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 <asm/semaphore.h>
48 #include "mthca_provider.h"
49 #include "mthca_doorbell.h"
51 #define DRV_NAME "ib_mthca"
52 #define PFX DRV_NAME ": "
53 #define DRV_VERSION "0.06"
54 #define DRV_RELDATE "June 23, 2005"
57 MTHCA_FLAG_DDR_HIDDEN = 1 << 1,
58 MTHCA_FLAG_SRQ = 1 << 2,
59 MTHCA_FLAG_MSI = 1 << 3,
60 MTHCA_FLAG_MSI_X = 1 << 4,
61 MTHCA_FLAG_NO_LAM = 1 << 5,
62 MTHCA_FLAG_FMR = 1 << 6,
63 MTHCA_FLAG_MEMFREE = 1 << 7,
64 MTHCA_FLAG_PCIE = 1 << 8
72 MTHCA_BOARD_ID_LEN = 64
76 MTHCA_EQ_CONTEXT_SIZE = 0x40,
77 MTHCA_CQ_CONTEXT_SIZE = 0x40,
78 MTHCA_QP_CONTEXT_SIZE = 0x200,
79 MTHCA_RDB_ENTRY_SIZE = 0x20,
81 MTHCA_MGM_ENTRY_SIZE = 0x40,
83 /* Arbel FW gives us these, but we need them for Tavor */
84 MTHCA_MPT_ENTRY_SIZE = 0x40,
85 MTHCA_MTT_SEG_SIZE = 0x40,
87 MTHCA_QP_PER_MGM = 4 * (MTHCA_MGM_ENTRY_SIZE / 16 - 2)
98 MTHCA_OPCODE_NOP = 0x00,
99 MTHCA_OPCODE_RDMA_WRITE = 0x08,
100 MTHCA_OPCODE_RDMA_WRITE_IMM = 0x09,
101 MTHCA_OPCODE_SEND = 0x0a,
102 MTHCA_OPCODE_SEND_IMM = 0x0b,
103 MTHCA_OPCODE_RDMA_READ = 0x10,
104 MTHCA_OPCODE_ATOMIC_CS = 0x11,
105 MTHCA_OPCODE_ATOMIC_FA = 0x12,
106 MTHCA_OPCODE_BIND_MW = 0x18,
107 MTHCA_OPCODE_INVALID = 0xff
111 struct pci_pool *pool;
113 struct semaphore hcr_sem;
114 struct semaphore poll_sem;
115 struct semaphore event_sem;
117 spinlock_t context_lock;
119 struct mthca_cmd_context *context;
123 struct mthca_limits {
129 int local_ca_ack_delay;
134 int max_qp_init_rdma;
148 int fmr_reserved_mtts;
167 unsigned long *table;
177 struct mthca_uar_table {
178 struct mthca_alloc alloc;
183 struct mthca_pd_table {
184 struct mthca_alloc alloc;
188 unsigned long **bits;
193 struct mthca_mr_table {
194 struct mthca_alloc mpt_alloc;
195 struct mthca_buddy mtt_buddy;
196 struct mthca_buddy *fmr_mtt_buddy;
199 struct mthca_icm_table *mtt_table;
200 struct mthca_icm_table *mpt_table;
202 void __iomem *mpt_base;
203 void __iomem *mtt_base;
204 struct mthca_buddy mtt_buddy;
208 struct mthca_eq_table {
209 struct mthca_alloc alloc;
210 void __iomem *clr_int;
213 struct mthca_eq eq[MTHCA_NUM_EQ];
215 struct page *icm_page;
221 struct mthca_cq_table {
222 struct mthca_alloc alloc;
224 struct mthca_array cq;
225 struct mthca_icm_table *table;
228 struct mthca_srq_table {
229 struct mthca_alloc alloc;
231 struct mthca_array srq;
232 struct mthca_icm_table *table;
235 struct mthca_qp_table {
236 struct mthca_alloc alloc;
241 struct mthca_array qp;
242 struct mthca_icm_table *qp_table;
243 struct mthca_icm_table *eqp_table;
244 struct mthca_icm_table *rdb_table;
247 struct mthca_av_table {
248 struct pci_pool *pool;
251 void __iomem *av_map;
252 struct mthca_alloc alloc;
255 struct mthca_mcg_table {
256 struct semaphore sem;
257 struct mthca_alloc alloc;
258 struct mthca_icm_table *table;
262 struct ib_device ib_dev;
263 struct pci_dev *pdev;
266 unsigned long mthca_flags;
267 unsigned long device_cap_flags;
270 char board_id[MTHCA_BOARD_ID_LEN];
283 struct mthca_icm *fw_icm;
284 struct mthca_icm *aux_icm;
