2 * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and/or other materials
21 * provided with the distribution.
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
32 * $Id: mthca_dev.h 1349 2004-12-16 21:09:43Z roland $
38 #include <linux/spinlock.h>
39 #include <linux/kernel.h>
40 #include <linux/pci.h>
41 #include <linux/dma-mapping.h>
42 #include <asm/semaphore.h>
44 #include "mthca_provider.h"
45 #include "mthca_doorbell.h"
47 #define DRV_NAME "ib_mthca"
48 #define PFX DRV_NAME ": "
49 #define DRV_VERSION "0.06-pre"
50 #define DRV_RELDATE "November 8, 2004"
52 /* Types of supported HCA */
55 ARBEL_COMPAT
, /* MT25208 in Tavor compat mode */
56 ARBEL_NATIVE
/* MT25208 with extended features */
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
72 MTHCA_EQ_CONTEXT_SIZE
= 0x40,
73 MTHCA_CQ_CONTEXT_SIZE
= 0x40,
74 MTHCA_QP_CONTEXT_SIZE
= 0x200,
75 MTHCA_RDB_ENTRY_SIZE
= 0x20,
77 MTHCA_MGM_ENTRY_SIZE
= 0x40,
79 /* Arbel FW gives us these, but we need them for Tavor */
80 MTHCA_MPT_ENTRY_SIZE
= 0x40,
81 MTHCA_MTT_SEG_SIZE
= 0x40,
92 MTHCA_OPCODE_NOP
= 0x00,
93 MTHCA_OPCODE_RDMA_WRITE
= 0x08,
94 MTHCA_OPCODE_RDMA_WRITE_IMM
= 0x09,
95 MTHCA_OPCODE_SEND
= 0x0a,
96 MTHCA_OPCODE_SEND_IMM
= 0x0b,
97 MTHCA_OPCODE_RDMA_READ
= 0x10,
98 MTHCA_OPCODE_ATOMIC_CS
= 0x11,
99 MTHCA_OPCODE_ATOMIC_FA
= 0x12,
100 MTHCA_OPCODE_BIND_MW
= 0x18,
101 MTHCA_OPCODE_INVALID
= 0xff
106 struct semaphore hcr_sem
;
107 struct semaphore poll_sem
;
108 struct semaphore event_sem
;
110 spinlock_t context_lock
;
112 struct mthca_cmd_context
*context
;
116 struct mthca_limits
{
122 int local_ca_ack_delay
;
153 unsigned long *table
;
163 struct mthca_uar_table
{
164 struct mthca_alloc alloc
;
169 struct mthca_pd_table
{
170 struct mthca_alloc alloc
;
174 unsigned long **bits
;
179 struct mthca_mr_table
{
180 struct mthca_alloc mpt_alloc
;
181 struct mthca_buddy mtt_buddy
;
183 struct mthca_icm_table
*mtt_table
;
184 struct mthca_icm_table
*mpt_table
;
187 struct mthca_eq_table
{
188 struct mthca_alloc alloc
;
189 void __iomem
*clr_int
;
192 struct mthca_eq eq
[MTHCA_NUM_EQ
];
194 struct page
*icm_page
;
200 struct mthca_cq_table
{
201 struct mthca_alloc alloc
;
203 struct mthca_array cq
;
204 struct mthca_icm_table
*table
;
207 struct mthca_qp_table
{
208 struct mthca_alloc alloc
;
213 struct mthca_array qp
;
214 struct mthca_icm_table
*qp_table
;
215 struct mthca_icm_table
*eqp_table
;
218 struct mthca_av_table
{
219 struct pci_pool
*pool
;
222 void __iomem
*av_map
;
223 struct mthca_alloc alloc
;
226 struct mthca_mcg_table
{
227 struct semaphore sem
;
228 struct mthca_alloc alloc
;
229 struct mthca_icm_table
*table
;
233 struct ib_device ib_dev
;
234 struct pci_dev
*pdev
;
237 unsigned long mthca_flags
;
238 unsigned long device_cap_flags
;
253 struct mthca_icm
*fw_icm
;
254 struct mthca_icm
*aux_icm
;
262 MTHCA_DECLARE_DOORBELL_LOCK(doorbell_lock
)
263 struct semaphore cap_mask_mutex
;
267 void __iomem
*clr_base
;
270 void __iomem
*ecr_base
;
273 void __iomem
*eq_arm
;
274 void __iomem
*eq_set_ci_base
;
278 struct mthca_cmd cmd
;
279 struct mthca_limits limits
;
281 struct mthca_uar_table uar_table
;
282 struct mthca_pd_table pd_table
;
283 struct mthca_mr_table mr_table
;
284 struct mthca_eq_table eq_table
;
285 struct mthca_cq_table cq_table
