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,
96 MTHCA_OPCODE_NOP
= 0x00,
97 MTHCA_OPCODE_RDMA_WRITE
= 0x08,
98 MTHCA_OPCODE_RDMA_WRITE_IMM
= 0x09,
99 MTHCA_OPCODE_SEND
= 0x0a,
100 MTHCA_OPCODE_SEND_IMM
= 0x0b,
101 MTHCA_OPCODE_RDMA_READ
= 0x10,
102 MTHCA_OPCODE_ATOMIC_CS
= 0x11,
103 MTHCA_OPCODE_ATOMIC_FA
= 0x12,
104 MTHCA_OPCODE_BIND_MW
= 0x18,
105 MTHCA_OPCODE_INVALID
= 0xff
109 struct pci_pool
*pool
;
111 struct semaphore hcr_sem
;
112 struct semaphore poll_sem
;
113 struct semaphore event_sem
;
115 spinlock_t context_lock
;
117 struct mthca_cmd_context
*context
;
121 struct mthca_limits
{
127 int local_ca_ack_delay
;
142 int fmr_reserved_mtts
;
160 unsigned long *table
;
170 struct mthca_uar_table
{
171 struct mthca_alloc alloc
;
176 struct mthca_pd_table
{
177 struct mthca_alloc alloc
;
181 unsigned long **bits
;
186 struct mthca_mr_table
{
187 struct mthca_alloc mpt_alloc
;
188 struct mthca_buddy mtt_buddy
;
189 struct mthca_buddy
*fmr_mtt_buddy
;
192 struct mthca_icm_table
*mtt_table
;
193 struct mthca_icm_table
*mpt_table
;
195 void __iomem
*mpt_base
;
196 void __iomem
*mtt_base
;
197 struct mthca_buddy mtt_buddy
;
201 struct mthca_eq_table
{
202 struct mthca_alloc alloc
;
203 void __iomem
*clr_int
;
206 struct mthca_eq eq
[MTHCA_NUM_EQ
];
208 struct page
*icm_page
;
214 struct mthca_cq_table
{
215 struct mthca_alloc alloc
;
217 struct mthca_array cq
;
218 struct mthca_icm_table
*table
;
221 struct mthca_srq_table
{
222 struct mthca_alloc alloc
;
224 struct mthca_array srq
;
225 struct mthca_icm_table
*table
;
228 struct mthca_qp_table
{
229 struct mthca_alloc alloc
;
234 struct mthca_array qp
;
235 struct mthca_icm_table
*qp_table
;
236 struct mthca_icm_table
*eqp_table
;
237 struct mthca_icm_table
*rdb_table
;
240 struct mthca_av_table
{
241 struct pci_pool
*pool
;
244 void __iomem
*av_map
;
245 struct mthca_alloc alloc
;
248 struct mthca_mcg_table
{
249 struct semaphore sem
;
250 struct mthca_alloc alloc
;
251 struct mthca_icm_table
*table
;
255 struct ib_device ib_dev
;
256 struct pci_dev
*pdev
;
259 unsigned long mthca_flags
;
260 unsigned long device_cap_flags
;
263 char board_id
[MTHCA_BOARD_ID_LEN
];
276 struct mthca_icm
*fw_icm
;
277 struct mthca_icm
*aux_icm
;
285 MTHCA_DECLARE_DOORBELL_LOCK(doorbell_lock
)
286 struct semaphore cap_mask_mutex
;
290 void __iomem
*clr_base
;
293 void __iomem
*ecr_base
;
296 void __iomem
*eq_arm
;
297 void __iomem
*eq_set_ci_base
;
301 struct mthca_cmd cmd
;
302 struct mthca_limits limits
;
304 struct mthca_uar_table uar_table
;
305 struct mthca_pd_table pd_table
;
306 struct mthca_mr_table mr_table
;
307 struct mthca_eq_table eq_table
;
308 struct mthca_cq_table cq_table
;
309 struct mthca_srq_table srq_table
;
310 struct mthca_qp_table qp_table
;
311 struct mthca_av_table av_table
;
312 struct mthca_mcg_table mcg_table
;
314 struct mthca_uar driver_uar
;
