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,
93 struct semaphore hcr_sem
;
94 struct semaphore poll_sem
;
95 struct semaphore event_sem
;
97 spinlock_t context_lock
;
99 struct mthca_cmd_context
*context
;
103 struct mthca_limits
{
109 int local_ca_ack_delay
;
141 unsigned long *table
;
151 struct mthca_uar_table
{
152 struct mthca_alloc alloc
;
157 struct mthca_pd_table
{
158 struct mthca_alloc alloc
;
161 struct mthca_mr_table
{
162 struct mthca_alloc mpt_alloc
;
164 unsigned long **mtt_buddy
;
166 struct mthca_icm_table
*mtt_table
;
167 struct mthca_icm_table
*mpt_table
;
170 struct mthca_eq_table
{
171 struct mthca_alloc alloc
;
172 void __iomem
*clr_int
;
175 struct mthca_eq eq
[MTHCA_NUM_EQ
];
177 struct page
*icm_page
;
183 struct mthca_cq_table
{
184 struct mthca_alloc alloc
;
186 struct mthca_array cq
;
187 struct mthca_icm_table
*table
;
190 struct mthca_qp_table
{
191 struct mthca_alloc alloc
;
196 struct mthca_array qp
;
197 struct mthca_icm_table
*qp_table
;
198 struct mthca_icm_table
*eqp_table
;
201 struct mthca_av_table
{
202 struct pci_pool
*pool
;
205 void __iomem
*av_map
;
206 struct mthca_alloc alloc
;
209 struct mthca_mcg_table
{
210 struct semaphore sem
;
211 struct mthca_alloc alloc
;
212 struct mthca_icm_table
*table
;
216 struct ib_device ib_dev
;
217 struct pci_dev
*pdev
;
220 unsigned long mthca_flags
;
221 unsigned long device_cap_flags
;
236 struct mthca_icm
*fw_icm
;
237 struct mthca_icm
*aux_icm
;
245 MTHCA_DECLARE_DOORBELL_LOCK(doorbell_lock
)
246 struct semaphore cap_mask_mutex
;
250 void __iomem
*clr_base
;
253 void __iomem
*ecr_base
;
256 void __iomem
*eq_arm
;
257 void __iomem
*eq_set_ci_base
;
261 struct mthca_cmd cmd
;
262 struct mthca_limits limits
;
264 struct mthca_uar_table uar_table
;
265 struct mthca_pd_table pd_table
;
266 struct mthca_mr_table mr_table
;
267 struct mthca_eq_table eq_table
;
268 struct mthca_cq_table cq_table
;
269 struct mthca_qp_table qp_table
;
270 struct mthca_av_table av_table
;
271 struct mthca_mcg_table mcg_table
;
273 struct mthca_uar driver_uar
;
274 struct mthca_db_table
*db_tab
;
275 struct mthca_pd driver_pd
;
276 struct mthca_mr driver_mr
;
278 struct ib_mad_agent
*send_agent
[MTHCA_MAX_PORTS
][2];
279 struct ib_ah
*sm_ah
[MTHCA_MAX_PORTS
];
283 #define mthca_dbg(mdev, format, arg...) \
284 dev_dbg(&mdev->pdev->dev, format, ## arg)
285 #define mthca_err(mdev, format, arg...) \
286 dev_err(&mdev->pdev->dev, format, ## arg)
287 #define mthca_info(mdev, format, arg...) \
288 dev_info(&mdev->pdev->dev, format, ## arg)
289 #define mthca_warn(mdev, format, arg...) \
290 dev_warn(&mdev->pdev->dev, format, ## arg)
292 extern void __buggy_use_of_MTHCA_GET(void);
293 extern void __buggy_use_of_MTHCA_PUT(void);
295 #define MTHCA_GET(dest, source, offset) \
297 void *__p = (char *) (source) + (offset); \