292 MTHCA_DECLARE_DOORBELL_LOCK(doorbell_lock)
293 struct semaphore cap_mask_mutex;
297 void __iomem *clr_base;
300 void __iomem *ecr_base;
303 void __iomem *eq_arm;
304 void __iomem *eq_set_ci_base;
308 struct mthca_cmd cmd;
309 struct mthca_limits limits;
311 struct mthca_uar_table uar_table;
312 struct mthca_pd_table pd_table;
313 struct mthca_mr_table mr_table;
314 struct mthca_eq_table eq_table;
315 struct mthca_cq_table cq_table;
316 struct mthca_srq_table srq_table;
317 struct mthca_qp_table qp_table;
318 struct mthca_av_table av_table;
319 struct mthca_mcg_table mcg_table;
321 struct mthca_uar driver_uar;
322 struct mthca_db_table *db_tab;
323 struct mthca_pd driver_pd;
324 struct mthca_mr driver_mr;
326 struct ib_mad_agent *send_agent[MTHCA_MAX_PORTS][2];
327 struct ib_ah *sm_ah[MTHCA_MAX_PORTS];
331 #define mthca_dbg(mdev, format, arg...) \
332 dev_dbg(&mdev->pdev->dev, format, ## arg)
333 #define mthca_err(mdev, format, arg...) \
334 dev_err(&mdev->pdev->dev, format, ## arg)
335 #define mthca_info(mdev, format, arg...) \
336 dev_info(&mdev->pdev->dev, format, ## arg)
337 #define mthca_warn(mdev, format, arg...) \
338 dev_warn(&mdev->pdev->dev, format, ## arg)
340 extern void __buggy_use_of_MTHCA_GET(void);
341 extern void __buggy_use_of_MTHCA_PUT(void);
343 #define MTHCA_GET(dest, source, offset) \
345 void *__p = (char *) (source) + (offset); \
346 switch (sizeof (dest)) { \
347 case 1: (dest) = *(u8 *) __p; break; \
348 case 2: (dest) = be16_to_cpup(__p); break; \
349 case 4: (dest) = be32_to_cpup(__p); break; \
350 case 8: (dest) = be64_to_cpup(__p); break; \
351 default: __buggy_use_of_MTHCA_GET(); \
355 #define MTHCA_PUT(dest, source, offset) \
357 void *__d = ((char *) (dest) + (offset)); \
358 switch (sizeof(source)) { \
359 case 1: *(u8 *) __d = (source); break; \
360 case 2: *(__be16 *) __d = cpu_to_be16(source); break; \
361 case 4: *(__be32 *) __d = cpu_to_be32(source); break; \
362 case 8: *(__be64 *) __d = cpu_to_be64(source); break; \
363 default: __buggy_use_of_MTHCA_PUT(); \
367 int mthca_reset(struct mthca_dev *mdev);
369 u32 mthca_alloc(struct mthca_alloc *alloc);
370 void mthca_free(struct mthca_alloc *alloc, u32 obj);
371 int mthca_alloc_init(struct mthca_alloc *alloc, u32 num, u32 mask,
373 void mthca_alloc_cleanup(struct mthca_alloc *alloc);
374 void *mthca_array_get(struct mthca_array *array, int index);
375 int mthca_array_set(struct mthca_array *array, int index, void *value);
376 void mthca_array_clear(struct mthca_array *array, int index);
377 int mthca_array_init(struct mthca_array *array, int nent);
378 void mthca_array_cleanup(struct mthca_array *array, int nent);
379 int mthca_buf_alloc(struct mthca_dev *dev, int size, int max_direct,
380 union mthca_buf *buf, int *is_direct, struct mthca_pd *pd,
381 int hca_write, struct mthca_mr *mr);
382 void mthca_buf_free(struct mthca_dev *dev, int size, union mthca_buf *buf,
383 int is_direct, struct mthca_mr *mr);
385 int mthca_init_uar_table(struct mthca_dev *dev);
386 int mthca_init_pd_table(struct mthca_dev *dev);