;
286 struct mthca_qp_table qp_table
;
287 struct mthca_av_table av_table
;
288 struct mthca_mcg_table mcg_table
;
290 struct mthca_uar driver_uar
;
291 struct mthca_db_table
*db_tab
;
292 struct mthca_pd driver_pd
;
293 struct mthca_mr driver_mr
;
295 struct ib_mad_agent
*send_agent
[MTHCA_MAX_PORTS
][2];
296 struct ib_ah
*sm_ah
[MTHCA_MAX_PORTS
];
300 #define mthca_dbg(mdev, format, arg...) \
301 dev_dbg(&mdev->pdev->dev, format, ## arg)
302 #define mthca_err(mdev, format, arg...) \
303 dev_err(&mdev->pdev->dev, format, ## arg)
304 #define mthca_info(mdev, format, arg...) \
305 dev_info(&mdev->pdev->dev, format, ## arg)
306 #define mthca_warn(mdev, format, arg...) \
307 dev_warn(&mdev->pdev->dev, format, ## arg)
309 extern void __buggy_use_of_MTHCA_GET(void);
310 extern void __buggy_use_of_MTHCA_PUT(void);
312 #define MTHCA_GET(dest, source, offset) \
314 void *__p = (char *) (source) + (offset); \
315 switch (sizeof (dest)) { \
316 case 1: (dest) = *(u8 *) __p; break; \
317 case 2: (dest) = be16_to_cpup(__p); break; \
318 case 4: (dest) = be32_to_cpup(__p); break; \
319 case 8: (dest) = be64_to_cpup(__p); break; \
320 default: __buggy_use_of_MTHCA_GET(); \
324 #define MTHCA_PUT(dest, source, offset) \
326 __typeof__(source) *__p = \
327 (__typeof__(source) *) ((char *) (dest) + (offset)); \
328 switch (sizeof(source)) { \
329 case 1: *__p = (source); break; \
330 case 2: *__p = cpu_to_be16(source); break; \
331 case 4: *__p = cpu_to_be32(source); break; \
332 case 8: *__p = cpu_to_be64(source); break; \
333 default: __buggy_use_of_MTHCA_PUT(); \
337 int mthca_reset(struct mthca_dev
*mdev
);
339 u32
mthca_alloc(struct mthca_alloc
*alloc
);
340 void mthca_free(struct mthca_alloc
*alloc
, u32 obj
);
341 int mthca_alloc_init(struct mthca_alloc
*alloc
, u32 num
, u32 mask
,
343 void mthca_alloc_cleanup(struct mthca_alloc
*alloc
);
344 void *mthca_array_get(struct mthca_array
*array
, int index
);
345 int mthca_array_set(struct mthca_array
*array
, int index
, void *value
);
346 void mthca_array_clear(struct mthca_array
*array
, int index
);
347 int mthca_array_init(struct mthca_array
*array
, int nent
);
348 void mthca_array_cleanup(struct mthca_array
*array
, int nent
);
350 int mthca_init_uar_table(struct mthca_dev
*dev
);
351 int mthca_init_pd_table(struct mthca_dev
*dev
);
352 int mthca_init_mr_table(struct mthca_dev
*dev
);
353 int mthca_init_eq_table(struct mthca_dev
*dev
);
354 int mthca_init_cq_table(struct mthca_dev
*dev
);
355 int mthca_init_qp_table(struct mthca_dev
*dev
);
356 int mthca_init_av_table(struct mthca_dev
*dev
);
357 int mthca_init_mcg_table(struct mthca_dev
*dev
);
359 void mthca_cleanup_uar_table(struct mthca_dev
*dev
);
360 void mthca_cleanup_pd_table(struct mthca_dev
*dev
);
361 void mthca_cleanup_mr_table(struct mthca_dev
*dev
);
362 void mthca_cleanup_eq_table(struct mthca_dev
*dev
);
363 void mthca_cleanup_cq_table(struct mthca_dev
*dev
);
364 void mthca_cleanup_qp_table(struct mthca_dev
*dev
);
365 void mthca_cleanup_av_table(struct mthca_dev
*dev
);
366 void mthca_cleanup_mcg_table(struct mthca_dev
*dev
);
368 int mthca_register_device(struct mthca_dev
*dev
);
369 void mthca_unregister_device(struct mthca_dev
*dev
);
371 int mthca_uar_alloc(struct mthca_dev
*dev
, struct mthca_uar