298 switch (sizeof (dest)) { \
299 case 1: (dest) = *(u8 *) __p; break; \
300 case 2: (dest) = be16_to_cpup(__p); break; \
301 case 4: (dest) = be32_to_cpup(__p); break; \
302 case 8: (dest) = be64_to_cpup(__p); break; \
303 default: __buggy_use_of_MTHCA_GET(); \
307 #define MTHCA_PUT(dest, source, offset) \
309 __typeof__(source) *__p = \
310 (__typeof__(source) *) ((char *) (dest) + (offset)); \
311 switch (sizeof(source)) { \
312 case 1: *__p = (source); break; \
313 case 2: *__p = cpu_to_be16(source); break; \
314 case 4: *__p = cpu_to_be32(source); break; \
315 case 8: *__p = cpu_to_be64(source); break; \
316 default: __buggy_use_of_MTHCA_PUT(); \
320 int mthca_reset(struct mthca_dev
*mdev
);
322 u32
mthca_alloc(struct mthca_alloc
*alloc
);
323 void mthca_free(struct mthca_alloc
*alloc
, u32 obj
);
324 int mthca_alloc_init(struct mthca_alloc
*alloc
, u32 num
, u32 mask
,
326 void mthca_alloc_cleanup(struct mthca_alloc
*alloc
);
327 void *mthca_array_get(struct mthca_array
*array
, int index
);
328 int mthca_array_set(struct mthca_array
*array
, int index
, void *value
);
329 void mthca_array_clear(struct mthca_array
*array
, int index
);
330 int mthca_array_init(struct mthca_array
*array
, int nent
);
331 void mthca_array_cleanup(struct mthca_array
*array
, int nent
);
333 int mthca_init_uar_table(struct mthca_dev
*dev
);
334 int mthca_init_pd_table(struct mthca_dev
*dev
);
335 int mthca_init_mr_table(struct mthca_dev
*dev
);
336 int mthca_init_eq_table(struct mthca_dev
*dev
);
337 int mthca_init_cq_table(struct mthca_dev
*dev
);
338 int mthca_init_qp_table(struct mthca_dev
*dev
);
339 int mthca_init_av_table(struct mthca_dev
*dev
);
340 int mthca_init_mcg_table(struct mthca_dev
*dev
);
342 void mthca_cleanup_uar_table(struct mthca_dev
*dev
);
343 void mthca_cleanup_pd_table(struct mthca_dev
*dev
);
344 void mthca_cleanup_mr_table(struct mthca_dev
*dev
);
345 void mthca_cleanup_eq_table(struct mthca_dev
*dev
);
346 void mthca_cleanup_cq_table(struct mthca_dev
*dev
);
347 void mthca_cleanup_qp_table(struct mthca_dev
*dev
);
348 void mthca_cleanup_av_table(struct mthca_dev
*dev
);
349 void mthca_cleanup_mcg_table(struct mthca_dev
*dev
);
351 int mthca_register_device(struct mthca_dev
*dev
);
352 void mthca_unregister_device(struct mthca_dev
*dev
);
354 int mthca_uar_alloc(struct mthca_dev
*dev
, struct mthca_uar
*uar
);
355 void mthca_uar_free(struct mthca_dev
*dev
, struct mthca_uar
*uar
);
357 int mthca_pd_alloc(struct mthca_dev
*dev
, struct mthca_pd
*pd
);
358 void mthca_pd_free(struct mthca_dev
*dev
, struct mthca_pd
*pd
);
360 int mthca_mr_alloc_notrans(struct mthca_dev
*dev
, u32 pd
,
361 u32 access
, struct mthca_mr
*mr
);
362 int mthca_mr_alloc_phys(struct mthca_dev
*dev
, u32 pd
,
363 u64
*buffer_list
, int buffer_size_shift
,
364 int list_len
, u64 iova