387 int mthca_init_mr_table(struct mthca_dev *dev);
388 int mthca_init_eq_table(struct mthca_dev *dev);
389 int mthca_init_cq_table(struct mthca_dev *dev);
390 int mthca_init_srq_table(struct mthca_dev *dev);
391 int mthca_init_qp_table(struct mthca_dev *dev);
392 int mthca_init_av_table(struct mthca_dev *dev);
393 int mthca_init_mcg_table(struct mthca_dev *dev);
395 void mthca_cleanup_uar_table(struct mthca_dev *dev);
396 void mthca_cleanup_pd_table(struct mthca_dev *dev);
397 void mthca_cleanup_mr_table(struct mthca_dev *dev);
398 void mthca_cleanup_eq_table(struct mthca_dev *dev);
399 void mthca_cleanup_cq_table(struct mthca_dev *dev);
400 void mthca_cleanup_srq_table(struct mthca_dev *dev);
401 void mthca_cleanup_qp_table(struct mthca_dev *dev);
402 void mthca_cleanup_av_table(struct mthca_dev *dev);
403 void mthca_cleanup_mcg_table(struct mthca_dev *dev);
405 int mthca_register_device(struct mthca_dev *dev);
406 void mthca_unregister_device(struct mthca_dev *dev);
408 int mthca_uar_alloc(struct mthca_dev *dev, struct mthca_uar *uar);
409 void mthca_uar_free(struct mthca_dev *dev, struct mthca_uar *uar);
411 int mthca_pd_alloc(struct mthca_dev *dev, int privileged, struct mthca_pd *pd);
412 void mthca_pd_free(struct mthca_dev *dev, struct mthca_pd *pd);
414 struct mthca_mtt *mthca_alloc_mtt(struct mthca_dev *dev, int size);
415 void mthca_free_mtt(struct mthca_dev *dev, struct mthca_mtt *mtt);
416 int mthca_write_mtt(struct mthca_dev *dev, struct mthca_mtt *mtt,
417 int start_index, u64 *buffer_list, int list_len);
418 int mthca_mr_alloc(struct mthca_dev *dev, u32 pd, int buffer_size_shift,
419 u64 iova, u64 total_size, u32 access, struct mthca_mr *mr);
420 int mthca_mr_alloc_notrans(struct mthca_dev *dev, u32 pd,
421 u32 access, struct mthca_mr *mr);
422 int mthca_mr_alloc_phys(struct mthca_dev *dev, u32 pd,
423 u64 *buffer_list, int buffer_size_shift,
424 int list_len, u64 iova, u64 total_size,
425 u32 access, struct mthca_mr *mr);
426 void mthca_free_mr(struct mthca_dev *dev, struct mthca_mr *mr);
428 int mthca_fmr_alloc(struct mthca_dev *dev, u32 pd,
429 u32 access, struct mthca_fmr *fmr);
430 int mthca_tavor_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list,
431 int list_len, u64 iova);
432 void mthca_tavor_fmr_unmap(struct mthca_dev *dev, struct mthca_fmr *fmr);
433 int mthca_arbel_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list,
434 int list_len, u64 iova);
435 void mthca_arbel_fmr_unmap(struct mthca_dev *dev, struct mthca_fmr *fmr);
436 int mthca_free_fmr(struct mthca_dev *dev, struct mthca_fmr *fmr);
438 int mthca_map_eq_icm(struct mthca_dev *dev, u64 icm_virt);
439 void mthca_unmap_eq_icm(struct mthca_dev *dev);
441 int mthca_poll_cq(struct ib_cq *ibcq, int num_entries,
442 struct ib_wc *entry);
443 int mthca_tavor_arm_cq(struct ib_cq *cq, enum ib_cq_notify notify);
444 int mthca_arbel_arm_cq(struct ib_cq *cq, enum ib_cq_notify notify);
445 int mthca_init_cq(struct mthca_dev *dev, int nent,
446 struct mthca_ucontext *ctx, u32 pdn,
447 struct mthca_cq *cq);