*uar
);
372 void mthca_uar_free(struct mthca_dev
*dev
, struct mthca_uar
*uar
);
374 int mthca_pd_alloc(struct mthca_dev
*dev
, struct mthca_pd
*pd
);
375 void mthca_pd_free(struct mthca_dev
*dev
, struct mthca_pd
*pd
);
377 int mthca_mr_alloc_notrans(struct mthca_dev
*dev
, u32 pd
,
378 u32 access
, struct mthca_mr
*mr
);
379 int mthca_mr_alloc_phys(struct mthca_dev
*dev
, u32 pd
,
380 u64
*buffer_list
, int buffer_size_shift
,
381 int list_len
, u64 iova
, u64 total_size
,
382 u32 access
, struct mthca_mr
*mr
);
383 void mthca_free_mr(struct mthca_dev
*dev
, struct mthca_mr
*mr
);
385 int mthca_map_eq_icm(struct mthca_dev
*dev
, u64 icm_virt
);
386 void mthca_unmap_eq_icm(struct mthca_dev
*dev
);
388 int mthca_poll_cq(struct ib_cq
*ibcq
, int num_entries
,
389 struct ib_wc
*entry
);
390 int mthca_tavor_arm_cq(struct ib_cq
*cq
, enum ib_cq_notify notify
);
391 int mthca_arbel_arm_cq(struct ib_cq
*cq
, enum ib_cq_notify notify
);
392 int mthca_init_cq(struct mthca_dev
*dev
, int nent
,
393 struct mthca_cq
*cq
);
394 void mthca_free_cq(struct mthca_dev
*dev
,
395 struct mthca_cq
*cq
);
396 void mthca_cq_event(struct mthca_dev
*dev
, u32 cqn
);
397 void mthca_cq_clean(struct mthca_dev
*dev
, u32 cqn
, u32 qpn
);
399 void mthca_qp_event(struct mthca_dev
*dev
, u32 qpn
,
400 enum ib_event_type event_type
);
401 int mthca_modify_qp(struct ib_qp
*ibqp
, struct ib_qp_attr
*attr
, int attr_mask
);
402 int mthca_tavor_post_send(struct ib_qp
*ibqp
, struct ib_send_wr
*wr
,
403 struct ib_send_wr
**bad_wr
);
404 int mthca_tavor_post_receive(struct ib_qp
*ibqp
, struct ib_recv_wr
*wr
,
405 struct ib_recv_wr
**bad_wr
);
406 int mthca_arbel_post_send(struct ib_qp
*ibqp
, struct ib_send_wr
*wr
,
407 struct ib_send_wr
**bad_wr
);
408 int mthca_arbel_post_receive(struct ib_qp
*ibqp
, struct ib_recv_wr
*wr
,
409 struct ib_recv_wr
**bad_wr
);
410 int mthca_free_err_wqe(struct mthca_dev
*dev
, struct mthca_qp
*qp
, int is_send
,
411 int index
, int *dbd
, u32
*new_wqe
);
412 int mthca_alloc_qp(struct mthca_dev
*dev
,
414 struct mthca_cq
*send_cq
,
415 struct mthca_cq
*recv_cq
,
416 enum ib_qp_type type
,
417 enum ib_sig_type send_policy
,
418 struct mthca_qp
*qp
);
419 int mthca_alloc_sqp(struct mthca_dev
*dev
,
421 struct mthca_cq
*send_cq
,
422 struct mthca_cq
*recv_cq
,
423 enum ib_sig_type send_policy
,
426 struct mthca_sqp
*sqp
);
427 void mthca_free_qp(struct mthca_dev
*dev
, struct mthca_qp
*qp
);
428 int mthca_create_ah(struct mthca_dev
*dev
,
430 struct ib_ah_attr
*ah_attr
,
431 struct mthca_ah
*ah
);
432 int mthca_destroy_ah(struct mthca_dev
*dev
, struct mthca_ah
*ah
);
433 int mthca_read_ah(struct mthca_dev
*dev
, struct mthca_ah
*ah
,
434 struct ib_ud_header
*header
);
436 int mthca_multicast_attach(struct ib_qp
*ibqp
, union ib_gid
*gid
, u16 lid
);
437 int mthca_multicast_detach(struct ib_qp
*ibqp
, union ib_gid
*gid
, u16 lid
);
439 int mthca_process_mad(struct ib_device
*ibdev
,
443 struct ib_grh
*in_grh
,
444 struct ib_mad
*in_mad
,
445 struct ib_mad
*out_mad
);
446 int mthca_create_agents(struct mthca_dev
*dev
);
447 void mthca_free_agents(struct mthca_dev
*dev
);
449 static inline struct mthca_dev
*to_mdev(struct ib_device
*ibdev
)
451 return container_of(ibdev
, struct mthca_dev
, ib_dev
);
454 #endif /* MTHCA_DEV_H */