315 struct mthca_db_table
*db_tab
;
316 struct mthca_pd driver_pd
;
317 struct mthca_mr driver_mr
;
319 struct ib_mad_agent
*send_agent
[MTHCA_MAX_PORTS
][2];
320 struct ib_ah
*sm_ah
[MTHCA_MAX_PORTS
];
324 #define mthca_dbg(mdev, format, arg...) \
325 dev_dbg(&mdev->pdev->dev, format, ## arg)
326 #define mthca_err(mdev, format, arg...) \
327 dev_err(&mdev->pdev->dev, format, ## arg)
328 #define mthca_info(mdev, format, arg...) \
329 dev_info(&mdev->pdev->dev, format, ## arg)
330 #define mthca_warn(mdev, format, arg...) \
331 dev_warn(&mdev->pdev->dev, format, ## arg)
333 extern void __buggy_use_of_MTHCA_GET(void);
334 extern void __buggy_use_of_MTHCA_PUT(void);
336 #define MTHCA_GET(dest, source, offset) \
338 void *__p = (char *) (source) + (offset); \
339 switch (sizeof (dest)) { \
340 case 1: (dest) = *(u8 *) __p; break; \
341 case 2: (dest) = be16_to_cpup(__p); break; \
342 case 4: (dest) = be32_to_cpup(__p); break; \
343 case 8: (dest) = be64_to_cpup(__p); break; \
344 default: __buggy_use_of_MTHCA_GET(); \
348 #define MTHCA_PUT(dest, source, offset) \
350 void *__d = ((char *) (dest) + (offset)); \
351 switch (sizeof(source)) { \
352 case 1: *(u8 *) __d = (source); break; \
353 case 2: *(__be16 *) __d = cpu_to_be16(source); break; \
354 case 4: *(__be32 *) __d = cpu_to_be32(source); break; \
355 case 8: *(__be64 *) __d = cpu_to_be64(source); break; \
356 default: __buggy_use_of_MTHCA_PUT(); \
360 int mthca_reset(struct mthca_dev
*mdev
);
362 u32
mthca_alloc(struct mthca_alloc
*alloc
);
363 void mthca_free(struct mthca_alloc
*alloc
, u32 obj
);
364 int mthca_alloc_init(struct mthca_alloc
*alloc
, u32 num
, u32 mask
,
366 void mthca_alloc_cleanup(struct mthca_alloc
*alloc
);
367 void *mthca_array_get(struct mthca_array
*array
, int index
);
368 int mthca_array_set(struct mthca_array
*array
, int index
, void *value
);
369 void mthca_array_clear(struct mthca_array
*array
, int index
);
370 int mthca_array_init(struct mthca_array
*array
, int nent
);
371 void mthca_array_cleanup(struct mthca_array
*array
, int nent
);
372 int mthca_buf_alloc(struct mthca_dev
*dev
, int size
, int max_direct
,
373 union mthca_buf
*buf
, int *is_direct
, struct mthca_pd
*pd
,
374 int hca_write
, struct mthca_mr
*mr
);
375 void mthca_buf_free(struct mthca_dev
*dev
, int size
, union mthca_buf
*buf
,
376 int is_direct
, struct mthca_mr
*mr
);
378 int mthca_init_uar_table(struct mthca_dev
*dev
);
379 int mthca_init_pd_table(struct mthca_dev
*dev
);
380 int mthca_init_mr_table(struct mthca_dev
*dev
);
381 int mthca_init_eq_table(struct mthca_dev
*dev
);
382 int mthca_init_cq_table(struct mthca_dev
*dev
);
383 int mthca_init_srq_table(struct mthca_dev
*dev
);
384 int mthca_init_qp_table(struct mthca_dev
*dev
);
385 int mthca_init_av_table(struct mthca_dev
*dev
);
386 int mthca_init_mcg_table(struct mthca_dev
*dev
);
388 void mthca_cleanup_uar_table(struct mthca_dev