448 void mthca_free_cq(struct mthca_dev *dev,
449 struct mthca_cq *cq);
450 void mthca_cq_event(struct mthca_dev *dev, u32 cqn);
451 void mthca_cq_clean(struct mthca_dev *dev, u32 cqn, u32 qpn,
452 struct mthca_srq *srq);
454 int mthca_alloc_srq(struct mthca_dev *dev, struct mthca_pd *pd,
455 struct ib_srq_attr *attr, struct mthca_srq *srq);
456 void mthca_free_srq(struct mthca_dev *dev, struct mthca_srq *srq);
457 int mthca_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
458 enum ib_srq_attr_mask attr_mask);
459 void mthca_srq_event(struct mthca_dev *dev, u32 srqn,
460 enum ib_event_type event_type);
461 void mthca_free_srq_wqe(struct mthca_srq *srq, u32 wqe_addr);
462 int mthca_tavor_post_srq_recv(struct ib_srq *srq, struct ib_recv_wr *wr,
463 struct ib_recv_wr **bad_wr);
464 int mthca_arbel_post_srq_recv(struct ib_srq *srq, struct ib_recv_wr *wr,
465 struct ib_recv_wr **bad_wr);
467 void mthca_qp_event(struct mthca_dev *dev, u32 qpn,
468 enum ib_event_type event_type);
469 int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask);
470 int mthca_tavor_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
471 struct ib_send_wr **bad_wr);
472 int mthca_tavor_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr,
473 struct ib_recv_wr **bad_wr);
474 int mthca_arbel_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
475 struct ib_send_wr **bad_wr);
476 int mthca_arbel_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr,
477 struct ib_recv_wr **bad_wr);
478 int mthca_free_err_wqe(struct mthca_dev *dev, struct mthca_qp *qp, int is_send,
479 int index, int *dbd, __be32 *new_wqe);
480 int mthca_alloc_qp(struct mthca_dev *dev,
482 struct mthca_cq *send_cq,
483 struct mthca_cq *recv_cq,
484 enum ib_qp_type type,
485 enum ib_sig_type send_policy,
486 struct ib_qp_cap *cap,
487 struct mthca_qp *qp);
488 int mthca_alloc_sqp(struct mthca_dev *dev,
490 struct mthca_cq *send_cq,
491 struct mthca_cq *recv_cq,
492 enum ib_sig_type send_policy,
493 struct ib_qp_cap *cap,
496 struct mthca_sqp *sqp);
497 void mthca_free_qp(struct mthca_dev *dev, struct mthca_qp *qp);
498 int mthca_create_ah(struct mthca_dev *dev,
500 struct ib_ah_attr *ah_attr,
501 struct mthca_ah *ah);
502 int mthca_destroy_ah(struct mthca_dev *dev, struct mthca_ah *ah);
503 int mthca_read_ah(struct mthca_dev *dev, struct mthca_ah *ah,
504 struct ib_ud_header *header);
506 int mthca_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid);
507 int mthca_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid);
509 int mthca_process_mad(struct ib_device *ibdev,
513 struct ib_grh *in_grh,
514 struct ib_mad *in_mad,
515 struct ib_mad *out_mad);
516 int mthca_create_agents(struct mthca_dev *dev);
517 void mthca_free_agents(struct mthca_dev *dev);
519 static inline struct mthca_dev *to_mdev(struct ib_device *ibdev)
521 return container_of(ibdev, struct mthca_dev, ib_dev);
524 static inline int mthca_is_memfree(struct mthca_dev *dev)
526 return dev->mthca_flags & MTHCA_FLAG_MEMFREE;
529 #endif /* MTHCA_DEV_H */