *recv_cq,
530 enum ib_sig_type send_policy,
531 struct ib_qp_cap *cap,
534 struct mthca_sqp *sqp);
535 void mthca_free_qp(struct mthca_dev *dev, struct mthca_qp *qp);
536 int mthca_create_ah(struct mthca_dev *dev,
538 struct ib_ah_attr *ah_attr,
539 struct mthca_ah *ah);
540 int mthca_destroy_ah(struct mthca_dev *dev, struct mthca_ah *ah);
541 int mthca_read_ah(struct mthca_dev *dev, struct mthca_ah *ah,
542 struct ib_ud_header *header);
543 int mthca_ah_query(struct ib_ah *ibah, struct ib_ah_attr *attr);
544 int mthca_ah_grh_present(struct mthca_ah *ah);
546 int mthca_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid);
547 int mthca_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid);
549 int mthca_process_mad(struct ib_device *ibdev,
553 struct ib_grh *in_grh,
554 struct ib_mad *in_mad,
555 struct ib_mad *out_mad);
556 int mthca_create_agents(struct mthca_dev *dev);
557 void mthca_free_agents(struct mthca_dev *dev);
559 static inline struct mthca_dev *to_mdev(struct ib_device *ibdev)
561 return container_of(ibdev, struct mthca_dev, ib_dev);
564 static inline int mthca_is_memfree(struct mthca_dev *dev)
566 return dev->mthca_flags & MTHCA_FLAG_MEMFREE;
569 #endif /* MTHCA_DEV_H */