*dev
);
389 void mthca_cleanup_pd_table(struct mthca_dev
*dev
);
390 void mthca_cleanup_mr_table(struct mthca_dev
*dev
);
391 void mthca_cleanup_eq_table(struct mthca_dev
*dev
);
392 void mthca_cleanup_cq_table(struct mthca_dev
*dev
);
393 void mthca_cleanup_srq_table(struct mthca_dev
*dev
);
394 void mthca_cleanup_qp_table(struct mthca_dev
*dev
);
395 void mthca_cleanup_av_table(struct mthca_dev
*dev
);
396 void mthca_cleanup_mcg_table(struct mthca_dev
*dev
);
398 int mthca_register_device(struct mthca_dev
*dev
);
399 void mthca_unregister_device(struct mthca_dev
*dev
);
401 int mthca_uar_alloc(struct mthca_dev
*dev
, struct mthca_uar
*uar
);
402 void mthca_uar_free(struct mthca_dev
*dev
, struct mthca_uar
*uar
);
404 int mthca_pd_alloc(struct mthca_dev
*dev
, int privileged
, struct mthca_pd
*pd
);
405 void mthca_pd_free(struct mthca_dev
*dev
, struct mthca_pd
*pd
);
407 struct mthca_mtt
*mthca_alloc_mtt(struct mthca_dev
*dev
, int size
);
408 void mthca_free_mtt(struct mthca_dev
*dev
, struct mthca_mtt
*mtt
);
409 int mthca_write_mtt(struct mthca_dev
*dev
, struct mthca_mtt
*mtt
,
410 int start_index
, u64
*buffer_list
, int list_len
);
411 int mthca_mr_alloc(struct mthca_dev
*dev
, u32 pd
, int buffer_size_shift
,
412 u64 iova
, u64 total_size
, u32 access
, struct mthca_mr
*mr
);
413 int mthca_mr_alloc_notrans(struct mthca_dev
*dev
, u32 pd
,
414 u32 access
, struct mthca_mr
*mr
);
415 int mthca_mr_alloc_phys(struct mthca_dev
*dev
, u32 pd
,
416 u64
*buffer_list
, int buffer_size_shift
,
417 int list_len
, u64 iova
, u64 total_size
,
418 u32 access
, struct mthca_mr
*mr
);
419 void mthca_free_mr(struct mthca_dev
*dev
, struct mthca_mr
*mr
);
421 int mthca_fmr_alloc(struct mthca_dev
*dev
, u32 pd
,
422 u32 access
, struct mthca_fmr
*fmr
);
423 int mthca_tavor_map_phys_fmr(struct ib_fmr
*ibfmr
, u64
*page_list
,
424 int list_len
, u64 iova
);
425 void mthca_tavor_fmr_unmap(struct mthca_dev
*dev
, struct mthca_fmr
*fmr
);
426 int mthca_arbel_map_phys_fmr(struct ib_fmr
*ibfmr
, u64
*page_list
,
427 int list_len
, u64 iova
);
428 void mthca_arbel_fmr_unmap(struct mthca_dev
*dev
, struct mthca_fmr
*fmr
);
429 int mthca_free_fmr(struct mthca_dev
*dev
, struct mthca_fmr
*fmr
);
431 int mthca_map_eq_icm(struct mthca_dev
*dev
, u64 icm_virt
);
432 void mthca_unmap_eq_icm(struct mthca_dev
*dev
);
434 int mthca_poll_cq(struct ib_cq
*ibcq
, int num_entries
,
435 struct ib_wc
*entry
);
436 int mthca_tavor_arm_cq(struct ib_cq
*cq
, enum ib_cq_notify notify
);
437 int mthca_arbel_arm_cq(struct ib_cq
*cq
, enum ib_cq_notify notify
);
438 int mthca_init_cq(struct mthca_dev
*dev
, int nent
,
439 struct mthca_ucontext
*ctx
, u32 pdn
,
440 struct mthca_cq
*cq
);
441 void mthca_free_cq(struct mthca_dev
*dev
,
442 struct mthca_cq
*cq
);
443 void mthca_cq_event(struct mthca_dev
*dev
, u32 cqn
);
444 void mthca_cq_clean(struct mthca_dev