, u64 total_size
,
365 u32 access
, struct mthca_mr
*mr
);
366 void mthca_free_mr(struct mthca_dev
*dev
, struct mthca_mr
*mr
);
368 int mthca_map_eq_icm(struct mthca_dev
*dev
, u64 icm_virt
);
369 void mthca_unmap_eq_icm(struct mthca_dev
*dev
);
371 int mthca_poll_cq(struct ib_cq
*ibcq
, int num_entries
,
372 struct ib_wc
*entry
);
373 int mthca_tavor_arm_cq(struct ib_cq
*cq
, enum ib_cq_notify notify
);
374 int mthca_arbel_arm_cq(struct ib_cq
*cq
, enum ib_cq_notify notify
);
375 int mthca_init_cq(struct mthca_dev
*dev
, int nent
,
376 struct mthca_cq
*cq
);
377 void mthca_free_cq(struct mthca_dev
*dev
,
378 struct mthca_cq
*cq
);
379 void mthca_cq_event(struct mthca_dev
*dev
, u32 cqn
);
380 void mthca_cq_clean(struct mthca_dev
*dev
, u32 cqn
, u32 qpn
);
382 void mthca_qp_event(struct mthca_dev
*dev
, u32 qpn
,
383 enum ib_event_type event_type
);
384 int mthca_modify_qp(struct ib_qp
*ibqp
, struct ib_qp_attr
*attr
, int attr_mask
);
385 int mthca_tavor_post_send(struct ib_qp
*ibqp
, struct ib_send_wr
*wr
,
386 struct ib_send_wr
**bad_wr
);
387 int mthca_tavor_post_receive(struct ib_qp
*ibqp
, struct ib_recv_wr
*wr
,
388 struct ib_recv_wr
**bad_wr
);
389 int mthca_arbel_post_send(struct ib_qp
*ibqp
, struct ib_send_wr
*wr
,
390 struct ib_send_wr
**bad_wr
);
391 int mthca_arbel_post_receive(struct ib_qp
*ibqp
, struct ib_recv_wr
*wr
,
392 struct ib_recv_wr
**bad_wr
);
393 int mthca_free_err_wqe(struct mthca_dev
*dev
, struct mthca_qp
*qp
, int is_send
,
394 int index
, int *dbd
, u32
*new_wqe
);
395 int mthca_alloc_qp(struct mthca_dev
*dev
,
397 struct mthca_cq
*send_cq
,
398 struct mthca_cq
*recv_cq
,
399 enum ib_qp_type type
,
400 enum ib_sig_type send_policy
,
401 struct mthca_qp
*qp
);
402 int mthca_alloc_sqp(struct mthca_dev
*dev
,
404 struct mthca_cq
*send_cq
,
405 struct mthca_cq
*recv_cq
,
406 enum ib_sig_type send_policy
,
409 struct mthca_sqp
*sqp
);
410 void mthca_free_qp(struct mthca_dev
*dev
, struct mthca_qp
*qp
);
411 int mthca_create_ah(struct mthca_dev
*dev
,
413 struct ib_ah_attr
*ah_attr
,
414 struct mthca_ah
*ah
);
415 int mthca_destroy_ah(struct mthca_dev
*dev
, struct mthca_ah
*ah
);
416 int mthca_read_ah(struct mthca_dev
*dev
, struct mthca_ah
*ah
,
417 struct ib_ud_header
*header
);
419 int mthca_multicast_attach(struct ib_qp
*ibqp
, union ib_gid
*gid
, u16 lid
);
420 int mthca_multicast_detach(struct ib_qp
*ibqp
, union ib_gid
*gid
, u16 lid
);
422 int mthca_process_mad(struct ib_device
*ibdev
,
426 struct ib_grh
*in_grh
,
427 struct ib_mad
*in_mad
,
428 struct ib_mad
*out_mad
);
429 int mthca_create_agents(struct mthca_dev
*dev
);
430 void mthca_free_agents(struct mthca_dev
*dev
);
432 static inline struct mthca_dev
*to_mdev(struct ib_device
*ibdev
)
434 return container_of(ibdev
, struct mthca_dev
, ib_dev
);
437 #endif /* MTHCA_DEV_H */