*dev
, u32 cqn
, u32 qpn
,
445 struct mthca_srq
*srq
);
447 int mthca_alloc_srq(struct mthca_dev
*dev
, struct mthca_pd
*pd
,
448 struct ib_srq_attr
*attr
, struct mthca_srq
*srq
);
449 void mthca_free_srq(struct mthca_dev
*dev
, struct mthca_srq
*srq
);
450 void mthca_srq_event(struct mthca_dev
*dev
, u32 srqn
,
451 enum ib_event_type event_type
);
452 void mthca_free_srq_wqe(struct mthca_srq
*srq
, u32 wqe_addr
);
453 int mthca_tavor_post_srq_recv(struct ib_srq
*srq
, struct ib_recv_wr
*wr
,
454 struct ib_recv_wr
**bad_wr
);
455 int mthca_arbel_post_srq_recv(struct ib_srq
*srq
, struct ib_recv_wr
*wr
,
456 struct ib_recv_wr
**bad_wr
);
458 void mthca_qp_event(struct mthca_dev
*dev
, u32 qpn
,
459 enum ib_event_type event_type
);
460 int mthca_modify_qp(struct ib_qp
*ibqp
, struct ib_qp_attr
*attr
, int attr_mask
);
461 int mthca_tavor_post_send(struct ib_qp
*ibqp
, struct ib_send_wr
*wr
,
462 struct ib_send_wr
**bad_wr
);
463 int mthca_tavor_post_receive(struct ib_qp
*ibqp
, struct ib_recv_wr
*wr
,
464 struct ib_recv_wr
**bad_wr
);
465 int mthca_arbel_post_send(struct ib_qp
*ibqp
, struct ib_send_wr
*wr
,
466 struct ib_send_wr
**bad_wr
);
467 int mthca_arbel_post_receive(struct ib_qp
*ibqp
, struct ib_recv_wr
*wr
,
468 struct ib_recv_wr
**bad_wr
);
469 int mthca_free_err_wqe(struct mthca_dev
*dev
, struct mthca_qp
*qp
, int is_send
,
470 int index
, int *dbd
, __be32
*new_wqe
);
471 int mthca_alloc_qp(struct mthca_dev
*dev
,
473 struct mthca_cq
*send_cq
,
474 struct mthca_cq
*recv_cq
,
475 enum ib_qp_type type
,
476 enum ib_sig_type send_policy
,
477 struct ib_qp_cap
*cap
,
478 struct mthca_qp
*qp
);
479 int mthca_alloc_sqp(struct mthca_dev
*dev
,
481 struct mthca_cq
*send_cq
,
482 struct mthca_cq
*recv_cq
,
483 enum ib_sig_type send_policy
,
484 struct ib_qp_cap
*cap
,
487 struct mthca_sqp
*sqp
);
488 void mthca_free_qp(struct mthca_dev
*dev
, struct mthca_qp
*qp
);
489 int mthca_create_ah(struct mthca_dev
*dev
,
491 struct ib_ah_attr
*ah_attr
,
492 struct mthca_ah
*ah
);
493 int mthca_destroy_ah(struct mthca_dev
*dev
, struct mthca_ah
*ah
);
494 int mthca_read_ah(struct mthca_dev
*dev
, struct mthca_ah
*ah
,
495 struct ib_ud_header
*header
);
497 int mthca_multicast_attach(struct ib_qp
*ibqp
, union ib_gid
*gid
, u16 lid
);
498 int mthca_multicast_detach(struct ib_qp
*ibqp
, union ib_gid
*gid
, u16 lid
);
500 int mthca_process_mad(struct ib_device
*ibdev
,
504 struct ib_grh
*in_grh
,
505 struct ib_mad
*in_mad
,
506 struct ib_mad
*out_mad
);
507 int mthca_create_agents(struct mthca_dev
*dev
);
508 void mthca_free_agents(struct mthca_dev
*dev
);
510 static inline struct mthca_dev
*to_mdev(struct ib_device
*ibdev
)
512 return container_of(ibdev
, struct mthca_dev
, ib_dev
);
515 static inline int mthca_is_memfree(struct mthca_dev
*dev
)
517 return dev
->mthca_flags
& MTHCA_FLAG_MEMFREE
;
520 #endif /* MTHCA_DEV_H */